CN211638054U - Copper pipe stretching front end part reducing treatment device - Google Patents
Copper pipe stretching front end part reducing treatment device Download PDFInfo
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- CN211638054U CN211638054U CN201922231030.4U CN201922231030U CN211638054U CN 211638054 U CN211638054 U CN 211638054U CN 201922231030 U CN201922231030 U CN 201922231030U CN 211638054 U CN211638054 U CN 211638054U
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- copper pipe
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Abstract
The utility model relates to the technical field of copper pipe processing, and discloses a copper pipe stretching front end part reducing treatment device, which comprises a base, wherein a rectangular hole with a right side opening is formed at the left end of the base, a reducing mold core matched with the rectangular hole is sleeved in the rectangular hole, a mold hole with a right side opening is formed on the reducing mold core, and a push-pull mechanism for driving the reducing mold core to move left and right is arranged at the left end of the base; a cavity is formed at the right end of the base, a semicircular groove which is coaxial with the die hole is formed in the bottom surface of the cavity, and the inner wall of the semicircular groove is matched with the outer wall of the copper pipe to be subjected to diameter reduction treatment; a plurality of pressing blocks linearly arranged in the left-right direction are arranged above the semicircular groove. It can carry out the undergauge thickening to the tip of copper pipe through the extrusion effect of undergauge mold core, makes things convenient for stretching device to press from both sides tight copper pipe, can effectively improve the treatment effeciency to the copper pipe tip.
Description
The technical field is as follows:
the utility model relates to a copper pipe processing technology field, concretely relates to tensile preceding tip undergauge processing apparatus of copper pipe.
Background art:
when the copper pipe is stretched, the copper pipe usually needs to pass through a mold with a corresponding shape to support and position the copper pipe, and then the copper pipe is clamped by a stretching device to be stretched. In order to enable the end part of the copper pipe to penetrate through the die, the end part of the copper pipe generally needs to be manually processed, and the end part of the copper pipe is extruded to enable the copper pipe to penetrate through the die.
The utility model has the following contents:
the utility model aims at overcoming prior art's not enough, providing a tip undergauge processing apparatus before copper pipe is tensile, it can carry out undergauge thickening processing to the tip of copper pipe through the squeezing action of undergauge mold core, makes things convenient for stretching device to press from both sides tight copper pipe, can effectively improve the treatment effeciency to the copper pipe tip.
The utility model provides a technical problem's scheme is:
a diameter reducing treatment device for the front end part of a copper pipe before stretching comprises a base, wherein a rectangular hole with an opening on the right side is formed at the left end of the base, a diameter reducing mold core matched with the rectangular hole is sleeved in the rectangular hole, a mold hole with an opening on the right side is formed in the diameter reducing mold core, and a push-pull mechanism for driving the diameter reducing mold core to move left and right is arranged at the left end of the base; a cavity is formed at the right end of the base, a semicircular groove which is coaxial with the die hole is formed in the bottom surface of the cavity, and the inner wall of the semicircular groove is matched with the outer wall of the copper pipe to be subjected to diameter reduction treatment; a plurality of pressing blocks linearly arranged in the left-right direction are arranged above the semicircular groove.
The die hole comprises a round hole and a taper hole, wherein the round hole is integrally formed, the taper hole is arranged in a small left end and a large right end, and the round hole is located at the left end of the taper hole.
And a plurality of grooves which are uniformly distributed on the circumference are formed on the inner wall of the die hole.
The reducing mold core is provided with a threaded hole with an opening at the left side;
the push-pull mechanism comprises a push-pull shaft sleeved in a threaded hole, a convex ring is formed in the middle of the push-pull shaft, a plurality of stacked disc springs are clamped between the convex ring and the bottom surface of the threaded hole, the disc springs are sleeved at the right end of the push-pull shaft, the left end of the push-pull shaft penetrates through the extending end of a stop block and is fixedly connected with a piston rod of an oil cylinder, the oil cylinder is fixed at the left end of the base, and the stop block is screwed in the threaded hole and located on the left side of the convex ring.
A limiting groove with an opening at the right side is formed on the upper side wall of the reducing mold core; the right-hand member shaping of the last lateral wall in rectangular hole has the stopper of downward arch, and the stopper plug bush is at the spacing inslot.
The left-most press block is fixed on a piston rod of a first double-rod cylinder which is vertically arranged, and other press blocks on the right side are respectively fixed on a piston rod of a corresponding second double-rod cylinder which is obliquely arranged in a left-low mode and a right-high mode;
the first double-rod cylinder and the second double-rod cylinders are fixed on the upper side wall of the cavity.
And a second semicircular groove matched with the outer wall of the copper pipe is formed on the lower side wall of the pressing block.
And a plurality of second grooves arranged left and right are formed on the inner wall of the semicircular groove.
The utility model discloses an outstanding effect is:
compared with the prior art, the end part of the copper pipe can be subjected to reducing thickening treatment under the extrusion action of the reducing mold core, so that the copper pipe is conveniently clamped by the stretching device, and the treatment efficiency of the end part of the copper pipe can be effectively improved.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 with respect to B;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
fig. 5 is a schematic view of the reducing mandrel of fig. 5.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 5, a diameter reducing device for a stretched front end of a copper pipe comprises a base 1, wherein a rectangular hole 11 with an opening on the right side is formed at the left end of the base 1, a diameter reducing mold core 2 matched with the rectangular hole 11 is sleeved in the rectangular hole 11, a mold hole 21 with an opening on the right side is formed in the diameter reducing mold core 2, and a push-pull mechanism 3 for driving the diameter reducing mold core 2 to move left and right is arranged at the left end of the base 1; a cavity 12 is formed at the right end of the base 1, a semicircular groove 13 which is coaxial with the die hole 21 is formed on the bottom surface of the cavity 12, and the inner wall of the semicircular groove 13 is matched with the outer wall of the copper pipe 9 to be subjected to diameter reduction treatment; a plurality of pressing blocks 41 linearly arranged in the left-right direction are arranged above the semicircular groove 13.
Furthermore, the mold hole 21 includes a circular hole 211 and a tapered hole 212, the circular hole 211 is formed integrally with the tapered hole 212, and the tapered hole 212 is disposed at the left end of the circular hole 211.
More specifically, a plurality of grooves 213 are formed on the inner wall of the mold hole 21.
Furthermore, the reducing mold core 2 is formed with a threaded hole 22 with an opening at the left side;
the push-pull mechanism 3 comprises a push-pull shaft 31 sleeved in the threaded hole 22, a convex ring 32 is formed in the middle of the push-pull shaft 31, a plurality of stacked disc-shaped springs 33 are clamped between the convex ring 32 and the bottom surface of the threaded hole 22, the disc-shaped springs 33 are sleeved at the right end of the push-pull shaft 31, the left end of the push-pull shaft 31 penetrates through the extending end of a stop block 34 and is fixedly connected with a piston rod of an oil cylinder 35, the oil cylinder 35 is fixed at the left end of the base 1, and the stop block 34 is in threaded connection with the threaded hole 22 and is located on the left side of.
Furthermore, a limiting groove 23 with an opening at the right side is formed on the upper side wall of the reducing mold core 2; a limiting block 14 protruding downwards is formed at the right end of the upper side wall of the rectangular hole 11, and the limiting block 14 is inserted in the limiting groove 23.
Furthermore, the leftmost pressing block 41 is fixed on the piston rod of the first double-rod cylinder 42 which is vertically arranged, and the other pressing blocks 41 on the right side are respectively fixed on the piston rods of the corresponding second double-rod cylinders 43 which are obliquely arranged in a left-low-right-high manner;
the first dual rod cylinder 42 and the plurality of second dual rod cylinders 43 are fixed to the upper side wall of the cavity 12.
Furthermore, a second semicircular groove 44 matched with the outer wall of the copper tube 9 is formed on the lower side wall of the pressing block 41.
Furthermore, a plurality of second grooves 15 are formed on the inner wall of the semicircular groove 13.
The working principle is as follows: firstly, the end part of the copper pipe 9 needing diameter reduction treatment is placed on the semicircular groove 13, the piston rod of the first double-rod cylinder 42 extends to drive the pressing block 41 at the leftmost side to move downwards, so that the end part of the copper pipe 9 is pressed tightly, then the piston rods of the second double-rod cylinders 43 extend to drive the pressing block 41 to press against the copper pipe 9, so that the copper pipe is further fixed, and meanwhile, as the second double-rod cylinders 43 are obliquely arranged, the pressing block 41 fixed on the second double-rod cylinders 43 can provide a leftward component force, so that the copper pipe 9 is effectively prevented from moving rightwards;
secondly, the oil cylinder 35 pushes the push-pull shaft 31 to move rightwards, the push-pull shaft 31 drives the reducing mold core 2 to move rightwards through the disc-shaped spring 33, the mold hole 21 of the reducing mold core 2 is inserted into the end part of the copper pipe 9, the end part of the copper pipe 9 is reduced through the guiding action of the taper hole 212 and the extruding action of the reducing mold core, the end part of the copper pipe 9 is filled in the round hole 211, and the end part of the copper pipe 9 is subjected to reducing and thickening treatment; meanwhile, the groove 213 can drive the outer wall of the end part of the copper pipe 9 to form a convex mark, so that the subsequent stretching device can be conveniently clamped.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (8)
1. The utility model provides a tensile front end portion undergauge processing apparatus of copper pipe, includes base (1), its characterized in that: a rectangular hole (11) with an opening at the right side is formed at the left end of the base (1), a reducing mold core (2) matched with the rectangular hole (11) is sleeved in the rectangular hole (11), a mold hole (21) with an opening at the right side is formed in the reducing mold core (2), and a push-pull mechanism (3) for driving the reducing mold core (2) to move left and right is arranged at the left end of the base (1); a cavity (12) is formed at the right end of the base (1), a semicircular groove (13) which is coaxial with the die hole (21) is formed on the bottom surface of the cavity (12), and the inner wall of the semicircular groove (13) is matched with the outer wall of the copper pipe (9) needing diameter reduction treatment; a plurality of pressing blocks (41) linearly arranged in the left-right direction are arranged above the semicircular groove (13).
2. A reducing device for a copper pipe drawing front end portion according to claim 1, wherein: the die hole (21) comprises a round hole (211) and a taper hole (212), wherein the round hole (211) is integrally formed, the taper hole (212) is arranged in a small left mode, and the round hole (211) is located at the left end of the taper hole (212).
3. A reducing device for a copper pipe drawing front end portion according to claim 2, wherein: and a plurality of grooves (213) which are uniformly distributed on the circumference are formed on the inner wall of the die hole (21).
4. A reducing device for a copper pipe drawing front end portion according to claim 1, wherein: the reducing mold core (2) is formed with a threaded hole (22) with an opening at the left side;
the push-pull mechanism (3) comprises a push-pull shaft (31) sleeved in a threaded hole (22), a convex ring (32) is formed in the middle of the push-pull shaft (31), a plurality of stacked disc springs (33) are clamped between the convex ring (32) and the bottom surface of the threaded hole (22), the disc springs (33) are sleeved at the right end of the push-pull shaft (31), the left end of the push-pull shaft (31) penetrates through the extending end of a stop block (34) to be fixedly connected with a piston rod of an oil cylinder (35), the oil cylinder (35) is fixed at the left end of the base (1), and the stop block (34) is in threaded connection with the threaded hole (22) and located on the left side of the convex ring (32).
5. A reducing device for a copper pipe drawing front end portion according to claim 1 or 4, wherein: a limiting groove (23) with an opening at the right side is formed on the upper side wall of the reducing mold core (2); the right-hand member shaping of the last lateral wall in rectangular hole (11) has stopper (14) of downward bellied, and stopper (14) plug bush is in spacing groove (23).
6. A reducing device for a copper pipe drawing front end portion according to claim 1, wherein: the left-most pressing block (41) is fixed on a piston rod of a first double-rod cylinder (42) which is vertically arranged, and the other pressing blocks (41) on the right side are respectively fixed on piston rods of a corresponding second double-rod cylinder (43) which is obliquely arranged in a left-low-right-high manner;
the first double-rod cylinder (42) and the second double-rod cylinders (43) are fixed on the upper side wall of the cavity (12).
7. A reducing device for a copper pipe drawing front end portion according to claim 6, wherein: and a second semicircular groove (44) matched with the outer wall of the copper pipe (9) is formed on the lower side wall of the pressing block (41).
8. A reducing device for a copper pipe drawing front end portion according to claim 1, wherein: and a plurality of second grooves (15) arranged left and right are formed on the inner wall of the semicircular groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231030.4U CN211638054U (en) | 2019-12-13 | 2019-12-13 | Copper pipe stretching front end part reducing treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231030.4U CN211638054U (en) | 2019-12-13 | 2019-12-13 | Copper pipe stretching front end part reducing treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211638054U true CN211638054U (en) | 2020-10-09 |
Family
ID=72695881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922231030.4U Expired - Fee Related CN211638054U (en) | 2019-12-13 | 2019-12-13 | Copper pipe stretching front end part reducing treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211638054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059014A (en) * | 2021-03-01 | 2021-07-02 | 南京万鹏金属制品有限公司 | Extrusion forming device and extrusion forming method for rectangular pipe |
-
2019
- 2019-12-13 CN CN201922231030.4U patent/CN211638054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059014A (en) * | 2021-03-01 | 2021-07-02 | 南京万鹏金属制品有限公司 | Extrusion forming device and extrusion forming method for rectangular pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20211213 |