Anti-crack clamp for hardware manufacturing

Abstract

The utility model discloses an anti-crack clamp for hardware manufacturing, and relates to the technical field of hardware manufacturing. The anti-crack clamp for hardware manufacturing comprises a bottom plate, three sets of clamping blocks, a tensioning structure and an adjusting structure, a circular plate is arranged at the top of the bottom plate, a U-shaped plate and a supporting plate are fixedly installed at the top of the bottom plate, the supporting plate is fixedly connected with the bottom of the circular plate, a protruding block is arranged on the circular plate, the clamping blocks are arranged on the circular plate, and the three sets of clamping blocks are annularly distributed at equal intervals; an air bag is fixedly installed on the outer wall of the clamping block, an L-shaped pipe is arranged on the clamping block, one end of the L-shaped pipe penetrates through the air bag and is fixedly connected with the clamping block, the tensioning structure is arranged on the circular plate and the L-shaped pipe, and the adjusting structure is arranged on the circular plate and the U-shaped plate. According to the anti-crack clamp for hardware manufacturing, on one hand, hardware can be tensioned and fixed through the expansion air bag, and compared with the mode that a hard structure is used for direct clamping, the phenomena of deformation and cracks of the hardware are not likely to occur.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware manufacturing, in particular to an anti-crack clamp for hardware manufacturing. Background Technique

[0002] An anti-slip clamp for hardware processing with the publication number of CN212665872U includes a machine body. A support plate is fixedly connected to the right side of the top of the machine body. An activity groove is opened inside the machine body. A moving block is slidably connected inside the activity groove. A sliding cavity is opened at the top of the activity groove. The top of the moving block is fixedly connected with an activity block, and the activity block is slidably connected inside the sliding cavity. The top of the activity block penetrates through the sliding cavity and extends outside the machine body. The top of the activity block is fixedly connected with the bottom of a connecting plate. For this anti-slip clamp for hardware processing, by holding the handle and pushing the connecting plate, the position of the clamping block can be changed, so that the two clamping blocks can clamp an object. By setting the first inclined plate and the second inclined plate to be clamped with each other, after the two clamping blocks clamp the object, the second inclined plate clamps the first inclined plate to prevent the movement of the connecting plate, thereby enabling the two clamping blocks to stably clamp the object.

[0003] The above-mentioned anti-slip clamp for hardware processing directly clamps with a rigid structure, but this method easily causes deformation and cracks in the hardware parts. Especially for some hardware parts with plastic materials, therefore, it can be improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide an anti-crack clamp for hardware manufacturing, which can solve the problems that directly clamping with a rigid structure easily causes deformation and cracks in the hardware parts, especially for some hardware parts with plastic materials.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An anti-crack clamp for hardware manufacturing includes a bottom plate, clamping blocks, a tensioning structure and an adjusting structure. A circular plate is arranged on the top of the bottom plate. A U-shaped plate and a support plate are fixedly installed on the top of the bottom plate. The support plate is fixedly connected to the bottom of the circular plate. A convex block is arranged on the circular plate. The clamping blocks are arranged on the circular plate. There are three clamping blocks and they are evenly distributed in a ring. An airbag is fixedly installed on the outer wall of the clamping block. An L-shaped pipe is arranged on the clamping block. One end of the L-shaped pipe penetrates through the airbag and is fixedly connected to the clamping block. The tensioning structure is arranged on the circular plate and the L-shaped pipe, and the tensioning structure is used to drive the airbag to expand. The adjusting structure is arranged on the circular plate and the U-shaped plate, and the adjusting structure is used to drive the three clamping blocks to approach or move away from each other.

[0006] Preferably, three convex grooves evenly distributed in a ring are opened on the circular plate, and the convex block is slidably installed in the convex groove.

[0007] Preferably, a slot is provided at the bottom of the clamping block, an insert block is fixedly installed on the top of the protrusion, the insert block is inserted in the slot, a bolt is provided on the outer wall of the clamping block, one end of the bolt passes through the clamping block and is threadedly connected to the insert block, so that the clamping block is easy to disassemble and assemble.

[0008] Preferably, the tensioning structure includes an air pump, a bent pipe, an elastic tube A and an elastic tube B. The air pump is fixedly installed at the bottom of the circular plate, the bent pipe is fixedly installed at the output end of the air pump, an air release valve is provided on the bent pipe, the elastic tube B is divided into three groups and fixedly installed between the three groups of L-shaped tubes, and the two ends of the elastic tube A are fixedly connected to the bent pipe and a group of L-shaped tubes, respectively.

[0009] Preferably, the adjustment structure includes a threaded rod, a slider, a linkage bar and a handle. The threaded rod is rotatably installed between the U-shaped plate and the bottom of the circular plate. The slider is threadedly sleeved on the outer wall of the threaded rod. The outer wall of the slider and the bottom of the protrusion are fixedly installed with U-shaped blocks. The linkage bar is rotatably installed between the two groups of U-shaped blocks. One end of the handle passes through the U-shaped plate and is fixedly connected to the threaded rod.

[0010] Preferably, two groups of reinforcement blocks are fixedly installed on the top of the bottom plate, and the two groups of reinforcement blocks are respectively fixedly installed on both sides of the U-shaped plate, so that the U-shaped plate is more stable.

[0011] Preferably, a diagonal support block is fixedly installed on the top of the base plate, and the diagonal support block is fixedly connected to the outer wall of the support plate, so that the support plate is more stable.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The anti-crack clamp for hardware manufacturing uses a U-shaped plate, an air pump, a bent pipe, an elastic tube A, an elastic tube B, a threaded rod, a slider, a U-shaped block, a linkage strip, a clamp block, an air bag, an L-shaped tube and a protrusion. On the one hand, the hardware can be placed between three groups of clamp blocks and tightened and fixed by the expansion air bag. Compared with the direct clamping method using a rigid structure, it is less likely to cause deformation and cracks on the hardware, and the fixing is also more convenient. On the other hand, the distance between the three groups of clamp blocks can be adjusted, and the adjustment can be made according to the size of the hardware, thereby improving the application range and practicality of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the adjustment structure of the utility model;

[0017] Figure 3Schematic three-dimensional structure diagram of the bump of the present utility model.

[0018] Reference numerals: 1, base plate; 2, circular plate; 3, support plate; 4, U-shaped plate; 5, tensioning structure; 51, air pump; 52, elbow pipe; 53, elastic pipe A; 54, elastic pipe B; 6, adjusting structure; 61, threaded rod; 62, slider; 63, U-shaped block; 64, linkage bar; 65, handle; 7, clamping block; 8, airbag; 9, L-shaped pipe; 10, inclined support block; 11, bump; 12, bolt. Detailed implementation manners

[0019] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it should not be construed as a limitation on the protection scope of the present utility model.

[0020] Please refer to Figure 1-3 , the present utility model provides a technical solution: an anti-crack fixture for hardware manufacturing, including a base plate 1, a clamping block 7, a tensioning structure 5 and an adjusting structure 6. A circular plate 2 is arranged on the top of the base plate 1. A U-shaped plate 4 and a support plate 3 are fixedly installed on the top of the base plate 1. The support plate 3 is fixedly connected to the bottom of the circular plate 2. A bump 11 is arranged on the circular plate 2. The clamping block 7 is arranged on the circular plate 2. There are three clamping blocks 7 and they are evenly distributed in a ring. An airbag 8 is fixedly installed on the outer wall of the clamping block 7. An L-shaped pipe 9 is arranged on the clamping block 7. One end of the L-shaped pipe 9 penetrates through the airbag 8 and is fixedly connected to the clamping block 7. The tensioning structure 5 is arranged on the circular plate 2 and the L-shaped pipe 9. The tensioning structure 5 is used to drive the airbag 8 to expand. The adjusting structure 6 is arranged on the circular plate 2 and the U-shaped plate 4. The adjusting structure 6 is used to drive the three clamping blocks 7 to approach or move away from each other.

[0021] Three convex grooves evenly distributed in a ring are formed on the circular plate 2. The bump 11 is slidably installed in the convex groove. A slot is formed at the bottom of the clamping block 7. An insertion block is fixedly installed on the top of the bump 11. The insertion block is inserted into the slot. A bolt 12 is arranged on the outer wall of the clamping block 7. One end of the bolt 12 passes through the clamping block 7 and is threadedly connected to the insertion block. Two reinforcing blocks are fixedly installed on the top of the base plate 1. The two reinforcing blocks are respectively fixedly installed on both sides of the U-shaped plate 4. An inclined support block 10 is fixedly installed on the top of the base plate 1. The inclined support block 10 is fixedly connected to the outer wall of the support plate 3.

[0022] The tensioning structure 5 includes an air pump 51, a curved pipe 52, an elastic tube A53 and an elastic tube B54. The air pump 51 is fixedly installed at the bottom of the circular plate 2. The curved pipe 52 is fixedly installed at the output end of the air pump 51. An air release valve is arranged on the curved pipe 52. The elastic tube B54 is divided into three groups and fixedly installed between the three groups of L-shaped tubes 9. The two ends of the elastic tube A53 are fixedly connected to the curved pipe 52 and one group of L-shaped tubes 9 respectively. The adjusting structure 6 includes a threaded rod 61, a slider 62, a linkage bar 64 and a handle 65. The threaded rod 61 is rotatably installed between the U-shaped plate 4 and the bottom of the circular plate 2. The slider 62 is threadedly sleeved on the outer wall of the threaded rod 61. The outer wall of the slider 62 and the bottom of the protrusion 11 are fixedly installed with U-shaped blocks 63. The linkage bar 64 is rotatably installed between the two groups of U-shaped blocks 63. One end of the handle 65 passes through the U-shaped plate 4 and is fixedly connected to the threaded rod 61. Next, the handle 65 is held to toggle the clockwise rotation of the threaded rod 61, and then the slider 62 is driven to move upward, and then the three groups of protrusions 11 and the three groups of clamping blocks 7 are driven to move away from each other through the U-shaped block 63 and the linkage bar 64, and the hardware is placed between the three groups of clamping blocks 7, and then the air pump 51 is controlled to start, and the air pump 51 transmits air to the elastic tube A53 through the bend pipe 52, and then the air bag 8 is expanded and the hardware is tightened through the transportation of the L-shaped tube 9. On the one hand, the hardware can be placed between the three groups of clamping blocks 7 and tightened and fixed by the expanded air bag 8. Compared with the direct clamping method using a rigid structure, it is not easy to cause deformation and cracks in the hardware, and the fixing is also more convenient. On the other hand, the distance between the three groups of clamping blocks 7 can be adjusted, and it can be adjusted according to the size of the hardware, thereby improving the scope of application and practicality of the clamp.

[0023] Working principle: Holding the handle 65 to move the threaded rod 61 clockwise, then drive the slider 62 to move upward, and then drive the three groups of protrusions 11 and the three groups of clamping blocks 7 to move away from each other through the U-shaped block 63 and the linkage bar 64, place the hardware between the three groups of clamping blocks 7, and then control the start of the air pump 51, the air pump 51 supplies air to the elastic tube A53 through the curved pipe 52, and then the air bag 8 is inflated through the L-shaped tube 9 and the hardware is tightened.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A crack prevention fixture for hardware manufacturing, characterized in that: include: A bottom plate (1) is provided with a circular plate (2) on its top, a U-shaped plate (4) and a support plate (3) are fixedly mounted on the top of the bottom plate (1), the support plate (3) is fixedly connected to the bottom of the circular plate (2), and a convex block (11) is provided on the circular plate (2); A clamping block (7) is arranged on the circular plate (2). The clamping blocks (7) are in three groups and are equidistantly distributed in a circular shape. An air bag (8) is fixedly mounted on the outer wall of the clamping block (7). An L-shaped tube (9) is arranged on the clamping block (7). One end of the L-shaped tube (9) passes through the air bag (8) and is fixedly connected to the clamping block (7). A tensioning structure (5) is arranged on the circular plate (2) and the L-shaped tube (9), and the tensioning structure (5) is used to drive the airbag (8) to expand; The adjusting structure (6) is arranged on the circular plate (2) and the hollow plate (4), and is used to drive the three groups of clamping blocks (7) to move closer to or farther from each other.

2. The anti-crack fixture for hardware manufacturing according to claim 1, characterized in that: The circular plate (2) is provided with three groups of convex grooves which are distributed in an annular shape and at equal intervals, and the convex blocks (11) are slidably installed in the convex grooves.

3. The anti-crack fixture for hardware manufacturing according to claim 1, characterized in that: A slot is provided at the bottom of the clamping block (7), an insert block is fixedly mounted on the top of the protrusion (11), the insert block is inserted into the slot, a bolt (12) is provided on the outer wall of the clamping block (7), one end of the bolt (12) passes through the clamping block (7) and is threadedly connected to the insert block.

4. The anti-crack fixture for hardware manufacturing according to claim 1, characterized in that: The tensioning structure (5) comprises an air pump (51), a curved pipe (52), an elastic pipe A (53) and an elastic pipe B (54); the air pump (51) is fixedly mounted on the bottom of the circular plate (2); the curved pipe (52) is fixedly mounted on the output end of the air pump (51); an air release valve is arranged on the curved pipe (52); the elastic pipe B (54) is divided into three groups and is respectively fixedly mounted between three groups of L-shaped pipes (9); and the two ends of the elastic pipe A (53) are respectively fixedly connected to the curved pipe (52) and one group of L-shaped pipes (9).

5. The anti-crack fixture for hardware manufacturing according to claim 1, characterized in that: The adjusting structure (6) comprises a threaded rod (61), a slider (62), a linkage bar (64) and a handle (65); the threaded rod (61) is rotatably mounted between the U-shaped plate (4) and the bottom of the circular plate (2); the slider (62) is threadedly sleeved on the outer wall of the threaded rod (61); the outer wall of the slider (62) and the bottom of the protrusion (11) are both fixedly mounted with U-shaped blocks (63); the linkage bar (64) is rotatably mounted between two groups of U-shaped blocks (63); one end of the handle (65) passes through the U-shaped plate (4) and is fixedly connected to the threaded rod (61).

6. The anti-crack fixture for hardware manufacturing according to claim 1, characterized in that: Two groups of reinforcement blocks are fixedly mounted on the top of the bottom plate (1), and the two groups of reinforcement blocks are respectively fixedly mounted on two sides of the U-shaped plate (4).

7. The anti-crack fixture for hardware manufacturing according to claim 6, characterized in that: A diagonal support block (10) is fixedly mounted on the top of the base plate (1), and the diagonal support block (10) is fixedly connected to the outer wall of the support plate (3).

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