CN113500754B

CN113500754B - Injection mold and injection process for plastic product processing

Info

Publication number: CN113500754B
Application number: CN202110864063.1A
Authority: CN
Inventors: 张炜
Original assignee: Wuhan Lianzhen Science & Technology Co ltd
Current assignee: Wuhan Lianzhen Science & Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-11-29
Anticipated expiration: 2041-07-29
Also published as: CN113500754A

Abstract

The invention relates to the technical field of injection molding, in particular to an injection mold for processing plastic products and an injection molding process. This device is through the setting of first conveyer belt and baffle for the device is at the drawing of patterns in-process, and first conveyer belt upwards overturns and catches the goods, and descends the transmission downwards with goods through first conveyer belt upset simultaneously, and the baffle blocks the goods and avoids goods downward landing to cause the collision, thereby is favorable to the stable unloading of goods, is favorable to reducing the collision damage rate of goods unloading in-process.

Description

Injection mold and injection process for plastic product processing

Technical Field

The invention relates to the field of injection molding, in particular to an injection mold for processing plastic products and an injection molding process.

Background

Injection molding is a method for producing and molding industrial products, and plastic injection molding is a method for plastic products, molten plastic is injected into a plastic product mold by pressure, various plastic parts are obtained by cooling and molding, and a mechanical injection molding machine special for injection molding is provided.

The prior art discloses an invention patent in the aspect of partial injection molds, and a Chinese patent with the application number of 201711331489.0, and discloses a plastic product injection mold ejection device which comprises a mold base box body, wherein a mold body is arranged at the top of the mold base box body, a frame is arranged at the top of the mold base box body, three groups of rotating shafts are arranged in an inner cavity of the mold base box body, the left end and the right end of each rotating shaft penetrate through the mold base box body, six groups of grooved cams are arranged on the rotating shafts in the inner cavity of the mold base box body, the rotating shafts at the left end and the right end of the mold base box body are provided with external cams, gears are arranged on the outer wall of the right side of each rotating shaft, a speed reducer is arranged at the right end of each rotating shaft, a motor shaft is arranged at the right end of each speed reducer, stepped holes are provided with rotating motors, short ejector pins are arranged in the stepped holes arranged in rows, and two groups of long ejector pins are arranged in the stepped holes at intervals.

In the process of separating from the plastic injection molding, in order to improve the efficiency of demolding, the product is ejected and demolded by the plastic injection molding demolding ejection device in the prior art, the product after demolding automatically falls to be recycled, however, in the demolding process, some plastic products are weak due to the self property, and the product can collide with other products or machines after colliding with the plastic products in the automatic falling process after demolding, so that the product is flawed or damaged, and the loss rate of the product is increased. Therefore, the invention provides an injection mold for processing plastic products and an injection process for solving the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an injection mold and an injection process for processing plastic products.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an injection mold for processing plastic products comprises a base, wherein a fixed mold is fixed at the top of the base, a cylinder is arranged on one side of the fixed mold, a connecting seat is fixedly installed on the surface of the cylinder, the connecting seat is fixedly connected to the top of the base, the cylinder is fixed at the top of the base, a movable mold is fixed at the output end of the cylinder, an opening is formed between the movable mold and the fixed mold, the opening penetrates through the top of the base, a turnover discharging device is installed at the bottom of the base, the turnover discharging device automatically turns upwards to receive products during demolding and automatically turns over the received products for safe discharging during next injection molding, a discharging conveying device is installed below the base, and the products turned over and discharged by the turnover discharging device are conveyed and recovered by the discharging conveying device; in the working process, in the separation process of plastic injection molding, in order to improve the efficiency of demolding, product ejection and demolding are performed through a plastic injection demolding ejection device in the prior art, the product after demolding is automatically fallen and recovered, however, in the demolding process, some plastic products are weak due to self properties, collision can be generated after collision with other products or machines in the automatic falling process after demolding, the product is flawed or damaged, thereby the loss rate of the product is increased, the technical scheme can solve the problems, the base can support the whole device, a cylinder can drive the moving die to move through an output end, the moving die can be matched with a fixed die to perform injection molding of the plastic product, the formed product can fall and be recovered downwards through an opening, the overturning and blanking device is driven to upwards overturn in the moving die and demolding process of the moving die and the fixed die, the overturning and blanking device after upwards overturning drives the product to downwards stably and downwards and flushes with the bottom of the base, the stable falling of the product is enabled to fall above the overturning and is aligned with the bottom of the fixed die, and the product, thereby the unloading device is beneficial to reduce the damage of the product during the recovery and the recovery of the product in the unloading process of the unloading device.

Preferably, the turnover discharging device comprises two fixed disks, the two fixed disks are fixed at the bottom of the base, a first rotating roller is rotatably arranged between the opposite sides, connecting plates are rotatably arranged at two ends of the first rotating roller, a turnover linkage device is arranged between the two connecting plates and the movable mold, a second rotating roller is rotatably arranged at the other ends of the two connecting plates, a conveying linkage device is arranged between the second rotating roller and the base, the second rotating roller and the outer ring of the first rotating roller are jointly conveyed and connected with a first conveying belt, a baffle is fixed at the top of the first conveying belt, the baffle and the connecting plates are connected with each other through a sliding structure, a plurality of springs are fixed in an array manner on one side of the baffle facing the fixed disks, a turnover plate is hinged to one side edge of the baffle facing away from the first conveying belt, the tops of all the springs are fixedly connected with the side wall of the turnover plate, an arc-shaped inclined surface is arranged on one side edge of the turnover plate facing the first conveying belt, and the arc-shaped inclined surface is matched with the end part of the first conveying belt; when the automatic blanking recovery device works, the fixed disc enables the first rotating roller to be rotatably installed at the bottom of the base, the connecting plate can be used for fixedly connecting the first rotating roller and the second rotating roller, the relative position between the first rotating roller and the second rotating roller is fixed, a first conveying belt is connected between the first rotating roller and the second rotating roller in a conveying mode, the turnover linkage device can drive the connecting plate to turn over up and down in the moving process of the moving die, the connecting plate drives the first conveying belt to turn over up and down in the turning process, and therefore products are supported, the first conveying belt can start conveying under the driving of the conveying linkage device, the first conveying belt can convey the products while turning over, the products are conveyed downwards after being picked up, collision damage caused by direct falling of the products is avoided, the baffle can block the products in the turning process of the first conveying belt, direct downward rolling of the products is avoided, collision damage caused by high rolling speed of the products is avoided, the spring can pull the turnover plate, the distance between the turnover plate and the baffle can be correspondingly changed along with the movement of the position, when the first conveying belt moves to the end, the edge of the turnover plate is connected with the end of the first conveying belt smoothly, collision damage of the products is favorable for stably recovering the products, and the products are favorable for the recovery of the products in the blanking process of the blanking.

Preferably, the turnover linkage device comprises two first racks and two rotating shafts, the two first racks are symmetrically fixed on two sides of the moving die, first gears are arranged below the two first racks, the first gears are meshed with the first racks and rotatably mounted on the side walls of the air cylinders, the two rotating shafts are respectively fixed on opposite sides of the two connecting plates, arc-shaped rods are rotatably sleeved on outer rings of the two rotating shafts, tops of the two arc-shaped rods are movably inserted into the connecting seat, a channel for the arc-shaped rods to slide is formed in the connecting seat in a penetrating manner, second racks are fixed on outer arc surfaces of the two arc-shaped rods, and the second racks are meshed with the first gears; during operation, the removal of first rack is driven in the removal process of moving die, drive the first gear revolve with first rack toothing after the first rack removes, drive the second rack with first gear toothing after the first gear revolve and reciprocate, drive the arc pole removal after the second rack removes, thereby the outer lane of pivot is established in the rotation of arc pole rotation cover and is being reciprocated the in-process drive pivot and reciprocate, the upset of pivot drive connecting plate after the removal, thereby make the connecting plate drive the removal of first conveyer belt cooperation moving die and overturn, be favorable to first conveyer belt to catch the goods in step at the moving die drawing of patterns in-process, thereby be favorable to avoiding the goods directly to retrieve by the opening whereabouts and cause the collision impaired.

Preferably, the conveying linkage device comprises two second gears, the two second gears are respectively fixed at two ends of the second rotating rollers, arc-shaped racks are respectively arranged on one sides of the two second rotating rollers, the two arc-shaped racks are respectively meshed with the two second gears, and the tops of the two arc-shaped racks are fixedly connected with the bottom of the base; when the automatic feeding device works, the arc-shaped rack is fixed at the bottom of the base and is in an arc shape which is coaxial with the arc-shaped rod, the moving track of the edge of the connecting plate in the vertical overturning process is always in an arc shape which is concentric with the arc-shaped rack, the second gear is always meshed with the arc-shaped rack in the vertical overturning process along with the connecting plate, the second gear is enabled to generate relative displacement with the arc-shaped rack in the vertical overturning process along with the engagement of the arc-shaped rack and the second gear, so that the second gear is driven to rotate, the second rotating roller is driven to rotate after the second gear rotates, the first conveying belt is driven to convey upwards in the vertical overturning process, the baffle is driven to convey upwards to block products, the products are conveyed downwards in the vertical overturning process, the products are stably fallen into the upper part of the blanking conveying device to convey and recover after the height of the products is gradually reduced along with the downward conveying of the first conveying belt, the stable connection of the products is facilitated, and the collision damage of the products is avoided.

Preferably, the sliding structure comprises two first sliding chutes which are respectively arranged at the tops of the two connecting plates, first sliding blocks are slidably inserted into the two first sliding chutes, and the tops of the two first sliding blocks are respectively fixedly connected with the two ends of the baffle; the during operation, the baffle is fixed and is removed along with the conveying of first conveyer belt at the top of first conveyer belt, the both ends of baffle are fixed with first slider, first slider slides in the inside of first spout, thereby support the slip of baffle, make the supporting role of the first slider in both ends of baffle keep upright down, avoid the baffle to topple over to both sides under the conveying role of first conveyer belt, thereby be favorable to keeping the upright state of baffle to blockking the goods, thereby be favorable to blockking through the roll of blockking the goods of baffle.

Preferably, the blanking conveying device comprises two supports, the two supports are respectively fixed on two sides of the bottom of the base, third rotating rollers are rotatably mounted at two ends of each of the two supports, a motor is fixed on the side wall of one of the supports through a screw, an output shaft of the motor penetrates through the supports and is fixedly connected with a central shaft of one of the third rotating rollers, and outer rings of the two third rotating rollers are jointly connected with a second conveying belt in a conveying manner; the during operation, the support can rotate the third live-rollers and support and fix the motor simultaneously, the output shaft can drive the third live-rollers rotation after the motor starts, drive the conveying of second conveyer belt after the third live-rollers rotates, convey goods after the conveying of second conveyer belt when linking up with first conveyer belt, thereby avoid piling up the collision that leads to the fact goods in one department all the time after the downward conveying of goods, be favorable to the separation conveying of goods to retrieve, thereby be favorable to avoiding the mutual collision between the goods, be favorable to reducing the damage that the goods caused because mutual collision.

Preferably, three fixing buttons are fixed to the top of the turnover plate, the fixing buttons are distributed in an isosceles triangle shape, two fixing buttons are symmetrically fixed to the edge, close to the first conveying belt, of the first conveying belt, an elastic plate is sleeved on the outer ring of each fixing button together, extension plates are fixed to the two ends, back to the first conveying belt, of each elastic plate, stop blocks are fixed to the tops of the two supports, and the extension plates abut against the tops of the stop blocks when the elastic plates move to the end portions of the first conveying belt; the during operation, when the appearance of goods is mellow, roll on the first conveyer belt of slope easily everywhere, change at the downward upset in-process gradient of first conveyer belt, promote the roll of goods easily, rolling goods exists by the impaired risk of first conveyer belt edge drop, this technical scheme can solve above problem, the concrete implementation mode is as follows, the lateral wall at the returning face plate is fixed to the fixed button and be isosceles triangle-shaped and distribute, thereby fix the lateral wall at the returning face plate with the elastic plate, make one side of elastic plate towards first conveyer belt fixed by two fixed buttons simultaneously, one side of elastic plate dorsad first conveyer belt is fixed by a fixed button, the elastic plate offsets along with the extending plate that the returning face plate removed both ends to first conveyer belt tip back, make the dog upwards extrude the extending plate and promote, make the both ends tilt up of elastic plate, simultaneously because the middle part of elastic plate is fixed unable upwarp by the fixed button, thereby make the elastic plate present middle gentle state of both ends upwarp simultaneously, the goods is in the downward transfer process because the upwarp and roll to the middle part of elastic plate, thereby be favorable to carrying out the damaged goods along the collision of the conveying belt that the second reduces, thereby the conveying of being favorable to rolling goods that the conveying belt that drops.

Preferably, the bottom of the base is symmetrically provided with grooves, first fixing plates are fixed inside the two grooves, a fan-shaped fold plate is fixed at the bottom of the first fixing plate, a second fixing plate is fixed at the bottom of the fan-shaped fold plate, two ends of the second fixing plate are fixedly connected with the arc-shaped rod and the fixing disc respectively, one end of the fan-shaped fold plate is rotatably installed at the edge of the fixing disc, a plurality of second sliding blocks are fixed at the other end of the fan-shaped fold plate, all the second sliding blocks correspond to folds of the fan-shaped fold plate respectively, a second sliding groove is formed in one side, opposite to the second rack, of the arc-shaped rod, and all the second sliding blocks are inserted into the second sliding groove in a sliding manner; the during operation, when the goods are conveyed to the second conveyer belt by first conveyer belt, if plastic products's edge is mellow, roll to the edge in the data send process easily, the goods that roll to the edge has the risk of rolling down along the slope route in the conveying linking process, thereby cause plastic products' striking impaired, this technical scheme can solve above problem, the concrete implementation mode is as follows, the inside of recess provides accommodation space for the fan-shaped fold board after upwards overturning, first fixed plate is fixed in the inside of recess and is fixed with the one end of fan-shaped fold board, the second fixed plate is fixed with the other end of fan-shaped fold board with the arc pole, make the fan-shaped fold board can open or close along with the reciprocating of arc pole and the upset, drive second fixed plate downstream at the arc pole downstream in-process, the edge of second fixed plate drive fan-shaped fold board overturns downwards, thereby make the fan-shaped fold board expand along with the downstream of arc pole, the inside slip of second slider at the second spout, make the laminating of fan-shaped fold board all the time with the fan-shaped fold board, stop the conveyer belt to the clearance between base, avoid goods to be fallen by the edge of the damage of first conveyer belt, thereby be favorable to the damaged goods that the unloading of avoiding the edge of first conveyer belt to drop, thereby be favorable to the impaired goods is reduced along the first conveyer belt.

An injection molding process of an injection mold for processing plastic products comprises the following steps:

step one, injection molding of plastic products: after the movable mould is pushed, the movable mould is matched with the fixed mould to be matched, and then the plastic product is subjected to injection molding processing;

step two, turning and blanking the molded plastic product: the demolded product falls along the opening, the turnover discharging device is driven to support the product in the demolding process of the movable mold, and the turnover discharging device is turned over to convey the product slowly downwards in the moving mold closing process of the movable mold, so that the product falls above the discharging conveying device;

step three, recycling the plastic product: after the plastic products are conveyed to the blanking conveying device, the plastic products are sequentially conveyed and recovered under the transmission action of the blanking conveying device.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the arrangement of the first conveyor belt and the baffle plate, the first conveyor belt is upwards overturned to catch a product in the demoulding process of the device, and is driven to overturn and descend in the moving mould closing process and drive the first conveyor belt to drive the product to be downwards conveyed, and meanwhile, the baffle plate blocks the product to avoid collision caused by downward sliding of the product, so that the product cannot collide with a machine in the demoulding and blanking process and cannot be violently collided with each other, thereby being beneficial to stable blanking of the product and reducing the collision damage rate in the product blanking process.

2. According to the invention, through the arrangement of the fan-shaped fold plates, the fan-shaped fold plates can be unfolded and folded along with the turning of the first conveyor belt, so that both sides of the first conveyor belt are shielded by the fan-shaped fold plates, and the collision of plastic products with smooth shapes caused by rolling-off of both sides of the first conveyor belt in the turning and blanking process is avoided, thereby facilitating the stable blanking of the products and reducing the collision damage rate of the products in the falling process.

3. According to the invention, through the arrangement of the elastic plate and the stop blocks, in the overturning and blanking process of the first conveyor belt, the elastic plate is gradually conveyed along with the first conveyor belt, the extending plates at the two ends are propped by the stop blocks to be upwards warped when the elastic plate is conveyed to the end part of the first conveyor belt, so that the two ends of the elastic plate are upwarped, the elastic plate is in a state that the upwarped middle parts at the two ends are gentle, the product is promoted to fall from the middle part of the elastic plate, the collision caused by the product rolling off in the conveying process of the product to the second conveyor belt is avoided, and the collision damage rate of the product is reduced.

Drawings

FIG. 1 is a schematic flow diagram of an injection molding process of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the base of the present invention after being sectioned;

FIG. 4 is an enlarged view of a portion A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 3B;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 5 at C;

FIG. 7 is an enlarged view of a portion of FIG. 3 showing the structure of the present invention;

FIG. 8 is a schematic cross-sectional view of a base of the present invention;

FIG. 9 is an enlarged view of a portion of E of FIG. 8;

FIG. 10 is an enlarged view of a portion of the structure of FIG. 8 at F in accordance with the present invention;

FIG. 11 is an enlarged view of a portion of the structure of FIG. 8 at G;

FIG. 12 is a cross-sectional view of the connecting plate of the present invention;

FIG. 13 is an enlarged, fragmentary, schematic view taken at H in FIG. 12 in accordance with the present invention;

FIG. 14 is a schematic sectional view of the baffle and the roll-over plate of the present invention;

FIG. 15 is a schematic view of the structure of the present invention enlarged partially at I in FIG. 14.

In the figure: 1. a base; 2. fixing the mold; 3. moving the mold; 4. a cylinder; 401. a connecting seat; 5. an opening; 6. a first rack; 7. a first gear; 8. an arcuate bar; 801. a channel; 9. a rotating shaft; 10. fixing the disc; 11. a first rotating roller; 12. a connecting plate; 13. a second rotating roller; 14. a first conveyor belt; 15. a support; 16. a motor; 17. a third rotating roller; 18. a second conveyor belt; 19. an arc-shaped rack; 20. a second gear; 21. a first chute; 22. a first slider; 23. a baffle plate; 24. a turnover plate; 25. a spring; 26. an elastic plate; 27. a fixing button; 28. an extension plate; 29. a stopper; 30. a second chute; 31. a fan-shaped corrugated plate; 32. a second slider; 33. a groove; 34. a first fixing plate; 35. a second fixing plate; 36. a second rack.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

An injection mold for processing plastic products as shown in fig. 1-15, which comprises a base 1, wherein a fixed mold 2 is fixed on the top of the base 1, a cylinder 4 is arranged on one side of the fixed mold 2, a connecting seat 401 is fixedly arranged on the surface of the cylinder 4, the connecting seat 401 is fixedly connected to the top of the base 1, the cylinder 4 is fixed on the top of the base 1, a movable mold 3 is fixed at the output end of the cylinder 4, an opening 5 is arranged between the movable mold 3 and the fixed mold 2, the opening 5 penetrates through the top of the base 1, an overturning and blanking device is arranged at the bottom of the base 1, the overturning and blanking device automatically overturns upwards to receive a product during demolding, and automatically overturns and safely discharges the received product during the next injection molding, a blanking conveying device is arranged below the base 1, and conveys and recovers the product overturned and discharged by the overturning and blanking device; when in work, in the separation process of plastic injection molding, in order to improve the demolding efficiency, the product is ejected and demolded by the plastic injection demolding ejection device in the prior art, and the demolded product automatically falls and is recovered, however, in the demolding process, some plastic products are weak due to the self properties, the product can collide with other products or machines in the automatic falling process after demoulding, so that the product can be flawed or damaged, thereby increasing the wear rate of the product, the technical proposal can solve the problems, the specific embodiment is that the base 1 can support the whole device, the cylinder 4 can drive the movable mould 3 to move through the output end, the movable mould 3 and the fixed mould 2 are matched to carry out the injection molding of the plastic product, the molded product can fall downwards through the opening 5 to be recovered, the turning and blanking device is driven to turn upwards in the process of moving the movable mould 3 and the fixed mould 2 back to the mould and demoulding, the turning and blanking device which turns upwards is flush with the bottom of the base 1, so that the product stably falls on the upper part of the turnover discharging device, then the turnover discharging device is turned downwards along with the mold closing process of the movable mold 3 and the fixed mold 2, the turnover discharging device after turning downwards drives the product to be stably conveyed downwards and is connected with a discharging conveying device, the products are sequentially recovered through the blanking conveying device, so that the collision with each structure of the device is reduced in the blanking process of the products, meanwhile, each product is separately recovered along with the process of demoulding and mould assembly, thereby avoiding mutual collision among the products, thereby being favorable to reducing the collision of goods unloading in-process, avoiding the goods to be impaired at the collision in-process to be favorable to reducing the damage rate of goods.

As an embodiment of the invention, the turnover discharging device comprises two fixed disks 10, wherein the two fixed disks 10 are fixed at the bottom of a base 1, a first rotating roller 11 is rotatably installed between opposite sides of the two fixed disks 10, connecting plates 12 are rotatably installed at two ends of the first rotating roller 11, a turnover linkage device is installed between the two connecting plates 12 and a movable mold 3, a second rotating roller 13 is rotatably installed at the other ends of the two connecting plates 12, a conveying linkage device is installed between the second rotating roller 13 and the base 1, the second rotating roller 13 and an outer ring of the first rotating roller 11 are jointly connected with a first conveying belt 14 in a conveying manner, a baffle plate 23 is fixed at the top of the first conveying belt 14, the baffle plate 23 and the connecting plates 12 are connected with each other through a sliding structure, a plurality of springs 25 are fixed in an array manner on one side of the baffle plate 23 facing the fixed disks 10, an overturning plate 24 is hinged to one side edge of the baffle plate 23 facing away from the first conveying belt 14, the tops of all the springs 25 are fixedly connected with side walls of the overturning plate 24, an arc-shaped inclined surface is arranged on one side edge of the overturning plate 24 facing the first conveying belt 14, and is matched with an end of the first conveying belt 14; when the automatic conveying device works, the fixed disc 10 rotatably installs the first rotating roller 11 at the bottom of the base 1, the connecting plate 12 can connect and fix the first rotating roller 11 and the second rotating roller 13, so that the relative position between the first rotating roller 11 and the second rotating roller 13 is fixed, the first conveying belt 14 is conveyed and connected between the first rotating roller 11 and the second rotating roller 13, the turnover linkage device can drive the connecting plate 12 to turn over up and down in the moving process of the movable mould 3, the connecting plate 12 drives the first conveying belt 14 to turn over up and down in the turning process, so as to support a product, the first conveying belt 14 can start conveying under the driving of the conveying linkage device, so that the first conveying belt 14 can convey while turning over, so as to convey the product downwards after receiving the product, and avoid collision damage caused by direct falling of the product, baffle 23 can block the goods in first conveyer belt 14 roll-over process, avoid the direct roll-off downwards of goods, thereby it is impaired to avoid the collision that the goods rolls fast, spring 25 can stimulate returning face plate 24, make the distance between returning face plate 24 and the baffle 23 can be along with the corresponding change of removal of position, when baffle 23 removes to the tip along with first conveyer belt 14, the edge of returning face plate 24 is tangent with the tip of first conveyer belt 14, thereby smooth connection first conveyer belt 14, make the goods convey the recovery to unloading conveyer top by smooth conveying on first conveyer belt 14, be favorable to the stable linking conveying of goods unloading in-process, thereby be favorable to avoiding the collision of goods unloading recovery in-process impaired, be favorable to reducing the damage rate of goods.

As an embodiment of the invention, the turnover linkage device comprises two first racks 6 and two rotating shafts 9, the two first racks 6 are symmetrically fixed on two sides of the moving die 3, first gears 7 are respectively arranged below the two first racks 6, the first gears 7 are meshed with the first racks 6 and rotatably installed on the side wall of the cylinder 4, the two rotating shafts 9 are respectively fixed on opposite sides of the two connecting plates 12, the outer rings of the two rotating shafts 9 are rotatably sleeved with arc-shaped rods 8, the tops of the two arc-shaped rods 8 are movably inserted in the connecting seat 401, a channel 801 for the arc-shaped rods 8 to slide is penetratingly arranged in the connecting seat 401, second racks 36 are fixed on the outer arc surfaces of the two arc-shaped rods 8, and the second racks 36 are meshed with the first gears 7; during operation, the movable mould 3 drives the first rack 6 to move in the moving process, the first rack 6 drives the first gear 7 meshed with the first rack 6 to rotate after moving, the second rack 36 meshed with the first gear 7 is driven to move up and down after the first gear 7 rotates, the second rack 36 drives the arc rod 8 to move after moving, the arc rod 8 rotates the outer ring sleeved on the rotating shaft 9 so as to drive the rotating shaft 9 to move up and down in the moving process, the rotating shaft 9 drives the connecting plate 12 to overturn after moving, thereby the connecting plate 12 drives the first conveyor belt 14 to cooperate with the movable mould 3 to move for overturning, the first conveyor belt 14 is beneficial to synchronously connecting products in the demoulding process of the movable mould 3, and the products are beneficial to avoiding collision damage caused by the falling recovery of the opening 5.

As an embodiment of the present invention, the transmission linkage device includes two second gears 20, the two second gears 20 are respectively fixed at two ends of the second rotating roller 13, one side of each of the two second rotating rollers 13 is provided with an arc-shaped rack 19, the two arc-shaped racks 19 are respectively engaged with the two second gears 20, and the top of each of the two arc-shaped racks 19 is fixedly connected with the bottom of the base 1; during operation, the arc rack 19 is fixed at the bottom of the base 1 and is in an arc shape coaxial with the arc rod 8, so that the moving track of the edge of the connecting plate 12 in the up-and-down turning process is always in an arc shape concentric with the arc rack 19, so that the second gear 20 is always engaged with the arc rack 19 along with the up-and-down turning process of the connecting plate 12, the engagement of the arc rack 19 and the second gear 20 enables the second gear 20 to generate relative displacement with the arc rack 19 in the up-and-down turning process so as to drive the second gear 20 to rotate, the second gear 20 drives the second rotating roller 13 to rotate after rotating, so as to drive the first conveyor belt 14 to convey, so that the first conveyor belt 14 conveys upwards in the up-and turning process, the baffle 23 conveys the product upwards and blocks the product, the product conveys downwards in the down-turning process, so that the product falls into the blanking conveyor to be conveyed and recovered stably after the height of the product is reduced along with the downward conveying of the first conveyor belt 14, thereby being beneficial to stable connection of product conveying and avoiding collision damage of the product.

As an embodiment of the present invention, the sliding structure includes two first sliding grooves 21, the two first sliding grooves 21 are respectively opened at the tops of the two connecting plates 12, first sliding blocks 22 are slidably inserted into the two first sliding grooves 21, and the tops of the two first sliding blocks 22 are respectively fixedly connected with two ends of the baffle 23; during operation, baffle 23 is fixed and is removed along with the conveying of first conveyer belt 14 at the top of first conveyer belt 14, baffle 23's both ends are fixed with first slider 22, first slider 22 slides in the inside of first spout 21, thereby support the slip of baffle 23, make the supporting role of the first slider 22 in baffle 23's both ends keep upright, avoid baffle 23 to topple over to both sides under the conveying effect of first conveyer belt 14, thereby be favorable to keeping baffle 23's the upright state to blockking the goods, thereby be favorable to blockking through baffle 23 and blockking the roll of goods.

As an embodiment of the invention, the blanking conveying device comprises two brackets 15, the two brackets 15 are respectively fixed on two sides of the bottom of the base 1, third rotating rollers 17 are rotatably mounted at two ends of each of the two brackets 15, a motor 16 is fixed on the side wall of one of the brackets 15 through a screw, an output shaft of the motor 16 penetrates through the brackets 15 and is fixedly connected with a central shaft of one of the third rotating rollers 17, and the outer rings of the two third rotating rollers 17 are jointly connected with a second conveying belt 18 in a conveying manner; in operation, support 15 can rotate third live-rollers 17 and support and fix motor 16 simultaneously, motor 16 starts the back output shaft and can drive third live-rollers 17 and rotate, third live-rollers 17 rotates the back and drives the conveying of second conveyer belt 18, convey the back with goods when linking up with first conveyer belt 14 after the conveying of second conveyer belt 18, thereby avoid piling up the collision that leads to the fact goods in a department all the time after the downward conveying of goods, be favorable to the separation conveying of goods to retrieve, thereby be favorable to avoiding the mutual collision between the goods, be favorable to reducing the damage that the goods caused because mutual collision.

As an embodiment of the present invention, three fixing buttons 27 are fixed on the top of the flipping plate 24, the fixing buttons 27 are distributed in an isosceles triangle, two of the fixing buttons 27 are symmetrically fixed on the edge of the first conveyor belt 14 close to the first conveyor belt 14, an elastic plate 26 is sleeved on the outer ring of the fixing buttons 27, an extending plate 28 is fixed on one side of each of two ends of the elastic plate 26 facing away from the first conveyor belt 14, a stopper 29 is fixed on the top of each of the two brackets 15, and the extending plate 28 abuts against the top of the stopper 29 when the elastic plate 26 moves to the end of the first conveyor belt 14; in operation, when the appearance of the product is round, roll easily around on the first conveyer belt 14 of slope, the gradient changes in the process of first conveyer belt 14 turning down, promote the roll of the product easily, the rolled product has the risk of being damaged by first conveyer belt 14 edge drop, this technical scheme can solve the above problems, the specific implementation is as follows, fixed button 27 is fixed at the lateral wall of turning plate 24 and is isosceles triangle distribution, thereby fix elastic plate 26 at the lateral wall of turning plate 24, make elastic plate 26 towards one side of first conveyer belt 14 fixed by two fixed buttons 27 simultaneously, one side of elastic plate 26 back to first conveyer belt 14 is fixed by one fixed button 27, elastic plate 26 moves extension plate 28 and dog 29 at both ends behind first conveyer belt 14 tip along with turning plate 24 and offsets, make dog 29 push extension plate 28 upwards extrusion, make both ends of elastic plate 26 upwards warp, simultaneously because the middle part of elastic plate 26 is fixed by fixed button 27 and can't upwards warp, thereby make elastic plate 26 present the state that the middle part upwarps simultaneously at both ends, the product is favorable to rolling and is reduced by the middle part of the roll of the product along the middle part of the elastic plate 26, thereby it is favorable to rolling conveying device to be carried out by the rolling along the second conveyer belt that the middle part of the elastic plate 26 and is reduced.

As an embodiment of the present invention, the bottom of the base 1 is symmetrically provided with grooves 33, the insides of both grooves 33 are fixed with first fixing plates 34, the bottom of the first fixing plate 34 is fixed with a fan-shaped corrugated plate 31, the bottom of the fan-shaped corrugated plate 31 is fixed with a second fixing plate 35, both ends of the second fixing plate 35 are respectively fixedly connected with the arc-shaped rod 8 and the fixed disk 10, one end of the fan-shaped corrugated plate 31 is rotatably mounted on the edge of the fixed disk 10, the other end of the fan-shaped corrugated plate 31 is fixed with a plurality of second sliders 32, all the second sliders 32 respectively correspond to the folds of the fan-shaped corrugated plate 31, one side of the arc-shaped rod 8, which faces away from the second rack 36, is provided with a second sliding chute 30, and all the second sliders 32 are slidably inserted into the second sliding chute 30; in operation, when the goods are conveyed to second conveyer belt 18 by first conveyer belt 14, if plastic products's edge is mellow, roll to the edge easily in data send process, the goods that roll to the edge exist along the risk that the slope route rolls down in the conveying linking process, thereby cause plastic products's striking impaired, this technical scheme can solve above problem, embodiment is as follows, the inside of recess 33 provides accommodation space for fan-shaped fold board 31 after upwards overturning, first fixed plate 34 is fixed in the inside of recess 33 and is fixed with fan-shaped fold board 31's one end, second fixed plate 35 is fixed with the other end of fan-shaped fold board 31 with arc pole 8 is fixed, make fan-shaped fold board 31 open or close along with arc pole 8's the reciprocating upset that reciprocates, drive second fixed plate 35 downstream at arc pole 8 downstream in-process, second fixed plate 35 drives fan-shaped fold board 31's edge downward upset, thereby make fan-shaped fold board 31 expand along with arc pole 8's downstream, second slider 32 slides in the inside of second spout 30 fold, make fan-shaped fold board 31's edge and fan-shaped fold board 31 the edge and fan-shaped fold board 31 downward overturn all the base and be favorable to avoiding the impaired clearance of the conveyer belt 14 reduction of the unloading, thereby be favorable to the damaged unloading gap of the unloading of the first conveyer belt that falls, thereby it reduces to be favorable to carry out the product.

step one, injection molding of plastic products: after the movable mold 3 is pushed, the movable mold is matched with the fixed mold 2 to be closed, then the plastic product is subjected to injection molding, and after the plastic product is subjected to injection molding, the movable mold 3 moves to drive the product to be demoulded;

step two, turning and blanking the molded plastic product: the demolded product falls along the opening 5, the turnover discharging device is driven to support the product in the demolding process of the movable mold 3, and the turnover discharging device is turned over to convey the product slowly downwards in the moving mold closing process of the movable mold 3, so that the product falls above the discharging conveying device;

The working principle of the invention is as follows: in the process of breaking away from at plastics injection molding, in order to improve the efficiency of drawing of patterns, carry out ejecting drawing of patterns to the goods through plastics injection moulding drawing of patterns ejecting device among the prior art, the automatic whereabouts of goods after the drawing of patterns is retrieved, however in drawing of patterns in-process, some plastic products make the goods weak because self nature, can produce and collide with after colliding with other goods or machine in the automatic whereabouts in-process after the drawing of patterns, make the goods produce the flaw or damage, thereby increase the waste rate of goods, this technical scheme can solve above-mentioned problem, concrete implementation is as follows, base 1 can support whole device, cylinder 4 can drive the removal of moving die 3 through the output, moving die 3 can carry out plastic products's injection moulding with fixed die 2 cooperation, the goods after the shaping can drop the recovery downwards through opening 5, drive the upset unloader upwards and overturn in moving die 3 and fixed die 2 backward moving die in-process, the upset unloader after upwards overturns flushes, make the steady whereabouts of goods above the unloader and the bottom of base 1 flush, make the steady whereabouts of goods pass through the unloading device that the conveying of unloading reduces the unloading and the conveying of each other products when the unloading is favorable to each other unloading, thereby the unloading recovery of unloading in proper order, thereby the unloading recovery of unloading product, the unloading is favorable to reduce the unloading of unloading in-process of unloading of the unloading of unloading.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. An injection mold for processing plastic products comprises a base (1) and is characterized in that a fixed mold (2) is fixed to the top of the base (1), an air cylinder (4) is arranged on one side of the fixed mold (2), a connecting seat (401) is fixedly mounted on the surface of the air cylinder (4), the connecting seat (401) is fixedly connected to the top of the base (1), the air cylinder (4) is fixed to the top of the base (1), a movable mold (3) is fixed to the output end of the air cylinder (4), an opening (5) is formed between the movable mold (3) and the fixed mold (2), the opening (5) penetrates through the top of the base (1), a turnover blanking device is mounted at the bottom of the base (1), the turnover blanking device automatically turns upwards to receive products during demolding and automatically turns over the received products during the next injection molding, the received products are safely discharged, a blanking device is mounted below the base (1), and the products turned over and discharged from the turnover blanking device are conveyed and recovered;

the overturning and blanking device comprises two fixed disks (10), the two fixed disks (10) are fixed at the bottom of the base (1), a first rotating roller (11) is rotatably arranged between the opposite sides, two ends of the first rotating roller (11) are respectively rotatably provided with a connecting plate (12), a turnover linkage device is arranged between the two connecting plates (12) and the movable mould (3), the other ends of the two connecting plates (12) are jointly rotatably provided with a second rotating roller (13), a transmission linkage device is arranged between the second rotating roller (13) and the base (1), the second rotating roller (13) and the outer ring of the first rotating roller (11) are jointly connected with a first conveying belt (14), a baffle plate (23) is fixed on the top of the first conveyor belt (14), the baffle plate (23) and the connecting plate (12) are connected with each other through a sliding structure, a plurality of springs (25) are fixed on one side of the baffle plate (23) facing the fixed disc (10) in an array manner, the edge of one side of the baffle plate (23) back to the first conveyor belt (14) is hinged with a turnover plate (24), the tops of all the springs (25) are fixedly connected with the side wall of the turnover plate (24), an arc-shaped inclined plane is arranged at the edge of one side of the turnover plate (24) facing the first conveyor belt (14), and the arc-shaped inclined plane is matched with the end part of the first conveyor belt (14);

upset aggregate unit includes two first racks (6) and two pivot (9), two first rack (6) symmetry is fixed in the both sides of moving die (3), two the below of first rack (6) all is equipped with first gear (7), first gear (7) mesh and rotate the lateral wall of installing in cylinder (4) with first rack (6) mutually, two pivot (9) are fixed in the looks of two connecting plates (12) respectively mutually, two the outer lane of pivot (9) is all rotated the cover and is equipped with arc pole (8), two the inside of locating connecting seat (401) is all inserted in the activity of the top of arc pole (8), the inside of connecting seat (401) is link up and is seted up and supplies gliding passageway (801) of arc pole (8), two the extrados of arc pole (8) all is fixed with second rack (36), second rack (36) mesh with first gear (7).

2. An injection mold for processing plastic products, as claimed in claim 1, characterized in that said transmission linkage comprises two second gears (20), said two second gears (20) are respectively fixed at two ends of the second rotating roller (13), one side of each of said two second rotating rollers (13) is provided with an arc-shaped rack (19), said two arc-shaped racks (19) are respectively engaged with said two second gears (20) and the top of each of said two arc-shaped racks is fixedly connected with the bottom of the base (1).

3. The injection mold for processing the plastic products as recited in claim 1, wherein the sliding structure comprises two first sliding grooves (21), the two first sliding grooves (21) are respectively formed at the tops of the two connecting plates (12), first sliding blocks (22) are respectively slidably inserted into the two first sliding grooves (21), and the tops of the two first sliding blocks (22) are respectively fixedly connected with the two ends of the baffle plate (23).

4. The injection mold for processing the plastic products as claimed in claim 1, wherein the blanking conveying device comprises two brackets (15), the two brackets (15) are respectively fixed on two sides of the bottom of the base (1), third rotating rollers (17) are rotatably mounted at two ends of each of the two brackets (15), a motor (16) is fixed on a side wall of one of the brackets (15) through a screw, an output shaft of the motor (16) penetrates through the brackets (15) and is fixedly connected with a central shaft of one of the third rotating rollers (17), and a second conveying belt (18) is jointly connected with outer rings of the two third rotating rollers (17) in a conveying manner.

5. The injection mold for processing the plastic products as claimed in claim 4, wherein three fixing buttons (27) are fixed on the top of the turning plate (24), the fixing buttons (27) are distributed in an isosceles triangle shape, two of the fixing buttons are symmetrically fixed on the edge of the first conveyor belt (14) close to the first conveyor belt (14), the outer rings of the fixing buttons (27) are sleeved with an elastic plate (26), one side of each of two ends of the elastic plate (26) facing away from the first conveyor belt (14) is fixed with an extension plate (28), the top of each of the two brackets (15) is fixed with a stop block (29), and when the elastic plate (26) moves to the end of the first conveyor belt (14), the extension plate (28) abuts against the top of the stop block (29).

6. The injection mold for processing the plastic products, as recited in claim 1, wherein grooves (33) are symmetrically formed in the bottom of the base (1), a first fixing plate (34) is fixed inside each of the two grooves (33), a fan-shaped corrugated plate (31) is fixed at the bottom of the first fixing plate (34), a second fixing plate (35) is fixed at the bottom of the fan-shaped corrugated plate (31), two ends of the second fixing plate (35) are respectively fixedly connected with the arc-shaped rod (8) and the fixed disk (10), one end of the fan-shaped corrugated plate (31) is rotatably mounted on the edge of the fixed disk (10), a plurality of second sliding blocks (32) are fixed at the other end of the fan-shaped corrugated plate (31), all the second sliding blocks (32) correspond to folds of the fan-shaped corrugated plate (31), a second sliding groove (30) is formed in one side, facing away from the second rack (36), of the arc-shaped rod (8), and all the second sliding blocks (32) are slidably inserted into the inside of the second sliding groove (30).

7. An injection molding process of an injection mold for processing plastic products, which is suitable for the injection mold for processing plastic products of any one of claims 1 to 6, and is characterized by comprising the following steps:

step one, injection molding of plastic products: after the movable mould (3) is pushed, the movable mould is matched with the fixed mould (2) for mould closing, then the plastic product is subjected to injection molding, and after the plastic product is subjected to injection molding, the movable mould (3) moves to drive the product to be demoulded;

step two, turning and blanking the molded plastic product: the demolded product falls along the opening (5), the turnover discharging device is driven to support the product in the demolding process of the movable mold (3), and the turnover discharging device is turned over to convey the product slowly downwards in the movable mold closing process of the movable mold (3), so that the product falls above the discharging conveying device;

step three, recycling the plastic product: after being conveyed to the blanking conveying device, the plastic products are sequentially conveyed and recovered under the transmission action of the blanking conveying device.