CN220806159U - Needle pulling device of screw die - Google Patents
Needle pulling device of screw die Download PDFInfo
- Publication number
- CN220806159U CN220806159U CN202321841554.5U CN202321841554U CN220806159U CN 220806159 U CN220806159 U CN 220806159U CN 202321841554 U CN202321841554 U CN 202321841554U CN 220806159 U CN220806159 U CN 220806159U
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- China
- Prior art keywords
- needle
- die
- support
- clamping
- plate
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Links
- 239000003814 drug Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000000748 compression moulding Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a screw die needle pulling device, which comprises a bracket with an upper support plate and a lower support plate which are horizontally arranged, a needle pulling mechanism arranged on the upper support plate of the bracket and a die clamping mechanism arranged on the lower support plate of the bracket; the needle pulling mechanism comprises a first vertical driving cylinder, a horizontal positioning plate, a second vertical cylinder, an ejector rod and a mould needle clamping assembly; the die clamping mechanism comprises a cylindrical support, an upper clamping cylinder and a lower clamping cylinder; the die clamping mechanism clamps the rear cone of the die to be die-unloaded through an upper clamping cylinder and a lower clamping cylinder, so that the tail of the die needle faces upwards. The first vertical driving cylinder controls the ejector rod to downwards tightly jack the medicine in the inner cavity of the mold; and after the die needle clamping assembly clamps the tail part of the die needle, the second vertical cylinder controls the die needle clamping assembly to vertically move upwards so as to pull out the die needle. The needle pulling device realizes automation of a mould pulling needle process.
Description
Technical Field
The utility model relates to a needle pulling device of a screw press molding die, and belongs to the technical field of screw press molding dies.
Background
The compression molding is a key process for producing the screw-compression solid propellant, and the mold unloading is an essential link after the compression molding is completed. At present, when the screw propellant is extruded and the die is disassembled, the molded explosive column which remains in the die after being extruded by the extruding machine exists in the die of the extruding machine, and the die needle is tightly wrapped by the surrounding molded explosive column in the middle of the die, so that the manual disassembly is time-consuming and labor-consuming. The mould needs several operating personnel to operate cooperatively every time, and the bigger the mould is, the more the operating personnel are needed, the personnel gather and the direct contact with the medicine material, the safety risk is big, and the intensity of labour is high. After the front cone and the rear cone of the die are separated, the needle frame is pulled out of the rear cone and the molded body grain by manually using a simple tool for pulling the needle frame. If the operation is improper in the disassembly process, the mold needle is easy to deform and bend, and the production progress is influenced.
Disclosure of utility model
The utility model aims to solve the problem that a mold drawing needle is difficult when a pressure relief stretching machine mold is disassembled, and provides a screw mold drawing needle device.
The technical problems of the utility model are solved by the following technical proposal.
The utility model relates to a screw press mold needle pulling device, which comprises a bracket with an upper support plate and a lower support plate which are horizontally arranged, a needle pulling mechanism arranged on the upper support plate of the bracket, and a mold clamping mechanism arranged on the lower support plate of the bracket;
The needle pulling mechanism comprises a first vertical driving air cylinder fixed on the upper support plate of the support, a horizontal positioning plate fixed at the front end of a piston rod of the vertical driving air cylinder, a second vertical air cylinder fixed in the middle of the horizontal positioning plate, an ejector rod vertically fixed on the outer ring of the lower plate surface of the horizontal positioning plate, and a mold needle clamping assembly fixed at the front end of the piston rod of the second vertical air cylinder;
The first vertical driving air cylinder controls the horizontal positioning plate to vertically move relative to the support plate on the support, the second vertical air cylinder controls the mold needle clamping assembly to vertically move relative to the horizontal positioning plate, the mold needle clamping assembly is used for clamping the tail part of the mold needle, and the ejector rod is used for tightly pushing up the medicine in the inner cavity of the mold;
The die clamping mechanism comprises a cylindrical support fixed on the lower support plate of the support, a group of upper clamping cylinders arranged on the upper section of the inner wall of the cylindrical support, and a group of lower clamping cylinders arranged on the lower section of the inner wall of the cylindrical support; the die clamping mechanism clamps the rear cone of the die to be die-unloaded through an upper clamping cylinder and a lower clamping cylinder, so that the tail of the die needle faces upwards.
Working process
When the die is to be removed, the die rear cone to be removed is firstly placed in the cylindrical support of the die clamping mechanism, and the die rear cone to be removed is clamped by the upper clamping cylinder and the lower clamping cylinder, so that the tail of the die rear cone needle is upward. The first vertical driving cylinder is used for controlling the vertical downward movement of the horizontal positioning plate, so that a push rod fixed on the lower plate surface of the horizontal positioning plate tightly pushes down the medicine in the inner cavity of the mold; and then the second vertical air cylinder is used for controlling the die needle clamping assembly to move vertically downwards, and the tail part of the die needle is clamped after the die needle clamping assembly moves in place. And then the second vertical cylinder controls the die needle clamping assembly to drive the die needle to vertically move upwards, so that the die needle is pulled out of the rear cone of the die.
The upper plate surface of the horizontal positioning plate is provided with a vertical sliding rail, a support plate on the support is provided with a guide hole corresponding to the vertical sliding rail, and the horizontal positioning plate is connected with the support plate on the support through the vertical sliding rail, so that the horizontal positioning plate and the support plate on the support can move relatively stably.
Advantageous effects
The needle pulling device aims at the problem that the mould pulling needle is difficult when the pressure relief stretching mould is disassembled, and realizes automation of the mould pulling needle process, so that the number of operators is reduced, the labor intensity is reduced, the working efficiency is improved, and the intrinsic safety is improved.
Drawings
FIG. 1 is a schematic view of a needle withdrawing device according to the present utility model;
In the figure, a 1-bracket, a 2-first vertical driving cylinder, a 3-horizontal positioning plate, a 4-second vertical cylinder, a 5-ejector rod, a 6-mold needle clamping assembly, a 7-cylindrical support, an 8-upper clamping cylinder, a 9-lower clamping cylinder, a 10-vertical sliding rail, a 11-mold rear cone and a 12-mold needle.
Detailed Description
The present utility model will be further described with reference to the drawings and examples.
Examples
As shown in fig. 1, the screw press mold needle pulling device of the utility model comprises a bracket 1 with upper and lower support plates horizontally arranged, a needle pulling mechanism arranged on the upper support plate of the bracket 1 and a mold clamping mechanism arranged on the lower support plate of the bracket 1;
The needle pulling mechanism comprises a first vertical driving air cylinder 2 fixed on an upper supporting plate of the bracket 1, a horizontal positioning plate 3 fixed at the front end of a piston rod of the vertical driving air cylinder, a second vertical air cylinder 4 fixed in the middle of the horizontal positioning plate 3, a push rod 5 vertically fixed on the outer ring of the lower plate surface of the horizontal positioning plate 3, and a mould needle clamping assembly 6 fixed at the front end of the piston rod of the second vertical air cylinder 4;
The first vertical driving air cylinder 2 controls the horizontal positioning plate 3 to vertically move relative to the support plate on the support 1, the second vertical air cylinder 4 controls the mold needle clamping assembly 6 to vertically move relative to the horizontal positioning plate 3, the mold needle clamping assembly 6 is used for clamping the tail part of the mold needle 12, and the ejector rod 5 is used for tightly pushing up the medicine in the inner cavity of the mold;
The die clamping mechanism comprises a cylindrical support 7 fixed on a lower support plate of the support 1, a group of upper clamping cylinders 8 arranged on the upper section of the inner wall of the cylindrical support 7, and a group of lower clamping cylinders 9 arranged on the lower section of the inner wall of the cylindrical support 7; the die clamping mechanism clamps a die rear cone 11 of a die to be unloaded through an upper clamping cylinder 8 and a lower clamping cylinder 9, so that the tail of a die needle 12 faces upwards;
The upper plate surface of the horizontal positioning plate 3 is provided with a vertical sliding rail 10, a support plate on the support 1 is provided with a guide hole corresponding to the vertical sliding rail 10, and the horizontal positioning plate 3 is connected with the support plate on the support 1 through the vertical sliding rail 10, so that the horizontal positioning plate 3 and the support plate on the support 1 can move relatively stably.
When the die is to be removed, the die rear cone 11 to be removed is firstly placed in the cylindrical support 7 of the die clamping mechanism, and the die rear cone 11 to be removed is clamped by the upper clamping cylinder 8 and the lower clamping cylinder 9, so that the die needle tail of the die rear cone 11 faces upwards. The first vertical driving air cylinder 2 controls the horizontal positioning plate 3 to vertically move downwards, so that a push rod 5 fixed on the lower plate surface of the horizontal positioning plate 3 tightly pushes down the medicine in the inner cavity of the mold; the second vertical air cylinder 4 is used for controlling the vertical downward movement of the mold pin clamping assembly 6, and the tail of the mold pin 12 is clamped after the mold pin clamping assembly 6 moves in place. And then the second vertical cylinder 4 controls the die needle clamping assembly 6 to drive the die needle 12 to vertically move upwards, so that the die needle 12 is pulled out of the die rear cone 11.
Claims (2)
1. A kind of screw press mould pulls out the needle device, characterized by: comprises a bracket with an upper supporting plate and a lower supporting plate which are horizontally arranged, a needle pulling mechanism arranged on the upper supporting plate of the bracket and a die clamping mechanism arranged on the lower supporting plate of the bracket;
The needle pulling mechanism comprises a first vertical driving air cylinder fixed on the upper support plate of the support, a horizontal positioning plate fixed at the front end of a piston rod of the vertical driving air cylinder, a second vertical air cylinder fixed in the middle of the horizontal positioning plate, an ejector rod vertically fixed on the outer ring of the lower plate surface of the horizontal positioning plate, and a mold needle clamping assembly fixed at the front end of the piston rod of the second vertical air cylinder;
The first vertical driving air cylinder controls the horizontal positioning plate to vertically move relative to the support plate on the support, the second vertical air cylinder controls the mold needle clamping assembly to vertically move relative to the horizontal positioning plate, the mold needle clamping assembly is used for clamping the tail part of the mold needle, and the ejector rod is used for tightly pushing up the medicine in the inner cavity of the mold;
The die clamping mechanism comprises a cylindrical support fixed on the lower support plate of the support, a group of upper clamping cylinders arranged on the upper section of the inner wall of the cylindrical support, and a group of lower clamping cylinders arranged on the lower section of the inner wall of the cylindrical support; the die clamping mechanism clamps the rear cone of the die to be die-unloaded through an upper clamping cylinder and a lower clamping cylinder, so that the tail of the die needle faces upwards.
2. The screw die needle drawing device as defined in claim 1, wherein: the upper plate surface of the horizontal positioning plate is provided with a vertical sliding rail, a support plate on the support is provided with a guide hole corresponding to the vertical sliding rail, and the horizontal positioning plate is connected with the support plate on the support through the vertical sliding rail, so that the horizontal positioning plate and the support plate on the support can move relatively stably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841554.5U CN220806159U (en) | 2023-07-13 | 2023-07-13 | Needle pulling device of screw die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841554.5U CN220806159U (en) | 2023-07-13 | 2023-07-13 | Needle pulling device of screw die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220806159U true CN220806159U (en) | 2024-04-19 |
Family
ID=90711087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321841554.5U Active CN220806159U (en) | 2023-07-13 | 2023-07-13 | Needle pulling device of screw die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220806159U (en) |
-
2023
- 2023-07-13 CN CN202321841554.5U patent/CN220806159U/en active Active
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