A mold surface flatness testing device

Abstract

This invention belongs to the field of mold inspection technology, specifically a mold surface flatness inspection device, including a housing; a set of first guide rails are arranged opposite each other on the inner side wall of the housing; a second support plate is slidably connected inside the first guide rail; a set of first servo motors is fixed to the top surface of the second support plate; a shell is fixed to the bottom surface of the first support plate; multiple sets of electrode plates are fixed to the inner side wall of the shell; a copper rod is slidably connected inside the electrode plate; a probe is fixed to the end of the copper rod away from the electrode plate; the first servo motor continues to drive the second support plate to move, and the probe slides on the mold surface. When a bulge appears on the mold surface, the probe moves upward; when a pit appears on the mold surface, the probe moves downward; when a gap appears on the mold surface, the probe moves downward. When the probe moves up and down, it drives the copper rod to slide on the electrode plate, generating different electrical signals, thereby determining the flatness of the mold surface.

Description

Technical Field

[0001] This invention belongs to the field of mold inspection technology, specifically a mold surface flatness inspection device. Background Technology

[0002] Nowadays, molds are an indispensable tool in the manufacturing industry. The manufacturing of automotive body panels, plastic products, and electrical appliance housings all require the use of molds for shaping. Molds mainly achieve the processing of the shape of items by changing the physical state of the molding material.

[0003] The flatness of the mold surface affects the smoothness of the produced product surface and makes it difficult to separate the product from the mold, thus reducing product quality. Most existing mold surface flatness inspections use laser profile measuring instruments to scan the mold surface and obtain data maps to determine the mold surface flatness. However, the location of unevenness on the mold surface is only reflected in the data map and cannot be specifically reflected on the mold surface. When grinding and polishing the mold surface to achieve the required flatness, it is necessary to first determine the location of unevenness on the mold surface through the data map. At this time, there will be a certain deviation, resulting in poor grinding and polishing effect of the mold surface.

[0004] To address the inability to accurately locate uneven areas on the mold surface, this invention provides a mold surface flatness detection device. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by the present invention to solve its technical problem is as follows: The mold surface flatness detection device of the present invention includes a box body; a door is connected to one side of the opening on the top surface of the box body via a hinge; a mold is placed on the bottom surface of the box body, and the mold is located at the center of the bottom surface of the box body; a set of first guide rails are arranged opposite each other on the inner side wall of the box body; a second support plate is slidably connected between the set of first guide rails; a set of first servo motors is fixedly connected to the top surface of the second support plate, and a transmission roller is fixedly connected to the output end of the first servo motors; the transmission roller is rotatably connected to the inner top surface of the first guide rails.

[0007] A housing is fixed to the bottom surface of the second support plate; multiple sets of electrode plates are fixed to the inner side wall of the housing; a copper rod is slidably connected inside the electrode plates; a probe is fixed to the end of the copper rod away from the electrode plates, and the copper rod is located at the top of the probe; a spring is fixed between the probe and the inner top surface of the housing; the probe penetrates the bottom surface of the housing and is slidably connected to the housing; a material box is fixed to the side of the housing away from the mold; multiple sets of spray pipes are connected to the bottom end of the material box corresponding to the probe.

[0008] Preferably, an air duct is fixedly connected to the outer side of the shell near the mold; a flow channel is opened inside the air duct; and an air pipe is connected to the outside of the air duct.

[0009] Preferably, the air outlet of the air duct is located at the bottom end of the air duct; the air outlet is inclined and far away from the probe; the area of ​​the end of the air outlet away from the air duct is larger than the area of ​​the end of the air outlet in contact with the air duct.

[0010] Preferably, a set of second guide rails are oppositely arranged on the top of the inner side wall of the box; two sets of moving components are slidably connected inside the second guide rails; the moving components include a first support plate, a first servo motor, a second servo motor, a lead screw, and a support block; a set of first servo motors is fixedly connected to the top surface of the first support plate, and a transmission roller is fixedly connected to the output end of the first servo motor; the transmission roller is slidably connected to the inner top surface of the first guide rail; a second servo motor is fixedly connected to the bottom surface of one end of the first support plate; a first gear is fixedly connected to the output end of the second servo motor; a rectangular groove is formed at the center of the first support plate; A lead screw is rotatably connected within the rectangular groove; a second gear is fixedly connected to the end of the lead screw near the second servo motor; the second gear meshes with the first gear; a support block is slidably connected to the rectangular groove of the first support plate; a ball nut is fixedly connected inside the support block; the ball nut is sleeved on the lead screw; an electric telescopic rod is fixedly connected to the center of the bottom surface of the support block in one of the moving components; a grinding component is fixedly connected to the end of the electric telescopic rod away from the support block; the grinding component includes a drive motor; a fixed disk is fixedly connected to the output end of the drive motor; a grinding disk is fixedly connected to the end of the fixed disk away from the drive motor.

[0011] Preferably, a dustproof shell is snapped onto the outside of the drive motor; the bottom of the dustproof shell has a hole, and the output shaft of the drive motor passes through the hole; there is a gap between the dustproof shell and the drive motor.

[0012] Preferably, another set of the moving components is located between the grinding component and the side wall of the housing; an electric telescopic rod is fixedly connected to the center of the bottom surface of the support block in this set of moving components; an electric spark deposition component is fixedly connected to the end of the electric telescopic rod away from the support block; the electric spark deposition component includes a deposition gun.

[0013] Preferably, an aeration pipe is fixedly connected to the outside of the deposition gun; an air passage is opened inside the aeration pipe; multiple sets of air holes are opened on the bottom surface of the aeration pipe; the air holes are inclined; and an air nozzle is connected to the outside of the aeration pipe corresponding to the air passage.

[0014] Preferably, a set of moving components is slidably connected between a set of the first guide rails, and the set of moving components is located between the second support plate and the side wall of the box; a Leeb hardness tester is fixedly connected to the center of the bottom surface of the support block.

[0015] Preferably, the bottom surface of the box body is provided with sliding grooves at the four corners of the mold; a limiting rod is fixedly connected to the center of the sliding groove; a slider is slidably connected in the sliding groove; the limiting rod passes through the bottom of the slider; a second spring is sleeved on the limiting rod; the second spring is located between the side wall of the slider away from the mold and the inner wall of the sliding groove.

[0016] Preferably, the gas blown out by the air duct is argon.

[0017] The beneficial effects of this invention are as follows:

[0018] 1. The mold surface flatness detection device of the present invention uses a servo motor to drive a second support plate to move. The probe slides on the mold surface. When a bulge appears on the mold surface, the probe moves upward. When a pit appears on the mold surface, the probe moves downward. When a gap appears on the mold surface, the probe moves downward. When the probe moves up and down, it drives a copper rod to slide on the electrode plate, generating different electrical signals, thereby determining the flatness of the mold surface.

[0019] 2. The mold surface flatness detection device of the present invention uses a moving component to move the electric spark deposition component to the gaps and pits on the mold surface. The electric telescopic rod extends, bringing the electrode at the front end of the deposition gun into contact with the mold surface. The deposition gun then activates, generating a high-frequency electric spark discharge in the tiny area where the electrode contacts the mold surface. This ionizes the air between the electrode and the mold surface, creating plasma. This generates a plasma discharge channel between the electrode and the mold surface, forming a micro-plasma arc. This plasma arc melts the electrode tip and a tiny area of ​​the substrate, forming a micro-melt. During subsequent cooling, the molten metal solidifies to form a coating, filling the gaps and pits on the mold surface, thus achieving the filling of these gaps and pits. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a perspective view of the present invention;

[0022] Figure 2 This is a front sectional view of the present invention;

[0023] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the mold surface flatness detection component of the present invention;

[0025] Figure 5 This is a schematic diagram of the probe, copper rod, spring No. 1, and electrode plate of the present invention;

[0026] Figure 6 This is a schematic diagram of the moving component of the present invention;

[0027] Figure 7 This is a schematic diagram of the electric telescopic rod and grinding assembly of the present invention;

[0028] Figure 8 This is a front sectional view of the electric telescopic rod and grinding assembly of the present invention;

[0029] Figure 9 This is a schematic diagram of the electric spark deposition assembly of the present invention;

[0030] Figure 10 This is a right-side sectional view of the electric spark deposition assembly of the present invention;

[0031] Figure 11 This is a schematic diagram of the Leeb hardness tester and slider of the present invention;

[0032] Figure 12 This is a schematic diagram of the locking block, spring, and limiting rod of the present invention;

[0033] Figure 13 This is a front sectional view of the locking block, spring, and limiting rod of the present invention.

[0034] In the diagram: 1. Box body; 11. Box door; 2. Guide rail No. 1; 21. Guide rail No. 2; 22. Servo motor No. 1; 23. Transmission roller; 24. Servo motor No. 2; 25. Gear No. 1; 26. Gear No. 2; 27. Lead screw; 28. Support block; 29. ​​Ball nut; 3. Support plate No. 1; 31. Support plate No. 2; 32. Air duct; 33. Material box; 34. Spray pipe; 35. Shell; 36. Probe; 361. Copper rod; 362. Spring No. 1; 363. Electrode plate; 4. Electric telescopic rod; 5. Dustproof shell; 51. Drive motor; 52. Fixed plate; 53. Grinding plate; 6. Deposition gun; 61. Aeration pipe; 611. Air passage; 612. Air hole; 62. Air nozzle; 7. Mold; 71. Slider; 72. Spring No. 2; 73. Limiting rod; 8. Leeb hardness tester. Detailed Implementation

[0035] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0036] Example 1

[0037] like Figures 1 to 5As shown in the embodiment of the present invention, a mold surface flatness testing device includes a housing 1; a door 11 is connected to one side of the opening on the top surface of the housing 1 via a hinge; a mold 7 is placed on the bottom surface of the housing 1, and the mold 7 is located at the center of the bottom surface of the housing 1; a set of first guide rails 2 are arranged opposite each other on the inner sidewall of the housing 1; a second support plate 31 is slidably connected between the set of first guide rails 2; a set of first servo motors 22 are fixedly connected to the top surface of the second support plate 31, and a transmission roller 23 is fixedly connected to the output end of the first servo motor 22; the transmission roller 23 is rotatably connected to the inner top surface of the first guide rail 2.

[0038] A housing 35 is fixedly connected to the bottom surface of the second support plate 31; multiple sets of electrode plates 363 are fixedly connected to the inner side wall of the housing 35; a copper rod 361 is slidably connected inside the electrode plate 363; a probe 36 is fixedly connected to the end of the copper rod 361 away from the electrode plate 363, and the copper rod 361 is located at the top of the probe 36; a spring 362 is fixedly connected between the probe 36 and the inner top surface of the housing 35; the probe 36 penetrates the bottom surface of the housing 35, and the probe 36 is slidably connected to the housing 35; a material box 33 is fixedly connected to the side of the housing 35 away from the mold 7; multiple sets of spray pipes 34 are connected to the bottom end of the material box 33 corresponding to the probe 36.

[0039] During operation, the door 11 is opened, and the mold 7 is placed inside the housing 1 for surface flatness testing. The mold 7 is placed at the center of the bottom surface inside the housing 1. The first servo motor 22 is started, driving the transmission roller 23 to rotate. Since the transmission roller 23 is in contact with the inner top surface of the first guide rail 2, friction will occur when the transmission roller 23 rotates, causing the second support plate 31 to slide inside the first guide rail 2 and move the housing 35. When the probe 36 contacts the surface of the mold 7, the surface flatness testing of the mold 7 begins. The first servo motor 22 continues to drive the second servo motor 22 to rotate. The support plate 31 moves, and the probe 36 slides on the surface of the mold 7. When a protrusion appears on the surface of the mold 7, the probe 36 moves upward. When a pit appears on the surface of the mold 7, the probe 36 moves downward. When a gap appears on the surface of the mold 7, the probe 36 moves downward. When the probe 36 moves up and down, it drives the copper rod 361 to slide on the electrode plate 363, generating different electrical signals, thereby determining the flatness of the surface of the mold 7. The electrical signal will control the material box 33 to spray abrasive material through the spray pipe 34 at the uneven position on the surface of the mold 7, which acts as a conspicuous mark.

[0040] like Figure 4 As shown, an air duct 32 is fixedly connected to the outer side of the housing 35 near the mold 7; a flow channel is opened inside the air duct 32; and an air pipe is connected to the outside of the air duct 32.

[0041] During operation, when the flatness of the mold 7 surface is being tested, if there are dust, particles, or other impurities on the mold 7 surface, the probe 36 will move upwards when it touches it. This will affect the sliding of the probe 36 on the mold 7 surface and the flatness test of the mold 7 surface. Therefore, an air guide pipe 32 is installed. When the second support plate 31 moves, it drives the air guide pipe 32 to move. During the movement, the air guide pipe 32 blows air onto the surface of the mold 7 to clean the dust, particles, and other impurities on the mold 7 surface, making the mold 7 surface clean. This allows the probe 36 to directly contact the surface of the mold 7 and better test the flatness of the mold 7 surface.

[0042] like Figure 4 As shown, the air outlet of the air duct 32 is located at the bottom end of the air duct 32; the air outlet is inclined and far away from the probe 36; the area of ​​the end of the air outlet away from the air duct 32 is larger than the area of ​​the end of the air outlet in contact with the air duct 32.

[0043] During operation, while inspecting the flatness of the mold surface, not only does the air duct 32 clean the mold surface of 7 of dust, particles and other impurities, but the spray pipe 34 also sprays abrasive material to mark the uneven areas of the mold 7. To prevent the air duct 32 from blowing away the abrasive material sprayed on the mold surface of 7 and making it impossible to accurately determine the uneven areas of the mold surface of 7, the air outlet of the air duct 32 is tilted and far away from the probe 36, so that the air duct 32 will not affect the abrasive material when cleaning dust, particles and other impurities on the mold surface.

[0044] like Figures 3 to 8As shown, a set of second guide rails 21 are oppositely arranged on the top of the inner side wall of the housing 1; two sets of moving components are slidably connected within the second guide rails 21; the moving components include a first support plate 3, a first servo motor 22, a second servo motor 24, a lead screw 27, and a support block 28; a set of first servo motors 22 is fixedly connected to the top surface of the first support plate 3, and a transmission roller 23 is fixedly connected to the output end of the first servo motor 22; the transmission roller 23 is slidably connected to the top surface of the first guide rail 2; a second servo motor 24 is fixedly connected to the bottom surface of one end of the first support plate 3; a first gear 25 is fixedly connected to the output end of the second servo motor 24; a rectangular groove is formed at the center of the first support plate 3; the rectangular groove contains... A lead screw 27 is rotatably connected; a second gear 26 is fixedly connected to one end of the lead screw 27 near the second servo motor 24; the second gear 26 meshes with the first gear 25; a support block 28 is slidably connected to the rectangular groove of the first support plate 3; a ball nut 29 is fixedly connected inside the support block 28; the ball nut 29 is sleeved on the lead screw 27; an electric telescopic rod 4 is fixedly connected to the center of the bottom surface of the support block 28 in one of the moving components; a grinding component is fixedly connected to one end of the electric telescopic rod 4 away from the support block 28; the grinding component includes a drive motor 51; a fixed disk 52 is fixedly connected to the output end of the drive motor 51; a grinding disk 53 is fixedly connected to one end of the fixed disk 52 away from the drive motor 51.

[0045] During operation, after the surface flatness of mold 7 is tested, the uneven areas on the surface of mold 7 will be ground and polished. The different electrical signals emitted by probe 36 collected during the surface flatness test determine the location of the uneven areas on the surface of mold 7. Servo motor 22 is started, driving transmission roller 23 to rotate, causing support plate 3 to move on guide rail 21 and driving the grinding assembly to move. Servo motor 24 rotates, causing lead screw 27 to rotate through gears 25 and 26, which in turn drives support block 28 to drive the grinding assembly. The component slides on the first support plate 3, allowing the grinding assembly to move more accurately to the uneven area on the surface of the mold 7. Then, through the electric telescopic rod 4, the grinding disc 53 inside the grinding assembly directly contacts the uneven area on the surface of the mold 7. Subsequently, the drive motor 51 starts, driving the grinding disc 53 to rotate and grind the uneven area on the surface of the mold 7. Since the spray pipe 34 sprays abrasive material on the uneven area on the surface of the mold 7, the grinding and polishing effect is improved when grinding and polishing the uneven area on the surface of the mold 7, thus achieving the grinding and polishing of the uneven area on the surface of the mold 7.

[0046] like Figure 8 As shown, a dust cover 5 is snapped onto the outside of the drive motor 51; the bottom of the dust cover 5 has a hole, and the output shaft of the drive motor 51 passes through the hole; there is a gap between the dust cover 5 and the drive motor 51.

[0047] During operation, when the grinding component grinds the uneven areas on the surface of the mold 7, some debris will fly out. In order to prevent the debris from adhering to the housing of the drive motor 51 and affecting the heat dissipation of the drive motor 51, thereby affecting the operation of the drive motor 51, a dustproof shell 5 is attached to the outside of the drive motor 51. This effectively prevents dust from accumulating on the housing of the drive motor 51 and ensures the normal operation of the drive motor 51.

[0048] like Figure 3 , Figure 9 , Figure 10 As shown, another set of the moving components is located between the grinding component and the side wall of the housing 1; an electric telescopic rod 4 is fixedly connected to the center of the bottom surface of the support block 28 in this set of moving components; an electric spark deposition component is fixedly connected to one end of the electric telescopic rod 4 away from the support block 28; the electric spark deposition component includes a deposition gun 6.

[0049] During operation, after the grinding assembly grinds the uneven areas on the surface of mold 7, the surface of mold 7 is checked again for flatness to detect gaps and pits. After the flatness check, the location of gaps and pits on the surface of mold 7 is determined. The gaps and pits are then filled by the electric spark deposition assembly. The moving assembly moves the electric spark deposition assembly to the gaps and pits on the surface of mold 7, and the electric telescopic rod 4 extends, bringing the electrode at the front end of the deposition gun 6 into contact with the surface of mold 7. Then the deposition gun 6 is activated, generating a high-frequency electric spark discharge in the tiny area where the electrode contacts the surface of mold 7, ionizing the air between the electrode and the surface of mold 7 into plasma. This creates a plasma discharge channel between the electrode and the surface of mold 7, forming a micro-plasma arc. This plasma arc melts the tiny area of ​​the electrode tip and the substrate to form a micro-melt. During the subsequent cooling process, the molten metal solidifies to form a coating, filling the gaps and pits on the surface of mold 7, thus achieving the filling of gaps and pits on the surface of mold 7.

[0050] like Figures 9 to 10 As shown, an aeration pipe 61 is fixedly connected to the outside of the deposition gun 6; an air passage 611 is opened inside the aeration pipe 61; multiple sets of air holes 612 are opened on the bottom surface of the aeration pipe 61; the air holes 612 are inclined; and an air nozzle 62 is connected to the outside of the aeration pipe 61 corresponding to the air passage 611.

[0051] During operation, when the electrical discharge deposition assembly fills the gaps and pits on the surface of the mold 7, air oxidation will affect the quality and thickness of the weld overlay. Therefore, gas protection of the welding area should be done well. Argon can act as a protective gas to protect the weld overlay from oxidation and form a good deposition layer in the weld overlay metal. Therefore, an aeration pipe 61 is fixed to the outside of the deposition gun 6. Argon enters the aeration pipe 61 through the nozzle 62, passes through the air passage 611, and blows into the weld overlay area through the air hole 612, thereby protecting the weld overlay area from oxidation.

[0052] like Figure 3 , Figure 11 As shown, a set of moving components is slidably connected between a set of the first guide rails 2, and the set of moving components is located between the second support plate 31 and the side wall of the box 1; a Leeb hardness tester 8 is fixedly connected to the center of the bottom surface of the support block 28.

[0053] During operation, after filling the gaps and pits on the surface of mold 7, the surface treatment of mold 7 is completed. However, whether mold 7 meets the usage standards still needs to be tested for hardness. If mold 7 is put into use before its hardness meets the requirements, it will affect the appearance of the product during the later use of mold 7. Therefore, it is necessary to test the hardness of mold 7. The moving component drives the Leeb hardness tester to the surface of mold 7 to test the hardness of mold 7, thus achieving the effect of testing the hardness of mold 7.

[0054] like Figure 3 , Figure 12 , Figure 13 As shown, the bottom surface of the box 1 is provided with sliding grooves at the four corners of the mold 7; a limiting rod 73 is fixedly connected to the center of the sliding groove; a slider 71 is slidably connected in the sliding groove; the limiting rod 73 passes through the bottom of the slider 71; a second spring 72 is sleeved on the limiting rod 73, and the second spring 72 is located between the side wall of the slider 71 away from the mold 7 and the inner wall of the sliding groove.

[0055] During operation, to prevent the mold 7 from shifting during grinding and polishing, thus making it impossible to determine the parts of the mold 7 surface that need grinding and polishing, a locking block is installed on the bottom surface of the housing 1. When the mold 7 is placed into the housing 1, pressing it down causes the locking block to slide in the groove. The second spring 72 pushes the locking block to fix the mold 7 on the bottom surface of the housing 1, thereby achieving the effect of stabilizing the mold 7.

[0056] Example 2

[0057] like Figure 3 picture, Figure 10 As shown in the comparative embodiment one, another embodiment of the present invention is that the gas blown out by the air duct 32 is argon.

[0058] During operation, in order to prevent the weld overlay from being rapidly oxidized when the deposition gun 6 fills the gaps and pits on the surface of the mold 7, thus improving the quality of filling the gaps and pits, the air inside the chamber 1 is expelled as much as possible, so that a large amount of argon gas accumulates inside the chamber 1. Therefore, when the gas blown out by the air duct 32 to remove dust, particles and other impurities from the surface of the mold 7, argon gas is used, which can further fill the chamber 1 with argon gas. This ensures that the weld overlay is not rapidly oxidized when the deposition gun 6 fills the gaps and pits on the surface of the mold 7, thus improving the quality of filling the gaps and pits.

[0059] Working principle: Open the door 11 and place the mold 7 into the housing 1 for surface flatness testing. The mold 7 is placed at the center of the bottom surface inside the housing 1. The first servo motor 22 starts, and the transmission roller 23 rotates, causing the second support plate 31 to slide within the first guide rail 2, thus moving the housing 35. When the probe 36 contacts the surface of the mold 7, the surface flatness testing of the mold 7 begins. The first servo motor 22 continues to move the second support plate 31, and the probe 36 slides on the surface of the mold 7. During this movement, the air duct 32 blows argon gas onto the surface of the mold 7 to clean dust, particles, and other impurities, making the surface of the mold 7 clean. When the mold... When a bump appears on the surface of mold 7, probe 36 moves upward. When a pit appears on the surface of mold 7, probe 36 moves downward. When a gap appears on the surface of mold 7, probe 36 moves downward. When probe 36 moves up and down, it causes copper rod 361 to slide on electrode plate 363, generating different electrical signals. Different electrical signals can determine the flatness of the surface of mold 7. The electrical signals will control material box 33 to spray abrasive material through spray pipe 34 to the uneven areas on the surface of mold 7. After the flatness of the surface of mold 7 is detected, the uneven areas on the surface of mold 7 will be ground and polished. Servo motor 22 is started, driving transmission roller 23 to rotate. This causes the first support plate 3 to move on the second guide rail 21, which in turn moves the grinding assembly. The second servo motor 24 rotates, causing the lead screw 27 to rotate via the first gear 25 and the second gear 26. This, in turn, causes the support block 28 to slide the grinding assembly on the first support plate 3, allowing the eyepiece assembly to move more accurately to the uneven area on the surface of the mold 7. Then, via the electric telescopic rod 4, the grinding disc 53 inside the grinding assembly directly contacts the uneven area on the surface of the mold 7. Subsequently, the drive motor 51 starts, causing the grinding disc 53 to rotate and grind the uneven area on the surface of the mold 7. Abrasive material is sprayed onto the uneven area of ​​the mold 7 by the spray pipe 34. When grinding and polishing the uneven areas on the surface of mold 7, the grinding and polishing effect is improved. After grinding and polishing, the moving component moves the electric spark deposition component to the gaps and pits on the surface of mold 7. The electric telescopic rod 4 extends, bringing the electrode at the front end of the deposition gun 6 into contact with the surface of mold 7. Then the deposition gun 6 is activated. At the same time, an aeration tube 61 is fixed to the outside of the deposition gun 6. Argon gas enters the aeration tube 61 through the nozzle 62, passes through the air passage 611, and blows into the welding area through the air hole 612. High-frequency electric spark discharge is generated in the tiny area where the electrode contacts the surface of mold 7, ionizing the argon gas between the electrode and the surface of mold 7 into plasma. As a result, a plasma discharge channel is generated between the electrode and the surface of mold 7, forming a micro-plasma arc. This plasma arc melts the tiny area of ​​the electrode tip and the substrate to form a micro melt. During the subsequent cooling process, the molten metal solidifies to form a coating, filling the gaps and pits on the surface of mold 7. Then, the moving component moves the Leeb hardness tester to the surface of mold 7 to test the hardness of mold 7.

[0060] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0061] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0062] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold surface flatness testing device, characterized in that: The enclosure includes a housing (1); a door (11) is connected to one side of the opening on the top surface of the housing (1) via a hinge; a mold (7) is placed on the bottom surface of the housing (1), and the mold (7) is located at the center of the bottom surface of the housing (1); a set of first guide rails (2) are arranged opposite each other on the inner side wall of the housing (1); a second support plate (31) is slidably connected between the set of first guide rails (2); a set of first servo motors (22) is fixedly connected to the top surface of the second support plate (31), and a transmission roller (23) is fixedly connected to the output end of the first servo motor (22); the transmission roller (23) is tumbledly connected to the top surface of the first guide rail (2); A housing (35) is fixedly connected to the bottom surface of the second support plate (31); multiple sets of electrode plates (363) are fixedly connected to the inner wall of the housing (35); a copper rod (361) is slidably connected inside the electrode plate (363); a probe (36) is fixedly connected to the end of the copper rod (361) away from the electrode plate (363), and the copper rod (361) is located at the top of the probe (36); a spring (362) is fixedly connected between the probe (36) and the inner top surface of the housing (35); the probe (36) penetrates the bottom surface of the housing (35), and the probe (36) is slidably connected to the housing (35); a material box (33) is fixedly connected to the side of the housing (35) away from the mold (7); multiple sets of spray pipes (34) are connected to the bottom of the material box (33) corresponding to the probe (36).

2. The mold surface flatness testing device according to claim 1, characterized in that: An air duct (32) is fixed to the side wall of the shell (35) near the mold (7); a flow channel is opened inside the air duct (32); and an air pipe is connected to the outside of the air duct (32).

3. The mold surface flatness testing device according to claim 2, characterized in that: The air outlet of the air duct (32) is located at the bottom end of the air duct (32); the air outlet is inclined and far away from the probe (36); the area of ​​the end of the air outlet away from the air duct (32) is greater than the area of ​​the end of the air outlet that contacts the air duct (32).

4. The mold surface flatness testing device according to claim 1, characterized in that: A set of No. 2 guide rails (21) are arranged opposite each other on the top of the inner side wall of the box (1); two sets of moving components are slidably connected in the No. 2 guide rails (21); the moving components include a No. 1 support plate (3), a No. 1 servo motor (22), a No. 2 servo motor (24), a lead screw (27), and a support block (28); a set of No. 1 servo motors (22) are fixedly connected to the top surface of the No. 1 support plate (3), and a transmission roller (23) is fixedly connected to the output end of the No. 1 servo motor (22); the transmission roller (23) is slidably connected to the top surface of the No. 1 guide rail (21); a No. 2 servo motor (24) is fixedly connected to the bottom surface of one end of the No. 1 support plate (3); a No. 1 gear (25) is fixedly connected to the output end of the No. 2 servo motor (24); a rectangular groove is opened at the center of the No. 1 support plate (3); the rectangular groove is rotatably connected to... There is a lead screw (27); a second gear (26) is fixedly connected to one end of the lead screw (27) near the second servo motor (24); the second gear (26) meshes with the first gear (25); a support block (28) is slidably connected to the rectangular groove of the first support plate (3); a ball nut (29) is fixedly connected inside the support block (28); the ball nut (29) is sleeved on the lead screw (27); an electric telescopic rod (4) is fixedly connected to the center of the bottom surface of the support block (28) in a set of moving components; a grinding component is fixedly connected to one end of the electric telescopic rod (4) away from the support block (28); the grinding component includes a drive motor (51); a fixed disk (52) is fixedly connected to the output end of the drive motor (51); a grinding disk (53) is fixedly connected to one end of the fixed disk (52) away from the drive motor (51).

5. The mold surface flatness testing device according to claim 4, characterized in that: The drive motor (51) is externally fitted with a dust cover (5); the bottom of the dust cover (5) has a hole, and the output shaft of the drive motor (51) passes through the hole; there is a gap between the dust cover (5) and the drive motor (51).

6. The mold surface flatness testing device according to claim 4, characterized in that: Another set of the moving components is located between the grinding component and the side wall of the housing (1); an electric telescopic rod (4) is fixedly connected to the center of the bottom surface of the support block (28) in this set of moving components; an electric spark deposition component is fixedly connected to one end of the electric telescopic rod (4) away from the support block (28); the electric spark deposition component includes a deposition gun (6).

7. The mold surface flatness testing device according to claim 6, characterized in that: An aeration pipe (61) is fixedly connected to the outside of the deposition gun (6); an air passage (611) is opened inside the aeration pipe (61); multiple sets of air holes (612) are opened on the bottom surface of the aeration pipe (61); the air holes (612) are inclined; and an air nozzle (62) is connected to the outside of the aeration pipe (61) corresponding to the air passage (611).

8. The mold surface flatness testing device according to claim 4, characterized in that: Another set of moving components is slidably connected between the first set of guide rails (2), and the moving components are located between the second support plate (31) and the side wall of the box (1); a Leeb hardness tester (8) is fixed at the center of the bottom surface of the support block (28).

9. The mold surface flatness testing device according to claim 1, characterized in that: The bottom surface of the box (1) is provided with grooves at the four corners of the mold (7); a limiting rod (73) is fixedly connected to the center of the groove; a slider (71) is slidably connected in the groove; the limiting rod (73) passes through the bottom of the slider (71); a second spring (72) is sleeved on the limiting rod (73); the second spring (72) is located between the side wall of the slider (71) away from the mold (7) and the inner wall of the groove.

10. A mold surface flatness testing device according to claim 2, characterized in that: The gas blown out by the air duct (32) is argon.

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