CN211917556U

CN211917556U - Automatic plastic injection mold of drawing of patterns

Info

Publication number: CN211917556U
Application number: CN201922417817.XU
Authority: CN
Inventors: 谭德云
Original assignee: DONGGUAN HUAYING ELECTRONIC PLASTIC CO LTD
Current assignee: DONGGUAN HUAYING ELECTRONIC PLASTIC CO LTD
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-11-13
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses an automatic plastic injection mold of drawing of patterns, including mount, wheel pinion rack and driving motor, bolted connection has the mouth of moulding plastics on the mount, and moulds plastics the mouth card and fix on the cope match-plate pattern, the worm wheel welding is on the connecting axle, and the screw connection has the connecting plate on the connecting axle, bolted connection has driving motor on the mount, and driving motor shaft coupling has the driving shaft, the meshing is connected with the drive belt on the driving shaft, and the meshing is connected with the conveyer belt on the driving shaft, the welding has the circular gear of second on the driving shaft, and the meshing is connected with the circular gear of third on the circular gear of second, the screw connection has the collecting box on the mount. This automatic plastic injection mold of drawing of patterns is provided with the conveyer belt, and when the connecting plate rotated to the conveyer belt on, the driving shaft can drive the conveyer belt through the drive belt and carry out transport work, can carry the shaping article on the conveyer belt to accomplish the drawing of patterns in the collection box and collect, has improved the use high efficiency of mould.

Description

Automatic plastic injection mold of drawing of patterns

Technical Field

The utility model relates to an injection mold technical field specifically is an automatic plastic injection mold of drawing of patterns.

Background

Various tools and products used in daily production and life are not closely related to a die, such as machine body shells of machine tools and shells of buttons and various household appliances, and the types of the dies are different due to different materials, appearances, specifications and purposes of various products.

Most of the existing plastic injection molds have the following problems:

firstly, most plastic injection molds eject the formed product out of the mold when demolding is carried out, and the formed product is collected through a free falling body, so that the formed product is damaged;

second, most of plastic injection mold release is a vertical movement, and when a molded product with an undercut is produced, the undercut of the molded product is damaged by the vertical movement of the mold release.

We have therefore proposed an automatic demolding plastic injection mold in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic plastic injection mold of drawing of patterns to solve the plastic injection mold on the existing market that the above-mentioned background art provided can cause the damage to the shaping article when carrying out the drawing of patterns, and when the production has the shaping article of back-off, the vertical motion is carried out the drawing of patterns and can be caused the problem of damage to the back-off of shaping article.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic injection mold capable of automatically demolding comprises a fixing frame, a toothed plate and a driving motor, wherein an injection port is connected to the fixing frame through a bolt, the injection port is clamped and fixed on an upper template, the upper template is connected to the fixing frame through a screw, an upper mold cavity is connected to the upper template through a bolt, a guide sleeve is welded to the upper template, a guide pillar is connected to the inner portion of the guide sleeve in a clamping mode, the guide pillar is welded to a lower template, a hydraulic rod is connected to the lower template through a bolt, a lower mold cavity is connected to the lower template through a bolt, a back-off ejector rod is clamped and fixed in the lower mold cavity, a sliding block is installed below the back-off ejector rod and clamped and fixed on the fixing frame, the toothed plate is welded to the lower template, a first circular gear is connected to the toothed plate in a meshing mode, the first circular gear is welded to a worm, a worm wheel is fixed to the worm, and the connecting shaft is connected with a connecting plate through screws, the fixing frame is connected with a driving motor through bolts, the driving motor is axially connected with a driving shaft, the driving shaft is connected with a transmission belt in a meshed mode, the driving shaft is connected with a conveying belt in a meshed mode, a second circular gear is welded on the driving shaft, a third circular gear is connected to the second circular gear in a meshed mode, a cooling fan is installed on the third circular gear, and the fixing frame is connected with a collecting box through screws.

Preferably, the height of the back-off ejector rod is greater than that of the lower mold cavity, the back-off ejector rod is hinged with the sliding block, and the back-off ejector rod is combined with the sliding block and the lower mold cavity to form a sliding mechanism.

Preferably, the length of the toothed plate is smaller than the total length between the upper die cavity and the lower die cavity, and the end face of the toothed plate is flush with the end face of the lower die plate.

Preferably, the worm and the worm wheel are in meshed connection, the worm wheel and the connecting plate are located on the same central shaft, and the length of the connecting plate is smaller than the distance from the connecting shaft to the inverted ejector rod.

Preferably, the height of the connecting plate is smaller than that of the bottom end face of the upper die cavity, the bottom end face of the connecting plate is flush with that of the conveying belt, and the length of the connecting plate is larger than the distance from the connecting shaft to the conveying belt.

Preferably, the third circular gear is connected with the cooling fan through a shaft, the third circular gear and the second circular gear are identical in structure, and the cooling fan is fixed in the middle of the conveying belt.

Compared with the prior art, the beneficial effects of the utility model are that: the plastic injection mold capable of automatically demolding;

(1) the die is provided with a back-off ejector rod, the lower die plate drives a lower die cavity to move upwards under the action of a hydraulic rod, an injection port performs injection molding on an upper die cavity and the lower die cavity through an upper die plate, a back-off is formed under the action of the back-off ejector rod, then the lower die cavity moves downwards, the back-off ejector rod can move rightwards in the lower die cavity through a sliding block, the molding back-off is separated from the back-off ejector rod, a molded product can be ejected out, the damage to the molding back-off during demolding can be effectively prevented, and the use diversity of the die is increased;

(2) the die is provided with the connecting plate, when the lower die plate moves downwards, the first circular gear can drive the worm gear to rotate through the worm under the action of the toothed plate, the connecting plate can rotate into the lower die cavity through the connecting shaft, a formed product on the inverted ejector rod is pushed into the connecting plate, demolding in the horizontal direction can effectively prevent the formed product from being damaged, and the use safety of the die is improved;

(3) this mould is provided with the conveyer belt, and when the connecting plate rotated to the conveyer belt on, under driving motor's effect, the driving shaft can drive the conveyer belt through the drive belt and carry out the work of carrying, can carry the shaping article on the conveyer belt to accomplish the drawing of patterns in the collecting box and collect, has improved the use high efficiency of mould.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the inverted ejector pin of the present invention;

fig. 3 is a schematic view of a top view structure of the conveyor belt of the present invention;

fig. 4 is a schematic diagram of the side view structure of the connection board of the present invention.

In the figure: 1. a fixed mount; 2. an injection molding port; 3. mounting a template; 4. an upper die cavity; 5. a guide sleeve; 6. a guide post; 7. a lower template; 8. a hydraulic lever; 9. a lower mold cavity; 10. reversely buckling the ejector rod; 11. a slider; 12. a toothed plate; 13. a first circular gear; 14. a worm; 15. a worm gear; 16. a connecting shaft; 17. a connecting plate; 18. a drive motor; 19. a drive shaft; 20. a transmission belt; 21. a conveyor belt; 22. a second circular gear; 23. a third circular gear; 24. a cooling fan; 25. and a collection box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a plastic injection mold capable of realizing automatic demolding comprises a fixing frame 1, an injection molding opening 2, an upper template 3, an upper mold cavity 4, a guide sleeve 5, a guide post 6, a lower template 7, a hydraulic rod 8, a lower mold cavity 9, a back-off ejector rod 10, a sliding block 11, a gear tooth plate 12, a first circular gear 13, a worm 14, a worm gear 15, a connecting shaft 16, a connecting plate 17, a driving motor 18, a driving shaft 19, a driving belt 20, a conveying belt 21, a second circular gear 22, a third circular gear 23, a cooling fan 24 and a collecting box 25, wherein the injection molding opening 2 is connected to the fixing frame 1 through a bolt, the injection molding opening 2 is clamped and fixed on the upper template 3, the upper template 3 is connected to the fixing frame 1 through a bolt, the upper mold cavity 4 is connected to the upper template 3 through the guide sleeve 5, the guide post 6 is connected to the guide sleeve 5 through the clamp, the guide post 6 is welded to the lower template 7, a lower die cavity 9 is connected on the lower die plate 7 through a bolt, a back-off mandril 10 is clamped and fixed in the lower die cavity 9, a slide block 11 is installed below the back-off mandril 10, the slide block 11 is clamped and fixed on the fixed frame 1, a toothed plate 12 is welded on the lower die plate 7, a first circular gear 13 is meshed and connected on the toothed plate 12, the first circular gear 13 is welded on a worm 14, a worm wheel 15 is fixed on the worm 14, the worm wheel 15 is welded on a connecting shaft 16, a connecting plate 17 is connected on the connecting shaft 16 through a bolt, a driving motor 18 is connected on the fixed frame 1 through a bolt, a driving shaft 19 is connected on the driving motor 18 through a shaft, a driving belt 20 is meshed and connected on the driving shaft 19, a conveying belt 21 is meshed and connected on the driving shaft 19, a second circular gear 22 is welded on the driving shaft 19, a third circular gear 23 is meshed and connected on the second circular gear 22, the fixed frame 1 is connected with a collecting box 25 by screws.

The height of back-off ejector pin 10 is greater than the height of lower mould cavity 9, and is articulated between back-off ejector pin 10 and the slider 11 to back-off ejector pin 10 combines slider 11 and lower mould cavity 9 to constitute slide mechanism, can guarantee the stability of back-off ejector pin 10 work effect in lower mould cavity 9, has increased the use variety of mould.

The length of the pinion rack 12 is less than the total length between the upper mold cavity 4 and the lower mold cavity 9, and the end surface of the pinion rack 12 is flush with the end surface of the lower mold plate 7, so that the adverse effect of the pinion rack 12 on the lower mold cavity 9 can be effectively avoided.

For the meshing connection between worm 14 and the worm wheel 15, and worm wheel 15 and connecting plate 17 are located same center pin to connecting plate 17's length is less than connecting axle 16 to back-off ejector pin 10's distance, can guarantee the stability of connection state between worm 14 and the worm wheel 15, has increased the use variety of mould.

The height of connecting plate 17 is less than the height of last mould cavity 4 bottom face, and the bottom face of connecting plate 17 and the bottom face parallel and level of conveyer belt 21 to the length of connecting plate 17 is greater than the distance of connecting axle 16 to conveyer belt 21, can guarantee the stability of connecting plate 17 work effect on connecting axle 16, has improved the use high efficiency of mould.

The third circular gear 23 is connected with the cooling fan 24 through a shaft, the third circular gear 23 and the second circular gear 22 are identical in structure, the cooling fan 24 is fixed in the middle of the conveying belt 21, the working state of the mold can be normally controlled, and the mold can be conveniently controlled to work.

The working principle is as follows: before the plastic injection mold capable of automatically demolding is used, the overall condition of the mold needs to be checked firstly, and normal work can be determined;

under the action of a hydraulic rod 8, with reference to fig. 1 and 2, a lower die cavity 9 is driven by a lower die plate 7 to move upwards, an upper die cavity 4 and the lower die cavity 9 are subjected to injection molding by an injection molding opening 2 through an upper die plate 3, an inverted buckle is formed under the action of an inverted buckle ejector rod 10, then the lower die cavity 9 moves downwards, the inverted buckle ejector rod 10 can move rightwards in the lower die cavity 9 through a sliding block 11, the molded inverted buckle is separated from the inverted buckle ejector rod 10, and a molded product can be ejected out at the same time;

when the lower die plate 7 moves downwards, with reference to fig. 4, under the action of the toothed plate 12, the first circular gear 13 can drive the worm gear 15 to rotate through the worm 14, and then the connecting plate 17 can be rotated into the lower die cavity 9 through the connecting shaft 16, a molded product on the back-off ejector rod 10 is pushed into the connecting plate 17, and then when the lower die plate 7 moves upwards, under the action of the toothed plate 12, the connecting shaft 16 can enable the connecting plate 17 to rotate in the reverse direction, and the connecting plate 17 can be rotated onto the conveying belt 21.

When the connecting plate 17 rotates to the conveyer belt 21, referring to fig. 3, under the action of the driving motor 18, the driving shaft 19 can drive the conveyer belt 21 to perform conveying work through the driving belt 20, and can convey the formed product on the conveyer belt 21 to the collecting box 25 to complete demoulding collection, and under the action of the driving shaft 19, the second circular gear 22 can drive the cooling fan 24 to rotate through the third circular gear 23, and can perform cooling work on the formed product on the conveyer belt 21, which is the work process of the whole mold.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automatic plastic injection mold of drawing of patterns, includes mount (1), teeth of a cogwheel board (12) and driving motor (18), its characterized in that: the injection molding device is characterized in that an injection molding port (2) is connected to the fixing frame (1) through a bolt, the injection molding port (2) is clamped and fixed on the upper template (3), the upper template (3) is connected to the fixing frame (1) through a screw, an upper mold cavity (4) is connected to the upper template (3) through a bolt, a guide sleeve (5) is welded to the upper template (3), a guide pillar (6) is connected to the guide sleeve (5) in a clamping manner, the guide pillar (6) is welded to the lower template (7), a hydraulic rod (8) is connected to the lower template (7) through a bolt, a lower mold cavity (9) is connected to the lower template (7) through a bolt, a back-off ejector rod (10) is clamped and fixed in the lower mold cavity (9), a sliding block (11) is installed below the back-off ejector rod (10), the sliding block (11) is clamped and fixed on the fixing frame (1), and a wheel toothed plate, and a first circular gear (13) is engaged and connected on the gear tooth plate (12), the first circular gear (13) is welded on the worm (14), and a worm wheel (15) is fixed on the worm (14), the worm wheel (15) is welded on the connecting shaft (16), a connecting plate (17) is connected on the connecting shaft (16) through a screw, a driving motor (18) is connected on the fixed frame (1) through a bolt, and the driving motor (18) is in shaft connection with a driving shaft (19), the driving shaft (19) is in meshing connection with a transmission belt (20), a conveying belt (21) is meshed and connected on the driving shaft (19), a second circular gear (22) is welded on the driving shaft (19), and a third circular gear (23) is engaged and connected on the second circular gear (22), and a cooling fan (24) is arranged on the third circular gear (23), and a collecting box (25) is connected to the fixing frame (1) through screws.

2. The automatic demolding plastic injection mold as claimed in claim 1, wherein: the height of the back-off ejector rod (10) is greater than that of the lower mold cavity (9), the back-off ejector rod (10) is hinged with the sliding block (11), and the back-off ejector rod (10) is combined with the sliding block (11) and the lower mold cavity (9) to form a sliding mechanism.

3. The automatic demolding plastic injection mold as claimed in claim 1, wherein: the length of the toothed plate (12) is smaller than the total length between the upper die cavity (4) and the lower die cavity (9), and the end face of the toothed plate (12) is flush with the end face of the lower die plate (7).

4. The automatic demolding plastic injection mold as claimed in claim 1, wherein: the worm (14) is in meshed connection with the worm wheel (15), the worm wheel (15) and the connecting plate (17) are located on the same central shaft, and the length of the connecting plate (17) is smaller than the distance from the connecting shaft (16) to the inverted ejector rod (10).

5. The automatic demolding plastic injection mold as claimed in claim 1, wherein: the height of the connecting plate (17) is smaller than that of the bottom end face of the upper die cavity (4), the bottom end face of the connecting plate (17) is flush with the bottom end face of the conveying belt (21), and the length of the connecting plate (17) is larger than the distance from the connecting shaft (16) to the conveying belt (21).

6. The automatic demolding plastic injection mold as claimed in claim 1, wherein: the third circular gear (23) is connected with the cooling fan (24) through a shaft, the third circular gear (23) and the second circular gear (22) are identical in structure, and the cooling fan (24) is fixed in the middle of the conveying belt (21).