CN212888747U - Fixed die spring block structure of three-layer four-station injection mold - Google Patents
Fixed die spring block structure of three-layer four-station injection mold Download PDFInfo
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- CN212888747U CN212888747U CN202020854732.8U CN202020854732U CN212888747U CN 212888747 U CN212888747 U CN 212888747U CN 202020854732 U CN202020854732 U CN 202020854732U CN 212888747 U CN212888747 U CN 212888747U
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Abstract
The utility model relates to the field of machinary, a cover half bullet piece structure of three-layer quadruplex position injection mould is provided, including the fixed plate and locate bullet group, reset post and the guide arm on the fixed plate, bullet group includes the bullet piece post that is the echelonment range more than two, and bullet piece post, reset post and guide arm axial direction parallel arrange, and the movable loop bar in the axle outside is located including location axle and cover to the post that resets, and movable loop bar and location axle are through the spring coupling along the setting of location axle axial. Through arranging the bullet piece post echelonment to the lug of adaptation back wall product, thereby the variable point contact is the face contact, avoids bursting the product, influences product quality, and the product realizes the separation with the cover half through bullet piece group, and bullet group separates through the reset post with the product, reaches the drawing of patterns purpose of cover half side, and the drawing of patterns of the transparent back wall deep cavity product of brake light of being convenient for effectively solves the cracked risk of deep cavity mould die sinking.
Description
Technical Field
The utility model belongs to the field of machinary, a ejection mechanism of mould is related to, especially, relate to a cover half bullet piece structure of three-layer quadruplex position injection mould.
Background
With the development of socio-economic, automobiles have become indispensable means of transportation and delivery in human society. The vehicle lamp is an essential component of the vehicle, is embodied in different forms at a plurality of parts of the vehicle, and plays different roles and significances. Transparent back wall product of stop lamp on the market at present is because of need improve back wall light reflectivity, it sets up the lug structure to need the back wall high position usually, be used for the reflection light, and this lug structure is usually high to reaching more than 50mm, consequently, the shaping inequality appears easily in the mould injection molding process, the scheduling problem warp, thereby the technical degree of difficulty of mould design has been increased to the very big degree, and the shaping degree of depth of mould has greatly been deepened to high wall thickness product, make the product lead to the product to appear the drawing of patterns difficulty because produce great suction mould power when the drawing of patterns, quality problems such as fracture, direct influence product quality and optical property.
The brake lamp transparent back wall deep cavity die based on the three-layer four-station injection molding technology has the advantages that the height of the lug of the brake lamp back wall product is higher than 50mm towards the back wall, and when the product is demoulded, the cavity of the die is too deep, a vacuum environment is formed inside the injection molding back die, so that a strong mold suction force is generated between a molding part and the die, and the demoulding difficulty of the molding part is increased. The conventional ejection and demolding mechanism has the advantages that the ejection contact surface is small, the force is concentrated, the problem that the top of a plastic part is easily burst is caused, and the product quality is directly influenced.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a cover half bullet piece structure of three-layer quadruplex position injection mould is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model discloses creatively provides a cover half bullet piece structure of three-layer quadruplex position injection mould, including the fixed plate and locate bullet group, reset post and the guide arm on the fixed plate, bullet group includes the bullet piece post that is the echelonment range more than two, and bullet piece post, reset post and guide arm axial direction parallel arrange, and the movable loop bar in the axle outside is located including location axle and cover to the post that resets, and movable loop bar and location axle are through the spring coupling along the setting of location axle axial.
In the fixed die elastic block structure of the three-layer four-station injection mold, the side part of the guide rod is provided with the draw hook groove.
In the fixed die elastic block structure of the three-layer four-station injection mold, the drag hook groove is formed in the outer side surface of one end, close to the fixed plate, of the guide rod.
In the fixed die elastic block structure of the three-layer four-station injection mold, each elastic block group comprises four elastic block columns.
In the fixed die elastic block structure of the three-layer four-station injection mold, the elastic block columns in each elastic block group are arranged in an arc shape along the plane where the fixed plate is located.
In the fixed die elastic block structure of the three-layer four-station injection mold, the movable sleeve rod is connected with the fixed plate through the fixed assembly.
In the fixed die elastic block structure of the three-layer four-station injection mold, the fixing assembly comprises a bottom plate, two horizontal fixing blocks, a positioning block and two vertical fixing blocks, the bottom plate is fixedly connected with the fixing plate, the two horizontal fixing blocks are respectively clamped with the movable loop bars from two sides of the movable loop bars, the two horizontal fixing blocks are pressed on the bottom plate by the positioning block, the vertical fixing blocks are pressed on the positioning block, and the two horizontal fixing blocks are pressed from two sides to the middle.
In the fixed die elastic block structure of the three-layer four-station injection mold, the outer side surfaces of the horizontal fixed blocks are inclined surfaces, the vertical fixed blocks comprise pressing plates and side pressure parts arranged on two sides below the pressing plates, the inner sides of the bottom ends of the side pressure parts of the vertical fixed blocks are provided with inclined surfaces corresponding to the outer side surfaces of the horizontal fixed blocks, and when the outer side surfaces of the horizontal fixed blocks are pressed with the side pressure parts of the vertical fixed blocks, the inner sides of the two horizontal fixed blocks are mutually abutted to press the movable sleeve rod.
In the fixed die elastic block structure of the three-layer four-station injection mold, the two horizontal fixed blocks are connected through the horizontal connecting column.
In the fixed die elastic block structure of the three-layer four-station injection mold, the bottom plate, the positioning block and the vertical fixing block are fixed through the bolt set.
Compared with the prior art, the utility model has the advantages of:
1. through arranging the bullet piece post echelonment to the lug of adaptation back wall product, thereby the variable point contact is the face contact, avoids bursting the product, influences product quality, and the product realizes the separation with the cover half through bullet piece group, and bullet group separates through the reset post with the product, reaches the drawing of patterns purpose of cover half side, and the drawing of patterns of the transparent back wall deep cavity product of brake light of being convenient for effectively solves the cracked risk of deep cavity mould die sinking.
2. The side part of the guide rod is provided with a draw hook groove, so that the draw hook is matched to pull the elastic block structure to move.
3. Realize the firm connection of activity loop bar axial and side direction on the fixed plate through fixed subassembly, guarantee the depth of parallelism of activity loop bar and bullet piece post to make the axial motion of bullet piece post more accurate, avoid the slope to damage the product when reseing.
Drawings
Fig. 1 is a perspective structural view provided by the present invention.
Fig. 2 is a cross-sectional view provided by the present invention.
Fig. 3 is a partial explosion diagram provided by the present invention.
In the figure, a fixing plate 1, an elastic block group 2, an elastic block column 20, a reset column 3, a positioning shaft 30, a movable sleeve rod 31, a spring 32, a guide rod 4, a pull hook groove 40, a fixing component 5, a bottom plate 50, a horizontal fixing block 51, a positioning block 52, a vertical fixing block 53, a horizontal connecting column 54 and a bolt group 55.
Detailed Description
As shown in fig. 1 and 2, the fixed mold spring block structure of the three-layer four-station injection mold comprises a fixed plate 1, a spring block group 2, a reset column 3 and a guide rod 4, wherein the spring block group 2, the reset column 3 and the guide rod 4 are arranged on the fixed plate 1, the spring block group 2 comprises more than two spring block columns 20 which are arranged in a ladder shape, the spring block columns 20, the reset column 3 and the guide rod 4 are axially arranged in parallel, the reset column 3 comprises a positioning shaft 30 and a movable sleeve rod 31 sleeved outside the positioning shaft 30, and the movable sleeve rod 31 is connected with the positioning shaft 30 through a spring 32. Through arranging the 20 echelonments of bullet piece post to the lug of adaptation back wall product, thereby the change point contact is the face contact, avoids breaking the product, influences product quality, and the product realizes the separation with the cover half through bullet piece group 2, and bullet piece group 2 separates with the product through the post 3 that resets, reaches the drawing of patterns purpose of cover half side.
Specifically, a spring 32 is sleeved on the positioning shaft 30 along the axial direction, two ends of the spring 32 are respectively connected with the positioning shaft 30 and the movable sleeve rod 31, and the movable sleeve rod 31 moves along the axial direction of the positioning shaft 30.
Specifically, the guide rods 4 are four and symmetrically arranged on two sides of the fixing plate 1, and in order to better realize the movement of the elastic block structure following the template, the side parts of the guide rods 4 are provided with draw hook grooves 40 so as to cooperate with draw hooks to pull the elastic block structure to move. The draw hook groove 40 is arranged on the outer side surface of one end of the guide rod 4 close to the fixing plate 1, and is convenient to be matched with a draw hook.
As shown in fig. 1, each of the bullet block sets 2 includes four bullet block columns 20. The elastic block columns 20 in each elastic block group 2 are arranged along the plane where the fixing plate 1 is located in an arc shape, and the elastic block columns 20 gradually increase from one side to the other side. Thereby matching with the structure of the product and ensuring even stress.
As shown in fig. 2 and 3, the positioning rod 30 of the reset column 3 is fixedly arranged in the mold, and is stationary relative to the fixed mold plate during mold opening, and the movable loop bar 31 of the reset column 3 is connected with the fixed plate 1 through the fixing assembly 5. The fixing assembly 5 comprises a bottom plate 50, two horizontal fixing blocks 51, a positioning block 52 and two vertical fixing blocks 53, the bottom plate 50 is fixedly connected with the fixing plate 1, the number of the horizontal fixing blocks 51 is two, the movable loop bars 31 are clamped from two sides of the movable loop bars 3 respectively, the two horizontal fixing blocks 51 are pressed on the bottom plate 50 through the positioning block 52, the vertical fixing blocks 53 are pressed on the positioning block 52, and the two horizontal fixing blocks 51 are pressed from two sides to the middle. The outer side surfaces of the horizontal fixing blocks 51 are inclined surfaces, the vertical fixing blocks 53 comprise pressing plates and side pressing portions arranged on two sides below the pressing plates, the inner sides of the bottom ends of the side pressing portions of the vertical fixing blocks 53 are provided with inclined surfaces corresponding to the outer side surfaces of the horizontal fixing blocks 51, and when the outer side surfaces of the horizontal fixing blocks 51 and the side pressing portions of the vertical fixing blocks 53 are pressed, the inner sides of the two horizontal fixing blocks 51 are mutually abutted to press the movable loop bar 31. The two horizontal fixing blocks 51 are connected through a horizontal connecting column 54. The base plate 50, the positioning block 52 and the vertical fixing block 53 are fixed by a bolt set 55.
The top of activity loop bar 31 has along the convex spacing portion of circumference, this spacing portion sets up on horizontal fixed block 51, the spacing portion below of two horizontal fixed block 51 clamp movable loop bar 31, the clamp plate of vertical fixed block 53 and horizontal fixed block 51 compress tightly the spacing portion of activity loop bar 31 between the two, and vertical fixed block 53 compresses tightly two horizontal fixed block 51 further side directions through side pressure portion, thereby realize the firm connection to activity loop bar 31 axial and side direction, guarantee movable loop bar 31 and the depth of parallelism of bullet piece post 20, thereby make the axial motion of bullet piece post 20 more accurate, avoid slope damage product when reseing.
The working principle of the utility model is as follows:
the elastic block structure is arranged on the side of the fixed die, the guide rod 4 moves along with the movable die under the action of the draw hook during die opening, a product is gradually separated from the fixed die, the movable loop bar 31 compresses the spring 32 to generate a pre-pressing force, when the product is separated from the fixed die and reaches a set position, the draw hook is separated from the guide rod 4, the movable loop bar 31 drives the fixed plate 1 to reset under the action of the pre-pressing force of the spring 32, and the elastic block group 2 is flicked to be separated from the product, so that the risk of die opening fragmentation of the deep cavity.
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 base, test mechanism, mounting table, lead screw assembly, cylinder, lead screw, sliding sleeve, 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 cover half bullet piece structure of three-layer quadruplex position injection mould which characterized in that: including fixed plate (1) and locate bullet piece group (2), post (3) and the guide arm (4) that reset on fixed plate (1), bullet piece group (2) are bullet piece post (20) that the echelonment was arranged more than two, bullet piece post (20), post (3) and the guide arm (4) axial direction parallel arrange that reset, the movable loop bar (31) in the location axle (30) outside are located including location axle (30) and cover to reset post (3), movable loop bar (31) are connected through spring (32) along location axle (30) axial setting with location axle (30).
2. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 1, wherein: the side part of the guide rod (4) is provided with a draw hook groove (40).
3. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 2, wherein: the draw hook groove (40) is arranged on the outer side surface of one end, close to the fixed plate (1), of the guide rod (4).
4. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 1, wherein: each bullet block group (2) comprises four bullet block columns (20).
5. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 4, wherein: the elastic block columns (20) in each elastic block group (2) are arranged in an arc shape along the plane where the fixed plate (1) is located.
6. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 1, wherein: the movable loop bar (31) is connected with the fixed plate (1) through the fixed component (5).
7. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 6, wherein: the fixing assembly (5) comprises a bottom plate (50), horizontal fixing blocks (51), positioning blocks (52) and vertical fixing blocks (53), the bottom plate (50) is fixedly connected with the fixing plate (1), the number of the horizontal fixing blocks (51) is two, the movable loop bars (31) are clamped from two sides of the movable loop bars (31) respectively, the positioning blocks (52) press the two horizontal fixing blocks (51) on the bottom plate (50), the vertical fixing blocks (53) are pressed on the positioning blocks (52), and the two horizontal fixing blocks (51) are pressed from two sides to the middle.
8. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 7, wherein: the lateral surface of horizontal fixed block (51) is the inclined plane, vertical fixed block (53) include the clamp plate with set up in the side pressure portion of clamp plate below both sides, the bottom inboard of the side pressure portion of vertical fixed block (53) has the inclined plane that corresponds with horizontal fixed block (51) lateral surface, and when the lateral surface of horizontal fixed block (51) and the side pressure portion of vertical fixed block (53) compressed tightly, two the inboard of horizontal fixed block (51) supported each other to lean on with activity loop bar (31) compresses tightly.
9. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 7, wherein: the two horizontal fixing blocks (51) are connected through a horizontal connecting column (54).
10. The fixed mold spring block structure of a three-layer four-station injection mold as set forth in claim 7, wherein: the bottom plate (50), the positioning block (52) and the vertical fixing block (53) are fixed through a bolt group (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020854732.8U CN212888747U (en) | 2020-05-20 | 2020-05-20 | Fixed die spring block structure of three-layer four-station injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020854732.8U CN212888747U (en) | 2020-05-20 | 2020-05-20 | Fixed die spring block structure of three-layer four-station injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212888747U true CN212888747U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020854732.8U Active CN212888747U (en) | 2020-05-20 | 2020-05-20 | Fixed die spring block structure of three-layer four-station injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212888747U (en) |
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2020
- 2020-05-20 CN CN202020854732.8U patent/CN212888747U/en active Active
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| GR01 | Patent grant | ||
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Address after: 318020 No. 277, Xinjiang road, Xinqian street, Huangyan District, Taizhou City, Zhejiang Province Patentee after: ZHEJIANG YUYA MOULD Co.,Ltd. Address before: No.18, Jinchuan Road, Huangyan Beicheng Development Zone, Huangyan District, Taizhou City, Zhejiang Province 318020 Patentee before: ZHEJIANG YUYA MOULD Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |