CN211492808U - Automatic heating forming equipment for nylon pipe - Google Patents

Abstract

The utility model discloses a nylon tube self-heating former relates to the fashioned technical field of nylon tube, wherein, nylon tube self-heating former includes fuselage, the pay-off assembly, heating assembly and return bend assembly, the heating assembly includes the oven that communicates with the pay-off assembly and locates the electric heating tube between oven and the return bend assembly, be equipped with the heating collar in the electric heating tube, the nylon tube is sent into from the pay-off assembly, get into the return bend assembly through oven and heating collar, the fuselage outside is located to electric heating tube and return bend assembly, return bend assembly outside is equipped with air-cooled system and cutting device. The utility model discloses have the shaping precision that has improved the nylon tube, guaranteed product quality, improved machining efficiency's beneficial effect.

Description

Automatic heating forming equipment for nylon pipe

Technical Field

The utility model belongs to the technical field of the fashioned technique of nylon tube and specifically relates to a nylon tube self-heating former is related to.

Background

The nylon bending and shaping pipe in the prior art is generally formed by the steps of shaping firstly and heating secondly, namely, a metal mold with specific curvature is manufactured according to the shape of the nylon pipe to be shaped, then the nylon pipe which is not bent is placed into the mold, then the mold and the nylon pipe are heated together, finally the mold is cooled, and the nylon pipe after mold opening is formed into a specific shape.

For solving the above-mentioned problem, utility model No. CN107127959A discloses an automatic thermoforming equipment of shaping nylon tube, contain the blowing hanging wall, the feeding leading wheel, the feeding clamp assembly, the feeder assembly, the heating assembly, the Z axle motor, the bent wheel subassembly, the rocking arm, the pivot, including a motor, an end cap, a controller, and a cover plate, the blowing dish is established to the table right-hand member of frame, the feeder assembly is established to the left end of frame feeding clamp assembly, the heating assembly is established to feeder assembly left end, the Z axle motor is established to the heating assembly side, the runner is established to the spray tube joint cover of left end, runner and gear engagement for Z axle motor, the panel and the rocking arm of runner are connected, the ability pivoted bent wheel subassembly is established to spray tube joint left end face, the pivot lower extreme that establishes in the rocking arm is connected with the bent wheel.

Above-mentioned utility model directly saves mould processing, and production process is full automation, has solved the problem that production efficiency is low and the cost is extravagant.

However, when the device is used, the nylon tube cannot be heated in the process of reaching the external bent wheel assembly from the heating assembly, so that the temperature of the nylon tube is reduced when the nylon tube reaches the bent wheel assembly, and the nylon tube is easily slowly stretched after being bent to a set angle and a radian by the bent wheel assembly, so that the precision of the bent tube is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a nylon tube automatic heating former, it has the high beneficial effect of shaping precision.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a nylon tube automatic heating former, includes fuselage, pay-off assembly, heating assembly and return bend assembly, the heating assembly include with the oven of pay-off assembly intercommunication with locate the oven with electric heating tube between the return bend assembly, be equipped with the heating collar in the electric heating tube, the nylon tube is followed the pay-off assembly is sent into, the warp the oven reaches the heating collar and get into the return bend assembly, the electric heating tube with the return bend assembly is located outside the fuselage, return bend assembly outside is equipped with air-cooled system and cutting device.

By adopting the technical scheme, the nylon tube enters the oven to be heated under the traction of the feeding assembly, so that the nylon tube is softened by heating, the original structure of the nylon tube is damaged, and the nylon tube is easy to reshape; in order to ensure the sealing performance of the oven and avoid heat loss, the oven is generally arranged inside the machine body, the electric heating cylinder is arranged outside the oven and is used as a part of the heating assembly, so that the heating assembly can continuously heat the nylon pipe extending out of the machine body under the condition that the oven does not extend out of the machine body, the nylon pipe is always in a heated state before entering the elbow assembly, the condition that the nylon pipe is cooled and hardened before being bent and is difficult to form is avoided, and the nylon pipe is ensured to have better forming precision.

The present invention may be further configured in a preferred embodiment as: the elbow assembly is arranged at the end part of the electric heating cylinder far away from the machine body and comprises an elbow component rotationally connected to the electric heating cylinder, a first driving component for driving the elbow component to rotate, an elbow component rotationally connected to the elbow component and a second driving component for driving the elbow component to rotate relative to the elbow component; the bend wheel subassembly includes the rectangular block of body coupling, connect in wherein the sectorial block on the one side of rectangular block with locate stopper on the rectangular block another side, the last arcwall face of following of sectorial block is equipped with the groove of bending, bend the groove both ends and extend to on two faces of rectangular block, and link up the rectangular block, be close to on the stopper rectangular block one side is equipped with the cooperation groove, the cooperation groove with bend the groove lock and form circular passageway, circular passageway is kept away from the one end of sectorial block just to the export of electric heating section of thick bamboo and with the axis of circular passageway rotates for the centre of a circle to be connected, the rotation centre of a circle of bend subassembly with the centre of a circle of the sectorial face of sectorial block coincides mutually.

By adopting the technical scheme, the nylon tube extends out of the circular channel of the elbow component after passing through the electric heating cylinder, and the elbow component rotates by taking the circle center of the sector block as a rotation center under the driving of the second driving component, so that the part of the nylon tube extending out of the circular channel is pressed into the bending groove; when needs are to the crooked nylon pipe of equidirectional not, when making it produce the radian, can start first drive assembly, make it drive the bent wheel subassembly and rotate the angle that corresponds along circular passageway, then start the second drive assembly again and bend the nylon pipe to form the final product that needs, degree of automation is high, and machining efficiency is high, by the radian and the angle of bending of machine control's nylon pipe, the precision is higher, the product quality who processes out is stable.

The present invention may be further configured in a preferred embodiment as: the elbow assembly comprises a rotating shaft arranged at the circle center of the sector block in a penetrating mode, rotating arms connected to two ends of the rotating shaft and bending rods connected between the rotating arms, and the second driving assembly drives the rotating shaft to rotate.

By adopting the technical scheme, the second driving assembly drives the rotating shaft to rotate, the rotating shaft drives the rotating arm to rotate, the rotating arm immediately drives the bending rod to rotate by taking the rotating shaft as a circle center, namely the bending rod rotates along the bending groove by taking the circle center of the fan-shaped block as a rotation center, the rotation of the bending rod pushes the nylon tube extending out of the circular channel to be bent and pressed into the bending groove, and the nylon tube is bent at one time, so that the nylon tube is convenient to use.

The present invention may be further configured in a preferred embodiment as: the first driving assembly comprises a driving disc and a cantilever, the driving disc is rotatably connected to the driving disc on the machine body, the cantilever is connected to the driving disc, the driving disc is coaxially arranged with the central axis of the electric heating cylinder, the cantilever is parallel to the electric heating cylinder, the cantilever is far away from the machine body, one end of the machine body is connected with the bent wheel assembly, and a first servo motor and a first speed reducer which drive the driving disc to rotate are arranged inside the machine body.

Through adopting above-mentioned technical scheme, first servo motor's rotation transmits the driving-disc after the speed reducer on, and the driving-disc drives the cantilever and rotates around electric heating cylinder, and the cantilever and then drive the bend subassembly and rotate certain angle around circular passageway, and when later restarting second drive assembly drove the elbow subassembly and rotate, the elbow subassembly was different with first time to the direction of bending of nylon tube to the realization is bent the purpose of nylon tube to the equidirectional bending.

The present invention may be further configured in a preferred embodiment as: the second driving assembly comprises a second servo motor and a second speed reducer which are arranged on the cantilever, and an output shaft of the second speed reducer is connected with the rotating shaft through a coupler.

By adopting the technical scheme, the rotation of the second servo motor is transmitted to the coupler through the speed reducer, the coupler transmits the rotation motion to the elbow component, and the second driving component is arranged on the cantilever, so that the direction of the second driving component can be changed along with the rotation of the cantilever and the elbow component; when the diameter of the nylon tube is changed due to the arrangement of the coupler, the rotating gap between the second driving assembly and the rotating shaft can be compensated through the coupler, so that the nylon tube can be bent without damage, and the quality of the bent nylon tube is guaranteed.

The present invention may be further configured in a preferred embodiment as: the air cooling system comprises a cooler arranged on the cantilever and a cooling air pipe connected to the cooler, and the end part of the cooling air pipe is right opposite to the bending groove.

Through adopting above-mentioned technical scheme, the cooler takes place air conditioning and blows to the groove of bending through cooling air pipe with it, when the nylon pipe was impressed in the groove of bending, cooling air pipe blows the cold wind to the inslot crooked nylon pipe of bending for the nylon pipe cools off the design fast, when avoiding the elbow subassembly to loosen, the nylon pipe takes place slowly to resume deformation, has further guaranteed the return bend quality of nylon pipe.

The present invention may be further configured in a preferred embodiment as: the cutting device comprises a cutting groove formed in the limiting block, a fixing frame connected to the outside of the limiting block, a cutting cylinder arranged in the fixing frame and a cutter connected to the end part of a piston rod of the cutting cylinder, wherein the cutting groove is perpendicular to the circular channel and communicated with the outside of the limiting block, and the cutter slides in the cutting groove.

Through adopting above-mentioned technical scheme, when the piston rod that cuts off the cylinder was ejecting, drive the cutter and slide and will cut through the nylon pipe of circular passageway along cutting off the groove to circular passageway, later cut off the piston rod of cylinder and withdraw, the nylon pipe can continue to send out along circular passageway, has reached the purpose of automatic cutout nylon pipe, and the action is quick, machining efficiency is high, of high quality.

The present invention may be further configured in a preferred embodiment as: the electric heating cylinder and be equipped with the output piece between the bent wheel subassembly, be equipped with the discharge gate on the output piece, the last perpendicular to of output piece the discharge gate is equipped with presss from both sides tight mouthful, press from both sides tight mouthful with the discharge gate is linked together, it is equipped with and presss from both sides tight piece to slide in pressing from both sides tight mouthful, it is equipped with die clamping cylinder to press from both sides tight mouthful outside, die clamping cylinder's cylinder body is fixed in outside the electric heating cylinder, the piston rod top is located press from both sides tight on the piece.

Through adopting above-mentioned technical scheme, the nylon tube gets into the circular passageway on the bend pulley subassembly from the discharge gate on the output piece after the electrical heating section of thick bamboo, the bend pulley subassembly takes place the pivoted in-process under first drive assembly's drive, probably because the friction between circular passageway and the nylon tube leads to the nylon tube distortion, and set up above-mentioned clamp block and die clamping cylinder, die clamping cylinder drives when the bend pulley subassembly rotates and presss from both sides the clamp block and pushes up on the nylon tube in the discharge gate, prevent that the nylon tube from taking place to rotate and warping, the shaping quality of nylon tube has further been guaranteed.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the nylon pipe is ensured to be always in a heated state before entering the elbow assembly, the nylon pipe is prevented from being cooled and hardened before being bent and being difficult to form, and the nylon pipe is ensured to have better forming precision;

2. the degree of automation is high, the processing efficiency is high, the bending radian and angle of the nylon tube controlled by a machine are higher in precision, and the quality of processed products is stable;

3. after the nylon pipe is bent, the nylon pipe is rapidly cooled and shaped by the air cooling system, so that the nylon pipe is prevented from slowly recovering and deforming when the elbow assembly is loosened, and the bending quality of the nylon pipe is further ensured;

4. the clamping cylinder drives the clamping block to be propped against the nylon tube in the discharge port when the bent wheel assembly rotates, so that the nylon tube is prevented from rotating and twisting, and the forming quality of the nylon tube is further ensured;

5. compared with the traditional manual process of molding first and then heating by using a mold, the fully-automatic nylon tube molding process greatly improves the processing efficiency, saves the processing cost and is suitable for popularization and production.

Drawings

Fig. 1 is the utility model discloses a nylon pipe automatic heating former under first visual angle overall structure schematic diagram.

Fig. 2 is the utility model discloses a nylon pipe automatic heating former under second visual angle overall structure schematic diagram.

Fig. 3 is a schematic structural view of fig. 1 with a body removed.

Fig. 4 is a cross-sectional view taken along plane a-a of the oven portion of fig. 3.

FIG. 5 is a schematic illustration of a portion of the elbow assembly of FIG. 3.

Fig. 6 is an exploded view of the elbow assembly portion.

Fig. 7 is a schematic structural view of the bending wheel assembly and the cutting assembly.

Figure 8 is a schematic diagram of the construction of the elbow assembly and the second drive assembly.

Fig. 9 is a schematic view of the structure of the output block and the clamping portion.

In the figure, 1, a feeding assembly; 11. uploading a conveyor belt; 12. a lower conveyor belt; 2. a body; 3. a heating assembly; 31. an oven; 311. a horizontal partition plate; 312. a vertical partition; 313. an upper chamber; 314. a left chamber; 315. a right chamber; 316. a communication port; 32. an electrically heated cartridge; 33. a hot air blower; 4. a pipe bending assembly; 41. a bent wheel assembly; 411. a rectangular block; 412. a sector block; 413. a limiting block; 414. bending the groove; 415. a mating groove; 416. a circular channel; 42. an elbow assembly; 421. a rotating shaft; 422. a rotating arm; 423. bending the rod; 43. a first drive assembly; 431. a first servo motor; 432. a first decelerator; 433. a drive disc; 434. a cantilever; 44. a second drive assembly; 441. a second servo motor; 442. a second decelerator; 45. a coupling; 46. an output block; 461. a discharge port; 462. a clamping opening; 463. a clamping cylinder; 464. a clamping block; 5. an air cooling system; 51. a cooler; 52. cooling the air pipe; 6. a cutting device; 61. cutting off the air cylinder; 62. a cutter; 63. cutting off the groove; 64. a fixing frame; 7. a transfer tube; 8. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, for the automatic nylon tube heating and forming device disclosed by the present invention, the device comprises a machine body 2, a feeding assembly 1, a heating assembly 3 and a pipe bending assembly 4 sequentially disposed in the machine body 2, the heating assembly 3 comprises an oven 31 communicated with the feeding assembly 1 and an electric heating cylinder 32 disposed between the oven 31 and the pipe bending assembly 4, a heating ring is disposed in the electric heating cylinder 32, the nylon tube is fed from the feeding assembly 1 and enters the pipe bending assembly 4 through the oven 31 and the electric heating cylinder 32, the electric heating cylinder 32 and the pipe bending assembly 4 are disposed outside the machine body 2 as a part of the heating assembly 3, so that the heating assembly 3 can continuously heat the nylon tube extending outside the machine body 2 under the condition that the oven 31 does not extend outside the machine body 2, the nylon tube is guaranteed to be always in a heated state before entering the pipe bending assembly 4, and the nylon tube is prevented from being cooled and hardened before being bent and difficult to be formed, the nylon tube is ensured to have better forming precision. An air cooling system 5 for helping the shaped nylon pipe to be shaped and a cutting device 6 for cutting off the nylon pipe after the nylon pipe is processed are arranged outside the elbow pipe assembly 4.

Referring to fig. 3, the feeding assembly 1 includes an upper conveyor belt 11 and a lower conveyor belt 12 horizontally disposed at one end of the machine body 2, a channel for a nylon tube to pass through is formed between the upper conveyor belt 11 and the lower conveyor belt 12, wherein the lower conveyor belt 12 is fixedly disposed, and the upper conveyor belt 11 is vertically slidably disposed on a side wall of the machine body 2, so that a clamping effect of the nylon tube is achieved. The upper conveying belt 11 and the lower conveying belt 12 move relatively, the effect that the nylon pipe clamped between the upper conveying belt and the lower conveying belt is pulled towards one end of the elbow pipe assembly 4 is achieved, continuous pulling of the nylon pipe can be achieved through the structure, efficiency is high, and damage to the nylon pipe is small.

Referring to fig. 4, a hollow conveying pipe 7 is fixed in the oven 31 along the length direction thereof, a spring 8 is arranged in the conveying pipe 7, and the nylon pipe passes through an inner hole of the spring 8. The bottom of the oven 31 is connected with the hot air blower 33, a horizontal partition plate 311 is arranged inside the oven 31, the horizontal partition plate 311 divides the inside of the oven 31 into an upper chamber 313 and a lower chamber, communication ports 316 for communicating the upper chamber 313 and the lower chamber are arranged at positions of the horizontal partition plate 311 close to the input end and the output end of the nylon tube, a vertical partition plate 312 is further arranged in the lower chamber, the lower chamber is divided into a left chamber 314 and a right chamber 315 by the vertical partition plate 312, and an air outlet and an air inlet of the hot air blower 33 are respectively connected to positions of the left chamber 314 and the right chamber 315 close to the vertical partition plate 312 through pipelines. The hot air blower 33 sends hot air into the oven 31, and the flow direction of the hot air is as follows: the air enters the left chamber 314 from the air outlet of the air heater 33, then flows upwards along the left chamber 314 in the direction far away from the right chamber 315, enters the upper chamber 313 through the communication port 316 at the left end of the horizontal partition 311, flows towards one end of the right chamber 315 along the left chamber 314, finally enters the right chamber 315 through the communication port 316 at the right end of the horizontal partition 311, and returns to the air inlet of the fan from the pipeline in the right chamber 315, so that the purpose of hot air circulation is achieved, energy is saved, and the constant temperature in the oven 31 is ensured. Hot-blast in-process that flows in oven 31 sees through the conveying pipe 7 and the spring 8 of fretwork and heats the nylon tube, wherein, conveying pipe 7 plays the effect of support, make spring 8 be in the straight line state of extending, spring 8's clearance is great and more even, and in unit area, spring 8 is less with the area of contact of nylon tube, make the nylon tube when its inside transmission, can obtain even support, and be heated evenly, be favorable to guaranteeing the quality after the shaping.

Referring to fig. 5 and 6, the elbow assembly 4 is disposed at an end of the electric heating cylinder 32 far from the body 2, and includes an output block 46 screwed to an end of the heating assembly 3, an elbow assembly 41 rotatably connected to the output block 46, a first driving component 43 driving the elbow assembly 41 to rotate, an elbow assembly 42 rotatably connected to the elbow assembly 41, and a second driving component 44 driving the elbow assembly 42 to rotate relative to the elbow assembly 41, wherein a discharge hole 461 is disposed on the output block 46 coaxially with the electric heating cylinder 32.

Referring to fig. 5 and 7, the bending wheel assembly 41 includes a rectangular block 411, a sector 412 connected to one surface of the rectangular block 411, and a limiting block 413 disposed on the other surface of the rectangular block 411, a bending groove 414 is disposed on the sector 412 along an arc surface, two ends of the bending groove 414 extend to two surfaces of the rectangular block 411 and penetrate through the rectangular block 411, a matching groove 415 is disposed on one side of the limiting block 413 close to the rectangular block 411, the matching groove 415 and the bending groove 414 are buckled to form a circular channel 416, one end of the circular channel 416 far away from the sector 412 faces a discharge hole 461 of the output block 46, and is rotatably connected to the output block 46 with a central axis of the circular channel 416 as a center, and the rectangular block 411, the sector 412, and the limiting block 413 are integrally formed. First drive assembly 43 is including rotating driving-disc 433 of connecting on fuselage 2, connecting cantilever 434 on driving-disc 433, and driving-disc 433 and the coaxial setting of axis of electrical heating section of thick bamboo 32, and cantilever 434 is parallel with electrical heating section of thick bamboo 32 and cantilever 434 keep away from the one end of fuselage 2 and is connected with bend wheel subassembly 41, and fuselage 2 is inside to be provided with first servo motor 431 and the first reduction gear 432 of driving-disc 433 pivoted, the utility model discloses first reduction gear 432 in this embodiment is the planet wheel reduction gear.

Referring to fig. 6 and 8, the elbow assembly 42 includes a rotating shaft 421 inserted into the center of the segment 412, rotating arms 422 connected to both ends of the rotating shaft 421, and a bending rod 423 connected between the rotating arms 422. Second drive assembly 44 is including setting up second servo motor 441 and second reduction gear 442 on cantilever 434, is connected through shaft coupling 45 between the output shaft of second reduction gear 442 and the pivot 421, the utility model discloses shaft coupling 45 in this embodiment is no elastic element flexible coupling 45, and this shaft coupling 45 has the ability of compensating relative displacement between the output shaft of pivot 421 and second reduction gear 442 for when the pipe diameter of nylon tube has slight change, can compensate through shaft coupling 45, guarantee the precision of return bend, and avoid damaging nylon tube surface crowded.

The rotation of the first servo motor 431 is transmitted to the driving disc 433 after passing through the speed reducer, the driving disc 433 drives the cantilever 434 to rotate around the electric heating cylinder 32, the cantilever 434 further drives the bending wheel assembly 41 to rotate for a certain angle around the circular channel 416, and then when the second driving assembly 44 is started again to drive the bending head assembly 42 to rotate, the bending direction of the bending head assembly 42 to the nylon tube is different from the first bending direction, so that the purpose of bending the nylon tube in different directions is achieved.

After passing through the electric heating cylinder 32, the nylon tube enters the circular passage 416 of the elbow assembly 41 from the discharge port 461 of the output block 46, and extends out of the circular passage 416, and the elbow assembly 42 rotates around the center of the circle of the sector block 412 under the driving of the second driving assembly 44, so that the nylon tube part extending out of the circular passage 416 is pressed into the bending groove 414; when the nylon tube needs to be bent in different directions to generate a radian, the first driving motor can be started to drive the driving disk 433 and the connecting arm to rotate, meanwhile, the second driving component 44 connected to the cantilever 434 also rotates together, when the nylon tube rotates to a proper angle, the second servo motor 441 is started, the rotation of the second servo motor 441 is transmitted to the coupler 45 through the speed reducer, the coupler 45 transmits the rotation motion to the rotating shaft 421, the rotating shaft 421 drives the rotating arm 422 to rotate, the rotating arm 422 drives the bending rod 423 to rotate around the rotating shaft 421, that is, the bending rod 423 rotates around the bending groove 414 around the center of the circle of the sector block 412, and the rotation of the bending rod 423 pushes the nylon tube extending out of the circular channel 416 to be bent and pressed into the bending groove 414, so as to realize one-time bending of the nylon tube. Afterwards, the first driving assembly drives the bending wheel assembly 41 to rotate to a corresponding angle along the circular passage 416 again, and then the second driving assembly 44 is started again to bend the nylon tube, so that a final needed product is formed, and the processing precision and the processing efficiency are high.

Referring to fig. 6 and 9, after passing through the electric heating cylinder 32, the nylon tube enters the circular passage 416 on the bending wheel assembly 41 from the discharge port 461 on the output block 46, and in the process that the bending wheel assembly 41 is driven by the first driving assembly 43 to rotate, the nylon tube may be twisted due to friction between the circular passage 416 and the nylon tube, in order to solve the above problem, in this embodiment of the present invention, a clamping port 462 is provided on the output block 46 perpendicular to the discharge port 461, the clamping port 462 is communicated with the discharge port 461, a clamping block 464 is slidably provided in the clamping port 462, a clamping cylinder 463 is provided outside the clamping port 462, a cylinder body of the clamping cylinder 463 is fixed outside the electric heating cylinder 32, and a piston rod is supported on the clamping block 464 and connected between the clamping block 464. The clamping cylinder 463 drives the clamping block 464 to be pressed against the nylon tube in the discharge hole 461 when the bending wheel assembly 41 rotates, so that the nylon tube is prevented from rotating and twisting, and the forming quality of the nylon tube is further ensured.

Referring to fig. 7, the cutting device 6 includes a cutting groove 63 formed in the stopper 413, a fixing frame 64 connected to the outside of the stopper 413, a cutting cylinder 61 fixed in the fixing frame 64, and a cutter 62 connected to the end of the piston rod of the cutting cylinder 61, wherein the cutting groove 63 is perpendicular to the circular passage 416 and communicates the circular passage 416 with the outside of the stopper 413, and the cutter 62 is slidably disposed in the cutting groove 63. When the piston rod of the cutting cylinder 61 is ejected out, the cutter 62 is driven to slide to the circular channel 416 along the cutting groove 63 and cut the nylon tube passing through the circular channel 416, then the piston rod of the cutting cylinder 61 is retracted, the nylon tube can be continuously sent out along the circular channel 416, the purpose of automatically cutting the nylon tube is achieved, and the nylon tube cutting machine is quick in action, high in machining efficiency and good in quality.

Referring to fig. 6, the air cooling system 5 includes a cooler 51 provided on the cantilever 434 and a cooling air pipe 52 connected to the cooler 51, and an end of the cooling air pipe 52 is folded against the bending groove 414. Cooler 51 takes place air conditioning and blows it to bending groove 414 through cooling trachea 52, and when the nylon tube was impressed in bending groove 414, cooling trachea 52 blown the cold wind to bending groove 414 incurve nylon tube for the nylon tube cools off the design fast, when avoiding elbow subassembly 42 to loosen, the nylon tube takes place slowly to resume deformation, has further guaranteed the return bend quality of nylon tube.

The implementation principle of the automatic nylon tube heating forming equipment is as follows: firstly, a program is programmed according to product requirements, the program is input into a control system of a machine, then the nylon tube is sent to the lower conveying belt 12, the upper conveying belt 11 is driven to descend to clamp the nylon tube between the upper conveying belt 11 and the lower conveying belt 12, the nylon tube is continuously pulled forwards along with the opposite conveying of the upper conveying belt 11 and the lower conveying belt 12, the nylon tube enters the middle part of a spring 8 in the oven 31, the nylon tube extends forwards along the spring 8 to the electric heating cylinder 32 and enters the circular channel 416 through a discharge hole 461 of an output block 46 at the end part of the electric heating cylinder 32, the tube bending assembly 4 carries out tube bending according to the program to bend the nylon tube in multiple dimensions, and finally, the cutting cylinder 61 cuts off the nylon tube according to the program to complete the bending of the nylon tube, the actions are continued, and the connected tube bending actions are realized. Before bending, the nylon pipe is always in a heated state, so that the nylon pipe is easy to form, the air cooling system 5 carries out air cooling and temperature reduction on the bent nylon pipe part in time, the nylon pipe is rapidly cooled and shaped, slow deformation is avoided, the bent pipe precision is higher, and the quality of a processed product is stable; the whole process is carried out by a machine, the automation degree is high, and the processing efficiency is high.

In summary, the forming process of nylon tube forming by using the automatic nylon tube heating and forming equipment disclosed by the utility model comprises the following process steps:

s1: the end part of the coiled nylon tube is manually fed between an upper conveyor belt 11 and a lower conveyor belt 12 in the feeding assembly 1, so that the feeding assembly 1 continuously pulls the nylon tube;

s2: heating the machine body 2, and heating the nylon tube through the oven 31;

s3: the machine body 2 is heated, and the nylon tube is heated outside the machine body 2 through an electric heating barrel 32;

s4: bending, starting the second driving assembly 44 to drive the elbow assembly 42 to rotate a certain angle to press the nylon tube into the bending groove 414;

s5: dwell, the elbow assembly 42 maintains the nylon tube pressed into the bending tank 414 for several seconds;

s6: feeding, wherein the nylon pipe moves a certain distance to one end of the elbow assembly 4;

s7: adjusting the angle, starting the first driving assembly 43 to drive the bending wheel assembly 41 to rotate a certain angle along the circular channel 416;

s8: repeating S4-S7 until the length and the bending degree of the nylon tube meet the requirements;

s9: and cutting off, wherein the cutting-off air cylinder 61 drives the cutting-off cutter to eject and withdraw again, so that the nylon tube is cut off.

The nylon tube is heated in the process of reaching the elbow assembly 4 from the feeding assembly 1, and is easy to reshape, so that the problem of slow recovery of deformation after the nylon tube is completely folded can be avoided, the nylon tube is ensured to have better shaping precision, meanwhile, the whole shaping process is completed by a machine, and no manual operation process is required except for the first lead wire.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a nylon tube self-heating former, includes fuselage (2), pay-off assembly (1), heating assembly (3) and return bend assembly (4), its characterized in that: heating assembly (3) include with oven (31) of pay-off assembly (1) intercommunication with locate oven (31) with electric heating tube (32) between return bend assembly (4), be equipped with the heating coil in electric heating tube (32), the nylon pipe is followed pay-off assembly (1) is sent into, the warp oven (31) reach the heating coil and get into return bend assembly (4), electric heating tube (32) with return bend assembly (4) are located fuselage (2) outside, return bend assembly (4) outside is equipped with air-cooled system (5) and cutting device (6).

2. The automatic nylon tube heating and molding device according to claim 1, wherein: the elbow assembly (4) is arranged at the end part of the electric heating cylinder (32) far away from the machine body (2), and comprises an elbow component (41) rotationally connected to the electric heating cylinder (32), a first driving component (43) driving the elbow component (41) to rotate, an elbow component (42) rotationally connected to the elbow component (41) and a second driving component (44) driving the elbow component (42) to rotate relative to the elbow component (41); the bent wheel component (41) comprises a rectangular block (411) which is integrally connected, a fan-shaped block (412) which is connected to one surface of the rectangular block (411) and a limit block (413) which is arranged on the other surface of the rectangular block (411), bending grooves (414) are formed in the upper edge of the fan-shaped block (412) along the arc-shaped surface, two ends of each bending groove (414) extend to two surfaces of the rectangular block (411) and penetrate through the rectangular block (411), one side of the limiting block (413) close to the rectangular block (411) is provided with a matching groove (415), the matching groove (415) is buckled with the bending groove (414) to form a circular channel (416), one end of the circular passage (416) far away from the fan-shaped block (412) is opposite to the outlet of the electric heating cylinder (32) and is rotationally connected with the central axis of the circular passage (416) as the center of a circle, the center of rotation of the elbow assembly (42) coincides with the center of the sector (412).

3. The automatic nylon tube heating and molding device according to claim 2, wherein: the elbow component (42) comprises a rotating shaft (421) arranged at the circle center of the fan-shaped block (412) in a penetrating mode, rotating arms (422) connected to two ends of the rotating shaft (421) and bending rods (423) connected between the rotating arms (422), and the second driving component (44) drives the rotating shaft (421) to rotate.

4. The automatic nylon tube heating and molding device according to claim 3, wherein: first drive assembly (43) including rotate connect in driving-disc (433) on fuselage (2), connect in cantilever (434) on driving-disc (433), driving-disc (433) with the coaxial setting of axis of electrical heating section of thick bamboo (32), cantilever (434) with electrical heating section of thick bamboo (32) are parallel just cantilever (434) are kept away from the one end of fuselage (2) with bend wheel subassembly (41) are connected, fuselage (2) inside is equipped with the drive driving-disc (433) pivoted first servo motor (431) and first reduction gear (432).

5. The automatic nylon tube heating and molding device according to claim 4, wherein: the second driving assembly (44) comprises a second servo motor (441) and a second speed reducer (442) which are arranged on the cantilever (434), and an output shaft of the second speed reducer (442) is connected with the rotating shaft (421) through a coupling (45).

6. The automatic nylon tube heating and molding apparatus according to claim 4 or 5, wherein: the air cooling system (5) comprises a cooler (51) arranged on the cantilever (434) and a cooling air pipe (52) connected to the cooler (51), and the end part of the cooling air pipe (52) is over against the bending groove (414).

7. The automatic nylon tube heating and molding device according to claim 2, wherein: cutting device (6) including offering in cutting off groove (63) on stopper (413), connect in stopper (413) outside fixed frame (64), locate cut off cylinder (61) in fixed frame (64) and connect in cut off cutter (62) of the tailpiece of the piston rod portion of cylinder (61), cut off groove (63) perpendicular to circular passageway (416) and intercommunication circular passageway (416) are outside with stopper (413), cutter (62) slide set up in cut off in groove (63).

8. The automatic nylon tube heating and molding device according to claim 2, wherein: an output block (46) is arranged between the electric heating cylinder (32) and the bent wheel assembly (41), a discharge hole (461) is formed in the output block (46), a clamping port (462) is formed in the output block (46) and perpendicular to the discharge hole (461), the clamping port (462) is communicated with the discharge hole (461), a clamping block (464) is arranged in the clamping port (462) in a sliding mode, a clamping cylinder (463) is arranged outside the clamping port (462), a cylinder body of the clamping cylinder (463) is fixed to the outside of the electric heating cylinder (32), and a piston rod is arranged on the clamping block (464) in a propping mode.

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