Injection mold welding device

Abstract

The present invention relates to the field of mold welding technology, and in particular to an injection mold welding device, including a welding bin, both sides of the outer wall of the welding bin are provided with bin openings, and a driving motor 1 is fixedly arranged on the upper surface of the welding bin, a rotating shaft is arranged at the driving end of the driving motor 1, a turntable is fixedly arranged at the end of the rotating shaft, and the turntable is located in the welding bin, an annular groove is arranged on the inner wall of the welding bin, and the turntable is rotatably arranged in the annular groove, rollers are fixedly arranged on the upper and lower surfaces of the turntable, and the rollers and the inner wall of the annular groove are fitted, an installation opening is arranged on the outer wall of the turntable, and an installation frame is fixedly arranged in the installation opening, a structured light scanner is also fixedly arranged on the lower surface of the turntable, and a control screen is fixedly arranged on the outer wall of the welding bin. The present invention effectively realizes the automatic and rapid welding of injection molds, and the welding process is faster and the use effect is better.

Description

Technical Field

[0001] The present invention relates to the technical field of mold welding, and in particular to an injection mold welding device. Background Art

[0002] Injection molds are essential tools in the production of plastic products. Their precision and integrity are directly related to product quality and production efficiency. Over long-term use, molds may develop cracks, gaps, or other damage due to wear, collisions, or other reasons. If these damages are not repaired in a timely manner, they will seriously affect the mold's service life and product quality.

[0003] The traditional mold repair method mainly involves manually holding the welding wire and welding gun, and then gradually welding the welding wire to the surface of the injection mold. Not only is the efficiency very low, the smoke and dust generated during the welding process are very harmful to health. At the same time, when the welding path to be repaired is more complicated, it is difficult for workers to perform the repair operation. Therefore, there is an urgent need to design an injection mold welding device to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to solve the defects in the prior art and to propose an injection mold welding device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An injection mold welding device includes a welding bin, wherein both sides of the welding bin are provided with bin openings, and a drive motor 1 is fixedly provided on the upper surface of the welding bin, a driving end of the drive motor 1 is provided with a rotating shaft, a turntable is fixedly provided at the end of the rotating shaft, and the turntable is located in the welding bin, an annular groove is provided on the inner wall of the welding bin, and the turntable is rotatably provided in the annular groove, rollers are fixedly provided on the upper and lower surfaces of the turntable, and the rollers are in contact with the inner wall of the annular groove, an installation opening is provided on the outer wall of the turntable, and an installation frame is fixedly provided in the installation opening, a structured light scanner is also fixedly provided on the lower surface of the turntable, and a control screen is fixedly provided on the outer wall of the welding bin, and further includes:

[0007] A welding mechanism, which is arranged in the mounting frame and is used to perform a welding repair operation on the surface of the injection mold to be repaired;

[0008] A smoke exhaust mechanism is provided on the welding chamber and is used to exhaust smoke generated during the welding process;

[0009] A supporting mechanism, which is provided in the welding chamber and is used to adjust the position of the injection mold to be repaired in the welding chamber;

[0010] The locking mechanism is arranged on the outer wall of the welding chamber and is used to limit the position of the turntable.

[0011] As a further solution of the present invention: the welding mechanism includes a first electric slide rail fixedly arranged on the inner walls on both sides of the installation frame, a first slider is slidably arranged in the first electric slide rail, a second electric slide rail is fixedly arranged between adjacent first sliders, and a second slider is slidably arranged in the second electric slide rail, a mounting block is fixedly arranged on the lower surface of the second slider, and a welding assembly is arranged below the mounting block.

[0012] As a further solution of the present invention: the welding assembly includes a laser welding gun fixedly arranged under the mounting block, a fixing rod is also fixedly arranged on the lower surface of the mounting block, and a wire guide tube is arranged at the end of the fixing rod, the end of the wire guide tube is located on one side of the end of the laser welding gun, a welding wire roller is arranged on one side of the mounting block, and mounting shafts are fixedly arranged at both ends of the welding wire roller, a hook is fixedly arranged on the lower surface of the mounting block, and the mounting shaft is hung in the hook, the outer side of the welding wire roller is wrapped with welding wire, and the welding wire passes through the wire guide tube, and a feeding assembly is also fixedly arranged on the outer side of the wire guide tube for moving the welding wire in the wire guide tube.

[0013] As a further solution of the present invention: the feeding assembly includes a fixed box fixedly arranged on the outside of the wire guide tube, the outer wall of the fixed box is fixedly provided with a second drive motor, and the driving end of the second drive motor is provided with an output gear, a transmission gear is rotatably provided in the fixed box, and the output gear and the transmission gear are meshed with each other, the fixed box is also provided with a first gear ring meshed with the output gear and a second gear ring meshed with the transmission gear, the first gear ring and the second gear ring are both fixedly provided with a movable shaft, and the movable shaft is rotatably provided in the fixed box, the outer wall of the movable shaft is fixedly provided with a rotating wheel, the outer wall of the wire guide tube is provided with a through opening, and the rotating wheel is located in the through opening, and the outer wall of the rotating wheel is also provided with ridges distributed in a ring at equal distances.

[0014] As a further solution of the present invention: side rods are fixedly provided on the inner walls of both sides of the installation frame, and third sliders are slidably provided on the outer sides of the side rods, and limiting rods are fixedly provided between adjacent third sliders, and the limiting rods pass through the installation block.

[0015] As a further solution of the present invention: the smoke exhaust mechanism includes a disc fixedly arranged on the outer wall of the rotating shaft, a ring cylinder is fixedly arranged on the top inner wall of the welding bin, and the inner wall of the disc and the ring cylinder are in fit with each other, a smoke exhaust port is opened on the outer wall of the disc, and a square tube is fixedly arranged in the smoke exhaust port, the bottom end of the square tube is connected to the mounting frame, a fan is fixedly arranged on the upper surface of the welding bin, and the exhaust end of the fan is connected to the top of the welding bin through the exhaust pipe, and the exhaust end of the fan is provided with a smoke exhaust pipe.

[0016] As a further solution of the present invention: the supporting mechanism includes a transverse groove opened on the inner wall of the bottom of the welding bin, and placement grooves distributed at equal distances are arranged between adjacent transverse grooves. A lifting frame is movably arranged in the transverse groove, and a telescopic cylinder 1 is fixedly arranged on the outer wall of the lifting frame, and the telescopic end of the telescopic cylinder 1 is connected to the inner wall of the bottom of the welding bin, and support strips distributed at equal distances are fixedly arranged between adjacent lifting frames, and the support strips are located in the placement grooves, and a rubber pad is fixedly arranged on the upper surface of the support strip.

[0017] As a further solution of the present invention: the locking mechanism includes a fixing frame fixedly arranged on the outer wall of the welding bin, and the outer wall of the fixing frame is penetrated and fixedly provided with a telescopic cylinder 2, the telescopic end of the telescopic cylinder 2 is provided with an insert plate, and the insert plate passes through the welding bin, and slots are provided at both ends of the turntable, and the insert plates are inserted into the slots.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention provides an injection mold welding device, wherein the injection mold that needs welding repair can be placed in the welding bin through the bin opening, and the injection mold can be scanned by the structured light scanner under the turntable. After scanning, the image can be displayed on the display screen, and the welding repair path can be directly planned on the display screen. When the path planning is completed, the turntable can be driven to rotate by a driving motor, so that the installation frame is rotated to the top of the injection mold to be repaired, and the injection mold is lifted by the supporting mechanism. At this time, the injection mold can be welded and repaired by the welding mechanism in the installation frame, and the rotated turntable can be limited by the locking mechanism to avoid the influence of the turntable shaking during welding on the welding accuracy. The smoke generated during the welding process can also be directly discharged through the exhaust mechanism, which is very convenient to use. The welding device effectively realizes the automatic and rapid welding of the injection mold, the welding process is faster, and the use effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram from a first perspective of an injection mold welding device provided by an embodiment of the present invention;

[0021] Figure 2 A schematic structural diagram from a second perspective of an injection mold welding device provided by an embodiment of the present invention;

[0022] Figure 3 A schematic diagram of a half-section structure of an injection mold welding device provided by an embodiment of the present invention;

[0023] Figure 4 A schematic structural diagram of a disc in an injection mold welding device provided by an embodiment of the present invention;

[0024] Figure 5 A schematic structural diagram of a turntable in an injection mold welding device provided by an embodiment of the present invention;

[0025] Figure 6 A schematic structural diagram of an installation frame in an injection mold welding device provided by an embodiment of the present invention;

[0026] Figure 7 A schematic structural diagram of a welding assembly in an injection mold welding device provided by an embodiment of the present invention;

[0027] Figure 8 A schematic diagram of the internal structure of a fixing box in an injection mold welding device provided by an embodiment of the present invention;

[0028] Figure 9 A schematic structural diagram of a positioning mechanism in an injection mold welding device provided by an embodiment of the present invention;

[0029] Figure 10 A schematic structural diagram of a transverse groove and a placement groove in an injection mold welding device provided by an embodiment of the present invention;

[0030] Figure 11 A schematic structural diagram of a material supporting mechanism in an injection mold welding device provided by an embodiment of the present invention;

[0031] Figure 12 A third perspective structural schematic diagram of an injection mold welding device provided by an embodiment of the present invention.

[0032] In the figure: 101-welding chamber, 102-driving motor 1, 103-rotating shaft, 104-turntable, 105-ring groove, 106-roller, 107-chamber opening, 108-structured light scanner, 109-mounting frame, 110-control screen, 201-first electric slide rail, 202-first slider, 203-second electric slide rail, 204-second slider, 205-mounting block, 206-side rod, 207-third slider, 208-limiting rod, 209-laser welding gun, 210-wire roller, 211-mounting shaft, 212-hook, 213-wire guide tube, 214-fixing rod , 215-fixed box, 216-drive motor 2, 217-output gear, 218-transmission gear, 219-first gear ring, 220-second gear ring, 221-movable shaft, 222-rotor, 223-protrusion, 301-disc, 302-square tube, 303-ring tube, 304-fan, 305-smoke pipe, 306-exhaust pipe, 401-horizontal groove, 402-placement groove, 403-lifting frame, 404-telescopic cylinder 1, 405-support bar, 406-rubber pad, 501-slot, 502-fixed frame, 503-plug plate, 504-telescopic cylinder 2. DETAILED DESCRIPTION

[0033] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0034] like Figures 1-12 As shown, an injection mold welding device provided by an embodiment of the present invention includes a welding bin 101, and both sides of the outer wall of the welding bin 101 are provided with a bin opening 107, and the upper surface of the welding bin 101 is fixedly provided with a drive motor 102. The specific structure of the drive motor 102 is not limited. In this embodiment, preferably, the drive motor 102 adopts a stepper motor, and the driving end of the drive motor 102 is provided with a rotating shaft 103. The end of the rotating shaft 103 is fixedly provided with a turntable 104, and the turntable 104 is located in the welding bin 101. The inner wall of the welding bin 101 is provided with an annular groove 105, and the turntable 104 is rotatably provided in the annular groove 105. The upper and lower surfaces of the turntable 104 are fixedly provided with rollers 106, and the rollers 106 and the inner wall of the annular groove 105 are in contact with each other. It can assist the turntable 104 in rotating, making the rotation process of the turntable 104 smoother. The outer wall of the turntable 104 is provided with an installation opening, and a mounting frame 109 is fixedly arranged in the installation opening. The lower surface of the turntable 104 is also fixedly provided with a structured light scanner 108. The outer wall of the welding bin 101 is fixedly provided with a control screen 110. It also includes: a welding mechanism, which is arranged in the installation frame 109 and is used to perform welding repair operations on the surface of the injection mold to be repaired; a smoke exhaust mechanism, which is arranged on the welding bin 101 and is used to exhaust the smoke generated during the welding process; a material supporting mechanism, which is arranged in the welding bin 101 and is used to adjust the position of the injection mold to be repaired in the welding bin 101; a positioning mechanism, which is arranged on the outer wall of the welding bin 101 and is used to limit the position of the turntable 104.

[0035] The injection mold that needs welding repair can be placed in the welding bin 101 through the warehouse opening 107, and the injection mold can be scanned by the structured light scanner 108 under the turntable 104. After scanning, the image can be displayed on the display screen, and the welding repair path can be directly planned on the display screen. When the path planning is completed, the turntable 104 can be driven to rotate by the driving motor 102, so that the mounting frame 109 is rotated to the top of the injection mold to be repaired, and the injection mold is lifted by the supporting mechanism. At this time, the injection mold can be welded and repaired by the welding mechanism in the mounting frame 109, and the rotated turntable 104 can be limited by the locking mechanism to avoid the shaking of the turntable 104 during welding and affecting the welding accuracy. The smoke generated during welding can also be directly discharged through the exhaust mechanism, which is very convenient to use. The welding device effectively realizes the automatic and rapid welding of injection molds, the welding process is faster, and the use effect is better.

[0036] As an embodiment of the present invention, please refer to Figure 5 、 Figure 6 and Figure 7 The welding mechanism includes a first electric slide rail 201 fixedly arranged on the inner walls on both sides of the installation frame 109, a first slider 202 is slidably arranged in the first electric slide rail 201, a second electric slide rail 203 is fixedly arranged between adjacent first sliders 202, and a second slider 204 is slidably arranged in the second electric slide rail 203, a mounting block 205 is fixedly arranged on the lower surface of the second slider 204, and a welding assembly is arranged below the mounting block 205. By moving the first slider 202 in the first electric slide rail 201 and the second slider 204 in the second electric slide rail 203, the position of the welding assembly below the mounting block 205 can be flexibly adjusted in the horizontal direction, so that welding operations can be flexibly performed on different tracks to be welded, and the use effect is better.

[0037] As an embodiment of the present invention, please refer to Figure 7 The welding assembly includes a laser welding gun 209 fixedly arranged below the mounting block 205. A fixing rod 214 is also fixedly arranged on the lower surface of the mounting block 205, and a wire guide tube 213 is arranged at the end of the fixing rod 214. The end of the wire guide tube 213 is located on one side of the end of the laser welding gun 209. A welding wire roller 210 is provided on one side of the mounting block 205, and mounting shafts 211 are fixedly arranged at both ends of the welding wire roller 210. A hook 212 is fixedly arranged on the lower surface of the mounting block 205, and the mounting shaft 211 is hung in the hook 212, so that the welding wire roller 210 is easy to install and take out. The outer side of the welding wire roller 210 is wrapped with welding wire, and The welding wire passes through the wire guide tube 213, and a feeding assembly is fixedly provided on the outside of the wire guide tube 213 for moving the welding wire in the wire guide tube 213. The feeding assembly can drive the welding wire to move in the wire guide tube 213, so that the welding wire is moved out through the end of the wire guide tube 213. When the welding wire contacts the surface of the injection mold, the laser welding gun 209 can melt this part of the welding wire and adhere to the surface of the injection mold. The welding wire can be continuously guided out by the feeding assembly, and the laser welding gun 209 moves along the path to be welded together with the mounting block 205, so that continuous and rapid welding operations can be achieved along the path to be welded, and the use effect is better.

[0038] As an embodiment of the present invention, please refer to Figure 7 and Figure 8, the feeding assembly includes a fixed box 215 fixedly arranged on the outside of the wire guide tube 213, and a driving motor 216 is fixedly arranged on the outer wall of the fixed box 215. The specific structure of the driving motor 216 is not limited. In this embodiment, preferably, the driving motor 216 adopts a stepping motor, and the driving end of the driving motor 216 is provided with an output gear 217. A transmission gear 218 is rotatably provided in the fixed box 215, and the output gear 217 and the transmission gear 218 are meshed. The fixed box 215 is also provided with a first gear ring 219 meshed with the output gear 217 and a second gear ring 220 meshed with the transmission gear 218. A movable shaft 221 is fixedly provided in the first gear ring 219 and the second gear ring 220, and the movable shaft 221 is rotatably provided on the fixed box 215. In the fixed box 215, a rotating wheel 222 is fixedly provided on the outer wall of the movable shaft 221, a through opening is opened on the outer wall of the wire guide tube 213, and the rotating wheel 222 is located in the through opening. The outer wall of the rotating wheel 222 is also provided with ridges 223 distributed in an annular shape at equal distances. The output gear 217 can be driven to rotate by driving the second motor 216, and the output gear 217 drives the transmission gear 218 to rotate. Since the first gear ring 219 is engaged with the output gear 217 and the second gear ring 220 is engaged with the transmission gear 218, the first gear ring 219 and the second gear ring 220 can be driven to rotate synchronously under the rotation action of the output gear 217, so that the rotating wheel 222 can rotate synchronously, and the welding wire can be driven to move in the wire guide tube 213 through the ridges 223 on the outer side of the rotating wheel 222, and the use effect is better.

[0039] As an embodiment of the present invention, please refer to Figure 6 , side rods 206 are fixedly provided on the inner walls on both sides of the mounting frame 109, and a third slider 207 is slidingly provided on the outer side of the side rod 206, and a limit rod 208 is fixedly provided between adjacent third sliders 207, and the limit rod 208 passes through the mounting block 205. When the mounting block 205 moves, the limit rod 208 can be driven to move, and the limit rod 208 can drive the third slider 207 to move outside the side rod 206, which can make the movement process of the mounting block 205 more stable, thereby improving the welding accuracy and better use effect.

[0040] As an embodiment of the present invention, please refer to Figure 1 、 Figure 3 、 Figure 4 and Figure 12The smoke exhaust mechanism includes a disc 301 fixedly mounted on the outer wall of the rotating shaft 103, a ring cylinder 303 fixedly mounted on the inner wall of the top of the welding chamber 101, and the disc 301 and the inner wall of the ring cylinder 303 are in contact with each other, a smoke exhaust port is opened on the outer wall of the disc 301, and a square cylinder 302 is fixedly mounted in the smoke exhaust port, and the bottom end of the square cylinder 302 is connected to the mounting frame 109, a fan 304 is fixedly mounted on the upper surface of the welding chamber 101, and the exhaust end of the fan 304 is connected to the welding chamber 101 through the smoke exhaust pipe 305. 01, and a smoke exhaust pipe 306 is provided at the exhaust end of the fan 304. During the welding process, the smoke generated by the welding can be drawn into the space between the disc 301 and the ring tube 303 through the fan 304 through the installation frame 109 and the square tube 302, and then drawn out by the smoke extraction pipe 305 and discharged through the smoke exhaust pipe 306. The smoke exhaust pipe 306 can be connected to the smoke exhaust channel, so that the smoke is discharged to the outside along the smoke exhaust channel to avoid the smoke affecting the indoor air quality, and the use effect is better.

[0041] As an embodiment of the present invention, please refer to Figure 10 、 Figure 11 and Figure 12 The supporting mechanism includes a transverse groove 401 provided on the inner wall of the bottom of the welding bin 101, and placement grooves 402 distributed at equal distances are provided between adjacent transverse grooves 401. A lifting frame 403 is movably provided in the transverse groove 401, and a telescopic cylinder 404 is fixedly provided on the outer wall of the lifting frame 403. The telescopic end of the telescopic cylinder 404 is connected to the inner wall of the bottom of the welding bin 101, and supporting bars 405 distributed at equal distances are fixedly provided between adjacent lifting frames 403, and the supporting bars 405 are located in the placement groove 402. A rubber pad 406 is fixedly provided on the upper surface of the supporting bar 405. When the injection mold is placed in the welding bin 101, the lifting frame 403 can be driven upward by the telescopic cylinder 404, so that the supporting bar 405 is moved out of the placement groove 402, so that the injection mold can be lifted up, and the rubber pad 406 on the supporting bar 405 can increase the friction between the supporting bar 405 and the injection mold, so that the injection mold is more stable when being lifted up, and the use effect is better.

[0042] As an embodiment of the present invention, please refer to Figure 1 、 Figure 9 and Figure 12The positioning mechanism includes a fixing frame 502 fixedly arranged on the outer wall of the welding bin 101, and a telescopic cylinder 2 504 is fixedly arranged on the outer wall of the fixing frame 502, and a plug-in plate 503 is provided at the telescopic end of the telescopic cylinder 2 504, and the plug-in plate 503 passes through the welding bin 101. Slots 501 are provided at both ends of the turntable 104, and the plug-in plates 503 are inserted into the slots 501. The shape of the plug-in plates 503 is triangular, which makes it easier to insert the plug-in plates 503 into the slots 501. When the position of the turntable 104 needs to be limited, the plug-in plates 503 can be driven to move by the telescopic cylinder 2 504, so that the plug-in plates 503 are inserted into the slots 501 at both ends of the turntable 104, so that the position of the turntable 104 can be limited, thereby avoiding the turntable 104 from shaking during welding, and the use effect is better.

[0043] During use, the injection mold that needs welding repair can be placed in the welding bin 101 through the warehouse opening 107, and the injection mold can be scanned by the structured light scanner 108 under the turntable 104. After scanning, the image can be displayed on the display screen, and the welding repair path can be directly planned on the display screen. When the path planning is completed, the turntable 104 can be driven to rotate by the driving motor 102, so that the mounting frame 109 is rotated to the top of the injection mold to be repaired, and the injection mold is lifted by the supporting mechanism. At this time, the injection mold can be welded and repaired by the welding mechanism in the mounting frame 109, and the rotated turntable 104 can be limited by the locking mechanism to avoid the shaking of the turntable 104 during welding and affecting the welding accuracy. The smoke generated during welding can also be directly discharged through the exhaust mechanism, which is very convenient to use. The welding device effectively realizes the automatic and rapid welding of injection molds, the welding process is faster, and the use effect is better.

[0044] It should be noted that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An injection mold welding device, comprising a welding chamber, characterized in that: The outer walls on both sides of the welding bin are provided with bin openings, and a driving motor 1 is fixedly arranged on the upper surface of the welding bin, a rotating shaft is arranged at the driving end of the driving motor 1, a turntable is fixedly arranged at the end of the rotating shaft, and the turntable is located in the welding bin, an annular groove is arranged on the inner wall of the welding bin, and the turntable is rotatably arranged in the annular groove, rollers are fixedly arranged on the upper and lower surfaces of the turntable, and the rollers are fitted with the inner wall of the annular groove, an installation opening is arranged on the outer wall of the turntable, and an installation frame is fixedly arranged in the installation opening, a structured light scanner is also fixedly arranged on the lower surface of the turntable, a control screen is fixedly arranged on the outer wall of the welding bin, and further includes: A welding mechanism, which is arranged in the installation frame and is used to perform welding repair operations on the surface of the injection mold to be repaired; A smoke exhaust mechanism, which is arranged on the welding chamber and is used to exhaust smoke and dust generated during welding; A supporting mechanism, which is arranged in the welding chamber and is used to adjust the position of the injection mold to be repaired in the welding chamber; A positioning mechanism is arranged on the outer wall of the welding bin and is used to limit the position of the turntable.

2. The injection mold welding device according to claim 1, characterized in that: The welding mechanism includes a first electric slide rail fixedly arranged on the inner walls on both sides of the installation frame, a first slider is slidably arranged in the first electric slide rail, a second electric slide rail is fixedly arranged between adjacent first sliders, and a second slider is slidably arranged in the second electric slide rail, a mounting block is fixedly arranged on the lower surface of the second slider, and a welding assembly is arranged below the mounting block.

3. The injection mold welding device according to claim 2, characterized in that: The welding assembly includes a laser welding gun fixedly arranged below the mounting block, a fixing rod is also fixedly arranged on the lower surface of the mounting block, and a wire guide tube is arranged at the end of the fixing rod, and the end of the wire guide tube is located on one side of the end of the laser welding gun, a welding wire roller is arranged on one side of the mounting block, and mounting shafts are fixedly arranged at both ends of the welding wire roller, a hook is fixedly arranged on the lower surface of the mounting block, and the mounting shaft is hung in the hook, a welding wire is wound around the outer side of the welding wire roller, and the welding wire passes through the wire guide tube, and a feeding assembly is also fixedly arranged on the outer side of the wire guide tube for moving the welding wire in the wire guide tube.

4. The injection mold welding device according to claim 3, characterized in that: The feeding assembly includes a fixed box fixedly arranged on the outside of the wire guide tube, a driving motor 2 is fixedly arranged on the outer wall of the fixed box, and an output gear is arranged at the driving end of the driving motor 2, a transmission gear is rotatably arranged in the fixed box, and the output gear and the transmission gear are meshed with each other, a first gear ring meshed with the output gear and a second gear ring meshed with the transmission gear are also arranged in the fixed box, a movable shaft is fixedly arranged in the first gear ring and the second gear ring, and the movable shaft is rotatably arranged in the fixed box, a rotating wheel is fixedly arranged on the outer wall of the movable shaft, a through opening is opened on the outer wall of the wire guide tube, and the rotating wheel is located in the through opening, and the outer wall of the rotating wheel is also provided with convex thorns distributed in an annular shape at equal distances.

5. The injection mold welding device according to claim 4, characterized in that: Side bars are fixedly arranged on the inner walls of both sides of the installation frame, and third sliding blocks are slidably arranged on the outer sides of the side bars. Limiting bars are fixedly arranged between adjacent third sliding blocks, and the limiting bars penetrate the installation blocks.

6. The injection mold welding device according to claim 1, characterized in that: The smoke exhaust mechanism includes a disc fixedly arranged on the outer wall of the rotating shaft, a ring cylinder is fixedly arranged on the top inner wall of the welding bin, and the inner wall of the disc and the ring cylinder are in contact with each other, a smoke exhaust port is opened on the outer wall of the disc, and a square tube is fixedly arranged in the smoke exhaust port, and the bottom end of the square tube is connected to the mounting frame, a fan is fixedly arranged on the upper surface of the welding bin, and the exhaust end of the fan is connected to the top of the welding bin through a smoke exhaust pipe, and the exhaust end of the fan is provided with a smoke exhaust pipe.

7. The injection mold welding device according to claim 1, characterized in that: The supporting mechanism includes a transverse groove opened on the inner wall of the bottom of the welding bin, and placement grooves distributed at equal distances are arranged between adjacent transverse grooves. A lifting frame is movably arranged in the transverse groove, and a telescopic cylinder 1 is fixedly arranged on the outer wall of the lifting frame, and the telescopic end of the telescopic cylinder 1 is connected to the inner wall of the bottom of the welding bin, and supporting strips distributed at equal distances are fixedly arranged between adjacent lifting frames, and the supporting strips are located in the placement grooves, and a rubber pad is fixedly arranged on the upper surface of the supporting strips.

8. The injection mold welding device according to claim 1, characterized in that: The positioning mechanism includes a fixing frame fixedly arranged on the outer wall of the welding bin, and a telescopic cylinder 2 is fixedly arranged through the outer wall of the fixing frame, a plug plate is arranged at the telescopic end of the telescopic cylinder 2, and the plug plate passes through the welding bin, and slots are opened at both ends of the turntable, and the plug plates are inserted into the slots.

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