Fixing device for articulated shaft inserted workpiece

By designing an automatic moving telescopic structure and a fixing mechanism, the problems of stability and positioning accuracy in the traditional articulated shaft insertion process for fixing workpieces are solved, achieving rapid and stable fixing of workpieces and improving production efficiency and positioning accuracy.

CN223719301UActive Publication Date: 2025-12-26GUANGDONG ZHONGWEI PRECISION TECH CO LTD
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Patent Information

Application Number
CN202423211373.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-26
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Traditional methods of fixing workpieces by inserting hinged shafts have problems such as cumbersome fixing process or inability to ensure the stability of the workpiece during processing, which affects production efficiency and positioning accuracy.

Method used

The pressing and fixing mechanisms, which employ an automatic telescopic structure, use a cylinder to drive a push plate to press the upper and lower covers together, and use the positioning slots of the arc groove and rod groove to fix the hinge shaft, ensuring the stability of the workpiece in the predetermined position.

Benefits of technology

It enables rapid workpiece fixation, improves stability and positioning accuracy, reduces operational difficulty and human error, and ensures stability during the processing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223719301U_ABST
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Abstract

The utility model discloses an articulated shaft insertion workpiece fixing device, relates to the technical field of insertion of articulated shafts of workpieces, and aims to solve the problem that the workpiece cannot be firmly locked at a preset position due to the fact that the workpiece is possibly slightly displaced in the machining process due to the existing unidirectional clamping, and adopts the following scheme that the articulated shaft insertion workpiece fixing device comprises a bottom plate, a downward pressing mechanism is connected to one end of the upper portion of the bottom plate and is of an automatic moving telescopic structure, a cushion block is correspondingly arranged at the lower end of the downward pressing mechanism, a workpiece is arranged above the cushion block and comprises an upper cover, a lower cover and a hinge shaft, and the hinge shaft is used for connecting and fixing the upper cover and the lower cover. The pressing device is novel in structure, the push plate is driven by the air cylinder to move up and down to push the upper cover and the lower cover tightly, the workpiece can be firmly fixed to the preset position in the pressing process in cooperation with a positioning notch in the manufacturing block, and shaking or deviation of any form is effectively prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece hinged axle insertion technology field especially relates to hinged axle insertion workpiece fixing device. BACKGROUND

[0002] In the complex process of machining and precision assembly, the stable fixing of hinged axle insertion workpiece plays a vital role, which not only directly relates to the performance of the final product, but also deeply affects the production efficiency and cost control.

[0003] However, the traditional fixing method is either screw rotation to fix and clamp the workpiece, which has good fixing effect but complicated process, prolongs the operation time and increases the labor cost, or clamping cylinder clamping, which can quickly fix but may cause small displacement of the workpiece during machining due to single direction clamping, so that the workpiece cannot be firmly locked in the predetermined position, the positioning accuracy cannot be guaranteed, and the subsequent machining process is affected. UTILITY MODEL CONTENTS

[0004] The hinged axle insertion workpiece fixing device provided by the utility model solves the existing problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: the hinged axle insertion workpiece fixing device comprises a bottom plate, a lower pressing mechanism is connected to one end of the upper side of the bottom plate, the lower pressing mechanism is an automatic moving telescopic structure, a pad is arranged at the lower end of the lower pressing mechanism, a workpiece is arranged above the pad, the workpiece comprises an upper cover, a lower cover and a hinge shaft, the hinge shaft is used for connecting and fixing the upper cover and the lower cover, a fixing mechanism is arranged on both sides of the workpiece, the fixing mechanism comprises a push rod and a plug rod, the push rod and the plug rod are telescopic moving structures, the push rod is used for moving and extending to fix the workpiece from one end, and the plug rod is used for moving and extending to push the hinge shaft into the upper cover and the lower cover to be connected and fixed.

[0006] Preferably, vertical columns are connected to one end of the upper side of the bottom plate, two vertical columns are arranged, and a long plate is connected to the upper side of the two vertical columns.

[0007] Preferably, the lower pressing mechanism comprises a vertical plate, a top plate is connected to the upper side of the vertical plate, guide rods are connected to the four corners of the top plate, a gas cylinder is connected to the upper side of the top plate, a push plate is connected to the lower end of the gas cylinder, and guide rods are connected to the four corners of the push plate.

[0008] Preferably, a square notch is formed in the upper side of the pad, the workpiece is placed in the square notch, a square hole is formed in one side of the square notch, and the push rod is connected to the inside of the square hole.

[0009] Preferably, the upper cover and the lower cover are placed parallel to each other, one end of the upper cover and the lower cover are clamped to each other, and the clamped end is provided with a hole, one end of the hole is connected with a hinge shaft, the workpiece further comprises a block, the block is placed above the cushion block, an arc-shaped groove is formed in the upper end of the block, the upper cover and the lower cover are connected in the arc-shaped groove, a rod groove is formed in one end of the upper end of the block, and the hinge shaft is placed in the rod groove.

[0010] Preferably, the fixing mechanism further comprises a first air cylinder, one end of the first air cylinder is connected with a first telescopic rod, one end of the first telescopic rod is connected with a first push block, and one end of the first push block is connected with a push rod.

[0011] Preferably, one end of the push rod is connected with a second push block, one end of the second push block is connected with a second telescopic rod, one end of the second telescopic rod is connected with a second air cylinder, the fixing mechanism further comprises a first operating knob and a second operating knob, and the first operating knob and the second operating knob are connected to the upper end of the bottom plate.

[0012] The device drives the push plate to move up and down to push and tighten the upper cover and the lower cover through the air cylinder, the positioning notch with the arc-shaped groove and the rod groove formed in the block is matched, the upper cover, the lower cover and the hinge shaft are placed in the positioning notch, the workpiece can be fixed in the predetermined position during the pressing process, any form of shaking or deviation is effectively prevented, the stability of the workpiece during the fixing process is improved, the accuracy of the positioning is ensured, the workpiece is quickly fixed, and the operation difficulty and the human error are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model.

[0014] Figure 2 It is a pressing mechanism schematic view of the utility model.

[0015] Figure 3 It is a cushion block schematic view of the utility model.

[0016] Figure 4 It is a workpiece schematic view of the utility model.

[0017] Figure 5 It is a fixing mechanism schematic view of the utility model.

[0018] The figure label: 1, bottom plate; 101, stand; 102, long plate; 2, pressing mechanism; 201, vertical plate; 202, top plate; 203, guide rod; 204, air cylinder; 205, push plate; 3, cushion block; 4, workpiece; 401, upper cover; 402, lower cover; 403, hinged shaft; 404, block; 405, arc-shaped groove; 406, rod groove; 5, fixing mechanism; 501, push rod; 502, insertion rod; 503, first air cylinder; 504, first telescopic rod; 505, first push block; 506, second push block; 507, second telescopic rod; 508, second air cylinder; 509, first operating knob; 510, second operating knob. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Referring to Figures 1-5 , the hinged shaft insertion workpiece fixing device comprises a bottom plate 1, one end above the bottom plate 1 is connected with a pressing mechanism 2, the pressing mechanism 2 is an automatic moving telescopic structure, a cushion block 3 is arranged at the lower end of the pressing mechanism 2, a workpiece 4 is arranged above the cushion block 3, the workpiece 4 comprises an upper cover 401, a lower cover 402 and a hinged shaft 403, the hinged shaft 403 is used for connecting and fixing the upper cover 401 and the lower cover 402, and fixing mechanisms 5 are arranged on both sides of the workpiece 4, the fixing mechanisms 5 comprise push rods 501 and insertion rods 502, the push rods 501 and the insertion rods 502 are telescopic moving structures, the push rods 501 are used for moving and extending from one end to fix the workpiece 4, and the insertion rods 502 are used for moving and extending from the other end to push the hinged shaft 403 into the upper cover 401 and the lower cover 402 to be connected and fixed.

[0021] Referring to Figure 2 , two stands 101 are vertically connected at one end above the bottom plate 1, a long plate 102 is connected above the two stands 101, the pressing mechanism 2 comprises a vertical plate 201, the vertical plate 201 is connected with a top plate 202 above, the top plate 202 is connected with guide rods 203 at four corners, an air cylinder 204 is connected above the top plate 202, a push plate 205 is connected at the lower end of the air cylinder 204, the push plate 205 is connected with the guide rods 203 at four corners, the push plate 205 is moved, and the push plate 205 is moved up and down along the guide rods 203 at four corners.

[0022] Referring to Figure 3 , Figure 4, The square notch is internally provided with a workpiece 4, and a square hole is formed on one side of the square notch, and a push rod 501 is connected in the square hole. The upper cover 401 and the lower cover 402 are placed in parallel, and one end of the upper cover 401 and the lower cover 402 is clamped, and a hole is formed on the clamped end, and a hinge shaft 403 is connected on one end of the hole. The workpiece 4 further comprises a block 404, and the block 404 is placed above the cushion block 3. An arc-shaped groove 405 is formed on the upper end of the block 404, and the upper cover 401 and the lower cover 402 are connected in the arc-shaped groove 405. A rod groove 406 is formed on one end of the upper end of the block 404, and the hinge shaft 403 is placed in the rod groove 406.

[0023] Referring to Figure 5 The fixing mechanism 5 further comprises a first air cylinder 503, and a first telescopic rod 504 is connected to one end of the first air cylinder 503. A first push block 505 is connected to one end of the first telescopic rod 504, and a push rod 501 is connected to one end of the first push block 505. A second push block 506 is connected to one end of the push rod 502, and a second telescopic rod 507 is connected to one end of the second push block 506. A second air cylinder 508 is connected to one end of the second telescopic rod 507. The first telescopic rod 504 drives the first push block 505, the first push block 505 drives the push rod 501, and one end of the push rod 501 tightly fixes one end of the workpiece 4. The second telescopic rod 507 drives the second push block 506, the second push block 506 drives the push rod 502, and one end of the push rod 502 pushes the hinge shaft 403 into the through hole of the upper cover 401 and the lower cover 402, and the upper cover 401 and the lower cover 402 are connected at one end.

[0024] Working principle: first, the upper cover 401 and the lower cover 402 are placed in parallel, and the upper cover 401 and the lower cover 402 are clamped at one end of the through hole, and the hinge shaft 403 is inserted into the through hole on one side. The upper cover 401 and the lower cover 402 are placed in the arc-shaped groove 405, the hinge shaft 403 is placed in the rod groove 406, and the block 404 is placed above the cushion block 3. The personnel press the first operating button 509, start the first air cylinder 503, the first air cylinder 503 drives the first telescopic rod 504 to stretch and retract, the first telescopic rod 504 drives the first push block 505, the first push block 505 drives the push rod 501 to tightly press the through hole of the upper cover 401 and the lower cover 402, and the air cylinder 204 drives the push plate 205 to press and fix the upper cover 401 and the lower cover 402. Press the second operating button 510 to drive the second air cylinder 508 to start the second telescopic rod 507, and the second telescopic rod 507 drives the second push block 506 to move, and the second push block 506 drives the push rod 502 to make the push rod 502 drive the hinge shaft 403. The hinge shaft 403 is pushed into the clamped through hole of the upper cover 401 and the lower cover 402, and the machining is completed.

[0025] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. A hinged shaft insertion workpiece fixing device comprising a base plate (1), characterized in that, The bottom plate (1) is connected with a pressing mechanism (2) at one end, the pressing mechanism (2) is an automatic telescopic structure, a cushion block (3) is arranged at the lower end of the pressing mechanism (2), a workpiece (4) is arranged above the cushion block (3), the workpiece (4) comprises an upper cover (401), a lower cover (402) and a hinge shaft (403), the hinge shaft (403) is used for connecting and fixing the upper cover (401) and the lower cover (402), fixing mechanisms (5) are arranged on both sides of the workpiece (4), the fixing mechanisms (5) comprise push rods (501) and inserting rods (502), the push rods (501) and the inserting rods (502) are telescopic structures, the push rods (501) are used for moving and extending to fix the workpiece (4) at one end, and the inserting rods (502) are used for moving and extending to push the hinge shaft (403) into the upper cover (401) and the lower cover (402) at the other end.

2. The articulating shaft splicing fixture of claim 1, wherein, The bottom plate (1) is connected with a pressing mechanism (2) at one end, the pressing mechanism (2) is an automatic telescopic structure, a cushion block (3) is arranged at the lower end of the pressing mechanism (2), a workpiece (4) is arranged above the cushion block (3), the workpiece (4) comprises an upper cover (401), a lower cover (402) and a hinge shaft (403), the hinge shaft (403) is used for connecting and fixing the upper cover (401) and the lower cover (402), fixing mechanisms (5) are arranged on both sides of the workpiece (4), the fixing mechanisms (5) comprise push rods (501) and inserting rods (502), the push rods (501) and the inserting rods (502) are telescopic structures, the push rods (501) are used for moving and extending to fix the workpiece (4) at one end, and the inserting rods (502) are used for moving and extending to push the hinge shaft (403) into the upper cover (401) and the lower cover (402) at the other end.

3. The articulating shaft splicing fixture of claim 1, wherein, The bottom plate (1) is connected with a pressing mechanism (2) at one end, the pressing mechanism (2) is an automatic telescopic structure, a cushion block (3) is arranged at the lower end of the pressing mechanism (2), a workpiece (4) is arranged above the cushion block (3), the workpiece (4) comprises an upper cover (401), a lower cover (402) and a hinge shaft (403), the hinge shaft (403) is used for connecting and fixing the upper cover (401) and the lower cover (402), fixing mechanisms (5) are arranged on both sides of the workpiece (4), the fixing mechanisms (5) comprise push rods (501) and inserting rods (502), the push rods (501) and the inserting rods (502) are telescopic structures, the push rods (501) are used for moving and extending to fix the workpiece (4) at one end, and the inserting rods (502) are used for moving and extending to push the hinge shaft (403) into the upper cover (401) and the lower cover (402) at the other end.

4. The articulating shaft splicing fixture of claim 1, wherein, The bottom plate (1) is connected with a pressing mechanism (2) at one end, the pressing mechanism (2) is an automatic telescopic structure, a cushion block (3) is arranged at the lower end of the pressing mechanism (2), a workpiece (4) is arranged above the cushion block (3), the workpiece (4) comprises an upper cover (401), a lower cover (402) and a hinge shaft (403), the hinge shaft (403) is used for connecting and fixing the upper cover (401) and the lower cover (402), fixing mechanisms (5) are arranged on both sides of the workpiece (4), the fixing mechanisms (5) comprise push rods (501) and inserting rods (502), the push rods (501) and the inserting rods (502) are telescopic structures, the push rods (501) are used for moving and extending to fix the workpiece (4) at one end, and the inserting rods (502) are used for moving and extending to push the hinge shaft (403) into the upper cover (401) and the lower cover (402) at the other end.

5. The articulating shaft splicing fixture of claim 1, wherein, The bottom plate (1) is connected with a pressing mechanism (2) at one end, the pressing mechanism (2) is an automatic telescopic structure, a cushion block (3) is arranged at the lower end of the pressing mechanism (2), a workpiece (4) is arranged above the cushion block (3), the workpiece (4) comprises an upper cover (401), a lower cover (402) and a hinge shaft (403), the hinge shaft (403) is used for connecting and fixing the upper cover (401) and the lower cover (402), fixing mechanisms (5) are arranged on both sides of the workpiece (4), the fixing mechanisms (5) comprise push rods (501) and inserting rods (502), the push rods (501) and the inserting rods (502) are telescopic structures, the push rods (501) are used for moving and extending to fix the workpiece (4) at one end, and the inserting rods (502) are used for moving and extending to push the hinge shaft (403) into the upper cover (401) and the lower cover (402) at the other end.

6. The articulating shaft splicing fixture of claim 1, wherein, ​ 7. The articulating shaft splicing fixture of claim 1, wherein One end of the insertion rod (502) is connected with a second push block (506), one end of the second push block (506) is connected with a second telescopic rod (507), one end of the second telescopic rod (507) is connected with a second air cylinder (508), the fixing mechanism (5) further comprises a first operating knob (509) and a second operating knob (510), the first operating knob (509) and the second operating knob (510) are connected to the two sides of the upper end of the bottom plate (1).