CN222987471U - A non-contact electric test pencil shell injection mold - Google Patents
A non-contact electric test pencil shell injection mold Download PDFInfo
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- CN222987471U CN222987471U CN202422215294.1U CN202422215294U CN222987471U CN 222987471 U CN222987471 U CN 222987471U CN 202422215294 U CN202422215294 U CN 202422215294U CN 222987471 U CN222987471 U CN 222987471U
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Abstract
本实用新型公开了一种非接触式测电笔外壳注塑模具，包括上模、下模、抽芯单元和滑动单元，上模底部安装有上模仁，上模仁设有上模槽，下模顶部安装有下模仁，下模仁设有下模槽，且上模槽与下模槽相对，并形成注塑模腔，下模槽两侧分别设有印制模块，并在印制模块表面设有印制图案，抽芯单元设置在下模的一侧，其模芯端可插入至注塑模腔内，滑动单元设置在下模的另一侧，并与抽芯单元的模芯端对接。本实用新型通过上模槽、下模槽、抽芯单元和滑动单元形成对外壳注塑的模腔，使注塑模具的结构设计合理，同时通过印制模块上的印制图案使外壳在注塑成型时，其表面直接印制出对应的型号或规格，以此实现对外壳注塑与印制一体成型，提高生产效率。
The utility model discloses a non-contact electric test pen shell injection mold, including an upper mold, a lower mold, a core pulling unit and a sliding unit. An upper mold core is installed at the bottom of the upper mold, and the upper mold core is provided with an upper mold groove. A lower mold core is installed at the top of the lower mold, and the lower mold core is provided with a lower mold groove. The upper mold groove is opposite to the lower mold groove, and an injection mold cavity is formed. Printing modules are respectively provided on both sides of the lower mold groove, and a printed pattern is provided on the surface of the printing module. The core pulling unit is arranged on one side of the lower mold, and its core end can be inserted into the injection mold cavity. The sliding unit is arranged on the other side of the lower mold and docked with the core end of the core pulling unit. The utility model forms a mold cavity for injection molding of the shell through the upper mold groove, the lower mold groove, the core pulling unit and the sliding unit, so that the structural design of the injection mold is reasonable. At the same time, the printed pattern on the printing module allows the shell to be directly printed with the corresponding model or specification on its surface during injection molding, thereby realizing the integrated molding of injection molding and printing of the shell, thereby improving production efficiency.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a non-contact test pencil shell injection mold.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a processing method used in mass production of parts with complex shapes, and specifically refers to injection molding of heated and melted plastic into a mold cavity by an injection molding machine under high pressure, and cooling and solidification are carried out to obtain a molded product.
When the non-contact test pencil is produced, the shell and the pencil hanger of the non-contact test pencil are required to be injection molded by adopting an injection mold, and after the shell is injection molded, information such as specification or model is required to be printed on the surface of the shell, however, in the prior art, after the shell is injection molded by adopting the injection mold, the surface of the shell is printed or carved by adopting a printer or a laser machine, so that the production efficiency of the non-contact test pencil is poor, and the printer or the laser machine is required to be purchased additionally, thereby increasing the enterprise cost.
Disclosure of utility model
The utility model aims to provide a non-contact test pencil shell injection mold which is reasonable in structural design and integrated with injection molding and printing.
In order to solve the technical problems, the utility model can be realized by adopting the following technical scheme:
The utility model provides a non-contact test pencil shell injection mold, including last mould, the lower mould, loose core unit and sliding element, go up the bottom of mould and install the mould benevolence, go up the mould benevolence and be equipped with the mould groove, the lower mould benevolence is installed at the top of lower mould, the lower mould benevolence is equipped with the lower mould groove, and go up mould groove and lower mould groove relative setting, and form the die cavity of moulding plastics, the both sides of lower mould groove are equipped with the printing module respectively, and be equipped with the printing pattern with lower mould groove complex on the surface of printing module, loose core unit sets up in one side of lower mould, its mold core end can insert in the die cavity of moulding plastics, sliding element sets up the opposite side at the lower mould, and dock with the mold core end of loose core unit.
In one embodiment, the inner walls of the upper and/or lower cavities are provided with printed projections.
In one embodiment, the core pulling unit comprises a fixing seat, a driving piece, a moving block and a mandrel, wherein the fixing seat is arranged on the side part of the lower die, the driving piece is arranged on the fixing seat, the moving block is connected with the conveying end of the driving piece, the mandrel is arranged in the injection molding cavity and is connected with the moving block, and the driving piece drives the moving block to move, so that the mandrel is driven to move in the injection molding cavity.
In one embodiment, the end of the mandrel is provided with a locating boss.
In one embodiment, the sliding unit comprises a core-pulling sliding block and an inclined guide rod, the core-pulling sliding block is movably arranged on the lower die and is provided with an inclined guide hole, an elastic piece is arranged between the core-pulling sliding block and the lower die core, the inclined guide rod is arranged in the inclined guide hole and is connected with the upper die, and when the upper die and the lower die are opened/closed, the inclined guide rod is driven to move in the inclined guide hole by the upper die, so that the core-pulling sliding block is driven to slide.
In one embodiment, the core pulling slide block is provided with a positioning groove corresponding to the positioning convex column.
In one embodiment, an upper mold plate is mounted on top of the upper mold, and the upper mold plate is provided with a gate in communication with the injection mold cavity.
In one embodiment, the injection mold cavity includes a first mold cavity and a second mold cavity, and the printing module is located in the first mold cavity.
In one embodiment, the bottom of the lower die is provided with an ejection unit, the ejection unit comprises die legs connected to two sides of the bottom of the lower die and a top plate positioned between the two die legs, and ejector pins matched with the first molding cavity and the second molding cavity are respectively arranged on the top plate.
In one embodiment, bottom plates are arranged at the bottoms of the mold legs at two sides.
Advantageous effects
The utility model relates to a non-contact type test pencil shell injection mold, wherein core pulling units and sliding units are respectively arranged on two sides of a lower mold, and an injection molding cavity for injection molding of a cylindrical shell is formed through the matching of an upper mold cavity, a lower mold cavity, the core pulling units and the sliding units, so that the structural design of the injection mold is reasonable, printing modules are respectively arranged on two sides of the lower mold cavity, the surfaces of the printing modules are provided with printing patterns, and the surfaces of the shells can be directly printed with corresponding models or specifications through the printing patterns on the printing modules when the shells are injection molded, thereby realizing the injection molding and printing integrated molding of the shells of the non-contact type test pencil, improving the production efficiency, enabling enterprises not to purchase printers or lasers, and reducing the production cost of the enterprises.
Drawings
FIG. 1 is a schematic diagram of a non-contact test pencil housing injection mold;
FIG. 2 is a schematic diagram of an upper mold of an injection mold for a non-contact test pencil housing of the present utility model;
FIG. 3 is a schematic diagram of the lower mold of the injection mold of the shell of the noncontact test pencil of the present utility model;
FIG. 4 is a schematic diagram showing the butt joint of a core pulling unit and a sliding unit of an injection mold of a shell of a noncontact test pencil;
FIG. 5 is a schematic diagram of a core pulling unit of an injection mold for a shell of a noncontact test pencil according to the present utility model;
FIG. 6 is a schematic diagram of a sliding unit of an injection mold for a non-contact test pencil housing of the present utility model;
Fig. 7 is a schematic diagram of an ejection unit of an injection mold for a shell of a noncontact test pencil according to the present utility model.
100. An upper die; 110, an upper die core, 111, an upper die groove, 112, a printing bulge, 120, an upper die plate, 121 and a gate;
200. The device comprises a lower die, a lower die core, a lower die groove, a printing module and a lower die cavity, wherein the lower die is 210;
300. The device comprises a core pulling unit, 310, a fixing seat, 320, a driving piece, 330, a moving block, 340, a mandrel, 341 and a positioning convex column;
400. The device comprises a sliding unit, 410, a core pulling sliding block, 411, an inclined guide hole, 412, a positioning groove, 420, an inclined guide rod, 430 and an elastic piece;
500. the device comprises an ejection unit, 510, a die foot, 520, a top plate, 530 and a thimble;
600. A bottom plate.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 6, an injection mold for a shell of a non-contact test pencil includes an upper mold 100, a lower mold 200, a core pulling unit 300 and a sliding unit 400, wherein the bottom of the upper mold 100 is provided with an upper mold core 110, the upper mold core 110 is provided with an upper mold cavity 111, the top of the lower mold 200 is provided with a lower mold core 210, the lower mold core 210 is provided with a lower mold cavity 211, the upper mold cavity 111 is opposite to the lower mold cavity 211 and forms an injection mold cavity, both sides of the lower mold cavity 211 are respectively provided with a printing module 220, a printing pattern matched with the lower mold cavity 211 is arranged on the surface of the printing module 220, the core pulling unit 300 is arranged on one side of the lower mold 200, a mold core end of the core pulling unit 300 can be inserted into the injection mold cavity, and the sliding unit 400 is arranged on the other side of the lower mold 200 and is in butt joint with the mold core end of the core pulling unit 300.
Specifically, in this embodiment, the upper cavity 111 is disposed on the upper cavity 110, the lower cavity 211 is disposed on the lower cavity 210, and the core pulling unit 300 and the sliding unit 400 are disposed on two sides of the lower mold 200 respectively, so as to form an injection molding cavity through the cooperation among the upper cavity 111, the lower cavity 211, the core pulling unit 300 and the sliding unit 400, and the injection molding cavity includes a first molding cavity and a second molding cavity, where the first molding cavity is used for injection molding the shell of the non-contact test pencil and cooperates with the core pulling unit 300 and the sliding unit 400, and the second molding cavity is used for injection molding the pen hanger of the non-contact test pencil, so that the injection molding mold can simultaneously perform injection molding on the shell and the pen hanger, thereby improving the production efficiency of the non-contact test pencil, and making the overall structure of the injection molding mold simple and reasonable in design.
In addition, two sets of printing modules 220 are arranged on the lower mold core 210, the two sets of printing modules 220 are respectively positioned on two sides of the lower mold cavity 211, and printing patterns are arranged on the surfaces of the two sets of printing modules 220 or one set of printing modules, wherein the printing patterns are arranged according to actual needs, when the first molding cavity of the injection molding mold cavity is subjected to injection molding, the patterns such as the required model or specification can be printed when the shell of the non-contact test pencil is subjected to injection molding in the first molding cavity due to the printing patterns on the printing modules 220, so that the injection molding and the printing integrated molding of the shell of the non-contact test pencil are realized, the production efficiency is improved, enterprises do not need to purchase printers or lasers, and the production cost of the enterprises is reduced.
Since in the present embodiment, only the pattern is printed on the shell of the noncontact test pencil, the printing modules 220 are disposed on both sides of the lower cavity 211 of the first molding cavity.
Of course, in order to print patterns on multiple places of the shell of the non-contact test pencil, printing protrusions 112 may be further disposed on the inner wall of the upper mold cavity 111 and/or the lower mold cavity 211 of the first molding cavity, and the set patterns may be printed by the printing protrusions 112 during injection molding of the shell, so as to meet the injection molding requirement of the shell of the non-contact test pencil.
Referring to fig. 3 to 6, in order to implement injection molding of a cylindrical housing, the core-pulling unit 300 in this embodiment includes a fixed base 310, a driving member 320, a moving block 330 and a mandrel 340, the fixed base 310 is disposed at a side portion of the lower mold 200, the driving member 320 is mounted on the fixed base 310, the moving block 330 is connected with a conveying end of the driving member 320, the mandrel 340 is disposed in an injection molding cavity and is connected with the moving block 330, the driving member 320 drives the moving block 330 to move, thereby driving the mandrel 340 to move in the injection molding cavity, meanwhile, the sliding unit 400 includes a core-pulling slider 410 and a diagonal guide rod 420, the core-pulling slider 410 is movably mounted in the lower mold 200 and is provided with a diagonal guide hole 411, and an elastic member 430 is disposed between the core-pulling slider 410 and the lower mold core 210, the diagonal guide rod 420 is disposed in the diagonal guide hole 411 and is connected with the upper mold 100, and when the upper mold 100 and the lower mold 200 are opened/closed, the diagonal guide rod 420 is driven to move in the diagonal guide hole 411, thereby driving the core-pulling slider 410 to slide.
When injection molding is performed, the driving piece 320 drives the moving piece 330 to move, the moving piece 330 drives the mandrel 340 to move along the first molding cavity when moving, meanwhile, the upper die 100 drives the upper die core 110 to move, the upper die 100 drives the inclined guide rod 420 to be inserted into the inclined guide hole 411 of the core-pulling slide block 410 when moving, and the inclined guide rod 420 and the inclined guide hole 411 are combined because the inclined guide rod 420 and the inclined guide hole 411 are obliquely arranged, the core-pulling slide block 410 is driven to move, so that the core-pulling slide block 410 is abutted with the mandrel 340, and then the upper die cavity 111 and the lower die cavity 211 are matched to form an injection molding cavity, raw materials are injected into the injection molding cavity, so that injection molding of a shell can be realized, after the shell is molded, the driving piece 320 drives the moving piece 330 to reversely move and reset, so that the mandrel 340 is pulled out from the first molding cavity, meanwhile, the upper die 100 and the lower die 200 are opened, and the upper die 100 moves with the inclined guide rod 420 combined with the elastic piece 430 to reset the core-pulling slide block 410, so that the shell can be driven to move, and finally, the whole injection molding structure of the non-contact test pen shell is simple is realized.
In order to ensure the fit between the core-pulling unit 300 and the sliding unit 400, in this embodiment, a positioning protrusion 341 is disposed at an end of the core-pulling slider 410, and a positioning groove 412 corresponding to the positioning protrusion 341 is disposed at the core-pulling slider 410, when the core-pulling slider 410 is docked with the core-pulling slider 300, the positioning protrusion 341 of the core-pulling slider 340 is inserted into the positioning groove 412 of the core-pulling slider 410, so as to ensure the docking between the core-pulling unit 300 and the sliding unit 400, and facilitate injection molding of the housing.
Finally, in order to realize injection molding of the shell and the pen hanger of the noncontact test pencil, in this embodiment, an upper mold plate 120 is mounted on top of an upper mold 100, a gate 121 communicated with an injection molding cavity is formed on the upper mold plate 120, raw materials can be injected into the injection molding cavity through the gate 121, so as to realize injection molding of the shell and the pen hanger, in addition, an ejection unit 500 is arranged at the bottom of a lower mold 200, the ejection unit 500 comprises mold legs 510 connected to two sides of the bottom of the lower mold 200, a top plate 520 positioned between the two mold legs 510, ejector pins 530 matched with the first molding cavity and the second molding cavity are respectively arranged on the top plate 520, a bottom plate 600 is arranged at the bottoms of the mold legs 510 at two sides, and demolding of the shell in the first molding cavity and the pen hanger in the second molding cavity can be realized through the top plate 520 and the ejector pins 530.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. The present utility model can be smoothly implemented by those skilled in the art according to the description and the drawings, but the equivalent changes of the modification, the variation and the evolution of the utility model can be made by those skilled in the art by utilizing the technical content disclosed in the above description without departing from the technical scope of the utility model, and meanwhile, the modification, the evolution and the like of any equivalent change made by the embodiment according to the essential technology of the utility model still belong to the technical scope of the utility model.
Claims (10)
1. The non-contact test pencil shell injection mold is characterized by comprising an upper mold, a lower mold, a core pulling unit and a sliding unit, wherein an upper mold core is arranged at the bottom of the upper mold, an upper mold cavity is arranged on the upper mold core, a lower mold core is arranged at the top of the lower mold, a lower mold cavity is arranged on the lower mold core, and the upper mold cavity and the lower mold cavity are arranged oppositely to form an injection molding mold cavity;
The two sides of the lower die cavity are respectively provided with a printing module, the surface of the printing module is provided with a printing pattern matched with the lower die cavity, the core pulling unit is arranged on one side of the lower die, the die core end of the core pulling unit can be inserted into the injection molding die cavity, and the sliding unit is arranged on the other side of the lower die and is in butt joint with the die core end of the core pulling unit.
2. The injection mold for the shell of the non-contact test pencil according to claim 1, wherein the inner wall of the upper mold cavity and/or the lower mold cavity is provided with printing bulges.
3. The injection mold of the shell of the noncontact test pencil according to claim 1, wherein the core pulling unit comprises a fixed seat, a driving piece, a moving block and a mandrel, the fixed seat is arranged on the side part of the lower mold, the driving piece is arranged on the fixed seat, the moving block is connected with the conveying end of the driving piece, the mandrel is arranged in the injection mold cavity and connected with the moving block, and the driving piece drives the moving block to move, so that the mandrel is driven to move in the injection mold cavity.
4. The injection mold of the shell of the noncontact test pencil according to claim 3, wherein a positioning convex column is arranged at the end part of the mandrel.
5. The injection mold of claim 4, wherein the slide unit comprises a core-pulling slide block and an inclined guide rod, the core-pulling slide block is movably arranged on the lower mold and is provided with an inclined guide hole, an elastic piece is arranged between the core-pulling slide block and the lower mold core, the inclined guide rod is arranged in the inclined guide hole and is connected with the upper mold, and when the upper mold and the lower mold are opened/closed, the inclined guide rod is driven by the upper mold to move in the inclined guide hole, thereby driving the core-pulling slide block to slide.
6. The injection mold of the shell of the noncontact test pencil of claim 5, wherein the core pulling slide block is provided with a positioning groove corresponding to the positioning convex column.
7. The injection mold of the shell of the noncontact test pencil according to claim 1, wherein an upper mold plate is installed at the top of the upper mold, and is provided with a gate communicated with the injection mold cavity.
8. The injection mold of a contactless test pencil housing of claim 1, wherein the injection mold cavity comprises a first mold cavity and a second mold cavity, and the printing module is located in the first mold cavity.
9. The injection mold of claim 8, wherein the bottom of the lower mold is provided with an ejection unit, the ejection unit comprises mold legs connected to two sides of the bottom of the lower mold, a top plate positioned between the two mold legs, and ejector pins matched with the first molding cavity and the second molding cavity are respectively arranged on the top plate.
10. The injection mold for the shell of the noncontact test pencil according to claim 9, wherein a bottom plate is arranged at the bottoms of the mold legs at two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422215294.1U CN222987471U (en) | 2024-09-10 | 2024-09-10 | A non-contact electric test pencil shell injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422215294.1U CN222987471U (en) | 2024-09-10 | 2024-09-10 | A non-contact electric test pencil shell injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222987471U true CN222987471U (en) | 2025-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422215294.1U Active CN222987471U (en) | 2024-09-10 | 2024-09-10 | A non-contact electric test pencil shell injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222987471U (en) |
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2024
- 2024-09-10 CN CN202422215294.1U patent/CN222987471U/en active Active
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