CN211637772U - Copper pipe drawing die with small reducing amount - Google Patents
Copper pipe drawing die with small reducing amount Download PDFInfo
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- CN211637772U CN211637772U CN201922231071.3U CN201922231071U CN211637772U CN 211637772 U CN211637772 U CN 211637772U CN 201922231071 U CN201922231071 U CN 201922231071U CN 211637772 U CN211637772 U CN 211637772U
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- rectangular
- die
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Abstract
The utility model relates to the technical field of copper pipe processing, and discloses a copper pipe stretching die with small reducing amount, which comprises a base, a fixed die frame, a movable die frame and a die core, wherein the base and the fixed die frame are integrally formed and vertically arranged; a sliding rail which is perpendicular to the fixed mold frame is fixed on the base, and the movable mold frame is connected to the sliding rail in a sliding manner; the fixed mold frame and the movable mold frame are fixedly connected through a plurality of positioning pull rods, and the mold core is clamped between the fixed mold frame and the movable mold frame. The mold core is fixed between the fixed mold frame and the movable mold frame, and the movable mold frame can be horizontally moved on the slide rail when the mold core is replaced, so that time and labor are saved, and the replacement is convenient.
Description
The technical field is as follows:
the utility model relates to a copper pipe processing technology field, concretely relates to tensile mould of copper pipe of little undergauge volume.
Background art:
copper's texture is soft, convenient processing, and toughness is good, so the range of application is wide, among the prior art, the tensile mould of copper pipe comprises the framed of two upper and lower settings and the mold core of centre gripping in two framed usually, through changing the copper pipe of the different external diameters of mold core stretching, when needing to be changed the mold core, need demolish the framed of upside from the framed of downside, because framed quality is great, need upwards take out the framed of upside during the change, heavy and its portion is convenient.
The utility model has the following contents:
the utility model aims at overcoming prior art's not enough, providing a tensile mould of copper pipe of little undergauge volume, it is through fixing the mold core between cover half frame and mobilizable movable mould frame, and movable mould frame can be on the slide rail translation when changing the mold core, labour saving and time saving, the convenient change.
The utility model provides a technical problem's scheme is:
a copper pipe stretching die with small reducing quantity comprises a base, a fixed die frame, a movable die frame and a die core, wherein the base and the fixed die frame are integrally formed and vertically arranged; a sliding rail which is perpendicular to the fixed mold frame is fixed on the base, and the movable mold frame is connected to the sliding rail in a sliding manner; the fixed mold frame and the movable mold frame are fixedly connected through a plurality of positioning pull rods, and the mold core is clamped between the fixed mold frame and the movable mold frame.
A first rectangular groove and a first semicircular groove penetrating through the first rectangular groove in the front-back direction are formed on the inner side surface, close to the movable mold frame, of the fixed mold frame;
a second rectangular groove and a second semicircular groove penetrating through the second rectangular groove in the front-back direction are formed on the inner side surface, close to the fixed mold frame, of the movable mold frame;
the first rectangular groove and the second rectangular groove are symmetrically arranged, and the first semicircular groove and the second semicircular groove are symmetrically arranged; the mold core is clamped between the first rectangular groove and the second rectangular groove.
The four corners of the movable mold frame are respectively provided with a step through hole, the fixed mold frame is provided with four positioning holes which are coaxially arranged with the four step through holes and two rectangular holes with openings at the upper sides, and each rectangular hole penetrates through the two positioning holes at the same side;
the positioning pull rod is inserted and sleeved in the step through hole and the positioning hole, a boss is formed at one end of the positioning pull rod, the boss is inserted and sleeved in the large end hole of the step through hole, and a pair of symmetrically arranged right-angled trapezoidal grooves is formed at the other end of the positioning pull rod; a right-angled trapezoidal block is sleeved in the pair of right-angled trapezoidal grooves of each positioning pull rod, and the right-angled trapezoidal blocks are inserted in the rectangular holes; the right-angle trapezoidal block of every upside is fixed in the one end of a first screw rod that corresponds, and the right-angle trapezoidal block of every downside is fixed in the one end of a second screw rod that corresponds, and the other end of first screw rod and the other end of second screw rod are the spiro union respectively at the both ends of sleeve nut, the screw thread direction of turning of first screw rod and second screw rod sets up in opposite directions.
And a rectangular block is formed on the bottom surface of the right-angle trapezoidal block and matched with the rectangular hole.
The middle part shaping of right angle trapezoidal piece has the groove of stepping down that is "U" style of calligraphy.
The external profile of the sleeve nut is octagonal prism.
And a handle is arranged on the outer side of the movable mould frame.
The utility model discloses an outstanding effect is:
compared with the prior art, the mold core is fixed between the fixed mold frame and the movable mold frame, the movable mold frame can be horizontally moved on the slide rail when the mold core is replaced, time and labor are saved, and replacement is convenient.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic structural view of the positioning rod of the present invention;
fig. 6 is a partially enlarged view of fig. 5 about C.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 6, a copper pipe drawing die with small diameter reduction comprises a base 1, a fixed die frame 2, a movable die frame 3 and a die core 4, wherein the base 1 and the fixed die frame 2 are integrally formed and vertically arranged; a slide rail 5 which is vertical to the fixed mold frame 2 is fixed on the base 1, and the movable mold frame 3 is connected to the slide rail 5 in a sliding manner; fixed mould frame 2 and movable mould frame 3 between through many positioning pull rod 6 fixed connection, mold core 4 centre gripping is between fixed mould frame 2 and movable mould frame 3.
Furthermore, a first rectangular groove 21 and a first semicircular groove 22 penetrating the first rectangular groove 21 in the front-back direction are formed on the inner side surface of the fixed mold frame 2 close to the movable mold frame 3;
a second rectangular groove 31 and a second semicircular groove 32 penetrating through the second rectangular groove 31 in the front-back direction are formed on the inner side surface of the movable mold frame 3 close to the fixed mold frame 2;
the first rectangular groove 21 and the second rectangular groove 31 are symmetrically arranged, and the first semicircular groove 22 and the second semicircular groove 32 are symmetrically arranged; the mold core 4 is clamped between the first rectangular groove 21 and the second rectangular groove 31.
Furthermore, four corners of the movable mold frame 3 are respectively formed with a step through hole 33, the fixed mold frame 2 is formed with four positioning holes 23 coaxially arranged with the four step through holes 33 and two rectangular holes 24 with openings at the upper side, and each rectangular hole 24 penetrates through the two positioning holes 23 at the same side;
the positioning pull rod 6 is inserted and sleeved in the step through hole 33 and the positioning hole 23, a boss 61 is formed at one end of the positioning pull rod 6, the boss 61 is inserted and sleeved in the large end hole of the step through hole 33, and a pair of symmetrically arranged right-angled trapezoidal grooves 62 are formed at the other end of the positioning pull rod 6; a right-angle trapezoidal block 7 is sleeved in the pair of right-angle trapezoidal grooves 62 of each positioning pull rod 6, and the right-angle trapezoidal block 7 is inserted in the rectangular hole 24; each right-angle trapezoidal block 7 on the upper side is fixed at one end of a corresponding first screw 81, each right-angle trapezoidal block 7 on the lower side is fixed at one end of a corresponding second screw 82, the other end of the first screw 81 and the other end of the second screw 82 are respectively screwed at two ends of a sleeve nut 83, and the screw threads of the first screw 81 and the second screw 82 are arranged in opposite directions.
Furthermore, a rectangular block 71 is formed on the bottom surface of the right trapezoid block 7, and the rectangular block 71 is matched with the rectangular hole 24.
Furthermore, a U-shaped abdicating groove 72 is formed in the middle of the right-angled trapezoidal block 7.
Still further, the external profile of the sleeve nut 83 is octagonal prism.
Furthermore, a handle 34 is provided on the outer side of the movable mold frame 3.
The working principle is as follows: when the mold core 4 needs to be replaced, the sleeve nut 83 is rotated, the sleeve nut 83 drives the first screw 81 and the second screw 82 to approach each other, the first screw 81 and the second screw 82 respectively drive the corresponding right-angled trapezoidal blocks 7 to be separated from the corresponding right-angled trapezoidal grooves 62 of the positioning pull rods 6, then the movable mold frame 3 is pulled through the pull handle 34, the movable mold frame 3 moves along the slide rail 5 and is far away from the fixed mold frame 2, and therefore the mold core 4 is taken out and replaced;
after the mold core 4 is replaced, the movable mold frame 3 approaches the fixed mold frame 2 to clamp the mold core between the first rectangular groove 21 and the second rectangular groove 31, then the positioning pull rod 6 is inserted into the step through hole 33 and the positioning hole 23 to position the fixed mold frame 2 and the movable mold frame 3, then the sleeve nut 83 is reversed, the sleeve nut 83 drives the first screw 81 and the second screw 82 to be away from each other, the first screw 81 and the second screw 82 respectively drive the corresponding right-angled trapezoidal blocks 7 to be inserted into the right-angled trapezoidal grooves 62 of the corresponding positioning pull rods 6, so that the positioning pull rods 6 are tensioned, and the movable mold frame 3 is fixed on the fixed mold frame 2.
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 (7)
1. The utility model provides a tensile mould of copper pipe of little undergauge volume, includes base (1), cover half frame (2), movable mould frame (3), mold core (4), its characterized in that: the base (1) and the fixed die frame (2) are integrally formed and vertically arranged; a sliding rail (5) which is vertical to the fixed mold frame (2) is fixed on the base (1), and the movable mold frame (3) is connected to the sliding rail (5) in a sliding manner; the fixed die frame (2) and the movable die frame (3) are fixedly connected through a plurality of positioning pull rods (6), and the die core (4) is clamped between the fixed die frame (2) and the movable die frame (3).
2. A small diameter reduction copper tube drawing die as claimed in claim 1, wherein: a first rectangular groove (21) and a first semicircular groove (22) penetrating through the first rectangular groove (21) in the front-back direction are formed on the inner side surface, close to the movable mold frame (3), of the fixed mold frame (2);
a second rectangular groove (31) and a second semicircular groove (32) penetrating through the second rectangular groove (31) in the front-back direction are formed on the inner side surface, close to the fixed mold frame (2), of the movable mold frame (3);
the first rectangular groove (21) and the second rectangular groove (31) are symmetrically arranged, and the first semicircular groove (22) and the second semicircular groove (32) are symmetrically arranged; the mold core (4) is clamped between the first rectangular groove (21) and the second rectangular groove (31).
3. A small diameter reduction copper tube drawing die as claimed in claim 1, wherein: four corners of the movable mold frame (3) are respectively provided with a step through hole (33), the fixed mold frame (2) is provided with four positioning holes (23) which are coaxially arranged with the four step through holes (33) and two rectangular holes (24) with openings at the upper side, and each rectangular hole (24) penetrates through the two positioning holes (23) at the same side;
the positioning pull rod (6) is inserted and sleeved in the step through hole (33) and the positioning hole (23), a boss (61) is formed at one end of the positioning pull rod (6), the boss (61) is inserted and sleeved in the large end hole of the step through hole (33), and a pair of symmetrically arranged right-angled trapezoidal grooves (62) are formed at the other end of the positioning pull rod (6); a right-angle trapezoidal block (7) is sleeved in a pair of right-angle trapezoidal grooves (62) of each positioning pull rod (6), and the right-angle trapezoidal blocks (7) are inserted in the rectangular holes (24); the right-angle trapezoidal block (7) on each upper side is fixed at one end of a corresponding first screw (81), the right-angle trapezoidal block (7) on each lower side is fixed at one end of a corresponding second screw (82), the other end of the first screw (81) and the other end of the second screw (82) are respectively screwed at two ends of a sleeve nut (83), and the screw threads of the first screw (81) and the second screw (82) are arranged in opposite directions.
4. A small diameter reduction copper tube drawing die as claimed in claim 3, wherein: and a rectangular block (71) is formed on the bottom surface of the right-angle trapezoidal block (7), and the rectangular block (71) is matched with the rectangular hole (24).
5. A small diameter reduction copper tube drawing die as claimed in claim 3, wherein: the middle part of the right-angle trapezoidal block (7) is provided with a U-shaped abdicating groove (72).
6. A small diameter reduction copper tube drawing die as claimed in claim 3, wherein: the external profile of the sleeve nut (83) is octagonal prism.
7. A small diameter reduction copper tube drawing die as claimed in claim 1, wherein: a handle (34) is arranged on the outer side of the movable mould frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231071.3U CN211637772U (en) | 2019-12-13 | 2019-12-13 | Copper pipe drawing die with small reducing amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231071.3U CN211637772U (en) | 2019-12-13 | 2019-12-13 | Copper pipe drawing die with small reducing amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211637772U true CN211637772U (en) | 2020-10-09 |
Family
ID=72695891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922231071.3U Expired - Fee Related CN211637772U (en) | 2019-12-13 | 2019-12-13 | Copper pipe drawing die with small reducing amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211637772U (en) |
-
2019
- 2019-12-13 CN CN201922231071.3U patent/CN211637772U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20201009 Termination date: 20211213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |