CN209753733U - hydraulic pipe bending machine - Google Patents
hydraulic pipe bending machine Download PDFInfo
- Publication number
- CN209753733U CN209753733U CN201920285487.0U CN201920285487U CN209753733U CN 209753733 U CN209753733 U CN 209753733U CN 201920285487 U CN201920285487 U CN 201920285487U CN 209753733 U CN209753733 U CN 209753733U
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- bending
- bending die
- rotating shaft
- support
- die
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Abstract
the utility model relates to the technical field of pipe fitting processing, in particular to a hydraulic pipe bending machine, which comprises two brackets which are arranged in parallel; the supporting wheels are rotatably connected between the two brackets through connecting shafts, and the two supporting wheels are respectively arranged at the positions of two bottom angles of the brackets; the bending die comprises a plurality of bending dies which are coaxially arranged, the bending diameter size of each bending die is gradually increased from one support to the other support, a through hole is formed in the middle of each bending die, and a clamping groove extends outwards from each through hole; the rotating shaft is arranged between the two brackets, penetrates through the through hole and is provided with a clamping key which is suitable for being matched with the clamping groove of the corresponding bending die, and the clamping key is suitable for triggering the corresponding bending die to rotate towards the pipe fitting through the rotation of the rotating shaft; the hydraulic cylinder sets up between two supports, and the hydraulic cylinder sets up the apex angle position department at the support, and the hydraulic cylinder is suitable for drive axis of rotation to move down so that the bending die bending pipe spare of percussion, has solved and has changed the bending die waste time, and the hydraulic pressure problem of return bend inefficiency.
Description
Technical Field
the utility model relates to a technical field of pipe fitting processing relates to a hydraulic pipe bending machine very much.
background
in the existing hydraulic pipe bender, a plurality of bending dies with different bending sizes are arranged on the fittings, so that the cost of the bending dies is increased; meanwhile, when the bending die is replaced, the previous bending die needs to be replaced by a new bending die after being detached, and the detachment and installation in such a mode are complex, a large amount of time is wasted, and the bending efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydraulic pipe bender that the cost is lower, the return bend is efficient.
The utility model provides a technical scheme that its technical problem adopted is: a hydraulic pipe bender, comprising:
the support comprises two supports which are arranged in parallel, wherein the supports are isosceles triangles;
The two supporting wheels are rotatably connected between the two brackets through connecting shafts and are respectively arranged at the positions of two bottom angles of the brackets;
the bending die comprises a plurality of bending dies which are coaxially arranged, wherein the bending dies are fan-shaped, the bending diameter size of each bending die is gradually increased from one support to the other support, a through hole is formed in the middle of each bending die, and a clamping groove extends outwards from each through hole;
The rotating shaft is arranged between the two brackets, penetrates through the through hole, is provided with a clamping key which is suitable for being matched with the clamping groove of the corresponding bending die, and is suitable for triggering the corresponding bending die to rotate towards the pipe fitting through the rotation of the rotating shaft;
The hydraulic cylinder is arranged between the two supports and is arranged at the vertex angle position of the supports, and the hydraulic cylinder is suitable for driving the rotating shaft to move downwards so that the triggered bending die presses the bent pipe fitting.
Furthermore, an asynchronous device is arranged between every two adjacent bending dies and is suitable for reducing the friction force between every two adjacent bending dies so as to keep the adjacent bending dies on the two sides of the corresponding bending dies in a static state when the corresponding bending dies are triggered.
further, the asynchronous device includes: an open slot arranged on the end surface of the bending die and a ball embedded in the open slot; wherein
The ball is suitable for rolling along the end face of the bending die.
furthermore, the rotating shaft is sleeved with two oppositely arranged baffles which are rotatably connected with the rotating shaft;
A gap suitable for a bending die to penetrate is arranged between two edges of the two baffle plates parallel to the rotating shaft, and the gap corresponds to the clamping key;
the baffle is suitable for blocking the bending die which does not need to be fired, namely, the fired bending die is fired after penetrating through the gap.
furthermore, inserting plates are arranged on the opposite sides of the two baffle plates;
the inserting plates slide in corresponding inserting holes on the support so that the baffle plates can slide along the connecting shaft to block the bending die to trigger.
furthermore, one end of the rotating shaft penetrates through any one support and is connected with a hand wheel;
The bracket is provided with a sliding groove which is suitable for the rotating shaft to pass through and slide in;
the hand wheel is suitable for driving the rotating shaft to rotate and adjusting the clamping key to be matched with a clamping groove in the bending die needing to be fired.
further, the movable end of the hydraulic cylinder is connected with the rotating shaft through a bearing.
Furthermore, a buffer mechanism suitable for finely adjusting the two supporting wheels so that the bending die is positioned on the perpendicular bisector of the two supporting wheels is arranged between the connecting shaft and the support.
Further, the buffer mechanism includes: the buffer groove is formed in the position, located at the connecting shaft, of the support, and the buffer sheet is fixedly connected with the connecting shaft; and
The upper end face and the lower end face of the buffer sheet are connected to the buffer groove through springs respectively.
The utility model has the advantages that:
the utility model provides a hydraulic pipe bending machine, erect the pipe fitting on two supporting wheels, and the distance that the supporting wheel was stretched out at the pipe fitting both ends is the same, promote the axis of rotation and make the card key cooperation to the draw-in groove of the bending die of required percussion in, it drives the bending die and rotates downwards to aim at the pipe fitting to rotate the axis of rotation, through the downward bending pipe fitting of hydraulic cylinder drive bending die, when needs change the radius of bending, only need rotate the axis of rotation and roll back to the bending die of percussion, promote the axis of rotation again and make the draw-in groove cooperation in the card key of the bending die of required percussion, it just bends to fire the bending die again, do not need to prepare a plurality of bending dies in addition, the preparation cost of mould has been practiced thrift, the storage space of mould has been practiced thrift, the required time of change bending die has been practiced thrift simultaneously, hydraulic pipe bending efficiency has been improved.
drawings
The present invention will be further explained with reference to the drawings and examples.
fig. 1 is a perspective view of a preferred embodiment of a hydraulic pipe bender of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1 in an enlarged view;
FIG. 3 is a schematic view of a portion B of FIG. 1 in an enlarged view;
Fig. 4 is a partially enlarged schematic view of a portion C in fig. 1.
in the figure:
1. a support frame is arranged on the base plate,
2. A supporting wheel, 21, a connecting shaft,
3. A bending die, 31, a through hole, 32, a clamping groove,
4. rotating shaft, 41, snap keys, 42, hand wheel, 43, sliding groove,
5. A hydraulic cylinder, 51, bearings,
61. The open slots, 62, the balls,
7. a baffle plate, 71, an inserting plate, 72, an inserting hole,
81. Buffer groove, 82 buffer sheet, 83 spring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The utility model provides a hydraulic pipe bending machine, include: the device comprises two parallel brackets 1, wherein the brackets 1 are isosceles triangles; the two supporting wheels 2 are rotatably connected between the two brackets 1 through a connecting shaft 21, and the two supporting wheels 2 are respectively arranged at the two bottom corner positions of the brackets 1; the bending die comprises a plurality of bending dies 3 which are coaxially arranged, wherein the bending dies 3 are fan-shaped, the bending diameter of each bending die 3 is gradually increased from one support 1 to the other support 1, a through hole 31 is formed in the middle of each bending die 3, and a clamping groove 32 extends outwards from each through hole 31; the rotating shaft 4 is arranged between the two brackets 1, the rotating shaft 4 penetrates through the through hole 31, a clamping key 41 which is suitable for being matched with the clamping groove 32 of the corresponding bending die 3 is arranged on the rotating shaft 4, and the clamping key 41 is suitable for triggering the corresponding bending die 3 to rotate to face the pipe fitting through the rotation of the rotating shaft 4; the hydraulic cylinder 5, the hydraulic cylinder 5 is arranged between the two brackets 1, the hydraulic cylinder 5 is arranged at the vertex angle position of the bracket 1, the hydraulic cylinder 5 is suitable for driving the rotating shaft 4 to move downwards so as to enable the triggered bending die 3 to bend the pipe, when in use, the pipe is erected on the two supporting wheels 2, the distance between the two ends of the pipe extending out of the supporting wheels 2 is the same, the rotating shaft 4 is pushed to enable the clamping key 41 to be matched into the clamping groove 32 of the required triggered bending die 3, the rotating shaft 4 is rotated to drive the bending die 3 to rotate downwards to align the pipe, the bending die 3 is driven to bend downwards through the hydraulic cylinder 5, when the bending radius needs to be changed, only the rotating shaft 4 needs to be rotated to back to the triggered bending die 3, the rotating shaft 4 is pushed again to enable the clamping groove 32 to be matched into the clamping key 41 of the required triggered bending die 3, and then the bending die 3 is triggered to bend, a plurality of bending dies 3 do not need to be prepared additionally, so that the preparation cost of the dies is saved, the storage space of the dies is saved, the time for replacing the bending dies 3 is saved, and the hydraulic pipe bending efficiency is improved.
in this embodiment, in order to avoid triggering one bending die 3 by driving the adjacent bending die 3, an asynchronous device is disposed between two adjacent bending dies 3, and the asynchronous device is adapted to reduce the friction force between two adjacent bending dies 3 to maintain the static state of the adjacent bending dies 3 on both sides of the corresponding bending die 3 when the corresponding bending die 3 is triggered, so as to maintain the triggering accuracy of the bending die 3.
In the present embodiment, in order to reduce the friction force between two adjacent bending dies 3, the asynchronous device includes: an open slot 61 arranged on the end surface of the bending die 3 and a ball 62 embedded in the open slot 61; the ball 62 is suitable for rolling on the end face of the bending die 3, sliding friction generated by surface contact between two adjacent bending dies 3 is improved to rolling friction of the ball 62 and the end face of the bending die 3, friction force between two adjacent bending dies 3 is reduced, the problem that the bending dies 3 with two sides are fired together when the bending dies 3 are fired is avoided, and firing accuracy of the bending dies 3 is guaranteed.
In the embodiment, in order to further avoid accidental triggering of the non-working bending die 3, two oppositely arranged baffles 7 are sleeved on the rotating shaft 4, and the baffles 7 are rotatably connected with the rotating shaft 4; a gap suitable for the bending die 3 to pass through is arranged between two edges of the two baffle plates 7 parallel to the rotating shaft 4, and the gap corresponds to the clamping key 41; the baffle 7 is adapted to block the bending die 3 which does not need to be fired, i.e. the fired bending die 3 is fired after passing through the gap.
In the embodiment, in order to avoid the rotation of the baffle plates 7, the opposite sides of the two baffle plates 7 are provided with inserting plates 71; the inserting plates 71 slide in corresponding inserting holes 72 on the support 1 so as to be suitable for the baffle plates 7 to slide along the connecting shafts 21 to block the bending dies 3 for triggering, and in the sliding and rotating processes of the connecting shafts 21, the inserting plates 71 can only slide along the connecting shafts 21 and cannot rotate along the connecting shafts 21, so that the baffle plates 7 are always in the rotating direction of blocking the rest bending dies 3 from being accidentally triggered, and the triggering accuracy of the bending dies 3 is further ensured.
in this embodiment, one end of the rotating shaft 4 passes through any one of the brackets 1 and is connected with a hand wheel 42; the bracket 1 is provided with a sliding groove 43 which is suitable for the rotating shaft 4 to pass through and slide in; the hand wheel 42 is adapted to drive the rotation shaft 4 to rotate and adjust the catch 41 to fit into the catch groove 32 in the bending die 3 to be fired.
in this embodiment, the movable end of the hydraulic cylinder 5 is connected to the rotating shaft 4 through a bearing 51.
In this embodiment, be provided with between connecting axle 21 and the support 1 and be suitable for two supporting wheel 2 of fine setting and make the bending die 3 be located the buffer gear on the perpendicular bisector of two supporting wheel 2, when the line between two supporting wheel 2 is not parallel with the horizontal direction, when the bending die 3 promoted the pipe fitting and bends, higher supporting wheel 2 passed through buffer gear and descends to and be in same horizontal plane with lower supporting wheel 2 after, continue to promote bending die 3 and make the pipe fitting bend.
In this embodiment, in order to ensure the pipe bending accuracy by the two support wheels 2 being in the same horizontal plane during bending, the buffer mechanism includes: a buffer groove 81 arranged at the position of the connecting shaft 21 on the bracket 1 and a buffer sheet 82 fixedly connected with the connecting shaft 21; and the upper end face and the lower end face of the buffer sheet 82 are respectively connected in the buffer groove 81 through springs 83, when the bending die 3 bends the pipe, the springs 83 compress, the compression of the springs 83 at the high-position supporting wheels 2 is larger than that of the springs 83 at the low-position supporting wheels 2, so that the two supporting wheels 2 are positioned on the same horizontal plane for bending, and the pipe bending precision is improved.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A hydraulic pipe bending machine, comprising:
the support comprises two supports which are arranged in parallel, wherein the supports are isosceles triangles;
the two supporting wheels are rotatably connected between the two brackets through connecting shafts and are respectively arranged at the positions of two bottom angles of the brackets;
The bending die comprises a plurality of bending dies which are coaxially arranged, wherein the bending dies are fan-shaped, the bending diameter size of each bending die is gradually increased from one support to the other support, a through hole is formed in the middle of each bending die, and a clamping groove extends outwards from each through hole;
The rotating shaft is arranged between the two brackets, penetrates through the through hole, is provided with a clamping key which is suitable for being matched with the clamping groove of the corresponding bending die, and is suitable for triggering the corresponding bending die to rotate towards the pipe fitting through the rotation of the rotating shaft;
The hydraulic cylinder is arranged between the two supports and is arranged at the vertex angle position of the supports, and the hydraulic cylinder is suitable for driving the rotating shaft to move downwards so that the triggered bending die presses the bent pipe fitting.
2. A hydraulic pipe bending machine according to claim 1,
And an asynchronous device is arranged between every two adjacent bending dies and is suitable for reducing the friction force between every two adjacent bending dies so as to keep the adjacent bending dies at the two sides of the bending die in a static state when the corresponding bending dies are triggered.
3. A hydraulic pipe bending machine according to claim 2,
the asynchronous device includes: an open slot arranged on the end surface of the bending die and a ball embedded in the open slot; wherein
The ball is suitable for rolling along the end face of the bending die.
4. a hydraulic pipe bending machine according to claim 3,
the rotating shaft is sleeved with two oppositely arranged baffles which are rotatably connected with the rotating shaft;
a gap suitable for a bending die to penetrate is arranged between two edges of the two baffle plates parallel to the rotating shaft, and the gap corresponds to the clamping key;
The baffle is suitable for blocking the bending die which does not need to be fired, namely, the fired bending die is fired after penetrating through the gap.
5. a hydraulic pipe bending machine according to claim 4,
The side of the two baffle plates opposite to each other is provided with a plugboard;
the inserting plates slide in corresponding inserting holes on the support so that the baffle plates can slide along the connecting shaft to block the bending die to trigger.
6. A hydraulic pipe bending machine according to claim 1,
One end of the rotating shaft penetrates through any one support and is connected with a hand wheel;
the bracket is provided with a sliding groove which is suitable for the rotating shaft to pass through and slide in;
the hand wheel is suitable for driving the rotating shaft to rotate and adjusting the clamping key to be matched with a clamping groove in the bending die needing to be fired.
7. a hydraulic pipe bending machine according to claim 1,
The movable end of the hydraulic cylinder is connected with the rotating shaft through a bearing.
8. A hydraulic pipe bending machine according to claim 1,
and a buffer mechanism which is suitable for finely adjusting the two supporting wheels so that the bending die is positioned on the perpendicular bisector of the two supporting wheels is arranged between the connecting shaft and the support.
9. A hydraulic pipe bending machine according to claim 8,
the buffer mechanism includes: the buffer groove is formed in the position, located at the connecting shaft, of the support, and the buffer sheet is fixedly connected with the connecting shaft; and
the upper end face and the lower end face of the buffer sheet are connected to the buffer groove through springs respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285487.0U CN209753733U (en) | 2019-03-06 | 2019-03-06 | hydraulic pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285487.0U CN209753733U (en) | 2019-03-06 | 2019-03-06 | hydraulic pipe bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209753733U true CN209753733U (en) | 2019-12-10 |
Family
ID=68753797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920285487.0U Expired - Fee Related CN209753733U (en) | 2019-03-06 | 2019-03-06 | hydraulic pipe bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209753733U (en) |
-
2019
- 2019-03-06 CN CN201920285487.0U patent/CN209753733U/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: 20191210 Termination date: 20210306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |