CN204309205U - A general-purpose mold component for a mold base - Google Patents

Abstract

The utility model discloses a general formula mould subassembly of mould embryo, including mould embryo and mould benevolence, its characterized in that: the mould embryo include front mould board and back template, mould benevolence includes front mould benevolence and back mould benevolence, the front mould board on install the front mould handle, the part that the front mould handle stretched into the front mould board becomes U type structure, the front mould handle cooperatees with the front mould benevolence briquetting at front mould benevolence top and realizes fixing, the back template on install the back mould handle, the part that the back mould handle stretched into the back template becomes U type structure, the back mould handle cooperatees with the back mould benevolence briquetting of back mould benevolence bottom and realizes fixing. The utility model provides a quick mould structure, mould embryo structure can share, great shortening the die sinking cycle, can realize trading components such as mould benevolence, thimble, oblique top, mold insert on the injection molding machine, have that the standardization level is high, low in production cost, convenient assembling and precision are high advantage.

Description

A general-purpose mold component for a mold base

technical field

The utility model relates to an injection mold, in particular to a universal mold assembly for mold blanks.

Background technique

At present, the industrial application of molds is becoming more and more widespread. Injection molds are molds used to produce mobile phone cases and other products. Through injection molds, injection materials can be formed into plastic products with complete structures and precise dimensions. With the continuous growth of the mobile phone shell market, the requirements for the precision, service life, and maintenance performance of the corresponding injection molds are also increasing. However, the existing injection molds have complex structures, high production costs, inconvenient assembly, and low precision. Problems are not conducive to plastic product manufacturers to improve their competitiveness.

Contents of the invention

Aiming at the deficiencies of the prior art, the utility model provides a general-purpose mold assembly for mold bases with convenient assembly and use, high degree of standardization, low production cost and high precision.

The technical solution of the utility model is: a mold base universal mold assembly, including a mold base and a mold core, characterized in that: the mold base includes a front template and a rear template, and the mold core includes a front mold core and a rear mold core, A front mold handle for fixing the front mold core is installed on the front template, and a rear mold handle for fixing the rear mold core is installed on the rear template.

In the mold base, a front template pressing block, a nozzle plate and a panel are sequentially installed above the front template, a positioning ring is installed on the panel, a spout block is installed between the panel and the spout plate, and a spout block is installed in the spout block. There is a nozzle that runs through the nozzle plate and communicates with the front formwork pressing block. The four corners of the front formwork and the rear formwork are equipped with guide posts for use together. A support plate is fixed below the rear formwork. The bottom of the support plate is left and right. Both sides are connected to the outer bottom plate through an outer square iron. The middle part of the outer bottom plate is provided with an outer ejector hole, and a movable outer thimble bottom plate and an outer thimble panel are sequentially installed on the top of the outer bottom plate. The four corners of the outer thimble panel are The outer return needle spring is connected with the support plate, and the middle part of the outer thimble panel is equipped with an inner ejector rod, and the inner ejector rod penetrates through the inner ejector rod hole of the support plate and protrudes upward.

In the mold core, both the front mold core and the rear mold core are in the shape of a cuboid, a product cavity is formed between the parting surfaces of the front mold core and the rear mold core, and the top of the front mold core has a front mold with a feed flow channel Kernel briquetting blocks, the four side walls of the front mold core are equipped with mold core tube position blocks, and each mold core tube position block is embedded in the corresponding chute of the rear mold core; the bottom of the rear mold core The rear mold core briquetting block is installed, and the left and right sides of the bottom of the rear mold core briquetting block are respectively connected to the inner bottom plate through a piece of inner square iron. The inner ejector pin hole is arranged in the middle of the inner bottom plate, and the movable inner ejector pin bottom plate is sequentially installed above the inner bottom plate. and the inner thimble panel, the four corners of the inner thimble panel are connected to the rear mold core pressing block through the inner return needle spring; the rear mold core is provided with a slanted top and several thimbles that match the sliding gap of the corresponding core. The top and bottom are connected with the push rod installed on the inner thimble panel, the bottom of the thimble is installed on the inner thimble panel, and the inner thimble panel is fixed on the inner thimble bottom plate.

Preferably, the part of the front mold handle extending into the front template forms a U-shaped structure, the front mold handle cooperates with the front mold core pressing block on the top of the front mold core to achieve fixation, and the part of the rear mold handle extending into the rear template forms a U shape. type structure, the rear mold handle is matched with the rear mold core pressing block at the bottom of the rear mold core to achieve fixation; several small tie rods are arranged between the front template and the rear template; There are several shutter sleeves and corresponding shutter seats for positioning; several garbage nails for supporting the outer thimble bottom plate are installed on the outer bottom plate; both the front mold core and the rear mold core are Equipped with cooling water pipes.

The beneficial effects of the utility model are as follows: 1. The mold blanks can be shared, which can reduce mold costs and processing costs. 2. The common use of mold blanks realizes the standardization of molds, which can greatly shorten the production cycle of molds. 3. The mold does not need to be installed in the FIT mold inside the mold base, which reduces the assembly workload. 4. The precision of the mold is high, and all mechanisms are positioned on the core of the mold, which reduces the problem of fit tolerance. 5. The mold base has high versatility and interchangeability. 6. The mold can quickly change the mold core, row position, inclined top, insert, thimble, cylinder and other parts under the condition that the mold cannot be lowered for injection molding. 7. Avoid wasting time and manpower on the upper and lower molds.

Description of drawings

Fig. 1 is a schematic sectional view of the utility model.

In the figure, 1-locating ring, 2-jet mouth block, 3-jet mouth, 4-front template briquetting block, 5-front mold core briquetting block, 6-front mold core, 7-opener cover, 8-mode Core tube block, 9-small tie rod, 10-rear mold core, 11-opener seat, 12-rear mold core briquetting block, 13-inner square iron, 14-inner thimble panel, 15-inner thimble bottom plate, 16 -inner bottom plate, 17-inner ejector rod, 18-outer needle spring, 19-garbage nail, 20-outer bottom plate, 21-outer thimble bottom plate, 22-outer thimble panel, 23-outer square iron, 24-support plate, 25-rear mold handle, 26-rear template, 27-inner return needle spring, 28-guide column, 29-inclined top, 30-front template, 31-front mold handle, 32-nozzle plate, 33-panel.

Detailed ways

The specific embodiment of the utility model will be further described below in conjunction with accompanying drawing:

As shown in Figure 1, a mold base universal mold assembly includes a mold base and a mold core, the mold base includes a front template 30 and a rear template 26, and the mold core includes a front mold core 6 and a rear mold core 10, so A front mold handle 31 is installed on the front template 30 described above, and the part of the front mold handle 31 extending into the front template 30 forms a U-shaped structure. Cooperate to realize fixing, the other two opposite sides of the front mold core block 5 are embedded in the front template 30, the rear mold handle 25 is installed on the rear template 26, and the part of the rear mold handle 25 extending into the rear template 26 forms a U Type structure, the rear mold handle 25 cooperates with the two opposite sides of the rear mold core briquetting block 12 at the bottom of the rear mold core 10 to achieve fixation, and the other two opposite sides of the rear mold core briquetting block 12 are embedded in the rear template 26;

In the mold base of this embodiment, the front formwork pressing block 4, the nozzle plate 32 and the panel 33 are successively installed on the top of the front formwork 30, the positioning ring 1 is installed on the panel 33, and the panel 33 and the nozzle plate 32 are installed. There is a nozzle block 2, and the nozzle block 2 is installed with a nozzle 3 that penetrates the nozzle plate 32 and communicates with the front template pressing block 4, and the four corners of the front template 30 and the rear template 26 are equipped with guides for use together. Column 28, a support plate 24 is fixed below the rear template 26, the left and right sides of the bottom of the support plate 24 are respectively connected to the outer bottom plate 20 through an outer square iron 23, and the middle part of the outer bottom plate 20 is provided with an outer ejector hole. A movable outer thimble base plate 21 and an outer thimble panel 22 are sequentially installed above the outer bottom plate 20, the four corners of the outer thimble panel 22 are connected to the support plate 24 through the outer return needle spring 18, and an inner ejector rod is installed in the middle of the outer thimble panel 22 17. The inner ejector pin 17 runs through the inner ejector pin hole of the support plate 24 and protrudes upwards, and at the same time, the front mold core 6 and the rear mold core 10 are provided with cooling water pipes;

In the mold core of this embodiment, the front mold core 6 and the rear mold core 10 are all in the shape of a cuboid, and a product cavity is formed between the parting surfaces of the front mold core 6 and the rear mold core 10, and the top of the front mold core 6 has a The front mold core briquetting block 5 is provided with a feed flow channel, the mold core tube position blocks 8 are installed on the four side walls of the front mold core 6, and each mold core tube position block 8 is embedded in the rear mold core 10 in the corresponding chute; the bottom of the rear mold core 10 is equipped with a rear mold core briquetting block 12, and the left and right sides of the bottom of the rear mold core briquetting block 12 are respectively connected to the inner bottom plate 16 through an inner square iron 13, and the inner bottom plate 16 There is an inner ejector hole in the middle, and a movable inner thimble bottom plate 15 and an inner thimble panel 14 are sequentially installed above the inner bottom plate 16, and the four corners of the inner thimble panel 14 are connected to the rear mold core pressing block 12 through the inner return needle spring 27 ; The rear mold core 10 is provided with an inclined top 29 and several thimbles that are matched with the sliding gap of the corresponding core, the bottom of the inclined top 29 is connected with the push rod installed on the inner thimble panel 14, and the bottom of the thimble is installed on the inner thimble On the panel 14, the inner thimble panel 14 is fixed on the inner thimble bottom plate 15, and the left and right sides of the front template 30 and the rear template 26 are respectively provided with two small pull rods 9 and two sets of shutter covers 7 for positioning and corresponding The shutter seat 11, the outer bottom plate 20 is equipped with several garbage nails 19 for supporting the outer thimble bottom plate 21.

In specific implementation, when the molten material enters the product cavity and forms the corresponding plastic product, the mold is opened after the pressure is maintained and cooled, and then the inner thimble bottom plate 15 and the inner thimble panel 14 are pushed to the inclined ejector under the action of the inner ejector rod 17 29 and thimble (bit diagram), push out the formed product together, and after the product is taken out, the inner thimble bottom plate 15 and the inner thimble panel 14 are reset by the inner return needle spring 27 to complete the single molding cycle of the product. During the molding cycle, the outer thimble bottom plate 21 , the outer thimble panel 22 and the outer return needle spring 18 also perform corresponding advancing and reset actions at the same time. Therefore, the rapid mold structure provided by the utility model and the mold base structure can be shared, which greatly shortens the mold opening cycle, and can realize the replacement of mold cores, thimbles, inclined tops, inserts and other components on the injection molding machine, with a high degree of standardization , low production cost, convenient assembly and high precision are beneficial to plastic product manufacturers to quickly improve product competitiveness.

What described in above-mentioned embodiment and description just illustrates the principle of the utility model and the best embodiment, under the premise of not departing from the spirit and scope of the utility model, the utility model also can have various changes and improvements, these changes and improvements All fall within the scope of the utility model claimed.

Claims (6)

1. A mold base universal mold assembly, comprising a mold base and a mold kernel, characterized in that: the mold base includes a front template and a back template, and the mold kernel includes a front mold kernel and a back mold kernel, and on the front template A front mold handle for fixing the front mold core is installed, and a rear mold handle for fixing the rear mold core is installed on the rear template. 2. The mold base universal mold assembly according to claim 1, characterized in that: in the mold base, a front formwork briquetting block, a nozzle plate and a panel are successively installed above the front formwork, and the described panel is equipped with The positioning ring, the nozzle block is installed between the panel and the nozzle plate, the nozzle block is installed through the nozzle plate and communicated with the front template pressing block, and the four corners of the front template and the rear template are installed with matching For the guide column used, a support plate is fixed under the rear formwork, and the left and right sides of the bottom of the support plate are respectively connected to the outer bottom plate through a piece of outer square iron. A movable outer thimble bottom plate and an outer thimble panel are installed, the four corners of the outer thimble panel are connected to the support plate through the outer return needle spring, and an inner ejector rod is installed in the middle of the outer thimble panel, and the inner ejector rod penetrates the inner ejector of the support plate The rod hole protrudes upwards. 3. The mold base universal mold assembly according to claim 2, characterized in that: several small pull bars are arranged between the front template and the rear template, and several tie rods are also arranged between the front template and the rear template. Based on the positioned shutter cover and the corresponding shutter seat, several garbage nails for supporting the outer thimble bottom plate are installed on the outer bottom plate. 4. The mold base universal mold assembly according to claim 1, characterized in that: in the mold core, a product cavity is formed between the parting surfaces of the front mold core and the rear mold core, and the top of the front mold core has The front mold core briquetting block is provided with a feed flow channel, and the mold core tube position blocks are installed on the four side walls of the front mold core, and each mold core tube position block is embedded in the corresponding chute of the rear mold core Middle; the bottom of the rear mold core is equipped with a rear mold core briquetting block, and the left and right sides of the bottom of the rear mold core briquetting block are respectively connected to the inner bottom plate through a piece of inner square iron. A movable inner thimble bottom plate and an inner thimble panel are installed in turn, and the four corners of the inner thimble panel are connected to the rear mold core pressing block through the inner return needle spring; the rear mold core is provided with a sliding gap matching with the corresponding core The inclined top and several thimbles, the bottom of the inclined top is connected with the push rod installed on the inner thimble panel, the bottom of the thimble is installed on the inner thimble panel, and the inner thimble panel is fixed on the inner thimble bottom plate. 5. The mold base universal mold assembly according to claim 4, characterized in that: the part of the front mold handle extending into the front template forms a U-shaped structure, and the front mold handle is pressed against the front mold core on the top of the front mold core. Blocks cooperate to realize fixing, and the part of the back mold handle extending into the back formwork forms a U-shaped structure, and the back mold handle cooperates with the back mold core pressing block at the bottom of the back mold core to realize fixation. 6. The mold base universal mold assembly according to claim 4, characterized in that: the front mold core and the rear mold core are both provided with cooling water pipes.