Machining clamp with self-locking structure

Abstract

The utility model relates to the technical field of machining, in particular to a machining clamp with a self-locking structure, which comprises a shell and three moving blocks, self-locking assemblies are arranged on the outer sides of the moving blocks, each self-locking assembly comprises a clamping block fixedly connected with the bottom of the corresponding moving block, a clamping groove is formed in the bottom of each clamping block, and the clamping blocks are arranged in the clamping grooves. The interior of the shell is rotationally connected with a supporting seat, the top of the supporting seat is fixedly connected with a limiting strip matched with the clamping groove, a plurality of moving grooves are formed in the side wall of the interior of the shell, the side wall of each moving block is fixedly connected with a sliding block, and the sliding blocks slide in the moving grooves; through cooperative arrangement of the moving block, the clamping groove and the limiting strip, a worker does not need to continuously apply external force to maintain the clamping state of a workpiece, only needs to apply proper clamping force once during initial clamping, can keep the workpiece stable subsequently, does not need additional operation, greatly saves the operation time, and improves the clamping efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, especially a kind of mechanical processing fixture with self-locking structure. BACKGROUND

[0002] Mechanical processing refers to the process of changing the shape size or performance of workpiece by a kind of mechanical equipment.Mechanical processing fixture, also known as mechanical processing positioning device, is a device used to fix the processing object in the correct position to accept construction or detection in the mechanical processing process.

[0003] The existing mechanical processing fixture with the authorization publication number CN221455660U includes base mechanism, the base mechanism includes base, fixed plate mechanism, the fixed plate mechanism includes fixed seat, the base is fixedly connected with fixed seat, the fixed seat is provided with bolt slot, the bolt slot is threadedly connected with bolt, the adjusting plate is fixedly connected with connecting plate, the connecting plate is fixedly connected with first spring, the first spring is fixedly connected with mounting seat, the mounting seat is fixedly connected with pull rod, the mounting seat is provided with mounting rod slot, the mounting rod slot is movably connected with mounting rod, the mounting rod is fixedly connected with fixed plate, the fixed plate is retracted by pulling the pull rod, the workpiece is placed between two fixed plates, the fixed plate is fixed and clamped to the workpiece by the rebound of first spring, and the fixed plate can be fixed and clamped to workpieces of different specifications by different contraction degrees of first spring.

[0004] For the related technology in the above, the defect of the existing mechanical processing fixture with self-locking structure is that in mechanical processing, workpieces are easily loose and displaced under the action of cutting force, vibration, centrifugal force (such as when rotating workpieces at high speed) and other external forces, therefore, the utility model provides a mechanical processing fixture with self-locking structure. UTILITY MODEL CONTENT

[0005] The purpose of the present application is to provide a mechanical processing fixture with self-locking structure to solve the problems raised in the above background.

[0006] To achieve the above purpose, the present application provides the following technical scheme:

[0007] A mechanical processing fixture with self-locking structure includes a housing and three moving blocks, the outer side of the moving block is provided with a self-locking assembly, the self-locking assembly includes a clamping block fixedly connected with the bottom of the moving block, the bottom of the clamping block is provided with a clamping slot, the inside of the housing is rotatably connected with a support seat, the top of the support seat is fixedly connected with a limiting strip matched with the clamping slot.

[0008] Preferably, the internal side wall of the shell is provided with a plurality of moving grooves, the side wall of the moving block is fixedly connected with a sliding block, and the sliding block slides in the moving grooves.

[0009] Preferably, the top of the moving block is fixedly connected with a fixed block, and the outer side of the moving block is provided with a clamping plate.

[0010] Preferably, the top of the moving block is fixedly connected with a fixed block, and the top of the fixed block and the clamping plate are both provided with a same fixed hole, and the inside of the fixed hole is threadedly connected with a same bolt.

[0011] Preferably, the bottom of the supporting seat is fixedly connected with a gear ring, the inside of the shell is rotatably connected with three rotating rods, and the rotating rods all penetrate through the shell.

[0012] Preferably, one end of the rotating rod is fixedly connected with a rotating gear, the rotating gear is inside the shell, and the rotating gear is meshed with the gear ring.

[0013] Preferably, the inside of the shell is provided with an inner cavity, and the inner cavity is provided with a workpiece.

[0014] In conclusion, the technical effects and advantages of the utility model are as follows:

[0015] In the utility model, the cooperation of the moving block, the clamping groove and the limiting strip realizes that the staff does not need to continuously exert external force to maintain the workpiece clamping state, only needs to exert a proper clamping force once at the initial clamping, and can keep the workpiece stable subsequently without additional operation, which greatly saves the operation time and improves the clamping efficiency. DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Figure 1 It is a first perspective view of the structure of the utility model;

[0018] Figure 2 It is a structure diagram of the limiting strip of the utility model;

[0019] Figure 3 It is a structure diagram of the moving block of the utility model;

[0020] Figure 4 It is a structure diagram of the fixed block of the utility model.

[0021] In the figure: 1, the shell; 2, fixed hole; 3, rotating rod; 4, moving groove; 5, moving block; 6, clamping plate; 7, workpiece; 8, fixed block; 9, gear ring; 10, rotating gear; 11, clamping groove; 12, limit bar; 13, support seat; 14, sliding block; 15, bolt; 16, inner cavity; 17, clamping block. DETAILED DESCRIPTION

[0022] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it should be explained that, unless explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense. For example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected. It can be mechanically connected, or electrically connected. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication inside two elements. Those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0024] Embodiment one: reference Figures 1-4 As shown in a kind of mechanical processing clamp with self-locking structure, including shell 1 and three moving blocks 5, moving block 5 is used to play corresponding position adjustment etc. in clamp, its outside is provided with self-locking assembly, self-locking assembly includes the clamping block 17 of the bottom fixed connection of moving block 5, clamping block 17 can be cooperated with other components to realize self-locking function, the bottom of clamping block 17 is provided with clamping groove 11, clamping groove 11 can be clamped with corresponding components to achieve the relevant state of self-locking, shell 1 is as the external protection of entire clamp and plays the role of bearing etc. to internal components, its inside is rotatably connected with support seat 13, support seat 13 can change its position and state by rotating to cooperate with other components work, the top of support seat 13 is fixedly connected with the limit bar 12 compatible with clamping groove 11, limit bar 12 can be inserted into clamping groove 11 to limit the movement of clamping block 17 to realize the self-locking effect of moving block 5.

[0025] Embodiment two: reference Figures 1-4, based on the same concept as the same embodiment, the embodiment also proposes that the inner side wall of the shell 1 is provided with a plurality of moving grooves 4, the moving grooves 4 provide sliding tracks for the sliding blocks 14, and can guide the movement of the sliding blocks 14, so that the sliding blocks 14 can slide stably along the tracks, the side wall of the moving block 5 is fixedly connected with the sliding block 14, the sliding block 14 slides in the moving groove 4, through the cooperation of the sliding block 14 and the moving groove 4, the moving block 5 can realize stable position movement in the shell 1, the top of the moving block 5 is fixedly connected with the fixed block 8, the fixed block 8 can be used for subsequent component connection and other operations, the outer side of the moving block 5 is provided with the clamping plate 6, the clamping plate 6 can clamp and fix the workpiece 7 and the like, the top of the fixed block 8 is fixedly connected with the clamping plate 6, and the top of the clamping plate 6 and one end of the fixed block 8 are both provided with the same fixing hole 2, the fixing hole 2 provides a corresponding mounting position for the connection of the bolt 15, the same bolt 15 is screwed into the fixing hole 2 and is screwed into the fixing hole 2, and the fixed block 8 and the clamping plate 6 are firmly connected together, the bottom of the support base 13 is fixedly connected with the gear ring 9, the gear ring 9 can cooperate with other gear components to transmit power and realize corresponding rotation and other actions, the inside of the shell 1 is rotatably connected with three rotating rods 3, the rotating rods 3 all penetrate the shell 1, the rotating rods 3 can be used as power transmission components to transmit external rotating force to the corresponding components inside, one end of the rotating rod 3 is fixedly connected with the rotating gear 10, the rotating gear 10 is inside the shell 1, and the rotating gear 10 is engaged with the gear ring 9. When the rotating rod 3 rotates, the rotating gear 10 and the gear ring 9 are engaged, the rotating rod 3 can drive the support base 13 to rotate, and then drive the related components to act to realize the self-locking function, the inside of the shell 1 is provided with an inner cavity 16, the inner cavity 16 provides a space for placing the workpiece 7, and the inner cavity 16 is provided with the workpiece 7.

[0026] The utility model works as follows: when using the clamp, first, the worker puts the workpiece 7 to be clamped through the inner cavity 16 of the shell 1 and places it between the three clamping plates 6, the worker can rotate the rotating rod 3 manually or by connecting the motor with the rotating rod 3, the rotating gear 10 drives the support base 13 to rotate through the engagement with the gear ring 9, and the three moving blocks 5 move towards the workpiece 7 due to the action of the clamping groove 11 and the limiting strip 12 until the clamping plate 6 tightly adheres to the surface of the workpiece 7, at this time, the rotation of the rotating rod 3 can be stopped, and the position of the moving block 5 will not change, realizing self-locking of the clamping of the workpiece 7.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A mechanical processing clamp with self-locking structure, comprising a housing (1) and three moving blocks (5), characterized in that: The outer side of the moving block (5) is provided with a self-locking assembly, the self-locking assembly comprises a clamping block (17) fixedly connected with the bottom of the moving block (5), the bottom of the clamping block (17) is provided with a clamping groove (11), the inside of the shell (1) is rotatably connected with a supporting seat (13), the top of the supporting seat (13) is fixedly connected with a limiting strip (12) matched with the clamping groove (11).

2. The machining fixture with self-locking structure according to claim 1, characterized in that: The inside side wall of the shell (1) is provided with a plurality of moving grooves (4), the side wall of the moving block (5) is fixedly connected with a sliding block (14), and the sliding block (14) slides in the moving groove (4).

3. The machining fixture with self-locking structure according to claim 2, characterized in that: The top of the moving block (5) is fixedly connected with a fixed block (8), and the outer side of the moving block (5) is provided with a clamping plate (6).

4. The machining fixture with self-locking structure according to claim 3, characterized in that: The top of the moving block (5) is fixedly connected with a fixed block (8), and the top of the clamping plate (6) is provided with a clamping plate (6).

5. The machining fixture with self-locking structure according to claim 4, characterized in that: The bottom of the supporting seat (13) is fixedly connected with a gear ring (9), the inside of the shell (1) is rotatably connected with three rotating rods (3), and the rotating rods (3) penetrate through the shell (1).

6. The machining fixture with a self-locking structure according to claim 5, characterized in that: One end of the rotating rod (3) is fixedly connected with a rotating gear (10), the rotating gear (10) is in the inside of the shell (1), and the rotating gear (10) is engaged with the gear ring (9).

7. The machining fixture with self-locking structure according to claim 1, characterized in that: The inside of the shell (1) is provided with an inner cavity (16), and the inner cavity (16) is provided with a workpiece (7).

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