Clamp for metal drilling

Abstract

The utility model discloses a clamp for metal drilling, which comprises a bottom plate, four corners of the top of the bottom plate are symmetrically and fixedly connected with supporting columns, the tops of the two supporting columns are fixedly connected with a supporting plate, the middle of the top of the supporting plate is provided with a vertical sliding groove, and a holding rod is manually pulled to push inwards so as to drive a connecting plate and a limiting block to move inwards. And at the moment, an electric push rod is unfolded and contracted to drive the stabilizing block to move left and right, so that the clamping block at the top is adjusted, and after the used clamping block is determined, the clamping block is driven to move outwards under the action of a compression spring after a holding rod is loosened, so that the clamping block is separated from the stabilizing block. According to the metal clamping and fixing device, a clamping block is arranged, so that the clamping block fixes a column stabilizing block, the more stable clamping effect is achieved, the fixing effect is achieved, at the moment, a hydraulic telescopic cylinder is unfolded, a sliding block, a supporting block and a clamping plate are driven to move towards the inner side, and therefore metal is clamped and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp used for metal drilling. Background Art

[0002] A fixture is a device used to fix the processing object in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a clamp. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process in the process can be called a fixture, such as welding fixtures, inspection fixtures, assembly fixtures, machine tool fixtures, etc. Among them, machine tool fixtures are the most common, often referred to as fixtures. When processing workpieces on machine tools, in order for the surface of the workpiece to meet the technical requirements such as size, geometry and relative position accuracy with other surfaces specified in the drawing, the workpiece must be installed and clamped before processing.

[0003] Since the shapes of the processed metals are different, a more suitable clamping device is needed to fix them, so as to ensure stability during drilling. When clamping metal blocks of different shapes, a clamping device of a corresponding shape needs to be used to fix them, so as to ensure the stability of the metal during drilling. For this reason, this scheme proposes a clamp for metal drilling. Utility Model Content

[0004] The utility model aims to solve the defect that metal blocks of different shapes are difficult to fix in the prior art, and proposes a clamp for metal drilling.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A clamp for metal drilling comprises a base plate, the top four corners of the base plate are symmetrically fixedly connected with support columns, the tops of two support columns are fixedly connected with a support plate, a vertical slide groove is provided in the middle of the top of the support plate, a transverse slide groove is provided at one end of the top of the support plate, one end of the support plate is fixedly connected with a fixed plate, the inner side surface of the fixed plate is fixedly connected with a hydraulic telescopic cylinder, one end of the hydraulic telescopic cylinder is fixedly connected with a sliding block, the sliding block is slidably connected to the support plate, the top of the sliding block is fixedly connected with a support block, the inner side surface of the support block is fixedly connected with a clamping plate, and a rectangular drain groove is provided at the bottom of one end of the support plate.

[0007] Preferably, one end of the top of the support plate is located in the horizontal slide groove and is slidably connected to a stabilizing block, and the top of the stabilizing block is fixedly connected to the first clamping block, the second clamping block and the third clamping block, the middle of the inner side surface of the first clamping block is triangular, the middle of the inner side surface of the second clamping block is arc-shaped, the middle of the inner side surface of the third clamping block is rectangular, the spacing between the first clamping block, the second clamping block and the third clamping block is the same, and the inner side surface of the stabilizing block is located below the first clamping block, the second clamping block and the third clamping block and is provided with a rectangular slot.

[0008] Preferably, both ends of the stabilizing block are fixedly connected with connecting blocks, the inner sides of the two connecting blocks are fixedly connected with electric push rods, one end of the two electric push rods is fixedly connected with the fixing block, and the bottom of the fixing block is fixedly connected to the base plate.

[0009] Preferably, one end of the support plate is symmetrically fixedly connected to the limiting columns, compression springs are arranged on the outer sides of the two limiting columns, and the limiting columns movably penetrate the limiting blocks.

[0010] Preferably, a connecting plate is fixedly connected to the top of the limiting block, and a gripping rod is fixedly connected to the top of the connecting plate.

[0011] Preferably, a transverse plate is fixedly connected to the bottom of the limiting block, a locking block is fixedly connected to one side of the top of the transverse plate, and the locking block is locked and connected to a rectangular slot on the inner side of the stabilizing block.

[0012] The utility model has the following beneficial effects:

[0013] By manually pulling the gripping rod inward, the connecting plate and the limit block are driven to move inward, thereby driving the cross plate and the locking block to move outward, so that the locking block is separated from the stabilizing block. At this time, the electric push rod is expanded and retracted to drive the stabilizing block to move left and right, thereby adjusting the first clamping block, the second clamping block and the third clamping block on the top. After the first clamping block, the second clamping block and the third clamping block to be used are determined, the gripping rod is released, thereby the locking block is driven to move outward under the action of the compression spring, so that the locking block fixes the column stabilizing block, thereby achieving a more stable clamping effect, thereby achieving a fixing effect. At this time, the hydraulic telescopic cylinder is expanded to drive the sliding block, the supporting block and the clamping plate to move inward, thereby clamping and fixing the metal. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of a top view of a fixture for metal drilling proposed by the utility model;

[0015] Figure 2 This is a side structural schematic diagram of a clamp for metal drilling proposed by the utility model;

[0016] Figure 3This is a schematic cross-sectional view of a fixture for metal drilling proposed by the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the side structure of a clamp for metal drilling.

[0018] In the figure: 1. bottom plate; 2. support column; 3. support plate; 4. fixed plate; 5. hydraulic telescopic cylinder; 6. sliding block; 7. support block; 8. clamping plate; 9. rectangular drain groove; 10. stabilizing block; 11. first clamping block; 12. second clamping block; 13. third clamping block; 14. connecting block; 15. electric push rod; 16. fixed block; 17. limit column; 18. compression spring; 19. limit block; 20. connecting plate; 21. grip; 22. cross plate; 23. engaging block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-4A fixture for metal drilling comprises a bottom plate 1, the four corners of the top of the bottom plate 1 are symmetrically fixedly connected with support columns 2, the tops of the two support columns 2 are fixedly connected with support plates 3, a vertical slide groove is provided in the middle of the top of the support plate 3, a transverse slide groove is provided at one end of the top of the support plate 3, a fixed plate 4 is fixedly connected to one end of the support plate 3, a hydraulic telescopic cylinder 5 is fixedly connected to the inner side of the fixed plate 4, a sliding block 6 is fixedly connected to one end of the hydraulic telescopic cylinder 5, and the sliding block 6 is slidably connected to the support plate 3, The top of the sliding block 6 is fixedly connected with a support block 7, and the inner side of the support block 7 is fixedly connected with a clamping plate 8. A rectangular drain groove 9 is provided at the bottom of one end of the support plate 3. The top end of the support plate 3 is located in the transverse slide groove and is slidably connected with a stabilizing block 10. The top of the stabilizing block 10 is fixedly connected with a first clamping block 11, a second clamping block 12 and a third clamping block 13. The inner side of the first clamping block 11 is triangular in the middle, the inner side of the second clamping block 12 is arc-shaped in the middle, and the inner side of the third clamping block 13 is The first clamping block 11, the second clamping block 12 and the third clamping block 13 are in a rectangular shape, and the spacing between them is the same. The inner side of the stabilizing block 10 is located below the first clamping block 11, the second clamping block 12 and the third clamping block 13 and is provided with a rectangular slot. The two ends of the stabilizing block 10 are fixedly connected with connecting blocks 14, and the inner sides of the two connecting blocks 14 are fixedly connected with electric push rods 15. One end of the two electric push rods 15 is fixedly connected with a fixing block 16, and the bottom of the fixing block 16 is fixedly connected to the bottom plate 1, supporting One end of the plate 3 is symmetrically fixedly connected to a limiting column 17, and a compression spring 18 is arranged on the outer side of the two limiting columns 17. The limiting column 17 movably passes through a limiting block 19, and a connecting plate 20 is fixedly connected to the top of the limiting block 19, and a gripping rod 21 is fixedly connected to the top of the connecting plate 20. The bottom of the limiting block 19 is fixedly connected to a cross plate 22, and a snap-fit ​​block 23 is fixedly connected to one side of the top of the cross plate 22. The snap-fit ​​block 23 is snap-fitted and connected to the rectangular slot on the inner side of the stabilizing block 10, thereby achieving a more stable fixing effect.

[0021] The use method and advantages of the utility model: When the clamp for metal drilling is used, the working process is as follows:

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, when using the clamp for metal drilling, firstly, the first clamping block 11, the second clamping block 12 and the third clamping block 13 are selected according to the shape of the metal to be clamped, and firstly, the gripping rod 21 is manually pulled inward to push the connecting plate 20 and the limit block 19 inward, thereby driving the cross plate 22 and the engaging block 23 to move outward, so that the engaging block 23 is separated from the stabilizing block 10, and at this time, the electric push rod 15 is expanded and retracted to drive the stabilizing block 10 to move left and right, thereby adjusting the first clamping block 11 at the top. Block 11, the second clamping block 12 and the third clamping block 13. After determining the first clamping block 11, the second clamping block 12 and the third clamping block 13 to be used, release the gripping rod 21, so that under the action of the compression spring 18, the engaging block 23 is driven to move outward, so that the engaging block 23 fixes the column stabilizing block 10, thereby achieving a more stable clamping effect, thereby achieving a fixing effect. At this time, by unfolding the hydraulic telescopic cylinder 5, the sliding block 6, the supporting block 7 and the clamping plate 8 are driven to move inward, so that the metal is clamped and fixed.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixture for metal drilling, comprising a base plate (1), characterized in that: The four corners of the top of the bottom plate (1) are symmetrically fixedly connected to support columns (2), the tops of two of the support columns (2) are fixedly connected to support plates (3), a vertical slide groove is provided in the middle of the top of the support plate (3), a transverse slide groove is provided at one end of the top of the support plate (3), one end of the support plate (3) is fixedly connected to a fixed plate (4), the inner side surface of the fixed plate (4) is fixedly connected to a hydraulic telescopic cylinder (5), one end of the hydraulic telescopic cylinder (5) is fixedly connected to a sliding block (6), the sliding block (6) is slidably connected to the support plate (3), the top of the sliding block (6) is fixedly connected to a support block (7), the inner side surface of the support block (7) is fixedly connected to a clamping plate (8), and a rectangular drain groove (9) is provided at the bottom of one end of the support plate (3).

2. A fixture for metal drilling according to claim 1, characterized in that: One end of the top of the support plate (3) is located in the transverse sliding groove and is slidably connected to a stabilizing block (10); the top of the stabilizing block (10) is fixedly connected to a first clamping block (11), a second clamping block (12) and a third clamping block (13); the middle of the inner side surface of the first clamping block (11) is triangular, the middle of the inner side surface of the second clamping block (12) is arc-shaped, and the middle of the inner side surface of the third clamping block (13) is rectangular; the spacings between the first clamping block (11), the second clamping block (12) and the third clamping block (13) are the same; and a rectangular slot is provided on the inner side surface of the stabilizing block (10) below the first clamping block (11), the second clamping block (12) and the third clamping block (13).

3. A fixture for metal drilling according to claim 2, characterized in that: The two ends of the stabilizing block (10) are fixedly connected to connecting blocks (14), the inner sides of the two connecting blocks (14) are fixedly connected to electric push rods (15), one end of the two electric push rods (15) is fixedly connected to a fixing block (16), and the bottom of the fixing block (16) is fixedly connected to the bottom plate (1).

4. A fixture for metal drilling according to claim 1, characterized in that: One end of the support plate (3) is symmetrically fixedly connected to a limiting column (17), compression springs (18) are arranged on the outsides of the two limiting columns (17), and the limiting columns (17) movably penetrate the limiting block (19).

5. A fixture for metal drilling according to claim 4, characterized in that: The top of the limit block (19) is fixedly connected to a connecting plate (20), and the top of the connecting plate (20) is fixedly connected to a gripping rod (21).

6. A fixture for metal drilling according to claim 5, characterized in that: The bottom of the limit block (19) is fixedly connected to a transverse plate (22), and the top side of the transverse plate (22) is fixedly connected to a locking block (23), and the locking block (23) is locked and connected to a rectangular locking groove on the inner side of the stabilizing block (10).

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