CN109967919B - Peeling die device for aluminum welding wire production - Google Patents
Peeling die device for aluminum welding wire production Download PDFInfo
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- CN109967919B CN109967919B CN201910410312.2A CN201910410312A CN109967919B CN 109967919 B CN109967919 B CN 109967919B CN 201910410312 A CN201910410312 A CN 201910410312A CN 109967919 B CN109967919 B CN 109967919B
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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Abstract
The invention discloses a peeling die device for producing an aluminum welding wire, which comprises a mounting seat, wherein a through groove is formed in the mounting seat, a rolling bearing is movably mounted in the through groove, an inner core is fixedly mounted in the rolling bearing, a die head is movably mounted in the inner part of the inner core close to one end of the inner core, a top core for tightly jacking the die head is screwed in the inner part of the inner core close to the other end of the inner core, and two limiting grooves are symmetrically formed in two ends of the through groove. The invention aims to provide a stripping die device for producing an aluminum welding wire, which is convenient to install, stable in performance, long in service life, good in stripping quality and convenient to adjust the direction of a knife edge, can replace a traditional technology that pickling equipment is used for removing oil stains on the surface of the aluminum welding wire, can overcome the defects that pickling pollutes the environment and is easy to corrode the skin of an operator, has a good environment-friendly effect, can save the production cost of the aluminum welding wire, and is worthy of popularization and promotion.
Description
The invention relates to the technical field of production and processing of stripping die devices, in particular to a stripping die device for producing aluminum welding wires.
Background
The welding wire is used as a filler metal or simultaneously as a metal wire welding material for electric conduction. In gas welding and gas tungsten arc welding, a welding wire is used as a filler metal; in submerged arc welding, electroslag welding and other gas metal arc welding, the wire is both a filler metal and a conductive electrode. The surface of the wire is not coated with a flux that resists oxidation.
The aluminum welding wire is one of welding wires, the aluminum welding wire is in the processing production process, one layer of greasy dirt can be produced on the surface of the aluminum welding wire, the greasy dirt on the surface of the aluminum welding wire needs to be removed before leaving a factory, the traditional technology is that pickling equipment is adopted to remove the greasy dirt on the surface of the aluminum welding wire, acid liquor needs to be frequently replaced, the production cost is higher, if the operation is improper, the production quality of the aluminum welding wire can be seriously influenced, in addition, the skin of an operator is easily corroded due to the residual acid liquor on the surface of the aluminum welding wire, in addition, the acid liquor after the use is improper to treat, and huge harm can be brought to the environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the stripping die device for producing the aluminum welding wire, which is convenient to install, stable in performance, long in service life, good in stripping quality and convenient to adjust the direction of a knife edge, can replace the traditional technology that the surface of the aluminum welding wire is degreased by using pickling equipment, can overcome the defects that the pickling pollutes the environment and the skin of an operator is easy to corrode, has better environmental protection effect, and can save the production cost of the aluminum welding wire.
In order to achieve the purpose, the invention provides the following technical scheme:
a peeling die device for aluminum welding wire production comprises a mounting seat, wherein a through groove is formed in the mounting seat, a rolling bearing is movably mounted in the through groove, an inner core is fixedly mounted in the rolling bearing, a die head is movably mounted in the inner core close to one end of the inner core, the other end of the inner core is screwed with a top core for tightly pushing the die head close to the other end of the inner core, two limiting grooves are symmetrically formed in two ends of the through groove, a first end cover and a second end cover which can transversely move along the limiting grooves are respectively mounted in the two limiting grooves, the first end cover is fixedly connected with one end of the rolling bearing through a screw, the side face of the first end cover close to one end of the rolling bearing is abutted to one end face of the die head, and the second end cover is fixedly connected with the other end of the rolling bearing through a screw, and a through hole for the top core to pass through is arranged in the second end cover in the middle, a welding wire inlet is arranged in the first end cover in the middle, a knife edge is arranged in the die head in the middle, a welding wire channel is arranged in the top core in the middle, and the center point of the welding wire inlet, the center point of the knife edge and the center point of the welding wire channel are positioned on the same straight line.
By adopting the technical scheme, the welding wire inlet is used for introducing the aluminum welding wire into the knife edge, the welding wire channel is used for leading the aluminum welding wire passing through the knife edge out, the first end cover and the second end cover are loosened by unscrewing the screws, so that the position of the rolling bearing in the through groove is convenient to adjust, the knife edge is corrected, the uniform contact between the surface of the aluminum welding wire and the inner surface of the knife edge can be effectively ensured, the peeling quality is improved, the surface of the aluminum welding wire cannot deform due to uneven stress, meanwhile, when the first end cover and the second end cover are loosened by unscrewing the screws, the die head is convenient to rotate by the inner core, the direction of the knife edge is adjusted, the two limit grooves can ensure that the first end cover and the second end cover stably move when the positions are adjusted, the device can replace the prior art that the surface of the aluminum welding wire is degreased by using pickling equipment, and, the skin of an operator is easy to corrode, the device has a good environment-friendly effect, and meanwhile, the production cost of the aluminum welding wire can be saved.
Furthermore, the through groove is a square through groove, the height of the through groove is equal to the outer diameter of the rolling bearing, the transverse width of the through groove is larger than the outer diameter of the rolling bearing, and the longitudinal length of the through groove is larger than the longitudinal length of the rolling bearing.
Through adopting above-mentioned technical scheme, can prevent that antifriction bearing from moving about in the inside that leads to the groove, can guarantee antifriction bearing at the inside stable horizontal migration who leads to the groove simultaneously, still can prevent in addition that antifriction bearing's both ends from stretching out the inside that leads to the groove, avoid unable first end cover of installation and second end cover.
Furthermore, two vertical plates are symmetrically welded at the edges of two sides of the bottom of the mounting seat, and at least two threaded holes are formed in the two vertical plates respectively.
Through adopting above-mentioned technical scheme, two risers can direct joint on the brace table on the production line to utilize the bolt with two risers firm fix on the brace table on the production line, and then make this device be convenient for install.
Furthermore, a horn-shaped groove communicated with the knife edge is formed in the middle of the side surface of the die head, which is far away from the first end cover.
Through adopting above-mentioned technical scheme, tubaeform type groove is used for storing the foreign matter that gets into the die head inside through the edge of a knife, can prevent that the foreign matter card from leading to the edge of a knife to damage in the inside of edge of a knife.
Furthermore, a hexagonal groove is formed in the middle of one end face, close to the second end cover, of the top core.
Through adopting above-mentioned technical scheme, hexagon recess is convenient for insert hexagon socket spanner, is convenient for push up the core tightly with the die head through hexagon socket spanner operation top, can prevent the die head activity, and then guarantees the quality of skinning.
Furthermore, the screw is a hexagon socket head cap screw, and screw holes matched with the screw are formed in the two end faces of the rolling bearing.
Through adopting above-mentioned technical scheme, be convenient for operate the screw through hexagon socket wrench, be convenient for through the screw with first end cover and second end cover fixed mounting at antifriction bearing's both ends.
Further, the roughness of the inner surface of the welding wire inlet, the roughness of the inner surface of the knife edge and the roughness of the inner surface of the welding wire channel are not more than Ra0.2.
By adopting the technical scheme, the surface of the peeled aluminum welding wire can be ensured to be smooth, so that the processing quality of the aluminum welding wire is better.
Further, the inner surface of the welding wire inlet, the inner surface of the knife edge and the inner surface of the welding wire channel are provided with wear-resistant layers, and the wear-resistant layers are prepared by the following method:
weighing the following raw materials in parts by weight: 20-30 parts of polytetrafluoroethylene, 6-10 parts of bronze powder, 5-9 parts of ceramic powder, 15-25 parts of aluminum oxide powder, 10-15 parts of chromium sesquioxide particles, 4-6 parts of film forming auxiliary agent, 2-5 parts of coupling agent, 3-5 parts of defoaming agent, 2-4 parts of flatting agent and 40-60 parts of methanol;
s1, adding polytetrafluoroethylene, bronze powder, ceramic powder, aluminum oxide powder and chromium oxide particles into a ball mill for fine grinding to obtain a mixed powder material;
s2, adding the mixed powder material prepared in the step S1 and methanol into a reaction kettle, stirring for 20-30min, adding a film-forming aid, a coupling agent, a defoaming agent and a leveling agent, continuing stirring for 25-35min, setting the stirring speed to be 700-900r/min, setting the temperature to be 100-120 ℃, and preparing the wear-resistant coating;
s3, dipping the inner surface of the welding wire inlet, the inner surface of the knife edge and the inner surface of the welding wire channel with dust-free cloth to clean with alcohol, and drying with a hot air blower;
s4, uniformly spraying the wear-resistant coating prepared in the step S3 on the inner surface of the dried welding wire inlet, the inner surface of the knife edge and the inner surface of the welding wire channel by using a high-pressure sprayer spray gun;
and S5, placing the welding wire inlet, the knife edge and the welding wire channel which are sprayed with the wear-resistant coating in the step S4 on oxyacetylene flame for drying and curing, wherein the drying time is set to be 20-30min, and the wear-resistant layer is prepared on the inner surface of the welding wire inlet, the inner surface of the knife edge and the inner surface of the welding wire channel.
By adopting the technical scheme, the prepared wear-resistant coating has moderate viscosity, is not easy to layer, has good fluidity, is convenient to spray, has good atomization effect, and the prepared wear-resistant layer has good wear resistance, high stress strength, good adhesiveness and is not easy to fall off, thereby effectively protecting a welding wire inlet, a knife edge and a welding wire channel from being worn out, and further prolonging the service life of the welding wire inlet, the knife edge and the welding wire channel.
Further, the particle diameter of the mixed powder material in the step S1 is 40-60 um.
By adopting the technical scheme, the prepared wear-resistant layer is not easy to have silking, and the film forming effect is good.
Further, the film-forming assistant is alcohol ester twelve, the coupling agent is titanate coupling agent, the defoaming agent is polyoxyethylene polyoxypropylene ether, and the leveling agent is a B003 associated type polyurethane leveling agent.
By adopting the technical scheme, the prepared wear-resistant coating has a good film forming effect, all components are fully combined and are not easy to foam, so that the wear-resistant coating forms a flat, smooth and uniform coating film in the drying and film forming process, the surface tension of the coating liquid can be effectively reduced, and the leveling property and uniformity of the coating liquid are improved.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, the first end cover and the second end cover are loosened by unscrewing the screws, so that the position of the rolling bearing in the through groove is convenient to adjust, the knife edge is corrected, the surface of the aluminum welding wire can be effectively ensured to be uniformly contacted with the inner surface of the knife edge, the peeling quality is improved, and the surface of the aluminum welding wire cannot be deformed due to uneven stress;
2. according to the invention, when the first end cover and the second end cover are loosened by unscrewing the screws, the die head can be conveniently rotated by the inner core to realize the adjustment of the direction of the knife edge, so that the device is convenient to adjust;
3. according to the invention, the two limiting grooves can ensure that the first end cover and the second end cover stably move when the positions are adjusted, so that the device has stable performance;
4. the device can replace the traditional technology that the surface of the aluminum welding wire is degreased by using pickling equipment, can overcome the defects that the pickling pollutes the environment and is easy to corrode the skin of an operator, has better environmental protection effect, and can save the production cost of the aluminum welding wire;
5. the two vertical plates can be directly clamped on the supporting table on the production line, and are stably fixed on the supporting table on the production line by using bolts;
6. the prepared wear-resistant coating has moderate viscosity, good liquidity, convenient spraying and good atomization effect, is not easy to layer, the prepared wear-resistant layer has good wear resistance, high stress strength and good adhesiveness, is not easy to fall off, and effectively protects a welding wire inlet, a welding wire knife edge and a welding wire channel from being worn out, thereby prolonging the service life of the welding wire inlet, the welding wire knife edge and the welding wire channel and being worthy of popularization and promotion.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a rear view of the structure of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 with the first end cap removed;
FIG. 4 is a schematic view of the second end cap of FIG. 2 with the second end cap removed;
FIG. 5 is a schematic view of a partially enlarged structure according to an embodiment of the present invention;
FIG. 6 is a rear view of the structure of FIG. 5;
FIG. 7 is an enlarged schematic view of a die according to an embodiment of the present invention;
FIG. 8 is a rear view of the structure of FIG. 7;
FIG. 9 is an enlarged schematic view of a top core according to an embodiment of the present invention;
FIG. 10 is a rear view of the structure of FIG. 9;
FIG. 11 is an enlarged schematic view of a mounting base according to an embodiment of the present invention;
FIG. 12 is an enlarged partial cross-sectional structural view of an embodiment of the present invention.
In the figure: 1. a mounting seat; 2. a through groove; 3. a screw; 4. a welding wire inlet; 5. a first end cap; 6. a vertical plate; 7. a threaded hole; 8. a rolling bearing; 9. a screw hole; 10. an inner core; 11. a die head; 12. a knife edge; 13. a core; 14. a horn-shaped groove; 15. a welding wire channel; 16. a hexagonal groove; 17. a limiting groove; 18. a second end cap; 19. and a through hole.
Detailed Description
Example 1
The present invention is described in further detail below with reference to figures 1-12.
A peeling die device for aluminum welding wire production is disclosed, as shown in figures 1-12, and comprises a mounting base 1, wherein a through groove 2 is formed in the mounting base 1, a rolling bearing 8 is movably mounted in the through groove 2, an inner core 10 is fixedly mounted in the rolling bearing 8, a die head 11 is movably mounted in the inner core 10 close to one end of the inner core, a top core 13 for tightly supporting the die head 11 is screwed in the inner core 10 close to the other end of the inner core, two limiting grooves 17 are symmetrically formed in two ends of the through groove 2, a first end cover 5 and a second end cover 18 which can move transversely along the limiting grooves 17 are respectively mounted in the two limiting grooves 17, the first end cover 5 is fixedly connected with one end of the rolling bearing 8 through a screw 3, and the side face of the first end cover 5 close to one end of the rolling bearing 8 is abutted against one end face of the die head 11, the second end cover 18 is fixedly connected with the other end of the rolling bearing 8 through a screw 3, a through hole 19 for the top core 13 to pass through is formed in the second end cover 18 in the middle, a welding wire inlet 4 is formed in the first end cover 5 in the middle, a knife edge 12 is formed in the die head 11 in the middle, a welding wire channel 15 is formed in the top core 13 in the middle, and the center point of the welding wire inlet 4, the center point of the knife edge 12 and the center point of the welding wire channel 15 are located on the same straight line.
By adopting the technical scheme, the welding wire inlet 4 is used for introducing an aluminum welding wire into the knife edge 12, the welding wire channel 15 is used for leading the aluminum welding wire passing through the knife edge 12 out, the first end cover 5 and the second end cover 18 are loosened by unscrewing the screw 3, the position of the rolling bearing 8 in the through groove 2 is convenient to adjust, the knife edge 12 is corrected, the surface of the aluminum welding wire can be effectively ensured to be in uniform contact with the inner surface of the knife edge 12, the peeling quality is improved, the surface of the aluminum welding wire cannot deform due to uneven stress, meanwhile, when the first end cover 5 and the second end cover 18 are loosened by unscrewing the screw 3, the die head 11 is convenient to rotate by the inner core 10, the direction of the knife edge 12 is adjusted, the two limit grooves 17 can ensure that the first end cover 5 and the second end cover 18 stably move when adjusting the positions, and the device can replace the prior art that oil stain is removed on the surface of the aluminum welding wire by, the device can solve the defects that the acid cleaning pollutes the environment and the skin of an operator is easy to corrode, has better environmental protection effect, and can save the production cost of the aluminum welding wire.
Preferably, the through groove 2 is a square through groove, the height of the through groove 2 is equal to the outer diameter of the rolling bearing 8, the transverse width of the through groove 2 is greater than the outer diameter of the rolling bearing 8, and the longitudinal length of the through groove 2 is greater than the longitudinal length of the rolling bearing 8. Can prevent antifriction bearing 8 activity from top to bottom in the inside of logical groove 2, can guarantee the stable horizontal migration of antifriction bearing 8 in the inside of logical groove 2 simultaneously, can prevent in addition that the both ends of antifriction bearing 8 from stretching out the inside of logical groove 2, avoid unable first end cover 5 of installation and second end cover 18.
Preferably, two vertical plates 6 are symmetrically welded at edges of two sides of the bottom of the mounting seat 1, and at least two threaded holes 7 are respectively formed in the two vertical plates 6. Two risers 6 can be directly the joint on the brace table on the production line to utilize the bolt with two risers 6 firm fix on the brace table on the production line, and then make this device be convenient for install.
Preferably, the side of the die head 11 away from the first end cover 5 is centrally provided with a horn-shaped groove 14 communicated with the knife edge 12. The trumpet-shaped groove 14 is used for storing foreign matters entering the die head 11 through the knife edge 12, and can prevent the foreign matters from being stuck in the knife edge 12 to cause damage to the knife edge 12.
Preferably, a hexagonal recess 16 is centrally formed in an end surface of the core 13 adjacent to the second end cap 18. The hexagonal groove 16 is convenient for inserting an inner hexagonal wrench, is convenient for tightly ejecting the die head 11 by operating the ejection core 13 through the inner hexagonal wrench, can prevent the die head 11 from moving, and further ensures the peeling quality.
Preferably, the screw 3 is a socket head cap screw, and both end faces of the rolling bearing 8 are provided with screw holes 9 matched with the screw 3. The screw 3 is convenient to operate through an inner hexagonal wrench, and the first end cover 5 and the second end cover 18 are convenient to be fixedly installed at the two ends of the rolling bearing 8 through the screw 3.
Preferably, the roughness of the inner surface of the wire inlet 4, the roughness of the inner surface of the knife edge 12 and the roughness of the inner surface of the wire channel 15 are not more than Ra0.2. The surface of the peeled aluminum welding wire can be ensured to be smooth, so that the processing quality of the aluminum welding wire is better.
Example 2
The difference from the embodiment 1 is that the inner surface of the welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15 are provided with wear-resistant layers, and the wear-resistant layers are prepared by the following method:
weighing the following raw materials in parts by weight: 20 parts of polytetrafluoroethylene, 6 parts of bronze powder, 5 parts of ceramic powder, 15 parts of aluminum oxide powder, 10 parts of chromium oxide particles, 4 parts of a film-forming assistant, 2 parts of a coupling agent, 3 parts of a defoaming agent, 2 parts of a leveling agent and 40 parts of methanol;
s1, adding polytetrafluoroethylene, bronze powder, ceramic powder, aluminum oxide powder and chromium oxide particles into a ball mill for fine grinding to obtain a mixed powder material;
s2, adding the mixed powder material prepared in the step S1 and methanol into a reaction kettle, stirring for 20min, adding a film forming aid, a coupling agent, a defoaming agent and a leveling agent, continuing stirring for 25min, setting the stirring speed to 700r/min and the temperature to 100 ℃, and preparing the wear-resistant coating;
s3, dipping the inner surface of the welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15 with dust-free cloth to clean by alcohol, and drying by a hot air blower;
s4, uniformly spraying the wear-resistant coating prepared in the step S3 on the inner surface of the dried welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15 by using a high-pressure sprayer spray gun;
s5, placing the welding wire inlet 4, the knife edge 12 and the welding wire channel 15 which are sprayed with the wear-resistant coating in the step S4 on oxyacetylene flame for drying and curing, wherein the drying time is set to be 20min, and then wear-resistant layers are prepared on the inner surface of the welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15.
Preferably, the particle diameter of the mixed powder material in the step S1 is 40-60 um. The prepared wear-resistant layer is not easy to have silking, and the film forming effect is good.
Preferably, the film-forming assistant is alcohol ester twelve, the coupling agent is titanate coupling agent, the defoaming agent is polyoxyethylene polyoxypropylene amine ether, and the leveling agent is a B003 associated polyurethane leveling agent. The prepared wear-resistant coating has a good film forming effect, all components are fully combined, and the wear-resistant coating is not easy to foam, so that a flat, smooth and uniform coating film is formed in the drying and film forming process of the wear-resistant coating, the surface tension of the coating liquid can be effectively reduced, and the leveling property and uniformity of the coating liquid are improved.
Example 3
The difference from example 2 lies in the preparation of the wear resistant layer, which is specifically prepared as follows:
weighing the following raw materials in parts by weight: 25 parts of polytetrafluoroethylene, 8 parts of bronze powder, 7 parts of ceramic powder, 20 parts of aluminum oxide powder, 13 parts of chromium oxide particles, 5 parts of a film-forming assistant, 4 parts of a coupling agent, 4 parts of a defoaming agent, 3 parts of a leveling agent and 50 parts of methanol;
s1, adding polytetrafluoroethylene, bronze powder, ceramic powder, aluminum oxide powder and chromium oxide particles into a ball mill for fine grinding to obtain a mixed powder material;
s2, adding the mixed powder material prepared in the step S1 and methanol into a reaction kettle, stirring for 25min, adding a film forming aid, a coupling agent, a defoaming agent and a leveling agent, continuing stirring for 30min, setting the stirring speed to be 800r/min and the temperature to be 110 ℃, and preparing the wear-resistant coating;
s3, dipping the inner surface of the welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15 with dust-free cloth to clean by alcohol, and drying by a hot air blower;
s4, uniformly spraying the wear-resistant coating prepared in the step S3 on the inner surface of the dried welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15 by using a high-pressure sprayer spray gun;
s5, placing the welding wire inlet 4, the knife edge 12 and the welding wire channel 15 which are sprayed with the wear-resistant coating in the step S4 on oxyacetylene flame for drying and curing, wherein the drying time is set to be 25min, namely, wear-resistant layers are prepared on the inner surface of the welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15
Example 4
The difference from example 2 lies in the preparation of the wear resistant layer, which is specifically prepared as follows:
weighing the following raw materials in parts by weight: 30 parts of polytetrafluoroethylene, 10 parts of bronze powder, 9 parts of ceramic powder, 25 parts of aluminum oxide powder, 15 parts of chromium oxide particles, 6 parts of a film-forming assistant, 5 parts of a coupling agent, 5 parts of a defoaming agent, 4 parts of a leveling agent and 60 parts of methanol;
s1, adding polytetrafluoroethylene, bronze powder, ceramic powder, aluminum oxide powder and chromium oxide particles into a ball mill for fine grinding to obtain a mixed powder material;
s2, adding the mixed powder material prepared in the step S1 and methanol into a reaction kettle, stirring for 30min, adding a film forming aid, a coupling agent, a defoaming agent and a leveling agent, continuing stirring for 35min, setting the stirring speed to 900r/min and the temperature to 120 ℃, and preparing the wear-resistant coating;
s3, dipping the inner surface of the welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15 with dust-free cloth to clean by alcohol, and drying by a hot air blower;
s4, uniformly spraying the wear-resistant coating prepared in the step S3 on the inner surface of the dried welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15 by using a high-pressure sprayer spray gun;
s5, placing the welding wire inlet 4, the knife edge 12 and the welding wire channel 15 which are sprayed with the wear-resistant coating in the step S4 on oxyacetylene flame for drying and curing, wherein the drying time is set to be 30min, and then wear-resistant layers are prepared on the inner surface of the welding wire inlet 4, the inner surface of the knife edge 12 and the inner surface of the welding wire channel 15.
The results of the wear resistance tests using a wear tester under the same conditions in the laboratory on the inner surface of the wire inlet 4 and the inner surface of the knife edge 12 and the inner surface of the wire passage 15 in examples 1 to 4 are shown below:
the comparative analysis of the test results in the above table shows that the embodiment 3 is the optimal embodiment, and by adopting the above technical scheme, the prepared wear-resistant coating has moderate viscosity, is not easy to delaminate, has good fluidity, is convenient to spray, has good atomization effect, and the prepared wear-resistant layer has good wear resistance, high stress strength, good adhesion and is not easy to fall off, so that the welding wire inlet 4, the knife edge 12 and the welding wire channel 15 are effectively protected from being worn out, and the service lives of the welding wire inlet 4, the knife edge 12 and the welding wire channel 15 are prolonged.
The working principle is as follows: according to the peeling die device for producing the aluminum welding wire, the first end cover 5 and the second end cover 18 are loosened by unscrewing the screws 3, so that the position of the rolling bearing 8 in the through groove 2 is convenient to adjust, the knife edge 12 is corrected, the surface of the aluminum welding wire can be effectively ensured to be in uniform contact with the inner surface of the knife edge 12, the peeling quality is improved, and the surface of the aluminum welding wire cannot deform due to uneven stress; when the first end cover 5 and the second end cover 18 are loosened by unscrewing the screws 3, the die head 11 is conveniently rotated by the inner core 10 to realize the direction adjustment of the knife edge 12, so that the device is convenient to adjust; the two limiting grooves 17 can ensure that the first end cover 5 and the second end cover 18 stably move when the positions are adjusted, so that the device has stable performance; the device can replace the traditional technology that pickling equipment is used for removing oil stains on the surface of the aluminum welding wire, can solve the defects that the pickling pollutes the environment and is easy to corrode the skin of an operator, has better environmental protection effect, and can save the production cost of the aluminum welding wire; being convenient for install, two risers 6 can be directly the joint on the brace table on the production line to utilize the bolt to fix the brace table on the production line that two risers 6 are firm.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (3)
1. The utility model provides an aluminium welding wire production is with mould device of skinning, includes mount pad (1), its characterized in that: the die head is characterized in that a through groove (2) is formed in the mounting seat (1), a rolling bearing (8) is movably mounted in the through groove (2), an inner core (10) is fixedly mounted in the rolling bearing (8), a die head (11) is movably mounted in the inner core (10) close to one end of the inner core, a top core (13) used for tightly pushing the die head (11) is screwed in the inner core (10) close to the other end of the inner core, two limiting grooves (17) are symmetrically formed in two ends of the through groove (2), a first end cover (5) and a second end cover (18) which can move transversely along the limiting grooves are respectively mounted in the two limiting grooves (17), the first end cover (5) is fixedly connected with one end of the rolling bearing (8) through a screw (3), the side face, close to one end of the rolling bearing (8), of the first end cover (5) is abutted to one end face of the die head (11), the second end cover (18) is fixedly connected with the other end of the rolling bearing (8) through a screw (3), a through hole (19) for the top core (13) to penetrate through is formed in the second end cover (18) in the middle, a welding wire inlet (4) is formed in the first end cover (5) in the middle, a knife edge (12) is formed in the die head (11) in the middle, a welding wire channel (15) is formed in the top core (13) in the middle, and the central point of the welding wire inlet (4), the central point of the knife edge (12) and the central point of the welding wire channel (15) are located on the same straight line;
the inner surfaces of the welding wire inlet (4), the knife edge (12) and the welding wire channel (15) are provided with wear-resistant layers, and the wear-resistant layers are prepared by the following method:
weighing the following raw materials in parts by weight: 20-30 parts of polytetrafluoroethylene, 6-10 parts of bronze powder, 5-9 parts of ceramic powder, 15-25 parts of aluminum oxide powder, 10-15 parts of chromium sesquioxide particles, 4-6 parts of film forming auxiliary agent, 2-5 parts of coupling agent, 3-5 parts of defoaming agent, 2-4 parts of flatting agent and 40-60 parts of methanol;
s1, adding polytetrafluoroethylene, bronze powder, ceramic powder, aluminum oxide powder and chromium oxide particles into a ball mill for fine grinding to obtain a mixed powder material;
s2, adding the mixed powder material prepared in the step S1 and methanol into a reaction kettle, stirring for 20-30min, adding a film-forming aid, a coupling agent, a defoaming agent and a leveling agent, continuing stirring for 25-35min, setting the stirring speed to be 700-900r/min, setting the temperature to be 100-120 ℃, and preparing the wear-resistant coating;
s3, dipping the inner surface of the welding wire inlet (4), the inner surface of the knife edge (12) and the inner surface of the welding wire channel (15) by using dust-free cloth to dip alcohol, wiping the surfaces clean, and drying the surfaces by using a hot air blower;
s4, uniformly spraying the wear-resistant coating prepared in the step S2 on the inner surface of the dried welding wire inlet (4), the inner surface of the knife edge (12) and the inner surface of the welding wire channel (15) by using a high-pressure sprayer spray gun;
s5, placing the welding wire inlet (4), the knife edge (12) and the welding wire channel (15) which are sprayed with the wear-resistant coating in the step S4 on oxyacetylene flame for drying and curing, wherein the drying time is set to be 20-30min, namely, wear-resistant layers are prepared on the inner surface of the welding wire inlet (4), the inner surface of the knife edge (12) and the inner surface of the welding wire channel (15).
2. The peeling die device for producing the aluminum welding wire as claimed in claim 1, wherein: the particle diameter of the mixed powder material in the step S1 is 40-60 um.
3. The peeling die device for producing the aluminum welding wire as claimed in claim 1, wherein: the film-forming assistant is alcohol ester twelve, the coupling agent is titanate coupling agent, the defoaming agent is polyoxyethylene polyoxypropylene amine ether, and the leveling agent is a B003 associated polyurethane leveling agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910410312.2A CN109967919B (en) | 2018-08-28 | 2018-08-28 | Peeling die device for aluminum welding wire production |
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| CN201810987703.6A CN109079366B (en) | 2018-08-28 | 2018-08-28 | A kind of aluminium welding wire production peeling mold device |
| CN201910410312.2A CN109967919B (en) | 2018-08-28 | 2018-08-28 | Peeling die device for aluminum welding wire production |
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| CN201810987703.6A Division CN109079366B (en) | 2018-08-28 | 2018-08-28 | A kind of aluminium welding wire production peeling mold device |
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| CN109967919B true CN109967919B (en) | 2021-04-20 |
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| CN201810987703.6A Active CN109079366B (en) | 2018-08-28 | 2018-08-28 | A kind of aluminium welding wire production peeling mold device |
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| US2825706A (en) * | 1954-11-23 | 1958-03-04 | Du Pont | Coating compositions comprising polytetrafluoroethylene and phenol aldehyde, and article coated therewith |
| US4324515A (en) * | 1980-03-31 | 1982-04-13 | Western Electric Company, Inc. | Die shear apparatus for trimming wire weld bulges |
| CN2659623Y (en) * | 2003-10-31 | 2004-12-01 | 双智龙 | Fine scraping shaping appts. for weld stick |
| TW201016800A (en) * | 2008-09-26 | 2010-05-01 | Whitford Corp | Blended fluoropolymer coatings for rigid substrates |
| CN201361745Y (en) * | 2008-12-29 | 2009-12-16 | 佛山市益宏焊接有限公司 | Stripping device for aluminum alloy welding wires |
| CN102784969B (en) * | 2012-08-09 | 2014-08-13 | 常州华通焊业股份有限公司 | Equipment for scraping surface of aluminum soldering material |
| CN203830616U (en) * | 2014-05-27 | 2014-09-17 | 大连盛辉钛业有限公司 | Wire collimation conveying and wire surface smoothing processing device |
| CN104987787B (en) * | 2014-11-21 | 2016-07-06 | 湖南振辉管业有限公司 | A kind of enviroment protective ceramic coating faucet and preparation method thereof |
| CN107670943A (en) * | 2017-09-28 | 2018-02-09 | 南通通江橡胶制品有限公司 | A kind of rubber surface Teflon handling process |
| CN207592944U (en) * | 2017-11-03 | 2018-07-10 | 常州华亚铝业有限公司 | The universal type scraping knife frame of aluminium welding wire |
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| CN109079366B (en) | 2019-07-26 |
| CN109967919A (en) | 2019-07-05 |
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