CN207240710U - A general injection mold structure - Google Patents

Abstract

The utility model provides a general injection mold structure, which comprises a mold core seat, wherein the mold core seat is provided with an installation opening, and one end of the mold core seat is provided with an injection molding channel; be equipped with first module, m group second module, third module and n group cushion module in the installing opening in proper order, first module is located the one end that is close to the passageway of moulding plastics, is equipped with shaping portion in the second module, and the shaping portion structure of each group second module is inequality, and the thickness of each group cushion module is all inequality, and the shape size of first module, second module, third module and cushion module the latter half side is the same. The utility model discloses carry out the modularized design to the cushion, obtain the cushion module that thickness is different, through the different cushion modules of permutation and combination, can match the different combinations of plastic part, produce different plastic parts, several groups of cushion modules just can adapt to the demand behind most plastic part combinations, and the input cost is low, and the delivery phase of product is short.

Description

A general injection mold structure

technical field

The utility model relates to an injection mold structure, and specifically discloses a general injection mold structure.

Background technique

Injection mold is a tool for producing plastic products. It is composed of several groups of parts. There is a molding cavity in this combination. During injection molding, the mold is clamped on the injection molding machine, and the molten plastic cup is injected into the molding cavity, and in the cavity After internal cooling and shaping, the upper and lower parts are separated, and the product is ejected from the mold cavity through the ejector system to leave the mold. Finally, the mold is closed again for the next injection molding. The entire injection molding process is cyclical.

The shape of the traditional injection mold is fixed. A set of molds can only be used for the production of one product. Different products need to use different molds for production. The investment cost of the mold is high, and the line change time is long, and the production efficiency is low. . In the existing technology, the modular design of the mold is used to form different plastic parts, which can meet the needs of more specifications. Different combinations of plastic parts need to use special pads to be installed in the mold core seat. Products of different specifications need to be combined with different Plastic parts, different combinations of plastic parts need to invest extra cost to make special spacers, the delivery time of the product is long, and the input cost is high.

Utility model content

Based on this, it is necessary to provide a general-purpose injection mold structure for the existing technical problems, and realize the modular design of the block. By combining different block modules, the position of the plastic parts can be stabilized, the input cost is low, and the delivery time of the product is low. short term.

In order to solve the problems in the prior art, the utility model discloses a general injection mold structure, which includes a mold core seat, an installation opening is arranged in the mold core seat, and an injection channel is provided at one end of the mold core seat;

The first module, m groups of second modules, third modules and n groups of spacer modules are sequentially arranged in the installation opening, the first module is located at one end close to the injection channel, the second module is provided with a molding part, each group of second modules The structure of the molding part is different, the thickness of each group of spacer modules is not the same, and the shapes and sizes of the side surfaces of the first module, the second module, the third module and the lower half of the spacer module are the same.

Further, the bottom of the junction between the mold core seat and the installation opening is provided with a mold core positioning groove, and the bottoms of the first module, the second module, the third module and the spacer module are all provided with module locking protrusions.

Further, bottoms of the first module, the second module, the third module and the spacer module are provided with a bottom plate.

Further, a thimble relief groove is provided in the bottom plate.

Further, a first clamping plate and a second clamping plate are respectively provided on both sides of the first module, the second module, the third module and the spacer module.

Further, the first clamping plate is located on the side close to the module card positioning protrusion, and the bottom of the side of the first clamping plate close to the module card positioning protrusion is provided with a clamping card position groove, and the first clamping plate is far away from the module card The bottom of one side of the position protrusion is provided with a clamping position protrusion.

Further, the first module is provided with a distribution channel, and the distribution channel communicates with the injection channel.

Further, a first partition board is fixed on the first module, and a third partition board is fixed on the third module.

Combine different second modules according to requirements to obtain m groups of second modules arranged side by side, respectively set the first module and the third module before and after the m groups of second modules arranged side by side, and combine the combined first module, The second module and the third module are inserted into the installation opening, the first module is close to the inner wall of the mold seat close to the injection channel, and different spacer modules are combined according to the vacancy of the installation opening to obtain n sets of spacer modules arranged side by side , inserting the assembled spacer module into the vacancy of the installation opening to obtain the first module, the second module and the third module with stable positions.

The beneficial effects of the utility model are as follows: the utility model discloses a general injection mold structure, and the cushion block is modularized to obtain cushion block modules with different thicknesses. By arranging and combining different cushion block modules, it can match the plastic parts Different combinations, so that the plastic parts of different combinations can be stably installed in the mold seat, and different plastic parts can be produced. Several sets of pad modules with different thicknesses can adapt to most plastic parts and install them in the mold seat. Demand, low input cost, and short delivery time.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a schematic diagram of an exploded structure of the utility model.

Reference numerals are: mold core seat 10, installation opening 11, mold core retaining groove 111, injection channel 12, first module 21, splitter groove 211, first partition plate 212, second module 22, molding part 221, second The third module 23, the third partition plate 231, the spacer module 24, the module clamping protrusion 25, the bottom plate 30, the thimble relief groove 31, the first clamping plate 41, the clamping clamping groove 411, the clamping clamping protrusion Block 412.

Detailed ways

In order to further understand the features, technical means, and specific objectives and functions of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Refer to Figures 1 to 2.

The embodiment of the utility model discloses a general injection mold structure, including a mold core seat 10, an installation opening 11 is provided in the mold core seat 10, and an injection channel 12 is provided on one end of the mold core seat 10;

The installation opening 11 is provided with a first module 21, m groups of second modules 22, a third module 23 and n groups of spacer modules 24 in sequence, the first module 21 is located at one end close to the injection channel 12, and the second module 22 is provided with Forming part 221, the structure of forming part 221 of each group of second modules 22 is different, the thickness of each group of spacer modules 24 is all different, the first module 21, the second module 22, the third module 23 and spacer module 24 The sides of the halves have the same shape and size.

Combine different second modules 22 according to requirements to obtain m groups of second modules 22 arranged side by side, and respectively set the first module 21 and the third module 23 before and after the m groups of second modules 22 arranged side by side. After the combination Insert the first module 21, the second module 22 and the third module 23 into the installation opening 11, the first module 21 is close to the inner wall of the mold seat 10 near the injection channel 12, and combine different pads according to the vacancy of the installation opening 11 Block module 24, obtain n groups of spacer modules 24 arranged side by side, insert the combined spacer module 24 into the vacancy of the installation opening 11, and obtain the first module 21, the second module 22 and the third module with stable positions twenty three.

The utility model carries out modular design to the block, and obtains block modules 24 with different thicknesses. By arranging and combining different block modules 24, it can match different combinations of plastic parts, that is, the second module 22, and then make plastic parts of different combinations All can be stably installed in the mold core seat 10 to produce different plastic parts. Several sets of pad modules 24 with different thicknesses can meet the needs of most plastic parts assembled and installed in the mold core seat 10, and the input cost is low. And the delivery time of the product is short.

Based on the above-mentioned embodiment, the bottom of the junction between the mold core seat 10 and the installation opening 11 is provided with a mold core retaining groove 111, and the bottoms of the first module 21, the second module 22, the third module 23 and the spacer module 24 are all provided with modules. The locking projection 25, the bottom of the first module 21, the second module 22, the third module 23 and the pad module 24 are provided with a bottom plate 30, and the first module 21, the second module 22, the third module 23 and the pad After the module 24 is inserted into the installation opening 11, the module locking protrusion 25 is located in the mold core locking groove 111, and then the mold core seat 10 is installed on the bottom plate 30, and the bottom plate 30 cooperates with the mold core locking groove 111 to push the module locking position. The position of the block 25 is fixed, which can effectively stabilize the positions of the first module 21 , the second module 22 , the third module 23 and the spacer module 24 .

Based on the above-mentioned embodiment, the bottom plate 30 is provided with a thimble relief groove 31, which can make way for the thimble, and the thimble can pass through the thimble relief groove 31 to push out the plastic parts formed by injection molding.

Based on the above-mentioned embodiment, the first clamping plate 41 and the second clamping plate 42 are respectively provided on both sides of the first module 21, the second module 22, the third module 23 and the spacer module 24, which can effectively restrict the first module. 21. The positions of the second module 22, the third module 23 and the spacer module 24 before installation simplify the operation of installing the above components into the installation opening 11, and at the same time can improve the stability of the structure of the utility model.

Based on the above embodiment, the first clamping plate 41 is located on the side close to the module locking protrusion 25, and the bottom of the first clamping plate 41 is provided with a clamping locking groove 411 on the side close to the module locking protrusion 25. A clamping plate 41 is provided with a clamping protrusion 412 at the bottom of the side away from the module locking protrusion 25, and the first module 21, the second module 22, the third module 23 and the spacer module arranged in combination 24, press the first clamping plate 41 and the second clamping plate 42 respectively on both sides, and the module locking protrusion 25 is located in the clamping locking groove 411, and the first module 21, the second module 22, The third module 23, the spacer module 24, the first clamping plate 41, and the second clamping plate 42 are inserted into the installation opening 11, and the clamping position protrusion 412 is located in the mold core position slot 111, and then the mold core seat 10 is installed on the base plate 30, and the base plate 30 cooperates with the mold core slot 111 and the clamping slot 411 to stabilize the positions of the clamping tab 412 and the module tab 25, which can further improve the structure of the utility model. stability.

Based on the above-mentioned embodiment, the first module 21 is provided with a distribution channel 211 , which communicates with the injection channel 12 , and molten plastic reaches the distribution channel 211 from the injection channel 12 , and then flows into each module through the distribution channel 211 .

Based on the above-mentioned embodiment, the first partition plate 212 is also fixed on the first module 21, and the third partition plate 231 is fixed on the third module 23. The first partition plate 212 and the third partition plate 231 can block the flow of molten plastic, As an edge to control the shaping of plastic parts.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (8)

1. A general injection mold structure, characterized in that it comprises a mold core seat (10), which is provided with an installation opening (11) in the mold core seat (10), and on one end of the mold core seat (10) An injection channel (12) is provided; A first module (21), m groups of second modules (22), a third module (23) and n groups of spacer modules (24) are sequentially arranged in the installation opening (11), and the first module (21 ) is located near one end of the injection molding channel (12), the second module (22) is provided with a forming part (221), and the structure of the forming part (221) of each group of the second module (22) is different Same, the thicknesses of each group of the spacer modules (24) are different, the first module (21), the second module (22), the third module (23) and the spacer module (24) The shapes and sizes of the lower half sides are the same. 2. A general-purpose injection mold structure according to claim 1, characterized in that, the bottom of the junction between the mold core seat (10) and the installation opening (11) is provided with a mold core retaining groove (111) , the bottoms of the first module (21), the second module (22), the third module (23) and the spacer module (24) are all provided with module locking projections (25). 3. A kind of general injection mold structure according to claim 2, is characterized in that, described first module (21), described second module (22), described third module (23) and described A bottom plate (30) is provided on the bottom of the spacer module (24). 4. A general-purpose injection mold structure according to claim 3, characterized in that, the bottom plate (30) is provided with a thimble relief groove (31). 5. A kind of general injection mold structure according to claim 2 or 3, is characterized in that, described first module (21), described second module (22), described 3rd module (23) and A first clamping plate (41) and a second clamping plate (42) are respectively provided on both sides of the pad module (24). 6. A general injection mold structure according to claim 5, characterized in that, the first clamping plate (41) is located on a side close to the module locking projection (25), and the first A clamping plate (41) is provided with a clamping slot (411) at the bottom of one side close to the module locking protrusion (25), and the first clamping plate (41) is far away from the module locking protrusion. A clamping projection (412) is provided at the bottom of one side of the block (25). 7. A kind of general-purpose injection mold structure according to claim 1, is characterized in that, described first module (21) is provided with diverter groove (211), and described diverter groove (211) and described injection channel (12) CONNECTED. 8. A kind of universal injection mold structure according to claim 1, characterized in that, a first partition plate (212) is also fixed on the first module (21), and a partition plate (212) is fixed on the third module (23). A third partition board (231) is fixed.