CN212944821U

CN212944821U - Strong bending machine of stability

Info

Publication number: CN212944821U
Application number: CN202021747363.9U
Authority: CN
Inventors: 范纪华; 江新; 李笑荣
Original assignee: ZHANGJIAGANG MINGHUA MACHINERY MANUFACTURE CO Ltd
Current assignee: ZHANGJIAGANG MINGHUA MACHINERY MANUFACTURE CO Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-13
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a bending machine that stability is strong, concretely relates to bending machine technical field, the test platform comprises a support, the top fixed mounting of frame has the hydraulic press, and the one end of hydraulic press has the pneumatic cylinder through the pipe connection, the one end of pneumatic cylinder is connected with the punch holder, bottom one side of frame is equipped with the base plate, and the base plate is connected with the punch holder through rotating assembly, and is equipped with the locating piece along horizontal both ends symmetry between punch holder and the lower plate, a set of constant head tank that is linear distribution is seted up along horizontal both ends symmetry to the punch holder, the locating piece is pegged graft fixedly with the constant head tank mutually, the surface of punch holder is close to pneumatic cylinder department symmetry and is equipped with. Whole equipment has more stable location to the pipe fitting, and limit structure has guaranteed the stability of pipe fitting process of buckling, and the return bend is effectual, and simultaneously, the operation of unloading of location, limit structure dismouting and pipe fitting is all comparatively convenient, and work efficiency can improve.

Description

Strong bending machine of stability

Technical Field

The utility model relates to a bending machine technical field, concretely relates to strong bending machine of stability.

Background

The pipe bending machine is a novel pipe bending tool with a pipe bending function and a jacking function, is roughly divided into a numerical control pipe bending machine, a hydraulic pipe bending machine and the like, is applied to pipeline laying and repairing in the aspects of electric power construction, highway construction, bridges, ships and the like, has the advantages of reasonable structure, safety in use, convenience in operation, reasonable price, convenience in carrying and the like, and is widely used;

the existing hydraulic pipe bender has the problems of workpiece positioning and stable limiting structure, is inconvenient to assemble and disassemble, and influences the actual pipe bending effect and the working efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a strong bending machine of stability aims at solving current hydraulic pressure bending machine and has the problem to work piece location, limit structure stability, and loading and unloading are inconvenient, influence actual return bend effect and work efficiency's problem.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a bending machine that stability is strong, includes the frame, the top fixed mounting of frame has the hydraulic press, and the one end of hydraulic press has the pneumatic cylinder through the pipe connection, the one end of pneumatic cylinder is connected with the punch holder, bottom one side of frame is equipped with the base plate, and the base plate is connected with the punch holder through rotating assembly, punch holder and lower plate parallel relative setting, and be equipped with the locating piece along horizontal both ends symmetry between punch holder and the lower plate, a set of constant head tank that is linear distribution is seted up along horizontal both ends symmetry to the punch holder, the locating piece is pegged graft fixedly with the constant head tank mutually, the surface of punch holder is close to pneumatic cylinder department symmetry and is equipped with a set of gag lever post, and the one end of gag lever post is equipped with U type seat, be connected through the round pin axle between U type seat and the punch.

Further, the rotating assembly comprises a group of vertical plates arranged at the bottom end of the base plate, a rotating shaft horizontally connected with the lower clamping plate in an inserting mode is arranged between the two vertical plates, one end of the rotating shaft is connected with a bevel gear set, and a motor connected with a driving end of the bevel gear set is fixedly arranged at the bottom of the base.

Furthermore, the upper surface of frame is fixed and is equipped with the staple bolt that cup joints mutually with the pneumatic cylinder, the pneumatic cylinder is the slope setting for the frame.

Furthermore, the piston rod end of the hydraulic cylinder extends into the space between the upper clamping plate and the lower clamping plate, and the outer side walls of the two sides of the hydraulic cylinder, which are close to the end of the upper clamping plate, are provided with inserting rods connected with the upper clamping plate.

Furthermore, the upper surface of the lower clamping plate is provided with a groove at the position corresponding to each group of positioning grooves, the bottom end of the positioning block is inserted into the groove, and the top end of the positioning block is fixedly provided with a screw rod.

Furthermore, the screw rod is inserted into the positioning groove, and the outer surface of the screw rod is in threaded fit with a nut

Furthermore, the outer surface of the base is symmetrically provided with fastening bolts along the two transverse ends, and one end of each fastening bolt penetrating through the base is fixedly provided with a rubber seat.

Furthermore, the structure of frame is "concave" font setting, and the pulley is all installed to four corners in the bottom of frame.

The utility model has the advantages of as follows:

1. through locating piece and the gag lever post that sets up, two locating pieces stretch into and realize the location to the pipe fitting between punch holder and the lower plate, the pneumatic cylinder promotes the pipe fitting, the gag lever post is inwards pressed at the both ends of pipe fitting, the gag lever post passes through U type seat and punch holder normal running fit, the curved state of cooperation pipe fitting, stability is better, through the rotation piece that sets up, the lower plate can rotate certain angle downwards, make to form the clearance between locating piece and the lower plate, the pipe fitting can be followed the department and unloaded, convenient operation is quick, whole equipment has more stable location to the pipe fitting, limit structure, the stability of pipe fitting process of buckling has been guaranteed, the return bend is effectual, and simultaneously, the location, the operation of unloading of limit structure dismouting and pipe fitting is all comparatively convenient, work efficiency can improve.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a top view provided by the present invention;

fig. 2 is a bottom view provided by the present invention;

fig. 3 is a perspective view of the limiting rod provided by the present invention;

fig. 4 is a perspective view of the positioning block provided by the present invention;

fig. 5 is an enlarged view of the portion a in fig. 2 according to the present invention;

in the figure: 1. a machine base; 2. a hydraulic press; 3. a hydraulic cylinder; 4. a substrate; 5. an upper splint; 6. a lower splint; 7. positioning blocks; 8. a limiting rod; 9. positioning a groove; 10. a U-shaped seat; 11. a pin shaft; 12. a screw; 13. a nut; 14. a vertical plate; 15. a rotating shaft; 16. a bevel gear set; 17. a motor; 18. hooping; 19. fastening a bolt; 20. inserting a rod; 21. a pulley; 22. a rubber seat.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-5 of the specification, the pipe bending machine with strong stability of the embodiment comprises a base 1, wherein a hydraulic press 2 is fixedly installed at the top end of the base 1, one end of the hydraulic press 2 is connected with a hydraulic cylinder 3 through a pipeline, one end of the hydraulic cylinder 3 is connected with an upper clamping plate 5, one side of the bottom end of the base 1 is provided with a base plate 4, the base plate 4 is connected with an upper clamping plate 6 through a rotating assembly, the upper clamping plate 5 and the lower clamping plate 6 are oppositely arranged in parallel, positioning blocks 7 are symmetrically arranged between the upper clamping plate 5 and the lower clamping plate 6 along the two transverse ends, a group of positioning grooves 9 which are linearly distributed are symmetrically arranged along the two transverse ends of the upper clamping plate 6, the positioning blocks 7 are fixedly inserted into the positioning grooves 9, a group of limiting rods 8 are symmetrically arranged at the positions, close to the hydraulic cylinder 3, the U-shaped seat 10 is connected with the upper clamping plate 5 through a pin shaft 11, and the limiting rod 8 is in running fit with the upper clamping plate 5 through the U-shaped seat 10.

Further, the rotating assembly comprises a group of vertical plates 14 arranged at the bottom end of the base plate 4, a rotating shaft 15 horizontally connected with the lower clamping plate 6 in an inserting mode is arranged between the two vertical plates 14, one end of the rotating shaft 15 is connected with a bevel gear set 16, and a motor 17 connected with a driving end of the bevel gear set 16 is fixedly mounted at the bottom of the machine base 1.

Further, the fixed staple bolt 18 that cup joints mutually with pneumatic cylinder 3 that is equipped with of upper surface of frame 1, pneumatic cylinder 3 is the slope setting for frame 1, is favorable to the unloading of pipe fitting.

Further, the piston rod end of the hydraulic cylinder 3 extends into the space between the upper clamping plate 5 and the lower clamping plate 6, and the outer side walls of two sides of the hydraulic cylinder 3 close to the end of the upper clamping plate 5 are both provided with an inserting rod 20 connected with the upper clamping plate 5.

Further, the position department that the upper surface of lower plate 6 corresponds every group constant head tank 9 all is equipped with the recess, the bottom and the groove grafting of locating piece 7, and the fixed screw rod 12 that is equipped with in top of locating piece 7 for the fixed of locating piece 7 and upper plate 5 and lower plate 6's position.

Further, the screw 12 is inserted into the positioning groove 9, and a nut 13 is in threaded fit with the outer surface of the screw 12 and used for fixing the positioning block 7.

Furthermore, the outer surface of the machine base 1 is symmetrically provided with fastening bolts 19 along the two transverse ends, and the fastening bolts 19 penetrate through one end of the machine base 1 to be fixedly provided with a rubber seat 22, so that the stability of the structure of the machine base 1 is ensured.

Furthermore, the structure of the base 1 is arranged in a concave shape, and pulleys 21 are mounted at four corners of the bottom end of the base 1, so that the whole machine structure is movable and has good portability.

The implementation scenario is specifically as follows: the upper clamping plate 5 is connected with the hydraulic cylinder 3 through an insert rod 20, meanwhile, the lower clamping plate 6 is connected with a base plate 4 on one side of the machine base 1 through a rotating assembly, the upper clamping plate 5 and the lower clamping plate 6 are arranged oppositely in parallel, two positioning blocks 7 extend into the space between the upper clamping plate 5 and the lower clamping plate 6 from the end part of the upper clamping plate 5 according to the width of a pipe fitting, meanwhile, a screw 12 at the top end of each positioning block 7 is inserted into a positioning groove 9, the bottom end of each positioning block is connected with a groove on the inner side of the lower clamping plate 6 in a butt joint mode, then, a nut 13 outside the screw 12 is screwed, namely, the positioning blocks 7 are fixed between the upper clamping plate 5 and the lower clamping plate 6, then, the pipe fitting is inserted between the upper clamping plate 5 and the lower clamping plate 6 corresponding to the outside of the two positioning blocks 7, meanwhile, the piston, the pipe fitting can be bent, the limiting rods 8 are pressed inwards at two ends of the pipe fitting, the limiting rods 8 are in rotating fit with the upper clamping plate 5 through the U-shaped seats 10, the bending state of the pipe fitting is matched, the stability is good, the pipe fitting needs to be blanked after the pipe bending operation is finished, the motor 17 drives the bevel gear set 16 to rotate to drive the rotating shaft 15 which is inserted between the two base plates 14 and the lower clamping plate 6 to rotate, the lower clamping plate 6 rotates downwards for a certain angle, the original inserting state of the positioning block 7 and the groove in the inner side of the lower clamping plate 6 is relieved, a gap is formed between the positioning block 7 and the lower clamping plate 6, the pipe fitting can be unloaded;

whole equipment has more stable location to the pipe fitting, and limit structure has guaranteed the stability of pipe fitting process of buckling, and the return bend is effectual, and simultaneously, the operation of unloading of location, limit structure dismouting and pipe fitting is all comparatively convenient, and work efficiency can improve.

The working principle is as follows: the upper clamping plate 5 and the lower clamping plate 6 are arranged oppositely in parallel, according to the width of a pipe fitting, two positioning blocks 7 are extended into the space between the upper clamping plate 5 and the lower clamping plate 6 from the end part of the upper clamping plate 5, the pipe fitting is inserted into the space between the upper clamping plate 5 and the lower clamping plate 6 corresponding to the outer parts of the two positioning blocks 7, meanwhile, the piston rod end of the hydraulic cylinder 3 is contacted with the outer wall of the pipe fitting, the hydraulic machine 2 is started, the hydraulic cylinder 3 pushes the pipe fitting, the two ends of the pipe fitting press the limiting rods 8 inwards, the limiting rods 8 are in rotating fit with the upper clamping plate 5 through the U-shaped seats 10, the bending state of the pipe fitting is matched, the stability is good, then, the lower clamping plate 6 is driven by the motor 17 to rotate downwards for a certain angle, the original inserting state between the positioning blocks 7 and the inner side grooves of the;

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a strong bending machine of stability, includes frame (1), its characterized in that: the hydraulic press is characterized in that a hydraulic press (2) is fixedly mounted at the top end of the machine base (1), one end of the hydraulic press (2) is connected with a hydraulic cylinder (3) through a pipeline, one end of the hydraulic cylinder (3) is connected with an upper clamping plate (5), a base plate (4) is arranged on one side of the bottom end of the machine base (1), the base plate (4) is connected with an upper clamping plate (6) through a rotating assembly, the upper clamping plate (5) and the lower clamping plate (6) are oppositely arranged in parallel, positioning blocks (7) are symmetrically arranged between the upper clamping plate (5) and the lower clamping plate (6) along the two transverse ends, a group of positioning grooves (9) which are linearly distributed are symmetrically arranged on the upper clamping plate (5) along the two transverse ends, the positioning blocks (7) are fixedly inserted into the positioning grooves (9), a group of limiting rods (8) are symmetrically arranged on the outer surface of the upper clamping plate (, the U-shaped seat (10) is connected with the upper clamping plate (5) through a pin shaft (11), and the limiting rod (8) is in running fit with the upper clamping plate (5) through the U-shaped seat (10).

2. The bender according to claim 1, wherein said bender is characterized in that: the rotating assembly comprises a group of vertical plates (14) arranged at the bottom end of the base plate (4), a rotating shaft (15) horizontally connected with the lower clamping plate (6) in an inserting mode is arranged between the two vertical plates (14), one end of the rotating shaft (15) is connected with a bevel gear set (16), and a motor (17) connected with a driving end of the bevel gear set (16) is fixedly installed at the bottom of the base (1).

3. The bender according to claim 1, wherein said bender is characterized in that: the upper surface of frame (1) is fixed and is equipped with staple bolt (18) that cup joints mutually with pneumatic cylinder (3), pneumatic cylinder (3) are the slope setting for frame (1).

4. The bender according to claim 1, wherein said bender is characterized in that: the piston rod end of the hydraulic cylinder (3) extends into the space between the upper clamping plate (5) and the lower clamping plate (6), and the outer side walls of the two sides, close to the end of the upper clamping plate (5), of the hydraulic cylinder (3) are provided with inserting rods (20) connected with the upper clamping plate (5).

5. The bender according to claim 1, wherein said bender is characterized in that: the upper surface of lower plate (6) all is equipped with the recess to the position department that corresponds every group constant head tank (9), the bottom and the groove socket grafting of locating piece (7), and the fixed screw rod (12) that are equipped with in top of locating piece (7).

6. The bender according to claim 5, wherein said bending machine is characterized in that: the screw rod (12) is inserted into the positioning groove (9), and a nut (13) is in threaded fit with the outer surface of the screw rod (12).

7. The bender according to claim 1, wherein said bender is characterized in that: fastening bolts (19) are symmetrically arranged on the outer surface of the base (1) along the two transverse ends, and a rubber seat (22) is fixedly arranged at one end, penetrating through the base (1), of each fastening bolt (19).

8. The bender according to claim 1, wherein said bender is characterized in that: the structure of frame (1) is "concave" font setting, and four corners in the bottom of frame (1) all install pulley (21).