Mould for rapid injection molding of annular workpiece

Abstract

The utility model relates to an injection mold, in particular to an annular workpiece quick injection mold which comprises a bottom plate, a lower fixing block and an upper fixing block, a lower mold plate is fixedly mounted in the lower fixing block, a lower mold groove is formed in the surface of the lower mold plate, an upper mold plate is fixedly mounted in the upper fixing block, and an upper mold groove is formed in the surface of the upper mold plate. The upper surface of the lower mold plate is movably attached to the lower surface of the upper mold plate, the upper mold groove and the lower mold groove are attached to form a mold groove, an annular workpiece is manufactured in the mold groove, and the injection molding mechanism comprises an injection molding pipe; the injection mold is provided with the upper mold groove and the lower mold groove which correspond to each other, the mold groove is formed after the upper mold groove and the lower mold groove are attached to each other and used for injection molding of an annular workpiece, the three groups of flow dividing pipes are arranged in the annular direction, and the flow dividing pipes are connected with the interior of the mold groove, so that injection molding liquid can uniformly and quickly flow into the mold groove to complete manufacturing of the annular workpiece; and therefore, the annular workpiece can be more quickly and uniformly injected.

Description

Technical Field

[0001] The utility model relates to an injection mold, in particular to a mold for rapid injection molding of annular workpieces. Background Art

[0002] A mold is various molds and tools used in industrial production to obtain required products by methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, stamping, etc. In short, a mold is a tool for making formed articles. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the outer shape of an article by changing the physical state of the formed material.

[0003] When the existing injection molds are in use, especially for the injection molding of annular workpieces, unevenness may occur locally during the injection molding process, affecting the use. Now, a mold for rapid injection molding of annular workpieces is proposed. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a mold for rapid injection molding of annular workpieces to solve the problem that unevenness may occur locally during the injection molding process of annular workpieces, affecting the use.

[0005] To achieve the above purpose, according to one aspect of the utility model, a mold for rapid injection molding of annular workpieces is provided, including a bottom plate, and further including;

[0006] A lower fixing block, with a lower template fixedly installed inside the lower fixing block, and a lower mold groove is formed on the surface of the lower template;

[0007] An upper fixing block, with an upper template fixedly installed inside the upper fixing block, and an upper mold groove is formed on the surface of the upper template; the upper mold groove and the lower mold groove form a mold cavity after being fitted, and the annular workpiece is formed inside the mold cavity;

[0008] An injection mechanism is fixedly installed inside the lower fixing block and the upper fixing block. The injection mechanism is internally provided with a flow splitting part, and the flow splitting part includes at least three groups of evenly arranged flow splitting pipes. Each flow splitting pipe is communicated with the inside of the mold cavity, and the injection liquid is evenly dispersed and flows into the mold cavity after entering the flow splitting pipes.

[0009] Furthermore, the upper surface of the lower template is movably fitted with the lower surface of the upper template, and the injection mechanism is fixedly connected with the inside of the mold cavity.

[0010] Furthermore, the injection mechanism includes an injection pipe, the end of the injection pipe is fixedly connected with the flow splitting pipe, and the end of the flow splitting pipe is fixedly connected with the inside of the mold cavity.

[0011] Furthermore, a flow splitting pipe groove is formed on the surface of the lower mold groove, and the flow splitting pipe is movably inserted into the flow splitting pipe groove.

[0012] Furthermore, corresponding lower and upper placement grooves are provided inside the lower and upper fixing blocks respectively. The lower template is fixedly installed inside the lower placement groove, and the upper template is fixedly installed inside the upper placement groove.

[0013] Furthermore, a top plate is fixedly installed on the upper surface of the upper fixing block. An injection port is provided on the surface of the top plate, and the inside of the injection port is fixedly connected to the end of the injection mechanism.

[0014] Furthermore, symmetric side plates are fixedly installed on the surface of the bottom plate, and the lower fixing block is fixedly installed on the upper surfaces of the two side plates.

[0015] Furthermore, two symmetric groups of support columns are fixedly installed on the surface of the bottom plate, and the ends of the support columns are fixedly connected to the bottom of the lower fixing block.

[0016] Furthermore, a plurality of first positioning columns are fixedly installed on the surface of the bottom plate, and a plurality of first positioning holes are provided inside the lower template. The first positioning columns are movably inserted into the first positioning holes.

[0017] Furthermore, symmetric second positioning columns are fixedly installed on the surface of the lower fixing block, and symmetric second positioning holes are provided inside the upper fixing block. The second positioning columns are movably inserted into the second positioning holes.

[0018] Compared with the prior art, the present utility model has the following beneficial effects:

[0019] The present utility model is provided with corresponding upper and lower die cavities. After the upper and lower die cavities are fitted together, a die cavity is formed for injection molding of the annular workpiece. The shunt pipes are provided in three groups and arranged in a circular direction. The shunt pipes are connected to the inside of the die cavity, so that the injection liquid can flow evenly and quickly into the die cavity to complete the manufacture of the annular workpiece, making the injection of the annular workpiece faster and more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 2 is a sectional structural schematic diagram of the present utility model;

[0022] Figure 3 is a structural schematic diagram of the upper and lower templates of the present utility model;

[0023] Illustration: 1. Bottom plate; 11. Support column; 12. First positioning column; 2. Side plate; 3. Lower fixing block; 31. Lower template; 32. Lower die slot; 33. Mold slot; 34. Manifold pipe slot; 35. First positioning hole; 36. Lower placement groove; 37. Second positioning column; 4. Upper fixing block; 41. Upper template; 42. Upper die slot; 43. Injection molding mechanism; 44. Injection pipe; 45. Manifold pipe; 46. Upper placement groove; 5. Top plate; 51. Injection port. Detailed implementation mode

[0024] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following combines the accompanying drawings and preferred embodiments to detail the specific implementation mode, structure, features and their effects of the present utility model as follows.

[0025] Please refer to Figures 1 to 3 , a mold for rapid injection molding of an annular workpiece provided by an embodiment of the present utility model, includes a bottom plate 1, and the bottom plate 1 plays a supporting role for the entire device. It also includes;

[0026] A lower fixing block 3, with a lower template 31 fixedly installed inside the lower fixing block 3, and a lower die slot 32 is provided on the surface of the lower template 31;

[0027] An upper fixing block 4, with an upper template 41 fixedly installed inside the upper fixing block 4, and an upper die slot 42 is provided on the surface of the upper template 41;

[0028] The upper surface of the lower template 31 is movably attached to the lower surface of the upper template 41. After the upper die slot 42 and the lower die slot 32 are attached, a mold slot 33 is formed, and the annular workpiece is made inside the mold slot 33.

[0029] Specifically, an injection molding mechanism 43 is fixedly installed inside the lower fixing block 3 and the upper fixing block 4, and the injection molding mechanism 43 is fixedly connected to the inside of the mold slot 33.

[0030] In the embodiment of the present utility model, through the setting of the injection molding mechanism 43, the annular workpiece can be made.

[0031] Specifically, the injection molding mechanism 43 includes an injection pipe 44, and a three-component manifold pipe 45 is fixedly installed at the end of the injection pipe 44. The end of the manifold pipe 45 is fixedly connected to the inside of the mold slot 33.

[0032] In the embodiment of the present utility model, the manifold pipe 45 is provided with three groups and is arranged in an annular direction, so that the annular workpiece can be more quickly and evenly injected during injection molding.

[0033] Specifically, a manifold pipe slot 34 is provided on the surface of the lower die slot 32, and the manifold pipe 45 is movably inserted into the manifold pipe slot 34.

[0034] In the embodiment of the present utility model, the shunt pipe groove 34 fixes the position of the shunt pipe 45, so that the injection molding liquid can accurately flow into the mold groove 33.

[0035] Specifically, corresponding lower placement grooves 36 and upper placement grooves 46 are respectively formed inside the lower fixing block 3 and the upper fixing block 4. The lower template 31 is fixedly installed inside the lower placement groove 36, and the upper template 41 is fixedly installed inside the upper placement groove 46.

[0036] In the embodiment of the present utility model, the upper placement groove 46 fixes the position of the upper template 41, and the lower placement groove 36 fixes the position of the lower template 31.

[0037] Specifically, a top plate 5 is fixedly installed on the upper surface of the upper fixing block 4. An injection port 51 is formed on the surface of the top plate 5, and the inside of the injection port 51 is fixedly connected to the end of the injection mechanism 43.

[0038] In the embodiment of the present utility model, through the arrangement of the injection port 51, the injection molding liquid can flow into the mold groove 33.

[0039] Specifically, symmetric side plates 2 are fixedly installed on the surface of the bottom plate 1, and the lower fixing block 3 is fixedly installed on the upper surfaces of the two side plates 2.

[0040] In the embodiment of the present utility model, the side plates 2 and the bottom plate 1 support the lower fixing block 3 and the upper fixing block 4.

[0041] Specifically, two sets of symmetric support columns 11 are fixedly installed on the surface of the bottom plate 1, and the ends of the support columns 11 are fixedly connected to the bottom of the lower fixing block 3.

[0042] In the embodiment of the present utility model, the support columns 11 support the lower fixing block 3.

[0043] Specifically, a plurality of first positioning columns 12 are fixedly installed on the surface of the bottom plate 1, and a plurality of first positioning holes 35 are formed inside the lower template 31. The first positioning columns 12 are movably inserted into the first positioning holes 35.

[0044] In the embodiment of the present utility model, through the cooperative arrangement of the first positioning columns 12 and the first positioning holes 35, the position of the lower template 31 inside the lower placement groove 36 is fixed, and it will not shift during injection molding.

[0045] Specifically, symmetric second positioning columns 37 are fixedly installed on the surface of the lower fixing block 3, and symmetric second positioning holes are formed inside the upper fixing block 4. The second positioning columns 37 are movably inserted into the second positioning holes.

[0046] In the embodiment of the present utility model, through the cooperation of the second positioning columns 37 and the second positioning holes, the lower fixing block 3 and the upper fixing block 4 can maintain the same vertical plane when they are attached.

[0047] During use, injection liquid is injected into the injection port 51. The injection liquid flows through the injection pipe 44 inside the injection mechanism 43 and reaches the three-component flow pipe 45. The flow pipe 45 is internally connected to the mold cavity 33, so that the injection liquid can flow into the mold cavity 33 to complete the manufacture of the annular workpiece.

[0048] The above are only the preferred embodiments of the present invention, and do not impose any formal restrictions on the present invention. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A mold for rapid injection molding of an annular workpiece, comprising a base plate (1), characterized in that: Also includes; A lower fixed block (3), wherein a lower mold plate (31) is fixedly mounted inside the lower fixed block (3), and a lower mold groove (32) is formed on the surface of the lower mold plate (31); An upper fixed block (4), wherein an upper mold plate (41) is fixedly mounted inside the upper fixed block (4), and an upper mold groove (42) is formed on the surface of the upper mold groove (41); the upper mold groove (42) and the lower mold groove (32) are fitted together to form a mold groove (33), and the annular workpiece is manufactured inside the mold groove (33); An injection molding mechanism (43) is fixedly installed inside the lower fixed block (3) and the upper fixed block (4). A flow diversion portion is provided inside the injection molding mechanism (43). The flow diversion portion comprises at least three groups of evenly arranged flow diversion pipes (45). Each flow diversion pipe (45) is connected to the inside of the mold groove (33). After the injection molding liquid enters the flow diversion pipe (45), it is evenly dispersed and flows into the mold groove (33).

2. A mold for rapid injection molding of an annular workpiece according to claim 1, characterized in that: The upper surface of the lower mold plate (31) is movably fitted with the lower surface of the upper mold plate (41), and the injection molding mechanism (43) is fixedly connected to the inside of the mold groove (33).

3. A mold for rapid injection molding of an annular workpiece according to claim 2, characterized in that: The injection molding mechanism (43) comprises an injection molding tube (44), the end of the injection molding tube (44) is fixedly connected to a shunt tube (45), and the end of the shunt tube (45) is fixedly connected to the inside of the mold groove (33).

4. A mold for rapid injection molding of an annular workpiece according to claim 3, characterized in that: A diverter pipe groove (34) is provided on the surface of the lower die groove (32), and the diverter pipe (45) is movably inserted inside the diverter pipe groove (34).

5. The mold for rapid injection molding of an annular workpiece according to claim 1, characterized in that: The lower fixing block (3) and the upper fixing block (4) are both provided with corresponding lower placement grooves (36) and upper placement grooves (46); the lower template (31) is fixedly installed inside the lower placement groove (36); and the upper template (41) is fixedly installed inside the upper placement groove (46).

6. A mold for rapid injection molding of an annular workpiece according to claim 2, characterized in that: A top plate (5) is fixedly mounted on the upper surface of the upper fixed block (4), an injection port (51) is provided on the surface of the top plate (5), and the interior of the injection port (51) is fixedly connected to the end of the injection mechanism (43).

7. A mold for rapid injection molding of an annular workpiece according to claim 1, characterized in that: Symmetrical side panels (2) are fixedly mounted on the surface of the bottom plate (1), and the lower fixing block (3) is fixedly mounted on the upper surfaces of the two side panels (2).

8. The mold for rapid injection molding of an annular workpiece according to claim 1, characterized in that: Two groups of symmetrical support columns (11) are fixedly mounted on the surface of the bottom plate (1), and the ends of the support columns (11) are fixedly connected to the bottom of the lower fixing block (3).

9. A mold for rapid injection molding of an annular workpiece according to claim 1, characterized in that: A plurality of first positioning columns (12) are fixedly mounted on the surface of the bottom plate (1), a plurality of first positioning holes (35) are opened inside the lower template (31), and the first positioning columns (12) are movably inserted inside the first positioning holes (35).

10. The mold for rapid injection molding of an annular workpiece according to claim 1, characterized in that: A symmetrical second positioning column (37) is fixedly mounted on the surface of the lower fixing block (3), and a symmetrical second positioning hole is opened inside the upper fixing block (4), and the second positioning column (37) is movably inserted inside the second positioning hole.

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