A positioning and processing device for laser cutting inner holes of sheet metal parts

Abstract

This utility model provides a positioning processing device for laser-cut inner holes in sheet metal parts, belonging to the field of positioning processing technology. It includes a worktable, an electrical control box, a laser cutting head, and a sliding assembly. A telescopic cylinder is vertically mounted on the worktable, and a rotating table is mounted on the telescopic cylinder. An I-shaped bracket is mounted on the rotating table, and suction pumps are symmetrically arranged on the I-shaped bracket. Both suction pumps are connected to suction blocks for adsorbing workpieces. The bottom of the suction blocks has suction holes. A clamping assembly for holding the sheet metal parts is mounted on the worktable. This positioning processing device for laser-cut inner holes in sheet metal parts allows for the exchange of positions between cut and uncut workpieces, reducing the tedious process of manually moving and placing workpieces back and forth, and improving safety and convenience during operation. During the lifting and rotation of the workpiece, friction between the workpiece and the worktable is avoided, reducing wear and scratches on the bottom of the workpiece.

Description

Technical Field

[0001] This utility model belongs to the field of positioning and processing technology, and specifically relates to a positioning and processing device for laser cutting inner holes of sheet metal parts. Background Technology

[0002] In modern manufacturing, laser cutting, as a high-precision and high-efficiency processing technology, plays a crucial role in sheet metal processing, especially in the machining of internal holes. Its processing quality directly affects the overall performance of the sheet metal part and the subsequent assembly accuracy. Positioning is a critical step in the laser cutting of internal holes in sheet metal parts; accurate positioning ensures the position and dimensional requirements of the internal hole. In traditional sheet metal part hole cutting, to improve cutting efficiency, a linear pushing method is used, pushing the cut workpiece to one side while simultaneously pushing the uncut workpiece below the cut.

[0003] Referring to Chinese patent document CN207629289U, entitled "A Workpiece Cutting and Positioning Device," the device includes a support plate, grooves, an L-shaped fixing plate, a fixing piece, a stud, and a cutting blade. The support plate has three grooves arranged in an array. An L-shaped fixing plate is slidably mounted at each end of the groove. The L-shaped fixing plate is used to clamp and fix the workpiece. A fixing piece is provided on the L-shaped fixing plate, and a stud is provided on the fixing piece that can abut against the support plate by rotation. The cutting blade, driven by a drive source, can slide to cut the workpiece. In use, the three grooves and the L-shaped fixing plate can simultaneously clamp and fix three workpieces. After the cutting blade finishes cutting one workpiece, it moves to the second workpiece under the drive source. Simultaneously, the operator can remove the cut workpiece and place the uncut workpiece between two L-shaped fixing plates. The cutting blade operates continuously, improving cutting efficiency.

[0004] Referring to the above technical solutions, after one workpiece is cut, due to the space occupied by the three grooves and the workpiece, the operator needs to move back and forth between the three workpiece placement positions to complete the workpiece placement. Furthermore, when the operator is placing the workpiece, the cutting blade needs to move flexibly during cutting, and the cutting blade is relatively close to the operator, making it difficult to place the workpiece and posing certain safety hazards. When using a linear pushing method to change the workpiece position, friction can easily cause scratches on the bottom of the workpiece. Therefore, this utility model provides a positioning processing device for laser cutting inner holes in sheet metal parts to solve the problems existing in the prior art. Utility Model Content

[0005] The technical problem to be solved by this utility model is to reduce the tedious process of manually moving and placing workpieces back and forth, improve the safety of the work process, avoid friction between the workpiece and the worktable, and reduce wear and scratches.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a positioning processing device for laser cutting inner holes of sheet metal parts, including a worktable, an electrical control box, a laser cutting head, and a sliding component for driving the laser cutting head to move. A telescopic cylinder is vertically installed on the worktable, a rotary table is set on the telescopic cylinder, an I-shaped bracket is installed on the rotary table, and suction pumps are symmetrically arranged on the I-shaped bracket. Both suction pumps are connected to a suction block for adsorbing the workpiece. The bottom of the suction block is provided with a suction hole. A clamping component for clamping the sheet metal parts is installed on the worktable.

[0007] By adopting the above technical solution, the telescopic cylinder can drive the rotary table and the I-shaped support to rise and fall vertically. During the rotation of the I-shaped support on the rotary table, the positions of the cut and uncut workpieces at both ends can be switched. The automated operation can reduce the downtime of the laser cutting head. The air pump and air block are internally connected, and the workpiece can be better adsorbed through the adsorption hole. During the vertical rise and fall of the I-shaped support, the workpiece can be lifted off the surface of the worktable. During the position switching process, the friction between the worktable and the workpiece can be reduced, and the wear and scratches on the bottom of the workpiece can be reduced.

[0008] Optionally, a workpiece rotation plate is provided on the worktable, and a limiting groove is provided on the workpiece rotation plate for limiting the placement of the workpiece.

[0009] By adopting the above technical solution, placing the uncut workpiece in the limiting groove of the workpiece rotating plate can limit the placement position of the sheet metal part, so that the sheet metal part remains stable before adsorption, avoids positional displacement during adsorption, and improves positioning accuracy.

[0010] Optionally, the clamping assembly includes a fixed baffle mounted on a worktable, on which symmetrical grooves are provided, in which sliders are installed, and between two sliders a sliding baffle is installed. A telescopic push rod is mounted on the worktable to drive the sliding baffle to slide.

[0011] By adopting the above technical solution, the fixed baffle and the sliding baffle can limit the front and rear sides of the sheet metal part, and the telescopic push rod provides power for the sliding baffle to slide.

[0012] Optionally, both the fixed baffle and the sliding baffle are provided with slots in an array, and limit blocks for fixing the four corners of the sheet metal parts are installed on the slots.

[0013] By adopting the above technical solution, the limiting block installed in the slot can further limit and clamp the four corners of the sheet metal part.

[0014] Optionally, the sliding assembly includes a vertical sliding module fixedly mounted on the worktable. The vertical sliding modules are configured as two sets and installed symmetrically. A horizontal sliding module is installed on the vertical sliding module, and a longitudinal sliding module is installed on the horizontal sliding module. The longitudinal sliding module is used to drive the laser cutting head to move longitudinally.

[0015] By adopting the above technical solution, the cooperation of the vertical sliding module, the horizontal sliding module and the longitudinal sliding module can realize the movement of the laser cutting head at any position in three-dimensional space, which increases the flexibility and applicability of laser cutting. This allows the device to adapt to sheet metal parts of different sizes and shapes, greatly improving processing efficiency and precision. The three-dimensional sliding design also facilitates precise positioning and adjustment by operators, ensuring the accuracy and stability of cutting.

[0016] Optionally, a waste collection bin is installed at the bottom of the workbench, and a handle is installed on the waste collection bin.

[0017] By adopting the above technical solution, the waste collection box is designed to facilitate the collection of waste generated during the cutting process, keep the workbench clean, and the handle makes it easy for operators to pick up and put in the waste collection box.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] 1. Through the design of the rotary table, suction pump, adsorption block and I-shaped support, the position of the cut workpiece and the uncut workpiece can be automatically switched. Compared with traditional technology, the operator only needs to pick up and put down the workpiece on the workpiece to be rotated, which greatly simplifies the operation process and reduces the intensity of manual labor. Under the action of the telescopic cylinder, the workpiece can be lifted off the surface of the worktable, avoiding direct contact between the workpiece and the worktable, thereby reducing the wear and scratches on the bottom of the workpiece and ensuring the processing quality of the workpiece.

[0020] 2. The design of fixed baffle, sliding baffle and limiting block realizes effective clamping and fixation of sheet metal parts around the perimeter, ensuring the stability of sheet metal parts during the cutting process and further improving cutting accuracy and processing quality.

[0021] 3. The three-dimensional sliding design of the sliding component allows the laser cutting head to move flexibly in three-dimensional space, adapting to sheet metal parts of different sizes and shapes, greatly improving processing efficiency and application range. Attached Figure Description

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0024] Figure 2This is a schematic diagram of the horizontally arranged I-shaped bracket structure of this utility model;

[0025] Figure 3 This is a front view of the present utility model;

[0026] Figure 4 This is a schematic diagram of the slider and sliding baffle of this utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the I-shaped bracket, the air pump, and the adsorption block of this utility model.

[0028] Explanation of reference numerals in the attached drawings: 1. Workbench; 11. Electrical control box; 12. Laser cutting head; 13. Waste collection bin; 14. Handle; 2. Automatic pick-and-place assembly; 21. Telescopic cylinder; 22. Rotary table; 23. I-shaped support; 24. Suction pump; 25. Adsorption block; 26. Workpiece waiting plate; 27. Limiting groove; 3. Clamping assembly; 31. Fixed baffle; 32. Slide groove; 33. Slider; 34. Sliding baffle; 35. Telescopic push rod; 36. Slot; 37. Limiting block; 4. Sliding assembly; 41. Vertical sliding module; 42. Horizontal sliding module; 43. Longitudinal sliding module. Detailed Implementation

[0029] To better understand this utility model, the following embodiments further illustrate its content, but the scope of protection of this utility model is not limited to the embodiments described below. Numerous specific details are set forth in the following description to provide a more thorough understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without one or more of these details.

[0030] like Figure 1-5 As shown, a positioning processing device for laser-cutting inner holes in sheet metal parts includes a worktable 1, an electrical control box 11, a laser cutting head 12, a waste collection box 13, and a handle 14. It also includes an automatic pick-and-place assembly 2, a clamping assembly 3, and a sliding assembly 4. The automatic pick-and-place assembly 2 is mounted on the worktable 1 for exchanging the positions of cut and uncut workpieces. The clamping assembly 3 is disposed on the worktable 1 for clamping and limiting the front and rear sides and four corners of the sheet metal part. The sliding component 4 is configured as a three-dimensional sliding structure. The laser cutting head 12 is mounted on the sliding component 4. The electrical control box 11 is mounted on the side wall of the worktable 1. The electrical control box 11 can precisely move the path in three-dimensional space. The waste collection box 13 is installed at the bottom of the worktable 1. The handle 14 is mounted on the waste collection box 13. The worktable 1 has a cutting path diagram for sheet metal parts. When cutting sheet metal parts, the small scraps generated can fall directly into the waste collection box 13. The handle 14 is mounted on the waste collection box 13 to facilitate the operator to clean the waste collection box 13.

[0031] like Figure 2 , Figure 3 and Figure 5 As shown, the automatic pick-and-place assembly 2 includes a telescopic cylinder 21, a rotary table 22, an I-shaped bracket 23, an air pump 24, an adsorption block 25, an adsorption hole, a workpiece waiting plate 26, and a limiting groove 27. Telescopic cylinder 21 is vertically mounted on worktable 1. Rotary table 22 is mounted on the top of piston rod of telescopic cylinder 21. Rotary table 22 is controlled by drive motor. I-shaped bracket 23 is mounted on rotary table 22. Two suction pumps 24 are symmetrically mounted on I-shaped bracket 23. Four adsorption blocks 25 are set, with two of them located at both ends of I-shaped bracket 23. Two through slots are opened on I-shaped bracket 23, which respectively connect the suction pumps 24 at both ends and the adsorption blocks 25. The adsorption blocks 25 at both ends of I-shaped bracket 23 can adsorb and reposition the cut but uncut workpieces. Adsorption holes are opened at the bottom of adsorption blocks 25. Workpiece rotation plate 26 is mounted on worktable 1. Limiting groove 27 is opened on workpiece rotation plate 26, which can make the uncut workpieces placed in a specific position.

[0032] like Figure 1 and Figure 4 As shown, the clamping assembly 3 includes a fixed baffle 31, a slide groove 32, a slider 33, a sliding baffle 34, a telescopic push rod 35, a slot 36, and a limiting block 37. A fixed baffle 31 is fixedly installed on the worktable 1 to limit the rear side of the sheet metal part. Two symmetrical sliding grooves 32 are provided on the worktable 1. A slider 33 is slidably installed in the sliding groove 32. A telescopic push rod 35 is installed on the worktable 1. The piston rod end of the telescopic push rod 35 is connected to the sliding baffle 34, which can drive the sliding baffle 34 to move closer to or away from the fixed baffle 31. Multiple slots 36 are provided and arrayed on the fixed baffle 31 and the sliding baffle 34 respectively. The limiting block 37 is U-shaped. Under the limitation of the slot 36, the limiting block 37 can only slide vertically and cannot rotate in the slot 36. Two limiting blocks 37 are installed on the fixed baffle 31 and the sliding baffle 34 respectively. By changing the position of the limiting block 37 in the slot 36, the clamping and fixing of sheet metal parts of different specifications can be adjusted.

[0033] like Figure 1 and Figure 2As shown, the sliding assembly 4 includes a vertical sliding module 41, a horizontal sliding module 42, and a longitudinal sliding module 43. The vertical sliding modules 41 are arranged in two symmetrical sets mounted on the worktable 1, used to move the laser cutting head 12 back and forth on the horizontal plane. The horizontal sliding module 42 is mounted on the vertical sliding module 41, used to move the laser cutting head 12 and laser cutting head 24 left and right on the horizontal plane. The longitudinal sliding module 43 is mounted on the horizontal sliding module 42, used to displace the laser cutting head 12 and laser cutting head 24 in the vertical direction. Each of the vertical sliding module 41, horizontal sliding module 42, and longitudinal sliding module 43 consists of a support frame, a drive motor, a lead screw, and a displacement block.

[0034] Working principle: In use, the position of the sliding baffle 34 and the limiting block 37 in the clamping assembly 3 is first adjusted to achieve the limiting and stabilization of the front and rear sides and four corners of the sheet metal part. A workpiece is placed between the sliding baffle 34, the fixed baffle 31 and the four limiting blocks 37. Under the control of the electrical control box 11 and with the cooperation of the sliding assembly 4, the laser cutting head 12 moves in three dimensions and cuts the middle part of the sheet metal part according to the preset cutting path diagram.

[0035] The operator places the sheet metal part to be processed into the limiting groove 27 of the workpiece rotation plate 26, such as... Figure 2 The I-shaped support 23 is initially positioned symmetrically at both ends. After the workpiece on the worktable 1 is cut, the rotary table 22 is activated to rotate the I-shaped support 23 90 degrees in one direction. Then, the telescopic cylinder 21 is used to move the rotary table 22 and the I-shaped support 23 downwards, so that the suction blocks 25 at both ends can suction the cut and uncut workpieces respectively. After that, it is moved upwards, and the rotary table 22 continues to rotate 180 degrees. Figure 1 After completing the swapping of the two workpieces, place the cut workpiece on the workpiece rotation plate 26 and the uncut workpiece on the worktable 1. Continue to rotate the I-shaped bracket 23 ninety degrees to return it to its original position. The swapping of the two workpieces is completed with each rotation of the I-shaped bracket 23.

[0036] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A positioning machining device for laser cutting inner hole of sheet metal part, comprising a workbench (1), an electric control box (11), a laser cutting head (12) and a sliding assembly (4) for driving displacement of the laser cutting head (12), characterized in that: A telescopic cylinder (21) is vertically installed on the workbench (1). A rotary table (22) is provided on the telescopic cylinder (21). An I-shaped bracket (23) is installed on the rotary table (22). Suction pumps (24) are symmetrically arranged on the I-shaped bracket (23). Both suction pumps (24) are connected to an adsorption block (25) for adsorbing workpieces. An adsorption hole is opened at the bottom of the adsorption block (25). A clamping assembly (3) for clamping sheet metal parts is installed on the workbench (1).

2. The positioning and processing device for laser cutting inner holes of sheet metal parts as described in claim 1, characterized in that: The workbench (1) is provided with a workpiece rotation plate (26), and the workpiece rotation plate (26) is provided with a limiting groove (27) for limiting the placement of the workpiece.

3. The positioning and processing device for laser-cut inner holes of sheet metal parts as described in claim 1, characterized in that: The clamping assembly (3) includes a fixed baffle (31) set on the workbench (1), and symmetrically opened slide grooves (32) on the workbench (1). Sliders (33) are installed in the slide grooves (32), and a sliding baffle (34) is installed between the two slides (33). A telescopic push rod (35) for driving the sliding baffle (34) to slide is installed on the workbench (1).

4. The positioning and processing device for laser-cut inner holes of sheet metal parts as described in claim 3, characterized in that: Both the fixed baffle (31) and the sliding baffle (34) are provided with slots (36), and the slots (36) are equipped with limiting blocks (37) for limiting the four corners of the sheet metal parts.

5. The positioning and processing device for laser-cut inner holes of sheet metal parts as described in claim 1, characterized in that: The sliding assembly (4) includes a vertical sliding module (41) fixedly installed on the worktable (1). The vertical sliding module (41) is set in two sets and installed symmetrically. A horizontal sliding module (42) is installed on the vertical sliding module (41), and a longitudinal sliding module (43) is installed on the horizontal sliding module (42). The longitudinal sliding module (43) is used to drive the laser cutting head (12) to move longitudinally.

6. The positioning and processing device for laser-cut inner holes of sheet metal parts as described in claim 1, characterized in that: The bottom of the workbench (1) is equipped with a waste collection box (13), and a handle (14) is installed on the waste collection box (13).

Images