Rapidly detached pin shaft unit
By setting a swing arm adjustment part and a locking component on the warp knitting machine, the swing arm pin can be quickly disassembled and assembled, solving the problems of difficult disassembly and easy damage of the pin in the prior art, and improving the ease of operation and equipment reliability.
Patent Information
- Application Number
- CN202520246276.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-17
AI Technical Summary
The swing arm pins on existing warp knitting machines are difficult to disassemble quickly, and frequent disassembly can easily damage them, resulting in a high failure rate.
A swing arm adjustment section is set at both ends of the swing arm connecting rod, equipped with a locking component. The swing arm pin is quickly disassembled and assembled through the bearing countersunk hole and the locking component, avoiding repeated disassembly and damage.
It improves the ease of adjusting the swing arm position, extends the service life of the pins and bearings, and reduces the failure rate.
Smart Images
Figure CN223907083U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to warp knitting machine technical field, especially quick dismounting pin shaft unit. BACKGROUND
[0002] Warp knitting machine is a kind of machine for textile fabric, it is mainly through one group or several groups parallelly arranged yarns, simultaneously forms loop on all working needles of machine in warp direction and forms knitted fabric.Currently, there are some up and down connecting swing arms on warp knitting machine, many holes are arranged on these swing arms to adjust the swing amplitude of the whole swing frame on guide bar according to the requirements of woven mesh.
[0003] In prior art, the adjustment of swing arm position generally needs to dismount the pin shaft inside swing arm joint of swing arm connecting rod unit up and down, then moves to another hole, and because swing arm connecting rod unit belongs to reciprocating structure, to avoid loosening after movement, the cooperation of pin shaft inside swing arm joint and needle bearing on pin shaft is relatively tight, so the following two bad situations will occur.
[0004] First, it is difficult to dismount pin shaft when dismounting pin shaft;
[0005] Second, when the user of warp knitting machine often changes variety, the dismounting frequency of pin shaft is relatively frequent, so the worker is easy to damage pin shaft or bearing when dismounting, and the failure rate is increased.
[0006] Therefore, the quick dismounting pin shaft unit is proposed to solve the above problems. CONTENT OF UTILITY MODEL
[0007] The utility model aims at providing quick dismounting pin shaft unit to solve the problems proposed in the above background technology.
[0008] To achieve the above object, the utility model provides the following technical scheme: quick dismounting pin shaft unit, comprising:
[0009] Swing arm connecting rod piece, both end portions of swing arm connecting rod piece are fixedly provided with swing arm connecting head, swing arm pin shaft is rotatably connected in the middle part of swing arm connecting head;
[0010] Upper swing arm and lower swing arm, swing arm adjusting part is arranged on the side close to swing arm connecting rod piece of upper swing arm and lower swing arm, a plurality of bearing counterbores matched with the outer wall of swing arm pin shaft are arranged at the side opposite to swing arm connecting head of swing arm adjusting part;
[0011] Locking assembly, locking assembly is arranged between swing arm pin shaft and bearing counterbores, and locking assembly is used for the locking of the position of swing arm pin shaft in bearing counterbores.
[0012] Preferably, a joint inner needle roller bearing is fixedly connected in the end hole of the swing arm joint, and the outer wall of the swing arm pin shaft is fixedly connected with the inner ring of the joint inner needle roller bearing.
[0013] Preferably, the locking assembly comprises:
[0014] A plurality of threaded holes are arranged on one side of the swing arm adjusting portion opposite to the swing arm pin shaft.
[0015] A swing arm locking bolt is movably inserted into the two end portions of the swing arm pin shaft, and the end portion of the swing arm locking bolt penetrates through the outer wall of the swing arm pin shaft and is threadedly connected with the inner wall of the threaded hole at the corresponding position.
[0016] Preferably, a linear groove is arranged in the middle of one side of the swing arm adjusting portion opposite to the swing arm joint, the width of the linear groove is greater than the width of the swing arm joint, and the threaded holes are arranged at the two side positions of the linear groove.
[0017] Preferably, a sinking hole is arranged at each of the two end portions of the swing arm pin shaft, and the end portion of the swing arm locking bolt away from the threaded hole is movably inserted into the sinking hole.
[0018] Preferably, a cradle assembly is fixedly installed at the end portion of the upper swing arm away from the swing arm joint, and a swing shaft is fixedly installed at the end portion of the lower swing arm away from the swing arm joint.
[0019] Compared with the prior art, the technical effects of the utility model are:
[0020] The utility model discloses a swing arm adjusting portion is arranged on the upper swing arm and the lower swing arm at the two end positions of the swing arm connecting rod, a plurality of bearing sinking holes are arranged on the swing arm adjusting portion, the end portion of the swing arm pin shaft rotatably connected on the swing arm joint can be adjusted to the bearing sinking hole at different positions and is installed, and the swing arm pin shaft can be disassembled at the bearing sinking hole at different positions by cooperating with the locking assembly, so that the tedious and easy-to-damage situation of repeatedly disassembling the swing arm pin shaft is avoided, and the convenience of adjusting the upper swing arm and the lower swing arm is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 It is a front structure schematic view of the utility model.
[0022] Fig. 2 It is a lower swing arm down surface structure schematic view of the utility model.
[0023] In the figure: 100, swing arm connecting link; 101, swing arm connecting head; 102, inner needle bearing of joint; 103, swing arm pin; 104, swing arm locking bolt; 105, settlement hole; 106, swing arm adjusting part; 107, bearing sink hole; 108, threaded hole; 200, cradle assembly; 201, upper swing arm; 300, lower swing arm; 301, swing shaft. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] The present application provides a kind of Figs. 1-2The quick dismounting pin shaft unit shown includes a swing arm connecting rod 100, an upper swing arm 201, a lower swing arm 300 and a locking assembly, the end of the upper swing arm 201 away from the swing arm connecting head 101 is fixedly installed with a rocker assembly 200, the end of the lower swing arm 300 away from the swing arm connecting head 101 is fixedly installed with a swing shaft 301, both ends of the swing arm connecting rod 100 are fixedly provided with swing arm connecting heads 101, the swing arm connecting head 101 end through hole is fixedly connected with a joint inner needle bearing 102, the swing arm pin shaft 103 outer wall is fixedly connected with the joint inner needle bearing 102 inner ring, the joint inner needle bearing 102 cooperates with the swing arm pin shaft 103 to make the swing arm connecting head 101 and the swing arm pin shaft 103 form stable rotary connection, the upper swing arm 201 and the lower swing arm 300 are provided with a swing arm adjusting part 106 on the side close to the swing arm connecting rod 100, a plurality of bearing counterbores 107 matched with the swing arm pin shaft 103 outer wall are arranged on the side of the swing arm adjusting part 106 opposite to the swing arm connecting head 101, the locking assembly is arranged between the swing arm pin shaft 103 and the bearing counterbores 107, and the locking assembly is used for locking the position of the swing arm pin shaft 103 in the bearing counterbores 107; in the embodiment, the swing arm adjusting part 106 with the bearing counterbores 107 is arranged on the upper swing arm 201 and the lower swing arm 300, so that the swing arm pin shaft 103 on the swing arm connecting head 101 can be assembled and positioned with the upper swing arm 201 or the lower swing arm 300 through the bearing counterbores 107, so that the positions of the upper swing arm 201 and the lower swing arm 300 can be adjusted as a whole without dismounting the swing arm pin shaft 103, the position adjustment can be completed by only moving the upper swing arm 201 or the lower swing arm 300 to drive the swing arm pin shaft 103 on it to move to the bearing counterbores 107 in the corresponding positions on the swing arm adjusting part 106, finally the swing arm pin shaft 103 is fixed with the swing arm adjusting part 106 through the locking assembly, the position adjustment of the swing arm connecting head 101 can be met, the whole adjustment operation is more convenient and efficient, meanwhile, the repeated dismounting and mounting between the swing arm pin shaft 103 and the joint inner needle bearing 102 is avoided, the problem that the joint inner needle bearing 102 and the swing arm pin shaft 103 are easily damaged by repeated dismounting and mounting is effectively eliminated, the service life of the joint inner needle bearing 102 and the swing arm pin shaft 103 is prolonged, and the assembly between the upper swing arm 201 and the lower swing arm 300 and the swing arm connecting head 101 meets the use demand.
[0026] The locking assembly comprises a plurality of threaded holes 108 and swing arm locking bolts 104, the plurality of threaded holes 108 are arranged on the side of the swing arm adjusting part 106 opposite to the swing arm pin shaft 103, the swing arm locking bolts 104 are movably inserted into the two end positions of the swing arm pin shaft 103, the two end positions of the swing arm pin shaft 103 are provided with sunken holes 105, the end of the swing arm locking bolt 104 away from the threaded hole 108 is movably inserted into the sunken hole 105, the end of the swing arm locking bolt 104 penetrates through the outer wall of the swing arm pin shaft 103 and is threadedly connected with the inner wall of the threaded hole 108 at the corresponding position, the sunken hole 105 is arranged at the two ends of the swing arm pin shaft 103, the swing arm locking bolt 104 is arranged in the sunken hole 105, the swing arm locking bolt 104 can be hidden in the end of the swing arm pin shaft 103, the threaded hole 108 is arranged on the inner wall of the bearing sunken hole 107, the swing arm locking bolt 104 movably inserted into the swing arm pin shaft 103 can be threadedly connected with the threaded hole 108, so that the swing arm pin shaft 103 and the bearing sunken hole 107 are locked, the swing arm pin shaft 103 is rotatably connected with the swing arm connecting head 101 through the joint inner needle bearing 102, so that the position of the swing arm connecting head 101 on the swing arm adjusting part 106 can be adjusted and rotated, when disassembled, the swing arm locking bolt 104 is loosened and pulled out from the threaded hole 108, so that the swing arm connecting head 101 and the swing arm adjusting part 106 are fixed, the position of the swing arm connecting head 101 can be adjusted, the adjustment operation is more convenient and efficient, and the actual use requirement is met.
[0027] Further, a straight recess is arranged in the middle of the side of the swing arm adjusting part 106 opposite to the swing arm connecting head 101, the width of the straight recess is greater than the width of the swing arm connecting head 101, the threaded hole 108 is arranged at the two side positions of the straight recess, the swing arm connecting head 101 can be accommodated by the straight recess, when the bearing sunken hole 107 of the swing arm pin shaft 103 on the swing arm adjusting part 106 is adjusted, the rotation and positioning of the swing arm connecting head 101 are not affected, so that the swing arm connecting head 101 can be rotated on the swing arm adjusting part 106 after the swing arm pin shaft 103 is fixed with the swing arm adjusting part 106, and the normal use requirement of the upper swing arm 201 and the lower swing arm 300 is met.
[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A quick-release pin unit, characterized in that, include: A swing arm connecting rod (100) is provided with a swing arm connector (101) fixedly installed at both ends of the swing arm connecting rod (100), and a swing arm pin (103) is rotatably connected to the middle of the swing arm connector (101). The upper swing arm (201) and the lower swing arm (300) are provided with a swing arm adjustment part (106) on the side of the upper swing arm (201) and the lower swing arm (300) near the swing arm connecting rod (100). The swing arm adjustment part (106) is provided with a plurality of bearing countersunk holes (107) that match the outer wall of the swing arm pin (103) on the side of the swing arm connecting head (101). A locking assembly is disposed between the rocker arm pin (103) and the bearing countersunk hole (107), and the locking assembly is used to lock the position of the rocker arm pin (103) within the bearing countersunk hole (107).
2. The quick-release pin unit according to claim 1, characterized in that, The end through hole of the swing arm connector (101) is fixedly connected to the inner ring of the inner ring of the inner ring of the inner ring of the inner ring of the inner ring of the inner ring of the inner ring of the inner ring of the inner ring of the connector.
3. The quick-release pin unit according to claim 2, characterized in that, The locking component includes: Multiple threaded holes (108) are spaced apart on the side of the rocker arm adjustment part (106) opposite to the rocker arm pin (103); The swing arm locking bolt (104) is movably inserted into both ends of the swing arm pin (103). The end of the swing arm locking bolt (104) passes through the outer wall of the swing arm pin (103) and is threadedly connected to the inner wall of the threaded hole (108) at the corresponding position.
4. The quick-release pin unit according to claim 3, characterized in that, The swing arm adjustment part (106) has a straight groove in the middle of one side facing the swing arm connector (101). The width of the straight groove is greater than the width of the swing arm connector (101). The threaded hole (108) is located on both sides of the straight groove.
5. The quick-release pin unit according to claim 4, characterized in that, Settling holes (105) are provided at both ends of the swing arm pin (103), and the end of the swing arm locking bolt (104) away from the threaded hole (108) is movably inserted into the settling hole (105).
6. The quick-release pin unit according to claim 5, characterized in that, The upper swing arm (201) is fixedly mounted with a rocker assembly (200) at the end away from the swing arm connector (101), and the lower swing arm (300) is fixedly mounted with a swing shaft (301) at the end away from the swing arm connector (101).