Pipe bending mechanism of pipe bending machine
By designing a pipe bending mechanism including a base plate, a pipe fitting guide assembly, a lifting assembly and a rotating assembly, the problem of low bending efficiency caused by the fixation of the bend radius is solved, and efficient bending treatment of pipe fittings of different diameters is achieved.
Patent Information
- Application Number
- CN202420545473.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-20
AI Technical Summary
In the existing pipe bending mechanism of pipe bending machines, the radius of the bend is fixed, resulting in the need to replace different pipe bending fixtures for each bend, affecting the efficiency of pipe bending.
A pipe bending mechanism of a pipe bending machine is designed, including a horizontally arranged base plate, a pipe fitting guide assembly, a lifting assembly and a rotating assembly. The position of the bent pipe disc is adjusted by the lifting assembly, the pipe guide assembly and the annular receiving groove are used to achieve different diameter bending of the pipe fittings, and the rotating assembly is used to drive the pipe fitting bending roller to move around the bent pipe disc, so as to achieve the bending processing of the pipe fittings.
Efficient bending treatment of pipe fittings of different diameters is achieved, the efficiency of bending is improved, and the need to replace different fixtures is avoided.
Smart Images
Figure CN222491641U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pipe bending machines, in particular to a pipe bending mechanism of a pipe bending machine. Background Art
[0002] Pipe bending technology is widely used in the production and manufacturing of pipe bending in many industries such as central air conditioning, automobile industry, aerospace industry, and shipbuilding industry. The quality of pipe bending will directly affect the structural rationality, safety, and reliability of products in these industries.
[0003] A pipe bender generally includes a pipe bender frame, a feeding trolley arranged on the pipe bender frame, and a pipe bending mechanism arranged on the pipe bender frame. The feeding trolley clamps the pipe and feeds the clamped pipe into the pipe bending mechanism for pipe bending, thereby realizing the pipe bending operation. In the prior art, the pipe bending radius of the pipe bending mechanism of the pipe bender is generally a fixed value, which results in the need to replace a different pipe bending fixture for each pipe of a certain specification, thereby affecting the pipe bending efficiency. Therefore, it is urgent to study a pipe bending mechanism of a pipe bender in order to solve the above problems. Utility Model Content
[0004] The utility model provides a pipe bending mechanism of a pipe bending machine, and its purpose is to solve the technical problems raised in the above background technology.
[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:
[0006] The utility model discloses a pipe bending mechanism of a pipe bending machine, comprising a horizontally arranged bottom plate; a pipe guide assembly and a lifting assembly are arranged side by side on the upper surface of the bottom plate; a bearing column is horizontally connected to the lifting assembly; a coaxially arranged pipe bending disk is slidably sleeved on the bearing column; a plurality of annular accommodating grooves for placing pipes are arranged side by side along the axial direction on the circumferential side wall of the pipe bending disk; the diameters of the plurality of annular accommodating grooves increase in sequence from one end of the bearing column to the other end thereof; a rotating assembly is arranged at one end of the bearing column; a pipe bending roller corresponding to the annular accommodating groove is rotatably connected to the rotating assembly; the axial direction of the pipe bending roller is arranged parallel to the axial direction of the pipe bending disk.
[0007] As a preferred technical solution of the utility model, the pipe guiding assembly includes a plurality of U-shaped seats fixed side by side on the upper surface of the base plate; the arrangement direction of the plurality of U-shaped seats is perpendicular to the length direction of the supporting column; a pair of guide rollers distributed up and down are rotatably connected between the opposite side arms of the U-shaped seat; a guiding gap for the pipe is formed between the two guide rollers.
[0008] As a preferred technical solution of the utility model, the lifting assembly includes a guide rod and a screw rod arranged side by side; the lower end of the guide rod is vertically fixed on the upper surface of the base plate; a sliding sleeve is provided on the guide rod; the lower end of the screw rod is rotatably connected to the upper surface of the base plate; a nut is threaded on the screw rod; one end of the bearing column is fixed on the sliding sleeve; and the other end of the bearing column is fixed on the nut.
[0009] As a preferred technical solution of the utility model, the circumferential side wall of the bearing column is provided with a plurality of first accommodating holes arranged axially side by side; a first mounting sleeve is coaxially fixed to one end face of the bending pipe disk; the first mounting sleeve is slidably sleeved on the outer circumference of the bearing column; a first side connecting sleeve is radially fixed to the circumferential side wall of the first mounting sleeve; a first positioning pin corresponding to the first accommodating hole is inserted in the first side connecting sleeve; the first positioning pin can be inserted in any first accommodating hole.
[0010] As a preferred technical solution of the utility model, the rotating assembly includes a rotating sleeve rotatably mounted on the outer periphery of one end of the supporting column; a rocker arm is radially fixed to the circumferential outer wall of the rotating sleeve; a second mounting sleeve is slidingly mounted on the rocker arm; a connecting rod is radially fixed to the circumferential outer wall of the second mounting sleeve; the pipe bending roller is rotatably connected to one end of the connecting rod away from the second mounting sleeve.
[0011] As a preferred technical solution of the utility model, the circumferential outer wall of the rocker arm is provided with a plurality of second accommodating holes arranged axially side by side; a second side connecting sleeve is radially fixed to the circumferential side wall of the second mounting sleeve; a second positioning pin corresponding to the second accommodating hole is inserted in the second side connecting sleeve; the second positioning pin can be inserted in any second accommodating hole.
[0012] The utility model has the following beneficial effects:
[0013] The utility model adjusts the upper and lower positions of the pipe bending disk through a lifting component, and makes the required annular accommodating groove correspond to the position of the pipe guide component by adjusting the position of the pipe bending disk on the bearing column, then uses the pipe guide component to guide the pipe to the bottom of the annular accommodating groove, and makes the other end of the pipe extend to the side wall of the annular accommodating groove away from the pipe guide component, and then drives the pipe bending roller to move around the pipe bending disk in a circle through the rotating component, so as to realize the bending processing of the pipe in the annular accommodating groove. Not only can the bending processing of pipes with different diameters be realized by adjusting the position of the pipe bending disk on the bearing column, but also the pipe bending efficiency is effectively improved.
[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0016] Figure 1 The utility model is a schematic diagram of the structure of a pipe bending mechanism of a pipe bending machine.
[0017] Figure 2 for Figure 1 The main view of the structure.
[0018] Figure 3 It is a structural schematic diagram of the pipe guide assembly and the lifting assembly of the utility model installed on the bottom plate.
[0019] Figure 4 It is a structural schematic diagram of the connection between the lifting assembly and the rotating assembly of the utility model.
[0020] Figure 5 It is a structural schematic diagram of the pipe bending disc of the utility model.
[0021] Figure 6 It is a structural schematic diagram of the rotating assembly of the utility model.
[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0023] 1-bottom plate, 2-pipe guiding assembly, 3-lifting assembly, 4-bearing column, 5-bending tube disc, 6-rotating assembly, 7-pipe bending roller, 201-U-shaped seat, 202-guide roller, 301-guide rod, 302-screw rod, 303-sliding sleeve, 304-nut, 305-handle, 401-first accommodating hole, 501-annular accommodating groove, 502-first mounting sleeve, 503-first side connecting sleeve, 504-first positioning pin, 601-rotating sleeve, 602-swing rod, 603-second mounting sleeve, 604-connecting rod, 605-second accommodating hole, 606-second side connecting sleeve, 607-second positioning pin, 608-handwheel. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Embodiment 1:
[0026] See also Figure 1-2 As shown, the utility model is a pipe bending mechanism of a pipe bending machine, comprising a horizontally arranged bottom plate 1; a pipe guide assembly 2 and a lifting assembly 3 are arranged side by side on the upper surface of the bottom plate 1; a bearing column 4 is horizontally connected to the lifting assembly 3; a coaxially arranged pipe bending disc 5 is slidably sleeved on the bearing column 4; the pipe bending disc 5 is composed of a plurality of discs of different diameters coaxially connected; a plurality of annular receiving grooves 501 for placing pipes are arranged side by side along the axial direction on the circumferential side wall of the pipe bending disc 5; a plurality of annular receiving grooves 501 are respectively arranged on the circumferential side walls of a plurality of discs; the diameters of the plurality of annular receiving grooves 501 increase successively from one end to the other end of the bearing column 4; the cross sections of the plurality of annular receiving grooves 501 are in an arc-shaped structure; a rotating assembly 6 is arranged at one end of the bearing column 4; a pipe bending roller 7 corresponding to the annular receiving groove 501 is rotatably connected to the rotating assembly 6; the axial direction of the pipe bending roller 7 is arranged parallel to the axial direction of the pipe bending disc 5, and the pipe bending roller 7 is arranged on the peripheral side of the annular receiving groove 501. When in use, the upper and lower positions of the bending tube disk 5 are adjusted by the lifting component 3, and the position of the bending tube disk 5 on the supporting column 4 is adjusted to make the required annular receiving groove 501 correspond to the position of the pipe guiding component 2, and then the pipe guiding component 2 is used to guide the pipe to the bottom of the annular receiving groove 501, and the other end of the pipe is extended to the side wall of the annular receiving groove 501 away from the pipe guiding component 2, and then the pipe bending roller 7 is driven by the rotating component 6 to move in a circle around the bending tube disk 5, so as to realize the bending processing of the pipe in the annular receiving groove 501. Not only can the bending processing of pipes with different diameters be realized by adjusting the position of the bending tube disk 5 on the supporting column 4, but also the bending efficiency is effectively improved.
[0027] Among them Figure 2-3 As shown, the pipe guide assembly 2 includes a plurality of U-shaped seats 201 bolted side by side on the upper surface of the bottom plate 1; the arrangement direction of the plurality of U-shaped seats 201 is perpendicular to the length direction of the bearing column 4; a pair of guide rollers 202 distributed up and down are rotatably connected between the two opposite side arms of the U-shaped seat 201; a guide gap for the pipe is formed between the two guide rollers 202. When in use, the pipe is inserted into the guide gap between the two guide rollers 202, thereby achieving an effective guiding effect on the transportation of the pipe, which can further ensure the processing efficiency of the pipe.
[0028] Embodiment 2:
[0029] Based on Example 1, Figure 3-4As shown, the lifting assembly 3 includes a guide rod 301 and a screw rod 302 arranged side by side; the lower end of the guide rod 301 is bolted to the upper surface of the bottom plate 1; a sliding sleeve 303 is slidably provided on the guide rod 301; the lower end of the screw rod 302 is rotatably connected to the upper surface of the bottom plate 1; a nut 304 is threadedly matched on the screw rod 302; one end of the bearing column 4 is bolted to the sliding sleeve 303; the other end of the bearing column 4 is bolted to the nut 304; and a conventional handle 305 in the art is fixed to the upper end of the screw rod 302. When in use, the screw rod 302 is driven to rotate by operating the handle 305, so that the bearing column 4 moves along the length direction of the guide rod 301, thereby realizing the adjustment of the upper and lower positions of the pipe bending plate 5, and avoiding the interference between the pipe bending plate 5 and the bottom plate 1.
[0030] Among them Figure 3-5 As shown, the circumferential side wall of the bearing column 4 is provided with a plurality of first receiving holes 401 arranged side by side along the axial direction; a first mounting sleeve 502 is coaxially welded on one end face of the bending tube disc 5; the first mounting sleeve 502 is slidably sleeved on the outer circumference of the bearing column 4; a first bypass sleeve 503 is radially welded on the circumferential side wall of the first mounting sleeve 502; a first positioning pin 504 corresponding to the first receiving hole 401 is inserted in the first bypass sleeve 503; the first positioning pin 504 can be inserted in any first receiving hole 401; the first positioning pin 504 is threadedly matched with the first bypass tube 503 and the first receiving hole 401 respectively. When in use, after the bending tube disc 5 is adjusted on the bearing column 4, the first positioning pin 504 is inserted in the corresponding first receiving hole 401, so that the bending tube disc 5 is stably connected to the bearing column 4, and the use effect of the bending tube disc 5 is effectively guaranteed.
[0031] Embodiment three:
[0032] Based on Example 2, Figure 2 , Figure 4 and Figure 6 As shown, the rotating assembly 6 includes a rotating sleeve 601 rotatably sleeved on the outer circumference of one end of the bearing column 4; a swing rod 602 is radially welded on the circumferential outer wall of the rotating sleeve 601; a second mounting sleeve 603 is slidably sleeved on the swing rod 602; a connecting rod 604 parallel to the bearing column 4 is radially welded on the circumferential outer wall of the second mounting sleeve 603; and the pipe bending roller 7 is rotatably connected to one end of the connecting rod 604 away from the second mounting sleeve 603. When in use, after the pipe bending disc 5 has completed the position adjustment on the bearing column 4, by adjusting the position of the second mounting sleeve 603 on the swing rod 602, the pipe bending roller 7 is caused to be located on the circumferential side of the required annular receiving groove 501, thereby effectively ensuring the bending efficiency of the pipe.
[0033] Among them Figure 4 and Figure 6As shown, the outer circumferential wall of the swing rod 602 is provided with a plurality of second accommodating holes 605 arranged side by side in the axial direction; the circumferential side wall of the second mounting sleeve 603 is radially welded with a second side connection sleeve 606; the second side connection sleeve 606 is provided with a second positioning pin 607 corresponding to the second accommodating hole 605; the second positioning pin 607 can be inserted into any second accommodating hole 605; the second positioning pin 607 is threadedly matched with the second side connection sleeve 606 and the second accommodating hole 605 respectively. When in use, after the position of the second mounting sleeve 603 on the swing rod 602 is adjusted, the second positioning pin 607 can be inserted into the corresponding second accommodating hole 605, so that the second mounting sleeve 603 is stably connected to the swing rod 602, thereby effectively ensuring the use effect of the pipe bending roller 7.
[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A pipe bending mechanism of a pipe bending machine, comprising a horizontally arranged bottom plate (1); characterized in that: The upper surface of the base plate (1) is provided with a pipe guide assembly (2) and a lifting assembly (3) in parallel; a bearing column (4) is horizontally connected to the lifting assembly (3); a coaxially arranged pipe bending disk (5) is slidably sleeved on the bearing column (4); a plurality of annular receiving grooves (501) for placing pipes are arranged in parallel along the axial direction on the circumferential side wall of the pipe bending disk (5); the diameters of the plurality of annular receiving grooves (501) increase in sequence from one end to the other end of the bearing column (4); a rotating assembly (6) is provided at one end of the bearing column (4); a pipe bending roller (7) corresponding to the annular receiving groove (501) is rotatably connected to the rotating assembly (6); the axial direction of the pipe bending roller (7) is arranged parallel to the axial direction of the pipe bending disk (5).
2. The pipe bending mechanism of a pipe bending machine according to claim 1, characterized in that: The pipe guide assembly (2) comprises a plurality of U-shaped seats (201) fixed side by side on the upper surface of the base plate (1); the arrangement direction of the plurality of U-shaped seats (201) is perpendicular to the length direction of the supporting column (4); a pair of guide rollers (202) distributed up and down are rotatably connected between the opposite side arms of the U-shaped seat (201); and a guiding gap for the pipe is formed between the two guide rollers (202).
3. A pipe bending mechanism of a pipe bending machine according to claim 1 or 2, characterized in that: The lifting assembly (3) comprises a guide rod (301) and a screw rod (302) arranged side by side; the lower end of the guide rod (301) is vertically fixed on the upper surface of the base plate (1); a sliding sleeve (303) is provided on the sliding sleeve of the guide rod (301); the lower end of the screw rod (302) is rotatably connected to the upper surface of the base plate (1); a nut (304) is threadedly engaged on the screw rod (302); one end of the bearing column (4) is fixed on the sliding sleeve (303); and the other end of the bearing column (4) is fixed on the nut (304).
4. The pipe bending mechanism of a pipe bending machine according to claim 3, characterized in that: The circumferential side wall of the bearing column (4) is provided with a plurality of first receiving holes (401) arranged side by side along the axial direction; a first mounting sleeve (502) is coaxially fixed to one end surface of the bending tube disk (5); the first mounting sleeve (502) is slidably sleeved on the outer circumference of the bearing column (4); a first side connection sleeve (503) is radially fixed to the circumferential side wall of the first mounting sleeve (502); a first positioning pin (504) corresponding to the first receiving hole (401) is inserted in the first side connection sleeve (503); the first positioning pin (504) can be inserted in any one of the first receiving holes (401).
5. A pipe bending mechanism of a pipe bending machine according to claim 1 or 4, characterized in that: The rotating assembly (6) comprises a rotating sleeve (601) rotatably sleeved on the outer periphery of one end of a supporting column (4); a rocker arm (602) is radially fixed to the circumferential outer wall of the rotating sleeve (601); a second mounting sleeve (603) is slidably sleeved on the rocker arm (602); a connecting rod (604) is radially fixed to the circumferential outer wall of the second mounting sleeve (603); and the pipe bending roller (7) is rotatably connected to one end of the connecting rod (604) away from the second mounting sleeve (603).
6. The pipe bending mechanism of a pipe bending machine according to claim 5, characterized in that: The circumferential outer wall of the swing rod (602) is provided with a plurality of second receiving holes (605) arranged side by side along the axial direction; a second side connection sleeve (606) is radially fixed to the circumferential side wall of the second mounting sleeve (603); a second positioning pin (607) corresponding to the second receiving hole (605) is inserted in the second side connection sleeve (606); the second positioning pin (607) can be inserted in any second receiving hole (605).