Machining clamping device with telescopic clamping jaws

Abstract

The utility model relates to the technical field of machining, and discloses a machining clamping device with a telescopic clamping jaw, which comprises a clamping shell, a third connecting plate is fixedly connected in the clamping shell, a first connecting block is fixedly connected to the outer wall of the clamping shell, a first threaded rod is in threaded connection in the first connecting block, and a second threaded rod is fixedly connected to the outer wall of the clamping shell. And a fixing assembly is arranged at one end of the first threaded rod and comprises a second clamping plate, a first clamping plate and a first rack, one side of the outer wall of the first rack is rotationally connected to one end of the first threaded rod, and a second connecting block is fixedly connected to the outer wall of the first rack. According to the device, the first threaded rod is screwed to rotate in the first connecting block, the first threaded rod rotates to drive the first rack to move, the first rack moves to indirectly drive the second connecting block to move, then the position of the first clamping plate is changed, and the rack on the first rack drives the gear to rotate and drives the second rack to move; and the position of the second clamping plate can be indirectly changed through movement of the second rack, and the object is clamped.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a machining clamping device with retractable grippers. Background Technology

[0002] Traditional machining clamping devices are typically used to stably fix workpieces during machining processes and are widely used in industries such as turning, milling, and grinding. Since their working principle is based on mechanical clamping technology, the workpiece is clamped through the coordinated movement of components such as clamping plates, threaded rods, and gears. Therefore, the flexibility, precision, and ease of maintenance of the clamping device are key factors in improving machining efficiency and workpiece quality. Most existing traditional clamping devices adopt a fixed structure design, which can meet basic clamping requirements, but has certain shortcomings in terms of clamping position adjustment and clamping efficiency.

[0003] Existing traditional clamping devices typically employ a fixed structure design, where the clamping system consists of multiple fixed components and is integrated into the processing equipment via mechanical connections. This device secures the workpiece by manually adjusting the threaded rod or using a simple mechanical structure to achieve stable processing. Some devices are also equipped with simple guiding mechanisms to assist in the clamping operation. After prolonged use, the equipment requires manual disassembly for regular maintenance or adjustment.

[0004] Existing clamping devices typically employ a fixed clamping structure design, making it difficult to adjust the device conveniently. After long-term operation, the clamping components are prone to wear and loosening, which not only affects the normal operation of the clamping device but may also lead to a decrease in machining accuracy. Therefore, an improved structural design that is easy to adjust and maintain is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a machining clamping device with retractable grippers, which aims to improve the problem that the clamping components are prone to wear and loosening, which may lead to a decrease in machining accuracy.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a retractable gripper for machining, comprising a gripping shell, a connecting plate three fixedly connected inside the gripping shell, a connecting block one fixedly connected to the outer wall of the gripping shell, a threaded rod one threadedly connected inside the connecting block one, and a fixing component provided at one end of the threaded rod one;

[0007] The fixing assembly includes a second clamping plate, a first clamping plate, and a first rack. One side of the outer wall of the first rack is rotatably connected to one end of a threaded rod. A second connecting block is fixedly connected to the outer wall of the first rack. One end of the first clamping plate is fixedly connected to the bottom of the second connecting block. A gear is rotatably connected inside the clamping housing. The first rack meshes with the gear. The second rack is slidably connected inside the third connecting plate. The second rack meshes with the gear. The bottom of the second rack is fixedly connected to a second clamping plate.

[0008] Furthermore, a load-bearing plate is fixedly connected to the upper surface of the clamping housing, a connecting column is fixedly connected to the upper surface of the load-bearing plate, a motor is fixedly connected to the top of the connecting column, and a lifting component is provided at the output end of the motor.

[0009] Furthermore, the lifting assembly includes a connecting block three, a threaded rod two, and a telescopic column. One end of the threaded rod two is fixedly connected to the motor output end, and the other end of the threaded rod two is rotatably connected to a connecting plate two. Auxiliary rods are provided through both sides inside the connecting plate two. One end of the auxiliary rod is fixedly connected to the connecting plate one. The connecting block three is internally threaded to the outer wall of the threaded rod two, and the top of the telescopic column is fixedly connected to the bottom of the connecting block three.

[0010] Furthermore, the internal thread of the connecting block matches the external thread of the threaded rod.

[0011] Furthermore, the internal thread of the connecting block three matches the external thread of the threaded rod two.

[0012] Furthermore, the connecting plate three is provided with a sliding groove for the clamping plate one and the clamping plate two to slide.

[0013] Furthermore, the connecting plate 2 is provided with a sliding groove for the telescopic column to slide.

[0014] Furthermore, the connecting block three is provided with a sliding groove for the auxiliary rod to slide.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, by twisting the threaded rod one, it rotates within the connecting block one. The rotation of the threaded rod one drives the rack one to move, and the movement of the rack one indirectly drives the connecting block two to move, thereby changing the position of the clamping plate one. The rack on the rack one drives the gear to rotate, which drives the rack two to move. The movement of the rack two indirectly changes the position of the clamping plate two, realizing the clamping of the object. This achieves precise positioning and firm clamping of the object, efficiently completing the clamping and effectively improving the efficiency and quality of machining.

[0017] 2. In this utility model, by starting the motor, the motor will drive the threaded rod two to rotate. Under the rotation of the threaded rod two, the connecting block three will move with the assistance of the auxiliary rod. The movement of the connecting block three will indirectly drive the telescopic column to move. Since the telescopic column is connected to the load-bearing plate, the movement of the telescopic column will indirectly drive the clamping plate to move, so that the clamping plate reaches the appropriate position, preparing for the subsequent clamping operation and ensuring the accuracy and stability of the clamping operation. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of a retractable gripper for machining according to the present invention.

[0019] Figure 2 This is a schematic diagram of the clamping shell part of a machining clamping device with retractable grippers proposed in this utility model.

[0020] Figure 3 This is a schematic diagram of the three-part structure of the connecting plate of the retractable gripper for machining according to this utility model.

[0021] Figure 4 This is a schematic diagram of the connecting column part of a retractable gripper for machining according to the present invention.

[0022] Figure 5 This is a schematic diagram of the telescopic column portion of a machining clamping device with telescopic grippers proposed in this utility model.

[0023] Legend:

[0024] 1. Clamping shell; 2. Threaded rod one; 3. Connecting block one; 4. Rack one; 5. Gear; 6. Clamping plate one; 7. Clamping plate two; 8. Load-bearing plate; 9. Connecting column; 10. Motor; 11. Rack two; 12. Connecting plate one; 13. Connecting block two; 14. Auxiliary rod; 15. Threaded rod two; 16. Connecting block three; 17. Connecting plate two; 18. Telescopic column; 19. Connecting plate three. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Reference Figures 1-3The present invention provides an embodiment of a retractable gripper for machining, comprising a gripping shell 1, the inside of which is hollow, providing a connection space for the entire device. A connecting plate 3 19 is fixedly connected inside the gripping shell 1, and the connecting plate 3 19 has a sliding groove to facilitate the movement of the clamping plate 1 6 and the clamping plate 2 7. A connecting block 3 is fixedly connected to the outer wall of the gripping shell 1, and the connecting block 3 provides a connection space for the threaded rod 2, ensuring that the threaded rod 2 moves along a straight line. The threaded rod 2 is threadedly connected inside the connecting block 3, and the threaded rod 2 is connected to the rack 4. The movement of the threaded rod 2 drives the rack 4 to move. A fixing component is provided at one end of the threaded rod 2.

[0027] The fixing assembly includes clamping plate 2 7, clamping plate 1 6, and rack 1 4. One side of the outer wall of rack 1 4 is rotatably connected to one end of threaded rod 1 2. The movement of rack 1 4 drives gear 5 to rotate and connects to block 2 13 to move, indirectly changing the distance between the clamping plates. Connecting block 2 13 is fixedly connected to the outer wall of rack 1 4. Connecting block 2 13 moves in conjunction with rack 1 4, driving clamping plate 1 6 to move. One end of clamping plate 1 6 is fixedly connected to the bottom of connecting block 2 13. Clamping plate 1 6 and clamping plate 2 7 cooperate to clamp the object. Gear 5 is rotatably connected inside clamping shell 1. Gear 5 rotates in conjunction with rack 1 4, driving rack 2 11 to move. Rack 1 4 meshes with gear 5. Rack 2 11 is slidably connected inside connecting plate 3 19. Rack 2 11 moves in conjunction with the rotation of gear 5. Rack 2 11 meshes with gear 5. Clamping plate 2 7 is fixedly connected to the bottom of rack 2 11. Clamping plate 2 7 moves in conjunction with rack 2 11, cooperating with clamping plate 1 6 to clamp the object.

[0028] Reference Figure 4 and Figure 5A load-bearing plate 8 is fixedly connected to the upper surface of the clamping shell 1. The load-bearing plate 8 connects the entire device and ensures its integrity. A connecting column 9 is fixedly connected to the upper surface of the load-bearing plate 8. The connecting column 9 is hollow inside, providing connection space for the lifting component. A motor 10 is fixedly connected to the top of the connecting column 9. The motor 10 is an existing device and will not be described in detail here. A lifting component is set at the output end of the motor 10. The lifting component includes a connecting block 16, a threaded rod 15, and a telescopic column 18. One end of the threaded rod 15 is fixedly connected to the output end of the motor 10. The threaded rod 15 rotates in conjunction with the motor 10, driving the connecting block 16 to move. The other end of the threaded rod 15 is rotatably connected to a connecting plate 17. Auxiliary rods 14 are provided through both sides of the interior of the connecting plate 17. The auxiliary rods 14 assist in the movement and ensure the connection block 16 moves. 6. Moving in a straight line, one end of the auxiliary rod 14 is fixedly connected to the connecting plate 12. The connecting plate 12 provides a connecting platform for the auxiliary rod 14. The internal thread of the connecting block 3 16 is connected to the outer wall of the threaded rod 2 15. The connecting block 3 16 moves up and down in coordination with the rotation of the threaded rod 2 15, which drives the telescopic column 18 to move up and down. The top of the telescopic column 18 is fixedly connected to the bottom of the connecting block 3 16. The telescopic column 18 moves in coordination with the connecting block 3 16, which drives the entire device to extend and retract. The internal thread of the connecting block 3 16 matches the external thread of the threaded rod 2 16. The internal thread of the connecting block 3 16 matches the external thread of the threaded rod 2 15. The connecting plate 3 19 is provided with a sliding groove for the clamping plate 1 6 and the clamping plate 2 7 to slide. The connecting plate 2 17 is provided with a sliding groove for the telescopic column 18 to slide. The connecting block 3 16 is provided with a sliding groove for the auxiliary rod 14 to slide.

[0029] Working Principle: When using a retractable gripper for machining clamping operations, the motor 10 is first started. The motor 10 drives the threaded rod 15 to rotate. Under the rotation of the threaded rod 15, the connecting block 16 moves with the assistance of the auxiliary rod 14. The movement of the connecting block 16 indirectly drives the telescopic column 18 to move. The telescopic column 18 is connected to the load-bearing plate 8, so the movement of the telescopic column 18 indirectly drives the clamping plate to move, so that the clamping plate reaches the appropriate position and prepares for subsequent clamping operations. This process ensures that the clamping device can be flexibly adjusted in different positions to adapt to workpieces of different sizes and shapes. When it is necessary to clamp an object, first turn the threaded rod 2. 2 rotates within connecting block 3. The rotation of threaded rod 2 drives rack 4 to move, which in turn indirectly drives connecting block 13 to move, thereby changing the position of clamping plate 6. Simultaneously, the rack on rack 4 meshes with gear 5. The rotation of gear 5 drives rack 11 to move, which in turn indirectly changes the position of clamping plate 7, ultimately achieving the clamping of the object. The entire process, through the coordinated movement of various components, achieves precise positioning and firm clamping of the object, ensuring the smooth progress of the machining process. This design not only improves the flexibility of clamping but also enhances the stability of clamping, making it suitable for various complex machining scenarios and greatly improving work efficiency and machining accuracy.

[0030] Finally, it should be noted that the above description 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 foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A machining clamping device with retractable grippers, comprising a clamping housing (1), characterized in that: The clamping shell (1) is fixedly connected to a connecting plate three (19) inside, and a connecting block one (3) is fixedly connected to the outer wall of the clamping shell (1). A threaded rod one (2) is threadedly connected inside the connecting block one (3), and a fixing component is provided at one end of the threaded rod one (2). The fixing assembly includes clamping plate two (7), clamping plate one (6) and rack one (4). The outer wall of rack one (4) is rotatably connected to one end of threaded rod one (2). A connecting block two (13) is fixedly connected to the outer wall of rack one (4). One end of clamping plate one (6) is fixedly connected to the bottom of connecting block two (13). A gear (5) is rotatably connected inside the clamping shell (1). Rack one (4) meshes with gear (5). Rack two (11) is slidably connected inside the connecting plate three (19). Rack two (11) meshes with gear (5). Clamping plate two (7) is fixedly connected to the bottom of rack two (11).

2. The machining clamping device with retractable grippers according to claim 1, characterized in that: A load-bearing plate (8) is fixedly connected to the upper surface of the clamping shell (1), a connecting column (9) is fixedly connected to the upper surface of the load-bearing plate (8), a motor (10) is fixedly connected to the top of the connecting column (9), and a lifting component is provided at the output end of the motor (10).

3. The machining clamping device with retractable grippers according to claim 2, characterized in that: The lifting assembly includes a connecting block three (16), a threaded rod two (15), and a telescopic column (18). One end of the threaded rod two (15) is fixedly connected to the output end of the motor (10), and the other end of the threaded rod two (15) is rotatably connected to a connecting plate two (17). Auxiliary rods (14) are provided through both sides of the inside of the connecting plate two (17). One end of the auxiliary rod (14) is fixedly connected to a connecting plate one (12). The connecting block three (16) is internally threaded to the outer wall of the threaded rod two (15), and the top of the telescopic column (18) is fixedly connected to the bottom of the connecting block three (16).

4. The machining clamping device with retractable grippers according to claim 1, characterized in that: The internal thread of the connecting block (3) matches the external thread of the threaded rod (2).

5. A machining clamping device with retractable grippers according to claim 3, characterized in that: The internal thread of the connecting block three (16) matches the external thread of the threaded rod two (15).

6. The machining clamping device with retractable grippers according to claim 1, characterized in that: The connecting plate three (19) is provided with a sliding groove for the clamping plate one (6) and the clamping plate two (7) to slide.

7. A machining clamping device with retractable grippers according to claim 3, characterized in that: The connecting plate 2 (17) is provided with a sliding groove for the telescopic column (18) to slide.

8. A machining clamping device with retractable grippers according to claim 3, characterized in that: The connecting block three (16) is provided with a sliding groove for the auxiliary rod (14) to slide.

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