Standard part machining clamp capable of being replaced quickly

The modular design of the quick-change fixture solves the problems of complex and time-consuming fixture replacement in existing systems, enabling quick installation and disassembly of fixtures, improving machining accuracy and production efficiency, and is particularly suitable for small-batch, multi-variety production.

CN223572512UActive Publication Date: 2025-11-21WUHU HANDA AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202422712348.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-11-21
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

The existing standard parts processing fixtures are complicated and time-consuming to change, and are prone to positioning errors, which affect production efficiency and accuracy, especially in small-batch, multi-variety production.

Method used

The modular quick-change fixture uses hydraulic push rods, locking seats, locking blocks, and positioning shafts to enable quick installation and removal of fixture modules. Combined with magnetic blocks and snap-fit ​​fasteners, it ensures the stability and precise alignment of the fixture modules.

Benefits of technology

Significantly shortens fixture changeover time, improves machining accuracy and production efficiency, enhances fixture versatility and ease of maintenance, and adapts to the machining needs of standard parts of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of machining, in particular to a standard part machining clamp capable of being replaced quickly, which comprises a base, support arms are arranged on two sides of the top of the base, hydraulic push rods are arranged at the top ends of the support arms, clamp seats are fixed at the output ends of the hydraulic push rods, grooves are arranged on the outer sides of the clamp seats, and the clamp seats are fixed on the support arms. A plurality of rotating rollers are arranged in a groove in the outer side of the clamp base, clamp modules are installed on the outer sides of the rotating rollers, locking blocks matched with the locking base structures are arranged on the outer sides of the rotating rollers, and the clamp modules are installed on the outer portions of the locking blocks in a sleeving mode through the locking bases to achieve rapid installation and disassembly. And a plurality of positioning shafts for adjusting the angle position of the rotating roller are arranged at the upper end of the clamp seat. According to the standard part machining clamp capable of being rapidly replaced, through modular design, the clamp replacement time is greatly shortened, the machining precision and the production efficiency are improved, meanwhile, the universality is high, maintenance is easy and convenient, and the standard part machining clamp is particularly suitable for small-batch and multi-variety production requirements.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely is a standard part processing fixture of quick replacement. BACKGROUND

[0002] In modern manufacturing industry, the machining quality of standard parts such as bolts, nuts, washers etc. directly affects the performance and reliability of the final product. In order to ensure the quality of these standard parts, special machining equipment and fixtures are usually required to fix the workpiece, ensuring the consistency of the size and the smoothness of the surface during the machining process. In actual production, different types or specifications of standard parts often require different machining parameters and fixture configurations.

[0003] The existing standard part machining fixture is mostly fixed design, that is, each fixture can only be applied to a specific size or shape of standard part. When different specifications of standard parts need to be machined, the operator must manually disassemble the old fixture and install a new one. This process is not only complex and tedious, but also prone to positioning errors, affecting the machining accuracy. Moreover, since the machine needs to be recalibrated every time the fixture is replaced, the production efficiency is greatly reduced, especially for small batch and multi-specification production mode. This traditional fixture replacement method has become the main bottleneck limiting production flexibility and efficiency improvement. SUMMARY

[0004] The purpose of the utility model is to provide a quick replacement standard part machining fixture to solve the problems of complex fixture replacement, long time consumption, easy positioning error, and affecting production efficiency and machining accuracy in the current standard part machining process.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a quick replacement standard part machining fixture, comprising a base, both sides of the top of the base are provided with a support arm, the top end of the support arm is provided with a hydraulic push rod, the output end of the hydraulic push rod is fixed with a fixture seat, the outer side of the fixture seat is provided with a groove, a plurality of rotating rollers are arranged in the groove on the outer side of the fixture seat, a fixture module is installed on the outer side of the rotating roller, and a locking seat is arranged on the back side of the fixture module, a locking block matched with the locking seat structure is arranged on the outer side of the rotating roller, the fixture module is installed on the outside of the locking block through the locking seat to realize quick installation and disassembly, and a plurality of positioning shafts for adjusting the angle position of the rotating roller are arranged on the upper end of the fixture seat.

[0006] Preferably, the back side of the fixture module is provided with a connecting ring at both ends of the locking seat, and the connecting ring, the locking seat and the locking block are jointly inserted with a locking rod.

[0007] Preferably, the top end of the locking rod is provided with a clamping piece, and the outer side of the upper end of the rotating roller is provided with a clamping seat matched with the structure of the clamping piece.

[0008] Preferably, the inner end of the positioning shaft penetrates into the groove of the clamp seat and is fixedly connected with the outer wall of the upper end of the rotating roller, and the upper end of the clamp seat is provided with a plurality of movable openings matched with the structure of the positioning shaft.

[0009] Preferably, the top of the movable opening of the clamp seat is provided with an arc-shaped fixed block, and a plurality of positioning screw holes are uniformly arranged on the arc-shaped fixed block.

[0010] Preferably, the outer end of the locking block is provided with a magnetic block, and the locking block is in a cylindrical structure and is welded and fixed with the outer side of the rotating roller.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: the quick replacement standard part machining clamp greatly shortens the clamp replacement time through modular design, improves the machining precision and production efficiency, is strong in universality, is simple to maintain, and is especially suitable for small-batch multi-specification production requirements. The clamp is provided with a plurality of clamp modules on the outer side of the clamp seat, the clamp modules can be quickly installed through the cooperation of the locking seat and the locking block, the double locking design of the locking rod, the clamping piece and the clamping seat further enhances the fixing stability of the clamp modules, and the design of the positioning shaft and the arc-shaped fixed block allows the angle of the rotating roller to be accurately adjusted and fixed, so that the machining requirements of different specifications of standard parts are met. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a quick replacement standard part machining clamp structure schematic view of the utility model;

[0013] Figure 2 It is a clamp module and clamp seat connection structure schematic view of the quick replacement standard part machining clamp of the utility model;

[0014] Figure 3 It is a clamp seat outer side structure schematic view of the quick replacement standard part machining clamp of the utility model;

[0015] Figure 4 It is a clamp seat top view structure schematic view of the quick replacement standard part machining clamp of the utility model.

[0016] In the drawing: 1, base; 2, support arm; 3, hydraulic push rod; 4, clamp seat; 5, rotating roller; 6, clamp module; 7, locking seat; 8, locking block; 9, positioning shaft; 10, connecting ring; 11, locking rod; 12, arc-shaped fixed block; 13, clamping seat; 14, clamping piece. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a quick replacement standard part machining clamp, including base 1, both sides of base 1 top are equipped with support arm 2, the top of support arm 2 all is fixed with hydraulic push rod 3 through bolt installation, the output of hydraulic push rod 3 is welded with fixture seat 4, the outside of fixture seat 4 is equipped with recess, the recess of fixture seat 4 outside is equipped with a plurality of rotating roller 5, the upper and lower ends of rotating roller 5 all are connected with the inner wall of the upper and lower ends of fixture seat 4 through pivot, and fixture module 6 is installed to the outside of rotating roller 5, and fixture module 6's back side is welded with locking seat 7, and the outside welding of rotating roller 5 is fixed with the locking block 8 of cooperation with locking seat 7 structure, and fixture module 6 is installed in the outside of locking block 8 through locking seat 7 and realizes quick installation and disassembly, and the upper end of fixture seat 4 is equipped with a plurality of positioning shaft 9 for adjusting the angle position of rotating roller 5, the fixture module 6 of this structure can be aligned with the rotating roller 5 on fixture seat 4, and locking seat 7 is aligned with locking block 8, so that the two are closely matched, realize the quick installation of fixture module 6, when the standard part of different specifications needs to be replaced, operating personnel only need to separate locking seat 7 from locking block 8, can easily remove fixture module 6, the whole process does not need tool auxiliary, greatly shorten the replacement time, and positioning shaft 9 can adjust the angle position of rotating roller 5 as required, ensure the accurate alignment of fixture module 6 in different machining positions, thereby avoid the positioning error in the replacement process of traditional fixture, improve the machining accuracy, and the accurate position adjustment of fixture module 6 can be realized through the telescopic hydraulic push rod 3, further enhance the applicability and flexibility of the clamp, especially suitable for small batch production demand, the position of fixture module 6 back side is located in the upper and lower ends of locking seat 7, and is equipped with connecting ring 10, and the locking rod 11 is inserted in common in connecting ring 10, locking seat 7 and locking block 8, the inside of locking seat 7 and locking block 8 is equipped with the perforation of cooperation with locking rod 11 structure, when locking seat 7 is fixed in the outside of locking block 8, locking rod 11 can pass through the perforation of connecting ring 10, locking seat 7 and locking block 8 in proper order, so that it is fastened between locking seat 7 and locking block 8, thereby realize the quick fixing of fixture module 6, when the fixture module 6 needs to be replaced, operating personnel only need to take out locking rod 11 from connecting ring 10, locking seat 7 and locking block 8, can easily remove fixture module 6, this not only simplifies the installation and disassembly process of fixture module 6, reduces the operation time and labor intensity, but also ensures the stability and reliability of fixture module 6 when installing, the top end welding of locking rod 11 is fixed with the clamping piece 14, and the outside welding of rotating roller 5 upper end is fixed with the clamping seat 13 of cooperation with clamping piece 14 structure, the inside of clamping seat 13 is equipped with clamping groove, the locking rod 11 of this structure can be embedded in the clamping groove in the inside of clamping seat 13 through rotating when fixing, thereby realize double locking, further ensure the firm fixing of fixture module 6, the inside of positioning shaft 9 is inserted into the recess of fixture seat 4 and is fixedly connected with the outer wall of rotating roller 5 upper end,And the upper end of the clamp seat 4 is provided with a plurality of movable ports matched with the structure of the positioning shaft 9, when the positioning shaft 9 is fixed in different positions of the movable port, the angle of the rotating roller 5 also changes, which ensures the accurate alignment of the clamp module 6 in different processing positions, so as to improve the applicability and flexibility of the clamp module 6, the top of the movable port of the clamp seat 4 is provided with an arc fixed block 12, and a plurality of positioning screw holes are uniformly arranged on the arc fixed block 12, the positioning screw hole can be connected with the positioning shaft 9 through the positioning bolt, when the positioning shaft 9 is adjusted to the required angle position, the positioning bolt can be inserted into the positioning screw hole on the arc fixed block 12, aligned with the corresponding hole on the positioning shaft 9 and tightened, so as to fix the position of the positioning shaft 9, the outer end of the locking block 8 is provided with a magnetic block, and the locking block 8 is a cylindrical structure and is welded and fixed with the outer side of the rotating roller 5, when the locking seat 7 is aligned with the locking block 8 and close, the metal part in the locking seat 7 will be attracted by the magnetic block at the outer end of the locking block 8, so as to preliminarily fix the position of the clamp module 6, which not only simplifies the preliminary positioning of the clamp module 6 through the attraction of the magnetic block, reduces the operation steps and time, but also ensures the alignment accuracy of the clamp module 6 in the installation process, improves the overall installation efficiency and processing precision.

[0019] Working principle: when using the quick replacement standard part machining clamp, first, the clamp module 6 is aligned with the rotating roller 5 on the clamp seat 4, and the locking seat 7 is aligned with the locking block 8, at this time, the metal part in the locking seat 7 will be attracted by the magnetic block at the outer end of the locking block 8, preliminarily fixing the position of the clamp module 6, then the locking rod 11 is inserted into the connecting ring 10 on the back side of the clamp module 6, the perforation of the locking seat 7 and the perforation of the locking block 8 in turn, rotating the locking rod 11 to make it fasten between the locking seat 7 and the locking block 8, at the same time, the clamping piece 14 at the top of the locking rod 11 is embedded in the clamping groove in the clamping seat 13 outside the upper end of the rotating roller 5, realizing double locking, when the angle of the clamp module 6 needs to be adjusted, the position of the positioning shaft 9 in the movable port on the upper end of the clamp seat 4 can be adjusted, the positioning shaft 9 is fixed in the required movable port, then the positioning bolt is inserted into the positioning screw hole on the arc fixed block 12, aligned with the corresponding hole on the positioning shaft 9 and tightened, so as to fix the position of the positioning shaft 9, when different specifications of standard parts need to be replaced, the operator only needs to rotate the locking rod 11 in the opposite direction, take it out of the connecting ring 10, the locking seat 7 and the locking block 8, and the clamping piece 14 will also come out of the clamping groove of the clamping seat 13, so as to easily remove the clamp module 6, the whole process does not need tool assistance, greatly shortens the replacement time, so as to complete a series of work.

[0020] Although the utility model has been explained 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 replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A quick-change standard part machining fixture comprising a base (1), both sides of the top of the base (1) are provided with a support arm (2), characterized in that: The top end of the branch arm (2) is provided with a hydraulic push rod (3), the output end of the hydraulic push rod (3) is fixed with a clamp seat (4), the outer side of the clamp seat (4) is provided with a groove, a plurality of rotating rollers (5) are arranged in the groove of the outer side of the clamp seat (4), the outer side of the rotating roller (5) is provided with a clamp module (6), the back side of the clamp module (6) is provided with a locking seat (7), the outer side of the rotating roller (5) is provided with a locking block (8) matched with the structure of the locking seat (7), the clamp module (6) is installed on the outside of the locking block (8) through the locking seat (7) to realize quick installation and disassembly, and the upper end of the clamp seat (4) is provided with a plurality of positioning shafts (9) for adjusting the angular position of the rotating roller (5).

2. A quick change standard machining fixture according to claim 1, characterized in that: The back side of the clamp module (6) is provided with a connecting ring (10) at the upper and lower ends of the locking seat (7), and the connecting ring (10), the locking seat (7) and the locking block (8) are jointly inserted with a locking rod (11).

3. A quick change standard machining fixture according to claim 2, characterized in that: The top end of the locking rod (11) is provided with a clamping piece (14), and the outer side of the upper end of the rotating roller (5) is provided with a clamping seat (13) matched with the structure of the clamping piece (14).

4. The quick change standard machining fixture of claim 1, wherein: The inner end of the positioning shaft (9) penetrates into the groove of the clamp seat (4) and is fixedly connected with the outer wall of the upper end of the rotating roller (5), and the upper end of the clamp seat (4) is provided with a plurality of movable openings matched with the structure of the positioning shaft (9).

5. A quick change standard machining fixture according to claim 4, characterized in that: The top of the movable opening of the clamp seat (4) is provided with an arc fixed block (12), and a plurality of positioning screw holes are uniformly arranged on the arc fixed block (12).

6. A quick change standard machining fixture according to claim 1, characterized in that: The outer end of the locking block (8) is provided with a magnetic block, and the locking block (8) is a cylindrical structure and is welded and fixed with the outer side of the rotating roller (5).