CN219190055U

CN219190055U - Knurled pin shaft assembling tool

Info

Publication number: CN219190055U
Application number: CN202223136482.2U
Authority: CN
Inventors: 成永利; 吴旭东
Original assignee: Tianjin Goldilocks Co ltd
Current assignee: Tianjin Goldilocks Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-16
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of knurling pin shaft assembly and discloses a knurling pin shaft assembly tool which comprises a bottom plate, wherein a support frame is fixedly arranged at the edge of the top end of the bottom plate, a first bearing plate is fixedly sleeved at the middle position of the outer side of the support frame, positioning plates are fixedly connected to the two sides of the top end of the first bearing plate, U-shaped guide rails are fixedly penetrated on the two first bearing plates, racks are slidably connected to the inner sides of the U-shaped guide rails, gears are movably arranged between the two positioning plates, a pressing plate is fixedly connected to the bottom end of each rack, and a swinging rod is fixedly connected to one side of each gear through a fixing shaft.

Description

Knurled pin shaft assembling tool

Technical Field

The utility model relates to the technical field of knurled pin shaft assembly, in particular to a knurled pin shaft assembly tool.

Background

The pin roll is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, is mainly used for the hinge joint of two parts to form hinge connection, is usually locked by a cotter pin, is reliable in work and convenient to detach, knurling is a mechanical process for rolling patterns at a knob of a metal product or other working surfaces, is mainly used for skid resistance, the existing knurled pin roll and a workpiece are generally arranged in an interference fit mode, but when the knurled pin roll is inserted, a worker generally needs to knock the knurled pin roll by a hammer, the method wastes time, is easy to damage the workpiece, and has low safety;

therefore, a person skilled in the art provides a knurled pin assembly tool to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide a knurled pin shaft assembling tool for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a knurl round pin axle equipment frock, includes the bottom plate, bottom plate top limit portion fixed mounting has the support frame, the fixed cover in support frame outside middle part position is equipped with first loading board, first loading board top both sides rigid coupling has the locating plate, two fixed the running through has U type guide rail on the first loading board, the inboard sliding connection of U type guide rail has the rack, two movable mounting has the gear between the locating plate, and the gear meshes with the rack mutually, rack bottom rigid coupling has the pressure strip, gear one side has the swinging arms through the fixed axle rigid coupling.

As still further aspects of the utility model: the top end of the bottom plate is fixedly connected with a placing rack, and a workpiece placing groove is formed in the placing rack.

As still further aspects of the utility model: the gear movable sleeve is arranged on the outer side of the fixed shaft, the fixed shaft sequentially and movably penetrates through the two positioning plates and is fixedly connected with the bottom end of the side face of the swinging rod, a limiting ring is fixedly connected on one side of the gear, and one side of the limiting ring is attached to the inner side face of one of the positioning plates.

As still further aspects of the utility model: the fixed cover in position department in support frame outside upper position is equipped with the second loading board, second loading board side and swinging arms side all rigid coupling have the hangers, two connect through reset spring between the hangers, swinging arms medial surface laminating second loading board side.

As still further aspects of the utility model: and fixing holes for the rack to move are formed in the first bearing plate and the second bearing plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the workpiece is placed in the placing frame, the knurling pin shaft is inserted, and then the swinging rod is pressed downwards to drive the rack and the pressing plate to move downwards, so that the knurling pin shaft is extruded into the workpiece through the pressing plate, and after the knurling pin shaft is operated in place, the swinging rod is automatically reset due to the arrangement of the reset spring, so that the operation mode is simple, the safety is high, and the efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the mounting structure of the return spring of the present utility model;

FIG. 3 is a schematic view of a mounting structure of a stationary shaft according to the present utility model.

In the figure: 1. a bottom plate; 2. a support frame; 3. a first bearing plate; 4. a positioning plate; 5. a U-shaped guide rail; 6. a rack; 7. a gear; 8. a compacting plate; 9. a swinging rod; 10. a placing rack; 11. a workpiece placement groove; 12. a fixed shaft; 13. a limiting ring; 14. a second bearing plate; 15. hanging lugs; 16. a return spring; 17. and a fixing hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 3 in conjunction with the accompanying drawings in the embodiments of the present utility model, where the embodiments of the present utility model are as follows:

the utility model provides a knurled pin shaft assembly fixture, which comprises a base plate 1, the top limit portion fixed mounting of bottom plate 1 has support frame 2, the fixed cover is equipped with first loading board 3 in the middle part position outside support frame 2, the both sides rigid coupling in first loading board 3 top have locating plate 4, fixed U type guide rail 5 of running through on two first loading boards 3, the inboard sliding connection of U type guide rail 5 has rack 6, movable mounting has gear 7 between two locating plates 4, and gear 7 meshes with rack 6, rack 6 bottom rigid coupling has pinch-plate 8, gear 7 one side has swinging rod 9 through fixed axle 12 rigid coupling, the fixed cover in position department is equipped with second loading board 14 outside support frame 2, second loading board 14 side and swinging rod 9 side all rigid coupling have hangers 15, connect through reset spring 16 between two hangers 15, swinging rod 9 medial surface laminating second loading board 14 side, the rigid coupling has rack 10 in bottom plate 1 top, be provided with work piece standing groove 11 on the rack 10;

through adopting above technical scheme, can make swinging arms 9 drive gear 7 through pushing down swinging arms 9 to drive rack 6 through gear 7's rotation and move down in U type guide rail 5, will insert the work piece of establishing the annular knurl round pin axle in advance and place in work piece standing groove 11, rack 6 moves down and drives pinch plate 8 and move down and extrude the annular knurl round pin axle, until make the annular knurl round pin axle squeeze into the work piece in, loosen swinging arms 9, because reset spring 16's setting can make swinging arms 9 automatic re-setting, this operational mode security is high, and swinging arms 9 adopt the form of lever arm of force, make extrusion easy operation, laborsaving.

The gear 7 is movably sleeved on the outer side of the fixed shaft 12, the fixed shaft 12 sequentially penetrates through the two positioning plates 4 movably and is fixedly connected with the bottom end of the side surface of the swinging rod 9, one side of the gear 7 is fixedly connected with a limiting ring 13, and one side of the limiting ring 13 is attached to the inner side surface of one of the positioning plates 4;

through adopting above technical scheme, the setting of fixed axle 12 can make the transmission between gear 7 and the swinging arms 9, and thereby the setting of spacing ring 13 cooperates the laminating of swinging arms 9 medial surface second loading board 14 to reach gear 7 and the horizontal spacing function of swinging arms 9.

The first bearing plate 3 and the second bearing plate 14 are provided with fixing holes 17 for the racks 6 to move;

through adopting above technical scheme, the setting of fixed orifices 17 is convenient for the activity of rack 6, and U type guide rail 5 runs through second loading board 14 equally, and U type guide rail 5 opening communicates with each other with fixed orifices 17 simultaneously.

The working principle of the utility model is as follows: when the knurling pin shaft is installed on a workpiece, the workpiece is placed in the workpiece placing groove 11, the knurling pin shaft is inserted, a person holds the side face of the workpiece to prevent the workpiece from sliding, then pulls the swinging rod 9 downwards, the swinging rod 9 drives the gear 7 to rotate through the fixing shaft 12, the gear 7 rotates to drive the rack 6 to slide downwards in the U-shaped guide rail 5, the pressing plate 8 is driven to move downwards and press the knurling pin shaft, the reset spring 16 is stretched at the moment, after the knurling pin shaft is pressed in place, the swinging rod 9 is loosened, and at the moment, the swinging rod 9 and the pressing plate 8 recover to the initial position due to the reset action of the reset spring 16.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a knurl round pin axle equipment frock, includes bottom plate (1), its characterized in that, bottom plate (1) top limit portion fixed mounting has support frame (2), support frame (2) outside middle part position goes out fixed cover and is equipped with first loading board (3), first loading board (3) top both sides rigid coupling has locating plate (4), two fixed U type guide rail (5) that run through on first loading board (3), U type guide rail (5) inboard sliding connection has rack (6), two movable mounting has gear (7) between locating plate (4), and gear (7) mesh with rack (6), rack (6) bottom rigid coupling has clamp plate (8), gear (7) one side has swinging arms (9) through fixed axle (12) rigid coupling.

2. The knurled pin shaft assembly tool according to claim 1, wherein a placing rack (10) is fixedly connected to the top end of the bottom plate (1), and a workpiece placing groove (11) is formed in the placing rack (10).

3. The knurled pin shaft assembly tool according to claim 1, wherein the gear (7) is movably sleeved on the outer side of the fixed shaft (12), the fixed shaft (12) sequentially penetrates through the two positioning plates (4) movably and is fixedly connected with the bottom end of the side face of the swinging rod (9), a limiting ring (13) is fixedly connected on one side of the gear (7), and one side of the limiting ring (13) is attached to the inner side face of one of the positioning plates (4).

4. The knurled pin shaft assembly tool according to claim 1, wherein a second bearing plate (14) is fixedly sleeved at the upper position of the outer side of the supporting frame (2), lugs (15) are fixedly connected to the side face of the second bearing plate (14) and the side face of the swinging rod (9), the two lugs (15) are connected through a reset spring (16), and the inner side face of the swinging rod (9) is attached to the side face of the second bearing plate (14).

5. The knurled pin shaft assembly tool according to claim 4, wherein the first bearing plate (3) and the second bearing plate (14) are provided with fixing holes (17) for the racks (6) to move.