CN214056262U

CN214056262U - Motorcycle stay wire sheath injection mold

Info

Publication number: CN214056262U
Application number: CN202022983372.4U
Authority: CN
Inventors: 刘春通
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-27
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a motorcycle stay wire sheath injection mold, belonging to the technical field of injection molds, comprising a male mold, a female mold and an insert, wherein the male mold is provided with a first runner for connecting with an injection molding machine; the female die is provided with a forming hole, the side part of the female die is provided with an inserting groove, the side part of the inserting groove is partially overlapped and communicated with the side part of the forming hole, the female die is provided with a second pouring gate, the second pouring gate is communicated with the forming hole through a pouring hole arranged in the female die, and the second pouring gate is also communicated with the first pouring gate; the insert is provided with an insert block, the insert block is in inserted connection and matching with the slot to be matched with the forming hole to form a die cavity, and the die cavity is matched with the male die to form a forming cavity for preparing a workpiece. The utility model provides a motorcycle sheath injection mold that acts as go-between has solved among the prior art work piece and has watered the waste material and need artifical separation after the drawing of patterns, the problem of inefficiency.

Description

Motorcycle stay wire sheath injection mold

Technical Field

The utility model belongs to the technical field of injection mold, more specifically say, relate to a motorcycle sheath injection mold that acts as go-between.

Background

The injection molding is a process of injecting a hot-melt plastic material into a mold at a high speed, and obtaining a molded workpiece after the plastic material is cooled and solidified. A multi-cavity structure is usually adopted in the motorcycle stay wire sheath injection mold, namely a plurality of molding cavities are arranged in a group of molds, the molding cavities are connected through a runner, and hot-melt plastic materials flow into the molding cavities in sequence through the runner, so that a plurality of workpieces can be obtained by one-time injection molding. After the injection molding is completed, the workpiece and the pouring gate waste are connected together, and the workpiece and the pouring gate waste need to be separated one by one through manpower, so that the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motorcycle is acted as go-between sheath injection mold aims at solving among the prior art work piece and waters the waste material and need artifical separation, the problem of inefficiency after needing the drawing of patterns.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a motorcycle is drawn line sheath injection mold, includes:

the male die is provided with a first pouring channel for connecting with an injection molding machine;

the die is provided with a forming hole, the side part of the die is provided with an inserting groove, the side part of the inserting groove is partially overlapped and communicated with the side part of the forming hole, the die is provided with a second pouring gate, the second pouring gate is communicated with the forming hole through a pouring hole arranged in the die, and the second pouring gate is also communicated with the first pouring gate; and

the insert is provided with an insert block, the insert block is in inserted fit with the slot to be matched with the forming hole to form a cavity, and the cavity is matched with the male die to form a forming cavity for preparing a workpiece;

when unloading, the workpiece in the forming cavity and the waste material in the pouring hole are separated by shearing force.

As another embodiment of the present application, the gate hole is a tapered hole inclined downward, and a diameter of a communication end of the gate hole and the forming hole is smaller than a diameter of a communication end of the gate hole and the second runner.

As another embodiment of the present application, the male mold comprises:

a template; and

and the core is connected with the bottom of the template and is used for being plugged with the cavity to form the molding cavity.

As another embodiment of this application, be equipped with the constant head tank on the inserted block, the constant head tank with the core laminating to form the through-hole of work piece lateral wall.

As another embodiment of the present application, the core is a columnar member, and the core is provided with a protrusion along an axial direction, and the protrusion is attached to the cavity and used for forming an opening portion of the workpiece.

As another embodiment of the present application, the second runner includes a main runner and a plurality of branch runners communicated with the main runner, the main runner is communicated with the first runner, the branch runners are communicated with the gate, and the material flows into the cavity in sequence along the first runner, the main runner, the branch runners and the gate.

As another embodiment of the application, the tail end of the branch pouring channel is provided with two branches, and each branch is communicated with two adjacent forming holes through different pouring holes respectively.

As another embodiment of the present application, the first runner communicates with an intermediate portion of the main runner.

As another embodiment of the application, the motorcycle stay wire sheath injection mold further comprises a sliding block, the sliding block is connected with the bottom of the template, and the sliding block is used for extruding the insert in the mold closing process, so that the female mold is attached to the insert.

As another embodiment of the application, a first guide surface is arranged on the outer side of the insert, the first guide surface is an inclined surface, the top of the first guide surface is inclined inwards, a second guide surface and an extrusion surface are arranged on the slide block, the second guide surface slides along the first guide surface and extrudes the first guide surface in the die assembly process, so that the insert moves towards the female die, and the extrusion surface is attached to the top surface of the insert after the die assembly is completed.

The utility model provides a motorcycle sheath injection mold that acts as go-between's beneficial effect lies in: compared with the prior art, the utility model discloses motorcycle is acted as go-between sheath injection mold and will be watered the hole and bury underground on the die, and when the work piece drawing of patterns, the ejecting work piece that the stripper rod makes progress, and the work piece is cut off the separation by the die with the waste material in watering the hole, makes the work piece and waters waste material autosegregation, has avoided needing the manual separation work piece and watering the waste material after droing the work piece with watering the waste material among the prior art, causes the problem that work efficiency is low.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a motorcycle stay wire sheath injection mold provided by an embodiment of the present invention;

FIG. 2 is a schematic structural view of an insert, a cavity die and a core used in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a slide block, an insert block and a concave die adopted in the embodiment of the present invention;

fig. 4 is a dynamic schematic diagram of a slide block and an insert adopted in the embodiment of the present invention;

FIG. 5 is a schematic view of a core used in an embodiment of the present invention;

fig. 6 is a schematic structural view of a female die adopted in the embodiment of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a side view of FIG. 6;

fig. 9 is a schematic structural diagram of an insert employed in an embodiment of the present invention;

fig. 10 is a schematic structural view of a workpiece according to the present invention.

In the figure: 1. a male die; 101. a template; 102. a core; 1021. a bump; 103. a first runner junction; 2. a slider; 201. extruding surface; 202. a second guide surface; 3. an insert; 301. a first guide surface; 302. inserting a block; 3021. positioning a groove; 4. positioning blocks; 5. a female die; 501. a slot; 502. forming holes; 6. a second runner; 601. a main runner; 602. dividing a pouring channel; 6021. branching; 7. a guide post; 8. pouring holes; 9. a workpiece; 901. and a through hole.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3 and fig. 6 to 7 together, the motorcycle stay wire sheath injection mold provided by the present invention will now be described. The motorcycle stay wire sheath injection mold comprises a male mold 1, a female mold 5 and an insert 3, wherein a first pouring channel for connecting with an injection molding machine is arranged on the male mold 1; a forming hole 502 is formed in the female die 5, a slot 501 is formed in the side portion of the female die 5, the side portion of the slot 501 is partially overlapped and communicated with the side portion of the forming hole 502, a second pouring gate 6 is formed in the female die 5, the second pouring gate 6 is communicated with the forming hole 502 through a pouring hole 8 formed in the female die 5, and the second pouring gate 6 is further communicated with the first pouring gate; the insert 3 is provided with an insert block 302, the insert block 302 is in inserted fit with the slot 501 to be matched with the forming hole 502 to form a die cavity, and the die cavity is matched with the male die 1 to form a forming cavity for preparing the workpiece 9;

when discharging, the work 9 in the molding cavity and the scrap in the sprue 8 are separated by shear force.

The utility model provides a motorcycle is acted as go-between sheath injection mold, compared with the prior art, the utility model discloses motorcycle is acted as go-between sheath injection mold will pour hole 8 and bury underground in die 5, when the drawing of patterns of work piece 9, the discharge arm upwards ejecting work piece 9, work piece 9 and the waste material of pouring in hole 8 are cut off by die 5 and are separated, make work piece 9 and water waste material autosegregation, need artifical separation work piece 9 and water the waste material after having avoided taking off work piece 9 and water the waste material among the prior art, cause the problem that work efficiency is low.

Preferably, the male die 1 is further connected with a guide post 7, the insert 3 is provided with a guide hole, and the guide post 7 is in insertion fit with the guide hole to guide the die assembly of the male die 1 and the female die 5.

Preferably, the two ends of the insert 3 and the die 5 are respectively provided with a positioning block 4 for positioning the insert 3 and the die 5.

As a specific implementation manner of the motorcycle stay wire sheath injection mold, please refer to fig. 8, the pouring hole 8 is a tapered hole of downward inclination, and the diameter of the pouring hole 8 and the communicating end of the forming hole 502 is smaller than the diameter of the pouring hole 8 and the communicating end of the second runner 6.

In this embodiment, the pouring hole 8 is inclined downwards, so that the material flows into the forming hole 502 quickly under the action of gravity, and the diameter of one end of the pouring hole 8 communicated with the forming hole 502 is smaller, thereby facilitating the cutting and separation of the workpiece 9 and the waste material in the pouring hole 8. The diameter of the end, connected with the second pouring gate 6, of the pouring hole 8 is large, so that materials in the second pouring gate 6 can conveniently flow into the pouring hole 8, and the flowing speed of the materials is improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the male mold 1 includes a mold plate 101 and a core 102, the core 102 is connected to the bottom of the mold plate 101, and the core 102 is used for being inserted into the mold cavity to form a molding cavity.

When the die is closed, the die plate 101 and the core 102 are pressed downwards, the lower surface of the die plate 101 is attached to the upper surface of the female die 5, the core 102 is inserted into the cavity, and a forming cavity for accommodating materials to flow is formed between the core 102 and the cavity, so that the workpiece 9 is prepared.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 3 to 4 and fig. 9, the positioning groove 3021 is disposed on the insert block 302, and the positioning groove 3021 is attached to the core 102 to form the through hole 901 on the sidewall of the workpiece 9.

The insert 302 is inserted into the insert slot 501 such that the locating groove 3021 abuts the outer surface of the core 102, i.e. the cavity is blocked there. After flowing into the forming hole 502, the material bypasses the joint of the positioning groove 3021 and the core 102, so that the formed workpiece 9 has a through hole 901 at the joint.

As an embodiment of the present invention, referring to fig. 5 and 10, the core 102 is a cylindrical member, the core 102 is provided with a protrusion 1021 along the axial direction, and the protrusion 1021 is attached to the cavity to form an opening of the workpiece 9.

The core 102 is inserted into the cavity along the axial direction, a molding cavity for preparing the workpiece 9 is formed between the core 102 and the cavity, the outer surface of the core 102 is provided with a convex block 1021, the convex block 1021 is attached to the molding hole 502, so that the material cannot flow through the convex block 1021, and the molded workpiece 9 is provided with an opening along the axial direction.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, the second runner 6 includes a main runner 601 and a plurality of branch runners 602 communicated with the main runner 601, the main runner 601 is communicated with the first runner, the branch runners 602 are communicated with the gate 8, and the material flows to the cavity along the first runner, the main runner 601, the branch runners 602 and the gate 8 in sequence.

After the injection molding machine injects the material into the first pouring channel, the material flows into the cavity along the main pouring channel 601, the branch pouring channel 602 and the pouring hole 8 in sequence, so as to complete the injection molding of the workpiece 9.

Preferably, the first runner is provided in an intermediate portion of the die 5 and aligned with the axial direction of the die 5.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, the end of the branch runner 602 has two branches 6021, and each branch 6021 is respectively communicated with two adjacent forming holes 502 through two different pouring holes 8.

The branch runner 602 forms two branches 6021 along the tail end of the material flowing direction, and the two branches 6021 are respectively communicated with the two adjacent molding holes 502, so that the material flows into the branch runner 602 and then flows into the two adjacent molding holes 502 through the two pouring holes 8, the number of the branch runners 602 arranged on the female die 5 is reduced, the processing cost is saved, and the produced runner waste is reduced.

As a specific embodiment of the present invention, please refer to fig. 6, the first runner is connected to the middle portion of the main runner 601.

The material flows to both sides respectively after flowing into main runner 601 along first runner, makes the material can be even along main runner 601 flow to can reach the both ends of main runner 601 simultaneously, avoid delaying to reach and cause work piece 9 cooling time inconsistent, make partial work piece 9 not cool off the shaping completely when parting.

Specifically, a first runner junction 103 is shown in FIG. 6.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3 to 4, the motorcycle wire-drawing sheath injection mold further includes a slider 2, the slider 2 is connected with the bottom of the mold plate 101, and the slider 2 is used for extruding the insert 3 in the mold closing process, so as to make the female mold 5 and the insert 3 fit together.

In the die closing process, the slide block 2 and the template 101 are synchronously pressed down, the insert 3 is moved towards the female die 5 by the slide block 2 until the insert 3 is tightly attached to the female die 5, so that the formed workpiece 9 is provided with a through hole 901 at the attachment position of the insert 3 and the female die 5, and the defect of the formed workpiece 9 caused by a gap between the insert 3 and the female die 5 is avoided.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4, the outer side of the insert 3 is provided with a first guiding surface 301, the first guiding surface 301 is an inclined surface and the top is inclined inward, the slider 2 is provided with a second guiding surface 202 and an extruding surface 201, the second guiding surface 202 slides along the first guiding surface 301 and extrudes the first guiding surface 301 in the mold closing process, so that the insert 3 moves toward the die 5, and the extruding surface 201 is attached to the top surface of the insert 3 after the mold closing is completed.

The second guide surface 202 is pressed downwards, the insert 3 which is not completely contacted moves towards the concave die 5, so that the insert 3 is tightly attached to the concave die 5, and the first guide surface 301 adopts an inclined surface, so that the abrasion to the second guide surface 202 and the first guide surface 301 in the extrusion process is reduced. After the die assembly is completed, the extrusion surface 201 is attached to the top of the insert 3, and the second guide surface 202 is attached to the first guide surface 301, so that the insert 3 is extruded and fixed by the slide block 2, and the offset is avoided in the forming process.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4, the plurality of forming holes 502 are divided into two groups, and the two groups of forming holes 502 are symmetrically disposed on the female die 5 along the main runner 601.

Two sets of forming holes 502 are symmetrically arranged along the main pouring gate, the number of the forming holes 502 arranged on the female die 5 is increased, a plurality of workpieces 9 can be obtained through one-time injection molding, and the two sets of forming holes 502 symmetrically arranged can be communicated with the side wall of the female die 5 so as to enable the formed workpieces 9 to have a through hole 901 structure through abutting cooperation with the insert 3.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Motorcycle is acted as go-between sheath injection mold, its characterized in that includes:

2. A motorcycle wire-drawing sheath injection mold according to claim 1, wherein the sprue hole is a downwardly inclined tapered hole, and a diameter of a communicating end of the sprue hole with the molding hole is smaller than a diameter of a communicating end of the sprue hole with the second runner.

3. A motorcycle wire-pulling sheath injection mold as set forth in claim 1, wherein the male mold comprises:

a template; and

4. A motorcycle stay wire sheath injection mold as claimed in claim 3, wherein the insert block is provided with a positioning groove, and the positioning groove is attached to the core to form a through hole in the sidewall of the workpiece.

5. A motorcycle stay wire sheath injection mold as claimed in claim 3, wherein the core is a columnar member, and the core is provided with a projection in the axial direction, the projection being attached to the cavity for forming an opening of a workpiece.

6. A motorcycle wire-drawing sheath injection mold according to claim 1, wherein the second runner includes a main runner and a plurality of branch runners communicating with the main runner, the main runner communicates with the first runner, the branch runners communicate with the gate, and the material flows into the cavity in sequence along the first runner, the main runner, the branch runners and the gate.

7. A motorcycle stay wire sheath injection mold as claimed in claim 6, wherein the branch gate has two branches at the end, and each branch is communicated with two adjacent forming holes through different pouring holes respectively.

8. The motorcycle puller wire sheath injection mold of claim 6, wherein the first runner is in communication with an intermediate portion of the main runner.

9. The motorcycle wire-drawing sheath injection mold of claim 3, further comprising a slide block, wherein the slide block is connected with the bottom of the template, and the slide block is used for extruding the insert in a mold closing process so as to enable the female mold to be attached to the insert.

10. A motorcycle wire-pulling sheath injection mold as claimed in claim 9, wherein the insert is provided at an outer side thereof with a first guide surface, the first guide surface is an inclined surface and a top portion thereof is inclined inward, the slider is provided with a second guide surface and a pressing surface, the second guide surface slides along the first guide surface and presses the first guide surface during mold closing to move the insert toward the die, and the pressing surface is brought into contact with a top surface of the insert after mold closing is completed.