CN219944377U - Bending diameter-adjustable elbow fixture - Google Patents
Bending diameter-adjustable elbow fixture Download PDFInfo
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- CN219944377U CN219944377U CN202320695376.3U CN202320695376U CN219944377U CN 219944377 U CN219944377 U CN 219944377U CN 202320695376 U CN202320695376 U CN 202320695376U CN 219944377 U CN219944377 U CN 219944377U
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- 238000005452 bending Methods 0.000 title claims abstract description 61
- 238000003754 machining Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model relates to the field of machining and discloses a bent pipe tool with an adjustable bending diameter, wherein a clamping assembly, a guide assembly for controlling the bending diameter and a bent pipe assembly are arranged on a workbench; the bent pipe assembly is hinged with the workbench, the bent pipe assembly is provided with a U-shaped wheel for bending the straight pipe, one end of the straight pipe is clamped in the clamping assembly, and the other end of the straight pipe is arranged between the guide groove and the U-shaped wheel, so that the bent pipe assembly drives the U-shaped wheel to rotate in a direction close to the guide groove, and the straight pipe is attached to the guide groove; the clamping component and the U-shaped wheel are both adjustable in position on the workbench. Therefore, the bending diameter can be adjusted by adjusting the diameter of the outer periphery of the guide assembly, and the operation is simple and the applicability is wide.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a bent pipe tool with an adjustable bent diameter.
Background
In the prior art, straight pipe bending can be realized through two modes of manual and automatic equipment, wherein the former mode needs to manually replace a die, wastes time and labor, is limited by the die and can not randomly adjust the bending diameter, and the latter mode has the disadvantages of huge equipment investment, complex operation and difficult maintenance, thereby greatly improving the production cost.
In summary, how to provide a convenient and cost-effective method for bending a straight pipe is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the utility model aims to provide the bent pipe tool with the adjustable bending diameter, which can adjust the bending diameter by adjusting the diameter of the outer periphery part of the guide assembly, and has simple operation and wide applicability.
In order to achieve the above object, the present utility model provides the following technical solutions:
the bending diameter-adjustable pipe bending tool comprises a workbench, wherein a clamping assembly, a guide assembly and a pipe bending assembly are arranged on the workbench, the guide assembly is used for controlling the bending diameter, a guide groove is formed in the periphery of the guide assembly, and the diameter of the periphery of the guide assembly is adjustable;
the bent pipe assembly is hinged with the workbench, the bent pipe assembly is provided with a U-shaped wheel for bending a straight pipe, one end of the straight pipe is clamped in the clamping assembly, and the other end of the straight pipe is arranged between the guide groove and the U-shaped wheel, so that the bent pipe assembly drives the U-shaped wheel to rotate in a direction close to the guide groove, and the straight pipe is attached to the guide groove;
the clamping assembly and the U-shaped wheel are both adjustable in position on the workbench.
Preferably, the guide assembly comprises a mandrel, a plurality of guide plates provided with guide grooves and an adjusting assembly connected with the mandrel and the guide plates, the guide plates are uniformly distributed along the circumferential direction of the mandrel, and the horizontal length of the adjusting assembly in a horizontal plane is adjustable.
Preferably, the adjusting assembly comprises an adjusting ring sleeve and a bottom fixing ring which are sleeved outside the mandrel, and the adjusting ring sleeve can move along the axial direction of the mandrel;
the periphery of the adjusting ring sleeve is uniformly provided with ring sleeve fixing plates which are in one-to-one correspondence with the guide plates, and a first connecting plate and a second connecting plate are arranged between the ring sleeve fixing plates and the corresponding guide plates;
two ends of the first connecting plate are respectively hinged with the annular sleeve fixing plate and the guide plate, and two ends of the second connecting plate are respectively hinged with the annular sleeve fixing plate and the guide plate;
a third connecting plate is arranged between the middle section of the second connecting plate and the bottom fixing ring, and two ends of the third connecting plate are respectively hinged with the middle section of the second connecting plate and the bottom fixing ring.
Preferably, the adjusting ring sleeve is in threaded connection with the mandrel, and when the mandrel rotates, the adjusting ring sleeve moves along the axial direction of the mandrel.
Preferably, the clamping assembly comprises a first clamping block, a second clamping block and a quick clamp, wherein the quick clamp is connected with the second clamping block relatively far away from the guiding assembly, and the quick clamp can move along the extending direction of the workbench so as to drive the second clamping block relatively far away from or close to the first clamping block.
Preferably, the elbow assembly comprises a rotating plate and the U-shaped wheel, and the U-shaped wheel is slidably and fixedly arranged on the rotating plate;
the front end of the rotating plate is provided with a bearing for installing a rotating pin, and the rotating plate is hinged with the workbench through the rotating pin.
Preferably, the U-shaped wheel is arranged on the heightening anti-skid block, the rotating plate is provided with a limiting groove for being clamped with a limiting protrusion of the heightening anti-skid block, and the limiting groove is arranged along the extending direction of the rotating plate;
the upper end face of the rotating plate and the bottom face of the anti-skid heightening block are respectively provided with an anti-skid groove, so that the anti-skid heightening block is prevented from moving relative to the rotating plate when the straight pipe is bent.
Preferably, the end of the rotating plate, which is opposite to the rotating pin, is provided with a handle.
When the bending pipe tool with the adjustable bending diameter is used, the diameter of the outer peripheral part of the guide assembly is firstly adjusted to meet the bending requirement; adjusting the position of the clamping assembly to be positioned in the axial direction of the guide groove of the guide assembly; the position of the U-shaped wheel is adjusted to enable the U-shaped wheel to be located in the tangential direction of a guide groove of the guide assembly; then one end of the straight pipe to be bent is clamped in the clamping assembly, and the other end of the straight pipe is arranged between the guide groove of the guide assembly and the U-shaped wheel of the bent pipe assembly; and finally, rotating the bent pipe assembly to rotate in the direction approaching to the guide assembly, and forcing the straight pipe to move in the direction approaching to the guide groove by utilizing the U-shaped wheel until the straight pipe is attached to the guide groove, so that the bending of the straight pipe is completed.
The bending diameter of the bending tool with the adjustable bending diameter is controlled by the guide assembly, and the diameter of the outer periphery of the guide assembly is adjustable, so that the bending diameter of the tool for bending the pipe is adjustable, the operation is simple, the applicability is strong, a large number of dies or automatic equipment are not required to be configured, and the bending cost is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an embodiment of an adjustable diameter elbow fixture according to the present utility model;
FIG. 2 is a schematic view of a structure of a workbench;
FIG. 3 is a schematic view of the guide assembly;
fig. 4 is a schematic structural view of the elbow assembly.
In fig. 1-4:
the device comprises a workbench 1, a rotary pin hole 11, a limiting chute 12, a guide component 2, a mandrel 21, a guide plate 22, a guide groove 221, a guide plate fixing plate 222, an adjusting ring sleeve 23, a ring sleeve fixing plate 231, a bottom fixing ring 24, a fixing support seat 241, a first connecting plate 25, a second connecting plate 26, a third connecting plate 27, a bent pipe component 3, a rotating plate 31, a U-shaped wheel 32, a heightening anti-skid block 33, a bearing 34, a handle 35 and a clamping component 4.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model has the core of providing the elbow fixture with the adjustable bending diameter, which can adjust the bending diameter by adjusting the diameter of the outer periphery of the guide assembly, and has simple operation and wide applicability.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an embodiment of an elbow fixture with adjustable bending diameter according to the present utility model; FIG. 2 is a schematic view of a structure of a workbench; FIG. 3 is a schematic view of the guide assembly; fig. 4 is a schematic structural view of the elbow assembly.
The utility model provides a bent pipe tool with an adjustable bending diameter, wherein a clamping assembly 4, a guide assembly 2 for controlling the bending diameter and a bent pipe assembly 3 are arranged on a workbench 1, a guide groove 221 is formed in the outer periphery of the guide assembly 2, and the diameter of the outer periphery of the guide assembly 2 is adjustable;
the bent pipe assembly 3 is hinged with the workbench 1, the bent pipe assembly 3 is provided with a U-shaped wheel 32 for bending a straight pipe, one end of the straight pipe is clamped in the clamping assembly 4, and the other end of the straight pipe is arranged between the guide groove 221 and the U-shaped wheel 32, so that the bent pipe assembly 3 drives the U-shaped wheel 32 to rotate in a direction approaching to the guide groove 221, and the straight pipe is attached to the guide groove 221;
the position of the clamping assembly 4 and the clevis 32 on the table 1 are adjustable.
Referring to fig. 1, the guide assembly 2 has a circular structure, and has a guide groove 221 disposed at an outer periphery thereof, wherein the guide groove 221 is used for being attached to a straight pipe to guide a bending direction of the straight pipe; the diameter of the outer peripheral portion of the guide assembly 2 is adjustable, and specifically, a guide plate 22 provided with a guide groove 221 is connected to a central spindle 21 by a linear displacement mechanism such as a telescopic rod.
The bent pipe assembly 3 is used for providing power for bending of the straight pipe, the bent pipe assembly 3 is provided with a U-shaped wheel 32, and the U-shaped wheel 32 is used for abutting against one end, which is relatively far away from the guide assembly 2, of the straight pipe to be bent so as to push the straight pipe to be attached to a guide groove 221 of the guide assembly 2; the height of the axis of the U-shaped groove on the outer peripheral portion of the U-shaped wheel 32 is generally the same as the height of the axis of the guide groove 221.
In order to ensure that the U-shaped wheel 32 can still be abutted against the straight pipe to be bent after the bending diameter of the guide assembly 2 is adjusted, the position of the U-shaped wheel 32 on the workbench 1 is adjustable, and the position of the guide assembly 2 on the workbench 1 is relatively fixed, namely the position of the U-shaped wheel 32 relative to the guide assembly 2 is adjustable.
The clamping assembly 4 is used for clamping a straight pipe to be bent, and the specific types, the number and the sizes of the clamping assemblies 4 are determined according to the actual production requirements with reference to the prior art, and are not repeated herein.
When in use, the diameter of the outer periphery of the guide component 2 is firstly adjusted to meet the bending requirement; adjusting the position of the clamping assembly 4 to be located in the axial direction of the guide groove 221 of the guide assembly 2; the position of the U-shaped wheel 32 is adjusted, so that the U-shaped wheel 32 is positioned in the tangential direction of the guide groove 221 of the guide assembly 2; then, the position of the clamping assembly 4 is adjusted to be positioned in the tangential direction of the guide groove 221 of the guide assembly 2; finally, one end of the straight pipe to be bent is clamped in the clamping assembly 4, and the other end of the straight pipe is arranged between the guide groove 221 of the guide assembly 2 and the U-shaped wheel 32 of the bent pipe assembly 3; and finally, the bent pipe assembly 3 is rotated to rotate in the direction approaching the guide assembly 2, the U-shaped wheel 32 is utilized to force the straight pipe to move in the direction approaching the guide groove 221 until the straight pipe is attached to the guide groove 221, and the bending of the straight pipe is completed.
In this embodiment, the guiding component 2 is used to control the bending diameter of the straight pipe, and the diameter of the outer peripheral part of the guiding component 2 is adjustable, so that the bending diameter of the tooling of the bent pipe is adjustable, the operation is simple, the applicability is strong, and a large number of dies or automatic equipment are not required to be configured, thereby greatly reducing the bending cost.
On the basis of the above embodiment, the structure of the guide assembly 2 is defined, and the guide assembly 2 may include a mandrel 21, a plurality of guide plates 22 provided with guide grooves 221, and an adjusting assembly for connecting the mandrel 21 and the guide plates 22, where the guide plates 22 are uniformly distributed along the circumferential direction of the mandrel 21, and the horizontal length of the adjusting assembly in the horizontal plane is adjustable.
Referring to fig. 3, the guide plates 22 are uniformly distributed along the circumferential direction of the mandrel 21, and the distance from the axis of the guide groove 221 of the guide plate 22 to the axis of the mandrel 21 is the bending diameter of the guide assembly 2; the guide plate 22 is connected to the outer peripheral portion of the spindle 21 by an adjustment assembly so as to adjust the distance of the guide plate 22 from the axis of the spindle 21.
When the horizontal length of the adjusting component is increased, the adjusting component drives the guide plate 22 to expand outwards, and the distance from the guide plate 22 to the axis of the mandrel 21 is increased, so that the bending diameter of the guide component 2 is increased; conversely, when the horizontal length of the adjustment assembly is reduced, the adjustment assembly drives the guide plate 22 to retract inwardly, and the distance from the guide plate 22 to the axis of the mandrel 21 is reduced, so that the bending diameter of the guide assembly 2 is reduced.
In order to facilitate adjustment of the distance between the guide plates 22 and the axis of the mandrel 21, a certain distance is required between two adjacent guide plates 22, so as to avoid collision when the guide plates 22 retract inwards. The number of the guide plates 22 and the distance between two adjacent guide plates 22 are determined according to the design adjustment range of the bending diameter, and will not be described herein.
The adjusting component can be set as a telescopic rod component and can be set as a connecting rod component as shown in fig. 2, and the specific structure and the specific size of the adjusting component are determined according to actual production requirements and are not repeated here.
In this embodiment, adjust the horizontal length of adjusting part, but the bending diameter of adjusting guide assembly 2, adjust portably, be convenient for the operation, labour saving and time saving.
On the basis of the above embodiment, the structure of the adjusting assembly is defined, the adjusting assembly includes an adjusting ring sleeve 23 and a bottom fixing ring 24 which are all sleeved outside the mandrel 21, and the adjusting ring sleeve 23 can move along the axis direction of the mandrel 21;
the periphery of the adjusting ring 23 is uniformly provided with ring fixing plates 231 which are in one-to-one correspondence with the guide plates 22, and a first connecting plate 25 and a second connecting plate 26 are arranged between the ring fixing plates 231 and the corresponding guide plates 22;
both ends of the first connecting plate 25 are respectively hinged with the loop fixing plate 231 and the guide plate 22, and both ends of the second connecting plate 26 are respectively hinged with the loop fixing plate 231 and the guide plate 22;
a third connecting plate 27 is arranged between the middle section of the second connecting plate 26 and the bottom fixing ring 24, and two ends of the third connecting plate 27 are respectively hinged with the middle section of the second connecting plate 26 and the bottom fixing ring 24.
Referring to fig. 3, an adjusting ring 23 is sleeved outside the mandrel 21, and the adjusting ring 23 can move along the axial direction of the mandrel 21; the adjusting ring sleeve 23 and the mandrel 21 can be in sliding connection or in threaded connection.
When the adjustment collar 23 is slidably coupled to the mandrel 21, a fastener for fixing the height of the adjustment collar 23 may be provided, and the fastener may be a common fastener such as a fastening bolt or a fixing pin.
In order to facilitate the connection between the first connection plate 25 and the second connection plate 26, a plurality of ring fixing plates 231 are uniformly disposed on the outer circumference of the adjusting ring 23 along the circumferential direction, and a guide plate fixing plate 222 is disposed on one end of the guide plate 22, which is relatively close to the mandrel 21.
The collar fixing plate 231 and the guide plate fixing plate 222 may be provided as long plate members as shown in fig. 3 so as to be simultaneously connected with the first connection plate 25 and the second connection plate 26; it is also possible to hinge the first and second connection plates 25 and 26, respectively, from two shorter plate-like structures, as in the fixed support 241 of fig. 3.
Preferably, in order to enhance the connection stability of the first connection plate 25, one end of the first connection plate 25 may be pivoted to the collar fixing plate 231, and the other end of the first connection plate 25 may be pivoted to the guide plate fixing plate 222.
When the adjusting collar 23 descends along the axial direction of the spindle 21, the height of the hinge point of the collar fixing plate 231 and the second connecting plate 26 descends, while the height of the hinge point of the bottom fixing ring 24 and the third connecting plate 27 does not change, so that the third connecting plate 27 rotates to one side far away from the axial direction of the spindle 21, and the first connecting plate 25 and the second connecting plate 26 drive the guide plate 22 to expand outwards.
On the contrary, when the adjusting collar 23 moves upward along the axial direction of the spindle 21, the third connecting plate 27 rotates to the side close to the axial direction of the spindle 21, and the first connecting plate 25 and the second connecting plate 26 drive the guide plate 22 to retract inward.
In this embodiment, the movement of the adjusting collar 23 along the axial direction of the mandrel 21 can be converted into expansion or contraction of the guide plate 22 by the first connecting plate 25, the second connecting plate 26 and the third connecting plate 27, thereby changing the distance from the guide plate 22 to the axis of the mandrel 21, and finally realizing the adjustment of the bending diameter.
Preferably, the adjusting ring sleeve 23 is in threaded connection with the mandrel 21, and when the mandrel 21 rotates, the adjusting ring sleeve 23 moves along the axial direction of the mandrel 21, so that the adjusting device is simple in structure and convenient to adjust.
On the basis of the above embodiment, the structure of the clamping assembly 4 is defined, the clamping assembly 4 includes a first clamping block, a second clamping block and a quick clamp, the quick clamp is connected with the second clamping block relatively far away from the guiding assembly 2, and the quick clamp can move along the extending direction of the workbench 1 so as to drive the second clamping block relatively far away from or close to the first clamping block.
Referring to fig. 1, the first clamping block and the second clamping block are respectively provided with a clamping groove for clamping a straight pipe to be bent, and the sizes of the clamping grooves are determined according to the outer diameter of the straight pipe; the first clamping block is relatively close to the guide assembly 2, and the second clamping block is relatively far away from the guide assembly 2.
The specific structures and dimensions of the first clamping block, the second clamping block and the quick clamp are determined according to the actual production requirements by referring to the prior art, and are not described herein.
The workbench 1 is provided with a limiting chute 12, and the quick clamp is connected with the limiting chute 12 in a sliding manner and is connected with the second clamping block so as to drive the second clamping block to be relatively close to or far away from the first clamping block, thereby realizing clamping and dismounting of the straight pipe.
The number, shape and size of the limit sliding grooves 12 are determined according to the actual production requirements with reference to the prior art, and are not described herein.
On the basis of the above embodiment, the structure of the elbow assembly 3 is defined, the elbow assembly 3 includes a rotating plate 31 and a U-shaped wheel 32, and the U-shaped wheel 32 is slidably and fixedly arranged on the rotating plate 31;
the front end of the rotating plate 31 is provided with a bearing 34 for mounting a rotating pin, and the rotating plate 31 is hinged to the table 1 through the rotating pin.
Referring to fig. 1, a rotation pin hole 11 is provided at a corner of the table 1, and a rotation plate 31 is rotatably connected with the table 1 through a rotation pin; in order to reduce friction when the rotation plate 31 rotates relative to the table 1, a bearing 34 is provided between the rotation pin hole 11 and the rotation pin.
The rotating plate 31 is rotated, the rotating plate 31 can drive the U-shaped wheel 32 to rotate around the rotating pin, and the U-shaped wheel 32 is utilized to force the straight pipe to be bent to approach the guide groove 221 of the guide assembly 2 until the straight pipe is attached to the guide groove 221.
Preferably, the end of the rotation plate 31 opposite from the rotation pin is provided with a handle 35 to facilitate the rotation of the rotation plate 31 by a user. The specific kind and size of the handle 35 are determined according to the actual production requirements with reference to the prior art, and will not be described here again.
On the basis of the above embodiment, in order to realize the movement of the U-shaped wheel 32 relative to the workbench 1, the U-shaped wheel 32 may be disposed on the raised anti-skid block 33, the rotating plate 31 is provided with a limiting groove for being clamped with the limiting protrusion of the raised anti-skid block 33, and the limiting groove is disposed along the extending direction of the rotating plate 31;
the upper end surface of the rotating plate 31 and the bottom surface of the heightening anti-skid block 33 are provided with anti-skid grooves so as to prevent the heightening anti-skid block 33 from moving relative to the rotating plate 31 when the straight pipe is bent.
Referring to fig. 1, the raised anti-skid block 33 is a rectangular block, and a limiting protrusion is arranged on the bottom surface of the raised anti-skid block 33 and is clamped in a limiting groove of the rotating plate 31; the bottom surface of the heightening anti-slip block 33 and the upper end surface of the rotating plate 31 are provided with saw-tooth-shaped clamping grooves or wave-shaped clamping grooves and other anti-slip grooves so as to prevent the heightening anti-slip block 33 from driving the U-shaped wheel 32 to slide relative to the rotating plate 31 when the rotating plate 31 rotates.
The U-shaped wheel 32 is connected to the top surface of the heightening anti-slip block 33 through a fastening bolt, and the fastening bolt sequentially passes through the through hole of the U-shaped wheel 32 and the through hole of the heightening anti-slip block 33 and then is connected with a fastening nut so as to tightly press the U-shaped wheel 32 on the rotating plate 31, so that the U-shaped wheel 32 can be further prevented from sliding relative to the rotating plate 31 in the bending process.
When the position of the U-shaped wheel 32 needs to be adjusted, the fastening nut is loosened, and the heightening anti-skid block 33 is lifted to a certain height, so that the anti-skid groove on the bottom surface of the heightening anti-skid block is separated from the anti-skid groove on the upper end surface of the rotating plate 31; the elevating anti-skid block 33 is pushed to slide along the limit groove until the U-shaped wheel 32 is adjusted to a proper position, and the nut is screwed and fastened, so that the U-shaped wheel 32 is pressed on the rotating plate 31.
It should be noted that the first connecting plate 25, the second connecting plate 26, and the third connecting plate 27 mentioned in the present document are only used to distinguish the difference in position, and the first, second, and third of the first and second clamping blocks are not limited to the sequence.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The bending tool with adjustable bending diameter provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (8)
1. The bending diameter-adjustable pipe bending tool is characterized in that a clamping assembly, a guide assembly for controlling the bending diameter and a pipe bending assembly are arranged on a workbench, a guide groove is formed in the outer periphery of the guide assembly, and the diameter of the outer periphery of the guide assembly is adjustable;
the bent pipe assembly is hinged with the workbench, the bent pipe assembly is provided with a U-shaped wheel for bending a straight pipe, one end of the straight pipe is clamped in the clamping assembly, and the other end of the straight pipe is arranged between the guide groove and the U-shaped wheel, so that the bent pipe assembly drives the U-shaped wheel to rotate in a direction close to the guide groove, and the straight pipe is attached to the guide groove;
the clamping assembly and the U-shaped wheel are both adjustable in position on the workbench.
2. The bending diameter-adjustable pipe bending tool according to claim 1, wherein the guide assembly comprises a mandrel, a plurality of guide plates provided with guide grooves and an adjusting assembly connected with the mandrel and the guide plates, the guide plates are uniformly distributed along the circumferential direction of the mandrel, and the horizontal length of the adjusting assembly in a horizontal plane is adjustable.
3. The tool for bending an elbow with adjustable diameter according to claim 2, wherein the adjusting assembly comprises an adjusting ring sleeve and a bottom fixing ring which are sleeved outside the mandrel, and the adjusting ring sleeve can move along the axis direction of the mandrel;
the periphery of the adjusting ring sleeve is uniformly provided with ring sleeve fixing plates which are in one-to-one correspondence with the guide plates, and a first connecting plate and a second connecting plate are arranged between the ring sleeve fixing plates and the corresponding guide plates;
two ends of the first connecting plate are respectively hinged with the annular sleeve fixing plate and the guide plate, and two ends of the second connecting plate are respectively hinged with the annular sleeve fixing plate and the guide plate;
a third connecting plate is arranged between the middle section of the second connecting plate and the bottom fixing ring, and two ends of the third connecting plate are respectively hinged with the middle section of the second connecting plate and the bottom fixing ring.
4. The tool for bending a pipe with adjustable diameter according to claim 3, wherein the adjusting collar is in threaded connection with the mandrel, and the adjusting collar moves along the axial direction of the mandrel when the mandrel rotates.
5. The adjustable diameter bend tooling of any one of claims 1-4 wherein the clamping assembly comprises a first clamping block, a second clamping block, and a quick clamp coupled to the second clamping block relatively remote from the guide assembly, the quick clamp being movable in the direction of extension of the table to move the second clamping block relatively away from or toward the first clamping block.
6. The adjustable diameter elbow tooling of any one of claims 1-4, wherein the elbow assembly comprises a rotating plate and the U-shaped wheel, the U-shaped wheel being slidably and fixedly disposed on the rotating plate;
the front end of the rotating plate is provided with a bearing for installing a rotating pin, and the rotating plate is hinged with the workbench through the rotating pin.
7. The bending tool with the adjustable bending diameter according to claim 6, wherein the U-shaped wheel is arranged on a heightening anti-skid block, the rotating plate is provided with a limiting groove for being clamped with a limiting protrusion of the heightening anti-skid block, and the limiting groove is arranged along the extending direction of the rotating plate;
the upper end face of the rotating plate and the bottom face of the heightening anti-skid block are both provided with anti-skid grooves, so that the heightening anti-skid block is prevented from moving relative to the rotating plate when the straight pipe is bent.
8. The tool for bending a pipe with an adjustable diameter according to claim 6, wherein a handle is arranged at one end of the rotating plate, which is relatively far away from the rotating pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320695376.3U CN219944377U (en) | 2023-03-31 | 2023-03-31 | Bending diameter-adjustable elbow fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320695376.3U CN219944377U (en) | 2023-03-31 | 2023-03-31 | Bending diameter-adjustable elbow fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219944377U true CN219944377U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320695376.3U Active CN219944377U (en) | 2023-03-31 | 2023-03-31 | Bending diameter-adjustable elbow fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219944377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531885A (en) * | 2024-01-03 | 2024-02-09 | 亚太轻合金(南通)科技有限公司 | Aluminum alloy pipe bending machine |
-
2023
- 2023-03-31 CN CN202320695376.3U patent/CN219944377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531885A (en) * | 2024-01-03 | 2024-02-09 | 亚太轻合金(南通)科技有限公司 | Aluminum alloy pipe bending machine |
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