CN215882335U

CN215882335U - Injection mold

Info

Publication number: CN215882335U
Application number: CN202121728330.4U
Authority: CN
Inventors: 赖维超; 熊兵
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-22
Anticipated expiration: 2031-07-27

Abstract

The utility model is suitable for the field of injection molding processing, and discloses an injection mold, which comprises a lower template, an upper template, a pressing block, a slide, a first elastic piece and a first shovel base, wherein a cavity and a slide movable cavity are arranged on the lower template, the pressing block is arranged in the slide movable cavity, the slide is connected with the pressing block in a sliding way and slides in the slide movable cavity along the length direction of the cavity, the first elastic piece is compressed between the slide and the lower template, the slide is provided with a first attaching surface and a second attaching surface which are used for attaching a hardware product, the second attaching surface is an inclined surface, the first shovel base is provided with a third attaching surface which is matched with the second attaching surface, the third attaching surface is an inclined surface, the first shovel base is elastically connected with the upper template, when the mold is closed, the slide of the first shovel base is attached to the slide and pushes the slide to compress the first elastic piece so that the slide is attached to the hardware product, and hardware products with different lengths can be placed in the cavity without looseness and tightness by adjusting the position of the slide to carry out subsequent injection molding operation, thereby can improve the injection molding quality of hardware products.

Description

Injection mold

Technical Field

The utility model relates to the technical field of injection molding, in particular to an injection mold suitable for hardware products with different lengths.

Background

When the cover beer hardware product is subjected to injection molding, the incoming material size of the hardware product needs to be stable, the tolerance cannot exceed plus or minus 0.03MM, and otherwise the hardware product deviates. However, the hardware product is formed by extrusion, the tolerance of the finished product is within plus or minus 0.2-0.3MM, and the finished product is unstable, so that the existing injection mold causes that the hardware product is not loose or tight when placed, and the problem of removing the edge or pressing the hardware product is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold, and aims to solve the technical problems that a hardware product is not loose or tight when placed and is easy to generate batch running or press the hardware product in the conventional injection mold.

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

an injection mold is adaptive to hardware products with different lengths, and comprises a lower template, an upper template matched with the lower template, a pressing block, a row position, a first elastic piece and a first shovel base, wherein the lower template is provided with a cavity for placing the hardware products and a row position movable cavity communicated with the cavity, the pressing block is installed in the row position movable cavity, the row position is in sliding connection with the pressing block, the row position slides in the row position movable cavity along the length direction of the cavity, the first elastic piece is elastically compressed between the row position and the lower template along the length direction of the cavity, the row position is provided with a first bonding surface for bonding with the hardware products and a second bonding surface arranged opposite to the first bonding surface, the second bonding surface is an inclined surface, the first shovel base is provided with a third bonding surface matched with the second bonding surface, the third laminating face is the inclined plane, first shovel base with cope match-plate pattern elastic connection during cope match-plate pattern and lower bolster compound die, first shovel base with the position laminating of going, and promote the compression of going the position first elastic component is so that the position of going is laminated with the hardware products.

Preferably, the slide includes the body and sets up the boss of body one end, the height of boss is less than the height of body, the boss orientation the one side of die cavity is first binding face, the body with the one side that first binding face is relative is second binding face, the body orientation first mounting groove has been seted up to the one side of die cavity, first elastic component is installed in the first mounting groove.

Preferably, the pressing blocks are arranged in two numbers, the two pressing blocks are arranged at intervals along the width direction of the cavity, the pressing blocks are connected with the lower template, a gap is formed between the pressing blocks and the bottom of the slide movable cavity, sliding parts are convexly arranged on two sides of the slide, and the sliding parts are installed in the gap.

Preferably, the upper die plate is provided with a first stepped hole and a second mounting groove, the first stepped hole comprises a first hole portion, a second hole portion and a third hole portion, the inner diameter of the first hole portion and the inner diameter of the third hole portion are both larger than the inner diameter of the second hole portion, the first shovel base is mounted in the second mounting groove, the injection die further comprises a first guide pillar and a second elastic piece, one end of the first guide pillar is provided with a first limiting portion, the other end of the first guide pillar penetrates through the first stepped hole to be connected with the first shovel base, the first limiting portion is located in the first hole portion, and the second elastic piece is mounted in the third hole portion and elastically compressed between the upper die plate and the first shovel base.

Preferably, injection mold still includes second shovel base, first shovel base still have with the relative fourth binding face that sets up of third binding face, fourth binding face is the inclined plane, second shovel base have with the fifth binding face that fourth binding face mutually supported, fifth binding face is the inclined plane, second shovel base and lower bolster elastic connection, second shovel base is along with first shovel base motion.

Preferably, the lower template is provided with a second step hole and a third mounting groove, the second step hole includes a fourth hole portion, a fifth hole portion and a sixth hole portion, the inner diameter of the fourth hole portion and the inner diameter of the sixth hole portion are both greater than the inner diameter of the fifth hole portion, the second shovel base is mounted in the third mounting groove, the injection mold further includes a second guide pillar and a third elastic member, one end of the second guide pillar is provided with a second limiting portion, the other end of the second guide pillar penetrates through the second step hole to be connected with the second shovel base, the second limiting portion is located in the fourth hole portion, and the third elastic member is mounted in the sixth hole portion and elastically compressed between the lower template and the second shovel base.

The injection mold provided by the utility model is provided with the slide capable of sliding along the length direction of the cavity, and hardware products with different lengths can be placed in the cavity without looseness by adjusting the position of the slide to perform subsequent injection molding operation, so that the problem of batch running or hardware product pressing caused by looseness or tightness when the hardware products are placed is avoided, and the injection molding quality of the hardware products can be improved. In addition, the injection mold provided by the utility model has the advantages that the driving relation between the first shovel base and the slide is reasonably set, so that the first shovel base is always attached to the slide during injection molding, and a hardware product is always attached to the slide, and the hardware product is prevented from directly pushing the slide under injection molding pressure during injection molding, so that the adjustment effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view of an injection mold provided by an embodiment of the present invention;

FIG. 2 is a side view of the injection mold of FIG. 1;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is an enlarged view of B in fig. 2.

The reference numbers illustrate:

10. a lower template; 11. a cavity; 12. a slide active cavity; 13. a second stepped bore; 131. a fourth hole portion; 132. a fifth hole portion; 133. a sixth hole portion; 14. a third mounting groove; 20. mounting a template; 21. a first stepped hole; 211. a first hole portion; 212. a second hole portion; 213. a third hole portion; 22. a second mounting groove; 30. briquetting; 31. countersunk head screws; 40. a row bit; 41. a first binding surface; 42. a second bonding surface; 43. a body; 431. a first mounting groove; 44. a boss; 45. a sliding part; 50. a first elastic member; 60. a first shovel base; 61. a third bonding surface; 62. a fourth binding surface; 70. a first guide post; 71. a first limiting part; 80. a second elastic member; 90. a second shovel base; 91. a fifth binding face; 100. a second guide post; 101. a second limiting part; 110. a third elastic member; 2. hardware products; 3. and (3) plastic products.

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.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 4, an injection mold according to an embodiment of the present invention is adapted to hardware products with different lengths, and a movable row position is set at a position on the mold where the hardware product is placed, so as to adjust the problem that the sizes of the hardware products are different by advancing or retreating the row position.

Referring to fig. 1 to 4, an injection mold according to an embodiment of the present invention includes a lower mold plate 10, an upper mold plate 20 matched with the lower mold plate 10, a pressing block 30, a slide 40, a first elastic member 50, and a first shovel base 60, the lower mold plate 10 is provided with a cavity 11 for placing a hardware product 2 and a slide movable cavity 12 communicated with the cavity 11, the pressing block 30 is installed in the slide movable cavity 12, the slide 40 is slidably connected to the pressing block 30, the pressing block 30 is used for pressing the slide 40 to prevent the slide 40 from moving up and down, the slide 40 slides in the slide movable cavity 12 along a length direction (i.e. an X direction) of the cavity 11, the first elastic member 50 is elastically compressed between the slide 40 and the lower mold plate 10 along the length direction of the cavity 11, the slide 40 has a first bonding surface 41 for bonding to the hardware product 2 and a second bonding surface 42 opposite to the first bonding surface 41, the second bonding surface 42 is an inclined surface, the first shovel base 60 is provided with a third attaching surface 61 matched with the second attaching surface 42, the third attaching surface 61 is an inclined surface, the first shovel base 60 is elastically connected with the upper template 20, when the die is closed, the third attaching surface 61 of the first shovel base 60 is attached to the second attaching surface 42 of the slide 40, and the slide 40 is pushed to compress the first elastic piece 50 so that the first attaching surface 41 of the slide 40 is attached to the hardware product 2. And, during the time of moulding plastics, hardware products 2 can push down slide position 40 and slide towards first shovel base 60 under injection pressure, and slide position 40 promotes first shovel base 60 and slides towards the direction that is close to cope match-plate pattern 20 along vertical direction (Z direction promptly) this moment, and first shovel base 60 laminates with slide position 40 all the time when guaranteeing to mould plastics, and hardware products 2 laminates with slide position 40 all the time, and hardware products 2 directly moves back slide position 40 under injection pressure when preventing to mould plastics to reach the effect of regulation.

Referring to fig. 1-4, the slide 40 includes a body 43 and a boss 44 disposed at one end of the body 43, the height of the boss 44 is lower than the height of the body 43, one surface of the boss 44 facing the cavity 11 is a first attaching surface 41, one surface of the body 43 opposite to the first attaching surface 41 is a second attaching surface 42, one surface of the body 43 facing the cavity 11 is provided with a first mounting groove 431, and the first elastic member 50 is mounted in the first mounting groove 431.

It is understood that the first elastic element 50 may be mounted in other manners, for example, a mount may be provided on the lower mold plate 10 and the row 40, and both ends of the first elastic element 50 are mounted on the mount of the lower mold plate 10 and the mount of the row 40.

Referring to fig. 1 to 4, the upper mold plate 20 is provided with a first stepped hole 21 and a second mounting groove 22, the first stepped hole 21 includes a first hole portion 211, a second hole portion 212 and a third hole portion 213, an inner diameter of the first hole portion 211 and an inner diameter of the third hole portion 213 are both greater than an inner diameter of the second hole portion 212, the first shovel base 60 is installed in the second mounting groove 22, the injection mold further includes a first guide pillar 70 and a second elastic member 80, one end of the first guide pillar 70 is provided with a first position-limiting portion 71, the other end of the first guide pillar 70 passes through the first stepped hole 21 and is connected with the first shovel base 60, the first position-limiting portion 71 is located in the first hole portion 211, the second elastic member 80 is installed in the third hole portion 213 and is elastically compressed between the upper mold plate 20 and the first shovel base 60, and the connection method is simple and reliable. When the hardware product 2 pushes the slide 40 to slide toward the first shovel base 60, the slide 40 pushes the first shovel base 60 to compress the second elastic member 80 to slide upward.

Optionally, the second elastic member 80 is a spring or an elastic pad.

Referring to fig. 1-4, the injection mold further includes a second shovel base 90, the first shovel base 60 further has a fourth attaching surface 62 opposite to the third attaching surface 61, the fourth attaching surface 62 is an inclined surface, the second shovel base 90 has a fifth attaching surface 91 matching with the fourth attaching surface 62, the fifth attaching surface 91 is an inclined surface, the second shovel base 90 is elastically connected to the lower mold plate 10, when the hardware product 2 pushes the row 40 to slide toward the first shovel base 60, the row 40 pushes the first shovel base 60 to slide in a vertical direction toward a direction approaching the upper mold plate 20, the second shovel base 90 moves along with the first shovel base 60, and the second shovel base 90 is tightly attached to the first shovel base 60. When first shovel base 60 butts against slide 40, there is a backward force, and in order to prevent that the backward force acts on first shovel base 60 for a long time and causes first shovel base 60 to become loose, thereby affecting the effect of first shovel base 60, a backhoe, that is, second shovel base 90, needs to be added behind first shovel base 60. Moreover, first blade base 60 is configured to move up and down, and thus, second blade base 90 also needs to be configured to move up and down, so that second blade base 90 can cling to first blade base 60 to play a role of a backhoe.

Further, a second stepped hole 13 and a third mounting groove 14 are arranged on the lower template 10, the second stepped hole 13 includes a fourth hole portion 131, a fifth hole portion 132 and a sixth hole portion 133, the inner diameter of the fourth hole portion 131 and the inner diameter of the sixth hole portion 133 are both greater than the inner diameter of the fifth hole portion 132, the second shovel 90 is mounted in the third mounting groove 14, the injection mold further includes a second guide pillar 100 and a third elastic member 110, one end of the second guide pillar 100 is provided with a second limiting portion 101, the other end of the second guide pillar 100 penetrates through the second stepped hole 13 to be connected with the second shovel 90, the second limiting portion 101 is located in the fourth hole portion 131, the third elastic member 110 is mounted in the sixth hole portion 133 and is elastically compressed between the lower template 10 and the second shovel 90, and the connection mode is simple and reliable. When the hardware product 2 pushes the slide 40 to slide towards the first shovel base 60, the slide 40 pushes the first shovel base 60 to compress the second elastic member 80 to slide upwards, the pressure applied to the third elastic member 110 is less than the elastic force of the third elastic member 110, and the second shovel base 90 slides upwards along with the first shovel base 60 under the action of the third elastic member 110.

Optionally, the third elastic member 110 is a spring or an elastic pad.

Referring to fig. 1 and 2, two pressing blocks 30 are provided, the two pressing blocks 30 are arranged at intervals along the width direction (i.e., Y direction) of the cavity 11, that is, the two pressing blocks 30 are arranged at two sides of the slide 40, the pressing blocks 30 are connected with the lower template 10, a gap is formed between the pressing blocks 30 and the bottom of the slide movable cavity 12, sliding portions 45 are convexly arranged at two sides of the slide 40, the sliding portions 45 are installed in the gap between the pressing blocks 30 and the bottom of the cavity 11, and by reasonably arranging the connection structures between the pressing blocks 30 and the slide 40 and the upper template 20, the structure is simplified while the slide of the slide 40 is realized, and the cost is reduced.

Furthermore, the pressing block 30 is connected with the lower template 10 through a countersunk screw 31, and the connection mode is simple and reliable.

The injection mold provided by the embodiment of the utility model is provided with the slide 40 capable of sliding along the length direction of the cavity 11, and the hardware products 2 with different lengths can be placed in the cavity 11 without looseness by adjusting the position of the slide 40 so as to perform subsequent injection molding operation, so that the problem of batch running or pressing of the hardware products 2 caused by looseness or tightness when the hardware products 2 are placed is avoided, and the injection molding quality of the hardware products 2 can be improved. In addition, the injection mold provided by the embodiment of the utility model has the advantages that the driving relation between the first shovel base 60 and the slide 40 is reasonably set, so that the first shovel base 60 is always attached to the slide 40 during injection molding, and the hardware product 2 is always attached to the slide 40, so that the hardware product 2 is prevented from directly ejecting and retreating the slide 40 under injection molding pressure during injection molding, and the adjusting effect is achieved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The injection mold is adaptive to hardware products with different lengths and is characterized by comprising a lower template, an upper template matched with the lower template, a pressing block, a row position, a first elastic piece and a first shovel base, wherein the lower template is provided with a cavity for placing the hardware products and a row position movable cavity communicated with the cavity, the pressing block is installed in the row position movable cavity, the row position is in sliding connection with the pressing block, the row position slides in the row position movable cavity along the length direction of the cavity, the first elastic piece is elastically compressed between the row position and the lower template along the length direction of the cavity, the row position is provided with a first bonding surface used for bonding with the hardware products and a second bonding surface arranged opposite to the first bonding surface, the second bonding surface is an inclined surface, and the first shovel base is provided with a third bonding surface matched with the second bonding surface, the third laminating face is the inclined plane, first shovel base with cope match-plate pattern elastic connection during cope match-plate pattern and lower bolster compound die, first shovel base with the position laminating of going, and promote the compression of going the position first elastic component is so that the position of going is laminated with the hardware products.

2. The injection mold of claim 1, wherein the slide comprises a body and a boss disposed at one end of the body, the boss has a height lower than that of the body, a surface of the boss facing the cavity is the first abutting surface, a surface of the body opposite to the first abutting surface is the second abutting surface, a surface of the body facing the cavity is provided with a first mounting groove, and the first elastic member is mounted in the first mounting groove.

3. The injection mold of claim 1, wherein the number of the pressing blocks is two, the two pressing blocks are arranged at intervals along the width direction of the cavity, the pressing blocks are connected with the lower template, a gap is formed between the pressing blocks and the bottom of the slide movable cavity, sliding parts are convexly arranged on two sides of the slide, and the sliding parts are arranged in the gap.

4. The injection mold according to claim 1, wherein the upper mold plate is provided with a first stepped hole and a second mounting groove, the first stepped hole comprises a first hole portion, a second hole portion and a third hole portion, an inner diameter of the first hole portion and an inner diameter of the third hole portion are both larger than an inner diameter of the second hole portion, the first shovel base is mounted in the second mounting groove, the injection mold further comprises a first guide pillar and a second elastic member, one end of the first guide pillar is provided with a first limiting portion, the other end of the first guide pillar passes through the first stepped hole and is connected with the first shovel base, the first limiting portion is disposed in the first hole portion, and the second elastic member is mounted in the third hole portion and is elastically compressed between the upper mold plate and the first shovel base.

5. The injection mold according to claim 1, further comprising a second blade base, wherein the first blade base further has a fourth abutting surface disposed opposite to the third abutting surface, the fourth abutting surface is an inclined surface, the second blade base has a fifth abutting surface mutually matched with the fourth abutting surface, the fifth abutting surface is an inclined surface, the second blade base is elastically connected to the lower mold plate, and the second blade base moves along with the first blade base.

6. The injection mold according to claim 5, wherein the lower mold plate is provided with a second step hole and a third mounting groove, the second step hole comprises a fourth hole portion, a fifth hole portion and a sixth hole portion, the inner diameter of the fourth hole portion and the inner diameter of the sixth hole portion are both larger than the inner diameter of the fifth hole portion, the second shovel base is mounted in the third mounting groove, the injection mold further comprises a second guide pillar and a third elastic member, one end of the second guide pillar is provided with a second limiting portion, the other end of the second guide pillar passes through the second step hole and is connected with the second shovel base, the second limiting portion is disposed in the fourth hole portion, and the third elastic member is mounted in the sixth hole portion and is elastically compressed between the lower mold plate and the second shovel base.