Automatic wax film forming device

Abstract

The utility model discloses an automatic wax film forming device which comprises a wax dipping box and a double-wing type cross beam installed at the top end of the wax dipping box through a guide rail and a sliding block, and a belt wheel traction module used for driving the double-wing type cross beam to slide in the length direction of the wax dipping box is installed on the outer wall of one side of the wax dipping box. A suspension frame is arranged at the bottom end of the double-wing type cross beam, a double-area self-resetting structure is arranged between the top end of the suspension frame and the interior of the double-wing type cross beam, and the double-area self-resetting structure is used for forcing the suspension frame to move upwards. The novel design of the suspension and the U-shaped storage frame is used, a lifting driving element is not needed, the belt wheel traction module is matched with the track single body, the structural design of the device is simplified, the situation that the lifting driving element is exposed in high-temperature and viscous wax liquid for a long time in the past is avoided, the failure rate of the device is greatly reduced, and operation is more stable and lasting.

Description

TECHNICAL FIELD

[0001] The utility model relates to wax dipping technical field, concretely is a wax film automatic forming device. BACKGROUND

[0002] Wax dipping forming device is important equipment for manufacturing wax film in precision casting mold, mainly through wax dipping process even covers a layer of wax to workpiece surface to form high-precision wax film. Its main function includes ensuring the precision and surface quality of casting, increasing the strength of wax film, and realizing accurate mold replication through controlling the uniformity of wax layer. The structure of wax dipping forming device includes wax bath, wax dipping basket or mold clamp, heating system, cooling system, control system and exhaust bubble removal system. Wax bath is used to contain molten wax liquid and heat to proper temperature, wax dipping basket or mold clamp fixes workpiece and dips it into wax liquid, ensures the uniformity and stability of wax film formation. Heating system keeps the fluidity of wax liquid through electric heating etc., cooling system is used to control the cooling speed of wax film, ensures the integrity and firmness of wax film surface. Control system accurately manages temperature, wax dipping time, cooling process etc. to ensure efficient and accurate wax film production, its operation steps include workpiece preheating, repeated wax dipping, cooling solidification and demolding etc. steps, through multiple soaking to form firm and thick wax film, finally provides accurate mold for casting;The wax dipping forming device of present stage uses double-shaft moving unit controlled by screw linear module or cylinder, hydraulic cylinder etc. components to control the horizontal movement and Z-axis movement of workpiece to be dipped in wax, so that the workpiece is dipped or immersed in wax liquid, and the lifting element of Z-axis is fixed in the same system with the workpiece, so their movement track and workpiece immersion process are synchronous, which inevitably requires the lifting driving element to be immersed in wax liquid at a certain moment, the temperature of wax liquid is usually kept between 100 DEG C to 200 DEG C, when the Z-axis lifting driving element is immersed in wax liquid, long-term exposure to high-temperature wax liquid can cause corrosion, wear or damage of the element, especially for metal materials such as screw, cylinder, the adhesion of wax liquid can increase friction, long-term use can reduce its precision and service life, and due to the viscosity of wax liquid, once the Z-axis lifting driving element contacts with wax liquid, the wax liquid will adhere to its surface, which makes the cleaning of the element very difficult, affecting the normal work of the equipment. SUMMARY

[0003] The utility model discloses a purpose lies in providing a kind of wax film automatic forming device, workpiece to be dipped in wax processing is put into to U letter storage frame, using pulley traction module makes that suspension, U letter storage frame and workpiece move, in the process of suspension, U letter storage frame and workpiece move, suspension is contacted with the track monomer on the inner wall of dipping wax tank by rolling contact piece, track monomer forces suspension, U letter storage frame and workpiece to descend and immerse into wax liquid, when suspension passes through track monomer completely, double-area self-resetting structure again makes that suspension, U letter storage frame and workpiece dip out wax liquid, so that workpiece is attached with a layer of wax film, to solve the problem proposed in the above background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of wax film automatic forming device, including dipping wax tank and the double-wing beam of double-wing beam top of dipping wax tank being installed by guide rail, sliding block, the pulley traction module for being used to drive double-wing beam to slide in the length direction of dipping wax tank is installed on the side outer wall of dipping wax tank, the bottom of double-wing beam is provided with suspension bracket, and double-area self-resetting structure is arranged between the top of suspension bracket and the inside of double-wing beam, and double-area self-resetting structure is used to force suspension to move up, U letter storage frame for accommodating workpiece to be dipped in wax is installed on the top wall of suspension bracket, track monomer is fixed on the two side outer walls of dipping wax tank, and track monomer is used to guide suspension to move down, rolling contact piece for being contacted with track monomer is arranged on the left and right outer walls of suspension bracket, control panel for being electrically connected with the input end of pulley traction module is installed on the other side outer wall of dipping wax tank.

[0005] Preferably, the two side outer walls of the dipping wax tank are provided with a rectangular notch portion.

[0006] Preferably, the inner wall of the dipping wax tank on one side of the rectangular notch portion is provided with an electric heating pipe, and the input end of the electric heating pipe is electrically connected with the output end of the control panel.

[0007] Preferably, the pulley traction module is composed of two synchronous wheels rotatably installed on the same side of the top end of the dipping wax tank, a belt between the two synchronous wheels, and a servo motor installed on the side outer wall of the dipping wax tank, the servo motor is used to drive one of the synchronous wheels to rotate, and the belt drives the double-wing beam, the suspension bracket, the U letter storage frame and the double-area self-resetting structure to slide in the length direction of the dipping wax tank.

[0008] Preferably, the rolling contact piece includes a right trapezoidal protruding seat integrally formed on the left and right outer walls of the suspension bracket, a slope portion and a flat portion provided on the top end and one side of the right trapezoidal protruding seat, and rollers are installed on the slope portion and the flat portion.

[0009] Preferably, the double-zone self-resetting structure comprises a hollow part arranged inside the double-wing beam, a hydraulic damper arranged inside the hollow part, and a top plate arranged at the top end of the hydraulic damper piston rod, both sides of the bottom end of the top plate are provided with guide rods, and the bottom ends of the guide rods penetrate into the outside of the double-wing beam and are fixedly connected with the top end of the suspension frame.

[0010] Compared with the prior art, the wax film automatic forming device makes the whole workpiece wax immersion process rely on the cooperative work of the wax immersion box, the pulley traction module, the suspension, the rolling contact piece, the U-shaped storage frame, the track monomer and the double-zone self-resetting structure and the like, the workers can adjust the speed of the pulley traction module, control the accuracy of the track monomer and use the double-zone self-resetting structure, so that the workpiece can complete the precise immersion and immersion operation in the wax liquid, the new design of the suspension and the U-shaped storage frame is used, the structure design of the device is simplified through the cooperation of the pulley traction module and the track monomer, the previous lifting driving element is avoided from being exposed to the high-temperature and sticky wax liquid for a long time, the failure rate of the equipment is greatly reduced, and the operation is more stable and durable.

[0011] Moreover, the new design of the pulley traction module and the track monomer can more accurately control the motion trajectory of the workpiece, so that the immersion and extraction of the workpiece in the wax liquid are more uniform, the contact between the track monomer and the suspension can stably guide the U-shaped storage frame and the workpiece to descend along the predetermined path, and through the double-zone self-resetting structure, the workpiece can be quickly and stably extracted from the wax liquid after being immersed in the wax liquid, so that the uniformity of the wax layer is effectively controlled. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view structural schematic diagram of the utility model;

[0013] Figure 2 It is a three-dimensional structure schematic diagram of the utility model Figure One ;

[0014] Figure 3 It is a three-dimensional structure schematic diagram of the utility model Figure Two ;

[0015] Figure 4 It is a three-dimensional structure schematic diagram of the utility model

[0016] Figure 5 It is a three-dimensional structure schematic diagram of the utility model

[0017] Figure 6 It is a three-dimensional structure schematic diagram of the utility model Figure Three .

[0018] In the figure: 1, wax dipping box; 101, rectangular notch part; 2, double-wing crossbeam; 3, pulley traction module; 4, suspension frame; 5, U-shaped storage frame; 6, double-zone self-resetting structure; 61, hollow part; 62, hydraulic damper; 63, top plate; 64, guide rod; 7, track monomer; 8, rolling contact piece; 81, right-angled trapezoidal protruding seat; 82, planar part; 83, sloping surface part; 84, roller; 9, control panel; 10, electric heating tube. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment one, by Figures 1 to 4 The utility model discloses a wax dipping box 1 and double-wing crossbeam 2 are installed to the top of wax dipping box 1 through guide rail, sliding block, the one side outer wall on wax dipping box 1 is installed with the pulley traction module 3 for driving double-wing crossbeam 2 to slide in the length direction of wax dipping box 1, the bottom of double-wing crossbeam 2 is provided with suspension frame 4, and the inside between the top of suspension frame 4 and double-wing crossbeam 2 is provided with double-zone self-resetting structure 6, which is used to force the upward movement of the suspension frame 4, and the top wall of the suspension frame 4 is provided with the U-shaped storage frame 5 for accommodating the workpiece to be dipped in wax, and the both sides outer walls on wax dipping box 1 are fixed with track monomer 7, which is used to guide the downward movement of the suspension frame 4, and the left and right outer walls of the suspension frame 4 are provided with rolling contact piece 8 for contacting with the track monomer 7, and the other side outer wall on wax dipping box 1 is provided with control panel 9 for electrically connecting with the input end of pulley traction module 3;

[0021] The both sides outer walls on wax dipping box 1 are provided with rectangular notch part 101, and the both sides outer walls on wax dipping box 1 are provided with rectangular notch part 101, which facilitates the feeding and discharging operation of the staff, and the inner wall of one side of the rectangular notch part 101 is provided with electric heating tube 10, and the input end of the electric heating tube 10 is electrically connected with the output end of the control panel 9. The electric heating tube 10 is arranged in the inside of the wax dipping box 1, and the electric heating tube 10 can heat the wax liquid in the wax dipping box 1 to avoid the solidification of the wax liquid due to cooling.

[0022] Embodiment two, on the basis of embodiment one, by Figure 4 , Figure 5 and Figure 6The wheel traction module 3 is composed of two synchronous wheels rotatably installed on the same side of the top end of the wax dipping box 1, a belt between the two synchronous wheels, and a servo motor installed on the outer wall of one side of the wax dipping box 1, the servo motor is used to drive one of the synchronous wheels to rotate, and the belt drives the double-wing cross beam 2, the suspension frame 4, the U-shaped storage frame 5, and the double-zone self-resetting structure 6 to slide in the length direction of the wax dipping box 1;

[0023] The rolling contact piece 8 includes a right-angled trapezoidal protruding seat 81 integrally formed on the left and right outer walls of the suspension frame 4, a slope surface part 83 and a flat surface part 82 provided on the top end and one side of the right-angled trapezoidal protruding seat 81, and a rolling wheel 84 installed on each of the slope surface part 83 and the flat surface part 82, the track unit 7 is composed of two end sections, an inclined section, and a straight section between the two inclined sections, when the suspension frame 4 contacts the track unit 7 through the rolling contact piece 8, the rolling wheel 84 at the position of the flat surface part 82 first contacts the inclined section of the track unit 7, at this time, the suspension frame 4 is in the descending stage, and the double-zone self-resetting structure 6 is in the compressed state, with the gradual movement of the suspension frame 4, the U-shaped storage frame 5, and the workpiece, the rolling wheel 84 at the position of the slope surface part 83 will contact the straight section of the track unit 7, at this time, the U-shaped storage frame 5 and the workpiece are immersed in the wax liquid, when the rolling wheel 84 contacts another inclined section of the track unit 7, the double-zone self-resetting structure 6 will gradually force the suspension frame 4, the U-shaped storage frame 5, and the workpiece to move upwards, i.e., to enter the leaching stage, through the mutual cooperation of the double-zone self-resetting structure 6, the suspension frame 4, the track unit 7, and the rolling contact piece 8, the formation of the wax film is completed.

[0024] The double-zone self-resetting structure 6 includes a hollow part 61 provided in the double-wing cross beam 2, a hydraulic damper 62 installed in the hollow part 61, and a top plate 63 installed at the top end of the piston rod of the hydraulic damper 62, two guide rods 64 are installed on both sides of the bottom end of the top plate 63, the bottom ends of the guide rods 64 penetrate to the outside of the double-wing cross beam 2 and are fixedly connected with the top end of the suspension frame 4, in the descending stage of the suspension frame 4, the suspension frame 4 will drive the hydraulic damper 62 and the top plate 63 to move downwards through the guide rods 64, and the hydraulic damper 62 is in the compressed state, and when the suspension frame 4 moves upwards, the hydraulic damper 62 releases the elastic force and actively drives the suspension frame 4 to move upwards.

[0025] In use, the embodiment of the present application first needs to place the workpiece to be immersed in the wax processing into the U-shaped storage frame 5, and the worker needs to ensure that each workpiece is placed correctly to avoid the workpiece from deviating or falling off in the subsequent immersion process. Once the workpiece is prepared, the worker starts the belt traction module 3 through the control panel 9, and the belt traction module 3 starts to drive the entire suspension frame 4, U-shaped storage frame 5 and workpiece to be immersed in the wax processing to move along the length direction of the wax immersion box 1 through the connection with the suspension frame 4 and the U-shaped storage frame 5. Through the cooperation with the synchronous transmission belt, power is transmitted to the suspension frame 4 and the U-shaped storage frame 5, so that the workpiece moves stably and uniformly along the predetermined path. During this process, the worker can adjust the speed and running direction of the servo motor in the belt traction module 3 through the control panel 9 to ensure that the traction speed matches the required immersion depth and speed of the workpiece. When the belt traction module 3 is started, the suspension frame 4 starts to gradually descend under the action of the track monomer 7 and drives the U-shaped storage frame 5 and the workpiece to descend together until the workpiece is immersed into the wax liquid. During this process, the rolling contact 8 ensures the stable contact between the suspension frame 4 and the track monomer 7, so that the workpiece can be stably immersed in the wax liquid. When the suspension frame 4 is completely lowered through the guidance of the track monomer 7, a part of the U-shaped storage frame 5 and the workpiece will be completely immersed in the wax liquid, so that a uniform wax layer can be formed on the surface of the workpiece. After the workpiece completes the wax immersion, the suspension frame 4 will gradually separate from the track monomer 7 with the traction of the belt traction module 3, and then the double-zone self-resetting structure 6 starts to reset from the compressed state. During the resetting process of the double-zone self-resetting structure 6, the suspension frame 4, the U-shaped storage frame 5 and the workpiece will be forced to move upwards until the workpiece is separated from the wax liquid. At this time, a uniform and smooth wax layer is formed on the surface of the workpiece. After the workpiece is completely separated from the wax liquid, the worker needs to check the quality of the wax film on its surface to confirm that it meets the requirements.

Claims

1. A wax film automatic forming apparatus characterized by comprising: The utility model provides a wax dipping box, including wax dipping box (1) and the double wing type crossbeam (2) of wax dipping box (1) top end is installed through guide rail, sliding block, the one side outer wall of wax dipping box (1) is installed with the pulley traction module (3) for driving double wing type crossbeam (2) in the length direction of wax dipping box (1) sliding, the bottom of double wing type crossbeam (2) is provided with suspension frame (4), and the inside between the top of suspension frame (4) and double wing type crossbeam (2) is provided with double area self-resetting structure (6), and double area self-resetting structure (6) is used to force suspension frame (4) to go up, the top wall of suspension frame (4) is installed with U letter and stores the frame (5) of workpiece for accommodating to be dipped in wax, both sides outer wall of wax dipping box (1) is all fixed with track monomer (7), and track monomer (7) is used to guide suspension frame (4) to go down, the left and right outer wall of suspension frame (4) is all provided with the rolling contact (8) for and track monomer (7) contact, the other side outer wall of wax dipping box (1) is installed with the control panel (9) for and pulley traction module (3) input end electric connection.

2. The wax film automatic forming device according to claim 1, characterized in that: Both sides outer wall of the wax dipping box (1) is provided with a rectangular notch (101).

3. The apparatus of claim 2, wherein: The inner wall of one of the rectangular notch (101) is installed with an electric heating tube (10), and the input end of the electric heating tube (10) is electrically connected with the output end of the control panel (9).

4. The apparatus of claim 1, wherein: The pulley traction module (3) is composed of two synchronous wheels rotatably installed on the same side of the top end of the wax dipping box (1), a belt between the two synchronous wheels, and a servo motor installed on the side outer wall of the wax dipping box (1), the servo motor is used to drive one of the synchronous wheels to rotate, and the belt drives the double wing type crossbeam (2), the suspension frame (4), the U letter and stores the frame (5), and the double area self-resetting structure (6) to slide in the length direction of the wax dipping box (1).

5. The apparatus of claim 1, wherein: The rolling contact (8) includes a right trapezoidal protruding seat (81) integrally formed on the left and right outer walls of the suspension frame (4), a slope surface (83) and a plane (82) provided on the top end and one side outer wall of the right trapezoidal protruding seat (81), and a roller (84) is installed on the slope surface (83) and the plane (82), and the track monomer (7) is composed of two end segments, an inclined segment, and a straight segment between the two inclined segments.

6. The apparatus of claim 5, wherein: The double area self-resetting structure (6) includes a hollow part (61) provided in the double wing type crossbeam (2), a hydraulic damper (62) installed in the hollow part (61), and a top plate (63) installed on the top end of the piston rod of the hydraulic damper (62), the bottom end of the top plate (63) is provided with a guide rod (64) on both sides, and the bottom end of the guide rod (64) penetrates to the outside of the double wing type crossbeam (2) and is fixedly connected with the top end of the suspension frame (4).

Images