Cutting, positioning and tensioning device for PET material processing
By designing a structure consisting of a fixed base, operating table, fixed frame, tensioning frame, moving pressure block, and limiting block, combined with an electric telescopic rod and rollers, the wrinkling problem during PET material cutting was solved, and the stability and precision of cutting were improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-24
AI Technical Summary
Existing PET material cutting devices cannot effectively smooth the material during positioning and tensioning, which easily leads to wrinkles and affects the cutting effect.
The structure includes a fixed base, operating table, fixed frame, tensioning frame, moving pressure block and limiting block. Through the cooperation of electric telescopic rod and rollers, the PET material is smoothed and tightly bonded, ensuring stability and precision during the cutting process.
This effectively prevents wrinkles from forming in PET material during the cutting process, improves cutting stability and precision, and ensures the cutting effect.
Smart Images

Figure CN224027808U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of PET material processing, specifically a cutting, positioning, and tensioning device for PET material processing. Background Technology
[0002] PET material, commonly known as polyester resin, is the most important type of thermoplastic polyester. Its physical properties include a milky white or light yellow highly crystalline polymer with a smooth and glossy surface. It is resistant to creep, fatigue, and abrasion, exhibiting low wear and high hardness, possessing the greatest toughness among thermoplastics. When cutting PET material, it needs to be placed on top of the worktable for tension to prevent wrinkles and other impediments during cutting.
[0003] The existing equipment has the following shortcomings when in use: when positioning and tensioning PET material, it is generally tightened directly after fixing both ends of the PET material, which cannot smooth the PET material and is prone to wrinkles, thus affecting the cutting effect. Summary of the Invention
[0004] The purpose of this invention is to provide a cutting, positioning, and tensioning device for processing PET materials, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a cutting, positioning, and tensioning device for PET material processing, comprising a fixed base, an operating table, a fixed frame, a tensioning frame, a movable pressure block, and a limiting block. The fixed base is equipped with an operating table, the operating table with a fixed frame, and an electric telescopic rod B. A positioning pressure block is installed at one end of the electric telescopic rod B, and a fixed pressure block is installed on the fixed frame. A motor is installed in the operating table, and a lead screw is installed at the motor's power shaft end. A ball nut is threaded onto the lead screw, and a connecting rod is installed on the ball nut. A movable plate is installed at one end of the connecting rod, and an electric telescopic rod C is installed on the movable plate. A tensioning frame is installed at one end of the electric telescopic rod C, and a spring column is installed on the tensioning frame. A roller A is installed at one end of the spring column, and an mounting plate is installed on the tensioning frame. A roller B is installed at one end of the spring column on the mounting plate.
[0006] The screw on the fixed base is used to install the operation table below the cutting knife of the PET material processing and cutting device, one end of the PET material to be cut is placed on the fixed pressing block of the fixed frame, then the electric telescopic rod B on the fixed frame is started to drive the positioning pressing block installed at one end of the electric telescopic rod B to move downward to position and fix one end of the PET material, then the other end of the PET material is passed through the rollers A and B on the tensioning frame and between the moving pressing block and the limiting block, because of the elasticity of the spring column, the rollers A and B are tightly attached to the PET material, the motor is started to rotate the screw rod, thereby driving the ball nut installed on the screw rod to move, cooperating with the connecting rod, the moving plate and the electric telescopic rod C, the tensioning frame is driven to move away from the fixed frame, when the tensioning frame moves, the rollers A and B are rolled to flatten and tension the PET material, so as to ensure the stability and precision of the PET material in the cutting process, and avoid the problem that the PET material is easily wrinkled to affect the cutting effect.
[0007] Preferably, the tensioning frame is installed with an electric telescopic rod D, one end of the electric telescopic rod D is installed with a moving pressing block, and the tensioning frame is installed with a limiting block.
[0008] With the above technical scheme, when the tensioning frame moves close to the other end of the PET material, the electric telescopic rod D installed on the tensioning frame is started to drive the moving pressing block installed at one end of the electric telescopic rod D to move downward, cooperating with the limiting block to position and fix the other end of the PET material, with the movement of the tensioning frame, the two ends of the PET material are fixed and the middle part is flattened and tensioned by the rollers A and B, and is in a tight state, thereby improving the stability of the PET material in the cutting process.
[0009] Preferably, a recess A is formed on the operation table, an electric telescopic rod A is installed at the recess A, and one end of the electric telescopic rod A is connected with the fixed frame.
[0010] With the above technical scheme, after the PET material is positioned and tensioned, the fixed frame is lowered by starting the electric telescopic rod A, thereby driving the PET material to move downward on the operation table, then the cutting knife cuts the PET material to complete the cutting work of the PET material, and the recess A provides sufficient movement space for the electric telescopic rod A to ensure that the fixed frame can be smoothly lowered.
[0011] Preferably, a recess B is formed on the operation table, and a guide groove formed on the operation table is slidably connected with the connecting rod.
[0012] Adopting the technical scheme, the concave window B provides sufficient movement space for the lower movement of the tension frame, thereby driving the PET material to move downwards on the operation table, so that the whole cutting process is more smooth and efficient, and the design of the guide groove enables the connecting rod to smoothly slide on the operation table, and this sliding connection mode not only enhances the stability of the equipment, but also ensures the accurate positioning of the PET material in the cutting process.
[0013] Preferably, rubber antiskid pads are installed on the positioning pressing block, the fixing pressing block, the moving pressing block and the limiting block.
[0014] Adopting the technical scheme, the design of the rubber antiskid pads enhances the friction between the positioning pressing block, the fixing pressing block, the moving pressing block and the limiting block and the PET material, effectively preventing the sliding or displacement of the PET material in the cutting process, thereby improving the cutting accuracy and stability.
[0015] Preferably, the fixing base is installed below the cutting knife of the PET material processing and cutting device through screws.
[0016] Adopting the technical scheme, the positioning tension device is conveniently installed below the cutting knife of the cutting device, which brings convenience for the processing and production of the PET material.
[0017] Compared with the prior art, the utility model has the advantages that: after one end of the PET material is positioned and fixed, the other end of the PET material is passed between the roller A and the roller B on the tension frame and between the moving pressing block and the limiting block, because of the elasticity of the spring column, the roller A and the roller B are tightly attached to the PET material, then the motor is started to rotate the lead screw, thereby driving the ball nut installed on the lead screw to move, cooperating with the connecting rod, the moving plate and the electric telescopic rod C, driving the tension frame to move away from the fixed frame, when the tension frame moves, the roller A and the roller B roll, the PET material can be smoothed and tensioned to ensure the stability and accuracy of the PET material in the cutting process, and avoid the problem that the PET material is easily wrinkled to affect the cutting effect, when the tension frame moves to approach the other end of the PET material, the electric telescopic rod D installed on the tension frame is started, driving the moving pressing block installed at one end of the electric telescopic rod D to move downwards, cooperating with the limiting block to position and fix the other end of the PET material, with the movement of the tension frame, the two ends of the PET material are fixed and the middle part is smoothed and tensioned by the roller A and the roller B, in a tight state, improving the stability of the PET material in the cutting process. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0019] Figure 2 It is a sectional structure schematic view of the utility model;
[0020] Figure 3 It is the schematic view of the tension structure of the utility model.
[0021] Figure 4 It is the schematic view of the side structure of the utility model.
[0022] In the drawing: 1, fixed base; 2, operation table; 3, concave window A; 4, electric telescopic rod A; 5, fixed frame; 6, electric telescopic rod B; 7, positioning pressing block; 8, fixed pressing block; 9, motor; 10, screw rod; 11, ball nut; 12, connecting rod; 13, moving plate; 14, electric telescopic rod C; 15, tension frame; 16, spring column; 17, roller A; 18, mounting plate; 19, roller B; 20, electric telescopic rod D; 21, moving pressing block; 22, limiting block; 23, concave window B. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0024] Please refer to Figures 1-4The utility model provides a kind of cutting positioning tensioning device for PET material processing, including fixed base 1, operation platform 2, fixed frame 5, and tensioning frame 15, mobile pressing block 21 and limit block 22, operation platform 2 is installed on the fixed base 1, fixed frame 5 is installed on the operation platform 2, electric telescopic rod B6 is installed on the fixed frame 5, positioning pressing block 7 is installed at one end of electric telescopic rod B6, fixed pressing block 8 is installed on the fixed frame 5, motor 9 is installed in the operation platform 2, power shaft end of motor 9 is installed with screw rod 10, ball nut 11 is installed with screw on the screw rod 10, connecting rod 12 is installed on the ball nut 11, mobile plate 13 is installed at one end of connecting rod 12, electric telescopic rod C14 is installed on the mobile plate 13, tensioning frame 15 is installed at one end of electric telescopic rod C14, spring column 16 is installed on the tensioning frame 15, one end of spring column 16 is installed with gyro wheel A17, mounting plate 18 is installed on the tensioning frame 15, one end of spring column 16 provided on the mounting plate 18 is installed with gyro wheel B19.By screw on the fixed base 1, operation platform 2 is installed to the cutting knife below of PET material processing cutting device, the PET material end that needs cutting is placed to fixed pressing block 8 on fixed frame 5, then electric telescopic rod B6 on fixed frame 5 is started, positioning pressing block 7 installed at one end of electric telescopic rod B6 is driven to descend, the one end of PET material is positioned and fixed, then the other end of PET material is passed between gyro wheel A17 and gyro wheel B19 on tensioning frame 15 and between mobile pressing block 21 and limit block 22, because of the elasticity of spring column 16, gyro wheel A17 and gyro wheel B19 are closely attached to PET material, motor 9 is started to make screw rod 10 rotate, thereby driving ball nut 11 threaded on screw rod 10 to move, cooperate connecting rod 12 and mobile plate 13 and electric telescopic rod C14, drive tensioning frame 15 to move away from the direction of fixed frame 5, when tensioning frame 15 moves, gyro wheel A17 and gyro wheel B19 are rolled, PET material can be smoothed and tensioned, to ensure the stability and precision of PET material in the cutting process, avoid the problem that PET material is prone to wrinkle and affect cutting effect.
[0025] Electric telescopic rod D20 is installed on the tensioning frame 15, mobile pressing block 21 is installed at one end of electric telescopic rod D20, limit block 22 is installed on the tensioning frame 15.When tensioning frame 15 moves to approach the other end of PET material, electric telescopic rod D20 installed on tensioning frame 15 is started, mobile pressing block 21 installed at one end of electric telescopic rod D20 is driven to descend, cooperate limit block 22 to position and fix the other end of PET material, with the movement of tensioning frame 15, both ends of PET material are fixed and smoothed and tensioned in the middle through gyro wheel A17 and gyro wheel B19, in tight state, improve the stability of PET material in the cutting process.
[0026] The operating table 2 is provided with a recessed window A3, and an electric telescopic rod A4 is installed at the recessed window A3, and one end of the electric telescopic rod A4 is connected with a fixing frame 5. After the PET material is positioned and tensioned, the electric telescopic rod A4 is started to make the fixing frame 5 descend, and the PET material is brought down to the operating table 2, and then the cutting knife cuts the PET material to complete the cutting work of the PET material. The design of the recessed window A3 provides sufficient movement space for the electric telescopic rod A4, and ensures that the fixing frame 5 can smoothly descend.
[0027] The operating table 2 is provided with a recessed window B23, and a guide groove provided on the operating table 2 is slidingly connected with a connecting rod 12. The recessed window B23 provides sufficient movement space for the downward movement of the tensioning frame 15, so that the PET material is brought down to the operating table 2, and the whole cutting process is more smooth and efficient. The design of the guide groove makes the connecting rod 12 smoothly slide on the operating table 2. This sliding connection not only enhances the stability of the equipment, but also ensures the accurate positioning of the PET material during the cutting process.
[0028] Rubber non-slip pads are installed on the positioning pressing block 7, the fixing pressing block 8, the moving pressing block 21 and the limiting block 22. The design of the rubber non-slip pads enhances the friction between the positioning pressing block 7, the fixing pressing block 8, the moving pressing block 21 and the limiting block 22 and the PET material, effectively prevents the PET material from sliding or shifting during the cutting process, and improves the cutting accuracy and stability.
[0029] The fixed base 1 is installed below the cutting knife of the PET material processing and cutting device by screws. It is convenient to install the positioning and tensioning device below the cutting knife of the cutting device, and brings convenience for the processing and production of the PET material.
[0030] The intelligent control characteristics of the circuit controller installed on the motor enable the motor to flexibly adjust the rotation direction and rotation angle according to the actual operation requirements, significantly improving the control flexibility and safety performance of the equipment. The band brake mechanism reliably locks the position of the motor when it stops rotating, prevents accidental displacement caused by inertia, and ensures the stability and safety of the device in the stopped state.
[0031] Working principle: through the screw on the fixed base 1, install the operation platform 2 to the cutting knife below the PET material processing cutting device, put the PET material to be cut one end on the fixed pressing block 8 on the fixed frame 5, then start the electric telescopic rod B6 on the fixed frame 5, drive the positioning pressing block 7 installed at one end of the electric telescopic rod B6 to move down, fix the one end of the PET material, then put the other end of the PET material through the roller A17 and the roller B19 between the tensioning frame 15 and the moving pressing block 21 and the limiting block 22, because the elasticity of the spring column 16, the roller A17 and the roller B19 are closely attached to the PET material, start the motor 9 to make the screw rod 10 rotate, thereby driving the ball nut 11 installed on the screw rod 10 to move, cooperate with the connecting rod 12 and the moving plate 13 and the electric telescopic rod C14, drive the tensioning frame 15 to move away from the fixed frame 5, when the tensioning frame 15 moves, the roller A17 and the roller B19 roll, which can flatten and tension the PET material, to ensure the stability and precision of the PET material during cutting, avoid the problem that the PET material is prone to wrinkle and affect the cutting effect, when the tensioning frame 15 moves to approach the other end of the PET material, start the electric telescopic rod D20 installed on the tensioning frame 15, drive the moving pressing block 21 installed at one end of the electric telescopic rod D20 to move down, cooperate with the limiting block 22 to fix the other end of the PET material, with the movement of the tensioning frame 15, the two ends of the PET material are fixed and the middle is flattened and tensioned by the roller A17 and the roller B19, in a tense state, start the electric telescopic rod A4 and the electric telescopic rod C14, make the fixed frame 5 and the tensioning frame 15 descend at the same time, make the PET material descend to the operation platform 2, then the cutting knife cuts the PET material, complete the cutting work of the PET material.
[0032] It is obvious to a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A cutting, positioning, and tensioning device for processing PET material, comprising a fixed base (1), an operating table (2), a fixing frame (5), a tensioning frame (15), a movable pressure block (21), and a limiting block (22), characterized in that: An operating table (2) is installed on the fixed base (1). A fixed frame (5) is installed on the operating table (2). An electric telescopic rod B (6) is installed on the fixed frame (5). A positioning block (7) is installed at one end of the electric telescopic rod B (6). A fixing block (8) is installed on the fixed frame (5). A motor (9) is installed in the operating table (2). A lead screw (10) is installed at the power shaft end of the motor (9). A ball nut (11) is threaded onto the lead screw (10). A ball nut (11) is installed on the ball nut (11). A connecting rod (12) is provided, a movable plate (13) is installed at one end of the connecting rod (12), an electric telescopic rod C (14) is installed on the movable plate (13), a tensioning frame (15) is installed at one end of the electric telescopic rod C (14), a spring column (16) is installed on the tensioning frame (15), a roller A (17) is installed at one end of the spring column (16), an mounting plate (18) is installed on the tensioning frame (15), and a roller B (19) is installed at one end of the spring column (16) on the mounting plate (18).
2. The cutting, positioning, and tensioning device for PET material processing according to claim 1, characterized in that: An electric telescopic rod D (20) is installed on the tensioning frame (15), a movable pressure block (21) is installed at one end of the electric telescopic rod D (20), and a limit block (22) is installed on the tensioning frame (15).
3. The cutting, positioning, and tensioning device for PET material processing according to claim 1, characterized in that: The operating table (2) has a recessed window A (3), and an electric telescopic rod A (4) is installed at the recessed window A (3). One end of the electric telescopic rod A (4) is connected to the fixed frame (5).
4. The cutting, positioning, and tensioning device for PET material processing according to claim 1, characterized in that: The operating table (2) has a recessed window B (23), and the guide groove on the operating table (2) is slidably connected to the connecting rod (12).
5. The cutting, positioning, and tensioning device for PET material processing according to claim 1, characterized in that: Rubber anti-slip pads are installed on the positioning block (7), the fixed block (8), the moving block (21), and the limiting block (22).
6. The cutting, positioning, and tensioning device for PET material processing according to claim 1, characterized in that: The fixed base (1) is installed under the cutting blade of the PET material processing and cutting device by screws.