CN210280432U - Steel pipe bell and spigot forming machine - Google Patents
Steel pipe bell and spigot forming machine Download PDFInfo
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- CN210280432U CN210280432U CN201920981758.6U CN201920981758U CN210280432U CN 210280432 U CN210280432 U CN 210280432U CN 201920981758 U CN201920981758 U CN 201920981758U CN 210280432 U CN210280432 U CN 210280432U
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Abstract
The utility model provides a can generate steel pipe socket make-up machine of ripple shape. The outer die assembly comprises an outer die support ring, an outer die taper sleeve connected with the outer die support ring through a plurality of guide columns, an outer die positioned on the inner side of the outer die taper sleeve and a first driving mechanism driving the outer die taper sleeve to move along the guide columns; the outer surface of the outer die is a first conical surface, the inner surface of the outer die taper sleeve is a second conical surface, the conicity of the first conical surface is consistent with that of the second conical surface, a slotted hole is formed in the outer die support ring, and a return mechanism capable of enabling the outer die to be tightly attached to the outer die taper sleeve is arranged in the slotted hole; the inner surface of the outer die is provided with grains, the diameter of one end of the outer surface of the outer die, which is close to the outer die supporting ring, is large, and the diameter of one end, which is far away from the outer die supporting ring, is small. The utility model discloses the form that the utilization inflation compressed tightly makes the steel pipe body produce plastic deformation, only needs to change centre form or external mold, just can select different sealed forms according to the different demand of customer and different construction conditions, saves manufacturing cost.
Description
Technical Field
The utility model relates to a steel pipe hole enlargement machinery, concretely relates to steel pipe socket and spigot make-up machine.
Background
The end part of the steel pipe needs to be subjected to expanding treatment to form a structure of a bell mouth or a spigot, the traditional steel pipe expanding machine only has an inner die assembly, can only expand the caliber for one time and is difficult to form a complex corrugated shape, at present, the corrugated bell mouth or spigot can only be formed by adopting a spinning process, and a steel pipe bell mouth forming machine capable of generating the corrugated shape is lacked in the market.
Disclosure of Invention
The utility model discloses a solve the problem among the background art, provide a steel pipe socket make-up machine that can generate ripple shape.
The technical solution of the utility model is that:
steel pipe socket make-up machine, including centre form support ring 14, its characterized in that: the steel pipe bell and spigot forming machine further comprises an outer mold assembly, wherein the outer mold assembly comprises an outer mold support ring 1 fixed on the inner mold support ring 14, an outer mold taper sleeve 2 connected with the outer mold support ring 1 through a plurality of guide posts 4, a plurality of outer molds 5 positioned on the inner side of the outer mold taper sleeve 2, and a first driving mechanism 3 driving the outer mold taper sleeve 2 to move along the guide posts 4; all the outer molds 5 form a circumference in an enclosing mode, the outer surfaces of the outer molds 5 are first conical surfaces, the inner surfaces of the outer mold taper sleeves 2 are second conical surfaces, the conicity of the first conical surfaces is consistent with that of the second conical surfaces, the outer mold support ring 1 is provided with a slotted hole 12, and a return mechanism capable of enabling the outer molds 5 to be tightly attached to the outer mold taper sleeves 2 is arranged in the slotted hole 12; the inner surface of the outer die 5 is provided with grains 10, the diameter of one end of the outer surface of the outer die, which is close to the outer die supporting ring 1, is large, and the diameter of one end, which is far away from the outer die supporting ring 1, is small.
Preferably, the return mechanism comprises a guide rod 6 positioned in a slotted hole 12, and an outer guide sleeve 9, a return spring 8 and an inner guide sleeve 7 which are sleeved on the guide rod 6, wherein two ends of the return spring 8 are respectively connected with the outer guide sleeve 9 and the inner guide sleeve 7, the inner guide sleeve 7 is fixed in the slotted hole 12 of the outer die support ring 1, the outer guide sleeve 9 is fixedly connected with the guide rod 6, and the outer die 5 is fixed on the guide rod 6.
Preferably, the outer mold support ring 1 comprises a first annular body 13, a sunken step 11 is arranged on one surface of the first annular body close to the outer mold taper sleeve 2, a slot 12 is arranged on the step 11, the slot 12 extends outwards into the first annular body 13, and the outer mold 5 moves on the step 11.
Preferably, the external mold taper sleeve 2 comprises a second annular body 21 and a third annular body 22 which are fixedly connected, the central axis of the second annular body 21 is collinear with the central axis of the third annular body 22, and the inner surface of the third annular body 22 is a second conical surface.
Preferably, the guide post 4 is fixed on the first annular body 13, and the second annular body 21 is provided with a guide hole matched with the position of the guide post 4, and the guide post 4 is inserted into the guide hole.
Preferably, the first driving mechanism 3 is a hydraulic driving mechanism, and a fixed end and a movable end of the hydraulic driving mechanism are respectively fixed on the first annular body 13 and the second annular body 21.
Preferably, a plurality of first T-shaped grooves are formed in the inner mold supporting ring 14, the first T-shaped grooves are distributed in a radial manner, the inner mold 15 is connected with the first T-shaped grooves in a sliding manner through first T-shaped keys 33, all the inner molds 15 are arranged into a circle, an expanding cone 18 is arranged at the center of the inner mold 15, a plurality of second T-shaped grooves are formed in the surface of the expanding cone 18, the inner surface of the inner mold slides in a matching manner with the second T-shaped grooves through second T-shaped keys, the second driving mechanism 24 drives the expanding cone 18 to move perpendicular to the inner mold supporting ring 14, the diameter of one end, close to the inner mold supporting ring 14, of the expanding cone 18 is small, and the diameter of one end.
Preferably, a weight reducing mechanism is arranged at the first T-shaped key, the weight reducing mechanism comprises a spring seat 25, a weight reducing spring 19 positioned in the spring seat, and a pre-tightening bolt 20 in threaded connection with the top end of the spring seat 25, one end of the weight reducing spring 19 is in contact with the pre-tightening bolt 20, and the other end of the weight reducing spring is in contact with the first T-shaped key.
Preferably, inner mold wedges 16 are further fixed to the inner surface of the inner mold, and the inner surfaces of the inner mold wedges 16 slide in cooperation with the second T-shaped groove through a second T-shaped key.
Preferably, the inner mold support ring 14 is fixed on a frame, the second driving mechanism 24 is fixed on the frame through a lifting mechanism 32, and the frame is mounted on a base 35 through a sliding rail mechanism.
The utility model has the advantages that: (1) the utility model discloses the form that utilizes the expansion to compress tightly makes the steel pipe body produce plastic deformation, only needs to change centre form or external mold, just can select different sealed forms (for example double containment socket or single sealed bellmouth) according to the different demands of customer and different construction conditions, has saved equipment investment and manufacturing cost greatly.
(2) And a weight reduction mechanism is arranged in the first T-shaped groove, so that the abrasion of the second T-shaped key can be reduced, the maintenance frequency is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of an outer mold assembly of the steel pipe bell and spigot forming machine of the present invention;
FIG. 2 is a cross-sectional view of an outer mold assembly;
FIG. 3 is a schematic view of an outer mold support ring;
FIG. 4 is a perspective view of the inner mold assembly;
fig. 5 is a schematic view of the overall structure of the steel pipe bell and spigot forming machine.
The device comprises an outer die support ring 1, an outer die taper sleeve 2, a first driving mechanism 3, a guide column 4, an outer die 5, a guide rod 6, an outer guide sleeve 7, a return spring 8, an inner guide sleeve 9, lines 10, steps 11, slotted holes 12, a first annular body 13, a second annular body 21, a third annular body 22, reinforcing ribs 23, an inner die support ring 14, an inner die 15, an inner die wedge 16, a first T-shaped groove 17, an expanding cone 18, a weight reducing spring 19, a pretightening bolt 20, a second driving mechanism 24, a spring seat 25, a hydraulic unit 31, a lifting mechanism 32, a first T-shaped key 33, a third driving mechanism 34 and a base 35.
Detailed Description
For convenience of description, the inner and outer definitions are inner with respect to the center of the inner mold support ring and outer with respect to the center away from the inner mold support ring.
As shown in fig. 5, the steel pipe socket forming machine includes a frame, an inner mold assembly, an outer mold assembly, and the like, and the frame is mounted on a base 35 through a slide rail mechanism. The slide rail mechanism can be selected from the existing structures on the market, and can realize the stable motion of the rack on the base, and the rack is driven by the third driving mechanism 34.
As shown in fig. 4, the inner mold assembly comprises an inner mold support ring 14, an expanding cone 18, an inner mold 15 and the like, the inner mold support ring 14 is fixed on the frame, a plurality of first T-shaped grooves 17 are arranged on the inner mold support ring 14, the first T-shaped grooves 17 are distributed in a radial shape, each first T-shaped groove 17 is connected with the inner mold 15 in a sliding mode through a first T-shaped key 33, all the inner molds are arranged into a circle, the expanding cone 18 is arranged at the center of the inner mold 15, a plurality of second T-shaped grooves are arranged on the surface of the expanding cone 18, the inner surface of the inner mold 15 slides in a matching mode through the second T-shaped keys, the second driving mechanism 24 drives the expanding cone 18 to move perpendicular to the inner mold support ring 14, and the self weight of the expanding cone. The diameter of the expanding cone 18 is small at the end close to the inner die supporting ring 14 and is large at the end far from the inner die supporting ring 14.
Preferably, in order to adapt to the inner diameter of a steel pipe with more sizes, the inner surface of the inner die is also fixed with inner die wedges 16, and the inner surfaces of the inner die wedges 16 are matched with the second T-shaped groove to slide through second T-shaped keys. The second driving mechanism 24 is fixed on the lifting mechanism 32 in order to adapt to the steel tube centers with different heights. When the second driving mechanism 24 selects the hydraulic driving mechanism, the cylinder is fixed to the lifting mechanism 32.
Preferably, because the inner mold and the inner mold wedge block slide in the second T-shaped groove by means of the second T-shaped key, the gravity of the lower inner mold, the inner mold wedge block and the second T-shaped key is applied to the second T-shaped groove, in the sliding process of the expanding cone 18, the second T-shaped key and the second T-shaped groove generate friction, the second T-shaped key at the lower part is worn over time, and the second T-shaped key needs to be maintained and replaced when the second T-shaped key is worn to a certain extent. The elastic force of the weight-reducing spring 19 bears the dead weight of the inner mold, the inner mold wedge block and the second T-shaped key, and the compression amount of the spring is adjusted by adjusting the pre-tightening bolt 20, so that the size of the supporting force is adjusted to bear different dead weights of all angles, and the roundness of the inner mold can be adjusted.
Preferably, a displacement sensor is arranged on the inner mold supporting ring 14, and the displacement sensor is used for detecting the movement distance of the first T-shaped key 17, so that the roundness of the inner mold can be accurately adjusted.
As shown in fig. 1-3, the outer membrane assembly includes an outer membrane support ring 1 fixed on the inner membrane support ring 14, an outer membrane taper sleeve 2 connected with the outer membrane support ring 1 through a plurality of guide posts 4, a plurality of outer membranes 5 located inside the outer membrane taper sleeve 2, and a first driving mechanism 3 driving the outer membrane taper sleeve 2 to move along the guide posts 4; all the outer molds 5 form a circumference in an enclosing mode, the outer surfaces of the outer molds 5 are first conical surfaces, the inner surfaces of the outer mold taper sleeves 2 are second conical surfaces, the conicity of the first conical surfaces is consistent with that of the second conical surfaces, the outer mold support ring 1 is provided with a slotted hole 12, and a return mechanism capable of enabling the outer molds 5 to be tightly attached to the outer mold taper sleeves 2 is arranged in the slotted hole 12; the inner surface of the outer die 5 is provided with grains 10 which can be set according to the requirements of customers, and the inner die and the outer die compress the steel pipe together to form a required shape. The diameter of one end of the outer surface of the outer die, which is close to the outer die supporting ring 1, is large, and the diameter of one end, which is far away from the outer die supporting ring 1, is small.
The return mechanism includes, but is not limited to, the following structures: the return mechanism comprises a guide rod 6 positioned in a slotted hole 12, and an outer guide sleeve 9, a return spring 8 and an inner guide sleeve 7 which are sleeved on the guide rod 6, wherein two ends of the return spring 8 are respectively connected with the outer guide sleeve 9 and the inner guide sleeve 7, the inner guide sleeve 7 is fixed in the slotted hole 12 of the outer die support ring 1, the outer guide sleeve 9 is fixedly connected with the guide rod 6, the outer die 5 is fixed on the guide rod 6, and the return spring is in a compressed state and applies acting force outwards, so that the outer die is tightly attached to the outer die taper sleeve 2.
Specifically, the outer die support ring 1 comprises a first annular body 13, a sunken step 11 is arranged on one surface of the first annular body, which is close to the outer die taper sleeve 2, a slot 12 is arranged on the step 11, the slot 12 extends outwards into the first annular body 13, and the outer die 5 moves on the step 11 along the slot 12 under the action of the return spring 8.
Specifically, the external mold taper sleeve 2 comprises a second annular body 21 and a third annular body 22 which are fixedly connected, the central axis of the second annular body 21 is collinear with the central axis of the third annular body 22, and the inner surface of the third annular body 22 is a second conical surface. A bead 23 may also be provided between the second annular body 21 and the third annular body 22.
The guide post 4 is fixed on the first annular body 13, a guide hole matched with the position of the guide post 4 is formed in the second annular body 21, and the guide post 4 is inserted into the guide hole.
The first driving mechanism 3 is a hydraulic driving mechanism, and a fixed end and a movable end of the hydraulic driving mechanism are respectively fixed on the first annular body 13 and the second annular body 21, or the movable end and the fixed end of the hydraulic driving mechanism are respectively fixed on the first annular body 13 and the second annular body 21.
The utility model discloses in, the preferred hydraulic drive of each actuating mechanism, by each hydraulic drive mechanism of hydraulic unit 31 control, the utility model discloses a principle is: the third driving mechanism drives the rack to move to a proper position, the second driving mechanism 24 is started to drive the expanding cone 18 to move towards the inner die supporting ring 14, the inner die can move outwards (namely move towards the inner wall of the steel pipe) along the first T-shaped groove 17 due to the fact that the diameter of one end, close to the inner die supporting ring 14, of the expanding cone 18 is small, and the diameter of one end, far away from the inner die supporting ring 14, of the expanding cone 18 is large, the inner die can drive the outer die taper sleeve to move towards the outer die supporting ring, due to the fact that the diameter of one end, close to the outer die supporting ring 1, of the outer die is large, the diameter of one end, far away from the outer die supporting ring 1, of the outer die taper sleeve 2 can apply a force of moving inwards (namely the outer die taper sleeve presses the outer die 5 inwards), the.
Claims (10)
1. Steel pipe bell and spigot make-up machine, including centre form support ring (14), its characterized in that: the steel pipe bell and spigot forming machine further comprises an outer die assembly, wherein the outer die assembly comprises an outer die support ring (1) fixed on the inner die support ring (14), an outer die taper sleeve (2) connected with the outer die support ring (1) through a plurality of guide columns (4), a plurality of outer dies (5) positioned on the inner side of the outer die taper sleeve (2), and a first driving mechanism (3) for driving the outer die taper sleeve (2) to move along the guide columns (4);
all the outer molds (5) enclose a circumference, the outer surfaces of the outer molds (5) are first conical surfaces, the inner surfaces of the outer mold taper sleeves (2) are second conical surfaces, the conicity of the first conical surfaces is consistent with that of the second conical surfaces, the outer mold support ring (1) is provided with a slotted hole (12), and a return mechanism capable of enabling the outer molds (5) to cling to the outer mold taper sleeves (2) is arranged in the slotted hole (12); the inner surface of the outer die (5) is provided with grains (10); the diameter of one end, close to the outer die support ring (1), of the outer surface of the outer die (5) is large, and the diameter of one end, far away from the outer die support ring (1), of the outer surface of the outer die (5) is small.
2. The steel pipe socket forming machine according to claim 1, wherein: the return mechanism comprises a guide rod (6) positioned in a slotted hole (12), and an outer guide sleeve (9), a return spring (8) and an inner guide sleeve (7) which are sleeved on the guide rod (6), wherein two ends of the return spring (8) are respectively connected with the outer guide sleeve (9) and the inner guide sleeve (7), the inner guide sleeve (7) is fixed in the slotted hole (12) of the outer die support ring (1), the outer guide sleeve (9) is fixedly connected with the guide rod (6), and the outer die (5) is fixed on the guide rod (6).
3. The steel pipe socket forming machine according to claim 2, wherein: the outer die support ring (1) comprises a first annular body (13), a sunken step (11) is arranged on one surface, close to the outer die taper sleeve (2), of the first annular body, a slotted hole (12) is formed in the step (11), the slotted hole (12) extends outwards into the first annular body (13), and the outer die (5) moves on the step (11).
4. The steel pipe socket forming machine according to claim 3, wherein: the outer die taper sleeve (2) comprises a second annular body (21) and a third annular body (22) which are fixedly connected, the central axis of the second annular body (21) is collinear with the central axis of the third annular body (22), and the inner surface of the third annular body (22) is a second conical surface.
5. The steel pipe socket forming machine according to claim 4, wherein: the guide post (4) is fixed on the first annular body (13), a guide hole matched with the guide post (4) in position is formed in the second annular body (21), and the guide post (4) is inserted into the guide hole.
6. The steel pipe socket forming machine according to claim 5, wherein: the first driving mechanism (3) is a hydraulic driving mechanism, and a fixed end and a movable end of the hydraulic driving mechanism are respectively fixed on the first annular body (13) and the second annular body (21).
7. The steel pipe socket forming machine according to any one of claims 1 to 6, wherein: the inner die supporting ring is characterized in that a plurality of first T-shaped grooves (17) are formed in the inner die supporting ring (14), the first T-shaped grooves (17) are distributed in a radial mode, the inner die (15) is connected with the first T-shaped grooves in a sliding mode through first T-shaped keys (33), all the inner dies (15) are arranged into a circle, an expanding cone (18) is arranged at the center of each inner die (15), a plurality of second T-shaped grooves are formed in the surface of the expanding cone (18), the inner surface of each inner die slides in a matched mode through second T-shaped keys and second T-shaped grooves, a second driving mechanism (24) drives the expanding cone (18) to move perpendicular to the inner die supporting ring (14), the diameter of one end, close to the inner die supporting ring (14), of the expanding cone (18) is small, and the diameter.
8. The steel pipe socket forming machine according to claim 7, wherein: and a weight reducing mechanism is arranged at the first T-shaped key and comprises a spring seat (25), a weight reducing spring (19) positioned in the spring seat and a pre-tightening bolt (20) in threaded connection with the top end of the spring seat (25), one end of the weight reducing spring (19) is in contact with the pre-tightening bolt (20), and the other end of the weight reducing spring is in contact with the first T-shaped key.
9. The steel pipe socket forming machine according to claim 8, wherein: an inner die wedge block (16) is further fixed on the inner surface of the inner die, and the inner surface of the inner die wedge block (16) slides in a matched mode with the second T-shaped groove through a second T-shaped key.
10. The steel pipe socket forming machine according to claim 9, wherein: the inner die supporting ring (14) is fixed on the rack, the second driving mechanism (24) is fixed on the rack through a lifting mechanism (32), and the rack is installed on the base (35) through a sliding rail mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981758.6U CN210280432U (en) | 2019-06-27 | 2019-06-27 | Steel pipe bell and spigot forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981758.6U CN210280432U (en) | 2019-06-27 | 2019-06-27 | Steel pipe bell and spigot forming machine |
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| Publication Number | Publication Date |
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| CN210280432U true CN210280432U (en) | 2020-04-10 |
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| CN201920981758.6U Active CN210280432U (en) | 2019-06-27 | 2019-06-27 | Steel pipe bell and spigot forming machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153299A (en) * | 2019-06-27 | 2019-08-23 | 烟台豪德博尔机械设备有限公司 | Steel pipe bell and spigot molding machine |
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2019
- 2019-06-27 CN CN201920981758.6U patent/CN210280432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153299A (en) * | 2019-06-27 | 2019-08-23 | 烟台豪德博尔机械设备有限公司 | Steel pipe bell and spigot molding machine |
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