Plasma cutting positioning and clamping tool
By designing a plasma cutting positioning and clamping fixture, and utilizing a combination of a rotating plate, a cutting groove, and a hydraulic rod, the problem of cutting the support block of the cutting nozzle was solved, achieving stable clamping and accurate cutting of railway wheels, and extending the service life of the equipment.
Patent Information
- Application Number
- CN202520314891.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-26
AI Technical Summary
The cutting nozzles of existing plasma cutting equipment are prone to cutting into the support blocks when cutting railway wheels, resulting in damage to the clamping fixtures.
A plasma cutting positioning and clamping fixture was designed, including an L-shaped plate, a positioning and cutting assembly, and an auxiliary positioning assembly. Through the combination of a rotating plate, a cutting groove, and a hydraulic rod, the fixture can stably clamp the railway wheel and adjust the cutting position, avoiding direct contact between the cutting nozzle and the support block.
It effectively avoids damage to the rotating plate and support column by the cutting nozzle, ensures accurate cutting position, prevents cutting position deviation, and improves the service life of the clamping fixture.
Smart Images

Figure CN223811728U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plasma cutting technical field, concretely is plasma cutting positioning clamping frock. BACKGROUND
[0002] The scrapped railway wheel is cut into multiple petals along the center by using the plasma cutting equipment, so that subsequent processing is facilitated.
[0003] Through the search, the application book with patent application number 202420645800.8 discloses an auxiliary positioning frock for cutting railway wheel of plasma cutting machine, including support block and multiple support plates, support plate is equidistantly arranged along the circumference of support block, and the length direction of support plate passes through the center of support block, and the moving clamp block is further arranged on the support plate, and the moving clamp block is provided with a line;
[0004] Although the auxiliary positioning frock for cutting railway wheel of plasma cutting machine supports railway wheel pie through support block and multiple support plates, the moving clamp block on the support plate is used for clamping railway wheel pie, and the line on the moving clamp block is aligned at the edge of wheel pie, and the wheel pie can be cut along the support plate, but the channel of the auxiliary positioning frock for cutting railway wheel of plasma cutting machine does not pass through the support block, so that the cutting nozzle of the plasma cutting equipment is easy to cut the support block when cutting the wheel, and then the clamping frock is damaged.
[0005] Therefore, we propose the plasma cutting positioning clamping frock. UTILITY MODEL CONTENTS
[0006] In view of the deficiencies of the prior art, the utility model provides the plasma cutting positioning clamping frock, solves the problem that the channel of the existing device does not pass through the support block, so that the cutting nozzle of the plasma cutting equipment is easy to cut the support block when cutting the wheel, and then the clamping frock is damaged.
[0007] To achieve the above object, the utility model passes through the following technical scheme: the plasma cutting positioning clamping frock, including L-shaped plate, the top surface of the bottom of L-shaped plate is provided with positioning cutting assembly, the upper side of positioning cutting assembly is provided with auxiliary positioning assembly;
[0008] The positioning cutting assembly includes a rotating plate in the form of a regular dodecagon, the bottom surface of the rotating plate is provided with six cutting grooves arranged in a circular array, the top surface of the rotating plate is provided with a circular hole in communication with the cutting grooves, the bottom surface of the rotating plate is provided with a support column with a hollow interior and open at both top and bottom, the support column is in communication with the circular hole, the sidewall of the support column is provided with a plurality of accommodation grooves corresponding to the cutting grooves and matching in size, and the bottom surface of each accommodation groove is provided with a rotating disc.
[0009] Preferably, the rotating disc is fixedly installed on the output end of the motor, the motor is fixedly installed on the top surface of the bottom of the L-shaped plate, and the motor is a stepping motor, wherein the rotating disc and the clearance slot and the baffle on the top of the rotating disc are driven to rotate by the motor.
[0010] Preferably, the edge of the top surface of the rotating disc is fixedly installed with a regular dodecagon baffle, six first hydraulic rods in annular array are fixedly installed on the side wall of the baffle, a limiting plate is fixedly installed through the side wall of the baffle, and the first hydraulic rods are staggered with the cutting slots, wherein the railway wheel placed in the rotating disc can be clamped and fixed by moving the limiting plate to the middle part of the rotating disc by the first hydraulic rods.
[0011] Preferably, the top end of the top of the L-shaped plate close to the side of the positioning and cutting assembly is fixedly installed with a top plate, the auxiliary positioning assembly comprises a second hydraulic rod fixedly installed on the middle part of the top surface of the top plate, the output end of the second hydraulic rod is fixedly installed on the left side of the top surface of the positioning plate, the position of the positioning plate corresponds to the position of the cutting slot, and a positioning slot with the same specification as the cutting slot is formed through the middle part of the top surface of the positioning plate, wherein the nozzle of the handheld plasma cutting machine can be moved along the inner wall of the positioning slot when the nozzle is used to cut the railway wheel after the positioning plate is driven downward to the appropriate position by the second hydraulic rod, so that the problem of cutting position deviation can be avoided.
[0012] Preferably, the side wall of the top of the L-shaped plate is provided with a limiting slot, the left end surface of the positioning plate is fixedly installed with a limiting block, and the limiting block is slidably sleeved in the limiting slot, wherein the positioning plate can be limited by the limiting slot and the limiting block when the positioning plate moves up and down, so that the position deviation of the positioning plate can be avoided.
[0013] The utility model provides a plasma cutting positioning and clamping tool, which has the following beneficial effects:
[0014] 1. The plasma cutting positioning and clamping tool can avoid the damage of the nozzle to the rotating disc and the supporting column by the setting of the cutting slot and the clearance slot, and can adjust the cutting position of the wheel in the rotating disc by driving the rotating disc to rotate 60 degrees by the motor, and then cut the railway wheel into six sector plates, thereby solving the problem that the channel of the existing device does not pass through the supporting block, causing the nozzle of the plasma cutting equipment to easily cut the supporting block when cutting the wheel, and then causing the damage of the clamping tool.
[0015] 2. The plasma cutting positioning and clamping tool can avoid the cutting position deviation and the occurrence of the cutting position deviation by the setting of the second hydraulic rod, the positioning plate and the positioning slot, and the limiting of the movement of the nozzle by the positioning slot, and the corresponding position of the nozzle and the cutting slot. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic view of the utility model;
[0017] Figure 2 is a structural schematic view of the auxiliary positioning assembly of the utility model;
[0018] Figure 3 is a structural schematic view of the positioning and cutting assembly of the utility model;
[0019] Figure 4 is a side structural schematic view of the positioning and cutting assembly of the utility model.
[0020] In the figure: 1, L-shaped plate; 11, top plate; 12, limiting groove; 2, positioning and cutting assembly; 21, rotating plate; 211, round hole; 22, baffle; 23, cutting groove; 24, supporting column; 25, giving way groove; 26, rotating plate; 27, motor; 28, first hydraulic rod; 29, limiting plate; 3, auxiliary positioning assembly; 31, second hydraulic rod; 32, positioning plate; 33, positioning groove; 34, limiting block. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Embodiment 1:
[0023] As Figures 1-4As shown: The device includes an L-shaped plate 1. A positioning and cutting assembly 2 is mounted on the top surface of the bottom of the L-shaped plate 1. An auxiliary positioning assembly 3 is mounted above the positioning and cutting assembly 2. The positioning and cutting assembly 2 includes a dodecagonal rotating plate 21. The bottom surface of the rotating plate 21 has six grooves 23 arranged in a circular array. A circular hole 211 communicating with the grooves 23 is opened in the center of the top surface of the rotating plate 21. A hollow support column 24 with openings at both the top and bottom is fixedly installed in the center of the bottom surface of the rotating plate 21. The support column 24 is connected to the circular hole 211. A clearance groove 25, corresponding to and matching the specifications of the grooves 23, is opened on the side wall of the support column 24. A turntable 26 is fixedly installed on the bottom surface of the clearance groove 25. The turntable 26 is fixedly installed on the output end of the motor 27. Motor 27 is fixedly installed on the top surface of the bottom of L-shaped plate 1. Motor 27 is a stepper motor. A dodecagonal baffle 22 is fixedly installed at the edge of the top surface of the rotating plate 21. Six first hydraulic rods 28 arranged in a ring array are fixedly installed on the side wall of the baffle 22. The output end of the first hydraulic rods 28 is fixedly installed through the side wall of the baffle 22 and a limit plate 29 is fixedly installed. The first hydraulic rods 28 and the cutting groove 23 are staggered. The railway wheel is cut by the cutting nozzle of the handheld plasma cutter. The cutting groove 23 and the clearance groove 25 can prevent the cutting nozzle from damaging the rotating plate 21 and the support column 24. The motor 27 drives the turntable 26 to rotate 60°, and then the cutting position of the wheel inside the rotating plate 21 can be adjusted, and then the railway wheel is cut into six fan-shaped plates.
[0024] Example 2:
[0025] like Figures 1-2 As shown: A top plate 11 is fixedly installed on the top of the L-shaped plate 1 near the positioning and cutting assembly 2. The auxiliary positioning assembly 3 includes a second hydraulic rod 31 fixedly installed in the middle of the top surface of the top plate 11. The output end of the second hydraulic rod 31 is fixedly installed on the left side of the top surface of the positioning plate 32. The position of the positioning plate 32 corresponds to the position of the cutting groove 23. A positioning groove 33 of the same specification as the cutting groove 23 is opened through the middle of the top surface of the positioning plate 32. A limiting groove 12 is opened on the side wall of the top of the L-shaped plate 1. A limiting block 34 is fixedly installed on the left end face of the positioning plate 32. The limiting block 34 is slidably fitted inside the limiting groove 12. Through the setting of the second hydraulic rod 31, the positioning plate 32 and the positioning groove 33, the movement of the cutting nozzle is limited by the positioning groove 33, so that the position of the cutting nozzle corresponds to the position of the cutting groove 23, which can avoid the problem of cutting position deviation.
[0026] The working principle and use process of the utility model: the equal ion cutting positioning and clamping tool, when using, place the railway wheel in the inside of the rotating plate 21, then start the first hydraulic rod 28 to push the limiting plate 29 and the arc surface contact of the railway wheel, then six limiting plates 29 push the railway wheel to the middle of the top surface of the rotating plate 21, then start the second hydraulic rod 31 to push the positioning plate 32 downwards, make the positioning plate 32 be at the proper height above the railway wheel, then move the cutting nozzle of the handheld plasma cutting machine along the inner wall of the positioning groove 33, can cut the railway wheel, through the setting of the cutting groove 23 and the giving way groove 25, can avoid the cutting nozzle damaging the rotating plate 21 and the supporting column 24, start the motor 27 to drive the rotating disc 26 to rotate 60 DEG, then can adjust the cutting position of the wheel in the rotating plate 21, then cut the railway wheel into six sector plates.
[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims involved.
[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, the skilled person should regard the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that the skilled person can understand. Thus, the scope of the application is to be determined solely by the appended claims and their legal equivalents, and not by the explanations set forth above.
Claims
1. A plasma cutting positioning and clamping fixture, characterized in that: The utility model provides a cutting device for L-shaped plate, including L-shaped plate (1), the top surface of bottom is provided with positioning cutting assembly (2), the top of positioning cutting assembly (2) is provided with auxiliary positioning assembly (3); The positioning cutting assembly (2) includes a regular dodecagon rotating plate (21), the bottom surface of the rotating plate (21) is provided with six ring arrayed cutting grooves (23), the top surface of the rotating plate (21) is provided with a circular hole (211) in the middle, the bottom surface of the rotating plate (21) is fixedly installed with a hollow support column (24) with open upper and lower ends, the support column (24) is communicated with the circular hole (211), the sidewall of the support column (24) is provided with a corresponding and matching displacement slot (25), and the bottom surface of the displacement slot (25) is fixedly installed with a rotating disc (26).
2. The plasma cutting fixture of claim 1, wherein: The rotating disc (26) is fixedly installed on the output end of a motor (27), the motor (27) is fixedly installed on the top surface of the bottom of the L-shaped plate (1), and the motor (27) is a stepping motor.
3. The plasma cutting fixture of claim 1, wherein: The edge of the top surface of the rotating plate (21) is fixedly installed with a regular dodecagon baffle (22), the sidewall of the baffle (22) is fixedly installed with six ring arrayed first hydraulic rods (28), the output end penetrates the sidewall of the baffle (22) and is fixedly installed with a limiting plate (29), and the first hydraulic rods (28) are staggered with the cutting grooves (23).
4. The plasma cutting fixture of claim 1, wherein: The top end of the top of the L-shaped plate (1) near one side of the positioning cutting assembly (2) is fixedly installed with a top plate (11), the auxiliary positioning assembly (3) includes a second hydraulic rod (31) fixedly installed on the top surface of the middle of the top plate (11), the output end of the second hydraulic rod (31) is fixedly installed on the left side of the top surface of a positioning plate (32), the positioning plate (32) is corresponding with the position of the cutting groove (23), and the top surface of the positioning plate (32) is provided with a positioning groove (33) with the same size as the cutting groove (23).
5. The plasma cutting fixture of claim 4, wherein: The sidewall of the top of the L-shaped plate (1) is provided with a limiting slot (12), the left end surface of the positioning plate (32) is fixedly installed with a limiting block (34), and the limiting block (34) is slidably sleeved in the limiting slot (12).
Citation Information
Patent Citations
Auxiliary positioning tool for plasma cutting machine to cut railway wheels
CN222243050U