CN212551300U

CN212551300U - Pipe fitting processing equipment

Info

Publication number: CN212551300U
Application number: CN202020742017.5U
Authority: CN
Inventors: 张彩梅; 宁恒; 陆伟成; 方敏
Original assignee: Zhongshan Norye Hardware Co ltd
Current assignee: Zhongshan Norye Hardware Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-02-19
Anticipated expiration: 2030-05-08

Abstract

The utility model provides a pipe fitting processing device, which relates to the technical field of pipe fitting processing, and comprises a convex hull extruding and pushing device; the convex hull extrusion pushing device comprises a sleeve, a core rod and a plurality of convex hull extrusion blocks; the sleeve is used for penetrating into the pipe fitting and sleeved outside the core rod; the sleeve is provided with a plurality of limiting holes; the plurality of limiting holes are sequentially arranged at intervals along the circumferential direction of the sleeve; the plurality of convex hull extrusion blocks are respectively arranged in one-to-one correspondence with the plurality of limiting holes, and the convex hull extrusion blocks are embedded in the limiting holes; the core rod can extrude and push the convex hull extrusion block, so that one end of the convex hull extrusion block can protrude out of the sleeve from the limiting hole. The arrangement of a plurality of spacing holes, a plurality of convex closure extrusion blocks and the core rod can process a plurality of convex closures on the pipe fitting simultaneously, the convex closures do not need to be beaten in sequence, the distance between adjacent convex closures also does not need to be positioned, the cost time is short, the efficiency is high, and the operation is more accurate.

Description

Pipe fitting processing equipment

Technical Field

The utility model belongs to the technical field of the pipe fitting processing technique and specifically relates to a pipe fitting processing equipment is related to.

Background

At present, in order to realize the reasons of installation positioning or limiting and the like of pipe fittings, convex hulls need to be arranged on a plurality of pipe fittings. The pipe fitting convex wrapping means that: one or more outwardly convex hulls are formed on the outer wall of the tube.

In the prior art, the method for embossing the convex packet comprises the following steps: after the pipe fitting is fixed by a user, a convex die is added on the inner side of the pipe fitting, and a convex closure is punched on the outer side of the pipe fitting by a concave die from outside to inside. When a plurality of convex hulls are required to be formed at the same axial position of the pipe fitting, the convex die and the concave die are required to be rotated simultaneously, the punching position is adjusted as required, and the convex hulls are punched in sequence.

However, the above method of convex hull forming takes a long time and has low work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe fitting processing equipment to it is longer to have alleviated the time of the method cost of the protruding package of beating that exists among the prior art, the lower technical problem of operating efficiency.

The utility model provides a pipe fitting processing equipment, pipe fitting processing equipment includes: a convex hull extruding and pushing device; the convex hull extrusion pushing device comprises a sleeve, a core rod and a plurality of convex hull extrusion blocks; the sleeve is used for penetrating into the pipe fitting and sleeved outside the core rod; the sleeve is provided with a plurality of limiting holes; the plurality of limiting holes are sequentially arranged at intervals along the circumferential direction of the sleeve; the plurality of convex hull extrusion blocks are respectively arranged in one-to-one correspondence with the plurality of limiting holes, and the convex hull extrusion blocks are embedded in the limiting holes; the core rod can extrude and push the convex hull extrusion block, so that one end of the convex hull extrusion block can protrude out of the sleeve from the limiting hole.

Furthermore, a first guide surface is arranged on the convex hull extrusion block, and a second guide surface matched with the first guide surface is arranged at one end of the core rod.

Furthermore, the convex hull extruding and pushing device also comprises a plurality of reset elastic sheets; one ends of the reset elastic sheets are fixedly connected with the inner wall of the sleeve respectively, and the other ends of the reset elastic sheets are fixedly connected with the convex hull extrusion blocks respectively.

Further, the pipe fitting processing equipment further comprises a workbench, a pipe fitting fixing seat, a sleeve fixing seat and a moving device; the convex hull extruding and pushing device also comprises an extruding and pushing power mechanism; the pipe fitting fixing seat, the sleeve fixing seat, the moving device and the extrusion and pushing power mechanism are all arranged on the workbench; the pipe fixing seat is used for fixing a pipe and is connected with the moving device; the moving device is used for moving the pipe fitting fixing seat; the sleeve fixing seat is connected with the sleeve; the extrusion power mechanism is used for extruding and pushing the core rod so as to enable the core rod to extrude and push the convex hull extrusion block.

Further, the moving device comprises a ball screw, a guide rail and a driving motor; the extending directions of the ball screw and the guide rail are the same; the driving motor is connected with the ball screw; the pipe fixing seat is arranged on the guide rail and connected with the ball screw; the ball screw is used for driving the pipe fitting fixing seat to move along the extending direction of the guide rail.

Further, the pipe fitting processing equipment further comprises a pressing device; the pressing device is arranged on the workbench and used for pressing one end, far away from the pipe fixing seat, of the pipe.

Furthermore, the pressing device comprises a pressing oil cylinder, a pressing head, a pressing seat and a pressing block assembly; the pressing seat is provided with a fixing hole for penetrating the pipe fitting; the pressure head is arranged at one end of the pressing oil cylinder; the pressing block assembly is arranged in a fixing hole of the pressing seat; the pressing head presses the pipe fitting by pressing the pressing block assembly; the pressing block assembly is provided with a plurality of avoiding holes for avoiding a plurality of convex hulls.

Further, the pressing device can be detachably and fixedly connected with the workbench, and the pressing device can be detachably and fixedly connected with the sleeve fixing seat; the sleeve fixing seat is detachably and fixedly connected with the sleeve; the pipe fitting processing equipment further comprises a pipe contracting sleeve; the first end of the pipe reducing sleeve is detachably and fixedly connected with the extrusion power mechanism; the diameter of the through hole in the pipe reducing sleeve is gradually increased from the first end to the second end of the pipe reducing sleeve, the diameter of the through hole in the first end of the pipe reducing sleeve is smaller than the outer diameter of the pipe fitting, and the diameter of the through hole in the second end is larger than the outer diameter of the pipe fitting.

Furthermore, the squeezing and pushing power mechanism comprises an oil cylinder and a pushing seat; the push seat is arranged on the guide rail and can move along the extending direction of the guide rail; and two ends of the push seat are respectively used for abutting against the oil cylinder and the core rod.

Further, the pipe machining equipment further comprises a controller; the moving device and the squeezing and pushing power mechanism are respectively connected with the controller, and the controller is used for controlling the opening and closing of the moving device and controlling the opening and closing of the squeezing and pushing power mechanism.

The utility model provides a pipe fitting processing device, in the using process, a sleeve is penetrated into the pipe fitting, and a limiting hole on the sleeve is arranged corresponding to the position of a plurality of convex hulls to be formed on the pipe fitting; and then inserting the core rod into the sleeve, extruding and pushing the plurality of convex hull extrusion blocks by the core rod, enabling one ends of the plurality of convex hull extrusion blocks to protrude out of the sleeve from the limiting hole, extruding the inner wall of the pipe fitting, and enabling the pipe fitting to deform to form a plurality of convex hulls.

By last, the setting of a plurality of spacing holes, a plurality of convex closure extrusion pieces and plug can be processed simultaneously and form a plurality of convex closures on the pipe fitting, need not to beat the convex closure in proper order, also need not to fix a position the distance between the adjacent convex closure, and the cost time is shorter, and efficiency is higher and the operation is more accurate.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a pipe processing apparatus provided in an embodiment of the present invention;

fig. 2 is a front view of a pipe machining apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a convex hull squeezing device according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the mandrel and the convex hull extrusion block provided in the embodiment of the present invention;

fig. 5 is a schematic partial structural view of the pressing device according to the embodiment of the present invention in the first state;

fig. 6 is a schematic partial structural view of the pressing device according to the embodiment of the present invention in the second state;

fig. 7 is a schematic structural view of the compressing device fixedly connected to the sleeve fixing seat according to an embodiment of the present invention.

Icon: 1-a sleeve; 2-core rod; 3-convex hull extrusion block; 4-a pipe fitting; 5-a first guide surface; 6-a second guide surface; 7-resetting the elastic sheet; 8, a workbench; 9-pipe fitting fixing seat; 10-sleeve fixing seat; 11-a mobile device; 12-a squeezing power mechanism; 13-a compacting device; 14-a fixation hole; 15-avoiding holes; 16-shrink tube sleeve; 17-a controller; 18-briquetting; 19-a reset spring leaf; 1101-a ball screw; 1102-a guide rail; 1103 — drive motor; 1201-oil cylinder; 1202-pushing seat; 1203-an oil pump; 1204-oil tank; 1301-pressing oil cylinders; 1302-indenter; 1303-pressing the base; 1304-briquetting component.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

Fig. 1 is a schematic structural diagram of a pipe processing apparatus provided in an embodiment of the present invention; fig. 2 is a front view of a pipe machining apparatus according to an embodiment of the present invention; fig. 3 is a schematic view of a partial structure of a convex hull squeezing device according to an embodiment of the present invention; as shown in fig. 1-3, the embodiment of the present invention provides a pipe processing apparatus, including: a convex hull extruding and pushing device; the convex hull extruding and pushing device comprises a sleeve 1, a core rod 2 and a plurality of convex hull extruding blocks 3; the sleeve 1 is used for penetrating into the pipe fitting 4, and the sleeve 1 is sleeved outside the core rod 2; a plurality of limiting holes are formed in the sleeve 1; the plurality of limiting holes are sequentially arranged at intervals along the circumferential direction of the sleeve 1; the plurality of convex hull extrusion blocks 3 are respectively arranged in one-to-one correspondence with the plurality of limiting holes, and the convex hull extrusion blocks 3 are embedded in the limiting holes; the core rod 2 can extrude and push the convex hull extrusion block 3, so that one end of the convex hull extrusion block 3 can protrude out of the sleeve 1 from the limiting hole.

The embodiment of the utility model provides a pipe fitting processing equipment, in the use, penetrate sleeve 1 inside pipe fitting 4, make the spacing hole on sleeve 1 and the position that needs to form a plurality of convex closure on pipe fitting 4 correspond to the setting; then, a core rod 2 is inserted into the sleeve 1, the core rod 2 pushes the convex hull extrusion blocks 3, one ends of the convex hull extrusion blocks 3 protrude out of the sleeve 1 from the limiting holes, the inner wall of the pipe fitting 4 is extruded, and the pipe fitting 4 is deformed to form a plurality of convex hulls.

By last knowing, a plurality of spacing holes, a plurality of convex closure extrusion pieces 3 and setting up of plug 2 can be simultaneously processing on pipe fitting 4 and form a plurality of convex closures, need not to beat the convex closure in proper order, also need not to fix a position the distance between the adjacent convex closure, and the spend time is shorter, and efficiency is higher and the operation is more accurate.

Fig. 4 is a schematic structural view of the mandrel and the convex hull extrusion block provided in the embodiment of the present invention; as shown in fig. 4, in addition to the above embodiment, the convex hull extrusion block 3 is further provided with a first guide surface 5, and one end of the mandrel bar 2 is provided with a second guide surface 6 which is matched with the first guide surface 5.

The diameter of the sleeve 1 is selected according to actual conditions, and the convex hull extrusion block 3 extruded by the core rod 2 can form a convex hull with enough height on the pipe fitting 4.

The number of convex hulls and the distance of the interval can be selected according to actual conditions.

Specifically, a first guide surface 5 on the convex hull extrusion block 3 is arranged on one surface of the convex hull close to the inside of the pipe fitting 4, and a second guide surface 6 on the mandrel 2 is arranged on one end of the mandrel 2 close to the convex hull extrusion block 3. The first guide surface 5 and the second guide surface 6 are obliquely arranged, and the corresponding first guide surface 5 and the corresponding second guide surface 6 are parallel to each other.

Preferably, the sleeve 1 may comprise a first sub-cylinder and a second sub-cylinder, the first sub-cylinder and the second sub-cylinder being threadedly connected. The limiting hole is formed in the first sub-cylinder. The mandrel 2 may comprise a first sub-rod and a second sub-rod, which are threadedly connected. The first sub-bar is used for contacting the convex hull extrusion block 3. Because the external force effect that first sub-section of thick bamboo and first stick received is more, can the person's of facilitating the use dismouting change like this, reduce the replacement cost.

In this embodiment, in the use process, when the core rod 2 is inserted into the sleeve 1 and moves towards the convex hull extrusion block 3, the first guide surface 5 on the core rod 2 is matched with the second guide surface 6 on the convex hull extrusion block 3, and the guide effect makes the core rod 2 move more easily, so that the convex hull extrusion block 3 is pushed by the core rod 2 conveniently.

As shown in fig. 3 and 4, on the basis of the above embodiments, further, the convex hull pushing device further includes a plurality of reset spring pieces 7; one end of each reset elastic sheet 7 is fixedly connected with the inner wall of the sleeve 1, and the other end of each reset elastic sheet is fixedly connected with the convex hull extrusion blocks 3.

Preferably, the reset states of the plurality of convex hull extrusion blocks 3 are as follows: one part of the convex hull extrusion block 3 is positioned in the limiting hole, and the other part is positioned in the sleeve 1. Therefore, the convex hull extrusion block 3 can be immersed into the sleeve 1, the position of the convex hull extrusion block 3 can be limited by the limiting hole, the sleeve 1 can be conveniently moved in the pipe fitting 4, the core rod 2 can be conveniently matched with the convex hull extrusion block 3 again, and the next operation can be continuously used.

In the embodiment, in the using process, when the core rod 2 pushes the convex hull extrusion block 3, the convex hull extrusion block 3 moves, so that the reset elastic sheet 7 deforms; after the convex hull extrusion is finished, the core rod 2 is moved in the opposite direction, the core rod 2 is separated from the convex hull extrusion block 3, and the convex hull extrusion block 3 returns to the initial state under the elastic action of the reset elastic sheet 7. The setting of reset spring can make things convenient for the cooperation of plug 2 and convex closure extrusion piece 3 once more, and the operation continues to use next time.

As shown in fig. 1 and fig. 2, on the basis of the above embodiment, further, the pipe machining apparatus further includes a workbench 8, a pipe fixing seat 9, a sleeve fixing seat 10, and a moving device 11; the convex hull extruding and pushing device also comprises an extruding and pushing power mechanism 12; the pipe fixing seat 9, the sleeve fixing seat 10, the moving device 11 and the squeezing and pushing power mechanism 12 are all arranged on the workbench 8; the pipe fixing seat 9 is used for fixing the pipe 4, and the pipe fixing seat 9 is connected with the moving device 11; the moving device 11 is used for moving the pipe fixing seat 9; the sleeve fixing seat 10 is connected with the sleeve 1; the extruding and pushing power mechanism 12 is used for extruding and pushing the core rod 2 so as to enable the core rod 2 to extrude and push the convex hull extrusion block 3.

Wherein, the pipe fitting fixing seat 9 can be provided with a cylinder and a clamping jaw. Put into the middle of the clamping jaw with pipe fitting 4, then start the cylinder, make the clamping jaw hold pipe fitting 4 tightly to play the effect of fixed pipe fitting 4.

In the same way, the sleeve fixing seat 10 can also adopt the arrangement of the cylinder and the clamping jaw to play a role in fixing the sleeve 1.

The moving device 11 may be a supporting base with rollers at the bottom. The pipe fixing seat 9 is arranged on the supporting seat and fixedly connected with the supporting seat.

In the embodiment, in the using process, the pipe fitting fixing seat 9 fixes the pipe fitting 4, the sleeve fixing seat 10 fixes the sleeve 1, the core rod 2 is inserted into the sleeve 1, and the extrusion power mechanism 12 extrudes and pushes the core rod 2, so that the core rod 2 extrudes and pushes the convex hull extrusion block 3; after the extrusion of the convex hulls at the position is finished, the moving device 11 drives the pipe fitting fixing seat 9 to move, so that the relative positions of the convex hull extrusion blocks 3 and the pipe fitting 4 are moved; when the pipe 4 is moved to the preset position, the moving device 11 is suspended, and the mandrel 2 is made to push the convex hull extrusion block 3, so that the convex hull is formed on the outer wall of the pipe 4 at the position.

The convex hulls can be conveniently machined at a plurality of positions of the pipe fitting 4 by the aid of the arrangement.

As shown in fig. 1 and fig. 2, on the basis of the above embodiment, further, the moving device 11 includes a ball screw 1101, a guide rail 1102, and a driving motor 1103; the ball screw 1101 extends in the same direction as the guide rail 1102; the driving motor 1103 is connected with the ball screw 1101; the pipe fixing seat 9 is arranged on the guide rail 1102, and the pipe fixing seat 9 is connected with the ball screw 1101; the ball screw 1101 is used for driving the pipe fixing seat 9 to move along the extending direction of the guide rail 1102.

The driving motor 1103 may be a servo motor.

In this embodiment, in the use process, when the pipe 4 needs to be moved, the driving motor 1103 is started, and the driving motor 1103 drives the ball screw 1101 to rotate, so that the pipe fixing seat 9 moves on the guide tube along the extending direction of the guide rail 1102; when the pipe 4 moves to a preset position, the driving motor 1103 is turned off, so that the pipe fixing seat 9 stops moving.

The arrangement of the ball screw 1101 and the drive motor 1103 enables the position where the pipe 4 moves to be more accurate.

As shown in fig. 1 and fig. 2, on the basis of the above embodiment, further, the pipe machining apparatus further includes a pressing device 13; the pressing device 13 is arranged on the workbench 8, and the pressing device 13 is used for pressing one end, far away from the pipe fixing seat 9, of the pipe 4.

The pressing device 13 may include an upper pressing block, a lower pressing block, and a pressing block cylinder for driving the upper pressing block to move. The upper pressing block and the lower pressing block are respectively provided with an upper groove and a lower groove; in the use, place pipe fitting 4 in the low groove of briquetting down, utilize briquetting hydro-cylinder to drive briquetting and briquetting removal down, until last briquetting and briquetting butt down, upper groove and low groove form the hole that is used for holding pipe fitting 4. Therefore, the pipe fitting 4 can be pressed tightly, and the fixing and limiting effects on the pipe fitting 4 are achieved.

In this embodiment, pipe fitting 4 passes through pipe fitting fixing base 9 and closing device 13's fixed, the stability that can set up more in the course of working to guarantee the accuracy that the convex closure formed.

Fig. 5 is a schematic partial structural view of the pressing device according to the embodiment of the present invention in the first state; fig. 6 is a schematic partial structural view of the pressing device according to the embodiment of the present invention in the second state; as shown in fig. 1, 5 and 6, on the basis of the above embodiment, further, the pressing device 13 includes a pressing cylinder 1301, a pressing head 1302, a pressing base 1303 and a pressing block assembly 1304; the pressing base 1303 is provided with a fixing hole 14 for penetrating the pipe fitting 4; the pressure head 1302 is arranged at one end of the pressing oil cylinder 1301; the pressing block assembly 1304 is arranged in the fixing hole 14 of the pressing seat 1303; the ram 1302 compresses the pipe 4 by pressing the press block assembly 1304; the pressing block assembly 1304 is provided with a plurality of avoidance holes 15 for avoiding a plurality of convex hulls.

Wherein the compact assembly 1304 may include a plurality of compacts 18. Except for the pressing block 18 at the bottom of the pressing seat 1303, the rest pressing blocks 18 can be provided with return spring pieces 19. When the pressure head 1302 is far away from the pressure seat 1303, the pressing blocks 18 are at the initial positions under the action of the reset spring pieces 19, and the spaces among the pressing blocks 18 can facilitate the pipe fitting 4 to penetrate through the spaces; when the ram 1302 presses on the mass assembly 1304, the mass 18 with the return spring plate 19 moves, thereby deforming the return spring plate 19.

The number of compacts 18 may be the same as the number of convex hull pressing compacts 3.

Each pressing block 18 may be provided with one escape hole 15, or two adjacent pressing blocks 18 may form one escape hole 15.

In this embodiment, in the use process, the pipe fixing seat 9 and the pressing device 13 fix the pipe 4 at the same time. One end, far away from the pipe fixing seat 9, of the pipe 4 is placed in the fixing hole 14 of the pressing seat 1303, the pressing cylinder 1301 drives the pressing head 1302 to move towards the pressing seat 1303, and therefore the pressing head 1302 presses the pressing block assembly 1304 to press the pipe 4. Inside inserting pipe fitting 4 with sleeve 1, making convex closure extrusion piece 3 set up in the position of pressing seat 1303, when core rod 2 crowded convex closure extrusion piece 3 that pushes away, form the convex closure on the outer wall of pipe fitting 4, the convex closure can be embedded into to the hole 15 of dodging that corresponds. Because the position atress that pipe fitting 4 pushed the convex closure crowded is great, the stability that 4 settings of improvement pipe fittings that above-mentioned setting can be better to guarantee the accuracy that the convex closure formed.

Fig. 7 is a schematic structural view of the compressing device provided in the embodiment of the present invention when being fixedly connected to the sleeve fixing seat; as shown in fig. 7, on the basis of the above embodiment, further, the pressing device 13 can be detachably and fixedly connected with the workbench 8, and the pressing device 13 can be detachably and fixedly connected with the sleeve fixing seat 10; the sleeve fixing seat 10 is detachably and fixedly connected with the sleeve 1; the pipe fitting processing equipment also comprises a pipe contracting sleeve 16; the first end of the pipe contracting sleeve 16 is detachably and fixedly connected with the extrusion power mechanism 12; from the first end to the second end of the pipe reducing sleeve 16, the diameter of the through hole in the pipe reducing sleeve 16 is gradually increased, the diameter of the through hole at the first end of the pipe reducing sleeve 16 is smaller than the outer diameter of the pipe fitting 4, and the diameter of the through hole at the second end is larger than the outer diameter of the pipe fitting 4.

Wherein, closing device 13 can with workstation 8 bolted connection, and closing device 13 can with sleeve fixing base 10 bolted connection.

The sleeve fixing seat 10 is in threaded connection with the sleeve 1, and the pipe contracting sleeve 16 is in threaded connection with the extrusion power mechanism 12.

In this embodiment, in the use process, the pressing device 13 is connected to the sleeve fixing seat 10, the pipe contracting sleeve 16 is connected to the extruding and pushing power mechanism 12, and the pipe 4 is fixed by the pipe fixing seat 9. The squeezing and pushing power mechanism 12 drives the pipe contracting sleeve 16 to move, so that one end of the pipe fitting 4 enters the through hole from the second end of the pipe contracting sleeve 16, the pipe contracting operation at the end of the pipe fitting 4 can be completed by continuously squeezing and pushing the pipe contracting sleeve 16.

When the convex hull pulling operation is required, the pressing device 13 can be separated from the sleeve fixing seat 10, and the pressing device 13 is fixedly connected with the workbench 8 and is positioned at one end of the pipe fitting 4 far away from the pipe fitting fixing seat 9; finally, the shrink tube sleeve 16 is removed.

The equipment can realize two operations of drawing the convex hull and shrinking the pipe, the application range of the equipment is expanded, and the equipment acquisition cost can be saved.

As shown in fig. 1 and fig. 2, on the basis of the above embodiment, further, the squeezing power mechanism 12 includes an oil cylinder 1201 and a pushing seat 1202; the push seat 1202 is disposed on the guide rail 1102, and the push seat 1202 can move along the extending direction of the guide rail 1102; two ends of the pushing seat 1202 are respectively used for abutting against the oil cylinder 1201 and the core rod 2.

Wherein the shrink tube sleeve 16 can be detachably and fixedly connected with the push seat 1202.

The squeezing power mechanism 12 further includes an oil pump 1203 and an oil tank 1204. The oil cylinder 1201 and the oil tank 1204 are connected to an oil pump 1203, respectively.

In this embodiment, during use, the oil cylinder 1201 pushes the pushing seat 1202, and the pushing seat 1202 moves along the extending direction of the guide rail 1102, thereby pushing the core rod 2 to move.

As shown in fig. 1, on the basis of the above embodiment, further, the pipe machining apparatus further includes a controller 17; the moving device 11 and the squeezing power mechanism 12 are respectively connected with a controller 17, and the controller 17 is used for controlling the opening and closing of the moving device 11 and controlling the opening and closing of the squeezing power mechanism 12.

The controller 17 is connected to the driving motor 1103 of the moving device 11 and the oil cylinder 1201 of the squeezing power mechanism 12.

Preferably, the pressure cylinder 1301 can be connected to a controller 17, and the controller 17 is used for controlling the expansion and contraction of the pressure cylinder 1301.

A position sensor can be arranged on the guide rail 1102 and used for detecting the position of the pipe fixing seat 9, and the position sensor is connected with the controller 17, so that the controller 17 is assisted to limit the stroke of the oil cylinder 1201.

In this embodiment, during the use process, the controller 17 controls the setting position of the pipe 4 by controlling the opening and closing of the moving device 11, so as to control the position of the convex hull formed on the pipe 4; the controller 17 controls the movement of the mandrel 2 by controlling the opening and closing of the extrusion power mechanism 12, thereby controlling the extrusion of the convex hull extrusion block 3 by the mandrel 2. The arrangement of the controller 17 can make the convex hull pulling operation more accurate and more automatic.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A pipe machining apparatus, comprising: a convex hull extruding and pushing device; the convex hull extrusion pushing device comprises a sleeve, a core rod and a plurality of convex hull extrusion blocks;

the sleeve is used for penetrating into the pipe fitting and sleeved outside the core rod; the sleeve is provided with a plurality of limiting holes; the plurality of limiting holes are sequentially arranged at intervals along the circumferential direction of the sleeve; the plurality of convex hull extrusion blocks are respectively arranged in one-to-one correspondence with the plurality of limiting holes, and the convex hull extrusion blocks are embedded in the limiting holes; the core rod can extrude and push the convex hull extrusion block, so that one end of the convex hull extrusion block can protrude out of the sleeve from the limiting hole.

2. The pipe machining apparatus of claim 1, wherein the convex hull extrusion block is provided with a first guide surface, and one end of the mandrel is provided with a second guide surface that mates with the first guide surface.

3. The pipe machining apparatus of claim 2, wherein the convex hull extrusion device further comprises a plurality of reset spring plates;

one ends of the reset elastic sheets are fixedly connected with the inner wall of the sleeve respectively, and the other ends of the reset elastic sheets are fixedly connected with the convex hull extrusion blocks respectively.

4. The pipe machining apparatus of claim 1, further comprising a table, a pipe fixing seat, a sleeve fixing seat, and a moving device; the convex hull extruding and pushing device also comprises an extruding and pushing power mechanism;

the pipe fitting fixing seat, the sleeve fixing seat, the moving device and the extrusion and pushing power mechanism are all arranged on the workbench; the pipe fixing seat is used for fixing a pipe and is connected with the moving device; the moving device is used for moving the pipe fitting fixing seat; the sleeve fixing seat is connected with the sleeve; the extrusion power mechanism is used for extruding and pushing the core rod so as to enable the core rod to extrude and push the convex hull extrusion block.

5. The pipe machining apparatus of claim 4 wherein the moving device includes a ball screw, a guide rail, and a drive motor;

the extending directions of the ball screw and the guide rail are the same; the driving motor is connected with the ball screw; the pipe fixing seat is arranged on the guide rail and connected with the ball screw; the ball screw is used for driving the pipe fitting fixing seat to move along the extending direction of the guide rail.

6. The pipe machining apparatus of claim 4 further comprising a hold down device;

the pressing device is arranged on the workbench and used for pressing one end, far away from the pipe fixing seat, of the pipe.

7. The pipe machining apparatus of claim 6 wherein the hold-down device includes a hold-down cylinder, a ram, a press seat, and a press block assembly;

the pressing seat is provided with a fixing hole for penetrating the pipe fitting; the pressure head is arranged at one end of the pressing oil cylinder; the pressing block assembly is arranged in a fixing hole of the pressing seat; the pressing head presses the pipe fitting by pressing the pressing block assembly; the pressing block assembly is provided with a plurality of avoiding holes for avoiding a plurality of convex hulls.

8. The pipe machining apparatus of claim 6, wherein the hold-down device is removably and fixedly connectable with the table and the sleeve holder; the sleeve fixing seat is detachably and fixedly connected with the sleeve;

the pipe fitting processing equipment further comprises a pipe contracting sleeve; the first end of the pipe reducing sleeve is detachably and fixedly connected with the extrusion power mechanism; the diameter of the through hole in the pipe reducing sleeve is gradually increased from the first end to the second end of the pipe reducing sleeve, the diameter of the through hole in the first end of the pipe reducing sleeve is smaller than the outer diameter of the pipe fitting, and the diameter of the through hole in the second end is larger than the outer diameter of the pipe fitting.

9. The pipe machining apparatus of claim 5, wherein the squeezing and pushing power mechanism includes an oil cylinder and a pushing seat;

the push seat is arranged on the guide rail and can move along the extending direction of the guide rail; and two ends of the push seat are respectively used for abutting against the oil cylinder and the core rod.

10. The pipe machining apparatus of claim 4 further comprising a controller;

the moving device and the squeezing and pushing power mechanism are respectively connected with the controller, and the controller is used for controlling the opening and closing of the moving device and controlling the opening and closing of the squeezing and pushing power mechanism.