Accurate calligraphy copying practice device

Abstract

The invention provides an accurate calligraphy copying practice device, and belongs to the technical field of calligraphy copying practice devices. The device for precise calligraphy copying practice comprises an assembling frame and a fixing table, a hydraulic rod is arranged in the assembling frame, a mounting plate is fixed to the bottom of the hydraulic rod, a fixing plate is rotatably arranged at the bottom of the mounting plate, a limiting frame is arranged on one side of the fixing plate, and a force sensing pen is arranged in the limiting frame. Through mutual cooperation of the mounting frame, the placement plate, the hydraulic rod, the force sensing pen, the PLC, the force sensing pen and the writing simulator, the force sensing pen is used for calligraphy practice, at the moment, the PLC can record the angle of the force sensing pen, the force sensing pen can record the writing force, a student practices calligraphy copying, and after the practice, the writing simulator can record the writing force of the force sensing pen. And the writing simulator can score the students, so that the students can personally experience writing techniques of calligraphy, and practical teaching of educators is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of calligraphy copying practice devices, and in particular to a device for calligraphy precise copying practice. Background Art

[0002] The device for practicing calligraphy precision copying is designed to help calligraphy enthusiasts and students practice calligraphy through efficient and accurate methods, especially to accurately copy the strokes, shapes and structures of calligraphy. It is usually equipped with the function of capturing and digitizing the image of calligraphy samples for subsequent processing. When in use, writing is generally started according to the projected calligraphy samples. At the same time, the handwriting tracking system will record and analyze the writing process in real time, helping calligraphy enthusiasts to obtain accurate feedback and guidance during the copying process, thereby effectively improving calligraphy skills and the quality of works.

[0003] In the specific practice of precise calligraphy copying, educators usually need to place the handwriting of the copybook that needs to be simulated under the copying paper, and then simulate the font characteristics of the calligraphy copybook and teach students to write, so as to realize the whole process. However, in the specific calligraphy simulation, the strength and angle of the pen are only simulated by the educator. Students cannot experience the calligraphy writing techniques personally, and the clarity of the handwriting cannot be guaranteed during the writing process, which is not convenient for educators to carry out practical teaching. Summary of the invention

[0004] In order to remedy the above deficiencies, the present invention provides a device for practicing accurate calligraphy copying, which overcomes the above technical problems or at least partially solves the above problems.

[0005] The present invention is achieved in that:

[0006] The present invention provides a device for practicing calligraphy precision imitation, comprising an assembly frame and a fixing table:

[0007] A hydraulic rod is arranged inside the assembly frame, a mounting plate is fixed at the bottom of the hydraulic rod, a fixing plate is rotatably arranged at the bottom of the fixing plate, a limiting frame is arranged on one side of the fixing plate, and a force sensor pen is arranged inside the limiting frame;

[0008] A partition is arranged inside the fixed platform, and limiting rods are arranged at the four corners of the top of the partition. A placing plate is inserted on the surface of the limiting rod, and a spring is arranged on the surface of the limiting rod. A dryer is arranged on one side of the fixed platform.

[0009] In a preferred solution, the spring is arranged on the surface of the limiting rod, the bottom of the spring is arranged on the top of the partition, and the other end of the spring is arranged on the bottom of the placement plate.

[0010] In a preferred solution, a blocking groove is provided inside the placement plate, the partition is made of a transparent material, a sliding groove is provided inside the fixing platform, and a mounting frame is provided inside the sliding groove.

[0011] In a preferred solution, a mounting groove is provided inside the mounting frame, a plurality of air outlets are provided on one side of the fixing platform, and the dryer is arranged on one side of the plurality of air outlets.

[0012] In a preferred solution, an electric telescopic rod is provided at the bottom of the mounting plate, a groove is provided on one side of the fixing plate, one end of the electric telescopic rod is provided inside the groove, and an adjustment rod is provided at the top of the force sensor pen.

[0013] In a preferred solution, a processing table is arranged on the left side of the fixing table, and a group of symmetrical fixing frames are arranged on the top of the processing table, wherein a servo motor is arranged on one side of one group of the fixing frames.

[0014] In a preferred embodiment, a screw rod is provided at the output end of the servo motor, a mounting frame is threadedly connected to the surface of the screw rod, an assembly rod is provided between the two groups of the fixing frames, the assembly rod slides inside the mounting frame, and a support plate is provided at the bottom of the servo motor.

[0015] In a preferred solution, a limit frame is provided on the top of the mounting frame, a reduction motor is provided on one side of the limit frame, a threaded rod is provided at the output end of the reduction motor, and the assembly frame is threadedly connected to the surface of the threaded rod.

[0016] In a preferred solution, a sliding rod is provided on the other side of the limiting frame, the sliding rod is inserted into the interior of the assembly frame, and a fixing frame is provided at one end of the sliding rod.

[0017] In a preferred solution, a limit fence and a writing simulator are provided on the top of the assembly frame, the hydraulic rod is arranged inside the limit fence, a PLC controller is provided on one side of another group of the fixed frames, the height of the left side of the fixed platform is higher than that of the right side, a plurality of the air outlets are arranged on the left side of the fixed platform, the force sensor pen is arranged above the placement plate, one end of the screw rod and one end of the threaded rod are both provided with bearing sleeves, the reduction motor is arranged on the top of the mounting frame, one side of the mounting plate is inclined, the support plate of the mounting frame is arranged on one side of the fixed frame, and the size of the blocking groove is larger than the size of the mounting groove.

[0018] The invention provides a device for practicing calligraphy precision imitation, and its beneficial effects include:

[0019] 1. Through the coordination of the installation frame, placement plate, hydraulic rod, force sensor pen, PLC controller, force sensor pen and writing simulator, place the copybook handwriting in the installation slot, place the copying paper in the blocking slot, use the hydraulic rod to move the force sensor pen to the position where writing is required, adjust the adjustment rod, and use the force sensor pen to practice calligraphy. When practicing, the copying paper can be moved downward. At this time, the PLC controller can record the angle of the force sensor pen, and the force sensor pen can record the writing force, and transmit the information to the writing simulator for record. Students practice calligraphy copying. After the practice, the writing simulator can score the students, so that students can personally experience the writing techniques of calligraphy, which is convenient for educators to conduct practical teaching.

[0020] 2. Through the mutual cooperation of the force sensor pen, PLC controller, electric telescopic rod, fixed plate and dryer, when the educator needs to adjust the angle of the force sensor pen, the educator can control the electric telescopic rod to extend through the PLC controller. When extended, it can drive the fixed plate to rotate. When the fixed plate rotates, it can drive the force sensor pen to move synchronously. When it moves to the required angle, the extension of the electric telescopic rod can be stopped. When the educator and the student are copying, the dryer can be started to quickly remove the excess ink or pigment moisture on the copying paper to ensure that the ink is fixed and not blurred, and avoid image distortion caused by the wet copying paper. It can improve the texture of the calligraphy work and make the strokes clearer and more stable, thereby improving the calligraphy copying effect and facilitating the use of educators.

[0021] 3. Through the cooperation of the servo motor, the screw rod, the mounting frame, the reduction motor, the threaded rod and the assembly frame, when the educator needs to adjust the X position of writing, the educator can first start the servo motor to drive the screw rod to rotate, and the screw rod drives the mounting frame to move. When it reaches the X writing position, the servo motor can be turned off, and the reduction motor can be started to drive the threaded rod to rotate. The threaded rod can drive the assembly frame to move to the Y position. When it moves to the writing position, the reduction motor can be turned off, so that the initial position of the writing copy can be adjusted, which is convenient for the educator to carry out subsequent teaching homework. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by an embodiment of the present invention;

[0024] Figure 2 A schematic diagram of the bottom structure of an assembly rack provided in an embodiment of the present invention;

[0025] Figure 3 The embodiments of the present invention provide Figure 2 The enlarged view of point A in the middle;

[0026] Figure 4 A schematic diagram of the top result of a processing table provided in an embodiment of the present invention;

[0027] Figure 5 A schematic diagram of the internal structure of a fixed platform is provided for an embodiment of the present invention;

[0028] Figure 6 A schematic diagram of the structure of one side of a processing table is provided for an embodiment of the present invention;

[0029] Figure 7 The embodiments of the present invention provide Figure 6 The enlarged view of point B in the middle;

[0030] Figure 8 A schematic diagram of the top structure of an assembly rack is provided for an embodiment of the present invention.

[0031] In the figure: 11, fixed frame; 12, servo motor; 13, screw rod; 14, assembly rod; 15, mounting frame; 16, reduction motor; 17, threaded rod; 18, sliding rod; 19, assembly frame; 2, hydraulic rod; 21, mounting plate; 22, fixing plate; 23, limit frame; 24, force sensor pen; 25, electric telescopic rod; 26, adjustment rod; 27, groove; 28, limit frame; 29, fixing frame; 3, PLC controller; 31, placement plate; 32, mounting frame; 33, partition; 34, limit rod; 35, fixing table; 36, writing simulator; 37, drying machine; 38, processing table; 39, mounting groove; 4, limit bar; 41, support plate; 42, air outlet; 43, spring; 44, barrier groove. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Reference Figure 1-8The present invention provides a technical solution: a device for practicing accurate calligraphy imitation, comprising an assembly frame 19 and a fixed platform 35, wherein a hydraulic rod 2 is arranged inside the assembly frame 19, a mounting plate 21 is fixed at the bottom of the hydraulic rod 2, a fixed plate 22 is rotatably arranged at the bottom of the mounting plate 21, a limit frame 23 is arranged on one side of the fixed plate 22, a force sensor pen 24 is arranged inside the limit frame 23, the force sensor pen 24 is equipped with a built-in sensor, which can measure the pressure applied when writing, can be connected to an electronic device, and record the pressure change in real time, which is convenient for the operator In use, a partition 33 is arranged inside the fixed platform 35, and limit rods 34 are arranged at the four corners of the top of the partition 33. A placement plate 31 is inserted on the surface of the limit rod 34, and a spring 43 is arranged on the surface of the limit rod 34. A dryer 37 is arranged on one side of the fixed platform 35. Through the cooperation of the mounting frame 32, the placement plate 31, the hydraulic rod 2, the force sensor pen 24, the PLC controller 3, the force sensor pen 24 and the writing simulator 36, when educators need to teach students to practice accurate calligraphy imitation, the educators can The educator can first pull out the installation frame 32, and then place the copybook and handwriting inside the installation groove 39, and then the educator can insert the installation frame 32 into the fixed platform 35. After completion, the educator can place the copying paper in the blocking groove 44 inside the placement plate 31, and the educator can use the hydraulic rod 2 to move the force sensor pen 24 to the position where writing is required. After completion, the educator can adjust the adjustment rod 26. After completion, use the force sensor pen 24 to practice calligraphy. When practicing, the force sensor pen 24 can move the copying paper downward. At this time, the PLC controller 3 can record the angle of the force sensor pen 24, and the force sensor pen 24 can record the writing force, and can transmit all information to the writing simulator 36 for recording. After writing is completed, the educator can take out the copying paper and replace it with a new copying paper. The students can practice calligraphy copying. After the practice is completed, the writing simulator 36 can score the students, so that the students can personally experience the writing techniques of calligraphy, which is convenient for educators to conduct practical teaching.

[0034] Reference Figure 1-8The spring 43 is arranged on the surface of the limiting rod 34, the bottom of the spring 43 is arranged on the top of the partition 33, and the other end of the spring 43 is arranged on the bottom of the placing plate 31. The placing plate 31 is provided with a blocking groove 44 inside, and the blocking groove 44 can limit the copying paper. The partition 33 is made of transparent material. By setting it as a transparent material, the user can observe the handwriting of the copybook and practice copying. The fixed platform 35 is provided with a slide groove inside, and the installation frame 32 can slide by setting the slide groove, so that the handwriting of the copybook can be placed. The installation frame 32 is arranged inside the slide groove. The height of the left side of the fixed platform 35 is higher than the height of the right side. degree, a plurality of air outlets 42 are arranged on the left side of the fixed platform 35. Through the above arrangement, when the dryer 37 is started, the copying paper can be dried when the user moves it to any position. The force sensor pen 24 is arranged above the placement plate 31, one end of the screw rod 13 and one end of the threaded rod 17 are both provided with bearing sleeves, the reduction motor 16 is arranged on the top of the mounting frame 15, and one side of the mounting plate 21 is inclined, so that when the electric telescopic rod 25 is extended, the fixing plate 22 can be rotated, and the support plate 41 of the mounting frame 32 is arranged on one side of the fixing frame 11, and the size of the blocking groove 44 is larger than the size of the mounting groove 39.

[0035] Among them, the models of the dryer 37 are GIR 3000 and FEC 5000, and the effects are: the hot air system can evenly blow hot air over the surface of the copying paper to evaporate excess ink or pigment moisture, ensure that the ink is fixed and not blurred, and provide stable temperature and wind speed to ensure that the copying paper can be evenly dried, which is convenient for the operator to use.

[0036] Reference Figure 1-8, a mounting groove 39 is provided inside the mounting frame 32, a plurality of air outlets 42 are provided on one side of the fixing platform 35, a dryer 37 is arranged on one side of the plurality of air outlets 42, an electric telescopic rod 25 is provided at the bottom of the mounting plate 21, a groove 27 is provided on one side of the fixing plate 22, one end of the electric telescopic rod 25 is arranged inside the groove 27, an adjusting rod 26 is provided at the top of the force sensor pen 24, by providing the adjusting rod 26, the height of the adjusting rod 26 can be adjusted according to the user's situation, and the force sensor pen 24, the PLC controller 3, the electric telescopic rod 25, the fixing plate 22 and the dryer 37 cooperate with each other, so that when the educator needs to adjust the force sensor pen When the angle of 24 is adjusted, the educator can control the electric telescopic rod 25 to extend through the PLC controller 3. When extended, the fixed plate 22 can be driven to rotate. When the fixed plate 22 rotates, the force sensor pen 24 can be driven to move synchronously. When it moves to the required angle, the extension of the electric telescopic rod 25 can be stopped. When the educator and the student are copying, the dryer 37 can be started to quickly remove the excess ink or pigment moisture on the copying paper to ensure that the ink is fixed and not blurred, and avoid image distortion caused by the wet copying paper. The texture of the calligraphy work can be improved, and the strokes can be made clearer and more stable, thereby improving the calligraphy copying effect and facilitating use by educators.

[0037] Reference Figure 1-8A processing table 38 is arranged on the left side of the fixed table 35, and a group of symmetrical fixed frames 11 are arranged on the top of the processing table 38, and a servo motor 12 is arranged on one side of one group of fixed frames 11, and a screw rod 13 is arranged at the output end of the servo motor 12, and a mounting frame 15 is threadedly connected on the surface of the screw rod 13, and an assembly rod 14 is arranged between the two groups of fixed frames 11, and the assembly rod 14 slides inside the mounting frame 15, and a support plate 41 is arranged at the bottom of the servo motor 12. By setting the support plate 41, the servo motor 12 can be supported, and the stability of the servo motor 12 can be improved. By setting the servo motor 12, the screw rod 13 and the mounting frame 15 to cooperate with each other, when the educator needs to adjust the X position of writing, the educator can first start the servo motor 12 to drive the screw rod 13 to rotate, and the screw rod 13 drives the mounting frame 15. The mounting frame 15 moves, and when it reaches the X writing position, the servo motor 12 can be turned off, so that the X direction can be adjusted. Through the cooperation of the servo motor 12, the screw rod 13, the mounting frame 15, the reduction motor 16, the threaded rod 17 and the assembly frame 19, when the educator needs to adjust the X position of writing, the educator can first start the servo motor 12 to drive the screw rod 13 to rotate, and the screw rod 13 drives the mounting frame 15 to move. When it reaches the X writing position, the servo motor 12 can be turned off, and the reduction motor 16 can be started to drive the threaded rod 17 to rotate, and the threaded rod 17 can drive the assembly frame 19 to move the Y position. When it moves to the writing position, the reduction motor 16 can be turned off, so that the initial position of the writing copy can be adjusted, which is convenient for the educator to carry out subsequent teaching homework.

[0038] Reference Figure 1-8 A limit frame 28 is provided on the top of the mounting frame 15, a reduction motor 16 is provided on one side of the limit frame 28, a threaded rod 17 is provided on the output end of the reduction motor 16, an assembly frame 19 is threadedly connected to the surface of the threaded rod 17, a slide bar 18 is provided on the other side of the limit frame 28, the slide bar 18 is inserted into the interior of the assembly frame 19, and a fixed frame 29 is provided on one end of the slide bar 18. By arranging the reduction motor 16, the threaded rod 17 and the assembly frame 19, the reduction motor 16 can be started to drive the threaded rod 17 to rotate when needed, and the threaded rod 17 can drive the assembly frame 19 to move the Y position. When it moves to the writing position, the reduction motor 16 can be turned off, so that the Y direction of the writing copy can be adjusted.

[0039] Reference Figure 1-8A limit fence 4 and a writing simulator 36 are set on the top of the assembly frame 19. The limit fence 4 can limit the hydraulic rod 2, which can improve the stability of the hydraulic rod 2, record the accuracy, strength and handwriting fluency of writing, and provide scoring or feedback. The hydraulic rod 2 is set inside the limit fence 4. A PLC controller 3 is set on one side of another set of fixed frames 11. By setting the PLC controller 3, the servo motor 12, the reduction motor 16 and the electric telescopic rod 25 can be controlled.

[0040] Specifically, the working process or working principle of the device for practicing calligraphy precision copying is as follows: in the specific practice of calligraphy precision copying, educators usually need to place the copybook handwriting, etc. that needs to be simulated under the copying paper, and then simulate the font characteristics of the calligraphy copybook and teach students to write, thereby realizing the overall process. However, in the specific simulation of calligraphy, the strength and angle of the pen are only simulated by the educator, and students cannot personally experience the calligraphy writing techniques, and cannot guarantee the clarity of the handwriting during the writing process, which is not convenient for educators to conduct practical teaching. Therefore, the present technical solution can solve the above problems. When educators need to teach students to practice calligraphy precision copying, educators can first pull out the installation frame 32, and then place the copybook handwriting, etc. The educator can then insert the mounting frame 32 into the fixing table 35. After completion, the educator can place the copying paper in the blocking groove 44 inside the placement plate 31. The educator can use the hydraulic rod 2 to move the force sensing pen 24 to the position where writing is required. After completion, the educator can adjust the adjustment rod 26. After completion, the force sensing pen 24 can be used for calligraphy practice. During the practice, the force sensing pen 24 can move the copying paper downward. At this time, the PLC controller 3 can record the angle of the force sensing pen 24. The force sensing pen 24 can record the force of writing and transmit all the information to the writing simulator 36 for recording. When writing is completed, the educator can take the copying paper out. The student practices calligraphy copying. When the practice is completed, the writing simulator 36 can score the student, so that the student can personally experience the writing technique of calligraphy, which is convenient for educators to conduct practical teaching. When the educator needs to adjust the X position of writing, the educator can first start the servo motor 12 to drive the screw rod 13 to rotate, and the screw rod 13 drives the mounting frame 15 to move. When it reaches the X writing position, the servo motor 12 can be turned off, and the reduction motor 16 can be started to drive the threaded rod 17 to rotate, and the threaded rod 17 can drive the assembly frame 19 to move the Y position. When it moves to the writing position, the reduction motor 16 can be turned off, so that the initial position of the writing copy can be adjusted. The position can be adjusted to facilitate the subsequent teaching assignments of the educator. When the educator needs to adjust the angle of the force sensor pen 24, the educator can control the electric telescopic rod 25 to extend through the PLC controller 3. When extended, the fixed plate 22 can be driven to rotate. When the fixed plate 22 rotates, the force sensor pen 24 can be driven to move synchronously. When it moves to the required angle, the extension of the electric telescopic rod 25 can be stopped. When the educator and the student are copying, the dryer 37 can be started to quickly remove the excess ink or pigment moisture on the copying paper to ensure that the ink is fixed and not blurred, and avoid image distortion caused by the wet copying paper. The texture of the calligraphy work can be improved, and the strokes can be made clearer and more stable, thereby improving the calligraphy copying effect.It is convenient for educators to use, and all processes are completed here.

Claims

1. A device for practicing calligraphy precision copying, comprising an assembly frame (19) and a fixing table (35), characterized in that: A hydraulic rod (2) is arranged inside the assembly frame (19), a mounting plate (21) is fixed at the bottom of the hydraulic rod (2), a fixing plate (22) is rotatably arranged at the bottom of the fixing plate (21), a limiting frame (23) is arranged on one side of the fixing plate (22), and a force sensor pen (24) is arranged inside the limiting frame (23); A partition (33) is arranged inside the fixed platform (35), and limiting rods (34) are arranged at the four corners of the top of the partition (33). A placement plate (31) is inserted on the surface of the limiting rod (34), and a spring (43) is arranged on the surface of the limiting rod (34). A drying machine (37) is arranged on one side of the fixed platform (35).

2. The device for practicing calligraphy precision imitation according to claim 1, characterized in that: The spring (43) is arranged on the surface of the limiting rod (34), the bottom of the spring (43) is arranged on the top of the partition (33), and the other end of the spring (43) is arranged on the bottom of the placement plate (31).

3. The device for practicing calligraphy accurate imitation according to claim 2, characterized in that: The placement plate (31) is provided with a blocking groove (44) inside, the partition (33) is made of a transparent material, the fixing platform (35) is provided with a sliding groove inside, and a mounting frame (32) is provided inside the sliding groove.

4. The device for practicing calligraphy accurate imitation according to claim 3, characterized in that: The interior of the installation frame (32) is provided with an installation groove (39), one side of the fixing platform (35) is provided with a plurality of air outlet holes (42), and the drying machine (37) is arranged on one side of the plurality of air outlet holes (42).

5. The device for practicing calligraphy accurate imitation according to claim 4, characterized in that: An electric telescopic rod (25) is arranged at the bottom of the mounting plate (21), a groove (27) is provided on one side of the fixing plate (22), one end of the electric telescopic rod (25) is arranged inside the groove (27), and an adjustment rod (26) is arranged at the top of the force sensor pen (24).

6. The device for practicing calligraphy accurate imitation according to claim 5, characterized in that: A processing table (38) is arranged on the left side of the fixed table (35), and a group of symmetrical fixed frames (11) are arranged on the top of the processing table (38), wherein a servo motor (12) is arranged on one side of one group of the fixed frames (11).

7. The device for practicing calligraphy accurate imitation according to claim 6, characterized in that: A screw rod (13) is provided at the output end of the servo motor (12), and a mounting frame (15) is threadedly connected to the surface of the screw rod (13). An assembly rod (14) is provided between the two groups of fixing frames (11), and the assembly rod (14) slides inside the mounting frame (15). A support plate (41) is provided at the bottom of the servo motor (12).

8. The device for practicing calligraphy accurate imitation according to claim 7, characterized in that: A limit frame (28) is arranged on the top of the mounting frame (15), a reduction motor (16) is arranged on one side of the limit frame (28), a threaded rod (17) is arranged at the output end of the reduction motor (16), and the assembly frame (19) is threadedly connected to the surface of the threaded rod (17).

9. The device for practicing calligraphy accurate imitation according to claim 8, characterized in that: A sliding rod (18) is arranged on the other side of the limiting frame (28), the sliding rod (18) is inserted into the interior of the assembly frame (19), and a fixing frame (29) is arranged on one end of the sliding rod (18).

10. The device for practicing calligraphy accurate imitation according to claim 9, characterized in that: A limit fence (4) and a writing simulator (36) are arranged on the top of the assembly frame (19), the hydraulic rod (2) is arranged inside the limit fence (4), a PLC controller (3) is arranged on one side of another group of the fixed frames (11), the height of the left side of the fixed platform (35) is higher than the height of the right side, a plurality of air outlets (42) are arranged on the left side of the fixed platform (35), the force sensor pen (24) is arranged above the placement plate (31), one end of the screw rod (13) and one end of the threaded rod (17) are both provided with bearing sleeves, the reduction motor (16) is arranged on the top of the mounting frame (15), one side of the mounting plate (21) is inclined, the support plate (41) of the mounting frame (32) is arranged on one side of the fixed frame (11), and the size of the blocking groove (44) is larger than the size of the mounting groove (39).

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