CN213108279U - Anti-oxidation hot melting equipment for plastic pipes - Google Patents
Anti-oxidation hot melting equipment for plastic pipes Download PDFInfo
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- CN213108279U CN213108279U CN202021701842.7U CN202021701842U CN213108279U CN 213108279 U CN213108279 U CN 213108279U CN 202021701842 U CN202021701842 U CN 202021701842U CN 213108279 U CN213108279 U CN 213108279U
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Abstract
The utility model relates to a plastics tubular product processing technology field, in particular to plastics tubular product anti-oxidation heat fusion equipment, including base, aerating device, heat fusion cavity and heating device, one side of heat fusion cavity is equipped with first through-hole, the opposite side of heat fusion cavity is equipped with the second through-hole, the axis coincidence of second through-hole and first through-hole, the inner edge of first through-hole is equipped with first inflatable seal circle, first inflatable seal circle is equipped with first admission valve and first air outlet valve, first admission valve passes through the connecting pipe and connects in aerating device; the inner edge of the second through hole is provided with a second inflatable sealing ring, the second inflatable sealing ring is provided with a second air inlet valve and a second air outlet valve, the inner edge of the inflatable sealing ring is tightly attached to the outer wall of the pipe by inflating the inflatable sealing ring, and a gap between the outer wall of the pipe and the inflatable sealing ring is sealed, so that a relatively closed space is formed in the heat welding chamber, and the heat welding chamber is prevented from being contacted with the outside air.
Description
Technical Field
The utility model relates to a plastics tubular product processing technology field, in particular to plastics tubular product prevents oxidation heat fusion equipment.
Background
Among the prior art, the mode of linking between the plastics tubular product is through heating the back with the tubular product link and carrying out artifical grafting, adopt the heating die to heat the butt joint one end of the plastics tubular product that needs the butt joint earlier, dock the heating end of tubular product through the manual work again, because the speed that tubular product heating was accomplished is faster than the speed that tubular product grafting was accomplished far away, the tubular product after the heating can not expose for a long time in the air, otherwise the heating end of tubular product takes place oxidation phenomenon easily, the hardness that the formation oxide layer made tubular product link department easily descends, how to make the butt joint end of tubular product can reduce the accurate butt joint of accomplishing tubular product under the condition of contact air after the heating and be urgent technical problem that needs to solve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a plastics tubular product anti-oxidation hot melt equipment, makes the hot melt of tubular product, butt joint all carry out in inclosed space, avoids the butt fusion portion oxidation.
In order to solve the technical problem, the utility model discloses a technical scheme be: an anti-oxidation heat welding device for plastic pipes comprises a base, an air charging device, a heat welding cavity and a heating device, wherein the heat welding cavity is arranged in the middle of the base, a first through hole is formed in one side of the heat welding cavity, a second through hole is formed in the other side of the heat welding cavity, the second through hole is overlapped with the axis of the first through hole, a first air charging sealing ring is arranged on the inner edge of the first through hole, a first air inlet valve and a first air outlet valve are arranged on the first air charging sealing ring, and the first air inlet valve is connected to the air charging device through a connecting pipe; the interior edge of second through-hole is equipped with second inflatable seal circle, second inflatable seal circle is equipped with second admission valve and second air outlet valve, the second admission valve passes through the connecting pipe and connects in aerating device, heat-fusion chamber middle part is equipped with the opening, heating device includes pneumatic cylinder, connecting plate and heater head, the axis of the first through-hole of pneumatic cylinder perpendicular to, heater head is fixed in the connecting plate, the connecting plate is fixed in the piston end of pneumatic cylinder, makes heater head get into the heat-fusion chamber or leave the heat-fusion chamber under the drive of pneumatic cylinder, the one end that is close to the heat-fusion chamber of connecting plate is equipped with the chamfer.
The beneficial effects of the utility model reside in that: the utility model relates to an among the anti-oxidation hot melt equipment structure of plastics tubular product, through the design hot melt cavity of splicing, the hot melt one end of the tubular product that needs the hot melt to splice accomplishes the process of hot melt and butt joint in the hot melt cavity, because first through-hole and second through-hole department at the hot melt cavity all set up inflatable seal circle, after tubular product stretches into the hot melt cavity through first through-hole or second through-hole, aerify through for inflatable seal circle, make inflatable seal circle's interior edge hug closely the tubular product outer wall, seal the tubular product outer wall and aerify the clearance between the sealing washer, thereby make the hot melt cavity internal formation relative confined space, avoid contacting with the external air, reduce heating terminal contact air and take place the oxidation.
Drawings
Fig. 1 is a schematic structural view of an anti-oxidation thermal welding device for plastic pipes according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a thermal welding chamber of an anti-oxidation thermal welding device for plastic pipes according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial structure of an anti-oxidation thermal welding device for plastic pipes according to an embodiment of the present invention;
description of reference numerals:
1. a base; 2. a thermal welding chamber; 21. a first through hole; 22. a second through hole; 23. an opening; 24. a torsion spring; 25. closing the plate; 3. a heating device; 31. a hydraulic cylinder; 32. a connecting plate; 33. heating the die head; 4. a first inflatable sealing ring; 41. a first intake valve; 42. a first gas outlet valve; 5. a second inflatable seal ring; 51. a second intake valve; 52. a second gas outlet valve; 6. a first clamping pipe conveying device; 61. a first guide rail; 62. a first slider; 621. a first rack; 63. a first clamp; 7. a second clamping pipe conveying device; 71. a second guide rail; 72. a second slider; 721. a second rack; 73. a second clamp; 8. a transmission gear; 9. a connecting pipe; 10. A tube head stopper; 101. a claw is provided.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, the utility model relates to an anti-oxidation heat welding equipment for plastic pipes, which comprises a base 1, an inflation device, a heat welding chamber 2 and a heating device 3, wherein the heat welding chamber 2 is arranged in the middle of the base 1, one side of the heat welding chamber 2 is provided with a first through hole 21, the other side of the heat welding chamber 2 is provided with a second through hole 22, the second through hole 22 coincides with the axis of the first through hole 21, the inner edge of the first through hole 21 is provided with a first inflation sealing ring 4, the first inflation sealing ring 4 is provided with a first air inlet valve 41 and a first air outlet valve 42, and the first air inlet valve 41 is connected to the inflation device through a connecting pipe 9; the interior edge of second through-hole 22 is equipped with second inflatable seal circle 5, second inflatable seal circle 5 is equipped with second admission valve 51 and second air outlet valve 52, second admission valve 51 passes through connecting pipe 9 and connects in aerating device, heat fusion chamber 2 middle part is equipped with opening 23, heating device includes pneumatic cylinder 31, connecting plate 32 and heated die 33, the axis of the first through-hole 21 of pneumatic cylinder 31 perpendicular to, heated die 33 is fixed in connecting plate 32, connecting plate 32 is fixed in the piston end of pneumatic cylinder 31, makes heated die 33 get into heat fusion chamber 2 or leave heat fusion chamber 2 under the drive of pneumatic cylinder 31, the one end that is close to the heat fusion chamber of connecting plate is equipped with the chamfer.
The working principle of the structure of the thermal welding device for the plastic pipes is as follows: one end to be thermally welded extends into the thermal welding chamber 2 through the first through hole 21 and the second through hole 22 respectively, a gap is reserved between the two pipes at the moment, the hydraulic cylinder 31 controls the connecting plate 32 to enter the thermal welding chamber 2 through the opening 23, the axis of the heating die head 33 on the connecting plate 32 is overlapped with the two plastic pipes, the thermal welding ends of the two plastic pipes are matched and connected with the heating die head 33 to heat the thermal welding ends, after heating is finished, the pipes leave the heating die head 33, the hydraulic cylinder 31 controls the connecting plate 32 to return, and the thermal welding ends of the two pipes move oppositely to realize butt joint.
Above-mentioned first inflatable seal circle is connected with aerating device through first admission valve, aerating device specifically is the air pump, air pump accessible PLC sets for the procedure and controls, also accessible set up photoelectric sensor near first inflatable seal circle, when the pipe gets into the heat fusion chamber from first through-hole in, photoelectric sensor gives PLC with the sensing signal transmission, thereby control the air pump and aerify for first inflatable seal circle, make first inflatable seal circle inflation and hug closely the tubular product outer wall, reach the purpose that heat fusion chamber and exterior space are sealed with this, after the heat fusion is accomplished, unload the gas in the first inflatable seal circle through first air outlet valve, thereby make things convenient for tubular product to take out in the heat fusion chamber, first air outlet valve is the aspiration pump of joinable and is accelerated gaseous discharge.
Above-mentioned second inflatable seal circle passes through the second admission valve and is connected with aerating device, aerating device specifically is the air pump, air pump accessible PLC sets for the procedure and controls, also accessible set up photoelectric sensor near second inflatable seal circle, when the pipe gets into the thermofussion chamber from the second through-hole in, photoelectric sensor gives PLC with the sensing signal transmission, thereby control the air pump and aerify for second inflatable seal circle, make the second inflatable seal circle inflation and hug closely the tubular product outer wall, with this purpose that reaches thermofussion chamber and exterior space confined, after the thermofussion is accomplished, unload the gas in the second inflatable seal circle through the second air outlet valve, thereby make things convenient for tubular product to take out in the thermofussion chamber, the second air outlet valve is the aspiration pump of joinable and is accelerated gaseous discharge.
Among the anti-oxidation hot melt equipment structure of above-mentioned plastics tubular product, through design hot melt chamber 2, the process of hot melt and butt joint is accomplished to the hot melt one end of the tubular product that needs the hot melt to connect in hot melt chamber 2, because first through-hole 21 and second through-hole 22 department at hot melt chamber 2 all set up inflatable seal circle, after tubular product stretches into in the hot melt chamber 2 through first through-hole 21 or second through-hole 22, aerify through aerifing inflatable seal circle, make inflatable seal circle's interior edge hug closely the tubular product outer wall, seal the clearance between tubular product outer wall and the inflatable seal circle, thereby make the hot melt chamber 2 interior relative confined space that forms, avoid contacting with the external air, reduce heating end contact air and take place the oxidation.
Further, in the structure of the anti-oxidation heat welding equipment for the plastic pipes, a sealing plate 25 is arranged at the opening 23, one side of the sealing plate 25 is hinged to the opening 23 through a torsion spring 24, so that when the connecting plate 32 enters the opening 23 under the driving of the hydraulic cylinder 31, the sealing plate 25 is pushed open by the connecting plate 32, and when the connecting plate 32 leaves the heat welding cavity 2, the opening 23 is sealed by the sealing plate 25 under the resilience of the torsion spring 24.
As can be seen from the above description, the structure that the closing plate 25 is connected to the opening 23 through the torsion spring 24 allows the closing plate 25 to be pushed open by the connecting plate 32 when the connecting plate 32 enters the opening 23 under the driving of the hydraulic cylinder 31, and the opening 23 is closed by the closing plate 25 under the resilience of the torsion spring 24 when the connecting plate 32 leaves the heat welding chamber 2, so as to further reduce the contact with the outside air during the heat welding of the pipes.
Furthermore, in the above structure of the anti-oxidation heat welding equipment for plastic pipes, the opening 23 is disposed at the upper part of the heat welding chamber 2.
In the above structure, the opening 23 is arranged upward, and the piston rod of the hydraulic cylinder 31 is vertically downward, so that the occupied space of the heat welding device can be saved.
Further, in the above structure of the anti-oxidation heat welding equipment for plastic pipes, the edge of the opening 23 is provided with a sealing rubber strip, so that when the connecting plate 32 enters the heat welding chamber 2, the edge of the connecting plate 32 contacts with the inner edge of the sealing rubber strip.
In the structure, the sealing rubber strip is arranged at the edge of the opening 23, so that when the connecting plate 32 enters the thermal welding cavity 2, the edge of the connecting plate 32 is in contact with the inner edge of the sealing rubber strip, and the contact with the outside air during the thermal welding of the pipe can be further reduced.
Further, in the anti-oxidation heat welding equipment structure for the plastic pipes, the anti-oxidation heat welding equipment structure for the plastic pipes further comprises a first clamping pipe conveying device 6 and a second clamping pipe conveying device 7, wherein the first clamping pipe conveying device 6 comprises a first guide rail 61, a first sliding block 62 and a first clamp 63, the first guide rail 61 is arranged on one side, close to the first through hole 21, of the base 1, the first guide rail 61 is parallel to the axis of the first through hole 21, the first sliding block 62 is connected to the first guide rail 61 in a sliding manner, the first clamp 63 is connected to the first sliding block 62, and the first clamp 63 is used for clamping the plastic pipes so that the axis of the clamped pipes coincides with the first through hole 21; the second clamping pipe conveying device 7 comprises a second guide rail 71, a second sliding block 72 and a second clamp 73, the second guide rail 71 is arranged on one side of the base 1 close to the second through hole 22, the second guide rail 71 is parallel to the axis of the second through hole 22, the second sliding block 72 is connected to the second guide rail 71 in a sliding mode, the second clamp 73 is connected to the second sliding block 72, and the second clamp 73 is used for clamping a plastic pipe so that the axis of the clamped pipe coincides with the second through hole 22.
Firstly, two plastic pipes to be thermally welded are respectively fixed on the first clamp 63 and the second clamp 73, so that the axes of the two pipes are superposed, one end to be thermally welded extends into the thermal welding chamber 2 through the first through hole 21 and the second through hole 22 respectively by the movement of the first sliding block 62 and the second sliding block 72, a gap is reserved between the two pipes at the moment, the hydraulic cylinder 31 controls the connecting plate 32 to enter the thermal welding chamber 2 through the opening 23, the axis of the heating die head 33 on the connecting plate 32 is overlapped with the two plastic pipes, the first sliding block 62 and the second sliding block 72 move, the thermal welding end of the two plastic pipes is matched and connected with the heating die head 33 to realize the heating of the thermal welding end, after the heating is finished, the pipes leave the heating die head 33, the hydraulic cylinder 31 controls the connecting plate 32 to return, and then the sliding blocks are controlled to move to enable the hot-melting connecting ends of the two pipes to move oppositely to realize butt joint.
Further, in the structure of the anti-oxidation heat welding equipment for the plastic pipes, the anti-oxidation heat welding equipment further comprises a driving device, the driving device comprises a motor, a speed reducer, a transmission gear 8, a first rack 621 and a second rack 721, the transmission gear 8 is in transmission connection with the motor through speed reduction, the axial direction of the transmission gear 8 is perpendicular to the direction of the first guide rail 61, the first rack 621 is fixed on the first sliding block 62, the first rack 621 is parallel to the first guide rail 61, the second rack 721 is fixed on the second sliding block 72, the second rack 721 is parallel to the second guide rail 71, the first rack 621 is in meshing connection with the transmission gear 8, and the second rack 721 is in meshing connection with the transmission gear 8.
In the structure, the first rack and the second rack are parallel to each other, the tooth surfaces of the first rack are opposite to the tooth surfaces of the second rack, the first rack and the second rack are respectively meshed with the transmission gear, the first rack, the second rack and the transmission gear are in neutral symmetrical distribution by taking the transmission gear as a circle center, the transmission gear 8 is driven to rotate by the motor and the speed reducer, the transmission gear 8 is jointly meshed with the first rack 621 and the second rack 721, the first sliding block 62 and the second sliding block 72 can be simultaneously controlled to synchronously withdraw from or enter the hot welding chamber 2 by the rotation of the transmission gear 8, the transmission structure is simple and stable, the sliding synchronism of the first sliding block and the second sliding block is good, the multi-section displacement in the hot welding process of the pipe can be smoothly completed, and the quality stability of the hot welding is ensured.
Furthermore, in the above-mentioned anti-oxidation heat fusion equipment structure of plastics tubular product, still include nitrogen cylinder and connecting pipe 9, 9 one end of connecting pipe is connected in the nitrogen cylinder, and the other end wears to locate the inside of heat fusion cavity 2.
As can be seen from the above description, in the process of pipe hot melt welding, nitrogen can be continuously introduced into the hot melt welding chamber 2 through the nitrogen cylinder, the exhaust holes can be arranged in the hot melt welding chamber 2, and the oxygen content in the hot melt welding chamber 2 is reduced through gas exchange, so that the contact with the external air during pipe hot melt welding is further reduced.
Further, in the above structure of the anti-oxidation heat welding equipment for plastic pipes, a smooth material layer is arranged on the inner edge of the first inflatable sealing ring 4, and a smooth material layer is arranged on the inner edge of the second inflatable sealing ring 5.
As can be seen from the above description, when the inflatable sealing ring is inflated and expanded, the inner edge of the inflatable sealing ring is tightly attached to the outer wall of the pipe, and the friction force generated by the axial movement of the pipe can be reduced by the smooth material layer.
Example 1
An anti-oxidation heat welding device for plastic pipes comprises a base 1, an air charging device, a heat welding chamber 2 and a heating device 3, wherein the heat welding chamber 2 is arranged in the middle of the base 1, a first through hole 21 is formed in one side of the heat welding chamber 2, a second through hole 22 is formed in the other side of the heat welding chamber 2, the second through hole 22 coincides with the axis of the first through hole 21, a first air charging sealing ring 4 is arranged on the inner edge of the first through hole 21, a first air inlet valve 41 and a first air outlet valve 42 are arranged on the first air charging sealing ring 4, and the first air inlet valve 41 is connected to the air charging device through a connecting pipe 9; the interior edge of second through-hole 22 is equipped with second inflatable seal circle 5, second inflatable seal circle 5 is equipped with second admission valve 51 and second air outlet valve 52, second admission valve 51 passes through connecting pipe 9 and connects in aerating device, heat fusion chamber 2 middle part is equipped with opening 23, heating device includes pneumatic cylinder 31, connecting plate 32 and heated die 33, the axis of the first through-hole 21 of pneumatic cylinder 31 perpendicular to, heated die 33 is fixed in connecting plate 32, connecting plate 32 is fixed in the piston end of pneumatic cylinder 31, makes heated die 33 get into heat fusion chamber 2 or leave heat fusion chamber 2 under the drive of pneumatic cylinder 31. The opening 23 department is equipped with the shrouding 25, one side of shrouding 25 articulates in opening 23 through torsional spring 24, and when making connecting plate 32 get into opening 23 under the drive of pneumatic cylinder 31, connecting plate 32 pushes away shrouding 25, and when connecting plate 32 left heat-fusion chamber 2, shrouding 25 closed opening 23 under torsional spring 24's resilience effect, the one end of connecting plate near heat-fusion chamber is equipped with the chamfer.
Above-mentioned first inflatable seal circle is connected with aerating device through first admission valve, aerating device specifically is the air pump, air pump accessible PLC sets for the procedure and controls, also accessible set up photoelectric sensor near first inflatable seal circle, when the pipe gets into the heat fusion chamber from first through-hole in, photoelectric sensor gives PLC with the sensing signal transmission, thereby control the air pump and aerify for first inflatable seal circle, make first inflatable seal circle inflation and hug closely the tubular product outer wall, reach the purpose that heat fusion chamber and exterior space are sealed with this, after the heat fusion is accomplished, unload the gas in the first inflatable seal circle through first air outlet valve, thereby make things convenient for tubular product to take out in the heat fusion chamber, first air outlet valve is the aspiration pump of joinable and is accelerated gaseous discharge.
Above-mentioned second inflatable seal circle passes through the second admission valve and is connected with aerating device, aerating device specifically is the air pump, air pump accessible PLC sets for the procedure and controls, also accessible set up photoelectric sensor near second inflatable seal circle, when the pipe gets into the thermofussion chamber from the second through-hole in, photoelectric sensor gives PLC with the sensing signal transmission, thereby control the air pump and aerify for second inflatable seal circle, make the second inflatable seal circle inflation and hug closely the tubular product outer wall, with this purpose that reaches thermofussion chamber and exterior space confined, after the thermofussion is accomplished, unload the gas in the second inflatable seal circle through the second air outlet valve, thereby make things convenient for tubular product to take out in the thermofussion chamber, the second air outlet valve is the aspiration pump of joinable and is accelerated gaseous discharge.
In the structure of the anti-oxidation heat welding equipment for the plastic pipes, the inner edge of the first inflatable sealing ring 4 is provided with a smooth material layer, and the inner edge of the second inflatable sealing ring 5 is provided with a smooth material layer. Because the inner edge of the inflatable sealing ring is tightly attached to the outer wall of the pipe when the inflatable sealing ring is inflated and expanded, the friction force generated by axial movement of the pipe can be reduced by the smooth material layer.
One end to be thermally welded extends into the thermal welding chamber 2 through the first through hole 21 and the second through hole 22 respectively, a gap is reserved between the two pipes at the moment, the hydraulic cylinder 31 controls the connecting plate 32 to enter the thermal welding chamber 2 through the opening 23, the axis of the heating die head 33 on the connecting plate 32 is overlapped with the two plastic pipes, the thermal welding ends of the two plastic pipes are matched and connected with the heating die head 33 to heat the thermal welding ends, after heating is finished, the pipes leave the heating die head 33, the hydraulic cylinder 31 controls the connecting plate 32 to return, and the thermal welding ends of the two pipes move oppositely to realize butt joint.
Example 2
An anti-oxidation heat welding device for plastic pipes comprises a base 1, an air charging device, a heat welding chamber 2 and a heating device 3, wherein the heat welding chamber 2 is arranged in the middle of the base 1, a first through hole 21 is formed in one side of the heat welding chamber 2, a second through hole 22 is formed in the other side of the heat welding chamber 2, the second through hole 22 coincides with the axis of the first through hole 21, a first air charging sealing ring 4 is arranged on the inner edge of the first through hole 21, a first air inlet valve 41 and a first air outlet valve 42 are arranged on the first air charging sealing ring 4, and the first air inlet valve 41 is connected to the air charging device through a connecting pipe 9; the interior edge of second through-hole 22 is equipped with second inflatable seal circle 5, second inflatable seal circle 5 is equipped with second admission valve 51 and second air outlet valve 52, second admission valve 51 passes through connecting pipe 9 and connects in aerating device, heat fusion chamber 2 middle part is equipped with opening 23, heating device includes pneumatic cylinder 31, connecting plate 32 and heated die 33, the axis of the first through-hole 21 of pneumatic cylinder 31 perpendicular to, heated die 33 is fixed in connecting plate 32, connecting plate 32 is fixed in the piston end of pneumatic cylinder 31, makes heated die 33 get into heat fusion chamber 2 or leave heat fusion chamber 2 under the drive of pneumatic cylinder 31. The opening 23 department is equipped with the shrouding 25, one side of shrouding 25 articulates in opening 23 through torsional spring 24, and when making connecting plate 32 get into opening 23 under the drive of pneumatic cylinder 31, connecting plate 32 pushes away shrouding 25, and when connecting plate 32 left heat-fusion chamber 2, shrouding 25 closed opening 23 under torsional spring 24's resilience effect, the one end of connecting plate near heat-fusion chamber is equipped with the chamfer.
In the structure of the anti-oxidation heat welding equipment for the plastic pipes, the inner edge of the first inflatable sealing ring 4 is provided with a smooth material layer, and the inner edge of the second inflatable sealing ring 5 is provided with a smooth material layer. Because the inner edge of the inflatable sealing ring is tightly attached to the outer wall of the pipe when the inflatable sealing ring is inflated and expanded, the friction force generated by axial movement of the pipe can be reduced by the smooth material layer.
The opening 23 is provided at an upper portion of the heat welding chamber 2. The edge of the opening 23 is provided with a sealing rubber strip, so that when the connecting plate 32 enters the thermal welding chamber 2, the edge of the connecting plate 32 is contacted with the inner edge of the sealing rubber strip. The pipe conveying device comprises a first clamping pipe conveying device 6 and a second clamping pipe conveying device 7, wherein the first clamping pipe conveying device 6 comprises a first guide rail 61, a first sliding block 62 and a first clamp 63, the first guide rail 61 is arranged on one side, close to the first through hole 21, of the base 1, the first guide rail 61 is parallel to the axis of the first through hole 21, the first sliding block 62 is connected to the first guide rail 61 in a sliding mode, the first clamp 63 is connected to the first sliding block 62, and the first clamp 63 is used for clamping a plastic pipe to enable the axis of the clamped pipe to be coincident with the first through hole 21; the second clamping pipe conveying device 7 comprises a second guide rail 71, a second sliding block 72 and a second clamp 73, the second guide rail 71 is arranged on one side of the base 1 close to the second through hole 22, the second guide rail 71 is parallel to the axis of the second through hole 22, the second sliding block 72 is connected to the second guide rail 71 in a sliding mode, the second clamp 73 is connected to the second sliding block 72, and the second clamp 73 is used for clamping a plastic pipe so that the axis of the clamped pipe coincides with the second through hole 22.
Firstly, two plastic pipes to be thermally welded are respectively fixed on the first clamp 63 and the second clamp 73, so that the axes of the two pipes are superposed, one end to be thermally welded extends into the thermal welding chamber 2 through the first through hole 21 and the second through hole 22 respectively by the movement of the first sliding block 62 and the second sliding block 72, a gap is reserved between the two pipes at the moment, the hydraulic cylinder 31 controls the connecting plate 32 to enter the thermal welding chamber 2 through the opening 23, the axis of the heating die head 33 on the connecting plate 32 is overlapped with the two plastic pipes, the first sliding block 62 and the second sliding block 72 move, the thermal welding end of the two plastic pipes is matched and connected with the heating die head 33 to realize the heating of the thermal welding end, after the heating is finished, the pipes leave the heating die head 33, the hydraulic cylinder 31 controls the connecting plate 32 to return, and then the sliding blocks are controlled to move to enable the hot-melting connecting ends of the two pipes to move oppositely to realize butt joint.
Example 3
An anti-oxidation heat welding device for plastic pipes comprises a base 1, an air charging device, a heat welding chamber 2 and a heating device 3, wherein the heat welding chamber 2 is arranged in the middle of the base 1, a first through hole 21 is formed in one side of the heat welding chamber 2, a second through hole 22 is formed in the other side of the heat welding chamber 2, the second through hole 22 coincides with the axis of the first through hole 21, a first air charging sealing ring 4 is arranged on the inner edge of the first through hole 21, a first air inlet valve 41 and a first air outlet valve 42 are arranged on the first air charging sealing ring 4, and the first air inlet valve 41 is connected to the air charging device through a connecting pipe 9; the interior edge of second through-hole 22 is equipped with second inflatable seal circle 5, second inflatable seal circle 5 is equipped with second admission valve 51 and second air outlet valve 52, second admission valve 51 passes through connecting pipe 9 and connects in aerating device, heat fusion chamber 2 middle part is equipped with opening 23, heating device includes pneumatic cylinder 31, connecting plate 32 and heated die 33, the axis of the first through-hole 21 of pneumatic cylinder 31 perpendicular to, heated die 33 is fixed in connecting plate 32, connecting plate 32 is fixed in the piston end of pneumatic cylinder 31, makes heated die 33 get into heat fusion chamber 2 or leave heat fusion chamber 2 under the drive of pneumatic cylinder 31. The opening 23 department is equipped with the shrouding 25, one side of shrouding 25 articulates in opening 23 through torsional spring 24, and when making connecting plate 32 get into opening 23 under the drive of pneumatic cylinder 31, connecting plate 32 pushes away shrouding 25, and when connecting plate 32 left heat-fusion chamber 2, shrouding 25 closed opening 23 under torsional spring 24's resilience effect, the one end of connecting plate near heat-fusion chamber is equipped with the chamfer.
In the structure of the anti-oxidation heat welding equipment for the plastic pipes, the inner edge of the first inflatable sealing ring 4 is provided with a smooth material layer, and the inner edge of the second inflatable sealing ring 5 is provided with a smooth material layer. Because the inner edge of the inflatable sealing ring is tightly attached to the outer wall of the pipe when the inflatable sealing ring is inflated and expanded, the friction force generated by axial movement of the pipe can be reduced by the smooth material layer.
The opening 23 is provided at an upper portion of the heat welding chamber 2. The edge of the opening 23 is provided with a sealing rubber strip, so that when the connecting plate 32 enters the thermal welding chamber 2, the edge of the connecting plate 32 is contacted with the inner edge of the sealing rubber strip. The pipe conveying device comprises a first clamping pipe conveying device 6 and a second clamping pipe conveying device 7, wherein the first clamping pipe conveying device 6 comprises a first guide rail 61, a first sliding block 62 and a first clamp 63, the first guide rail 61 is arranged on one side, close to the first through hole 21, of the base 1, the first guide rail 61 is parallel to the axis of the first through hole 21, the first sliding block 62 is connected to the first guide rail 61 in a sliding mode, the first clamp 63 is connected to the first sliding block 62, and the first clamp 63 is used for clamping a plastic pipe to enable the axis of the clamped pipe to be coincident with the first through hole 21; the second clamping pipe conveying device 7 comprises a second guide rail 71, a second sliding block 72 and a second clamp 73, the second guide rail 71 is arranged on one side of the base 1 close to the second through hole 22, the second guide rail 71 is parallel to the axis of the second through hole 22, the second sliding block 72 is connected to the second guide rail 71 in a sliding mode, the second clamp 73 is connected to the second sliding block 72, and the second clamp 73 is used for clamping a plastic pipe so that the axis of the clamped pipe coincides with the second through hole 22.
Firstly, two plastic pipes to be thermally welded are respectively fixed on the first clamp 63 and the second clamp 73, so that the axes of the two pipes are superposed, one end to be thermally welded extends into the thermal welding chamber 2 through the first through hole 21 and the second through hole 22 respectively by the movement of the first sliding block 62 and the second sliding block 72, a gap is reserved between the two pipes at the moment, the hydraulic cylinder 31 controls the connecting plate 32 to enter the thermal welding chamber 2 through the opening 23, the axis of the heating die head 33 on the connecting plate 32 is overlapped with the two plastic pipes, the first sliding block 62 and the second sliding block 72 move, the thermal welding end of the two plastic pipes is matched and connected with the heating die head 33 to realize the heating of the thermal welding end, after the heating is finished, the pipes leave the heating die head 33, the hydraulic cylinder 31 controls the connecting plate 32 to return, and then the sliding blocks are controlled to move to enable the hot-melting connecting ends of the two pipes to move oppositely to realize butt joint.
The device further comprises a driving device, the driving device comprises a motor, a speed reducer, a transmission gear 8, a first rack 621 and a second rack 721, the transmission gear 8 is in transmission connection with the motor through the speed reducer, the axial direction of the transmission gear 8 is perpendicular to the direction of the first guide rail 61, the first rack 621 is fixed on the first sliding block 62, the first rack 621 is parallel to the first guide rail 61, the second rack 721 is fixed on the second sliding block 72, the second rack 721 is parallel to the second guide rail 71, the first rack 621 is in meshing connection with the transmission gear 8, and the second rack 721 is in meshing connection with the transmission gear 8.
The first rack and the second rack are parallel to each other, the tooth surfaces of the first rack and the second rack are opposite, the first rack and the second rack are respectively meshed with the transmission gear, the first rack, the second rack and the transmission gear are in neutral symmetrical distribution by taking the transmission gear as a circle center, the transmission gear 8 is driven to rotate through the motor and the reducer, the transmission gear 8 is jointly meshed with the first rack 621 and the second rack 721, the rotation of the transmission gear 8 can simultaneously control the first sliding block 62 and the second sliding block 72 to synchronously exit or enter the hot welding chamber 2, the transmission structure is simple and stable, the sliding synchronism of the first sliding block and the second sliding block is good, the pipes can be guaranteed to smoothly complete multi-section displacement in the hot welding process, and the quality of the hot welding is guaranteed to be stable.
Example 4
An anti-oxidation heat welding device for plastic pipes comprises a base 1, an air charging device, a heat welding chamber 2 and a heating device 3, wherein the heat welding chamber 2 is arranged in the middle of the base 1, a first through hole 21 is formed in one side of the heat welding chamber 2, a second through hole 22 is formed in the other side of the heat welding chamber 2, the second through hole 22 coincides with the axis of the first through hole 21, a first air charging sealing ring 4 is arranged on the inner edge of the first through hole 21, a first air inlet valve 41 and a first air outlet valve 42 are arranged on the first air charging sealing ring 4, and the first air inlet valve 41 is connected to the air charging device through a connecting pipe 9; the interior edge of second through-hole 22 is equipped with second inflatable seal circle 5, second inflatable seal circle 5 is equipped with second admission valve 51 and second air outlet valve 52, second admission valve 51 passes through connecting pipe 9 and connects in aerating device, heat fusion chamber 2 middle part is equipped with opening 23, heating device includes pneumatic cylinder 31, connecting plate 32 and heated die 33, the axis of the first through-hole 21 of pneumatic cylinder 31 perpendicular to, heated die 33 is fixed in connecting plate 32, connecting plate 32 is fixed in the piston end of pneumatic cylinder 31, makes heated die 33 get into heat fusion chamber 2 or leave heat fusion chamber 2 under the drive of pneumatic cylinder 31. The opening 23 department is equipped with the shrouding 25, one side of shrouding 25 articulates in opening 23 through torsional spring 24, and when making connecting plate 32 get into opening 23 under the drive of pneumatic cylinder 31, connecting plate 32 pushes away shrouding 25, and when connecting plate 32 left heat-fusion chamber 2, shrouding 25 closed opening 23 under torsional spring 24's resilience effect, the one end of connecting plate near heat-fusion chamber is equipped with the chamfer.
In the structure of the anti-oxidation heat welding equipment for the plastic pipes, the inner edge of the first inflatable sealing ring 4 is provided with a smooth material layer, and the inner edge of the second inflatable sealing ring 5 is provided with a smooth material layer. Because the inner edge of the inflatable sealing ring is tightly attached to the outer wall of the pipe when the inflatable sealing ring is inflated and expanded, the friction force generated by axial movement of the pipe can be reduced by the smooth material layer.
The opening 23 is provided at an upper portion of the heat welding chamber 2. The edge of the opening 23 is provided with a sealing rubber strip, so that when the connecting plate 32 enters the thermal welding chamber 2, the edge of the connecting plate 32 is contacted with the inner edge of the sealing rubber strip. The pipe conveying device comprises a first clamping pipe conveying device 6 and a second clamping pipe conveying device 7, wherein the first clamping pipe conveying device 6 comprises a first guide rail 61, a first sliding block 62 and a first clamp 63, the first guide rail 61 is arranged on one side, close to the first through hole 21, of the base 1, the first guide rail 61 is parallel to the axis of the first through hole 21, the first sliding block 62 is connected to the first guide rail 61 in a sliding mode, the first clamp 63 is connected to the first sliding block 62, and the first clamp 63 is used for clamping a plastic pipe to enable the axis of the clamped pipe to be coincident with the first through hole 21; the second clamping pipe conveying device 7 comprises a second guide rail 71, a second sliding block 72 and a second clamp 73, the second guide rail 71 is arranged on one side of the base 1 close to the second through hole 22, the second guide rail 71 is parallel to the axis of the second through hole 22, the second sliding block 72 is connected to the second guide rail 71 in a sliding mode, the second clamp 73 is connected to the second sliding block 72, and the second clamp 73 is used for clamping a plastic pipe so that the axis of the clamped pipe coincides with the second through hole 22.
Firstly, two plastic pipes to be thermally welded are respectively fixed on the first clamp 63 and the second clamp 73, so that the axes of the two pipes are superposed, one end to be thermally welded extends into the thermal welding chamber 2 through the first through hole 21 and the second through hole 22 respectively by the movement of the first sliding block 62 and the second sliding block 72, a gap is reserved between the two pipes at the moment, the hydraulic cylinder 31 controls the connecting plate 32 to enter the thermal welding chamber 2 through the opening 23, the axis of the heating die head 33 on the connecting plate 32 is overlapped with the two plastic pipes, the first sliding block 62 and the second sliding block 72 move, the thermal welding end of the two plastic pipes is matched and connected with the heating die head 33 to realize the heating of the thermal welding end, after the heating is finished, the pipes leave the heating die head 33, the hydraulic cylinder 31 controls the connecting plate 32 to return, and then the sliding blocks are controlled to move to enable the hot-melting connecting ends of the two pipes to move oppositely to realize butt joint.
The device further comprises a driving device, the driving device comprises a motor, a speed reducer, a transmission gear 8, a first rack 621 and a second rack 721, the transmission gear 8 is in transmission connection with the motor through the speed reducer, the axial direction of the transmission gear 8 is perpendicular to the direction of the first guide rail 61, the first rack 621 is fixed on the first sliding block 62, the first rack 621 is parallel to the first guide rail 61, the second rack 721 is fixed on the second sliding block 72, the second rack 721 is parallel to the second guide rail 71, the first rack 621 is in meshing connection with the transmission gear 8, and the second rack 721 is in meshing connection with the transmission gear 8.
The first rack and the second rack are parallel to each other, the tooth surfaces of the first rack and the second rack are opposite, the first rack and the second rack are respectively meshed with the transmission gear, the first rack, the second rack and the transmission gear are in neutral symmetrical distribution by taking the transmission gear as a circle center, the transmission gear 8 is driven to rotate through the motor and the reducer, the transmission gear 8 is jointly meshed with the first rack 621 and the second rack 721, the rotation of the transmission gear 8 can simultaneously control the first sliding block 62 and the second sliding block 72 to synchronously exit or enter the hot welding chamber 2, the transmission structure is simple and stable, the sliding synchronism of the first sliding block and the second sliding block is good, the pipes can be guaranteed to smoothly complete multi-section displacement in the hot welding process, and the quality of the hot welding is guaranteed to be stable.
Still include nitrogen cylinder and connecting pipe 9, 9 one end of connecting pipe is connected in the nitrogen cylinder, and the other end is worn to locate in the inside of hot melt chamber 2. In the tubular product hot melt process, accessible nitrogen cylinder lets in nitrogen gas in continuing to heat fusion chamber 2, can set up the exhaust hole in heat fusion chamber 2, through gas exchange, reduces the oxygen content in heat fusion chamber 2 to contact with the outside air when further reducing tubular product hot melt.
The heat welding equipment further comprises a PLC (programmable logic controller), the heat welding of the pipes is automatically completed through the PLC, specifically, a motor for driving a transmission gear 8 is electrically connected with the PLC, a hydraulic cylinder 31, a heating die head 33, an air charging device, a first air inlet valve 41, a first air outlet valve 42, a second air inlet valve 51, a second air outlet valve 52 and a nitrogen bottle are respectively electrically connected with the PLC, when two plastic pipes to be subjected to heat welding are respectively fixed on a first clamp 63 and a second clamp 73, the PLC controls the motor to drive the gear to rotate, so that a first sliding block 62 and a second sliding block 72 are controlled to move towards the heat welding chamber 2, the heat welding end of a pipe is extended into the heat welding chamber 2, the PLC controls the air charging device to respectively charge air into a first air charging sealing ring 4 and a second air charging sealing ring 5 through the first air inlet valve 41 and the second air inlet valve 51, the PLC controls the nitrogen bottle to introduce nitrogen into the heat welding chamber 2, and then, the connecting plate 32 enters the thermal fusion chamber 2, the axis of the heating die head 33 is overlapped with the axis of the pipe, the PLC controls the transmission gear 8 to continue rotating, the thermal fusion end of the pipe extends into the heating die head 33 to complete pipe orifice thermal fusion, the PLC controls the transmission gear 8 to rotate, the pipe is controlled to be separated from the heating die head 33, the PLC controls the hydraulic cylinder 31 to drive the connecting block to move out of the thermal fusion chamber 2, and then the transmission gear 8 is controlled to rotate, so that the thermal fusion end of the pipe is butted, and the thermal fusion of the pipe is completed.
The front end of the first fixture close to the hot-melting chamber is provided with a tube head stopper 10, which is used for positioning the tube head close to the end of the hot-melting chamber and extending out of the length of the first fixture, so that the tube is fixed by the first fixture, the extending length of the tube is fixed, the second fixture is provided with a corresponding tube head stopper 10 in the same way, and the PLC can accurately control one end of the tube close to the hot-melting chamber to be accurately butted with a heating die head and butt-jointed with two tubes.
Specifically, the tube head stopper may be a claw 101 structure hinged to the first fixture near one side of the thermal welding chamber, referring to fig. 3, after the tube is placed on the first fixture, the tube head stopper is rotated to enable the claw head of the claw 101 to clamp the tube end for limiting, the tube is clamped by the first fixture again, the claw is returned, the positioning of the tube head is realized, and the second fixture is the same.
In summary, in the structure of the anti-oxidation thermal welding equipment for plastic pipes, by designing the thermal welding chamber, the thermal welding end of the pipe to be thermally welded completes the processes of thermal welding and butt joint in the thermal welding chamber, because the first through hole and the second through hole of the thermal welding chamber are both provided with the inflatable sealing rings, after the pipe extends into the thermal welding chamber through the first through hole or the second through hole, the inner edge of the inflatable sealing ring is tightly attached to the outer wall of the pipe by inflating the inflatable sealing ring, the gap between the outer wall of the pipe and the inflatable sealing ring is sealed, thereby forming a relatively closed space in the heat welding chamber, avoiding the contact with the outside air, reducing the oxidation caused by the contact of the heating end with the air, through the design of a specific gear rack matched transmission structure, the two sliding blocks can be synchronously controlled to move through one transmission gear, and the transmission is stable and efficient.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (8)
1. The anti-oxidation heat welding equipment for the plastic pipes is characterized by comprising a base, an inflating device, a heat welding cavity and a heating device, wherein the heat welding cavity is arranged in the middle of the base, a first through hole is formed in one side of the heat welding cavity, a second through hole is formed in the other side of the heat welding cavity, the second through hole is overlapped with the axis of the first through hole, a first inflating sealing ring is arranged on the inner edge of the first through hole, a first air inlet valve and a first air outlet valve are arranged on the first inflating sealing ring, and the first air inlet valve is connected to the inflating device through a connecting pipe; the interior edge of second through-hole is equipped with second inflatable seal circle, second inflatable seal circle is equipped with second admission valve and second air outlet valve, the second admission valve passes through the connecting pipe and connects in aerating device, heat-fusion chamber middle part is equipped with the opening, heating device includes pneumatic cylinder, connecting plate and heater head, the axis of the first through-hole of pneumatic cylinder perpendicular to, heater head is fixed in the connecting plate, the connecting plate is fixed in the piston end of pneumatic cylinder, makes heater head get into the heat-fusion chamber or leave the heat-fusion chamber under the drive of pneumatic cylinder, the one end that is close to the heat-fusion chamber of connecting plate is equipped with the chamfer.
2. The apparatus of claim 1, wherein the opening is provided with a sealing plate, one side of the sealing plate is hinged to the opening by a torsion spring, so that the sealing plate is pushed open by the connecting plate when the connecting plate enters the opening under the driving of the hydraulic cylinder, and the sealing plate closes the opening under the resilience of the torsion spring when the connecting plate leaves the thermal welding chamber.
3. The plastic pipe anti-oxidation heat welding apparatus of claim 1, wherein the opening is provided at an upper portion of the heat welding chamber.
4. The apparatus of claim 1, wherein the edge of the opening is provided with a sealing rubber strip, so that when the connecting plate enters the thermal welding chamber, the edge of the connecting plate contacts with the inner edge of the sealing rubber strip.
5. The plastic pipe anti-oxidation heat welding equipment according to claim 1, further comprising a first clamping pipe conveying device and a second clamping pipe conveying device, wherein the first clamping pipe conveying device comprises a first guide rail, a first sliding block and a first clamp, the first guide rail is arranged on one side, close to the first through hole, of the base, the first guide rail is parallel to the axis of the first through hole, the first sliding block is slidably connected to the first guide rail, the first clamp is connected to the first sliding block, and the first clamp is used for clamping the plastic pipe so that the axis of the clamped pipe coincides with the first through hole; the second clamping pipe conveying device comprises a second guide rail, a second sliding block and a second clamp, the second guide rail is arranged on one side, close to the second through hole, of the base, the second guide rail is parallel to the axis of the second through hole, the second sliding block is connected to the second guide rail in a sliding mode, the second clamp is connected to the second sliding block, and the second clamp is used for clamping a plastic pipe, so that the axis of the clamped pipe coincides with the second through hole.
6. The plastic pipe anti-oxidation heat welding equipment according to claim 5, further comprising a driving device, wherein the driving device comprises a motor, a speed reducer, a transmission gear, a first rack and a second rack, the transmission gear is in transmission connection with the motor through speed reduction, the axial direction of the transmission gear is perpendicular to the direction of the first guide rail, the first rack is fixed on the first sliding block, the first rack is parallel to the first guide rail, the second rack is fixed on the second sliding block, the second rack is parallel to the second guide rail, the first rack is in meshing connection with the transmission gear, and the second rack is in meshing connection with the transmission gear.
7. The plastic pipe anti-oxidation thermal welding device according to claim 1, further comprising a nitrogen gas cylinder and a connecting pipe, wherein one end of the connecting pipe is connected to the nitrogen gas cylinder, and the other end of the connecting pipe is inserted into the thermal welding chamber.
8. The plastic pipe anti-oxidation thermal welding device according to claim 1, wherein a smooth material layer is provided on an inner edge of the first air-filled sealing ring, and a smooth material layer is provided on an inner edge of the second air-filled sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701842.7U CN213108279U (en) | 2020-08-14 | 2020-08-14 | Anti-oxidation hot melting equipment for plastic pipes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701842.7U CN213108279U (en) | 2020-08-14 | 2020-08-14 | Anti-oxidation hot melting equipment for plastic pipes |
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| CN213108279U true CN213108279U (en) | 2021-05-04 |
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| CN202021701842.7U Active CN213108279U (en) | 2020-08-14 | 2020-08-14 | Anti-oxidation hot melting equipment for plastic pipes |
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