CN217964216U

CN217964216U - Hydraulic pipe bender

Info

Publication number: CN217964216U
Application number: CN202221632098.9U
Authority: CN
Inventors: 钱苏萍
Original assignee: Suzhou Ju Long Metal Products Co ltd
Current assignee: Suzhou Ju Long Metal Products Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-06
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a hydraulic pipe bending machine relates to tubular product equipment technical field of bending. Wherein, this hydraulic pressure bending machine includes: a body; the transverse feeding mechanism is fixedly connected with the machine body; the longitudinal feeding mechanism is fixedly arranged on the machine body and is perpendicular to the transverse feeding mechanism; the control upper computer is electrically connected with the transverse feeding mechanism and the longitudinal feeding mechanism respectively; the pipe is transversely fed through the transverse feeding mechanism, and the longitudinal feeding mechanism is controlled to bend through controlling the upper computer. The utility model discloses, solve current pipe bender and adopt manual operation, at the in-process of return bend, because artifical hard uneven, the return bend can only rely on at every turn to observe and feel to judge whether bend suitable angle to tubular product, waste time and energy, when bending the work piece, the position of work piece takes place deviation and aversion easily, leads to the product to bend badly, causes the waste of manpower and materials, and has the production potential safety hazard, and the steel pipe forms the card after bending easily and dies, the inconvenient problem of taking out.

Description

Hydraulic pipe bender

Technical Field

The utility model belongs to the technical field of the tubular product equipment of bending technique and specifically relates to a hydraulic pipe bending machine.

Background

The pipe bender is a machine which can make the pipe generate regular plastic deformation under the action of external force such as push bending, press bending and the like. Taking a two-dimensional pipe bender as an example, a pipe has displacement in two directions of transverse direction and longitudinal direction on a machine tool body, the pipe is subjected to plastic deformation by applying pressure through longitudinal feeding while moving transversely, and the movement in the two directions is synthesized into a workpiece with a certain bending radius, a certain bending angle or a certain specific shape by adopting modes of bending, push bending, roll bending, bending and the like.

The existing pipe bending machine is manually operated, in the pipe bending process, because manual force is not uniform, whether a pipe is bent to a proper angle or not can be judged only by observing and feeling by pipe bending at each time, time and labor are wasted, when a workpiece is bent, the position of the workpiece is easy to deviate and shift, the stability is not high, the positioning precision is low, the product is not bent well, the waste of manpower and material resources is caused, the working efficiency is reduced, and the cost is increased. In view of the above problems, no effective solution has been proposed.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: a hydraulic pipe bending machine is provided to solve the above problems in the prior art.

The technical scheme is as follows: a hydraulic pipe bender, comprising:

a body;

the transverse feeding mechanism is fixedly connected with the machine body;

the longitudinal feeding mechanism is fixedly arranged on the machine body and is perpendicular to the transverse feeding mechanism; and

the control upper computer is electrically connected with the transverse feeding mechanism and the longitudinal feeding mechanism respectively;

the tube is transversely fed through the transverse feeding mechanism, and the control upper computer controls the longitudinal feeding mechanism to bend so as to automatically bend the tube.

Preferably, the infeed mechanism includes: and the transverse feeding oil cylinder is fixedly connected with the machine body, a sliding block is arranged at the output end of the transverse feeding oil cylinder, a sliding rail is arranged on the sliding block, and a pre-feeding support is arranged on the sliding rail.

Preferably, a pulse encoder is arranged on the transverse feeding oil cylinder and electrically connected with the control upper computer.

Preferably, the longitudinal feeding mechanism includes: the hydraulic station is electrically connected with the control upper computer, a hydraulic valve is arranged on the hydraulic station, the hydraulic station is electrically connected with the longitudinal feeding oil cylinder, a movable roller is arranged at the output end of the longitudinal feeding oil cylinder, and the movable roller is configured to abut against or separate from the pipe.

Preferably, a longitudinal differential transformer type displacement sensor which is parallel to the longitudinal feeding oil cylinder is arranged on the machine body, the longitudinal differential transformer type displacement sensor is electrically connected with the control upper computer, and the longitudinal differential transformer type displacement sensor is configured to detect and collect displacement values of the movable roller.

Preferably, a secondary displacement measuring sensor parallel to the longitudinal differential transformer type displacement sensor is arranged on the machine body, the secondary displacement measuring sensor is electrically connected with the control upper computer, and the secondary displacement measuring sensor is configured to detect and collect the rebound quantity of the bent pipe.

Preferably, the secondary displacement measuring sensor is located on a side away from the longitudinal feed cylinder.

Preferably, a feeding support is arranged on one side of the bottom of the machine body.

Preferably, a mandrel support is arranged on one side, away from the feeding support, of the bottom of the machine body.

Preferably, a fixed roller and a backup roller are sequentially arranged between the moving roller and the expected support from left to right, and the height of the fixed roller is lower than that of the backup roller.

Has the beneficial effects that: in this application embodiment, adopt the automatic mode of bending, tubular product passes through transverse feeding mechanism carries out the transverse feed, and pass through control host computer control vertical feed mechanism action of bending to bend to tubular product is automatic, reached the automatic feed and the purpose of bending, thereby realized the automation mechanized operation, improved the technical effect of bending precision and work efficiency, and then solved current pipe bending machine and adopted manual operation, at the in-process of return bend, because the manual work is hard uneven, the return bend can only rely on to observe and feel at every turn and judge whether bend to suitable angle tubular product, waste time and energy, when bending the work piece, the position of work piece takes place deviation and aversion easily, stability is not high, positioning accuracy is low, lead to the product to bend badly, cause the waste of manpower and materials, work efficiency is reduced, the technical problem of cost is increased.

Drawings

Fig. 1 is a schematic structural view of the hydraulic pipe bender of the present invention;

fig. 2 is a schematic view of a local structure of the hydraulic pipe bender of the present invention.

The reference signs are: 1. a body; 2. a transverse feeding mechanism; 21. a transverse feeding oil cylinder; 22. a slider; 23. a slide rail; 24. a stand is foreseen; 25. a pulse encoder; 3. a longitudinal feed mechanism; 31. a hydraulic station; 32. a hydraulic valve; 33. a longitudinal feed cylinder; 34. a moving roller; 4. controlling an upper computer; 5. a pipe; 6. a longitudinal differential transformer type displacement sensor; 7. a secondary displacement measuring sensor; 8. a feeding support; 9. a mandrel holder; 10. fixing a roller; 11. and backing the roller.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-2, the present application relates to a hydraulic pipe bender. This hydraulic pipe bending machine includes: a body 1; the machine body 1 is a machine tool body and can realize the effects of installing and fixing other components, thereby realizing good fixing and supporting effects. The transverse feeding mechanism 2 is fixedly connected with the machine body 1; the effect of 5 infeeds of tubular product can be realized to realize good material and carry the effect, and then realize the effect of stably feeding. The longitudinal feeding mechanism 3 is fixedly arranged on the machine body 1 and is perpendicular to the transverse feeding mechanism 2; the pipe bending machine can achieve a good longitudinal feeding effect, so that the pipe 5 is bent, and the effect of improving the working efficiency and precision by automatically bending is achieved. The control upper computer 4 is respectively and electrically connected with the transverse feeding mechanism 2 and the longitudinal feeding mechanism 3; the good overall control effect can be realized, so that the electric connection effect among all parts is realized, and the effect of cooperative control and action is further realized.

The pipe 5 is transversely fed through the transverse feeding mechanism 2, and the longitudinal feeding mechanism 3 is controlled to bend through the control upper computer 4, so that the pipe 5 is automatically bent. The pipe 5 automatic feeding and automatic bending effects can be achieved, so that the automatic operation effect is achieved, and the effects of improving the working efficiency and reducing the production cost are achieved.

From the above description, it can be seen that the following technical effects are achieved by the present application:

in the embodiment of the application, adopt the automatic mode of bending, tubular product 5 passes through transverse feeding mechanism 2 carries out the transverse feed, and pass through control host computer 4 control vertical feeding mechanism 3 bends the action, in order to bend tubular product 5 automation, reached the automatic feed and the purpose of bending, thereby realized the automation mechanized operation, improved the technical effect of bending precision and work efficiency, and then solved current pipe bending machine and adopted manual operation, at the in-process of return bend, because the manual work is hard uneven, the return bend can only rely on observation and sensation at every turn and judge whether to bend tubular product 5 to suitable angle, waste time and energy, when bending the work piece, the position of work piece takes place deviation and aversion easily, stability is not high, positioning accuracy is low, lead to the product to bend badly, cause the waste of manpower and materials, work efficiency is reduced, the technical problem of cost has been increased.

Further, the transverse feeding mechanism 2 includes: the horizontal feeding oil cylinder 21 is fixedly connected with the machine body 1, a sliding block 22 is arranged at the output end of the horizontal feeding oil cylinder 21, a sliding rail 23 is arranged on the sliding block 22, and a pre-feeding support 24 is arranged on the sliding rail 23. Can realize stable infeed effect to the loaded down with trivial details and danger of manual feeding are avoided in the realization. Furthermore, a pulse encoder 25 is arranged on the transverse feeding oil cylinder 21, and the pulse encoder 25 is electrically connected with the control upper computer 4. The effect of accurate control cross feed can be realized to improve good cross feed effect.

Further, the longitudinal feeding mechanism 3 includes: the hydraulic station 31 is electrically connected with the control upper computer 4, a hydraulic valve 32 is arranged on the hydraulic station 31, the hydraulic station 31 is electrically connected with a longitudinal feeding oil cylinder 33, a movable roller 34 is arranged at the output end of the longitudinal feeding oil cylinder 33, and the movable roller 34 is configured to abut against or separate from the pipe 5. The good longitudinal feeding effect can be realized, and the effect of automatically bending the pipe 5 is realized.

Further, a longitudinal differential transformer type displacement sensor 6 parallel to the longitudinal feeding oil cylinder 33 is arranged on the machine body 1, the longitudinal differential transformer type displacement sensor 6 is electrically connected with the control upper computer 4, and the longitudinal differential transformer type displacement sensor 6 is configured to detect and collect displacement values of the movable roller 34. The effect of angle of bending can be realized accurately controlling to realize improving the effect of the precision of bending. Furthermore, a secondary displacement measuring sensor 7 parallel to the longitudinal differential transformer type displacement sensor 6 is arranged on the machine body 1, the secondary displacement measuring sensor 7 is electrically connected with the control upper computer 4, and the secondary displacement measuring sensor 7 is configured to detect and collect the resilience amount of the bent pipe 5. The pipe 5 is bent, the resilience amount is detected by the secondary displacement measuring sensor 7, the numerical value of the resilience amount is collected and fed back to the control upper computer 4, the bending precision and accuracy can be further improved, the bending yield is improved, and the control precision is further improved. Preferably, the secondary displacement measuring sensor 7 is located on the side away from the longitudinal feed cylinder 33. The effect of the springback detection of the pipe 5 after bending can be achieved, so that good numerical data acquisition and feedback effects are achieved, and a data basis is provided for improving the bending precision.

Furthermore, a feeding support 8 is arranged on one side of the bottom of the machine body 1. Can realize good material loading supporting effect to realize the effect of stable feed.

Further, a mandrel support 9 is arranged on one side, far away from the feeding support 8, of the bottom of the machine body 1. Good supporting effect can be realized, so that the core rod is ensured to be in a stable state.

Further, a fixed roller 10 and a backup roller 11 are sequentially arranged between the moving roller 34 and the expected support 24 from left to right, and the height of the fixed roller 10 is lower than that of the backup roller 11. Can realize good fixed effect of bending.

The utility model discloses the theory of operation as follows:

1. the feeding process comprises the following steps: the slide rail 23 moves backwards (i.e., to the right in the drawing) to the rightmost end until it stops upon encountering the associated travel switch. At this time, the pipe 5 is passed through the hole between the movable roller 34 (in the process, the movable roller 34 returns to the original position, the center of the hole is at the same level as the fixed roller 10) and the fixed roller 10, and finally placed into the desired holder 24, and the pipe 5 is fixed by the fastening screw thereon.

2. The processing and feeding process comprises the following steps: the slide rail 23 moves to the left horizontally under the action of the transverse hydraulic cylinder, a magnetic strip is fixed on the slide rail 23 to drive the pulse encoder 25 to rotate, and at the moment, the pulse quantity is sent to the computer to obtain transverse feeding at each moment. At the moment, control software at an upper computer end controls feeding of a longitudinal hydraulic cylinder according to a profile curve of the pipe 5, the longitudinal hydraulic cylinder drives the movable roller 34 to rotate around the fixed roller 10, the fixed roller 10 is equivalent to a lever fulcrum at the moment, the pipe 5 is pressed into a corresponding shape, a displacement sensor fixed on the hydraulic cylinder obtains the position of the hydraulic cylinder at each moment, and the longitudinal state is transmitted to a computer to achieve closed loops in the X direction and the Y direction.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical solutions of the present invention can be subjected to various equivalent transformations within the scope of the technical idea of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A hydraulic pipe bender, comprising:

a body;

the transverse feeding mechanism is fixedly connected with the machine body;

2. The hydraulic bender according to claim 1, wherein the infeed mechanism comprises: and the transverse feeding oil cylinder is fixedly connected with the machine body, a sliding block is arranged at the output end of the transverse feeding oil cylinder, a sliding rail is arranged on the sliding block, and a pre-feeding support is arranged on the sliding rail.

3. The hydraulic bender according to claim 2, wherein a pulse encoder is provided on said infeed cylinder, said pulse encoder being electrically connected to said control upper computer.

4. The hydraulic bender according to claim 3, wherein the longitudinal feed mechanism comprises: the hydraulic station is electrically connected with the control upper computer, a hydraulic valve is arranged on the hydraulic station, the hydraulic station is electrically connected with the longitudinal feeding oil cylinder, a movable roller is arranged at the output end of the longitudinal feeding oil cylinder, and the movable roller is configured to abut against or separate from the pipe.

5. The hydraulic bender according to claim 4, wherein a longitudinal differential transformer-type displacement sensor is provided on said body in parallel with said longitudinal feed cylinder, said longitudinal differential transformer-type displacement sensor being electrically connected to said control host computer, said longitudinal differential transformer-type displacement sensor being configured to detect and collect displacement values of the moving roll.

6. The hydraulic bender according to claim 5, wherein a secondary displacement measuring sensor is provided on said body in parallel with said longitudinal differential transformer displacement sensor, said secondary displacement measuring sensor being electrically connected to said control host, said secondary displacement measuring sensor being configured to detect and collect the amount of springback of the tube after bending.

7. The hydraulic bender according to claim 6, wherein said secondary displacement measurement sensor is located on a side remote from said longitudinal feed cylinder.

8. The hydraulic bender according to claim 1, wherein a loading support is provided on one side of the bottom of the body.

9. The hydraulic bender according to claim 8, wherein a mandrel holder is provided on a side of the bottom of the body away from the loading holder.

10. The hydraulic bender according to claim 5, wherein a fixed roller and a backup roller are arranged between the moving roller and the expected support from left to right, and the height of the fixed roller is lower than that of the backup roller.