CN110640433A - Spinning equipment for copper column feet of PE electric melting pipe fittings - Google Patents
Spinning equipment for copper column feet of PE electric melting pipe fittings Download PDFInfo
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- CN110640433A CN110640433A CN201910895505.1A CN201910895505A CN110640433A CN 110640433 A CN110640433 A CN 110640433A CN 201910895505 A CN201910895505 A CN 201910895505A CN 110640433 A CN110640433 A CN 110640433A
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- copper column
- pipe fitting
- copper
- clamping
- displacement mechanism
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 199
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 198
- 239000010949 copper Substances 0.000 title claims abstract description 198
- 238000009987 spinning Methods 0.000 title claims abstract description 105
- 238000002844 melting Methods 0.000 title claims abstract description 24
- 230000008018 melting Effects 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 183
- 238000006073 displacement reaction Methods 0.000 claims abstract description 103
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000002788 crimping Methods 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 16
- 238000007906 compression Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 239000004698 Polyethylene Substances 0.000 description 17
- 229920000573 polyethylene Polymers 0.000 description 17
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000003825 pressing Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention relates to a spinning device for copper column feet of PE electric melting pipe fittings, comprising a frame; the pipe fitting conveying device is arranged on the rack and comprises a conveying belt, a pipe fitting seat and a tool positioning mechanism; the copper column foot spinning device comprises a clamping mechanism, a guard ring positioning mechanism and a spinning head; the copper column foot conveying device comprises a vibrating disc main body, a feeding groove and a discharging groove and is used for conveying copper column feet to the discharging groove in order to be clamped by a clamping mechanism; the longitudinal displacement mechanism is connected with the spinning head and is used for realizing the displacement of the spinning head in the longitudinal direction; and the upper part of the transverse displacement mechanism is connected with the upper part of the fixing frame, and the lower part of the transverse displacement mechanism is connected with the longitudinal displacement mechanism and the guard ring positioning mechanism, so that the synchronous displacement of the guard ring positioning mechanism, the longitudinal displacement mechanism and the spinning head in the transverse direction is realized. Compared with the prior art, the automatic positioning device has the advantages that automatic operations such as pipe fitting conveying and positioning, copper cylinder pin conveying, copper cylinder pin compression joint and the like are realized, the production efficiency is high, and the product quality is good.
Description
Technical Field
The invention belongs to the technical field of electric melting pipe fitting machining, relates to a copper column foot press-connection technology of an electric melting pipe fitting adopting a post wire laying process, and particularly relates to spinning equipment for a copper column foot of a PE electric melting pipe fitting.
Background
A high-density Polyethylene (PE) electric melting pipe fitting is a pipe connecting piece with a resistance wire for electric heating welding embedded inside. The production process generally comprises two resistance wire embedding processes of front wire distribution and rear wire distribution, wherein the front wire distribution is to embed the resistance wires connected with two connecting copper column feet into a mold in advance and then to perform injection molding; the back wire laying is to cut a groove on the inner wall of the injection molded pipe fitting, press and embed a copper wire in the groove, and then press and connect two copper column feet of the resistance wire on the external connection port. The prior wire laying process has high-efficiency automatic equipment, but the equipment investment is large at one time due to the integration of a plurality of processes, the equipment reliability and the material consumption are high, and the application and popularization of the wire laying process are limited to a certain extent. The back cloth silk technology has fine flexibility in the aspect of conventional equipment and frock resource utilization, still adopts for most of manufacturing enterprises at present, but copper post foot crimping wherein is manual operation completion, has inevitably brought cost of labor, a series of problems such as production efficiency and quality stability, and contact failure between resistance wire and the copper post foot is also not uncommon. The production efficiency and the quality stability of the post-filament distribution process are improved, and the post-filament distribution process has obvious practical production requirements. The manual compression joint of the copper column feet in the post wire distribution process, whether the sleeve gasket is connected with the resistance wire or the manual wire winding compression joint, obviously influences the efficiency due to the increase of the working procedures, and is difficult to ensure the quality stability of each compression joint; whether the resistance wire is reliably connected with the copper column pin or not can be judged only in the resistance value detection of the back-end independent layout.
Resistance wires in the PE electric melting pipe fittings are small in resistance value, large current needs to be introduced to heat and weld PE materials on the surfaces of butt-jointed pipes, a large contact surface and small contact resistance need to be arranged between the resistance wires and copper column feet, and the existing manual compression joint of the copper column feet is provided with additional connecting gaskets, resistance wire multi-circle winding foot compression joint modes and the like; because the internal diameter of the copper column base protective shroud of PE electric smelting pipe fitting is injectd only about 10mm, will realize simultaneously in such little space that the resistance wire catches a series of actions such as fixed, copper column base centre gripping is fixed, the resistance wire convolutes copper column base root, the copper column base is whole to be impressed in PE pipe fitting copper column base protective shroud inner joint hole, have higher realization complexity. The full-automatic copper column foot crimping equipment is supposed to be developed, and a series of processes of conveying a pipe fitting, accurately stopping the pipe fitting at a preset position, orderly conveying the copper column foot, winding a resistance wire on the copper column foot and pressing the copper column foot into a PE pipe fitting crimping hole in an artificial mode can be achieved.
In order to overcome the defects in the prior art, the invention provides the automatic PE electric melting pipe copper column base spinning equipment which has the functions of realizing pipe conveying, pipe accurate stopping, copper column base ordered conveying, copper column base compression joint and the like, and has high production efficiency and good product quality.
Disclosure of Invention
The invention overcomes the defects in the prior art, provides the automatic PE electric melting pipe copper column base spinning equipment which has the functions of realizing pipe conveying, pipe accurate stopping, copper column base ordered conveying, copper column base compression joint and the like, and has high production efficiency and good product quality.
The technical scheme of the invention is realized as follows:
a spinning device for copper column feet of PE electric melting pipe fittings comprises,
the rack is a supporting main body of the equipment, and a fixed frame is connected above the rack;
the pipe fitting conveying device is arranged on the rack and comprises a conveying belt, a pipe fitting seat connected to the conveying belt and used for placing a pipe fitting, and a tool positioning mechanism used for enabling the pipe fitting seat to stay at a preset position;
the copper column foot spinning device which is oppositely arranged on the left side and the right side of the preset position comprises a clamping mechanism for clamping the copper column foot, a protective ring positioning mechanism for positioning the position of a protective ring of the copper column foot of the pipe fitting, and a spinning head which is arranged above the protective ring positioning mechanism in a hanging mode and is used for spinning the copper column foot to a hole in the protective ring of the copper column foot of the pipe fitting;
the copper column foot conveying device is arranged beside the copper column foot spinning device, comprises a vibrating disc main body, a feeding groove and a discharging groove and is used for conveying the copper column feet to the discharging groove in order to be clamped by a clamping mechanism;
the longitudinal displacement mechanism is connected with the spinning head and is used for realizing the displacement of the spinning head in the longitudinal direction;
and the upper part of the transverse displacement mechanism is connected with the upper part of the fixing frame, and the lower part of the transverse displacement mechanism is connected with the longitudinal displacement mechanism and the guard ring positioning mechanism, so that the guard ring positioning mechanism, the longitudinal displacement mechanism and the spinning head connected to the longitudinal displacement mechanism synchronously displace in the transverse direction.
In the invention, the pipe fitting conveying device is used for realizing the stable conveying and accurate stopping of the pipe fitting at a preset position, the copper column feet are orderly arranged and conveyed, the positions of the spinning head and the guard ring positioning mechanism are adjusted by the longitudinal displacement mechanism and the transverse displacement mechanism, the clamping and the clamping of the arranged copper column feet are realized by the copper column foot spinning device, the copper column feet are inserted into the spinning head, the copper column foot guard ring is aligned with the copper column feet on the spinning head above, the rotation and the pressing of the copper column feet to the inner connection holes of the copper column foot guard ring are realized, the compression connection work of the copper column feet is efficiently and stably completed (specifically, when the clamping mechanism inserts the non-embedded section of the copper column feet into the spinning head, and the clamping mechanism is moved out and reset, the transverse displacement mechanism drives the guard ring positioning mechanism, the longitudinal displacement mechanism and the spinning head to transversely move towards the position direction of the pipe fitting, when the guard ring positioning mechanism positions the copper column feet of the pipe fitting to be aligned with the copper, the transverse displacement mechanism stops moving, then the longitudinal displacement mechanism drives the spinning head to move downwards to enable the copper column foot to be inserted into the copper column foot guard ring of the pipe fitting, then the spinning head rotates the resistance wire to enable the resistance wire to wind on the copper column foot embedding section, finally the copper column foot is pressed downwards to enable the embedding section to be pressed into the crimping hole, so that the crimping installation of the copper column foot is completed, then the longitudinal displacement mechanism drives the spinning head to move upwards to reset, and finally the transverse displacement mechanism drives the guard ring positioning mechanism, the longitudinal displacement mechanism and the spinning head to move back to the initial position); the invention overcomes the operation difficulty of the post-wire-laying process in the prior art, can automatically realize the transmission of the pipe fittings, the accurate stay of the pipe fittings and the ordered transmission of the copper column feet, and realizes the compression joint of the copper column feet (comprising a series of actions of catching and fixing the resistance wire, clamping and fixing the copper column feet, winding the resistance wire around the root part of the copper column feet, integrally pressing the copper column feet into the inner joint holes of the copper column foot guard ring of the PE pipe fittings) in the small space, thereby greatly improving the production efficiency and the quality of products. The rotating pressing devices of each pair of copper column feet are symmetrically arranged, two pipe fitting copper column foot guard rings are respectively arranged on two side parts of the periphery of the PE electric melting pipe fitting on the market, the guard ring positioning mechanisms arranged oppositely position the pipe fitting copper column foot guard rings on the same side respectively, the guard ring positioning mechanisms on two sides limit the pipe fitting to move, rotate and other deflection conditions together, the accurate correspondence of the upper and lower positions of the press-connection holes in the copper column feet and the pipe fitting copper column foot guard rings is ensured, and the accurate in-place press connection of the copper column feet is further ensured; according to production needs, can set up many pairs of copper post foot spinning device simultaneously. Wherein the vibration dish main part adopts common vibration dish structure among the prior art, can arrange required copper post foot state in an orderly manner automatically, need not to press from both sides and get mechanism, spinning head etc. and overturn the adjustment again, improves machining efficiency.
Preferably, the spinning head comprises a collet chuck which is used for clamping a copper column base and is of a hollow tubular structure, a jacking rod which is arranged in the collet chuck and is coaxial with the collet chuck, and a clamping groove tube barrel which is sleeved on the outer side of the collet chuck and is coaxial with the collet chuck, wherein the jacking rod is provided with a telescopic driving mechanism used for realizing axial movement relative to the collet chuck, the clamping groove tube barrel is provided with a rotary driving mechanism used for realizing rotation around the axis of the collet chuck, and the lower end of the clamping groove tube barrel is provided with a clamping groove used for catching a lower end opening of a resistance.
The clamping mechanism inserts the non-embedded section of the copper column foot into a collet chuck of the spinning head, when the protective ring positioning mechanism positions a copper column foot protective ring of the pipe fitting to be aligned with the copper column foot on the collet chuck, the spinning head enables the copper column foot on the collet chuck to be inserted into the copper column foot protective ring of the pipe fitting, then the clamping groove pipe barrel is rotated through the rotary driving mechanism to enable a resistance wire clamped on the clamping groove to be wound on the copper column foot embedded section, and finally the copper column foot is pressed downwards through the telescopic driving mechanism to enable the copper column foot embedded section to be pressed into a crimping hole, so far, crimping installation of the copper.
Preferably, the clamping mechanism comprises a clamping arm, a clamping clamp arranged at one end of the clamping arm, and a steering engine connected with the other end of the clamping arm and used for controlling the clamping arm and the clamping clamp to rotate, and the steering engine is connected with a lifting driving device used for realizing the displacement of the whole clamping mechanism in the longitudinal direction.
First press from both sides and get the clamp and carry out the copper post foot and get the material, under the effect of steering wheel, press from both sides and get the arm and drive to press from both sides and get the clamp and deliver to spinning head below with the copper post foot, then under lift drive arrangement's drive, the steering wheel drives to press from both sides and gets the arm, press from both sides and get the clamp and move down and make to press from both sides and get the clamp and break away from with the copper post foot, and under the effect of steering wheel, it drives to press from both sides and gets the clamp and turn out spinning head below to press from both sides the arm to press from both sides, then carry out the copper post foot again and get the material, so circulation.
Preferably, the guard ring positioning mechanism comprises a positioning clamp with an opening facing the side face of the tube copper column base guard ring, the inner end of the opening of the positioning clamp is provided with a touch switch connected with the transverse displacement mechanism, when the positioning clamp moves towards the side face of the tube copper column base guard ring until the touch switch contacts with the side face of the tube copper column base guard ring, the tube copper column base guard ring and the crimping hole are positioned to be aligned with the copper column base on the upper spinning head, and the transverse displacement mechanism stops moving.
When touch switch and pipe fitting copper post foot protective shroud side contact, it has aimed at the copper post foot on the top spinning head to show pipe fitting copper post foot protective shroud, triggers touch switch simultaneously and makes lateral displacement mechanism stop moving, and this is for preventing protective shroud positioning mechanism from continuing to remove, guarantees that the position between pipe fitting copper post foot protective shroud and the copper post foot corresponds not skew from top to bottom, and then guarantees that the copper post foot crimping is accurate targets in place, improves production efficiency and product quality.
Preferably, the tool positioning mechanism comprises a proximity switch arranged on the rack and a metal sheet arranged at the pipe fitting seat, and the proximity switch is used for sensing the metal sheet so as to position the pipe fitting seat and the pipe fitting to stay at a preset position.
Make the pipe fitting can automatic stay between two copper post foot spinning unit of subtend setting, it is stable accurate, efficient.
Preferably, the pipe fitting conveying device is connected with a lifting adjusting mechanism for adjusting the height of the pipe fitting conveying device; the lifting adjusting mechanism comprises a lifting adjusting motor, a chain wheel, a screw rod penetrating through the central axis of the chain wheel and a flange nut sleeved on the screw rod, the upper end and the lower end of the screw rod are both connected with the rack, and the flange nut is connected with the pipe fitting conveying device through a connecting seat.
The height of the pipe fitting conveying device is adjusted according to the diameters of different pipe fittings, so that the normal spinning installation of the copper column base can be realized for the pipe fittings with different diameters, and the application range of the equipment is wider; specifically, the distance between the conveyor belt, the pipe fitting seat and the copper column pin rotary pressing device is actually adjusted; the flange nut moves along the screw rod in the up-down direction to drive the pipe fitting conveying device to move up and down, so that the height of the pipe fitting conveying device is adjusted; in order to guarantee the stability and the fastness of pipe fitting conveyer altitude mixture control, the sprocket can include a plurality ofly, and a plurality of sprockets distribute around pipe fitting conveyer below and the same chain of the outside meshing of a plurality of sprockets, and one of them sprocket of lift adjustment motor drive rotates, drives the synchronous rotation of all the other sprockets through the transmission of chain, and the rotation of sprocket drives and corresponds the screw rod and rotate and then drive the lift that corresponds the flange nut and realize pipe fitting conveyer's stable lift.
Preferably, the transverse displacement mechanism is connected with the fixed frame through an angle adjusting device; the angle adjusting device comprises a connecting rod, one end of the connecting rod is a fixed part, and the other end of the connecting rod is a movable part rotating around the fixed part; the fixed part is rotationally connected with the transverse displacement mechanism and the fixed frame through a rotating shaft, and the movable part is fixedly connected with the transverse displacement mechanism through a fixed shaft; the fixing frame is characterized in that a connecting plate is arranged on the upper portion of the fixing frame, the rotating shaft is rotatably connected with the connecting plate, an arc-shaped groove is formed in the connecting plate, and the fixing shaft penetrates through the arc-shaped groove.
The movable part rotates around the fixed part to drive the transverse displacement mechanism to rotate, and further drives the longitudinal displacement mechanism, the guard ring positioning mechanism and the spinning head to rotate for a certain angle, so that the equipment can be applied to some bent pipes, and the application range is wider; the arrangement of the arc-shaped groove limits the rotation angle of the rotating part, and meanwhile, the stepless adjustment of the rotation angle within the length range of the arc-shaped groove is realized.
Preferably, the rotary driving mechanism comprises a rotary driving motor, a driving gear connected to the rotary driving motor, and a driven gear engaged with the driving gear, and the driven gear is connected with the slot tube barrel.
The rotation of the clamping groove pipe barrel is driven by the rotary driving motor, the driving gear and the driven gear, and then the copper column foot wire winding operation is achieved.
Preferably, the longitudinal displacement mechanism is of an air cylinder structure and comprises a second air cylinder seat and a second push rod, the second air cylinder seat and the transverse displacement mechanism are relatively fixed and immobile, the second push rod is connected with the spinning head, and the second push rod drives the spinning head to perform vertical displacement motion relative to the second air cylinder seat.
Specifically, after the copper column base has been inserted in the spinning head, the second push rod drives the spinning head and moves down until inserting the copper column base in the pipe fitting copper column base protective shroud, accomplish copper column base crimping after the spinning of spinning head, then the expansion end drives the spinning head and shifts up and make the spinning head break away from the copper column base.
Preferably, the transverse displacement mechanism is arranged above the longitudinal displacement mechanism and comprises a dovetail groove and a dovetail convex strip which are in sliding connection, a transmission mechanism used for realizing relative sliding between the dovetail groove and the dovetail convex strip is connected between the dovetail groove and the dovetail convex strip, and the transmission mechanism is connected with a transverse displacement motor; the transmission mechanism is of a ball screw structure and comprises a screw and a nut, one of the dovetail groove or the dovetail convex strip is located above, the other one of the dovetail groove or the dovetail convex strip is located below, the dovetail groove or the dovetail convex strip located above is connected with the screw, the dovetail groove or the dovetail convex strip located below is connected with the nut through a connecting block, and the dovetail groove or the dovetail convex strip located below is connected with the longitudinal displacement mechanism simultaneously.
The longitudinal displacement mechanism, the spinning head and the guard ring positioning mechanism connected to the transverse displacement mechanism move in the transverse direction through the arrangement of the dovetail grooves and the dovetail convex strips; the ball screw structure is adopted, so that the accuracy of the displacement path of the longitudinal displacement mechanism, the spinning head and the protective ring positioning mechanism in the transverse direction is improved, the accurate correspondence of the upper and lower positions of the copper column foot and the copper column foot protective ring of the pipe fitting is ensured, the copper column foot is ensured to be accurately pressed and connected in place, and the production efficiency and the product quality are improved; specifically, the transverse displacement motor drives the screw rod to rotate so as to drive the screw nut to transversely move, the screw nut drives the dovetail groove or the dovetail convex strip connected with the screw nut to displace, and then the longitudinal displacement mechanism, the spinning head and the protective ring positioning mechanism are driven to displace in the transverse direction.
The invention adopts the technical scheme, which has the beneficial effects that:
the invention provides the automatic PE electric melting pipe fitting copper column base spinning equipment which has the functions of realizing pipe fitting conveying, accurate pipe fitting retention, ordered copper column base conveying, compression joint of copper column bases and the like, and is high in production efficiency and good in product quality. According to the invention, the pipe fitting conveying device is used for realizing stable conveying and accurate stopping of the pipe fitting, the copper column bases are orderly arranged and conveyed, the positions of the spinning head and the guard ring positioning mechanism are adjusted through the longitudinal displacement mechanism and the transverse displacement mechanism, the copper column bases are clamped and inserted onto the spinning head through the copper column base spinning device, the copper column base guard ring is aligned to the copper column base on the spinning head above, the copper column bases are rotated and pressed downwards to the inner press hole of the copper column base guard ring, and the compression joint work of the copper column bases is efficiently and stably completed; the invention overcomes the operation difficulty of the post-wire-laying process in the prior art, can automatically realize the transmission and accurate retention of the pipe fittings and the transmission of the copper column feet, and realizes the compression joint of the copper column feet (comprising a series of actions of catching and fixing a resistance wire, clamping and fixing the copper column feet, winding the resistance wire around the root part of the copper column feet, integrally pressing the copper column feet into a joint hole in a copper column foot guard ring of the PE pipe fitting, and the like) in the small space, thereby greatly improving the production efficiency and the product quality of the product.
Drawings
FIG. 1 is a schematic view of the overall structure of the longitudinal displacement mechanism, a part of the copper stud base spinning device and the mounting seat in the embodiment;
FIG. 2 is a schematic side view of the structure of FIG. 1;
FIG. 3 is a schematic view of the structure of the collet, the top press rod, the clamping groove tube, the jacket, the copper column base and the like;
FIG. 4 is a schematic side view of the fitting between the collet, the top press rod, the socket tube, the sleeve, and the copper stud;
FIG. 5 is a schematic cross-sectional view taken along plane A-A of FIG. 4;
FIG. 6 is a schematic diagram of the simple explosion structure of FIG. 4;
FIG. 7 is a schematic view of the entire mechanism of the apparatus of this embodiment;
FIG. 8 is an enlarged view of portion A of FIG. 7;
FIG. 9 is an enlarged view of the portion B of FIG. 7;
FIG. 10 is an enlarged view of the portion C of FIG. 7;
FIG. 11 is a schematic view of a retainer ring positioning mechanism;
FIG. 12 is a schematic structural view of the apparatus of the present embodiment with the holder removed;
FIG. 13 is an enlarged view of the portion D of FIG. 12;
FIG. 14 is another schematic structural diagram of the apparatus according to this embodiment;
FIG. 15 is an enlarged view of section E of FIG. 14;
FIG. 16 is an enlarged view of the portion F of FIG. 14;
FIG. 17 is a schematic structural view of the bottom of the apparatus of this embodiment;
FIG. 18 is an enlarged schematic view of the portion G of FIG. 17;
description of the drawings:
the pipe fitting conveying device comprises a rack 100, a fixed frame 101, a connecting plate 1011, an arc-shaped groove 10111, an arc-shaped long groove 102, a pipe fitting conveying device 200, a conveying belt 201, a pipe fitting conveying motor 203, a clamping mechanism 301, a clamping arm 3011, a clamping clamp 3012, a steering engine 3013, a lifting driving device 3014, a guard ring positioning mechanism 302, a positioning clamp 3021, a touch switch 3022, a spinning head 303, a collet 3031, a jacking rod 3032, a clamping groove tube 3033, a clamping groove 30331, a telescopic driving mechanism 3034, a first cylinder base 30341, a rotary driving mechanism 3035, a rotary driving motor 30351, a driving gear 30352, a driven gear 30353, an outer sleeve 3036, a spring 3037, an inner sleeve 3038, a longitudinal displacement mechanism 304, a second cylinder base 3043, a second push rod 3044, a transverse displacement mechanism, a dovetail groove 1, a raised strip 3052, a side plate 306, a first mounting plate 307, a second mounting plate 308, a third mounting plate 309, a fourth mounting plate 310, Optical axis guide rod 313, copper column base conveyer 400, vibration disc main body 401, feed chute 402, discharge chute 403, pipe 500, pipe copper column base guard ring 501, copper column base 600, lifting adjusting mechanism 700, lifting adjusting motor 701, chain wheel 702, screw 703, flange nut 704, chain 705 connecting seat 706, angle adjusting device 800, connecting rod 801, fixed part 8011, rotating shaft 80111, movable part 8012 and fixed shaft 80121.
Detailed Description
The specific embodiment of the invention is as follows:
it should be noted that directional terms related to the present invention, such as left and right, are forward and backward directions relative to the conveying direction of the pipe.
Example (b):
a spinning device for copper column feet of PE electric melting pipe fittings, as shown in figures 1 to 18, comprises,
the rack 100 is a supporting main body of equipment, and a fixing frame 101 is connected above the rack 100;
the pipe fitting conveying device 200 is arranged on the rack 100 and comprises a pipe fitting conveying motor 203, a first rotating wheel connected with the pipe fitting conveying motor 203, a conveying belt 201, a second rotating wheel connected with the conveying belt 201, a belt for realizing the transmission rotation of the first rotating wheel and the second rotating wheel, a pipe fitting seat (not shown) connected to the conveying belt 201 and used for placing a pipe fitting 500, and a tool positioning mechanism used for enabling the pipe fitting seat to stay at a preset position;
the copper column foot spinning device 300 which is oppositely arranged on the left side and the right side of the preset position comprises a clamping mechanism 301 for clamping a copper column foot 600, a protective ring positioning mechanism 302 for positioning the position of a protective ring 501 of the copper column foot of the pipe fitting, and a spinning head 303 which is arranged above the protective ring positioning mechanism 302 in a hanging mode and is used for spinning the copper column foot to an inner pressing hole of the protective ring 501 of the copper column foot of the pipe fitting;
the copper column foot conveying device 400 is arranged beside the copper column foot rotary pressing device 300, and comprises a vibration disc main body 401, a feeding groove 402 and a discharging groove 403, and is used for conveying the copper column feet to the discharging groove 403 in order to be clamped by the clamping mechanism 301;
a longitudinal displacement mechanism 304 connected with the spinning head 303 for realizing displacement of the spinning head 303 in the longitudinal direction;
Specifically, the spinning head 303 includes a collet 3031 in a hollow tubular structure for clamping a copper column leg, a jacking rod 3032 arranged inside the collet 3031 and coaxial with the collet 3031, and a clamping tube 3033 sleeved outside the collet 3031 and coaxial with the collet 3031, wherein the jacking rod 3032 is configured with a telescopic driving mechanism 3034 which is specifically a cylinder structure and comprises a first cylinder seat 30341 and a first push rod (not shown) and is used for realizing the axial movement of the jacking rod 3031 relative to the collet 3031, the clamping tube 3033 is configured with a rotary driving mechanism 3035 for realizing the axial rotation of the clamping tube 3031, the inner diameter of the lower part of the collet 3031 is slightly smaller than the outer diameter of the copper column leg, four equally-divided axial slits are arranged on the tube wall of the lower part of the collet 3031, the four slits divide the tube wall into four arc-shaped clamping sheets, the copper column leg entering the collet is reliably clamped by the elasticity of the clamping sheets, the clamping tube 30331 in an h shape for catching the lower end opening of a resistance wire is arranged at, the outer diameter of the lower end part of the clamping groove pipe barrel is smaller than the inner diameter of a copper column pin retainer of the PE electric melting pipe fitting; the initial position of the top pressure rod 3032 determines that the top pressure rod 3032 has a certain downward moving stroke; the jacking rod 3032 is connected to the first push rod, and the jacking rod 3032 in the clamp barrel 3031 is driven by the telescopic driving mechanism 3034 to jack and insert the copper column foot into the crimping hole after the resistance wire at the bottom of the copper column foot is wound.
More specifically, the rotary driving mechanism 3035 comprises a rotary driving motor 30351, a driving gear 30352 connected to the rotary driving motor 30351, and a driven gear 30353 engaged with the driving gear 30352, wherein the slot tube 3033 is mounted at the lower end of an outer sleeve 3036, the outer sleeve 3036 is sleeved outside the collet 3031, and the driven gear 30353 is mounted on the outer sleeve 3036, so that the winding of the copper pins by the slot tube 3033 is realized; in order to facilitate replacement and maintenance of the slot tube 3033, the slot tube 3033 is in threaded connection with the outer sleeve 3036; meanwhile, the outer sleeve 3036 has a movable range in the axial direction of the collet 3031 relative to the collet 3031, a compression spring 3037 is further arranged between the outer sleeve 3036 and the collet 3031, the upper end of the spring 3037 is fixed relative to the collet 3031, the lower end of the spring 3036 is fixed relative to the outer sleeve 3036, when the slot tube 3033 is not jacked, the spring 3037 keeps the outer sleeve 3036 at the downward limit position of the movable range, and the arrangement of the spring 3037 is convenient for the collet 3031 to be pushed to reset upwards after the downward movement of the collet 3031 is completed. In addition, a copper inner sleeve 3038 is arranged between the outer sleeve 3036 and the collet 3031, the inner sleeve 3038 is fixed relative to the outer sleeve 3036, the inner surface of the inner sleeve 3038 is in sliding fit with the outer surface of the collet 3031, an insulating layer is arranged between the outer sleeve 3036 and the inner sleeve 3038, and the jacking rod 3032 and the collet 3031 are electrically isolated from a rack.
The clamping mechanism 301 specifically includes a clamping arm 3011, a clamping clip 3012 disposed at one end of the clamping arm 3011, and a steering gear 3013 connected to the other end of the clamping arm 3011 for controlling the clamping arm 3011 and the clamping clip 3012 to rotate, where the steering gear 3013 is connected to a lifting driving device 3014 for realizing displacement of the whole clamping mechanism 301 in the longitudinal direction.
More specifically, the longitudinal displacement mechanism 304 is an air cylinder structure, and includes a second air cylinder seat 3043 and a second push rod 3044, the second air cylinder seat 3044 and the lateral displacement mechanism 305 are indirectly connected to each other to realize relative immobility, the second push rod 3044 is connected to the spinning head 303, and the second push rod 3044 drives the spinning head 303 to perform vertical displacement motion relative to the second air cylinder seat 3043; the transverse displacement mechanism 305 is arranged above the longitudinal displacement mechanism 304 and comprises a dovetail groove 3051 and a dovetail convex strip 3052 which are in sliding connection, a transmission mechanism used for realizing relative sliding of the dovetail groove 3051 and the dovetail convex strip 3052 is connected between the dovetail groove 3051 and the dovetail convex strip 3052, the transmission mechanism is connected with a transverse displacement motor, the transmission mechanism is of a ball screw structure and comprises a screw rod and a nut, the dovetail convex strip 3052 is arranged above the dovetail groove 3051, the dovetail groove 3052 is arranged below the dovetail convex strip 3052 and connected with the screw rod, the dovetail groove 305 is connected with the nut through a connecting block, and the dovetail groove 305 is connected with the longitudinal displacement mechanism 304 simultaneously.
Specifically, retainer positioning mechanism 302 includes positioning clamp 3021 having an opening facing the side of tube copper post retainer 501, a touch switch 3022 connected to lateral displacement mechanism 305 is provided at the inner end of the opening of positioning clamp 3021, and when positioning clamp 3021 is moved toward the side of tube copper post retainer 501 until touch switch 3022 comes into contact with the side of tube copper post retainer 501, the copper post on spinning head 303 above tube copper post retainer 501 and crimping holes are aligned, and lateral displacement mechanism 305 stops moving.
Specifically, the upper end of the spinning device is connected on the upper portion of the fixing frame 101, the spinning head 303, the retainer positioning mechanism 302, the clamping mechanism 301, the longitudinal displacement mechanism 304 and the transverse displacement mechanism 305 are connected through the mounting seat, the mounting seat comprises a side plate 306 and a first mounting plate 307, a second mounting plate 308 and a third mounting plate 309 which are arranged from top to bottom at intervals, and the spinning head 303 further comprises a fourth mounting plate 310 and a fifth mounting plate 311.
More specifically, the upper end of the lateral displacement mechanism 305 is connected to the upper portion of the fixed frame 101, the lower end of the lateral displacement mechanism 305 is connected to the longitudinal displacement mechanism 304 through a first mounting plate 307, a fixing post 312 is connected between a first mounting plate 308 and a second mounting plate 309, a second cylinder block 3043 is disposed between the first mounting plate 307 and the second mounting plate 308, the lower end of a second push rod 3044 is connected to a third mounting plate 309, the spinning head 303 is connected to the third mounting plate 309, and an optical axis guide 313 whose lower end is connected to the third mounting plate 309 is inserted into the second mounting plate 308 to guide and stabilize the vertical movement of the second push rod 3044.
The telescopic driving mechanism 3034 of the spinning head 303 is arranged on the third mounting plate 309, the rotary driving motor 30351 is arranged on the fourth mounting plate 310, the driving gear 30352 and the driven gear 30353 are arranged on the fifth mounting plate 311, the side plate 306 is connected to the side of the first mounting plate 307 or the second mounting plate 308, the side plate 306 is not in contact with the third mounting plate 309, the fourth mounting plate 310 and the fifth mounting plate 311 to ensure the vertical displacement of the spinning head 303, and the guard ring positioning mechanism 302 and the clamping mechanism 301 are connected to the side plate 306.
The tool positioning mechanism 302 specifically includes a proximity switch (not shown) provided on the rack 100, and a metal piece (not shown, generally an angle iron piece) provided on the pipe fitting seat, and the proximity switch senses the metal piece to position the pipe fitting seat and the pipe fitting to stay at a predetermined position.
In order to be applicable to more pipes with different diameters, the pipe transfer device 200 is connected with a lifting adjusting mechanism 700 for adjusting the height of the pipe transfer device itself; the lifting adjusting mechanism 700 comprises a lifting adjusting motor 701, a chain wheel 702, a screw 703 penetrating through the central axis of the chain wheel 702, and a flange nut 704 sleeved on the screw 703, wherein the upper end and the lower end of the screw 703 are both connected with the rack 100, and the flange nut 704 is connected with the pipe conveying device 200 through a connecting seat 706; specifically, the chain wheels 702 include 4 chain wheels uniformly distributed around the lower part of the pipe conveying device 200, 3 chain wheels arranged between the two adjacent chain wheels, and the 7 chain wheels are meshed with the same chain 705, wherein one of the 3 chain wheels is connected with the lifting adjusting motor 701, and two of the two sides of the 3 chain wheels play a role in tensioning to prevent the chain 705 from slipping; the lifting adjusting motor 701 drives one of the chain wheels to rotate, the synchronous rotation of the other chain wheels is driven through the transmission action of the chain, and the rotation of the chain wheels drives the corresponding screw to rotate so as to drive the lifting of the corresponding flange nut to realize the stable lifting of the pipe fitting conveying device.
In order to be suitable for more different types of pipe fittings (such as bent pipes), an angle adjusting device 800 is further arranged, and specifically, the transverse displacement mechanism 305 is connected with the fixing frame 101 through the angle adjusting device 800; the angle adjusting device 800 includes a connecting rod 801, one end of which is a fixed portion 8011, and the other end of which is a movable portion 8012 that rotates around the fixed portion 8011; the fixed part 8011 is connected with the lateral displacement mechanism 305 and the fixed frame 101 in a rotating way through a rotating shaft 80111, and the movable part 8012 is connected with the lateral displacement mechanism 305 in a fixed way through a fixed shaft 80121; the upper portion of the fixing frame 101 is provided with a connecting plate 1011, the rotating shaft 80111 is rotatably connected with the connecting plate 1011, an arc-shaped groove 10111 is formed in the connecting plate 1011, and the fixing shaft 80121 penetrates through the arc-shaped groove 10111 to limit the rotating angle of the fixing shaft 80121. Correspondingly, the copper pillar foot conveying device 400 is connected with the rack 100, an arc-shaped long groove 102 is formed in the rack 100 at the joint of the copper pillar foot conveying device and the rack 100, and the copper pillar foot is correspondingly rotated for a certain angle according to the rotation angle of the copper pillar foot spinning device 300, so that the copper pillar foot is effectively conveyed to the spinning head 303.
In this embodiment, the tube 500 is conveyed to a predetermined position by the conveyor belt 201 to be located between two copper pillar pin spinning devices 300 arranged oppositely, the clamp 3012 clamps the copper pillar pin 600 between the collet 3031 and the positioning clamp 3021 by the action of the steering engine 3013 and inserts the non-embedded section of the copper pillar pin into the collet 3031 by the lifting drive 3014, then the clamp 3012 is moved out and reset, the lateral displacement mechanism 305 drives the guard ring positioning mechanism 302, the longitudinal displacement mechanism 304 and the spinning head to move laterally in the direction of the position of the tube 500, when the touch switch of the positioning clamp 3021 touches the copper pillar pin guard ring of the tube, the copper pillar pin guard ring of the tube is aligned with the copper pillar pin on the collet, the lateral displacement mechanism stops moving, then the longitudinal displacement mechanism 304 drives the spinning head 303 to move downwards, so that the copper pillar pin of the collet 3031 is inserted into the copper pillar pin 501 of the tube, then the tube clamp 3035 rotates the tube clamp slot 3033 to make the resistance wire clamped on the clamp slot 30331 wind around the embedded section of the copper pillar pin, finally, the copper column base is pressed down through the telescopic driving mechanism 3034, the embedded section of the copper column base is pressed into the compression connection hole, compression connection installation of the copper column base is completed, then the longitudinal displacement mechanism 304 drives the spinning head 303 to move upwards and reset, finally the transverse displacement mechanism 305 drives the guard ring positioning mechanism 302, the longitudinal displacement mechanism 304 and the spinning head 303 to move back to the initial position, and the circulation is performed, so that automation of functions of pipe fitting conveying and positioning, copper column base conveying, copper column base spinning and the like is realized, the efficiency is high, and the quality is good.
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a PE electric smelting pipe fitting copper post foot spinning equipment which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the rack is a supporting main body of the equipment, and a fixed frame is connected above the rack;
the pipe fitting conveying device is arranged on the rack and comprises a conveying belt, a pipe fitting seat connected to the conveying belt and used for placing a pipe fitting, and a tool positioning mechanism used for enabling the pipe fitting seat to stay at a preset position;
the copper column foot spinning device which is oppositely arranged on the left side and the right side of the preset position comprises a clamping mechanism for clamping the copper column foot, a protective ring positioning mechanism for positioning the position of a protective ring of the copper column foot of the pipe fitting, and a spinning head which is arranged above the protective ring positioning mechanism in a hanging mode and is used for spinning the copper column foot to a hole in the protective ring of the copper column foot of the pipe fitting;
the copper column foot conveying device is arranged beside the copper column foot spinning device, comprises a vibrating disc main body, a feeding groove and a discharging groove and is used for conveying the copper column feet to the discharging groove in order to be clamped by a clamping mechanism;
the longitudinal displacement mechanism is connected with the spinning head and is used for realizing the displacement of the spinning head in the longitudinal direction;
and the upper part of the transverse displacement mechanism is connected with the upper part of the fixing frame, and the lower part of the transverse displacement mechanism is connected with the longitudinal displacement mechanism and the guard ring positioning mechanism, so that the guard ring positioning mechanism, the longitudinal displacement mechanism and the spinning head connected to the longitudinal displacement mechanism synchronously displace in the transverse direction.
2. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 1, is characterized in that: the spinning head comprises a collet chuck which is used for clamping a copper column base and is of a hollow tubular structure, a jacking rod which is arranged in the collet chuck and has the same axis with the collet chuck, and a clamping groove pipe barrel which is sleeved outside the collet chuck and has the same axis with the collet chuck, wherein the jacking rod is provided with a telescopic driving mechanism used for realizing the axial movement of the jacking rod relative to the collet chuck, the clamping groove pipe barrel is provided with a rotary driving mechanism used for realizing the rotation of the clamping groove pipe barrel around the axis of the collet chuck, and the lower end of the clamping groove pipe barrel is provided with.
3. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 1, is characterized in that: the clamping mechanism comprises a clamping arm, a clamping clamp arranged at one end of the clamping arm, and a steering engine connected with the other end of the clamping arm and used for controlling the clamping arm to clamp and clamping the clamp to rotate, wherein the steering engine is connected with a lifting driving device used for realizing the whole displacement of the clamping mechanism in the longitudinal direction.
4. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 1, is characterized in that: guard ring positioning mechanism includes that the opening is towards the locating clip of pipe fitting copper post foot guard ring side, and the opening inner of locating clip is equipped with the touch switch who is connected with lateral displacement mechanism, moves until touch switch and pipe fitting copper post foot guard ring side contact when locating clip orientation pipe fitting copper post foot guard ring side, has positioned pipe fitting copper post foot guard ring, crimping hole and has aimed at the copper post foot on the top spinning head, and lateral displacement mechanism stops moving.
5. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 1, is characterized in that: the tool positioning mechanism comprises a proximity switch arranged on the rack and a metal sheet arranged at the position of the pipe fitting seat, and the proximity switch is used for sensing the metal sheet to position the pipe fitting seat and stop the pipe fitting at a preset position.
6. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 1, is characterized in that: the pipe fitting conveying device is connected with a lifting adjusting mechanism for adjusting the height of the pipe fitting conveying device; the lifting adjusting mechanism comprises a lifting adjusting motor, a chain wheel, a screw rod penetrating through the central axis of the chain wheel and a flange nut sleeved on the screw rod, the upper end and the lower end of the screw rod are both connected with the rack, and the flange nut is connected with the pipe fitting conveying device through a connecting seat.
7. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 1, is characterized in that:
the transverse displacement mechanism is connected with the fixed frame through an angle adjusting device; the angle adjusting device comprises a connecting rod, one end of the connecting rod is a fixed part, and the other end of the connecting rod is a movable part rotating around the fixed part; wherein
The fixed part is rotationally connected with the transverse displacement mechanism and the fixed frame through a rotating shaft, and the movable part is fixedly connected with the transverse displacement mechanism through a fixed shaft; the fixing frame is characterized in that a connecting plate is arranged on the upper portion of the fixing frame, the rotating shaft is rotatably connected with the connecting plate, an arc-shaped groove is formed in the connecting plate, and the fixing shaft penetrates through the arc-shaped groove.
8. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 2, is characterized in that: the rotary driving mechanism comprises a rotary driving motor, a driving gear connected to the rotary driving motor and a driven gear meshed with the driving gear, and the driven gear is connected with the clamping groove pipe barrel.
9. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 1, is characterized in that: the longitudinal displacement mechanism is of an air cylinder structure and comprises a second air cylinder seat and a second push rod, the second air cylinder seat and the transverse displacement mechanism are relatively fixed and fixed, the second push rod is connected with the spinning head, and the second push rod drives the spinning head to perform vertical displacement relative to the second air cylinder seat.
10. The spinning equipment for the copper column feet of the PE electric melting pipe fittings according to claim 1, is characterized in that: the transverse displacement mechanism is arranged above the longitudinal displacement mechanism and comprises a dovetail groove and a dovetail convex strip which are in sliding connection, a transmission mechanism used for realizing relative sliding of the dovetail groove and the dovetail convex strip is connected between the dovetail groove and the dovetail convex strip, and the transmission mechanism is connected with a transverse displacement motor; the transmission mechanism is of a ball screw structure and comprises a screw and a nut, one of the dovetail groove or the dovetail convex strip is located above, the other one of the dovetail groove or the dovetail convex strip is located below, the dovetail groove or the dovetail convex strip located above is connected with the screw, the dovetail groove or the dovetail convex strip located below is connected with the nut through a connecting block, and the dovetail groove or the dovetail convex strip located below is connected with the longitudinal displacement mechanism simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895505.1A CN110640433B (en) | 2019-09-21 | 2019-09-21 | PE electric melting pipe fitting copper column foot spinning equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895505.1A CN110640433B (en) | 2019-09-21 | 2019-09-21 | PE electric melting pipe fitting copper column foot spinning equipment |
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| Publication Number | Publication Date |
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| CN110640433A true CN110640433A (en) | 2020-01-03 |
| CN110640433B CN110640433B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910895505.1A Active CN110640433B (en) | 2019-09-21 | 2019-09-21 | PE electric melting pipe fitting copper column foot spinning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112719863A (en) * | 2021-01-14 | 2021-04-30 | 东风汽车有限公司 | Control system for a brake hose |
| CN114210879A (en) * | 2021-10-25 | 2022-03-22 | 浙江新大塑料管件有限公司 | PE hot melt pipe fitting binding post foot spinning equipment |
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| CN110641035A (en) * | 2019-09-21 | 2020-01-03 | 中国计量大学 | PE electric smelting pipe fitting copper post foot spinning device |
| CN211162765U (en) * | 2019-09-21 | 2020-08-04 | 杭州知淞智能科技有限公司 | Spinning equipment for copper column feet of PE electric melting pipe fittings |
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| US5850687A (en) * | 1995-03-10 | 1998-12-22 | Amada America, Inc. | Machine and a method for driving inserts into pieces of sheet metal |
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| CN114210879B (en) * | 2021-10-25 | 2024-01-26 | 浙江新大塑料管件有限公司 | PE hot-melt pipe fitting terminal pin spinning equipment |
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| CN110640433B (en) | 2024-10-18 |
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