Die for products with multiple tubular structures

Abstract

The utility model discloses a mold for products with multiple tubular structures. The mold comprises a base, a lower mold, an upper mold and a plurality of demolding mechanisms, the lower die comprises a lower die base and a lower die core; a plurality of demolding grooves are formed in the top of the lower mold base; movable grooves are formed in the bottoms of the demolding grooves; the lower die core is arranged at the top of the lower die base; the upper mold comprises an upper mold base, an upper mold core and an injection molding opening; the upper die base is arranged on the top of the lower die base. The upper die core is arranged at the bottom of the upper die base and covers the top of the lower die core; the injection port is formed in the top of the upper mold base; the demolding mechanism comprises a movable mold core, a demolding sliding block and an inclined guide rod; the movable mold core is slidably arranged between the lower mold core and the upper mold core, and a mold cavity communicated with the injection molding opening is formed among the movable mold core, the lower mold core and the upper mold core; one end of the demolding sliding block is connected with the movable mold core; an inclined guide hole communicated with the movable groove is formed from the top to the bottom of the demolding slide block; the inclined guide rod is arranged at the bottom of the upper die base; and the inclined guide rod penetrates through the inclined guide hole in a sliding manner and extends into the movable groove.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and in particular relates to a multi-tubular structure product mold. Background Art

[0002] Injection molds are tools for producing plastic products; they are also tools that give plastic products a complete structure and precise dimensions. Injection molds are also a processing method used in mass production of parts, mainly used in the industrial field. The injection mold process is to inject the heated and molten material into the mold cavity under high pressure, and after cooling and solidification, a molded product is obtained.

[0003] Existing injection molded products with multi-tubular structures, such as pipe joints, have a relatively complex structure, so the mold cavity has more enclosing structures, and the demolding process of the core part used to form the tube body is often troublesome. Therefore, it is necessary to improve the demolding method of the multi-tubular structure product mold to make it more convenient. Utility Model Content

[0004] The utility model provides a multi-tubular structure product mold to solve the above technical problems.

[0005] The solution adopted by the utility model to achieve its technical effect is:

[0006] A multi-tubular structure product mold, comprising a base, a lower mold, an upper mold and several groups of demoulding mechanisms; the lower mold comprises a lower mold base and a lower mold core; the top of the lower mold base is provided with several demoulding grooves, and the bottom of the demoulding grooves is provided with movable grooves; the lower mold core is arranged on the top of the lower mold base; the upper mold comprises an upper mold base, an upper mold core and an injection port; the upper mold base is arranged on the top of the lower mold base; the upper mold core is arranged at the bottom of the upper mold base, and the upper mold core cover is arranged on the top of the lower mold core; the injection port is arranged on the top of the upper mold base; the several groups of demoulding mechanisms and the several demoulding mechanisms are connected to the plurality of demoulding mechanisms. The grooves correspond to each other one by one; any one of the demoulding mechanisms includes a movable mold core, a demoulding slider and an inclined guide rod; the movable mold core is slidably arranged between the lower mold core and the upper mold core, and a mold cavity is formed between the lower mold core, the upper mold core and the movable mold core, and the mold cavity is connected with the injection port; the demoulding slider is slidably arranged in the demoulding groove, and one end of the demoulding slider is connected to the movable mold core; an inclined guide hole connected with the movable groove is arranged from the top to the bottom of the demoulding slider; the inclined guide rod is arranged at the bottom of the upper mold base; the inclined guide rod slides through the inclined guide hole and extends into the movable groove.

[0007] Preferably, the lower mold also includes a distribution seat and a distribution pipe; the distribution seat is arranged on the top of the lower mold seat; one end of the distribution pipe is arranged on the distribution seat and connected to the injection port; the other end of the distribution pipe is arranged between the lower mold core and the upper mold core and connected to the mold cavity.

[0008] Preferably, any one of the demoulding mechanisms further comprises a guide rod; the guide rod is arranged on one side of the lower mold core; and the demoulding slider is slidably sleeved on the outer side of the guide rod.

[0009] Preferably, a spring is sleeved on the outer side of the guide rod; the spring is arranged between the lower mold core and the demoulding slider.

[0010] Preferably, a positioning block is provided at the top of the lower mold core; a positioning groove is provided at the bottom of the upper mold core; and the positioning block is slidably inserted in the positioning groove.

[0011] The beneficial effects of the utility model are as follows: the tube cavity part of the tube body is formed by the movable mold core, and when the upper mold and the lower mold are closed, the inclined guide rod pushes the demoulding slider to drive the movable mold core into place, and when demoulding, the inclined guide rod moves upward to push the demoulding slider to drag the movable mold core to separate from the product. Therefore, it is very suitable for demoulding of tubular products and is convenient for demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall schematic diagram of the mold disclosed in the embodiment of the utility model;

[0013] Figure 2 It is a schematic diagram of removing the upper die base of the mold disclosed in the embodiment of the utility model;

[0014] Figure 3 This is a schematic diagram of a demoulding mechanism disclosed in an embodiment of the utility model.

[0015] Label description: 1-base, 2-lower mold base, 3-lower mold core, 4-demolding groove, 5-movable groove, 6-upper mold base, 7-upper mold core, 8-injection port, 9-movable mold core, 10-demolding slider, 11-oblique guide rod, 12-oblique guide hole, 13-distribution seat, 14-distribution pipe, 15-guide rod, 16-spring, 17-positioning block. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. It should be noted that when an element is referred to as "fixed on" or "set on" another element, it can be directly on the other element or there may be a centering element at the same time. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there may be a centering element at the same time. When an element is referred to as being "fixedly connected to" another element, it can be a common fixed connection method such as welding, bolting or gluing.

[0017] Please refer to Figure 1-3 In a preferred embodiment of the utility model, a multi-tubular structure product mold is disclosed, comprising a base 1, a lower mold, an upper mold and several groups of demoulding mechanisms; the lower mold comprises a lower mold base 2 and a lower mold core 3; the top of the lower mold base 2 is provided with several demoulding grooves 4, and the bottom of the demoulding grooves 4 is provided with a movable groove 5; the lower mold core 3 is arranged on the top of the lower mold base 2; the upper mold comprises an upper mold base 6, an upper mold core 7 and an injection port 8; the upper mold base 6 is arranged on the top of the lower mold base 2; the upper mold core 7 is arranged at the bottom of the upper mold base 6, and the upper mold core 7 is covered on the top of the lower mold core 3; the injection port 8 is arranged on the top of the upper mold base 6; the several groups of demoulding mechanisms and the several demoulding mechanisms are connected to the several demoulding mechanisms. The mold grooves 4 correspond to each other one by one; any one of the demolding mechanisms includes a movable mold core 9, a demolding slider 10 and an inclined guide rod 11; the movable mold core 9 is slidably arranged between the lower mold core 3 and the upper mold core 7, and a mold cavity is formed between the lower mold core 3, the upper mold core 7 and the movable mold core 9, and the mold cavity is connected to the injection port 8; the demolding slider 10 is slidably arranged in the demolding groove 4, and one end of the demolding slider 10 is connected to the movable mold core 9; an inclined guide hole 12 connected to the movable groove 5 is arranged from the top to the bottom of the demolding slider 10; the inclined guide rod 11 is arranged at the bottom of the upper mold base 6; the inclined guide rod 11 slides through the inclined guide hole 12 and extends into the movable groove 5.

[0018] Specifically, the lower mold also includes a distribution seat 13 and a distribution pipe 14; the distribution seat 13 is arranged on the top of the lower mold seat 2; one end of the distribution pipe 14 is arranged on the distribution seat 13 and connected to the injection port 8; the other end of the distribution pipe 14 is arranged between the lower mold core 3 and the upper mold core 7 and connected to the mold cavity.

[0019] Specifically, any one of the demoulding mechanisms further includes a guide rod 15 ; the guide rod 15 is disposed on one side of the lower mold core 3 ; and the demoulding slider 10 is slidably sleeved on the outer side of the guide rod 15 .

[0020] Specifically, a spring 16 is sleeved on the outer side of the guide rod 15 ; the spring 16 is arranged between the lower mold core 3 and the demoulding slider 10 .

[0021] Specifically, a positioning block 17 is provided at the top of the lower mold core 3 ; a positioning groove is provided at the bottom of the upper mold core; and the positioning block 17 is slidably inserted in the positioning groove.

[0022] It can be seen from the above description that the utility model is very suitable for demoulding of tubular products and is convenient for demoulding.

[0023] The preferred embodiments of the present invention are described in detail above in conjunction with the drawings in the specification. It should be noted that the protection scope of the present invention includes but is not limited to the above embodiments. The specific structures disclosed in the drawings in the specification are only preferred embodiments of the present invention. Technical personnel in the field can also develop other embodiments on this basis. Any simple deformation or equivalent substitution that does not deviate from the innovative concept of the present invention is covered by the present invention and belongs to the protection scope of the present invention.

Claims

1. A multi-tubular structure product mold, characterized in that: include: Base; The lower mold comprises a lower mold base and a lower mold core; the top of the lower mold base is provided with a plurality of demoulding grooves, and the bottom of the demoulding grooves is provided with a movable groove; the lower mold core is provided at the top of the lower mold base; An upper mold; the upper mold comprises an upper mold base, an upper mold core and an injection port; the upper mold base is arranged on the top of the lower mold base; the upper mold core is arranged on the bottom of the upper mold base, and the upper mold core cover is arranged on the top of the lower mold core; the injection port is arranged on the top of the upper mold base; A plurality of groups of demoulding mechanisms; the plurality of groups of demoulding mechanisms correspond to the plurality of demoulding grooves one by one; any one of the demoulding mechanisms comprises a movable mold core, a demoulding slider and an inclined guide rod; the movable mold core is slidably arranged between the lower mold core and the upper mold core, a mold cavity is formed between the lower mold core, the upper mold core and the movable mold core, and the mold cavity is connected to the injection port; the demoulding slider is slidably arranged in the demoulding groove, and one end of the demoulding slider is connected to the movable mold core; an inclined guide hole connected to the movable groove is arranged from the top to the bottom of the demoulding slider; the inclined guide rod is arranged at the bottom of the upper mold base; the inclined guide rod slides through the inclined guide hole and extends into the movable groove.

2. A multi-tubular structure product mold according to claim 1, characterized in that: The lower mold also includes a distribution seat and a distribution pipe; the distribution seat is arranged on the top of the lower mold seat; one end of the distribution pipe is arranged on the distribution seat and connected to the injection port; the other end of the distribution pipe is arranged between the lower mold core and the upper mold core and connected to the mold cavity.

3. A multi-tubular structure product mold according to claim 1, characterized in that: Any one of the demoulding mechanisms further comprises a guide rod; the guide rod is arranged on one side of the lower mold core; the demoulding slider is slidably sleeved on the outer side of the guide rod.

4. A multi-tubular structure product mold according to claim 3, characterized in that: The outer side of the guide rod is sleeved with a spring; the spring is arranged between the lower mold core and the demoulding slider.

5. The multi-tubular structure product mold according to claim 1, characterized in that: A positioning block is arranged on the top of the lower mold core; a positioning groove is arranged on the bottom of the upper mold core; and the positioning block is slidably inserted in the positioning groove.

Images