Clamping structure for laser cutting

Abstract

The clamping structure for laser cutting comprises a base, connecting grooves are symmetrically formed in the upper face of the base, two-way screw rods are rotationally installed in the connecting grooves, T-shaped driving seats are symmetrically arranged above the base, first threaded sleeve blocks are fixedly connected to the lower faces of the T-shaped driving seats, and second threaded sleeve blocks are fixedly connected to the lower faces of the first threaded sleeve blocks. And a first threaded sleeve block is arranged on the T-shaped driving seat and is in threaded fit with the two-way screw, a clamping frame is arranged above the T-shaped driving seat, a first through groove is formed in the clamping frame, a fixing block is slidably installed in the first through groove, a threaded through hole is formed in the fixing block, and a threaded connecting rod is installed in the threaded through hole in a threaded mode. The clamping frame is driven to move by starting the dovetail sliding groove, the clamping frame moves to drive the threaded connecting rod to clamp the two sides of the material plate, the threaded connecting rod can be driven to rotate by rotating the rotary knob, the threaded connecting rod rotates to drive the rubber pads to move, and each rubber pad makes contact with the side face of the material plate. And the uneven flitch with slightly deformed edges can be clamped and fixed.

Description

Technical Field

[0001] The utility model relates to a clamping structure, in particular to a clamping structure for laser cutting. Background Art

[0002] Laser cutting uses an invisible light beam to replace the traditional mechanical knife. When using the laser cutting machine, a clamping mechanism is required to fix the workpiece.

[0003] For example, a clamping device for a laser cutting machine disclosed in a Chinese patent with the publication number CN213857683U includes an outer table, a collection box, a support frame and a lifting assembly. The outer table is hollow inside and a support frame is slidably installed inside. The support frame is a hollow rectangular frame structure with multiple support rods arranged side by side inside. The support rods are equidistantly arranged and have support blocks with triangular structures protruding from the upper surfaces. The support blocks are arranged in a line along the upper surfaces of the support rods. The support frame is fixedly installed on the upper surface of the collection box. The top of the collection box is open and a drawer is slidably installed on one side. Lifting assemblies are provided on both sides of the outer table adjacent to the drawer. The lifting assembly includes a second telescopic cylinder, a connecting rod, a mounting plate and a clamping plate. The clamping plate and the mounting plate are parallel to each other. The clamping device for a laser cutting machine has a reasonable structure and high reliability in use and can be widely promoted.

[0004] Some problems were found when using the above-mentioned existing clamping device for laser cutting machines. First, two clamping plates are used to clamp the workpiece. The clamping plates will fit the surfaces of both sides of the workpiece. When cutting the edge of the workpiece, it is very easy to cause the clamping plates to be cut together. Secondly, the workpiece to be cut, such as square plates, is a material plate, and its edges are not processed. The two sides may not be completely horizontal, and there may be slight protrusions at the clamping point. At this time, the clamping plate will only be connected to the protrusions, resulting in the problem of unstable clamping. Utility Model Content

[0005] The purpose of the utility model is to provide a clamping structure for laser cutting to solve the existing problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping structure for laser cutting, comprising a base, connecting grooves symmetrically provided on the base, a bidirectional screw rotatably installed in the connecting groove, a T-shaped driving seat symmetrically provided above the base, a first threaded sleeve block fixedly connected to the bottom of the T-shaped driving seat, the first threaded sleeve block cooperates with the bidirectional screw thread, a clamping frame is provided above the T-shaped driving seat, a first through groove is provided on the clamping frame, a fixing block is slidably installed in the first through groove, a threaded through hole is provided in the fixing block, a threaded connecting rod is threadedly installed in the threaded through hole, a knob is fixedly connected to the front end of the threaded connecting rod, and a rubber pad is fixedly connected to the other side of the knob.

[0007] Preferably, a motor is provided on the base and located in front and behind the connecting groove, and a dovetail slider is fixedly connected to the bottom of the T-shaped driving seat, and the dovetail slider is slidably matched with the motor.

[0008] Preferably, a dovetail slot is fixedly connected to one side of the base, an output end of the dovetail slot is fixedly connected to a bidirectional screw, and fixed feet are fixedly connected to the front and rear surfaces of the base.

[0009] Preferably, an adjusting screw is rotatably mounted on the T-shaped driving seat, two connecting plates are symmetrically fixedly connected to the lower side of the clamping frame, a second threaded sleeve is fixedly connected to the side of the connecting plate on one side, and the second threaded sleeve is threadably matched with the adjusting screw.

[0010] Preferably, a first protruding tooth is fixedly connected to the inner wall of the first through groove, a second protruding tooth is fixedly connected to one side of the fixing block, and the second protruding tooth cooperates with the first protruding tooth.

[0011] Preferably, a second through slot is formed on one side of the fixing block, the second through slot is communicated with the inside of the first through slot, and the second through slot cooperates with the threaded connecting rod.

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

[0013] 1. Start the dovetail slide to drive the clamping frame to move. The movement of the clamping frame will drive the threaded connecting rod to clamp on both sides of the material plate. Rotating the knob can drive the threaded connecting rod to rotate. The rotation of the threaded connecting rod will drive the rubber pad to move, so that each rubber pad is in contact with the side of the material plate. The material plate with slightly deformed and uneven edges can be clamped and fixed.

[0014] 2. The overall thickness of the fixed block is smaller than the width of the first through groove, so that when one side of the fixed block fits against the smooth inner wall of the first through groove, the second convex tooth is staggered with the first convex tooth, so that the fixed block can slide freely to drive the threaded connecting rod to move, and then adjust the position of the fixed block and the threaded connecting rod to avoid the cutting position of the material plate, effectively preventing the device from being accidentally cut. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of the utility model when clamping a material plate;

[0017] Figure 3 This is a schematic diagram of the structure of the T-shaped drive seat of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the clamping frame of the utility model;

[0019] Figure 5For the utility model Figure 4 Enlarged view of point A in the middle.

[0020] In the figure: 1. base; 101. connecting groove; 102. bidirectional screw; 103. motor; 104. dovetail slide; 105. fixed foot; 2. T-shaped drive seat; 201. adjusting screw; 202. first threaded sleeve; 203. dovetail slider; 3. clamping frame; 301. connecting plate; 302. second threaded sleeve; 303. first through groove; 304. first convex tooth; 305. second through groove; 4. fixing block; 401. threaded through hole; 402. second convex tooth; 5. threaded connecting rod; 501. knob; 502. rubber pad; 6. material plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: a clamping structure for laser cutting, including a base 1, a connecting groove 101 is symmetrically opened on the base 1, a bidirectional screw 102 is rotatably installed in the connecting groove 101, a T-shaped driving seat 2 is symmetrically arranged above the base 1, a first threaded sleeve 202 is fixedly connected to the bottom of the T-shaped driving seat 2, the first threaded sleeve 202 is threadedly matched with the bidirectional screw 102, a clamping frame 3 is arranged above the T-shaped driving seat 2, a first through groove 303 is opened on the clamping frame 3, a fixing block 4 is slidably installed in the first through groove 303, a threaded through hole 401 is opened in the fixing block 4, a threaded connecting rod 5 is threadedly installed in the threaded through hole 401, a knob 501 is fixedly connected to the front end of the threaded connecting rod 5, and a rubber pad 502 is fixedly connected to the other side of the knob 501.

[0023] In this embodiment, the bidirectional screw 102 is threadedly matched with the first threaded sleeve 202. Rotating the bidirectional screw 102 can drive the first threaded sleeve 202 to move. The movement of the first threaded sleeve 202 can drive the T-shaped drive seat 2 to move. The movement of the T-shaped drive seat 2 can drive the clamping frame 3 to move, so that the distance between the two clamping frames 3 can be adjusted. The movement of the clamping frame 3 can drive the fixed block 4 to move. The movement of the fixed block 4 can drive the threaded connecting rod 5 to move. The threaded connecting rod 5 can contact both sides of the material plate 6 by using the rubber pad 502, so as to clamp and fix the material plate 6. The threaded connecting rod 5 is threadedly installed in the threaded through hole 401. By rotating The knob 501 can drive the threaded connecting rod 5 to rotate, thereby driving the rubber pad 502 to move, so that the rubber pad 502 can always fit the two sides of the material plate 6, and then reduce the distance between the clamping frames 3, so that the material plate 6 can be effectively clamped, and the rubber pad 502 is in contact with the material plate 6, and the clamping frame 3 does not directly contact the material plate 6, so that a certain gap is left between the clamping frame 3 and the material plate 6. At the same time, the fixed block 4 is slidably installed in the first through groove 303, and the sliding fixed block 4 can drive the threaded connecting rod 5 to move. The position of the rubber pad 502 can be adjusted according to the cutting position of the material plate 6, so that the rubber pad 502 avoids the cutting position, thereby effectively preventing the device from being cut.

[0024] Among them, in order to achieve the purpose of sliding the T-shaped drive seat 2 on the base 1, the present device is implemented by adopting the following technical scheme: a motor 103 is provided on the base 1 and located in front and behind the connecting groove 101, a dovetail slider 203 is fixedly connected to the bottom of the T-shaped drive seat 2, the dovetail slider 203 slides with the motor 103, a dovetail groove 104 is fixedly connected to one side of the base 1, the output end of the dovetail groove 104 is fixedly connected to the bidirectional screw 102, and fixed feet 105 are fixedly connected to the front and back of the base 1.

[0025] The motor 103 and the dovetail slider 203 are slidably cooperated to make the T-shaped drive seat 2 slide and be installed on the base 1, and it can only slide horizontally. Starting the dovetail slide 104 can drive the bidirectional screw 102 to rotate, and then adjust the distance between the T-shaped drive seats 2. The fixed feet 105 cooperate with the bolts to fix the device on the laser cutting machine.

[0026] Among them, in order to achieve the purpose of fixing the fixed block 4, the present device adopts the following technical scheme: an adjusting screw 201 is rotatably installed on the T-shaped driving seat 2, and two connecting plates 301 are symmetrically fixedly connected to the bottom of the clamping frame 3, a second threaded sleeve 302 is fixedly connected to the side of one side connecting plate 301, the second threaded sleeve 302 is threadedly matched with the adjusting screw 201, a first convex tooth 304 is fixedly connected to the inner wall of the first through groove 303, a second convex tooth 402 is fixedly connected to one side of the fixed block 4, the second convex tooth 402 cooperates with the first convex tooth 304, a second through groove 305 is opened on one side of the fixed block 4, the second through groove 305 is communicated with the inside of the first through groove 303, and the second through groove 305 cooperates with the threaded connecting rod 5.

[0027] The vertical plate of the T-shaped driving seat 2 is inserted between the two connecting plates 301, and the movable T-shaped driving seat 2 can drive the clamping frame 3 to move through the connecting plate 301. The adjusting screw 201 is threadedly matched with the second threaded sleeve block 302. Rotating the adjusting screw 201 can drive the clamping frame 3 to move, thereby adjusting the height of the clamping frame 3. The threaded connecting rod 5 passes through the second through groove 305 and is screwed into the fixed block 4 located in the first through groove 303. The overall thickness of the fixed block 4 is smaller than the width of the first through groove 303. Therefore, when one side of the fixed block 4 is attached to the smooth inner wall of the first through groove 303, the second convex tooth 402 is staggered with the first convex tooth 304, so that the fixed block 4 can slide at will. When the threaded connecting rod 5 clamps the material plate 6, it will provide a certain thrust for the fixed block 4, so that the second convex tooth 402 will mesh into the first convex tooth 304, thereby limiting the fixed block 4 to prevent the fixed block 4 from still being able to slide during clamping.

[0028] The working principle and use process of the utility model are as follows: when using, the device needs to be installed in a suitable position, and the material plate 6 is placed between the two clamping frames 3, and the dovetail slide 104 is started to drive the bidirectional screw 102 to rotate. The rotation of the bidirectional screw 102 will drive the T-shaped drive seat 2 to move, and the movement of the T-shaped drive seat 2 will drive the clamping frame 3 to move, so that the clamping frame 3 is used to drive the fixing block 4 and the threaded connecting rod 5 to move. The movement of the threaded connecting rod 5 will drive the rubber pad 502 to move, so that the end of the rubber pad 502 is initially in contact with the side of the material plate 6, and the threaded connecting rod 5 can be driven to rotate by rotating the knob 501. The rotation of the threaded connecting rod 5 will drive the rubber pad 502 to move, so that each rubber pad 502 is in contact with the side of the material plate 6, and the dovetail slide 104 is started again to drive the two clamping frames 3 to further narrow the distance. After the rubber pad 502 is slightly deformed, the material plate 6 can be clamped and fixed.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping structure for laser cutting, comprising a base (1) and a material plate (6), characterized in that: The base (1) is symmetrically provided with connecting grooves (101), a bidirectional screw (102) is rotatably installed in the connecting groove (101), a T-shaped driving seat (2) is symmetrically provided above the base (1), a first threaded sleeve (202) is fixedly connected to the bottom of the T-shaped driving seat (2), the first threaded sleeve (202) and the bidirectional screw (102) are threadedly matched, a clamping frame (3) is provided above the T-shaped driving seat (2), a first through groove (303) is provided on the clamping frame (3), a fixing block (4) is slidably installed in the first through groove (303), a threaded through hole (401) is provided in the fixing block (4), a threaded connecting rod (5) is threadedly installed in the threaded through hole (401), a knob (501) is fixedly connected to the front end of the threaded connecting rod (5), and a rubber pad (502) is fixedly connected to the other side of the knob (501).

2. The clamping structure for laser cutting according to claim 1, characterized in that: A motor (103) is provided on the base (1) and located in front and behind the connecting groove (101), and a dovetail slider (203) is fixedly connected to the bottom of the T-shaped driving seat (2), and the dovetail slider (203) is slidably matched with the motor (103).

3. The clamping structure for laser cutting according to claim 1, characterized in that: A dovetail slide groove (104) is fixedly connected to one side of the base (1), an output end of the dovetail slide groove (104) is fixedly connected to a bidirectional screw rod (102), and fixed feet (105) are fixedly connected to the front and rear surfaces of the base (1).

4. The clamping structure for laser cutting according to claim 1, characterized in that: An adjusting screw (201) is rotatably mounted on the T-shaped driving seat (2), and two connecting plates (301) are symmetrically fixedly connected to the bottom of the clamping frame (3). A second threaded sleeve (302) is fixedly connected to the side of one connecting plate (301), and the second threaded sleeve (302) is threadably matched with the adjusting screw (201).

5. The clamping structure for laser cutting according to claim 1, characterized in that: A first protruding tooth (304) is fixedly connected to the inner wall of the first through groove (303), and a second protruding tooth (402) is fixedly connected to one side of the fixing block (4), and the second protruding tooth (402) cooperates with the first protruding tooth (304).

6. The clamping structure for laser cutting according to claim 1, characterized in that: A second through slot (305) is provided on one side of the fixing block (4), the second through slot (305) is communicated with the interior of the first through slot (303), and the second through slot (305) cooperates with the threaded connecting rod (5).

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