CN219486461U

CN219486461U - Auxiliary demoulding structure for injection mould for producing mobile phone rear cover

Info

Publication number: CN219486461U
Application number: CN202320859458.7U
Authority: CN
Inventors: 库流微
Original assignee: Dongguan Yujia Plastic Mould Co ltd
Current assignee: Dongguan Yujia Plastic Mould Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-08-08
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the technical field of injection molds, and discloses an auxiliary demoulding structure for an injection mold for producing a mobile phone rear cover, which comprises the following components: the box, the box is provided with demoulding mechanism and change mechanism. This an injection mold for producing lid behind cell-phone drives the connecting plate and thereby slides along the outer edge of guide bar through the second supporting shoe and promotes the ejector pin and slide the mould that can carry out ejecting in the mould shell at the inner wall of box and mould shell, and can compress first spring when the connecting plate rises, and can drive the ejector pin and reset when first spring resets, the setting of this structure can control the roughness when breaking away from the mould effectively and the effect of controlling the dynamics when the drawing of patterns, thereby reached and solved the poor stability of drawing of patterns when this drawing of patterns structure is used and lead to the unable level break away from of mould, and can't lead to the dynamics that the mould received too big and damage the problem when the drawing of patterns to the accuse dynamics.

Description

Auxiliary demoulding structure for injection mould for producing mobile phone rear cover

Technical Field

The utility model relates to the technical field of injection molds, in particular to an auxiliary demolding structure for an injection mold for producing a mobile phone rear cover.

Background

The injection mold is a tool for producing plastic products; the plastic injection molding method is a processing method used for mass production of parts with complex shapes, and specifically refers to the process that heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine and cooled and solidified to obtain a formed product.

According to the automatic demoulding structure of the injection mould with the patent number of CN216544554U, the problem that the automatic demoulding structure of the existing injection mould is imperfect in use and inconvenient to use is solved in the scheme, and the product is inconvenient to collect after demoulding and is inconvenient to use when the automatic demoulding structure of the existing injection mould is used.

However, the stability of this demoulding structure when using is relatively poor leads to the mould unable to break away from smoothly, and can't be too big and damage of the dynamics that the control dynamics leads to the mould to receive when the drawing of patterns, thereby in addition can not change the mould shell according to actually required because the mould shell is in the fixed state and makes the practicality relatively poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an auxiliary demoulding structure for an injection mould for producing a mobile phone rear cover, which has the functions of controlling the flatness of the mould when the mould is separated and controlling the force during demoulding, has the advantages of being capable of quickly replacing a mould shell to adapt to different requirements and increasing the practicability, and solves the problems in the background art.

The utility model provides the following technical scheme: an auxiliary demoulding structure for an injection mould for producing a mobile phone rear cover, comprising: the box body is provided with a demoulding mechanism and a replacement mechanism;

the demoulding mechanism comprises; the novel mold comprises a first supporting block, supporting strips are hinged to two sides of the inner wall of the first supporting block, second supporting blocks are hinged to two sides of the supporting strips, a connecting plate is fixedly installed at the top of the second supporting block, a top rod is fixedly installed at the top of the connecting plate, a push rod is slidably installed on the inner wall of a box body, a third supporting block is fixedly installed at one end of the push rod, fixing strips are hinged to two sides of the inner wall of the third supporting block, fourth supporting blocks are hinged to two sides of the fixing strips, and a mold shell is movably installed at the top of the box body.

Preferably, the replacing mechanism comprises a clamping plate, a sliding rod is fixedly arranged on the side face of the clamping plate, a stabilizing block is slidably arranged on the outer edge of the sliding rod, a second spring is sleeved on the outer edge of the sliding rod, a limiting hole is formed in the top of the box body, a fixing block is fixedly arranged on the side face of the clamping plate, and a clamping rod is slidably arranged on the inner wall of the fixing block.

Preferably, the square groove is formed in the box body, the bottom of the first supporting block is in sliding connection with the bottom of the inner wall of the square groove, and the outer edge of the ejector rod is in sliding connection with the inner wall of the box body.

Preferably, the top of connecting plate fixed mounting has first spring, the top of first spring and the top fixed connection of box inner wall, the bottom fixed mounting of square groove inner wall has the guide bar, the outer edge of guide bar and the inner wall sliding connection of connecting plate.

Preferably, the side surface of the fourth supporting block is fixedly connected with the side surface of the first supporting block, and the inner wall of the mold shell is in sliding connection with the outer edge of the ejector rod.

Preferably, the top fixed mounting of box has the guide rail, the inner wall of splint and the side sliding connection of guide rail, the outer edge sliding connection of the inner wall of steady block and slide bar, the one end of second spring and the side fixed connection of splint, the other end of second spring and the side fixed connection of steady block, the outer edge of card pole and the inner wall activity joint in spacing hole.

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

1. this an injection mold for producing lid behind cell-phone drives the displacement of third supporting shoe through promoting the push rod thereby drives fixed strip angle modulation, thereby drive the displacement of fourth supporting shoe through the fixed strip and drive first supporting shoe displacement, thereby drive the displacement of support bar angle modulation through first supporting shoe and drive the displacement of second supporting shoe, thereby it can carry out ejecting to push the mould in mould shell to push the ejector pin at the inner wall slip of box and mould shell to push away the ejector pin along the slip of the outer edge of guide bar through the second supporting shoe, and can compress first spring when the connecting plate rises, and can drive the ejector pin and reset when first spring resets, the setting of this structure, can carry out the effect of controlling and controlling the dynamics when drawing of patterns to the roughness when breaking away from the mould effectively, thereby reached and solved this demoulding structure and the stability of drawing of patterns when using relatively poor the leading to the mould to be unable to be level break away from, and can't lead to the dynamics that the mould receives too big and damage when the drawing of patterns.

2. This an injection mold for producing lid behind cell-phone is with supplementary drawing of patterns structure makes the slide bar slide at the inner wall of stabilizing the piece thereby extrudees the second spring through pulling splint in the side of guide rail slip, through will the draw-in lever place the box with the mould shell behind the joint in the fixed block inner wall slip gets into spacing downthehole, drive splint and be close to each other and carry out the centre gripping fixed to the both sides of mould shell under the resilience of second spring, the setting of this structure can carry out the quick replacement to the mould shell and adapt to the different required advantage that increases the practicality effectively, thereby reached and solved because the mould shell is in fixed state and can not change so that the problem that makes the practicality relatively poor according to the mould shell that actually needs.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the device of the present utility model;

FIG. 2 is a schematic view of the right side top cross-sectional structure of FIG. 1 of the present utility model;

FIG. 3 is a schematic view of a demolding mechanism according to the present utility model;

fig. 4 is a schematic top view of the cross-sectional structure of fig. 3 according to the present utility model.

In the figure: 1. a case; 2. a square groove; 3. a first support block; 4. a support bar; 5. a second support block; 6. a connecting plate; 7. a guide rod; 8. a first spring; 9. a push rod; 10. a push rod; 11. a third support block; 12. a fixing strip; 13. a fourth support block; 14. a mold shell; 15. a guide rail; 16. a clamping plate; 17. a stabilizing block; 18. a slide bar; 19. a clamping rod; 20. a second spring; 21. a limiting hole; 22. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an auxiliary demolding structure for an injection mold for producing a rear cover of a mobile phone, comprising: the box body 1 is provided with a demoulding mechanism and a replacement mechanism;

the demoulding mechanism comprises; the first supporting shoe 3, the both sides of first supporting shoe 3 inner wall are articulated to have support bar 4, the both sides of support bar 4 are articulated to have second supporting shoe 5, the top fixed mounting of second supporting shoe 5 has connecting plate 6, the top fixed mounting of connecting plate 6 has ejector pin 9, the inner wall slidable mounting of box 1 has push rod 10, the one end fixed mounting of push rod 10 has third supporting shoe 11, the both sides of third supporting shoe 11 inner wall are articulated to have fixed strip 12, the both sides of fixed strip 12 are articulated to have fourth supporting shoe 13, the top movable mounting of box 1 has mould shell 14.

Wherein; the replacing mechanism comprises a clamping plate 16, a sliding rod 18 is fixedly arranged on the side face of the clamping plate 16, a stabilizing block 17 is slidably arranged on the outer edge of the sliding rod 18, a second spring 20 is sleeved on the outer edge of the sliding rod 18, a limiting hole 21 is formed in the top of the box body 1, a fixing block 22 is fixedly arranged on the side face of the clamping plate 16, and a clamping rod 19 is slidably arranged on the inner wall of the fixing block 22.

Wherein; square groove 2 has been seted up to the inside of box 1, and the bottom of first supporting shoe 3 and the bottom sliding connection of square groove 2 inner wall, the outer edge of ejector pin 9 and the inner wall sliding connection of box 1.

Wherein; the top fixed mounting of connecting plate 6 has first spring 8, and the top of first spring 8 and the top fixed connection of box 1 inner wall, and the bottom fixed mounting of square groove 2 inner wall has guide bar 7, and guide bar 7's outer edge and connecting plate 6's inner wall sliding connection.

Wherein; the side of fourth supporting shoe 13 and the side fixed connection of first supporting shoe 3, thereby the outer edge sliding connection of the inner wall of mould shell 14 and ejector pin 9 drives the displacement of third supporting shoe 11 through promoting push rod 10 and drives fixed strip 12 angular adjustment, thereby drive the displacement of first supporting shoe 3 through fixed strip 12 drive fourth supporting shoe 13, thereby drive support bar 4 angular adjustment through first supporting shoe 3 and drive the displacement of second supporting shoe 5, thereby drive connecting plate 6 through second supporting shoe 5 and slide along the outer edge of guide bar 7 thereby promote ejector pin 9 and slide the mould that can carry out ejecting at the inner wall of box 1 and mould shell 14 in mould shell 14, and can compress first spring 8 when connecting plate 6 rises, and can drive ejector pin 9 and reset when first spring 8 resets, above structure has reached the roughness when breaking away from the mould and has controlled the dynamics when taking off the mould.

Wherein; the top fixed mounting of box 1 has guide rail 15, the inner wall of splint 16 and the side sliding connection of guide rail 15, the outer edge sliding connection of the inner wall of steady block 17 and slide bar 18, the one end of second spring 20 and the side fixed connection of splint 16, the other end of second spring 20 and the side fixed connection of steady block 17, the outer edge of clamping bar 19 and the inner wall activity joint of spacing hole 21, thereby slide bar 18 slides at the inner wall of steady block 17 through pulling splint 16 and extrudees second spring 20 through pulling splint 16 in the side slip of guide rail 15, through will clamp bar 19 after the fixed block 22 inner wall slip gets into spacing hole 21 and carries out the joint, place the mould shell 14 back with clamping bar 19 in spacing hole 21, drive splint 16 and be close to each other through the resilience of second spring 20 and carry out the centre gripping fixed to the both sides of mould shell 14, above structure has reached the advantage that carries out quick replacement adaptation different required increase practicality to mould shell 14.

When the die clamping device is used, firstly, the push rod 10 is pushed to drive the third supporting block 11 to displace so as to drive the fixing strip 12 to conduct angle adjustment, the fixing strip 12 is pushed to drive the fourth supporting block 13 to displace so as to drive the first supporting block 3 to displace, the first supporting block 3 is used to drive the supporting strip 4 to conduct angle adjustment so as to drive the second supporting block 5 to displace, the connecting plate 6 is driven to slide along the outer edge of the guide rod 7 through the second supporting block 5, the ejector rod 9 is pushed to slide on the inner wall of the box body 1 and the die shell 14 so as to eject a die in the die shell 14, the connecting plate 6 can compress the first spring 8 when rising, the ejector rod 9 can be driven to reset when the first spring 8 resets, the clamping plate 16 is pulled to slide on the side face of the guide rail 15 so as to enable the sliding rod 18 to slide on the inner wall of the stabilizing block 17 so as to squeeze the second spring 20, the clamping rod 19 is pulled out of the limiting hole 21 after the die shell 14 is placed on the box body 1 through the inner wall of the fixing block 22, and the two sides of the die shell 14 are clamped by the rebound lower driving clamping plate 16 of the second spring 20.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. An auxiliary demoulding structure for an injection mould for producing a mobile phone rear cover is characterized by comprising the following components: the box body (1), the demoulding mechanism and the replacing mechanism are arranged on the box body (1);

the demoulding mechanism comprises; the novel plastic box comprises a first supporting block (3), supporting strips (4) are hinged to two sides of the inner wall of the first supporting block (3), second supporting blocks (5) are hinged to two sides of the supporting strips (4), connecting plates (6) are fixedly arranged at the tops of the second supporting blocks (5), ejector rods (9) are fixedly arranged at the tops of the connecting plates (6), pushing rods (10) are slidably arranged on the inner wall of the box body (1), third supporting blocks (11) are fixedly arranged at one ends of the pushing rods (10), fixing strips (12) are hinged to two sides of the inner wall of the third supporting blocks (11), fourth supporting blocks (13) are hinged to two sides of the fixing strips (12), and die shells (14) are movably arranged at the tops of the box body (1).

2. The auxiliary demolding structure for an injection mold for producing a mobile phone rear cover according to claim 1, wherein the auxiliary demolding structure comprises the following components: the replacing mechanism comprises a clamping plate (16), a sliding rod (18) is fixedly arranged on the side face of the clamping plate (16), a stabilizing block (17) is slidably arranged on the outer edge of the sliding rod (18), a second spring (20) is sleeved on the outer edge of the sliding rod (18), a limiting hole (21) is formed in the top of the box body (1), a fixing block (22) is fixedly arranged on the side face of the clamping plate (16), and a clamping rod (19) is slidably arranged on the inner wall of the fixing block (22).

3. The auxiliary demolding structure for an injection mold for producing a mobile phone rear cover according to claim 1, wherein the auxiliary demolding structure comprises the following components: square groove (2) have been seted up to the inside of box (1), the bottom of first supporting shoe (3) and the bottom sliding connection of square groove (2) inner wall, the outer edge of ejector pin (9) and the inner wall sliding connection of box (1).

4. An auxiliary demoulding structure for an injection mould for producing a mobile phone rear cover according to claim 3, wherein: the top fixed mounting of connecting plate (6) has first spring (8), the top of first spring (8) and the top fixed connection of box (1) inner wall, the bottom fixed mounting of square groove (2) inner wall has guide bar (7), the outer edge of guide bar (7) and the inner wall sliding connection of connecting plate (6).

5. The auxiliary demolding structure for an injection mold for producing a mobile phone rear cover according to claim 1, wherein the auxiliary demolding structure comprises the following components: the side face of the fourth supporting block (13) is fixedly connected with the side face of the first supporting block (3), and the inner wall of the die shell (14) is in sliding connection with the outer edge of the ejector rod (9).

6. The auxiliary demolding structure for an injection mold for producing a mobile phone rear cover according to claim 2, wherein: the top fixed mounting of box (1) has guide rail (15), the inner wall of splint (16) and the side sliding connection of guide rail (15), the outer edge sliding connection of the inner wall of steady block (17) and slide bar (18), the one end of second spring (20) and the side fixed connection of splint (16), the other end of second spring (20) and the side fixed connection of steady block (17), the outer edge of clamping rod (19) and the inner wall activity joint of spacing hole (21).