CN210702564U

CN210702564U - Die set

Info

Publication number: CN210702564U
Application number: CN201921895824.4U
Authority: CN
Inventors: 周浪
Original assignee: Suzhou Yu'anjun Precision Technology Co Ltd
Current assignee: Suzhou Yu'anjun Precision Technology Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-09
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a mold, include: the fixed die component comprises a plurality of fixed die cores positioned in the fixed die core, the movable die component comprises an ejection unit, the movable die core and a plurality of movable die cores positioned in the movable die core, each movable die core comprises a square through hole which transversely penetrates through the movable die plate, square blocks arranged in the square through holes, concave shapes arranged at the edges of the square through holes and two annular grooves arranged at the outer sides of opposite angles of the square through holes, a block groove is formed in the center of each square block, and each fixed die core and the movable die cores corresponding to the fixed die core are matched to form a forming cavity. The second ejector pin is used for ejecting a molded product and molding the product, so that the difficulty of injection filling and the difficulty of ejection of the molded product are reduced, the product is well injection molded and has no defects, the dimensional tolerance and the appearance requirement of a finished product meet or even exceed the requirements of a drawing, and the product is stable in volume production.

Description

Die set

Technical Field

The utility model relates to a mould field belongs to the forming die of a metalwork.

Background

In the prior art, when a thin-wall part product, especially a mobile phone camera mounting bracket metal part is molded, the difficulty of metal powder injection filling of a selected traditional mold is quite large, and the ejection of the injection molded product also has quite large difficulty. Therefore, the size precision of the finished product exceeds the tolerance range, the appearance cannot meet the requirement of a drawing, the final product cannot meet the requirement of a design drawing, and the reject ratio of the product is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould can produce the cell-phone camera installing support metalwork of this kind of thin wall.

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

a mold, comprising:

the fixed die assembly comprises a fixed die base plate and a fixed die plate fixedly connected with the fixed die base plate, wherein a positioning ring penetrating through the fixed die base plate is arranged at the center of the fixed die base plate, a pouring gate corresponding to the positioning ring and a fixed die groove part sunken from one side of the fixed die plate to the inside of the fixed die plate are arranged on the fixed die plate, the fixed die assembly further comprises a fixed die core accommodated in the fixed die groove part, and the fixed die core is fixed on the fixed die plate;

the movable die assembly comprises a movable die base plate, cushion blocks correspondingly and vertically arranged on two sides of the movable die base plate, and a movable die plate fixedly connected with the movable die base plate and the cushion blocks, wherein the two cushion blocks, the movable die base plate and the movable die plate jointly enclose an accommodating space, the movable die plate is provided with a movable die groove portion recessed towards the interior of the movable die plate from one side of the movable die plate, the movable die assembly further comprises an ejection unit accommodated in the accommodating space and a movable die core accommodated in the movable die groove portion;

the guide component comprises a guide post fixed on the fixed die base plate and a guide sleeve sleeved on the guide post,

the fixed die assembly also comprises a plurality of fixed die cores positioned in the fixed die core, and each fixed die core is provided with a pouring gate; the movable mould subassembly is still including being located a plurality of movable mould cores in the movable mould benevolence, every movable mould core includes that one crosses movable mould board's square through hole, setting are in square block in the square through hole, setting are in the spill at square through hole edge and setting are in two annulars in a square through hole diagonal angle outside, every square block central point puts and is provided with the block recess, every the cover half core with correspond rather than the position movable mould core cooperation is in order to constitute a shaping die cavity.

Further, the ejection unit comprises an ejector pin push plate close to the movable mould base plate, a push plate fixing plate fixedly connected with the ejector pin push plate and an ejector pin penetrating through the push plate fixing plate and arranged towards the fixed mould component.

Furthermore, the ejector pins comprise a first ejector pin for ejecting a molded product and a second ejector pin for molding the product and ejecting the molded product.

Furthermore, the first ejector pins penetrate through the four corners of the square block body, the second ejector pins penetrate through the center of the square block body, and the top ends of the second ejector pins are lower than the block body grooves.

Furthermore, the ejection unit also comprises a directional assembly, and the directional assembly comprises a directional column and a directional sleeve arranged in the ejector pin push plate and the push plate fixing plate.

Further, ejecting unit still includes the reset unit, the reset unit includes the release link and overlaps and establish spring on the release link.

Furthermore, the fixed die core is also convexly provided with a convex column corresponding to the annular groove and a convex block corresponding to the block groove.

Further, the pouring gate passes through the projection.

Further, the number of the fixed mold cores is 4.

Furthermore, the movable die assembly also comprises a supporting rod which is fixed on the movable die base plate and is used for supporting the movable die plate.

The beneficial effects of the utility model reside in that: the fixed die cores and the movable die cores corresponding to the fixed die cores are matched to form a molding cavity for molding metal parts, and four molding cavities are formed, and the second ejector pins are used for ejecting molded products and molding products, so that the difficulty of injection filling and the ejection difficulty of the molded products are reduced, the injection molding of the products is good, no defect exists, the dimensional tolerance and the appearance requirement of finished products meet or even exceed the requirements of drawings, and the mass production of the products is stable.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a first perspective view of the present invention.

Fig. 3 is a second perspective view of the present invention.

FIG. 4 is a third perspective view of the present invention

FIG. 5 is a schematic view of the cavity block, cavity block and runner.

Fig. 6 is a perspective view of the cavity insert.

Fig. 7 is a first perspective view of the movable mold core.

Fig. 8 is a second perspective view of the movable mold core.

FIG. 9 is an exploded view of the gate, the cavity, the metal part, the cavity and the pin.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model discloses a mould, this mould are used for producing the product of cell-phone camera installing support metalwork 5 of a thin wall, and this product structure is conventional design, no longer gives unnecessary details here.

As shown in fig. 1 to 9, the mold comprises a fixed mold component 1, a movable mold component 2, a fixed component 3 and a guide component 4, wherein the fixed mold component 1 is opposite to the movable mold component 2 in position and is used for matching with a formed metal piece 5, and the guide component 4 is used for guiding the relative position of the movable mold component 2 and the fixed mold component 1, so that no deviation is ensured to ensure the quality of the metal piece 5. When the die is used for preparing a product, the fixed die assembly 1 and the movable die assembly 2 are fixed through the fixing assembly 3, so that the fixed die assembly and the movable die assembly are mutually closed, and the precision of the metal piece 5 is ensured. And when this mould need put in storage, can fix through fixed subassembly 3 fixed cover half subassembly 1 with movable mould subassembly 2 for both are closed each other, can avoid the inside original paper of mould to receive the damage when guaranteeing the assembly precision of metalwork 5.

Specifically, the fixed die assembly 1 comprises a fixed die base plate 10, a runner push plate 12 located below the fixed die base plate 10, and a fixed die plate 11 located below the runner push plate 12. The central point of the fixed mold base plate 10 is provided with a positioning ring 13 which runs through the fixed mold base plate 10, the fixed mold plate 11 is provided with a sprue 14 corresponding to the positioning ring 13 and a fixed mold groove part (not shown) which is recessed from one side of the fixed mold plate 11 to the inside of the fixed mold plate 11, the positioning ring 13 corresponds to a gun platform position on the injection molding machine and is used for guiding the gun platform to enable the injection molding machine to accurately inject rubber materials into the mold, and the sprue 14 is used for guiding the injection molding rubber materials to enter the mold.

The fixed die assembly 1 further comprises a fixed die core 16 accommodated in the fixed die groove portion and a plurality of fixed die cores 160 positioned in the fixed die core 16, and the fixed die cores 160 are used for being matched with the movable die assembly 2 to mold a metal piece 5. In this embodiment, the number of the fixed mold cores 160 is 4, and the fixed mold cores 160 are uniformly distributed in the fixed mold core 16. Indeed, in other embodiments, the number of the fixed model 160 may be other, and is not limited herein, depending on the actual situation.

The movable mould component 2 comprises a movable mould base plate 20, cushion blocks 21 which are correspondingly and vertically arranged on two sides of the movable mould base plate 20 and a movable mould plate 22 fixedly connected with the movable mould base plate 20 and the cushion blocks 21, wherein two accommodating spaces are formed by the cushion blocks 21, the movable mould base plate 20 and the movable mould plate 22 in an enclosing mode. The movable mold assembly 2 further comprises 4 support rods 23 accommodated in the accommodating space and fixed on the movable mold base plate 20, and the support rods 23 are used for supporting the movable mold plate 22 and preventing the movable mold plate 22 from deforming. A movable mold recess (not shown) in which the movable mold 22 is recessed from the movable mold 22 toward the inside of the movable mold 22. The movable mold assembly 2 further comprises an ejection unit accommodated in the accommodating space, a movable mold core 24 accommodated in the movable mold groove portion, and a plurality of movable mold cores 240 located in the movable mold core 24. In the present embodiment, the fixed mold cores 240 are provided in the number of 4. The fixed mold cores 240 are distributed in the movable mold core 24 and each fixed mold core 160 is matched with the corresponding movable mold core 240 to form a molding cavity. The movable mold base plate 20, the cushion block 21 and the movable mold plate 22 are sequentially arranged from bottom to top, and the fixed mold base plate 10, the runner push plate 12 and the fixed mold plate 11 are sequentially arranged from top to bottom, so that the fixed mold component 1 and the movable mold component 2 can be relatively matched.

The ejection unit comprises an ejector pin push plate 25 arranged close to the movable mold base plate 20, a push plate fixing plate 26 fixedly connected with the ejector pin push plate 25, and an ejector pin 27 penetrating through the push plate fixing plate 26 and arranged towards the fixed mold assembly 1. The ejector pins 27 include a first ejector pin 271 for ejecting the product and a second ejector pin 272 for molding and ejecting the product. An ejector rod (not shown) is arranged on the injection molding machine, an ejector rod through hole (not shown) matched with the ejector rod is arranged on the movable mold base plate 20, the ejector rod penetrates through the ejector rod through hole and is abutted against the ejector pin push plate 25, and therefore when the injection molding machine pushes the ejector rod, the ejector rod is pushed and sequentially pushes the ejector pin push plate 25 and the push plate fixing plate 26 to move together along the movement direction of the ejector rod. The ejector plate fixing plate 26 and the ejector plate 25 also together define one end of the ejector pin 27, so that the ejector pin 27 can be pushed by the ejector pin to move toward the fixed mold assembly 1. The ejector pin 27 is matched with the metal piece 5 to be injected, and the metal piece 5 can be ejected out of the movable mold core 24 after the mold is opened. The ejection unit further includes an orientation assembly 29 penetrating the ejector pin push plate 25 and the push plate fixing plate 26. The orientation assembly 29 comprises an orientation column 291 and an orientation sleeve 292 disposed in the ejector plate 25 and the plate retainer plate 26. The number of the orientation columns 291 is 2, and the orientation columns are distributed on two sides of the movable die base plate 20. The orientation column 291 is engaged with the movable mold base plate 20 at one end and freely extends into the movable mold plate 22 at one end. When the ejector rod is pushed and pushes the ejector pin push plate 25 and the push plate fixing plate 26 to move along the movement direction of the ejector rod in turn, the orientation component 29 fixes the ejector pin push plate 25 and the push plate fixing plate 26 to move simultaneously.

The ejection unit further comprises a reset unit 28, the reset unit 28 comprises a reset rod 281 and springs 282 sleeved on the reset rod 281, the number of the reset rod 281 and the number of the springs 282 are set to be 4, and the springs are uniformly distributed on 4 corners of the push plate fixing plate 26. Reset lever 281 one end is spacing be in between push pedal fixed plate 26 and the thimble push pedal 25, the other end can be free run through movable mould board 22 and with the fixed die plate 11 butt, the reset lever centers on the thimble 27 sets up, consequently reset lever 281 can lead push pedal fixed plate 26, thimble push pedal 25 and thimble 27 avoid thimble 27 to remove crooked and receive the damage. When the ejector pin 27 pushes the product, the reset rod can assist in pushing the fixed die plate 11. The spring 282 has a portion that extends into the movable platen 22 to limit its position relative to the movable platen 22, and another portion that is disposed to protrude from the movable platen 22 and the protruding portion abuts against the push plate fixing plate 26. When the mold is opened, the ejector pins 27 are pushed out by ejector pins of the injection molding machine, the product is taken out, the ejector pins retract, the ejector units are reset by the elastic force of the springs 282, and the mold is closed. However, when the spring 282 fails or the reset fails due to external reasons, and the mold is clamped, the reset rod 281 can directly abut against the fixed mold plate 11, so as to prevent the ejector pin 27 from being directly acted by the clamping force, and further protect the ejector pin 27 from being damaged.

The embodiment includes 4 identical molding cavities of the mobile phone lens holder, which are formed by matching the fixed mold core 160 and the movable mold core 240 corresponding to the fixed mold core in position, and the molding cavities are used for molding the metal piece 5, and a description will be given by taking one molding cavity as an example. The movable mold core 240 includes a square through hole 241 crossing the movable mold plate, a square block 242 provided in the square through hole 241, a concave shape 243 provided at an edge of the square through hole 241, and a first ring groove 244 and a second ring groove 245 provided outside a pair of corners of the square through hole 241, each of the square blocks 242 having a block groove 2421 provided at a central position. First thimbles 271 for ejecting a molded product penetrate through the four corners of the square block 242, second thimbles 272 for molding the product and ejecting the molded product penetrate through the center of the square block 242, the top ends of the second thimbles 272 are lower than the block grooves 2421, and the top ends of the second thimbles 272, the fixed mold core 160 and the movable mold core 240 are matched to form a molding cavity. The fixed mold core 160 is convexly provided with a first convex column 161 corresponding to the annular groove of the first annular groove 244, a first convex column 162 corresponding to the annular groove of the first annular groove 245, and a convex block 163 corresponding to the block groove 2421. The gate passes through the bump center 164 of the bump 163. The pouring channel 141 communicated with the pouring gate 14 is divided into 4 pouring channels 141 in the fixed mold plate 11, and a pouring gate (not shown) corresponding to each pouring channel 141 penetrates through the bump center 164 to enter each molding cavity, so that the difficulty of injection filling is reduced.

The utility model discloses in, when the fort of injection molding machine passes through runner 14 with the material and pours into the die cavity, can the shaping metalwork 5, the ejecting unit of rethread is ejecting with metalwork 5, accomplishes whole process of moulding plastics so far.

The guide assembly 4 includes a guide post 41 and a guide sleeve 42 sleeved on the guide post. The number of the guide columns 41 is 4, the guide columns are uniformly distributed at 4 corners of the fixed die base plate 10 and are limited between the fixed die base plate 10 and the injection molding machine. One end of the guide post 41 is clamped in the fixed mold base plate 10, and the other end of the guide post can freely extend into the cushion block 21. The fixed die assembly 1 and the movable die assembly 2 are both provided with guide sleeves 42, and the guide sleeves 42 are correspondingly matched with the guide columns 41 and are uniformly distributed on 4 corners of the fixed die plate 11 and the movable die plate 22. When the mold is opened, the guide post 41 is separated from the guide sleeve 42 in the movable mold plate 22, the movable mold component 2 is far away from the fixed mold component 1, when the mold is closed, the guide post 41 penetrates the guide sleeve 42 in the movable mold plate 22, and the movable mold component 2 and the fixed mold component 1 form a cavity for molding the metal piece 5.

The fixing member 3 includes a fixing strip 31 and a fixing piece 32. The two ends of the fixing strip 31 are provided with fixing holes, the fixing strip 31 is fixed on the fixed die plate 11 and the movable die plate 22 through two fixing holes by a screw 311 or a bolt 311, the four top ends of the fixing piece 32 are provided with fixing holes, the fixing piece 32 is fixed on the fixed die plate 11 and the movable die plate 22 through two fixing holes by a screw 321 or a bolt 321, and the fixing piece 32 is arranged between the fixed die plate 11 and the movable die plate 22 on each side. The fixed strip 31 and the fixed sheet 32 ensure that the relative position of the fixed die assembly 1 and the movable die assembly 2 is unchanged. When the die is used for preparing products, the fixed die assembly 1 and the movable die assembly 2 are fixed through the fixing pieces 32, and when the die needs to be stored in a warehouse, the fixed die assembly 1 and the movable die assembly 2 can be fixed through the fixing strips 31 and the fixing pieces 32, so that the fixed die assembly 1 and the movable die assembly 2 are mutually closed.

The beneficial effects of the utility model reside in that: the fixed die cores and the movable die cores corresponding to the fixed die cores are matched to form a molding cavity for molding the metal piece 5, four molding cavities are formed, and the second ejector pins are used for ejecting a molded product and molding the product, so that the difficulty of injection filling and the ejection difficulty of the molded product are reduced, the product is good in injection molding and free of defects, the dimensional tolerance and the appearance requirement of a finished product meet or even exceed the requirements of a drawing, and the product is stable in volume production.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A mold, comprising:

the movable die assembly comprises a movable die base plate, cushion blocks correspondingly and vertically arranged on two sides of the movable die base plate, and a movable die plate fixedly connected with the movable die base plate and the cushion blocks, wherein the two cushion blocks, the movable die base plate and the movable die plate jointly enclose an accommodating space, the movable die plate is provided with a movable die groove portion recessed towards the inside of the movable die plate from one side of the movable die plate, the movable die assembly further comprises an ejection unit accommodated in the accommodating space and a movable die core accommodated in the movable die groove portion;

the fixed die assembly is characterized by further comprising a plurality of fixed die cores positioned in the fixed die core, and each fixed die core is provided with a pouring gate; the movable mould subassembly is still including being located a plurality of movable mould cores in the movable mould benevolence, every movable mould core includes that one crosses movable mould board's square through hole, setting are in square block in the square through hole, setting are in the spill at square through hole edge and setting are in two annulars in a square through hole diagonal angle outside, every square block central point puts and is provided with the block recess, every the cover half core with correspond rather than the position movable mould core cooperation is in order to constitute a shaping die cavity.

2. The mold according to claim 1, wherein the ejection unit comprises a pin pushing plate disposed adjacent to the movable mold base plate, a plate fixing plate fixedly connected to the pin pushing plate, and a pin penetrating the plate fixing plate and disposed toward the stationary mold assembly.

3. The mold of claim 2, wherein said ejector pins comprise a first ejector pin for ejecting the molded product and a second ejector pin for molding the product and ejecting the molded product.

4. The mold of claim 3, wherein said first pins are disposed through the four corners of said square block, said second pins are disposed through the center of said square block, and the top ends of said second pins are lower than said block recess.

5. The mold of claim 2, wherein the ejection unit further comprises an orientation assembly, the orientation assembly comprising an orientation post and an orientation sleeve disposed within the ejector push plate and the push plate retainer plate.

6. The mold of claim 5, wherein the ejection unit further comprises a reset unit, and the reset unit comprises a reset rod and a spring sleeved on the reset rod.

7. The mold of claim 1, wherein the fixed mold core is further provided with a projection corresponding to the ring groove and a projection corresponding to the block groove.

8. A mold as in claim 7 wherein said gate extends through said boss.

9. A mold as claimed in claim 7, wherein the fixed mold core is provided in a number of 4.

10. The mold of claim 1, wherein said movable mold assembly further comprises a support bar fixed to said movable mold base plate for supporting said movable mold plate.