CN211638226U

CN211638226U - Wax mould welding system

Info

Publication number: CN211638226U
Application number: CN202020094912.0U
Authority: CN
Inventors: 张争艳; 戴立达; 国阳; 董树东
Original assignee: Hebei University of Technology
Current assignee: Hebei University of Technology
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-09
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a wax matrix welding system, including impeller mould conveying mechanism, lead shell mould conveying mechanism, swivel work head, wax matrix anchor clamps, lead shell mould fixture, mobile device, welding liquid spraying mechanism, the tight mechanism in location top and impeller mould feed mechanism. The impeller mould feed mechanism can realize that the impeller mould is pushed into wax matrix anchor clamps by impeller mould conveying mechanism's flexibility. The wax mold clamp realizes accurate and complete clamping of the impeller mold. The mist welding liquid formed by the atomizing nozzle of the welding liquid spraying mechanism is beneficial to the uniform coating of the welding liquid. The positioning and jacking mechanism realizes positioning and jacking of the impeller mold. The system can realize mechanized and continuous welding of a plurality of stations, eliminates the randomness of manual operation, has stable production process, improves the production efficiency and the process quality, reduces the production cost, and simultaneously avoids the contact of people and irritant glue. Through modular design, compact structure, little to the space requirement, space utilization is high.

Description

Wax mould welding system

Technical Field

The utility model relates to a welding industrial robot field specifically is a wax matrix welding system.

Background

The wax mold is a mold for forming a casting cavity, and the wax mold itself should have high dimensional accuracy and surface finish for obtaining a casting with high dimensional accuracy and surface finish.

In the processing of the wax pattern, the connection mode of two or more wax pattern parts is mainly welding. The wax pattern welding is to form the appearance structure of the cast part by welding and combining two or more wax pattern parts under the condition that a single wax pattern part is difficult to manufacture when the structure of the part to be cast is complex. In the welding of the wax pattern, a welding liquid similar to glue is coated on the surface of the wax pattern, and a plurality of wax pattern parts are welded together.

Because the shape of the wax mould is generally complex, the existing wax mould welding process is manual welding, 4-5 stations are needed, each station needs 1 worker to take charge of, and the streamlined operation is carried out, so that the number of needed workers is large, the process is complex, the process flow is large, and the welding efficiency and the welding quality are difficult to guarantee.

With the development of machining automation, various automatic welding systems have been developed, but in the field of wax pattern welding, a wax pattern has the characteristics of fragility, low melting point and the like, and the shape of a common wax pattern is complex and the production batch is small, so that a complete wax pattern welding system is lacking at present.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model discloses the technical problem who plans to solve provides a wax matrix welding system.

The technical scheme of the utility model for solving the technical problems is to provide a wax mould welding system, which is characterized in that the system comprises an impeller mould conveying mechanism, a guide shell mould conveying mechanism, a rotary worktable, a wax mould clamp, a guide shell mould clamping mechanism, a moving device, a welding liquid spraying mechanism, a positioning and jacking mechanism and an impeller mould feeding mechanism;

the frame of the rotary worktable is placed on the ground, a motor is arranged in the frame, and the output end of the motor is fixedly connected with the rotating surface of the rotary worktable to drive the rotating surface of the rotary worktable to rotate; at least two wax pattern clamps are uniformly distributed on the upper surface of the rotating table; a positioning and jacking mechanism is arranged below each wax mold clamp, is matched with the wax mold clamp and is used for jacking and positioning the impeller mold falling into the wax mold clamp;

the impeller mould conveying mechanism is arranged on the ground, and the tail end of the impeller mould conveying mechanism is connected with one of the wax mould clamps and used for conveying the impeller mould; the impeller mold feeding mechanism is arranged on the ground, is positioned between the impeller mold conveying mechanism and the wax mold clamp and is used for pushing the impeller mold into the wax mold clamp;

the shell guide mold conveying mechanism is arranged on the ground and used for conveying the shell guide mold; the tail end of the shell mold conveying mechanism is provided with a baffle plate for blocking the shell guide mold conveyed to the tail end of the shell guide mold conveying mechanism, so that the shell guide mold clamping mechanism can conveniently grab the shell guide mold; the moving device is placed on the ground and is positioned behind the shell guide die conveying mechanism; the guide shell mold clamping mechanism is arranged on the moving device, and the moving device drives the guide shell mold clamping mechanism to move, so that the guide shell mold clamping mechanism moves to the guide shell mold conveying mechanism to grab the guide shell mold; during the use, welding liquid spraying mechanism is located and leads shell mould fixture below, and inside is equipped with the welding liquid, can evenly spray the welding liquid after the atomizing on leading the shell mould.

Compared with the prior art, the utility model discloses beneficial effect lies in:

(1) the system adopts reasonable mechanism composition and structural design, can realize mechanized and continuous welding of a plurality of stations, eliminates the randomness of manual operation, has stable production process, improves the production efficiency and the process quality, reduces the production cost, and simultaneously avoids the contact of people and irritant glue. Through modular design, compact structure, little to the space requirement, space utilization is high.

(2) The impeller mould feed mechanism can realize that the impeller mould is pushed into the wax matrix anchor clamps by impeller mould conveying mechanism's flexibility, has avoided artifical contact to can realize accurate, the pushing completely of impeller mould.

(3) The structure design of the wax mold clamp realizes accurate and complete clamping of the impeller mold, and meanwhile welding of blades of the impeller mold and the guide shell mold in clamping is realized, and the design is ingenious.

(4) The mist welding liquid formed by the atomizing nozzle of the welding liquid spraying mechanism is beneficial to the uniform coating of the welding liquid, so that the cost is saved and the welding quality is improved. The condensing reflux device for the welding liquid steam is arranged, so that the cost is saved, and the gas pollution and the emission of toxic gas are reduced.

(5) The positioning and jacking mechanism can not damage the wax mould while realizing positioning and jacking of the impeller mould. Meanwhile, at the welding station of the guide shell die and the impeller die, the soft spring of the positioning and jacking mechanism is compressed to prevent the wax die from being crushed, so that higher welding quality can be obtained.

(6) The system aims at the metal impeller part produced by adopting an investment casting method, and the structure and the shape of the metal impeller part are complex, so that the wax mould part is split into a guide shell mould and an impeller mould in the process of preparing the wax mould, and the guide shell mould and the impeller mould are integrated into a whole in an automatic welding mode so as to be used for an investment casting process.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention.

Fig. 2 is a schematic top view of an overall structure of an embodiment of the present invention.

Fig. 3 is a schematic top view of a wax pattern clamp according to an embodiment of the present invention.

Fig. 4 is a schematic view of a welding liquid spraying mechanism according to an embodiment of the present invention.

Fig. 5 is a schematic view of a positioning and tightening mechanism according to an embodiment of the present invention.

Fig. 6 is a schematic front view of an impeller mold feeding mechanism according to an embodiment of the present invention.

Fig. 7 is a left side view schematic diagram of an impeller mold feeding mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic view of a guide shell mold according to an embodiment of the present invention.

Fig. 9 is a schematic view of an impeller mold according to an embodiment of the present invention.

In the figure: 1. an impeller mold conveying mechanism; 2. a shell guide die conveying mechanism; 3. a rotary table; 4. a wax pattern clamp; 5. a wax mould finished product blanking mechanism; 6. a guide shell mold clamping mechanism; 7. a mobile device; 8. a welding liquid spraying mechanism; 9. a positioning and jacking mechanism; 10. a motor; 11. the impeller mould feeding mechanism; 12. a shell guide die; 13. an impeller mold; 1301. a blade; 1302. a cap portion; 1303. a columnar portion.

101. An impeller mold conveyor belt; 102. an impeller mold conveying chute; 201. a guide shell mold conveyor belt; 202. a guide shell mold conveying slideway; 401. a clamp base plate; 402. a front contour block; 403. a rear profiling block;

801. a welding liquid peristaltic pump; 802. a welding liquid heat preservation box; 803. a hose; 804. an atomizing nozzle; 805. a gas compression pump; 806. a condensing reflux device; 807. a hard tube;

901. positioning a jackscrew thimble; 902. positioning the jackscrew shell; 903. a soft spring; 904. a cylinder; 905. a frame body;

1101. a base; 1102. a vertical guide bar; 1103. a limiting block; 1104. a horizontal guide bar; 1105. a horizontal return spring; 1106. a vertical return spring; 1107. a vertical slider; 1108. a right-angle adapter; 1109. a transverse connecting rod; 1110. an auxiliary positioning plate; 1111. a vertical connecting rod; 1112. a horizontal plate; 1113. and (4) a handle.

Detailed Description

The present invention will be further explained with reference to the following embodiments and accompanying drawings. The specific embodiments are only used for further elaboration of the invention, and do not limit the scope of protection of the claims of the present application.

The utility model provides a wax mould welding system (for short, see fig. 1-7), which is characterized in that the system comprises an impeller mould conveying mechanism 1, a guide shell mould conveying mechanism 2, a rotary worktable 3, a wax mould clamp 4, a wax mould finished product blanking mechanism 5, a guide shell mould clamping mechanism 6, a moving device 7, a welding liquid spraying mechanism 8, a positioning and jacking mechanism 9, a motor 10 and an impeller mould feeding mechanism 11;

the frame of the rotary worktable 3 is placed on the ground, a motor 10 is arranged in the frame, and the output end of the motor 10 is fixedly connected with the rotating surface of the rotary worktable 3 to drive the rotating surface of the rotary worktable 3 to rotate; at least two wax pattern clamps 4 are uniformly distributed on the upper surface of the rotating table 3 (in this embodiment, four wax pattern clamps 4 are uniformly fixed on the upper surface of the rotating table 3, and the difference between the four wax pattern clamps is 90 °); a positioning and jacking mechanism 9 is arranged below each wax mold clamp 4, is matched with the wax mold clamp 4 and is used for jacking and positioning the impeller mold 13 falling into the wax mold clamp 4;

the impeller mould conveying mechanism 1 is arranged on the ground, and the tail end of the impeller mould conveying mechanism is connected with one of the wax mould clamps 4 and used for conveying the impeller mould 13; the impeller mold feeding mechanism 11 is arranged on the ground, is positioned between the impeller mold conveying mechanism 1 and the wax mold clamp 4, and is used for pushing the impeller mold 13 into the wax mold clamp 4; the wax pattern finished product blanking mechanism 5 is arranged on a frame of the rotary worktable 3, is positioned at the upper part of the rotary surface of the rotary worktable 3, corresponds to the other wax pattern clamp 4 and is used for pushing out the wax pattern finished product to the next station;

the shell guiding mold conveying mechanism 2 is arranged on the ground and used for conveying the shell guiding mold 12; the tail end of the shell mold conveying mechanism 2 is provided with a baffle plate for blocking the shell guide mold 12 conveyed to the tail end of the shell guide mold conveying mechanism 2, so that the shell guide mold clamping mechanism 6 can conveniently grab the shell guide mold; the moving device 7 is placed on the ground and is positioned behind the guide shell mold conveying mechanism 2; the guide shell mold clamping mechanism 6 is arranged on the moving device 7, and the moving device 7 drives the guide shell mold clamping mechanism 6 to move towards the required direction, so that the guide shell mold clamping mechanism 6 moves to the guide shell mold conveying mechanism 2 (which can be a tail end baffle) to grab the guide shell mold 12; during the use, welding liquid spraying mechanism 8 is located and leads shell mould fixture 6 below, and the inside high temperature welding liquid that is equipped with can evenly spray the welding liquid after the atomizing on leading shell mould 12 of leading shell mould fixture 6 centre gripping.

Preferably, the impeller mould conveying mechanism 1 comprises an impeller mould conveyor belt 101 and an impeller mould conveying slideway 102; the impeller mould conveyor belt 101 is arranged on the ground, and the tail end of the impeller mould conveyor belt is connected with one end of an impeller mould conveying slide way 102; the other end of the impeller mold delivery chute 102 is connected to one of the wax mold clamps 4. The impeller die delivery chute 102 mates with the cylindrical portion 1303 of the impeller die 13. The impeller mold conveyor 101 can be automatically started and stopped.

Preferably, the shell mold conveying mechanism 2 comprises a shell mold conveying belt 201 and a shell mold conveying slide 202; the shell guide mold conveyor belt 201 is arranged on the ground, and the tail end of the shell guide mold conveyor belt is connected with one end of the shell guide mold conveying slide rail 202; the other end of the guide shell mold conveying slide way 202 is provided with a baffle plate for blocking the guide shell mold 12 sliding to the tail end along the guide shell mold conveying slide way 202, so that the guide shell mold clamping mechanism 6 can conveniently grab. The guide shell mould conveyor belt 201 can be automatically started and stopped.

Preferably, the wax pattern clamp 4 comprises a clamp base plate 401 and a profiling block 402; the jig base plate 401 is fixed to the upper surface of the rotating surface of the rotary table 3; the fixture bottom plate 401 is provided with a through groove, the through groove is connected with the impeller mold conveying slide way 102 of the impeller mold conveying mechanism 1 and is matched with the impeller mold conveying slide way in size, and the through groove is used for moving the columnar part 1303 of the impeller mold 13 from the impeller mold conveying slide way 102 to the through groove of the fixture bottom plate 401; the contour block 402 is fixed on the clamp bottom plate 401 and is positioned outside the through groove of the clamp bottom plate 401; the shape of the inside of the shaped block 402 matches the shape of the cap-shaped portion 1302 of the impeller mold 13; the contour block 402 is uncapped, and the blades 1301 of the impeller mold 13 extend from the top of the contour block 402 to the outside of the contour block 402, so that the impeller mold 13 is placed inside the wax mold clamp 4.

Preferably, the wax mould finished product blanking mechanism 5 adopts an electric push rod.

Preferably, the guide shell mold clamping mechanism 6 adopts a pneumatic flexible mechanical gripper.

Preferably, the moving device 7 includes a z-direction moving mechanism and at least one of an x-direction moving mechanism or a y-direction moving mechanism, and both adopt a lead screw guide rail sliding table structure;

preferably, the welding liquid spraying mechanism 8 comprises a welding liquid peristaltic pump 801, a welding liquid incubator 802, a hose 803, an atomizing nozzle 804, a gas compression pump 805, a condensation reflux device 806 and a hard pipe 807;

two ends of a welding liquid peristaltic pump 801 are respectively connected with one end of a welding liquid incubator 802 and one end of a hard tube 807 in a sealing manner through a hose 803; the hard pipe 807 penetrates through the welding liquid heat insulation box 802 and is fixed on the welding liquid heat insulation box, and the tail end of the hard pipe is in threaded sealing connection with the atomizing nozzle 804; the atomizing nozzle 804 is over against the guide shell mold 12 clamped by the guide shell mold clamping mechanism 6; two ends of a gas compression pump 805 are respectively connected with one end of the welding liquid heat preservation box 802 and one end of the condensation reflux device 806 in a sealing way through a hose 803; the other end of the condensation reflux device 806 is hermetically connected with the welding liquid heat preservation box 802 through a hose 803; the welding fluid insulation can 802 is filled with high temperature welding fluid. The hard pipe 807 is made of PVC pipe. Condensate return 806 is a condenser tube.

The welding liquid peristaltic pump 801 pumps out the high-temperature welding liquid in the welding liquid insulation box 802, and the welding liquid is atomized and sprayed out through the atomizing nozzle 804 to finish the uniform spraying of the welding liquid; the high temperature soldering fluid is heated and evaporated, the soldering fluid vapor is pumped into the condensed reflux device 806 by the gas compression pump 805, and the vapor is changed into the liquid reflux soldering fluid insulation can 802 after condensation.

Preferably, the positioning and tightening mechanism 9 includes a positioning jackscrew thimble 901, a positioning jackscrew housing 902, a soft spring 903, an air cylinder 904 and a frame body 905; the frame body 905 is fixed on a frame of the rotary table 3, and the cylinder 904 is fixed on the frame body 905; the positioning jackscrew shell 902 is fixedly connected with a cylinder shaft of the cylinder 904; the upper part of the positioning jackscrew shell 902 is provided with a through hole; the positioning jackscrew thimble 901 is clamped inside the positioning jackscrew shell 902, is in clearance fit with the positioning jackscrew shell 902, and has an end part extending out of the positioning jackscrew shell 902 from a through hole of the positioning jackscrew shell 902 and capable of contacting with a columnar part 1303 of the impeller mold 13 in the wax mold clamp 4; the soft spring 903 is arranged between the positioning jackscrew thimble 901 and the positioning jackscrew shell 902, and the axes of the three are overlapped.

Preferably, the impeller mold feeding mechanism 11 comprises a base 1101, a vertical guide rod 1102, a limit block 1103, a horizontal guide rod 1104, a horizontal return spring 1105, a vertical return spring 1106, a vertical sliding block 1107, a right-angle adapter joint 1108, a horizontal connecting rod 1109, an auxiliary positioning plate 1110, a vertical connecting rod 1111 and a horizontal plate 1112;

the base 1101 is arranged on the ground; horizontal plate 1112 is fixed to base 1101; two ends of the vertical guide rod 1102 are respectively fixed on the base 1101 and the horizontal plate 1112; the vertical sliding block 1107 is nested outside the vertical guide rod 1102, is in clearance fit connection with the vertical guide rod 1102, and can slide up and down along the vertical guide rod 1102; the vertical return spring 1106 is nested outside the vertical guide rod 1102, one end of the vertical return spring is fixedly connected or contacted with the base 1101, and the other end of the vertical return spring is fixedly connected or contacted with the vertical sliding block 1107; a through groove is formed in the horizontal plate 1112, a limiting block 1103 is fixed on the vertical connecting rod 1111, and the size of the limiting block 1103 and the size of the vertical sliding block 1107 are larger than that of the through groove of the horizontal plate 1112, so that the vertical connecting rod 1111 is limited; one end of the vertical connecting rod 1111 is provided with a through hole, the end penetrates through the through groove of the horizontal plate 1112, and the other end is in threaded connection with the horizontal connecting rod 1109 through a right-angle adapter joint 1108; the auxiliary positioning plate 1110 is fixed on the transverse connecting rod 1109; the auxiliary positioning plate 1110 is positioned between the impeller mold conveying slide 102 of the impeller mold conveying mechanism 1 and the wax mold clamp 4, and the auxiliary positioning plate 1110 can be attached to the edge of the wax mold clamp 4 to complete auxiliary positioning of the impeller mold 13; one end of the horizontal guide rod 1104 penetrates through a through hole at the opening end of the vertical connecting rod 1111 and is in threaded connection with the vertical sliding block 1107; the horizontal return spring 1105 is nested outside the horizontal guide bar 1104, one end of the horizontal return spring is fixedly connected or contacted with the other end of the horizontal guide bar 1104, and the other end of the horizontal return spring is fixedly connected or contacted with the opening end of the vertical connecting bar 1111.

Preferably, a handle 1113 is arranged on the limiting block 1103 and used for being held by a human hand; the secondary positioning plate 1110 has openings therein that match the shape of the impeller mold delivery chute 102. The auxiliary positioning plate 1110 is provided with a buffer pad to realize flexible contact with the impeller mold 13.

The impeller die 13 consists of blades 1301, a cap-shaped part 1302 with a narrow top and a wide bottom and a columnar part 1303; the top of the cap 1302 is provided with vanes 1301, and the bottom of the cap 1302 is provided with a column 1303; the size of the columnar part 1303 is matched with the through grooves of the impeller mould conveying slide way 102 and the clamp bottom plate 401; the cap-shaped portion 1302 of the impeller die 13 matches the shape of the interior of the profiling block 402; the blades 1301 of the impeller die 13 extend from the top of the contoured block 402 to the exterior of the contoured block 402.

Preferably, the auxiliary positioning plate 1110 and the wax pattern clamp 4 may be provided with a contact switch.

The utility model discloses a theory of operation and work flow are:

in this embodiment, have four wax matrix anchor clamps 4, correspond four stations in the welding process respectively promptly: the device comprises an impeller mould feeding station, a guide shell mould 12 and impeller mould 13 welding station, a welding cooling station and a finished product blanking station, wherein the four stations are separated by 90 degrees.

Starting to work, the impeller mold conveyor belt 101 and the guide shell mold conveyor belt 201 run; the impeller mold 13 is loaded on the impeller mold conveyor belt 101 from the previous station (bin), slides downwards along the impeller mold conveyor slide 102 after reaching the impeller mold conveyor slide 102 along with the advance of the impeller mold conveyor belt 101, and fails to accurately reach the wax mold clamp 4 after stopping sliding, the operator presses the handle 1113 downwards to enable the auxiliary positioning plate 1110 to descend to be in contact with the impeller mold 13, and at the moment, the vertical return spring 1106 is compressed; the handle 1113 is then slid along the through slot of the horizontal plate 1112, so that the vane 13 feeds the vane 13 into the wax-pattern clamp 4 under the action of the auxiliary positioning plate 1110 (the cap 1302 of the vane 13 is located in the through slot of the clamp bottom plate 401, the cap 1302 of the vane 13 is located inside the contour block 402, and the blades 1301 of the vane 13 are located outside the contour block 402), at which time the horizontal return spring 1105 is compressed. Then, when the sliding seat 1103 slides along the through groove of the horizontal plate 1112 until the auxiliary positioning plate 1110 and the contact switch on the wax mold fixture 4 are turned on (or an operator observes that the impeller mold 13 is completely placed in the wax mold fixture 4, or the auxiliary positioning plate 1110 is attached to the edge of the wax mold fixture 4), the cylinder 904 drives the positioning jackscrew housing 902 to move upward, and after the positioning jackscrew thimble 901 butts against the opening of the columnar portion 1303 of the impeller mold 13, the positioning jackscrew thimble 901 continues to move upward to move downward relative to the positioning jackscrew housing 902 to compress the soft spring 903, so that the positioning and jacking of the impeller mold 13 are realized by the spring force of the soft spring 903, and the feeding process of the impeller mold 13 is completed.

When the operator releases the handle 1113, the compressed vertical return spring 1106 and horizontal return spring 1105 rebound and return to the original positions. Then the motor 10 drives the rotating surface of the rotating table 3 to rotate, and further drives the wax mold clamp 4 (i.e. the wax mold clamp with the impeller mold 13 clamped) of the impeller mold feeding station to rotate to the welding station of the guide shell mold 12 and the impeller mold 13.

The shell guide die 12 is loaded onto the shell guide die conveyor belt 201 from the previous station (bin), and slides downwards along the shell guide die conveyor chute 202 after advancing to the shell guide die conveyor belt 202 along with the shell guide die conveyor belt 201 until the tail end of the shell guide die conveyor chute 202 is blocked by a baffle; the moving device 7 drives the guide shell mold clamping mechanism 6 to move to the guide shell mold 12 and flexibly clamp the guide shell mold 12, and then drives the guide shell mold clamping mechanism 6 to move to the position right above the atomizing nozzle 804; the atomized welding liquid sprayed from the atomizing nozzle 804 is uniformly sprayed on the guide shell mold 12. After the spraying is finished, the moving device 7 drives the guide shell mold clamping mechanism 6 to ascend, and the moving device 7 moves the guide shell mold clamping mechanism 6 to be positioned above a wax mold clamp 4 which is positioned at a welding station of a guide shell mold 12 and an impeller mold 13 and clamps the impeller mold 13 and is opposite to the impeller mold 13 at the welding station; the moving device 7 drives the guide shell mold clamping mechanism 6 to descend, the guide shell mold 12 sprayed with the welding liquid is placed on the blade 1301 of the impeller mold 13 exposed outside the wax mold clamp 4, and wax mold welding is completed after pressing and reinforcing. During the press strengthening process, the soft spring 903 is compressed to prevent the wax mold from being crushed, and higher welding quality can be obtained.

After welding, the wax mould finished product rotates to a welding cooling station along with the rotary worktable 3 to complete cooling, and continues to rotate to a finished product blanking station. The wax mould finished product positioned at the finished product blanking station is pushed out of the wax mould clamp 4 by the wax mould finished product blanking mechanism 5 to finish the finished product blanking, and then the whole welding process is finished. Meanwhile, the splicing process of the next cycle is finished to the welding station, and the processes are sequentially and circularly operated. The rotary worktable 3 rotates to sequentially complete four processes of feeding of the impeller mold 13, welding of the guide shell mold 12 and the impeller mold 13, welding and cooling and finished product blanking.

The utility model discloses the nothing is mentioned the part and is applicable to prior art.

Claims

1. A wax pattern welding system is characterized by comprising an impeller pattern conveying mechanism, a guide shell pattern conveying mechanism, a rotary workbench, a wax pattern clamp, a guide shell pattern clamping mechanism, a moving device, a welding liquid spraying mechanism, a positioning and jacking mechanism and an impeller pattern feeding mechanism;

the shell guide mold conveying mechanism is arranged on the ground and used for conveying the shell guide mold; the tail end of the guide shell mold conveying mechanism is provided with a baffle plate for blocking the guide shell mold conveyed to the tail end of the guide shell mold conveying mechanism, so that the guide shell mold clamping mechanism can conveniently grab the guide shell mold; the moving device is placed on the ground and is positioned behind the shell guide die conveying mechanism; the guide shell mold clamping mechanism is arranged on the moving device, and the moving device drives the guide shell mold clamping mechanism to move, so that the guide shell mold clamping mechanism moves to the guide shell mold conveying mechanism to grab the guide shell mold; during the use, welding liquid spraying mechanism is located and leads shell mould fixture below, and inside is equipped with the welding liquid, can evenly spray the welding liquid after the atomizing on leading the shell mould.

2. The wax pattern welding system of claim 1, further comprising a wax pattern finish blanking mechanism; the wax pattern finished product discharging mechanism is arranged on a rack of the rotary working table, is positioned on the upper part of a rotating surface of the rotary working table, corresponds to the other wax pattern clamp, and is used for pushing the wax pattern finished product out to the next station.

3. The wax pattern welding system of claim 1, wherein the impeller pattern delivery mechanism includes an impeller pattern conveyor belt and an impeller pattern delivery chute; the impeller mould conveyor belt is arranged on the ground, and the tail end of the impeller mould conveyor belt is connected with one end of the impeller mould conveying slide way; the other end of the impeller mould conveying slide way is connected with one of the wax mould clamps.

4. The wax pattern welding system of claim 1 or 3, wherein the impeller pattern feed mechanism comprises a base, a vertical guide bar, a limiting block, a horizontal guide bar, a horizontal return spring, a vertical sliding block, a right-angle adapter, a cross connecting bar, an auxiliary positioning plate, a vertical connecting bar, and a horizontal plate;

the base is arranged on the ground; the horizontal plate is fixed on the base; two ends of the vertical guide rod are respectively fixed on the base and the horizontal plate; the vertical sliding block is nested outside the vertical guide rod, is in clearance fit with the vertical guide rod and can slide along the vertical guide rod; the vertical return spring is nested outside the vertical guide rod, one end of the vertical return spring is connected or contacted with the base, and the other end of the vertical return spring is connected or contacted with the vertical sliding block; the horizontal plate is provided with a through groove, a limiting block is fixed on the vertical connecting rod, and the size of the limiting block and the size of the vertical sliding block are larger than that of the through groove of the horizontal plate and used for limiting the vertical connecting rod; one end of the vertical connecting rod is provided with a through hole, the end penetrates through the through groove of the horizontal plate, and the other end of the vertical connecting rod is connected with the horizontal connecting rod through a right-angle adapter; the auxiliary positioning plate is fixed on the transverse connecting rod; the auxiliary positioning plate is positioned between an impeller mold conveying slide way of the impeller mold conveying mechanism and the wax mold clamp, and can be attached to the edge of the wax mold clamp so as to complete auxiliary positioning of the impeller mold; one end of the horizontal guide rod penetrates through the through hole at the opening end of the vertical connecting rod and is connected with the vertical sliding block; the horizontal reset spring is nested in the outer side of the horizontal guide rod, one end of the horizontal reset spring is connected or contacted with the other end of the horizontal guide rod, and the other end of the horizontal reset spring is connected or contacted with the opening end of the vertical connecting rod.

5. The wax pattern welding system of claim 4, wherein the limiting block is provided with a handle for being held by a human hand; the auxiliary positioning plate is provided with an opening, and the shape of the opening is matched with the shape of an impeller mold conveying slideway of the impeller mold conveying mechanism.

6. The wax pattern welding system of claim 1 or 3, wherein the wax pattern clamp comprises a clamp base plate and a contour block; the clamp bottom plate is fixed on the upper surface of the rotating surface of the rotary worktable; the fixture bottom plate is provided with a through groove, the through groove is connected with an impeller mold conveying slide way of the impeller mold conveying mechanism and is matched with the impeller mold conveying slide way in size, and the through groove is used for moving the columnar part of the impeller mold from the impeller mold conveying slide way to the through groove of the fixture bottom plate; the profiling block is fixed on the clamp bottom plate and is positioned outside the through groove of the clamp bottom plate; the shape of the inner part of the profiling block is matched with the cap-shaped part of the impeller mould; the profiling block is not provided with a top cover, and blades of the impeller mold extend out of the profiling block from the top of the profiling block to realize that the impeller mold is arranged in the wax mold clamp.

7. The wax pattern welding system of claim 6, wherein the positioning and tightening mechanism comprises a positioning jackscrew thimble, a positioning jackscrew housing, a soft spring, a cylinder and a frame body; the frame body is fixed on a frame of the rotary working table, and the air cylinder is fixed on the frame body; the positioning jackscrew shell is fixedly connected with a cylinder shaft of the cylinder; the upper part of the positioning jackscrew shell is provided with a through hole; the positioning jackscrew ejector pin is clamped in the positioning jackscrew shell and is in clearance fit with the positioning jackscrew shell, and the end part of the positioning jackscrew ejector pin extends out of the positioning jackscrew shell from the through hole of the positioning jackscrew shell and can be contacted with an impeller mold in the wax mold clamp; the soft spring is arranged between the positioning jackscrew thimble and the positioning jackscrew shell.

8. The wax pattern welding system of claim 1, wherein the guided shell pattern transport mechanism comprises a guided shell pattern conveyor belt and a guided shell pattern transport chute; the shell guide mould conveying belt is arranged on the ground, and the tail end of the shell guide mould conveying belt is connected with one end of the shell guide mould conveying slide way; the other end of the guide shell mold conveying slide way is provided with a baffle plate for blocking the guide shell mold sliding to the tail end along the guide shell mold conveying slide way, so that the guide shell mold clamping mechanism can conveniently grab.

9. The wax pattern welding system of claim 1, wherein the movement device comprises a z-direction movement mechanism and at least one of an x-direction movement mechanism or a y-direction movement mechanism.

10. The wax pattern welding system of claim 1, wherein the welding liquid spraying mechanism comprises a welding liquid peristaltic pump, a welding liquid incubator, a hose, an atomizing nozzle, a gas compression pump, a condensate return device and a hard pipe;

two ends of the welding liquid peristaltic pump are respectively connected with the welding liquid heat preservation box and one end of the hard tube in a sealing way through hoses; the hard tube penetrates through the welding liquid heat insulation box and is fixed on the welding liquid heat insulation box, and the tail end of the hard tube is hermetically connected with the atomizing nozzle; two ends of the gas compression pump are respectively connected with the welding liquid heat preservation box and one end of the condensation reflux device in a sealing way through hoses; the other end of the condensation reflux device is hermetically connected with the welding liquid heat preservation box through a hose; the welding liquid is filled in the welding liquid insulation can.