Device for cutting PVC (polyvinyl chloride) trunking

Abstract

The invention provides a device for cutting PVC trunkings, and belongs to the technical field of PVC trunkings, residues attached to the back wall of a cutting edge are brushed down through a brush, the cutting edge is prevented from being mixed with the residues and rubbing a bearing table, loss increase of the cutting edge is avoided, and the service life of the device for cutting the PVC trunkings is prolonged; the organic silicon lubricating grease in the storage opening uniformly surges downwards along the back wall of the cutting edge, so that the cutting edge is prevented from being protected by the organic silicon lubricating grease, the rubbing effect between the cutting edge and the bearing table is prevented from being increased, and the protection performance of the cutting edge and the bearing table is enhanced; the bottom of the sealing strip is embedded into the strip-shaped opening, so that the brush is prevented from extending into the space between the sealing strip and the cutting edge when crossing the sealing strip, and residues on the brush are prevented from being attached to the cutting edge again; the residues of the PVC wire groove embedded into the positioning opening are pushed out of the positioning opening through the arrangement equipment, the residues of the PVC wire groove embedded into the positioning opening are prevented from obstructing downward operation of the bearing seat, and therefore smooth operation of the cutting blade is prevented from being obstructed.

Description

Technical Field

[0001] The invention belongs to the technical field of cutting PVC wire ducts, and particularly relates to a device for cutting PVC wire ducts. Background Art

[0002] PVC cable trunking, also known as polyvinyl chloride cable trunking (PVC = polyvinyl chloride, polyvinyl chloride, a synthetic material), is generally called cable trunking, electrical wiring trunking, wiring trunking, etc.

[0003] In terms of cutting PVC wire ducts, a device as described in the prior art solution in patent publication number "CN115648324B" is often used to cut the PVC wire ducts.

[0004] In practical applications, in order to achieve better cutting performance of PVC cable troughs, the device for cutting PVC cable troughs is also improved accordingly. When cutting PVC cable troughs, the device for cutting PVC cable troughs often includes a vertically running cutting blade and a supporting platform. When the cutting blade runs downward to cut the PVC cable trough, the back wall of the cutting blade will run in contact with the front wall of the supporting platform after cutting the PVC cable trough, which will cut the PVC cable trough more neatly.

[0005] During the cutting process, the back wall of the cutting blade is often adhered to the debris that falls off the PVC cable duct. When the back wall of the cutting blade is in contact with the front wall of the supporting platform, the back wall of the cutting blade and the front wall of the supporting platform are mixed with the debris and rub against each other, which increases the wear of the cutting blade and reduces the service life of the device for cutting PVC cable ducts.

[0006] In order to strengthen the protection of the cutting edge during cutting, silicone grease is applied on the cutting edge. When cutting, the cutting edge and the surface wall of the carrier table continuously rub against each other, causing the silicone grease on the cutting edge and the surface wall of the carrier table to be rubbed off. Without the protection of silicone grease, the friction between the cutting edge and the PVC wire trough is increased, causing increased wear of the cutting edge and the surface wall of the carrier table. Summary of the Invention

[0007] In order to solve the defects in the prior art, the present invention provides a device for cutting PVC cable ducts, which effectively avoids the defects in the prior art that the back wall of the cutting blade of the device for cutting PVC cable ducts and the front wall of the supporting platform are mixed with residues and scratch each other, thereby increasing the wear of the cutting blade and reducing the service life of the device for cutting PVC cable ducts, the silicone grease on the cutting blade and the surface wall of the supporting platform is rubbed off, the cutting blade is not protected by the silicone grease, and the scratching force between the PVC cable duct and the cutting blade is increased, thereby causing increased wear of the cutting blade and the surface wall of the supporting platform.

[0008] The present invention utilizes the following technical solutions.

[0009] A device for cutting PVC cable trunking, comprising: Carrier frame; The device for cutting PVC cable ducts also includes a starter, a cutting blade, a rectangular pusher, a guide, a carrying platform and a brush; the starter is provided on the carrying frame; the cutting blade is connected to the starter; the rectangular pusher is connected to the starter; a pair of horizontally mirrored guides are movably connected to the carrying frame; all the guides are screwed onto the carrying platform; and the brush is movably connected to the rectangular pusher.

[0010] Preferably, the brush is a strip-shaped sheet structure, and the brush is made of ABS plastic; the front of the brush is an upwardly rolled arched structure.

[0011] Preferably, the starting member includes a starting device one, a supporting seat and a starting device two; a plurality of horizontally mirrored starting devices one are fixedly connected to the top of the supporting frame, and a supporting seat is fixedly connected to the output end of all the starting devices one; the supporting seat and the cutting blade are screwed together via bolts; a pair of horizontally mirrored positioning openings are opened on the supporting frame; the two ends of the supporting seat are inserted into the positioning openings and can move vertically; a plurality of horizontally mirrored starting devices two are fixedly connected to the top of the supporting frame, and the output ends of all the starting devices two are fixedly connected to the rectangular push member.

[0012] Preferably, the first starting device is a linear motor; the second starting device is a linear motor.

[0013] Preferably, when the cutting blade moves downward to cut the PVC wire trough, the back wall of the cutting blade will run in contact with the front wall of the supporting platform after cutting the PVC wire trough.

[0014] Preferably, a pair of horizontally mirror-distributed arranging devices is provided at the bottom of the supporting seat; each arranging device moves in a corresponding positioning port.

[0015] Preferably, it also includes a accommodating device, which includes a starting device three and a container; a pair of horizontally mirrored starting devices three are fixedly connected to the top of the rectangular push piece, and the starting device three is a linear motor; a container is fixedly connected to the output end of all the starting devices three; an opening is opened on the front wall of the container; and the brush is fixedly connected to the front wall of the container.

[0016] Preferably, the lower wall of the container is an arched structure that is inclined downward from the front to the back thereof.

[0017] Preferably, it further comprises a closing strip; a liquid storage chamber is provided on the back wall of the supporting seat; and a closing strip is screwed onto the back of the bottom of the supporting seat via a spiral beryllium copper wire.

[0018] Preferably, a storage opening is provided below the back wall of the bearing seat; the storage opening is communicated with the liquid storage chamber; and the storage opening is located at the top of the closing strip.

[0019] Preferably, the bottom of the liquid storage chamber and the communicating portion of the storage port are both configured as a downwardly collapsed structure.

[0020] Preferably, a pair of strip-shaped openings are formed on the back wall of the cutting blade; the bottom of the closing strip is embedded in the lower strip-shaped openings.

[0021] Preferably, it also includes a chain plate and sprocket conveyor; the chain plate and sprocket conveyor is provided on the back wall of the carrying frame.

[0022] The beneficial effects of the present invention are as follows: The brush is used to brush off the residue attached to the back wall of the cutting blade, so as to prevent the cutting blade from mixing with the residue and scratching the supporting platform, thereby avoiding increased wear of the cutting blade and extending the service life of the device for cutting PVC wire ducts; by allowing the silicone grease in the storage port to flow downward evenly along the back wall of the cutting blade, the cutting blade is prevented from increasing the scratching effect on the supporting platform due to the lack of protection of silicone grease, thereby enhancing the protection performance of the cutting blade and the supporting platform; the bottom of the closing strip is embedded in the strip-shaped opening, so as to prevent the brush from probing into the space between the closing strip and the cutting blade when passing over the closing strip, thereby preventing the residue on the brush from adhering to the cutting blade again; the residue of the PVC wire duct embedded in the positioning opening is pushed out of the positioning opening by the sorting device, thereby preventing the residue of the PVC wire duct embedded in the positioning opening from obstructing the downward movement of the supporting seat, thereby avoiding obstruction of the smooth operation of the cutting blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram from one perspective of the device for cutting PVC cable trunking in the present invention.

[0024] Figure 2 It is a three-dimensional schematic diagram of another perspective of the device for cutting PVC cable trunking in the present invention.

[0025] Figure 3 It is a three-dimensional schematic diagram of a brush, a cutting blade, a container and a chain sprocket conveyor of a device for cutting PVC wire trough in the present invention.

[0026] Figure 4 It is a three-dimensional schematic diagram of the carrying frame, brush, cutting blade and container of the device for cutting PVC wire duct in the present invention.

[0027] Figure 5 It is a three-dimensional schematic diagram of a brush, a bearing seat, a cutting blade, a receiving device and a closing strip of the device for cutting PVC wire ducts in the present invention.

[0028] Figure 6 It is a plan view of a brush, a bearing seat, a cutting blade, a receiving device and a closing strip of a device for cutting PVC wire ducts in the present invention.

[0029] Figure 7 yes Figure 6 A partial schematic diagram at point X in the middle.

[0030] Figure 8 It is a three-dimensional schematic diagram of the supporting seat, cutting blade and closing strip of the device for cutting PVC wire duct in the present invention.

[0031] Figure numbers: 1. Carrying frame, 2. Cutting blade, 3. Rectangular pusher, 4. Guide, 5. Carrying platform, 6. Brush, 7. Starting device one, 8. Carrying seat, 9. Starting device two, 10. Positioning port, 11. Arrangement device, 12. Starting device three, 13. Container, 14. Closing strip, 15. Liquid storage chamber, 16. Storage port, 17. Strip port, 18. Chain and sprocket conveyor. DETAILED DESCRIPTION

[0032] To make the objectives, technical solutions, and advantages of the present invention more clear, the following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely express the technical solutions of the present invention. The embodiments expressed in this application are only part of the embodiments of the present invention, not all of the embodiments. Based on the spirit of the present invention, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the present invention.

[0033] like Figures 1 to 8 As shown, a device for cutting PVC cable trunking includes: Carrying frame 1; The device for cutting PVC cable ducts also includes a starting member, a cutting blade 2, a rectangular push member 3, a rectangular guide member 4, a supporting platform 5 and a brush 6; a starting member is provided on the supporting frame 1; the cutting blade 2 is connected to the starting member; the rectangular push member 3 is connected to the starting member; a pair of horizontally mirrored guide members 4 are movably connected to the supporting frame 1; the supporting platform 5 is screwed onto all the guide members 4; and the brush 6 is movably connected to the rectangular push member 3.

[0034] In a preferred but non-limiting embodiment of the present invention, the brush 6 is a strip-shaped sheet structure, and the brush 6 is made of ABS plastic; the front of the brush 6 is an upwardly rolled arched structure.

[0035] In a preferred but non-limiting embodiment of the present invention, the starting member includes a starting device 1 7, a rectangular supporting seat 8 and a starting device 2 9; a plurality of horizontally mirrored starting devices 1 7 are fixedly connected to the top of the supporting frame 1, and a supporting seat 8 is fixedly connected to the output end of all the starting devices 1 7; the supporting seat 8 and the cutting blade 2 are screwed together via bolts; a pair of horizontally mirrored positioning openings 10 are opened on the supporting frame 1; the two ends of the supporting seat 8 are inserted into the positioning openings 10 and can move vertically; a plurality of horizontally mirrored starting devices 2 9 are fixedly connected to the top of the supporting frame 1, and the output ends of all the starting devices 2 9 are fixedly connected to the rectangular push member 3.

[0036] In a preferred but non-limiting embodiment of the present invention, the first starting device 7 is a linear motor; the second starting device 9 is a linear motor.

[0037] In a preferred but non-limiting embodiment of the present invention, when the cutting blade 2 runs downward to cut the PVC cable trough, the back wall of the cutting blade 2 will run in contact with the front wall of the supporting platform 5 after cutting the PVC cable trough, which will cut the PVC cable trough more neatly.

[0038] In a preferred but non-limiting embodiment of the present invention, a pair of horizontally mirror-distributed arranging devices 11 are provided at the bottom of the supporting base 8 ; each arranging device 11 moves within a corresponding positioning opening 10 .

[0039] In a preferred but non-limiting embodiment of the present invention, the device for cutting PVC cable ducts further includes a accommodating device, which includes a starting device 3 12 and a container 13; a pair of horizontally mirrored starting devices 3 12 are fixedly connected to the top of the rectangular push member 3, and the starting device 3 12 is a linear motor; a container 13 is fixedly connected to the output end of all the starting devices 3 12; an opening is opened on the front wall of the container 13; and a brush 6 is fixedly connected to the front wall of the container 13.

[0040] In a preferred but non-limiting embodiment of the present invention, in order to prevent the brushed residue from escaping from the container 13, the lower wall of the container 13 is an arched structure that is inclined downward from the front to the back, which enhances the container 13's ability to contain the residue.

[0041] In a preferred but non-limiting embodiment of the present invention, the device for cutting the PVC cable duct further comprises a closing strip 14; a liquid storage chamber 15 is provided on the back wall of the bearing seat 8; and the closing strip 14 is screwed onto the bottom back of the bearing seat 8 via a spiral beryllium copper wire.

[0042] In a preferred but non-limiting embodiment of the present invention, a storage opening 16 is opened below the back wall of the supporting seat 8 ; the storage opening 16 is communicated with the liquid storage chamber 15 ; and the storage opening 16 is located at the top of the closing strip 14 .

[0043] In a preferred but non-limiting embodiment of the present invention, in order to allow the silicone grease in the liquid storage chamber 15 to be completely discharged, the bottom of the liquid storage chamber 15 and the connection between the storage port 16 are both configured to collapse downward.

[0044] In a preferred but non-limiting embodiment of the present invention, a pair of strip-shaped openings 17 are formed on the back wall of the cutting edge 2 ; the bottom of the closing strip 14 is embedded in the lower strip-shaped openings 17 .

[0045] The present invention uses the rectangular pusher 3 to pull the brush 6 upward during the upward movement, so that the brush 6 can brush away the residue attached to the wall of the cutting blade 2, thereby overcoming the defect that the cutting blade 2 mixed with the residue will rub against the supporting platform 5 during the cutting process, thereby increasing the wear of the cutting blade, thereby achieving the good effect of increasing the service life of the device for cutting PVC trunking, which is: When the hydraulic cutting machine is used to cut the PVC wire trough, the PVC wire trough is sent to the supporting platform 5 through the conveying device, and then the starting device 2 9 is operated to pull the rectangular push piece 3 downward to press the PVC wire trough firmly. After the PVC wire trough is pressed firmly, the starting device 1 7 is operated to pull the supporting seat 8 to move downward in the positioning port 10, and the supporting seat 8 is positioned through the positioning port 10 to prevent the supporting seat 8 from pulling the cutting blade 2 to deviate to both sides during the cutting process, thereby ensuring the cutting effect of the cutting blade 2 on the PVC wire trough. The supporting seat 8 pulls the cutting blade 2 downward during the downward movement, and the cutting effect provided by the cutting blade 2 and the supporting platform 5 on the PVC wire trough is used to cut the PVC wire trough, thereby completing the cutting of the PVC wire trough. When the supporting seat 8 moves downward in the positioning port 10, the residue of the PVC wire trough embedded in the positioning port 10 is pushed out of the positioning port 10 through the sorting device 11, and the residue of the PVC wire trough embedded in the positioning port 10 is prevented from hindering the downward movement of the supporting seat 8, thereby avoiding hindering the smooth operation of the cutting blade 2.

[0046] After the PVC cable duct is cut, the starting device 1 7 is operated to pull the supporting seat 8 and the cutting blade 2 to restore, and then the starting device 3 12 is operated to pull the container 13 out, so that the back wall of the brush 6 and the cutting blade 2 are on the same vertical plane, and then the starting device 2 9 is operated to pull the rectangular push piece 3 to run upward. During this period, the rectangular push piece 3 pulls the container 13 and the brush 6 to run upward together, so that the top of the brush 6 is firmly attached to the back wall of the cutting blade 2. As the rectangular push piece 3 pulls the brush 6 to run continuously upward, the residue attached to the back wall of the cutting blade 2 is brushed off by the brush 6, and the residue is allowed to flow along the top of the brush 6 into the container 13, preventing the cutting blade 2 from mixing with the residue and rubbing against the supporting platform 5, thereby avoiding increased wear of the cutting blade and improving the service life of the device for cutting PVC cable ducts.

[0047] In addition, during the cutting process, the surface wall of the cutting blade 2 and the surface wall of the PVC wire duct scrape against each other, causing the silicone grease on the surface wall of the cutting blade 2 to be washed off by the PVC wire duct. Without the protection of the silicone grease, the friction between the cutting blade 2 and the supporting platform 5 is increased, causing increased wear of the cutting blade 2 and the supporting platform 5. The method to overcome this defect is as follows: Before cutting the PVC trunking, the operator adds silicone grease to the liquid storage chamber 15 to reduce the friction between the cutting blade 2 and the carrier 5. After the silicone grease is fed into the liquid storage chamber 15, it flows downward to the storage port 16. During this period, the storage port 16 is blocked by the sealing strip 14 to seal the silicone grease fed into the storage port 16. When the brush 6 moves upward to brush off the residue attached to the back wall of the cutting blade 2, the brush 6 and the sealing strip 14 are kept in contact with each other as the brush 6 continues to move upward. During this period, the lower part of the closing strip 14 is embedded in the strip opening 17, preventing the brush 6 from probing into the space between the closing strip 14 and the cutting edge 2 when passing over the closing strip 14, and preventing the residue on the brush 6 from adhering to the cutting edge 2 again. After the brush 6 and the closing strip 14 are in contact, the starting device 3 12 is operated to pull the container 13 back, allowing the brush 6 to move backward along the back wall of the closing strip 14, so that the brush 6 lifts the back wall of the closing strip 14 upward and presses the spiral beryllium copper wire between the closing strip 14 and the supporting seat 8, so that the closing strip 14 is in contact with the brush 6. The strip 14 is rotated counterclockwise to allow the sealing strip 14 to come out of the storage port 16, thereby releasing the sealing of the storage port 16 by the sealing strip 14, and allowing the organic silicone grease in the storage port 16 to flow downward along the back wall of the cutting blade 2. When the cutting is performed for the last time, the surface wall of the cutting blade 2 is attached to the carrier 5 with the organic silicone grease, preventing the cutting blade 2 from rubbing against the carrier 5 due to the lack of protection of the organic silicone grease, thereby strengthening the protection performance of the cutting blade 2 and the carrier 5. After running over the closing strip 14, the closing strip 14 rotates and restores under the rebound action of the spiral beryllium copper wire, and closes the storage port 16 again. When the PVC trunking is cut for the last time, the starting device 2 9 pulls the rectangular push piece 3 to run downward again. At this time, the starting device 3 12 pulls the container 13 and the brush 6 back, allowing the brush 6 to move away from the cutting edge 2. The brush 6 does not stick to the cutting edge 2 when it runs downward with the rectangular push piece 3, preventing the brush 6 from brushing off the silicone grease on the wall of the cutting edge 2 when it runs downward.

[0048] In addition, when the cutting blade 2 and the supporting platform 5 are significantly worn or notched, the cutting force of the PVC trunking will increase. Therefore, a higher pressure force is required to achieve the cutting, which increases the power consumption of the device used to cut the PVC trunking. The edges of the cut PVC trunking are often uneven, with sharp protrusions, cracks and other defects, which not only increase the risk of equipment damage but also lead to poor cutting performance. The methods to overcome such defects are as follows: When the cutting blade 2 and the supporting platform 5 are worn or chipped, the operator removes the bolts screwed on both sides of the cutting blade 2 through the cutting blade 2, and then rotates the cutting blade 2 on the supporting seat 8 to a set arc, which is π, and rotates the cutting tool at the top of the cutting blade 2 to the bottom for use, so that the cutting blade 2 can perform cutting again. Then the operator drags the guide 4 and the supporting platform 5 forward on the supporting frame 1. After there is no support from the supporting frame 1 at the bottom of the supporting platform 5, rotate the supporting platform 5 on the guide 4 to a set arc, which is π, and rotate the cutting tool at the bottom of the supporting platform 5 to the top for use, thereby achieving efficient conversion of the cutting blade 2 and the supporting platform 5.

[0049] In a preferred but non-limiting embodiment of the present invention, the device for cutting the PVC cable duct further includes a chain plate and sprocket conveyor 18 ; the chain plate and sprocket conveyor 18 is provided on the back wall of the carrying frame 1 .

[0050] In addition, after the cutting blade 2 completes the cutting of the PVC wire trough, some of the silicone grease and residue attached to the back wall of the cutting blade 2 will remain on the top of the cutting opening of the PVC wire trough. After the cutting blade 2 moves upward, the silicone grease and residue remaining on the top of the cutting opening of the PVC wire trough and the back wall of the cutting blade 2 will fall downward onto the surface wall of the supporting platform 5. When the PVC wire trough is cut for the next time, the silicone grease and residue that fall onto the surface wall of the supporting platform 5 will increase the friction between the cutting blade 2 and the supporting platform 5. The method to overcome this defect is as follows: After the cutting blade 2 completes the cutting of the PVC wire trough and moves upward to restore, the rectangular push piece 3 also moves upward, thereby preventing it from pressing the PVC wire trough. When the upward displacement of the cutting blade 2 is higher than the height of the PVC wire trough, the running chain plate sprocket conveyor 18 pulls the PVC wire trough forward for transportation, which not only prevents the silicone grease and residue on the top of the PVC wire trough cutting mouth from falling onto the supporting platform 5, but also can use the PVC wire trough to cover the supporting platform 5 to prevent the silicone grease and residue attached to the back wall of the cutting blade 2 from falling onto the supporting platform 5, thereby reducing the wear between the cutting blade 2 and the supporting platform 5, and enhancing the protection performance of the device used to cut the PVC wire trough.

[0051] The beneficial effects of the present invention are as follows: The brush is used to brush off the residue attached to the back wall of the cutting blade, so as to prevent the cutting blade from mixing with the residue and scratching the supporting platform, thereby avoiding increased wear of the cutting blade and extending the service life of the device for cutting PVC wire ducts; by allowing the silicone grease in the storage port to flow downward evenly along the back wall of the cutting blade, the cutting blade is prevented from increasing the scratching effect on the supporting platform due to the lack of protection of silicone grease, thereby enhancing the protection performance of the cutting blade and the supporting platform; the bottom of the closing strip is embedded in the strip-shaped opening, so as to prevent the brush from probing into the space between the closing strip and the cutting blade when passing over the closing strip, thereby preventing the residue on the brush from adhering to the cutting blade again; the residue of the PVC wire duct embedded in the positioning opening is pushed out of the positioning opening by the sorting device, thereby preventing the residue of the PVC wire duct embedded in the positioning opening from obstructing the downward movement of the supporting seat, thereby avoiding obstruction of the smooth operation of the cutting blade.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not deviate from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A device for cutting PVC trunking, characterized in that: include: Carrying frame (1); The device for cutting PVC cable ducts further comprises a starter, a cutting blade (2), a rectangular pusher (3), a guide (4), a carrier (5) and a brush (6); a starter is provided on the carrier frame (1); the starter is connected to the cutting blade (2); the starter is connected to the rectangular pusher (3); a pair of guides (4) in horizontal mirror image distribution are movably connected to the carrier frame (1); the entire guide (4) is screwed onto the carrier (5); the rectangular pusher (3) is movably connected to the brush (6); The invention also includes a receiving device, which includes a starting device three (12) and a container (13); a pair of starting devices three (12) distributed horizontally in a mirror image are fixedly connected to the top of the rectangular push member (3), and the starting devices three (12) are linear motors; a container (13) is fixedly connected to the output end of all the starting devices three (12); an opening is opened on the front wall of the container (13); and the brush (6) is fixedly connected to the front wall of the container (13).

2. The device for cutting PVC trunking according to claim 1, characterized in that: The brush (6) is a strip-shaped sheet structure and is made of ABS plastic material; the front of the brush (6) is an upwardly rolled arched structure.

3. The device for cutting PVC trunking according to claim 2, characterized in that: The starting member comprises a starting device 1 (7), a bearing seat (8) and a starting device 2 (9); a plurality of starting devices 1 (7) distributed in a horizontal mirror image are fixedly connected to the top of the bearing frame (1), and a bearing seat (8) is fixedly connected to the output end of all the starting devices 1 (7); the bearing seat (8) and the cutting blade (2) are screwed together via bolts; a pair of positioning openings (10) distributed in a horizontal mirror image are opened on the bearing frame (1); the two ends of the bearing seat (8) are inserted into the positioning openings (10) and can be moved vertically; a plurality of starting devices 2 (9) distributed in a horizontal mirror image are fixedly connected to the top of the bearing frame (1), and the output ends of all the starting devices 2 (9) are fixedly connected to the rectangular push member (3); The first starting device (7) is a linear motor; the second starting device (9) is a linear motor.

4. The device for cutting PVC trunking according to claim 3, characterized in that: When the cutting blade (2) moves downward to cut the PVC wire trough, the back wall of the cutting blade (2) will move in contact with the front wall of the supporting platform (5) after cutting the PVC wire trough; A pair of horizontally mirror-distributed arranging devices (11) is provided at the bottom of the supporting seat (8); each arranging device (11) moves in a corresponding positioning port (10).

5. The device for cutting PVC trunking according to claim 4, characterized in that: The lower wall of the container (13) is an arched structure that is inclined downward in the direction from the front to the back.

6. The device for cutting PVC trunking according to claim 5, characterized in that: It also includes a closing strip (14); a liquid storage chamber (15) is provided on the back wall of the supporting seat (8); and the closing strip (14) is screwed to the back of the bottom of the supporting seat (8) via a spiral beryllium copper wire. A storage opening (16) is provided below the back wall of the bearing seat (8); the storage opening (16) is communicated with the liquid storage chamber (15); and the storage opening (16) is located at the top of the closing strip (14).

7. The device for cutting PVC trunking according to claim 6, characterized in that: The bottom of the liquid storage chamber (15) and the communicating portion of the storage opening (16) are both configured as a downwardly collapsed structure.

8. The device for cutting PVC trunking according to claim 7, characterized in that: A pair of strip-shaped openings (17) are formed on the back wall of the cutting blade (2); the bottom of the closing strip (14) is embedded in the lower strip-shaped openings (17).

9. The device for cutting PVC trunking according to claim 8, characterized in that: It also includes a chain plate sprocket conveyor (18); the back wall of the carrying frame (1) is provided with the chain plate sprocket conveyor (18).

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