CN216606994U

CN216606994U - All-round ejection mechanism of mould forming part

Info

Publication number: CN216606994U
Application number: CN202122886757.3U
Authority: CN
Inventors: 朱少孟
Original assignee: Shanghai Chongjing Precision Mould Co ltd
Current assignee: Shanghai Chongjing Precision Mould Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-27
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an omnibearing ejection mechanism for a mould forming part, which relates to the technical field of model processing and comprises a main body module, wherein the main body module comprises an equipment main body and a lower mould, the lower mould is arranged at the top of the equipment main body, an ejection module is arranged at the inner side of the equipment main body, the ejection module comprises ejection columns, the ejection columns are mutually arranged at the bottom of the lower mould at intervals, the lengths of the ejection columns are gradually shortened from the outer side to the inner side, the ejection module is used for gradually ejecting and separating the bottom of a mould in the lower mould from the outer side to the inner side through the ejection columns, in the utility model, the omnibearing ejection mechanism for the mould forming part is used for gradually separating the bottom of the mould and the bottom of the inner side of the lower mould from the outer side to the inner side by gradually pushing the mould from the outer side to the inner side, so that the outer side of the bottom of the mould is preferentially separated, and the additional pressure generated when the top of the mould is reduced, the occurrence of the damage of the ejection model is reduced.

Description

All-round ejection mechanism of mould forming part

Technical Field

The utility model relates to the technical field of model processing, in particular to an omnibearing ejection mechanism for a mold forming part.

Background

When the mold is taken out after molding, a thimble or a top plate is usually adopted to push the mold out of the mold cavity, so that the taking-out operation is completed;

when the ejector pins are used for ejection operation, the ejector pins are usually arranged at the relative middle positions, so that the ejector pins apply force to and extrude the model, and the mold is ejected out, however, the side wall of the model is usually limited by the side wall of the inner side of the mold cavity, when single-point ejector pin operation is performed, the stress point of the model is single, the inner side of the mold cavity generates unbalanced pulling force on the side wall of the model, and the side wall of the model is easy to fall off;

the part ejection mechanism adopts the top plate to improve the stress range of the ejection of the model and reduce the stress deformation condition of the ejection of the model, but when the contact part at the bottom of the top plate and the model is separated, the separation needs to be carried out by other forces, and meanwhile, the damage caused by the large-area separation cannot be effectively reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an omnibearing ejection mechanism for a mold forming part, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an omnibearing ejection mechanism for a mold forming part comprises a main body module, wherein the main body module comprises an equipment main body and a lower mold, and the lower mold is arranged at the top of the equipment main body;

the equipment main part inboard is provided with ejecting module, ejecting module includes the fore-set, the fore-set is arranged in the bottom of lower mould at interval each other, and the fore-set shortens from the outside to inboard length gradually, ejecting module will through the fore-set the inside model bottom of lower mould is from outer to interior ejecting separation gradually.

Preferably, the ejection module further comprises a pushing device and a pushing plate, the pushing device is arranged at the bottom of the inner side of the device main body, the pushing plate and the output end of the pushing device are connected with each other,

the ejection module further comprises a limiting plate, a limiting pipe, a limiting rod, a limiting disc and an adjusting block, the limiting plate is fixedly mounted on the inner side wall of the equipment main body, the limiting plate top is provided with the limiting pipe corresponding to the ejection column position, the limiting pipe is used for limiting the ejection column position, the limiting pipe is fixedly mounted on the limiting plate through the limiting rod, the limiting disc is fixedly mounted on the side wall of the ejection column, the limiting disc is located above the limiting plate and below the limiting pipe, the ejection column position is limited through the limiting disc, the adjusting block is mounted at the bottom of the ejection column in an embedded mode, and the adjusting block is mounted at the bottom of the ejection column in the middle of the adjusting block.

Preferably, the fore-set interval sets up the bottom at the lower mould, and the bottom and the lower mould bottom wall that the lower mould was run through to the top of fore-set laminate each other, and the bottom that the bottom of fore-set all run through the restriction board extends to the below position of restriction board, and the bottom of restriction board is not laminated each other with the top that bulldozes the board.

Preferably, a separation module is arranged on the inner side of the lower die and used for reducing damage to the side wall of the die during ejection operation.

Preferably, the separation module includes auxiliary tank, interior piece and ectosome, the auxiliary tank interval is seted up on the inboard lateral wall of lower mould, interior piece fixed mounting is in the inside of auxiliary tank, ectosome lateral wall fixed mounting is on the inboard outer end lateral wall of auxiliary tank, and the ectosome outside and the inboard lateral wall looks adaptation of lower mould, the inboard of ectosome and the corresponding position looks adaptation of interior piece, and the inboard of ectosome is seted up flutedly, and the ectosome wants to carry out tensile deformation through the recess receiving tensile condition.

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

(1) this all-round ejection mechanism of mould formed part through progressively promoting the model from outer to interior for model bottom and the inboard bottom of lower mould separate gradually from outer to interior, thereby make the outside of model bottom carry out preferential separation, thereby produced extra pressure when having reduced the model top, the condition that reduces ejecting model damage takes place.

(2) This all-round ejection mechanism of mould formed part, through the regulating block on the fore-set, make the fore-set that carries out ejecting operation to the model bottom preferentially when ejecting operation is obstructed, the fore-set of corresponding position can carry out the power of holding through the regulating block, the model bottom corresponds the position still and receives the ejection force of fore-set simultaneously, at this moment, the model bottom outside has produced the detached state, when the fore-set of next order carries out the application of force, at this moment, the isolated area of model bottom enlarges, carry out the ejection force that the application of force cooperation bulldozes the board and upwards produce when all fore-sets, make the model bottom break away from fast through the power of holding that the fore-set produced after carrying out gradually separating, thereby when reducing the damage to the model, improve model drawing of patterns efficiency.

(3) This all-round ejection mechanism of mould formed part, when the model is carrying out ejecting drawing of patterns operation, this moment, the lateral wall and the inboard lateral wall of lower mould of model bond each other, and simultaneously, the model lateral wall still bonds with outer piece core, when the model is carrying out ejecting operation, the ascending dynamics of model can drive outer piece and carry out deformation, deformation through outer piece makes the model when ascending, the inboard lateral wall of lower mould that receives hinders the reduction to reduce the damage that the model lateral wall produced when carrying out drawing of patterns operation.

(4) This all-round ejection mechanism of mould formed part when carrying out ejecting operation, because the outer piece produces deformation for the outer piece forms the convex surface, thereby easily makes when carrying out ejecting operation, and outer piece and model lateral wall can carry out effectual separation, simultaneously, reduces the damage that produces when the model separates.

Drawings

FIG. 1 is a schematic view of the overall structure of an omnidirectional ejection mechanism for a mold forming part according to the present invention;

FIG. 2 is a schematic view of a partial structure of the ejector module of the present invention;

FIG. 3 is a schematic view of a partial structure of a separation module according to the present invention;

fig. 4 is a schematic view of a partial separation structure of the separation module of the present invention.

In the figure: 1. a body module; 101. an apparatus main body; 102. a lower die; 103. an upper die; 104. a die assembly; 2. ejecting the module; 201. a pushing device; 202. a push plate; 203. a top pillar; 204. a limiting plate; 205. a limiting tube; 206. a restraining bar; 207. a confinement plate; 208. an adjusting block; 3. a separation module; 301. an auxiliary groove; 302. an inner block; 303. and (5) outer blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an omnibearing ejection mechanism for a mold forming part comprises a main body module 1, wherein the main body module 1 comprises an equipment main body 101, a lower die 102, an upper die 103 and a die assembly 104, the lower die 102 is arranged at the top of the equipment main body 101, the inside of the equipment main body 101 is hollow, the upper die 103 is arranged above the lower die 102, the die assembly 104 is arranged at the top of the upper die 103, the output end of the die assembly 104 is connected with the top of the upper die 103, and the die assembly 104 is arranged on the equipment main body 101 through a support column;

the inside of the device main body 101 is provided with an ejection module 2 corresponding to the position of the lower die 102, the ejection module 2 comprises a pushing device 201, a pushing plate 202, a top column 203, a limiting plate 204, a limiting pipe 205, a limiting rod 206, a limiting disc 207 and an adjusting block 208, the pushing device 201 is arranged at the bottom of the inside of the device main body 101, the pushing plate 202 is arranged at the top of the pushing device 201, the pushing plate 202 and the output end of the pushing device 201 are connected with each other, the top columns 203 are arranged at the bottom of the lower die 102 at intervals, the top of the top column 203 penetrates through the bottom of the lower die 102 and the bottom wall surface of the lower die 102 to be attached to each other, the length of the top column 203 from the outside to the middle is gradually shortened, the limiting plate 204 is fixedly arranged on the inner side wall of the device main body 101, the bottom of the top column 203 penetrates through the bottom of the limiting plate 204 to be extended to the position below the limiting plate 204, the bottom of the limiting plate 204 does not adhere to the top of the pushing plate 202, the top of the limiting plate 204 is provided with the limiting pipe 205 corresponding to the top column 203, the limiting pipe 205 is in a circular pipe shape, the limiting pipe 205 is used for limiting the position of the top column 203, the top columns 203 are arranged inside the limiting pipe 205 at corresponding positions, the limiting pipe 205 is fixedly arranged on the limiting plate 204 through a limiting rod 206, a limiting disc 207 is fixedly arranged on the side wall of the top column 203, the limiting disc 207 is positioned at the upper position of the limiting plate 204 and the lower position of the limiting pipe 205, the position of the top column 203 is limited through the limiting disc 207, the adjusting block 208 is embedded at the bottom of the top column 203, the adjusting block 208 can deform and contract when being pressed by pressure, and the adjusting block 208 is not embedded at the bottom of the top column 203 in the middle group;

the inboard of lower mould 102 is provided with separation module 3, separation module 3 includes auxiliary tank 301, interior piece 302 and outer piece 303, auxiliary tank 301 is spaced apart to be established on the inboard lateral wall of lower mould 102, interior piece 302 fixed mounting is in the inside of auxiliary tank 301, outer piece 303 lateral wall fixed mounting is on the inboard outer end lateral wall of auxiliary tank 301, and the outside of outer piece 303 and the inboard lateral wall looks adaptation of lower mould 102, the inboard of outer piece 303 and the corresponding position looks adaptation of interior piece 302, the inboard of outer piece 303 is seted up flutedly, and outer piece 303 wants to be able to stretch out deformation through the recess receiving tensile condition.

The working principle is as follows:

when the injection molding device is used, a solution is input into the lower die 102, the solution is molded and shaped inside the lower die 102 through the die assembly 104 and the upper die 103 in cooperation with the lower die 102, after the mold is shaped, the pushing device 201 on the ejection module 2 drives the pushing plate 202 to gradually push the ejection column 203, so that the ejection column 203 gradually pushes the mold from the outside to the inside, and the mold is ejected through the ejection column 203.

The model is gradually pushed from outside to inside, so that the bottom of the model and the bottom of the inner side of the lower die 102 are gradually separated from outside to inside, the outer side of the bottom of the model is preferentially separated, extra pressure generated when the top of the model is reduced, and the damage condition of the ejected model is reduced.

Through the adjusting block 208 on the ejection column 203, when the ejection operation of the ejection column 203 which preferentially performs the ejection operation on the bottom of the model is blocked, the ejection column 203 at the corresponding position can accumulate force through the adjusting block 208, and meanwhile, the ejection force of the ejection column 203 is still received at the corresponding position of the bottom of the model, at this time, the outer side of the bottom of the model is in a separated state, when the ejection column 203 at the next step applies force, at this time, the separation area at the bottom of the model is enlarged, when all the ejection columns 203 apply force to cooperate with the ejection force generated by the pushing plate 202, the bottom of the model can be rapidly separated through the accumulation force generated by the ejection column 203 after being gradually separated, so that the damage to the model is reduced, and the demolding efficiency of the model is improved.

When the model is in the operation of ejecting and demoulding, at the moment, the side wall of the model and the inner side wall of the lower mould 102 are bonded with each other, and meanwhile, the side wall of the model is also bonded with the core of the outer block 303, when the model is in the operation of ejecting, the rising force of the model can drive the outer block 303 to deform, and when the model rises due to the deformation of the outer block 303, the inner side wall of the lower mould 102 is prevented from being reduced, so that the damage to the side wall of the model during the operation of demoulding is reduced.

When the ejection operation is performed, the outer block 303 deforms, so that the outer block 303 forms a convex surface, and therefore the outer block 303 and the side wall of the model can be effectively separated when the ejection operation is performed, and meanwhile, damage generated when the model is separated is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The omnibearing ejection mechanism for the mold forming part comprises a main body module (1), wherein the main body module (1) comprises an equipment main body (101) and a lower mold (102), and the lower mold (102) is arranged at the top of the equipment main body (101);

the method is characterized in that:

the device is characterized in that an ejection module (2) is arranged on the inner side of the device main body (101), the ejection module (2) comprises ejection columns (203), the ejection columns (203) are arranged at the bottom of the lower die (102) at intervals, the length of the ejection columns (203) is gradually shortened from the outer side to the inner side, and the ejection module (2) is used for gradually ejecting and separating the bottom of an internal model of the lower die (102) from the outside to the inside through the ejection columns (203).

2. The all-directional ejection mechanism for the mold forming part according to claim 1, wherein: the ejection module (2) further comprises a pushing device (201) and a pushing plate (202), the pushing device (201) is arranged at the bottom of the inner side of the equipment main body (101), the output ends of the pushing plate (202) and the pushing device (201) are connected with each other,

the ejection module (2) further comprises a limiting plate (204), a limiting pipe (205), a limiting rod (206), a limiting disc (207) and a regulating block (208), the limiting plate (204) is fixedly arranged on the inner side wall of the equipment main body (101), the top of the limiting plate (204) is provided with a limiting pipe (205) corresponding to the position of the top column (203), the limiting pipe (205) is used for limiting the position of the top column (203), the limiting pipe (205) is fixedly arranged on the limiting plate (204) through a limiting rod (206), the limiting disc (207) is fixedly arranged on the side wall of the top column (203), and the limiting disc (207) is positioned above the limiting plate (204) and below the limiting pipe (205), the position of the top column (203) is limited through a limiting disc (207), the adjusting blocks (208) are embedded at the bottom of the top column (203), and the adjusting blocks (208) are not embedded at the bottom of the top column (203) in the middle group.

3. The all-directional ejection mechanism for the mold forming part according to claim 2, wherein: the top columns (203) are arranged at the bottom of the lower die (102) at intervals, the top of each top column (203) penetrates through the bottom of the lower die (102) and the wall surface of the bottom of the lower die (102) to be attached to each other, the bottom of each top column (203) penetrates through the bottom of the limiting plate (204) to extend to the position below the limiting plate (204), and the bottom of each limiting plate (204) is not attached to the top of the pushing plate (202) to be attached to each other.

4. The all-directional ejection mechanism for the mold forming part according to claim 1, wherein: the inner side of the lower die (102) is provided with a separation module (3), and the separation module (3) is used for reducing damage to the side wall of the die during ejection operation.

5. The all-directional ejection mechanism for the mold forming part as claimed in claim 4, wherein: the separation module (3) comprises an auxiliary groove (301), an inner block (302) and an outer block (303), wherein the auxiliary groove (301) is arranged on the inner side wall of the lower die (102) at intervals, the inner block (302) is fixedly arranged in the auxiliary groove (301), the side wall of the outer block (303) is fixedly arranged on the inner outer end side wall of the auxiliary groove (301), the outer side of the outer block (303) is matched with the inner side wall of the lower die (102), the inner side of the outer block (303) is matched with the corresponding position of the inner block (302), a groove is formed in the inner side of the outer block (303), and the outer block (303) can be stretched and deformed through the groove under the condition of tension.