CN215879381U - Automatic pipe end forming machine for bent pipe - Google Patents

Abstract

The utility model discloses an automatic pipe end forming machine for a bent pipe, which comprises: the feeding unit comprises a feeding vibration disc; the processing unit comprises a die and a power assembly; the feeding unit further comprises a positioning component and a turnover component, wherein the turnover component is connected with the positioning component, an insertion end is formed on the turnover component, the insertion end is provided with a first state and a second state, and when the turnover component is in the first state, the insertion end is in butt joint with one port of the bent pipe; when the elbow pipe is in the second state, the inserting end is turned over, and the other port of the elbow pipe is matched with the pick-and-place manipulator; the mold comprises an outer mold and an inner mold. The automatic feeding vibration disc device can automatically and quickly adjust the posture of the bent pipe at the discharge port of the feeding vibration disc, so that the taking and placing mechanical arm can directly clamp and take the bent pipe and transfer the bent pipe to a mold for processing, and the device is simple and reliable in structure and convenient to use; on the other hand, the pipe end stress of the bent pipe is ensured to be uniform, the pipe end forming precision is improved, and the service life is prolonged.

Description

Automatic pipe end forming machine for bent pipe

Technical Field

The utility model belongs to the field of pipe end forming equipment, and particularly relates to an automatic pipe end forming machine for a bent pipe.

Background

At present, because some return bends design for the card pressure formula pipe fitting, consequently, after the return bend shaping, still need further processing to the pipe end of return bend, so, the return bend still need through the process of material loading, tip processing, and receipts material after the shaping, just can satisfy the design requirement of return bend product, wherein current processing mode is mainly by material loading vibration dish output return bend one by one, and the rethread manipulator clamp is got and is processed on reaching the pipe end former.

However, in the actual machining process, the existing machining device is easy to have the following technical problems:

1) the existing elbow end forming is mainly realized through die punch forming, so that the problem of uneven stress on the surface of an elbow is easily caused, the elbow is deformed, the precision is reduced, and the service life is influenced;

2) the gesture of the elbow pipe that directly is exported by material loading vibration dish can't be with pipe end former phase-match, needs the manipulator to adjust, and this type of mode requires very high to the intelligent degree of manipulator, needs a large amount of algorithm program, realizes the difficulty to the engineer, and research and development input is big, and manufacturing cost is high.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an improved automatic pipe end forming machine for bent pipes.

In order to solve the technical problems, the utility model adopts the following technical scheme:

an automatic pipe end forming machine for bent pipes, comprising:

the feeding unit comprises a feeding vibration disc for outputting bent pipes one by one;

the processing unit comprises a die for processing the end of the bent pipe and a power assembly;

a picking and placing manipulator for transferring the bent pipe from the discharge hole of the feeding vibration disc to a mould,

the feeding unit further comprises a positioning component and a turning component, wherein the positioning component is arranged at a discharge port of the feeding vibration disc, the turning component is connected with the positioning component, an inserting end matched with a port of the bent pipe is formed on the turning component, the inserting end is provided with a first state and a second state, and when the turning component is in the first state, the inserting end is in butt joint with the port of the bent pipe; when the elbow pipe is in the second state, the inserting end is turned over, and the other port of the elbow pipe is matched with the pick-and-place manipulator;

the mould comprises an outer mould arranged on the periphery of the end of the bent pipe and an inner mould used for extending into the end of the bent pipe, wherein the inner mould is arranged in a moving mode along the length direction of the corresponding pipe end, and the inner mould is further arranged in a synchronous rotating mode around the central line of the corresponding pipe end.

Preferably, the inner die is conical, and the center line of the inner die is parallel to the center line of the corresponding pipe end on the turned elbow pipe. The inner die simulation drill bit is arranged, so that the movement of the inner die simulation drill bit is realized, the stress of the pipe end of the bent pipe is uniform, the deformation is accurate, the design requirement is met, and the service life of the bent pipe is prolonged.

Further, the processing unit also comprises a clamping plate arranged on the periphery of the outer die. By the arrangement, the stability of the die is guaranteed, shaking is avoided, and smooth forming is guaranteed.

Preferably, the locating component comprises a pressing component and a material blocking component arranged outside a discharge hole of the feeding vibration disc in a blocking mode, wherein the pressing component comprises a pressing rod arranged above the discharge hole of the feeding vibration disc and a motor driving the pressing rod to move up and down, and the material blocking component comprises a base and a material blocking module arranged on the base. Set up like this, when the return bend moved to material loading vibration dish discharge gate, the depression bar kept the return bend fixed not producing to rock to in the pipe end of return bend was stretched into to the grafting end accuracy, simultaneously, before the upset subassembly resets, guarantee that next return bend is located the discharge gate department of material loading vibration dish.

Preferably, the upset subassembly includes upset module and driver part, and wherein the grafting end forms on the upset module, and the first state of grafting end is horizontal state, the second state is vertical state, and the upset module drives the end of pegging graft and reciprocates between first state and second state and switch.

Specifically, the driving part comprises a first driving part and a second driving part, wherein the first driving part drives the overturning module to reciprocate along the center line of the end of the bent pipe at the discharge port, and the second driving part drives the overturning module to overturn. Set up like this, return bend positioning accuracy is high, and the clamp of the manipulator of being convenient for is got.

Further, the automatic pipe end forming machine further comprises a correction assembly, wherein the correction assembly comprises a backup plate vertically arranged on one side of the turnover module and a push rod used for pushing the other port to abut against the backup plate. The direction of the other port of the bent pipe after being turned can be flexibly adjusted by the arrangement, so that the matching with the manipulator is ensured.

Specifically, the end part of the push rod used for pushing the bent pipe is provided with a push roller. The arrangement can protect the surface of the elbow and avoid damaging the surface of the elbow in the pushing process.

Preferably, the elbow is a right angle elbow.

In addition, material loading vibration dish includes the dish body, links up with the guide passageway of dish body mutually, wherein the return bend gets into the guide passageway from the dish body in proper order, and when the return bend moved to the guide passageway discharge gate, the return bend was in the horizontality and has a pipe end to expose the discharge gate.

Due to the implementation of the technical scheme, compared with the prior art, the utility model has the following advantages:

on one hand, the elbow pipe at the discharge port of the feeding vibration disc is automatically and quickly adjusted in posture by matching the positioning assembly and the overturning assembly, so that the elbow pipe posture can be matched with the mould, and therefore, the taking and placing manipulator can directly clamp the elbow pipe and transfer the elbow pipe to the mould for processing, and the automatic elbow pipe taking and placing device is simple and reliable in structure and convenient to use; on the other hand, when the pipe end of the bent pipe is machined, the pipe end of the bent pipe is uniformly stressed through the movement of the inner die, the pipe end forming precision is improved, and the service life is prolonged.

Drawings

Fig. 1 is a schematic structural view of an automatic pipe end forming machine for bent pipes according to the present invention;

FIG. 2 is a schematic structural diagram of the feeding unit in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the processing unit of FIG. 1;

wherein: w, bending the pipe;

1. a feeding unit; 10. a feeding vibration disc; 100. a disc body; 101. a material guide channel; b0, a bottom plate; b1, side plates; 11. a positioning assembly; 110. a pressing member; y0, a pressure lever; y1, a motor; 111. a material blocking component; d0, base; d1, a material blocking module; 12. a turnover assembly; 120. a turning module; c. a plug end; 121. a drive member; q1, a first driving member; q10, guide rails; q11, a drive rod; q2, a second driving member; 13. a correction component; 130. a backup plate; k. an abutting portion; 131. a push rod; t, pushing a roller;

2. a processing unit; 20. a mold; 200. an outer mold; 201. an inner mold; 21. a clamping plate; 22. a housing; 23. a power assembly; 230. a first power component; g0, oil cylinder; g1, oil pump; g2, oil tank; 231. a second power component; j0, rotary servo motor; j1, an electric cabinet;

3. a picking and placing manipulator; 30. a base; 31. a pick-and-place arm; 310. a chuck.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the automatic pipe end molding machine for a bent pipe according to the present embodiment includes a loading unit 1, a processing unit 2, and a pick-and-place robot 3.

In this example, the elbow w is a right angle elbow and has two ports.

Specifically, the feeding unit 1 includes a feeding vibration tray 10, a positioning assembly 11, a turnover assembly 12, and a correction assembly 13.

Referring to fig. 2, the feeding vibration tray 10 is used for outputting the elbows w one by one, and includes a tray body 100 and a material guiding channel 101 connected to the tray body 100, wherein the elbows w sequentially enter the material guiding channel 101 from the tray body 100, and when the elbows w move to the material outlet of the material guiding channel 101, the elbows w are in a horizontal state and have one pipe end exposed out of the material outlet. The arrangement is convenient for the insertion end to be inserted into the pipe end of the elbow pipe.

The material guiding passage 101 is arranged to be gradually narrowed along the material guiding direction, and the material guiding passage 101 includes a bottom plate b0 and side plates b1 disposed at both sides of the bottom plate b 0. The arrangement ensures that only one bent pipe passes through the material guide channel at each time, and the side plates can prevent the bent pipe from falling out of the material guide channel under the continuous vibration of the vibration plate.

The positioning assembly 11 is disposed at a discharge port of the feeding vibration tray 10, and includes a pressing part 110 and a material blocking part 111.

The pressing part 110 comprises a pressing rod y0 arranged above the discharge port of the material guide channel 101 and a motor y1 driving the pressing rod y0 to move up and down. By the arrangement, when the elbow moves to the discharge port of the material guide channel, the pressure rod keeps the elbow fixed and does not shake so that the insertion end on the turnover assembly accurately extends into the pipe end of the elbow.

In this embodiment, the material blocking component 111 is arranged outside the material outlet of the material guiding channel 101. By the arrangement, when the previous elbow is adjusted in posture, the next elbow can be ensured to be positioned at the discharge port of the material guide channel.

Specifically, the material blocking part 111 comprises a base d0 and a material blocking module d1 arranged on the base d0, wherein the material blocking module d1 extends along a direction perpendicular to the central line of the end of the elbow w pipe at the discharge port of the material guiding channel 101. Set up like this, when keeping off the material module and propping the return bend, can order about corresponding return bend pipe end and keep setting for the direction.

The flipping unit 12 is connected to the positioning unit 11 and includes a flipping module 120 and a driving unit 121.

Specifically, an insertion end c matched with a pipe end of the elbow pipe w is formed on the turnover module 120, the insertion end c has a first state and a second state, and when the insertion end c is in the first state, the insertion end c is in butt joint with a port of the elbow pipe w; when the elbow pipe w is in the second state, the turning module 120 drives the inserting end c to turn, so that the elbow pipe w is vertical, and the other port of the elbow pipe w is matched with the pick-and-place manipulator 3.

That is to say, when the device of this embodiment is installed, the extending direction of the material blocking module d1 is perpendicular to the length direction of the inserting end c.

The driving part 121 comprises a first driving piece q1 for driving the overturning module 120 to reciprocate along the center line of the pipe end of the elbow pipe w at the discharging port, and a second driving piece q2 for driving the overturning module 120 to overturn, wherein the first driving piece q1 comprises a guide rail q10 and a driving rod q 11; the second driving element q2 is a motor slidably disposed on the guide rail q10 and used for driving the tilting module 120 to tilt, and the driving rod q11 is connected to the second driving element q2 and drives the second driving element q2 to move along the length direction of the guide rail q 10. Set up like this, return bend positioning accuracy is high, and the clamp of the manipulator of being convenient for is got.

The correcting assembly 13 includes a backup plate 130 vertically disposed on one side of the turnover module 120, and a push rod 131 disposed in parallel with the backup plate 130, wherein when the elbow w is inserted into the turnover module 120 from one end and is in a vertical state, the push rod 131 pushes the other end of the elbow w to rotate around the center line of the one end and abut against the backup plate 130. Set up like this, simple structure for can adjust to the design gesture after the return bend upset, can directly get into in the tip manufacturing procedure after getting by the manipulator clamp.

Specifically, the backup plate 130 is provided with a butting portion k to butt against the surface of the elbow w.

Meanwhile, a push roller t is arranged at the end part of the push rod 131 for pushing the elbow w, and the central line of the push roller t is perpendicular to the moving direction of the push rod 131. The arrangement can protect the surface of the elbow and avoid damaging the surface of the elbow in the pushing process.

As shown in fig. 3, the processing unit 2 includes a mold 20 for processing the pipe end of the elbow w, a clamping plate 21, a housing 22, and a power assembly 23.

Specifically, the mold 20 includes an outer mold 200 disposed at the outer periphery of the pipe end of the elbow pipe w, and an inner mold 201 extending into the pipe end of the elbow pipe w.

Centre form 201 is the taper, and vertical setting, and during processing, centre form 201 stretches into the pipe end of return bend w and moves along vertical direction, and simultaneously, centre form 201 sets up around the synchronous rotation of the central line from corresponding the pipe end, and the pipe end deformation shaping thereupon of return bend w. The inner die simulation drill bit is arranged, so that the movement of the inner die simulation drill bit is realized, the stress of the pipe end of the bent pipe is uniform, the deformation is accurate, the design requirement is met, and the service life of the bent pipe is prolonged.

The clamping plate 21 is located at the periphery of the outer die 200 and is clamped inwards, and the outer shell 22 is sleeved on the periphery of the clamping plate 21. By the arrangement, the stability of the die is guaranteed, shaking is avoided, and smooth forming is guaranteed.

The power assembly 23 includes a first power member 230 for driving the inner mold 201 to move up and down, and a second power member 231 for driving the inner mold 201 to rotate synchronously.

For convenience of implementation, the first power component 230 of the present embodiment is hydraulically driven, and includes a cylinder g0, an oil pump g1, and an oil tank g 2; the second power component 231 is driven by a motor and comprises a rotary servo motor j0 for driving the inner die 201 to rotate and an electric cabinet j 1.

In addition, the pick-and-place manipulator 3 comprises a base 30 and a pick-and-place arm 31 connected to the base 30, wherein a chuck 310 matched with the corresponding pipe end of the elbow w is arranged on the end, far away from the base 30, of the pick-and-place arm 31. The chuck that here involves adopts the three-jaw chuck, snatchs stability height, fixes a position accurately.

In summary, the present embodiment has the following advantages:

1. the positioning assembly is matched with the overturning assembly, so that the bent pipe at the discharge port of the feeding vibration disc can be automatically and quickly adjusted in posture, the bent pipe posture can be matched with a mold, and thus, the bent pipe can be directly clamped and transferred to the mold for processing by the taking and placing manipulator;

2. when one end part of the bent pipe is machined, the other end part of the bent pipe is clamped on the pick-and-place manipulator, so that the positioning is accurate, the machining precision is high, and the yield of products is improved;

3. the bent pipe is clamped by the picking and placing manipulator through the chuck, so that the bent pipe is stably picked, and the bent pipe is prevented from falling off in the transferring process;

4. the bent pipe after being turned over is flexibly adjusted to be matched with the pick-and-place manipulator through the correction assembly;

5. simple production and manufacture and low cost.

The present invention has been described in detail in order to enable those skilled in the art to understand the utility model and to practice it, and it is not intended to limit the scope of the utility model, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.

Claims (10)

1. An automatic pipe end forming machine for bent pipes, comprising:

the feeding unit comprises a feeding vibration disc for outputting bent pipes one by one;

the processing unit comprises a die for processing the end of the bent pipe and a power assembly;

the taking and placing mechanical arm is used for transferring the bent pipe to the mould from the discharge hole of the feeding vibration disc,

the method is characterized in that:

the feeding unit further comprises a positioning component and a turning component, wherein the positioning component is arranged at a discharge port of the feeding vibration disc, the turning component is connected with the positioning component, an inserting end matched with a port of the bent pipe is formed on the turning component, the inserting end is provided with a first state and a second state, and when the inserting end is in the first state, the inserting end is in butt joint with the port of the bent pipe; when the elbow pipe is in the second state, the inserting end is turned over, and the other port of the elbow pipe is matched with the pick-and-place manipulator;

the mould comprises an outer mould arranged on the periphery of the end of the bent pipe and an inner mould used for extending into the end of the bent pipe, wherein the inner mould is arranged in a moving mode along the length direction corresponding to the end of the pipe, and the inner mould is further arranged in a synchronous rotating mode around the central line corresponding to the end of the pipe.

2. The automatic pipe end molding machine for an elbow pipe according to claim 1, characterized in that: the inner die is conical, and the center line of the inner die is parallel to the center line of the corresponding pipe end on the bent pipe after being turned over.

3. The automatic pipe end molding machine for an elbow pipe according to claim 1, characterized in that: the processing unit further comprises a clamping plate arranged on the periphery of the outer die.

4. The automatic pipe end molding machine for an elbow pipe according to claim 1, characterized in that: locating component including compressing tightly the part, and keeping off and establishing the outer fender material part of material loading vibration dish discharge gate, wherein compress tightly the part including setting up depression bar and the drive of material loading vibration dish discharge gate top the motor of depression bar up-and-down motion, it includes the base, sets up to keep off the material module on the base to keep off the material part.

5. The automatic pipe end molding machine for an elbow pipe according to claim 1, characterized in that: the overturning assembly comprises an overturning module and a driving part, wherein the inserting end is formed on the overturning module, the first state of the inserting end is a horizontal state, the second state of the inserting end is a vertical state, and the overturning module drives the inserting end to be switched between the first state and the second state in a reciprocating mode.

6. The automatic pipe end molding machine for an elbow pipe according to claim 5, wherein: the driving part comprises a first driving part and a second driving part, the first driving part drives the overturning module to reciprocate along the center line of the end of the bent pipe at the discharge port, and the second driving part drives the overturning module to overturn.

7. The automatic pipe end molding machine for an elbow pipe according to claim 5, wherein: the automatic pipe end forming machine further comprises a correction assembly, wherein the correction assembly comprises a backup plate vertically arranged on one side of the turnover module and a push rod used for pushing the other port to abut against the backup plate.

8. The automatic pipe end molding machine for an elbow pipe according to claim 7, wherein: and a push roller is arranged at the end part of the push rod for pushing the bent pipe.

9. The automatic pipe end molding machine for an elbow pipe according to any one of claims 1 to 8, wherein: the elbow is a right-angle elbow.

10. The automatic pipe end molding machine for an elbow pipe according to claim 1, characterized in that: the feeding vibration disc comprises a disc body and a material guide channel connected with the disc body, wherein the bent pipe sequentially enters the material guide channel from the disc body, and when the bent pipe moves to a discharge port of the material guide channel, the bent pipe is in a horizontal state and one pipe end of the bent pipe is exposed out of the discharge port.

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