MANUAL ADJUSTABLE TENSIONING DEVICE
    1.
    发明申请

    公开(公告)号:US20190040898A1

    公开(公告)日:2019-02-07

    申请号:US15797474

    申请日:2017-10-30

    CPC classification number: F16B31/04 F16B39/028

    Abstract: Disclosed is a manual adjustable tensioning device. Slope guide slots are formed in the periphery of a lead screw nut, and contacts are provided with slopes having the same angles and placed in the guide slots of the lead screw nut; two ends of a lead screw are respectively supported in threaded holes of a shell and an end cover; screws are connected to the lead screw nut via threaded holes, the tail end of each screw is in contact with one end of a lever, the other end of the lever is in contact with the slope of the lead screw nut, a roller is mounted at the tail end of the lever, and an extension spring is mounted at the end of the slope of the lead screw nut.

    Manual adjustable tensioning device

    公开(公告)号:US10533595B2

    公开(公告)日:2020-01-14

    申请号:US15797474

    申请日:2017-10-30

    Abstract: Disclosed is a manual adjustable tensioning device. Slope guide slots are formed in the periphery of a lead screw nut, and contacts are provided with slopes having the same angles and placed in the guide slots of the lead screw nut; two ends of a lead screw are respectively supported in threaded holes of a shell and an end cover; screws are connected to the lead screw nut via threaded holes, the tail end of each screw is in contact with one end of a lever, the other end of the lever is in contact with the slope of the lead screw nut, a roller is mounted at the tail end of the lever, and an extension spring is mounted at the end of the slope of the lead screw nut.

    Automatically-returning mold ejection device and casting mold comprising the same

    公开(公告)号:US10328486B2

    公开(公告)日:2019-06-25

    申请号:US15491002

    申请日:2017-04-19

    Abstract: An automatically-returning mold ejection device and a casting mold comprising the same. The mold ejection device includes a lower-portion part and an upper-portion part and is wherein the lower-portion part comprises returning rod ejection columns fixed to a mold rack base plate; the upper-portion part comprises returning rods corresponding to the returning rod ejection columns, the top ends of the returning rods are fixed to an ejection rod pushing plate and penetrate through an upper mold connecting plate through returning rod flanges, and a lower mold core of a mold is fixed to the mold rack base plate through a screw. An embodiment of the device has the advantages that the self-returning structure is simple, easy to install and convenient to replace and maintain, and has very good practicability.

    HIGH-PRECISION TENSIONING DEVICE
    5.
    发明申请

    公开(公告)号:US20170361412A1

    公开(公告)日:2017-12-21

    申请号:US15609504

    申请日:2017-05-31

    Abstract: A high-precision tensioning device is provided. The high-precision tensioning device is composed of a stepping motor, an encoder, a harmonic reducer, a rotary table, connecting rods, contacts, force sensors, a rotary table connecting piece, a gasket, a nut, bolts, a set screw, a shell and an end cover. The tensioning device provided by the disclosure can achieve closed-loop control on a tensioning force in order to improve the tensioning precision of the tensioning device; and as long as machining and assembling errors meet design requirements, stable synchronous tensioning of three contacts can be ensured, and the location precision of a hub is improved.

    High-precision tensioning device
    8.
    发明授权

    公开(公告)号:US10730159B2

    公开(公告)日:2020-08-04

    申请号:US15609504

    申请日:2017-05-31

    Abstract: A high-precision tensioning device is provided. The high-precision tensioning device is composed of a stepping motor, an encoder, a harmonic reducer, a rotary table, connecting rods, contacts, force sensors, a rotary table connecting piece, a gasket, a nut, bolts, a set screw, a shell and an end cover. The tensioning device provided by the disclosure can achieve closed-loop control on a tensioning force in order to improve the tensioning precision of the tensioning device; and as long as machining and assembling errors meet design requirements, stable synchronous tensioning of three contacts can be ensured, and the location precision of a hub is improved.

    Device and method for degating of aluminum wheel blank by laser cutting

    公开(公告)号:US10279433B2

    公开(公告)日:2019-05-07

    申请号:US15337663

    申请日:2016-10-28

    Abstract: The present invention provides a device and method for degating of an aluminum wheel blank by laser cutting, and the device comprises members including a lower lifting frame movable long beam, a middle lifting frame inner side oblique beam, a middle lifting frame pin shaft, a rubber supporting cushion, an upper lifting frame long fixed beam, a middle lifting frame outer side oblique beam, a first stroke limiting frame, a first stroke limiting wheel, a second stroke limiting frame, a second stroke limiting wheel, piston firm retaining rings, frame-shaped guide plates, directional sliding blocks, grating positioning devices, a wheel blank member, a roller way, a lower rack fixed frame, a lower gate taking device fixed frame, a laser cutting head, an eccentric turning wheel, high-temperature-resistant resin clamping gaskets, clamping blocks, rack vertical corner frames, clamping hydraulic cylinder pistons, horizontal clamping hydraulic cylinders, a movable plate and the like. When in use, the device of the present invention can realize the function of online removal of a wheel gate, can improve work efficiency, can also reduce labor force, and has the characteristics of high cutting precision, round and burr-free cutting position, stable performance, high degree of automation and the like.

    Automatically-returning Mold Ejection Device and Casting Mold Comprising the Same

    公开(公告)号:US20170297090A1

    公开(公告)日:2017-10-19

    申请号:US15491002

    申请日:2017-04-19

    CPC classification number: B22C9/22 B22D17/2236 B22D25/00 B29C45/40 B62D7/18

    Abstract: An automatically-returning mold ejection device and a casting mold comprising the same. The mold ejection device includes a lower-portion part and an upper-portion part and is wherein the lower-portion part comprises returning rod ejection columns fixed to a mold rack base plate; the upper-portion part comprises returning rods corresponding to the returning rod ejection columns, the top ends of the returning rods are fixed to an ejection rod pushing plate and penetrate through an upper mold connecting plate through returning rod flanges, and a lower mold core of a mold is fixed to the mold rack base plate through a screw. An embodiment of the device has the advantages that the self-returning structure is simple, easy to install and convenient to replace and maintain, and has very good practicability.

Patent Agency Ranking