CN218656517U - Pipe bending equipment - Google Patents

Abstract

The utility model relates to the technical field of pipe bending machines, in particular to a pipe bending device; the equipment layout is scientific and reasonable, the processing and forming of the small-caliber elbow can be finished once, and the processing efficiency of the small-caliber elbow is improved; the bending and cutting mechanism comprises a bending assembly and a cutting assembly, the rotary feeding mechanism comprises a feeding seat which is slidably mounted on the frame, a first mounting seat, a mounting cylinder which is rotatably mounted on the first mounting seat, a chuck which is mounted at the end part of the mounting cylinder and a first driving assembly which provides power for the feeding of the feeding seat, and a second driving assembly which provides power for the rotation of the mounting cylinder is mounted on the feeding seat; the first driving assembly comprises a driving motor, a rack and a gear, the driving motor is fixedly installed on the feeding seat, the rack is fixedly installed on the rack, the gear is fixedly installed at the output end of the driving motor, and the gear is meshed with the rack.

Description

Pipe bending equipment

Technical Field

The utility model relates to a technical field of bending machine especially relates to a return bend equipment.

Background

As is known, in the production process of small-caliber elbows, seamless steel pipes are mostly bent to be processed, that is, short and small straight pipe sections are bent to be elbow-shaped, and the pipe bending equipment is equipment for bending and processing long seamless steel pipes into elbows; the publication (announcement) number CN212857252U discloses a pipe bending machine convenient for pipe die replacement, which comprises a pipe bending machine body and a bending mechanism, wherein the bending mechanism comprises an elbow body, the elbow body is rotatably connected with the pipe bending machine body, one end of the top surface of the elbow body is fixedly connected with a fixing column, and the inner wall of the top end of the elbow body is fixedly connected with a fixing module. The utility model discloses in, through the setting of two-way lead screw and two splint, rotate two-way lead screw, make two splint draw close the clamping jig, the installation and the fixed of anchor clamps of being convenient for, through the setting of deciding the module, realize the height of adjustment bottom plate, make the breach centre of a circle height of anchor clamps should be unanimous with the pipe bending die breach centre of a circle height, thereby realize the alignment of anchor clamps and pipe bending die through the height of location bottom plate, avoid the height of manual regulation anchor clamps, increase the precision that anchor clamps and pipe bending die align, reduce the alignment deviation, be convenient for the change of anchor clamps; in the use, the straight pipe bending processing can be completed, after the long straight pipe is bent, the bent straight pipe needs to be moved to an external cutting device to cut a bent forming part, the operation flow is complex, the processing efficiency of the elbow is influenced, and certain use limitation is realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an equipment layout scientific and reasonable, the single machine-shaping of accomplishing tubule footpath elbow improves the return bend equipment of tubule footpath elbow machining efficiency.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the bending and cutting mechanism comprises a bending assembly and a cutting assembly, the rotary feeding mechanism comprises a feeding seat which is slidably mounted on the frame, a first mounting seat, a mounting cylinder which is rotatably mounted on the first mounting seat, a chuck which is mounted at the end part of the mounting cylinder and a first driving assembly which provides power for the feeding of the feeding seat, and a second driving assembly which provides power for the rotation of the mounting cylinder is mounted on the feeding seat; the first driving assembly comprises a driving motor, a rack and a gear, the driving motor is fixedly arranged on the feeding seat, the rack is fixedly arranged on the rack, the gear is fixedly arranged at the output end of the driving motor, and the gear is meshed with the rack; the first driving assembly can also adopt a driving motor and a threaded lead screw, the driving motor is fixedly arranged on the rack, the threaded lead screw is in threaded transmission connection with the feeding seat, and the output end of the driving motor is fixedly connected with the threaded lead screw; the first driving assembly can also adopt a driving cylinder; the second driving assembly comprises a driving motor and a synchronous belt, the driving motor is fixedly arranged on the first mounting seat, and the output end of the driving motor is in synchronous transmission connection with the mounting cylinder through the synchronous belt; the second driving assembly can also adopt a driving motor and a transmission gear assembly, the driving motor is fixedly arranged on the first mounting seat, and the output end of the driving motor is in synchronous transmission connection with the mounting cylinder through the transmission gear assembly.

The bending assembly comprises a second mounting seat, a rotary table rotatably mounted on the second mounting seat, a fixed die, an annular die fixedly mounted in the middle of the rotary table, a pressing die and a first driving cylinder, the fixed die is fixedly mounted on the second mounting seat, a third driving assembly for providing power for the rotation of the rotary table is mounted at the bottom of the first mounting seat, the first driving cylinder is fixedly mounted on the rotary table, the pressing die is fixedly mounted at the output end of the first driving cylinder, and semicircular die grooves corresponding to each other are formed in the fixed die, the annular die and the pressing die; the cutting assembly comprises a mechanical sliding table and a laser cutting head arranged on the mechanical sliding table, and the mechanical sliding table is fixedly arranged on the fixed die.

The first mounting seat is mounted on the feeding seat in a vertically sliding manner, and a second driving cylinder for providing power for the first mounting seat to move up and down is mounted on the feeding seat; furthermore, the inner diameters of the plurality of semicircular cavities are different.

Specifically, an inner support core rod is detachably mounted in the mounting cylinder, and the central axis of the inner support core rod is collinear with the central axis of the mounting cylinder; further, the inner support core rod is in threaded connection with the mounting cylinder.

The second mounting seat is slidably mounted on the rack, and a fourth driving assembly for providing power for the second mounting seat to move is mounted on the rack; the fourth driving assembly comprises a driving motor and a threaded lead screw, the driving motor is fixedly mounted on the rack, the threaded lead screw is in threaded transmission connection with the second mounting seat, and the output end of the driving motor is in threaded transmission connection with the threaded lead screw; the fourth driving assembly can also adopt a driving cylinder or a ball screw driving assembly to realize the front and back transverse movement of the second mounting seat.

(III) advantageous effects

Compared with the prior art, the utility model provides a return bend equipment possesses following beneficial effect: this return bend equipment, it is solid with the straight tube card through the chuck, rotate to feed feeding mechanism and carry out the propelling movement material loading with the straight tube, the end of waiting to bend of straight tube stretches into to the subassembly of bending in, second drive assembly drives the installation section of thick bamboo and rotates this moment, the straight tube rotates, cutting assembly carries out the circular cutting to the straight tube, through the subassembly of bending to the straight tube after the cutting process can, accomplish the bending machine-shaping of elbow and handle, equipment overall arrangement scientific and reasonable, the machine-shaping of small pipe diameter elbow is accomplished to the single, improves small pipe diameter elbow machining efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2 according to the present invention;

fig. 4 is a schematic top view of the present invention;

in the drawings, the reference numbers: 1. a frame; 2. a feeding seat; 3. a first mounting seat; 4. mounting the cylinder; 5. a chuck; 6. a first drive assembly; 7. a second drive assembly; 8. a second mounting seat; 9. a turntable; 10. fixing the mold; 11. an annular mold; 12. die pressing; 13. a first drive cylinder; 14. a semicircular die cavity; 15. a third drive assembly; 16. a mechanical sliding table; 17. a laser cutting head; 18. a second drive cylinder; 19. an inner supporting core rod; 20. a suction fan; 21. a fourth drive assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the pipe bending apparatus of the present invention includes a frame 1, a bending cutting mechanism and a rotary feeding mechanism, wherein the bending cutting mechanism includes a bending assembly and a cutting assembly, the rotary feeding mechanism includes a feeding base 2 slidably mounted on the frame 1, a first mounting base 3, a mounting cylinder 4 rotatably mounted on the first mounting base 3, a chuck 5 mounted on an end of the mounting cylinder 4, and a first driving assembly 6 for providing power for feeding the feeding base 2, and a second driving assembly 7 for providing power for rotating the mounting cylinder 4 is mounted on the feeding base 2; the first driving assembly 6 comprises a driving motor, a rack and a gear, the driving motor is fixedly arranged on the feeding seat 2, the rack is fixedly arranged on the rack 1, the gear is fixedly arranged at the output end of the driving motor, and the gear is meshed with the rack; the first driving assembly 6 can also adopt a driving motor and a threaded lead screw, the driving motor is fixedly arranged on the rack 1, the threaded lead screw is in threaded transmission connection with the feeding seat 2, and the output end of the driving motor is fixedly connected with the threaded lead screw; the first driving assembly 6 can also adopt a driving cylinder; the second driving assembly 7 comprises a driving motor and a synchronous belt, the driving motor is fixedly arranged on the first mounting seat 3, and the output end of the driving motor is connected with the mounting cylinder 4 through synchronous transmission of the synchronous belt; the second driving component 7 can also adopt a driving motor and a transmission gear component, the driving motor is fixedly arranged on the first mounting seat 3, and the output end of the driving motor is in synchronous transmission connection with the mounting cylinder 4 through the transmission gear component; the first driving component 6 drives the feeding seat 2 to move left and right along the rack 1, and the second driving component 7 drives the mounting cylinder 4 to rotate.

Specifically, the bending assembly comprises a second mounting seat 8, a rotary table 9 rotatably mounted on the second mounting seat 8, a fixed mold 10, an annular mold 11 fixedly mounted in the middle of the rotary table 9, a pressing mold 12 and a first driving cylinder 13, wherein the fixed mold 10 is fixedly mounted on the second mounting seat 8, a third driving assembly 15 for providing power for the rotation of the rotary table 9 is mounted at the bottom of the first mounting seat 3, the first driving cylinder 13 is fixedly mounted on the rotary table 9, the pressing mold 12 is fixedly mounted at the output end of the first driving cylinder 13, and semicircular mold grooves 14 corresponding to each other are formed in the fixed mold 10, the annular mold 11 and the pressing mold 12; the cutting assembly comprises a mechanical sliding table 16 and a laser cutting head 17 arranged on the mechanical sliding table 16, and the mechanical sliding table 16 is fixedly arranged on the fixed die 10; a speed reducing motor is preferably selected as the third driving assembly 15, a driving cylinder and a gear transmission assembly can also be adopted as the third driving assembly 15, the driving cylinder is fixedly arranged at the bottom of the second mounting seat 8, and the output end of the driving cylinder is in transmission connection with the rotary table 9 through the gear transmission assembly; initial state, moulding-die 12 and annular die 11 are in the off-state, and annular die 11 and the semicircular die cavity 14 on the fixed mould 10 enclose and close and be the annular die cavity, tentatively enter into the annular die cavity after the straight tube material loading, support the left end tip of straight tube, second drive assembly 7 drives installation section of thick bamboo 4 and rotates this moment, the straight tube rotates, mechanical slip table 16 drives laser cutting head 17 and moves down this moment, laser cutting head 17 carries out the circular cutting to the straight tube, the straight tube section after the cutting is located the annular die cavity, first driving cylinder 13 action, semicircular die cavity 14 on moulding-die 12 and the straight tube contact after cutting off, third drive assembly 15 drives carousel 9 and rotates this moment, the short straight tube after cutting off is buckled the shaping, in order to accomplish the processing of bending of short straight tube, can be according to elbow processing demand, control the angle of bending of elbow, in order to satisfy the processing demand of multi-angle elbow.

Specifically, a plurality of semicircular die cavities 14 are formed, the plurality of semicircular die cavities 14 are distributed on the fixed die 10, the annular die 11 and the pressing die 12 from top to bottom, the first mounting seat 3 is mounted on the feeding seat 2 in a vertically sliding manner, and a second driving cylinder 18 for providing power for the first mounting seat 3 to move up and down is mounted on the feeding seat 2; further, the plurality of semicircular cavities 14 have different inner diameters; the height of the first mounting seat 3 can be adjusted through the second driving cylinder 18 according to the pipe diameter of the straight pipe, so that the straight pipe is aligned with the semicircular die cavity 14 with the same diameter, the processing requirement of the multi-diameter elbow is met, and the applicability of the equipment is improved.

Specifically, an inner supporting core rod 19 is detachably mounted in the mounting cylinder 4, and the central axis of the inner supporting core rod 19 is collinear with the central axis of the mounting cylinder 4; further, the inner support core rod 19 is in threaded connection with the mounting cylinder 4; inside the inner support core bar 19 inserted the straight tube, the inner support core bar 19 supported the straight tube, avoided the straight tube to appear buckling under the action of gravity, provided the assurance for subsequent straight tube cutting and bending machining precision.

Specifically, the device further comprises a suction fan 20 fixedly installed on the rack 1, the second installation base 8 is slidably installed on the rack 1, and a fourth driving assembly 21 for providing power for the second installation base 8 to move is installed on the rack 1; the fourth driving assembly 21 comprises a driving motor and a threaded lead screw, the driving motor is fixedly mounted on the rack 1, the threaded lead screw is in threaded transmission connection with the second mounting seat 8, and the output end of the driving motor is in threaded transmission connection with the threaded lead screw; the fourth driving component 21 can also adopt a driving cylinder or a ball screw driving component to realize the front-back transverse movement of the second mounting seat 8; after the elbow is bent and formed, the temperature of the elbow is higher due to cutting operation and bending operation, the second mounting seat 8 is driven to move to the position of the suction fan 20 through the fourth driving assembly 21, and after the suction fan 20 is started, metal fragments and hot air at the position of the rotary table 9 are sucked and transported, so that the cooling time of the formed elbow is shortened, meanwhile, the accumulation of the metal fragments at the position of the rotary table 9 is reduced, and the position of the rotary table 9 is kept clean.

When the straight pipe bending device is used, a straight pipe is clamped through the chuck 5, the inner support core rod 19 is inserted into the straight pipe, the first driving assembly 6 drives the feeding seat 2 to feed to the bending cutting mechanism until the straight pipe is inserted into the semicircular die grooves 14 on the fixed die 10 and the annular die 11, the second driving assembly 7 drives the mounting cylinder 4 to rotate at the moment, the straight pipe rotates, the mechanical sliding table 16 drives the laser cutting head 17 to feed to the straight pipe to cut off the straight pipe, the output end of the first driving cylinder 13 extends at the moment, the straight pipe is pressed and covered in the semicircular die grooves 14 in the annular die 11 through the pressing die 12, the third driving assembly 15 drives the rotary table 9 to rotate, the cut straight pipe is bent and formed under the limiting effect of the fixed die 10, then the fourth driving assembly 21 acts, the second mounting seat 8 drives the forming elbow to move to the suction fan 20, the suction fan 20 cools the straight pipe, and the bent elbow subjected to air suction and forming is subjected to blanking.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest manner such that "on … …" means not only "directly on something", but also "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning of "above" or "above" something, but also the meaning of "above" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Furthermore, spatially relative terms, such as "below," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's illustrated relationship to another element or feature. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly as well.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (5)

1. A pipe bending device is characterized by comprising a rack (1), a bending and cutting mechanism and a rotary feeding and feeding mechanism;

the bending and cutting mechanism comprises a bending component and a cutting component;

the rotary feeding and feeding mechanism comprises a feeding seat (2) slidably mounted on the rack (1), a first mounting seat (3), a mounting cylinder (4) rotatably mounted on the first mounting seat (3), a chuck (5) mounted at the end part of the mounting cylinder (4) and a first driving assembly (6) for providing power for feeding the feeding seat (2), wherein a second driving assembly (7) for providing power for rotating the mounting cylinder (4) is mounted on the feeding seat (2).

2. The pipe bending apparatus according to claim 1, wherein the bending assembly comprises a second mounting base (8), a turntable (9) rotatably mounted on the second mounting base (8), a fixed die (10), an annular die (11) fixedly mounted in the middle of the turntable (9), a pressing die (12) and a first driving cylinder (13), the fixed die (10) is fixedly mounted on the second mounting base (8), a third driving assembly (15) for providing power for the rotation of the turntable (9) is mounted at the bottom of the first mounting base (3), the first driving cylinder (13) is fixedly mounted on the turntable (9), the pressing die (12) is fixedly mounted at an output end of the first driving cylinder (13), and semicircular die grooves (14) corresponding to each other are formed in the fixed die (10), the annular die (11) and the pressing die (12); the cutting assembly comprises a mechanical sliding table (16) and a laser cutting head (17) arranged on the mechanical sliding table (16), and the mechanical sliding table (16) is fixedly arranged on the fixed die (10).

3. The pipe bending apparatus according to claim 2, wherein the number of the semicircular mold grooves (14) is multiple, the plurality of the semicircular mold grooves (14) are distributed on the fixed mold (10), the annular mold (11) and the pressing mold (12) from top to bottom, the first mounting base (3) is slidably mounted on the feeding base (2) up and down, and a second driving cylinder (18) for providing power for the first mounting base (3) to move up and down is mounted on the feeding base (2).

4. The pipe bending apparatus according to claim 3, wherein an inner mandrel bar (19) is detachably mounted in the mounting cylinder (4), and a central axis of the inner mandrel bar (19) is collinear with a central axis of the mounting cylinder (4).

5. The pipe bending apparatus according to claim 4, further comprising a suction fan (20) fixedly mounted on the frame (1), wherein the second mounting base (8) is slidably mounted on the frame (1), and wherein a fourth driving assembly (21) for providing power for the second mounting base (8) to move is mounted on the frame (1).

Images