CN210880795U - Reciprocating extrusion die - Google Patents
Reciprocating extrusion die Download PDFInfo
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- CN210880795U CN210880795U CN201921669163.3U CN201921669163U CN210880795U CN 210880795 U CN210880795 U CN 210880795U CN 201921669163 U CN201921669163 U CN 201921669163U CN 210880795 U CN210880795 U CN 210880795U
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Abstract
The utility model relates to a reciprocal extrusion die has solved the not enough of prior art, and technical scheme is: the input part in reciprocal extrusion chamber is cylindricly, the cross section of extrusion portion is trapezoidal form by the expansion of entry side direction outlet side, the axial longitudinal section of extrusion portion is horizontal hourglass hopper-shaped by the shrink of entry side direction outlet side, first pressure-sharing holds the chamber and has seted up horizontal intercommunication way towards the entrance side, the horizontal intercommunication way and the extrusion portion intercommunication in first pressure-sharing appearance chamber, the horizontal intercommunication way of second pressure-sharing appearance chamber towards the entrance side has also seted up horizontal intercommunication way, the horizontal intercommunication way of cushion chamber towards the entrance side has also seted up horizontal intercommunication way, the horizontal intercommunication way and the second pressure-sharing appearance chamber intercommunication in cushion chamber, the cushion chamber is with the extrusion portion intercommunication in horizontal direction and reciprocal extrusion chamber towards the output side, the extrusion portion in reciprocal extrusion chamber is the oval column, the bush passes through bolted connection with last mould and lower mould.
Description
Technical Field
The utility model relates to a welding extrusion equipment especially relates to a reciprocal extrusion die.
Background
One kind is comparatively common mode in the welding during the extrusion formula welding, generally all extrude behind the hot melt material formation such as plastics gelatineous, extrude and weld in suitable position, this technique is now comparatively common and wide application, but general welding process all is operated by the manual work, it is little to operate the degree of difficulty on the widget, high durability and convenient use, it is even just can extrude comparatively evenly to need the atress when nevertheless extruding die extrudes, but the input and the output of extruding die do not correspond many times, for example what this application will solve is that the input extrudes inhomogeneous problem when being oval for circular output.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a utility model aims at providing a reciprocal extrusion mould in order to overcome prior art input and extrude inhomogeneous problem for circular output when the waist is circular.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a reciprocating extrusion die is characterized by comprising an upper die, a lower die and a die, wherein the upper die is connected with the lower die through a bolt, a reciprocating extrusion cavity is formed between the upper die and the lower die and comprises an input part, an extrusion part, a first pressure-equalizing cavity, a second pressure-equalizing cavity, a buffer cavity and an extrusion part which are sequentially communicated from an inlet side to an outlet side, the input part of the reciprocating extrusion cavity is cylindrical, the cross section of the extrusion part expands from the inlet side to the outlet side to form a trapezoid shape, the axial longitudinal section of the extrusion part contracts from the inlet side to the outlet side to form a horizontal funnel shape, the first pressure-equalizing cavity is provided with a horizontal communicating channel towards the inlet side, the horizontal communicating channel of the first pressure-equalizing cavity is communicated with the extrusion part, the second pressure-equalizing cavity is also provided with a horizontal communicating channel towards the inlet side, and the horizontal communicating channel of the second pressure-, the horizontal communicating channel is also formed in the buffer cavity towards the inlet side and is communicated with the second pressure-equalizing cavity, the buffer cavity is communicated with the extrusion part of the reciprocating extrusion cavity in the horizontal direction towards the output side, the extrusion part of the reciprocating extrusion cavity is in a cylindrical shape, the neck mold is connected with the upper mold and the lower mold through bolts, a horizontal waist-shaped extrusion hole is formed in the side surface of the neck mold and is communicated with the extrusion part of the reciprocating extrusion cavity. The utility model discloses set up two voltage-sharing and held chamber and a cushion chamber, and input deformation is before two voltage-sharing hold chambers, sets up like this, can be so that need certain pressure to extrude when extruding, the in-process of extruding then holds by the voltage-sharing chamber under if pressure is crossed, extrudes inefficacy, if the pressure of extruding is too big then carry out the partial pressure by voltage-sharing chamber and cushion chamber and make the material of extruding can be more for even, it is better to extrude the quality.
Preferably, the axial longitudinal section of the first pressure equalizing cavity is in an inverted trapezoid shape, and the height of the horizontal connecting channel of the first pressure equalizing cavity is smaller than 1/2 which is the height of the inverted triangle.
Preferably, the axial longitudinal section of the second pressure equalizing cavity is in a shape of a right trapezoid, the height of a horizontal connecting channel of the second pressure equalizing cavity is smaller than 1/2 of the right triangle, and the opening of the horizontal connecting channel of the second pressure equalizing cavity towards the lower side of the inlet side is communicated with the first pressure equalizing cavity. The inverted trapezoid and the upright trapezoid are matched with each other, so that a better symmetrical pressure equalizing effect can be formed, the overhigh extrusion pressure can be correspondingly weakened and balanced, the undersize extrusion pressure can be ignored, and the overall extrusion quality can be improved.
The axial longitudinal section of the buffer cavity is hexagonal, and a horizontal communication channel of the buffer cavity is communicated with the second pressure-equalizing cavity towards an upper opening on the inlet side. The setting of cushion chamber, so that the utility model discloses in extrude comparatively balanced. The intercommunication mode of the setting of horizontal intercommunication way is comparatively reasonable, and the cooperation pressure-equalizing holds the shape in appearance chamber and in order to go up the form that goes up down or by the form conversion that goes up down to the form of horizontal intercommunication, can be comparatively reasonable when the crowded pressure of conversion.
Preferably, the first pressure-equalizing cavity is arranged in the lower die, the second pressure-equalizing cavity is arranged in the upper die, the top edge of the buffer cavity is flush with the upper edge of the second pressure-equalizing cavity, and the bottom edge of the buffer cavity is flush with the bottom edge of the second pressure-equalizing cavity.
Preferably, the extrusion parts of the reciprocating extrusion cavities are evenly distributed in the upper die and the lower die.
Preferably, the height of the oval extrusion hole is smaller than the height of the extrusion part of the reciprocating extrusion cavity.
The utility model discloses following beneficial effect has: the utility model discloses set up two voltage-sharing and held chamber and a cushion chamber, and input deformation is before two voltage-sharing hold chambers, sets up like this, can be so that need certain pressure to extrude when extruding, the in-process of extruding then holds by the voltage-sharing chamber under if pressure is crossed, extrudes inefficacy, if the pressure of extruding is too big then carry out the partial pressure by voltage-sharing chamber and cushion chamber and make the material of extruding can be more for even, it is better to extrude the quality.
Drawings
FIG. 1 is a schematic view of an overall contrast structure of the present invention;
fig. 2 is a schematic view of an inlet side of the present invention;
fig. 3 is a schematic structural diagram of an outlet side of the present invention.
In the figure: 1. the extrusion die comprises an upper die, a lower die, a mouth die, a first pressure equalizing cavity, a second pressure equalizing cavity, a buffer cavity and an extrusion part, wherein the upper die is 2, the lower die is 3, the mouth die is 4, the input part is 5, the extrusion part is 6, the first pressure equalizing cavity is 7, the second pressure equalizing cavity.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.
Example 1:
a reciprocating extrusion die (refer to the attached figures 1 to 3) comprises an upper die 1, a lower die 2 and a die 3, wherein the upper die is connected with the lower die through bolts, a reciprocating extrusion cavity is arranged between the upper die and the lower die and comprises an input part 4, an extrusion part 5, a first pressure-equalizing chamber 6, a second pressure-equalizing chamber 7, a buffer chamber 8 and an extrusion part 9 which are sequentially communicated from the inlet side to the outlet side, the input part of the reciprocating extrusion cavity is cylindrical, the cross section of the extrusion part expands from the inlet side to the outlet side to form a trapezoid shape, the axial longitudinal section of the extrusion part shrinks from the inlet side to the outlet side to form a horizontal funnel shape, the first pressure-equalizing chamber is provided with a horizontal communicating channel towards the inlet side, the horizontal communicating channel of the first pressure-equalizing chamber is communicated with the extrusion part, the second pressure-equalizing chamber is also provided with a horizontal communicating channel towards the inlet side, the horizontal communicating channel of the, the horizontal communicating channel is also formed in the buffer cavity towards the inlet side and is communicated with the second pressure-equalizing cavity, the buffer cavity is communicated with the extrusion part of the reciprocating extrusion cavity in the horizontal direction towards the output side, the extrusion part of the reciprocating extrusion cavity is in a cylindrical shape, the neck mold is connected with the upper mold and the lower mold through bolts, a horizontal waist-shaped extrusion hole is formed in the side surface of the neck mold and is communicated with the extrusion part of the reciprocating extrusion cavity. The axial longitudinal section of the first pressure-equalizing cavity is in an inverted trapezoid shape, and the height of a horizontal communication channel of the first pressure-equalizing cavity is smaller than 1/2 of the height of an inverted triangle. The axial longitudinal section of the second pressure-equalizing cavity is in a right trapezoid shape, the height of a horizontal communicating channel of the second pressure-equalizing cavity is smaller than 1/2 of the right triangle, and an opening of the horizontal communicating channel of the second pressure-equalizing cavity towards the lower side of the inlet side is communicated with the first pressure-equalizing cavity. The axial longitudinal section of the buffer cavity is hexagonal, and a horizontal communication channel of the buffer cavity is communicated with the second pressure-equalizing cavity towards an upper opening on the inlet side. The first pressure-equalizing cavity is arranged in the lower die, the second pressure-equalizing cavity is arranged in the upper die, the top edge of the buffer cavity is flush with the upper edge of the second pressure-equalizing cavity, and the bottom edge of the buffer cavity is flush with the bottom edge of the second pressure-equalizing cavity. And the extrusion parts of the reciprocating extrusion cavities are evenly distributed in the upper die and the lower die. The height of the waist-circle extrusion hole is smaller than that of the extrusion part of the reciprocating extrusion cavity.
This embodiment has set up two pressure-equalizing and has held chamber and a cushion chamber, and input deformation is before two pressure-equalizing hold chambers, sets up like this, can be so that need certain pressure to extrude when extruding, and the in-process of extruding is then held by the pressure-equalizing chamber if pressure is crossed down, extrudes inefficacy, if the pressure of extruding is too big then carry out the partial pressure by pressure-equalizing chamber and cushion chamber and make the material of extruding can be more for even, extrude the quality better. The buffer cavity is arranged, so that the extrusion is relatively balanced in the embodiment. The intercommunication mode of the setting of horizontal intercommunication way is comparatively reasonable, and the cooperation pressure-equalizing holds the shape in appearance chamber and in order to go up the form that goes up down or by the form conversion that goes up down to the form of horizontal intercommunication, can be comparatively reasonable when the crowded pressure of conversion. The inverted trapezoid and the upright trapezoid are matched with each other, so that a better symmetrical pressure equalizing effect can be formed, the overhigh extrusion pressure can be correspondingly weakened and balanced, the undersize extrusion pressure can be ignored, and the overall extrusion quality can be improved.
It should be understood that the present embodiment is only for illustrating the present invention and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (7)
1. A reciprocating extrusion die is characterized by comprising an upper die, a lower die and a die, wherein the upper die is connected with the lower die through a bolt, a reciprocating extrusion cavity is formed between the upper die and the lower die and comprises an input part, an extrusion part, a first pressure-equalizing cavity, a second pressure-equalizing cavity, a buffer cavity and an extrusion part which are sequentially communicated from an inlet side to an outlet side, the input part of the reciprocating extrusion cavity is cylindrical, the cross section of the extrusion part expands from the inlet side to the outlet side to form a trapezoid shape, the axial longitudinal section of the extrusion part contracts from the inlet side to the outlet side to form a horizontal funnel shape, the first pressure-equalizing cavity is provided with a horizontal communicating channel towards the inlet side, the horizontal communicating channel of the first pressure-equalizing cavity is communicated with the extrusion part, the second pressure-equalizing cavity is also provided with a horizontal communicating channel towards the inlet side, and the horizontal communicating channel of the second pressure-, the horizontal communicating channel is also formed in the buffer cavity towards the inlet side and is communicated with the second pressure-equalizing cavity, the buffer cavity is communicated with the extrusion part of the reciprocating extrusion cavity in the horizontal direction towards the output side, the extrusion part of the reciprocating extrusion cavity is in a cylindrical shape, the neck mold is connected with the upper mold and the lower mold through bolts, a horizontal waist-shaped extrusion hole is formed in the side surface of the neck mold and is communicated with the extrusion part of the reciprocating extrusion cavity.
2. A reciprocating extrusion die as set forth in claim 1, wherein: the axial longitudinal section of the first pressure-equalizing cavity is in an inverted trapezoid shape, and the height of a horizontal communication channel of the first pressure-equalizing cavity is smaller than 1/2 of the height of an inverted triangle.
3. A reciprocating extrusion die as set forth in claim 2, wherein: the axial longitudinal section of the second pressure-equalizing cavity is in a right trapezoid shape, the height of a horizontal communicating channel of the second pressure-equalizing cavity is smaller than 1/2 of the right triangle, and an opening of the horizontal communicating channel of the second pressure-equalizing cavity towards the lower side of the inlet side is communicated with the first pressure-equalizing cavity.
4. A reciprocating extrusion die as set forth in claim 3, wherein: the axial longitudinal section of the buffer cavity is hexagonal, and a horizontal communication channel of the buffer cavity is communicated with the second pressure-equalizing cavity towards an upper opening on the inlet side.
5. A reciprocating extrusion die as set forth in claim 4, wherein: the first pressure-equalizing cavity is arranged in the lower die, the second pressure-equalizing cavity is arranged in the upper die, the top edge of the buffer cavity is flush with the upper edge of the second pressure-equalizing cavity, and the bottom edge of the buffer cavity is flush with the bottom edge of the second pressure-equalizing cavity.
6. A reciprocating extrusion die as set forth in claim 5, wherein: and the extrusion parts of the reciprocating extrusion cavities are evenly distributed in the upper die and the lower die.
7. A reciprocating extrusion die as set forth in claim 6, wherein: the height of the waist-circle extrusion hole is smaller than that of the extrusion part of the reciprocating extrusion cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669163.3U CN210880795U (en) | 2019-10-08 | 2019-10-08 | Reciprocating extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669163.3U CN210880795U (en) | 2019-10-08 | 2019-10-08 | Reciprocating extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210880795U true CN210880795U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921669163.3U Active CN210880795U (en) | 2019-10-08 | 2019-10-08 | Reciprocating extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210880795U (en) |
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2019
- 2019-10-08 CN CN201921669163.3U patent/CN210880795U/en active Active
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