Automatic writing equipment capable of automatically rolling pages
By designing an automatic page-turning mechanism and a writing mechanism, the problem of the writing machine's inability to automatically turn pages was solved, realizing automated writing, improving writing accuracy and efficiency, reducing manual labor burden, and lowering the equipment's weight and cost.
Patent Information
- Application Number
- CN202423139343.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing writing machines cannot automatically turn pages, resulting in low accuracy when manually turning pages and making it difficult to efficiently handle writing tasks on long sheets of paper.
An automatic page-turning writing device was designed, comprising a page-turning mechanism, a writing mechanism, and a position control mechanism. It utilizes synchronously rotating reversing rollers and a rolling roller to achieve automatic page turning, and achieves automatic writing by coordinating the height adjustment of the writing pen with the X-axis and Y-axis moving mechanisms.
It automates paper turning and writing, improving writing accuracy and efficiency, reducing manual labor, increasing paper utilization, and reducing equipment weight and cost.
Smart Images
Figure CN223672143U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an automatic writing equipment of automatic page winding belongs to automatic equipment field. BACKGROUND
[0002] Although the computer popularization at present, most enterprises no longer adopt the manual writing mode to write the file, but in some posts, handwritten file is irreplaceable, such as the financial documents that the employees of bank or insurance industry need to write, the file signature confirmation of company superior department, and the engineering drawing that needs to be manually surveyed and mapped etc. Most of these scenes need to repeat the same writing, the quantity is huge and very easy to make people tired, and the writing machine can solve such problems. The common writing machine on the market has two types, which are simply called "cross type" and "square frame type", which are similar to single cantilever architecture and corexy architecture in 3d printer respectively, but the writing machines on the market have a common shortcoming: not supporting page turning. For longer paper, manual winding is needed, and the accuracy of manual winding is low. INVENTION CONTENTS
[0003] The technical problem to be solved by the utility model is to overcome the technical problems in the prior art and provide an automatic writing equipment with automatic page winding.
[0004] The utility model adopts the technical scheme that:
[0005] An automatic writing equipment with automatic page winding, comprising:
[0006] A support frame, a writing area is arranged in the support frame, a page winding mechanism and a writing mechanism are arranged in the writing area in the support frame;
[0007] The page winding mechanism comprises at least one group of reversing rollers and at least one group of winding rollers arranged in the writing area, the paper is in contact with the bottom position of the winding roller opposite to the writing area, and the paper is driven by the winding roller to move towards the reversing roller, the paper is folded upwards after passing the bottom of the reversing roller and extends in the direction opposite to the winding roller; the reversing roller and the winding roller are driven in the same rotating direction by two groups of synchronous rotating driving mechanisms;
[0008] The writing mechanism comprises a height lifting mechanism, a writing pen is connected to the height lifting mechanism, and the height lifting mechanism is used for controlling the vertical distance of the writing pen relative to the Y-axis plane of the writing area;
[0009] A position control mechanism, the position control mechanism comprises an X-axis moving mechanism and a Y-axis moving mechanism arranged in the support frame, the Y-axis moving mechanism is fixed to the X-axis moving end of the X-axis moving mechanism, and the writing pen height lifting mechanism is fixed to the Y-axis moving end of the Y-axis moving mechanism.
[0010] As a further improvement of the utility model, the height lifting mechanism comprises a sliding frame connected to the Y-axis moving end and a lifting driver, a writing pen clamp is slidably connected to the sliding frame through a guide rail, a push block is synchronously fixedly connected to the writing pen clamp, the bottom of the push block is connected to the bottom of the sliding frame through a spring, the top of the push block is connected to a lifting cable, a hanger is arranged above the support frame, the lifting cable is connected to the lifting driver after reversing through the hanger, the movement of the pen in the Z-axis direction is realized through the simple mechanism of lifting through the cable, compared with the scheme of installing an additional Z-axis motor at the clamping position of the pen in the prior art, the structure is simpler, the overall weight of the pen clamping part can be reduced, and the inertia is further reduced, the smoothness and precision of writing during continuous high-speed operation are improved.
[0011] As a further improvement of the utility model, the lifting driver comprises a swing motor, the swing motor is fixed to the support frame, a swing arm is connected to the motor shaft of the swing motor, and the end of the aforementioned lifting cable is connected to the swing arm.
[0012] As a further improvement of the utility model, a reversing baffle is arranged at the position corresponding to the arrangement position of the reversing roller at one end of the writing area, the cross section of the reversing baffle is in an arc structure, the arc is coaxial with the axis of the reversing roller, and the arc opening of the reversing baffle faces the direction of the winding roller; the reversing baffle can prevent the paper from being excessively wound out towards the front end of the X-axis, and affect the normal winding of the paper.
[0013] As a further improvement of the utility model, winding synchronous wheels are arranged at the two ends of the reversing roller and the winding roller, the winding synchronous wheels of the reversing roller and the winding roller are drivingly connected through a winding synchronous belt, a secondary driving wheel is coaxially fixed to the winding synchronous wheel of the winding roller, a winding motor is fixedly connected to the support frame, a primary driving wheel is fixed to the motor shaft of the winding motor, and the primary driving wheel and the secondary driving wheel are drivingly connected through a belt; the single winding motor is driven by means of the belt set, the structure weight is reduced, and the cost is reduced.
[0014] As a further improvement of the utility model, the X-axis moving mechanism comprises two groups of parallel X-axis guide rails fixed to the support frame, a first X-axis sliding block and a second X-axis sliding block are slidably connected to the X-axis guide rails, respectively, and a Y-axis support block is arranged between the first X-axis sliding block and the second X-axis sliding block, the Y-axis moving mechanism comprises a Y-axis guide rail fixed to the Y-axis support block, and the writing pen height lifting mechanism is slidably connected to the Y-axis guide rail.
[0015] As further improvement of the utility model, a belt clamping block is synchronously fixed on the writing pen height lifting mechanism, a first motor frame and a second motor frame are arranged at the one end of the X axis of the supporting frame, the first motor frame and the second motor frame are located at the two ends of the Y axis of the supporting frame; a first motor is fixed on the first motor frame, a first synchronous pulley is fixed on the motor shaft of the first motor, a first reversing pulley and a second reversing pulley are also rotatably connected on the first motor frame, a second motor is fixed on the second motor frame, a second synchronous pulley is fixed on the motor shaft of the second motor, a third reversing pulley and a fourth reversing pulley are also rotatably connected on the second motor frame, wherein the first reversing pulley and the third reversing pulley are arranged in mirror image symmetry, a ninth reversing pulley is coaxially fixed above the first reversing pulley, a tenth reversing pulley is coaxially fixed below the third reversing pulley, a seventh reversing pulley and an eighth reversing pulley are rotatably connected on the other end of the X axis of the supporting frame corresponding to the first motor frame and the second motor frame, a sixth reversing pulley and a fourth synchronous pulley are rotatably connected on the first X axis sliding block, a fifth reversing pulley and a third synchronous pulley are rotatably connected on the second X axis sliding block; wherein the synchronous teeth of the first synchronous belt cooperate with the first synchronous pulley, one end of the first synchronous belt passes through the second synchronous pulley and the seventh synchronous pulley in sequence and then cooperates with the third synchronous pulley after reversing, and is fixed to the belt clamping block after reversing by 90 degrees through the third synchronous pulley, the other end of the first synchronous belt is fixed to the belt clamping block after reversing through the first reversing pulley, the tenth reversing pulley and the sixth reversing pulley in sequence; wherein the second synchronous belt cooperates with the second synchronous pulley, one end of the second synchronous belt cooperates with the fourth synchronous pulley after reversing through the fourth reversing pulley and the eighth reversing pulley, and is fixed to the belt clamping block after reversing by 90 degrees through the fourth synchronous pulley, the other end of the second synchronous belt is fixed to the belt clamping block after reversing through the third reversing pulley, the ninth reversing pulley and the fifth reversing pulley; the driving of the X axis and the Y axis is realized through the two groups of belt mechanisms, the power part of the X axis and the Y axis is not directly fixed to the moving part of the X axis and the Y axis, the self weight of the structure is reduced, the transmission gap of the belt transmission is low, and the transmission efficiency is higher.
[0016] The utility model discloses the beneficial effects are:
[0017] 1, the characteristics of this project are that a special page turning mechanism is designed and added on the basis of the "box type" writing machine based on corexy architecture, so that high-speed stable writing on both pages of A4 paper is achieved.
[0018] 2, reduce useless repeated labor, the product can greatly reduce the burden of bank or insurance industry practitioners manually writing financial documents, most of the financial documents are similar formats, through editing text, it is easy to realize machine instead of manual writing. The product can also be used for writing invitations, usually the invited objects have to write by hand, under similar circumstances, machines can replace manual repeated labor.
[0019] 3. Improve work efficiency, because of using corexy architecture, the weight of moving part is very light, the writing speed and stability are greatly improved, the content can be generated at a faster speed and higher output, which is more efficient than artificial writing. They can automatically perform
[0020] laborious and repetitive writing tasks, saving time and human resources. By automating tedious writing tasks, writing robots free up the time and energy of human workers to focus on more creative and strategic work, improving creativity and innovation.
[0021] 4. Improve paper utilization, the product has a special page turning mechanism, which can fill both sides of an A4 paper, greatly improving paper utilization and reducing resource waste.
[0022] 5. Simple mechanical structure is easy to assemble, the added page turning mechanism is simple in structure, only one 42-step motor, two 2GT synchronous belts, five 2GT synchronous pulleys, two aluminum rods, part of 3D printed components and standard parts are needed to assemble, which is suitable for most models on the market, low cost and easy to promote. BRIEF DESCRIPTION OF DRAWINGS
[0023] The utility model will be further described below in combination with the drawings and examples.
[0024] Figure 1 is the front view of the XY axis of the utility model;
[0025] Figure 2 is the negative view of the XY axis of the utility model;
[0026] Figure 3 is the negative view of the Z axis of the utility model;
[0027] In the figure: 1, support frame; 2, X-axis guide rail; 3, first X-axis sliding block; 4, Y-axis support block; 5, sliding frame; 6, writing pen clamp; 7, spring; 8, lifting cable; 9, swing motor; 10, sliding sleeve; 11, swing arm; 12, winding motor; 13, main drive wheel; 14, main drive belt; 15, winding synchronous wheel; 16, winding synchronous belt; 17, winding roller; 18, reversing roller; 19, first motor frame; 20, first motor; 21, second motor frame; 22, second motor; 23, reversing baffle; 24, belt clamp block; 25, first synchronous belt; 26, second synchronous belt; 27, Y-axis guide rail; 28-1, first synchronous pulley; 28-2, second synchronous pulley; 28-3, third synchronous pulley; 28-4, fourth synchronous pulley; 29-1, first reversing wheel; 29-2, second reversing wheel; 29-3, third reversing wheel; 29-4, fourth reversing wheel; 29-5, fifth reversing wheel; 29-6, sixth reversing wheel; 29-7, seventh reversing wheel; 29-8, eighth reversing wheel; 29-9, ninth reversing wheel; 29-10, tenth reversing wheel; 30, writing pen. DETAILED DESCRIPTION
[0028] The utility model will be explained in further detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic way, so they only show the components related to the utility model.
[0029] An automatic writing device with automatic page winding; comprising:
[0030] A support frame, the support frame is formed by four groups of aluminum profiles fixed to each other, heightening columns are arranged at the four corners of the support frame, and a writing area is arranged in the support frame; a page winding mechanism and a writing mechanism are arranged in the writing area in the support frame, and a control box is fixedly connected to the support frame;
[0031] The page winding mechanism comprises at least one group of reversing rollers and at least one group of winding rollers arranged in the writing area, a paper sheet is in contact with the bottom position of the winding roller relative to the writing area, and the paper sheet is driven by the winding roller to move towards the reversing roller, after passing around the bottom of the reversing roller, the paper sheet is folded upwards and extends in the direction opposite to the winding roller; the reversing roller and the winding roller are driven in the same rotating direction by two groups of synchronous rotating driving mechanisms;
[0032] The writing mechanism comprises a height lifting mechanism, a writing pen is connected to the height lifting mechanism, and the height lifting mechanism is used for controlling the vertical distance of the writing pen relative to the Y-axis plane of the writing area;
[0033] The position control mechanism comprises an X-axis moving mechanism and a Y-axis moving mechanism arranged on the support frame, the Y-axis moving mechanism is fixed to the X-axis moving end of the X-axis moving mechanism, and the writing pen height lifting mechanism is fixed to the Y-axis moving end of the Y-axis moving mechanism.
[0034] Further, as shown in Figure 1 , the height lifting mechanism comprises a sliding frame connected to the Y-axis moving end and a lifting driver, a writing pen clamp is slidably connected to the sliding frame through a guide rail, a push block is synchronously fixedly connected to the writing pen clamp, the bottom of the push block is connected to the bottom of the sliding frame through a spring, the top of the push block is connected to a lifting cable through a sliding sleeve, the lifting cable is located in the middle of the sliding sleeve, a hanger is arranged above the support frame, and the lifting cable is connected to the lifting driver after being reversed through the hanger; the movement of the pen in the Z-axis direction is realized by the simple mechanism of lifting through the cable, compared with the scheme of installing an additional Z-axis motor in the clamping position of the pen in the prior art, the structure is simpler, the overall weight of the pen clamping part can be reduced, and the inertia is further reduced, so that the smoothness and accuracy of writing during continuous high-speed operation are improved.
[0035] Further, as shown in Figure 2 , the lifting driver comprises a swing motor fixed to the support frame, a swing arm connected to the motor shaft of the swing motor, a support plate fixed to the front end of the swing motor, and a sliding sleeve provided on the support plate, and the end of the aforementioned lifting cable is connected to the swing arm through the sliding sleeve.
[0036] Further, as shown in Figure 1 and Figure 2 , a reversing baffle is arranged at the position corresponding to the arrangement position of the reversing roller at one end of the writing area, the cross section of the reversing baffle is arc-shaped structure, the arc shape is coaxial with the axis of the reversing roller, and the arc-shaped opening of the reversing baffle faces the direction of the rolling roller.
[0037] Further, as shown in Figure 1 and Figure 2 , the two ends of the reversing roller and the rolling roller are provided with rolling synchronous wheels, the rolling synchronous wheels of the reversing roller and the rolling roller are connected through a rolling synchronous belt transmission, a secondary driving wheel is coaxially fixed to the rolling synchronous wheel of the rolling roller, a rolling motor is fixedly connected to the support frame, a primary driving wheel is fixed to the motor shaft of the rolling motor, and the primary driving wheel and the secondary driving wheel are connected through a primary driving belt transmission.
[0038] Further, as shown in Figure 1 and Figure 2As shown, the X-axis moving mechanism includes two sets of mutually parallel X-axis guide rails fixed to the support frame, and a first X-axis slider and a second X-axis slider are respectively slidably connected to the X-axis guide rails, and a Y-axis support block is arranged between the first X-axis slider and the second X-axis slider, and the Y-axis moving mechanism includes a Y-axis guide rail fixed to the Y-axis support block, and a writing pen height lifting mechanism is slidably connected to the Y-axis guide rail.
[0039] Further, as shown, Figure 3 A belt clamping block is synchronously fixed to the writing pen height lifting mechanism, and a first motor frame and a second motor frame are respectively arranged at one end of the X-axis of the support frame, and the first motor frame and the second motor frame are located at the two ends of the Y-axis of the support frame; a first motor is fixed to the first motor frame, and a first synchronous pulley is fixed to the motor shaft of the first motor, and a first reversing pulley and a second reversing pulley are rotatably connected to the first motor frame, and a second motor is fixed to the second motor frame, and a second synchronous pulley is fixed to the motor shaft of the second motor, and a third reversing pulley and a fourth reversing pulley are rotatably connected to the second motor frame, wherein the first reversing pulley and the third reversing pulley are mirror-symmetrically arranged, a ninth reversing pulley is coaxially fixed above the first reversing pulley, and a tenth reversing pulley is coaxially fixed below the third reversing pulley, and a seventh reversing pulley and an eighth reversing pulley are rotatably connected to the first motor frame and the second motor frame respectively at the other end of the X-axis of the support frame, and a sixth reversing pulley and a fourth synchronous pulley are rotatably connected to the first X-axis slider, and a fifth reversing pulley and a third synchronous pulley are rotatably connected to the second X-axis slider; wherein the synchronous teeth of the first synchronous belt are matched with the first synchronous pulley, one end of the first synchronous belt passes through the second synchronous pulley and the seventh synchronous pulley in sequence, is reversed, and is matched with the third synchronous pulley, passes through the third synchronous pulley by 90°, is reversed, and is fixed to the belt clamping block, and the other end of the first synchronous belt passes through the first reversing pulley, the tenth reversing pulley, and the sixth reversing pulley in sequence, is reversed, and is fixed to the belt clamping block; wherein the second synchronous belt is matched with the second synchronous pulley, one end of the second synchronous belt passes through the fourth reversing pulley and the eighth reversing pulley in sequence, is reversed, is matched with the fourth synchronous pulley, passes through the fourth synchronous pulley by 90°, is reversed, and is fixed to the belt clamping block, and the other end of the second synchronous belt passes through the third reversing pulley, the ninth reversing pulley, and the fifth reversing pulley in sequence, is reversed, and is fixed to the belt clamping block; the driving of the X-axis and the Y-axis is realized by the two sets of belt mechanisms, the power part of the X-axis and the Y-axis is not directly fixed to the moving part of the X-axis and the Y-axis in this structure, the self-weight of the structure is reduced, the transmission gap of the belt transmission is low, and the transmission efficiency is higher.
[0040] When the structure is used, as shown, Figures 1-3As shown, the paper first contacts the bottom of the winding roller, then passes through the bottom of the reversing roller, and is folded back from the upper part of the reversing roller to the direction opposite to the winding roller through the gap between the reversing roller and the reversing baffle to realize the setting of the paper, and then the paper is wound in the direction of the winding roller towards the reversing roller through the continuous winding of the winding roller to realize the paper feeding;
[0041] Then the writing pen is pulled up by the swinging arm on the swinging motor to realize the upward movement of the writing pen, and after the swinging arm is released, the writing pen is pressed down on the paper by the traction of the spring;
[0042] The movement of the writing pen on the X and Y axes is realized by the synchronous movement of the two groups of belts. Since the first and second synchronous belts are fixed to the belt clamping blocks, the first and second synchronous belts will move the sliding frame in one direction relative to the Y-axis guide rail during the same direction winding, and at the same time, the first and second X-axis sliding blocks at both ends of the Y-axis support block will move in one direction relative to the X-axis guide rail. When the first and second synchronous belts are wound in the opposite direction, the end of the first and second synchronous belts, that is, the belt clamping block, will not move relative to the Y-axis guide rail, and the entire Y-axis support block will move in one direction relative to the X-axis guide rail. The reverse winding of the first and second synchronous belts can quickly realize the movement of the X-axis, and the synchronous movement of the first and second synchronous belts can realize the movement of the Y-axis.
[0043] Based on the above ideal embodiments according to the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of the claims.
Claims
1. An automatic book writing apparatus which automatically turns pages; characterized by, The application relates to a writing device, which comprises a support frame, a writing area arranged in the support frame, a page-turning mechanism and a writing mechanism arranged in the writing area of the support frame. The page-turning mechanism comprises at least one group of reversing rollers and at least one group of rolling rollers arranged in the writing area, the paper is in contact with the bottom position of the rolling rollers opposite to the writing area, the paper is driven by the rolling rollers to move towards the reversing rollers, the paper is folded upwards after passing the bottom of the reversing rollers and extends in the direction opposite to the rolling rollers, the reversing rollers and the rolling rollers are driven in the same rotating direction by two groups of synchronous rotating driving mechanisms. The writing mechanism comprises a height lifting mechanism, a writing pen is connected to the height lifting mechanism, and the height lifting mechanism is used for controlling the vertical distance of the writing pen relative to the Y axis of the writing area plane. The position control mechanism comprises an X axis moving mechanism arranged in the support frame and a Y axis moving mechanism, the Y axis moving mechanism is fixed to the X axis moving end of the X axis moving mechanism, and the writing pen height lifting mechanism is fixed to the Y axis moving end of the Y axis moving mechanism. The height lifting mechanism comprises a sliding frame connected to the Y axis moving end and a lifting driver, a writing pen clamp is slidably connected to the sliding frame through a guide rail, a push block is synchronously fixed to the writing pen clamp, the bottom of the push block is connected to the bottom of the sliding frame through a spring, the top of the push block is connected to a lifting cable, a hanging bracket is arranged above the support frame, and the lifting cable is connected to the lifting driver after being changed direction through the hanging bracket.
2. An automatic book writing apparatus of claim 1, wherein: The lifting driver comprises a swing motor fixed to the support frame, a swing arm is connected to the motor shaft of the swing motor, and the end of the aforementioned lifting cable is connected to the swing arm.
3. An automatic page-turning automated writing apparatus as claimed in claim 2, characterized in that: One end of the writing area corresponds to the arrangement position of the reversing rollers and is provided with a reversing baffle, the cross section of the reversing baffle is an arc structure, the arc of the reversing baffle is coaxial with the axis of the reversing roller, and the arc opening of the reversing baffle faces the direction of the rolling rollers.
4. An automatic book writing apparatus of claim 1, wherein the automatic book writing apparatus is configured to automatically write the book by automatically performing the steps of: The two ends of the reversing rollers and the rolling rollers are provided with rolling synchronous wheels, the rolling synchronous wheels of the reversing rollers and the rolling rollers are connected through a rolling synchronous belt transmission, a secondary driving wheel is coaxially fixed to the rolling synchronous wheel of the rolling roller, a rolling motor is fixed to the support frame, a primary driving wheel is fixed to the motor shaft of the rolling motor, and the primary driving wheel and the secondary driving wheel are connected through a belt transmission. 5. An automatic book writing apparatus of claim 1, wherein: The X axis moving mechanism comprises two groups of parallel X axis guide rails fixed to the support frame, a first X axis sliding block and a second X axis sliding block are slidably connected to the X axis guide rails respectively, and a Y axis supporting block is arranged between the first X axis sliding block and the second X axis sliding block.
6. An automatic book writing apparatus of claim 1, wherein: The Y axis moving mechanism comprises a Y axis guide rail fixed to the Y axis supporting block, and the writing pen height lifting mechanism is slidably connected to the Y axis guide rail.
7. An automatic book writing apparatus of claim 6, wherein: The writing pen height lifting mechanism is synchronously fixed with a belt clamping block, first motor frame and second motor frame are arranged at one end of the X axis of the support frame, the first motor frame and the second motor frame are located at the two ends of the Y axis of the support frame; the first motor is fixed on the first motor frame, the first synchronous pulley is fixed on the motor shaft of the first motor, the first reversing pulley and the second reversing pulley are rotatably connected on the first motor frame, the second motor is fixed on the second motor frame, the second synchronous pulley is fixed on the motor shaft of the second motor, the third reversing pulley and the fourth reversing pulley are rotatably connected on the second motor frame, wherein the first reversing pulley and the third reversing pulley are arranged in mirror symmetry, the ninth reversing pulley is coaxially fixed above the first reversing pulley, the tenth reversing pulley is coaxially fixed below the third reversing pulley, the seventh reversing pulley and the eighth reversing pulley are rotatably connected on the other end of the X axis of the support frame corresponding to the first motor frame and the second motor frame, the sixth reversing pulley and the fourth synchronous pulley are rotatably connected on the first X axis sliding block, the fifth reversing pulley and the third synchronous pulley are rotatably connected on the second X axis sliding block; wherein the synchronous teeth of the first synchronous belt cooperate with the first synchronous pulley, one end of the first synchronous belt passes through the second synchronous pulley and the seventh synchronous pulley in turn, is reversed, and then cooperates with the third synchronous pulley, passes through the third synchronous pulley by 90 degrees, and is then fixed to the belt clamping block, the other end of the first synchronous belt passes through the first reversing pulley, the tenth reversing pulley and the sixth reversing pulley in turn, is reversed, and is then fixed to the belt clamping block; wherein the second synchronous belt cooperates with the second synchronous pulley, one end of the second synchronous belt passes through the fourth reversing pulley, the eighth reversing pulley, is reversed, cooperates with the fourth synchronous pulley, passes through the fourth synchronous pulley by 90 degrees, and is then fixed to the belt clamping block, the other end of the second synchronous belt passes through the third reversing pulley, the ninth reversing pulley and the fifth reversing pulley, is reversed, and is then fixed to the belt clamping block.