Bolt clamping tool

Abstract

The utility model relates to the technical field of clamping tools, in particular to a bolt clamping tool which comprises a workbench assembly, a driven assembly, an outer hexagon bolt and a cylindrical inner hexagon bolt, the upper end of the workbench assembly is fixedly connected with the driven assembly, the outer hexagon bolt is fixedly clamped on one side of the driven assembly, and the upper end of the driven assembly is fixedly connected with a clamping assembly. The workbench assembly comprises a machine table, the upper end of the machine table is fixedly connected with an electric telescopic rod, the inner side, close to the upper end, of the machine table is provided with a dovetail sliding groove, the upper surface of the workbench assembly is fixedly connected with a magnetic block, the driven assembly comprises a folded plate, the bottom end of the folded plate is fixedly connected with a dovetail sliding block, and one side of the folded plate is fixedly connected with a guide column and a spring. When the device is used for fixing a bolt, the attaching area of the device and the head of the bolt can be enlarged, and the risk that the head of the bolt deforms or is damaged due to excessive concentrated stress is remarkably reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping frock technical field, concretely is a kind of bolt clamping frock. BACKGROUND

[0002] Bolt clamping frock is a kind of device specially used in assembly, processing, detection etc. Process firm clamping bolt, it usually has the clamping part matched with the shape of bolt head, can accurately fix bolt, prevent its rotation, displacement etc. In operation process, to ensure the installation accuracy of bolt, processing quality and detection accuracy;

[0003] When processing equipment carries out cutting to bolt, cutting force will be generated, if bolt is not clamped and fixed, cutting force can make bolt vibrate, and this vibration can make the contact of tool and bolt unstable, lead to the problems such as corrugation, roughness increase of processing surface;

[0004] In prior art, in order to fix bolt of multiple specifications head, usually adopt flat clamping plate to fix, although this fixing mode can adjust to the shape of bolt head, but it is not friendly when fixing cylindrical inner hexagonal bolt, because the contact area is small when flat clamping plate is fixed to cylindrical outer edge, so that the local holding force of bolt is larger when ensuring firm, and it is easy to lead to deformation or damage of bolt head, affect service life and connection reliability of bolt, therefore, aiming at the above problems, a kind of bolt clamping frock is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of bolt clamping frock, to solve the problem that the area of contact is small when flat clamping plate is fixed to cylindrical outer edge, so that the local holding force of bolt is larger when ensuring firm, and it is easy to lead to deformation or damage of bolt head, affect service life and connection reliability of bolt.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a bolt clamping frock, including workstation assembly, passive component, outside hexagonal bolt and cylinder internal hexagonal bolt, workstation assembly upper end fixedly connected with passive component, passive component one side clamping has outside hexagonal bolt, passive component upper end fixedly connected with clamping component, workstation assembly includes machine table, machine table upper end fixedly connected with electric telescopic handle, the inboard of machine table is close to upper end and is equipped with swallow tail sliding groove, workstation assembly upper surface fixedly connected with magnetic block, passive component includes folding plate, folding plate bottom fixedly connected with swallow tail sliding block, folding plate one side fixedly connected with guide post and spring, folding plate inboard is equipped with built -in rail groove, the built -in rail groove that folding plate is equipped slides and is connected with rail plate inboard, rail plate inboard is equipped with guide straight hole, rail plate top fixedly connected with reinforcing plate, clamping component includes vertical rod, vertical rod one side fixedly connected with steel sheet, the one end of steel sheet is close to outside hexagonal bolt and is equipped with stripe, the stripe that vertical rod is equipped with fixedly connected with rubber strip inboard, electric telescopic handle one side with folding plate one side fixedly connected, reinforcing plate one side with vertical rod one side fixedly connected.

[0008] As the further optimization of the utility model, the swallow tail sliding groove is in the shape of a trapezoidal body, the number of the swallow tail sliding grooves is two, and the swallow tail sliding grooves penetrate through the upper end of the machine table.

[0009] As the further optimization of the utility model, the swallow tail sliding block is in the shape of a trapezoidal body, the inboard of the swallow tail sliding groove provided on the machine table is in sliding connection with the outboard of the swallow tail sliding block, the number of the swallow tail sliding blocks is the same as the number of the swallow tail sliding grooves, and the bottom end of the folding plate is attached to the upper end of the machine table.

[0010] As the further optimization of the utility model, the top end of the magnetic block is attached to the bottom end of the outside hexagonal bolt, the number of the electric telescopic handles is two, and the electric telescopic handles are fixed to the front end and the rear end of the machine table.

[0011] As the further optimization of the utility model, the folding plate is in the shape of a U-shaped body, the spring is sleeved on the outboard of the guide post, the number of the guide posts is the same as the number of the springs, and one end of the spring is fixedly connected to one end of the rail plate.

[0012] As the further optimization of the utility model, the guide straight hole penetrates through the inboard of the rail plate from front to back, the outboard of the guide post is in sliding connection with the inboard of the guide straight hole, the limit sliding blocks are fixed to the left side and the right side of the rail plate, the rail plate is embedded in the inboard of the folding plate, and the reinforcing plate protrudes from the upper end of the folding plate.

[0013] As the further optimization of the utility model, wherein: the number of the clamping assembly is same with the number of the passive assembly, the outer side of the rubber strip is attached with the outer side of the lower end of the outer hexagonal bolt, the outer side of the rubber strip protrudes the steel plate, the number of the stripe is same with the number of the rubber strip, the one side of the steel plate is attached with the outer side of the lower end of the outer hexagonal bolt.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the bolt clamping tool can automatically adjust the deformation of the structure according to the specific form and size of the bolt head when fixing the bolt, thereby expanding the attachment area with the bolt head, significantly reducing the risk of deformation or damage of the bolt head caused by excessive concentrated stress, and achieving the purpose of improving the overall production qualified rate of products. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the machine table structure schematic view of the utility model;

[0018] Figure 3 It is the magnetic block structure schematic view of the utility model;

[0019] Figure 4 It is the folding plate structure schematic view of the utility model;

[0020] Figure 5 It is the passive assembly structure schematic view of the utility model;

[0021] Figure 6 It is the clamping assembly structure schematic view of the utility model.

[0022] In the drawing: 1, workbench assembly; 11, machine table; 12, electric telescopic rod; 13, dovetail sliding groove; 14, magnetic block;

[0023] 2, passive assembly; 21, folding plate; 22, dovetail sliding block; 23, guide column; 24, spring; 25, built-in rail groove; 26, rail plate; 27, guide straight hole; 28, reinforcing plate;

[0024] 3, outer hexagonal bolt; 4, cylindrical inner hexagonal bolt;

[0025] 5, clamping assembly; 51, vertical rod; 52, steel plate; 53, stripe; 54, rubber strip. DETAILED DESCRIPTION

[0026] Clearly, the embodiments described 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 skilled in the art without creative labor fall within the scope of the present application.

[0027] It is to be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise, and it will be further understood that the terms "comprise" and / or "include" when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof.

[0028] Please refer to Figures 1-6 The present application provides a technical scheme:

[0029] A bolt clamping tool, comprising a workbench assembly 1, a passive assembly 2, an outer hexagonal bolt 3 and a cylindrical inner hexagonal bolt 4, the upper end of the workbench assembly 1 is fixedly connected with the passive assembly 2, the passive assembly 2 is clamped on one side with the outer hexagonal bolt 3, the upper end of the passive assembly 2 is fixedly connected with a clamping assembly 5, the workbench assembly 1 comprises a machine table 11, the upper end of the machine table 11 is fixedly connected with an electric telescopic rod 12, the inner side of the machine table 11 close to the upper end is provided with a dovetail sliding groove 13, the upper surface of the workbench assembly 1 is fixedly connected with a magnetic block 14, the passive assembly 2 comprises a folding plate 21, the bottom end of the folding plate 21 is fixedly connected with a dovetail sliding block 22, the folding plate 21 is fixedly connected with a guide column 23 and a spring 24 on one side, the inner side of the folding plate 21 is provided with a built-in rail groove 25, the built-in rail groove 25 provided in the folding plate 21 is slidably connected with a rail plate 26 on the inner side, the inner side of the rail plate 26 is provided with a guide straight hole 27, the top end of the rail plate 26 is fixedly connected with a reinforcing plate 28, the clamping assembly 5 comprises a vertical rod 51, the vertical rod 51 is fixedly connected with a steel plate 52 on one side, the steel plate 52 is provided with a stripe 53 close to one end of the outer hexagonal bolt 3, the stripe 53 provided in the vertical rod 51 is fixedly connected with a rubber strip 54 on the inner side, the electric telescopic rod 12 is fixedly connected with the folding plate 21 on one side, and the reinforcing plate 28 is fixedly connected with the vertical rod 51 on one side.

[0030] As a further implementation of the present scheme, the dovetail sliding groove 13 is trapezoidal in shape, the number of dovetail sliding grooves 13 is two, the dovetail sliding groove 13 penetrates the upper end of the machine table 11, the dovetail sliding block 22 is trapezoidal in shape, the inside of the dovetail sliding groove 13 opened in the machine table 11 is in sliding connection with the outside of the dovetail sliding block 22, the number of dovetail sliding blocks 22 is the same as the number of dovetail sliding grooves 13, the bottom end of the flange plate 21 is attached to the upper end of the machine table 11, through the above setting, the passive assembly 2 and the clamping assembly 5 are limited when moving, and the stability of the external hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4 when clamping is improved.

[0031] As a further implementation of the present scheme, the top end of the magnetic block 14 is attached to the bottom end of the external hexagonal bolt 3, the number of electric telescopic rods 12 is two, the front end and the rear end of the machine table 11 are fixed with electric telescopic rods 12, through the above setting, through the magnetic attraction of the magnetic block 14 and the bolt, the bolt is temporarily limited, and the two clamping assemblies 5 are convenient for clamping the external hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4.

[0032] As a further implementation of the present scheme, the flange plate 21 is U-shaped in shape, the spring 24 is sleeved outside the guide column 23, the number of guide columns 23 is the same as the number of springs 24, one end of the spring 24 is fixedly connected with one end of the rail plate 26, the guide straight hole 27 penetrates the inside of the rail plate 26 from front to back, the outside of the guide column 23 slides in the inside of the guide straight hole 27, the left side and the right side of the rail plate 26 are fixedly connected with limit sliding blocks, the rail plate 26 is embedded in the inside of the flange plate 21, and the reinforcing plate 28 protrudes from the upper end of the flange plate 21. Through the above setting, the flange plate 21 can be moved outside the magnetic block 14 when the external hexagonal bolt 3 or the clamping assembly 5 is clamped, and whether the external hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4 is clamped stably can be judged by the elastic force of the spring 24 and the moving distance of the flange plate 21.

[0033] As a further implementation of the present scheme, the number of clamping assemblies 5 is the same as the number of passive assemblies 2, the outside of the rubber strip 54 is attached to the outside of the lower end of the external hexagonal bolt 3, the rubber strip 54 protrudes from the outside of the steel plate 52, the number of stripes 53 is the same as the number of rubber strips 54, and one side of the steel plate 52 is attached to the outside of the lower end of the external hexagonal bolt 3. Through the above setting, the deformation of the self-structure is automatically adjusted, thereby expanding the attachment area with the bolt head, and significantly reducing the risk of deformation or damage of the bolt head due to excessive concentrated stress.

[0034] Work flow: when fixing different shapes of bolts while preventing damage to the bolts, install the hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4 on the upper end of the magnetic block 14, place it, and then start the two electric telescopic rods 12 to drive the folding plate 21 and the dovetail sliding block 22 to move, the dovetail sliding block 22 is slidingly connected to the inner side of the dovetail sliding groove 13, through the design of the dovetail sliding groove 13 and the dovetail sliding block 22, the dovetail sliding block 22 can be prevented from being separated from the inside of the dovetail sliding groove 13, and at the same time, the direction of the movement of the folding plate 21 is limited, the movement of the folding plate 21 drives the overall movement of the clamping assembly 5, when the rubber strips 54 at both ends contact the head of the cylindrical internal hexagonal bolt 4, under the action of the reaction force, at this time, the steel plate 52 drives the reinforcing plate 28 and the rail plate 26 to move through the vertical rod 51, the rail plate 26 is slidingly connected to the inner side of the built-in rail groove 25, and the rail plate 26 is limited in the direction of movement, the guide straight hole 27 formed in the inner side of the rail plate 26 is slidingly arranged on the outer side of the guide column 23, and the stability of the rail plate 26 during movement is further improved, the rail plate 26 extrudes the spring 24, and through the elastic force of the spring 24, the rail plate 26 plays a buffering role when clamping the cylindrical internal hexagonal bolt 4 or the hexagonal bolt 3, and the clamping force of the cylindrical internal hexagonal bolt 4 is determined by the movement distance of the rail plate 26, according to Hooke's law, within the elastic limit, the tension of the spring is proportional to the deformation, the longer the deformation length of the spring 24 is, the greater the clamping force of the cylindrical internal hexagonal bolt 4 is, and at the same time, the steel plate 52 is deformed, the rubber strips 54 are deformed along with the steel plate 52, the vertical rod 51 is away from the head of the hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4, the head of the hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4 is clamped by the deformation and the front and rear movement of the rubber strips 54 alone, the deformation of the hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4 head is used by the deformation of the steel plate 52, thereby the clamping area of the hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4 head can be improved, the phenomenon that the hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4 is deformed or damaged due to excessive local pressure can be reduced, and the production qualification rate is improved, and the stability of the fixing of the hexagonal bolt 3 or the cylindrical internal hexagonal bolt 4 can be improved through the friction of the rubber strips 54.

[0035] 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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bolt clamping tool comprising a workbench assembly (1), a passive assembly (2), an external hexagonal bolt (3) and a cylindrical internal hexagonal bolt (4), characterized in that: The workbench assembly (1) upper end fixedly connected with passive assembly (2), one side of passive assembly (2) clamping has outer hexagonal bolt (3), the upper end of passive assembly (2) is fixedly connected with clamping assembly (5); The workbench assembly (1) includes machine table (11), the upper end of machine table (11) is fixedly connected with electric telescopic rod (12), the inner side of machine table (11) is close to the upper end and is provided with swallow tail sliding groove (13), the upper surface of workbench assembly (1) is fixedly connected with magnetic block (14), passive assembly (2) includes folding plate (21), the bottom of folding plate (21) is fixedly connected with swallow tail sliding block (22), one side of folding plate (21) is fixedly connected with guide column (23) and spring (24), the inner side of folding plate (21) is provided with built-in rail slot (25), the inner side of built-in rail slot (25) of folding plate (21) is slidably connected with rail plate (26), the inner side of rail plate (26) is provided with guide straight hole (27), the top of rail plate (26) is fixedly connected with reinforcing plate (28), clamping assembly (5) includes vertical rod (51), one side of vertical rod (51) is fixedly connected with steel plate (52), the end of steel plate (52) close to outer hexagonal bolt (3) is provided with stripe (53), the inner side of stripe (53) of vertical rod (51) is fixedly connected with rubber strip (54). One side of electric telescopic rod (12) is fixedly connected with one side of folding plate (21), one side of reinforcing plate (28) is fixedly connected with one side of vertical rod (51).

2. The bolt clamping tool of claim 1, wherein: The shape of swallow tail sliding groove (13) is trapezoidal body, the number of swallow tail sliding groove (13) is two, and the swallow tail sliding groove (13) penetrates the upper end of machine table (11).

3. The bolt clamping tool of claim 1, wherein: The shape of swallow tail sliding block (22) is trapezoidal body, the inner side of swallow tail sliding groove (13) of machine table (11) is slidably connected with the outer side of swallow tail sliding block (22), the number of swallow tail sliding block (22) is same as the number of swallow tail sliding groove (13), and the bottom of folding plate (21) is attached to the upper end of machine table (11).

4. The bolt clamping tool of claim 1, wherein: The top of magnetic block (14) is attached to the bottom of outer hexagonal bolt (3), the number of electric telescopic rod (12) is two, and the front end and the rear end of machine table (11) are fixedly connected with electric telescopic rod (12).

5. The bolt clamping tool of claim 1, wherein: The outer side of guide column (23) is sleeved with spring (24), the number of guide column (23) is same as the number of spring (24), and one end of spring (24) is fixedly connected with one end of rail plate (26).

6. The bolt clamping tool of claim 1, wherein: The front and back of guide straight hole (27) penetrates the inner side of rail plate (26), the outer side of guide column (23) is slidably connected in the inner side of guide straight hole (27), the left side and the right side of rail plate (26) are fixedly connected with limit sliding block, rail plate (26) is embedded in the inner side of folding plate (21), and reinforcing plate (28) protrudes from the upper end of folding plate (21).

7. The bolt clamping tool of claim 1, wherein: The number of the clamping assembly (5) is same as the number of the passive assembly (2), the outer side of the rubber strip (54) is attached to the outer side of the lower end of the outer hexagonal bolt (3), the rubber strip (54) protrudes the outer side of the steel plate (52), the number of the stripe (53) is same as the number of the rubber strip (54), one side of the steel plate (52) is attached to the outer side of the lower end of the outer hexagonal bolt (3).

Images