Adjustable fastener machining and positioning clamp
By combining the transmission of helical and bevel gear meshing structures, the problem of cumulative error during the adjustment of existing fastener processing fixtures is solved, enabling precise positioning and multi-directional processing of fasteners, and improving processing efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-03-31
AI Technical Summary
Existing adjustable fastener machining positioning fixtures are prone to cumulative errors during adjustment, affecting machining quality and efficiency.
Employing a spiral and bevel gear meshing structure, combined with a rotary motor and a drive motor, it achieves precise positioning and multi-directional machining of the grippers. Through the combined transmission of the spiral and the rotary table, it ensures the precise positioning of the workpiece in different diameters and orientations.
It enables precise positioning and multi-directional machining of fasteners, improving machining efficiency and accuracy, and reducing cumulative errors during the adjustment process.
Smart Images

Figure CN224059790U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical processing equipment technical field especially relates to adjustable fastener processing positioning fixture. BACKGROUND
[0002] The working principle of the adjustable fastener processing positioning fixture is to flexibly adjust according to the size and shape of the workpiece through the adjustable positioning element, and to stably fix the workpiece by using the clamping mechanism to ensure the accurate position during processing. It is widely used in various scenes, commonly used in turning, milling, drilling and grinding processes in mechanical processing, suitable for fastener processing such as bolt and nut processing in automobile part manufacturing, and small screw processing in electronic equipment production, etc., which can improve the processing efficiency and precision.
[0003] The adjustable fastener processing positioning fixture usually includes positioning elements, clamping mechanisms, and clamping bodies. The positioning elements are in contact with the workpiece positioning reference surface, so that the workpiece has a correct position relative to the machine tool; the clamping mechanism fastens the workpiece by applying force to prevent displacement caused by external force and vibration; the clamping body connects various elements and mechanisms into a whole as a basic part.
[0004] In the prior art, some adjustable clamps need to be adjusted when used, which takes a lot of time to process different processing materials. The adjustable clamp has many adjustment links, which can cause cumulative error in the complicated adjustment process, so that the center positioning of the clamp is not accurate, resulting in a decline in processing quality. Therefore, the adjustable fastener processing positioning fixture is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides an adjustable fastener processing positioning fixture, which aims to improve the problem of too many adjustment links in the prior art adjustable clamp, which can cause cumulative error in the complicated adjustment process.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] The adjustable fastener processing positioning fixture comprises a fixed table, a spiral line is rotatably connected to the top of the fixed table, a plurality of clamping jaws are slidably connected to the outer wall of the spiral line, a rotating plate is fixedly connected to the bottom of the spiral line, a gear ring is fixedly connected to the bottom of the rotating plate, a plurality of bevel gears are rotatably connected to the inner wall of the fixed table, the outer wall of the plurality of bevel gears and the bottom of the gear ring are meshingly connected, and an adjustment assembly for adjusting the horizontal direction of the positioning fixture is arranged at the bottom of the fixed table.
[0008] As a further description of the above technical scheme:
[0009] The rotating assembly comprises a mounting plate, the top of the mounting plate is fixedly connected to the bottom of the fixed table, the bottom of the mounting plate is fixedly connected with a rotating table, the bottom of the rotating table is fixedly connected with a ring-shaped gear rack, and the outer wall of the rotating table is rotatably connected with a base;
[0010] As a further description of the above technical solution:
[0011] The outer wall of the fixed table is fixedly connected with a rotating motor, and the driving end of the rotating motor is fixedly connected to the outer wall of the ring-shaped gear rack.
[0012] As a further description of the above technical solution:
[0013] The bottom of the rotating plate is fixedly connected with a rotating column, and the bottom of the rotating column is rotatably connected to the inner wall of the fixed table.
[0014] As a further description of the above technical solution:
[0015] The inner wall of the base is fixedly connected with a driving motor, and the driving end of the driving motor is fixedly connected with a rotating rod.
[0016] As a further description of the above technical solution:
[0017] The outer wall of the rotating rod is fixedly connected with a rotating gear, and the outer wall of the rotating gear is in meshing connection with the inner wall of the ring-shaped gear rack.
[0018] As a further description of the above technical solution:
[0019] The outer wall of the rotating table is rotatably connected to the inner wall of the base, and the outer wall of the rotating plate is rotatably connected to the inner wall of the fixed table.
[0020] As a further description of the above technical solution:
[0021] The inner wall of the clamping jaw is provided with a plurality of sliding grooves, and the outer wall of the spiral line is slidably connected to the inner wall of the sliding groove.
[0022] The utility model has the advantages of the following beneficial effects:
[0023] 1、In the utility model, the rotating motor is started at this time, the starting of the rotating motor drives the bevel gear to rotate, the rotation of the bevel gear drives the gear ring to rotate, the rotation of the gear ring drives the rotating plate to rotate, thereby driving the spiral line at the top to rotate, the rotation of the spiral line drives the clamping jaw slidably connected outside the spiral line to approach the middle, so as to accurately position the object to be processed, for example, six-ribbed screws, at the center, which can adapt to different diameter processing materials and also can more accurately play a positioning effect.
[0024] 2. In the utility model, the driving motor is started, the starting of the driving motor drives the rotating rod to rotate, the rotation of the rotating rod drives the rotating gear to rotate and drives the annular rack meshed with the rotating gear to rotate, the rotation of the annular rack drives the rotating table at the top to rotate and drives the mounting plate at the top to rotate, the positioning clamp at the top is rotated, the clamping jaw clamped processing articles are processed in different directions, and the processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 The utility model provides a three -dimensional schematic view of adjustable fastener processing positioning clamp,
[0026] Figure 2 The utility model provides a structure schematic view of rotating plate of adjustable fastener processing positioning clamp,
[0027] Figure 3 The utility model provides a structure schematic view of helical line of adjustable fastener processing positioning clamp,
[0028] Figure 4 The utility model provides a structure schematic view of clamping jaw of adjustable fastener processing positioning clamp,
[0029] Figure 5 The utility model provides a structure schematic view of rotating gear of adjustable fastener processing positioning clamp.
[0030] LEGEND:
[0031] 1, fixed table, 2, mounting plate, 3, helical line, 4, clamping jaw, 5, sliding groove, 6, bevel gear, 7, rotating plate, 8, gear ring, 9, rotating column, 10, base, 11, rotating gear, 12, rotating rod, 13, driving motor, 14, rotating motor, 15, rotating table, 16, annular rack. DETAILED DESCRIPTION
[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0033] REFERENCE Figures 1 to 3The utility model provides an embodiment: adjustable fastener processing positioning fixture, the top rotationally connected with helical line 3 has of fixed platform 1, when needing to use processing positioning device, the motor 14 of rotation is started and drives the bevel gear 6 connected with it to rotate, the bevel gear 6 rotation drives the gear ring 8 rotation, further drives the rotating plate 7 rotation, the rotating plate 7 rotation drives helical line 3 rotation, the outer wall of helical line 3 is slidably connected with a plurality of clamping jaw 4, when helical line 3 rotates, the sliding slot 5 of the inside of clamping jaw 4 is slid on the outside of helical line 3, thereby drives clamping jaw 4 to the middle close, can accurately position the article such as six edge screw etc. in center and need to process, facilitate the accurate processing of fastener subsequently.
[0034] The bottom of helical line 3 is fixedly connected with rotating plate 7, the bottom of rotating plate 7 is fixedly connected with gear ring 8, the inner wall of fixed platform 1 is rotationally connected with a plurality of bevel gears 6, the outer wall of a plurality of bevel gears 6 is meshingly connected with the bottom of gear ring 8, by this gear meshing structure, can effectively transmit power, realize the rotation of helical line 3.The bottom of fixed platform 1 has the adjusting assembly for adjusting the horizontal direction of positioning fixture, the bottom of rotating plate 7 is fixedly connected with rotating column 9, the bottom of rotating column 9 is rotationally connected in the inner wall of fixed platform 1, and stable support is provided for the rotation of rotating plate 7.The inner wall of clamping jaw 4 is provided with a plurality of sliding grooves 5, and the outer wall of helical line 3 is slidably connected in the inner wall of sliding groove 5, and the sliding connection mode ensures that clamping jaw 4 can move along with the rotation of helical line 3.
[0035] Refer to Figures 3 to 5 The rotating assembly includes mounting plate 2, the bottom of mounting plate 2 is fixedly connected in the bottom of fixed platform 1, the bottom of mounting plate 2 is fixedly connected with rotating table 15, when processing, if cutting assembly or the mechanical assembly of processing needs to be processed in different directions, drive motor 13 is started, drives rotating rod 12 to rotate, rotating rod 12 rotation drives the rotation of bevel gear 11, bevel gear 11 rotation drives the rotation of annular rack 16 meshed with it, further drives the rotation of rotating table 15.The bottom of rotating table 15 is fixedly connected with annular rack 16, the outer wall of rotating table 15 is rotationally connected with base 10, the outer wall of fixed platform 1 is fixedly connected with rotating motor 14, and the driving end of rotating motor 14 is fixedly connected in the outer wall of annular rack 16.
[0036] The inner wall of the base 10 is fixedly connected with a driving motor 13, the driving end of the driving motor 13 is fixedly connected with a rotating rod 12, the outer wall of the rotating rod 12 is fixedly connected with a rotating gear 11, the outer wall of the rotating gear 11 is meshingly connected with the inner wall of the annular gear rack 16, through a series of transmission structures, the rotation of the rotating table 15 is realized. The outer wall of the rotating table 15 is rotatably connected to the inner wall of the base 10, the outer wall of the rotating plate 7 is rotatably connected to the inner wall of the fixed table 1, the rotating table 15 drives the top mounting plate 2 to rotate, so that the top positioning clamp rotates, so that the clamping jaw 4 can process the workpiece in different directions, improving the processing efficiency.
[0037] Working principle: when the machining positioning device needs to be used, the rotating motor 14 is started at this time, the starting of the rotating motor 14 drives the bevel gear 6 to rotate, the rotation of the bevel gear 6 drives the gear ring 8 to rotate, the rotation of the gear ring 8 drives the rotating plate 7 to rotate, at this time the rotation of the rotating plate 7 drives the top helical line 3 to rotate, the rotation of the helical line 3 slides in the sliding groove 5 inside the clamping jaw 4 outside the helical line 3, so as to drive the clamping jaw 4 connected outside the helical line 3 to move towards the center, so as to accurately position the workpiece to be machined, such as a six-sided screw, in the center, facilitating subsequent machining of the fastener, and accurate center positioning can realize subsequent accurate machining.
[0038] However, during machining, the cutting assembly or the mechanical assembly to be machined needs to be machined in different directions, at which time a rotating assembly for adjusting the angle needs to be added, at which time the driving motor 13 is started, the starting of the driving motor 13 drives the rotating rod 12 to rotate, the rotation of the rotating rod 12 drives the rotating gear 11 to rotate, the rotation of the rotating gear 11 drives the annular gear rack 16 meshed therewith to rotate, the rotation of the annular gear rack 16 drives the top rotating table 15 to rotate, the rotation of the rotating table 15 drives the top mounting plate 2 to rotate, so that the top positioning clamp rotates, so that the clamping jaw 4 clamped workpiece is machined in different directions, thereby improving the machining efficiency.
[0039] Finally, it should be pointed out that: the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An adjustable fastener machining positioning fixture comprising a fixed table (1), characterized in that: The top of the fixed platform (1) is rotationally connected with a helix (3), the outer wall of the helix (3) is slidably connected with a plurality of clamping jaws (4), the bottom of the helix (3) is fixedly connected with a rotating plate (7), the bottom of the rotating plate (7) is fixedly connected with a gear ring (8), the inner wall of the fixed platform (1) is rotationally connected with a plurality of bevel gears (6), the outer wall of the plurality of bevel gears (6) and the bottom of the gear ring (8) are meshingly connected with each other, and the bottom of the fixed platform (1) is provided with an adjusting assembly for adjusting the horizontal direction of the positioning clamp.
2. The adjustable fastener machining positioning fixture of claim 1, wherein: The adjusting assembly comprises a mounting plate (2), the top of the mounting plate (2) is fixedly connected to the bottom of the fixed platform (1), the bottom of the mounting plate (2) is fixedly connected with a rotating table (15), the bottom of the rotating table (15) is fixedly connected with a ring-shaped rack (16), and the outer wall of the rotating table (15) is rotationally connected with a base (10).
3. The adjustable fastener machining positioning fixture of claim 2, wherein: The outer wall of the fixed platform (1) is fixedly connected with a rotating motor (14), and the driving end of the rotating motor (14) is fixedly connected to the outer wall of the ring-shaped rack (16).
4. The adjustable fastener machining positioning fixture of claim 1, wherein: The bottom of the rotating plate (7) is fixedly connected with a rotating column (9), and the bottom of the rotating column (9) is rotationally connected to the inner wall of the fixed platform (1).
5. The adjustable fastener machining positioning fixture of claim 2, wherein: The inner wall of the base (10) is fixedly connected with a driving motor (13), and the driving end of the driving motor (13) is fixedly connected with a rotating rod (12).
6. The adjustable fastener machining positioning fixture of claim 5, wherein: The outer wall of the rotating rod (12) is fixedly connected with a rotating gear (11), and the outer wall of the rotating gear (11) is meshingly connected with the inner wall of the ring-shaped rack (16).
7. The adjustable fastener machining positioning fixture of claim 2, wherein: The outer wall of the rotating table (15) is rotationally connected to the inner wall of the base (10), and the outer wall of the rotating plate (7) is rotationally connected to the inner wall of the fixed platform (1).
8. The adjustable fastener machining positioning fixture of claim 1, wherein: The inner wall of the clamping jaw (4) is provided with a plurality of sliding grooves (5), and the outer wall of the helix (3) is slidably connected to the inner wall of the sliding groove (5).