Limiting mechanism for plasma cutting machine

Abstract

The utility model provides a limiting mechanism for a plasma cutting machine, and belongs to the technical field of limiting for plasma cutting machines. The limiting mechanism for the plasma cutting machine comprises a machining table, a clamping mechanism comprises a mounting frame, the mounting frame is arranged at the top of the machining table, a motor is arranged on one side of the mounting frame, and a two-way threaded rod is arranged at the output end of the motor; according to the plasma cutting machine, the gear motor, the lead screw, the mounting frame, the servo motor, the lead screw, the hydraulic cylinder and the plasma cutting machine body are matched with one another, the gear motor is started firstly to drive the lead screw to rotate, the lead screw drives the mounting frame to move transversely, after completion, the servo motor is started to drive the lead screw to rotate, and the lead screw drives the mounting block to move; and the hydraulic cylinder and the plasma cutting machine main body are controlled to synchronously move downwards, so that the workpiece is cut, the plasma cutting machine main body is guided, the position of the plasma cutting machine main body is limited, and the machining precision can be improved.

Description

Technical Field

[0001] The utility model relates to the field of limiting for plasma cutting machines, in particular to a limiting mechanism for plasma cutting machines. Background Art

[0002] Plasma cutting machines are usually used for high-speed, high-precision cutting of metal and other materials. The limit mechanism plays a key role in the plasma cutting machine, which is used to ensure that the cutting tool moves according to the predetermined path and position during the operation, which helps to maintain the accuracy and consistency of the cutting. It generally includes a guide rail, which is a structure used to guide the movement of the cutting tool, and a CNC system, which is a key part for controlling the movement of the cutting tool, and perhaps a servo drive system, which is usually used to control the movement of the guide rail system.

[0003] When a plasma cutting machine needs to be limited, a common plasma cutting device needs to frequently adjust the plasma spray gun when cutting different workpieces. However, the cutting device lacks a corresponding guide mechanism during adjustment to limit the position of the cutting device, which reduces the accuracy of the plasma cutting device during use and is inconvenient for the operator to use. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a limiting mechanism for a plasma cutting machine which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a limiting mechanism for a plasma cutting machine, comprising a processing table,

[0007] A clamping mechanism, wherein the clamping mechanism comprises a mounting frame, the mounting frame is arranged on the top of the processing table, a motor is arranged on one side of the mounting frame, a bidirectional threaded rod is arranged at the output end of the motor, a clamping block is symmetrically arranged on the surface of the bidirectional threaded rod, and a locking bolt is inserted into the top of the clamping block;

[0008] The guide mechanism comprises a mounting frame, the mounting frame moves above the processing table, a servo motor is arranged on one side of the mounting frame, a lead screw is fixedly installed on the output end of the servo motor, a mounting block is threadedly connected to the surface of the lead screw, a hydraulic cylinder is arranged at the bottom of the mounting block, and a plasma cutting machine body is arranged at the bottom of the hydraulic cylinder.

[0009] In a preferred solution, a mounting plate is provided at the bottom of the locking bolt, and an anti-slip layer is provided on the opposite sides of the two groups of clamping blocks.

[0010] In a preferred solution, a fixing frame is provided on the top of the processing table, and a reduction motor is provided on one side of the fixing frame.

[0011] In a preferred solution, a screw rod is provided at the output end of the reduction motor, and the mounting bracket is threadedly connected to the surface of the screw rod.

[0012] In a preferred solution, a bearing sleeve is arranged inside the mounting frame, and one end of the lead screw is connected to the bearing sleeve.

[0013] In a preferred solution, a collecting groove is provided on the surface of the processing table, and the plasma cutting machine body is arranged directly above the collecting groove.

[0014] In a preferred solution, a drawer is slidably mounted inside the processing table, and the drawer is arranged inside the collecting tank.

[0015] In a preferred solution, a PLC controller is provided on the top of the processing table, and supporting legs are provided at the four corners of the bottom of the processing table.

[0016] The utility model provides a limiting mechanism for a plasma cutting machine, and its beneficial effects include:

[0017] 1. Through the mutual cooperation of the reduction motor, lead screw, mounting frame, servo motor, lead screw, hydraulic cylinder and plasma cutting machine body, first, when the workpiece is limited, start the reduction motor to drive the lead screw to rotate, and the lead screw drives the mounting frame to move horizontally. When completed, start the servo motor to drive the lead screw to rotate, and the lead screw drives the mounting block to move. When it moves to the cutting position, control the hydraulic cylinder and the plasma cutting machine body to move downward synchronously, so that the workpiece can be cut, and then the plasma cutting machine body can be guided and its position can be limited, which can improve the accuracy of processing.

[0018] 2. Through the cooperation of the motor, the bidirectional threaded rod, the clamping block and the locking bolt, when the workpiece needs to be processed, first, according to the size of the workpiece, the motor can be started to drive the bidirectional threaded rod to rotate, so that the two sets of clamping blocks move toward each other, so that the workpiece can be limited. When completed, the operator can use the locking bolt to further limit the workpiece, and then workpieces of different sizes can be limited to facilitate the operator's subsequent operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is an overall stereogram provided by the embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the top structure of a processing table provided in an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of the internal structure of the mounting frame provided by the embodiment of the utility model;

[0023] Figure 4 The utility model embodiment provides Figure 3 The enlarged view of point A in the middle;

[0024] In the figure: 1. Clamping mechanism; 11. Motor; 12. Processing table; 13. Mounting frame; 14. Bidirectional threaded rod; 15. Clamping block; 16. Locking bolt; 17. Mounting plate; 18. Anti-skid layer; 19. PLC controller; 2. Guide mechanism; 21. Reducer motor; 22. Fixed frame; 23. Screw; 24. Mounting frame; 25. Servo motor; 26. Mounting block; 27. Hydraulic cylinder; 28. Plasma cutting machine body; 29. ​​Screw; 3. Drawer; 31. Collecting tank; 32. Bearing sleeve. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] Reference Figure 1-Figure 4The utility model provides a technical solution: a limiting mechanism for a plasma cutting machine, comprising a processing table 12, a clamping mechanism 1 and a guiding mechanism 2, wherein the clamping mechanism 1 is a mechanism for clamping and limiting a workpiece, and the guiding mechanism 2 is a mechanism for guiding a plasma cutting machine body 28 and limiting its position, so as to improve the accuracy of processing, and the clamping mechanism 1 comprises a mounting frame 13, the mounting frame 13 is arranged on the top of the processing table 12, a motor 11 is arranged on one side of the mounting frame 13, a bidirectional threaded rod 14 is arranged on the output end of the motor 11, a clamping block 15 is symmetrically arranged on the surface of the bidirectional threaded rod 14, and a locking bolt 16 is inserted on the top of the clamping block 15, and by arranging the locking bolt 16, the workpiece can be further clamped and limited, and the workpiece can be further clamped and limited by a reduction motor 21, a screw rod 23, a mounting frame 24, a servo motor 25, a screw 29, and a hydraulic The hydraulic cylinder 27 and the plasma cutting machine body 28 cooperate with each other, so that when the operator needs to adjust the position of the plasma cutting machine body 28, the operator can first start the reduction motor 21 to drive the screw rod 23 to rotate after the workpiece limit is completed, and the screw rod 23 drives the mounting frame 24 to move horizontally, and move the mounting frame 24 to the position where the workpiece needs to be cut. When completed, the operator can start the servo motor 25 to drive the screw 29 to rotate, and the screw rod 23 drives the mounting block 26 to move. When it moves to the cutting position, the operator can control the hydraulic cylinder 27 and the plasma cutting machine body 28 to move downward synchronously, so that the workpiece can be cut, and then the plasma cutting machine body 28 can be guided and its position can be limited, which can improve the accuracy during processing and facilitate the operator to use.

[0028] Reference Figure 1-Figure 4In a preferred embodiment, the guide mechanism 2 includes a mounting frame 24, which moves above the processing table 12. A servo motor 25 is provided on one side of the mounting frame 24. A lead screw 29 is fixedly installed on the output end of the servo motor 25. A mounting block 26 is threadedly connected to the surface of the lead screw 29. A hydraulic cylinder 27 is provided at the bottom of the mounting block 26. A plasma cutting machine body 28 is provided at the bottom of the hydraulic cylinder 27. Two groups of limit frames are provided on the top of the processing table 12. Limit rods are provided inside the limit frames. The two groups of limit rods can limit the clamping block 15 and the mounting frame 24 respectively. A mounting plate 17 is provided at the bottom of the locking bolt 16. An anti-slip layer 18 is provided on the opposite side of the two groups of clamping blocks 15. By providing the anti-slip layer 18, the stability of the workpiece clamping can be improved. The top of the processing table 12 A fixed frame 22 is provided at the part, a reduction motor 21 is provided on one side of the fixed frame 22, a screw 23 is provided at the output end of the reduction motor 21, a mounting frame 24 is threadedly connected to the surface of the screw 23, a bearing sleeve 32 is provided inside the mounting frame 24, one end of the screw 29 is connected to the bearing sleeve 32, through the mutual cooperation of the motor 11, the bidirectional threaded rod 14, the clamping block 15 and the locking bolt 16, so that when the operator needs to process the workpiece, the operator can first start the motor 11 according to the size of the workpiece to drive the bidirectional threaded rod 14 to rotate, so that the two groups of clamping blocks 15 move toward each other, so that the workpiece can be limited, and when completed, the operator can use the locking bolt 16 to further limit the workpiece, and then workpieces of different sizes can be limited to facilitate the operator's subsequent operations.

[0029] Reference Figure 1-Figure 4 In a preferred embodiment, a collecting groove 31 is provided on the surface of the processing table 12, and the plasma cutting machine body 28 is arranged directly above the collecting groove 31. A drawer 3 is slidably installed inside the processing table 12. By setting the drawer 3, the debris from the workpiece processing can be collected. The drawer 3 is arranged inside the collecting groove 31. A PLC controller 19 is provided on the top of the processing table 12. The PLC controller 19 can be used to control the motor 11, the reduction motor 21, the servo motor 25 and the hydraulic cylinder 27. Support legs are provided at the four corners of the bottom of the processing table 12. By providing the support legs, the stability of the processing table 12 can be improved.

[0030] Specifically, the working process or working principle of the limiting mechanism for a plasma cutting machine is as follows: when a plasma cutting machine needs to be limited, a conventional plasma cutting device needs to frequently adjust the plasma spray gun when cutting different workpieces, but the cutting device lacks a corresponding guide mechanism 2 during adjustment, which reduces the accuracy of the plasma cutting device during use and is inconvenient for the operator to use. Therefore, the technical solution can solve the above problems. When the operator needs to process the workpiece, the operator can first start the motor 11 according to the size of the workpiece to drive the bidirectional threaded rod 14 to rotate, so that the two sets of clamps 15 move toward each other, thereby limiting the workpiece. When completed, the operator can use the locking bolt 16 to further limit the workpiece, thereby limiting workpieces of different sizes. Position for the operator to perform subsequent operations. When the operator needs to adjust the position of the plasma cutting machine body 28, the operator can first start the reduction motor 21 to drive the screw rod 23 to rotate after the workpiece limit is completed, and the screw rod 23 drives the mounting frame 24 to move horizontally, and move the mounting frame 24 to the position where the workpiece needs to be cut. When completed, the operator can start the servo motor 25 to drive the screw 29 to rotate, and the screw rod 23 drives the mounting block 26 to move. When it moves to the cutting position, the operator can control the hydraulic cylinder 27 and the plasma cutting machine body 28 to move downward synchronously, so that the workpiece can be cut, and then the plasma cutting machine body 28 can be guided and its position can be limited, which can improve the accuracy during processing and facilitate the operator to use. All processes are completed here.

[0031] It should be noted that the motor 11, the reduction motor 21, the servo motor 25, the hydraulic cylinder 27 and the PLC controller 19 are all electrically connected to the external power supply and are devices or equipment existing in the prior art, or are devices or equipment that can be realized in the prior art. Their power supply, specific composition and principles are clear to those skilled in the art, so they will not be described in detail.

Claims

1. A limiting mechanism for a plasma cutting machine, comprising a processing table (12), characterized in that: A clamping mechanism (1), the clamping mechanism (1) comprising a mounting frame (13), the mounting frame (13) being arranged on the top of a processing table (12), a motor (11) being arranged on one side of the mounting frame (13), a bidirectional threaded rod (14) being arranged at the output end of the motor (11), a clamping block (15) being symmetrically arranged on the surface of the bidirectional threaded rod (14), and a locking bolt (16) being inserted through the top of the clamping block (15); The guide mechanism (2) comprises a mounting frame (24), the mounting frame (24) moves above the processing table (12), a servo motor (25) is arranged on one side of the mounting frame (24), a lead screw (29) is fixedly mounted on the output end of the servo motor (25), a mounting block (26) is threadedly connected to the surface of the lead screw (29), a hydraulic cylinder (27) is arranged at the bottom of the mounting block (26), and a plasma cutting machine body (28) is arranged at the bottom of the hydraulic cylinder (27).

2. A limiting mechanism for a plasma cutting machine according to claim 1, characterized in that: A mounting plate (17) is provided at the bottom of the locking bolt (16), and an anti-slip layer (18) is provided on the opposite sides of the two groups of clamping blocks (15).

3. A limiting mechanism for a plasma cutting machine according to claim 2, characterized in that: A fixing frame (22) is arranged on the top of the processing table (12), and a reduction motor (21) is arranged on one side of the fixing frame (22).

4. The limiting mechanism for a plasma cutting machine according to claim 3, characterized in that: The output end of the reduction motor (21) is provided with a screw rod (23), and the mounting frame (24) is threadedly connected to the surface of the screw rod (23).

5. The limiting mechanism for a plasma cutting machine according to claim 4, characterized in that: A bearing sleeve (32) is arranged inside the mounting frame (24), and one end of the lead screw (29) is connected to the bearing sleeve (32).

6. The limiting mechanism for a plasma cutting machine according to claim 5, characterized in that: A collecting groove (31) is provided on the surface of the processing table (12), and the plasma cutting machine body (28) is arranged directly above the collecting groove (31).

7. The limiting mechanism for a plasma cutting machine according to claim 6, characterized in that: A drawer (3) is slidably mounted inside the processing table (12), and the drawer (3) is arranged inside the collecting tank (31).

8. The limiting mechanism for a plasma cutting machine according to claim 7, characterized in that: A PLC controller (19) is arranged on the top of the processing table (12), and supporting legs are arranged at the four corners of the bottom of the processing table (12).

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