CN210280307U

CN210280307U - Pipe bending machine

Info

Publication number: CN210280307U
Application number: CN201921079456.6U
Authority: CN
Inventors: 李佩兰
Original assignee: Dongguan Tianyu Luggage Accessories Co Ltd
Current assignee: Dongguan Tianyu Luggage Accessories Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-10
Anticipated expiration: 2029-07-09

Abstract

The utility model relates to a pipe bending machine, which comprises a frame, be provided with bending die and positioner in the frame, positioner includes locating lever, position sleeve and mount pad, the locating lever install in the frame and with slide in the length direction of locating lever, the mount pad slides with the locating lever and is connected, the mount pad sets up in the one end that is close to the bending die, the one end fixedly connected with position sleeve that the mount pad is close to the bending die, the locating lever is located to the position sleeve cover, be provided with the adjusting part who is used for adjusting the mount pad position between mount pad and the locating lever, be provided with the scale that is used for instructing the distance of position sleeve to the tubular product kink on the mount pad. The utility model discloses have and to carry out the accurate positioning to tubular product, make the tubular product after bending accord with the effect that production required.

Description

Pipe bending machine

Technical Field

The utility model belongs to the technical field of the technique of machining equipment and specifically relates to a tubular product bender is related to.

Background

In the field of machining, such as production and processing of aluminum frames, a metal pipe bending machine is generally used for bending an aluminum pipe raw material.

The prior art discloses the application numbers as follows: 201520348433.6A bending machine for metal pipes, which comprises a frame, a first hydraulic cylinder and a third hydraulic cylinder are arranged on the frame; the end part of the piston rod of the first hydraulic cylinder is fixedly connected with a push rod, and the middle part of the push rod is provided with a movable limiting block; a second slide rail is also arranged on the rack, a moving seat fixedly connected with the end part of the piston rod of the third hydraulic cylinder is arranged on the second slide rail, a first slide rail with a sliding seat is arranged at the top of the moving seat, a second hydraulic cylinder for driving the sliding seat to move is arranged on the moving seat, and a first clamping block is arranged on the sliding seat; the rack is also fixedly connected with a shaft sleeve provided with a rotating shaft, the upper end of the rotating shaft is fixedly connected with a rotating plate, a turntable is fixedly connected above the rotating plate, the edge of the turntable is provided with a clamping groove with a semicircular section, the rotating plate is also provided with a fourth hydraulic cylinder, and the end part of a piston rod of the rotating plate is provided with a second clamping block; the frame is also fixedly connected with a speed reducer for driving the rotating shaft to rotate and a hydraulic pump station for driving each hydraulic cylinder to act, the end part of the first hydraulic cylinder piston rod is fixedly connected with a transverse push rod extending along the axis direction, and the middle part of the push rod is provided with a movable limiting block. In actual processing, a metal pipe is sleeved at the outer end of the push rod, the position of the metal pipe is limited by a movable limiting block, a fixed sleeve is fixedly connected to the end part of the piston rod of the first hydraulic cylinder, and the end part of the push rod is inserted into the fixed sleeve and locked by a fastening screw; the movable limiting block comprises a flat cylindrical moving block sleeved on the push rod, a threaded hole which is radially communicated is formed in the moving block, and a fastening screw is arranged in the threaded hole to lock the moving block. By loosening and screwing the fastening screw, the replacement of the push rod and the adjustment of the position of the movable limiting block on the push rod are realized.

The above prior art solutions have the following drawbacks: the positioning adjustment of the moving block is not visual enough, the pipe is difficult to be accurately positioned, and the position of the moving block needs to be continuously adjusted so that the pipe meets the production requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipe bender, it has and can carry out the accurate positioning to tubular product, makes the tubular product after bending accord with the effect of production requirement.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a pipe bending machine, which comprises a frame, be provided with bending die and positioner in the frame, positioner includes locating lever, position sleeve and mount pad, the locating lever install in the frame and with slide in the length direction of locating lever, the mount pad slides with the locating lever and is connected, the mount pad sets up in the one end that is close to the bending die, the mount pad is close to the one end fixedly connected with position sleeve of bending die, the locating lever is located to the position sleeve, be provided with the adjusting part who is used for adjusting the mount pad position between mount pad and the locating lever, be provided with the scale that is used for instructing the position sleeve to the distance of tubular product kink on the mount pad.

Through adopting above-mentioned technical scheme, the one end that the position sleeve is close to the bending die with treat the tubular product butt of bending, treat the tubular product of bending and fix a position, when adjusting the relative position between position sleeve and the bending die, can more audio-visual through the scale know treat the tubular product of bending after buckling, the one end of being buckled leaves the straightway of how long, carries out the accurate positioning to tubular product.

The utility model discloses further set up to: the adjusting part comprises a positioning groove, an inserting rod and an adjusting rod, the positioning groove is arranged on the positioning rod, the positioning groove is provided with a plurality of linear arrays arranged along the length direction of the positioning rod, a sliding hole for the inserting rod to pass through is formed in the mounting seat, the inserting rod slides and is connected with the sliding hole, the inserting rod is in splicing fit with the positioning groove, one end of the adjusting rod is hinged to the mounting seat, one side of the hinge joint of the adjusting rod is far away from, a sliding groove is formed in the side, away from the positioning rod, of the inserting rod, a sliding block is fixedly connected with the one end of the positioning rod, and the.

By adopting the technical scheme, the adjusting assembly limits the relative position of the mounting seat and the positioning rod, so that the distance between the positioning sleeve and the bending die is fixed, and the pipe to be bent is positioned.

The utility model discloses further set up to: the cross section of the positioning sleeve is elliptical, and the long axis of the ellipse is perpendicular to the upper surface of the rack and is larger than the width of the pipe to be bent.

By adopting the technical scheme, when the pressing die is prevented from being close to the crease-resistant plate by the oval cross section, the pressing die and the crease-resistant plate extrude the positioning sleeve, so that the positioning sleeve deforms or is damaged to influence the positioning effect of the positioning sleeve on the pipe to be bent.

The utility model discloses further set up to: the bending device comprises a positioning rod and a filling assembly, the bending device comprises a mounting seat and is characterized by further comprising a filling assembly, the filling assembly comprises a filling rod and a plurality of filling blocks, the filling rod and one end, close to the bending device, of the positioning rod are fixedly connected, the filling blocks are arranged at one end, far away from the mounting seat, of the filling rod, elastic pieces are arranged between the filling blocks close to the filling rod and the filling rod, and the elastic pieces are arranged between the adjacent filling blocks.

By adopting the technical scheme, the filling rod and the filling block mainly play a role in supporting the inner wall of the bending radius of the guide pipe to prevent the guide pipe from deforming in the bending process.

The utility model discloses further set up to: the elastic piece is a spring, and two ends of the spring are respectively and fixedly connected with the adjacent filling blocks or the adjacent filling blocks and the filling rod.

By adopting the technical scheme, in the process of bending the pipe by the pipe bender, the relative positions of the three filling blocks are changed, so that the three filling blocks are arranged in an arc line; when the pipe bender is bent, the pipe is taken out, the three filling blocks are restored to the original state due to the elastic force of the spring, so that the three filling blocks are linearly arranged, and the pipe can be more conveniently inserted when being installed next time.

The utility model discloses further set up to: gaps are reserved between the filling rods and the filling blocks and the inner wall of the pipe to be bent.

By adopting the technical scheme, gaps are reserved between the filling rods and the filling blocks and the inner wall of the coffin to be bent, so that the pipe to be bent is easier to mount.

The utility model discloses further set up to: and two end faces of the filling block in the length direction of the filling rod are provided with rounded corners.

Through adopting above-mentioned technical scheme, the fillet has avoided tubular product when crooked, and the corner of two terminal surfaces of filling block causes the damage to the inner wall of tubular product, leads to product quality step-down.

The utility model discloses further set up to: fixedly connected with is used for enlargiing the magnifying glass that shows to the scale on the mount pad, the magnifying glass sets up in the scale and keeps away from the one side of installing the pole.

Through adopting above-mentioned technical scheme, the magnifying glass enlargies the scale, makes the scale more easily seen clearly and make staff's reading more accurate.

To sum up, the utility model discloses a beneficial technological effect does:

1. one end of the positioning sleeve, which is close to the bending die, is abutted against the pipe to be bent, the pipe to be bent is positioned, and when the relative position between the positioning sleeve and the bending die is adjusted, the length of a straight line section left at the bent end of the pipe to be bent can be more intuitively known through scales, so that the pipe can be accurately positioned;

2. the filling rod and the filling block mainly play a role in supporting the inner wall of the bending radius of the conduit to prevent the inner wall from deforming in the bending process;

3. the magnifying glass magnifies the scales, so that the scales can be seen clearly and the reading of workers is more accurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the positioning device.

Fig. 3 is a schematic cross-sectional view of the adjustment assembly.

In the figure, 1, a frame; 11. pressing the die; 12. anti-wrinkling boards; 13. clamping a mold; 14. bending a die; 2. a positioning device; 21. positioning a rod; 211. calibration; 22. a positioning sleeve; 23. a mounting seat; 24. a fill assembly; 241. filling the rods; 242. filling blocks; 243. a spring; 3. a magnifying glass; 4. an adjustment assembly; 41. positioning a groove; 42. inserting a rod; 43. adjusting a rod; 44. a sliding groove; 45. a sliding hole; 46. and (4) a sliding block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a pipe bending machine, including frame 1, be provided with moulding-die 11, crease-resistance board 12, die holder 13, bending die 14 and positioner 2 in frame 1, moulding-die 11 sets up with crease-resistance board 12 relatively, and die holder 13 sets up with bending die 14 relatively, and positioner 2 sets up in one side that moulding-die 11 kept away from bending die 14, and positioner 2 sets up between moulding-die 11 and crease-resistance board 12.

Referring to fig. 1 and 2, the positioning device 2 includes a positioning rod 21, a positioning sleeve 22, a mounting seat 23 and a filling assembly 24, wherein one end of the positioning rod 21 away from the bending die 14 is connected with the frame 1 in a sliding manner, and the positioning rod 21 can slide in the length direction thereof. The mounting seat 23 is connected with one end of the positioning rod 21 close to the bending die 14 in a sliding manner, and the mounting seat 23 is sleeved on the positioning rod 21; the positioning sleeve 22 is fixedly connected with one end, close to the bending die 14, of the mounting seat 23, the positioning sleeve 22 is sleeved on the positioning rod 21, the cross section of the positioning sleeve 22 is oval, the long axis of the oval is perpendicular to the upper surface of the rack 1 and is larger than the width of a pipe, one end, close to the bending die 14, of the positioning sleeve 22 is abutted against the pipe to be bent, and the pipe to be bent is positioned; the oval cross section prevents the pressing die 11 and the anti-crease plate 12 from extruding the positioning sleeve 22 when the pressing die 11 is close to the anti-crease plate 12, so that the positioning sleeve 22 deforms or is damaged to influence the positioning function of the positioning sleeve 22 on the pipe to be bent.

Referring to fig. 1 and 2, a scale 211 is arranged on one side of the positioning rod 21 close to the anti-wrinkling plate 12, and when the relative position between the positioning sleeve 22 and the bending die 14 is adjusted, the length of a straight line segment left at the bent end of the pipe to be bent can be known more intuitively through the scale 211, so that the pipe can be accurately positioned. Fixedly connected with magnifying glass 3 on mount pad 23, the setting of bending mould 14 is kept away from to the lens of magnifying glass 3, and magnifying glass 3 enlargies scale 211, makes scale 211 see clearly more easily and make staff's reading more accurate.

Referring to fig. 2, one end of the positioning rod 21 near the bending die 14 is provided with a filling assembly 24, and the filling assembly 24 includes a filling rod 241 and three filling blocks 242. The filling rod 241 is fixedly connected to one end of the positioning rod 21 close to the bending die 14, and the three filling blocks 242 are disposed at one end of the filling rod 241 far from the positioning rod 21. A spring 243 is connected between the filling block 242 close to the filling rod 241 and the filling rod 241, and both ends of the spring 243 are fixedly connected with the filling block 242 and the filling rod 241 respectively. The adjacent filling blocks 242 are fixedly connected through springs 243. The filling rod 241 and the filling block 242 are inserted into the pipe, a gap is left between the filling rod 241 and the filling block 242 and the inner wall of the pipe, and the filling rod 241 and the filling block 242 mainly play a role of supporting the inner wall of the bending radius of the conduit to prevent the inner wall from deforming in the bending process. In the process of bending the pipe by the pipe bender, the relative positions of the three filling blocks 242 are changed, so that the three filling blocks 242 are arranged in an arc line to support the bent part of the pipe, and wrinkling and deformation of the pipe in the process of bending the pipe are avoided; when the pipe bender is bent, after the pipe is taken out, the three filling blocks 242 restore to the original state due to the elastic force of the spring 243, so that the three filling blocks 242 are linearly arranged, and the pipe can be more conveniently inserted when being installed next time. Two terminal surfaces of the filling block 242 in the length direction of the filling rod 241 are provided with rounded corners, and the rounded corners prevent the inner wall of the pipe from being damaged by the corners of the two terminal surfaces of the filling block 242 when the pipe is bent, so that the product quality is lowered.

Referring to fig. 2 and 3, an adjusting assembly 4 is disposed between the mounting seat 23 and the positioning rod 21, and the adjusting assembly 4 includes a positioning slot 41, an insertion rod 42, and an adjusting rod 43. The positioning grooves 41 are provided with a plurality of positioning grooves 41, the positioning grooves 41 are distributed on the positioning rod 21 along the positioning rod 21 in a linear array, and the positioning grooves 41 are arranged on one side of the positioning rod 21 far away from the crease-resistant plate 12. Articulated on the mount pad 23 have an adjusting rod 43, and the one end of adjusting rod 43 is articulated with mount pad 23, and adjust the one side that rod 43 kept away from the pin joint and seted up sliding groove 44, sets up sliding hole 45 that supplies inserted bar 42 to pass on the mount pad 23, and inserted bar 42 slides in sliding hole 45, and the one end fixedly connected with sliding block 46 of constant head tank 41 is kept away from to inserted bar 42, and sliding block 46 slides in sliding groove 44.

The implementation principle of the embodiment is as follows: in the process of bending the pipe by the pipe bender, the relative positions of the three filling blocks 242 change, so that the three filling blocks 242 are arranged in an arc line; when the pipe bender is bent, and the pipe is taken out, the three filling blocks 242 are restored to the original state due to the elastic force of the spring 243, so that the three filling blocks 242 are linearly arranged.

When the positioning sleeve 22 needs to be adjusted relative to the bending die 14, the adjusting rod 43 is pulled in a direction away from the positioning rod 21, the sliding block 46 slides in the sliding groove 44 to drive the inserting rod 42 to move in a direction away from the mounting rod, after the inserting rod 42 is separated from the positioning groove 41, the position of the mounting seat 23 is adjusted according to the reading on the scale 211, the numerical value indicated by the scale 211 is in accordance with the requirement of production, then a worker pulls the adjusting rod 43, one end of the adjusting rod 43, which is away from the hinge point, moves around the hinge point in a direction close to the positioning rod 21, the inserting rod 42 is inserted into the corresponding positioning groove 41, and the position of the mounting seat 23 is limited.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pipe bending machine, includes frame (1), be provided with moulding-die (11), crease-resistant board (12), press from both sides mould (13), bending die (14) and positioner (2) in frame (1), moulding-die (11) set up with crease-resistant board (12) relatively, press from both sides mould (13) and bending die (14) set up relatively, positioner (2) set up in one side of moulding-die (11) keeping away from bending die (14), its characterized in that: the positioning device (2) is arranged between the pressing die (11) and the crease-resistant plate (12), the positioning device (2) comprises a positioning rod (21), a positioning sleeve (22) and a mounting seat (23), the positioning rod (21) is arranged on the frame (1) and slides in the length direction of the positioning rod (21), the mounting seat (23) is connected with the positioning rod (21) in a sliding way, the mounting seat (23) is arranged at one end close to the bending die (14), the positioning sleeve (22) is fixedly connected with one end of the mounting seat (23) close to the bending die (14), the positioning sleeve (22) is sleeved on the positioning rod (21), an adjusting component (4) for adjusting the position of the mounting seat (23) is arranged between the mounting seat (23) and the positioning rod (21), the positioning rod (21) is provided with a scale (211) used for indicating the distance from the positioning sleeve (22) to the bent part of the pipe.

2. Pipe bending machine according to claim 1, characterized in that: adjusting part (4) include constant head tank (41), inserted bar (42) and adjust pole (43), constant head tank (41) set up on locating lever (21), constant head tank (41) are provided with the length direction linear array setting of a plurality of edge locating lever (21), set up sliding hole (45) that supply inserted bar (42) to pass on mount pad (23), inserted bar (42) slide with sliding hole (45) and are connected, inserted bar (42) and constant head tank (41) cooperation of pegging graft, the one end of adjusting pole (43) is articulated with mount pad (23), adjust pole (43) and keep away from one side of pin joint and seted up sliding groove (44), the one end fixedly connected with sliding block of locating lever (21) is kept away from in inserted bar (42), sliding block slides in sliding groove (44) and connects.

3. Pipe bending machine according to claim 1, characterized in that: the cross section of the positioning sleeve (22) is elliptical, and the long axis of the ellipse is perpendicular to the upper surface of the rack (1) and is larger than the width of the pipe to be bent.

4. Pipe bending machine according to claim 1, characterized in that: the bending device is characterized by further comprising a filling assembly (24), wherein the filling assembly (24) comprises a filling rod (241) and a plurality of filling blocks (242), the filling rod (241) is fixedly connected with one end, close to the bending device, of the positioning rod (21), the plurality of filling blocks (242) are arranged at one end, far away from the mounting seat (23), of the filling rod (241), elastic pieces are arranged between the filling blocks (242) close to the filling rod (241) and the filling rod (241), and elastic pieces are arranged between the adjacent filling blocks (242).

5. Pipe bending machine according to claim 4, characterized in that: the elastic piece is a spring (243), and two ends of the spring (243) are fixedly connected with the adjacent filling block (242) or the adjacent filling block (242) and the filling rod (241) respectively.

6. Pipe bending machine according to claim 4, characterized in that: and gaps are reserved between the filling rod (241) and the filling block (242) and the inner wall of the pipe to be bent.

7. Pipe bending machine according to claim 4, characterized in that: the two end faces of the filling block (242) in the length direction of the filling rod (241) are provided with rounded corners.

8. Pipe bending machine according to claim 1, characterized in that: fixedly connected with is used for magnifying glass (3) of demonstration on mount pad (23), magnifying glass (3) set up in scale (211) keep away from one side of locating lever (21).