CN210283050U

CN210283050U - Demoulding device for injection mould

Info

Publication number: CN210283050U
Application number: CN201920881821.9U
Authority: CN
Inventors: 莫天根
Original assignee: Dongguan Baihao Plastic Hardware Technology Co Ltd
Current assignee: Dongguan Baihao Plastic Hardware Technology Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-10
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a shedder for injection mold, the on-line screen storage device comprises a base, the bottom inner wall of base is provided with the lower bolster, and the bottom inner wall of the top outer wall of lower bolster and base opens the communicating cover hole that changes that has ten to twelve even symmetric distributions, and the side inner wall that changes the cover hole all is connected with through the bearing and changes the cover, changes the inside of cover and is provided with ejector mechanism, changes the side outer wall that the cover is located the base below and is provided with the drawing of patterns gear, the below of base is provided with the limiting plate, and bottom outer wall one side of limiting plate is provided with the motor, and the output shaft of motor has drive gear through the key-type connection, and drive gear's side outer wall and the side outer. The utility model discloses can carry out the drawing of patterns to a plurality of lower module simultaneously, improve the efficiency of bottle lid production, improve the stability of drawing of patterns, increase the lifting surface area of bottle lid, prevent that the bottle lid from damaging, security when having improved the drawing of patterns.

Description

Demoulding device for injection mould

Technical Field

The utility model relates to an injection mold membrane technical field especially relates to a shedder for injection mold.

Background

Plastic bottle caps are generally produced by injection molding, and after injection molding, the plastic bottle caps are generally subjected to demolding by a demolding device.

Through retrieval, chinese patent application No. CN201720241435.4 discloses an internal thread injection mold demoulding structure and an internal thread injection mold, including a threaded shaft, a motor, a transmission mechanism and a first limiting member, the first limiting member is connected with the threaded shaft, and the threaded shaft is used for injecting threads. An internal thread injection mold demoulding structure and internal thread injection mold in above-mentioned patent exist following not enough: this injection mold demoulding structure and internal thread injection mold can only carry out single product when moulding plastics and drawing of patterns and mould plastics and drawing of patterns, lead to plastics bottle lid production efficiency low then.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a demoulding device for an injection mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a shedder for injection mold, includes the base, the bottom inner wall of base is provided with the lower bolster, and the bottom inner wall of the top outer wall of lower bolster and base opens and have ten to twelve communicating commentaries on classics cover holes of even symmetric distribution, and the side inner wall in commentaries on classics cover hole all is connected with through the bearing and changes the cover, and the inside of changeing the cover is provided with ejector half mechanism, changes the side outer wall that the cover is located the base below and is provided with the drawing of patterns gear, the below of base is provided with the limiting plate, and bottom outer wall one side of limiting plate is provided with the motor, and the output shaft of motor has drive gear through the key-type connection, and drive gear's.

Furthermore, the mold pushing mechanism comprises a threaded rod connected to the inner wall of the side face of the rotary sleeve through threads, and a limiting rod is arranged on the outer wall of the bottom of the threaded rod.

Furthermore, the outer wall of the top of the limiting plate is provided with a limiting hole corresponding to the limiting rod, and the limiting rod is inserted into the inner wall of the side face of the limiting hole.

Furthermore, the side outer wall of the limiting rod is provided with a limiting groove, and the side inner wall of the limiting hole is provided with a limiting block matched with the limiting groove.

Furthermore, the outer wall of the top of the threaded rod is connected with two pushing blocks through a hinge, the outer wall of the side face of each pushing block is provided with a lower module, and a circular truncated cone-shaped pushing block groove matched with the pushing blocks is formed in the lower module.

Furthermore, spring grooves are formed in the outer wall of one side, opposite to the push block, of the two push blocks, and the inner wall of one side, opposite to the two spring grooves, of the two push blocks is provided with the same extrusion spring.

Furthermore, a push rod groove is formed in one side of the outer wall of the top of the base, a pressure sensor is arranged on the inner wall of the bottom of the push rod groove, and a pressing plate is arranged on the outer wall of the top of the pressure sensor.

Furthermore, the outer wall of the top of the pressing plate is provided with a pushing spring, the outer wall of the top of the pushing spring is provided with a baffle, and the outer wall of the top of the baffle is provided with a push rod matched with the push rod groove.

The utility model has the advantages that:

1. by arranging the lower modules and arranging the lower modules on the lower template, when demoulding is carried out, the lower modules can be demoulded simultaneously through the transmission of the gear belt, so that the production efficiency of the bottle cap is improved;

2. the lower module is provided with the push block, and the push block is arranged in the lower module, so that when the lower module rotates to push the bottle cap, the threaded rod is driven to move through thread transmission to enable the push block to move upwards, the bottle cap is pushed up by matching with the rotation of the lower module, and the stability of demolding is improved;

3. the push blocks are connected through the extrusion spring, when the push blocks are pushed out, the extrusion spring can enable the two push blocks to be opened, so that the stress area of the bottle cap is increased, and the bottle cap is prevented from being damaged;

4. through setting up the push rod, releasing spring and pressure sensor, when the cope match-plate pattern was not lifted up completely, the cope match-plate pattern can extrude the push rod to exert pressure to pressure sensor through releasing the spring, the motor can't rotate the drawing of patterns this moment, security when having improved the drawing of patterns.

Drawings

Fig. 1 is a schematic view of the entire configuration of a mold release device for an injection mold according to embodiment 1;

FIG. 2 is a schematic view of a lower mold block of a demolding device for an injection mold according to embodiment 1;

fig. 3 is a schematic view of a structure of a pusher groove of a demolding device for an injection mold according to embodiment 2.

In the figure: 1-base, 2-limiting rod, 3-limiting groove, 4-motor, 5-limiting plate, 6-demoulding gear, 7-lower module, 8-gear belt, 9-lower template, 10-extrusion spring, 11-push block, 12-rotating sleeve, 13-threaded rod, 14-limiting block, 15-pressure sensor, 16-pressure plate, 17-push spring, 18-baffle, 19-push rod and 20-push rod groove.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-2, a shedder for injection mold, including base 1, there is lower bolster 9 bottom inner wall of base 1 through bolted connection, and the communicating cover hole that changes of ten to twelve even symmetric distributions is opened to the top outer wall of lower bolster 9 and the bottom inner wall of base 1, the side inner wall that changes the cover hole all is connected with changes cover 12 through the bearing, the inside that changes cover 12 is provided with ejector half mechanism, it has drawing of patterns gear 6 to change the side outer wall welding that cover 12 is located base 1 below, base 1's below is provided with limiting plate 5, and there is motor 4 bottom outer wall one side of limiting plate 5 through bolted connection, motor 4's output shaft has drive gear through the key-type connection, same toothed belt 8 has been cup jointed to drive gear's side outer wall and drawing of patterns gear 6's side outer.

The utility model discloses in, mold pushing mechanism includes threaded rod 13 through threaded connection in the 12 side inner walls of commentaries on classics cover, and threaded rod 13's bottom outer wall welding has gag lever post 2, and the top outer wall that lower bolster 9 is located threaded rod 13 top is provided with lower module 7.

Wherein, the top outer wall of limiting plate 5 is opened has the spacing hole corresponding with gag lever post 2, and gag lever post 2 pegs graft in the side inner wall in spacing hole.

Wherein, the side outer wall of gag lever post 2 is opened there is spacing groove 3, and the side inner wall in spacing hole is provided with spacing 14 with spacing groove 3 looks adaptation.

The outer wall of the top of the threaded rod 13 is connected with two push blocks 11 through hinges, the outer wall of the side face of each push block 11 is provided with a lower module 7, and a circular truncated cone-shaped push block groove matched with the push blocks 11 is formed in the lower module 7.

Wherein, the spring groove has all been opened to the relative one side outer wall of two ejector pads 11, and the welding of the relative one side inner wall in two spring grooves has same extrusion spring 10.

The working principle is as follows: when needs drawing of patterns, motor 4 rotates and drives drawing of patterns gear 6 through gear belt 8 and rotates, drive module 7 down then and rotate, screw-thread fit through between module 7 and the bottle lid down makes the bottle lid drop from module 7 down, change cover 12 simultaneously and rotate and drive threaded rod 13 rebound, drive ejector pad 11 rebound then, extrusion spring 10 can promote two ejector pads 11 and remove to both sides simultaneously, the lifting surface area of increase bottle lid, screw transmission between module 7 and the bottle lid is demoulded the bottle lid down in the cooperation then.

Example 2:

referring to fig. 3, compared with embodiment 1, in order to prevent the bottle cap from being damaged by pushing out the bottle cap by the rotation of the motor 4 when the upper mold is not completely lifted, a push rod groove 20 is formed in one side of the outer wall of the top of the base 1, a pressure sensor 15 is connected to the inner wall of the bottom of the push rod groove 20 through a screw, a pressing plate 16 is connected to the outer wall of the top of the pressure sensor 15 through a screw, a push spring 17 is welded to the outer wall of the top of the pressing plate 16, a baffle 18 is welded to the outer wall of the top of the push spring 17, and a push rod 19 matched with the push rod groove 20 is welded to the outer wall.

The working principle is as follows: compared with the embodiment 1, when the upper template and the lower template 9 are combined, the push rod 19 is pressed into the push rod groove 20 by the upper die, the pressing plate 16 is pushed to be pressed on the pressure sensor 15 by the elastic force of the push-out spring 17, the pressure sensor 15 is stressed at the moment, the motor 4 cannot rotate, after the upper template is completely lifted, the push rod 19 pops up, the pressure sensor 15 only bears the action of gravity at the moment, the motor 4 can rotate at the moment, and then demolding is carried out.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A demoulding device for an injection mould comprises a base (1) and is characterized in that a lower template (9) is arranged on the inner wall of the bottom of the base (1), ten to twelve communicated rotary sleeve holes which are uniformly and symmetrically distributed are formed in the outer wall of the top of the lower template (9) and the inner wall of the bottom of the base (1), the inner walls of the side surfaces of the rotary sleeve holes are connected with rotary sleeves (12) through bearings, a mold pushing mechanism is arranged inside the rotary sleeves (12), a demolding gear (6) is arranged on the outer wall of the side surface of the rotary sleeves (12) which is positioned below the base (1), a limiting plate (5) is arranged below the base (1), and one side of the outer wall of the bottom of the limiting plate (5) is provided with a motor (4), an output shaft of the motor (4) is connected with a driving gear through a key, and the outer wall of the side face of the driving gear and the outer wall of the side face of the demoulding gear (6) are sleeved with the same gear belt (8).

2. The demolding device for the injection mold, as recited in claim 1, wherein the mold pushing mechanism comprises a threaded rod (13) connected to the inner wall of the side surface of the rotating sleeve (12) through threads, and the outer wall of the bottom of the threaded rod (13) is provided with a limiting rod (2).

3. The demolding device for the injection mold as claimed in claim 2, wherein the top outer wall of the limiting plate (5) is provided with a limiting hole corresponding to the limiting rod (2), and the limiting rod (2) is inserted into the side inner wall of the limiting hole.

4. The demolding device for the injection mold as claimed in claim 3, wherein the outer side wall of the limiting rod (2) is provided with a limiting groove (3), and the inner side wall of the limiting hole is provided with a limiting block (14) matched with the limiting groove (3).

5. The demolding device for the injection mold, as recited in claim 2, wherein the top outer wall of the threaded rod (13) is connected with two pushing blocks (11) through a hinge, the side outer wall of the pushing block (11) is provided with a lower mold block (7), and the lower mold block (7) is internally provided with a circular truncated cone-shaped pushing block groove matched with the pushing block (11).

6. The demolding device for the injection mold as recited in claim 5, wherein the outer wall of one side opposite to the two pushing blocks (11) is provided with a spring groove, and the inner wall of one side opposite to the two spring grooves is provided with the same extrusion spring (10).

7. The demolding device for the injection mold, as recited in claim 1, wherein a push rod groove (20) is formed on one side of the top outer wall of the base (1), a pressure sensor (15) is arranged on the bottom inner wall of the push rod groove (20), and a pressure plate (16) is arranged on the top outer wall of the pressure sensor (15).

8. The demolding device for the injection mold, as recited in claim 7, wherein the top outer wall of the pressure plate (16) is provided with an ejecting spring (17), the top outer wall of the ejecting spring (17) is provided with a baffle plate (18), and the top outer wall of the baffle plate (18) is provided with a push rod (19) matched with the push rod groove (20).