CN107738449B

CN107738449B - Processing device and processing method for double-layer foaming pipe and product thereof

Info

Publication number: CN107738449B
Application number: CN201710936175.7A
Authority: CN
Inventors: 黄志晓
Original assignee: Yongjia County Plastic Co ltd
Current assignee: Yongjia County Plastic Co ltd
Priority date: 2017-10-10
Filing date: 2017-10-10
Publication date: 2021-01-05
Anticipated expiration: 2037-10-10
Also published as: CN107738449A

Abstract

The invention relates to a processing device of a double-layer foaming pipe, a processing method of the double-layer foaming pipe and a product produced by the processing method of the double-layer foaming pipe. The processing method of the double-layer foaming pipe is characterized in that a foaming material heat bonding station and a self foaming material heat bonding station are preset, the inner core and the protective layer are heated when being positioned at the foaming material heat bonding station simultaneously, so that the protective layer is bonded with the inner core, and the protective layer is heated when being positioned at the self foaming material heat bonding station, so that two ends of the protective layer are bonded with each other.

Description

Processing device and processing method for double-layer foaming pipe and product thereof

Technical Field

The invention relates to a processing device of a double-layer foaming pipe, a processing method of the double-layer foaming pipe and a product produced by the processing method of the double-layer foaming pipe.

Background

The foaming tube is mainly used in industries of matching electric appliances, electronics, furniture equipment, toys, hardware, medical equipment, sports goods, sound equipment, lamp decorations, machinery, automobiles and the like. When the foaming pipe is placed outdoors for a long time, the foaming pipe is easy to weather and damage, the service life is short, the peripheral surface of the foaming pipe is a plane, the appearance is single, and the foaming pipe is not attractive.

Disclosure of Invention

The invention provides a processing device and a processing method for a double-layer foaming pipe and a product thereof.

The technical scheme of the processing device of the double-layer foaming pipe is as follows: the processing device of the double-layer foaming pipe comprises a guide plate and a hot air pipe, wherein the guide plate is provided with an inlet end and an outlet end, the curvature from the inlet end to the outlet end is gradually increased, the hot air pipe is provided with an air outlet, the guide plate comprises a foaming material thermal bonding station and a self foaming material thermal bonding station, the air outlet faces the foaming material thermal bonding station, and the air outlet faces the self foaming material thermal bonding station.

The processing device of the double-layer foaming pipe has the beneficial effects that: the inner core and the protective layer are arranged on the guide plate, the protective layer is positioned on the outer side of the inner core, the guide plate is in an open funnel shape, the protective layer moves along the axial direction of the guide plate, the protective layer is soft, when the protective layer slides over the guide plate, along with the shape change of the guide plate, the curvature of the guide plate is gradually increased from the inlet end to the outlet end, the protective layer slowly and annularly wraps the inner core, hot air is guided by the guide plate, so that the hot air can blow the surfaces of the inner core and the protective layer, the heating area and the heating effect are improved, the guide plate is simultaneously provided with two thermal bonding stations with different functions, wherein the thermal bonding station of other foaming materials is used for bonding the inner core and the protective layer, and the thermal bonding station of the self foaming materials is used for bonding the protective layer to form an annular shape so as to completely wrap the inner core in, high and the processing effect of machining efficiency is outstanding.

The technical scheme of the processing method of the double-layer foaming pipe is as follows: presetting other foaming material heat bonding stations and self foaming material heat bonding stations, heating the inner core and the protective layer when the inner core and the protective layer are positioned at the other foaming material heat bonding stations simultaneously to bond the protective layer and the inner core, and heating the protective layer when the protective layer is positioned at the self foaming material heat bonding station to bond two ends of the protective layer with each other.

The processing method of the double-layer foaming pipe has the beneficial effects that: the inner core and the protective layer are bonded through two different thermal bonding stations, wherein the other thermal bonding station is used for bonding the inner core and the protective layer, and the self thermal bonding station is used for bonding the protective layer, so that the processing efficiency is high, and the processing effect is excellent.

The double-layer foaming pipe obtained by the processing method of the double-layer foaming pipe has firm adhesion and attractive appearance.

The invention is further described below with reference to specific embodiments and the accompanying drawings.

Drawings

FIG. 1 is a sectional view showing the structure of a double-layer foam tube 3;

FIG. 2 is a schematic structural diagram of a processing device of a double-layer foaming pipe;

FIG. 3 is a schematic structural view of the guide plate 21;

FIG. 4 is an exploded view of the core retainer 4;

FIG. 5 is an exploded view of the protective layer retainer 5;

fig. 6 is an exploded view of the traction mechanism 6;

fig. 7 is a structural sectional view of the double-layer foaming tube retainer 22.

Detailed Description

The embodiment of the processing device of the double-layer foaming pipe of the invention is shown in fig. 2-7, and comprises an operation table 1, a guide plate 21 arranged on the operation table 1, and a hot air pipe 23, wherein the guide plate 21 is provided with an inlet end 211 and an outlet end 212, the curvature of the inlet end 211 to the outlet end 212 is gradually increased, the hot air pipe 23 is provided with an air outlet (not shown in the figure), the guide plate 21 comprises a foaming material thermal bonding station a and a self-foaming material thermal bonding station b, the air outlet faces the foaming material thermal bonding station a, and the air outlet faces the self-foaming material thermal bonding station b.

The foam material heat bonding station a and the self foam material heat bonding station b are heat bonding stations specifically existing on the guide plate 21, the foam material heat bonding station a is a process position for performing heat bonding on two different types of foam materials, particularly the inner core 31 and the protective layer 32, and the self foam material heat bonding station b is a process position for performing heat bonding on a single type of foam material, particularly the protective layer 32 by itself in the same way, as long as an air outlet is provided for providing hot air for the heat bonding station.

Preferably, a double layer foam tube retainer 22 is included, with the double layer foam tube retainer 22 being located at the outlet end 212. The double-layer foaming pipe positioner 22 has guiding and limiting effects on the machined double-layer foaming pipe 3, so that the overall positioning effect of machining operation is promoted, and the machining quality is improved.

Preferably, an inner core locator 4 and a protective layer locator 5 are provided, the inner core locator 4 and the protective layer locator 5 are respectively located at the inlet end 211, and the position height of the inner core locator 4 is higher than that of the protective layer locator 5. Make inner core 31 be located the top of protective layer 32, make things convenient for protective layer 32 to warp the parcel, combine to fix a position respectively will greatly promote operation accuracy and processingquality to both.

Still more preferably, the double-layer foaming pipe drawing device comprises a drawing mechanism 6, the drawing mechanism 6 draws and acts on the double-layer foaming pipe 3, the drawing mechanism 6 comprises two groups of rollers 62 and a driving part for driving the rollers 62 to rotate, each group of rollers 62 comprises a driving wheel 621 and a driven wheel 622, the driving wheel 621 is connected with the driven wheel 622 through a conveying belt 623, a drawing area 634 for the double-layer foaming pipe 3 to pass through is arranged between the two conveying belts 623, the conveying belts 623 can be abutted to the outer peripheral surface of the double-layer foaming pipe 3, and the drawing mechanism 6 is provided with a limiting column 63 which is matched with the double-layer foaming pipe 3.

The traction mechanism 6 pulls the double-layer foaming pipe 3 to implement the whole processing process, after the double-layer foaming pipe 3 comes out of the double-layer foaming pipe positioner 22, the double-layer foaming pipe is clamped between the two conveying belts 623, the conveying belts 623 pull the double-layer foaming pipe 3 out of the double-layer foaming pipe positioner 22 through the friction force between the conveying belts 623 and the double-layer foaming pipe 3, the double-layer foaming pipe 3 after being processed moves towards the discharging direction, the driving part can be composed of a motor or a transmission gear and the like, the distance between the two conveying belts 623 can be adjusted, the double-layer foaming pipe positioner is suitable for the double-layer foaming pipes 3 with different sizes, the structure is simple, the efficiency is high, the integral positioning effect of processing operation is promoted, and the processing.

The inner core positioner 4 comprises two symmetrically arranged clamping pieces 41, a clamping area 42 matched with the inner core 31 is formed between the two clamping pieces 41, and the opening of one end of the clamping area 42 far away from the inlet end 211 is larger than that of the end close to the inlet end 211. The clamping piece 41 has the clamping effect and the guiding effect on the inner core 31, the opening at one end of the clamping area 42 is large so that the inner core 31 can conveniently enter the clamping area 42, the friction of the port of the clamping area 42 on the inner core 31 can be reduced, the peripheral surface of the inner core 31 is prevented from being damaged, and the product quality is improved.

The core locator 4 further includes a fixing member 43 for fixing the clip 41, the fixing member 43 includes a supporting block 431, the clip 41 is connected to the supporting block 431 through a first connecting rod 432, one end of the first connecting rod 432 is connected to the clip 41, the other end of the first connecting rod 432 is inserted into the supporting block 431, and the first connecting rod 432 and the supporting block 431 form an axial sliding fit and a circumferential rotation fit. First connecting rod 432 wears to establish fixedly through first bolt 433 on supporting shoe 431, first bolt 433 passes supporting shoe 431 and first connecting rod 432's outer peripheral face butt, when the size of needs adjustment clamping area 42, loosen first bolt 433, make the position change of clamping piece 41 through removing first connecting rod 432, also can change the angle of clamping piece 41 through first connecting rod 432's rotation, after adjusting, tighten first bolt 433 again and fix, moreover, the steam generator is simple in structure, it is convenient to adjust, adapt to not inner core 31 of equidimension, wide application range.

The protective layer positioner 5 comprises a first guide rod 51 and a second guide rod 52 which are arranged side by side, the first guide rod 51 and the second guide rod 52 are arranged at intervals to form a channel 53 for the protective layer 32 to pass through, a support frame 11 for the inner core 31 to be erected is arranged, the first guide rod 51 and the second guide rod 52 are arranged on the support frame 11, two symmetrical limiting rollers 111 are arranged on the support frame 11, and a gap 1111 for the inner core 31 to pass through is arranged between the limiting rollers 111. The support frame 11 comprises two support legs 112 and a support plate 113 connecting the two support legs 112, a first guide rod 51 and a second guide rod 52 are connected to the support legs 112, the support legs 112 are provided with elongated slots 1121 for the first guide rod 51 and the second guide rod 52 to pass through, the first guide rod 51 and the second guide rod 52 can move along the length direction of the elongated slots 1121 so as to adjust the distance between the first guide rod 51 and the second guide rod 52, i.e. adjust the width of the channel 53, for the protective layers 32 with different thicknesses to pass through, to avoid the protective layers 32 from shaking, the limit rollers 111 are provided with rotating shafts 1112, the support plates 113 are provided with strip-shaped holes 1131 for the rotating shafts 1112 to pass through, one end of the rotating shafts 1112 is fixed on the support plates 113 through nuts after passing through the support plates 113, the rotating shafts 1112 and the strip-shaped holes 1131 form a guide sliding fit, so as to adjust the gap 1111 between the two limit rollers 111, so as to adapt to, the limiting idler wheel 111 has the limiting and guiding functions on the inner core 31, the forward friction force of the inner core 31 can be reduced, the structure is simple, the adjustment is convenient, and the application range is wide.

The double-layer foam tube positioner 22 comprises an outer ring 221 and an inner ring 222, wherein the outer ring 221 is fixedly arranged, and the inner ring 222 is embedded in the outer ring 221 and forms a detachable arrangement with the outer ring 221. The inner ring 222 is replaceable, so as to adapt to foaming pipes 3 of different sizes, the inner diameters of different inner rings 222 can be different, the inner ring 222 and the outer ring 221 are fixed through the second bolt 223, one end of the second bolt 223 penetrates through the outer peripheral surfaces of the outer ring 221 and the inner ring 222 to be abutted, fixed connection of the outer ring 221 and the inner ring 222 is achieved, during replacement, only the second bolt 223 needs to be loosened to detach the inner ring 222, the structure is simple, operation is convenient, and the service life is prolonged.

The side of the guide plate 21 is provided with a support 12 for fixing the hot air pipe 23, an adjusting mechanism 121 is arranged between the hot air pipe 23 and the support 12, the adjusting mechanism 121 comprises a second connecting rod 1211 connected with the support 12 and a third connecting rod 1212 connected with the hot air pipe 23, the second connecting rod 1211 and the third connecting rod 1212 are connected through a connecting piece 1213, the second connecting rod 1211 and the connecting piece 1213 form an axial sliding fit and a circumferential rotating fit, and the third connecting rod 1212 and the connecting piece 1213 form an axial sliding fit and a circumferential rotating fit. The second connecting rod 1211 and the third connecting rod 1212 are both inserted into the connecting member 1213, the second connecting rod 1211 and the connecting member 1213 are fixed by a third bolt 1214, one end of the third bolt 1214 passes through the connecting member 1213 to abut against the outer peripheral surface of the second connecting rod 1211, the third connecting rod 1212 and the connecting member 1213 are fixed by a fourth bolt 1215, one end of the fourth bolt 1215 passes through the connecting member 1213 to abut against the outer peripheral surface of the third connecting rod 1212, when the second connecting rod 1211 or the third connecting rod 1212 needs to be moved or rotated, only the third bolt 1214 or the fourth bolt 1215 needs to be loosened, the third bolt 1214 or the fourth bolt 1215 is screwed after the adjustment is completed, the hot air pipe 23 can move up and down and back and forth by the arrangement of the second connecting rod 1214 and the third connecting rod 1215, and the position of the hot air pipe 23 can be adjusted to ensure that the inner core 31 and the protective layer 32 are heated more uniformly, so that the sticking effect is better, the structure is simple, and the adjustment is convenient.

The support 12 comprises a vertical column 122 and a cross bar 123 hinged with the vertical column 122, the cross bar 123 is connected with an air cylinder 124 for driving the cross bar 123 to rotate, a second connecting rod 1211 is connected with the cross bar 123, and the support is further provided with a control assembly 7, wherein the control assembly 7 comprises a temperature regulator 71 for regulating the temperature in the hot air pipe 23 and a switch button 72. The second connecting rod 1211 is connected on the cross rod 123, the cross rod 123 rotates to drive the hot air duct 23 to rotate, in operation, the inner core 31 and the protective layer 32 need to be manually arranged on the guide plate 21, if the hot air duct 23 is always arranged right opposite to the guide plate 21, the feeding can be blocked, the cross rod 123 can be rotated at the moment, the hot air duct 23 deviates from the guide plate 21, after the feeding is completed, the hot air duct 23 is reset, and therefore the situation that an operator touches the hot air duct 23 to be scalded can be avoided, the safety and the efficiency are high, the temperature of hot air blown out from the hot air duct 23 can be adjusted by the temperature adjuster 71, the overhigh temperature is avoided, the inner core 31 and the protective layer 32 are excessively melted, the size of the double-layer foaming pipe 3 is affected, or the temperature is too low, the inner core 31 and the protective layer 32 cannot be sufficiently melted.

Referring to fig. 2 to 7, a preparation example of the method for processing a double-layer foam tube of the present invention is preset with a thermal bonding station a for other foam material and a thermal bonding station b for self foam material, and the inner core 31 and the protective layer 32 are heated while being simultaneously positioned at the thermal bonding station a for other foam material, so that the protective layer 32 and the inner core 31 are bonded, and the protective layer 32 is heated while being positioned at the thermal bonding station b for self foam material, so that both ends of the protective layer 32 are bonded to each other.

It is preferable that the inner core 31 and the protective layer 32 are positioned before being bonded, and the double-layer foam tube 3 is positioned after the inner core 31 and the protective layer 32 are bonded, and the double-layer foam tube 3 is pulled. Greatly promoting the positioning effect and even greatly improving the processing quality.

Preferably, the inner core 31 and the protective layer 32 are heated and run while being located at the thermal bonding station b of other foamed materials. It is intended to express that both the inner core 31 and the protective layer 32 are heated and advanced simultaneously, i.e., heated while advancing, and then both are bonded while advancing, so that the process is smooth, and the process quality and efficiency are improved.

Preferably, the protective layer 32 surrounds and encases the inner core 31 at its foam heat bonding station b. It is intended to express that the heat bonding process of the protective layer 32 at the heat bonding station b of other foamed materials is completed by enclosing and then wrapping the inner core 31. The bonding effect is outstanding and stable.

More preferably, inner core 31 and double layer foam tube 32 have coincident machining reference line c. The machining reference line c is a reference line to be followed by the inner core 31 and the double-layer foaming tube 32 when they travel, and it can be understood that since both are tubular, the geometric centers of both are substantially coincident straight lines, or it can be understood that both travel paths are substantially along the machining reference line c, and deviation from the straight line due to slight errors in assembly should still be considered as conforming to the rules of the machining reference line c.

The production process of the double-layer foaming pipe 3 is that the double-layer foaming pipe is heated by the foaming material heat bonding station a, the protective layer 32 is bonded with the inner core 31, and then the double-layer foaming pipe is heated by the self foaming material heat bonding station b, so that the joint parts of the two ends of the protective layer 32 are bonded to obtain the double-layer foaming pipe. Has the advantages of firm bonding and neat and uniform appearance.

The present invention is not limited to the above embodiments, and those skilled in the art can implement the present invention in other embodiments according to the disclosure of the present invention, or make simple changes or modifications on the design structure and idea of the present invention, and fall into the protection scope of the present invention.

Claims

1. Processing device of double-deck foaming pipe, its characterized in that:

comprises a guide plate and a hot air pipe, wherein the guide plate is provided with an inlet end and an outlet end, the curvature from the inlet end to the outlet end is gradually increased, the hot air pipe is provided with an air outlet, the guide plate comprises a foaming material thermal bonding station and a self foaming material thermal bonding station, the air outlet of the hot air pipe at the upstream faces the foaming material thermal bonding station, the air outlet of the hot air pipe at the downstream faces the self foaming material thermal bonding station, the foaming material thermal bonding station is used for bonding an inner core and a protective layer, the self foaming material thermal bonding station is used for bonding the protective layer,

comprises an inner core locator and a protective layer locator, wherein the inner core locator and the protective layer locator are respectively positioned at an inlet end, the position height of the inner core locator is higher than that of the protective layer locator,

the inner core positioner comprises two clamping pieces which are symmetrically arranged, a clamping area matched with the inner core is formed between the two clamping pieces, the opening of one end of the clamping area far away from the inlet end is larger than the opening of one end close to the inlet end,

the inner core positioner also comprises a fixing part for fixing the clamping piece, the fixing part comprises a supporting block, the clamping piece is connected with the supporting block through a first connecting rod, one end of the first connecting rod is connected with the clamping piece, the other end of the first connecting rod penetrates through the supporting block, the first connecting rod and the supporting block form axial sliding fit and circumferential rotation fit,

the protective layer positioner comprises a first guide rod and a second guide rod which are arranged side by side, the first guide rod and the second guide rod are arranged at intervals to form a channel for the protective layer to pass through, a support frame for the inner core to be erected is arranged, the first guide rod and the second guide rod are arranged on the support frame, two symmetrical limiting rollers are arranged on the support frame, a gap for the inner core to pass through is arranged between the limiting rollers,

the support frame includes two support legs and connects the backup pad of two support legs, first guide bar and second guide bar are connected on the support leg, be provided with the elongated slot that supplies first guide bar and second guide bar to pass on the support leg, the length direction removal of elongated slot can be followed to first guide bar and second guide bar, be provided with the pivot on the spacing gyro wheel, be provided with the bar hole that supplies the pivot to pass in the backup pad, the one end of pivot is fixed in the backup pad through the nut after passing the backup pad, the cooperation of sliding is led in pivot and bar hole formation.

2. The apparatus for processing a double-layer foam tube according to claim 1, wherein: the double-layer foaming pipe positioner is positioned at the outlet end.

3. The apparatus for processing a double-layer foam pipe according to claim 1 or 2, wherein: including drive mechanism, drive mechanism pulls and acts on double-deck foaming pipe, drive mechanism includes two sets of gyro wheels and drive roller pivoted driving piece, every group gyro wheel includes a action wheel and a follow driving wheel, the action wheel passes through the conveyer belt with follow driving wheel and connects, be provided with the traction area that supplies double-deck foaming pipe to pass between two conveyer belts, the conveyer belt can with the outer peripheral face butt of double-deck foaming pipe, drive mechanism is provided with and prevents the spacing post of double-deck foaming pipe skew with the cooperation of double-deck foaming pipe.

4. The double-layer foaming tube is characterized in that: it is produced by the apparatus for processing a double-layer foam tube according to claim 1.