CN211518207U - Large sliding block thimble demoulding mechanism of automobile auxiliary instrument framework mould - Google Patents

Large sliding block thimble demoulding mechanism of automobile auxiliary instrument framework mould Download PDF

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Publication number
CN211518207U
CN211518207U CN201921709075.1U CN201921709075U CN211518207U CN 211518207 U CN211518207 U CN 211518207U CN 201921709075 U CN201921709075 U CN 201921709075U CN 211518207 U CN211518207 U CN 211518207U
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CN
China
Prior art keywords
sliding block
slider
ejector pin
auxiliary instrument
automobile auxiliary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921709075.1U
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Chinese (zh)
Inventor
季海螺
王开宁
黎刚
杨威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Huangyan Hongqi Plastic Mould Co ltd
Original Assignee
Taizhou Huangyan Hongqi Plastic Mould Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Taizhou Huangyan Hongqi Plastic Mould Co ltd filed Critical Taizhou Huangyan Hongqi Plastic Mould Co ltd
Priority to CN201921709075.1U priority Critical patent/CN211518207U/en
Application granted granted Critical
Publication of CN211518207U publication Critical patent/CN211518207U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a mould field provides a big slider thimble demoulding mechanism of vice instrument skeleton mould of car, including the movable mould, the cover half, locate the big slider on the cover half, connect the ejecting subassembly that is arranged in this big slider of oblique guide pillar and the activity that is used for stirring big slider on the movable mould, still include one and set up the dog on the movable mould, this dog has a vertical face and connects in the inclined plane of this vertical face, under the compound die state, the one end and the product die cavity contact of ejecting subassembly, and the other end supports and leans on the vertical face at the dog, forms the breach between inclined plane and the big slider. The utility model discloses can prevent big slider and product adhesion, easily deviate from big slider from the dark muscle position of product to make the dog not directly strike the thimble with the bottom horizontal plane at the compound die in-process through the inclined plane, form and keep away the slow thimble that promotes of empty breach, the thimble of being convenient for is along with big slider horizontal migration to compound die position.

Description

Large sliding block thimble demoulding mechanism of automobile auxiliary instrument framework mould
Technical Field
The utility model belongs to the mould field relates to demoulding mechanism, especially relates to a vice instrument skeleton mould of car big slider thimble demoulding mechanism.
Background
The lateral tightening force in the large sliding block of the automobile auxiliary instrument framework die is large, the sliding block is easy to adhere to the rib position, the risk of product deformation exists if the sliding block is forcedly demoulded, and the defective rate is high.
Chinese patent document discloses a false thimble ejection structure [ application number: CN201010181373.5] comprises: the sliding block body is arranged in the male template, the bottom of the sliding block body is provided with a screw hole, the direction of the screw hole is vertical, and the sliding block body is provided with a groove in the horizontal direction; the sliding block insert is arranged in the male die core of the die and is connected with the sliding block body; one end of the false thimble is contacted with the product, the other end is arranged in the groove of the slide block body, a spring is arranged between the false thimble and the groove, and one end of the false thimble arranged in the groove is provided with a key groove; a screw screwed in the screw hole, and one end of the screw is arranged in the key groove; one end of the sliding block bundle block is arranged in the female template.
The scheme overcomes the defect that the product is easy to stick to the sliding block in the demoulding process. However, for deep rib products, the displacement of the slider body and the false ejector pin is large after the slider body and the false ejector pin are separated from the products, the part of the rear end of the ejector pin protruding out of the slider body is long, and the slider bundle block directly impacts the ejector pin during die assembly to block die assembly.
Disclosure of Invention
The utility model aims to solve the problems and provide a demoulding mechanism for a large slider thimble of an automobile auxiliary instrument framework mould; the technical problems that a slide block blocks block the mold closing when the prior art is applied to a deep rib product and the like are solved.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a vice instrument skeleton mould big slider thimble demoulding mechanism of car creatively, including the movable mould, the cover half, locate the big slider on the cover half, connect the ejecting subassembly that is arranged in this big slider of oblique guide pillar and the activity of stirring big slider on the movable mould, still include one and set up the dog on the movable mould, this dog has a vertical face and connects in the inclined plane of this vertical face, under the compound die state, the one end and the product die cavity contact of ejecting subassembly, and the other end supports and leans on the vertical face at the dog, forms the breach between inclined plane and the big slider.
In the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould, the movable hole is horizontally arranged on the large sliding block, the groove with the diameter larger than that of the movable hole is arranged at the rear end of the movable hole, the ejection assembly comprises an ejector pin penetrating through the movable hole and the groove, an ejector pin spring sleeved between the ejector pin and the groove, and an ejector pin pressing block arranged on the end face of the groove and used for limiting the movement of the ejector pin.
In the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould, the horizontal distance between the top end and the bottom end of the inclined surface of the stop block is larger than the stroke of the ejector pin from a mould closing state to a position where the end surface of the ejector pin is separated from a product cavity. The tail end of the ejector pin is not blocked by the inclined surface when the ejector pin moves to the position, and mold closing is facilitated.
In the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould, a sliding block elastic element is connected between the large sliding block and the fixed mould along the horizontal direction. The large sliding block is helped to horizontally move under the stirring of the inclined guide post.
In the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould, the large sliding block is provided with the mounting groove, the elastic element of the sliding block is a sliding block spring, one end of the sliding block spring is connected in the mounting groove, the other end of the sliding block spring is connected on the fixed mould, and the sliding block spring is in a compressed state in a mould closing state. The slider spring is arranged in the mounting groove, and the whole space of the die is not increased.
In the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould, the bottom of one end, close to a product cavity, of the large sliding block is a sliding block inclined plane, and a fixed mould inclined plane corresponding to the sliding block inclined plane is arranged on the fixed mould. The friction force of the fixed die to the large sliding block is reduced, so that the large sliding block is convenient to draw out.
In the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould, the large sliding block is provided with a cooling water pipe channel. On one hand, the forming of product materials is facilitated, and on the other hand, the large sliding block is cooled and shrunk to facilitate demoulding.
In the large-slider thimble demoulding mechanism for the automobile auxiliary instrument framework mould, the cooling water pipe channel comprises more than two blind holes horizontally arranged at intervals and a connecting channel used for connecting the blind holes.
In the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould, the fixed mould is provided with the sliding rail, and the large sliding block is provided with the sliding groove corresponding to the sliding rail. The advancing direction of the large sliding block is ensured, and the vertical acting force on the ejector pin in the demoulding process is reduced.
In the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould, the sliding rail is a dovetail-shaped sliding rail, and the sliding groove is a dovetail-shaped sliding groove.
Compared with the prior art, the utility model has the advantages of:
1. the large sliding block is easy to be separated from the deep rib part of a product, the stop dog is prevented from directly impacting the ejector pin by the horizontal plane at the bottom in the die assembly process through the inclined plane, the clearance gap is formed, the ejector pin is slowly pushed, and the ejector pin can be conveniently moved to the die assembly position along with the large sliding block.
2. The horizontal pushing force is increased through the slider spring, and the large slider can be further helped to move horizontally to perform demoulding.
3. The cooling water pipe channel is used for accelerating the product forming of the rib position, the tightening force is reduced, the demolding speed is promoted, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram provided by the present invention.
In the drawing, a movable die 1, a product cavity 10, a fixed die 2, a dovetail slide rail 20, a large slide block 3, a groove 30, a guide post hole 31, a slide block spring 32, an inclined guide post 33, an ejection assembly 4, an ejector pin 40, an ejector pin spring 41, an ejector pin press block 42, a stop block 5, a vertical surface 50, an inclined surface 51, a cooling water pipe passage 6, a blind hole 60 and a connecting passage 61.
Detailed Description
As shown in fig. 1, the ejector pin demoulding mechanism for the large sliding block of the automobile auxiliary instrument framework mould comprises a movable mould 1, a fixed mould 2, a large sliding block 3 arranged on the fixed mould 2, an inclined guide pillar 33 connected to the movable mould 1 and used for shifting the large sliding block 3, an ejection assembly 4 movably arranged in the large sliding block 3 and a stop block arranged on the movable mould 1, wherein the forming surfaces of the movable mould 1, the fixed mould 2 and the large sliding block 3 form a product cavity 10.
Specifically, a movable hole is horizontally arranged on the large sliding block 3, a groove 30 with a diameter larger than that of the movable hole is arranged at the rear end of the movable hole, the ejection assembly 4 comprises an ejector pin 40 penetrating through the movable hole and the groove 30, an ejector pin spring 41 sleeved between the ejector pin 40 and the groove 30, and an ejector pin press block arranged on the end surface of the groove 30 and used for limiting the movement of the ejector pin 40, a convex edge is arranged on the ejector pin 40, and the inner surface of the ejector pin press block is tightly pressed through the convex edge.
The big sliding block 3 is provided with a guide post hole 31 which is in clearance fit with the inclined guide post 33.
The relationship between the stroke S of the large slide block 3 from a mold closing state to the position where the end surface of the large slide block is separated from the product cavity 10, the vertical distance H from the contact position of the stop block and the ejector assembly 4 in the mold closing state to the bottom end of the vertical surface of the stop block, and the vertical height H of the inclined guide post 33 from the mold closing state to just abut against the inner side wall of the guide post hole 31, and the included angle alpha between the axis of the inclined guide post 33 and the vertical plane is S/(H-H).
The stop block is provided with a vertical surface and an inclined surface connected to the vertical surface, one end of the ejector pin 40 is in contact with the product cavity 10 in a die assembly state, the other end of the ejector pin is abutted against the vertical surface of the stop block, and a gap is formed between the inclined surface and the large sliding block 3. The horizontal distance between the top end and the bottom end of the inclined surface of the stop block is larger than the stroke of the ejector pin 40 from the mold closing state to the position where the end surface of the ejector pin is separated from the product cavity 10, and the tail end of the ejector pin 40 is not blocked by the inclined surface when the ejector pin moves to the position.
The fixed die 2 is provided with a dovetail slide rail 20 with an inverted trapezoidal cross section, and the big slide block 3 is provided with a dovetail slide groove corresponding to the slide rail. The advancing direction of the large slide block 3 is ensured, and the vertical acting force on the ejector pin 40 in the demoulding process is reduced. The bottom of one end of the large sliding block 3 close to the product cavity 10 is a sliding block inclined plane, and the fixed die 2 is provided with a fixed die 2 inclined plane corresponding to the sliding block inclined plane. The friction force of the fixed die 2 to the big sliding block 3 is reduced, so that the big sliding block 3 is convenient to draw out. The big slider 3 is provided with the mounting groove near cover half 2 one side, installs slider spring 32 along the horizontal direction in the mounting groove, and this slider spring 32's one end is connected in the mounting groove, and the other end is connected on cover half 2, and this slider spring 32 is in compression state under the compound die state. The large sliding block 3 is helped to horizontally move under the poking of the inclined guide post 33, and the sliding block spring 32 is installed in the installation groove, so that the whole space of the die is not increased.
The large sliding block 3 is provided with a cooling water pipe channel which is used for leading in a cooling water pipe, and the cooling water pipe channel comprises more than two blind holes which are horizontally arranged at intervals and a connecting channel which is used for connecting the blind holes. Each blind hole forms a passage through a connecting channel, the top end of each blind hole is positioned at the position of the large sliding block 3 close to the product cavity 10, and the tail ends of two adjacent blind holes are respectively connected with a water inlet channel and a water outlet channel. On one hand, the forming of product materials is facilitated, and on the other hand, the large sliding block 3 is cooled and shrunk to facilitate demoulding.
The working principle of the utility model is as follows:
when the mold is opened, the movable mold 1 is separated from the fixed mold 2, meanwhile, under the action of the slider spring 32, the inclined guide post 33 stirs the large slider 3 to withdraw, in the first stage, in the withdrawing process of the large slider 3, the ejector pin 40 is acted by the vertical surface 50 of the stop block 5 to press the product tightly until the large slider 3 is completely separated from the product, and the ejector pin 40 is just positioned at the bottom end of the vertical surface 50; in the second stage, the large slide block 3 continues to withdraw, the ejector pin 40 returns to the position blocked by the ejector pin press block 42 under the action of the ejector pin spring 41, and the ejector pin 40 is also separated from the product, so that the demoulding is realized.
During die assembly, the movable die 1 is close to the fixed die 2, the inclined guide post 33 stirs the large sliding block 3 forwards, the stop block 5 pushes the large sliding block 3, meanwhile, the inclined surface 51 of the stop block 5 pushes the ejector pin 40 to enable the ejector pin to gradually abut against the vertical surface 50, and the large sliding block 3 continues to move forwards along with the inclined guide post 33 until the movable die moves to a die assembly position.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms moving die, fixed die, large slide, groove, angle guide post, ejection assembly, thimble, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. The utility model provides a big slider thimble demoulding mechanism of vice instrument skeleton mould of car, includes movable mould (1), cover half (2), locates big slider (3) on cover half (2), connect and be used for stirring oblique guide pillar (33) and the activity of big slider (3) on movable mould (1) and locate ejecting subassembly (4) in this big slider (3), its characterized in that: the mold ejection mechanism is characterized by further comprising a stop block (5) arranged on the movable mold (1), wherein the stop block (5) is provided with a vertical surface (50) and an inclined surface (51) connected to the lower portion of the vertical surface (50), one end of the ejection assembly (4) is in contact with the product cavity (10) in a mold closing state, the other end of the ejection assembly abuts against the vertical surface (50) of the stop block (5), and a gap is formed between the inclined surface (51) and the large sliding block (3).
2. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 1, characterized in that: the ejector pin spring structure is characterized in that a movable hole is horizontally arranged on the large sliding block (3), a groove (30) with the diameter larger than that of the movable hole is formed in the rear end of the movable hole, the ejector component (4) comprises an ejector pin (40) penetrating through the movable hole and the groove (30), an ejector pin spring (41) sleeved between the ejector pin (40) and the groove (30), and an ejector pin pressing block (42) arranged on the end face of the groove (30) and used for limiting the movement of the ejector pin (40).
3. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 2, characterized in that: the horizontal distance between the top end and the bottom end of the inclined surface (51) of the stop block (5) is larger than the stroke of the ejector pin (40) from a mold closing state to a position where the end surface of the ejector pin is separated from the product cavity (10).
4. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 1, characterized in that: and a sliding block elastic element is connected between the large sliding block (3) and the fixed die (2) along the horizontal direction.
5. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 4, characterized in that: the large sliding block (3) is provided with a mounting groove, the sliding block elastic element is a sliding block spring (32), one end of the sliding block spring (32) is connected into the mounting groove, the other end of the sliding block spring (32) is connected onto the fixed die (2), and the sliding block spring (32) is in a compression state in a die closing state.
6. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 1, characterized in that: the bottom of one end, close to the product cavity (10), of the large sliding block (3) is a sliding block inclined plane, and a fixed die (2) inclined plane corresponding to the sliding block inclined plane is arranged on the fixed die (2).
7. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 1, characterized in that: the large sliding block (3) is provided with a cooling water pipe channel (6).
8. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 7, characterized in that: the cooling water pipe channel (6) comprises more than two blind holes (60) arranged horizontally at intervals and a connecting channel (61) used for connecting the blind holes (60).
9. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 1, characterized in that: the fixed die (2) is provided with a slide rail, and the big slide block (3) is provided with a slide groove corresponding to the slide rail.
10. The large-slider thimble demolding mechanism for the automobile auxiliary instrument framework mold according to claim 9, characterized in that: the slide rail is a dovetail slide rail (20), and the sliding groove is a dovetail sliding groove.
CN201921709075.1U 2019-10-12 2019-10-12 Large sliding block thimble demoulding mechanism of automobile auxiliary instrument framework mould Expired - Fee Related CN211518207U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921709075.1U CN211518207U (en) 2019-10-12 2019-10-12 Large sliding block thimble demoulding mechanism of automobile auxiliary instrument framework mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921709075.1U CN211518207U (en) 2019-10-12 2019-10-12 Large sliding block thimble demoulding mechanism of automobile auxiliary instrument framework mould

Publications (1)

Publication Number Publication Date
CN211518207U true CN211518207U (en) 2020-09-18

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ID=72442136

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921709075.1U Expired - Fee Related CN211518207U (en) 2019-10-12 2019-10-12 Large sliding block thimble demoulding mechanism of automobile auxiliary instrument framework mould

Country Status (1)

Country Link
CN (1) CN211518207U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200918

CF01 Termination of patent right due to non-payment of annual fee