Wax mold combination system

Abstract

The invention relates to a wax mold combination system, belongs to the technical field of precision casting, and solves the problem of low artificial wax mold combination efficiency in the prior art. The device comprises a material loading unit, a grabbing unit, a welding unit, a waxing unit, a combined rotary table, an unloading unit, a storage unit and a controller, wherein the grabbing unit is used for grabbing and moving a product wax mold and a mold head; the welding unit is used for welding a product wax mold group to the mold head to form a wax mold group; the waxing unit is used for filling welding seams; the unloading unit is used for grabbing and moving the wax pattern module; the controller is connected with the grabbing unit, the welding unit, the waxing unit, the combined rotary table and the discharging unit and can control the grabbing unit, the welding unit, the waxing unit, the combined rotary table and the discharging unit to cooperatively act to combine a product wax mold and a mold head, and a wax mold module is formed. According to the wax mold assembling device, automatic wax mold assembling is achieved, manual operation is reduced, the wax mold assembling efficiency is improved, and meanwhile the personnel safety in the wax mold assembling process is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of precision casting, and in particular to a wax mold assembly system. Background Art

[0002] Wax casting, also known as lost wax casting, is widely used in the precision casting industry due to its convenience in mass production and precision consistency. It is the key to the molding of precision casting products. Wax mold assembly is a key process in wax casting. Wax mold assembly is the process of welding multiple product wax molds to the die head to form a wax mold assembly.

[0003] In the process of wax casting, traditional wax mold assembly is mostly done manually, which has the following disadvantages: first, the labor intensity is high and the efficiency of wax mold assembly is low; second, the product quality is unstable and the product yield cannot be guaranteed; third, the heating temperature of the wax is above 200 degrees, which is very high and poses a safety hazard. Summary of the invention

[0004] In view of the above analysis, the present invention aims to provide a wax model assembly system to solve the problem of low efficiency of artificial wax model assembly in the prior art.

[0005] The purpose of the present invention is mainly achieved through the following technical solutions:

[0006] A wax model combination system includes a grabbing unit, a welding unit, a wax coating unit, a combined turntable, a discharge unit and a controller, wherein the grabbing unit is used to grab and move the product wax model and the die head; the welding unit is used to weld the product wax model group to the die head to form a wax model module; the wax coating unit is used to fill the weld; the discharge unit is used to grab and move the wax model module; the controller is connected to the grabbing unit, the welding unit, the wax coating unit, the combined turntable and the discharge unit, and can control the grabbing unit, the welding unit, the wax coating unit, the combined turntable and the discharge unit to work together to combine the product wax model and the die head.

[0007] Furthermore, it also includes a loading unit and a storage unit, wherein the loading unit is used to carry the product wax mold and the mold head, and the storage unit is used to load the wax mold module.

[0008] Furthermore, it also includes a mounting frame, and the loading unit, grabbing unit, welding unit, wax coating unit, combined turntable, unloading unit, storage unit and control unit are all fixedly connected to the mounting frame.

[0009] Furthermore, the grasping unit includes a grasping robot, the grasping robot includes a grasping mechanical arm and a grasping quick-change plate, the grasping quick-change plate is installed at the end of the grasping mechanical arm, the grasping quick-change plate is used to connect with the grasping clamp, and the grasping mechanical arm is used to control the movement of the product wax mold and the mold head.

[0010] Furthermore, the welding unit includes a welding robot, the welding robot includes a welding mechanical arm and a welding quick-change plate, the welding quick-change plate is installed at the end of the welding mechanical arm, the welding quick-change plate is used to connect to the welding knife, and the welding mechanical arm is used to control the movement of the welding knife.

[0011] Furthermore, the wax coating unit includes a wax coating robot and a wax dissolving machine.

[0012] Furthermore, the wax coating robot comprises a wax coating robot arm and a wax coating gun.

[0013] Furthermore, the wax coating gun is installed at the end of a wax melting mechanical arm, the wax melting machine is connected to the wax coating gun, the wax melting mechanical arm is used to control the movement of the wax coating gun, and the wax coating gun is used to fill the weld.

[0014] Furthermore, the combined turntable includes a positioner and a positioning bearing tray, and the positioning bearing tray is installed on the positioner.

[0015] Furthermore, the unloading unit includes an unloading robot, which includes an unloading robotic arm and an unloading claw, wherein the unloading claw is installed at the end of the unloading robotic arm, the unloading claw is used to grab or release the wax mold module, and the unloading robotic arm is used to control the movement of the wax mold module.

[0016] The technical solution of the present invention can achieve at least one of the following effects:

[0017] (1) The present invention provides a wax mold assembly system for assembling multiple product wax molds onto a die head to form a wax mold module group; the system includes a loading unit, a grabbing unit, a welding unit, a wax coating unit, a combined turntable, a unloading unit, a storage unit and a controller, wherein the loading unit is used to carry the product wax mold and the die head; the grabbing unit is used to grab and move the product wax mold and the die head; the welding unit is used to weld the product wax mold group onto the die head to form a wax mold module; the wax coating unit is used to fill the weld; the unloading unit is used to grab and move the wax mold module; the storage unit is used to load the wax mold module; the controller is connected to the grabbing unit, the welding unit, the wax coating unit, the combined turntable and the unloading unit, so as to control the grabbing unit, the welding unit, the wax coating unit, the combined turntable and the unloading unit to work together to achieve rapid wax mold assembly; the present invention realizes automatic wax mold assembly, reduces manual operation, improves wax mold assembly efficiency, and also ensures personnel safety during the wax mold assembly process.

[0018] (2) The welding unit of the present invention includes a welding knife cleaning device, which includes a chassis and a cleaning mechanism, wherein the chassis has a working chamber; the cleaning mechanism is installed in the working chamber of the chassis and is used to quickly clean the welding knife; the cleaning mechanism includes a temperature control component and a purge component, wherein the temperature control component is connected to an external gas source and is used to buffer and heat the compressed gas input from the external gas source so that the compressed gas reaches a dewaxing temperature; the purge component is connected to the temperature control component, and the purge component is used to blow out high-temperature compressed gas to remove the residual waste wax on the welding knife, quickly clean the welding knife, and keep the welding knife clean; the present invention achieves the elimination of the need for an operator to manually wipe off the residual waste wax on the welding knife, while also preventing the waste wax from splashing, thereby not only improving the safety of cleaning the welding knife, but also improving the cleaning efficiency of the welding knife.

[0019] (3) The purge assembly of the present invention also includes a pulse generating assembly, which includes a pulse body and a fan blade. The pulse body can rotate along the circumference of the purge assembly body; a second air hole is provided on the pulse body, and the second air hole can be intermittently connected with the first air hole; the fan blade is arranged on the pulse body and is opposite to the connecting air passage; the compressed gas heated in the first air chamber is filled into the second air chamber through the connecting air passage. Since the fan blade is opposite to the connecting air passage, the compressed gas acts on the fan blade. After the fan blade is subjected to force, it drives the pulse body to rotate. The rotation of the pulse body can realize the control of the intermittent connection between the second air hole and the first air hole, and then realize the control of the nozzle and the second air chamber to be alternately connected and disconnected, so as to realize the blowing of pulsed high-temperature compressed gas from the nozzle, thereby improving the efficiency of removing the melted waste wax on the welding knife and the cleaning quality.

[0020] (4) The nozzle of the present invention is rotatably connected to the main body of the purging assembly, so that the nozzle can swing up and down; the purging assembly also includes a transmission system, and the nozzle is connected to the pulse body in the pulse generating assembly through the transmission system, so that the pulse body rotates along the axis of the purging assembly main body and drives the nozzle to swing synchronously, thereby achieving the nozzle blowing out pulsed high-temperature compressed gas while allowing the blown pulsed high-temperature compressed gas to swing along the vertical direction of the welding knife to perform pulse purging on the entire welding knife, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0021] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the subsequent description, and some advantages can become obvious from the description, or can be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings are only for the purpose of illustrating specific embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.

[0023] Figure 1 It is a structural schematic diagram of a wax model assembly system in an embodiment of the present invention;

[0024] Figure 2 It is a structural schematic diagram of a grabbing unit in an embodiment of the present invention;

[0025] Figure 3 A schematic diagram of the structure of a welding unit in an embodiment of the present invention;

[0026] Figure 4 This is a schematic structural diagram of a wax coating unit in an embodiment of the present invention;

[0027] Figure 5 It is a structural schematic diagram of a combined turntable in an embodiment of the present invention;

[0028] Figure 6 Schematic diagram of the structure of the welding knife cleaning device in an embodiment of the present invention;

[0029] Figure 7 It is a structural schematic diagram of a cleaning mechanism in an embodiment of the present invention;

[0030] Figure 8 is a cross-sectional view of a temperature control component in an embodiment of the present invention;

[0031] Fig. 9 is a cross-sectional view of a purge assembly according to an embodiment of the present invention;

[0032] Fig.10 A cross-sectional view of a temperature control component body in an embodiment of the present invention;

[0033] Fig.11 is a cross-sectional view of a pulse generating component in an embodiment of the present invention;

[0034] Fig.12 A schematic diagram of the structure of a nozzle in an embodiment of the present invention;

[0035] Fig.13 for Fig. 9 Middle A is a partial enlarged view;

[0036] Fig.14 It is a structural schematic diagram of a working chamber cleaning mechanism in an embodiment of the present invention;

[0037] Fig.15 4 is a cross-sectional view of a chassis in an embodiment of the present invention.

[0038] Reference numerals:

[0039] 1. Loading unit; 2. Grabbing unit; 21. Grabbing robot; 22. Grabbing tool library; 23. Waxing pool; 3. Welding unit; 31. Welding robot; 32. Welding tool library; 33. Welding knife cleaning device; 331. Chassis; 332. Cleaning mechanism; 3321. Temperature control component; 33211. Temperature control component body; 332111. First air chamber; 332112. Connecting air duct; 33212. Temperature controller; 3322. Purge component; 33221. Purge component body; 332211. First vent hole; 332212. Second air chamber; 332213. Support seat; 33222. Nozzle; 332221. Nozzle body; 332222. Nozzle; 332223. Third air chamber ; 332224, slide; 33223, pulse generating component; 332231, pulse body; 332232, fan blade; 332233, second vent; 33224, transmission system; 332241, first gear; 332242, second gear; 332243, third gear; 332244, volute spring; 332245, follower ring; 333, working chamber cleaning mechanism; 3331, water tank; 3332, water pump; 3333, water storage chamber; 3333, filter plate; 4, wax coating unit; 41, wax coating robot; 42, wax dissolving machine; 5, combined turntable; 51, positioner; 52, positioning tray; 6, unloading unit; 7, storage unit; 8, controller; 9, installation frame. DETAILED DESCRIPTION

[0040] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0041] Example 1

[0042] A specific embodiment of the present invention discloses a wax mold assembly system for assembling multiple product wax molds onto a mold head to form a wax mold module set; Figure 1As shown, it includes a loading unit 1, a grabbing unit 2, a welding unit 3, a wax coating unit 4, a combined turntable 5, a discharging unit 6, a storage unit 7 and a controller 8, wherein the loading unit 1 is used to carry the product wax mold and the die head; the grabbing unit 2 is used to grab and move the product wax mold and the die head, that is, grab the product wax mold and the die head from the loading unit 1, and move the product wax mold and the die head to the combined turntable 5; the welding unit 3 is used to weld the product wax mold to the die head to form a wax mold module; the wax coating unit 4 is used to fill the weld to improve the welding quality of the product wax mold and the die head; the discharging unit 6 is used to grab and move the product wax mold and the die head. The wax mold module is moved, that is, the wax mold module is grabbed from the combined turntable 5, and the wax mold module is moved to the storage unit 7; the storage unit 7 is used to load the wax mold module; the controller 8 is connected with the grabbing unit 2, the welding unit 3, the wax coating unit 4, the combined turntable 5 and the unloading unit 6, so as to control the grabbing unit 2, the welding unit 3, the wax coating unit 4, the combined turntable 5 and the unloading unit 6 to coordinate and realize rapid wax mold assembly; compared with the prior art, this embodiment realizes automatic wax mold assembly, reduces manual operation, improves the wax mold assembly efficiency, and also ensures the safety of personnel during the wax mold assembly process.

[0043] Preferably, the wax model assembly system also includes an installation frame 9, and the loading unit 1, the grabbing unit 2, the welding unit 3, the wax coating unit 4, the combined turntable 5, the unloading unit 6, the placement unit 7 and the controller 8 are all fixedly connected to the installation frame 9, and the installation frame 9 is used to provide a stable installation foundation for the loading unit 1, the grabbing unit 2, the welding unit 3, the wax coating unit 4, the combined turntable 5, the unloading unit 6, the placement unit 7 and the controller 8, so as to avoid the grabbing unit 2, the welding unit 3, the wax coating unit 4, the combined turntable 5 and the unloading unit 6 from vibrating during the movement, thereby enabling the grabbing unit 2, the welding unit 3, the wax coating unit 4, the combined turntable 5 and the unloading unit 6 to maintain stable movement, so as to improve the accuracy of the wax model assembly, and thus improve the casting accuracy.

[0044] Preferably, the loading unit 1 includes a loading cart and a loading tray, the loading tray is installed on the loading cart and is used to hold the product wax mold and die head; the loading cart is an AGV cart, which is used to transport the product wax mold and die head to a designated location, thereby facilitating the grasping unit 2 to grasp and move the product wax mold and die head.

[0045] Preferably, the material carrier is provided with a positioning lock, through which the material carrier and the mounting frame 9 can be positioned and locked, thereby ensuring that the grabbing unit 2 can accurately grab the product wax mold and die head from the material carrier, thereby improving the accuracy of the wax mold assembly.

[0046] Preferably, if Figure 2As shown, the grasping unit 2 includes a grasping robot 21 and a grasping tool library 22. The grasping tool library 22 is filled with grasping claws of different types to meet the needs of grasping wax molds and mold heads of products with different specifications. The grasping robot 21 includes a grasping mechanical arm and a grasping quick-change disk. The grasping quick-change disk is installed at the end of the grasping mechanical arm. The grasping quick-change disk is used to quickly connect with grasping claws of corresponding types placed in the grasping tool library 22 according to the needs of wax molds and mold heads of products with different specifications, so as to grasp wax molds and mold heads of products with different specifications. The grasping mechanical arm is used to control the movement of the product wax molds and mold heads.

[0047] Preferably, the grabbing robot arm, grabbing quick-change plate and grabbing claws are all connected to the controller 8, and the controller 8 controls the movements of the grabbing robot arm, grabbing quick-change plate and grabbing claws to achieve automatic grabbing and moving of product wax molds and die heads.

[0048] Preferably, the grasping robot 21 also includes a visual camera, which is installed at the end of the grasping mechanical arm. The visual camera is connected to the controller 8 and is used to identify the product wax mold, die head and grasping claws, so as to realize the rapid replacement of the grasping claws according to the wax molds and die heads of products with different specifications, and then guide the grasping robot 21 to grasp and move the wax molds and die heads of products with different specifications; the visual camera is also used to perform quality inspection on the wax mold combination, and when quality problems occur, it will promptly feedback to the controller 8, and the controller 8 will promptly remind manual intervention for processing.

[0049] Preferably, the gripping unit 2 further comprises a wax melting pool 23, and the wax melting pool 23 is used to melt wax liquid for use when wax is adhered to the product wax mold.

[0050] Preferably, if Figure 3 As shown, the welding unit 3 includes a welding robot 31 and a welding tool library 32. Different types of welding knives are placed in the welding tool library 32 to meet the needs of welding wax molds and die heads of products with different specifications; the welding robot 31 includes a welding mechanical arm and a welding quick-change plate. The welding quick-change plate is installed at the end of the welding mechanical arm. The welding quick-change plate is used to quickly connect with the corresponding type of welding knives placed in the welding tool library 32 according to the needs of wax molds and die heads of products with different specifications, so as to perform assembly welding on wax molds and die heads of products with different specifications.

[0051] Preferably, the welding robot arm, the welding quick-change plate and the welding knife are all connected to the controller 8, and the controller 8 controls the movements of the welding robot arm, the welding quick-change plate and the welding knife and controls the stability of the welding knife to realize automatic assembly welding of the product wax mold and the die head.

[0052] Preferably, the welding robot 31 also includes an RFID reader, which is installed at the end of the welding robot arm. The RFID reader and the controller 8 are used to identify the welding knife, so as to realize the rapid replacement of the welding knife according to the combination requirements of product wax molds and die heads of different specifications, and then realize the combination of product wax molds and die heads of different specifications and different positions of the product wax mold and the die head.

[0053] Preferably, the welding unit 3 further comprises a welding knife cleaning device 33, and the welding knife cleaning device 33 is used to clean the waste wax remaining on the welding knife, so as to keep the welding knife clean, thereby improving the welding accuracy and welding quality.

[0054] Preferably, the welding knife is an electric hot welding knife in the prior art.

[0055] Preferably, if Figure 4 As shown, the wax coating unit 4 includes a wax coating robot 41 and a wax melting machine 42. The wax coating robot 41 includes a wax melting mechanical arm and a wax coating gun. The wax coating gun is installed at the end of the wax melting mechanical arm. The wax melting machine 42 is connected to the wax coating gun. The wax melting mechanical arm is used to control the movement of the wax coating gun. The wax melting machine 42 is used to melt wax and transport wax liquid to the wax coating gun. The wax coating gun is used to fill the weld, thereby improving the assembly welding quality of the product wax mold and the die head.

[0056] Preferably, the wax dissolving robot arm, wax coating gun and wax dissolving machine 42 are all connected to the controller 8, and the controller 8 controls the actions of the wax dissolving robot arm, wax coating gun and wax dissolving machine 42 to automatically fill the welds of the product wax mold and the die head after solder masking.

[0057] Preferably, if Figure 5 As shown, the combined turntable 5 includes a positioner 51 and a positioning tray 52. ​​The positioning tray 52 can be detachably mounted on the positioner 51. The positioning tray 52 is used as a workbench. The positioner 51 has two degrees of freedom, so as to realize welding of different positions of the product wax mold and the die head.

[0058] Preferably, the positioner 51 is connected to the controller 8, and the controller 8 controls the movement of the positioner 51 to achieve welding of different positions of the product wax mold with the die head.

[0059] Preferably, the positioner 51 adopts an L-shaped positioner in the prior art, which has two degrees of freedom; the positioning tray 52 adopts a wax model combination tray in the prior art, and a positioning tray 52 of corresponding size can be used according to the size of the combined wax model.

[0060] Preferably, the unloading unit 6 includes an unloading robot, which includes an unloading robot arm and an unloading claw. The unloading claw is installed at the end of the unloading robot arm and is used to grab or release the wax mold module. The unloading robot arm is used to control the movement of the wax mold module.

[0061] Preferably, the unloading robot arm and the unloading clamp are both connected to the controller 8, and the controller 8 controls the actions of the unloading robot arm and the unloading clamp to realize automatic grasping, releasing and moving of the wax model module.

[0062] Preferably, the storage unit 7 includes a storage trolley and a storage tray, the storage tray is installed on the storage trolley and is used to hold the wax model module; the loading trolley is an AGV trolley, which is used to transport the wax model module to a designated location.

[0063] Preferably, the storage trolley is provided with a positioning lock, through which the storage trolley and the mounting frame 9 can be positioned and locked, thereby ensuring that the unloading unit 6 can accurately transfer the wax model module assembled on the combination turntable 5 to the storage tray.

[0064] Preferably, if Figure 6 As shown, the welding knife cleaning device 33 includes a chassis 331 and a cleaning mechanism 332. The chassis 331 has a working chamber, and an opening is formed at the top of the working chamber, and the opening can facilitate the insertion of the welding knife into the working chamber; the cleaning mechanism 332 is installed in the working chamber of the chassis 331 and is opposite to the opening of the working chamber. When the welding knife is inserted into the working chamber from the opening, the cleaning mechanism 332 quickly cleans the welding knife; by quickly cleaning the welding knife through the cleaning mechanism 332 in the working chamber of the chassis 331, splashing of waste wax is avoided, which not only improves the safety of cleaning the welding knife, but also improves the cleaning efficiency of the welding knife.

[0065] Preferably, if Figure 7 As shown, the cleaning mechanism 332 includes a temperature control component 3321 and a purge component 3322. The temperature control component 3321 is fixedly connected to the chassis 331 and connected to an external gas source. The temperature control component 3321 is used to buffer and heat the compressed gas input from the external gas source so that the compressed gas reaches the dewaxing temperature; the purge component 3322 is connected to the temperature control component 3321, and is used to blow out high-temperature compressed gas to remove the waste wax remaining on the welding knife, quickly clean the welding knife, keep the welding knife clean, avoid the operator manually wiping the welding knife, improve the safety of cleaning the welding knife, avoid burns to the operator, and eliminate safety hazards.

[0066] Preferably, if Figure 8As shown, the temperature control component 3321 includes a temperature control component body 33211 and a temperature controller 33212, and the temperature control component body 33211 is fixedly mounted on the chassis 331; the temperature control component body 33211 has a first air chamber 332111, and the first air chamber 332111 is connected to an external air source, and the first air chamber 332111 is used to cache the compressed gas input from the external air source; the temperature controller 33212 is arranged in the first air chamber 332111, and is used to heat the compressed gas cached in the first air chamber 332111, so that the compressed gas reaches the temperature required for dewaxing; because the first air chamber 332111 has a caching effect, the temperature controller 33212 can fully heat the compressed gas, so that the compressed gas is heated evenly and the heating efficiency is improved, so that the blown high-temperature compressed gas can quickly melt the waste wax remaining on the welding knife, thereby improving the efficiency and cleaning quality of the welding knife.

[0067] Preferably, a connecting air duct 332112 is provided on the temperature control component body 33211, and the connecting air duct 332112 is connected to the purge component 3322, and is used to transport the compressed gas heated in the first air chamber 332111 to the purge component 3322, so as to remove the waste wax remaining on the welding knife through the purge component 3322.

[0068] Preferably, the aperture of the connecting air duct 332112 is smaller than the aperture of the connection between the first air chamber 332111 and the external air source, so that the compressed gas filled into the first air chamber 332111 by the external air source will not be directly delivered to the purge assembly 3322, but will first fill the first air chamber 332111 for buffering, thereby enabling the temperature controller 33212 to fully heat the compressed gas and heat the compressed gas evenly, so that the high-temperature compressed gas blown out can quickly melt the waste wax remaining on the welding knife, thereby improving the efficiency and quality of cleaning the welding knife.

[0069] Preferably, if Fig. 9 and Fig.10As shown, the purge assembly 3322 includes a purge assembly body 33221 and a nozzle 33222, and the purge assembly body 33221 is fixedly mounted on the temperature control assembly body 33211; the purge assembly body 33221 has a first vent hole 332211 and a second air chamber 332212, and the second air chamber 332212 is connected to the first air chamber 332111 through a connecting air passage 332112, so that the compressed gas heated in the first air chamber 332111 is input into the second air chamber 332111. air chamber 332212; the first air hole 332211 is connected with the second air chamber 332212; the nozzle 33222 is installed on the purge assembly body 33221, and is arranged opposite to the first air hole 332211, and is connected with the second air chamber 332212 through the first air hole 332211, and the nozzle 33222 is used to guide the high-temperature compressed gas in the second air chamber 332212 to blow toward the welding knife, so as to melt and remove the waste wax remaining on the welding knife, so as to keep the welding knife clean.

[0070] Preferably, a plurality of nozzles 33222 are provided; a plurality of first air holes 332211 are provided, and the number of the first air holes 332211 and the number of nozzles 33222 are equal; a plurality of the first air holes 332211 and a plurality of the nozzles 33222 are arranged one by one opposite to each other; a plurality of the nozzles 33222 are evenly arranged on the circumference of the purge assembly body 33221, so that high-temperature compressed gas can be blown toward the welding knife from multiple directions, further accelerating the melting speed of the waste wax remaining on the welding knife, and clearing the melted waste wax on the welding knife from multiple directions to clear the waste wax remaining in the dead corners of the welding knife, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0071] Preferably, a plurality of connecting air channels 332112 are provided, and the plurality of connecting air channels 332112 are evenly arranged around the circumference, so that the high-temperature compressed gas cached in the first air chamber 332111 can be quickly filled into the second air chamber 332212 and quickly fill the second air chamber 332212, thereby enabling the plurality of nozzles 33222 to synchronously blow out high-temperature compressed gas and ensure that the temperature of the high-temperature compressed gas blown toward the welding knife from multiple directions is the same, thereby avoiding the phenomenon that the melted waste wax solidifies at the low temperature on the welding knife due to uneven temperature, thereby further improving the cleaning quality of the welding knife.

[0072] Preferably, the temperature control component body 33211 is annular; and the first air chamber 332111 is an annular cavity.

[0073] Preferably, the temperature controller 33212 is an electric heating resistance wire in the prior art.

[0074] Preferably, the purge component 3322 also includes a pulse generating component 33223, which is arranged in the purge component body 33221, and is used to control the nozzle 33222 to blow out pulsed high-temperature compressed gas, thereby realizing pulsed blowing on the welding knife, further improving the efficiency of removing melted waste wax on the welding knife, and further improving the cleaning quality of the welding knife.

[0075] Preferably, the purge assembly body 33221 is a polygonal annular structure, the second air chamber 332212 is an annular air cavity, the pulse generating assembly 33223 is arranged in the second air chamber 332212, and can rotate in the second air chamber 332212 along the axis of the purge assembly body 33221. The pulse generating assembly 33223 rotates in the second air chamber 332212 to control the opening and closing of the first air hole 332211, thereby controlling the nozzle 33222 and the second air chamber 332212 to be alternately connected and disconnected, so as to blow out pulsed high-temperature compressed gas from the nozzle 33222, thereby improving the efficiency of removing melted waste wax on the welding knife and the cleaning quality.

[0076] Preferably, if Fig.11 As shown, the pulse generating component 33223 includes a pulse body 332231 and a fan blade 332232, wherein the pulse body 332231 is an annular structure; the pulse body 332231 is arranged in the second air chamber 332212, and can rotate in the second air chamber 332212 along the axis of the purge component body 33221; a second vent hole 332233 is provided on the pulse body 332231, and the second vent hole 332233 can be intermittently connected with the first vent hole 332211; the fan blade 332232 is arranged on the pulse body 332231, and is opposite to the connecting airway 332112; The compressed gas heated in 11 is filled into the second air chamber 332212 through the connecting air channel 332112. Since the fan blades 332232 are opposite to the connecting air channel 332112, the compressed gas acts on the fan blades 332232. After the fan blades 332232 are subjected to force, the pulse body 332231 is driven to rotate. The pulse body 332231 rotates to control the second air hole 332233 to be intermittently connected with the first air hole 332211, thereby controlling the nozzle 33222 to be alternately connected and disconnected with the second air chamber 332212, so that pulsed high-temperature compressed gas is blown out from the nozzle 33222, thereby improving the efficiency of removing the melted waste wax on the welding knife and the cleaning quality.

[0077] Preferably, the nozzle 33222 is rotatably connected to the purge assembly body 33221, so that the nozzle 33222 can swing up and down, and then the high-temperature compressed gas blown out by the nozzle 33222 can swing along the vertical direction of the welding knife to purge the entire welding knife. The entire welding knife can be cleaned without manually moving the welding knife in the vertical direction, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0078] Preferably, if Fig.12 As shown, the nozzle 33222 includes a nozzle body 332221 and a nozzle 332222, the nozzle body 332221 is sleeved on the purge assembly body 33221, and can reciprocate, i.e. swing, on the purge assembly body 33221; the nozzle 332222 is arranged on the nozzle body 332221, and can swing with the swing of the nozzle body 332221, so that the high-temperature compressed gas blown out through the nozzle 332222 can swing along the vertical direction of the welding knife to purge the entire welding knife, thereby achieving cleaning of the entire welding knife and improving the cleaning efficiency and cleaning quality of the welding knife.

[0079] Preferably, a third air chamber 332223 is provided on the nozzle body 332221 , and the nozzle 332222 is in communication with the third air chamber 332223 ; the third air chamber 332223 is also in communication with the first vent hole 332211 , so that the nozzle 332222 is in communication with the second air chamber 332212 .

[0080] Preferably, the third air chamber 332223 is an annular cavity, so that when the nozzle body 332221 swings, the nozzle 332222 can always maintain communication with the second air chamber 332212, thereby achieving continuous purging of the entire welding knife through the nozzle 332222, thereby improving the cleaning efficiency and cleaning quality of the welding knife.

[0081] Preferably, the purge component 3322 also includes a transmission system 33224, and the nozzle 33222 is connected to the pulse body 332231 in the pulse generating component 33223 through the transmission system 33224, so that the pulse body 332231 rotates circumferentially along the axis of the purge component body 33221 while driving the nozzle 33222 to swing synchronously, thereby achieving the nozzle 33222 blowing out pulsed high-temperature compressed gas while allowing the blown pulsed high-temperature compressed gas to swing along the vertical direction of the welding knife to perform pulsed purging on the entire welding knife, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0082] Preferably, the pulse body 332231 is also provided with a driving ring gear (not shown in the figure).

[0083] Preferably, if Fig.13As shown, the transmission system 33224 includes a first gear 332241, a second gear 332242, a third gear 332243 and a follower ring 332245. The first gear 332241 is connected to the driving ring teeth on the pulse body 332231. When the pulse body 332231 rotates, it can synchronously drive the first gear 332241 to rotate; the second gear 332242 is fixedly connected to the first gear 332241 through a rotating shaft, so that it can rotate synchronously with the first gear 332241; the third gear 332243 is installed on the purge assembly body 33221 and is rotationally connected to the purge assembly body 33221; the third gear 332243 is intermittently connected to the second gear 332242, so that the third gear 332243 can reciprocate; the follower ring 332245 It is installed on the purge component body 33221 and can rotate in a circle along the axis of the purge component body 33221; the follower ring 332245 is connected to the third gear 332243, and the follower ring 332245 can be driven to reciprocate along the axis of the purge component body 33221 through the third gear 332243; the follower ring 332245 is also connected to the nozzle 33222, and reciprocates along the axis of the purge component body 33221 through the follower ring 332245, thereby driving the nozzle 33222 to swing between 0° and 90° in the vertical direction, thereby achieving the nozzle 33222 blowing out pulsed high-temperature compressed gas while allowing the blown pulsed high-temperature compressed gas to swing along the vertical direction of the welding knife to pulse-purge the entire welding knife, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0084] Preferably, if Fig. 9As shown, the transmission system 33224 also includes a volute spring 332244, one end of the volute spring 332244 is fixedly connected to the purge assembly body 33221, and the other end is fixedly connected to the third gear 332243; the second gear 332242 is a semicircular transmission tooth, so that the third gear 332243 is intermittently connected to the second gear 332242, and the third gear 332243 is intermittently driven to rotate; when the third gear 332243 is connected to the second gear 332242, it can drive the third gear 332243 to rotate, thereby driving the follower ring 332245 to rotate, and at the same time compressing the volute spring 332244; when the third gear 332243 is connected to the second gear 332242, the third gear 332243 can be driven to rotate, thereby driving the follower ring 332245 to rotate, and at the same time compressing the volute spring 332244; when the third gear 332243 is connected to the second gear When the wheel 332242 is disconnected, the third gear 332243 rotates in the opposite direction under the elastic thrust of the vortex spring 332244, thereby driving the follower ring 332245 to rotate in the opposite direction, and the vortex spring 332244 synchronously returns to its initial state, thereby driving the follower ring 332245 to reciprocate along the axis of the purge assembly body 33221, and thereby driving the nozzle 33222 to swing between 0° and 90° in the vertical direction, so that the nozzle 33222 can blow out pulsed high-temperature compressed gas and at the same time enable the blown pulsed high-temperature compressed gas to swing along the vertical direction of the welding knife to perform pulsed purge on the entire welding knife, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0085] Preferably, a support seat 332213 is also provided on the purge assembly body 33221 .

[0086] Preferably, a slide groove 332224 is further provided on the nozzle body 332221, and the slide groove 332224 is a spiral slide groove.

[0087] Preferably, the follower ring 332245 is provided with a follower ring tooth, a protrusion and a supporting groove, and the follower ring tooth is connected to the third gear 332243, so that the follower ring is driven to rotate reciprocatingly in a circular manner by the third gear 332243; the support seat 332213 is inserted into the supporting groove and can slide in the supporting groove, so as to support the follower ring 332245 to rotate reciprocatingly along the axis of the purge assembly body 33221; the protrusion is inserted into the slide groove 332224 and can slide in the slide groove 332224, so that the follower ring 332245 drives the nozzle 33222 to swing between 0° and 90° in the vertical direction, so that the nozzle 33222 blows out pulsed high-temperature compressed gas and at the same time, the blown pulsed high-temperature compressed gas can swing along the vertical direction of the welding knife to perform pulsed purge on the entire welding knife, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0088] Preferably, a plurality of the protrusions are provided, and the number of the protrusions is equal to the number of the nozzles 33222; the plurality of the protrusions and the plurality of the nozzles 33222 are arranged one by one relative to each other, so that when the follower ring 332245 is driven to reciprocate along the axis of the purge assembly body 33221, the plurality of the nozzles 33222 are synchronously driven to swing between 0° and 90° in the vertical direction, so that the nozzle 33222 blows out pulsed high-temperature compressed gas and at the same time the pulsed high-temperature compressed gas can swing along the vertical direction of the welding knife to perform pulsed purge on the entire welding knife, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0089] Preferably, a plurality of support seats 332213 are provided, and the plurality of support seats 332213 are evenly arranged around the circumference, so as to provide stable support for the follower ring 332245, so that the follower ring 332245 can rotate stably, and then drive the plurality of nozzles 33222 to swing stably between 0° and 90° in the vertical direction synchronously, so that the nozzles 33222 can blow out pulsed high-temperature compressed gas and at the same time, the pulsed high-temperature compressed gas can swing along the vertical direction of the welding knife to perform pulsed blowing on the entire welding knife, thereby further improving the cleaning efficiency and cleaning quality of the welding knife.

[0090] Preferably, the welding knife cleaning device 33 also includes a working chamber cleaning mechanism 333, which is arranged on the chassis 331 and is used to clean the waste wax splashed onto the inner wall of the working chamber at any time to avoid the waste wax from accumulating on the inner wall of the working chamber after splashing, thereby achieving manual cleaning-free, convenient and efficient; at the same time, the working chamber cleaning mechanism 333 can also collect the waste wax, thereby realizing the recycling of the waste wax, protecting the environment and saving resources.

[0091] Preferably, the chassis 331 is further provided with a water outlet, and the water outlet is communicated with the working chamber.

[0092] Preferably, if Fig.14 and Fig.15As shown, the working chamber cleaning mechanism 333 includes a water tank 3331, a water pump 3332 and a water storage chamber 3333. The water tank 3331 is arranged at the water outlet of the chassis 331 for collecting and storing water. The water pump 3332 is used to transport the water in the water tank 3331 to the water storage chamber 3333 to realize the recycling of water and avoid wasting water resources. The water storage chamber 3333 is arranged above the working chamber and is used for temporarily storing water. A plurality of micro holes are provided at the connection between the water storage chamber 3333 and the inner wall of the working chamber. Through the multiple micro-holes, the water temporarily stored in the water storage chamber 3333 can flow to the inner wall of the working chamber, thereby forming a water curtain on the inner wall of the working chamber. When the melted waste wax on the welding knife splashes onto the inner wall of the working chamber, the water curtain causes the waste wax splashed onto the inner wall of the working chamber to quickly cool and solidify. Due to the flow of the water curtain, the solidified waste wax will flow with the water curtain, thereby avoiding accumulation on the inner wall of the working chamber, thereby realizing the cleaning of the waste wax splashed onto the inner wall of the working chamber at any time, which is convenient and efficient; and the water flow carries the waste wax out of the water outlet and flows into the water storage tank 3331.

[0093] Preferably, the working chamber cleaning mechanism 333 also includes a filter plate 3334, which is arranged in the water storage tank 3331 and is used to filter the water flowing out of the water outlet, so as to collect the waste wax and filter the water to ensure the water is clean to avoid clogging the micro pores on the water storage chamber 3333.

[0094] Preferably, the inner walls around the working chamber of the chassis 331 are inclined surfaces, so as to ensure that the water flowing out of the micro-pores can fall on the inner walls around the working chamber and form a continuous water curtain, thereby more effectively avoiding the accumulation of solidified waste wax on the inner wall of the working chamber, and also facilitating the water curtain to converge into a water flow, making it convenient for the water flow to carry the waste wax from the water outlet into the water storage tank 3331, thereby facilitating the collection of the waste wax.

[0095] Preferably, the bottom surface of the working chamber of the chassis 331 is an inclined surface, and the water outlet is inclined, which is conducive to the water curtain converging into a water flow, increasing the water flow speed, and facilitating the water flow carrying the waste wax from the water outlet into the water storage tank 3331, thereby facilitating the collection of the waste wax.

[0096] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A wax model assembly system, characterized in that: The invention comprises a grabbing unit (2), a welding unit (3), a wax coating unit (4), a combined turntable (5), a discharge unit (6) and a controller (8), wherein the grabbing unit (2) is used to grab and move a product wax mold and a die head; the welding unit (3) is used to weld a product wax mold group to the die head to form a wax mold group; the wax coating unit (4) is used to fill a weld; the discharge unit (6) is used to grab and move the wax mold group; and the controller (8) is connected to the grabbing unit (2), the welding unit (3), the wax coating unit (4), the combined turntable (5) and the discharge unit (6), and can control the grabbing unit (2), the welding unit (3), the wax coating unit (4), the combined turntable (5) and the discharge unit (6) to coordinately act to combine the product wax mold and the die head.

2. A wax model assembly system according to claim 1, characterized in that: It also comprises a loading unit (1) and a storage unit (7), wherein the loading unit (1) is used to carry the product wax mold and the mold head, and the storage unit (7) is used to load the wax mold module.

3. A wax model assembly system according to claim 2, characterized in that: It also comprises a mounting frame (9), and the loading unit (1), the grabbing unit (2), the welding unit (3), the wax coating unit (4), the combined turntable (5), the unloading unit (6), the placement unit (7) and the control unit (8) are all fixedly connected to the mounting frame (9).

4. A wax model assembly system according to claim 3, characterized in that: The grasping unit (2) comprises a grasping robot (21), the grasping robot (21) comprises a grasping mechanical arm and a grasping quick-change plate, the grasping quick-change plate is installed at the end of the grasping mechanical arm, the grasping quick-change plate is used to connect with the grasping clamping claw, and the grasping mechanical arm is used to control the movement of the product wax mold and the die head.

5. A wax model assembly system according to claim 4, characterized in that: The welding unit (3) comprises a welding robot (31), the welding robot (31) comprises a welding mechanical arm and a welding quick-change plate, the welding quick-change plate is installed at the end of the welding mechanical arm, the welding quick-change plate is used to connect to a welding knife, and the welding mechanical arm is used to control the movement of the welding knife.

6. A wax model assembly system according to claim 5, characterized in that: The wax coating unit (4) comprises a wax coating robot (41) and a wax dissolving machine (42).

7. A wax model assembly system according to claim 6, characterized in that: The wax coating robot (41) comprises a wax dissolving mechanical arm and a wax coating gun.

8. A wax pattern assembly system according to claim 7, characterized in that: The wax coating gun is installed at the end of a wax melting mechanical arm, the wax melting machine (42) is connected to the wax coating gun, the wax melting mechanical arm is used to control the movement of the wax coating gun, and the wax coating gun is used to fill the weld.

9. A wax pattern assembly system according to claim 8, characterized in that: The combined turntable (5) comprises a positioner (51) and a positioning tray (52), wherein the positioning tray (52) is mounted on the positioner (51).

10. A wax model assembly system according to claim 9, characterized in that: The unloading unit (6) comprises an unloading robot, which comprises an unloading mechanical arm and an unloading clamping claw, wherein the unloading clamping claw is installed at the end of the unloading mechanical arm, the unloading clamping claw is used to grasp or release the wax model module, and the unloading mechanical arm is used to control the movement of the wax model module.

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