CN111889547A - Bending machine - Google Patents

Bending machine Download PDF

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Publication number
CN111889547A
CN111889547A CN202010833698.0A CN202010833698A CN111889547A CN 111889547 A CN111889547 A CN 111889547A CN 202010833698 A CN202010833698 A CN 202010833698A CN 111889547 A CN111889547 A CN 111889547A
Authority
CN
China
Prior art keywords
bent
block
pipe
driving
pressing block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010833698.0A
Other languages
Chinese (zh)
Inventor
周永锋
俞科峰
俞朝红
吕永
周平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinchang Kaiming Refrigeration Fitting Co ltd
Original Assignee
Xinchang Kaiming Refrigeration Fitting Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinchang Kaiming Refrigeration Fitting Co ltd filed Critical Xinchang Kaiming Refrigeration Fitting Co ltd
Priority to CN202010833698.0A priority Critical patent/CN111889547A/en
Publication of CN111889547A publication Critical patent/CN111889547A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/04—Bending tubes using mandrels or the like the mandrel being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The application discloses crib crimper includes: a frame; the lower inserted bar is used for internally sleeving the pipe to be bent; the first driving element is arranged on the rack and used for driving the lower insertion rod to reciprocate; the lower pressing block is movably arranged on the rack; the second driving element is used for driving the lower pressing block to reciprocate; and the rotary bending mechanism is arranged on the rack and is used for bending the pipe to be bent. The bending machine is high in automation degree, the upper insertion rod can be automatically inserted into the pipe to be bent through the third driving element, the pipe to be bent can be limited through the cooperation of the lower pressing block, the upper pressing block and the limiting block, and the pipe can be bent to a set angle after the rotating element drives the rotating frame to rotate.

Description

Bending machine
Technical Field
The invention relates to the field of machining equipment, in particular to a bending machine.
Background
The existing copper pipe bending equipment has low automation degree, and needs to manually insert the stay bar into the copper pipe to be bent and then perform bending operation.
Disclosure of Invention
The invention provides a bending machine aiming at the problems.
The technical scheme adopted by the invention is as follows:
a bending machine, comprising:
a frame;
the lower inserted bar is used for internally sleeving the pipe to be bent;
the first driving element is arranged on the rack and used for driving the lower insertion rod to reciprocate;
the lower pressing block is movably arranged on the rack;
the second driving element is used for driving the lower pressing block to move in a reciprocating manner; and
the rotary bending mechanism is arranged on the rack and is used for bending the pipe to be bent;
the rotary bending mechanism comprises:
the rotating frame is rotatably arranged on the rack;
the rotating element is used for driving the rotating frame to rotate;
the upper inserting rod is movably arranged on the rotating frame and used for being inserted into the upper part of the pipe to be bent;
the third driving element is used for driving the upper inserting rod to move up and down;
the limiting block is fixed on the rotating frame, and the lower pressing block is used for being matched with the limiting block to limit the lower part of the pipe to be bent;
the upper pressing block is movably arranged on the rotating frame;
and the fourth driving element is arranged on the rack and used for driving the upper pressing block to move, so that the upper pressing block is matched with the limiting block to limit the upper part of the pipe to be bent.
The application bending machine's theory of operation: sleeving the lower part of the pipe to be bent on the lower insertion rod, and driving the lower insertion rod and the pipe to be bent to move to one side of the limiting block by the operation of the first driving element; the third driving element works, and the upper insert rod is inserted into the upper part of the pipe to be bent; the second driving element and the fourth driving element work to enable the lower pressing block, the upper pressing block and the limiting block to be matched, so that the pipe to be bent is reliably limited; the rotating element works to drive the rotating element to rotate, the upper insertion rod, the limiting block and the upper pressing block rotate synchronously, and the lower pressing block and the lower insertion rod are kept still to finish the bending operation.
The bending machine is high in automation degree, the upper insertion rod can be automatically inserted into the pipe to be bent through the third driving element, the pipe to be bent can be limited through the cooperation of the lower pressing block, the upper pressing block and the limiting block, and the pipe can be bent to a set angle after the rotating element drives the rotating frame to rotate.
In one embodiment of the invention, the lower pressing block is provided with a strip-shaped groove matched with the pipe to be bent; the upper pressing block is also provided with a strip-shaped groove matched with the pipe to be bent; the limiting block is also provided with a strip-shaped groove matched with the pipe to be bent.
Can reliably inject tubular product through the cooperation of bar groove with waiting to bend tubular product, guarantee the effect of buckling.
In one embodiment of the invention, the limiting block is provided with an annular groove for assisting bending, the annular groove is arranged around the rotation axis of the rotating frame, and one end of the strip-shaped groove of the limiting block is butted with the annular groove.
The bending effect can be effectively ensured by arranging the annular groove.
In one embodiment of the present invention, the cross section of the strip-shaped groove is arc-shaped.
In one embodiment of the invention, one end of the strip-shaped groove of the limiting block is in tangential butt joint with the annular groove; the cross section of the strip-shaped groove is semicircular.
In one embodiment of the present invention, the rotating element is a servo motor, a rotating cylinder or a rotating hydraulic cylinder.
In one embodiment of the present invention, the first driving element, the second driving element, the third driving element and the fourth driving element are cylinders.
In one embodiment of the invention, the device further comprises a movable block which is slidably arranged on the rack, the lower insertion rod is movably arranged on the movable block, and the movable block is also provided with a lifting cylinder which is used for controlling the lower insertion rod to move up and down; the first driving element is connected with the movable block and drives the movable block to move in a reciprocating mode.
The position of the lower inserted rod can be adjusted through the lifting cylinder, and the lower inserted rod can be adapted to pipes with different lengths.
In one embodiment of the present invention, the rotating frame has an adjusting assembly, the upper pressing block is mounted on the adjusting assembly, and the fourth driving element is configured to drive the adjusting assembly to move; the adjustment assembly includes:
the mounting seat is provided with an anti-drop chute;
the sliding block is provided with an anti-falling part, the anti-falling part is arranged in the anti-falling sliding groove in a sliding mode, the upper pressing block is detachably arranged on the sliding block, and the sliding block is also provided with an anti-falling groove;
adjusting the screw rod; the adjusting screw rod is screwed on the mounting seat, one end of the adjusting screw rod is embedded into the anti-slip groove, and the position of the sliding block in the anti-slip groove can be adjusted by rotating the adjusting screw rod;
and the locking nut is screwed on the adjusting screw rod and used for locking and fixing the adjusting screw rod and the mounting seat after the adjusting screw rod is adjusted in place.
The position of the sliding block can be changed through the adjusting assembly, the position of the upper pressing block can be changed, the adjusting assembly is convenient to debug during actual use, and the upper pressing blocks of different materials or sizes can be replaced according to needs.
In an embodiment of the present invention, the frame includes an upper plate, the upper plate has a strip-shaped hole penetrating vertically, the first driving element is located below the upper plate, and the lower insertion rod passes through the strip-shaped hole; the second driving element is fixed on the upper surface of the upper plate. By the arrangement, the whole structure can be compact.
The invention has the beneficial effects that: the bending machine is high in automation degree, the upper insertion rod can be automatically inserted into the pipe to be bent through the third driving element, the pipe to be bent can be limited through the cooperation of the lower pressing block, the upper pressing block and the limiting block, and the pipe can be bent to a set angle after the rotating element drives the rotating frame to rotate.
Description of the drawings:
FIG. 1 is a schematic view of a bender construction;
FIG. 2 is an exploded view of the adjustment assembly;
fig. 3 is a partial exploded view of the bender.
The figures are numbered:
1. a frame; 2. a lower inserted link; 3. a first drive element; 4. pressing the block; 5. a second drive element; 6. a rotary bending mechanism; 7. a rotating frame; 8. a rotating element; 9. an upper insertion rod; 10. a third drive element; 11. a limiting block; 12. pressing the blocks; 13. a fourth drive element; 14. a strip-shaped groove; 15. an annular groove; 16. a movable block; 17. a lifting cylinder; 18. an adjustment assembly; 19. a mounting seat; 20. an anti-drop chute; 21. a slider; 22. an anti-drop part; 23. a drop-proof groove; 24. adjusting the screw rod; 25. locking the nut; 26. an upper plate; 27. and (4) strip-shaped holes.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a bending machine includes:
a frame 1;
the lower inserted bar 2 is used for being sleeved on the pipe to be bent;
the first driving element 3 is arranged on the frame 1 and used for driving the lower inserted link 2 to reciprocate;
the lower pressing block 4 is movably arranged on the rack 1;
the second driving element 5 is used for driving the lower pressing block 4 to reciprocate; and
the rotary bending mechanism 6 is arranged on the rack 1 and is used for bending the pipe to be bent;
the rotary bending mechanism 6 includes:
the rotating frame 7 is rotatably arranged on the rack 1;
the rotating element 8 is used for driving the rotating frame 7 to rotate;
the upper inserting rod 9 is movably arranged on the rotating frame 7, and the upper inserting rod 9 is used for being inserted into the upper part of the pipe to be bent;
a third driving element 10 for driving the upper insert rod 9 to move up and down;
the limiting block 11 is fixed on the rotating frame 7, and the lower pressing block 4 is used for being matched with the limiting block 11 to limit the lower part of the pipe to be bent;
the upper pressing block 12 is movably arranged on the rotating frame 7;
and the fourth driving element 13 is installed on the frame 1 and is used for driving the upper pressing block 12 to move, so that the upper pressing block 12 is matched with the limiting block 11 to limit the upper part of the pipe to be bent.
The application bending machine's theory of operation: sleeving the lower part of the pipe to be bent on the lower insertion rod 2, and driving the lower insertion rod 2 and the pipe to be bent to move to one side of the limiting block 11 by the operation of the first driving element 3; the third driving element 10 works, and the upper insert rod 9 is inserted into the upper part of the pipe to be bent; the second driving element 5 and the fourth driving element 13 work to enable the lower pressing block 4 and the upper pressing block 12 to be matched with the limiting block 11, so that the pipe to be bent is reliably limited; the rotating element 8 works to drive the rotating element to rotate, the upper inserting rod 9, the limiting block 11 and the upper pressing block 12 rotate synchronously, and the lower pressing block 4 and the lower inserting rod 2 are kept still to finish the bending operation.
The bending machine is high in automation degree, the upper insertion rod 9 can be automatically inserted into a pipe to be bent through the third driving element 10, the pipe to be bent can be limited through the cooperation of the lower pressing block 4, the upper pressing block 12 and the limiting block 11, and the pipe can be bent to a set angle after the rotating element 8 drives the rotating frame 7 to rotate.
As shown in fig. 1, in the present embodiment, the lower press block 4 has a strip-shaped groove 14 matched with the pipe to be bent; the upper pressing block 12 is also provided with a strip-shaped groove 14 matched with the pipe to be bent; the stop block 11 also has a strip-shaped groove 14 matched with the pipe to be bent. Can reliably inject tubular product through bar groove 14 with the tubular product cooperation of waiting to bend, guarantee the effect of buckling.
In this embodiment, the limiting block 11 has an annular groove 15 for assisting bending, the annular groove 15 is disposed around the rotation axis of the rotating frame 7, and one end of the strip-shaped groove 14 of the limiting block 11 is butted against the annular groove 15. The bending effect can be effectively ensured by arranging the annular groove 15.
In the present embodiment, the cross section of the strip groove 14 is arc-shaped. One end of a strip-shaped groove 14 of the limiting block 11 is in tangential butt joint with the annular groove 15; the strip-shaped groove 14 is semicircular in cross section.
In actual use, the rotating element 8 is a servo motor, a rotating cylinder or a rotating hydraulic cylinder.
In the present embodiment, the first driving element 3, the second driving element 5, the third driving element 10 and the fourth driving element 13 are cylinders. In practical applications, the air cylinder may directly drive the corresponding component, or may drive the corresponding component through a transmission structure, as shown in fig. 3, the fourth driving element 13 in this embodiment drives the adjusting assembly 18 to move through the transmission structure.
As shown in fig. 1, in this embodiment, the device further includes a movable block 16 slidably disposed on the frame 1, the lower insertion rod 2 is movably disposed on the movable block 16, a lifting cylinder 17 is further mounted on the movable block 16, and the lifting cylinder 17 is used for controlling the lower insertion rod 2 to move up and down; the first driving element 3 is connected to the movable block 16 to drive the movable block 16 to reciprocate.
The position of the lower insertion rod 2 can be adjusted through the lifting cylinder 17, and the lower insertion rod can be adapted to pipes with different lengths.
As shown in fig. 1 and 2, in the present embodiment, the rotating frame 7 has an adjusting assembly 18 thereon, the upper pressing block 12 is mounted on the adjusting assembly 18, and the fourth driving element 13 is used for driving the adjusting assembly 18 to move; the adjustment assembly 18 includes:
a mounting base 19 having a slip-off preventing chute 20;
the sliding block 21 is provided with an anti-falling part 22, the anti-falling part 22 is arranged in the anti-falling sliding groove 20 in a sliding mode, the upper pressing block 12 is detachably arranged on the sliding block 21, and the sliding block 21 is further provided with an anti-falling groove 23;
an adjusting screw 24; the adjusting screw 24 is screwed on the mounting base 19, one end of the adjusting screw 24 is embedded into the anti-falling groove 23, and the position of the sliding block 21 in the anti-falling sliding groove 20 can be adjusted by rotating the adjusting screw 24;
and the locking nut 25 is screwed on the adjusting screw rod 24 and is used for locking and fixing the adjusting screw rod 24 and the mounting seat 19 after the adjusting screw rod 24 is adjusted in place.
The position of the sliding block 21 can be changed through the adjusting component 18, namely the position of the upper pressing block 12 can be changed, so that the adjustment is convenient during actual use, and the upper pressing block 12 made of different materials or sizes can be replaced according to requirements.
As shown in fig. 1, in the present embodiment, the frame 1 includes an upper plate 26, the upper plate 26 has a strip-shaped hole 27 penetrating up and down, the first driving element 3 is located below the upper plate 26, and the lower insert rod 2 passes through the strip-shaped hole 27; the second drive element 5 is fixed to the upper surface of the upper plate 26. By the arrangement, the whole structure can be compact.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.

Claims (10)

1. A bending machine, comprising:
a frame;
the lower inserted bar is used for internally sleeving the pipe to be bent;
the first driving element is arranged on the rack and used for driving the lower insertion rod to reciprocate;
the lower pressing block is movably arranged on the rack;
the second driving element is used for driving the lower pressing block to move in a reciprocating manner; and
the rotary bending mechanism is arranged on the rack and is used for bending the pipe to be bent;
the rotary bending mechanism comprises:
the rotating frame is rotatably arranged on the rack;
the rotating element is used for driving the rotating frame to rotate;
the upper inserting rod is movably arranged on the rotating frame and used for being inserted into the upper part of the pipe to be bent;
the third driving element is used for driving the upper inserting rod to move up and down;
the limiting block is fixed on the rotating frame, and the lower pressing block is used for being matched with the limiting block to limit the lower part of the pipe to be bent;
the upper pressing block is movably arranged on the rotating frame;
and the fourth driving element is arranged on the rack and used for driving the upper pressing block to move, so that the upper pressing block is matched with the limiting block to limit the upper part of the pipe to be bent.
2. The bending machine according to claim 1, wherein the lower press block has a strip-shaped groove which is matched with the pipe to be bent; the upper pressing block is also provided with a strip-shaped groove matched with the pipe to be bent; the limiting block is also provided with a strip-shaped groove matched with the pipe to be bent.
3. The bending machine according to claim 2, wherein the stopper has an annular groove for assisting bending, the annular groove is disposed around a rotation axis of the rotating frame, and one end of the strip-shaped groove of the stopper is butted against the annular groove.
4. The bender according to claim 3, wherein the cross-section of the strip-shaped groove is arcuate.
5. The bending machine according to claim 4, wherein one end of the strip-shaped groove of the limiting block is in tangential butt joint with the annular groove; the cross section of the strip-shaped groove is semicircular.
6. The bending machine of claim 1, wherein the rotating element is a servo motor, a rotary cylinder, or a rotary hydraulic cylinder.
7. The bender according to claim 1, wherein said first, second, third and fourth drive elements are air cylinders.
8. The bending machine according to claim 1, further comprising a movable block slidably disposed on the frame, wherein the lower insertion rod is movably disposed on the movable block, and a lifting cylinder is further mounted on the movable block and used for controlling the lower insertion rod to move up and down; the first driving element is connected with the movable block and drives the movable block to move in a reciprocating mode.
9. The bending machine according to claim 1, wherein the rotating frame is provided with an adjusting assembly, the upper pressing block is mounted on the adjusting assembly, and the fourth driving element is used for driving the adjusting assembly to move; the adjustment assembly includes:
the mounting seat is provided with an anti-drop chute;
the sliding block is provided with an anti-falling part, the anti-falling part is arranged in the anti-falling sliding groove in a sliding mode, the upper pressing block is detachably arranged on the sliding block, and the sliding block is also provided with an anti-falling groove;
adjusting the screw rod; the adjusting screw rod is screwed on the mounting seat, one end of the adjusting screw rod is embedded into the anti-slip groove, and the position of the sliding block in the anti-slip groove can be adjusted by rotating the adjusting screw rod;
and the locking nut is screwed on the adjusting screw rod and used for locking and fixing the adjusting screw rod and the mounting seat after the adjusting screw rod is adjusted in place.
10. The bender according to claim 1, wherein said frame includes an upper plate having a slotted hole extending therethrough, said first drive element being located below said upper plate, said lower insert rod passing through said slotted hole; the second driving element is fixed on the upper surface of the upper plate.
CN202010833698.0A 2020-08-18 2020-08-18 Bending machine Pending CN111889547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010833698.0A CN111889547A (en) 2020-08-18 2020-08-18 Bending machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010833698.0A CN111889547A (en) 2020-08-18 2020-08-18 Bending machine

Publications (1)

Publication Number Publication Date
CN111889547A true CN111889547A (en) 2020-11-06

Family

ID=73229645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010833698.0A Pending CN111889547A (en) 2020-08-18 2020-08-18 Bending machine

Country Status (1)

Country Link
CN (1) CN111889547A (en)

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