Single-cylinder manual pin extension belt clamping mechanism

By using a single-cylinder manual extension pin clamping mechanism, the problems of high cost and large-area positioning and clamping in existing technologies are solved, achieving efficient positioning and clamping of small parts and low-cost production.

CN223849089UActive Publication Date: 2026-01-30TIANJIN TQM BODY EQUIP TECH CO LTD
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Patent Information

Application Number
CN202520524746.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-01-30
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

In the existing technology, the use of a three-guide rod cylinder structure for positioning and clamping of positioning pins is costly and requires a large positioning and clamping area, making it difficult to meet the positioning and clamping needs of small parts.

Method used

The single-cylinder manual extension pin clamping mechanism is adopted. The positioning pin and the clamping arm are driven by the pusher to achieve positioning and clamping of the plate. The structure is simple, space-saving and low cost.

Benefits of technology

It achieves efficient positioning and clamping of small plates, reduces the positioning and clamping area, lowers costs, and improves the coordination and stability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a single-cylinder manual pin extension belt clamping mechanism which comprises a connecting plate, a fixing block is arranged at the top of the connecting plate, a supporting block is fixedly connected to the left side of the fixing block, the upper end of the supporting block extends rightwards to the position above the fixing block, and a second pressing block is fixedly connected to the right side of the fixing block. The lower portion of the rear side of the connecting plate is connected with a pressing arm through a rotating piece, the upper portion of the front side of the pressing arm is connected with a first pressing block, the bottom of the connecting plate is provided with a pushing piece which pushes the plate upwards so as to be matched with the pressing arm to fix the plate, and one side of the connecting plate is provided with a connecting piece used for being connected with a base plate. The positioning pin moves upwards and is matched with the first pressing block fixed to the surface of the pressing arm to position and clamp the plate, the structure is simple, operation is easy, the needed positioning and clamping area is small, and positioning and clamping of the small plate can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to single cylinder manual stretch pin belt clamping mechanism technical field, concretely is a single cylinder manual stretch pin belt clamping mechanism. BACKGROUND

[0002] The body panel is each part of the automobile body, which is combined together through welding, riveting, bolt connection and the like to form the automobile body structure, and at the same time, the body panel is usually made of high-strength steel, aluminum alloy and the like to meet the safety, comfort and economy requirements of the automobile.

[0003] In actual use, when a small panel needs to be manually loaded and positioned and clamped at the same time, a movable positioning pin and a clamping mechanism need to be used. Such a situation has been positioned by a three-guide-rod cylinder structure for positioning pins, and then clamped by a clamping cylinder. This structure uses two cylinders, which is relatively high in cost, and the area required for positioning and clamping is large. Once the panel is small, it may not be used. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a single cylinder manual stretch pin belt clamping mechanism to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] A single cylinder manual stretch pin belt clamping mechanism, comprising a connecting plate, a fixed block is arranged on the top of the connecting plate, a support block is fixedly connected to the left side of the fixed block, the upper end of the support block extends to the upper side of the fixed block to the right side, a second pressing block is fixedly connected to the right side of the fixed block, a pressing arm is connected to the lower rear side of the connecting plate through a rotating piece, a first pressing block is connected to the upper front side of the pressing arm, a handle is fixedly connected to the upper outer side of the pressing arm, a pushing piece is arranged at the bottom of the connecting plate to push the panel upwards and fix the panel with the pressing arm, and a connecting piece for connecting the base plate is arranged on one side of the connecting plate.

[0007] As a preferred technical scheme, the rotating piece comprises a fixed plate embedded in the rear lower side of the connecting plate, a protrusion is arranged in the middle rear side of the fixed plate, accommodating grooves are formed in the bottom of both sides of the pressing arm, shaft pins are fixedly inserted into the inner cavities of the two groups of accommodating grooves, and the protrusion in the middle rear side of the fixed plate is rotatably sleeved on the surface of the shaft pin inside the front accommodating groove.

[0008] As a preferred technical scheme, the pushing piece comprises a cylinder fixedly installed at the bottom of the connecting plate, a circular block fixedly connected to the telescopic end of the cylinder, a positioning pin fixedly connected to the top of the circular block, a shaft sleeve slidingly sleeved at the neck of the positioning pin, and the shaft sleeve being upwardly inserted into the middle portion of the fixed block, and the telescopic end of the cylinder is provided with a connecting assembly for connecting the pressing arm.

[0009] As a preferred technical scheme, the connecting piece comprises a connecting block fixedly installed at the left side of the connecting plate, the connecting block is in L-shaped arrangement, a fixing seat for connecting the base plate is fixedly installed at the front side of the connecting block, and the first adjusting gasket is arranged between the connecting block and the fixing seat.

[0010] As a preferred technical scheme, the connecting assembly comprises a second connecting strip fixedly sleeved at the neck of the cylinder, a first connecting strip rotatably connected to the end portion of the second connecting strip through a shaft pin, and the other end of the first connecting strip is rotatably sleeved on the surface of the shaft pin inside the rear accommodating groove.

[0011] As a preferred technical scheme, the second adjusting gasket is arranged between the supporting block and the fixed block, and the third adjusting gasket is arranged between the surface of the pressing arm and the surface of the first pressing block.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、Through the setting of the pushing piece, the cylinder is controlled to be extended, so that the positioning pin is driven to move upward, and the first pressing block fixed on the surface of the pressing arm is cooperated to position and clamp the plate piece, which not only has simple structure and is easy to operate, but also needs smaller positioning and clamping area, can realize positioning and clamping of smaller plate pieces, simultaneously, the setting of single cylinder not only saves space, but also has low overall cost, and is beneficial to production.

[0014] 2、Through the setting of the connecting assembly, the shaft pin is rotatably connected with the first connecting strip, the other end of the first connecting strip is rotatably sleeved on the surface of the shaft pin inside the rear accommodating groove, stable and reliable connection between the cylinder and the pressing arm is realized, simultaneously, the cylinder can accurately drive the pressing arm to synchronously act when the cylinder acts, and the coordination and stability of the whole device action are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of a single-cylinder manual extension pin with clamping mechanism of the utility model;

[0016] Fig. 2 It is a structural schematic view after the connecting plate is removed of the utility model;

[0017] Fig. 3 It is a structural schematic view of another perspective of the utility model.

[0018] In the drawings:

[0019] 1, fixed seat; 101, first pressing block; 102, shaft pin; 103, first connecting strip; 104, pressing arm; 105, second pressing block; 106, containing groove;

[0020] 2, first adjusting washer; 3, connecting block; 4, connecting plate; 5, support block; 6, fixed block;

[0021] 7, fixed plate; 701, second adjusting washer; 702, handle; 703, third adjusting washer;

[0022] 8, second connecting strip;

[0023] 9, round block; 901, air cylinder; 902, shaft sleeve;

[0024] 10, positioning pin. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figs. 1-3 The embodiment provides a single-cylinder manual pin extending device with clamping mechanism, which comprises a connecting plate 4, a fixed block 6 is arranged on the top of the connecting plate 4, a support block 5 is fixedly connected to the left side of the fixed block 6, the upper end of the support block 5 extends to the upper side of the fixed block 6 to the right side, a second pressing block 105 is fixedly connected to the right side of the fixed block 6, a pressing arm 104 is connected to the lower rear side of the connecting plate 4 through a rotating piece, a first pressing block 101 is connected to the upper front side of the pressing arm 104, a handle 702 is fixedly connected to the upper outer side of the pressing arm 104, a pushing piece is arranged at the bottom of the connecting plate 4 to push the plate piece upward and fix the plate piece together with the pressing arm 104, and a connecting piece is arranged on one side of the connecting plate 4 to connect a base plate.

[0027] The pushing member comprises a pneumatic cylinder 901 fixedly installed at the bottom of the connecting plate 4, the telescopic end of the pneumatic cylinder 901 is fixedly connected with a circular block 9, the top of the circular block 9 is fixedly connected with a positioning pin 10, the neck of the positioning pin 10 is slidingly sleeved with a shaft sleeve 902, the shaft sleeve 902 is upwardly inserted into the middle portion of the fixed block 6, the telescopic end of the pneumatic cylinder 901 is provided with a connecting assembly for connecting the pressing arm 104, through the setting of the pushing member, the pneumatic cylinder 901 is controlled to extend, so as to drive the positioning pin 10 to move upward, and cooperate with the first pressing block 101 fixed on the surface of the pressing arm 104 to position and clamp the plate, which not only has a simple structure and is easy to operate, but also needs a smaller positioning and clamping area, and can realize the positioning and clamping of smaller plates, meanwhile, the setting of the single pneumatic cylinder 901 not only saves space, but also has a low overall cost, which is beneficial to production.

[0028] The second pressing block 105 is in L-shaped arrangement, and the upper end of the second pressing block 105 extends to the front side.

[0029] The rotating member comprises a fixed plate 7 embedded in the lower portion of the rear side of the connecting plate 4, the rear side of the middle portion of the fixed plate 7 is provided with a protrusion, the bottom of the two sides of the pressing arm 104 is provided with an accommodating groove 106, the inner cavities of the two groups of accommodating grooves 106 are fixedly inserted with shaft pins 102, the protrusion of the rear side of the middle portion of the fixed plate 7 is rotatably sleeved on the surface of the shaft pin 102 inside the front side accommodating groove 106, through the setting of the rotating member, the pressing arm 104 is flexibly rotated around the shaft pin 102, which has a simple structure design, is easy to install and maintain, and has good rotation stability, so as to ensure that the pressing arm 104 can accurately and smoothly act during operation.

[0030] The connecting member comprises a connecting block 3 fixedly installed on the left side of the connecting plate 4, the connecting block 3 is in L-shaped arrangement, and the front side of the connecting block 3 is fixedly installed with a fixed seat 1 for connecting the base plate, and the first adjusting gasket 2 is arranged between the connecting block 3 and the fixed seat 1, through the setting of the connecting member, the fixed seat 1 is used for connecting the base plate, which has a simple and stable structure.

[0031] The connecting assembly comprises a second connecting strip 8 fixedly sleeved on the neck of the pneumatic cylinder 901, the end of the second connecting strip 8 is rotatably connected with a first connecting strip 103 through a shaft pin 102, and the other end of the first connecting strip 103 is rotatably sleeved on the surface of the shaft pin 102 inside the rear side accommodating groove 106, through the setting of the connecting assembly, the shaft pin 102 is rotatably connected with the first connecting strip 103, and the other end of the first connecting strip 103 is rotatably sleeved on the surface of the shaft pin 102 inside the rear side accommodating groove 106, so as to realize the stable and reliable connection between the pneumatic cylinder 901 and the pressing arm 104, and ensure that the pneumatic cylinder 901 can accurately drive the pressing arm 104 to act synchronously when the pneumatic cylinder 901 acts, thereby enhancing the coordination and stability of the whole device.

[0032] The second adjusting gasket 701 is arranged between the support block 5 and the fixed block 6, and the surface of the pressing arm 104 and the surface of the first pressing block 101 are provided with the third adjusting gasket 703, the second adjusting gasket 701 can be arranged to finely adjust the relative position and angle between the support block 5 and the fixed block 6, so as to adapt to the stress requirement when fixing different plate parts, and optimize the mechanical properties of the overall structure.

[0033] Working principle;

[0034] Firstly, the plate part to be positioned and welded is placed on the top of the fixed block 6 and is located below the end of the second pressing block 105, then the handle 702 is manually pushed forward to drive the pressing arm 104 to rotate around the shaft pin 102, so as to drive the pressing arm 104 to preliminarily press the plate part;

[0035] Meanwhile, the first connecting strip 103 connected to the bottom of the pressing arm 104 drives the second connecting strip 8 to move upward together, and drives the circular block 9 to move upward, so that the positioning pin 10 on the top of the circular block 9 is lifted, since the neck part of the positioning pin 10 is sleeved with the shaft sleeve 902, and the shaft sleeve 902 is upwardly inserted into the middle part of the fixed block 6, the positioning pin 10 and the inner cavity of the shaft sleeve 902 are moved upward, and the plate part is pushed upward at the same time, and is fixed with the first pressing block 101 fixed on the surface of the pressing arm 104, then the worker performs the welding work on the plate part;

[0036] When the welding is completed, the telescopic end of the air cylinder 901 is retracted, so as to drive the positioning pin 10 to descend at the same time, and the pressing arm 104 is driven to rotate outward through the second connecting strip 8 and the first connecting strip 103, so as to release the fixation of the plate part.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A single cylinder hand operated pin lifter with a clamping mechanism, characterized in that, The utility model provides a kind of plate fixing device, including connecting plate (4), the top of connecting plate (4) is provided with fixed block (6), the left side of fixed block (6) is fixedly connected with support block (5), the upper end of support block (5) extends to the upper side of fixed block (6) right side, the right side of fixed block (6) is fixedly connected with second compression block (105), the rear lower portion of connecting plate (4) is connected with compression arm (104) by rotating part, the front upper portion of compression arm (104) is connected with first compression block (101), the outside upper portion of compression arm (104) is fixedly connected with handle (702), the bottom of connecting plate (4) is provided with pusher to push up plate element so as to cooperate with compression arm (104) and fix plate element, one side of connecting plate (4) is provided with connecting piece for connecting base plate.

2. A single cylinder manual pin push bench with clamping mechanism as claimed in claim 1 wherein: The rotating part includes fixed plate (7) inlaid in the rear lower portion of connecting plate (4), the rear middle portion of fixed plate (7) is provided with protrusion, the bottom of both sides of compression arm (104) is provided with containing groove (106), the inner cavity of two containing grooves (106) is fixedly inserted with shaft pin (102), the protrusion of the rear middle portion of fixed plate (7) is rotatably sleeved on the surface of shaft pin (102) inside front containing groove (106).

3. A single cylinder manual pin push bench according to claim 1, wherein: The pusher includes air cylinder (901) fixedly installed on the bottom of connecting plate (4), the telescopic end of air cylinder (901) is fixedly connected with circular block (9), the top of circular block (9) is fixedly connected with positioning pin (10), the neck of positioning pin (10) is slidably sleeved with shaft sleeve (902), the shaft sleeve (902) is upwardly inserted into the middle portion of fixed block (6), the telescopic end of air cylinder (901) is provided with connecting assembly for connecting compression arm (104).

4. A single cylinder manual pin push bench according to claim 1, wherein: The connecting piece includes connecting block (3) fixedly installed on the left side of connecting plate (4), the connecting block (3) is provided in L shape, the front side of connecting block (3) is fixedly installed with fixed seat (1) for connecting base plate, first adjusting washer (2) is arranged between connecting block (3) and fixed seat (1).

5. A single cylinder manual pin push bench according to claim 3, wherein: The connecting assembly includes second connecting strip (8) fixedly sleeved on the neck of air cylinder (901), the end of second connecting strip (8) is rotatably connected with first connecting strip (103) through shaft pin (102), the other end of first connecting strip (103) is rotatably sleeved on the surface of shaft pin (102) inside rear containing groove (106).

6. A single cylinder manual pin push bench according to claim 1, wherein: Second adjusting washer (701) is arranged between support block (5) and fixed block (6), third adjusting washer (703) is arranged on the surface of compression arm (104) and the surface of first compression block (101).