CN219466839U

CN219466839U - Demoulding structure

Info

Publication number: CN219466839U
Application number: CN202320513263.7U
Authority: CN
Inventors: 陈泽; 曹刚; 王林; 曾干; 胡银银
Original assignee: Wuhan Juyamei New Materials Co ltd
Current assignee: Wuhan Juyamei New Materials Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-04
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a demoulding structure, which comprises a processing box and a forming mechanism; a baffle plate is arranged in the processing box; the molding mechanism comprises an upper die, a lower die, a demolding part and a driving part; the upper die comprises a connecting frame; the connecting frame is arranged above the partition plate, and the tail end of the connecting frame penetrates through the partition plate and extends to the bottom in the processing box; the lower die is arranged on the partition plate, and a die cavity is formed in the lower die; the demolding part is arranged below the partition plate and is positioned above the tail end of the connecting frame; the jacking end of the demolding part is movably connected in the mold cavity. The problem of among the prior art lower mould when the drawing of patterns, because forming die presses comparatively compactly in the chamber, adopt the mode of upset mould to carry out the drawing of patterns, lead to drawing of patterns inefficiency, after forming die falls on subaerial simultaneously, cause the damage to the mould surface easily to product quality's technical problem has been reduced.

Description

Demoulding structure

Technical Field

The utility model relates to the technical field of demolding equipment, in particular to a demolding structure.

Background

The plastic mould is a tool matched with a plastic forming machine in the plastic processing industry and endows plastic products with complete configuration and accurate size, and because the plastic varieties and the processing methods are various, the structures of the plastic forming machine and the plastic products are also various, the plastic mould has various varieties and structures, and the mould convex, concave and auxiliary forming systems are in coordinated change, so that series plastic parts with different shapes and different sizes can be processed;

in China utility model CN217021322U, an automatic demoulding device for injection moulding of MINI upper shell plastic products is proposed; the device can realize the effect of mechanical automatic demolding, mainly comprises the steps of turning over a lower mold in the demolding process, so that materials in the mold drop downwards under the action of gravity, and the demolding effect is achieved; however, after injection molding, the plastic mold in the existing market is compact in pressure in the mold cavity, and the material is free to fall through overturning the mold, so that demolding is difficult, the surface of the material is easy to damage in the falling process, the product quality is intangibly reduced, and therefore, the demolding structure is provided.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a demolding structure, which solves the technical problems that in the prior art, the lower mold is tightly pressed in a cavity when being demolded, the demolding is performed in a turnover mold mode, so that the demolding efficiency is low, and the surface of the lower mold is easy to damage after the lower mold falls on the ground, so that the product quality is reduced.

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

a demoulding structure comprises a processing box and a forming mechanism;

a baffle plate is arranged in the processing box;

the molding mechanism comprises an upper die, a lower die, a demolding part and a driving part; the upper die comprises a connecting frame; the connecting frame is arranged above the partition plate, and the tail end of the connecting frame penetrates through the partition plate and extends to the bottom in the processing box; the lower die is arranged on the partition plate, and a die cavity is formed in the lower die; the demolding part is arranged below the partition plate and is positioned above the tail end of the connecting frame; the jacking end of the demolding part is movably connected in the mold cavity; the driving part is arranged in the processing box and is used for driving the connecting frame to lift; when the driving part drives the connecting frame to move downwards, the upper die and the lower die are matched for compression molding; when the driving part drives the connecting frame to move upwards, the tail end of the connecting frame drives the demolding part to move upwards and jack up the materials in the lower die.

In a specific embodiment, tooth grooves are formed in two sides of the connecting frame, and the output end of the driving part is meshed with the tooth grooves.

In a specific embodiment, a pressing plate matched with the die cavity is fixed on one surface of the connecting frame facing the lower die.

In a specific embodiment, the connection frame is an n-type frame; and the tail end of the connecting frame is fixedly provided with a lifting plate matched with the demolding part.

In a specific embodiment, the demolding part comprises a spring column, a transverse plate and a plurality of jacking plates; the spring columns are connected to the lower ends of the partition plates and are positioned on two sides of the lower die; the tail end of the spring column is connected with the transverse plate; the jacking plates are connected to the transverse plates, and one ends of the jacking plates, which are far away from the transverse plates, extend into the die grooves of the lower die.

In a specific embodiment, the partition plate is provided with a through hole for lifting the connecting frame.

In a specific embodiment, the driving part comprises a motor, a rotating shaft and a driving gear; the motor set up in the processing case back, pivot axial one end is connected on the output of motor, pivot axial other end extends to in the processing case, drive gear fixes in the pivot, drive gear's outer peripheral face with the tooth's socket meshing.

In a specific embodiment, the number of tooth slots is two; and an auxiliary part is meshed with one end, far away from the driving part, of the connecting frame.

In a specific embodiment, the auxiliary part comprises a rotating rod and an auxiliary gear; the rotary rod is rotatably connected in the processing box, the auxiliary gear is fixed on the rotary rod, and the tooth grooves are meshed with the outer peripheral surface of the auxiliary gear.

In a specific embodiment, the upper end of the processing box is of a hollow structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. compared with the prior art, the connecting frame is driven by the driving part to move up and down in the processing box, and when the driving part drives the connecting frame to move down, the connecting frame is matched with the lower die, so that materials in the die slot are compacted and formed, and the processing is completed; when follow-up needs the drawing of patterns, then by the whole connecting frame upward movement of drive portion drive to keep away from the bed die, when the connecting frame upward movement, be located the part of baffle below, also synchronous upward movement, and extrusion drawing of patterns portion, make the jacking end of drawing of patterns portion upwards move in the die cavity, and the jacking material, make it accomplish the drawing of patterns, make things convenient for the staff to take out the mould that processes, very big improvement the drawing of patterns effect of the device, avoid the mould surface to receive the collision simultaneously, lead to product quality to appear the problem.

Drawings

FIG. 1 is a top view of the molding mechanism of the present utility model;

FIG. 2 is a schematic view of the internal structure of the processing box in the present utility model;

FIG. 3 is a schematic view of the internal structure of the lower die of the utility model;

FIG. 4 is a schematic view of the structure of the demolding part in the present utility model;

fig. 5 is a schematic front view of the present utility model.

In the figure: 1. a processing box; 11. a partition plate; 2. a forming mechanism; 21. an upper die; 211. a connection frame; 2111. tooth slots; 212. a pressing plate; 213. a lifting plate; 22. a lower die; 23. a demolding part; 231. a spring post; 232. a cross plate; 233. a jacking plate; 24. a driving section; 241. a motor; 242. a rotating shaft; 243. a drive gear; 25. an auxiliary part; 251. a rotating lever; 252. an auxiliary gear.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, the demolding structure provided by the utility model comprises a processing box 1 and a forming mechanism 2;

a baffle 11 is arranged in the processing box 1;

the molding mechanism 2 includes an upper die 21, a lower die 22, a demolding portion 23, and a driving portion 24; the upper mold 21 includes a connection frame 211; the connecting frame 211 is arranged above the partition plate 11, and the tail end of the connecting frame 211 penetrates through the partition plate 11 and extends to the bottom in the processing box 1; the lower die 22 is arranged on the partition plate 11, and a die cavity is formed in the lower die 22; the demoulding part 23 is arranged below the partition plate 11 and above the tail end of the connecting frame 211; the jacking end of the demoulding part 23 is movably connected in the mould groove; the driving part 24 is installed in the processing box 1 and used for driving the connecting frame 211 to lift; when the driving part 24 drives the connection frame 211 to move downwards, the upper die 21 and the lower die 22 cooperate to perform compression molding; when the driving part 24 drives the connecting frame 211 to move upwards, the tail end of the connecting frame 211 drives the demoulding part 23 to move upwards and lift the material in the lower mould 22.

The driving part 24 drives the whole connecting frame 211 to move downwards, one end of the connecting frame 211 extends into a die cavity of the lower die 22, the die is pressed and molded, when the die is needed to be removed after molding, the driving part 24 controls the connecting frame 211 to move upwards, when one end of the connecting frame 211 positioned below the partition plate 11 moves upwards, the demolding part 23 is extruded to move upwards, so that the lifting end of the demolding part 23 positioned in the die cavity moves upwards synchronously, the effect of demolding materials in the lower die 22 is achieved, a worker can conveniently and quickly take out the die, the lower die 22 does not need to be overturned, and the product quality of the die is ensured.

In order to improve the lifting efficiency of the connection frame 211, referring to fig. 1, 2 and 5, in a preferred embodiment, tooth slots 2111 are formed on two sides of the connection frame 211, an output end of the driving portion 24 is engaged with the tooth slots 2111, a pressing plate 212 matched with the mold cavity is fixed on a surface of the connection frame 211 facing the lower mold 22, a through hole for lifting the connection frame 211 is formed on the partition 11, and the driving portion 24 includes a motor 241, a rotating shaft 242 and a driving gear 243; the motor 241 is arranged on the back of the processing box 1, one axial end of the rotating shaft 242 is connected to the output end of the motor 241, the axial other end of the rotating shaft 242 extends into the processing box 1, the driving gear 243 is fixed on the rotating shaft 242, the outer peripheral surface of the driving gear 243 is meshed with the tooth grooves 2111, and the number of the tooth grooves 2111 is two; an auxiliary part 25 is meshed with the connecting frame 211 at one end far away from the driving part 24, and the auxiliary part 25 comprises a rotating rod 251 and an auxiliary gear 252; the rotating lever 251 is rotatably connected to the inside of the processing box 1, the auxiliary gear 252 is fixed to the rotating lever 251, and the tooth grooves 2111 are engaged with the outer peripheral surface of the auxiliary gear 252.

The two sides of the top of the connection frame 211 are provided with tooth grooves 2111, a driving gear 243 is arranged on the left side of the processing box 1, an auxiliary gear 252 is arranged on the right side of the processing box 1, the driving gear 243 is connected with a motor 241 through a rotating shaft 242, the auxiliary gear 252 is connected to a rotating rod 251, the rotating rod 251 is rotationally connected to the right side of the processing box 1, the rotating shaft 242 is driven to rotate clockwise or anticlockwise through the motor 241, and accordingly the driving gear 243 is driven to rotate clockwise or anticlockwise, and the connection frame 211 is further driven to move upwards or downwards; when the connecting frame 211 moves downward, the pressing plate 212 is driven to move into the cavity of the lower die 22, and the internal materials are pressed.

To improve the demolding effect of the demolding portion 23, referring to fig. 1 to 4, in a preferred embodiment, the connection frame 211 is an n-type frame; the end of the connecting frame 211 is fixed with a lifting plate 213 matched with a demoulding part 23, and the demoulding part 23 comprises a spring column 231, a transverse plate 232 and a plurality of lifting plates 233; the spring posts 231 are connected to the lower end of the partition plate 11 and positioned at both sides of the lower mold 22; the end of the spring post 231 is connected with a transverse plate 232; a plurality of jacking plates 233 are connected to the transverse plate 232, one ends of the jacking plates 233 far away from the transverse plate 232 extend into the die cavity of the lower die 22, and the upper end of the processing box 1 is of a hollow structure.

The connecting frame 211 is an n-type frame body, the tail end of the connecting frame 211 penetrates through the partition plate 11 to extend to the bottom in the processing box 1, and is connected with a lifting plate 213, the lifting plate 213 is located below the transverse plate 232 and can push the transverse plate 232 to move upwards, the specific moving mode is that a motor 241 drives a rotating shaft 242 to operate, the rotating shaft 242 drives a driving gear 243 to operate, the driving gear 243 is matched with a tooth groove 2111 to drive the whole connecting frame 211 to move upwards, when the connecting frame 211 moves upwards, the pressing plate 212 is far away from the lower die 22, the lifting plate 213 pushes the transverse plate 232 to squeeze the spring column 231, when the transverse plate 232 moves upwards, the lifting plate 233 located inside the lower die 22 is driven to move upwards synchronously, so that the effect of lifting materials is achieved, a worker can take out the compacted materials from the lower die 22 quickly, the effect of demoulding is achieved quickly, and the upper end of the processing box 1 is hollow, and the upward movement of the connecting frame 211 is convenient.

For a better understanding of the present utility model, the operation of one release structure of the present utility model is described in detail below with reference to fig. 1-5: when in use, a worker injects a material to be processed into a grinding groove of the lower die 22, and starts the motor 241, the motor 241 drives the rotating shaft 242 to rotate, the rotating shaft 242 drives the driving gear 243 to rotate, the driving gear 243 is matched with the tooth grooves 2111 on the connecting frame 211 to drive the connecting frame 211 to move downwards, and in the downward moving process, the rotating rod 251 and the auxiliary gear 252 also synchronously operate; when the connecting frame 211 moves downwards, the pressing plate 212 is driven to move into the die cavity of the lower die 22 and compact materials, the lower end of the connecting frame 211 continuously moves downwards to the partition plate 11 and extends to the bottom of the processing box 1, when the pressing is finished and the die needs to be taken out, the control motor 241 drives the rotating shaft 242 to rotate reversely, the connecting frame 211 is driven to move upwards through the cooperation of the driving gear 243 and the tooth slot 2111, the pressing plate 212 is far away from the lower die 22, the lifting plate 213 starts to push the transverse plate 232 to squeeze the spring column 231, and when the transverse plate 232 moves upwards, the lifting plate 233 positioned in the lower die 22 is driven to synchronously move upwards and lift the compacted materials, so that a worker can conveniently and rapidly take out the die, when the connecting frame 211 is driven to move downwards, and when the transverse plate 213 does not squeeze the lifting plate 232 any more, the transverse plate 232 is driven to reset under the elastic force of the spring column 231, and the lifting plate 233 is driven to retract in the lower die 22.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims

1. A demoulding structure, characterized in that: comprises a processing box and a forming mechanism;

a baffle plate is arranged in the processing box;

2. A mold release structure according to claim 1, wherein: tooth grooves are formed in two sides of the connecting frame, and the output end of the driving part is meshed with the tooth grooves.

3. A mold release structure according to claim 1, wherein: and a pressing plate matched with the die cavity is fixed on one surface of the connecting frame, which faces the lower die.

4. A mold release structure according to claim 1, wherein: the connecting frame is an n-type frame body; and the tail end of the connecting frame is fixedly provided with a lifting plate matched with the demolding part.

5. A mold release structure according to claim 1, wherein: the demoulding part comprises a spring column, a transverse plate and a plurality of jacking plates; the spring columns are connected to the lower ends of the partition plates and are positioned on two sides of the lower die; the tail end of the spring column is connected with the transverse plate; the jacking plates are connected to the transverse plates, and one ends of the jacking plates, which are far away from the transverse plates, extend into the die grooves of the lower die.

6. A mold release structure according to claim 1, wherein: and through holes for lifting the connecting frame are formed in the partition plate.

7. A mold release structure according to claim 2, wherein: the driving part comprises a motor, a rotating shaft and a driving gear; the motor set up in the processing case back, pivot axial one end is connected on the output of motor, pivot axial other end extends to in the processing case, drive gear fixes in the pivot, drive gear's outer peripheral face with the tooth's socket meshing.

8. The release structure of claim 7, wherein: the number of the tooth grooves is two; and an auxiliary part is meshed with one end, far away from the driving part, of the connecting frame.

9. The release structure of claim 8, wherein: the auxiliary part comprises a rotating rod and an auxiliary gear; the rotary rod is rotatably connected in the processing box, the auxiliary gear is fixed on the rotary rod, and the tooth grooves are meshed with the outer peripheral surface of the auxiliary gear.

10. A mold release structure according to claim 1, wherein: the upper end of the processing box is of a hollow structure.