Clamping device

Abstract

The utility model discloses a clamping device which comprises a fixing frame, a lifting clamping assembly is fixedly installed on the inner bottom wall of the fixing frame, the lifting clamping assembly comprises a first sliding rod and a first threaded rod, the first sliding rod is fixedly installed on the inner bottom wall of the fixing frame, and the first threaded rod is connected to the inner side wall of the fixing frame through a bearing. The side wall of the first threaded rod is fixedly connected with a first gear, a motor is fixedly installed on the inner bottom wall of the fixing frame, the output end of the motor is fixedly connected with a second gear, and the second gear is connected with the first gear in a meshed mode. According to the workpiece clamping device, clamping can be adjusted according to the size of a workpiece through the arranged lifting clamping assembly, so that the workpiece of any size has a good clamping effect, normal machining work cannot be affected after clamping, machining is more convenient and faster, and any loosening situation cannot occur in the machining process; and the use effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a clamping device. Background Art

[0002] Clamping devices play a vital role in machining. They securely hold the workpiece, preventing it from moving or shaking during machining, thereby ensuring machining accuracy and quality. There are many types of clamping devices, including vises, chucks, and fixtures. Vises are typically used to clamp small workpieces, offering simple operation and reliable clamping force. Chucks are widely used on rotating machining equipment such as lathes, allowing for quick clamping and release of workpieces. Clamps are designed and manufactured based on the shape and machining requirements of specific workpieces, offering greater specificity and clamping precision.

[0003] In response to the above-mentioned related issues, the size of the clamping plate of the existing clamping device is fixed. During actual use, some smaller workpieces will be blocked by the clamping plate after being clamped, which will affect the processing effect. In addition, the existing clamping device is usually fixed with bolts, which are prone to loosening after long-term use, and loosening will affect normal use.

[0004] Therefore, the present invention provides a clamping device to solve the above problems. Utility Model Content

[0005] In response to the deficiencies of the prior art, the present invention provides a clamping device that solves the problem that the clamping plates of the above-mentioned prior clamping devices are fixed in size, and some smaller workpieces may be blocked by the clamping plates after being clamped during actual use, which will affect the processing effect.

[0006] The cam is fixedly mounted on the support frame, and the cam is fixedly mounted on the support frame, wherein the cam is fixedly mounted on the support frame, wherein the cam is fixedly mounted on the support frame.

[0007] Furthermore, anti-loosening components are fixedly installed on both sides of the fixed frame, and the anti-loosening components include a rectangular plate and a threaded rod. The rectangular plates are fixedly installed on both sides of the fixed frame, and the threaded rod is connected to the top of the rectangular plate by a thread. The bottom end of the threaded rod is connected to a movable plate by a bearing. The bottom of the movable plate is hinged with a U-shaped frame, and the inner side wall of the U-shaped frame is hinged with a connecting rod. Connecting frames are fixedly installed on both sides of the fixed frame, and a sliding plate is slidably connected to one side of the connecting frame. The top of the sliding plate is fixedly installed with a U-shaped frame. The connecting rod is hinged to the U-shaped frame.

[0008] The above technical solution can prevent loosening and make the use more reliable.

[0009] Furthermore, the anti-loosening component also includes a knob, which is fixedly connected to the top end of the second threaded rod.

[0010] By adopting the above technical solution, the threaded rod 2 can be conveniently rotated by using the knob, making its rotation more convenient.

[0011] Furthermore, fixing plates are fixedly installed on both sides of the fixing frame, and the four fixing plates are arranged opposite to each other.

[0012] The above technical solution is adopted to facilitate the overall installation work.

[0013] Furthermore, the top of the fixing plate is connected with bolts through threads, and the number of the bolts is equal to the number of the fixing plates.

[0014] By adopting the above technical solution, the whole can be reinforced, making the whole more reliable.

[0015] Furthermore, a second slide bar is fixedly mounted on the inner bottom wall of the fixing frame, and the lifting frame is slidably connected to the second slide bar.

[0016] By adopting the above technical solution, the lifting frame can be raised and lowered more stably.

[0017] Furthermore, a limiting block is fixedly connected to the side wall of the second sliding rod, and the limiting block is located below the lifting frame.

[0018] The above technical solution can achieve a good limiting effect. Beneficial effects

[0019] The utility model provides a clamping device. Compared with the prior art, it has the following beneficial effects:

[0020] 1. The clamping device can adjust the clamping according to the size of the workpiece through the lifting clamping assembly, so that workpieces of any size have a good clamping effect. After clamping, it will not affect the normal processing work, making the processing more convenient, and there will be no loosening during the processing, so that the use effect will be better.

[0021] 2. The clamping device can prevent the bolts from loosening during use by setting up an anti-loosening component, so as to prevent the loosening of the bolts from affecting the reliability of use, so that the processing effect of the workpiece will be better, effectively guaranteeing the effect of use and the experience of use. It not only enhances the reliability of workpiece fixation, but also provides a strong guarantee for processing accuracy. Under complex processing conditions such as high-speed cutting and strong milling, the anti-loosening component can stably maintain the fastening state of the clamping device, so that the workpiece will not be displaced or shaken due to loose bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the implementation scheme of the present invention or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This utility model Figure 1 A magnified view of the structure at center A;

[0025] Figure 3 It is a side view of the overall structure of the utility model;

[0026] Figure 4 This utility model Figure 3 A magnified view of the structure at B in the middle.

[0027] In the figure: 1. Fixed frame; 2. Lifting clamping assembly; 21. Sliding rod 1; 22. Threaded rod 1; 23. Gear 1; 24. Motor; 25. Gear 2; 26. Lifting frame; 27. Cylinder; 28. L-shaped frame; 29. ​​Clamp; 3. Sliding rod 2; 4. Limit block; 5. Fixed plate; 6. Bolt; 7. Anti-loosening assembly; 71. Rectangular plate; 72. Threaded rod 2; 73. Moving plate; 74. U-shaped frame 1; 75. Connecting rod; 76. Connecting frame; 77. Sliding plate; 78. U-shaped frame 2; 79. Knob. DETAILED DESCRIPTION

[0028] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are all based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] The present application will be further described in detail below through the accompanying drawings and examples.

[0030] Reference Figures 1 to 4 , an embodiment of the present application provides a clamping device, including a fixed frame 1, a lifting clamping assembly 2 is fixedly installed on the inner bottom wall of the fixed frame 1, the lifting clamping assembly 2 includes a sliding rod 21 and a threaded rod 22, the sliding rod 21 is fixedly installed on the inner bottom wall of the fixed frame 1, the threaded rod 22 is connected to the inner side wall of the fixed frame 1 through a bearing, a gear 23 is fixedly connected to the side wall of the threaded rod 22, a motor 24 is fixedly installed on the inner bottom wall of the fixed frame 1, the output end of the motor 24 is fixedly connected to a gear 25, the gear 25 is meshed with the gear 1 23, a lifting frame 26 is connected to the side wall of the threaded rod 22 by threads, the lifting frame 26 is slidably connected to the sliding rod 21, a cylinder 27 is fixedly installed on the inner side wall of the lifting frame 26, the output end of the cylinder 27 is fixedly connected to an L-shaped frame 28, and a splint 29 is fixedly installed on one side of the L-shaped frame 28.

[0031] In this embodiment, starting the motor 24 can drive the gear 2 25 to rotate, so that the gear 2 25 can drive the gear 1 23 to rotate, and then the gear 1 23 will drive the threaded rod 1 22 to move, so that the threaded rod 1 22 can drive the lifting frame 26 to slide on the side wall of the slide rod 1 21, so that the lifting frame 26 can be raised and lowered inside the fixed frame 1, and then starting the cylinder 27 can drive the clamping plate 29 to clamp the workpiece through the L-shaped frame 28, so as to facilitate the clamping of workpieces of different sizes.

[0032] Reference Figures 1 to 4In one aspect of this embodiment, anti-loosening components 7 are fixedly installed on both sides of the fixing frame 1. The anti-loosening components 7 include rectangular plates 71 and threaded rods 72. The rectangular plates 71 are fixedly installed on both sides of the fixing frame 1. The threaded rods 72 are connected to the top of the rectangular plates 71 by threads. The bottom of the threaded rods 72 is connected to a movable plate 73 through a bearing. The bottom of the movable plate 73 is hinged with a U-shaped frame 74. The inner side wall of the U-shaped frame 74 is hinged with a connecting rod 75. The two sides of the fixing frame 1 are respectively A connecting frame 76 is fixedly installed, and a sliding plate 77 is slidably connected to one side of the connecting frame 76. A U-shaped frame 78 is fixedly installed on the top of the sliding plate 77. The connecting rod 75 and the U-shaped frame 78 are hinged. The anti-loosening component 7 also includes a knob 79, which is fixedly connected to the top of the threaded rod 72. Fixed plates 5 are respectively fixedly installed on both sides of the fixing frame 1, and the four fixed plates 5 are arranged opposite to each other. The top of the fixed plate 5 is connected with a bolt 6 by a thread, and the number of the bolts 6 is equal to that of the fixed plate 5.

[0033] In this embodiment, the fixing frame 1 can be fixed by the bolt 6 first, and the fixing is simple and convenient. Then, the knob 79 is turned to drive the threaded rod 2 72 to rotate, so that the threaded rod 2 72 can drive the movable plate 73 to move. The movable plate 73 then drives the connecting rod 75 to squeeze the sliding plate 77 to slide on the side wall of the connecting frame 76, so that the sliding plate 77 can limit the top of the bolt 6 to prevent the bolt 6 from loosening and reduce shaking.

[0034] Reference Figures 1 to 4 In one aspect of this embodiment, a slide bar 2 3 is fixedly mounted on the inner bottom wall of the fixed frame 1, a lifting frame 26 is slidably connected to the slide bar 2 3, and a limit block 4 is fixedly connected to the side wall of the slide bar 2 3, and the limit block 4 is located below the lifting frame 26.

[0035] In this embodiment, the lifting frame 26 will slide up and down through the sliding rod 2 3 during the process of moving up and down, making its sliding more stable.

[0036] Working principle: First, the bolt 6 can be used to fix the fixing frame 1, and the fixation is simple and convenient. Then, turning the knob 79 can drive the threaded rod 2 72 to rotate, so that the threaded rod 2 72 can drive the movable plate 73 to move. Then, the movable plate 73 drives the connecting rod 75 to squeeze the sliding plate 77 to slide on the side wall of the connecting frame 76, so that the sliding plate 77 can limit the top of the bolt 6 to prevent the bolt 6 from loosening and reduce shaking.

[0037] Then starting the motor 24 can drive the gear 2 25 to rotate, so that the gear 2 25 can drive the gear 1 23 to rotate, and then the gear 1 23 will drive the threaded rod 1 22 to move, so that the threaded rod 1 22 can drive the lifting frame 26 to slide on the side wall of the slide rod 1 21, so that the lifting frame 26 can be raised and lowered inside the fixed frame 1, and then starting the cylinder 27 can drive the clamping plate 29 to clamp the workpiece through the L-shaped frame 28, so as to facilitate the clamping of workpieces of different sizes.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A clamping device, comprising a fixing frame (1), characterized in that: The inner bottom wall of the fixing frame (1) is fixedly mounted with a lifting clamping assembly (2), and the lifting clamping assembly (2) includes a sliding rod (21) and a threaded rod (22), wherein the sliding rod (21) is fixedly mounted on the inner bottom wall of the fixing frame (1), and the threaded rod (22) is connected to the inner side wall of the fixing frame (1) through a bearing, and a gear (23) is fixedly connected to the side wall of the threaded rod (22), and a motor (24) is fixedly mounted on the inner bottom wall of the fixing frame (1), and the motor (24) ) is fixedly connected to the output end of the gear 2 (25), the gear 2 (25) is meshed with the gear 1 (23), a lifting frame (26) is threadedly connected to the side wall of the threaded rod 1 (22), the lifting frame (26) is slidably connected to the slide rod 1 (21), a cylinder (27) is fixedly installed on the inner side wall of the lifting frame (26), the output end of the cylinder (27) is fixedly connected to the L-shaped frame (28), and a clamping plate (29) is fixedly installed on one side of the L-shaped frame (28).

2. A clamping device according to claim 1, characterized in that: Anti-loosening components (7) are fixedly installed on both sides of the fixed frame (1), and the anti-loosening components (7) include rectangular plates (71) and threaded rods (72). The rectangular plates (71) are fixedly installed on both sides of the fixed frame (1), and the threaded rods (72) are connected to the top of the rectangular plates (71) by threads. The bottom of the threaded rods (72) are connected to a movable plate (73) by bearings. The bottom of the movable plate (73) is hinged to a U-shaped frame (74). The inner side wall of the U-shaped frame (74) is hinged to a connecting rod (75). Connecting frames (76) are fixedly installed on both sides of the fixed frame (1), and one side of the connecting frame (76) is slidably connected to a sliding plate (77). The top of the sliding plate (77) is fixedly installed with a U-shaped frame (78). The connecting rod (75) and the U-shaped frame (78) are hinged.

3. A clamping device according to claim 2, characterized in that: The anti-loosening assembly (7) further includes a knob (79), and the knob (79) is fixedly connected to the top end of the second threaded rod (72).

4. A clamping device according to any one of claims 1 to 3, characterized in that: Fixed plates (5) are respectively fixedly mounted on both sides of the fixing frame (1), and the four fixed plates (5) are arranged opposite to each other.

5. A clamping device according to claim 4, characterized in that: The top of the fixing plate (5) is connected to a bolt (6) via a thread, and the number of the bolts (6) is equal to the number of the fixing plate (5).

6. A clamping device according to any one of claims 1 to 3, characterized in that: A second slide bar (3) is fixedly mounted on the inner bottom wall of the fixed frame (1), and the lifting frame (26) is slidably connected to the second slide bar (3).

7. A clamping device according to claim 6, characterized in that: A limiting block (4) is fixedly connected to the side wall of the second slide bar (3), and the limiting block (4) is located below the lifting frame (26).

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