CN218191878U - Double-head clamping mechanism of small-sized spiral pipe bender - Google Patents
Double-head clamping mechanism of small-sized spiral pipe bender Download PDFInfo
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- CN218191878U CN218191878U CN202222550138.1U CN202222550138U CN218191878U CN 218191878 U CN218191878 U CN 218191878U CN 202222550138 U CN202222550138 U CN 202222550138U CN 218191878 U CN218191878 U CN 218191878U
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- connecting rod
- clamping
- hinged
- sliding block
- arm
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Abstract
The utility model discloses a double-end clamping mechanism of a small-sized spiral pipe bender with simple structure and stable clamping, which comprises a pipe bending arm, wherein the pipe bending arm is movably provided with a pair of pipe bending wheel moulds, the outer side of the pipe bending arm is provided with a pair of slide rail components in parallel, the slide rail components are provided with clamping sliders, the clamping sliders are detachably provided with clamping moulds, a middle slider moving along the length direction of the slide rail components is arranged in the middle position of the connecting line of the two slide rail components in the pipe bending arm, the pipe bending arm is provided with a power device for driving the middle slider to move, two sides of the middle slider are respectively hinged with a middle connecting rod, the end part of the middle connecting rod is hinged with a front connecting rod, and the other end of the front connecting rod is hinged with the clamping sliders; a rear connecting rod is hinged to a straight line which penetrates through the hinged point of the front connecting rod and the clamping slide block and is parallel to the slide rail assembly, and the other end of the rear connecting rod is hinged to the hinged position of the middle connecting rod and the front connecting rod.
Description
Technical Field
The utility model relates to a double-end clamping mechanism of small-size spiral bending machine.
Background
When the pipe is bent, the pipe bending arm needs to drive the clamping device for clamping the pipe to rotate together. The elbow arm is provided with an elbow wheel die and a clamping slide block, the clamping slide block is detachably provided with a clamping die, the driving device drives the clamping slide block to move towards the wheel die and clamp a workpiece together with the wheel die in the elbow processing process, and the clamping reliability directly determines the elbow quality during elbow operation. Meanwhile, since the elbow arm is a moving part, not only the installation space of parts such as a driving device and the like needs to be considered, but also the parts need to be ensured not to interfere with other parts in the moving process.
Disclosure of Invention
The utility model aims to solve the technical problem that: the double-head clamping mechanism of the small spiral pipe bender has a simple structure and is stable in clamping.
For solving the technical problem, the utility model discloses the technical scheme who adopts does: a double-end clamping mechanism of a small spiral pipe bending machine comprises a pipe bending arm, wherein a pair of pipe bending wheel molds are movably arranged on the pipe bending arm, a pair of slide rail assemblies are arranged on the outer side of the pipe bending arm in parallel, a clamping slide block is arranged on each slide rail assembly, the clamping mold is detachably arranged on each clamping slide block, a middle slide block moving along the length direction of each slide rail assembly is arranged in the middle of the connecting line of the two slide rail assemblies in the pipe bending arm, a power device for driving the middle slide block to move is arranged on the pipe bending arm, a middle connecting rod is hinged to each of two sides of each middle slide block, a front connecting rod is hinged to the end part of each middle connecting rod, and the other end of each front connecting rod is hinged to the clamping slide block; a rear connecting rod is hinged to a straight line which passes through the hinge point of the front connecting rod and the clamping slide block and is parallel to the slide rail assembly in the bent pipe arm, and the other end of the rear connecting rod is hinged to the hinge point of the middle connecting rod and the front connecting rod; the middle sliding block moves to enable the front connecting rod to drive the clamping sliding block to slide along the sliding rail assembly, and the clamping die and the pipe bending wheel die are matched to clamp the pipe when the middle connecting rod, the front connecting rod and the rear connecting rod move to positions parallel to the sliding rail assembly.
Preferably, the power device is a cylinder or an oil cylinder.
As a preferred scheme, a middle guide rail is arranged in the bent pipe arm, and the middle sliding block is movably clamped on the middle guide rail.
As a preferable scheme, a pair of middle guide rails arranged oppositely is arranged on the elbow arm, and the middle sliding block is movably clamped between the two middle guide rails through clamping grooves respectively arranged on two side surfaces perpendicular to the front connecting rod mounting surface.
As a preferred scheme, the slide rail assembly comprises a base connected with the elbow arm and two rails arranged on the base in parallel, and two sliding grooves matched with each other are arranged on the clamping sliding block.
The beneficial effects of the utility model are that: the middle sliding block moving along the length direction of the sliding rail assembly is arranged in the middle position of the connecting line of the two sliding rail assemblies in the bent pipe arm, the bent pipe arm is provided with a power device for driving the middle sliding block to move, two sides of the middle sliding block are respectively hinged with a middle connecting rod, the end part of each middle connecting rod is hinged with a front connecting rod, and the other end of each front connecting rod is hinged with a clamping sliding block; a rear connecting rod is hinged to a straight line which passes through the hinge point of the front connecting rod and the clamping slide block and is parallel to the slide rail assembly in the bent pipe arm, and the other end of the rear connecting rod is hinged to the hinge point of the middle connecting rod and the front connecting rod; the middle sliding block moves to enable the front connecting rod to drive the clamping sliding block to slide along the sliding rail assembly, and the clamping die and the pipe bending wheel die are matched to clamp the pipe when the middle connecting rod, the front connecting rod and the rear connecting rod move to positions parallel to the sliding rail assembly. The integral driving structure is simple, the required space is small, the locking can be realized during pipe bending, and the pipe bending machine is suitable for small double-head pipe bending machines.
Because be equipped with the middle part guide rail in the bent pipe arm, middle slider activity card is established on the middle part guide rail for the slip of middle part slider is more smooth and easy.
Because the elbow arm is provided with a pair of oppositely arranged middle guide rails, the middle sliding block is movably clamped between the two middle guide rails through the clamping grooves respectively arranged on the two side surfaces perpendicular to the front connecting rod mounting surface, so that the sliding of the middle sliding block is more stable.
The sliding rail assembly comprises a base connected with the elbow arm and two rails arranged on the base in parallel, and two sliding grooves matched with each other are formed in the clamping sliding block, so that the clamping sliding block can slide more stably.
Drawings
Fig. 1 is a schematic view of the structure (clamping state) of the present invention.
Fig. 2 is a schematic view of the structure of the present invention (open state).
Fig. 3 is a perspective view of a part of the components of the present invention.
In the figure: the device comprises a 1 bent pipe arm, a 2 bent pipe wheel die, a 3 sliding rail assembly, a 31 base, a 32 track, a 4 clamping sliding block, a 5 clamping die, a 6 middle sliding block, a 7 middle guide rail, an 8 power device, a 9 middle connecting rod, a 10 front connecting rod and an 11 rear connecting rod.
Detailed Description
The following describes in detail a specific embodiment of the present invention with reference to the drawings.
As shown in fig. 1-3, a double-head clamping mechanism of a small spiral pipe bending machine includes a pipe bending arm 1, a pair of pipe bending wheel molds 2 is movably disposed on the pipe bending arm 1, a pair of slide rail assemblies 3 is disposed on the outer side of the pipe bending arm 1 in parallel, a clamping slider 4 is disposed on the slide rail assemblies 3, the slide rail assemblies 3 include a base 31 connected with the pipe bending arm 1 and two rails 32 disposed on the base 31 in parallel, and two sliding chutes matched with each other are disposed on the clamping slider 4.
Detachably is equipped with the tight mould 5 of clamp on the tight slider 4, is equipped with the middle slider 6 along 3 length direction motions of sliding rail set in the bent pipe arm 1 in two sliding rail set 3 line intermediate position departments, be equipped with a pair of mutual disposition's middle part guide rail 7 on the bent pipe arm 1, the draw-in groove activity card that middle slider 6 set up respectively on two sides through the connecting rod 10 installation face before the perpendicular to is established between two middle part guide rails 7. And a power device 8 for driving the middle slide block 6 to move is arranged on the bent pipe arm 1, and the power device 8 is an air cylinder or an oil cylinder.
Two sides of the middle sliding block 6 are respectively hinged with a middle connecting rod 9, the end part of the middle connecting rod 9 is hinged with a front connecting rod 10, and the other end of the front connecting rod 10 is hinged with the clamping sliding block 4; a rear connecting rod 11 is hinged to a straight line which passes through a hinge point of the front connecting rod 10 and the clamping slide block 4 and is parallel to the slide rail assembly 3 in the bent pipe arm 1, and the other end of the rear connecting rod 11 is hinged to a hinge point of the middle connecting rod 9 and the front connecting rod 10; the middle sliding block 6 moves to enable the front connecting rod 10 to drive the clamping sliding block 4 to slide along the sliding rail component 3, and the clamping die 5 is matched with the pipe bending wheel die 2 to clamp a pipe when the middle connecting rod 9, the front connecting rod 10 and the rear connecting rod 11 move to positions parallel to the sliding rail component 3.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several changes and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. The utility model provides a double-end clamping mechanism of small-size spiral bending machine, includes the return bend arm, and the activity is equipped with a pair of return bend wheel mould on the return bend arm, and the return bend arm outside is equipped with a pair of slide rail set spare side by side, is equipped with on the slide rail set spare and presss from both sides tight slider, presss from both sides detachably and is equipped with and presss from both sides tight mould, its characterized in that on the tight slider of clamp: a middle sliding block moving along the length direction of the sliding rail assembly is arranged in the middle position of the connecting line of the two sliding rail assemblies in the bent pipe arm, a power device for driving the middle sliding block to move is arranged on the bent pipe arm, two sides of the middle sliding block are respectively hinged with a middle connecting rod, the end part of each middle connecting rod is hinged with a front connecting rod, and the other end of each front connecting rod is hinged with a clamping sliding block; a rear connecting rod is hinged to a straight line which passes through the hinge point of the front connecting rod and the clamping slide block and is parallel to the slide rail assembly in the bent pipe arm, and the other end of the rear connecting rod is hinged to the hinge point of the middle connecting rod and the front connecting rod; the middle sliding block moves to enable the front connecting rod to drive the clamping sliding block to slide along the sliding rail assembly, and the clamping die and the pipe bending wheel die are matched to clamp the pipe when the middle connecting rod, the front connecting rod and the rear connecting rod move to positions parallel to the sliding rail assembly.
2. The double-headed clamping mechanism of a compact spiral bender according to claim 1, wherein: the power device is a cylinder or an oil cylinder.
3. The double-headed clamping mechanism of a compact helical bender according to claim 2, wherein: a middle guide rail is arranged in the bent pipe arm, and the middle sliding block is movably clamped on the middle guide rail.
4. The double-headed clamping mechanism of a compact spiral bender according to claim 3, wherein: the elbow arm is provided with a pair of oppositely arranged middle guide rails, and the middle sliding block is movably clamped between the two middle guide rails through clamping grooves respectively arranged on two side surfaces perpendicular to the front connecting rod mounting surface.
5. The double-headed clamping mechanism of the small spiral bender according to claim 4, wherein: the sliding rail assembly comprises a base connected with the elbow arm and two rails arranged on the base in parallel, and two sliding grooves matched with each other are formed in the clamping sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222550138.1U CN218191878U (en) | 2022-09-26 | 2022-09-26 | Double-head clamping mechanism of small-sized spiral pipe bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222550138.1U CN218191878U (en) | 2022-09-26 | 2022-09-26 | Double-head clamping mechanism of small-sized spiral pipe bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218191878U true CN218191878U (en) | 2023-01-03 |
Family
ID=84638489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222550138.1U Active CN218191878U (en) | 2022-09-26 | 2022-09-26 | Double-head clamping mechanism of small-sized spiral pipe bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218191878U (en) |
-
2022
- 2022-09-26 CN CN202222550138.1U patent/CN218191878U/en active Active
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