High-temperature-resistant polyester knitted fabric printing equipment

By designing high-temperature resistant belts, pulleys, and cooling fans, the problems of aging and poor heat dissipation in traditional polyester knitted fabric printing equipment at high temperatures have been solved, achieving stable conveying and efficient printing, and improving the overall performance of the equipment.

CN223520488UActive Publication Date: 2025-11-07SHAOXING OULI SI COMPOSITE FABRIC CO LTD
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Patent Information

Application Number
CN202520100212.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-11-07
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Traditional polyester knitted fabric printing equipment is prone to aging and deformation in high-temperature environments, resulting in unstable transmission and poor heat dissipation, which reduces the stability and service life of the equipment and affects the printing quality.

Method used

The conveyor system, consisting of a high-temperature resistant belt and pulleys, combined with a telescopic device and a cooling fan, ensures conveying stability and heat dissipation. The linkage mechanism enables rapid and accurate position adjustment of the printing machine.

Benefits of technology

It improves the high-temperature resistance of printing equipment, extends its service life, enhances printing accuracy and efficiency, and ensures the stability of printing quality and the overall reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of textile machinery and equipment, and discloses high-temperature-resistant polyester knitted fabric printing equipment which comprises a base, mounting plates are fixedly mounted at the top end of the base, a belt conveying device is arranged between the mounting plates, a first motor is fixedly mounted on one side of each mounting plate, and a second motor is fixedly mounted on the other side of each mounting plate. The base, the mounting plate and other parts provide firm support, the stability of the equipment in the running process is ensured, the belt conveying device adopts a high-temperature-resistant belt, polyester knitted fabric can be reliably and continuously conveyed, meanwhile, the high-temperature environment is tolerated, in addition, the telescopic device converts rotary motion into linear motion through a connecting rod mechanism, and the working efficiency is improved. Accurate up-and-down adjustment of the printing machine is achieved, the requirements of different printing processes are met, finally, the printing machine is provided with a cooling fan, the cooling capacity is effectively improved, the overheating problem is avoided, the service life of equipment is prolonged, and the stability of printing quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to textile machinery equipment field, concretely is a kind of high-temperature-resistant polyester knitted fabric printing equipment. BACKGROUND

[0002] In the textile printing and dyeing industry, polyester knitted fabric is widely used in clothing, home decoration and other fields as a common fabric due to its good wear resistance, elasticity and easy care characteristics. With the increasing demand for individualization and diversification of textiles, the printing technology of polyester knitted fabric is also developing. The traditional polyester knitted fabric printing equipment has certain limitations when dealing with high temperature environment. On the one hand, the traditional conveying device often uses ordinary belts, which are prone to aging and deformation under high temperature, resulting in unstable conveying and affecting the printing effect. On the other hand, the traditional printing machine is prone to overheating due to poor heat dissipation during long-term operation, which not only affects the stability and service life of the equipment, but also may have a negative impact on the printing quality. Therefore, we propose a high-temperature-resistant polyester knitted fabric printing equipment. SUMMARY

[0003] (I) Technical problem solved

[0004] In view of the shortcomings of the prior art, the utility model provides a high-temperature-resistant polyester knitted fabric printing equipment to solve the above problems.

[0005] (II) Technical solution

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a high-temperature-resistant polyester knitted fabric printing equipment, comprising a base, the top of the base is fixedly installed with a mounting plate, the mounting plate is provided with a belt conveying device, the side of the mounting plate is fixedly installed with a first motor, the side of the mounting plate close to the first motor is fixedly installed with a control computer, the side of the mounting plate away from the first motor is provided with a printing machine, the top of the printing machine is provided with an extension device, further comprising:

[0007] The extension device is driven by a second motor through a connecting rod mechanism, and then the rotary motion is converted into the linear up-down motion of the printing machine through a first connecting rod, a rotating rod and a second connecting rod, which can ensure that the printing machine quickly and accurately adjusts the position when needed, meeting the needs of printing process.

[0008] Preferably, the belt conveying device comprises a high-temperature-resistant belt and a belt pulley, a group of belt pulleys is rotatably installed at both ends of the mounting plate, the two groups of belt pulleys are connected together by a high-temperature-resistant belt, and the output shaft of the first motor extends through the inside of the mounting plate and is fixedly installed with the belt pulley.

[0009] Preferably, the mounting plate is fixedly installed with a mounting rack at the top end away from the first motor, and the mounting rack is arched, a group of mounting shells are fixedly installed at the middle of the mounting rack, and the inside of the mounting shell is provided with a telescopic device.

[0010] Preferably, the telescopic device comprises a fixed plate, a second motor and a sliding block, the inside of the mounting shell is fixedly installed with the fixed plate, the middle of the fixed plate is provided with a sliding groove, the sliding block is slidably installed in the sliding groove, and the side of the fixed plate close to the sliding groove is fixedly installed with the second motor.

[0011] Preferably, the telescopic device further comprises a first connecting rod, a rotating rod, a second connecting rod and a mounting block, the side of the fixed plate away from the second motor is provided with the first connecting rod, one end of the first connecting rod is hingedly connected with the sliding block, the other end of the first connecting rod is hingedly installed with the second connecting rod, the other end of the second connecting rod is hingedly installed with the mounting block, the output shaft of the second motor extends out of the side of the fixed plate and is fixedly installed with the rotating rod, and the other end of the rotating rod is hingedly installed on the side of the first connecting rod close to the second connecting rod.

[0012] Preferably, the side of the mounting block close to the fixed plate is fixedly installed with a group of sliding rods at both ends, respectively, the side of the fixed plate corresponding to the two groups of sliding rods is provided with a circular hole, and the two groups of sliding rods are slidably installed in the circular hole, the other end of the two groups of sliding rods is fixedly installed with a group of limiting blocks, respectively, and the side of the mounting block is fixedly installed with the printing machine.

[0013] Preferably, the two sides of the printing machine are provided with a plurality of groups of heat dissipation holes, respectively, and the inside of the printing machine close to the two sides of the plurality of groups of heat dissipation holes is fixedly installed with a group of heat dissipation fans, respectively, and the middle of the mounting plate close to the side of the printing machine is fixedly installed with a group of partition plates.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the printing equipment for high-temperature-resistant polyester knitted fabric has the following beneficial effects:

[0016] 1. The printing equipment for high-temperature-resistant polyester knitted fabric, the traditional printing equipment often has the problems of slow response and low precision when adjusting the position of the printing machine, and the telescopic device adopted by the device accurately converts the rotary motion into the linear up-down motion of the printing machine through the second motor driving the connecting rod mechanism. This design not only has high transmission efficiency, but also can ensure that the printing machine quickly and accurately adjusts the position when needed, meets the needs of various complex printing processes, and compared with the traditional technology, the telescopic device structure of the device is more compact and the control is more accurate, which greatly improves the printing precision and efficiency and reduces the waste rate caused by inaccurate position adjustment.

[0017] 2、The high-temperature-resistant polyester knitted fabric printing equipment, the traditional printing equipment often uses ordinary belts when conveying the polyester knitted fabric, and the belts are prone to aging and deformation in a high-temperature environment, which affects the conveying effect, and the conveying device formed by the high-temperature-resistant belt and the belt pulley can withstand the high temperature generated during printing, ensuring the reliability and durability of the conveying process, the use of the high-temperature-resistant belt not only improves the high-temperature-resistant performance of the equipment, but also prolongs the service life of the equipment, reduces the maintenance and replacement costs, and at the same time, the stable conveying effect also ensures the stability of the printing quality, and improves the market competitiveness of the product.

[0018] 3、The high-temperature-resistant polyester knitted fabric printing equipment, the traditional printing equipment often uses ordinary belts when conveying the polyester knitted fabric, and the belts are prone to aging and deformation in a high-temperature environment, which affects the conveying effect, and the conveying device formed by the high-temperature-resistant belt and the belt pulley can withstand the high temperature generated during printing, ensuring the reliability and durability of the conveying process, the use of the high-temperature-resistant belt not only improves the high-temperature-resistant performance of the equipment, but also prolongs the service life of the equipment, reduces the maintenance and replacement costs, and at the same time, the stable conveying effect also ensures the stability of the printing quality, and improves the market competitiveness of the product. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional main view structural schematic diagram of the utility model;

[0020] Figure 2 It is a three-dimensional sectional view structural schematic diagram of the utility model;

[0021] Figure 3 It is a local structure schematic diagram of the utility model telescopic device;

[0022] Figure 4 It is a local structure schematic diagram of the utility model telescopic device.

[0023] In the drawing: 1, base; 2, mounting plate; 3, first motor; 4, control computer; 5, high-temperature-resistant belt; 6, belt pulley; 7, partition; 8, printing machine; 9, mounting frame; 10, mounting shell; 11, heat dissipation fan; 12, fixed plate; 13, second motor; 14, sliding block; 15, first connecting rod; 16, rotating rod; 17, second connecting rod; 18, mounting block; 19, sliding rod; 20, limit block. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figures 1-4 The high-temperature-resistant polyester knitted fabric printing equipment comprises a base 1, a mounting plate 2 fixedly installed at the top end of the base 1, a belt conveying device arranged between the mounting plate 2, a first motor 3 fixedly installed at one side of the mounting plate 2, a control computer 4 fixedly installed at the side of the mounting plate 2 close to the first motor 3, a printing machine 8 arranged at the top end of the mounting plate 2 away from the first motor 3, and a telescopic device arranged at the top end of the printing machine 8.

[0026] The telescopic device drives the connecting rod mechanism through the second motor 13, and then converts the rotary motion into the linear up-down motion of the printing machine 8 through the first connecting rod 15, the rotating rod 16 and the second connecting rod 17, so as to ensure that the printing machine 8 can be quickly and accurately adjusted in position when needed, and meet the requirements of the printing process.

[0027] Further, the belt conveying device comprises a high-temperature-resistant belt 5 and a belt pulley 6, a group of belt pulleys 6 are rotatably installed at the two ends of the mounting plate 2, the two groups of belt pulleys 6 are connected together through the high-temperature-resistant belt 5, the output shaft of the first motor 3 extends through the inside of the mounting plate 2 and is fixedly installed together with the belt pulley 6, the belt conveying device composed of the high-temperature-resistant belt 5 and the belt pulley 6 can realize stable and continuous conveying of the polyester knitted fabric, the high-temperature-resistant belt 5 can withstand the high temperature generated in the printing process, so as to ensure the reliability and durability of the conveying process, the first motor 3 drives the belt pulley 6 to rotate, and then drives the high-temperature-resistant belt 5 to move, thereby providing stable power support for the printing process of the polyester knitted fabric.

[0028] Further, the top end of the side of the mounting plate 2 away from the first motor 3 is fixedly installed with an installation frame 9, and the installation frame 9 is arched, a group of installation shells 10 are fixedly installed at the middle part of the installation frame 9, and the inside of the installation shell 10 is provided with the telescopic device, the top end of the side of the mounting plate 2 away from the first motor 3 is fixedly installed with the arched installation frame 9, and the middle part is provided with the installation shell 10, and such a structure design provides a stable installation basis for the telescopic device, and the arched structure of the installation frame 9 helps to disperse the vibration of the printing machine 8 during work, thereby improving the overall stability of the equipment.

[0029] Further, the telescopic device comprises the fixed plate 12, the second motor 13 and the sliding block 14, the inside of the mounting shell 10 is fixedly provided with the fixed plate 12, the middle part of the fixed plate 12 is provided with a sliding groove, and the sliding groove is slidably provided with the sliding block 14; the side, close to the sliding groove, of the fixed plate 12 is fixedly provided with the second motor 13; the telescopic device comprises the fixed plate 12, the second motor 13 and the sliding block 14, the sliding block 14 is driven to slide in the sliding groove of the fixed plate 12 by the second motor 13, and the basic action of the telescopic device is realized. The structure is simple and reliable, easy to maintain and control, and provides a power source for the up-down movement of the printing machine 8.

[0030] Further, the telescopic device further comprises the first connecting rod 15, the rotating rod 16, the second connecting rod 17 and the mounting block 18; the side, away from the second motor 13, of the fixed plate 12 is provided with the first connecting rod 15; one end of the first connecting rod 15 is hingedly connected with the sliding block 14; the other end of the first connecting rod 15 is hingedly provided with the second connecting rod 17; the other end of the second connecting rod 17 is hingedly provided with the mounting block 18; the output shaft of the second motor 13 extends through the side of the fixed plate 12 and is fixedly provided with the rotating rod 16; the other end of the rotating rod 16 is hingedly provided on the side, close to the second connecting rod 17, of the first connecting rod 15; the telescopic device further comprises the first connecting rod 15, the rotating rod 16, the second connecting rod 17 and the mounting block 18; the rotating movement of the second motor 13 is converted into the linear up-down movement of the printing machine 8 through the hinged connection of the connecting rod mechanism; the mechanism is compact in design, high in transmission efficiency, and capable of accurately controlling the lifting position of the printing machine 8, thereby meeting the requirements of different printing processes.

[0031] Further, the two ends of the side, close to the fixed plate 12, of the mounting block 18 are respectively fixedly provided with a group of sliding rods 19; the side, corresponding to the two groups of sliding rods 19, of the fixed plate 12 is provided with a circular hole; the two groups of sliding rods 19 are slidably arranged in the circular hole; the other ends of the two groups of sliding rods 19 are respectively fixedly provided with a group of limiting blocks 20; the side of the mounting block 18 is fixedly provided with the printing machine 8; the two ends of the side, close to the fixed plate 12, of the mounting block 18 are respectively fixedly provided with a group of sliding rods 19; the sliding rods 19 are slidably arranged in the circular hole of the fixed plate 12 and are provided with the limiting blocks 20; the design not only ensures the stability of the printing machine 8 during the lifting process, but also prevents the sliding rods 19 from coming out through the limiting blocks 20, thereby improving the safety of the equipment.

[0032] Further, a plurality of groups of heat dissipation holes are respectively formed on the two sides of the printing machine 8; a group of heat dissipation fans 11 are respectively fixedly arranged on the two sides of the inside of the printing machine 8, close to the plurality of groups of heat dissipation holes; a group of partition plates 7 are fixedly arranged on the side of the mounting plate 2, close to the printing machine 8; the two sides of the printing machine 8 are respectively provided with a plurality of groups of heat dissipation holes and are provided with the heat dissipation fans 11; the design effectively enhances the heat dissipation capacity of the printing machine, avoids the overheating problem caused by long-time work, prolongs the service life of the equipment, and ensures the stability of the printing quality.

[0033] Structure Description: 1, Base 1: The role is to provide stable support for the entire device, the positional relationship is located at the bottom of the device, the principle is to bear the weight of all parts of the upper part of the device and the vibration generated during operation through its solid structure;

[0034] 2, Mounting plate 2: The role is to fix and support other components, such as belt conveying device, first motor 3, control computer 4 and printing machine 8, etc., the positional relationship is fixed at the top end of the base 1, the principle is to ensure the stability of the whole device through the bolt or other fasteners and the base 1 is firmly connected;

[0035] 3, First motor 3: The role is to drive the belt pulley 6 to rotate, and then drive the high-temperature-resistant belt 5 to move, providing stable power support for the printing process of polyester knitted fabric, the positional relationship is fixed on one side of the mounting plate 2, the principle is to convert electrical energy into mechanical energy through the electromagnetic principle inside the motor;

[0036] 4, Control computer 4: The role is to control the operation of the entire device, including the start and stop of the motor, the lifting of the printing machine, etc., the positional relationship is fixed on one side of the mounting plate 2 close to the first motor 3, the principle is to intelligently control the device through the internal program and software;

[0037] 5, High-temperature-resistant belt 5: The role is to realize the stable and continuous transmission of polyester knitted fabric, and can withstand the high temperature generated during the printing process, the positional relationship is connected between the two groups of belt pulleys 6, the principle is to drive through the friction between the belt and the belt pulley;

[0038] 6, Belt pulley 6: The role is to support and drive the high-temperature-resistant belt 5 to move, the positional relationship is respectively rotatingly installed at both ends of the mounting plate 2, the principle is to drive rotation through the output shaft of the first motor 3;

[0039] 7, Partition 7: The role is to isolate the printing machine 8 from other components to prevent ink or heat during the printing process from affecting other components, the positional relationship is fixed on one side of the mounting plate 2 close to the printing machine 8 in the middle, the principle is to isolate through its physical barrier effect;

[0040] 8, Printing machine 8: The role is to perform printing work on polyester knitted fabric, the positional relationship is fixed on one side of the mounting block 18, located at the top end of the mounting plate 2 away from the first motor 3, the principle is to print patterns on the cloth through the internal printing device and ink;

[0041] 9, Mounting bracket 9: The role is to provide a stable mounting foundation for the telescopic device and the printing machine 8, and help to disperse the vibration when the printing machine 8 works, the positional relationship is fixed at the top end of the mounting plate 2 away from the first motor 3, in an arched structure, the principle is to bear and disperse the vibration through its solid and stable structure;

[0042] 10, installation shell 10: the role is to protect the internal components of the telescopic device from the outside environment, the positional relationship is fixed in the middle of the mounting frame 9, and the principle is to protect through its closed structure;

[0043] 11, heat dissipation fan 11: the role is to enhance the heat dissipation capacity of the printing machine 8, to avoid overheating caused by long-time work, the positional relationship is fixed inside the printing machine 8 near both sides of the multiple heat dissipation holes, and the principle is to bring out the heat dissipation holes through the rotation of the fan blade to produce airflow;

[0044] 12, fixed plate 12: the role is to fix and support other components of the telescopic device, such as the sliding block 14, the second motor 13, etc., the positional relationship is fixed inside the installation shell 10, and the principle is to be firmly connected with the installation shell 10 through bolts or other fasteners;

[0045] 13, second motor 13: the role is to drive the sliding block 14 to slide in the sliding groove of the fixed plate 12, and then drive the printing machine 8 to move up and down through the connecting rod mechanism, the positional relationship is fixed on one side of the fixed plate 12 near the sliding groove, and the principle is to convert electrical energy into mechanical energy through the electromagnetic principle inside the motor;

[0046] 14, sliding block 14: the role is to slide in the sliding groove of the fixed plate 12 to drive the connecting rod mechanism to move, the positional relationship is slidingly installed in the sliding groove of the fixed plate 12, and the principle is to slide through the driving of the second motor 13 and the guiding effect of the sliding groove;

[0047] 15, first connecting rod 15: the role is to transmit the sliding motion of the sliding block 14 to the second connecting rod 17, and then drive the printing machine 8 to move up and down, the positional relationship is that one end is hinged together with the sliding block 14, and the other end is hinged to install the second connecting rod 17, and the principle is to transmit motion through hinged connection and connecting rod mechanism transmission principle;

[0048] 16, rotating rod 16: the role is to transmit the rotary motion of the second motor 13 to the first connecting rod 15, the positional relationship is that one end is fixed on the output shaft of the second motor 13, and the other end is hinged to be installed on one side of the first connecting rod 15 near the second connecting rod 17, and the principle is to transmit power through hinged connection and rotary motion;

[0049] 17, second connecting rod 17: the role is to transmit the motion of the first connecting rod 15 to the mounting block 18, and then drive the printing machine 8 to move up and down, the positional relationship is that one end is hinged together with the first connecting rod 15, and the other end is hinged to install the mounting block 18, and the principle is to transmit motion through hinged connection and connecting rod mechanism transmission principle;

[0050] 18, installation block 18: the role is fixed and support printing machine 8, and drive its up and down movement, position relationship is fixed in the other end of the second connecting rod 17, one side fixed installation has printing machine 8, principle is through the transmission of connecting rod mechanism and its structure stability support and motion transmission;

[0051] 19, slide bar 19: the role is to ensure the stability of printing machine 8 in the process of lifting, and prevent it from coming out, position relationship is fixed in the two ends of installation block 18 close to fixed plate 12, sliding in the round hole of fixed plate 12, principle is through the cooperation of slide bar and round hole to guide and stabilize;

[0052] 20, limit block 20: the role is to prevent the slide bar 19 from coming out of the round hole of the fixed plate 12, improve the safety of the equipment, position relationship is fixed in the other end of the slide bar 19, principle is through its physical barrier to limit and protect.

[0053] Working principle: the polyester knitted fabric is placed on the high-temperature-resistant belt 5, the first motor 3 is started, the output shaft drives the belt pulley 6 to rotate, and then drives the high-temperature-resistant belt 5 to move, the high-temperature-resistant belt 5 can withstand the high temperature generated in the printing process, ensure the stability and continuous transmission of the polyester knitted fabric, the control computer 4 sends instructions to the second motor 13 according to the requirements of the printing pattern, the second motor 13 is started, and the connecting rod mechanism is driven to work, specifically, the output shaft of the second motor 13 drives the rotating rod 16 to rotate, and then the rotating motion is converted into the linear up-down motion of the printing machine 8 through the hinged connection of the first connecting rod 15 and the second connecting rod 17, the mechanism is compact in design, high in transmission efficiency, and can accurately control the lifting position of the printing machine 8, meet the requirements of different printing processes, when the printing machine 8 is adjusted to the appropriate position, the printing operation is started, the printing machine 8 prints on the polyester knitted fabric according to the preset pattern and color, in the printing process, the cooling fan 11 in the printing machine 8 starts to work, the heat is discharged through the multiple sets of cooling holes on both sides of the printing machine 8, avoiding overheating of the printing machine due to long-time work, at the same time, the sliding rod 19 on the mounting block 18 slides in the circular hole of the fixed plate 12, ensuring the stability of the printing machine 8 in the lifting process, and preventing the sliding rod 19 from falling out through the limiting block 20, improving the safety of the equipment, mainly composed of the high-temperature-resistant belt 5 and the belt pulley 6, the first motor 3 drives the belt pulley 6 to rotate through the output shaft, and then drives the high-temperature-resistant belt 5 to move, realizing the stable and continuous transmission of the polyester knitted fabric, composed of the second motor 13, the fixed plate 12, the sliding block 14, the first connecting rod 15, the rotating rod 16, the second connecting rod 17 and the mounting block 18, the second motor 13 drives the sliding block 14 to slide in the sliding groove of the fixed plate 12, and the rotating motion is converted into the linear up-down motion of the printing machine 8 through the hinged connection of the connecting rod mechanism, mainly composed of the cooling hole and the cooling fan 11, when the cooling fan 11 works, the heat is discharged through the multiple sets of cooling holes on both sides of the printing machine 8, ensuring the temperature stability of the printing machine 8 under long-time work, adopting the high-temperature-resistant belt 5 ensures the stability and durability of the conveying device in the high-temperature printing process, through the accurate control of the telescopic device and the connecting rod mechanism, the quick and accurate position adjustment of the printing machine 8 is realized, meeting the requirements of different printing processes, equipped with the cooling hole and the cooling fan 11, effectively enhancing the heat dissipation capacity of the printing machine, avoiding the overheating problem caused by long-time work, the arched mounting bracket 9 and the stable mounting plate 2 provide good support and protection for the telescopic device and the printing machine, improve the overall stability and safety of the equipment.

[0054] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-temperature resistant polyester knitted fabric printing device, comprising a base (1), a mounting plate (2) fixedly installed on the top of the base (1), a belt conveyor device arranged between the mounting plates (2), a first motor (3) fixedly installed on one side of the mounting plate (2), a control computer (4) fixedly installed on the side of the mounting plate (2) near the first motor (3), a printing machine (8) arranged on the top of the mounting plate (2) away from the first motor (3), and a telescopic device arranged on the top of the printing machine (8), characterized in that... Also include: The telescopic device includes a fixed plate (12), a second motor (13) and a sliding block (14), the inside of the mounting shell (10) is fixedly installed with the fixed plate (12), the middle part of the fixed plate (12) is provided with a sliding groove, and the sliding block (14) is slidably installed in the sliding groove, and the second motor (13) is fixedly installed on the side of the fixed plate (12) close to the sliding groove.

2. The printing apparatus for high-temperature polyester knitted fabric according to claim 1, characterized in that: The telescopic device further includes a first connecting rod (15), a rotating rod (16), a second connecting rod (17) and a mounting block (18), the side of the fixed plate (12) away from the second motor (13) is provided with the first connecting rod (15), one end of the first connecting rod (15) is hinged with the sliding block (14), and the other end of the first connecting rod (15) is hingedly installed with the second connecting rod (17), the other end of the second connecting rod (17) is hingedly installed with the mounting block (18), the output shaft of the second motor (13) extends out of the side of the fixed plate (12) and is fixedly installed with the rotating rod (16), and the other end of the rotating rod (16) is hingedly installed on the side of the first connecting rod (15) close to the second connecting rod (17).

3. The printing apparatus for high-temperature polyester knitted fabric according to claim 1, characterized in that: The side of the mounting block (18) close to the fixed plate (12) is fixedly installed with a group of sliding rods (19) at both ends, the fixed plate (12) is provided with a circular hole on the side corresponding to the two groups of sliding rods (19), and the two groups of sliding rods (19) are slidably arranged in the circular hole, and the other end of the two groups of sliding rods (19) is fixedly installed with a group of limiting blocks (20), and the side of the mounting block (18) is fixedly installed with the printing machine (8).

4. The printing device for high-temperature polyester knitted fabric according to claim 3, characterized in that: A plurality of groups of heat dissipation holes are formed on both sides of the printing machine (8), and a group of heat dissipation fans (11) are fixedly installed on both sides of the inside of the printing machine (8) close to the plurality of groups of heat dissipation holes, and a group of partition plates (7) are fixedly installed on the side of the mounting plate (2) close to the printing machine (8).

5. The printing apparatus for high-temperature polyester knitted fabric according to claim 4, characterized in that: A plurality of groups of heat dissipation holes are formed on both sides of the printing machine (8), and a group of heat dissipation fans (11) are fixedly installed on both sides of the inside of the printing machine (8) close to the plurality of groups of heat dissipation holes, and a group of partition plates (7) are fixedly installed on the side of the mounting plate (2) close to the printing machine (8).

6. The printing apparatus for high-temperature polyester knitted fabric according to claim 5, characterized in that: ​ 7. The printing apparatus for high-temperature polyester knitted fabric according to claim 6, characterized in that: ​