CN214517535U

CN214517535U - Lower die and hub separating device for hub casting production

Info

Publication number: CN214517535U
Application number: CN202120523816.8U
Authority: CN
Inventors: 姚彬
Original assignee: Guangdong Oufulai New Material Manufacturing Co ltd
Current assignee: Guangdong Oufulai New Material Manufacturing Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-29
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a lower die and hub separation device for hub casting production; belongs to the technical field of hub production equipment; the lifting mechanism is characterized by comprising a rack, wherein a lifting frame is arranged at the upper part in the rack, and a lifting driving mechanism linked with the lifting frame is vertically arranged at the top of the rack; a plurality of ejector pins which are in one-to-one correspondence with the through holes on the lower die are distributed at the top in the lifting frame, and a rolling wheel set which is matched with the lower die is arranged at the lower part of the lifting frame along the horizontal direction and is positioned between the front and the rear groups of conveying roller frames; a limiting component is arranged on the front side of the rolling wheel set in the conveying direction; a vibration supporting demoulding mechanism opposite to the edge of the lower die is arranged at the bottom of the frame; the utility model aims at providing a simple structure, convenient operation can effectively protect the delivery trolley frame at drawing of patterns in-process, improves drawing of patterns efficiency's lower mould and wheel hub disengaging device for the wheel hub casting production.

Description

Lower die and hub separating device for hub casting production

Technical Field

The utility model relates to a lower mould and wheel hub disengaging gear, more specifically say, especially relate to a lower mould and wheel hub disengaging gear are used in wheel hub casting production.

Background

At present, in the production and casting process of a hub, the hub after casting and molding needs to be separated from a mold. Usually take apart the mould and adopt manual work or machine to break away from lower mould and wheel hub after unpacing apart the back again, at this in-process, built-in lower mould that has wheel hub directly places on the gyro wheel frame, will cause the damage to the gyro wheel on the gyro wheel frame shaking the drawing of patterns in-process to the lower mould, influences the life of device, and the most structure of current drawing of patterns equipment is complicated moreover, and the operation degree of difficulty is big, and the efficiency of drawing of patterns is also lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned prior art not enough, provide a simple structure, convenient operation can effectively protect the gyro wheel frame at drawing of patterns in-process, improves drawing of patterns efficiency's lower mould and wheel hub disengaging device for the wheel hub casting production.

The technical scheme of the utility model is realized like this: a lower die and hub separation device for hub casting production comprises a rack, wherein a lifting frame is arranged at the upper part in the rack, and a lifting driving mechanism linked with the lifting frame is vertically arranged at the top of the rack; a plurality of ejector pins which are in one-to-one correspondence with the through holes on the lower die are distributed at the top in the lifting frame, and a rolling wheel set which is matched with the lower die is arranged at the lower part of the lifting frame along the horizontal direction and is positioned between the front and the rear groups of conveying roller frames; a limiting component is arranged on the front side of the rolling wheel set in the conveying direction; a vibration supporting and demoulding mechanism opposite to the edge of the lower die is arranged at the bottom of the frame, and in an initial state, the upper end of the vibration supporting and demoulding mechanism is positioned at the lower side of the upper end surface of the rolling wheel set, and the upper end of the rolling wheel set and the upper ends of the rollers on the front and rear groups of conveying roller frames are positioned at the same horizontal plane; when the lower die with the built-in hub contacts the limiting assembly, the lifting driving mechanism drives the rolling wheel set to descend and enables the ejector pins to enter the corresponding lower die through holes, and meanwhile, the edge of the lower die is supported at the upper end of the vibration supporting demolding mechanism to perform vibration demolding.

In foretell wheel hub casting production is with lower mould and wheel hub release device, lift actuating mechanism includes along the vertical drawing of patterns pneumatic cylinder that sets up at the frame top, and drawing of patterns pneumatic cylinder piston rod free end is connected with the crane top, is provided with a plurality of guide bars that are connected with the crane top along vertical at drawing of patterns pneumatic cylinder outlying frame top.

In the device for separating the lower die from the hub for the hub casting production, the vibration support demolding mechanism comprises a plurality of vibration support pillars which are arranged on a foundation at intervals along the discharging direction, a mounting plate is arranged on the outer side wall of the lower end proximal portion of each vibration support pillar, and a vibration motor is arranged on the mounting plate; in an initial state, the upper end of the vibration support column is positioned at the lower side of the upper end surface of the rolling wheel set, and the upper end of the rolling wheel set and the upper ends of the rollers on the front and rear groups of conveying roller frames are positioned on the same horizontal plane.

In the lower die and hub separating device for hub casting production, the lifting frame comprises a lifting plate which is horizontally arranged at the upper part in the frame and is linked with the lifting driving mechanism, a plurality of connecting rib plates are vertically arranged at the bottom of the lifting plate along the two sides of the discharging direction at intervals, and mounting transverse plates matched with the two groups of conveying roller frames are horizontally arranged at the bottom of the connecting rib plates at the two sides along the discharging direction.

In the lower die and hub separating device for hub casting production, two groups of rolling wheel sets are arranged, the two groups of rolling wheel sets are oppositely arranged on the inner side wall of the corresponding mounting transverse plate along the discharging direction, and rollers on the rolling wheel sets are arranged at intervals; each vibration supporting column is positioned between two adjacent rollers of each rolling wheel set.

In the lower die and hub separating device for hub casting production, the limiting assembly comprises fixing seats arranged at the tops of two sides of a conveying roller carrier at the front side in the conveying direction of the rolling wheel set, an opening and closing baffle is arranged between the fixing seats at the two sides, one end of the opening and closing baffle is hinged with the fixing seat at one side, and the other end of the opening and closing baffle is connected with an opening and closing clamping groove arranged on the fixing seat at the other side; the top of the opening and closing baffle close to one side of the opening and closing clamping groove is provided with a hinged seat, the hinged seat is hinged with a lifting ring, and the top of the lifting ring is provided with a hook used for hanging the lifting ring on a corresponding rack.

When demoulding, the opening and closing baffle is matched and fixed on the fixed seats at the two sides; after demolding is completed, the opening and closing baffle is opened through the lifting ring, and the lifting ring is hung on the hook.

In foretell in lower mould and wheel hub release device for wheel hub casting production, the vibrations that the thimble below corresponds support demoulding mechanism inboard and are provided with the collecting hopper that is used for supplementary ejection of compact and collection drawing of patterns waste material, the bottom is provided with the shock attenuation board along ejection of compact direction downward sloping in the collecting hopper, be provided with a plurality of damping spring of matched with between the bottom in shock attenuation board and collecting hopper, the tilting end of shock attenuation board in keeping away from collecting hopper discharge end one side is provided with the leading wheel, it is provided with the arc shock attenuation groove with leading wheel matched with to keep away from discharge end one side inner wall at the collecting hopper, both ends are provided with the blotter about in the arc shock attenuation inslot.

The utility model adopts the above structure after, through the crane that sets up and lift actuating mechanism linkage to set up the roll wheelset that is used for placing the lower mould on the crane, can enough drive built-in wheel hub's lower mould and descend and realize the lower mould and vibrations and support demoulding mechanism's contact and carry out the drawing of patterns, after accomplishing the drawing of patterns, the crane resets and can make the lower mould get back to between two sets of carrier roller frames again, carries to next process. Through the cooperation of crane, rolling wheelset and vibrations support demoulding mechanism, realize the high-efficient separation and the transport of lower mould and wheel hub.

Simultaneously, the thimble can enough carry out ejecting the clearance to the casting waste material of wheel hub hole inslot when the drawing of patterns, can cooperate with the through-hole on the lower mould again and realize the location, prevents that drawing of patterns in-process lower mould from taking place the displacement because of vibrations and influencing the crane and reseing.

Further, spacing subassembly can carry on spacingly to the front end of lower mould when built-in wheel hub's lower mould gets into the crane, guarantees that built-in wheel hub's lower mould is accurate to be carried to the crane and carries out the drawing of patterns.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a partially enlarged view at C in fig. 1.

In the figure: 1. a frame; 2. a lifting frame; 2a, a lifting plate; 2b, connecting a rib plate; 2c, installing a transverse plate; 3. a lifting drive mechanism; 3a, a demoulding hydraulic cylinder; 3b, a guide rod; 4. a thimble; 5. a rolling wheel group; 6. a conveying roller frame; 7. a limiting component; 7a, a fixed seat; 7b, opening and closing baffles; 7c, opening and closing the clamping groove; 7d, a hinge base; 7e, lifting the ring; 7f, hanging hooks; 8. a vibration supporting demoulding mechanism; 8a, vibrating a supporting column; 8b, mounting plates; 8c, a vibration motor; 9. a collection hopper; 10. a damper plate; 11. a damping spring; 12. a guide wheel; 13. an arc-shaped damping groove; 14. a cushion pad; 15. positioning blocks; 16. and (7) fixing the plate.

Detailed Description

Referring to fig. 1 to 4, the lower die and hub separation device for hub casting production of the present invention comprises a frame 1, wherein a lifting frame 2 is arranged at the upper part in the frame 1, and a lifting driving mechanism 3 linked with the lifting frame 2 is vertically arranged at the top of the frame 1; a plurality of thimbles 4 which are in one-to-one correspondence with the through holes on the lower die are distributed on the top in the lifting frame 2, a rolling wheel set 5 which is adapted to the lower die is arranged on the lower part of the lifting frame 2 along the horizontal direction, and the rolling wheel set 5 is positioned between the front and the rear groups of conveying roller frames 6; a limiting component 7 is arranged on the front side of the rolling wheel set 5 in the conveying direction; a vibration supporting and demoulding mechanism 8 opposite to the edge of the lower die is arranged at the bottom of the frame 1, and in an initial state, the upper end of the vibration supporting and demoulding mechanism 8 is positioned at the lower side of the upper end surface of the rolling wheel set 5, and the upper end of the rolling wheel set 5 and the upper ends of the rollers on the front and the rear groups of conveying roller frames 6 are positioned at the same horizontal plane; when the lower die with the built-in hub contacts the limiting component 7, the lifting driving mechanism 3 drives the rolling wheel set 5 to descend and enables the ejector pins 4 to enter the corresponding lower die through holes, and meanwhile, the edge of the lower die is supported at the upper end of the vibration supporting demoulding mechanism 8 to carry out vibration demoulding.

Through setting up the crane with the linkage of lift actuating mechanism to set up the roll wheelset that is used for placing the lower mould on the crane, can enough drive built-in wheel hub's lower mould and descend and realize the contact of lower mould and vibrations support demoulding mechanism and carry out the drawing of patterns, after accomplishing the drawing of patterns, the crane resets and can make the lower mould get back to between two sets of carrier roller frames again, carries to next process. Through the cooperation of crane, rolling wheelset and vibrations support demoulding mechanism, realize the high-efficient separation and the transport of lower mould and wheel hub.

Simultaneously, through setting up the thimble, can enough carry out ejecting the cleaing away to the casting waste material of wheel hub hole inslot when the drawing of patterns, can cooperate with the through-hole on the lower mould again and realize the location, prevent that drawing of patterns in-process lower mould from taking place the displacement because of vibrations and influencing the crane and reset.

Preferably, the lifting driving mechanism 3 comprises a demoulding hydraulic cylinder 3a vertically arranged at the top of the frame 1, the free end of a piston rod of the demoulding hydraulic cylinder 3a is connected with the top of the lifting frame 2, and a plurality of guide rods 3b vertically arranged at the top of the frame 1 on the periphery of the demoulding hydraulic cylinder 3a and connected with the top of the lifting frame 2.

In this embodiment, the hydraulic cylinder 3a is connected to an external hydraulic station through a pipeline, which is a known technical means for those skilled in the art and is not a content to be protected in this application, and therefore, the description thereof is omitted.

Further, the vibration supporting and demolding mechanism 8 comprises a plurality of vibration supporting columns 8a which are arranged on the foundation at intervals along the discharging direction, a mounting plate 8b is arranged on the outer side wall of the lower end proximal portion of each vibration supporting column 8a, and a vibration motor 8c is arranged on the mounting plate 8 b; in the initial state, the upper end of the vibration support column 8a is positioned at the lower side of the upper end surface of the rolling wheel set 5, and the upper end of the rolling wheel set 5 and the upper ends of the rollers on the front and rear groups of conveying roller frames 6 are positioned at the same horizontal plane.

In this embodiment, a positioning block 15 for laterally positioning the lower die during demolding is vertically arranged on one side of the top end of the vibration supporting column 8a close to the installation transverse plate 2 c. The locating piece can be changed regularly, avoids direct contact vibrations support column to cause its wearing and tearing.

Preferably, the lifting frame 2 comprises a lifting plate 2a which is horizontally arranged at the upper part in the machine frame 1 and is linked with the lifting driving mechanism 3, a plurality of connecting rib plates 2b are vertically arranged at intervals at the bottom of the lifting plate 2a along the two sides of the discharging direction, and a mounting transverse plate 2c matched with the two groups of conveying roller frames 6 is horizontally arranged at the bottom of the connecting rib plates 2b along the discharging direction. Lifter plate 2a, connection gusset 2b and installation diaphragm 2c mutually support, wholly are the structure of falling the U-shaped, neither influence built-in wheel hub's lower mould get into the crane in, can effectively support built-in wheel hub's lower mould again to drop to the lower mould and shake when the drawing of patterns and support demoulding mechanism contact and break away from with rolling wheelset 5 simultaneously, prevent that the damage to the hydro-cylinder is constructed to the lift driving machine to vibrations conduction in the drawing of patterns process.

Furthermore, the rolling wheel sets 5 are divided into two groups, the two groups of rolling wheel sets 5 are oppositely arranged on the inner side wall of the corresponding installation transverse plate 2c along the discharging direction, and the rollers on each rolling wheel set 5 are arranged at intervals; each vibration supporting column 8a is positioned between two adjacent rollers of each roller set 5. Each vibration support column 8a is arranged between two adjacent rollers, so that the lower die edge can be supported when the lower die is lowered to be separated from the rolling wheel set 5, and the wheel hub can smoothly drop when separated from the lower die.

Preferably, the limiting assembly 7 comprises fixing seats 7a arranged at the tops of two sides of the conveying roller frame 6 at the front side of the conveying direction of the rolling wheel set 5, an opening and closing baffle 7b is arranged between the fixing seats 7a at the two sides, one end of the opening and closing baffle 7b is hinged with the fixing seat 7a at one side, and the other end of the opening and closing baffle 7b is connected with an opening and closing clamping groove 7c arranged on the fixing seat 7a at the other side; the top of the opening and closing baffle 7b close to one side of the opening and closing clamping groove 7c is provided with a hinged seat 7d, the hinged seat 7d is hinged with a lifting ring 7e, and the top of the lifting ring 7e is provided with a hook 7f for hanging the lifting ring 7e on the corresponding rack 1. Through set up the baffle 7b that opens and shuts on the gyro wheel frame 6 at the rolling wheelset 5 discharge end, can carry on spacingly to the front end of lower mould when the lower mould of built-in wheel hub gets into crane 2, guarantee that built-in wheel hub's lower mould is accurate to be carried to crane 2 and is carried out the drawing of patterns. The baffle 7b that opens and shuts one end is articulated with fixing base 7a, and the baffle 7b other end that opens and shuts cooperates with opening and shutting draw-in groove 7c and fixes, can open and shut baffle 7b through rotating 7b that opens and shuts and conveniently open and close baffle 7b that opens and shuts. The opening and closing flap 7b is provided with the lifting ring 7e which is matched with the hook 7f arranged on the frame 1, so that the lifting ring 7e is hung on the hook 7f to keep the opening and closing flap 7b in an opening state when the opening and closing flap 7b is opened.

When demoulding, the opening and closing baffle 7b is matched and fixed on the fixed seats 7a at two sides; after the completion of the mold release, the opening and closing shutter 7b is opened by the lift tab 7e and the lift tab 7e is hung on the hook 7f, and the opening and closing shutter 7b is kept in an opened state.

Further, 8 inboards of the vibration support demoulding mechanism that correspond below the thimble 4 are provided with the aggregate bin 9 that is used for assisting the ejection of compact and collects the drawing of patterns waste material, the bottom is provided with damper plate 10 along ejection of compact direction downward sloping in aggregate bin 9, be provided with a plurality of damping spring 11 of matched with between damper plate 10 and aggregate bin 9 bottom, damper plate 10 is provided with leading wheel 12 at the perk end of keeping away from aggregate bin 9 discharge end one side, it is provided with leading wheel 12 matched with arc shock attenuation groove 13 to keep away from discharge end one side inner wall at aggregate bin 9, both ends are provided with blotter 14 about in arc shock attenuation groove 13. Collecting hopper 9 can assist the ejection of compact to the wheel hub after breaking away from when the drawing of patterns, can collect the processing to the drawing of patterns waste material that the drawing of patterns in-process dropped simultaneously, prevents that the waste material from unrestrained in ground polluted environment. Through set up damper plate 10 and damping spring 11 in collecting hopper 9, can play the cushioning effect to the wheel hub that drops in drawing of patterns in-process, prevent that wheel hub from directly dropping and taking place to damage on the ground, influence product quality. Through set up leading wheel 12 and arc shock attenuation groove 13 and cooperate at the tip of shock attenuation board 10 perk, can carry out effective location and direction to shock attenuation board 10 at the during operation. The guide wheels 12 can be prevented from colliding with the arc-shaped damping grooves 13 to cause damage when the damping plate 10 is in operation by arranging the buffer pads 14 at the upper and lower ends in the arc-shaped damping grooves 13.

Preferably, the top of the thimble 4 is fixedly provided with a fixing plate 16, and the fixing plate 16 is detachably connected with the inner top of the lifting frame 2 through a bolt; the ejector pin 4 can be conveniently disassembled and replaced.

Furthermore, a photoelectric sensor for positioning and installing the lifting position of the transverse plate 2c is arranged on the conveying roller frame 6 at the feeding end of the rolling wheel set 5.

In this embodiment, drawing of patterns pneumatic cylinder 3a, vibrating motor 8c and photoelectric sensor all with control terminal electric connection, its concrete connection mode and theory of operation are the common general knowledge in this field, not the utility model discloses the content of claim, consequently no longer describe repeatedly.

The utility model discloses the theory of operation: when the device works, the upper ends of the rolling wheel sets 5 and the upper ends of the rollers on the front and rear groups of conveying roller frames 6 are positioned on the same horizontal plane, and the opening and closing baffle 7b is in a closed state; a lower die with a built-in wheel hub is conveyed to a rolling wheel set 5 through a roller on a conveying roller frame 6 at the feeding end of the rolling wheel set 5, the front end of the lower die is in contact with an opening and closing baffle 7b for positioning and limiting, a demoulding hydraulic cylinder 3a is started, the demoulding hydraulic cylinder 3a drives a lifting frame 2 to descend, the lifting frame 2 descends to drive the rolling wheel set 5 to descend, when the edge of the lower die is in contact with a vibration supporting column 8a, the lower die is separated from the rolling wheel set 5, the lifting frame 2 continues to descend, a thimble 4 at the top in the lifting frame 2 penetrates through a through hole in the lower die to eject casting waste materials in a wheel hub hole groove, and the lower die is positioned at the same time; and starting the vibration motor 8c, enabling the wheel hub to be separated from the lower die by the vibration of the vibration motor 8c, enabling the wheel hub to fall into the aggregate bin 9, and performing auxiliary discharging through the damping plate 10.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. A lower die and hub separation device for hub casting production comprises a rack (1) and is characterized in that a lifting frame (2) is arranged at the upper part in the rack (1), and a lifting driving mechanism (3) linked with the lifting frame (2) is vertically arranged at the top of the rack (1);

a plurality of thimbles (4) which are in one-to-one correspondence with the through holes on the lower die are distributed on the top in the lifting frame (2), a rolling wheel set (5) which is adapted to the lower die is arranged on the lower part of the lifting frame (2) along the horizontal direction, and the rolling wheel set (5) is positioned between the front and the rear groups of conveying roller carriers (6); a limiting component (7) is arranged on the front side of the rolling wheel set (5) in the conveying direction;

a vibration supporting and demoulding mechanism (8) opposite to the edge of the lower die is arranged at the bottom of the frame (1), and in an initial state, the upper end of the vibration supporting and demoulding mechanism (8) is positioned at the lower side of the upper end surface of the rolling wheel set (5), and the upper end of the rolling wheel set (5) and the upper ends of the rollers on the front and rear groups of conveying roller frames (6) are positioned on the same horizontal plane; when the lower die with the built-in hub contacts the limiting assembly (7), the lifting driving mechanism (3) drives the rolling wheel set (5) to descend and enables the ejector pins (4) to enter the corresponding lower die through holes, and meanwhile, the edge of the lower die is supported at the upper end of the vibration supporting demolding mechanism (8) to perform vibration demolding.

2. The lower die and hub separating device for hub casting production according to claim 1, wherein the lifting driving mechanism (3) comprises a demolding hydraulic cylinder (3a) vertically arranged at the top of the frame (1), the free end of a piston rod of the demolding hydraulic cylinder (3a) is connected with the top of the lifting frame (2), and a plurality of guide rods (3b) connected with the top of the lifting frame (2) are vertically arranged at the top of the frame (1) on the periphery of the demolding hydraulic cylinder (3 a).

3. The lower die and hub separating device for hub casting production according to claim 1, wherein the vibration supporting and demolding mechanism (8) comprises a plurality of vibration supporting columns (8a) which are arranged on a foundation at intervals along the discharging direction, a mounting plate (8b) is arranged on the outer side wall of the lower end proximal portion of each vibration supporting column (8a), and a vibration motor (8c) is arranged on the mounting plate (8 b); in an initial state, the upper end of the vibration supporting column (8a) is positioned at the lower side of the upper end surface of the rolling wheel set (5), and the upper end of the rolling wheel set (5) and the upper ends of the rollers on the front and rear groups of conveying roller frames (6) are positioned on the same horizontal plane.

4. The lower die and hub separating device for hub casting production according to claim 3, wherein the lifting frame (2) comprises a lifting plate (2a) horizontally arranged at the upper part in the frame (1) and linked with the lifting driving mechanism (3), a plurality of connecting rib plates (2b) are vertically arranged at intervals at the two sides of the bottom of the lifting plate (2a) along the discharging direction, and mounting transverse plates (2c) matched with the two groups of conveying roller frames (6) are horizontally arranged at the bottoms of the connecting rib plates (2b) at the two sides along the discharging direction.

5. The lower die and hub separating device for hub casting production according to claim 4, wherein the rolling wheel sets (5) are divided into two groups, the two groups of rolling wheel sets (5) are oppositely arranged on the inner side wall of the corresponding mounting transverse plate (2c) along the discharging direction, and rollers on the rolling wheel sets (5) are arranged at intervals; each vibration supporting column (8a) is positioned between two adjacent rollers of each rolling wheel set (5).

6. The lower die and hub separating device for hub casting production according to claim 1, wherein the limiting assembly (7) comprises fixing seats (7a) arranged at the tops of two sides of the conveying roller frame (6) at the front side of the conveying direction of the rolling roller set (5), and an opening and closing baffle plate (7b) is arranged between the fixing seats (7a) at the two sides; one end of the opening and closing baffle (7b) is hinged with the fixed seat (7a) on one side, and the other end of the opening and closing baffle (7b) is connected with an opening and closing clamping groove (7c) arranged on the fixed seat (7a) on the other side; a hinged seat (7d) is arranged at the top of the opening and closing baffle (7b) close to one side of the opening and closing clamping groove (7c), a lifting ring (7e) is hinged on the hinged seat (7d), and a hook (7f) used for hanging the lifting ring (7e) is arranged on the top of the lifting ring (7e) corresponding to the rack (1);

when demoulding, the opening and closing baffle (7b) is matched and fixed on the fixed seats (7a) at two sides; after the mold release is completed, the opening and closing shutter (7b) is opened by rotating the lift tab (7e) and the lift tab (7e) is hung on the hook (7 f).

7. The lower die and hub separating device for hub casting production according to claim 1, wherein a collecting hopper (9) for assisting discharging and collecting demolding waste is arranged inside the vibration supporting and demolding mechanism (8) corresponding to the lower portion of the ejector pin (4), a damping plate (10) is arranged at the bottom of the collecting hopper (9) and inclines downwards along the discharging direction, a plurality of damping springs (11) matched with each other are arranged between the damping plate (10) and the bottom of the collecting hopper (9), a guide wheel (12) is arranged at the tilting end of the damping plate (10) far away from the discharging end of the collecting hopper (9), an arc-shaped damping groove (13) matched with the guide wheel (12) is arranged on the inner wall of the collecting hopper (9) far away from the discharging end, and buffering pads (14) are arranged at the upper end and the lower end of the arc-shaped damping groove (13).