Cutting device for rolled PET sheet finished product

Abstract

The utility model discloses a PET sheet finished product after-rolling cutting device, which comprises a mounting plate, a mounting box, a transverse plate, a motor, a ball nut and a cutting knife, the mounting plate is provided with the mounting box, the mounting box is provided with a channel, the front surface and the rear surface of the mounting box are provided with windows, the windows are communicated with the channel, and the transverse plate is arranged on the mounting box. An electric telescopic rod is mounted on the mounting plate, a top plate is mounted at the top end of the electric telescopic rod, a supporting rod is mounted on the top plate, a pressing plate is mounted at one end of the supporting rod, the supporting rod is slidably connected with the mounting box, the pressing plate is located in the window, a transverse plate is mounted on the bottom surface of the top plate, and a cutting knife is mounted on the transverse plate. According to the PET sheet cutting device, the PET sheet needing to be cut is pressed and fixed through the fixing structure, the problem that the PET sheet is prone to displacement during cutting is solved, the stability during cutting is improved, the problem that the cutting surface of the PET sheet is prone to being uneven is solved, and the quality of the PET sheet is improved.

Description

Technical Field

[0001] The utility model relates to the field of a device for cutting a finished PET sheet material after it is rolled up, in particular to a device for cutting a finished PET sheet material after it is rolled up. Background Art

[0002] PET sheet is a common thermoplastic with high dimensional stability, excellent mechanical strength, and good creep resistance. It is chemically resistant, has very low moisture absorption, and is a good electrical insulator. PET sheet also performs well in wear-resistant applications, and its surface is tough and hard, making it easy to machine and polish. During the production process, PET material requires cutting equipment to separate it.

[0003] After searching, Chinese utility model patent CN217296578U discloses a post-winding cutting device for PET sheet production, comprising a support frame, a shearing mechanism disposed at the rear end of the support frame, the shearing mechanism comprising a fixed frame fixedly disposed at the rear end of the support frame, a threaded shaft movably disposed inside the fixed frame, a guide rod fixedly disposed inside the fixed frame near the lower side of the threaded shaft, a control frame threadedly disposed on the outer side of the threaded shaft, and a connecting frame fixedly disposed at the upper end of the control frame. The post-winding cutting device for PET sheet production described in this utility model rotates an adjusting gear so that the adjusting gear drives the control rod to move, thereby causing the adjusting rod to rotate inside the connecting frame, and the adjusting frame drives the clamping member to rotate, thereby facilitating the replacement of cutting tools, thereby facilitating long-term cutting of PET sheets for special environments.

[0004] The technical solution in this application document still has some deficiencies: when the cutting device cuts the PET sheet, it lacks a fixed structure, the PET sheet is prone to shifting during cutting, and the low stability can easily lead to an uneven cutting surface of the PET sheet, affecting the quality of the PET sheet. Summary of the Invention

[0005] The purpose of the utility model is to provide a device for cutting PET sheet finished products after winding, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for cutting PET sheet finished products after winding, comprising a mounting plate, a mounting box, a horizontal plate, a motor, a ball nut and a cutting knife, wherein the mounting box is mounted on the mounting plate, a channel is provided on the mounting box, windows are provided on the front and rear surfaces of the mounting box, the windows are connected to the channel, an electric telescopic rod is mounted on the mounting plate, a top plate is mounted on the top of the electric telescopic rod, a support rod is mounted on the top plate, a pressure plate is mounted on one end of the support rod, the support rod is slidably connected to the mounting box, the pressure plate is located in the window, a horizontal plate is mounted on the bottom surface of the top plate, and a cutting knife is mounted on the horizontal plate.

[0007] By adopting the above technical solution, the mounting box is fixed to the PET sheet winding equipment through the fixing plate installed on the mounting plate and the bolts provided on the fixing plate. The PET sheet is passed through the channel opened on the mounting box and the windows connected to the channel on the mounting box. Then the electric telescopic rod installed on the mounting plate is started to retract, driving the top plate installed on the top of the electric telescopic rod to move downward. The support rod installed on the top plate makes the pressing plate installed at one end of the support rod move downward in the window. The pressing plate moves downward to press and fix the PET sheet. At the same time, the top plate drives the cutting knife on the horizontal plate to move downward to cut the PET sheet. The PET sheet to be cut is pressed and fixed by the fixed structure, avoiding the problem of easy displacement of the PET sheet during cutting, improving the stability during cutting, avoiding the problem of uneven cutting surface of the PET sheet, and improving the quality of the PET sheet.

[0008] Preferably, a motor is installed in the transverse plate, a screw is installed at the end of the motor power shaft, a ball nut is threadedly installed on the screw, a tool holder is installed on the ball nut, and a cutting knife is fixedly installed on the tool holder by a fixing screw.

[0009] By adopting the above technical solution, the motor installed in the horizontal plate is started to rotate clockwise, driving the lead screw to rotate, so that the ball nut threadedly mounted on the lead screw moves to the left, and the cutting knife fixed on the knife holder by the fixing screw moves to the left through the knife holder installed on the ball nut, so as to cut the PET sheet. There is no need for the staff to manually move the cutting knife for cutting, making the cutting of the PET sheet more convenient and efficient.

[0010] Preferably, the cutting knife is located in a channel, a track is provided on the wall of the channel, an auxiliary block is installed at the bottom end of the cutting knife, and the auxiliary block is fitted with the track and slidably connected.

[0011] By adopting the above technical solution, through the track opened on the channel wall and the auxiliary block installed at the bottom of the cutting knife, when the cutting knife located in the channel moves downward, the auxiliary block will enter the track. When the cutting knife moves, the auxiliary block slides in the track, ensuring the stability of the cutting knife when moving and improving the accuracy of PET sheet cutting.

[0012] Preferably, the slider mounted on the ball nut is slidably connected to a sliding groove provided on the inner wall of the transverse plate.

[0013] By adopting the above technical solution, the slider installed on the ball nut is slidably connected with the slide groove opened on the inner wall of the horizontal plate, which limits the self-rotation of the ball nut and ensures the stability of the ball nut when driving the cutting knife to move.

[0014] Preferably, a fixing plate is installed on the mounting plate, and bolts are provided on the fixing plate.

[0015] By adopting the above technical solution, the mounting box can be conveniently fixed to the PET sheet winding device through the fixing plate installed on the mounting plate and the bolts provided on the fixing plate.

[0016] Preferably, a circuit controller is installed on the motor.

[0017] By adopting the above technical solution, the circuit controller installed on the motor changes the rotation direction of the motor shaft by swapping the positive and negative poles of the DC motor power supply, thereby achieving the purpose of bidirectional alternating rotation of the motor shaft.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The fixed structure can press and fix the PET sheet to be cut, thereby preventing the PET sheet from shifting during cutting, improving the stability during cutting, avoiding the problem of uneven cutting surface of the PET sheet, and improving the quality of the PET sheet.

[0020] When cutting PET sheets, workers do not need to manually move the cutting knife to perform cutting operations, making the cutting of PET sheets more convenient and efficient.

[0021] When the cutting knife in the channel moves down, the auxiliary block will enter the track. When the cutting knife moves, the auxiliary block slides in the track, ensuring the stability of the cutting knife during movement and improving the accuracy of PET sheet cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 3 It is a side structural diagram of the utility model;

[0025] Figure 4 This is a schematic diagram of the cutting shape of the present invention.

[0026] In the figure: 1. Mounting plate; 2. Fixing plate; 3. Mounting box; 4. Electric telescopic rod; 5. Top plate; 6. Cross plate; 7. Motor; 8. Screw; 9. Ball nut; 10. Tool holder; 11. Fixing screw; 12. Cutting knife; 13. Channel; 14. Window; 15. Support rod; 16. Pressing plate; 17. Auxiliary block; 18. Track. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] See also Figure 1-4 , the utility model provides an embodiment: a PET sheet finished product after winding and cutting device, including a mounting plate 1, a mounting box 3, a horizontal plate 6, a motor 7, a ball nut 9 and a cutting knife 12, the mounting plate 1 is mounted on the mounting box 3, the mounting box 3 is provided with a channel 13, the front and rear surfaces of the mounting box 3 are provided with windows 14, the window 14 is connected to the channel 13, the mounting plate 1 is mounted with an electric telescopic rod 4, the top of the electric telescopic rod 4 is mounted with a top plate 5, the top plate 5 is mounted with a support rod 15, one end of the support rod 15 is mounted with a pressing plate 16, the support rod 15 is slidably connected to the mounting box 3, the pressing plate 16 is located in the window 14, the bottom surface of the top plate 5 is mounted with a horizontal plate 6, the cutting knife 12 is mounted on the horizontal plate 6.

[0029] When the cam 14 is in the closed position, the cam 14 is in the closed position, and the cam 14 is in the closed position, so that the cam 14 can move downwards, thereby preventing the cam 14 from moving out of the closed position and causing the cam 14 to move downwards.

[0030] A motor 7 is installed in the transverse plate 6, and a screw rod 8 is installed at the power shaft end of the motor 7. A ball nut 9 is threadedly installed on the screw rod 8, and a tool holder 10 is installed on the ball nut 9. A cutting knife 12 is fixedly installed on the tool holder 10 by a fixing screw 11; by starting the motor 7 installed in the transverse plate 6, the motor 7 is rotated clockwise, driving the screw rod 8 to rotate, so that the ball nut 9 threadedly installed on the screw rod 8 moves to the left, and the tool holder 10 installed on the ball nut 9 causes the cutting knife 12 fixedly installed on the tool holder 10 by the fixing screw 11 to move to the left, so that the PET sheet is cut. There is no need for the staff to manually move the cutting knife for cutting, which makes the cutting of the PET sheet more convenient and efficient.

[0031] The cutting knife 12 is located in the channel 13. A track 18 is provided on the wall of the channel 13. An auxiliary block 17 is installed at the bottom end of the cutting knife 12. The auxiliary block 17 is fitted with and slidably connected to the track 18. The track 18 provided on the wall of the channel 13 cooperates with the auxiliary block 17 installed at the bottom end of the cutting knife 12. When the cutting knife 12 located in the channel 13 moves downward, the auxiliary block 17 enters the track 18. When the cutting knife 12 moves, the auxiliary block 17 slides in the track 18, thereby ensuring the stability of the cutting knife 12 during movement and improving the accuracy of PET sheet cutting.

[0032] The slider installed on the ball nut 9 is slidably connected to the slide groove opened on the inner wall of the horizontal plate 6; the slider installed on the ball nut 9 is slidably connected to the slide groove opened on the inner wall of the horizontal plate 6, which limits the self-rotation of the ball nut 9 and ensures the stability of the ball nut 9 when driving the cutting knife 12 to move.

[0033] A fixing plate 2 is installed on the mounting plate 1, and bolts are provided on the fixing plate 2; by installing the fixing plate 2 on the mounting plate 1 and cooperating with the bolts provided on the fixing plate 2, the mounting box 3 is conveniently fixed to the PET sheet winding equipment.

[0034] The motor 7 is equipped with a circuit controller; the circuit controller installed on the motor changes the rotation direction of the motor shaft by changing the positive and negative poles of the DC motor power supply, thereby achieving the purpose of bidirectional alternating rotation of the motor shaft.

[0035] Working principle: The mounting box 3 is fixed to the PET sheet winding equipment through the fixing plate 2 installed on the mounting plate 1 and the bolts provided on the fixing plate 2. The PET sheet is passed through the channel 13 and the two windows 14 on the mounting box 3 through the channel 13 opened on the mounting box 3 and the window 14 connected to the channel 13 on the mounting box 3. Then the electric telescopic rod 4 installed on the mounting plate 1 is started to retract, driving the top plate 5 installed on the top of the electric telescopic rod 4 to move downward. The support rod 15 installed on the top plate 5 makes the pressing plate 16 installed at one end of the support rod 15 move downward in the window 14. The pressing plate 16 moves downward to press and fix the PET sheet. At the same time, the top plate 5 drives the cutting knife 12 on the cross plate 6 to move downward. When the cutting knife 12 located in the channel 13 moves downward, the auxiliary block 17 will enter the track 18. When the cutting knife 12 moves, the auxiliary block 17 is on the track The sliding in 18 ensures the stability of the cutting knife 12 when it moves, and improves the accuracy of cutting the PET sheet. The motor 7 installed in the horizontal plate 6 is started to rotate clockwise, driving the screw rod 8 to rotate, so that the ball nut 9 threadedly mounted on the screw rod 8 moves to the left, and the tool holder 10 installed on the ball nut 9 makes the cutting knife 12 fixedly mounted on the tool holder 10 by the fixing screw 11 move to the left, so as to cut the PET sheet. There is no need for the staff to manually move the cutting knife for cutting operation, which makes the cutting of the PET sheet more convenient and efficient. The PET sheet to be cut is pressed and fixed by the fixed structure, which avoids the problem of easy displacement of the PET sheet during cutting, improves the stability during cutting, avoids the problem of uneven cutting surface of the PET sheet, and improves the quality of the PET sheet.

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A device for cutting finished PET sheets after winding, comprising a mounting plate (1), a mounting box (3), a transverse plate (6), a motor (7), a ball nut (9) and a cutting knife (12), characterized in that: The mounting plate (1) is provided with a mounting box (3), a passage (13) is provided on the mounting box (3), windows (14) are provided on the front and rear surfaces of the mounting box (3), the windows (14) are connected to the passage (13), an electric telescopic rod (4) is provided on the mounting plate (1), a top plate (5) is provided on the top end of the electric telescopic rod (4), a support rod (15) is provided on the top plate (5), a pressing plate (16) is provided at one end of the support rod (15), the support rod (15) is slidably connected to the mounting box (3), the pressing plate (16) is located in the window (14), a horizontal plate (6) is provided on the bottom surface of the top plate (5), and a cutting knife (12) is provided on the horizontal plate (6).

2. The device for cutting finished PET sheets after winding according to claim 1, characterized in that: A motor (7) is installed in the transverse plate (6), a screw rod (8) is installed at the end of the power shaft of the motor (7), a ball nut (9) is threadedly installed on the screw rod (8), a tool holder (10) is installed on the ball nut (9), and a cutting knife (12) is fixedly installed on the tool holder (10) by a fixing screw (11).

3. The device for cutting PET sheet finished product after winding according to claim 1, characterized in that: The cutting knife (12) is located in the channel (13), a track (18) is provided on the wall of the channel (13), an auxiliary block (17) is installed at the bottom end of the cutting knife (12), and the auxiliary block (17) is fitted with the track (18) and is slidably connected.

4. The device for cutting finished PET sheets after winding according to claim 1, characterized in that: The slider mounted on the ball nut (9) is slidably connected to a slide groove provided on the inner wall of the transverse plate (6).

5. The device for cutting finished PET sheets after winding according to claim 1, characterized in that: A fixing plate (2) is mounted on the mounting plate (1), and bolts are provided on the fixing plate (2).

6. The device for cutting finished PET sheets after winding according to claim 1, characterized in that: A circuit controller is installed on the motor (7).

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