CN216910762U - Low pressure casting wheel hub mould release agent spraying device - Google Patents

Abstract

The application discloses low pressure casting wheel hub mould release agent spraying device includes: a spraying mechanism comprising a robot; the robot is provided with a holding part and a cross positioning part; the spray gun is held by the holding part; the bearing mechanism is matched with the spraying mechanism for use; the bearing mechanism comprises a sliding table for placing a die; an adjusting assembly is arranged at the bottom of the sliding table; the cross positioning part is moved to the position above the rotating center of the sliding table through the robot, the cross positioning part is used for projecting cross laser to the rotating center, the adjusting assembly is used for driving the sliding table to move, the relative position and the angle of the die and the cross laser are adjusted, the center of the cross laser at the center of the die is overlapped, the angle is perpendicular to the cross laser, and the robot is used for driving the spray gun to carry out spraying operation according to a set program track. This application utilizes the robot to replace manual operation, realizes improving spraying precision and work efficiency, improves the spraying effect, practices thrift the purpose of cost of manufacture.

Description

Low pressure casting wheel hub mould release agent spraying device

Technical Field

The disclosure generally relates to the technical field of casting equipment, in particular to a release agent spraying device for a low-pressure casting hub mold.

Background

The die for the aluminum alloy hub is important process equipment in the hub forming process, and the reliability of the die-casting die directly influences the quality of the aluminum alloy hub. The mold surface release agent has very important significance for low-pressure casting, and practices prove that after the spraying quality of the release agent is improved, the number of machine runs of the mold is increased, and the corrosion protection, the sequential solidification, the fluidity of metal liquid and the demolding performance of the mold are obviously improved.

With the wide application of the release agent in die casting production, the problem of the release agent in the spraying process is more and more obvious. At present, the spraying release agent mainly depends on manual spraying, and has the following defects: firstly, the temperature of the die is high (180-220 ℃), the working environment of workers is poor, and the labor cost is high; secondly, the consistency and the film forming quality of the manual spraying are difficult to ensure; thirdly, the spraying angles and the discharge amounts of different parts of the die are different, and the discharge amount in the manual spraying process cannot be automatically adjusted in real time, so that the process requirements are difficult to meet. Therefore, we propose a mold release agent spraying device for low-pressure casting hub mold to solve the above problems.

Disclosure of Invention

In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a low-pressure casting hub mold release agent spraying device which improves spraying accuracy and work efficiency, improves spraying effect, saves manufacturing cost, has a simple structure, and is easy to implement.

In a first aspect, the present application provides a low pressure casting wheel hub mould release agent spraying device, including:

a spraying mechanism comprising a robot; the robot is provided with a holding part and a cross positioning part; the spray gun is held by the holding part; the cross positioning part can project cross line laser;

the bearing mechanism is matched with the spraying mechanism for use; the bearing mechanism comprises a sliding table for placing a die; an adjusting assembly is arranged at the bottom of the sliding table;

the cross positioning part is driven by the robot to move to the position above the rotating center of the sliding table, the cross laser is projected on the sliding table, the sliding table is driven by the adjusting assembly to move, the relative position and angle of the die and the cross laser are adjusted, the center of the die is coincided with the center of the cross laser, and the angle of the die is perpendicular to the cross laser; and the robot drives the spray gun to carry out spraying operation according to a set program track.

According to the technical scheme provided by the embodiment of the application, the bearing mechanism further comprises: a carrier for mounting the adjustment assembly.

According to the technical scheme provided by the embodiment of the application, the adjusting component comprises: the first adjusting component, the second adjusting component and the third adjusting component are matched for use;

the first adjusting assembly is arranged on the bearing frame and is used for driving the sliding table to rotate;

the second adjusting component is arranged on the first adjusting component and used for driving the sliding table to move along a first direction;

the third adjusting component is arranged on the second adjusting component and used for driving the sliding table to move along a second direction;

the first direction with the second direction is perpendicular and both with the slip table parallel arrangement.

According to the technical scheme provided by the embodiment of the application, the first adjusting component comprises:

the supporting plate is arranged on the lower surface of the sliding table;

a driving part arranged on the bearing frame; the driving part is provided with a driving end, and the driving end is connected with the supporting plate and used for driving the sliding table to rotate.

According to the technical scheme provided by the embodiment of the application, the second adjusting component comprises:

the first sliding rail is arranged on the sliding table and arranged along the first direction;

the first sliding block is arranged on the first sliding rail in a sliding mode;

the first lead screw is arranged along the first direction and is provided with a first nut; the first nut is connected with the first sliding block and the third adjusting component;

and one end of the first adjusting handle penetrates through the bearing frame, is connected with one end of the first lead screw and is used for driving the first lead screw to rotate so as to enable the third adjusting assembly to move along the first direction.

According to the technical scheme provided by the embodiment of the application, the third adjusting component comprises:

the supporting part is arranged on the first sliding rail; the supporting part is provided with a second slide rail arranged along the second direction;

the second sliding block is arranged on the second sliding rail in a sliding mode;

the supporting plate is arranged on the upper surface of the sliding table, is connected with the second sliding block and is used for bearing the die;

the second lead screw is arranged along the second direction and is provided with a second nut; the second nut is connected with the second sliding block and the supporting plate;

and one end of the second adjusting handle penetrates through the bearing frame, is connected with one end of the second lead screw and is used for driving the second lead screw to rotate so as to enable the supporting plate to move along the second direction.

According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: the color changing and cleaning assembly is arranged on the robot and is used for cleaning and changing colors of the spray gun;

the color changing and cleaning assembly comprises:

a color changing purge valve block having a release agent inlet for communication with the spray gun;

the release agent oil inlets are arranged on the color changing and cleaning valve block and used for conveying different release agents to the color changing and cleaning valve block from the corresponding release agent oil inlets;

the demolding agent oil return ports are arranged on the color changing cleaning valve block, correspond to the demolding agent oil inlet in number and are used for enabling the demolding agent entering the color changing cleaning valve block through the demolding agent oil inlet to flow back to the coating bucket to form a demolding agent circulation passage;

the first pneumatic interfaces are arranged on the color changing and cleaning valve block, the number of the first pneumatic interfaces corresponds to that of the release agent oil inlets, and the first pneumatic interfaces are used for controlling the communication between the corresponding release agent and the spray gun;

the cleaning agent oil inlet is formed in one side, away from the release agent inlet, of the color changing cleaning valve block;

and the second pneumatic control interface is arranged on the color changing cleaning valve block and is used for controlling the on-off between the cleaning agent oil inlet and the spray gun.

According to the technical scheme provided by the embodiment of the application, the spray gun comprises:

a gun body having a main passage;

an inching valve mounted on the main passage; one side of the micro valve, which is far away from the gun body, is provided with a micro valve guard plate; the micro valve guard plate is connected with the gun body through a screw.

The nozzle is arranged on one side of the gun body, which is far away from the inching valve, and is communicated with the main passage;

and the air cap is sleeved on the nozzle and is provided with an atomizing fan-shaped air hole matched with the nozzle for use.

According to the technical scheme provided by the embodiment of the application, the side wall of the gun body is also provided with a first joint, a second joint and a third joint which are communicated with the main passage;

the first joint is used for connecting the fan-shaped air atomizing pipe with the fan-shaped air atomizing pipe; the second joint is used for connecting a spray gun switch pneumatic control pipeline; the third joint is used for connecting the release agent inlet.

According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: and the base is arranged adjacent to the bearing mechanism and used for installing the robot.

To sum up, the application specifically discloses a specific structure of low pressure casting wheel hub mould release agent spraying device. The spraying mechanism comprises a robot, a support mechanism and a control mechanism, wherein the robot is provided with a holding part and a cross-shaped positioning part; the relative position of the mold and the spray gun is adjusted by arranging an adjusting assembly at the bottom of the sliding table; when the cross positioning device is used, the cross positioning part is moved to the position above the rotating center of the sliding table by the robot, the cross positioning part is used for projecting cross laser to the rotating center, the sliding table is driven by the adjusting assembly to move, the relative position and angle between the die and the cross laser are adjusted, the cross laser can be aligned to the cross laser, further, the spray gun is driven by the robot to move, compressed air is blown to the die by the spray gun, and the die is cleaned until the cleaning is finished; finally, the robot is used for driving a spray gun to spray the mould; the purposes of improving the spraying precision and the working efficiency, improving the spraying effect and saving the manufacturing cost are achieved.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic overall structure diagram of a release agent spraying device for a low-pressure casting hub die.

Fig. 2 is a schematic top view of a release agent spraying device for a low-pressure casting hub mold.

Fig. 3 is a schematic structural diagram of the bearing mechanism.

Fig. 4 is a schematic structural view of the color changing cleaning assembly.

Fig. 5 is a schematic view of the structure of the spray gun.

Fig. 6 is a schematic view of the pneumatic control principle.

Fig. 7 is a schematic view of the pneumatic control principle for spraying two spray guns.

Reference numbers in the figures: 1. a robot; 2. a cross-shaped positioning part; 3. a spray gun; 4. a sliding table; 5. a carrier; 6. a drive section; 7. a first adjustment handle; 8. a release agent inlet; 9. an oil inlet of a release agent; 10. an oil return port of the release agent; 11. a first pneumatic interface; 12. a cleaning agent oil inlet; 13. a second pneumatic control interface; 14. a gun body; 15. an inching valve; 16. a microvalve shield; 17. a screw; 18. a nozzle; 19. an air cap; 20. a first joint; 21. a second joint; 22. a third joint; 23. a base; 24. changing color and cleaning the valve block; 25. a second adjustment handle; 26. a color A release agent stirring barrel; 27. b color release agent stirring barrel; 28. c color release agent stirring barrel; 29. d color release agent stirring barrel; 30. a pressure tank for cleaning agent; 31. a diaphragm pump.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1, a schematic structural diagram of a first embodiment of a release agent spraying device for a low-pressure casting hub mold provided by the present application includes:

the spraying mechanism is used as a main spraying assembly and comprises a robot 1 for driving the cross-shaped positioning part 2 and the spray gun 3 to move to a set position so as to realize the cleaning and spraying of the die; moreover, as shown in fig. 2, the robot 1 has a holding part and a cross positioning part 2, the holding part is used for holding the spray gun 3, the cross positioning part 2 can irradiate on a target position and project cross laser to form a cross cursor, and the cross cursor has the functions of aiming and positioning, so that the relative position of the mold and the spray gun can be adjusted more accurately; the robot is used for replacing manual operation, so that the purposes of improving the spraying precision and the working efficiency, improving the spraying effect and saving the manufacturing cost are achieved.

The type of the cross positioning part 2 is, for example, a cross laser lamp, and the type thereof is, for example, KYC650N5-TS1236, and the output wavelength thereof is 650 nm.

Further, as shown in fig. 1, the method further includes: a base 23, which is arranged adjacent to the carrying mechanism, as a basic carrying member, for mounting the robot 1.

The bearing mechanism is matched with the spraying mechanism for use, so that the die can be accurately placed at a position relative to the fixed spray gun; as shown in fig. 3, the carrying mechanism includes a slide table 4 for placing the mold; the adjusting assembly is arranged at the bottom of the sliding table 4 and used for adjusting the position of the sliding table 4, so that a mold on the sliding table 4 is aligned with a cross cursor projected by the cross positioning part 2, a spray gun can spray the spraying part of the mold, and the purposes of accurate cleaning and spraying are achieved;

further, the bearing frame 5 is arranged adjacent to the base 23 and used for installing and supporting the adjusting component;

specifically, the adjustment assembly includes: the first adjusting component, the second adjusting component and the third adjusting component are matched for use;

the first adjusting assembly is arranged on the bearing frame 5 and used for driving the sliding table 4 to rotate so as to change the angle of a die on the sliding table 4 relative to the cross cursor;

the second adjusting assembly is mounted on the first adjusting assembly and used for driving the sliding table 4 to move along a first direction, as shown in fig. 2, and a horizontal direction in the drawing is defined as the first direction;

the third adjusting assembly is mounted on the second adjusting assembly and used for driving the sliding table 4 to move along a second direction, and as shown in fig. 2, the vertical direction in the figure is defined as the second direction;

wherein the first direction is vertical to the second direction and both are parallel to the sliding table 4;

through adjusting the first adjusting assembly, the second adjusting assembly and the third adjusting assembly, the position of the mold can be accurately aligned to the cross cursor projected by the cross positioning part 2, and the mold is fixed relative to the spray gun;

the first adjustment assembly includes:

a support plate provided on the lower surface of the slide table 4 as a connecting member between the slide table 4 and the drive section 6;

and the driving part 6 is arranged on the bearing frame 5, the driving part 6 is provided with a driving end, and the driving end is connected with the supporting plate and used for driving the sliding table 4 to rotate.

The driving unit 6 is, for example, a driving motor.

The second adjustment assembly includes:

the first sliding rail is arranged on the sliding table 4 and arranged along the first direction, and provides a sliding path for the third adjusting assembly; the first sliding block is arranged on the first sliding rail in a sliding manner;

the first lead screw is arranged along the first direction and is provided with a first nut, and the first nut is connected with the first sliding block and the third adjusting component;

one end of the first adjusting handle 7 penetrates through the bearing frame 5, is connected with one end of the first lead screw and is used for driving the first lead screw to rotate, the first nut converts the rotating motion of the first lead screw into linear motion, and the first nut drives the first sliding block to move along the first sliding rail, so that the third adjusting assembly moves along the first direction.

The third adjustment assembly includes:

the supporting part is arranged on the first sliding rail; the second slide rail is arranged on the supporting part along the second direction and provides a sliding path for the movement of the supporting plate; the second sliding block is arranged on the second sliding rail in a sliding mode;

the supporting plate is arranged on the upper surface of the sliding table 4, is connected with the second sliding block and is used for bearing and supporting the die;

the second screw rod is arranged along the second direction and is provided with a second nut, and the second nut is connected with the second pulley and the supporting plate;

and one end of the second adjusting handle 25 penetrates through the bearing frame 5 and is connected with one end of the second lead screw for driving the second lead screw to rotate, and the second nut converts the rotating motion of the second lead screw into linear motion and drives the second sliding block to move along the second sliding rail, so that the supporting plate moves along the second direction.

The robot 1 drives the cross positioning part 2 to move to the position above the rotating center of the sliding table 4, the adjusting assembly is used for driving the sliding table to move, the relative position and the angle of the mold and the cross cursor are adjusted, the center of the cross cursor at the center of the mold is coincided, the angle is perpendicular to the cross cursor, the relative position and the angle of the mold and the spray gun are determined at the moment, and the robot drives the spray gun to carry out spraying operation according to a set program track (aiming at mold setting).

As shown in fig. 4, the method further includes: the color changing and cleaning assembly is arranged on the robot 1 and used for quickly cleaning and changing colors of the spray gun 3, so that the color changing and cleaning time is saved;

specifically, trade look washing subassembly includes:

a color changing cleaning valve block 24 which is provided with a release agent inlet 8 and is used for communicating with the spray gun 3 and conveying release agent or cleaning agent for the spray gun 3;

the release agent oil inlets 9 are arranged on the color changing cleaning valve block 24, one release agent oil inlet 9 is used for conveying a release agent with one color, and the release agent oil inlets 9 can convey different release agents to the color changing cleaning valve block 24 from the corresponding release agent oil inlets 9 according to actual requirements; here, the number of the release agent oil inlets 9 is at least three;

the release agent oil return ports 10 are arranged on the color changing and cleaning valve block 24, the number of the release agent oil return ports is corresponding to that of the release agent oil inlet 9, and the release agent oil return ports are used for returning the release agent entering the color changing and cleaning valve block 24 through the release agent oil inlet 9 to a coating bucket to form a release agent circulation passage so as to avoid generating precipitation; here, the number of the demoulding agent oil return openings 10 is consistent with that of the demoulding agent oil inlet openings 9;

the first pneumatic interfaces 11 are arranged on the color changing and cleaning valve block 24, the number of the first pneumatic interfaces corresponds to that of the release agent oil inlets 9, and the first pneumatic interfaces are used for controlling the communication between the corresponding release agents and the spray guns 3; here, the number of the first air control interfaces 11 is consistent with that of the release agent oil inlets 9;

the cleaning agent oil inlet 12 is arranged on one side, away from the release agent inlet 8, of the color changing cleaning valve block 24;

and the second pneumatic control interface 13 is arranged on the color-changing cleaning valve block 24 and is used for controlling the on-off between the cleaning agent oil inlet 12 and the spray gun 3.

As shown in fig. 5, the spray gun 3 includes:

a gun body 14 having a main passage for delivering a cleaning agent or a release agent;

an inching valve 15 installed on the main passage for opening and closing the main passage to eject the cleaning agent or the release agent in the main passage through a nozzle 18;

the micro valve guard plate 16 is arranged on one side of the micro valve 15, which is far away from the gun body 14, so that the micro valve 15 can be effectively protected; here, the connection manner of the micro valve guard 16 and the gun body 14 is not limited, and alternatively, for example, a bolt connection is adopted, and the specific connection manner is as follows: screw holes are correspondingly formed in the gun body 14 and the micro valve guard plate 16, and the micro valve guard plate 16 is connected with the gun body 14 through screws 17.

A nozzle 18 provided on a side of the gun body 14 remote from the inching valve 15 and communicating with the main passage for quantitatively spraying a cleaning agent or a release agent;

and the air cap 19 is sleeved on the nozzle 18, and the atomizing fan-shaped air holes are formed in the air cap 19, are matched with the nozzle 18 for use, and are used for atomizing the release agent sprayed by the nozzle 18 and adjusting and changing the spray type.

Further, a first joint 20, a second joint 21 and a third joint 22 are arranged on the side wall of the gun body 14, wherein the first joint 20 is used for connecting the fan-shaped and the atomized air pipe and is used for atomizing the release agent sprayed from the nozzle 18 and adjusting and changing the spray type; the second connector 21 is used for connecting a spray gun switch pneumatic control pipeline and controlling the start-stop state of the spray gun 3 by controlling the inching valve 15 to be opened and closed; and a third joint 22 for connecting the release agent inlet 8 of the cleaning color changing valve block 24 to deliver cleaning agent or release agent to the spray gun.

The specific spraying process is as follows:

putting a plurality of release agents and cleaning agents into a coating barrel independently, wherein the release agents are supplied by a diaphragm pump 31 and a gear pump;

placing a heated mould on a sliding table 4, moving a cross positioning part 2 to the upper part of the rotating center of the sliding table 4 by using a robot 1, projecting a cross cursor to the rotating center by the cross positioning part 2, then adjusting a first adjusting handle 7 and a second adjusting handle 25, adjusting the positions of the sliding table 4 in the first direction and the second direction, starting a driving part 6 to change the offset angle of the mould, fixing the relative position of the mould and a spray gun, further, driving the spray gun 3 to move by using the robot 1, blowing compressed air to the mould by using the spray gun 3, and cleaning the mould until the cleaning is finished;

and finally, the robot 1 is used for driving the spray gun 3 to spray the mould.

Different parts of the die need different spraying parameters, including spraying distance, spraying angle, atomized air size, fan-shaped air size and release amount of the release agent.

Four releasing agent oil inlets 9, four releasing agent oil return ports 10 and four first pneumatic interfaces 11 are designed, and as shown in fig. 6, the four releasing agent oil inlets 9 are set to respectively convey an A color releasing agent 26, a B color releasing agent 27, a C color releasing agent 28 and a D color releasing agent 29;

1. when color changing cleaning is carried out, for example, the color A release agent 26 needs to be replaced by the color B release agent 27, the first air control interface 11 corresponding to the color A release agent 26 is cut off, so that the connection between the color A release agent and the spray gun is closed, the second air control interface 13 supplies air, so that the connection between the cleaning agent oil inlet 12 and the spray gun is opened, the residual paint of the color A release agent in the pipeline is completely discharged from the spray gun, and the connection between the cleaning agent oil inlet 12 and the spray gun 3 is closed by cutting off the air of the second air control interface 13; and (3) supplying gas to the first pneumatic control interface 11 corresponding to the B-color release agent 27, so that the connection between the corresponding release agent oil inlet 9 and the spray gun 3 is opened, discharging the residual cleaning agent in the pipeline by the spray gun, and finishing color changing and cleaning.

2. When the system is cleaned, the oil suction pipe of the diaphragm pump 31 is taken out of the coating barrel, the flow of the gear pump is set to be the maximum, the coating in the main pipeline is emptied, the oil suction pipe of the diaphragm pump 31 is connected with the cleaning agent 30 until the main pipeline is cleaned, the second pneumatic control interface 13 supplies air, so that the connection between the cleaning agent oil inlet 12 and the spray gun 3 is opened until the coating in the main pipeline is cleaned, and the system is cleaned.

Wherein, the main pipeline is a coating circulating pipeline between the coating bucket and the color changing valve.

Further, the color changing and cleaning assembly formed in fig. 6 is used for simultaneously feeding and cleaning two spray guns to form the structure shown in fig. 7, two paths of conveying are configured for each color of the release agent and are connected with the two spray guns in a one-to-one correspondence manner, and two paths of cleaning are configured and are connected with the two spray guns in a one-to-one correspondence manner; for example, if two spray guns need the a-color release agent 26 at the same time, the two first pneumatic control interfaces 11 corresponding to the a-color release agent 26 supply air, so that the corresponding release agent oil inlets 9 are opened to supply the a-color release agent 26; when other colors need to be switched, the color changing and cleaning operation is carried out, and then the next color release agent is provided for spraying.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention according to the present application is not limited to the specific combination of the above-mentioned features, but also covers other embodiments where any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (10)

1. The utility model provides a low pressure casting wheel hub mould release agent spraying device which characterized in that includes:

a spraying mechanism comprising a robot (1); the robot (1) is provided with a holding part and a cross-shaped positioning part (2); the spray gun (3) is held by the holding part; the cross positioning part (2) can project cross line laser;

the bearing mechanism is matched with the spraying mechanism for use; the bearing mechanism comprises a sliding table (4) for placing a die; the bottom of the sliding table (4) is provided with an adjusting assembly;

the cross positioning part (2) is driven by the robot (1) to move to the position above the rotating center of the sliding table (4), the cross laser is projected on the sliding table (4), the sliding table (4) is driven by the adjusting assembly to move, the relative position and angle of the die and the cross laser are adjusted, the center of the die is coincided with the center of the cross laser, and the angle of the die is perpendicular to the cross laser; and the robot (1) drives the spray gun (3) to carry out spraying operation according to a set program track.

2. The low pressure casting hub mold release agent spray coating device of claim 1, wherein the carrier mechanism further comprises: a carrier (5) for mounting the adjustment assembly.

3. The low pressure casting hub mold release agent spray coating apparatus of claim 2, wherein the adjustment assembly comprises: the first adjusting component, the second adjusting component and the third adjusting component are matched for use;

the first adjusting assembly is arranged on the bearing frame (5) and is used for driving the sliding table (4) to rotate;

the second adjusting assembly is arranged on the first adjusting assembly and used for driving the sliding table (4) to move along a first direction;

the third adjusting assembly is arranged on the second adjusting assembly and used for driving the sliding table (4) to move along a second direction;

the first direction is perpendicular to the second direction, and the first direction and the second direction are both parallel to the sliding table (4).

4. The low pressure casting hub mold release agent spray coating apparatus of claim 3, wherein the first adjustment assembly comprises:

the supporting plate is arranged on the lower surface of the sliding table (4);

a drive unit (6) provided on the carriage (5); the driving part (6) is provided with a driving end, and the driving end is connected with the supporting plate and used for driving the sliding table (4) to rotate.

5. The low pressure casting hub mold release agent spray coating apparatus of claim 4, wherein the second adjustment assembly comprises:

the first sliding rail is arranged on the sliding table (4) and arranged along the first direction;

the first sliding block is arranged on the first sliding rail in a sliding mode;

the first lead screw is arranged along the first direction and is provided with a first nut; the first nut is connected with the first sliding block and the third adjusting component;

and one end of the first adjusting handle (7) penetrates through the bearing frame (5), is connected with one end of the first lead screw and is used for driving the first lead screw to rotate so as to enable the third adjusting assembly to move along the first direction.

6. The low pressure casting hub mold release agent spray coating device of claim 5, wherein the third adjustment assembly comprises:

the supporting part is arranged on the first sliding rail; the supporting part is provided with a second slide rail arranged along the second direction;

the second sliding block is arranged on the second sliding rail in a sliding mode;

the supporting plate is arranged on the upper surface of the sliding table (4), is connected with the second sliding block and is used for bearing the die;

the second lead screw is arranged along the second direction and is provided with a second nut; the second nut is connected with the second sliding block and the supporting plate;

and one end of the second adjusting handle (25) penetrates through the bearing frame (5), is connected with one end of the second lead screw and is used for driving the second lead screw to rotate so as to enable the supporting plate to move along the second direction.

7. The low pressure casting hub mold release agent spray coating device of claim 1, further comprising: the color changing and cleaning assembly is arranged on the robot (1) and is used for cleaning and changing colors of the spray gun (3);

the color changing cleaning assembly comprises:

a color-changing purge valve block (24) having a release agent inlet (8) for communicating with the spray gun (3);

the release agent oil inlets (9) are mounted on the color changing and cleaning valve block (24) and used for conveying different release agents to the color changing and cleaning valve block (24) from the corresponding release agent oil inlets (9);

the release agent oil return ports (10) are arranged on the color changing and cleaning valve block (24), the number of the release agent oil return ports is corresponding to that of the release agent oil inlets (9), and the release agent oil return ports are used for returning the release agent entering the color changing and cleaning valve block (24) through the release agent oil inlets (9) to the coating bucket to form a release agent circulation passage;

the first air control interfaces (11) are arranged on the color changing and cleaning valve block (24), the number of the first air control interfaces corresponds to that of the release agent oil inlets (9), and the first air control interfaces are used for controlling the communication between the corresponding release agent and the spray gun (3);

the cleaning agent oil inlet (12) is arranged on one side, away from the release agent inlet (8), of the color changing cleaning valve block (24);

and the second pneumatic control interface (13) is arranged on the color changing cleaning valve block (24) and is used for controlling the on-off between the cleaning agent oil inlet (12) and the spray gun (3).

8. The low pressure casting hub mold release agent spray coating device of claim 7, characterized in that the spray gun (3) comprises:

a gun body (14) having a main passage;

an inching valve (15) mounted on the main passage; a microvalve guard plate (16) is arranged on one side, away from the gun body (14), of the inching valve (15); the micro valve guard plate (16) is connected with the gun body (14) through a screw (17);

a nozzle (18) provided on a side of the gun body (14) remote from the inching valve (15) and communicating with the main passage;

the air cap (19) is sleeved on the nozzle (18), and an atomizing fan-shaped air hole matched with the nozzle (18) is formed in the air cap (19).

9. The low pressure casting hub mold release agent spraying device according to claim 8, characterized in that the gun body (14) side wall is further provided with a first joint (20), a second joint (21) and a third joint (22) which are communicated with the main passage;

the first joint (20) is used for connecting the fan-shaped air atomizing pipe with the fan-shaped air atomizing pipe; the second connector (21) is used for connecting a pneumatic control pipeline of a switch of the spray gun; the third joint (22) is used for connecting the release agent inlet (8).

10. The low pressure casting hub mold release agent spray coating device of claim 1, further comprising: a base (23) arranged adjacent to the carrying mechanism for mounting the robot (1).

Images