Fixture for rocker arm fulcrum seat production

Abstract

The utility model provides a clamp for rocker arm fulcrum seat production, which relates to the technical field of clamps and comprises a base and a clamping mechanism, and the clamping mechanism is mounted at the right end of the upper side of the base. The left-right position of the clamping device fixing assembly on the base can be adjusted according to the size of the fulcrum base, the height position of the clamping device fixing plate on the fixing support is adjusted according to the size of the fulcrum base, the sliding shaft is rotated to drive the clamping rotary disc to rotate, and the clamping assembly can be rotated to a proper clamping angle; the clamping device fixing assembly is moved left and right, the clamping assembly is moved to the position needing to be clamped, the bolt and the nut are tightened to fix the position, the nut is screwed according to the size of the position needing to be clamped, the movable clamping block moves towards the fixed clamping block along the clamping block screw, and the fulcrum base is clamped; the clamping device can be suitable for clamping fulcrum seats of various sizes and is convenient to produce.

Description

Technical Field

[0001] The utility model relates to the technical field of fixtures, and particularly relates to a fixture for producing a rocker arm fulcrum seat. Background Art

[0002] A fixture for producing a rocker arm fulcrum seat is a tool specifically used for fixing and positioning a rocker arm fulcrum seat during the machining process. Its main function is to ensure the stability and precise alignment of the rocker arm fulcrum seat during the machining process, so as to perform efficient machining operations such as drilling and milling. Such a fixture usually includes positioning elements, a clamping mechanism, and possibly auxiliary positioning devices to meet specific machining requirements and improve machining efficiency.

[0003] After retrieval, the text of the patent number "CN105855936A" mentions that "The present invention discloses a drilling fixture for a rocker arm support, which relates to the technical field of machining. It includes a support plate installed on a bottom plate, a laterally extending positioning shaft installed on the support plate, and a first pressing plate connected to the outer end of the positioning shaft by bolts; a limiting block is installed on one side of the positioning shaft, a second pressing plate is arranged above the limiting block, and the second pressing plate is connected to a pillar installed on the bottom plate by bolts; a downward protruding pressing strip is arranged at the lower end of the second pressing plate. Compared with the prior art, the present invention can clamp two rocker arm supports at one time, drill the mounting holes on the support plate of the rocker arm support, the workpiece is easy to clamp, the production efficiency is high, and the labor intensity is reduced." When in use, it can clamp two rocker arm supports at one time for processing and production, the workpiece is easy to clamp, the production efficiency is high, and the labor intensity is reduced. However, the structure of this fixture device is fixed and non-adjustable during use, and it can only be applied to the processing and production of rocker arm supports with specific sizes.

[0004] Therefore, we provide a fixture for producing a rocker arm fulcrum seat to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a fixture for producing a rocker arm fulcrum seat to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A fixture for producing a rocker arm fulcrum seat includes a base and a clamping mechanism, and the clamping mechanism is installed at the right end on the upper side of the base;

[0007] The clamping mechanism includes a clamping device chute, a clamping device fixing component, and a clamping component. A clamping device chute is provided in the right half of the base, a clamping device fixing component is installed on the right side of the top of the base, and a clamping component is installed on the left side of the clamping device fixing component.

[0008] Preferably, the direction of the clamping device chute is parallel to the front and rear sides of the base, and two clamping device chutes are symmetrically arranged about the transverse central axis of the top surface of the base.

[0009] Preferably, the clamping device fixing assembly includes a fixing bracket, a clamping device fixing chute, a clamping device fixing plate, a clamping device fixing screw, a nut, a rotating chute and a bolt. A fixing bracket is installed on the right side of the top end of the base. A clamping device fixing chute is provided inside the fixing bracket. A clamping device fixing plate is installed on the right side of the fixing bracket. Clamping device fixing screws are welded at the four vertices of the clamping device fixing plate. A nut is installed at the top left end of the clamping device fixing screw. A rotating chute is provided at the middle position of the clamping device fixing plate. A bolt is arranged at the bottom of the fixing bracket, and the bolt and the clamping device chute are connected by a clamping groove.

[0010] Preferably, the clamping assembly includes a clamping turntable, a sliding shaft, a fixed clamping block, a clamping block screw and a movable clamping block. A clamping turntable is installed on the left side of the clamping device fixing plate. A sliding shaft is arranged on the right side of the clamping turntable. A fixed clamping block is welded on the left side of the clamping turntable. A clamping block screw is welded on the upper side of the fixed clamping block. A movable clamping block is installed on the outer side of the clamping block screw. A nut is installed at the top end of the movable clamping block.

[0011] Preferably, a sliding shaft is welded on the right side of the clamping turntable, and the sliding shaft is connected with the rotating chute by a clamping groove.

[0012] Preferably, a hole positioning mechanism is installed on the upper left end of the base. The hole positioning mechanism includes a hole positioning device chute, a hole positioning device fixing assembly and a hole positioning assembly. Two hole positioning device chutes are provided in the left half of the base. A hole positioning device fixing assembly is installed on the left side of the top end of the base. A hole positioning assembly is installed on the front side of the hole positioning device fixing assembly. The direction of the hole positioning device chute is perpendicular to the clamping device chute and there are two such chutes.

[0013] Preferably, the hole positioning device fixing assembly includes a hole positioning device fixing plate and a hole positioning device fixing chute. A hole positioning device fixing plate is installed on the left side of the top end of the base, and a hole positioning device fixing chute is provided inside the hole positioning device fixing plate.

[0014] Preferably, the hole positioning assembly includes a hole positioning disc, a claw groove, a screw seat, a bidirectional screw, a positioning claw, a fixing rod and a fixing baffle. A hole positioning disc is installed on the front side of the hole positioning device fixing plate. A claw groove is provided at the middle position of the hole positioning disc. Screw seats are welded at both ends of the claw groove. A bidirectional screw is installed inside the screw seat. A positioning claw is installed inside the claw groove. A fixing rod is welded on the front side of the hole positioning disc. A fixing baffle is installed at the front end of the fixing rod, and a nut is installed on the front side of the fixing baffle.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. Through the setting of the clamping mechanism, when producing the rocker arm fulcrum seat, the left and right positions of the clamping device fixing component on the base can be adjusted according to the size of the fulcrum seat, and the height position of the clamping device fixing plate on the fixing bracket can be adjusted according to the size of the fulcrum seat. Rotate the sliding shaft to drive the clamping turntable to rotate, so that the clamping component can be rotated to a suitable clamping angle, enabling the clamping device to be clamped at a suitable position on the fulcrum seat. Move the clamping device fixing component left and right to move the clamping component to the position where clamping is required, tighten the bolts and nuts to fix the position, and turn the nut according to the size of the position to be clamped, so that the movable clamping block moves along the clamping block screw towards the fixed clamping block to clamp the fulcrum seat, which can be applicable to the clamping of fulcrum seats of multiple sizes and is convenient for production.

[0017] 2. Through the setting of the hole positioning mechanism, when producing the rocker arm fulcrum seat, the rocker arm fulcrum seat can be fixed in cooperation with the clamping component by moving the hole positioning device fixing component and the hole positioning component back and forth. The bidirectional screw can be rotated according to the size of the shaft hole of the fulcrum seat to be produced, driving the positioning claw to move in the claw groove, which can be adapted to the shaft holes of different sizes of fulcrum seats for fixing. Tighten the nut to press the fixed baffle tightly against the front side of the shaft hole to prevent the fulcrum seat from shifting during the processing, avoiding product damage and operator injury. Description of the Drawings

[0018] Figure 1 is a schematic diagram of the overall external structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the structure of the clamping mechanism of the present utility model;

[0020] Figure 3 is a schematic diagram of the structure of the clamping device fixing component and the clamping component of the present utility model;

[0021] Figure 4 is a schematic diagram of the structure of the hole positioning mechanism of the present utility model.

[0022] Reference numerals in the figure: 1, base; 2, clamping mechanism; 21, clamping device chute; 22, clamping device fixing assembly; 221, fixing bracket; 222, clamping device fixing chute; 223, clamping device fixing plate; 224, clamping device fixing screw; 225, nut; 226, rotating chute; 227, bolt; 23, clamping assembly; 231, clamping turntable; 232, sliding shaft; 233, fixed clamping block; 234, clamping block screw; 235, movable clamping block; 3, hole positioning mechanism; 31, hole positioning device chute; 32, hole positioning device fixing assembly; 321, hole positioning device fixing plate; 322, hole positioning device fixing chute; 33, hole positioning assembly; 331, hole positioning disk; 332, claw groove; 333, screw seat; 334, bidirectional screw; 335, positioning claw; 336, fixed rod; 337, fixed baffle. Detailed implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1

[0025] Please refer to Figures 1-4 As shown, the present invention provides a technical solution: a fixture for the production of a rocker arm fulcrum seat, including a base 1 and a clamping mechanism 2. The clamping mechanism 2 is installed at the right end of the upper side of the base 1.

[0026] The clamping mechanism 2 includes a clamping device chute 21, a clamping device fixing assembly 22 and a clamping assembly 23. The right half of the base 1 is provided with a clamping device chute 21. The right side of the top of the base 1 is provided with a clamping device fixing assembly 22, and the left side of the clamping device fixing assembly 22 is provided with a clamping assembly 23.

[0027] Furthermore, the direction of the clamping device chute 21 is parallel to the front and rear sides of the base 1. There are two clamping device chutes 21 symmetrically arranged about the transverse central axis of the top surface of the base 1. With the setting of the clamping device chute 21, when producing the rocker arm fulcrum seat, the position of the clamping device fixing assembly 22 on the base 1 can be adjusted according to the size of the fulcrum seat for fulcrum seat clamping, and the production of fulcrum seats of multiple sizes can be applied.

[0028] Further, the clamping device fixing assembly 22 includes a fixing bracket 221, a clamping device fixing chute 222, a clamping device fixing plate 223, a clamping device fixing screw 224, a nut 225, a rotating chute 226, and a bolt 227. A fixing bracket 221 is installed on the right side of the top of the base 1. A clamping device fixing chute 222 is provided inside the fixing bracket 221. A clamping device fixing plate 223 is installed on the right side of the fixing bracket 221. Clamping device fixing screws 224 are welded at the four vertices of the clamping device fixing plate 223. A nut 225 is installed at the left top end of the clamping device fixing screw 224. A rotating chute 226 is provided at the middle position of the clamping device fixing plate 223. A bolt 227 is provided at the bottom of the fixing bracket 221. The bolt 227 and the clamping device chute 21 are connected by a card slot. When producing the rocker arm fulcrum seat, the position of the clamping device fixing plate 223 on the fixing bracket 221 can be adjusted according to the size of the fulcrum seat, so that the clamping device can be clamped at a suitable position of the fulcrum seat, and the production of fulcrum seats of multiple sizes can be applicable.

[0029] Further, the clamping assembly 23 includes a clamping turntable 231, a sliding shaft 232, a fixed clamping block 233, a clamping block screw 234, and a movable clamping block 235. A clamping turntable 231 is installed on the left side of the clamping device fixing plate 223. A sliding shaft 232 is provided on the right side of the clamping turntable 231. A fixed clamping block 233 is welded on the left side of the clamping turntable 231. A clamping block screw 234 is welded on the upper side of the fixed clamping block 233. A movable clamping block 235 is installed on the outer side of the clamping block screw 234. A nut 225 is installed at the top end of the movable clamping block 235. When producing the rocker arm fulcrum seat, the nut 225 can be turned according to the size of the position to be clamped, so that the movable clamping block 235 moves along the clamping block screw 234 towards the fixed clamping block 233 to clamp the fulcrum seat, facilitating production.

[0030] Further, a sliding shaft 232 is welded on the right side of the clamping turntable 231. The sliding shaft 232 is connected to the rotating chute 226 by a card slot. When producing the rocker arm fulcrum seat, since the shapes of the fulcrum seats are different, the sliding shaft 232 can be rotated according to the specific size of the fulcrum seat to be processed and produced, driving the clamping turntable 231 to rotate, and rotating the clamping assembly 23 to a suitable position.

[0031] Embodiment 2

[0032] Please refer to Figure 1 and Figure 4As shown in the figure, as another implementation manner of the present utility model compared with the first comparative example, a hole positioning mechanism 3 is installed at the left end of the upper side of the base 1. The hole positioning mechanism 3 includes a hole positioning device chute 31, a hole positioning device fixing assembly 32, and a hole positioning assembly 33. The left half of the base 1 is provided with a hole positioning device chute 31. The hole positioning device fixing assembly 32 is installed on the left side of the top of the base 1. The hole positioning assembly 33 is installed on the front side of the hole positioning device fixing assembly 32. There are two hole positioning device chutes 31 arranged perpendicular to the clamping device chute 21. When producing the rocker arm fulcrum seat, since the clamping assembly 23 is located at the midline position of the base 1 in the left-right direction, at this time, the hole positioning device fixing assembly 32 and the hole positioning assembly 33 can be moved back and forth to cooperate with the clamping assembly 23 to fix the rocker arm fulcrum seat.

[0033] Furthermore, the hole positioning device fixing assembly 32 includes a hole positioning device fixing plate 321 and a hole positioning device fixing chute 322. The hole positioning device fixing plate 321 is installed on the left side of the top of the base 1. The hole positioning device fixing chute 322 is opened inside the hole positioning device fixing plate 321. When producing the rocker arm fulcrum seat, the hole positioning assembly 33 can be driven by moving the hole positioning device fixing plate 321 back and forth to cooperate with the clamping assembly 23 to fix the fulcrum seat, which is convenient for processing and production.

[0034] Furthermore, the hole positioning assembly 33 includes a hole positioning disk 331, a claw groove 332, a screw seat 333, a bidirectional screw 334, a positioning claw 335, a fixing rod 336, and a fixing baffle 337. The hole positioning disk 331 is installed on the front side of the hole positioning device fixing plate 321. A claw groove 332 is opened at the middle position of the hole positioning disk 331. Screw seats 333 are welded to both ends of the claw groove 332. The bidirectional screw 334 is installed inside the screw seat 333. The positioning claw 335 is installed inside the claw groove 332. The fixing rod 336 is welded to the front side of the hole positioning disk 331. The fixing baffle 337 is installed at the front end of the fixing rod 336. A nut 225 is installed on the front side of the fixing baffle 337. When performing hole positioning during the production of the rocker arm fulcrum seat, the bidirectional screw 334 can be rotated according to the size of the shaft hole of the fulcrum seat to be produced, driving the positioning claw 335 to move in the claw groove 332, so as to adapt to the shaft holes of different sizes of the fulcrum seat for fixing. Tighten the nut 225 to press the fixing baffle 337 tightly against the front side of the shaft hole to prevent the fulcrum seat from shifting during the processing, avoiding product damage and operator injury.

[0035] Working principle: First, move a fixture for producing a rocker arm fulcrum seat to the working position. When in use, in the first step, sleeved the shaft hole of the fulcrum seat on the outside of the fixed rod 336, rotate the bidirectional screw 334 to drive the positioning claw 335 to move in the claw groove 332 and expand it to the same size as the shaft hole of the fulcrum seat. Then, sleeved the fixed baffle 337 on the front end of the fixed rod 336 and tighten the nut 225 to press the fixed baffle 337 tightly against the front side of the shaft hole. In the second step, move the hole positioning device fixing plate 321 back and forth and move the hole positioning disc 331 up and down to fix the fulcrum seat in a suitable position, and tighten the bolt 227 to fix the front and rear positions. In the third step, move the fixed bracket 221 left and right, move the clamping device fixing plate 223 up and down, and adjust the angle of the clamping turntable 231. Tighten the bolt 227 to fix the left and right positions, tighten the nut 225 to fix the height of the clamping device fixing plate 223, and turn the nut 225 to make the movable clamping block 235 move along the clamping block screw 234 towards the fixed clamping block 233 to complete the clamping action on the fulcrum seat. In this way, the use process of a fixture for producing a rocker arm fulcrum seat is completed.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamp for producing a rocker arm fulcrum seat, comprising a base (1) and a clamping mechanism (2), characterized in that: A clamping mechanism (2) is installed at the upper right end of the base (1); The clamping mechanism (2) comprises a clamping device slide groove (21), a clamping device fixing assembly (22) and a clamping assembly (23); the right half of the base (1) is provided with a clamping device slide groove (21); the top right side of the base (1) is provided with a clamping device fixing assembly (22); and the left side of the clamping device fixing assembly (22) is provided with a clamping assembly (23).

2. A jig for producing a rocker arm fulcrum seat according to claim 1, characterized in that: The direction of the clamping device slide groove (21) is parallel to the front and rear side surfaces of the base (1), and two clamping device slide grooves (21) are symmetrically arranged about the transverse center axis of the top surface of the base (1).

3. A jig for producing a rocker arm fulcrum seat according to claim 2, characterized in that: The clamping device fixing assembly (22) comprises a fixing bracket (221), a clamping device fixing slot (222), a clamping device fixing plate (223), a clamping device fixing screw (224), a nut (225), a rotating slot (226) and a bolt (227); a fixing bracket (221) is installed on the right side of the top end of the base (1); a clamping device fixing slot (222) is provided inside the fixing bracket (221); and a fixing bracket (221) is installed on the right side of the fixing bracket (221). A clamping device fixing plate (223), wherein the four vertices of the clamping device fixing plate (223) are welded with clamping device fixing screws (224), a nut (225) is installed at the left top end of the clamping device fixing screw (224), a rotating slide groove (226) is opened in the middle position of the clamping device fixing plate (223), a bolt (227) is arranged at the bottom of the fixing bracket (221), and a slot connection is formed between the bolt (227) and the clamping device slide groove (21).

4. A jig for producing a rocker arm fulcrum seat according to claim 3, characterized in that: The clamping assembly (23) comprises a clamping turntable (231), a sliding shaft (232), a fixed clamping block (233), a clamping block screw (234) and a movable clamping block (235); the clamping turntable (231) is installed on the left side of the clamping device fixed plate (223); the sliding shaft (232) is arranged on the right side of the clamping turntable (231); the fixed clamping block (233) is welded on the left side of the clamping turntable (231); the clamping block screw (234) is welded on the upper side of the fixed clamping block (233); the movable clamping block (235) is installed on the outer side of the clamping block screw (234); and the top end of the movable clamping block (235) is installed with a nut (225).

5. A jig for producing a rocker arm fulcrum seat according to claim 4, characterized in that: A sliding shaft (232) is welded to the right side of the clamping turntable (231), and the sliding shaft (232) is connected to the rotating slide groove (226) by a slot.

6. A jig for producing a rocker arm fulcrum seat according to claim 1, characterized in that: A hole positioning mechanism (3) is installed at the upper left end of the base (1), and the hole positioning mechanism (3) includes a hole positioning device slide groove (31), a hole positioning device fixing component (32) and a hole positioning component (33). The left half of the base (1) is provided with a hole positioning device slide groove (31), the top left side of the base (1) is provided with a hole positioning device fixing component (32), and the front side of the hole positioning device fixing component (32) is provided with a hole positioning component (33). The direction of the hole positioning device slide groove (31) is perpendicular to the clamping device slide groove (21) and two slide grooves are provided.

7. A jig for producing a rocker arm fulcrum seat according to claim 6, characterized in that: The hole positioning device fixing assembly (32) comprises a hole positioning device fixing plate (321) and a hole positioning device fixing slot (322); the hole positioning device fixing plate (321) is installed on the left side of the top end of the base (1); and the hole positioning device fixing slot (322) is provided inside the hole positioning device fixing plate (321).

8. A jig for producing a rocker arm fulcrum seat according to claim 7, characterized in that: The hole positioning assembly (33) comprises a hole positioning plate (331), a claw groove (332), a screw seat (333), a bidirectional screw (334), a positioning claw (335), a fixing rod (336) and a fixing baffle (337); the hole positioning plate (331) is installed on the front side of the fixing plate (321) of the hole positioning device; a claw groove (332) is provided in the middle of the hole positioning plate (331); screw seats (333) are welded at both ends of the claw groove (332); a bidirectional screw (334) is installed on the inner side of the screw seat (333); a positioning claw (335) is installed on the inner side of the claw groove (332); a fixing rod (336) is welded on the front side of the hole positioning plate (331); a fixing baffle (337) is installed on the front end of the fixing rod (336); and a nut (225) is installed on the front side of the fixing baffle (337).

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