Adjustable clamping tool

Abstract

The utility model discloses an adjustable clamping tool, belongs to the technical field of clamping tools, and aims to solve the problems that in the clamping process of a clamp in the prior art, when a shaft rod type workpiece needs to be subjected to welding and direction adjustment, the workpiece needs to be detached from the clamp, a machining surface needs to be replaced, and then welding continues to be carried out; therefore, the problem that the clamping tool cannot achieve a good auxiliary effect is solved. Comprising a supporting bottom plate, a bearing table, moving plates and a fixing pipe, the bearing table is arranged above the supporting bottom plate, the bearing table and the supporting bottom plate are distributed in a spaced mode, a moving groove is horizontally formed in the middle of the bearing table, the moving plates are movably installed in the moving groove, and two sets of moving plates are symmetrically arranged at intervals; mounting frames are fixed to the two sides of the bearing table correspondingly, and pushing air cylinders are horizontally fixed to the interiors of the mounting frames. The adjustable clamping tool has the direction adjusting effect, the telescopic rod can continuously ascend and descend when stressed, the inner gear is driven in the forward direction and the reverse direction, then the function of adjusting the direction of a workpiece is achieved, and the principle is simple and easy to achieve.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamping tooling, and in particular relates to an adjustable clamping tooling. Background Art

[0002] A mechanical clamping tool is a tool device used to fix, clamp or support a workpiece. It is usually made of metal and includes components such as clamping devices, sliders, and clamping claws to provide the required clamping force or fixing force. Mechanical fixtures are widely used in mechanical processing, assembly, welding, testing and other fields, and can improve the processing accuracy, stability and safety of workpieces. Common mechanical fixtures include workpiece fixtures, fixtures, positioning fixtures, etc. During the clamping process, if a shaft workpiece needs to be adjusted for welding, the workpiece needs to be removed from the fixture, and the processing surface needs to be replaced before welding can be continued. As a result, the clamping tool cannot play a good auxiliary effect and can only clamp the workpiece. Therefore, the inventor proposes an adjustable clamping tool. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In view of the shortcomings of the prior art, the purpose of the present utility model is to provide an adjustable clamping tool, which aims to solve the problem that during the clamping process of the prior art clamp, when a workpiece such as a shaft rod needs to be adjusted for welding, the workpiece needs to be removed from the clamp and the processing surface needs to be replaced before continuing welding, thus resulting in the clamping tool not being able to play a good auxiliary effect.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, the utility model provides such an adjustable clamping tool, including a supporting base plate, a bearing platform, a movable plate and a fixed tube, wherein a bearing platform is arranged above the supporting base plate, the bearing platform is spaced apart from the supporting base plate, a movable groove is horizontally opened in the middle of the bearing platform, the movable plate is movably installed in the movable groove, and two groups of movable plates are symmetrically spaced apart; mounting frames are respectively fixed on both sides of the bearing platform, a pushing cylinder is horizontally fixed inside the mounting frame, and the telescopic end of the pushing cylinder is fixedly connected to the movable plate; the fixed tube is rotatably installed in the middle of the movable plate, and the fixed tube is symmetrically installed on the opposite surfaces of the two groups of movable plates, an outer tube is installed on the side of the movable plate away from the fixed tube, an inner gear is rotatably installed at the inner center of the outer tube, and the inner gear is fixedly connected to the fixed tube. The parts can have a direction adjustment effect, the telescopic rod can be continuously lifted and lowered by force, and the inner gear is driven in both positive and negative directions, thereby achieving the function of adjusting the direction of the workpiece, and the principle is simple and easy to implement.

[0007] Preferably, a guide groove is formed through the upper surface of the outer tube, and a driving rod slides through the inside of the guide groove.

[0008] Preferably, one end of the driving rod that penetrates into the outer tube is fixedly connected to a telescopic rod, the telescopic rod is vertically arranged and has a driving tooth block on the outer wall, and the driving tooth block is adapted to the internal gear. The driving tooth block on the outer wall of the telescopic rod cooperates with the internal gear for transmission, and the internal gear gradually rotates under force, and since the fixed tube is connected to the internal gear, the clamped workpiece rotates synchronously.

[0009] Preferably, a fixing frame is fixedly mounted on the outer wall of the movable plate, and a telescopic cylinder is vertically fixedly mounted inside the fixing frame.

[0010] Preferably, the telescopic end of the telescopic cylinder is fixedly connected to the driving rod.

[0011] Preferably, a clamping screw is inserted into the upper thread of the fixing tube, and the clamping screws are symmetrically distributed.

[0012] Preferably, two groups of guide blocks which are spaced apart are protruded from the side wall of the movable plate, and the guide blocks are clamped on the bearing platform.

[0013] (3) Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model benefits from the setting of movable opposing movable plates, which can quickly clamp and dock the workpieces to be processed. During the processing, if the processing surface of the workpiece needs to be changed, the telescopic cylinder can be started, and the telescopic cylinder continuously extends and retracts to drive the driving rod to slide toward the inside of the outer tube, and the driving tooth block on the outer wall of the telescopic rod cooperates with the internal gear for transmission, and the internal gear gradually rotates under the force. Since the fixed tube is connected to the internal gear, the clamped workpiece rotates synchronously, so that the workpiece can have a direction adjustment effect, and the telescopic rod can be continuously raised and lowered under the force, and the internal gear is driven in both forward and reverse directions, thereby achieving the function of adjusting the direction of the workpiece. The utility model has strong practicality and can be widely promoted. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 Schematic diagram of the internal structure of the outer tube;

[0020] Figure 4 It is a schematic diagram of the structure of the movable plate and the clamping tube.

[0021] The markings in the attached drawings are: 1. Support base plate; 2. Moving groove; 3. Load-bearing platform; 4. Fixed tube; 5. Moving plate; 6. Push cylinder; 7. Mounting frame; 8. Driving rod; 9. Outer tube; 10. Fixed frame; 11. Telescopic cylinder; 12. Internal gear; 13. Driving gear block; 14. Telescopic rod; 16. Guide groove; 17. Guide block; 18. Clamping screw. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] This specific implementation is an adjustable clamping tool, and its structural schematic diagram is as follows Figure 1 As shown, it includes a supporting base plate 1, a bearing platform 3, a movable plate 5 and a fixed tube 4. A bearing platform 3 is arranged above the supporting base plate 1. The bearing platform 3 and the supporting base plate 1 are spaced apart. A movable groove 2 is horizontally opened in the middle of the bearing platform 3. The movable plate 5 is movably installed in the movable groove 2, and two groups of movable plates 5 are symmetrically spaced apart. Mounting frames 7 are respectively fixed on both sides of the bearing platform 3. A pushing cylinder 6 is horizontally fixed inside the mounting frame 7. The telescopic end of the pushing cylinder 6 is fixedly connected to the movable plate 5. The pushing cylinder 6 is started and extended to drive the movable plate 5 to slide along the bearing platform 3, so that the two groups of clamped workpieces are close to each other.

[0024] Reference Figure 2 , Figure 3The fixed tube 4 is rotatably mounted in the center of the movable plate 5, and the fixed tube 4 is symmetrically mounted on the facing surfaces of the two groups of movable plates 5. An outer tube 9 is mounted on the side of the movable plate 5 away from the fixed tube 4. An inner gear 12 is rotatably mounted at the inner center of the outer tube 9, and the inner gear 12 is fixedly connected to the fixed tube 4. A guide groove 16 is provided through the upper surface of the outer tube 9, and a driving rod 8 slides through the inside of the guide groove 16. One end of the driving rod 8 that penetrates into the inner part of the outer tube 9 is fixedly connected to a telescopic rod 14. The telescopic rod 14 is vertically arranged and a driving gear block 13 is provided on the outer wall. The driving gear block 13 is adapted to the inner gear 12. A fixed frame 10 is fixedly mounted on the outer wall of the movable plate 5, and a telescopic cylinder 11 is vertically fixedly mounted inside the fixed frame 10. The telescopic end of the telescopic cylinder 11 is fixedly connected to the driving rod 8. The telescopic cylinder 11 continuously extends and retracts to drive the driving rod 8 to slide toward the inside of the outer tube 9, and the driving rod 8 drives the telescopic rod 14 to move synchronously, and then the driving tooth block 13 on the outer wall of the telescopic rod 14 cooperates with the internal gear 12 for transmission.

[0025] Reference Figure 1 , Figure 4 The upper thread of the fixed tube 4 is penetrated with a clamping screw 18, and the clamping screw 18 is symmetrically distributed. The side wall of the movable plate 5 is also protruded with two groups of guide blocks 17 distributed at intervals, and the guide blocks 17 are clamped on the bearing platform 3.

[0026] Working principle: When in use, first install the ends of the shaft rod workpiece in the two groups of fixed tubes 4 respectively, then clamp the workpiece through the clamping screw 18, and then push the cylinder 6 to start and extend, driving the movable plate 5 to slide along the bearing platform 3, so that the two groups of clamped workpieces are close to each other. When welding, the telescopic cylinder 11 can be started. The telescopic cylinder 11 continuously retracts and drives the driving rod 8 to slide toward the inside of the outer tube 9, and the driving rod 8 drives the telescopic rod 14 to move synchronously, and then the driving tooth block 13 on the outer wall of the telescopic rod 14 cooperates with the internal gear 12 for transmission, and the internal gear 12 is gradually rotated under force. Since the fixed tube 4 is connected to the internal gear 12, the clamped workpiece rotates synchronously, so that the workpiece can have a direction adjustment effect. Through the reciprocating extension and retraction of the telescopic cylinder 11, the telescopic rod 14 can be continuously lifted and lowered under force, and the internal gear 12 is driven in both forward and reverse directions. The principle is simple and easy to implement, and can be widely promoted.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An adjustable clamping tool, comprising a supporting base plate (1), a bearing platform (3), a movable plate (5) and a fixed tube (4), characterized in that: A bearing platform (3) is provided above the supporting base plate (1), the bearing platform (3) and the supporting base plate (1) are spaced apart, a movable groove (2) is horizontally provided in the middle of the bearing platform (3), the movable plate (5) is movably installed in the movable groove (2), and two groups of movable plates (5) are symmetrically spaced apart; Mounting frames (7) are fixed on both sides of the bearing platform (3), a pushing cylinder (6) is fixed horizontally inside the mounting frame (7), and the telescopic end of the pushing cylinder (6) is fixedly connected to the moving plate (5); The fixed tube (4) is rotatably mounted at the center of the movable plate (5), and the fixed tube (4) is symmetrically mounted on the facing surfaces of the two sets of movable plates (5). An outer tube (9) is mounted on a side of the movable plate (5) away from the fixed tube (4). An internal gear (12) is rotatably mounted at the inner center of the outer tube (9), and the internal gear (12) is fixedly connected to the fixed tube (4).

2. The adjustable clamping tool according to claim 1, characterized in that: A guide groove (16) is formed through the upper surface of the outer tube (9), and a driving rod (8) slides through the interior of the guide groove (16).

3. The adjustable clamping tool according to claim 2, characterized in that: One end of the driving rod (8) that penetrates into the outer tube (9) is fixedly connected to a telescopic rod (14). The telescopic rod (14) is arranged vertically and has a driving tooth block (13) on its outer wall. The driving tooth block (13) is adapted to the internal gear (12).

4. The adjustable clamping tool according to claim 1, characterized in that: A fixing frame (10) is fixedly mounted on the outer wall of the movable plate (5), and a telescopic cylinder (11) is vertically fixedly mounted inside the fixing frame (10).

5. The adjustable clamping tool according to claim 4, characterized in that: The telescopic end of the telescopic cylinder (11) is fixedly connected to the driving rod (8).

6. The adjustable clamping tool according to claim 1, characterized in that: A clamping screw (18) is inserted into the upper thread of the fixing tube (4), and the clamping screw (18) is symmetrically distributed.

7. The adjustable clamping tool according to claim 1, characterized in that: Two groups of guide blocks (17) arranged at intervals are also protruded from the side wall of the movable plate (5), and the guide blocks (17) are clamped on the bearing platform (3).

Images