A multi-angle cutting device for cable tray production and its operation method

Abstract

The present invention discloses a multi-angle cutting device for cable tray production and its operation method, which is applied in the technical field of cable tray production. At the moment when the cable tray is clamped by the concave pressing plate and the concave supporting plate, the first linear motor and the second linear motor drive it to move in the same direction and at the same speed as the cable tray. Then, the upper sealing pad and the lower sealing pad seal the cable tray. After that, water source is input into the interior of the concave pressing plate through the water injection port, and the water source is compressed into a high-pressure water jet through the nozzle groove and then shot out at one time to cut the cable tray, and the water flows out through the drain port. It achieves the setting that the cable tray can be cut by water jet while it is moving, and avoids the water flow splashing and seepage after cutting. Compared with the traditional water jet cutting equipment for cable trays, the present invention not only improves the cutting efficiency of the cable tray, but also solves the problem that the water source of the existing water jet cutting equipment will seep everywhere, greatly improving the practical performance of the cutting equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of cable tray production, and particularly relates to a multi-angle cutting device for cable tray production and an operation method thereof. Background Art

[0002] Cable trays are generally applicable to large enterprises, large-scale engineering power transformation, cable erection, large bridges, cable laying in subways, and offshore drilling. Most of the existing cable trays are made of an integral metal frame, which not only makes the overall structure heavy but also expensive, making it unfavorable for transportation, disassembly, and widespread use. Moreover, the production equipment of cable trays directly determines the quality of cable tray products, so it is particularly important;

[0003] Currently, a Chinese invention with the publication number CN109693003A discloses a multi-angle cutting device for cable tray production, including a workbench. A vertical plate and two brackets are fixedly installed on the top of the workbench. A first sliding rod is fixedly connected between the two brackets. A first sliding sleeve is movably sleeved on the outer circular surface of the first sliding rod. A second sliding rod is fixedly connected to the top of the first sliding sleeve. A second sliding sleeve is sleeved on the outer circular surface of the second sliding rod, and a horizontal feeding plate is fixedly connected to the left side of the outer circular surface of the second sliding sleeve. The bottom of the other end of the second sliding rod is fixedly connected to a threaded sleeve, and a lead screw is threadedly connected to the inner circle of the threaded sleeve. The present invention solves the problems that the existing cable tray cutting machine cannot perform cutting work on right angles and oblique angles on one device, and cannot adjust to a suitable height according to the height of the user. Working for a long time will cause physical harm;

[0004] The existing cutting equipment for cable tray production is mainly divided into saw blade cutting, water jet cutting, laser cutting, etc. Since laser cutting has a high cost, saw blade cutting and water jet cutting are mainly commonly used. Among them, water jet cutting is to pressurize the water flow to make it reach a certain flow rate and eject it through a very small narrow opening to form a high-speed water flow, thereby cutting the cable tray. However, when the current water jet cutting equipment cuts, the water flow will splash and seep everywhere after passing through the cable tray to be cut, easily causing the surrounding electrical equipment to get water, especially having a greater impact on the electrical equipment inside the water jet cutting equipment itself. Moreover, when the cable tray is being cut, it is always in a moving state driven by the conveying equipment. Therefore, whenever the cable tray is cut, the conveying equipment must stop, so that the cable tray maintains a static state for water jet cutting, which is quite inefficient;

[0005] In order to solve the above problems, we propose a multi-angle cutting device for cable tray production and an operation method thereof. Summary of the Invention

[0006] The object of the present invention is to provide a multi-angle cutting device for cable tray production, and its advantage is that it can perform water jet cutting on the cable tray while it is moving, and avoid the water flow splashing and seeping after cutting.

[0007] The above technical object of the present invention is achieved through the following technical solutions: A multi-angle cutting device for cable tray production, including a support frame, an installation plate is installed inside the support frame, a top frame plate is installed on the top of the support frame, a first linear motor is installed inside the top frame plate, two first cylinders are symmetrically installed on one side of the bottom of the first linear motor, the output ends of the two first cylinders are fixedly connected with a concave pressing plate, upper sealing gaskets are bonded to both sides of the bottom of the concave pressing plate, a nozzle groove is opened at the bottom of the concave pressing plate, a water injection port communicating with the nozzle groove is opened on one side of the concave pressing plate, a second linear motor is installed inside the installation plate, two second cylinders are symmetrically installed on one side of the top of the second linear motor, the output ends of the second cylinders are fixedly installed with a concave supporting plate, lower sealing gaskets are bonded to both sides inside the concave supporting plate, and a drain port is opened at the bottom of the concave supporting plate.

[0008] Adopting the above technical solutions, first, the concave pressing plate and the concave supporting plate clamp the cable tray. At the same time, when clamping, the first linear motor and the second linear motor are restarted to drive the concave pressing plate and the concave supporting plate to move in the same direction and at the same speed as the cable tray respectively. Then, the two ends of the cable tray are sealed by the upper sealing gasket and the lower sealing gasket. At the same time, the front and back sides of the cable tray are also sealed by the concave pressing plate and the concave supporting plate. After that, water source is input into the inside of the concave pressing plate through the water injection port, and the water source is compressed into a high-pressure water jet through the nozzle groove, and then ejected from the concave groove of the nozzle groove to cut the cable tray at one time, and the water after cutting flows out through the drain port. This setting achieves the purpose of performing water jet cutting on the cable tray while it is moving and avoiding the water flow splashing and seeping after cutting. Compared with the traditional equipment for water jet cutting cable trays, the present invention not only improves the cutting efficiency of the cable tray, but also solves the problem that the water source of the existing water jet cutting equipment will seep everywhere, greatly improving the practical performance of the cutting equipment.

[0009] The present invention is further provided as follows: A water storage tank is installed at the bottom of the support frame, a drain spring tube fixedly communicating with the drain port is fixedly connected to the top of the water storage tank, a water pump is installed on one side of the water storage tank, the input end of the water pump is communicated with the water storage tank, the output end of the water pump is fixedly connected with a water delivery pipe, and the end of the water delivery pipe away from the water pump is communicated with a water injection spring tube communicating with the water injection port.

[0010] With the above technical solution, the water flow discharged from the drain port is introduced into the internal water storage of the water storage tank through the drain spring tube, and the water source inside the water storage tank is pumped out by the water pump, and then through the delivery of the water delivery pipe and the injection spring tube, so as to recycle the water source. At the same time, the drain spring tube and the injection spring tube are also set to facilitate stretching and contraction following the movement of the concave pressing plate and the concave supporting plate to normally deliver the water flow.

[0011] The present invention is further configured as: sealing rings are sleeved and adhered to both the input end of the water pump and the end of the injection spring tube close to the injection port.

[0012] With the above technical solution, the sealing performance is improved to prevent the water source from leaking through the gaps.

[0013] The present invention is further configured as: a sliding frame is slidably connected inside the water storage tank, and a filter screen is installed inside the sliding frame.

[0014] With the above technical solution, the water source flowing back inside the drain spring tube can be filtered by setting the filter screen, thereby improving the cleanliness of the recycled water source. The sliding frame can be pulled out of the water storage tank to clean the sundries on the top of the filter screen.

[0015] The present invention is further configured as: support legs are installed at the bottom of the support frame, and a bottom plate is installed at the bottom of the support legs.

[0016] With the above technical solution, the support frame is supported, the friction is increased, and the stability of the support frame is improved.

[0017] The present invention is further configured as: a conveying wheel is rotatably connected inside the support frame, and an anti-slip pad is sleeved on the surface of the conveying wheel.

[0018] With the above technical solution, the friction on the surface of the conveying wheel is increased, facilitating the movement of the cable tray on its top.

[0019] The present invention is further configured as: elastic pads fixedly connected to the concave pressing plate and the concave supporting plate respectively are fixedly installed at the output ends of the first cylinder and the second cylinder.

[0020] With the above technical solution, the concave pressing plate and the concave supporting plate can be buffered when pressing the cable tray, avoiding deformation of the cable tray. At the same time, through the deformation ability of the elastic pad, when the heights of the two first cylinders and the two second cylinders for pushing the concave pressing plate and the concave supporting plate are different, the concave pressing plate and the concave supporting plate can be slightly inclined at an angle, so as to cut the cable tray at different angles.

[0021] The present invention is further configured as: moving wheels are rotatably connected to both sides inside the concave supporting plate.

[0022] With the above technical solution, by contacting the moving wheels with both ends of the cable tray, the concave supporting plate can be conveniently moved in the reverse direction at the bottom of the cable tray, and at the same time, it can play a role in supporting the cable tray.

[0023] The present invention is further configured as: an air separation groove is provided inside the concave supporting plate.

[0024] With the above technical solution, a space is left between the concave supporting plate and the nozzle groove to avoid the water jet damaging the concave supporting plate due to too close a distance. At the same time, the bottom of the cable tray can be suspended, so that the water jet inside the nozzle groove can flow into the drain port after cutting.

[0025] The above technical object of the present invention is also achieved by the following technical solution: an operation method of a multi-angle cutting device for cable tray production, including the following steps.

[0026] Step 1: First, rotate the conveying wheels to move the cable tray inside the support frame. Then, start the first linear motor and the second linear motor to drive the concave pressing plate and the concave supporting plate to move in the reverse direction towards the cable tray, and start the second cylinder to drive the concave supporting plate to move slightly downward, so that the cable tray can be clamped between the concave pressing plate and the concave supporting plate. Then, start the first cylinder and the second cylinder respectively to drive the concave pressing plate and the concave supporting plate to approach each other to clamp the cable tray. At the same time, at the moment of clamping, the first linear motor and the second linear motor are restarted to drive the concave pressing plate and the concave supporting plate to move in the same direction and at the same speed as the cable tray.

[0027] Step 2: Then, seal both ends of the cable tray through the upper gasket and the lower gasket inside the concave pressing plate and the concave supporting plate. At the same time, when the concave pressing plate presses down, it seals the front and back sides of the cable tray with the concave supporting plate. Start the water pump to pump out the water source inside the water storage tank, and through the transportation of the water pipe and the injection spring pipe, input the water source into the concave pressing plate through the injection port. And by reducing the outflow area of the water source through the nozzle groove, the water source is compressed into a high-pressure water jet, and then ejected from the concave groove of the nozzle groove to cut the cable tray at one time. Then, through the sealing of the cable tray by the concave pressing plate and the concave supporting plate, the cut water source flows into the water storage tank through the drain port and is filtered by the filter screen and reused.

[0028] Step 3, finally, during the process of the first linear motor and the second linear motor moving in the same direction and at the same speed as the cable tray, the cable tray is quickly cut off. The first cylinder and the second cylinder drive the concave pressing plate and the concave supporting plate to move away from the cable tray respectively, opening the cutting part of the cable tray. At this time, the front-end cut-off cable tray will be pushed forward by the cable tray waiting to be cut at the back, and the concave supporting plate will hold the cutting opening of the rear-end cable tray through the moving wheels and utilize the rotation of the moving wheels, thus not affecting the normal movement of the cable tray. Then, the first linear motor and the second linear motor drive the concave pressing plate and the concave supporting plate to move in the opposite direction of the cable tray movement again. After moving to the corresponding position, they clamp the cable tray and perform water jet cutting again.

[0029] In summary, the present invention has the following beneficial effects:

[0030] In the present invention, the cable tray is clamped by the concave pressing plate and the concave supporting plate. At the moment of clamping, the first linear motor and the second linear motor are restarted to drive the concave pressing plate and the concave supporting plate to move in the same direction and at the same speed as the cable tray respectively. Then, the two ends of the cable tray are sealed by the upper sealing gasket and the lower sealing gasket. At the same time, the concave pressing plate and the concave supporting plate also seal the front and back sides of the cable tray. After that, the water source is input into the interior of the concave pressing plate through the water injection port, and the water source is compressed into a high-pressure water jet through the nozzle groove and then ejected from the concave groove of the nozzle groove, cutting off the cable tray at one time, and enabling the cut water source to flow out through the drain port. This setting achieves the ability to perform water jet cutting on the cable tray while it is moving and avoids the splashing and seepage of the water after cutting. Compared with the traditional equipment for water jet cutting of cable trays, the present invention not only improves the cutting efficiency of the cable tray, but also solves the problem that the water source of the existing water jet cutting equipment will seep everywhere, greatly improving the practical performance of the cutting equipment. Description of the Drawings

[0031] Figure 1 is a schematic structural diagram of the present invention;

[0032] Figure 2 is a cross-sectional view of the structure of the present invention;

[0033] Figure 3 is a side cross-sectional view of the partial structure of the present invention;

[0034] Figure 4 is the present invention Figure 2 magnified view of part A in.

[0035] Reference numerals: 1, support frame; 2, mounting plate; 3, top frame plate; 4, first linear motor; 5, first cylinder; 6, concave pressing plate; 7, second linear motor; 8, second cylinder; 9, concave supporting plate; 10, lower gasket; 11, upper gasket; 12, nozzle groove; 13, drain port; 14, water injection port; 15, air separation groove; 16, drain spring tube; 17, water pump; 18, water delivery pipe; 19, water injection spring tube; 20, sealing ring; 21, sliding frame; 22, filter screen; 23, support leg; 24, bottom plate; 25, conveying wheel; 26, anti-slip pad; 27, elastic pad; 28, moving wheel; 29, water storage tank. Detailed implementation mode

[0036] The present invention will be further described in detail below with reference to the accompanying drawings.

[0037] Example 1:

[0038] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4, A multi-angle cutting device for cable tray production, including a support frame 1. Inside the support frame 1, there is an installation plate 2. On the top of the support frame 1, there is a top frame plate 3. The installation plate 2 and the top frame plate 3 can support and install the cutting components. Inside the top frame plate 3, there is a first linear motor 4, which is used to drive the movement of the concave pressing plate 6. On one side of the bottom of the first linear motor 4, two first cylinders 5 are symmetrically installed, which push the concave pressing plate 6 to move up and down. The output ends of the two first cylinders 5 are fixedly connected to the concave pressing plate 6. On both sides of the bottom of the concave pressing plate 6, upper sealing gaskets 11 are bonded. When the concave pressing plate 6 presses down, the two ends inside the cable tray are sealed. On the bottom of the concave pressing plate 6, there is a nozzle groove 12. The concave nozzle groove 12 can make the water source eject according to its shape, so as to directly cut the concave cable tray at one time. On one side of the concave pressing plate 6, there is a water injection port 14 communicating with the nozzle groove 12, which enables the water source to quickly enter the inside of the concave pressing plate 6. Inside the installation plate 2, there is a second linear motor 7, which is used to drive the movement of the concave supporting plate 9. On one side of the top of the second linear motor 7, two second cylinders 8 are symmetrically installed, which drive the concave supporting plate 9 to move up and down. The output ends of the second cylinders 8 are fixedly installed with the concave supporting plate 9. On both sides of the inside of the concave supporting plate 9, lower sealing gaskets 10 are bonded. When the concave supporting plate 9 presses up, the two ends outside the cable tray are sealed. On the bottom of the concave supporting plate 9, there is a drain port 13 to drain the water flow after cutting; First, the concave pressing plate 6 and the concave supporting plate 9 clamp the cable tray. At the same time, at the moment of clamping, the first linear motor 4 and the second linear motor 7 are restarted to drive the concave pressing plate 6 and the concave supporting plate 9 to move in the same direction and at the same speed as the cable tray respectively. Then, the two ends of the cable tray are sealed through the upper sealing gaskets 11 and the lower sealing gaskets 10. At the same time, the concave pressing plate 6 and the concave supporting plate 9 also seal the front and back sides of the cable tray. After that, the water source is input into the inside of the concave pressing plate 6 through the water injection port 14, and the water source is compressed into a high-pressure water jet through the nozzle groove 12, and then ejected through the concave groove of the nozzle groove 12 to cut the cable tray at one time, and the water flow after cutting flows out through the drain port 13. This setting achieves the function of water jet cutting the cable tray while it is moving and avoids the splashing and seepage of the water flow after cutting. Compared with the traditional water jet cutting equipment for cable trays, the present invention not only improves the cutting efficiency of the cable tray; at the same time, it also solves the problem that the water source of the existing water jet cutting equipment will seep everywhere, greatly improving the practical performance of the cutting equipment.

[0039] Reference Figure 1 and Figure 2, a water storage tank 29 is installed at the bottom of the support frame 1. The top of the water storage tank 29 is fixedly connected and communicated with a drainage spring tube 16 fixedly connected to the drainage port 13. A water pump 17 is installed on one side of the water storage tank 29. The input end of the water pump 17 is communicated with the water storage tank 29. The output end of the water pump 17 is fixedly connected and communicated with a water delivery pipe 18. The end of the water delivery pipe 18 away from the water pump 17 is communicated with a water injection spring tube 19 communicated with the water injection port 14. The water flow discharged from the drainage port 13 is introduced into the interior of the water storage tank 29 through the drainage spring tube 16 for storage, and the water source inside the water storage tank 29 is pumped out by the water pump 17, and then through the delivery of the water delivery pipe 18 and the water injection spring tube 19, so as to recycle the water source. At the same time, the setting of the drainage spring tube 16 and the water injection spring tube 19 also facilitates stretching and contracting with the movement of the concave pressing plate 6 and the concave supporting plate 9 to conduct normal water flow delivery.

[0040] Reference Figure 2 , sealing rings 20 are sleeved and adhered to the input end of the water pump 17 and the end of the water injection spring tube 19 close to the water injection port 14 to improve the sealing performance and prevent the water source from leaking through the gaps.

[0041] Reference Figure 2 , a sliding frame 21 is slidably connected inside the water storage tank 29, and a filter screen 22 is installed inside the sliding frame 21. By setting the filter screen 22, the water source flowing back inside the drainage spring tube 16 can be filtered, thereby improving the cleanliness of the recycled water source. The sliding frame 21 can be pulled out of the interior of the water storage tank 29 to clean the sundries on the top of the filter screen 22.

[0042] Reference Figure 1 and Figure 2 , support legs 23 are installed at the bottom of the support frame 1, and a bottom plate 24 is installed at the bottom of the support legs 23 to support the support frame 1, increase the friction force, and improve the stability of the support frame 1.

[0043] Reference Figure 1 and Figure 2 , a conveying wheel 25 is rotatably connected inside the support frame 1, and an anti-slip pad 26 is sleeved on the surface of the conveying wheel 25 to increase the friction force on the surface of the conveying wheel 25 and facilitate the movement of the cable tray on its top.

[0044] Reference Figure 2 and Figure 4, elastic pads 27 fixedly connected to the concave pressing plate 6 and the concave supporting plate 9 respectively are fixedly installed at the output ends of the first cylinder 5 and the second cylinder 8, which can buffer when the concave pressing plate 6 and the concave supporting plate 9 press the cable tray, avoid deformation of the cable tray, and at the same time, through the deformation ability of the elastic pad 27, when the two first cylinders 5 and the two second cylinders 8 push the concave pressing plate 6 and the concave supporting plate 9 at different heights, the concave pressing plate 6 and the concave supporting plate 9 can be slightly tilted at an angle, so as to cut the cable tray at different angles.

[0045] Reference Figure 2 , Figure 3 and Figure 4 , moving wheels 28 are rotatably connected to both sides inside the concave supporting plate 9. By contacting the two ends of the cable tray through the moving wheels 28, the concave supporting plate 9 can be easily moved in the reverse direction at the bottom of the cable tray, and at the same time, it can play a role in supporting the cable tray.

[0046] Reference Figure 2 , Figure 3 and Figure 4 , an air separation groove 15 is formed inside the concave supporting plate 9 to leave a space between the concave supporting plate 9 and the nozzle groove 12, avoid the water jet damaging the concave supporting plate 9 due to too close distance, and at the same time, the bottom of the cable tray can be suspended, so as to facilitate the water jet inside the nozzle groove 12 to flow into the drain port 13 after cutting.

[0047] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contributions according to needs after reading this specification, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A multi-angle cutting device for cable tray production, comprising a support frame (1), characterized in that, An installation plate (2) is installed inside the support frame (1). A top frame plate (3) is installed at the top of the support frame (1). A first linear motor (4) is installed inside the top frame plate (3). On one side of the bottom of the first linear motor (4), two first cylinders (5) are symmetrically installed. The output ends of the two first cylinders (5) are fixedly connected to a concave pressing plate (6). Upper sealing gaskets (11) are bonded to both sides of the bottom of the concave pressing plate (6). A nozzle groove (12) is formed at the bottom of the concave pressing plate (6). A water injection port (14) communicating with the nozzle groove (12) is formed on one side of the concave pressing plate (6). A second linear motor (7) is installed inside the installation plate (2). On one side of the top of the second linear motor (7), two second cylinders (8) are symmetrically installed. The output ends of the second cylinders (8) are fixedly installed with a concave supporting plate (9). Lower sealing gaskets (10) are bonded to both sides inside the concave supporting plate (9). A drain port (13) is formed at the bottom of the concave supporting plate (9). A water storage tank (29) is installed at the bottom of the support frame (1). A drain spring tube (16) fixedly communicating with the drain port (13) is fixedly connected to the top of the water storage tank (29). A water pump (17) is installed on one side of the water storage tank (29). The input end of the water pump (17) is communicated with the water storage tank (29). The output end of the water pump (17) is fixedly communicated with a water delivery pipe (18). One end of the water delivery pipe (18) far away from the water pump (17) is communicated with a water injection spring tube (19) communicating with the water injection port (14). Sealing rings (20) are sleeved and bonded on the input end of the water pump (17) and the end of the water injection spring tube (19) close to the water injection port (14). A sliding frame (21) is slidably connected inside the water storage tank (29). A filter screen (22) is installed inside the sliding frame (21).

2. The multi-angle cutting device for cable tray production according to claim 1, wherein, Support legs (23) are installed at the bottom of the support frame (1). A bottom plate (24) is installed at the bottom of the support legs (23).

3. The multi-angle cutting device for cable tray production according to claim 2, characterized in that, A conveying wheel (25) is rotatably connected inside the support frame (1). An anti-slip pad (26) is sleeved on the surface of the conveying wheel (25).

4. The multi-angle cutting device for cable tray production according to claim 3, wherein, Elastic pads (27) fixedly connected to the concave pressing plate (6) and the concave supporting plate (9) respectively are fixedly installed at the output ends of the first cylinder (5) and the second cylinder (8).

5. An angle cutting device for cable tray production according to claim 4, characterized in that, Moving wheels (28) are rotatably connected to both sides inside the concave supporting plate (9).

6. The multi-angle cutting device for cable tray production according to claim 5, characterized in that, An air separation groove (15) is formed inside the concave supporting plate (9).

7. The operation method of a multi-angle cutting device for cable tray production according to any one of claims 5 - 6 includes the following steps Step 1: First, rotate the conveyor wheel (25) to move the cable tray inside the support frame (1). Then, start the first linear motor (4) and the second linear motor (7) to drive the concave pressure plate (6) and the concave support plate (9) to move in the opposite direction towards the cable tray. Start the second cylinder (8) to drive the concave support plate (9) to move slightly downward, so that the cable tray can be clamped between the concave pressure plate (6) and the concave support plate (9). Then, start the first cylinder (5) and the second cylinder (8) respectively to drive the concave pressure plate (6) and the concave support plate (9) to move closer to clamp the cable tray. At the moment of clamping, the first linear motor (4) and the second linear motor (7) are restarted to drive the concave pressure plate (6) and the concave support plate (9) to move in the same direction and at the same speed as the cable tray; Step 2: Then, seal both ends of the cable tray through the upper gasket (11) and the lower gasket (10) inside the concave pressure plate (6) and the concave support plate (9). At the same time, when the concave pressure plate (6) presses down, it seals the front and back sides of the cable tray with the concave support plate (9). Start the water pump (17) to pump out the water source inside the water storage tank (29). Through the transportation of the water pipe (18) and the water injection spring pipe (19), the water source is input into the inside of the concave pressure plate (6) through the water injection port (14). And through the nozzle groove (12), the outflow area of the water source is reduced, so as to compress the water source into a high-pressure water jet, and then shoot out through the concave groove of the nozzle groove (12) to cut the cable tray at one time. Then, through the sealing of the cable tray by the concave pressure plate (6) and the concave support plate (9), the cut water source flows into the inside of the water storage tank (29) through the drain port (13) and is filtered by the filter screen (22) and reused; Step 3: Finally, quickly cut the cable tray during the process of the first linear motor (4) and the second linear motor (7) moving in the same direction and at the same speed as the cable tray. Drive the concave pressure plate (6) and the concave support plate (9) to move away from the cable tray respectively through the first cylinder (5) and the second cylinder (8) to open the cutting part of the cable tray. At this time, the front-end cut cable tray will be pushed forward by the cable tray waiting to be cut at the back, and the concave support plate (9) will support the cutting port of the rear-end cable tray through the moving wheel (28). By using the rotation of the moving wheel (28), the normal movement of the cable tray is not affected. Then, drive the concave pressure plate (6) and the concave support plate (9) to move in the opposite direction of the cable tray movement through the first linear motor (4) and the second linear motor (7) again. After moving to the corresponding position, clamp the cable tray and perform water jet cutting again.

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