CN218876245U - Multi-machine linkage mould pressing automatic line - Google Patents

Abstract

The utility model relates to a compression molding technical field just discloses a multimachine linkage mould pressing transfer machine, including loading attachment, automatic handling device, automatic heating furnace, total accuse rack, automatic opening, compound die cleaning device, hot press, standardized mould, guardrail, loading attachment is including the loading platform, lead screw one, motor, slide rail, loading attachment one end fixed mounting has the motor, motor output and lead screw one end fixed connection, loading attachment one side fixed mounting has the slide rail, can accomplish 6 thermosetting plastics part mould pressing process overall process simultaneously, in addition, realizes that mould automation transport, automatic split and compound die, hydraulic press mould pressing process automatic control can realize producing by 5 hydraulic equipment of a workman simultaneous control, and the production process is continuous, harmonious going on, realizes the production process, except that reinforced, get a piece, clear up the mould link and replace manual operation completely, reduces the influence of human factor to automated production.

Description

Multi-machine linkage mould pressing automatic line

Technical Field

The utility model relates to a compression molding technical field specifically is a multimachine linkage mould pressing transfer machine.

Background

Compression moulding is an important way of producing composite materials. For various small-batch composite product pieces, the dies need to be frequently replaced in the press, so that the labor intensity is large; in addition, the traditional mould opening and closing cleaning needs manual operation, and the labor intensity is large; one person of the original post stands beside a press to clean, load and unload the die, heating and pressure maintaining are needed during molding, the temperature of equipment accessories is high, and the working environment of workers is severe; the original post is opened and closed through a press, so that the effective utilization rate of the press is low; in order to solve the problem, the utility model discloses a multimachine linkage mould pressing transfer machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimachine linkage mould pressing transfer machine has solved the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multimachine linkage mould pressing transfer machine, includes loading attachment, automatic handling device, automatic heating furnace, total accuse rack, automatic division, compound die cleaning device, hot press, standardized mould, guardrail, loading attachment is including the material loading platform, lead screw one, and the motor, the slide rail, slider one, mould detection device, photoelectric detection device, the locating pin, loading attachment one end fixed mounting has the motor, motor output end and lead screw one end fixed connection, loading attachment one side fixed mounting has the slide rail, slide rail outer wall sliding connection has slider one, the material loading bench top is provided with the locating pin, a lead screw outer wall slides and is provided with photoelectric detection device, the material loading bench bottom is provided with mould detection device.

Preferably, the automatic handling device is including customization end effector, servo motor one, lead screw, clamping jaw, slider two, guide rail, locating pin two, six manipulators, ground rail, six manipulator tops are provided with customization end effector, customization end effector one end is provided with servo motor one, servo motor output end fixed mounting has lead screw two, two outer wall threaded connection of lead screw have slider two, two both sides of slider are provided with the clamping jaw, customization end effector top is provided with locating pin two, customization end effector bottom is provided with the ground rail, two top sliding connection of slider have guide rail one.

Preferably, the automatic heating furnace is including automatic opening and closing door, speed reducer cover, heating device, automatic heating furnace display, the automatic opening and closing door is openly installed to the automatic heating furnace, the automatic heating furnace openly is provided with the speed reducer cover, the automatic heating furnace openly is provided with heating device.

Preferably, the automatic opening and closing mold cleaning device comprises a third screw rod, a chain, a third upper jaw mechanism, a cylindrical guide rail, a feeding prompt device, a dust suction mechanism, a mold ejector rod, an air blowing mechanism, a lower jaw, an automatic sliding door, a third upper jaw cylinder, a third positioning pin, a mold cache device guide rail, a mold cache device cylinder, a third slider, a jaw cylinder, a mold cache jaw, a jaw positioning pin, a second guide rail, a second servo motor, a mold tray positioning pin, a mold sliding table, a mold cache station, a mold cache mechanism arranged on the back of the automatic opening and closing mold cleaning device, the mold cache mechanism in butt joint with an automatic carrying device and a mold sliding table, the automatic opening and closing mold cleaning device is internally and fixedly provided with a second servo motor, the second output end of the servo motor is fixedly provided with a third screw rod, the third screw rod is provided with the upper jaw mechanism, the cylindrical guide rail is arranged on one side of the upper jaw mechanism, the automatic opening and closing mold cleaning device is internally provided with the mold ejector rod, the top of the mold ejector rod is provided with the air blowing mechanism, the top of the air blowing mechanism is provided with the lower jaw, the automatic opening and closing mold cache device is provided with the automatic opening and closing mold cache cylinder, the mold cache mechanism, the upper jaw mechanism is provided with the upper jaw mechanism, the mold cache cylinder, the mold cache device guide rail is provided with the automatic opening and the bottom of the mold cache device, the mold cache device is provided with the mold cache cylinder, the mold cache device, the mold is provided with the automatic opening and the mold is provided with the bottom of the automatic opening and the mold cache device, automatic open, compound die cleaning device top fixed mounting has material loading suggestion device, automatic open, compound die cleaning device openly is provided with dust absorption mechanism, jack catch one end joint has the mould slip table down, mould slip table top is provided with mould tray locating pin.

Preferably, the hot press comprises a die temperature controller, a heating plate, an electrical cabinet, a cantilever box, a heating plate, a hydraulic workstation and an escalator, the die temperature controller and the electrical cabinet are arranged on the front surface of the hot press, the cantilever box is arranged on one side of the hot press, the hydraulic workstation is arranged at the top of the hot press, and the heating plate are symmetrically distributed inside the die temperature controller from top to bottom.

Preferably, the standardized mold comprises an upper mold plate, a mold opening machine cache region grabbing butt joint hole, a manipulator grabbing butt joint hole, a mold opening machine clamping jaw butt joint, a lower mold plate, a product code, a first positioning hole, a positioning ejector rod, an ejection mechanism, a second positioning hole, an ejector pin fixing plate, a part ejector rod and a mold cavity fixing plate, the mold opening machine cache region grabbing butt joint hole, the manipulator grabbing butt joint hole and the product code are formed in the surface of the standardized mold, the first positioning hole is formed in the top of the upper mold plate, and the mold cavity fixing plate is arranged on the front face of the standardized mold.

Preferably, the top of the lower template is provided with a positioning ejector rod, the bottom of the lower template is provided with an ejection mechanism, the top of the ejection mechanism is provided with a thimble fixing plate, the bottom of the lower template is provided with a first positioning hole, and the top of the ejection mechanism is provided with a part ejector rod.

The utility model provides a multimachine linkage mould pressing transfer machine. The multi-machine linkage mould pressing automatic line has the following beneficial effects:

(1) The utility model discloses in: the multi-machine linkage mould pressing automatic line can simultaneously complete the whole process of mould pressing procedures of 6 thermosetting plastic parts, in addition, realizes the automatic carrying, the automatic splitting and mould closing of a mould and the automatic control of the mould pressing process of a hydraulic press, can realize that 5 hydraulic devices are simultaneously controlled by one worker to carry out production, has continuous and coordinated production process, realizes the automation of the production process, completely replaces manual operation except the links of feeding, taking and cleaning the mould, and reduces the influence of human factors on automatic production;

(2) The utility model discloses in: the multi-machine linkage mould pressing automatic line can automatically identify the mould information and realize the automatic production of mould pressing through the communication among all mechanisms; in addition, the number of the pressing machines in the working island and the number of the circulating dies can be randomly combined according to needs, the flexibility degree is high, the labor intensity of workers can be greatly reduced after the working island and the circulating dies are put into use, the workshop production environment can be improved, and the production efficiency of the whole workshop can be increased.

Drawings

FIG. 1 is a schematic view of the front view structure of the automatic heating furnace of the present invention;

FIG. 2 is a schematic structural view of the automatic heating furnace of the present invention;

FIG. 3 is a schematic view of the customized end effector of the present invention;

fig. 4 is a schematic structural view of the feeding device of the present invention;

fig. 5 is a schematic view of a partial structure of the feeding device of the present invention;

fig. 6 is a schematic view of a partial structure of the automatic conveying mechanism of the present invention;

FIG. 7 is a schematic structural view of the production apparatus of the present invention;

FIG. 8 is a schematic top view of the production apparatus of the present invention;

FIG. 9 is a schematic front view of the automatic mold opening and closing cleaning apparatus of the present invention;

FIG. 10 is a schematic view of the rear view of the automatic mold opening and closing cleaning device of the present invention;

FIG. 11 is a schematic view of a partial structure of the automatic mold opening and closing cleaning apparatus of the present invention;

fig. 12 is a schematic structural view of the automatic hot press of the present invention;

FIG. 13 is a schematic diagram of the standardized model of the present invention;

fig. 14 is a schematic diagram of the structure of the standardized mold ejection of the present invention.

In the figure: 100, a feeding device; 101, a feeding table; 102 a first lead screw; 103 motor; 104 slide rails; 105 a first sliding block; 106 a mold detection device; 107 photo-detection means; 108, positioning a first pin; 200 automatic handling device; 210 customizing the end effector; 211 a servo motor I; 212 a lead screw II; 213 gripping jaws; 214, a second sliding block; 215 guide rail one; 216 positioning pin II; 220 six-axis manipulator; 230 ground rail; 300 an automatic heating furnace; 301 automatically opening and closing the door; 302 a speed reducer cover; 303 a heating device; 310 an automated furnace display; 400 total control; 500 automatic mold opening and closing cleaning device; 501, a third screw; 502, a chain; 503, a claw mechanism; 504 a cylindrical guide rail; 505 a feeding prompting device; 506 a dust suction mechanism; 507, a mold ejector rod; 508 a blowing mechanism; 509 lower jaw; 510 automatic sliding doors; 511 an upper jaw cylinder; 512 positioning pins III; 513 a mold cache device guide rail; 514 a mold buffer device cylinder; 515 sliding block three; 516 jaw cylinder; 517 caching claws of the mold; 518 a jaw locating pin; 519, a second guide rail; 520, a servo motor II; 521 mold pallet locating pins; 522 a die slide; 530 a mold buffer station; 600 hot press; 601, a mold temperature controller; 602 heating the plate down; 603 an electrical cabinet; 604 a cantilever box; 605 on a heating plate; 606 a hydraulic work station; 607 an escalator; 700 standardizing the mold; 701, loading a template; 702 grabbing a butt joint hole in a cache area of the mold opening machine; 703 the manipulator grabs the butt joint hole; 704 the mould opening machine clamping jaw pair is jointed; 705 a lower template; 706 a product code; 707 positioning hole one; 708 positioning the ejector rod; 709 an ejection mechanism; 710 positioning hole two; 711 a thimble fixing plate; 712 part carrier rod; 720 a die cavity fixing plate; 800 guardrail.

Detailed Description

As shown in fig. 1-14, the utility model provides a technical solution: a multi-machine linkage mould pressing automatic line comprises a feeding device 100, an automatic handling device 200, an automatic heating furnace 300, a master control cabinet 400, an automatic opening and closing mould cleaning device 500, a hot press 600, a standardized mould 700 and a guardrail 800, wherein the feeding device 100 drives a screw rod I102 to rotate through the forward and reverse rotation of a motor 103 so as to realize the feeding action of a feeding table 101 and prepare for the grabbing of a subsequent manipulator, a positioning pin I108 is arranged at the upper part of the feeding table, a mould detection device 106 is arranged at the bottom of the feeding table so as to realize the positioning and the detection of the mould, a slide block guide rail mechanism is also arranged on the movement of the feeding table, a double slide rail 104 and a four slide block 105 are adopted for supporting and are simultaneously matched with a photoelectric detection device 107 of the screw rod I102, thereby the movement precision of the feeding table is greatly improved, the automatic handling device 200 is matched with a customized end effector 210 on a six-axis manipulator 220, the customized end pick-up 210 is provided with a servo motor I211, clamping jaws 213 at two sides of a sliding block II 214 are driven to move on the sliding block II 214 through rotation of a screw rod II 212, automatic opening and closing are realized, further automatic grabbing of a mold can be realized, in addition, a positioning pin II 216 is designed on the end pick-up, a manipulator can better clamp and take the mold and prevent the mold from falling off in the working process, efficient and accurate transportation of the mold under the layout of a workshop is realized through a ground rail 230 matched with the six-axis manipulator 210, the automatic heating furnace 300 adopts a two-layer and 6-station structure in total according to the actual operation use requirement and the convenience of operation, each station can be used for placing one set of mold, and in order to facilitate manual placement, accurate positioning can be realized, in addition, a control system of the automatic heating furnace 300 can be butted with a master control PLC, an Ethernet interface can be provided with equipment linkage in a production line, and quick production change can be realized, the heating device 303 is an electric heating device, and is provided with electric heating wires, the hot air circulation is realized by a circulating fan, so that the whole temperature in the whole heating furnace is more uniform, in order to facilitate the taking and placing of the mold, a mold placing opening and a mold discharging opening are respectively designed at two sides of the heating furnace, automatic doors are arranged at two sides, the driving is realized by electricity, the mold placing opening door can be opened by manually pressing the door to realize button opening, the material taking opening door can be linked with a master control, when the machine needs to take the material, the machine can be automatically opened and closed after the material is taken, the machine can be manually opened and closed in a manual mode, a mold caching mechanism is designed at the rear side of the automatic opening and closing cleaning device 500, the machine can be butted with the automatic carrying device 200 and also can be butted with the mold sliding table 522, so that the mold can be grabbed from the automatic carrying mechanism, after the mold leaves, the mold is conveyed to the mold sliding table 522, if the mold is arranged on the sliding table, after the mold is grabbed by the automatic carrying device 200, the mold is placed on the mold sliding table 522, a further conveying mechanism drives the mold sliding table 522 to convey the mold to a mold opening area, an internal structure fixes the upper mold plate and the lower mold plate through the upper clamping jaw mechanism 503 and the lower clamping jaw mechanism 503, a screw rod three 501 is driven by a servo motor two 520 to pull the upper mold plate to ascend, so that automatic layering is realized, a mold ejector rod 507 is designed below a mold opening station and can push a top plate inside the mold to ascend, so that a part is ejected out of a mold forming cavity, then the mold is manually cleaned and taken, a blowing mechanism 508 and a dust suction mechanism 506 are further matched with the station equipment, after the manual taking of the part is finished, dust in the area can be blown and collected through the mechanism, in addition, a material loading prompting device 505 matched with the device is used for finishing the cleaning of the mold, the automatic hot press is also provided by a user for meeting different processing requirements, the standardized die 700 adopts the combination of an upper template 701, a die cavity fixing plate 720 and a lower template, the like, through reasonable design of a product cavity, a part which is completed after die opening can be controlled to stay on the lower die, an ejection mechanism 709 is designed below the die cavity and can be matched with a die opening machine, automatic ejection of the product is realized, a positioning hole two 710 is designed below the die, the automatic die is conveniently positioned on an upper die device during production of an auxiliary die, in addition, the automatic die can be transmitted to a die production system through a die identification code recognition system, and the identification code recognition system is used for transmitting a product number to an upper die cavity and a die production system for automatic production according to the identification code of the upper die and the corresponding die cavity.

When the multi-machine linkage die pressing automatic line is used, an upper die is prepared, a needed die 700 is manually placed on a feeding table after being identified by a system, the feeding device 100 finishes feeding action and prepares for subsequent grabbing by a mechanical arm, the automatic carrying device 200 carries the die into a die station of an automatic heating furnace 300, then a main control 400 controls the heating furnace door to be closed, the automatic heating furnace 300 heats the die needed by the main control 400, a heating completion signal is sent to the main control 400 after heating is completed, the automatic carrying device 200 controls the automatic heating furnace door to be opened, the die is grabbed by the automatic carrying device 200 and then sent to a die cache position in the automatic opening and closing cleaning device 500, the die cache mechanism grabs the die, after grabbing is completed, the carrying mechanism again grabs another set of heated die from the die cache heating device and sends the die to a die cache position of the automatic opening and closing cleaning device, and after the carrying mechanism leaves, the die is placed on a sliding table. The sliding table conveys the die to a die opening station of the automatic die opening and closing cleaning device 500, the die clamping device clamps the upper die plate and the lower die plate of the die, and a lifting device in the automatic die opening and closing cleaning device 500 pulls up the upper die plate through a cylinder, so that the die is automatically opened; manually adding raw materials into a to-be-loaded mould, after the loading is finished, conveying the mould to a mould grabbing station of an automatic mould opening and closing cleaning device by a sliding table, grabbing the mould by an automatic carrying device 200, conveying the mould into a hot press, sending mould process parameters (mould pressing pressure and pressure maintaining time) to a hot press 600 by the hot press, carrying out mould pressing and forming on the mould by the hot press according to the process parameters, carrying out mould opening and loading on the mould by the automatic mould opening and closing cleaning device at the same time, carrying out automatic loading circulation until all moulds are placed in the hot press 600 needing to work, finishing the upper mould circulation, starting the mould pressing automatic production circulation, sequentially conveying the mould which is subjected to mould pressing to a mould opening machine cache station by the automatic carrying device 200, grabbing the mould by a mould opening machine cache mechanism, and grabbing the mould by the automatic carrying device 200, conveying the mold to an automatic hot press from which the mold is just taken, then removing the next mold-pressed mold grabbed by the automatic hot press, conveying the mold to a caching station, carrying out automatic mold pressing by the hot press according to technological parameters, synchronously putting the mold-pressed mold onto a conveying mechanism by a mold-opening caching mechanism, conveying the mold to a mold-opening station by the conveying mechanism, clamping the upper and lower mold plates by a clamping mechanism, opening the mold by a lifting device, arranging an ejection device below the mold-opening station, pushing a mold ejector plate by the ejection device, ejecting a product, manually taking the product away, cleaning the mold by a high-pressure air gun, brushing a stripper, adding raw materials according to a loading indicator lamp, pre-closing the mold by the mold-opener, loosening a clamping jaw, conveying the clamping jaw to the grabbing station, conveying the mold to the press from which the mold is just taken by the automatic conveying device 200, the mold opening machine then carries out mold opening, ejection, piece taking, cleaning, mold release agent brushing, material loading and pre-mold closing on the set of molds which are just cached, automatic production circulation is carried out, a receiving instruction is executed on the touch screen, a receiving program is executed on a production line, the mold which is subjected to mold pressing is taken out of the hot press by the carrying mechanism in sequence, after the cleaning is finished in the mold opening machine, the material loading is not carried out, the carrying mechanism is directly conveyed into the storage heating mechanism until all the cleaned molds in the production line are placed into the storage heating mechanism, and the receiving program is finished.

Claims (7)

1. The utility model provides a multimachine linkage mould pressing transfer machine, includes loading attachment (100), automatic handling device (200), automatic heating furnace (300), total cabinet (400), automatic opening, compound die cleaning device (500), hot press (600), standardized mould (700), guardrail (800), its characterized in that: the feeding device (100) comprises a feeding table (101), a first lead screw (102), a motor (103), a sliding rail (104), a first sliding block (105), a die detection device (106), a photoelectric detection device (107) and a positioning pin (108), wherein the motor (103) is fixedly mounted at one end of the feeding device (100), the output end of the motor (103) is fixedly connected with one end of the first lead screw (102), the sliding rail (104) is fixedly mounted at one side of the feeding device (100), the first sliding block (105) is slidably connected to the outer wall of the sliding rail (104), the positioning pin (108) is arranged at the top of the feeding table (101), the photoelectric detection device (107) is slidably arranged on the outer wall of the first lead screw (102), and the die detection device (106) is arranged at the bottom of the feeding table (101).

2. The multi-machine linkage automatic molding line according to claim 1, wherein: automatic handling device (200) is including customization end effector (210), servo motor one (211), lead screw two (212), clamping jaw (213), slider two (214), guide rail one (215), locating pin two (216), six-shaft mechanical hand (220), ground rail (230), six-shaft mechanical hand (220) top is provided with customization end effector (210), customization end effector (210) one end is provided with servo motor one (211), servo motor one (211) output end fixed mounting has lead screw two (212), lead screw two (212) outer wall threaded connection has slider two (214), slider two (214) both sides are provided with clamping jaw (213), customization end effector (210) top is provided with locating pin two (216), customization end effector (210) bottom is provided with ground rail (230), slider two (214) top sliding connection has guide rail one (215).

3. The multi-machine linkage automatic molding line according to claim 1, wherein: automatic heating furnace (300) are including automatic opening and closing door (301), speed reducer cover (302), heating device (303), automatic heating furnace display (310), automatic heating furnace (300) are openly installed and are closed automatic opening and closing door (301), automatic heating furnace (300) openly are provided with speed reducer cover (302), automatic heating furnace (300) openly are provided with heating device (303).

4. The multi-machine linkage automatic molding line according to claim 1, wherein: the automatic opening and closing die cleaning device (500) comprises a screw rod III (501), a chain (502), an upper jaw mechanism (503), a cylindrical guide rail (504), a feeding prompt device (505), a dust suction mechanism (506), a die ejector rod (507), a blowing mechanism (508), a lower jaw (509), an automatic sliding door (510), an upper jaw cylinder (511), a positioning pin III (512), a die caching device guide rail (513), a die caching device cylinder (514), a slider III (515), a jaw cylinder (516), a die caching jaw (517), a jaw positioning pin (518), a guide rail II (519), a servo motor II (520), a die tray positioning pin (521), a die sliding table (522) and a die caching station (530), a die caching mechanism is arranged on the back of the automatic opening and closing die cleaning device (500), the die caching mechanism is butted with the automatic conveying device (200) and the die sliding table (522), a servo motor II (520) is fixedly arranged inside the automatic opening and closing die cleaning device (500), the screw rod III (501) is fixedly arranged at the output end of the screw rod III), the cylindrical jaw mechanism (503) is arranged on one side of the cylindrical guide rail (504), a mold ejector rod (507) is arranged in the automatic opening and closing mold cleaning device (500), an air blowing mechanism (508) is arranged at the top of the mold ejector rod (507), a lower jaw (509) is arranged at the top of the air blowing mechanism (508), an automatic sliding door (510) is arranged on the front side of the automatic opening and closing mold cleaning device (500), an upper jaw air cylinder (511) is arranged at the bottom of the upper jaw mechanism (503), a positioning pin III (512) is arranged on one side of the upper jaw air cylinder (511), a mold caching device guide rail (513) is arranged in the upper jaw air cylinder (511), a mold caching device guide rail (514) is arranged on one side of the mold caching device guide rail (513), a slide block III (515) is arranged at the bottom of the mold caching device air cylinder (514), a jaw air cylinder (516) is arranged at the bottom of the slide block III (515), a mold caching jaw air cylinder (517) is arranged at the bottom of the slide block III (516), a mold caching jaw (517) is arranged on the surface of the mold caching device guide rail (517), a positioning pin (518) is arranged on the surface of the mold caching device (500), a guide rail II (519) is arranged on the inner wall of the automatic opening and a mold closing mold cleaning device (505), a dust collection clamping mechanism (500) is arranged at the front side of the automatic opening and a lower jaw clamping mechanism (506), and a mould tray positioning pin (521) is arranged at the top of the mould sliding table (522).

5. The multi-machine linkage automatic molding line according to claim 1, wherein: the hot press (600) comprises a die temperature controller (601), a heating plate lower part (602), an electric cabinet (603), a cantilever box (604), a heating plate upper part (605), a hydraulic working station (606) and an escalator (607), wherein the die temperature controller (601) and the electric cabinet (603) are arranged on the front surface of the hot press (600), the cantilever box (604) is arranged on one side of the hot press (600), the hydraulic working station (606) is arranged at the top of the hot press (600), and the heating plate lower part (602) and the heating plate upper part (605) are vertically and symmetrically distributed inside the die temperature controller (601).

6. The multi-machine linkage molding automation line of claim 1, wherein: the standardized die (700) comprises an upper die plate (701), a buffer area of a die sinking machine grabs a butt joint hole (702), a mechanical arm grabs a butt joint hole (703), a jaw pair joint (704) of the die sinking machine, a lower die plate (705), a product code (706), a first positioning hole (707), a positioning ejector rod (708), an ejection mechanism (709), a second positioning hole (710), an ejector pin fixing plate (711), a part ejector rod (712) and a die cavity fixing plate (720), wherein the buffer area of the die sinking machine grabs the butt joint hole (702), the mechanical arm grabs the butt joint hole (703) and the product code (706) are arranged on the surface of the standardized die (700), the first positioning hole (707) is arranged at the top of the upper die plate (701), and the die cavity fixing plate (720) is arranged on the front side of the standardized die (700).

7. The multi-machine linkage molding automation line of claim 6, wherein: the top of the lower template (705) is provided with a positioning ejector rod (708), the bottom of the lower template (705) is provided with an ejection mechanism (709), the top of the ejection mechanism (709) is provided with a thimble fixing plate (711), the bottom of the lower template (705) is provided with a first positioning hole (707), and the top of the ejection mechanism (709) is provided with a part ejector rod (712).

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