CN117340531B - Welding fixture for manufacturing precise plastic hot runner mold - Google Patents
Welding fixture for manufacturing precise plastic hot runner mold Download PDFInfo
- Publication number
- CN117340531B CN117340531B CN202311662162.7A CN202311662162A CN117340531B CN 117340531 B CN117340531 B CN 117340531B CN 202311662162 A CN202311662162 A CN 202311662162A CN 117340531 B CN117340531 B CN 117340531B
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- Prior art keywords
- hot runner
- movable
- runner mold
- side wall
- wall
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- 238000003466 welding Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims description 62
- 239000007924 injection Substances 0.000 claims description 62
- 239000003921 oil Substances 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 28
- 239000010687 lubricating oil Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of fixtures, in particular to a welding fixture for manufacturing a precise plastic hot runner mold, which comprises the following components: the supporting bench, symmetrical fixed mounting has the slide rail on the roof of supporting bench, the top symmetry slidable mounting of slide rail has two backup pads, the top fixed mounting of backup pad has the support frame, rotate on the lateral wall of support frame and install the centre gripping platform. The invention can conveniently splice the parts of the hot runner mold needing to be welded, has simple operation, can lighten the labor burden of workers, is convenient for welding the hot runner mold, can improve the welding efficiency, can lubricate the first thread strip and the first threaded hole, is favorable for sliding of the supporting plate, can reduce the abrasion between the first thread strip and the first threaded hole, can prolong the service lives of the first rotating shaft and the first movable ring, can expose different positions of the hot runner mold above the supporting table, and is convenient for welding the different positions of the hot runner mold.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to a welding clamp for manufacturing a precise plastic hot runner mold.
Background
The hot runner is to ensure that the plastic of the runner and the gate keeps a molten state by a heating method, because a heating rod and a heating ring are arranged near or in the center of the runner, the whole runner from the nozzle outlet of the injection molding machine to the gate is in a high-temperature state, so that the plastic in the runner keeps molten, the runner is generally not required to be opened to take out the solidified material after the injection molding machine is stopped, and the runner is only required to be heated to a required temperature when the injection molding machine is started again, therefore, the hot runner process is sometimes called a hot manifold system or a non-runner molding, and the hot runner mold is a mold which utilizes a heating device to ensure that the melt in the runner is not solidified all the time, because the molding period is shorter than that of the traditional mold, and the raw materials are saved;
the fixture is a device for fixing a processing object in a mechanical manufacturing process so as to occupy a correct position to accept construction or detection, is also called a fixture, is used for rapidly, conveniently and safely installing a workpiece in any working procedure in a technological process in a broad sense, and can be called a fixture.
After the hot runner mold is fixed through the clamp in the prior art, two parts of the hot runner mold cannot be conveniently spliced and fixed rapidly and simply, a certain time and experience of workers are needed to be consumed, the welding efficiency is affected, the position of the hot runner mold fixed in the welding process is difficult to adjust, and the welding efficiency is further affected.
Therefore, a welding fixture for manufacturing a precise plastic hot runner mold is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a welding fixture for manufacturing a precise plastic hot runner mold.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a welding fixture for precision plastic hot runner mold fabrication, comprising: the support table is characterized in that sliding rails are symmetrically and fixedly arranged on the top wall of the support table, two support plates are symmetrically and slidably arranged on the top ends of the sliding rails, a support frame is fixedly arranged on the top ends of the support plates, a clamping table is rotatably arranged on the side wall of the support frame, and a driving assembly is arranged on the side wall of the support table;
the driving assembly comprises a first movable open groove formed in the side wall of the supporting table, a first rotating shaft is rotatably arranged in the first movable open groove, two first threaded strips are symmetrically and fixedly arranged on the side walls at two ends of the first rotating shaft, first movable rings are symmetrically sleeved on the outer walls at two ends of the first rotating shaft, first threaded holes matched with the first threaded strips are formed in the center of the first movable rings, and the side wall at one end of the supporting plate extends into the first movable open groove and is fixedly connected with the side wall of the first movable rings;
the side wall of the supporting plate is also provided with an oil storage tank, and an injection assembly which is convenient for maintaining the driving assembly is arranged in the oil storage tank.
Preferably, a second motor is fixedly installed on the side wall of the supporting table, and the output end of the second motor extends into the first movable opening groove and is fixedly connected with the central shaft of the first rotary shaft.
Preferably, sliding grooves matched with the sliding rails are symmetrically formed in the bottom wall of the supporting plate.
Through above-mentioned scheme, after the second motor circular telegram, the second motor can drive first rotation axis and slide in first movable open slot, when first rotation axis clockwise, the backup pad can slide to the intermediate position on brace table top along the slide rail through the first screw hole cooperation first rotation axis outside first screw thread strip in first expansion ring center this moment, two backup pads all can remove to the center department of brace table this moment, can conveniently splice the hot runner mould needs welded position, easy operation can alleviate staff's work burden, conveniently weld the hot runner mould, can improve welding efficiency, and can in time maintain drive assembly through injection assembly, be favorable to drive assembly's normal operating.
Preferably, the injection assembly comprises an injection hole formed in the side wall of the bottom end of the oil storage tank, an electric telescopic rod is fixedly installed on the side wall of the injection hole, a piston is fixedly connected to the extension end of the electric telescopic rod, the outer wall of the piston is tightly attached to the inner wall of the injection hole, the top end of the oil storage tank is provided with an oil storage tank, lubricating oil is filled in the oil storage tank, and a transparent observation port is further formed in the side wall of the oil storage tank.
Preferably, a through hole communicated with the oil storage tank is formed in the top wall of one end of the injection hole, an injection tube is further formed in the side wall of the injection hole, and the injection tube extends to the first threaded hole.
Preferably, the through hole and the end of the injection tube are respectively provided with a corresponding pressure valve.
Through the scheme, in the use, the electric telescopic rod after the circular telegram can drive the piston and reciprocate in the injection hole, when electric telescopic rod shrink, electric telescopic rod can drive the piston and remove to electric telescopic rod department this moment, produce negative pressure in the injection hole this moment, thereby lubricating oil in the oil storage tank can extrude the pressure valve in the through-hole, lubricating oil can get into the injection hole along the through-hole this moment, when electric telescopic rod extends, electric telescopic rod can promote the piston and extrude lubricating oil in the injection hole this moment, lubricating oil in the injection hole can extrude the pressure valve of injection pipe department this moment, lubricating oil can flow to first screw hole along the injection pipe, at first expansion ring gliding in-process along first rotation axis, lubricating oil can adsorb on first screw thread strip, can lubricate first screw thread strip and first screw hole, be favorable to the slip of backup pad, can reduce wearing and tearing between first screw thread strip and the first screw hole, can improve first rotation axis and first expansion ring's life.
Preferably, the front end of the clamping table is provided with a second movable open slot, a second rotating shaft is rotatably installed in the second movable open slot, a first motor for driving the second rotating shaft to rotate is fixedly installed on the side wall of the clamping table, two second threaded strips are symmetrically and fixedly installed on the outer walls of the two ends of the second rotating shaft, second movable rings are sleeved on the outer walls of the two ends of the second rotating shaft, and a second threaded hole matched with the second threaded strips is formed in the center of each second movable ring.
Preferably, two symmetrical fixedly connected with two grip blocks on the lateral wall of second expansion ring, fixed mounting has the antislip strip on the inner wall of grip block, the inboard bottom fixed mounting of grip block has places the board, and places the board and be located the below of two grip blocks.
Preferably, the support frame is last still to be provided with the upset subassembly, the round hole of upset subassembly in support frame top center department is offered including seting up, fixed mounting has the connecting axle with round hole looks adaptation on the lateral wall of centre gripping platform, the one end fixedly connected with carousel of centre gripping platform is kept away from to the connecting axle, the movable groove has been seted up on the inner wall of support frame, the bottom fixed mounting in movable groove has the electro-magnet, slidable mounting has the spacer pin with the electro-magnet looks adaptation above the electro-magnet, be provided with the spring between the diapire of spacer pin and the roof of electro-magnet, evenly seted up the spacing groove with the spacer pin looks adaptation on the outer wall of connecting axle.
Through the scheme, the first motor can drive the second rotation axis and rotate clockwise in the second movable open slot, the second movable ring can slide along the second rotation axis in opposite directions through the second threaded hole at this moment, two clamping plates can clamp and fix the hot runner mold at this moment, and the antiskid strip can prevent that the hot runner mold from sliding at the clamping plates, stability of the hot runner mold can be improved, in the welding process, after the electromagnet is electrified, the electromagnet can adsorb the spacer pin and slide out from the spacing groove, can make the spacer pin shrink into the movable groove, the staff rotates the carousel at this moment and can make the clamping table rotate on the support frame, can expose the top at the brace table with the different positions of hot runner mold, the convenience welds the different positions of hot runner mold, and adjust the back, power-off to the electromagnet, the spring can promote the spacer pin to embed in the spacing groove on the connecting axle outer wall, can prevent that the connecting axle from rotating, stability of support clamping table can ensure the welding effect.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up damper, after the second motor circular telegram, the second motor can drive first rotation axis and slide in first movable open slot, when first rotation axis clockwise, the backup pad can slide to the intermediate position on brace table top along the slide rail through the first screw hole in first expansion ring center department first screw hole cooperation first rotation axis outside this moment, two backup pads all can remove to brace table's center department this moment, can conveniently splice the hot runner mould needs welded position, easy operation can alleviate staff's work burden, conveniently weld the hot runner mould, can improve welding efficiency, and can in time maintain drive assembly through injection assembly, be favorable to drive assembly's normal operating.
2. Through setting up injection subassembly, the electric telescopic handle after the circular telegram can drive the piston and reciprocate in the injection hole, when electric telescopic handle shrink, electric telescopic handle can drive the piston and remove to electric telescopic handle department this moment, produce negative pressure in the injection hole this moment, thereby lubricating oil in the oil storage tank can extrude the pressure valve in the through-hole, lubricating oil can get into the injection hole along the through-hole this moment, when electric telescopic handle stretches, electric telescopic handle can promote the piston and extrude lubricating oil in the injection hole this moment, lubricating oil in the injection hole can extrude the pressure valve of injection tube department this moment, lubricating oil can flow to first screw hole along the injection tube, at first expansion ring gliding in-process along first rotation axis, lubricating oil can adsorb on first screw thread strip, can lubricate first screw thread strip and first screw hole, be favorable to the slip of backup pad, can reduce the wearing and tearing between first screw thread strip and the first screw hole, can improve the life of first rotation axis and first expansion ring.
3. Through setting up the upset subassembly, first motor can drive the second rotation axis and rotate clockwise in the second movable open slot, the second expansion ring can slide in opposite directions along the second rotation axis this moment through the second screw hole, two grip blocks can carry out the centre gripping to hot runner mould fixedly this moment, and the antislip strip can prevent that hot runner mould from sliding in grip block department, can improve hot runner mould's stability, in welding process, after the circular telegram to the electro-magnet, the electro-magnet can adsorb the spacer pin and slide out from the spacing groove, can make the spacer pin shrink in the movable groove, the staff rotates the carousel and can make the grip block rotate on the support frame this moment, can reveal the top at the brace table with hot runner mould's different positions, the convenience welds hot runner mould's different positions, and adjust the back, in the spacing inslot to the electro-magnet outage, the spring can promote the spacer pin embedding connecting axle outer wall, can prevent that the connecting axle from rotating, can ensure the stability of grip block, can ensure the welding effect.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a welding fixture for manufacturing a precision plastic hot runner mold according to an embodiment of the present invention;
fig. 2 is a schematic view of a structure outside the first rotation axis in an embodiment of the present invention.
FIG. 3 is a side view of the whole welding fixture for manufacturing a precision plastic hot runner mold according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of the structure A-A of FIG. 3;
FIG. 5 is an enlarged view of C in FIG. 4;
FIG. 6 is a side view of a clamping table in an embodiment of the invention;
FIG. 7 is a schematic cross-sectional view of the structure B-B of FIG. 6;
FIG. 8 is an enlarged view of D of FIG. 7;
FIG. 9 is a schematic view illustrating an inner side of a clamping table according to an embodiment of the present invention;
fig. 10 is a schematic view of a structure outside the second rotation axis in the embodiment of the invention.
In the figure: 1. a support table; 2. an oil storage tank; 3. a first rotation shaft; 4. a first movable open slot; 5. a support plate; 6. a first motor; 7. a clamping table; 8. a support frame; 9. a turntable; 10. a slide rail; 11. a second motor; 12. a first thread; 13. a first movable ring; 14. a transparent observation port; 15. a chute; 16. a first threaded hole; 17. an oil storage tank; 18. a syringe; 19. a second movable open slot; 20. a through hole; 21. a pressure valve; 22. a piston; 23. an electric telescopic rod; 24. an injection hole; 25. an anti-slip strip; 26. a second rotation shaft; 27. a clamping plate; 28. placing a plate; 29. a connecting shaft; 30. a limit groove; 31. a round hole; 32. a movable groove; 33. a spring; 34. a limiting pin; 35. a second threaded hole; 36. a second movable ring; 37. a second thread; 38. an electromagnet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Examples: referring to fig. 1 to 10, a welding fixture for manufacturing a precision plastic hot runner mold includes: the support table 1, the top wall of the support table 1 is symmetrically and fixedly provided with a sliding rail 10, the top end of the sliding rail 10 is symmetrically and slidably provided with two support plates 5, the top end of each support plate 5 is fixedly provided with a support frame 8, the side wall of each support frame 8 is rotatably provided with a clamping table 7, and the side wall of the support table 1 is provided with a driving assembly;
the driving assembly comprises a first movable open slot 4 arranged on the side wall of the supporting table 1, a first rotating shaft 3 is rotatably arranged in the first movable open slot 4, two first threaded strips 12 are symmetrically and fixedly arranged on the side wall at two ends of the first rotating shaft 3, first movable rings 13 are symmetrically sleeved on the outer walls at two ends of the first rotating shaft 3, a first threaded hole 16 matched with the first threaded strips 12 is arranged at the center of the first movable rings 13, and the side wall at one end of the supporting plate 5 extends into the first movable open slot 4 and is fixedly connected with the side wall of the first movable rings 13;
the side wall of the supporting plate 5 is also provided with an oil storage tank 2, and an injection assembly which is convenient for maintaining the driving assembly is arranged in the oil storage tank 2.
The side wall of the supporting table 1 is fixedly provided with a second motor 11, and the output end of the second motor 11 extends into the first movable open slot 4 and is fixedly connected with the central shaft of the first rotating shaft 3.
The bottom wall of the supporting plate 5 is symmetrically provided with sliding grooves 15 matched with the sliding rails 10.
In this embodiment, after the second motor 11 is electrified, the second motor 11 can drive the first rotation axis 3 to slide in the first movable open slot 4, when the first rotation axis 3 rotates clockwise, the supporting plate 5 can slide along the slide rail 10 to the intermediate position of the top end of the supporting table 1 through the first threaded hole 16 at the center of the first movable ring 13 in cooperation with the first threaded strip 12 at the outer side of the first rotation axis 3, at this moment, the two supporting plates 5 can both move to the center of the supporting table 1, the parts needing to be welded of the hot runner mold can be spliced conveniently, the operation is simple, the labor burden of workers can be lightened, the hot runner mold can be welded conveniently, the welding efficiency can be improved, and the driving assembly can be maintained timely through the injection assembly, so that the normal operation of the driving assembly is facilitated.
As an embodiment of the present invention, referring to fig. 4 to 5, the injection assembly includes an injection hole 24 formed on a sidewall of a bottom end of the oil tank 2, an electric telescopic rod 23 is fixedly installed on the sidewall of the injection hole 24, an extension end of the electric telescopic rod 23 is fixedly connected with a piston 22, an outer wall of the piston 22 is closely attached to an inner wall of the injection hole 24, an oil storage tank 17 is formed at a top end of the oil tank 2, lubricating oil is filled in the oil storage tank 17, and a transparent observation port 14 is further provided on the sidewall of the oil tank 2.
A through hole 20 communicated with the oil storage tank 17 is formed in the top wall of one end of the injection hole 24, an injection tube 18 is further formed in the side wall of the injection hole 24, and the injection tube 18 extends to the first threaded hole 16.
The through hole 20 and the end of the syringe 18 are provided with respective pressure valves 21, respectively.
In this embodiment, the electric telescopic rod 23 after being electrified can drive the piston 22 to slide reciprocally in the injection hole 24, when the electric telescopic rod 23 contracts, the electric telescopic rod 23 can drive the piston 22 to move towards the electric telescopic rod 23 at this time, negative pressure is generated in the injection hole 24 at this time, therefore, lubricating oil in the oil storage tank 17 can squeeze the pressure valve 21 in the through hole 20, lubricating oil can enter the injection hole 24 along the through hole 20 at this time, when the electric telescopic rod 23 stretches, the electric telescopic rod 23 can push the piston 22 to squeeze the lubricating oil in the injection hole 24 at this time, lubricating oil in the injection hole 24 can squeeze the pressure valve 21 at the injection tube 18 at this time, lubricating oil can flow into the first threaded hole 16 along the injection tube 18, in the process that the first movable ring 13 slides along the first rotary shaft 3, lubricating oil can be adsorbed on the first threaded bar 12, lubricating the first threaded bar 12 and the first threaded hole 16 can be lubricated, sliding of the support plate 5 is facilitated, abrasion between the first threaded bar 12 and the first threaded hole 16 can be reduced, and the service life of the first movable ring 13 and the first rotary shaft 3 can be prolonged.
As an embodiment of the present invention, referring to fig. 7 to 10, a second movable open slot 19 is formed at the front end of the clamping table 7, a second rotating shaft 26 is rotatably mounted in the second movable open slot 19, a first motor 6 for driving the second rotating shaft 26 to rotate is fixedly mounted on the side wall of the clamping table 7, two second screw threads 37 are symmetrically and fixedly mounted on the outer walls of the two ends of the second rotating shaft 26, second movable rings 36 are respectively sleeved on the outer walls of the two ends of the second rotating shaft 26, and a second threaded hole 35 matched with the second screw threads 37 is formed at the center of the second movable rings 36.
Two clamping plates 27 are symmetrically and fixedly connected to the side walls of the two second movable rings 36, anti-slip strips 25 are fixedly installed on the inner walls of the clamping plates 27, a placing plate 28 is fixedly installed at the bottom end of the inner side of the clamping table 7, and the placing plate 28 is located below the two clamping plates 27.
The support frame 8 is further provided with a turnover assembly, the turnover assembly comprises a round hole 31 formed in the center of the top end of the support frame 8, a connecting shaft 29 matched with the round hole 31 is fixedly installed on the side wall of the clamping table 7, one end of the connecting shaft 29, far away from the clamping table 7, is fixedly connected with a rotary table 9, the inner wall of the support frame 8 is provided with a movable groove 32, the bottom end of the movable groove 32 is fixedly provided with an electromagnet 38, a limiting pin 34 matched with the electromagnet 38 is slidably installed above the electromagnet 38, a spring 33 is arranged between the bottom wall of the limiting pin 34 and the top wall of the electromagnet 38, and a limiting groove 30 matched with the limiting pin 34 is uniformly formed in the outer wall of the connecting shaft 29.
In this embodiment, when in use, the first motor 6 can drive the second rotation axis 26 to rotate clockwise in the second movable open slot 19, at this moment, the second movable ring 36 can slide along the second rotation axis 26 in opposite directions through the second threaded hole 35, at this moment, two grip blocks 27 can carry out the centre gripping to the hot runner mould and fix, and the antiskid strip 25 can prevent that the hot runner mould from sliding in grip block 27 department, can improve the stability of the hot runner mould, in the welding process, after the electro-magnet 38 is energized, electro-magnet 38 can adsorb spacing pin 34 and slide out from spacing groove 30, can make spacing pin 34 shrink into movable slot 32, at this moment, staff rotates carousel 9 can make grip block 7 rotate on support frame 8, can reveal the top at brace block 1 with the different positions of hot runner mould, the convenience welds the different positions of hot runner mould, and after the regulation is accomplished, cut off the electricity to electro-magnet 38, spring 33 can promote spacing pin 34 and imbed in spacing groove 30 on the connecting shaft 29 outer wall, can prevent that connecting shaft 29 from sliding, can guarantee the stability of the welding effect of the movable table 7.
Working principle: firstly, a hot runner mold to be welded is placed on a placing plate 28, then a first motor 6 is started, the first motor 6 can drive a second rotating shaft 26 to rotate clockwise in a second movable open slot 19, at the moment, a second movable ring 36 can slide along the second rotating shaft 26 in opposite directions through a second threaded hole 35, at the moment, two clamping plates 27 can clamp and fix the hot runner mold, a non-slip strip 25 can prevent the hot runner mold from sliding at the clamping plates 27, the stability of the hot runner mold can be improved, after the second motor 11 is powered on, the second motor 11 can drive a first rotating shaft 3 to slide in the first movable open slot 4, when the first rotating shaft 3 rotates clockwise, at the moment, a supporting plate 5 can slide to the middle position of the top end of a supporting table 1 clockwise through the first threaded hole 16 at the center of the first movable ring 13 matched with a first threaded strip 12 at the outer side of the first rotating shaft 3, at this time, the two support plates 5 can be moved to the center of the support table 1, the parts of the hot runner mold, which need to be welded, can be spliced conveniently, the operation is simple, the labor burden of workers can be reduced, the hot runner mold can be welded conveniently, the welding efficiency can be improved, and the driving assembly can be maintained timely through the injection assembly, which is beneficial to the normal operation of the driving assembly, in the welding process, after the electromagnet 38 is electrified, the electromagnet 38 can adsorb the limiting pin 34 to slide out of the limiting groove 30, the limiting pin 34 can be contracted into the movable groove 32, at this time, the rotating turntable 9 of the workers can enable the clamping table 7 to rotate on the support frame 8, different positions of the hot runner mold can be exposed above the support table 1, the welding of different positions of the hot runner mold is convenient, after the adjustment is completed, the electromagnet 38 is powered off, the spring 33 can push the limiting pin 34 to be embedded into the limiting groove 30 on the outer wall of the connecting shaft 29, the connecting shaft 29 can be prevented from rotating, the stability of the clamping table 7 can be guaranteed, the welding effect can be guaranteed, in the use process, the electrified electric telescopic rod 23 can drive the piston 22 to slide back and forth in the injection hole 24, when the electric telescopic rod 23 contracts, the electric telescopic rod 23 can drive the piston 22 to move towards the electric telescopic rod 23, negative pressure is generated in the injection hole 24 at the moment, lubricating oil in the oil storage groove 17 can squeeze the pressure valve 21 in the through hole 20, at the moment, the lubricating oil can enter the injection hole 24 along the through hole 20, when the electric telescopic rod 23 stretches, the electric telescopic rod 23 can push the piston 22 to squeeze the lubricating oil in the injection hole 24, at the moment, the lubricating oil can squeeze the pressure valve 21 at the injection hole 18, the lubricating oil can flow to the first threaded hole 16 along the injection pipe 18, in the sliding process of the first rotating shaft 3, the lubricating oil can be adsorbed on the first threaded hole 12, the first threaded hole 12 can be easily observed, the first threaded hole 16 can be easily worn out, the first threaded hole 2 can be conveniently observed, the first threaded hole 2 can be easily observed, the service life of the first threaded hole 2 can be prolonged, the first threaded hole 2 can be conveniently observed, the first threaded hole 2 can be conveniently is easily worn out, the first threaded hole 2 can be conveniently is conveniently and the threaded hole 2 can be conveniently has the first threaded hole 2 is a left, the threaded hole 2.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A welding fixture for precision plastic hot runner mold fabrication, comprising: the support table (1) is characterized in that sliding rails (10) are symmetrically and fixedly arranged on the top wall of the support table (1), two support plates (5) are symmetrically and slidably arranged at the top ends of the sliding rails (10), a support frame (8) is fixedly arranged at the top ends of the support plates (5), a clamping table (7) is rotatably arranged on the side wall of the support frame (8), and a driving assembly is arranged on the side wall of the support table (1);
the driving assembly comprises a first movable open slot (4) formed in the side wall of the supporting table (1), a first rotating shaft (3) is rotatably mounted in the first movable open slot (4), two first threaded strips (12) are symmetrically and fixedly mounted on the side walls of the two ends of the first rotating shaft (3), first movable rings (13) are symmetrically sleeved on the outer walls of the two ends of the first rotating shaft (3), first threaded holes (16) matched with the first threaded strips (12) are formed in the center of the first movable rings (13), and the side wall of one end of the supporting plate (5) extends into the first movable open slot (4) to be fixedly connected with the side walls of the first movable rings (13);
the oil storage device is characterized in that an oil storage tank (2) is further arranged on the side wall of the supporting plate (5), an injection assembly which is convenient for maintaining the driving assembly is arranged in the oil storage tank (2), the injection assembly comprises an injection hole (24) formed in the side wall of the bottom end of the oil storage tank (2), an electric telescopic rod (23) is fixedly arranged on the side wall of the injection hole (24), a piston (22) is fixedly connected with the extension end of the electric telescopic rod (23), the outer wall of the piston (22) is tightly attached to the inner wall of the injection hole (24), an oil storage tank (17) is formed in the top end of the oil storage tank (2), lubricating oil is filled in the oil storage tank (17), and a transparent observation opening (14) is further formed in the side wall of the oil storage tank (2);
the front end of the clamping table (7) is provided with a second movable open slot (19), a second rotating shaft (26) is rotatably installed in the second movable open slot (19), a first motor (6) for driving the second rotating shaft (26) to rotate is fixedly installed on the side wall of the clamping table (7), two second threaded strips (37) are symmetrically and fixedly installed on the outer walls of the two ends of the second rotating shaft (26), second movable rings (36) are sleeved on the outer walls of the two ends of the second rotating shaft (26), and a second threaded hole (35) matched with the second threaded strips (37) is formed in the center of the second movable rings (36);
two clamping plates (27) are symmetrically and fixedly connected to the side walls of the two second movable rings (36), anti-slip strips (25) are fixedly arranged on the inner walls of the clamping plates (27), a placing plate (28) is fixedly arranged at the bottom end of the inner side of the clamping table (7), and the placing plate (28) is positioned below the two clamping plates (27);
the automatic overturning device is characterized in that an overturning assembly is further arranged on the supporting frame (8), the overturning assembly comprises a round hole (31) formed in the center of the top end of the supporting frame (8), a connecting shaft (29) matched with the round hole (31) is fixedly arranged on the side wall of the clamping table (7), a turntable (9) is fixedly connected to one end, far away from the clamping table (7), of the connecting shaft (29), a movable groove (32) is formed in the inner wall of the supporting frame (8), an electromagnet (38) is fixedly arranged at the bottom end of the movable groove (32), a limiting pin (34) matched with the electromagnet (38) is slidably arranged above the electromagnet (38), a spring (33) is arranged between the bottom wall of the limiting pin (34) and the top wall of the electromagnet (38), and limiting grooves (30) matched with the limiting pin (34) are uniformly formed in the outer wall of the connecting shaft (29).
In the welding process, after the electromagnet (38) is electrified, the electromagnet (38) can adsorb the limiting pin (34) to slide out of the limiting groove (30), the limiting pin (34) can be contracted into the movable groove (32), at the moment, the clamping table (7) can be rotated on the supporting frame (8) by the rotating turntable (9) of a worker, different positions of the hot runner mold can be exposed above the supporting table (1), welding is conveniently carried out on the different positions of the hot runner mold, after adjustment is completed, the electromagnet (38) is powered off, the spring (33) can push the limiting pin (34) to be embedded into the limiting groove (30) on the outer wall of the connecting shaft (29), the connecting shaft (29) can be prevented from rotating, the stability of the clamping table (7) can be ensured, and the welding effect can be ensured.
2. The welding fixture for manufacturing a precision plastic hot runner mold according to claim 1, wherein: the side wall of the supporting table (1) is fixedly provided with a second motor (11), and the output end of the second motor (11) extends into the first movable open slot (4) and is fixedly connected with the central shaft of the first rotary shaft (3).
3. The welding fixture for manufacturing a precision plastic hot runner mold according to claim 2, wherein: the bottom wall of the supporting plate (5) is symmetrically provided with sliding grooves (15) matched with the sliding rails (10).
4. The welding fixture for manufacturing a precision plastic hot runner mold according to claim 1, wherein: a through hole (20) communicated with the oil storage tank (17) is formed in the top wall of one end of the injection hole (24), an injection tube (18) is further formed in the side wall of the injection hole (24), and the injection tube (18) extends to the first threaded hole (16).
5. The welding jig for manufacturing a precision plastic hot runner mold according to claim 4, wherein: the through holes (20) and the end parts of the injection tube (18) are respectively provided with corresponding pressure valves (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311662162.7A CN117340531B (en) | 2023-12-06 | 2023-12-06 | Welding fixture for manufacturing precise plastic hot runner mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311662162.7A CN117340531B (en) | 2023-12-06 | 2023-12-06 | Welding fixture for manufacturing precise plastic hot runner mold |
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| CN117340531B true CN117340531B (en) | 2024-04-02 |
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| CN214919953U (en) * | 2021-06-15 | 2021-11-30 | 深圳市鼎美达科技有限公司 | A processing tool for high-accuracy plastic mould |
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| CN117340531A (en) | 2024-01-05 |
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