CN220863141U

CN220863141U - Firm centre gripping frock

Info

Publication number: CN220863141U
Application number: CN202322578328.9U
Authority: CN
Inventors: 李中华; 王红美; 唐浩
Original assignee: Nanjing Bailade Testing Equipment Co ltd
Current assignee: Nanjing Bailade Testing Equipment Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-04-30
Anticipated expiration: 2033-09-22

Abstract

The utility model discloses a stable clamping tool, which belongs to the technical field of tool clamps and comprises a welding table, wherein a moving block is arranged on the top surface of the welding table, a fixed box is sleeved on the periphery of the moving block, fixing holes are symmetrically formed in both sides of the moving block and the fixed box, matched bolts are arranged in inner cavities of the two fixing holes, a connecting plate is fixedly arranged on one side of the fixed box, a pin shaft is rotatably connected to the top surface of the connecting plate, a rotating plate is rotatably connected to the top end of the pin shaft, a clamping plate is arranged on the top surface of the rotating plate, a plurality of springs are connected to one side of the bottom surface of the clamping plate, free ends of the springs are connected to the top surface of the connecting plate, a sliding groove is formed in one side of the top surface of the welding table, a rotating handle is rotatably arranged on one side of the welding table, and a threaded shaft is fixedly connected to one side of the rotating handle. This firm centre gripping frock has solved the unable problem of carrying out angle adjustment after the work piece is fixed, improves the efficiency of firm centre gripping frock welding work piece.

Description

Firm centre gripping frock

Technical Field

The utility model belongs to the technical field of tool clamps, and particularly relates to a stable clamping tool.

Background

The tool fixture is a process device for quickly fastening workpieces during machining, so that a machine tool, a cutter and the workpieces keep correct relative positions, namely, the tool fixture is an indispensable component for machining, in the mechanical manufacturing industry, welding is a common connecting mode, the workpieces are required to be fixed in welding work to perform welding operation, but the existing welding clamping fixture cannot change the angle of welding required between two fixed workpieces, so that a worker needs to move the fixture to change the angle between the two workpieces to perform welding, and the efficiency of welding the workpieces is reduced.

For example, the existing Chinese patent number is: CN218427002U is a bone drill production and processing with centre gripping frock, its: the movable plate comprises a movable plate, a connecting block is fixedly connected to the top surface of the movable plate, a bidirectional screw rod is rotatably sleeved in the connecting block, the outer surface of the bidirectional screw rod is meshed with and sleeved with the movable block, a vertical plate is fixedly connected to the top surface of the movable block, and a clamping block is connected to the side wall of the vertical plate in a sliding manner. The movable block and the vertical plate are symmetrically arranged relative to the connecting block respectively, the bidirectional screw rod is rotationally connected with the inner side wall of the movable plate, the movable block is slidably connected with the inner side wall of the movable plate, and the vertical plate is slidably connected with the top surface of the movable plate. "

It is clear that the cited patent document has the problem that the angle adjustment cannot be performed on the fixed workpiece and the angle adjustment needs to be performed by moving the jig.

Disclosure of utility model

The utility model aims to provide a stable clamping tool for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a firm centre gripping frock, includes the welding bench, the top surface of welding bench is provided with the movable block, the week side cover of movable block is equipped with fixed box, the fixed orifices has all been seted up to the equal symmetry in both sides face of movable block and fixed box, and two of them the inner chamber of fixed orifices all is provided with the bolt of adapted, a side fixed mounting of fixed box has the connecting plate, the top surface of connecting plate rotates and is connected with the round pin axle, the top of round pin axle rotates and is connected with the swivel plate, the top surface of swivel plate is provided with the cardboard, one side fixedly connected with a plurality of springs of cardboard bottom surface, and a plurality of the free end of spring is connecting the top surface of connecting plate.

Preferably, a chute is formed in one side of the top surface of the welding table, a rotating handle is rotatably mounted on one side of the welding table, and a threaded shaft penetrates through the welding table and is fixedly connected with one side of the rotating handle.

Preferably, an air cylinder is fixedly arranged on the other side of the top surface of the welding table, a transverse plate is fixedly connected with a piston rod of the air cylinder, and a lifting plate is fixedly arranged on the bottom surface of the transverse plate.

Preferably, a pressing plate is arranged below the lifting plate, the top surface of the pressing plate is fixedly connected with a rotating column, and the free end of the rotating column is rotationally connected with the lifting bottom surface.

Preferably, the top surface of welding bench just is provided with the gear under the clamp plate, the top surface of gear runs through and is equipped with the pivot, the top fixedly connected with of pivot places the board.

Preferably, the top surface of welding bench just is located one side of gear and is provided with the auxiliary tooth that suits with the gear, the top surface of auxiliary tooth is equipped with the dwang, just the bottom of dwang runs through auxiliary tooth rotation and is being connected the top surface of welding bench.

Preferably, the fixed cover in week side of dwang is equipped with the rotary rod, one side of rotary rod top surface runs through and is equipped with the gomphosis pole, the top surface of welding bench and along the outside symmetry of auxiliary tooth be equipped with the gomphosis hole that the gomphosis pole was adapted.

Compared with the prior art, the utility model has the technical effects and advantages that:

This firm centre gripping frock pulls the cardboard, lets the cardboard and rotates the distance between the board and accord with welded work piece, places the work piece that needs welded at the top surface of rotating the board to rebound through the spring drives the cardboard and carries out the centre gripping to the work piece fixedly, and all sets up round pin axle and the rotating board through work piece top and below, can let the work piece rotate after fixed, and then selects different welding angle.

Through the setting of changeing handle and screw shaft, can drive the movable block through the screw hole and remove in the spout, make fixed box and movable block can remove at the top surface of welding bench to satisfy the welding of different length work pieces, improve the efficiency of firm centre gripping frock welding work piece.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the fixed box and the moving block of the present utility model;

FIG. 3 is a cross-sectional view of the connector plate and card of the present utility model;

FIG. 4 is a schematic view of the structure of the lift plate and the pressure plate of the present utility model;

FIG. 5 is a schematic view of the gear and placement plate of the present utility model;

fig. 6 is a schematic structural view of the auxiliary tooth and the fitting lever of the present utility model.

Reference numerals illustrate:

In the figure: 1. a welding table; 2. a fixed box; 3. a moving block; 4. a fixing hole; 5. a bolt; 6. a connecting plate; 7. a rotating plate; 8. a pin shaft; 9. a spring; 10. a clamping plate; 11. a lifting plate; 12. a cross plate; 13. a cylinder; 14. a pressing plate; 15. a rotating column; 16. a gear; 17. a rotating shaft; 18. placing a plate; 19. auxiliary teeth; 20. a rotating lever; 21. a rotating rod; 22. a fitting rod; 23. a support spring; 24. a fitting hole; 25. a rotating handle; 26. a chute; 27. a threaded shaft.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

The stable clamping tool as shown in fig. 1 to 6 comprises a welding table 1, wherein a moving block 3 is arranged on the top surface of the welding table 1, a fixed box 2 is sleeved on the periphery of the moving block 3, fixing holes 4 are symmetrically formed in two side surfaces of the moving block 3 and the fixed box 2, the inner cavities of the two fixing holes 4 are respectively provided with an adapted bolt 5, the bolts 5 are rotated, the bolts 5 are taken out of the fixing holes 4 and the fixed box 2 is pulled, the fixed box 2 can move up and down on the periphery of the moving block 3, a plurality of fixing holes 4 are overlapped and the bolts 5 are clamped in the fixing holes 4 again, so that the height of a workpiece to be welded can be adjusted, a connecting plate 6 is fixedly arranged on one side surface of the fixed box 2, a pin shaft 8 is rotationally connected to the top surface of the connecting plate 6, a rotating plate 7 is rotationally connected to the top surface of the pin shaft 8, a clamping plate 10 is arranged on the top surface of the rotating plate 7, a plurality of springs 9 are fixedly connected to one side of the bottom surface of the clamping plate 10, the free ends of the springs 9 are connected with the top surface of the connecting plate 6, a pin shaft 8 and a rotating plate 7 which are consistent with the connecting structure of the connecting plate 6 can be arranged on one side surface of the clamping plate 10 facing the connecting plate 6, the clamping plate 10 is driven to clamp and fix the workpiece placed on the top surface of the rotating plate 7 through the rebound of the springs 9 by dragging the clamping plate 10, the workpiece after being fixed can drive the two rotating plates 7 to rotate between the clamping plate 10 and the connecting plate 6 through the two pin shafts 8, so that the angle of the workpiece can be adjusted after being fixed, the bottom surface of the connecting plate 6 can be penetrated with a clamping groove, a plurality of clamping grooves are uniformly arranged on the bottom surface of the rotating plate 7 below along the circular track of the rotating plate 7, the inner cavities of the two clamping grooves are clamped with matched clamping rods, when the workpiece rotates to a proper angle, the clamping rod penetrates through the clamping groove of the connecting plate 6 and is clamped into the clamping groove of the rotating plate 7, so that the rotating plate 7 is fixed, shaking is avoided in the welding process, the limiting rods can be clamped on the two sides of the clamping rod, after the clamping rod is clamped into the clamping groove, the limiting rods are connected to the two side surfaces of the clamping rod, the clamping rod is fixed, and vibration generated in welding is prevented from falling off the clamping rod.

A chute 26 is formed in one side of the top surface of the welding table 1, a rotating handle 25 is rotatably mounted on one side of the welding table 1, a threaded shaft 27 is fixedly connected with one side of the rotating handle 25 in a penetrating mode through the welding table 1, a threaded hole matched with the threaded shaft 27 is formed in one side of the moving block 3 in a penetrating mode, the rotating handle 25 is rotated, the threaded shaft 27 is driven to rotate, the moving block 3 is driven to move through the threaded hole, and workpieces with different lengths can be met by the connecting plate 6.

The opposite side fixed mounting of welding bench 1 top surface has cylinder 13, and the piston rod fixedly connected with diaphragm 12 of cylinder 13, and the bottom surface fixed mounting of diaphragm 12 has lifter plate 11, and the below of lifter plate 11 is provided with clamp plate 14, and the top surface fixedly connected with column 15 of clamp plate 14, and the free end rotation of column 15 is connecting the bottom surface of lifter plate 11, drives diaphragm 12 through cylinder 13 and removes to drive lifter plate 11 and remove, let lifter plate 11 drive clamp plate 14 and column 15 carry out the centre gripping to the work piece that needs welded fixedly.

The top surface of welding bench 1 and be located the clamp plate 14 and be provided with gear 16 under, the top surface of gear 16 runs through and is equipped with pivot 17, and the top surface of welding bench 1 is being connected in the bottom rotation of pivot 17, the top fixedly connected with of pivot 17 places board 18, place another welded work piece on place board 18 top surface, and drive clamp plate 14 through cylinder 13 and move down, thereby carry out the centre gripping to the work piece, and rotate gear 16, let pivot 17 drive gear 16 rotate, thereby drive the work piece of placing board 18 top surface and rotate, and cooperate the swivel post 15, let firm centre gripping frock also can rotate under the work piece fixed state, thereby adjust suitable welded angle.

The top surface of welding bench 1 and be located one side of gear 16 and be provided with the auxiliary tooth 19 of gear 16 adaptation, the top surface of auxiliary tooth 19 is equipped with dwang 20, and the bottom of dwang 20 runs through auxiliary tooth 19 rotation and is connecting the top surface of welding bench 1, through dwang 20, thereby drive auxiliary tooth 19 and rotate, and then drive gear 16 through auxiliary tooth 19 and rotate, let the work piece adjustment angle of placing the top surface of board 18, the fixed cover in week side of dwang 20 is equipped with rotary rod 21, one side of rotary rod 21 top surface runs through and is equipped with gomphosis pole 22, and the top of gomphosis pole 22 runs through rotary rod 21 cover and is equipped with supporting spring 23, the top of welding bench 1 just is equipped with the gomphosis hole 24 that is with gomphosis pole 22 adaptation along the outside symmetry of auxiliary tooth 19, extrude supporting spring 23 through dragging gomphosis pole 22, and let gomphosis pole 22 take out from gomphosis hole 24, dwang 20, drive auxiliary tooth 19 and rotate gear 16, after the angle adjustment of work piece, let gomphosis pole 22 remove through supporting spring 23, let gomphosis pole 22 rebound, let gomphosis pole 22 remove, let gomphosis pole 22 block in order to fix the work piece 16, when fixing other position, and fix the work piece, and fix.

Working principle:

This firm centre gripping frock places the top surface at rotating plate 7 and placing plate 18 respectively with two work pieces that need weld to drag cardboard 10, thereby let the cardboard 10 and the distance between rotating plate 7 can satisfy not unidimensional work piece, and rebound through spring 9 drives cardboard 10 and fix the work piece, and then let two rotating plate 7 carry out the centre gripping to the both sides face of work piece and fix, can let the work piece carry out the adjustment of angle in fixing through two round pins 8, and drive diaphragm 12 through cylinder 13 and remove downwards, make diaphragm 12 drive lifter plate 11 and remove downwards, and then drive clamp plate 14 and carry out the centre gripping to another work piece and fix, and drive the work piece through steering column 15 and gear 16 and rotate in the fixed, thereby carry out the adjustment of angle in fixing, and rotate steering handle 25, drive screw spindle 27 through rotating, thereby drive movable block 3 through the screw hole and remove, thereby drive the work piece and carry out the removal at the top surface of welding bench 1, let two work pieces that need weld together, carry out the welding, avoid carrying out the adjustment of angle to the work piece after fixing, thereby improve firm work piece's laminating frock.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Firm centre gripping frock, firm centre gripping frock includes welding bench (1), its characterized in that: the welding bench is characterized in that a moving block (3) is arranged on the top surface of the welding bench (1), a fixed box (2) is sleeved on the periphery of the moving block (3), fixing holes (4) are symmetrically formed in two side surfaces of the moving block (3) and the fixed box (2), two of the fixing holes are formed in inner cavities of the fixing holes (4) respectively, a connecting plate (6) is fixedly arranged on one side surface of the fixed box (2), a pin shaft (8) is rotatably connected with the top surface of the connecting plate (6), a rotating plate (7) is rotatably connected with the top end of the pin shaft (8), a clamping plate (10) is arranged on the top surface of the rotating plate (7), a plurality of springs (9) are fixedly connected to one side of the bottom surface of the clamping plate (10), and the free ends of the springs (9) are connected with the top surface of the connecting plate (6).

2. The stable clamping tool according to claim 1, wherein: a chute (26) is formed in one side of the top surface of the welding table (1), a rotating handle (25) is rotatably arranged on one side surface of the welding table (1), and a threaded shaft (27) is fixedly connected with one side surface of the rotating handle (25) in a penetrating mode through the welding table (1).

3. The stable clamping tool according to claim 1, wherein: an air cylinder (13) is fixedly arranged on the other side of the top surface of the welding table (1), a transverse plate (12) is fixedly connected with a piston rod of the air cylinder (13), and a lifting plate (11) is fixedly arranged on the bottom surface of the transverse plate (12).

4. A stable clamping fixture according to claim 3, characterized in that: the lifting plate is characterized in that a pressing plate (14) for firmly clamping a workpiece is arranged below the lifting plate (11), a rotating column (15) is fixedly connected to the top surface of the pressing plate (14), and the free end of the rotating column (15) is rotatably connected with the bottom surface of the lifting plate (11).

5. The stable clamping tool according to claim 4, wherein: the welding bench is characterized in that a gear (16) is arranged on the top surface of the welding bench (1) and located right below the pressing plate (14), a rotating shaft (17) penetrates through the top surface of the gear (16), and a placing plate (18) is fixedly connected to the top end of the rotating shaft (17).

6. The stable clamping tool according to claim 5, wherein: the top surface of welding bench (1) and lie in one side of gear (16) be provided with auxiliary tooth (19) that gear (16) were adapted, the top surface of auxiliary tooth (19) is equipped with dwang (20), just the bottom of dwang (20) runs through auxiliary tooth (19) and rotates the top surface of connecting welding bench (1).

7. The stable clamping tool according to claim 6, wherein: the periphery of the rotating rod (20) is fixedly sleeved with a rotating rod (21), one side of the top surface of the rotating rod (21) is penetrated with a jogging rod (22), and jogging holes (24) matched with the jogging rod (22) are symmetrically formed in the top surface of the welding table (1) and along the outer sides of the auxiliary teeth (19).