CN210131973U - Mold for manufacturing bent pipe - Google Patents
Mold for manufacturing bent pipe Download PDFInfo
- Publication number
- CN210131973U CN210131973U CN201920479905.XU CN201920479905U CN210131973U CN 210131973 U CN210131973 U CN 210131973U CN 201920479905 U CN201920479905 U CN 201920479905U CN 210131973 U CN210131973 U CN 210131973U
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Abstract
The utility model provides a mould for making return bend, it includes: a drive mechanism; the pipe bending roller pair comprises a first roller and a second roller, and an insertion space of the pipe fitting is formed between the two rollers; the rotating shaft pair comprises a first rotating shaft and a second rotating shaft which are parallel to each other, one end of the first rotating shaft is connected with the driving mechanism, the other end of the first rotating shaft is sleeved with a first roller, one end of the second rotating shaft is connected with the driving mechanism, and the other end of the second rotating shaft is sleeved with a second roller; and the auxiliary pipe jacking block is fixed on one side of the first roller, which is far away from the second roller. The driving mechanism can drive the first rotating shaft to rotate around the second rotating shaft, the first rotating shaft drives the first roller to move together to bend the pipe fitting along the preset direction, and the auxiliary pipe jacking block and the first roller can apply acting force on the pipe fitting together to force the pipe fitting to bend. Through using this a mould for making the return bend, can avoid the outer wall of pipe fitting to form indentation or sunken, improve the processingquality that the pipe fitting buckled the processing.
Description
Technical Field
The utility model relates to a steel pipe bending process technical field especially relates to a mould for making return bend.
Background
In modern industrial production, bending and shaping of steel pipes is a widely used technique. For example, in the field of automobile manufacturing technology, a steel pipe is bent to manufacture a seat headrest rod support. When the steel pipe is bent and modeled, a pipe bending die is required to be installed on the pipe bending equipment to bend the steel pipe for multiple times. However, at present, in the process of bending, an indentation or a large-area recess may be formed on the outer wall of the pipe fitting, which causes that the processing quality of the pipe fitting is difficult to be guaranteed and the rejection rate of the pipe fitting is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned whole or partial problem, the utility model provides a mould for making return bend comes the pipe fitting to buckle processing through using this mould, can avoid the outer wall of pipe fitting to form the indentation or sunken, improves the processingquality that the pipe fitting was buckled and is processed to reduce the disability rate of pipe fitting.
The utility model provides a mould for making return bend, it includes: a drive mechanism; the pipe bending roller pair comprises a first roller and a second roller, and an insertion space of the pipe fitting is formed between the first roller and the second roller; the rotating shaft pair comprises a first rotating shaft and a second rotating shaft which are parallel to each other, one end of the first rotating shaft is connected with the driving mechanism, the other end of the first rotating shaft is sleeved with the first roller, one end of the second rotating shaft is connected with the driving mechanism, and the other end of the second rotating shaft is sleeved with the second roller; the auxiliary pipe jacking block is fixed on one side, far away from the second roller, of the first roller, and a pipe jacking surface capable of being matched with the shape of the outer wall of the pipe fitting is arranged on the auxiliary pipe jacking block; the driving mechanism can drive the first rotating shaft to rotate around the second rotating shaft, the first rotating shaft drives the first roller to move together to bend the pipe fitting along a preset direction, and the auxiliary pipe jacking block and the first roller can apply acting force on the pipe fitting together to force the pipe fitting to bend in the process.
Preferably, the mould further comprises an automatic clamping assembly arranged between the first rotating shaft and the first roller, and the automatic clamping assembly can automatically clamp and fix the first roller and the first rotating shaft together when the first rotating shaft starts to rotate around the second rotating shaft.
Preferably, the automatic clamping assembly comprises a clamping hook, a rear seat and an elastic component, the first rotating shaft is provided with an accommodating groove which is opened at the rear end and can accommodate the clamping hook and the elastic component, the clamping hook is hinged with the side wall of the accommodating groove, the rear end of the elastic component is abutted against the clamping hook, and the front end of the elastic component is abutted against the inner wall of the accommodating groove; the rear seat is positioned at the rear end of the first rotating shaft and can be abutted against the rear end of the hook; the bottom of the first roller is provided with a clamping groove which can be matched with the clamping hook; when the first roller is located at the initial position, the clamping hook is abutted against the rear seat, the elastic component is in a compressed state, and the clamping hook is not clamped in the clamping groove; when the first rotating shaft starts to rotate around the second rotating shaft under the action of the driving mechanism, the clamping hook leaves the rear seat, and under the elastic force action of the elastic component, the clamping hook rotates around a hinge point of the clamping hook and the accommodating groove to be clamped in the clamping groove.
Preferably, the rear end of the hook is provided with a protrusion for abutting against the rear seat, when the first roller is located at the initial position, the rear seat forces the hook to move towards the inside of the accommodating groove, so that the protrusion moves into the accommodating groove, the elastic member is compressed, and the hook is located below the clamping groove; when the hook is far away from the rear seat, the protruding part can extend out of the rear end opening of the accommodating groove under the action of the elastic force of the elastic component, and the hook rotates upwards and is clamped into the clamping groove.
Preferably, the rear end of the hook is provided with a guide groove capable of partially accommodating the elastic member, and the rear end of the elastic member abuts against the rear end of the guide groove.
Preferably, the driving mechanism can also drive the second rotating shaft to rotate around the first rotating shaft to drive the second roller to bend the pipe fitting along a direction opposite to the preset direction, the mold further includes a top plate disposed on the upper portion of the elbow roller pair, one end of the top plate is sleeved on the top end of the first rotating shaft, the other end of the top plate is sleeved on the top end of the second rotating shaft, and the top plate is provided with a step surface capable of abutting against a side end surface of the auxiliary pipe jacking block facing the second roller; when the second rotating shaft rotates around the first rotating shaft, the step surface of the top plate can push the auxiliary pipe jacking block to move, so that the first roller and the auxiliary pipe jacking block are driven to rotate around the first rotating shaft together.
Preferably, the mold further comprises a first fixing rod located on the top plate and a second fixing rod located on the auxiliary pipe jacking block, an elastic connecting piece is arranged between the first fixing rod and the second fixing rod, and when the second rotating shaft rotates towards a direction far away from the auxiliary pipe jacking block, the elastic connecting piece can pull the auxiliary pipe jacking block and the first roller to rotate around the first rotating shaft together.
Preferably, first gyro wheel includes upper end portion, clamping part and lower tip from top to bottom in proper order, upper end portion and lower tip are cylindrically, the diameter of clamping part is from the middle part to upper end and lower extreme progressively increase respectively, the structure of second gyro wheel with the structure of first gyro wheel is the same.
Preferably, the die further comprises a rear guide wheel pair arranged on the first roller and the second roller, the guide wheel pair comprises two guide rollers, an insertion space for the pipe fitting is formed between the two guide rollers, and the structure of each guide wheel is the same as that of the first roller.
Preferably, the number of the guide wheel pairs is two, and the insertion spaces of the pipe fittings of the two guide wheel pairs and the insertion spaces of the pipe fittings of the elbow roller pair are located on a straight line.
According to the utility model discloses a mould for making return bend, its cooperation through two gyro wheels realizes the processing of buckling of pipe fitting, and such cooperation mode makes to have area of contact as big as possible between pipe fitting and the mould, and the gyro wheel can provide better support for the pipe fitting, avoids the crooked inboard of pipe fitting to appear warping. More importantly, through additionally arranging the auxiliary pipe jacking block, the contact area between the outer side of the bent pipe fitting and a die can be further increased in the process of pushing the pipe fitting to be bent, so that the outer wall of the pipe fitting is prevented from forming an indentation or a recess, the processing quality of bending the pipe fitting is improved, and the rejection rate of the pipe fitting is reduced. Additionally, the utility model discloses a simple structure for making the mould of return bend uses safe and reliable, is convenient for extensively popularize and apply.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic perspective view of a mold for manufacturing a bent pipe according to an embodiment of the present invention;
fig. 2 is a side view of a mold for manufacturing bent pipes according to an embodiment of the present invention;
fig. 3 is a working state diagram of the first roller, the first rotating shaft and the automatic clamping assembly of the mold for manufacturing bent pipes according to the embodiment of the present invention;
fig. 4 is a working state diagram of the first roller, the first rotating shaft and the automatic clamping assembly of the mold for manufacturing bent pipes according to the embodiment of the present invention.
Description of reference numerals: 1. a drive mechanism; 2. a bent pipe roller pair; 3. a pair of rotating shafts; 4. an auxiliary ejector pipe block; 5. an automatic clamping assembly; 6. a top plate; 7. a pair of guide wheels; 21. a first roller; 22. a second roller; 31. a first rotating shaft; 32. a second rotating shaft; 41. a first fixing lever; 51. a hook; 52. a rear seat; 53. an elastic member; 61. a step surface; 62. a second fixing bar; 211. a card slot; 311. accommodating grooves; 511. a protrusion; 512. a guide groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Fig. 1 is a schematic perspective view of a mold for manufacturing a bent pipe according to an embodiment of the present invention, and fig. 2 is a side view of the mold for manufacturing a bent pipe according to an embodiment of the present invention. As shown in fig. 1 and 2, the mold for manufacturing a bent pipe includes a driving mechanism 1, a bent pipe roller pair 2, a rotating shaft pair 3, and an auxiliary pipe ejecting block 4. The elbow roller pair 2 includes a first roller 21 and a second roller 22, and an insertion space for the pipe is formed between the first roller 21 and the second roller 22. The pair of shafts 3 includes a first shaft 31 and a second shaft 32 parallel to each other, one end of the first shaft 31 is connected to the driving mechanism 1, and the other end thereof is sleeved with a first roller 21, one end of the second shaft 32 is connected to the driving mechanism 1, and the other end thereof is sleeved with a second roller 22. The auxiliary pipe jacking block 4 is fixed on one side of the first roller 21 far away from the second roller 22, and the auxiliary pipe jacking block 4 is provided with a pipe jacking surface which can be matched with the shape of the outer wall of the pipe fitting so as to effectively contact and abut against the pipe fitting to apply acting force to the pipe fitting. The driving mechanism 1 can drive the first rotating shaft 31 to rotate around the second rotating shaft 32, the first rotating shaft 31 drives the first roller 21 to move together to bend the pipe along the preset direction, and the auxiliary pipe jacking block 4 can apply an acting force on the pipe together with the first roller 21 in the process to force the pipe to bend. Generally, the pipe inserted between the first roller 21 and the second roller 22 is perpendicular to the plane of the first rotating shaft 31 and the second rotating shaft 32. It should be noted that the driving mechanism 1 may be selected from conventional driving mechanisms such as a reduction motor and a hydraulic cylinder, which are well known to those skilled in the art and will not be described herein again. The utility model discloses a mould needs to cooperate anchor clamps to realize the buckling of pipe fitting, and the rear end of pipe fitting is cliied by anchor clamps, and the front end of pipe fitting inserts between first and second gyro wheel (21, 22), and anchor clamps constantly impel this pipe fitting forward to realize the many places processing of buckling on the whole pipe fitting.
According to the utility model discloses a mould for making return bend, its cooperation through two gyro wheels realizes the processing of buckling of pipe fitting, and such cooperation mode makes to have area of contact as big as possible between pipe fitting and the mould, and the gyro wheel can provide better support for the pipe fitting, avoids the crooked inboard of pipe fitting to appear warping. More importantly, through additionally arranging the auxiliary pipe jacking block 4, the contact area between the outer side of the bent pipe fitting and a die can be further increased in the process of pushing the pipe fitting to be bent, so that indentation or depression is prevented from being formed on the outer wall of the pipe fitting, the processing quality of bending the pipe fitting is improved, and the rejection rate of the pipe fitting is reduced.
The mould for manufacturing the bent pipe further comprises an automatic clamping assembly 5 arranged between the first rotating shaft 31 and the first roller 21, and the automatic clamping assembly 5 can automatically clamp and fix the first roller 21 and the first rotating shaft 31 together when the first rotating shaft 31 starts to rotate around the second rotating shaft 32. Therefore, in the process of bending the pipe fitting, the first roller 21, the auxiliary pipe jacking block 4 and the first rotating shaft 31 cannot rotate relatively, so that the auxiliary pipe jacking block 4 is ensured to be always in contact with the pipe fitting in the whole process of bending the pipe fitting, and the processing quality of the pipe fitting can be stably improved by the die. In addition, when the first roller 21 is located at the initial position, it can be easily detached from the first rotating shaft 31, thereby facilitating maintenance and replacement. The automatic clamping assembly 5 may be a structure for clamping by electric induction or magnetic induction, or a mechanical clamping structure.
Fig. 3 is an operating state diagram of the first roller 21, the first rotating shaft 31 and the automatic clamping component 5 of the mold for manufacturing bent pipes according to the embodiment of the present invention, and fig. 4 is an operating state diagram of the first roller 21, the first rotating shaft 31 and the automatic clamping component 5 of the mold for manufacturing bent pipes according to the embodiment of the present invention. As shown in fig. 3 and 4, in the present embodiment, the automatic locking assembly 5 includes a hook 51, a rear seat 52 and an elastic member 53, the first rotating shaft 31 is provided with an accommodating groove 311 having an opening at a rear end and capable of accommodating the hook 51 and the elastic member 53, the hook 51 is hinged to a sidewall of the accommodating groove 311, the elastic member 53 abuts against the hook 51 at the rear end, and abuts against an inner wall of the accommodating groove 311 at a front end; the rear seat 52 is positioned at the rear end of the first rotating shaft 31 and can be abutted against the rear end of the hook 51; the bottom of the first roller 21 is provided with a locking groove 211 which can be matched with the hook 51. When the first roller 21 is located at the initial position, the hook 51 abuts against the rear seat 52, the elastic member 53 is in a compressed state, the hook 51 is not clamped in the clamping groove 211, fig. 4 is a schematic structural diagram of the state, and the first roller 21 shown in fig. 1 and fig. 2 is located at the initial position. When the first rotating shaft 1 starts to rotate around the second rotating shaft 32 under the action of the driving mechanism 1, the hook 51 leaves the rear seat 52, and under the elastic force of the elastic member 53, the hook 51 rotates around the hinge point with the receiving slot 311 to be clamped into the clamping slot 211. Fig. 3 is a schematic structural view in this state. Compared with a structure for automatic clamping through electric induction or magnetic induction, the automatic clamping structure is simple in structure, low in cost and long in service life, and maintenance operation is simpler if maintenance and component replacement are needed. The elastic member 53 may be a spring, a leaf spring, or rubber, and may be selected by those skilled in the art according to specific needs.
Specifically, the rear end of the hook 51 is provided with a protrusion 511 for abutting against the rear seat 52, when the first roller 21 is located at the initial position, the rear seat 52 forces the hook 51 to move towards the receiving slot 311 so that the protrusion 511 moves into the receiving slot 311, and the elastic member 53 is compressed, so that the hook 51 is located below the slot 211. When the hook 51 is away from the rear seat 52, the protrusion 511 can protrude from the rear end opening of the receiving groove 311 by the elastic force of the elastic member 53, and the hook 51 rotates upward to be caught in the catch 211. With this design, the hook 51 can be quickly and stably caught in the catching groove 211 when it is away from the rear seat 52. Preferably, the rear end of the hook 51 is provided with a guide groove 512 capable of partially accommodating the elastic member 53, and the rear end of the elastic member 53 abuts against the rear end of the guide groove. The guide groove 512 may restrain the elastic member 53 so as to prevent the elastic member 53 from being deformed in other directions during the expansion and contraction thereof.
In this embodiment, the driving mechanism 1 can also drive the second rotating shaft 32 to rotate around the first rotating shaft 31 to drive the second roller 22 to bend the pipe in the opposite direction of the predetermined direction. In prior art, a lot of moulds that are used for making the return bend can only the unilateral pipe fitting of buckling, if need reverse the pipe fitting of buckling like this, then need anchor clamps to rotate the pipe fitting, the operation error can be bigger like this, such setting up of this application can be along two directions bending processing pipe fittings, can reduce the operation error that the pipe fitting was buckled and was processed when convenient the operation. In this embodiment, the driving mechanism 1 is disposed on a driving turntable (not shown in the figure) of the mold, and the driving mechanism 1 is driven by the driving turntable to move, so that the driving mechanism 1 can selectively drive the first roller 21 or the second roller 22 to rotate, thereby bending the inserted pipe.
The utility model discloses a mould for making return bend is still including locating roof 6 on the upper portion of return bend gyro wheel pair 2, and a pot head of roof 6 is established on the top of first pivot 31, and its other pot head is established on the top of second pivot 32, is equipped with on roof 6 to lean on step face 61 with the side end face counterbalance of the orientation second gyro wheel 22 of supplementary ejector pipe piece 4. When the second rotating shaft 32 rotates around the first rotating shaft 31, the step surface 61 of the top plate 6 can push the auxiliary pipe jacking block 4 to move, so as to drive the first roller 21 and the auxiliary pipe jacking block 4 to rotate around the first rotating shaft 31 together. The hook 51 is only clamped into the clamping groove 211 in the process that the first rotating shaft 31 rotates around the second rotating shaft 32, and the first roller 21 can rotate relative to the first rotating shaft 31 in the process that the second rotating shaft 32 rotates around the first rotating shaft 31, so that the auxiliary pipe jacking block 4 can be guaranteed to always support the pipe fitting, and the pipe fitting can be guaranteed to be processed in a bending mode in the opposite direction of the preset direction.
The utility model discloses a mould for making return bend is still including being located first dead lever 41 on roof 6 and being located the second dead lever 62 on supplementary ejector sleeve block 4, is equipped with elastic connector (not shown in the figure) between first dead lever 41 and the second dead lever 62. After the second rotating shaft 32 drives the second roller 22 to rotate around the first rotating shaft 31 to bend the pipe, when the second rotating shaft 32 rotates in a direction away from the auxiliary pipe ejecting block 4 and returns to its initial position, the elastic connecting member stretches, and under the pulling force of the elastic connecting member, the auxiliary pipe ejecting block 4 and the first roller 21 rotate together around the first rotating shaft 31 and return to the initial position. This arrangement allows the auxiliary ejector block 4 and the first roller 21 to automatically return to the initial position, and the elastic connection may be selected from a spring, a rubber band, or the like, and is preferably a spring.
Preferably, as shown in fig. 1 and 2, the first roller 21 includes an upper end portion, a clamping portion and a lower end portion in sequence from top to bottom, the upper end portion and the lower end portion are both cylindrical, the diameter of the clamping portion gradually increases from the middle portion to the upper end and the lower end, respectively, and the structure of the second roller 22 is the same as that of the first roller 21. By such a structural arrangement, the first and second rollers (21, 22) are simple and stable in structure, and can form effective and stable support for the pipe.
The utility model discloses a mould for making return bend is still including the rear leading wheel pair 7 of locating first gyro wheel 21 and second gyro wheel 22, and leading wheel pair 7 includes two leading rolls, forms the space of inserting of pipe fitting between two leading rolls, and the structure of leading wheel is the same with first gyro wheel 21's structure. The leading wheel pair 7 can play the effect of direction, in addition, because the rear end of pipe fitting is by anchor clamps centre gripping, and its front end need buckle the processing, leading wheel pair 7 can also play the effect of the middle part of fixed and centre gripping pipe fitting, avoids longer pipe fitting to appear warping in the course of working. In order to better guide and fix the pipe, the number of the guide wheel pairs 7 is two, and the insertion spaces of the pipe of the two guide wheel pairs 7 and the insertion spaces of the pipe of the bending roller pair 2 are located on the same straight line.
It is particularly emphasized that the terms "front", "back", "upper", "lower", "top", "bottom", and the like, are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. A mold for manufacturing a bent pipe, comprising:
a drive mechanism;
the pipe bending roller pair comprises a first roller and a second roller, and an insertion space of the pipe fitting is formed between the first roller and the second roller;
the rotating shaft pair comprises a first rotating shaft and a second rotating shaft which are parallel to each other, one end of the first rotating shaft is connected with the driving mechanism, the other end of the first rotating shaft is sleeved with the first roller, one end of the second rotating shaft is connected with the driving mechanism, and the other end of the second rotating shaft is sleeved with the second roller;
the auxiliary pipe jacking block is fixed on one side, far away from the second roller, of the first roller, and a pipe jacking surface capable of being matched with the shape of the outer wall of the pipe fitting is arranged on the auxiliary pipe jacking block;
the driving mechanism can drive the first rotating shaft to rotate around the second rotating shaft, the first rotating shaft drives the first roller to move together to bend the pipe fitting along a preset direction, and the auxiliary pipe jacking block and the first roller can apply acting force on the pipe fitting together to force the pipe fitting to bend in the process.
2. The mold according to claim 1, further comprising an automatic clamping assembly disposed between the first rotating shaft and the first roller, wherein the automatic clamping assembly is capable of automatically clamping and fixing the first roller and the first rotating shaft together when the first rotating shaft starts to rotate around the second rotating shaft.
3. The mold according to claim 2, wherein the automatic clamping assembly comprises a hook, a rear seat and an elastic member, the first rotating shaft is provided with a receiving groove which is opened at the rear end and can receive the hook and the elastic member, the hook is hinged with the side wall of the receiving groove, the rear end of the elastic member abuts against the hook, and the front end of the elastic member abuts against the inner wall of the receiving groove; the rear seat is positioned at the rear end of the first rotating shaft and can be abutted against the rear end of the hook; the bottom of the first roller is provided with a clamping groove which can be matched with the clamping hook;
when the first roller is located at the initial position, the clamping hook is abutted against the rear seat, the elastic component is in a compressed state, and the clamping hook is not clamped in the clamping groove; when the first rotating shaft starts to rotate around the second rotating shaft under the action of the driving mechanism, the clamping hook leaves the rear seat, and under the elastic force action of the elastic component, the clamping hook rotates around a hinge point of the clamping hook and the accommodating groove to be clamped in the clamping groove.
4. The mold according to claim 3, wherein the rear end of the hook is provided with a protrusion for abutting against the rear seat, when the first roller is located at the initial position, the rear seat forces the hook to move toward the receiving groove so that the protrusion moves into the receiving groove, and the elastic member is compressed, and the hook is located below the engaging groove; when the hook is far away from the rear seat, the protruding part can extend out of the rear end opening of the accommodating groove under the action of the elastic force of the elastic component, and the hook rotates upwards and is clamped into the clamping groove.
5. The mold according to claim 3, wherein the rear end of the hook is provided with a guide groove capable of partially accommodating the elastic member, and the rear end of the elastic member abuts against the rear end of the guide groove.
6. The mold according to claim 3, wherein the driving mechanism is further capable of driving the second rotating shaft to rotate around the first rotating shaft to drive the second roller to bend the pipe in a direction opposite to the preset direction, the mold further comprises a top plate disposed on the upper portion of the pair of bending rollers, one end of the top plate is disposed on the top end of the first rotating shaft, and the other end of the top plate is disposed on the top end of the second rotating shaft, the top plate is provided with a step surface capable of abutting against a side end surface of the auxiliary pipe ejection block facing the second roller; when the second rotating shaft rotates around the first rotating shaft, the step surface of the top plate can push the auxiliary pipe jacking block to move, so that the first roller and the auxiliary pipe jacking block are driven to rotate around the first rotating shaft together.
7. The mold of claim 6, further comprising a first fixing rod on the top plate and a second fixing rod on the auxiliary ejector block, wherein an elastic connector is disposed between the first fixing rod and the second fixing rod, and when the second rotating shaft rotates in a direction away from the auxiliary ejector block, the elastic connector can pull the auxiliary ejector block and the first roller to rotate together around the first rotating shaft.
8. The mold according to claim 1, wherein the first roller comprises an upper end portion, a clamping portion and a lower end portion in sequence from top to bottom, the upper end portion and the lower end portion are cylindrical, the diameter of the clamping portion is gradually increased from the middle portion to the upper end and the lower end respectively, and the structure of the second roller is the same as that of the first roller.
9. The mold according to claim 8, further comprising a pair of guide wheels provided behind the first and second rollers, the pair of guide wheels including two guide rollers, an insertion space for the pipe member being formed between the two guide rollers, and the guide wheels having the same structure as the first roller.
10. The die according to claim 9, wherein the number of the guide wheel pairs is two pairs, and the insertion spaces of the pipe members of the two pairs of guide wheel pairs and the insertion spaces of the pipe members of the elbow roller pair are located on a straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920479905.XU CN210131973U (en) | 2019-04-10 | 2019-04-10 | Mold for manufacturing bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920479905.XU CN210131973U (en) | 2019-04-10 | 2019-04-10 | Mold for manufacturing bent pipe |
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| Publication Number | Publication Date |
|---|---|
| CN210131973U true CN210131973U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920479905.XU Active CN210131973U (en) | 2019-04-10 | 2019-04-10 | Mold for manufacturing bent pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877228A (en) * | 2019-04-10 | 2019-06-14 | 上海兴韬汽车配件有限公司 | It is a kind of for making the mold of bend pipe |
| CN112845741A (en) * | 2020-12-31 | 2021-05-28 | 辽宁希泰科技有限公司 | Corrugated pipe bending equipment and bending method thereof |
-
2019
- 2019-04-10 CN CN201920479905.XU patent/CN210131973U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877228A (en) * | 2019-04-10 | 2019-06-14 | 上海兴韬汽车配件有限公司 | It is a kind of for making the mold of bend pipe |
| CN109877228B (en) * | 2019-04-10 | 2024-04-26 | 上海兴韬汽车配件有限公司 | A mould for making return bend |
| CN112845741A (en) * | 2020-12-31 | 2021-05-28 | 辽宁希泰科技有限公司 | Corrugated pipe bending equipment and bending method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |