Automatic oven material collecting machine

Abstract

The application relates to the technical field of oven material collection, and discloses an automatic oven material collection machine, which comprises a machine body, the front side of the machine body is provided with a connection table mechanism used for accommodating a graphite boat carrier and a product frame, the graphite boat carrier and the product are connected through the connection table mechanism, the graphite boat carrier and the product are pushed through a connection table pushing mechanism, the graphite boat carrier and the product are pushed to a separation mechanism, the graphite boat carrier and the product are separated through the separation mechanism, the frame is clamped through a frame clamping mechanism, the graphite boat is adsorbed through a graphite boat adsorption mechanism, the product frame and the graphite boat are separated, and the product is pushed into a magazine material collection mechanism through a frame pushing mechanism and a frame switching mechanism to be collected, so that the separation and collection of the product and the graphite carrier after oven operation can be automatically completed, the production efficiency is greatly improved, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oven material collection, in particular to an automatic oven material collection machine. BACKGROUND

[0002] In the field of electronic manufacturing, tunnel soldering furnace, reflow soldering furnace and wave soldering furnace are the core equipment for realizing the welding of circuit boards and electronic components, and are widely used in consumer electronics, automotive electronics, industrial control and other industries. With the development of electronic products towards miniaturization and high density, the welding precision and production efficiency requirements continue to improve.

[0003] In the traditional oven (tunnel soldering furnace, reflow soldering furnace and wave soldering furnace) operation process of electronic manufacturing production line, the rear material collection link has been restricted by manual operation for a long time: after the welding process is completed, the graphite disc carrier and products carried by the graphite disc carrier need to be manually grabbed and sorted one by one by the operator. This operation mode is completely incompatible with the high efficiency rhythm of continuous and large-scale production of the oven, which will directly slow down the overall production line rhythm, cause waste of production line capacity, and reduce the operation efficiency of the production line, so an automatic oven material collection machine is proposed. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an automatic oven material collection machine to solve the problems mentioned in the background.

[0005] To achieve the above purpose, the present application provides the following technical scheme: an automatic oven material collection machine, comprising a machine body, a connection table mechanism for receiving graphite boat carriers and product frames is arranged on the front side of the machine body, a connection table pushing mechanism for pushing graphite boat carriers and product frames is arranged on the top outer surface of the machine body corresponding to the connection table, a separation mechanism for assisting in separating graphite boat carriers and product frames is arranged on the top outer surface of the machine body corresponding to the rear side of the connection table pushing mechanism, a support sliding table is fixedly connected to the top outer surface of the machine body corresponding to the rear side of the separation mechanism, two linear sliding rails are installed on the support sliding table, frame clamping mechanisms and graphite boat suction mechanisms are arranged on the output ends of the two linear sliding rails respectively, a frame switching mechanism is arranged on the left side of the top outer surface of the machine body corresponding to the separation mechanism, a frame pushing mechanism is arranged on the left side of the top outer surface of the machine body corresponding to the frame switching mechanism, and a magazine material collection mechanism is arranged on the rear side of the top outer surface of the machine body corresponding to the frame switching mechanism.

[0006] Further, the docking station mechanism comprises a support table arranged on the front side of the body, the top outer surface of the support table is fixedly connected with a U-shaped plate, the opposite side of the left and right sides of the U-shaped plate is provided with an adjusting plate, the opposite outer surfaces of the two adjusting plates are rotatably connected with a plurality of chain wheels through support shafts, a chain is arranged around the plurality of chain wheels and engaged therebetween, the outer surfaces of the two adjusting plates are fixedly installed with first motors, and the output ends of the two first motors are connected with the support shafts supporting two chain wheels respectively;

[0007] The outer surfaces of the left and right sides of the U-shaped plate are rotatably connected with positive and negative screw rods, the outer surfaces of the positive and negative screw rods are fixedly connected with a rocking handle, the outer surface of the adjusting plate is fixedly connected with a threaded sleeve, and the threaded sleeve is threadedly connected with the outer surface of the positive and negative screw rod.

[0008] Further, the docking station pushing mechanism comprises two support feet fixedly arranged on the top of the body, the top outer surfaces of the two support feet are fixedly connected with a horizontal plate, the outer surface of the horizontal plate is fixedly installed with an extension plate, the outer surface of the extension plate is fixedly installed with a second motor, the outer surfaces of the horizontal plate and the extension plate are rotatably connected with a plurality of first synchronous pulleys through support shafts, a first synchronous toothed belt is arranged around and engaged between the plurality of first synchronous pulleys, the output end of the second motor is fixedly connected with the support shaft of one of the first synchronous pulleys, the outer surface of the first synchronous toothed belt is fixedly connected with a sliding plate, the top outer surface of the sliding plate is fixedly installed with a first sliding table air cylinder, and the output end of the first sliding table air cylinder is fixedly connected with an L-shaped pushing rod.

[0009] Further, the separating mechanism comprises two fixed feet fixedly arranged on the top of the body, the top outer surfaces of the two fixed feet are fixedly connected with a support plate, the top outer surface of the support plate is fixedly connected with a door-shaped plate, the door-shaped plate and the support plate form a containing groove therebetween, the bottom outer surface of the support plate is fixedly installed with a jacking air cylinder, the output end of the jacking air cylinder penetrates through the support plate and is fixedly installed with a supporting plate, a plurality of jacks are fixedly connected to the supporting plate, and a plurality of through grooves matched with the jacks are formed in the outer surface of the door-shaped plate.

[0010] Further, the frame clamping mechanism comprises a first driving plate connected with the output end of one of the linear sliding rails, the outer surface of the first driving plate is fixedly installed with a first Z-direction motor, the output end of the first Z-direction motor is installed with a connecting plate, the bottom of the connecting plate is provided with a door-shaped air distribution block, the opposite outer surfaces of the left and right sides of the air distribution block are installed with X-direction bidirectional sliding table air cylinders, the two output ends of the X-direction bidirectional sliding table air cylinders are both installed with Y-direction sliding table air cylinders, the output end of the Y-direction sliding table air cylinder is installed with a clamping jaw air cylinder for clamping the product frame, and the air distribution block is in communication with the X-direction bidirectional sliding table air cylinder, the Y-direction sliding table air cylinder and the clamping jaw air cylinder through connecting air pipes respectively;

[0011] The outer surface of the Y-direction sliding table cylinder is fixedly connected with a pressing rod.

[0012] Further, the graphite boat suction mechanism comprises a second driving plate installed at the output end of one of the linear sliding rails, the outer surface of the second driving plate is fixedly installed with a second sliding table cylinder, the output end of the second sliding table cylinder is installed with a vacuum chuck, and the outer surface of the top of the machine body is provided with a material collecting rack for preventing the graphite boat carrier on the right side of the separating mechanism.

[0013] Further, the frame switching mechanism comprises a support frame fixed above the machine body, the top outer surface of the support frame is fixedly connected with two fixed blocks, the first screw rod is rotatably connected between the two fixed blocks, the outer surface of one of the fixed blocks is fixedly installed with a fourth motor, the output end of the fourth motor is fixedly connected with the first screw rod, the outer surface of the first screw rod is threadedly connected with a first threaded block, and the top outer surface of the first threaded block is fixedly connected with a placing plate for placing the product frame.

[0014] Further, the frame pushing mechanism comprises two support columns fixed at the top of the machine body, the top outer surfaces of the two support columns are fixedly connected with a flat plate, the outer surface of the flat plate is fixedly connected with a long plate, the outer surface of the long plate is fixedly installed with a third motor, the outer surfaces of the flat plate and the long plate are rotatably connected with a plurality of second synchronous pulleys through support shafts, the output end of the third motor is fixedly connected with the support shaft supporting one of the second synchronous pulleys, the outer surfaces of the plurality of second synchronous pulleys are all wound with a second synchronous toothed belt, the outer surface of the second synchronous toothed belt is fixedly connected with a pushing plate, the vertical surface of the pushing plate is fixedly installed with a third sliding table cylinder, the output end of the third sliding table cylinder is fixedly connected with a detection plate, and a push rod is arranged below the detection plate.

[0015] Further, the magazine collecting mechanism comprises a hollow plate fixed on the top of the machine body and a collecting magazine, the top outer surface of the hollow plate is fixedly connected with a side plate towards the front side, the rear side of the side plate is fixedly connected with a full-box storage plate, one side of the top outer surface of the hollow plate is fixedly connected with a vertical plate, one side of the side plate towards the vertical plate is fixedly connected with a guide seat, the outer surface of the guide seat is provided with a guide groove for the product to pass through, one side of the vertical plate towards the center of the hollow plate is fixedly connected with two supporting blocks, a second lead screw is rotatably connected between the two supporting blocks, the outer surface of one side of the hollow plate away from the supporting blocks is fixedly connected with a mounting block, the outer surface of the mounting block is fixedly installed with a fifth motor, the output end of the fifth motor and the outer surface of the second lead screw are fixedly sleeved with a third synchronous pulley, the outer surfaces of the two third synchronous pulleys are provided with a third synchronous toothed belt engaged therearound, the outer surface of the second lead screw is threadedly connected with a threaded block, the outer surface of the threaded block is fixedly connected with a sliding plate, the outer surface of the sliding plate is fixedly installed with a first air cylinder, the output end of the first air cylinder is fixedly connected with a fixed plate, the top outer surface of the fixed plate is vertically fixedly connected with a top plate, one side of the top plate towards the center of the hollow plate is fixedly installed with a second air cylinder, the output end of the second air cylinder is fixedly connected with a pressing plate, one side of the fixed plate towards the center of the hollow plate is fixedly connected with a bottom plate, the collecting magazine is clamped and pressed between the pressing plate and the bottom plate.

[0016] The inner surface of the hollow plate is rotatably connected with two fourth synchronous pulleys through supporting shafts, the outer surfaces of the two fourth synchronous pulleys are provided with a fourth synchronous toothed belt engaged therearound, the bottom outer surface of the hollow plate is fixedly installed with a sixth motor, the surface of the machine body is provided with a mounting groove for mounting the sixth motor, the output end of the sixth motor is fixedly connected with one of the supporting shafts supporting the fourth synchronous pulley, the top outer surface of the fourth synchronous toothed belt is fixedly connected with a moving plate, the top outer surface of the moving plate is fixedly connected with two stop rods.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] In the automatic material collecting machine of the oven, the graphite boat carrier and the product are connected through the connection table mechanism, the graphite boat carrier and the product are pushed through the connection table pushing mechanism, and the graphite boat carrier and the product are separated through the separation mechanism, the frame is clamped and the graphite boat is adsorbed through the frame clamping mechanism and the graphite boat suction mechanism, the product frame and the graphite boat are separated, and the product is pushed into the magazine collecting mechanism through the frame pushing mechanism and the frame switching mechanism, so that the separation and collection of the product and the graphite carrier after the oven operation can be automatically completed, the production efficiency is greatly improved, and the labor cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Fig. 1 is a perspective view of the present application;

[0020] Figure 2 Fig. 2 is a plan view of the present application;

[0021] Figure 3 Fig. 3 is a view of the present application showing the structure of the docking station mechanism when carrying the graphite boat carrier and product frame;

[0022] Figure 4 Fig. 4 is a view of the present application showing the structure of the docking station mechanism;

[0023] Figure 5 Fig. 5 is a view of the present application showing the structure of the docking station pushing mechanism;

[0024] Figure 6 Fig. 6 is a view of the present application showing the structure of the separation mechanism;

[0025] Figure 7 Fig. 7 is a view of the present application showing the structure of the support sliding table and its related structure;

[0026] Figure 8 Fig. 8 is a view of the present application showing the structure of the frame clamping mechanism;

[0027] Figure 9 Fig. 9 is a view of the present application showing the structure of the frame pushing mechanism, frame switching mechanism and magazine material receiving mechanism when cooperating;

[0028] Figure 10 Fig. 10 is a view of the present application showing the structure of the frame pushing mechanism;

[0029] Figure 11 Fig. 11 is a view of the present application showing the structure of the frame switching mechanism;

[0030] Figure 12 Fig. 12 is a view of the present application showing the structure of the magazine material receiving mechanism;

[0031] Figure 13 Fig. 13 is a view of the present application showing the structure of the hollow plate inside and its related structure.

[0032] In the figure: 1, machine body; 2, docking station mechanism; 3, docking station pushing mechanism; 4, separation mechanism; 5, supporting sliding table; 6, frame clamping mechanism; 7, graphite boat suction mechanism; 8, frame pushing mechanism; 9, frame switching mechanism; 10, magazine material collecting mechanism; 201, supporting table; 202, U-shaped plate; 203, adjusting plate; 204, chain wheel; 205, first motor; 206, chain; 207, forward and reverse screw rod; 208, crank; 209, threaded sleeve; 301, supporting leg; 302, cross plate; 303, first synchronous pulley; 304, second motor; 305, first synchronous toothed belt; 306, sliding plate; 307, first sliding table cylinder; 308, pushing rod; 401, fixed leg; 402, supporting plate; 403, door-shaped plate; 404, jacking cylinder; 405, supporting plate; 406, ejector pin; 601, first driving plate; 602, first Z-direction motor; 603, connecting plate; 604, gas distribution block; 605, Y-direction sliding table cylinder; 606, clamping jaw cylinder; 607, pressing rod; 701, second driving plate; 702, second sliding table cylinder; 703, vacuum chuck; 801, supporting column; 802, flat plate; 803, third motor; 804, second synchronous pulley; 805, second synchronous toothed belt; 806, pushing plate; 807, third sliding table cylinder; 808, pushing rod; 901, supporting frame; 902, first screw rod; 903, fourth motor; 904, placing plate; 1001, hollow plate; 1002, vertical plate; 1003, second screw rod; 1004, sliding plate; 1005, first cylinder; 1006, fixed plate; 1007, second cylinder; 1008, pressing plate; 1009, material collecting magazine; 1010, fifth motor; 1011, third synchronous pulley; 1012, third synchronous toothed belt; 1013, fourth synchronous pulley; 1014, fourth synchronous toothed belt; 1015, moving plate; 1016, blocking rod; 1017, sixth motor; 1018, guide seat; 1019, side plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] Embodiment: Please refer to Figures 1-3The application provides a technical scheme: an automatic material collecting machine of an oven, which comprises a machine body 1, a docking table mechanism 2 provided on the front side of the machine body 1 and used for receiving graphite boat carriers and product frames, a docking table pushing mechanism 3 provided on the top outer surface of the machine body 1 and corresponding to the docking table and used for pushing the graphite boat carriers and the product frames, a separation mechanism 4 provided on the top outer surface of the machine body 1 and corresponding to the rear side of the docking table pushing mechanism and used for assisting in separating the graphite boat carriers and the product frames, a support sliding table 5 fixedly connected to the top outer surface of the machine body 1 and located at the rear side of the separation mechanism 4, two straight line sliding rails installed on the support sliding table 5, a frame clamping mechanism 6 and a graphite boat suction mechanism 7 respectively arranged at the output ends of the two straight line sliding rails, a frame switching mechanism 9 provided on the top outer surface of the machine body 1 and located at the left side of the separation mechanism 4, a frame pushing mechanism 8 provided on the top outer surface of the machine body 1 and located at the left side of the frame switching mechanism 9, and a cartridge material collecting mechanism 10 provided on the top outer surface of the machine body 1 and located at the rear side of the frame switching mechanism 9.

[0035] In the specific implementation process, the graphite boat carriers and the products are docked through the docking table mechanism 2, then the graphite boat carriers and the products are pushed through the docking table pushing mechanism 3, and then the graphite boat carriers and the products are pushed to the separation mechanism 4, the graphite boat carriers and the products are assisted in separation through the separation mechanism 4, the frame is clamped through the frame clamping mechanism 6 and the graphite boat is adsorbed through the graphite boat suction mechanism 7, the product frame and the graphite boat are separated, then the product is pushed to the cartridge material collecting mechanism 10 through the frame pushing mechanism 8 and the frame switching mechanism 9, and the product is collected, so that the separation and collection of the products and the graphite boat carriers after the oven operation can be automatically completed, the production efficiency is greatly improved, and the labor cost is reduced.

[0036] Reference Figure 3 And Figure 4 Further, the docking table mechanism 2 comprises a support table 201 provided on the front side of the machine body 1, the top outer surface of the support table 201 is fixedly connected with a U-shaped plate 202, the left and right sides of the U-shaped plate 202 are provided with adjusting plates 203, a plurality of chain wheels 204 are rotationally connected to the opposite outer surfaces of the two adjusting plates 203 through support shafts, a chain 206 is arranged between the plurality of chain wheels 204 and engaged with the chain wheels 204, the outer surfaces of the two adjusting plates 203 are fixedly installed with first motors 205, and the output ends of the two first motors 205 are connected with the support shafts supporting the two chain wheels 204.

[0037] In the specific implementation process, the graphite boat and the product in the oven after completion of baking are conveyed to the docking table mechanism 2, the graphite boat and the product are conveyed to the two chains 206, the corresponding chain wheels 204 are driven to rotate through the first motors 205, the chain wheels 204 are engaged with the chains 206, the chains 206 are conveyed, and the graphite boat and the product are conveyed.

[0038] The outer surfaces of the left and right sides of the U-shaped plate 202 are rotationally connected with positive and negative screw rods 207, the outer surfaces of the positive and negative screw rods 207 are fixedly connected with a crank 208, the outer surface of the adjusting plate 203 is fixedly connected with a threaded sleeve 209, and the threaded sleeve 209 is threadedly connected with the outer surface of the positive and negative screw rod 207.

[0039] In the specific implementation process, the crank 208 is rotated to drive the positive and negative screw rods 207 to rotate, so that the threaded sleeves 209 move, and the two threaded sleeves 209 drive the adjusting plates 203 to move, respectively, so as to adjust the distance between the two adjusting plates 203, thereby adjusting the distance between the two chains 206, so that graphite boat carriers of different sizes can be docked.

[0040] The two sides of the U-shaped plate 202 are provided with vertical mounting plates, and an infrared ray emitting end and an infrared ray receiving end are mounted between the two vertical mounting plates. Specifically, the infrared ray emitting end emits infrared rays, and the infrared rays are received through the infrared ray receiving end. When the graphite boat carrier and the product frame are placed between the two chains 206, the infrared ray emitting end is blocked by the graphite boat carrier and the product frame, and a signal is sent to the external controller through the infrared ray emitting end, so as to determine whether the graphite boat carrier and the product frame exist on the docking station mechanism 2. The controller, the infrared ray emitting end and the infrared ray receiving end are existing structures, the detection of the object signal through the infrared ray emitting end and the infrared ray receiving end is a known mature technology, and the control circuit can be realized through simple programming by a person skilled in the art. It belongs to the public knowledge in the art, only its use is described, no improvement is made, so the control mode and circuit connection are not described in detail.

[0041] Reference Figure 5 Further, the docking station pushing mechanism 3 includes two support feet 301 fixed on the top of the machine body 1, the top outer surfaces of the two support feet 301 are fixedly connected with a horizontal plate 302, the outer surface of the horizontal plate 302 is fixedly installed with an extension plate, the outer surface of the extension plate is fixedly installed with a second motor 304, the outer surfaces of the horizontal plate 302 and the extension plate are rotationally connected with a plurality of first synchronous pulleys 303 through support shafts, a first synchronous toothed belt 305 is engaged around the plurality of first synchronous pulleys 303, the output end of the second motor 304 is fixedly connected with the support shaft of one of the first synchronous pulleys 303, the outer surface of the first synchronous toothed belt 305 is fixedly connected with a sliding plate 306, the top outer surface of the sliding plate 306 is fixedly installed with a first sliding table air cylinder 307, and the output end of the first sliding table air cylinder 307 is fixedly connected with an L-shaped pushing rod 308.

[0042] In the implementation process, the second motor 304 works, the second motor 304 drives the corresponding first synchronous pulley 303 to rotate, and the first synchronous toothed belt 305 is supported and driven by the rotation of the plurality of first synchronous pulleys 303. When the first synchronous toothed belt 305 is driven, the sliding movement is driven, the sliding plate 306 drives the pushing rod 308 to move, and when the pushing rod 308 contacts the graphite boat and the product, the graphite boat and the product are pushed away along with the movement of the pushing rod 308.

[0043] Reference Figure 6 Further, the separating mechanism 4 comprises two fixed feet 401 fixed on the top of the machine body 1, the top outer surface of the two fixed feet 401 is fixedly connected with a support plate 402, the top outer surface of the support plate 402 is fixedly connected with a door-shaped plate 403, the door-shaped plate 403 and the support plate 402 form a containing groove, the bottom outer surface of the support plate 402 is fixedly installed with a jacking cylinder 404, the output end of the jacking cylinder 404 penetrates through the support plate 402 and is fixedly installed with a supporting plate 405, a plurality of jacks 406 are fixedly connected on the supporting plate 405, and a plurality of through grooves matched with the jacks 406 are formed in the outer surface of the door-shaped plate 403;

[0044] In the implementation process, the graphite boat carrier and the product frame are pushed to the door-shaped plate 403, the jacking cylinder 404 is worked, the jacking cylinder 404 drives the supporting plate 405 to move upwards, so that the jacks 406 pass through the through grooves and are jacked upwards, thereby assisting the separation of the product frame and the graphite carrier.

[0045] Reference Figure 7 And Figure 8 Further, the frame clamping mechanism 6 comprises a first driving plate 601 connected with the output end of one of the linear slide rails, a first Z-direction motor 602 is fixedly installed on the outer surface of the first driving plate 601, a connecting plate 603 is installed on the output end of the first Z-direction motor 602, a gas distribution block 604 is arranged at the bottom of the connecting plate 603, X-direction bidirectional slide cylinder is installed on the opposite outer surfaces of the left and right sides of the gas distribution block 604, Y-direction slide cylinder 605 is installed on the two output ends of the X-direction bidirectional slide cylinder, clamping jaw cylinder 606 for clamping the product frame is installed on the output end of the Y-direction slide cylinder 605, and the gas distribution block 604 is communicated with the X-direction bidirectional slide cylinder, the Y-direction slide cylinder 605 and the clamping jaw cylinder 606 through the connecting gas pipe;

[0046] In the implementation process, first of all, through the linear slide rail work on the supporting sliding table 5, the linear slide rail drives the frame clamping mechanism 6 to move, the first Z direction motor 602 drives the jaw cylinder 606 to move downward, the two jaws of the jaw cylinder 606 correspond to the through hole of the product, the jaw cylinder 606 clamps the product through the through hole, and then the first Z direction motor 602 works in reverse to drive the clamped product frame to move upward, and the separated graphite boat carrier is left on the door-shaped plate 403.

[0047] It is worth noting that the product is provided with a through hole, the two jaws of the jaw cylinder 606 correspond to the through hole on the product, and the jaw cylinder 606 controls the opening and closing of the jaws by using the compression and release of gas. When the gas pressure signal is input into the cylinder, the gas in the cylinder is compressed, so that the jaws close to clamp the object. On the contrary, when the gas pressure signal stops inputting, the gas in the cylinder releases, and the jaws open to release the object. By controlling the input and stop of the gas pressure signal, the action of the jaws can be accurately controlled to clamp and release the object.

[0048] It is also worth noting that the gas distribution block 604, also commonly known as a gas path distribution block or a gas source distributor, is a key component in the pneumatic system for centralized management and distribution of compressed air. The main function is to distribute compressed air from one or more main air sources to multiple branches according to the demand, providing stable and clean air sources for different pneumatic components, such as X-direction double sliding table cylinder, Y-direction sliding table cylinder 605 and jaw cylinder 606, and facilitating the installation, maintenance and control of the gas path.

[0049] Among them, the outer surface of the Y-direction sliding table cylinder 605 is fixedly connected with the pressing rod 607. Specifically, when the first Z-direction motor 602 drives the jaw cylinder 606 to move downward, the pressing rod 607 presses the graphite boat, so that the product frame can be separated from the graphite boat when taking the product frame.

[0050] Reference Figure 7 Further, the graphite boat suction mechanism 7 includes a second driving plate 701 installed at the output end of one of the linear slide rails, and a second sliding table cylinder 702 is fixedly installed on the outer surface of the second driving plate 701. The output end of the second sliding table cylinder 702 is provided with a vacuum chuck 703, and the top outer surface of the machine body 1 is provided with a material collecting rack for preventing the graphite boat carrier on the right side of the separating mechanism 4.

[0051] In the specific implementation process, through the work of the linear slide rail on the supporting sliding table 5, the linear slide rail drives the second driving plate 701 to move, so that the vacuum chuck 703 moves to the corresponding position of the graphite boat carrier, through the work of the second sliding table cylinder 702, the second sliding table cylinder 702 drives the vacuum chuck 703 to move downward, so that the vacuum chuck 703 adsorbs the graphite boat carrier, and then moves the adsorbed graphite boat carrier to the material receiving rack for material receiving through the reverse movement of the linear slide rail.

[0052] Reference Figure 9 And Figure 11 Further, the frame switching mechanism 9 comprises a supporting frame 901 fixed above the machine body 1, the top outer surface of the supporting frame 901 is fixedly connected with two fixed blocks, the two fixed blocks are rotationally connected with a first lead screw 902, the outer surface of one of the fixed blocks is fixedly installed with a fourth motor 903, the output end of the fourth motor 903 is fixedly connected with the first lead screw 902, the outer surface of the first lead screw 902 is threadedly connected with a first threaded block, and the top outer surface of the first threaded block is fixedly connected with a placing plate 904 for placing product frames.

[0053] In the specific implementation process, the product frame is placed on the placing plate 904, the fourth motor 903 is operated to drive the first lead screw 902 to rotate, the first lead screw 902 drives the first threaded block to move, so that the first threaded block drives the supporting plate 402 to move, so that a single product corresponds to the feeding end of the magazine material receiving mechanism 10, and the single product is pushed into the feeding end of the magazine material receiving mechanism 10 through the frame pushing mechanism 8, and the single product is received through the magazine material receiving mechanism 10, and as the single product is received, the fourth motor 903 drives the first lead screw 902 to drive the first threaded block to move, so that the single product corresponds to the feeding end of the magazine material receiving mechanism 10 one by one.

[0054] Reference Figure 9 And Figure 10 Further, the frame pushing mechanism 8 comprises two supporting columns 801 fixed on the top of the machine body 1, the top outer surfaces of the two supporting columns 801 are fixedly connected with a flat plate 802, the outer surface of the flat plate 802 is fixedly connected with a long plate, the outer surface of the long plate is fixedly installed with a third motor 803, the outer surfaces of the flat plate 802 and the long plate are rotationally connected with a plurality of second synchronous pulleys 804 through supporting shafts, the output end of the third motor 803 is fixedly connected with one of the supporting shafts supporting the second synchronous pulleys 804, the outer surfaces of the plurality of second synchronous pulleys 804 are all provided with a second synchronous toothed belt 805 engaged therearound, the outer surface of the second synchronous toothed belt 805 is fixedly connected with a pushing plate 806, the vertical surface of the pushing plate 806 is fixedly installed with a third sliding table cylinder 807, the output end of the third sliding table cylinder 807 is fixedly connected with a detection plate, and a push rod 808 is arranged below the detection plate.

[0055] In the specific implementation process, the frame pushing mechanism 8 works by the third sliding table cylinder 807 to drive the push rod 808 to correspond to the through hole of the finished product, and by the third motor 803 working, the third motor 803 drives a second synchronous pulley 804 to rotate, and under the support of a plurality of second synchronous pulleys 804, the second synchronous toothed belt 805 is driven to move, the second synchronous toothed belt 805 drives the push plate 806 to move when transmitting, the push plate 806 drives the push rod 808 to push a single finished product, so that the single finished product moves, and the single finished product moves to the feeding end of the magazine material collecting mechanism 10.

[0056] Wherein, the single finished product may be jammed when moving to the feeding end of the magazine material collecting mechanism 10, therefore, a pressure sensor is installed at the bottom of the detection plate, and the push rod 808 abuts against the pressure sensor, when the finished product is jammed, the value of the pressure sensor will increase with the movement of the push rod 808, when the value of the pressure sensor reaches the set value, the pressure sensor sends a signal to the controller, and the controller controls to issue an alarm to remind the staff that the jamming phenomenon occurs, and the obstacle point is cleared in time.

[0057] Wherein, a photoelectric sensor is installed below the detection plate, which judges whether the product moves to the specified position or not, when moving to the specified position, the product blocks the light beam, thereby sending a signal to the controller to make the third motor 803 work, the emitter and the receiver of the photoelectric sensor are integrated in the same device, the emitter emits light beam (such as infrared, visible light) to the detection area, when an object enters the area, the light beam is reflected by the surface of the object, part of the reflected light is captured by the receiver, and the sensor judges whether there is an object according to this.

[0058] The pressure sensor, the photoelectric sensor and the controller are existing structures, and the control circuit can be realized by simple programming of those skilled in the art, which belongs to the common knowledge in the art, only the use is described, without modification, so the control mode and the circuit connection are not described in detail.

[0059] Reference Figure 12 and Figure 13Further, the magazine collecting mechanism 10 comprises a hollow plate 1001 fixed on the top of the body 1, the top outer surface of the hollow plate 1001 is fixedly connected with a side plate 1019 towards the front side, the rear side of the side plate 1019 is fixedly connected with a full-box storage plate, one side of the top outer surface of the hollow plate 1001 is fixedly connected with a vertical plate 1002, one side of the side plate 1019 towards the vertical plate 1002 is fixedly connected with a guide seat 1018, the outer surface of the guide seat 1018 is provided with a guide groove for the product to pass through, one side of the vertical plate 1002 towards the center of the hollow plate 1001 is fixedly connected with two supporting blocks, the second lead screw 1003 is rotatably connected between the two supporting blocks, the outer surface of the side of the hollow plate 1001 away from the supporting blocks is fixedly connected with a mounting block, the outer surface of the mounting block is fixedly installed with the fifth motor 1010, the output end of the fifth motor 1010 and the outer surface of the second lead screw 1003 are both fixedly sleeved with a third synchronous pulley 1011, the outer surfaces of the two third synchronous pulleys 1011 are provided with a third synchronous toothed belt 1012 engaged therearound, the outer surface of the second lead screw 1003 is threadedly connected with a threaded block, the outer surface of the threaded block is fixedly connected with a sliding plate 1004, the outer surface of the sliding plate 1004 is fixedly installed with the first air cylinder 1005, the output end of the first air cylinder 1005 is fixedly connected with a fixed plate 1006, the top outer surface of the fixed plate 1006 is vertically fixedly connected with a top plate, one side of the top plate towards the center of the hollow plate 1001 is fixedly installed with a second air cylinder 1007, the output end of the second air cylinder 1007 is fixedly connected with a pressing plate 1008, one side of the fixed plate 1006 towards the center of the hollow plate 1001 is fixedly connected with a bottom plate, and the collecting magazine 1009 is clamped and pressed between the pressing plate 1008 and the bottom plate.

[0060] The inner surface of the hollow plate 1001 is rotatably connected with two fourth synchronous pulleys 1013 through supporting shafts, the outer surfaces of the two fourth synchronous pulleys 1013 are provided with a fourth synchronous toothed belt 1014 engaged therearound, the bottom outer surface of the hollow plate 1001 is fixedly installed with a sixth motor 1017, the surface of the body 1 is provided with a mounting groove for the sixth motor 1017 to be installed, the output end of the sixth motor 1017 is fixedly connected with one of the supporting shafts supporting the fourth synchronous pulley 1013, the top outer surface of the fourth synchronous toothed belt 1014 is fixedly connected with a moving plate 1015, and the top outer surface of the moving plate 1015 is fixedly connected with two stop rods 1016.

[0061] The collecting magazine 1009 is a hollow long plate, and the inner wall of the hollow long plate is provided with an empty groove for the product to lap.

[0062] The surface of the vertical plate 1002 is provided with a strip-shaped groove for the first air cylinder 1005 to pass through, specifically, when the sliding plate 1004 moves up and down to drive the first air cylinder 1005 to move up and down, the first air cylinder 1005 moves up and down in the strip-shaped groove.

[0063] In the specific implementation process, the single finished product is pushed to the feeding end by the push rod 808, that is, the guide seat 1018, enters the receiving magazine 1009 through the guide groove in the guide seat 1018, when one receiving magazine 1009 is filled with products, the fifth motor 1010 is enabled to drive the third synchronous pulley 1011 to rotate, another third synchronous pulley 1011 is driven to rotate under the left and right of the third synchronous belt 1012, so that the second screw rod 1003 is rotated, the second screw rod 1003 drives the second threaded block to move, the sliding plate 1004 is moved, the sliding plate 1004 drives the fixed plate 1006 to move the receiving magazine 1009 after adsorption upwards, so that the empty slot in the receiving magazine 1009 is in contact with the guide groove, so that the product fills the receiving magazine 1009, when the receiving magazine 1009 is filled with products, the fifth motor 1010 is enabled to lift the fixed plate 1006 upwards, and the first air cylinder 1005 is enabled to drive the fixed plate 1006 to move the receiving magazine 1009 after completing the loading to the full box storage plate, and then the empty receiving magazine 1009 is placed on the blocking rod 1016 close to the side of the vertical plate 1002 on the hollow plate 1001, the sixth motor 1017 is enabled to drive the fourth synchronous pulley 1013 to rotate, and another fourth synchronous pulley 1013 is supported, so that the fourth synchronous belt 1014 is driven to move under the action of the blocking rod 1016, the empty receiving magazine 1009 is pushed by the blocking rod 1016, and then the sliding plate 1004 is moved downwards, so that the bottom plate is located below the empty receiving magazine 1009, the second air cylinder 1007 is enabled to drive the pressing plate 1008 to press the receiving magazine 1009 on the bottom plate, and then the sliding plate 1004 is moved, so that the empty slot of the receiving magazine 1009 is in contact with the guide groove, and the repeated receiving work is carried out.

[0064] Working principle: when the graphite boat and the product in the oven are transported to the docking table mechanism 2, the graphite boat and the product are transported to the two chains 206, the corresponding sprocket 204 is driven to rotate by the first motor 205, the sprocket 204 is engaged with the chain 206, the chain 206 is transported, so that the graphite boat and the product are transported, the graphite boat carrier and the product are transported to one side of the chain 206, and then the docking table pushing mechanism 3 works.

[0065] The working principle of the docking station pushing mechanism 3 is as follows: the second motor 304 works, the second motor 304 drives the corresponding first synchronous pulley 303 to rotate, supports and drives the first synchronous toothed belt 305 through a plurality of first synchronous pulleys 303, and drives the sliding plate 306 to move when the first synchronous toothed belt 305 is driven. The pushing rod 308 is moved by the sliding plate 306, and when the pushing rod 308 contacts the graphite boat and the product, the graphite boat and the product are pushed away along with the movement of the pushing rod 308, and the graphite boat and the product are pushed to the separation mechanism 4. After being baked in the oven, the frame is clamped in the carrier, so the graphite boat carrier and the product frame need to be separated by the separation mechanism 4;

[0066] The working principle of the separation mechanism 4 is as follows: the graphite boat carrier and the product frame are pushed to the door-shaped plate 403, the lifting cylinder 404 works, the lifting cylinder 404 drives the supporting plate 405 to move upwards, the product frame and the graphite carrier are separated by the supporting plate 405, and then the product frame and the graphite carrier are further separated by the frame clamping mechanism 6 and the graphite boat suction mechanism 7.

[0067] The working principle of the frame clamping mechanism 6 is as follows: first, the straight line slide rail on the supporting slide table 5 works, the straight line slide rail drives the frame clamping mechanism 6 to move, the first Z-direction motor 602 drives the clamping cylinder 606 to move downwards, the two clamping jaws of the clamping cylinder 606 correspond to the through hole of the product, the product is clamped through the through hole by the clamping cylinder 606, and then the first Z-direction motor 602 is reversed to work, the clamped product frame is moved upwards, and the separated graphite boat carrier is left on the door-shaped plate 403, and then the graphite boat suction mechanism 7 works.

[0068] The working principle of the graphite boat suction mechanism 7 is as follows:

[0069] The straight line slide rail on the supporting slide table 5 works, the straight line slide rail drives the second driving plate 701 to move, so that the vacuum chuck 703 moves to the position corresponding to the graphite boat carrier, the second slide cylinder 702 works, the second slide cylinder 702 drives the vacuum chuck 703 to move downwards, so that the vacuum chuck 703 adsorbs the graphite boat carrier, and then the straight line slide rail is reversed to move, so that the adsorbed graphite boat carrier is moved to the material collecting rack for material collection.

[0070] The product frame separated by the frame clamping mechanism 6 is placed on the frame switching mechanism 9, and the working principle of the frame switching mechanism 9 is as follows:

[0071] The product frame is placed on the placement plate 904, and the fourth motor 903 is operated to drive the first lead screw 902 to rotate, the first lead screw 902 drives the first threaded block to move, the first threaded block drives the support plate 402 to move, so that a single product corresponds to the feeding end of the magazine material collecting mechanism 10, and the single product is pushed into the feeding end of the magazine material collecting mechanism 10 through the frame material pushing mechanism 8, and the single product is collected through the magazine material collecting mechanism 10, and as the single product is collected, the fourth motor 903 drives the first lead screw 902 to drive the first threaded block to move, so that the single product corresponds to the feeding end of the magazine material collecting mechanism 10 one by one;

[0072] The working principle of the frame material pushing mechanism 8 is as follows:

[0073] When the frame material pushing mechanism 8 works, the push rod 808 is driven by the third sliding table air cylinder 807 to correspond to the through hole of the finished product, and the third motor 803 is operated to drive a second synchronous pulley 804 to rotate, and under the support of a plurality of second synchronous pulleys 804, the second synchronous toothed belt 805 is driven to move, the push rod 808 is driven by the push plate 806 to move, so that the single finished product is pushed, the single finished product is moved, and the single finished product is moved to the feeding end of the magazine material collecting mechanism 10;

[0074] The working principle of the magazine material collecting mechanism 10 is as follows:

[0075] The single finished product is pushed by the push rod 808 to the feeding end, i.e. the guide seat 1018, enters the receiving magazine 1009 through the guide groove in the guide seat 1018, when one receiving magazine 1009 is full of products, the fifth motor 1010 is enabled to drive the third synchronous pulley 1011 to rotate, another third synchronous pulley 1011 is driven to rotate under the left and right of the third synchronous belt 1012, so that the second screw rod 1003 is rotated, the second screw rod 1003 drives the second screw block to move, the sliding plate 1004 is moved, the sliding plate 1004 drives the fixed plate 1006 to move the receiving magazine 1009 after adsorption upwards, so that the empty slot in the receiving magazine 1009 is in contact with the guide groove, so that the product fills the receiving magazine 1009, when the receiving magazine 1009 is full of products, the fifth motor 1010 is enabled to lift the fixed plate 1006 upwards, and the first air cylinder 1005 is enabled to drive the fixed plate 1006 to move the receiving magazine 1009 which has completed the loading to the full box storage plate, and then the empty receiving magazine 1009 is placed on the blocking rod 1016 close to the side of the vertical plate 1002 on the hollow plate 1001, the sixth motor 1017 is enabled to drive the fourth synchronous pulley 1013 to rotate, and another fourth synchronous pulley 1013 is supported, so that the fourth synchronous belt 1014 is driven to move the blocking rod 1016 under the action of the fourth synchronous belt 1014, the empty receiving magazine 1009 is pushed by the blocking rod 1016, and then the sliding plate 1004 is moved downwards, so that the bottom plate is below the empty receiving magazine 1009, the second air cylinder 1007 is enabled to drive the pressing plate 1008 to press the receiving magazine 1009 on the bottom plate, and then the sliding plate 1004 is moved, so that the empty slot of the receiving magazine 1009 is in contact with the guide groove, and the repeated receiving work is performed.

[0076] The above completes the receiving work of the product, and the above steps are repeated to perform continuous receiving work.

[0077] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic oven material receiving machine, comprising a machine body (1), characterized in that: The front side of the machine body (1) is provided with a docking platform mechanism (2) for receiving the graphite boat carrier and the product frame. The top outer surface of the machine body (1) is provided with a docking platform pushing mechanism (3) for pushing the graphite boat carrier and the product frame. The top outer surface of the machine body (1) is provided with a separation mechanism (4) for assisting in separating the graphite boat carrier and the product frame, located at the rear side of the docking platform pushing mechanism. The top outer surface of the machine body (1) is fixedly connected to a support slide ( ) at the rear side of the separation mechanism (4). 5) Two linear slide rails are installed on the support slide (5). The output ends of the two linear slide rails are respectively provided with a frame clamping mechanism (6) and a graphite boat suction mechanism (7). The top outer surface of the machine body (1) is provided with a frame switching mechanism (9) on the left side of the separation mechanism (4). The top outer surface of the machine body (1) is provided with a frame pushing mechanism (8) on the left side of the frame switching mechanism (9). The top outer surface of the machine body (1) is provided with a magazine receiving mechanism (10) on the rear side of the frame switching mechanism (9).

2. The automatic oven receiving machine according to claim 1, characterized in that: The connecting platform mechanism (2) includes a support platform (201) located on the front side of the body (1). A U-shaped plate (202) is fixedly connected to the top outer surface of the support platform (201). An adjustment plate (203) is provided on one of the opposite sides of the left and right sides of the U-shaped plate (202). Multiple sprockets (204) are rotatably connected to the opposite outer surfaces of the two adjustment plates (203) through a support shaft. A chain (206) is meshed between the multiple sprockets (204). A first motor (205) is fixedly installed on the outer surfaces of the two adjustment plates (203). The output ends of the two first motors (205) are respectively connected to the support shaft supporting two of the sprockets (204). The left and right outer surfaces of the U-shaped plate (202) are rotatably connected to the positive and negative lead screws (207), the outer surface of the positive and negative lead screws (207) is fixedly connected to the crank handle (208), the outer surface of the adjusting plate (203) is fixedly connected to the threaded sleeve (209), and the threaded sleeve (209) is threadedly connected to the outer surface of the positive and negative lead screws (207).

3. The automatic oven receiving machine according to claim 1, characterized in that: The feeding mechanism (3) of the connecting platform includes two support feet (301) fixed on the top of the machine body (1). A horizontal plate (302) is fixedly connected to the top outer surface of the two support feet (301). An extension plate is fixedly installed on the outer surface of the horizontal plate (302). A second motor (304) is fixedly installed on the outer surface of the extension plate. Multiple first synchronous pulleys (303) are rotatably connected to the outer surfaces of the horizontal plate (302) and the extension plate through a support shaft. A first synchronous toothed belt (305) is wound and meshed between the multiple first synchronous pulleys (303). The output end of the second motor (304) is fixedly connected to the support shaft of one of the first synchronous pulleys (303). A slide plate (306) is fixedly connected to the outer surface of the first synchronous toothed belt (305). A first slide cylinder (307) is fixedly installed on the top outer surface of the slide plate (306). An L-shaped feeding rod (308) is fixedly connected to the output end of the first slide cylinder (307).

4. The automatic oven receiving machine according to claim 1, characterized in that: The separation mechanism (4) includes two fixed feet (401) fixed to the top of the body (1). A support plate (402) is fixedly connected to the top outer surface of the two fixed feet (401). A gate-shaped plate (403) is fixedly connected to the top outer surface of the support plate (402). A receiving groove is formed between the gate-shaped plate (403) and the support plate (402). A lifting cylinder (404) is fixedly installed on the bottom outer surface of the support plate (402). The output end of the lifting cylinder (404) passes through the support plate (402) and is fixedly installed with a support plate (405). A plurality of ejector pins (406) are fixedly connected on the support plate (405). A plurality of through slots adapted to the ejector pins (406) are opened on the outer surface of the gate-shaped plate (403).

5. An automatic oven receiving machine according to claim 1, characterized in that: The frame clamping mechanism (6) includes a first drive plate (601) connected to one of the output ends of the linear slide rails. A first Z-axis motor (602) is fixedly installed on the outer surface of the first drive plate (601). A connecting plate (603) is installed at the output end of the first Z-axis motor (602). A gate-shaped air distribution block (604) is provided at the bottom of the connecting plate (603). An X-axis bidirectional slide cylinder is installed on the opposite outer surfaces of the left and right sides of the air distribution block (604). A Y-axis slide cylinder (605) is installed at each of the two output ends of the X-axis bidirectional slide cylinder. A gripper cylinder (606) for clamping the product frame is installed at the output end of the Y-axis slide cylinder (605). The air distribution block (604) is connected to the X-axis bidirectional slide cylinder, the Y-axis slide cylinder (605), and the gripper cylinder (606) respectively through connecting air pipes. A clamping rod (607) is fixedly connected to the outer surface of the Y-axis slide cylinder (605).

6. An automatic oven receiving machine according to claim 1, characterized in that: The graphite boat suction mechanism (7) includes a second drive plate (701) installed at the output end of one of the linear slide rails. A second slide cylinder (702) is fixedly installed on the outer surface of the second drive plate (701). A vacuum suction cup (703) is installed at the output end of the second slide cylinder (702). A receiving rack for preventing the graphite boat carrier from being transported is provided on the top outer surface of the machine body (1) located on the right side of the separation mechanism (4).

7. An automatic oven receiving machine according to claim 1, characterized in that: The frame switching mechanism (9) includes a support frame (901) fixed above the body (1). Two fixing blocks are fixedly connected to the top outer surface of the support frame (901). A first lead screw (902) is rotatably connected between the two fixing blocks. A fourth motor (903) is fixedly installed on the outer surface of one of the fixing blocks. The output end of the fourth motor (903) is fixedly connected to the first lead screw (902). A first threaded block is threadedly connected to the outer surface of the first lead screw (902). A placement plate (904) for placing the product frame is fixedly connected to the top outer surface of the first threaded block.

8. An automatic oven receiving machine according to claim 1, characterized in that: The frame pushing mechanism (8) includes two support columns (801) fixed to the top of the machine body (1). The top outer surfaces of the two support columns (801) are fixedly connected to a plate (802). The outer surface of the plate (802) is fixedly connected to a long plate. The outer surface of the long plate is fixedly mounted with a third motor (803). The outer surfaces of the plate (802) and the long plate are rotatably connected to multiple second synchronous pulleys (804) through a support shaft. The output end of the third motor (803) is fixedly connected to the support shaft supporting one of the second synchronous pulleys (804). The outer surfaces of the multiple second synchronous pulleys (804) are all wrapped with a second synchronous toothed belt (805). The outer surface of the second synchronous toothed belt (805) is fixedly connected to a push plate (806). The push plate (806) is vertically fixedly mounted with a third slide cylinder (807). The output end of the third slide cylinder (807) is fixedly connected to a detection plate. A push rod (808) is provided below the detection plate.

9. An automatic oven receiving machine according to claim 1, characterized in that: The magazine receiving mechanism (10) includes a hollow plate (1001) fixed to the top of the body (1) and a receiving magazine (1009). A side plate (1019) is fixedly connected to the front side of the top outer surface of the hollow plate (1001), and a full-box storage plate is fixedly connected to the rear side of the side plate (1019). A vertical plate (1002) is fixedly connected to one side of the top outer surface of the hollow plate (1001), and a guide seat is fixedly connected to the side plate (1019) facing the vertical plate (1002). 1018), the outer surface of the guide seat (1018) is provided with a guide groove for the product to pass through, two support blocks are fixedly connected to the side of the vertical plate (1002) facing the center of the hollow plate (1001), and a second lead screw (1003) is rotatably connected between the two support blocks, and an mounting block is fixedly connected to the outer surface of the side of the hollow plate (1001) away from the support blocks, and a fifth motor (1010) is fixedly mounted on the outer surface of the mounting block, the output end of the fifth motor (1010) and the first The outer surfaces of the two lead screws (1003) are each fixedly fitted with a third synchronous pulley (1011). A third synchronous toothed belt (1012) is wound around the outer surfaces of the two third synchronous pulleys (1011). A threaded block is threadedly connected to the outer surface of the second lead screw (1003). A sliding plate (1004) is fixedly connected to the outer surface of the threaded block. A first cylinder (1005) is fixedly mounted on the outer surface of the sliding plate (1004). The output end of the first cylinder (1005) is fixedly connected to... A fixed plate (1006) is provided, and a top plate is vertically fixedly connected to the top outer surface of the fixed plate (1006). A second cylinder (1007) is fixedly installed on the side of the top plate facing the center of the hollow plate (1001). A pressing plate (1008) is fixedly connected to the output end of the second cylinder (1007). A bottom plate is fixedly connected to the side of the fixed plate (1006) facing the center of the hollow plate (1001). The receiving cartridge (1009) is clamped and pressed between the pressing plate (1008) and the bottom plate. The inner surface of the hollow plate (1001) is rotatably connected to two fourth synchronous pulleys (1013) via a support shaft. The outer surfaces of the two fourth synchronous pulleys (1013) are wound with a fourth synchronous toothed belt (1014). A sixth motor (1017) is fixedly installed on the bottom outer surface of the hollow plate (1001). The surface of the machine body (1) is provided with a mounting groove for the sixth motor (1017). The output end of the sixth motor (1017) is fixedly connected to one of the support shafts supporting the fourth synchronous pulleys (1013). A movable plate (1015) is fixedly connected to the top outer surface of the fourth synchronous toothed belt (1014). Two stop bars (1016) are fixedly connected to the top outer surface of the movable plate (1015).

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