CN218857518U

CN218857518U - Hexagonal wrench mold

Info

Publication number: CN218857518U
Application number: CN202223222511.7U
Authority: CN
Inventors: 陈鸿彬; 林淮; 李春伟; 朱驰民; 杨成平
Original assignee: Zhuhai Lezheng Technology Co ltd
Current assignee: Zhuhai Lezheng Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-14
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to the technical field of mold, specifically a hexagonal spanner mould, including forming die and positioning die, forming die includes from the top down last bedplate, cope match-plate pattern, lower bolster, push rod fixed plate, ejector plate and the bottom plate that sets gradually. The forming die further comprises: a guiding system, a forming system and a positioning system. The utility model discloses a set up two sets of moulds, use positioning die to produce the setting element of hexagonal spanner earlier, in the workman inserts the setting element with the spanner head that corresponds, then will insert the setting element of spanner head and put into forming die, the last screens that is provided with four spanner heads of forming die for the location of setting element in forming die. Through being provided with the setting element, the setting element is fixed a position four wrench heads, can reach accurate effect to wrench head location through the position of simple location setting element in forming die after the location is accomplished, carries out injection moulding again, can obtain the hexagonal wrench mould that production efficiency is stable.

Description

Hexagonal wrench mold

Technical Field

The utility model relates to the technical field of mold, specifically a hexagonal spanner mould.

Background

The allen wrench is also called an allen wrench. The L-shaped inner hexagonal wrench is the most common type, and in addition, the cross-shaped hexagonal wrench is also arranged, usually four common sizes are placed in one wrench, and the L-shaped inner hexagonal wrench can be seen in a plurality of hardware stores, so that the wrench can basically meet daily requirements. Many brands now have such wrenches.

The cross hexagonal spanner is divided into two parts of four spanner heads and spanner health, wherein, the spanner head adopts alloy structure steel or high-quality carbon steel usually, spanner health part adopts the working of plastics, after the shaping of spanner head, when the preparation spanner health, put into the corresponding position of the die cavity of mould earlier with a spanner head, adopt the mode preparation spanner health of moulding plastics again, the spanner head position of the hexagonal spanner of such preparation is inaccurate, the skew appears from top to bottom easily, the spanner head exposes too much or too little, spanner head angle situation unequal, the urgent need for now can pinpoint the spanner head, produce the hexagonal spanner mould that stability is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hexagonal wrench mould is at least in order to solve one of the problem that proposes among the above-mentioned background art.

The technical scheme of the utility model is that:

the utility model provides a hexagonal spanner mould, includes forming die and positioning die, forming die includes:

the device comprises an upper seat plate, an upper template, a lower template, a push rod fixing plate, a push-out plate and a bottom plate which are sequentially arranged from top to bottom, wherein cushion blocks are vertically arranged on two sides of the push rod fixing plate and two sides of the push-out plate, the cushion blocks are positioned between the lower template and the bottom plate, a pouring gate is arranged in the center of the upper seat plate, a pouring channel is arranged at the connection part of the pouring gate, and the pouring channel sequentially penetrates through the upper seat plate and the upper template;

the guide system comprises a first guide pillar, the first guide pillar vertically penetrates through the upper base plate, the upper template, the lower template and the cushion block, and a guide sleeve is sleeved on the first guide pillar; the second guide pillar vertically penetrates through the push rod fixing plate and the lower template;

the forming system comprises a first upper die core and a first lower die core, the first upper die core is embedded into the upper template, the first lower die core is embedded into the lower template, an upper cross groove is formed in the upper die core, a lower cross groove is formed in the lower die core, and a cross cavity is formed between the upper cross groove and the lower cross groove; the pouring channel penetrates through the upper die core and is communicated with the cross-shaped cavity;

the positioning system comprises an upper positioning assembly fixed on a first upper die core and a lower positioning assembly fixed on a first lower die core, the upper positioning assembly and the lower positioning assembly are arranged oppositely, the upper positioning assembly comprises an upper positioning block, the lower positioning assembly comprises a lower positioning block, and a positioning cavity is formed between the upper positioning block and the lower positioning block; the cross section of the positioning cavity is hexagonal, the number of the positioning cavities is four, the four positioning cavities are respectively arranged at four corners of the cross-shaped cavity, the positioning cavity is communicated with the cross-shaped cavity, a stop block is arranged on one side, away from the cross-shaped cavity, of the positioning cavity, positioning pieces are placed in the positioning cavity and the cross-shaped cavity, a plurality of push rods are vertically arranged on the push rod fixing plate, and the push rods penetrate through the first lower die core and are in contact with the cross-shaped cavity.

Furthermore, the forming die further comprises a cooling system, wherein the cooling system comprises a first cooling channel and a second cooling channel, the first cooling channel is arranged in the first upper die core, and the second cooling channel is arranged in the first lower die core.

Furthermore, first cooling way is including the first inlet channel, first connecting channel, the first way of turning back, second connecting channel and the first water outlet channel that connect gradually, first inlet channel and first water outlet channel set up in the cope match-plate pattern, the first way of turning back sets up in first upper die benevolence, first connecting channel and second connecting channel all pass cope match-plate pattern and first upper die benevolence.

Furthermore, the second cooling channel comprises a second water inlet channel, a third connecting channel, a second turning channel, a fourth connecting channel and a second water outlet channel which are sequentially connected, the second water inlet channel and the second water outlet channel are arranged in the lower template, the second turning channel is arranged in the first lower die core, and the third connecting channel and the fourth connecting channel both penetrate through the lower template and the first lower die core.

Further, there are two cross cavities and two positioning assemblies.

Further, a spring is arranged on the second guide post.

Furthermore, a plurality of support columns are vertically arranged between the lower template and the bottom plate, and the support columns penetrate through the push rod fixing plate and the push-out plate.

Further, the sprue outer sleeve is provided with a sprue sleeve.

Further, the molding system for positioning the mold includes: the mould benevolence and second lower mould benevolence on the second, form the location die cavity between the benevolence of the second last mould benevolence and the second lower mould benevolence, the location die cavity is the cross, be provided with the terrace die on the last mould benevolence, be provided with lower terrace die on the lower mould benevolence, go up the terrace die and be rectangular board with lower terrace die, it is in to go up the terrace die setting the four corners of location die cavity, lower terrace die also sets up the four corners of location die cavity.

Further, the setting element is the cross, the setting element includes the locating lever, the locating lever has four, the locating lever sets up respectively in the setting element four corners, the locating lever is cylindric, be provided with the blind hole in the locating lever, the blind hole cross-section is the hexagon, the locating lever outer periphery is provided with the rectangle fretwork, be provided with four rectangle fretworks on the locating lever, rectangle fretwork interval sets up, and wherein two rectangle fretworks set up the disc on the locating lever, and two other rectangle fretworks set up the disc under the locating lever.

The utility model discloses an improve and provide a hexagonal spanner mould here, compare with prior art, have one of following improvement and advantage at least:

the utility model discloses a set up two sets of moulds, use positioning die to produce the setting element of hexagonal spanner earlier, in the workman inserts the setting element with the spanner head that corresponds, the shape that holds the spanner head on the setting element is fixed, just suits with the afterbody of spanner head, and the spanner head inserts the degree of depth and the angle fixed of setting element, and the difficult slope that produces can remove. Then the positioning piece inserted with the wrench head is placed into a forming die, and the forming die is provided with four wrench head clamping positions for positioning the positioning piece in the forming die.

Through being provided with the setting element, the setting element is fixed a position four wrench heads, can reach accurate effect to wrench head location through the position of simple location setting element in forming die after the location is accomplished, carries out injection moulding again, can obtain the hexagonal wrench mould that production efficiency is stable.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic structural view of the forming mold of the present invention;

FIG. 2 is a schematic structural view of the lower mold core of the forming mold of the present invention;

fig. 3 is a schematic view of a part of the structure of the forming die of the present invention;

fig. 4 is a schematic view of a part of the structure of the positioning mold of the present invention;

fig. 5 is a schematic structural diagram of the positioning member of the present invention.

Description of reference numerals:

1. an upper seat plate; 2. mounting a template; 3. a lower template; 4. a push rod fixing plate; 5. pushing out the plate; 6. a base plate; 7. cushion blocks; 8. a positioning member; 11. a gate; 12. a first guide post; 41. a second guide post; 31. a first lower mold core; 311. a lower positioning assembly; 312. a stopper; 212. a first cooling channel; 213. a second cooling channel; 111. a sprue bush; 91. an upper male die; 92. a lower male die; 81. and (5) positioning the rod.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.

The utility model discloses an improve and provide a hexagonal wrench mould here, the technical scheme of the utility model is:

the hot melt injection mold comprises an upper seat plate 1, an upper mold plate 2, a lower mold plate 3, a push rod fixing plate 4, a push plate 5 and a bottom plate 6 which are sequentially arranged from top to bottom, wherein cushion blocks 7 are vertically arranged on two sides of the push rod fixing plate 4 and two sides of the push plate 5, the cushion blocks 7 are positioned between the lower mold plate 3 and the bottom plate 6, a pouring gate 11 is arranged in the center of the upper seat plate 1, a pouring channel is arranged at the connection part of the pouring gate 11, the pouring channel sequentially penetrates through the upper seat plate 1 and the upper mold plate 2, and the pouring gate 11 and the pouring channel are used for injecting hot melt materials;

the guide system comprises a first guide pillar 12, the first guide pillar 12 vertically penetrates through the upper base plate 1, the upper template 2, the lower template 3 and the cushion block 7, a guide sleeve is sleeved on the first guide pillar 12, and the first guide pillar 12 is used for guiding when the mold is opened and closed; the second guide pillar 41 vertically penetrates through the push rod fixing plate 4 and the lower die plate 3, and the second guide pillar 41 is used for guiding when the molded hexagonal wrench is ejected;

the forming system comprises a first upper die core and a first lower die core 31, the first upper die core is embedded into the upper template 2, the first lower die core 31 is embedded into the lower template 3, an upper cross-shaped groove is formed in the upper die core, a lower cross-shaped groove is formed in the lower die core, and a cross-shaped cavity is formed between the upper cross-shaped groove and the lower cross-shaped groove; the pouring gate penetrates through the upper die core to be communicated with the cross-shaped cavity, the injection molding machine is inserted into the pouring gate 11 during injection molding, and after the hot-melt material is injected from the pouring gate 11, the hot-melt material flows into the cavity through the pouring gate 11 to perform injection molding of the hexagonal wrench;

the positioning system comprises an upper positioning component fixed on the first upper die core and a lower positioning component 311 fixed on the first lower die core 31, the upper positioning component and the lower positioning component 311 are arranged oppositely, the upper positioning component comprises an upper positioning block, the lower positioning component 311 comprises a lower positioning block, and a positioning cavity is formed between the upper positioning block and the lower positioning block; the cross section of the positioning cavity is hexagonal, the four positioning cavities are respectively arranged at four corners of the cross-shaped cavity, the positioning cavity is used for clamping a positioning piece 8 inserted into the wrench head, the positioning cavity is communicated with the cross-shaped cavity and is the same as the cross-shaped cavity, the wrench body is fixed with the wrench head when injection molding is carried out, the hot-melt material flows into the cross-shaped cavity and then contacts with the wrench head in the positioning cavity when injection molding is carried out, a hexagonal wrench is formed after cooling, a stop block 312 is arranged on one side, far away from the cross-shaped cavity, of the positioning cavity and is used for further positioning the positioning piece 8 inserted into the wrench head, the positioning piece 8 is placed in the positioning cavity and the cross-shaped cavity, a plurality of push rods are vertically arranged on the push rod fixing plate 4, the push rods penetrate through the first lower die core 31 and contact with the cross-shaped cavity, and are used for ejecting the cooled hexagonal wrench.

The forming mold further comprises a cooling system, the cooling system comprises a first cooling channel 212 and a second cooling channel 213, and the first cooling channel 212 is arranged in the first upper mold core.

First cooling channel 212 is including the first inlet channel, first connection way, the first way of turning back, second connection way and the first water outlet channel that connect gradually, first inlet channel and first water outlet channel set up in cope match-plate pattern 2, the first way of turning back sets up in first upper die benevolence, first connection way and second connection way all pass cope match-plate pattern 2 and first upper die benevolence.

The second cooling channel 213 includes the second intake channel, the third connecting channel, the second that connect gradually turns back way, fourth connecting channel and second water outlet channel, the second intake channel and the second water outlet channel set up in lower bolster 3, the second turns back the way and sets up in first lower mould benevolence 31, the third connecting channel and the fourth connecting channel all pass lower bolster 3 and first lower mould benevolence 31, the second cooling channel 213 sets up in first lower mould benevolence 31, first cooling channel 212 and second cooling channel 213 are used for accelerating the shaping of hexagonal spanner.

Furthermore, the number of the cross-shaped cavities is two, the number of the positioning assemblies is two, and the production efficiency can be improved by arranging the two cross-shaped cavities.

Further, a spring is arranged on the second guide post 41, and the spring is used for resetting the ejection plate 5 after ejecting the hexagonal wrench.

Furthermore, a plurality of support columns are vertically arranged between the lower template 3 and the bottom plate 6, penetrate through the push rod fixing plate 4 and the push-out plate 5, and are provided with support columns to prevent the lower template 3 from deforming due to too high temperature of hot-melt materials.

Furthermore, a sprue bush 111 is sleeved outside the sprue 11 and used for positioning the injection molding machine during injection molding.

Further, the molding system for positioning the mold includes: the mould benevolence under the second goes up mould benevolence and the second, form the location die cavity between the second time benevolence on the second, the location die cavity is the cross, it is provided with terrace die 91 on the mould benevolence to go up, be provided with lower terrace die 92 on the lower mould benevolence, it is rectangular shaped plate to go up terrace die 91 and lower terrace die 92, it sets up to go up terrace die 91 the four corners of location die cavity, lower terrace die 92 also sets up the four corners of location die cavity is provided with upper and lower terrace die 92 for 8 shaping back four corners of setting element have rectangle fretwork, and after 8 inserts the spanner heads of setting element, when putting into injection moulding in the forming die again, the material of hot melt flows in the rectangle fretwork, makes 8 and hot melt material's of setting element be connected inseparabler, is difficult for separately.

Further, setting element 8 is the cross, setting element 8 includes locating lever 81, locating lever 81 has four, locating lever 81 sets up respectively in 8 four corners of setting element, locating lever 81 is cylindricly, be provided with the blind hole in the locating lever 81, the blind hole cross-section is the hexagon, the locating lever 81 outer periphery is provided with the rectangle fretwork, be provided with four rectangle fretworks on the locating lever 81, rectangle fretwork interval sets up, and wherein two rectangle fretworks set up the disc on locating lever 81, and two other rectangle fretworks set up the disc under locating lever 81, are provided with the rectangle fretwork, and when putting into forming die with setting element 8, the material of hot melt flows into the rectangle fretwork in for setting element 8 is inseparabler with being connected of hot melt material, and the hexagonal spanner after the shaping is more firm, is difficult for the condition that setting element 8 and new material separate to appear.

In this embodiment, at first use positioning die with setting element 8 injection moulding, then take out setting element 8, pack into the blind hole of setting element 81 in the setting element 8 with the spanner head after taking out, after the installation, put into the location chamber among the forming die with setting element 8, use forming die preparation hexagonal spanner.

Claims

1. The utility model provides a hexagonal spanner mould which characterized in that, includes forming die and positioning die, forming die includes:

the device comprises an upper base plate (1), an upper die plate (2), a lower die plate (3), a push rod fixing plate (4), a push-out plate (5) and a bottom plate (6), wherein the upper base plate (1), the upper die plate (2), the lower die plate (3), the push rod fixing plate (4), the push-out plate (5) and the bottom plate (6) are sequentially arranged from top to bottom, cushion blocks (7) are vertically arranged on two sides of the push rod fixing plate (4) and the push-out plate (5), the cushion blocks (7) are located between the lower die plate (3) and the bottom plate (6), a pouring gate (11) is arranged in the center of the upper base plate (1), a pouring gate is arranged at the joint of the pouring gate (11), and the pouring gate sequentially penetrates through the upper base plate (1) and the upper die plate (2);

the guide system comprises a first guide post (12), the first guide post (12) vertically penetrates through the upper base plate (1), the upper template (2), the lower template (3) and the cushion block (7), and a guide sleeve is sleeved on the first guide post (12); the second guide post (41), the second guide post (41) vertically passes through the push rod fixing plate (4) and the lower template (3);

the forming system comprises a first upper mold core and a first lower mold core (31), the first upper mold core is embedded into the upper template (2), the first lower mold core (31) is embedded into the lower template (3), an upper cross groove is formed in the upper mold core, a lower cross groove is formed in the lower mold core, and a cross cavity is formed between the upper cross groove and the lower cross groove; the pouring channel penetrates through the upper die core and is communicated with the cross-shaped cavity;

the positioning system comprises an upper positioning component fixed on a first upper die core and a lower positioning component (311) fixed on a first lower die core (31), the upper positioning component and the lower positioning component (311) are arranged oppositely, the upper positioning component comprises an upper positioning block, the lower positioning component (311) comprises a lower positioning block, and a positioning cavity is formed between the upper positioning block and the lower positioning block; the cross section of the positioning cavity is hexagonal, the number of the positioning cavities is four, the four positioning cavities are arranged at four corners of the cross-shaped cavity respectively, the positioning cavities are communicated with the cross-shaped cavity, a stop block (312) is arranged on one side, away from the cross-shaped cavity, of each positioning cavity, positioning pieces (8) are placed in the positioning cavities and the cross-shaped cavity, a plurality of push rods are vertically arranged on the push rod fixing plate (4), and the push rods penetrate through the first lower die core (31) and are in contact with the cross-shaped cavity.

2. The hexagonal wrench mold according to claim 1, wherein the forming mold further comprises a cooling system, the cooling system comprises a first cooling channel (212) and a second cooling channel (213), the first cooling channel (212) is disposed in the first upper mold core, and the second cooling channel (213) is disposed in the first lower mold core (31).

3. The hexagonal wrench mold according to claim 2, wherein the first cooling channel (212) includes a first water inlet channel, a first connecting channel, a first turning channel, a second connecting channel and a first water outlet channel, which are connected in sequence, the first water inlet channel and the first water outlet channel are disposed in the upper mold plate (2), the first turning channel is disposed in the first upper mold core, and the first connecting channel and the second connecting channel both penetrate through the upper mold plate (2) and the first upper mold core.

4. The mold for the hexagonal wrench as claimed in claim 3, wherein the second cooling channel (213) comprises a second water inlet channel, a third connecting channel, a second turning channel, a fourth connecting channel and a second water outlet channel, which are connected in sequence, the second water inlet channel and the second water outlet channel are disposed in the lower mold plate (3), the second turning channel is disposed in the first lower mold core (31), and the third connecting channel and the fourth connecting channel both penetrate through the lower mold plate (3) and the first lower mold core (31).

5. A hexagonal wrench mold as claimed in claim 4, wherein there are two cross cavities and two locating assemblies.

6. A hexagonal wrench mould according to any one of claims 1-5, characterised in that the second guide post (41) is provided with a spring.

7. A hexagonal wrench mould according to any one of claims 1 to 5, characterized in that a plurality of support columns are vertically arranged between the lower mould plate (3) and the bottom plate (6), and the support columns penetrate through the push rod fixing plate (4) and the push-out plate (5).

8. A hexagonal wrench mould as claimed in any one of claims 1-5, characterised in that the sprue (11) is externally sheathed with a sprue bush (111).

9. A hex wrench die as claimed in claim 1, wherein said molding system for positioning the die comprises: the mould benevolence and second lower mould benevolence on the second, form the location die cavity between the benevolence of the second lower mould of mould benevolence on the second, the location die cavity is the cross, be provided with on the last terrace die (91) of going up mould benevolence, be provided with down terrace die (92) on the lower mould benevolence, it is rectangular shaped plate to go up terrace die (91) and lower terrace die (92), it sets up to go up terrace die (91) the four corners of location die cavity, lower terrace die (92) also set up the four corners of location die cavity.

10. The hexagonal wrench die according to claim 1, wherein the positioning member (8) is cross-shaped, the positioning member (8) includes four positioning rods (81), the positioning rods (81) are arranged at four corners of the positioning member (8), the positioning rods (81) are cylindrical, blind holes are formed in the positioning rods (81), the cross sections of the blind holes are hexagonal, rectangular hollows are formed in the outer circumferential surface of the positioning rods (81), four rectangular hollows are arranged on one positioning rod (81), the rectangular hollows are arranged at intervals, two rectangular hollows are arranged on the upper circumferential surface of the positioning rod (81), and the other two rectangular hollows are arranged on the lower circumferential surface of the positioning rod (81).