CN110842137B - Welding device and process for wax mold and sprue wax rod - Google Patents
Welding device and process for wax mold and sprue wax rod Download PDFInfo
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- CN110842137B CN110842137B CN201911025351.7A CN201911025351A CN110842137B CN 110842137 B CN110842137 B CN 110842137B CN 201911025351 A CN201911025351 A CN 201911025351A CN 110842137 B CN110842137 B CN 110842137B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
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Abstract
The invention discloses a welding device for a wax mould and a sprue wax rod, which relates to the field of pump shell processing and comprises a base, wherein a wax mould conveying belt is arranged on the base, and fixing mechanisms for placing the wax mould are arranged on the wax mould conveying belt at intervals; a sprue wax rod conveying belt is arranged right above the wax mould conveying belt, air cylinders are arranged on the sprue wax rod conveying belt at intervals, and a locking mechanism for fixing the sprue wax rod is arranged on a piston rod of each air cylinder; the lower end inner wall level of the support frame close to the wax mould transmission belt termination end position is provided with a hydraulic cylinder, a knife rest is arranged on a piston rod of the hydraulic cylinder, a hot knife is arranged on the knife rest, and the hot knife is aligned with the connection position of the wax mould and the sprue wax rod. The invention has the following advantages and effects: through setting up high automatic welding set, realize wax matrix and runner wax stick and need the synchronous welding and the high automatic weld of welding position, by a wide margin reduced workman's intensity of labour, simultaneously effectual improvement welding efficiency.
Description
Technical Field
The invention relates to the field of pump shell processing, in particular to a welding device and a welding process for a wax mold and a sprue wax rod.
Background
The acid-proof pump product is suitable for conveying various corrosive media at the temperature of-20 ℃ to +120 ℃, has extremely strong corrosion resistance, has the advantages of high mechanical strength, no aging, no toxin decomposition and the like, and is ideal equipment for conveying various strong and weak acids.
When a traditional acid-proof pump shell is produced, a wax pattern is usually manufactured first, and then the wax pattern is welded on a sprue wax rod by using a hot knife. And then, immersing the wax mold into the slurry to manufacture a shell film, and finally pouring molten metal along a pouring gate to realize the casting of the pump shell.
As shown in fig. 6, when welding a traditional wax pattern and a gate wax rod, a worker is required to hold a hot knife, and then the three connecting positions of the wax pattern and the gate wax rod are welded one by using the manual work, so that the labor intensity of the worker is increased, and meanwhile, the welding efficiency is reduced and needs to be improved.
Disclosure of Invention
The invention aims to provide a welding device for a wax mould and a sprue wax rod, which has the effect of improving the welding efficiency.
The technical purpose of the invention is realized by the following technical scheme: a welding device for a wax mould and a sprue wax rod comprises a base, wherein a wax mould conveying belt is horizontally arranged on the base, and fixing mechanisms for placing the wax mould are arranged on the belt surface of the wax mould conveying belt at intervals; a sprue wax rod conveying belt which moves synchronously with the wax mold conveying belt is horizontally arranged right above the wax mold conveying belt, air cylinders are vertically arranged on the belt surface of the sprue wax rod conveying belt at intervals, a locking mechanism for fixing a sprue wax rod is arranged on a piston rod of each air cylinder, and supporting frames are vertically arranged between the wax mold conveying belt and two ends of the sprue wax rod conveying belt; wherein be close to wax matrix transmission band termination point position the lower extreme inner wall level of support frame is provided with the pneumatic cylinder, be provided with the knife rest on the piston rod of pneumatic cylinder, be provided with on the knife rest and scald the sword, and scald the sword and align with the hookup location of wax matrix and runner wax stick.
Through adopting above-mentioned technical scheme, when using above-mentioned welding set, utilize fixed establishment and locking mechanical system to fix wax matrix and runner wax stick respectively earlier, then utilize wax matrix transmission band and runner wax stick transmission band to carry out synchronous transmission to fixed establishment and locking mechanical system, realize wax matrix and runner wax stick simultaneously and carry out synchronous transmission. When the wax mould and the sprue wax rod move to the position of the hot knife, the wax mould transmission belt and the sprue wax rod transmission belt stop working, and then the cylinder is used for controlling the locking mechanism and the sprue wax rod to move downwards. And after the welding positions of the wax mold and the sprue wax rod are mutually abutted, the hydraulic cylinder is utilized to control the hot knife to move towards the wax mold and the sprue wax rod, so that the hot knife is positioned between the intersection positions of the wax mold and the sprue wax rod, and the intersection positions of the wax mold and the sprue wax rod are melted by the hot knife. Then, the hot knife is controlled by the hydraulic cylinder to be far away from the wax mould and the sprue wax rod, and then the intersection positions of the wax mould and the sprue wax rod are bonded together. And then controlling the sprue wax rod and the wax mold to move upwards by using the cylinder, then continuously transmitting the sprue wax rod and the wax mold backwards, and finally taking down the sprue wax rod and the wax mold to complete the welding of the sprue wax rod and the wax mold. Therefore, by arranging the high-automation welding device, synchronous welding and high-automation welding of the positions, needing to be welded, of the wax mold and the sprue wax rod are achieved, the labor intensity of workers is greatly reduced, and meanwhile the welding efficiency is effectively improved.
The invention is further provided with: the hydraulic cylinder is vertically provided with a limiting rod, and the side wall of the locking mechanism is horizontally provided with a limiting plate for the limiting rod to abut against.
Through adopting above-mentioned technical scheme, through the cooperation that sets up gag lever post and limiting plate, realize locking mechanical system spacing, realize simultaneously that the runner wax stick is spacing for the welding position of runner wax stick and wax matrix can just contradict together, avoids the wax matrix to appear the pressure loss phenomenon.
The invention is further provided with: the fixing mechanism comprises a fixing seat, the fixing seat deviates from one end face of the conveying belt surface of the wax mould is provided with a fixing groove, the fixing groove is used for embedding the lower end position of the wax mould, and the outer wall of the lower end of the wax mould is abutted against the inner wall of the fixing groove.
Through adopting above-mentioned technical scheme, when fixed wax matrix, directly place the wax matrix in the fixed slot, the inner wall of lower extreme outer wall conflict fixed slot of wax matrix this moment realizes the automatic positioning and the fixing of wax matrix to realize the quick fixed of wax matrix.
The invention is further provided with: locking mechanical system is including the locking seat, the locking seat deviates from the one end terminal surface of cylinder is provided with the locking groove, the upper end position embedding that supplies the runner wax stick of locking groove, the conflict of the upper end outer wall of runner wax stick the inner wall of locking groove, and be provided with the adsorption apparatus who is used for fixed runner wax stick on the locking seat.
Through adopting above-mentioned technical scheme, when fixed runner wax stick, insert the locking inslot with the upper end of runner wax stick, the inner wall in the locking groove is contradicted to the upper end outer wall of runner wax stick this moment to realize the location of runner wax stick. Utilize adsorption apparatus to adsorb the back to the runner wax stick afterwards, can realize the fixed of runner wax stick to realize the quick fixed of runner wax stick.
The invention is further provided with: the adsorption mechanism comprises an air suction pump arranged on the upper end face of the locking seat, the upper end face of the locking seat is provided with an air suction hole communicated with the inside of the locking groove, and the air suction end of the air suction pump is communicated with the air suction hole.
Through adopting above-mentioned technical scheme, when welding set during operation, the aspiration pump is in operating condition all the time to carry out the evacuation to the locking groove. After the runner wax stick is embedded into the locking groove, negative pressure is generated in the locking groove, so that the runner wax stick is adsorbed and fixed, and the quick fixation of the runner wax stick is realized.
The invention is further provided with: the lateral wall level of the upper end of the locking seat is provided with a sliding hole communicated with the air exhaust hole, the sliding hole is internally and horizontally connected with a switch board in a sliding way, the switch board is used for realizing the switching between the opening of the air exhaust hole and the plugging, the switch board is provided with a switch hole communicated with the air exhaust hole, one end of the switch board inside the sliding hole is provided with a spring between the bottom wall of the deepest part corresponding to the opening of the sliding hole, and the end of the switch board outside the sliding hole is provided with a handle used for abutting against the outer wall of the locking seat.
Through adopting above-mentioned technical scheme, when needs take out runner wax stick from locking inslot, press the handle and drive the flush mounting plate of switch and inwards slide along the sliding hole inner wall, the switch hole on the flush mounting plate of switch breaks away from the aspirating hole gradually this moment. When the switch board covers the aspirating hole, the negative pressure in the locking groove disappears rapidly, and then the sprue wax rod is directly taken out and unloaded. Therefore, through the matching of the switch plate and the switch hole, the control of negative pressure existence and disappearance in the locking groove is realized, and the unloading process of the sprue wax rod is easier and more convenient.
The invention is further provided with: the lower end surface of the hydraulic cylinder is horizontally provided with a tray below the hot knife, a supporting rod below the hot knife is vertically arranged on the tray, and a cleaning sleeve covering the outer wall of the hot knife is arranged on the supporting rod.
Through adopting above-mentioned technical scheme, after scalding sword work and finishing, scald the sword and slide along the inner wall of clean cover, can utilize clean cover to peel off the residue of scalding sword outer wall this moment, make the residue drop to the tray in to the self-cleaning of sword is scalded in the realization.
The invention is further provided with: a layer of wet cleaning cloth is laid on the upper end face of the tray.
Through adopting above-mentioned technical scheme, in time adsorb the residue through setting up cleaning cloth, avoid the residue phenomenon of splashing to appear. Simultaneously when the residue in the clearance tray, directly take off cleaning cloth, can realize the quick clearance of residue, keep clean and tidy state in the tray simultaneously to make the clearance process of residue light convenient more.
The invention also aims to provide a welding process of the wax mould and the sprue wax rod, which has the effect of improving the welding efficiency.
The technical purpose of the invention is realized by the following technical scheme: a welding process of a wax mould and a sprue wax rod applies the welding device, and comprises the following steps:
s1, respectively fixing the wax mold and the sprue wax rod by using a fixing mechanism and a locking mechanism;
s2, synchronously transmitting the wax pattern and the sprue wax rod by using a wax pattern transmission belt and a sprue wax rod transmission belt;
s3, controlling the sprue wax rod to move downwards by using the cylinder, so that the welding positions of the wax mold and the sprue wax rod are mutually abutted;
s4, controlling the hot knife to move towards the wax mould and the sprue wax rod by using a hydraulic cylinder, enabling the hot knife to be located between the intersection positions of the wax mould and the sprue wax rod, and melting the intersection positions of the wax mould and the sprue wax rod by using the hot knife;
s5, controlling the hot knife to be far away from the wax mould and the sprue wax rod by using a hydraulic cylinder, and then bonding the intersection positions of the wax mould and the sprue wax rod together;
and S6, controlling the sprue wax rod and the wax mold to move upwards by using the cylinder, then continuously conveying the sprue wax rod and the wax mold backwards, and finally taking down the sprue wax rod and the wax mold to complete the welding of the sprue wax rod and the wax mold.
By adopting the technical scheme, the welding process is simple in process, and the wax pattern and the sprue wax rod are not required to be welded manually, so that efficient welding and rapid welding of the wax pattern and the sprue wax rod are realized.
In conclusion, the invention has the following beneficial effects:
1. by arranging the high-automation welding device, synchronous welding and full-automatic welding of the positions, which need to be welded, of the wax mold and the sprue wax rod are realized, the labor intensity of workers is greatly reduced, and meanwhile, the welding efficiency is effectively improved;
2. the wax mold and the sprue wax rod are automatically fixed by arranging the fixing mechanism and the locking mechanism with the automatic fixing function, so that the wax mold and the sprue wax rod are quickly fixed;
3. through the matching of the switch plate and the switch hole, the control of the existence and disappearance of negative pressure in the locking groove is realized, so that the taking and unloading process of the sprue wax rod is easier and more convenient;
4. the cleaning sleeve is arranged to strip the residues on the outer wall of the hot knife, so that the residues fall into the tray, and the automatic cleaning of the hot knife is realized;
5. the process is simple, and a manual welding process for welding the wax mold and the sprue wax rod is not needed, so that efficient welding and rapid welding of the wax mold and the sprue wax rod are realized.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic structural view of a tray of the embodiment;
FIG. 3 is a schematic structural view of a fixing mechanism of the embodiment;
FIG. 4 is a schematic structural view of a locking mechanism of an embodiment;
FIG. 5 is a schematic structural view of a lock base of the embodiment;
FIG. 6 is a schematic view showing a connection relationship between a wax pattern and a gate wax rod according to the embodiment.
Reference numerals: 1. a base; 2. a wax pattern conveying belt; 3. a fixing mechanism; 31. a fixed seat; 32. fixing grooves; 4. a sprue wax bar conveyor belt; 41. a cylinder; 5. a support frame; 51. a hydraulic cylinder; 52. a limiting rod; 53. a tool holder; 54. a scalding knife; 55. a tray; 56. a cleaning cloth; 57. a strut; 58. cleaning the sleeve; 6. a locking mechanism; 61. a limiting plate; 62. a locking seat; 63. a locking groove; 64. an air exhaust hole; 65. a slide hole; 66. a switch plate; 67. a switch hole; 68. a spring; 69. a handle; 7. an adsorption mechanism; 71. an air pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: as shown in figure 1, the welding device for the wax mould and the sprue wax rod comprises a base 1, a wax mould conveying belt 2 is horizontally arranged on the base 1, and fixing mechanisms 3 for placing the wax mould are arranged on the belt surface of the wax mould conveying belt 2 at intervals.
As shown in fig. 1, a sprue wax rod transmission band 4 is horizontally arranged right above the wax pattern transmission band 2, the sprue wax rod transmission band 4 and the wax pattern transmission band 2 move synchronously, and a support frame 5 is vertically arranged between the two ends of the wax pattern transmission band 2 and the sprue wax rod transmission band 4. The cylinder 41 is vertically arranged on the belt surface of the sprue wax rod conveying belt 4 at intervals, and the locking mechanism 6 for fixing the sprue wax rod is arranged on the piston rod of the cylinder 41.
As shown in fig. 1, a hydraulic cylinder 51 is horizontally arranged on the inner wall of the lower end of the support frame 5 close to the end position of the wax pattern conveying belt 2, a limit rod 52 is vertically arranged on the hydraulic cylinder 51, and a limit plate 61 for the limit rod 52 to abut against is horizontally arranged on the side wall of the locking mechanism 6.
As shown in fig. 1 and 2, a knife rest 53 is arranged on a piston rod of the hydraulic cylinder 51, a plurality of hot knives 54 are horizontally arranged on the knife rest 53, and the plurality of hot knives 54 are respectively aligned with the connecting positions of the wax pattern and the gate wax rod.
When the welding device is used, the fixing mechanism 3 and the locking mechanism 6 are firstly utilized to respectively fix the wax mould and the sprue wax rod, then the wax mould transmission band 2 and the sprue wax rod transmission band 4 are utilized to synchronously transmit the fixing mechanism 3 and the locking mechanism 6, and the wax mould and the sprue wax rod are synchronously transmitted.
When the wax pattern and the gate wax stick move to the position of the hot knife 54, the wax pattern conveyor belt 2 and the gate wax stick conveyor belt 4 stop operating, and then the locking mechanism 6 and the gate wax stick move downward by the control of the air cylinder 41. At this time, the locking mechanism 6 drives the limiting plate 61 to synchronously move downwards, and the sprue wax rod is just abutted to the welding position of the wax mold until the limiting rod 52 on the hydraulic cylinder 51 abuts against the lower end face of the limiting plate 61.
Then, the knife holder 53 and the hot knife 54 are controlled by the hydraulic cylinder 51 to move towards the wax pattern and the gate wax rod, so that the hot knife 54 is positioned between the intersection positions of the wax pattern and the gate wax rod, and the intersection positions of the wax pattern and the gate wax rod are melted by the hot knife 54. Then the hot knife 54 is controlled by the hydraulic cylinder 51 to be quickly separated from the wax pattern and the sprue wax rod, and then the intersection positions of the wax pattern and the sprue wax rod are bonded together.
Then, the cylinder 41 is used for controlling the locking mechanism 6 to drive the sprue wax rod and the wax mold to synchronously move upwards, then the wax mold transmission belt 2 and the sprue wax rod transmission belt 4 continue to move, the sprue wax rod and the wax mold continue to be transmitted backwards, and finally the sprue wax rod and the wax mold are taken down to complete the welding of the sprue wax rod and the wax mold. And the wax molds and the sprue wax rod are welded and fixed in sequence.
As shown in fig. 2, a tray 55 is horizontally disposed on the lower end surface of the hydraulic cylinder 51 below the ironing knife 54, and a wet cleaning cloth 56 is laid on the upper end surface of the tray 55. A supporting rod 57 positioned right below the ironing knife 54 is vertically arranged on the tray 55, and a cleaning sleeve 58 for coating the outer wall of the ironing knife 54 is arranged on the supporting rod 57.
When the ironing knife 54 works, the ironing knife 54 slides along the inner wall of the cleaning sleeve 58, and after the ironing knife 54 works, the ironing knife 54 reversely slides along the inner wall of the cleaning sleeve 58, at this time, the residues on the outer wall of the ironing knife 54 can be peeled off by using the cleaning sleeve 58, so that the residues fall into the tray 55, and the ironing knife 54 is automatically cleaned.
And when the residue drops to in the tray 55, the residue is accumulated on the surface of the cleaning cloth 56, and when the residue in the tray 55 is cleaned, the cleaning cloth 56 is directly taken down, so that the rapid cleaning of the residue can be realized, and meanwhile, the clean state is kept in the tray 55, so that the rapid cleaning of the residue in the tray 55 is realized.
As shown in fig. 3, the fixing mechanism 3 includes a fixing seat 31, and a fixing groove 32 is disposed on an end surface of the fixing seat 31 facing away from the belt surface of the wax pattern conveying belt 2. The lower end position of the wax pattern is inserted into the fixing groove 32, and the outer wall of the lower end of the wax pattern abuts against the inner wall of the fixing groove 32.
When fixed wax matrix, directly place the wax matrix in fixed slot 32, the lower extreme outer wall of wax matrix is contradicted the inner wall of fixed slot 32 this moment to realize the automatic positioning and fixed of wax matrix, realize the quick installation and the fixed of wax matrix promptly. And when the wax pattern and the sprue wax rod are in use, the wax pattern can be separated from the fixing groove 32 rapidly, so that the wax pattern can move synchronously along with the sprue wax rod.
As shown in fig. 4 and 5, the lock mechanism 6 includes a lock seat 62, and a lock groove 63 is provided on an end surface of the lock seat 62 facing away from the cylinder 41. Locking groove 63 supplies the embedding of the upper end position of runner wax stick, and the upper end outer wall of runner wax stick contradicts the inner wall of locking groove 63 to be provided with the adsorption apparatus 7 that is used for fixed runner wax stick on the locking seat 62.
When fixed runner wax stick, insert the upper end of runner wax stick in locking groove 63, the upper end outer wall of runner wax stick contradicts the inner wall of locking groove 63 this moment to realize the location of runner wax stick. Utilize adsorption apparatus 7 to adsorb the back to the runner wax stick afterwards, can realize the fixed of runner wax stick to realize the quick fixed of runner wax stick.
As shown in fig. 5, the suction mechanism 7 includes a suction pump 71 provided on the upper end surface of the lock base 62, the upper end surface of the lock base 62 is provided with a suction hole 64 communicating with the inside of the lock groove 63, and the suction end of the suction pump 71 communicates with the suction hole 64.
When the welding apparatus is operated, the suction pump 71 is always in an operating state, and the locking groove 63 is evacuated through the suction hole 64. After the runner wax stick is embedded into the locking groove 63, negative pressure is automatically generated in the locking groove 63, so that the automatic adsorption and fixation of the runner wax stick are realized, and the quick fixation of the runner wax stick is realized.
As shown in fig. 4 and 5, the upper end side wall of the locking seat 62 is horizontally provided with a sliding hole 65 communicating with the suction hole 64, a switch plate 66 for switching between opening and closing the suction hole 64 is horizontally and movably connected in the sliding hole 65, and a switch hole 67 communicating with the suction hole 64 is provided in the switch plate 66.
As shown in fig. 4 and 5, a spring 68 is provided between one end of the switch plate 66 located inside the slide hole 65 and the deepest bottom wall opposite to the opening of the slide hole 65, and a catch 69 for abutting against the outer wall of the lock base 62 is provided at one end located outside the slide hole 65.
When the gate wax stick needs to be taken out from the locking groove 63, the handle 69 is pressed to drive the switch plate 66 to slide inwards along the inner wall of the sliding hole 65, at the moment, the switch plate 66 presses the spring 68 to compress, and the switch hole 67 is gradually separated from the air suction hole 64. When the switch hole 67 on the switch plate 66 is completely separated from the air extraction hole 64, the switch plate 66 covers the air extraction hole 64, the negative pressure in the locking groove 63 disappears rapidly at the moment, and then the sprue wax rod is directly taken out.
When the gate wax stick needs to be fixed, the handle 69 is released, the spring 68 springs open and pushes the switch plate 66 to slide outwards until the switch hole 67 on the switch plate 66 is communicated with the air suction hole 64, the locking groove 63 is communicated with the air suction hole 64, and negative pressure continues to be generated in the locking groove 63 at the moment and the gate wax stick is fixed.
Example 2: a welding process of a wax mould and a sprue wax rod applies the welding device, and comprises the following steps:
s1, respectively fixing the wax mould and the sprue wax rod by using the fixing mechanism 3 and the locking mechanism 6;
s2, synchronously transmitting the wax pattern and the sprue wax rod by using the wax pattern transmission belt 2 and the sprue wax rod transmission belt 4;
s3, controlling the downward movement of the sprue wax rod by using the cylinder 41, so that the welding positions of the wax mold and the sprue wax rod are mutually abutted;
s4, controlling the hot knife 54 to move towards the wax pattern and the sprue wax rod by using the hydraulic cylinder 51, so that the hot knife 54 is positioned between the intersection positions of the wax pattern and the sprue wax rod, and melting the intersection positions of the wax pattern and the sprue wax rod by using the hot knife 54;
s5, controlling the hot knife 54 to be far away from the wax mould and the gate wax rod by using the hydraulic cylinder 51, and then bonding the intersection positions of the wax mould and the gate wax rod together;
s6, controlling the sprue wax rod and the wax mold to move upwards by using the air cylinder 41, then continuously conveying the sprue wax rod and the wax mold backwards, and finally taking down the sprue wax rod and the wax mold to complete the welding of the sprue wax rod and the wax mold.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments 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 (6)
1. The utility model provides a welding set of wax matrix and runner wax stick which characterized in that: the wax mould conveying device comprises a base (1), wherein a wax mould conveying belt (2) is horizontally arranged on the base (1), and fixing mechanisms (3) for placing wax moulds are arranged on the belt surface of the wax mould conveying belt (2) at intervals;
a sprue wax rod conveying belt (4) which moves synchronously with the wax mold conveying belt (2) is horizontally arranged right above the wax mold conveying belt (2), air cylinders (41) are vertically arranged on the belt surface of the sprue wax rod conveying belt (4) at intervals, a locking mechanism (6) for fixing a sprue wax rod is arranged on a piston rod of each air cylinder (41), and a support frame (5) is vertically arranged between the wax mold conveying belt (2) and two ends of the sprue wax rod conveying belt (4);
the lower end inner wall of the support frame (5) close to the terminating end position of the wax mould conveying belt (2) is horizontally provided with a hydraulic cylinder (51), a piston rod of the hydraulic cylinder (51) is provided with a knife rest (53), the knife rest (53) is provided with a hot knife (54), and the hot knife (54) is aligned with the connecting position of the wax mould and the sprue wax rod;
the locking mechanism (6) comprises a locking seat (62), a locking groove (63) is formed in the end face, away from the air cylinder (41), of the locking seat (62), the upper end position of the sprue wax rod is embedded into the locking groove (63), the outer wall of the upper end of the sprue wax rod is abutted against the inner wall of the locking groove (63), and an adsorption mechanism (7) used for fixing the sprue wax rod is arranged on the locking seat (62);
the adsorption mechanism (7) comprises an air suction pump (71) arranged on the upper end face of the locking seat (62), an air suction hole (64) communicated with the inside of the locking groove (63) is formed in the upper end face of the locking seat (62), and the air suction end of the air suction pump (71) is communicated with the air suction hole (64);
the upper end lateral wall level of locking seat (62) is provided with the intercommunication sliding hole (65) of aspirating hole (64), it is right that horizontal smooth motion is connected with in sliding hole (65) is used for realizing that aspirating hole (64) are opened and shutoff switch panel (66) that switch over, and be provided with the intercommunication on switch panel (66) the switch hole (67) of aspirating hole (64), switch panel (66) are located the inside one end of sliding hole (65) with be provided with spring (68) between the relative deepest diapire of opening part of sliding hole (65), and be located the outside one end of sliding hole (65) is provided with and is used for contradicting handle (69) of locking seat (62) outer wall.
2. The apparatus for welding a wax pattern to a sprue wax-bar as claimed in claim 1, wherein: the hydraulic cylinder (51) is vertically provided with a limiting rod (52), and the side wall of the locking mechanism (6) is horizontally provided with a limiting plate (61) for the limiting rod (52) to abut against.
3. The apparatus for welding a wax pattern to a sprue wax-bar as claimed in claim 1, wherein: fixed establishment (3) include fixing base (31), fixing base (31) deviate from the one end terminal surface of wax matrix transmission band (2) area is provided with fixed slot (32), the lower extreme position embedding that fixed slot (32) supplied the wax matrix to the lower extreme outer wall of wax matrix is contradicted the inner wall of fixed slot (32).
4. The apparatus for welding a wax pattern to a sprue wax-bar as claimed in claim 1, wherein: the lower end face of the hydraulic cylinder (51) is horizontally provided with a tray (55) located below the ironing knife (54), a support rod (57) located right below the ironing knife (54) is vertically arranged on the tray (55), and a cleaning sleeve (58) covering the outer wall of the ironing knife (54) is arranged on the support rod (57).
5. The apparatus for welding a wax pattern to a sprue wax-bar as set forth in claim 4, wherein: a layer of wet cleaning cloth (56) is laid on the upper end face of the tray (55).
6. A process for welding a wax pattern to a sprue bar using the welding apparatus according to any one of claims 1 to 5, wherein: the method comprises the following steps:
s1, respectively fixing the wax mould and the sprue wax rod by using a fixing mechanism (3) and a locking mechanism (6);
s2, synchronously transmitting the wax pattern and the sprue wax rod by using the wax pattern transmission belt (2) and the sprue wax rod transmission belt (4);
s3, controlling the sprue wax rod to move downwards by using the air cylinder (41), so that the welding positions of the wax mold and the sprue wax rod are mutually abutted;
s4, controlling the hot knife (54) to move towards the wax mould and the sprue wax rod by using the hydraulic cylinder (51), enabling the hot knife (54) to be located between the intersection positions of the wax mould and the sprue wax rod, and melting the intersection positions of the wax mould and the sprue wax rod by using the hot knife (54);
s5, controlling the hot knife (54) to be far away from the wax mould and the gate wax rod by using the hydraulic cylinder (51), and then bonding the intersection positions of the wax mould and the gate wax rod together;
s6, controlling the sprue wax rod and the wax mold to move upwards by using the air cylinder (41), then continuously conveying the sprue wax rod and the wax mold backwards, and finally taking down the sprue wax rod and the wax mold to complete the welding of the sprue wax rod and the wax mold.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025351.7A CN110842137B (en) | 2019-10-25 | 2019-10-25 | Welding device and process for wax mold and sprue wax rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025351.7A CN110842137B (en) | 2019-10-25 | 2019-10-25 | Welding device and process for wax mold and sprue wax rod |
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| CN110842137A CN110842137A (en) | 2020-02-28 |
| CN110842137B true CN110842137B (en) | 2021-09-14 |
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