PPR pipe welding equipment and using method thereof

Abstract

The invention provides PPR pipe welding equipment and a using method thereof, and relates to the technical field of pipe fitting machining, the PPR pipe welding equipment comprises equipment bases, a butt joint base assembly and pipe fitting clamping assemblies, the upper ends of the two equipment bases and the butt joint base assembly are fixedly installed, and the two pipe fitting clamping assemblies are slidably arranged on the butt joint base assembly; a welding temperature setting meter is fixedly mounted at the upper end of the equipment base; according to the diameter of the pipe fitting to be butted, the working temperature of the welding heater is set through the welding temperature setting meter, and meanwhile, the supporting height of the bottommost part of the pipe fitting is also set in the pipe fitting clamping assembly, so that the pipe fitting can be aligned with the inner diameter pipe heating ring and the outer diameter pipe heating head, and the hot melting heating plate is turned down; and the welding support frame is erected in the support groove.

Description

Technical Field

[0001] The invention relates to the technical field of pipe fitting processing, in particular to a PPR pipe welding device and a use method thereof. Background Art

[0002] PP-R pipe, also known as type III polypropylene pipe and random copolymer polypropylene pipe or PPR pipe, has the advantages of energy saving and material saving, environmental protection, light weight and high strength, corrosion resistance, smooth inner wall without scaling, simple construction and maintenance, and long service life. It is widely used in building water supply and drainage, urban and rural water supply and drainage, urban gas, electricity and optical cable sheathing, industrial fluid transportation, agricultural irrigation and other construction, municipal, industrial and agricultural fields. When welding two pipe fittings, since the pipe fittings are sealed in the building structure for a long time, manual insertion during docking may cause gaps in the inner wall, and even cause the pipe fittings to be welded not straight. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a PPR pipe welding device and a method for using the same, which solve the problems raised in the background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a PPR pipe welding device, comprising a device base, a docking base assembly and a pipe clamping assembly, two upper ends of the device base are fixedly installed with the docking base assembly, two pipe clamping assemblies are slidably arranged on the docking base assembly, and a welding temperature setting table is fixedly installed on the upper end of the device base;

[0005] A welding support frame is fixedly installed on one side of the docking base assembly, and a supporting groove is opened on the upper end of the welding support frame.

[0006] Preferably, a welding flip bracket is fixedly installed on the other side of the docking base assembly, and a welding heater is rotatably installed on the welding flip bracket. A hot melt heating plate is arranged in the middle of the welding heater, an inner diameter tube heating ring is integrated on one side of the hot melt heating plate, and an outer diameter tube heating head is integrated on the other side of the hot melt heating plate, and a welding support frame is fixedly installed on the outer end of the welding heater.

[0007] Preferably, the docking base assembly comprises: a base body, a docking sliding limit plate, a docking sliding groove, a docking sliding limit rod, a docking drive housing, a driving rotating shaft, a driving rotating hand wheel, a first driving screw, a screw intermediate connecting shaft, and a connecting shaft gear;

[0008] A docking sliding groove is provided in the middle of the upper end of the base body, docking sliding limit plates are fixedly installed at both ends of the docking sliding groove, a docking sliding limit rod is provided between the two docking sliding limit plates, and a docking drive housing is integrally provided at the lower end of the base body;

[0009] The inner walls at both ends of the base body are rotatably provided with first drive screws with symmetrical threads, a screw intermediate connecting shaft is integrally provided between the two first drive screws, and a connecting shaft gear is integrally provided at one end of the screw intermediate connecting shaft.

[0010] Preferably, a connecting drive gear shaft is rotatably mounted on an inner wall of one side of the docking drive housing, a connecting drive tooth is coaxially fixedly mounted on the front end of the connecting drive gear shaft, and a first bevel tooth is integrally provided on the front end of the connecting drive tooth.

[0011] Preferably, a middle bearing gear shaft is rotatably mounted between the docking drive housings, a middle bearing gear is coaxially fixedly mounted in the middle of the middle bearing gear shaft, a driving gear shaft is rotatably mounted below the middle bearing gear shaft, and a hand wheel driving gear is coaxially fixedly mounted in the middle of the driving gear shaft;

[0012] A second bevel gear is coaxially fixedly mounted on the center bearing gear shaft, the second bevel gear is meshed and connected with the first bevel gear, and the center bearing gear is meshed and connected with the hand wheel driving gear.

[0013] Preferably, the pipe clamping assembly includes: a clamping sliding screw sleeve, a sliding screw hole, a sliding base, a supporting cylinder base, a supporting cylinder, a supporting pipe pad, a docking drive screw, a pipe clamping piece, a screw handle seat, a screw rotating handle, a clamping piece sliding screw seat, and a limit rod sliding hole;

[0014] The clamping sliding screw sleeve is provided with a sliding screw hole and a limiting rod sliding hole, the upper end of the clamping sliding screw sleeve is integrally provided with a sliding base, a supporting cylinder base is fixedly installed inside the upper end of the sliding base, a supporting cylinder is fixedly installed on the upper end of the supporting cylinder base, and a supporting pipe pad is fixedly installed on the output end of the supporting cylinder;

[0015] Both ends of the support cylinder base are rotatably installed with docking drive screws with mutually symmetrical threads, one end of one of the docking drive screws is fixedly installed with a screw handle seat, and the side of the screw handle seat is integrated with a screw rotating handle, and the two docking drive screws are both provided with a clamping piece sliding screw seat, and a pipe clamping piece is fixedly installed on the clamping piece sliding screw seat.

[0016] Preferably, the sliding screw hole is sleeved on the first driving screw, the limiting rod sliding hole is sleeved on the docking sliding limiting rod, and the supporting cylinder is electrically connected to the welding temperature setting table.

[0017] Preferably, the pipe clamping member comprises: a clamping member base, an adjusting shaft base, an adjusting shaft, an adjusting tooth column, a buckle flip seat, a fixed buckle, a clamping fixed angle iron, a clamping flip plate rotating shaft, a clamping flip plate, an adjusting rack, a clamping plate fixed shaft, and a pipe clamping plate;

[0018] An adjusting shaft base is fixedly mounted on one side surface of the clamping member base, an adjusting shaft is rotatably mounted in the middle of the adjusting shaft base, an adjusting tooth column is coaxially fixedly mounted on the adjusting shaft and located between the inner walls on both sides of the clamping member base, a buckle flip seat is fixedly mounted on the outer end of the adjusting shaft, and a fixed buckle is rotatably arranged on the buckle flip seat;

[0019] Two clamping and fixing angle irons are fixedly installed on the upper end of the clamping member base, a clamping and flipping plate rotating shaft is arranged between the two clamping and fixing angle irons, two clamping and flipping plates are rotatably installed on the clamping and flipping plate rotating shaft, a clamping plate fixing rotating shaft is rotatably arranged between the front ends of the two clamping and flipping plates, a pipe clamping plate is integrated on the side of the clamping plate fixing rotating shaft, and adjustment racks are integrated on the lower ends of the two clamping and flipping plates.

[0020] Preferably, the adjusting rack is meshed with the adjusting gear column.

[0021] A method for using a PPR pipe welding device, the specific steps are as follows:

[0022] S1: First, according to the diameter of the pipe to be processed, the working temperature of the welding heater is set through the welding temperature setting table, and the support height of the bottom of the pipe is also set in the pipe clamping assembly, so that the pipe can be aligned with the inner diameter pipe heating ring and the outer diameter pipe heating head, and the hot melt heating plate is turned down, and the welding support frame is placed in the support groove;

[0023] S2: After the set temperature is reached, the inner diameter tube and the outer diameter tube are clamped on the pipe clamping assembly respectively. First, the screw rotating handle is turned, and the two clamping sliding screw seats are first moved to the appropriate position by the coaxially arranged docking drive screw, and then the fixed buckle is flipped out, and then rotated, driving the adjustment shaft to rotate synchronously and driving the adjustment gear column to rotate, and engaging the two adjustment racks to move, so that the clamping flip plate can be flipped with the movement, and the pipe clamping plate is pressed on the pipe. After the pipe is fixed, the fixed buckle is flipped again to fix the whole;

[0024] S3: After fixing the pipe fitting, the rotating hand wheel is rotated to drive the rotating shaft to rotate, and the driving gear shaft is driven to rotate at the same time, and the hand wheel driving gear on it is meshed with the middle bearing gear at the upper end, so that the first bevel gear on one side of the middle bearing gear shaft can be synchronously meshed with the second bevel gear, and the connecting shaft gear at the upper end of the connecting driving gear is rotated, so that the middle connecting shaft can be rotated through the screw rod, and the first driving screw rods at both ends cooperate with the sliding screw rod holes to cooperate with the two pipe fitting clamping assemblies to slide toward each other;

[0025] S4: After sliding in opposite directions, the pipe ends of the two pipe fittings are pushed against the inner diameter pipe heating ring and the outer diameter pipe heating head to melt the outer surface of the inner diameter pipe and the inner surface of the outer diameter pipe, and then rotated in the opposite direction to withdraw, flip the welding support frame, butt-joint the two pipe fittings, and keep them warm for a period of time through the copper pipe at the lower end of the hot melt heating plate, so that the two pipe fittings can be coaxially butt-jointed and welded.

[0026] The present invention provides a PPR pipe welding device and a method for using the same. The device has the following beneficial effects:

[0027] (1) The present invention processes the diameter of the butted pipe according to the needs, sets the working temperature of the welding heater through the welding temperature setting table, and also sets the support height of the bottom of the pipe in the pipe clamping assembly, so that the pipe can be aligned with the inner diameter pipe heating ring and the outer diameter pipe heating head, and the hot melt heating plate is turned down, and the welding support frame is placed in the support groove;

[0028] (2) The present invention clamps the inner diameter tube and the outer diameter tube on the pipe clamping assembly respectively after the set temperature is reached, firstly rotates the screw rotating handle, and first moves the two clamping member sliding screw seats to the appropriate position by the coaxially arranged docking driving screw, then flips out the fixed buckle, and then rotates, driving the adjustment shaft to rotate synchronously and driving the adjustment gear column to rotate, and engages with the two adjustment racks to move, so that the clamping flip plate can be flipped with the movement, and the pipe clamping plate is pressed on the pipe. After the pipe is fixed, the fixed buckle is flipped again to fix the whole;

[0029] (3) After fixing the pipe fitting, the present invention can drive the rotating hand wheel to rotate, thereby driving the rotating shaft to rotate, and at the same time driving the driving gear shaft to rotate, and the hand wheel driving gear on it is meshed with the middle bearing gear at the upper end, so that the first bevel gear on one side of the middle bearing gear shaft can be synchronously rotated by the second bevel gear, and the connecting shaft gear at the upper end of the connecting driving gear is rotated, so that the middle connecting shaft can be rotated through the screw rod, and the first driving screw rods at both ends cooperate with the sliding screw rod holes to cooperate with the two pipe fitting clamping assemblies to slide toward each other;

[0030] (4) The present invention pushes the pipe openings of the two pipe fittings against the inner diameter pipe heating ring and the outer diameter pipe heating head after sliding in opposite directions, melts the outer surface of the inner diameter pipe and the inner surface of the outer diameter pipe, then rotates in the opposite direction to exit, flips the welding support frame, butts the two pipe fittings, and keeps them warm for a period of time through the copper pipe at the lower end of the hot melt heating plate, so that the two pipe fittings can be coaxially butt-welded. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 It is a structural schematic diagram of another viewing angle in the present invention;

[0033] Figure 3 It is a structural schematic diagram of the docking base assembly in the present invention;

[0034] Figure 4 It is a front view structural schematic diagram of the docking base assembly in the present invention;

[0035] Figure 5 For the present invention Figure 4 Schematic diagram of the cross-sectional structure along line aa;

[0036] Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure at A in the middle;

[0037] Figure 7 It is a structural schematic diagram of the pipe clamping assembly in the present invention;

[0038] Figure 8 A schematic structural diagram of the pipe clamping assembly of the present invention from another perspective;

[0039] Fig. 9 It is a structural schematic diagram of the pipe clamping member in the present invention;

[0040] Fig.10 It is a schematic structural diagram of the pipe clamping member in the present invention from another perspective.

[0041] Among them, 1. Equipment base; 2. Docking base assembly; 201. Base body; 202. Docking sliding limit plate; 203. Docking sliding groove; 204. Docking sliding limit rod; 205. Docking drive housing; 206. Drive rotating shaft; 207. Drive rotating hand wheel; 208. First drive screw; 209. Screw middle connecting shaft; 210. Connecting shaft gear; 211. Connecting drive gear shaft; 212. Connecting drive gear; 213. First bevel gear; 214. Middle bearing gear shaft; 215. Second bevel gear; 216. Middle bearing gear; 217. Drive gear shaft; 218. Handwheel drive gear; 3. Pipe clamping assembly; 301. Clamping sliding screw sleeve; 302. Sliding screw hole; 303. Sliding base; 304. Support cylinder base; 305. Support cylinder; 306. Support pipe pad; 307. Docking drive screw; 308, pipe clamp; 3081, clamp base; 3082, adjusting shaft base; 3083, adjusting shaft; 3084, adjusting tooth column; 3085, buckle flip seat; 3086, fixed buckle; 3087, clamping fixed angle iron; 3088, clamping flip plate rotating shaft; 3089, clamping flip plate; 30810, adjusting rack; 30811, clamping plate fixed Fixed shaft; 30812, pipe clamping plate; 309, screw handle seat; 310, screw rotating handle; 311, clamping sliding screw seat; 312, limit rod sliding hole; 4, welding temperature setting table; 5, welding support frame; 6, support groove; 7, welding flip bracket; 8, welding heater; 9, hot melt heating plate; 10, inner diameter pipe heating ring; 11, outer diameter pipe heating head; 12, welding support frame. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] like Figure 1 to Figure 2As shown, an embodiment of the present invention provides a PPR pipe welding device, including an equipment base 1, a docking base assembly 2 and a pipe clamping assembly 3, the two upper ends of the equipment base 1 are fixedly installed with the docking base assembly 2, the two pipe clamping assemblies 3 are slidably arranged on the docking base assembly 2, and a welding temperature setting table 4 is fixedly installed on the upper end of the equipment base 1; a welding support frame 5 is fixedly installed on one side of the docking base assembly 2, and a supporting groove 6 is opened on the upper end of the welding support frame 5, and a welding flip bracket 7 is fixedly installed on the other side of the docking base assembly 2, and a welding heater 8 is rotatably installed on the welding flip bracket 7, and a hot melt heating plate 9 is arranged in the middle of the welding heater 8, an inner diameter pipe heating ring 10 is integrated on one side of the hot melt heating plate 9, and an outer diameter pipe heating head 11 is integrated on the other side of the hot melt heating plate 9, and a welding support frame 12 is fixedly installed on the outer end of the welding heater 8.

[0044] In the above technical solution, according to the diameter of the pipe to be butt-jointed, the working temperature of the welding heater 8 is set through the welding temperature setting table 4, and the support height of the bottom of the pipe is also set in the pipe clamping assembly 3, so that the pipe can be aligned with the inner diameter pipe heating ring 10 and the outer diameter pipe heating head 11, and the hot melt heating plate 9 is turned down, and the welding support frame is placed in the support groove 6.

[0045] like Figure 1 , Figures 3 to 6As shown, the docking base assembly 2 includes: a base body 201, a docking sliding limit plate 202, a docking sliding groove 203, a docking sliding limit rod 204, a docking drive shell 205, a drive rotating shaft 206, a drive rotating hand wheel 207, a first drive screw 208, a screw intermediate connecting shaft 209, and a connecting shaft gear 210; a docking sliding groove 203 is opened in the middle of the upper end of the base body 201, and docking sliding limit plates 202 are fixedly installed at both ends of the docking sliding groove 203, a docking sliding limit rod 204 is arranged between the two docking sliding limit plates 202, and a docking drive shell 205 is integrally arranged at the lower end of the base body 201; first drive screws 208 with symmetrical threads are rotatably arranged on the inner walls at both ends of the base body 201, and a screw intermediate connecting shaft 209 is integrally arranged between the two first drive screws 208 A connecting shaft gear 210 is integrally provided at one end of the intermediate connecting shaft 209 of the screw rod, a connecting driving gear shaft 211 is rotatably installed on the inner wall of one side of the docking drive housing 205, a connecting driving gear shaft 212 is coaxially fixedly installed at the front end of the connecting driving gear shaft 211, and a first bevel gear 213 is integrally provided at the front end of the connecting driving gear shaft 212, a middle bearing gear shaft 214 is rotatably installed between the docking drive housings 205, a middle bearing gear 216 is coaxially fixedly installed in the middle of the middle bearing gear shaft 214, a driving gear shaft 217 is rotatably installed below the middle bearing gear shaft 214, and a hand wheel driving gear 218 is coaxially fixedly installed in the middle of the driving gear shaft 217; a second bevel gear 215 is coaxially fixedly installed on the middle bearing gear shaft 214, the second bevel gear 215 is meshingly connected with the first bevel gear 213, and the middle bearing gear 216 is meshingly connected with the hand wheel driving gear 218.

[0046] In the above technical solution, after the pipe is fixed, the rotating hand wheel 207 is rotated to drive the driving rotating shaft 206 to rotate, and at the same time, the driving gear shaft 217 is driven to rotate, and the hand wheel driving teeth 218 thereon engage the middle bearing gear 216 at the upper end, so that the second bevel teeth 215 can be synchronized through the middle bearing gear shaft 214 to engage the first bevel teeth 213 on one side to rotate, and the connecting drive teeth 212 can be engaged to rotate the connecting shaft gear 210 at the upper end, so that the middle connecting shaft 209 can be rotated through the screw rod, and the first driving screw rods 208 at both ends cooperate with the sliding screw rod holes 302 to cooperate with the two pipe clamping assemblies 3 to slide towards each other.

[0047] like Figure 1 , Figures 7 and 8As shown, the pipe clamping assembly 3 includes: a clamping sliding screw sleeve 301, a sliding screw hole 302, a sliding base 303, a supporting cylinder base 304, a supporting cylinder 305, a supporting pipe pad 306, a docking drive screw 307, a pipe clamping piece 308, a screw handle seat 309, a screw rotating handle 310, a clamping piece sliding screw seat 311, and a limiting rod sliding hole 312; the clamping sliding screw sleeve 301 is provided with a sliding screw hole 302 and a limiting rod sliding hole 312, the upper end of the clamping sliding screw sleeve 301 is integrally provided with a sliding base 303, the upper end of the sliding base 303 is fixedly installed with a supporting cylinder base 304, the upper end of the supporting cylinder base 304 is fixedly installed with a supporting cylinder 305, and the supporting A support pipe pad 306 is fixedly installed on the output end of the support cylinder 305; both ends of the support cylinder base 304 are rotatably installed with docking drive screws 307 with mutually symmetrical threads, one end of one of the docking drive screws 307 is fixedly installed with a screw turn seat 309, and the side of the screw turn seat 309 is integrated with a screw rotating handle 310, and the two docking drive screws 307 are both provided with a clamping piece sliding screw seat 311, and the clamping piece sliding screw seat 311 is fixedly installed with a pipe clamping piece 308, the sliding screw hole 302 is sleeved on the first drive screw 208, and the limit rod sliding hole 312 is sleeved on the docking sliding limit rod 204, and the support cylinder 305 is electrically connected to the welding temperature setting table 4.

[0048] like Figure 7 , Figures 9 and 10As shown, the pipe clamping member 308 includes: a clamping member base 3081, an adjusting shaft base 3082, an adjusting shaft 3083, an adjusting tooth column 3084, a buckle flip seat 3085, a fixed buckle 3086, a clamping fixed angle iron 3087, a clamping flip plate rotating shaft 3088, a clamping flip plate 3089, an adjusting rack 30810, a clamping plate fixed shaft 30811, and a pipe clamping plate 30812; an adjusting shaft base 3082 is fixedly installed on one side surface of the clamping member base 3081, an adjusting shaft 3083 is rotatably installed in the middle of the adjusting shaft base 3082, an adjusting tooth column 3084 is coaxially fixedly installed on the adjusting shaft 3083 and located between the inner walls on both sides of the clamping member base 3081, and the outer end of the adjusting shaft 3083 is fixedly installed A buckle flip seat 3085 is fixedly installed, and a fixed buckle 3086 is rotatably arranged on the buckle flip seat 3085; two clamping and fixing angle irons 3087 are fixedly installed on the upper end of the clamping base 3081, and a clamping flip plate rotating shaft 3088 is arranged between the two clamping and fixing angle irons 3087, and two clamping flip plates 3089 are rotatably installed on the clamping flip plate rotating shaft 3088, and a clamping plate fixed rotating shaft 30811 is rotatably arranged between the front ends of the two clamping flip plates 3089, and a pipe clamping plate 30812 is integrated on the side of the clamping plate fixed rotating shaft 30811, and an adjusting rack 30810 is integrated on the lower ends of the two clamping flip plates 3089, and the adjusting rack 30810 is meshed with the adjusting tooth column 3084.

[0049] In the above technical solution, after the set temperature is reached, the inner diameter tube and the outer diameter tube are respectively clamped on the pipe clamping assembly 3, and the screw rotating handle 310 is first turned. The two clamping sliding screw seats 311 are first moved to the appropriate position by the coaxially arranged docking driving screw 307, and then the fixed buckle 3086 is flipped out, and then rotated to drive the adjustment shaft 3083 to rotate and synchronously drive the adjustment gear column 3084 to rotate, and engage the two adjustment racks 30810 to move, so that the clamping flip plate 3089 can be flipped with it, and the pipe clamping plate 30812 is pressed on the pipe. After the pipe is fixed, the fixed buckle 3086 is flipped again to fix the whole.

[0050] A method for using a PPR pipe welding device, the specific steps are as follows:

[0051] S1: First, according to the diameter of the pipe to be butted, the working temperature of the welding heater 8 is set through the welding temperature setting table 4, and the support height of the bottom of the pipe is also set in the pipe clamping assembly 3, so that the pipe can be aligned with the inner diameter pipe heating ring 10 and the outer diameter pipe heating head 11, and the hot melt heating plate 9 is turned down, and the welding support frame is placed in the support groove 6;

[0052] S2: After the set temperature is reached, the inner diameter tube and the outer diameter tube are clamped on the pipe clamping assembly 3 respectively. First, the screw rotating handle 310 is turned, and the two clamping member sliding screw seats 311 are first moved to the appropriate position by the coaxially arranged docking driving screw 307, and then the fixed buckle 3086 is flipped out, and then rotated to drive the adjustment shaft 3083 to rotate synchronously and drive the adjustment tooth column 3084 to rotate, and engage the two adjustment racks 30810 to move, so that the clamping flip plate 3089 can be flipped with it, and the pipe clamping plate 30812 is pressed on the pipe. After the pipe is fixed, the fixed buckle 3086 is flipped again to fix the whole;

[0053] S3: After fixing the pipe fitting, the rotating hand wheel 207 is rotated to drive the driving rotating shaft 206 to rotate, and the driving gear shaft 217 is driven to rotate, and the hand wheel driving teeth 218 thereon are engaged with the middle bearing gear 216 at the upper end, so that the second bevel gear 215 can be synchronized to rotate with the first bevel gear 213 on one side through the middle bearing gear shaft 214, and the connecting drive teeth 212 are engaged with the connecting shaft gear 210 at the upper end to rotate, so that the middle connecting shaft 209 of the screw rod can be rotated, and the first driving screw rods 208 at both ends cooperate with the sliding screw rod holes 302 to cooperate with the two pipe fitting clamping assemblies 3 to slide toward each other;

[0054] S4: After sliding towards each other, the pipe ends of the two pipe fittings are pushed against the inner diameter pipe heating ring 10 and the outer diameter pipe heating head 11 to melt the outer surface of the inner diameter pipe and the inner surface of the outer diameter pipe, and then rotated in the opposite direction to exit, flip the welding support frame 12, dock the two pipe fittings, and keep them warm for a period of time through the copper pipe at the lower end of the hot melt heating plate 9, so that the two pipe fittings can be coaxially butt-welded.

[0055] Working principle:

[0056] First, according to the diameter of the pipe to be butted, the working temperature of the welding heater 8 is set through the welding temperature setting table 4, and the support height of the bottom of the pipe is also set in the pipe clamping assembly 3, so that the pipe can be aligned with the inner diameter pipe heating ring 10 and the outer diameter pipe heating head 11, and the hot melt heating plate 9 is turned down, and the welding support frame is placed in the support groove 6;

[0057] After the set temperature is reached, the inner diameter tube and the outer diameter tube are clamped on the pipe clamping assembly 3 respectively, firstly, the screw rotating handle 310 is turned, and the two clamping member sliding screw seats 311 are first moved to the appropriate position by the coaxially arranged docking driving screw 307, and then the fixed buckle 3086 is flipped out, and then rotated, driving the adjustment shaft 3083 to rotate synchronously and driving the adjustment tooth column 3084 to rotate, and engaging the two adjustment racks 30810 to move, so that the clamping flip plate 3089 can be flipped with it, and the pipe clamping plate 30812 is pressed on the pipe. After the pipe is fixed, the fixed buckle 3086 is flipped again to fix the whole;

[0058] After the pipe is fixed, the rotating hand wheel 207 is rotated to drive the driving rotating shaft 206 to rotate, and the driving gear shaft 217 is driven to rotate, and the hand wheel driving teeth 218 thereon engage the middle bearing gear 216 at the upper end, so that the second bevel gear 215 can be synchronized to rotate with the first bevel gear 213 on one side through the middle bearing gear shaft 214, and the connecting drive teeth 212 can be engaged with the connecting shaft gear 210 at the upper end to rotate, so that the middle connecting shaft 209 of the screw rod can be rotated, and the first driving screw rods 208 at both ends cooperate with the sliding screw rod holes 302 to cooperate with the two pipe clamping assemblies 3 to slide toward each other;

[0059] After sliding towards each other, the pipe mouths of the two pipe fittings are pushed against the inner diameter pipe heating ring 10 and the outer diameter pipe heating head 11 to melt the outer surface of the inner diameter pipe and the inner surface of the outer diameter pipe, and then rotated in the opposite direction to exit, flip the welding support frame 12, dock the two pipe fittings, and keep them warm for a period of time through the copper pipe at the lower end of the hot melt heating plate 9, so that the two pipe fittings can be coaxially butt-welded.

[0060] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. A PPR pipe welding device, comprising a device base (1), a docking base assembly (2) and a pipe clamping assembly (3), characterized in that: The upper ends of the two equipment bases (1) are fixedly mounted on the docking base assembly (2), the two pipe clamping assemblies (3) are slidably arranged on the docking base assembly (2), and a welding temperature setting table (4) is fixedly mounted on the upper end of the equipment base (1); A welding support frame (5) is fixedly mounted on one side of the docking base assembly (2), and a supporting groove (6) is provided at the upper end of the welding support frame (5).

2. A PPR pipe welding equipment according to claim 1, characterized in that: A welding flip bracket (7) is fixedly mounted on the other side of the docking base assembly (2); a welding heater (8) is rotatably mounted on the welding flip bracket (7); a hot melt heating plate (9) is arranged in the middle of the welding heater (8); an inner diameter tube heating ring (10) is integrally arranged on one side of the hot melt heating plate (9); an outer diameter tube heating head (11) is integrally arranged on the other side of the hot melt heating plate (9); and a welding support frame (12) is fixedly mounted on the outer end of the welding heater (8).

3. A PPR pipe welding equipment according to claim 2, characterized in that: The docking base assembly (2) comprises: a base body (201), a docking sliding limit plate (202), a docking sliding groove (203), a docking sliding limit rod (204), a docking drive housing (205), a driving rotating shaft (206), a driving rotating hand wheel (207), a first driving screw (208), a screw intermediate connecting shaft (209), and a connecting shaft gear (210); A docking sliding groove (203) is provided in the middle of the upper end of the base body (201), docking sliding limit plates (202) are fixedly installed at both ends of the docking sliding groove (203), a docking sliding limit rod (204) is provided between the two docking sliding limit plates (202), and a docking drive housing (205) is integrally provided at the lower end of the base body (201); A first driving screw (208) with symmetrical threads is rotatably provided on the inner walls at both ends of the base body (201), a screw intermediate connecting shaft (209) is integrally provided between the two first driving screws (208), and a connecting shaft gear (210) is integrally provided at one end of the screw intermediate connecting shaft (209).

4. A PPR pipe welding equipment according to claim 3, characterized in that: A connecting drive gear shaft (211) is rotatably mounted on the inner wall of one side of the docking drive housing (205), a connecting drive tooth (212) is coaxially fixedly mounted on the front end of the connecting drive gear shaft (211), and a first bevel tooth (213) is integrally provided at the front end of the connecting drive tooth (212).

5. A PPR pipe welding equipment according to claim 4, characterized in that: A center bearing gear shaft (214) is rotatably mounted between the docking drive housings (205), a center bearing gear (216) is coaxially fixedly mounted in the middle of the center bearing gear shaft (214), a driving gear shaft (217) is rotatably mounted below the center bearing gear shaft (214), and a hand wheel driving gear (218) is coaxially fixedly mounted in the middle of the driving gear shaft (217); A second bevel gear (215) is coaxially fixedly mounted on the center bearing gear shaft (214); the second bevel gear (215) is meshingly connected with the first bevel gear (213); and the center bearing gear (216) is meshingly connected with the hand wheel driving gear (218).

6. A PPR pipe welding equipment according to claim 5, characterized in that: The pipe clamping assembly (3) comprises: a clamping sliding screw sleeve (301), a sliding screw hole (302), a sliding base (303), a supporting cylinder base (304), a supporting cylinder (305), a supporting pipe pad (306), a docking driving screw (307), a pipe clamping member (308), a screw handle seat (309), a screw rotating handle (310), a clamping member sliding screw seat (311), and a limit rod sliding hole (312); The clamping sliding screw sleeve (301) is provided with a sliding screw hole (302) and a limiting rod sliding hole (312); the upper end of the clamping sliding screw sleeve (301) is integrally provided with a sliding base (303); a supporting cylinder base (304) is fixedly installed inside the upper end of the sliding base (303); a supporting cylinder (305) is fixedly installed on the upper end of the supporting cylinder base (304); and a supporting pipe pad (306) is fixedly installed on the output end of the supporting cylinder (305); Both ends of the support cylinder base (304) are rotatably mounted with docking drive screws (307) with mutually symmetrical threads, one end of one of the docking drive screws (307) is fixedly mounted with a screw handle seat (309), and a screw rotating handle (310) is integrally arranged on the side of the screw handle seat (309), and a clamping piece sliding screw seat (311) is sleeved on the two docking drive screws (307), and a pipe clamping piece (308) is fixedly mounted on the clamping piece sliding screw seat (311).

7. A PPR pipe welding equipment according to claim 6, characterized in that: The sliding screw hole (302) is sleeved on the first driving screw (208), the limiting rod sliding hole (312) is sleeved on the docking sliding limiting rod (204), and the supporting cylinder (305) is electrically connected to the welding temperature setting table (4).

8. A PPR pipe welding equipment according to claim 7, characterized in that: The pipe clamping member (308) comprises: a clamping member base (3081), an adjusting shaft base (3082), an adjusting shaft (3083), an adjusting tooth column (3084), a buckle flip seat (3085), a fixed buckle (3086), a clamping fixed angle iron (3087), a clamping flip plate rotating shaft (3088), a clamping flip plate (3089), an adjusting rack (30810), a clamping plate fixed shaft (30811), and a pipe clamping plate (30812); An adjusting shaft base (3082) is fixedly mounted on one side surface of the clamping member base (3081), an adjusting shaft (3083) is rotatably mounted in the middle of the adjusting shaft base (3082), an adjusting tooth column (3084) is coaxially fixedly mounted on the adjusting shaft (3083) and located between the inner walls on both sides of the clamping member base (3081), a buckle flip seat (3085) is fixedly mounted on the outer end of the adjusting shaft (3083), and a fixed buckle (3086) is rotatably mounted on the buckle flip seat (3085); Two clamping and fixing angle irons (3087) are fixedly installed on the upper end of the clamping member base (3081), a clamping and flipping plate rotating shaft (3088) is arranged between the two clamping and fixing angle irons (3087), two clamping and flipping plates (3089) are rotatably installed on the clamping and flipping plate rotating shaft (3088), a clamping plate fixing rotating shaft (30811) is rotatably arranged between the front ends of the two clamping and flipping plates (3089), a pipe clamping plate (30812) is integrally arranged on the side of the clamping plate fixing rotating shaft (30811), and an adjusting rack (30810) is integrally arranged at the lower ends of the two clamping and flipping plates (3089).

9. A PPR pipe welding device according to claim 8, characterized in that: The adjusting rack (30810) is meshed with the adjusting tooth column (3084).

10. A method for using a PPR pipe welding device, characterized in that: The specific steps are as follows: S1: First, according to the diameter of the pipe to be butt-jointed, the working temperature of the welding heater (8) is set through the welding temperature setting table (4), and the support height of the bottom of the pipe is also set in the pipe clamping assembly (3), so that the pipe can be aligned with the inner diameter pipe heating ring (10) and the outer diameter pipe heating head (11), and the hot melt heating plate (9) is turned down, and the welding support frame is placed in the support groove (6); S2: After the set temperature is reached, the inner diameter tube and the outer diameter tube are clamped on the pipe clamping assembly (3) respectively. First, the screw rotating handle (310) is turned, and the two clamping member sliding screw seats (311) are first moved to the appropriate positions by the coaxially arranged docking driving screw (307), and then the fixed buckle (3086) is flipped out, and then rotated to drive the adjustment shaft (3083) to rotate synchronously and drive the adjustment tooth column (3084) to rotate, and engage the two adjustment racks (30810) to move, so that the clamping flip plate (3089) can be flipped with it, and the pipe clamping plate (30812) is pressed on the pipe. After the pipe is fixed, the fixed buckle (3086) is flipped again to fix the whole. S3: After the pipe is fixed, the rotating hand wheel (207) is rotated to drive the rotating shaft (206) to rotate, and the driving gear shaft (217) is driven to rotate, and the hand wheel driving teeth (218) thereon engage the middle bearing gear (216) at the upper end, so that the second bevel teeth (215) can be synchronously engaged with the first bevel teeth (213) on one side through the middle bearing gear shaft (214) to rotate, and the connecting drive teeth (212) can be engaged with the connecting shaft gear (210) at the upper end to rotate, so that the middle connecting shaft (209) of the screw rod can be rotated, and the first driving screw rods (208) at both ends cooperate with the sliding screw rod holes (302) to cooperate with the two pipe clamping assemblies (3) to slide towards each other; S4: After sliding in opposite directions, the pipe ends of the two pipe fittings are pushed against the inner diameter pipe heating ring (10) and the outer diameter pipe heating head (11) to melt the outer surface of the inner diameter pipe and the inner surface of the outer diameter pipe, and then rotated in the opposite direction to exit, flip the welding support frame (12), butt-join the two pipe fittings, and keep them warm for a period of time through the copper pipe at the lower end of the hot melt heating plate (9), so that the two pipe fittings can be coaxially butt-jointed and welded.

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