CN216182411U - Injection mold of tap inner body - Google Patents

Abstract

The utility model relates to an injection mold of a faucet inner body, which comprises an upper module, a lower module and a mold core, wherein a molding mold cavity is arranged in the mold core, and the mold core comprises a front mold core, a rear mold core and a core pulling piece; the top end of the core pulling piece is fixed in the upper module, and the tail end of the core pulling piece extends into the forming cavity to form a core pulling forming mechanism; and a core-pulling insert is inserted between the core-pulling piece and the side wall of the molding die cavity. According to the utility model, the core pulling piece is additionally arranged in the upper module, the core pulling piece is inserted into the forming cavity of the mold core and is matched with the core pulling insert to realize one-step processing and forming of the hollow structure with the side wall opening of the faucet inner body, and one set of injection mold is used for replacing two or even more original processing tools, so that the processing cost is reduced, the processing efficiency is improved, the processing error is reduced, and the technical problems in the prior art are solved.

Description

Injection mold of tap inner body

Technical Field

The utility model relates to the field of injection molds, in particular to an injection mold of a faucet inner body capable of being formed and processed in one step.

Background

As shown in FIG. 1, the main body A of the faucet is a tubular body, and the side wall of the main body A is an open side wall to fit other parts in the faucet. The main part adopts injection mold and supplementary spot facing work equipment machine-shaping in proper order in current blank, and obtains the finished product, promptly: after the injection-molded inner body finished product needs to be subjected to hole machining, a finished product of the inner body of the faucet is obtained, one-step machining forming cannot be realized, and the machining cost is high, and the accuracy required by the product cannot be guaranteed.

Therefore, how to improve the existing faucet inner body injection mold to realize one-step processing molding is one of the technical problems to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold of a faucet inner body capable of being formed and processed at one time, and solves the technical problem that two processes are required and two sets of tools are matched for processing in the prior art

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an injection mold of body in tap, its includes module, lower module and mould benevolence, wherein:

the die core is internally provided with a molding die cavity, and the die core comprises a front die core, a rear die core and a core drawing piece;

the top end of the core pulling piece is fixed in the upper module, and the tail end of the core pulling piece extends into the forming cavity to form a core pulling forming mechanism;

and a core-pulling insert is inserted between the core-pulling piece and the side wall of the molding die cavity.

Further preferred is: go up the module including panel, cope match-plate pattern and injecting glue mouth, wherein:

the panel is overlapped on the upper template, and the front mold core is embedded in the upper template;

the upper template is provided with abdicating holes;

the glue injection nozzle sequentially penetrates through the panel and the upper template and is communicated with the molding die cavity.

Further preferred is: the loose core piece includes slide rail piece and takes out the pole, wherein:

the sliding rail block is fixed at the bottom of the panel;

the drawing rod is arranged in the abdicating hole, the top end of the drawing rod is connected with the sliding rail block in a sliding mode, and the tail end of the drawing rod extends into the forming die cavity.

Further preferred is: one side of the sliding rail block facing the lower module is provided with a sliding groove.

Further preferred is: the drawing rod is an inclined rod body; the tail end of the drawing rod is abutted against the bottom of the molding die cavity;

and a wedge inserting groove is formed between the drawing rod and the inner wall of the molding die cavity.

Further preferred is: the core-pulling insert is a conical body, and the tip end of the core-pulling insert is inserted into the wedge-inserting groove.

Further preferred is: still include a slider ejection mechanism, this slider ejection mechanism includes driving piece, linkage block and slider, wherein:

the top end of the driving piece is arranged in the upper module;

a linkage hole is formed in the linkage block, and the tail end of the driving piece is inserted into the linkage hole;

the sliding block is arranged on the linkage block and is close to the molding die cavity.

Further preferred is: the slider is cylindric block, its quantity with shaping die cavity looks adaptation.

Further preferred is: the lower module includes lower bolster, thimble board and bottom plate, wherein:

the lower template is embedded with the rear mold core;

the ejector pin plate is stacked on the bottom plate, and is provided with a vertical ejector pin which is arranged corresponding to the molding die cavity;

the bottom plate is connected with the lower template through a supporting side plate.

Further preferred is: the number of the supporting side plates is two, and the supporting side plates are symmetrically distributed.

After adopting the technical scheme, compared with the background technology, the utility model has the following advantages:

according to the utility model, the core pulling piece is additionally arranged in the upper module, the core pulling piece is inserted into the forming cavity of the mold core and is matched with the core pulling insert to realize one-step processing and forming of the hollow structure with the side wall opening of the faucet inner body, and one set of injection mold is used for replacing two or even more original processing tools, so that the processing cost is reduced, the processing efficiency is improved, the processing error is reduced, and the technical problems in the prior art are solved.

Drawings

FIG. 1 is a schematic view of the structure of the body in the faucet;

FIG. 2 is a first schematic structural view of an injection mold of the faucet inner body according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram II of an injection mold of the faucet inner body according to an embodiment of the utility model;

FIG. 4 is a schematic diagram of the slide rail block according to the embodiment of the present invention;

FIG. 5 is a schematic view of the pull rod of the embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a slider according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the apparatus or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.

Examples

As shown in fig. 1, the utility model discloses an injection mold for a faucet inner body a, wherein a core pulling piece 330 is additionally arranged in the mold core 300, and the core pulling piece 330 realizes core pulling molding processing of a product inner cavity, so that one-time molding of product processing is realized, product production efficiency is improved, and product quality is ensured.

As shown in fig. 1 to 3, the injection mold for the inner body of the faucet includes an upper mold 100, a lower mold 200 and a mold 300, wherein the mold 300 includes a front mold 310 and a rear mold 320 which are vertically distributed, the front mold 320 and the rear mold 320 are both provided with molding grooves, the two molding grooves are mutually fastened to form a molding mold cavity 500, and the molding mold cavity 500 is adapted to the inner body a of the faucet.

As shown in fig. 2 and 3, the upper module 100 includes a panel 110, an upper mold plate 120 and a glue injection nozzle; the panel 110 is stacked on the upper mold plate 120, and the front mold core 310 is embedded in the upper mold plate 120; the glue injection nozzles sequentially penetrate through the panel 110 and the upper template 120 and are communicated with the molding die cavity 500; the lower die set 200 comprises a lower die plate 210, an ejector plate 220 and a bottom plate 230, wherein the lower die plate 210 is embedded with the rear die core 320; the ejector plate 220 is stacked on the bottom plate 230, and a vertical ejector pin is arranged on the ejector plate 220; the bottom plate 230 and the lower template 210 are connected through two supporting side plates 240, the number of the supporting side plates 240 is two, the supporting side plates are symmetrically distributed, and the ejector plate 220 is arranged between the two supporting side plates 240; the ejector plate 220 is provided with vertical ejector pins, the vertical ejector pins are driven by the ejector plate 220 to vertically eject, and the vertical ejector pins are arranged corresponding to the molding die cavity 500.

In this embodiment, the number of the molding cavities 500 is four, and four molding cavities 500 are linearly and alternately distributed.

As shown in fig. 2, 4 and 5, the mold insert 300 further includes core pieces 330, the number of the core pieces 330 is adapted to the number of the molding cavities 500, and in this embodiment, the number of the core pieces 330 is four. The top end of the core pulling element 330 is fixed on the upper die set 100, and the tail end of the core pulling element extends into the molding die cavity 500 to form a core pulling molding mechanism;

specifically, the method comprises the following steps: as shown in fig. 2, 4 and 5, the core component 330 includes a sliding rail block 331 and a pulling rod 332; the sliding rail block 331 is fixed on the panel 110; the top end of the drawing rod 332 is slidably connected with the slide rail block 331, and the bottom end of the drawing rod 332 extends into the molding die cavity 500 at the corresponding position; the slide rail block 331 has a slide groove on one side facing the lower module 200; the drawing rod 332 is an inclined rod body; the end of the pulling rod 332 abuts against the bottom of the molding cavity 500; wedge grooves are formed between the inclined side walls of the draw rod 332 and the molding cavity 500.

More specifically: as shown in fig. 2, 4 and 5, the pulling member is a straight rod inclined away from the molding cavity 500, and is cut off along the radial direction of the core pulling member 330, the cross section of the core pulling member 330 is rectangular, and the end of the core pulling member 330 is disposed in the molding cavity 500.

As shown in fig. 2, 4 and 5, a core-pulling insert 333 is inserted between the pulling rod 332 and the sidewall of the molding cavity 500; specifically, the method comprises the following steps: because a wedge slot is formed between the core rod 330 and the inner wall of the molding cavity 500, the core pulling insert 333 is a cone, and the tip end thereof is inserted into the wedge slot, thereby realizing a stable connection and linkage mechanism between the core rod 332 and the molding cavity 500.

As shown in fig. 2, 4 and 5, the device further includes a slider ejecting mechanism 400, which includes a driving member 410, a linkage block 420 and a slider 430; the top end of the driving piece 410 is arranged in the upper module 100; a linkage hole is formed in the linkage block 420, and the tail end of the driving piece 410 is inserted into the linkage hole; the slide block 430 is mounted to the linkage block 420 and is positioned adjacent to the molding cavity 500.

Specifically, the method comprises the following steps: as shown in fig. 2, 4, 5 and 6, the linkage block 420 is a rectangular body and is disposed in the abdicating hole of the upper template 120, and the linkage block 420 is provided with two linkage holes, and the two linkage holes are distributed at intervals; the number of the driving pieces 410 is matched with the number of the linkage holes, the top ends of the driving pieces 410 are clamped in the caulking grooves formed in the upper template 120, and the tail ends of the driving pieces 410 extend into the linkage holes at the corresponding positions so as to drive the linkage blocks 420 to slide and displace along the transverse direction; the number of the sliding blocks 430 is adapted to the number of the molding cavities 500, and in this embodiment, the number of the sliding blocks 430 is four and the sliding blocks are arranged at intervals.

As shown in fig. 2, 4 and 5, the sliding block 430 is a cylindrical block, one end of the sliding block, which is far away from the linkage block 420, is an ejection end, the ejection section is provided with a forming recess, and the forming recess is an annular inner recess and is communicated with the forming mold cavity 500 to form a structure for forming and ejecting a product.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The injection mold of body in tap, its characterized in that: it includes module, lower module and mould benevolence, wherein:

the die core is internally provided with a molding die cavity, and the die core comprises a front die core, a rear die core and a core drawing piece;

the top end of the core pulling piece is fixed in the upper module, and the tail end of the core pulling piece extends into the forming cavity to form a core pulling forming mechanism;

and a core-pulling insert is inserted between the core-pulling piece and the side wall of the molding die cavity.

2. The faucet inner body injection mold of claim 1, wherein: go up the module including panel, cope match-plate pattern and injecting glue mouth, wherein:

the panel is overlapped on the upper template, and the front mold core is embedded in the upper template;

the upper template is provided with abdicating holes;

the glue injection nozzle sequentially penetrates through the panel and the upper template and is communicated with the molding die cavity.

3. The faucet inner body injection mold of claim 2, wherein: the loose core piece includes slide rail piece and takes out the pole, wherein:

the sliding rail block is fixed at the bottom of the panel;

the drawing rod is arranged in the abdicating hole, the top end of the drawing rod is connected with the sliding rail block in a sliding mode, and the tail end of the drawing rod extends into the forming die cavity.

4. The faucet inner body injection mold of claim 3, wherein: one side of the sliding rail block facing the lower module is provided with a sliding groove.

5. The faucet inner body injection mold of claim 3, wherein: the drawing rod is an inclined rod body; the tail end of the drawing rod is abutted against the bottom of the molding die cavity;

and a wedge inserting groove is formed between the drawing rod and the inner wall of the molding die cavity.

6. The faucet inner body injection mold of claim 5, wherein: the core-pulling insert is a conical body, and the tip end of the core-pulling insert is inserted into the wedge-inserting groove.

7. The faucet inner body injection mold of claim 1, wherein: still include a slider ejection mechanism, this slider ejection mechanism includes driving piece, linkage block and slider, wherein:

the top end of the driving piece is arranged in the upper module;

a linkage hole is formed in the linkage block, and the tail end of the driving piece is inserted into the linkage hole;

the sliding block is arranged on the linkage block and is close to the molding die cavity.

8. The faucet inner body injection mold of claim 7, wherein: the slider is cylindric block, its quantity with shaping die cavity looks adaptation.

9. The faucet inner body injection mold of claim 1, wherein: the lower module includes lower bolster, thimble board and bottom plate, wherein:

the lower template is embedded with the rear mold core;

the ejector pin plate is stacked on the bottom plate, and is provided with a vertical ejector pin which is arranged corresponding to the molding die cavity;

the bottom plate is connected with the lower template through a supporting side plate.

10. The faucet inner body injection mold of claim 9, wherein: the number of the supporting side plates is two, and the supporting side plates are symmetrically distributed.

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