Spraying equipment for automobile axle forging and pressing die

Abstract

The invention discloses automobile axle forging and pressing die spraying equipment, and relates to the field of die spraying, the automobile axle forging and pressing die spraying equipment comprises a bottom frame, an air drying device and a top cover, a conveying mechanism is arranged on the upper portion of an inner cavity of the bottom frame, the top cover is fixedly connected to the middle of the upper side of the bottom frame, and the air drying device is fixedly installed on one side of the top cover; a swing type multi-shaft spraying mechanism is arranged in the middle of an inner cavity of the top cover. The forging and pressing die is conveyed to the top cover through the conveying mechanism, the first servo motor drives the disc to rotate, the upper end of the connecting arm does circular motion, and meanwhile the lower end of the connecting arm drives the annular disc to do reciprocating arc motion, so that the first shaft is driven to rotate forwards and backwards at a certain angle; and the spraying guns on the first shaft, the second shaft and the third shaft are driven to swing, the multiple spraying guns spray while swinging, repeated uniform spraying is achieved, it is guaranteed that a coating of a high-friction part is uniform and thick, and the protection effect on a mold is improved.

Description

Technical Field

[0001] The invention relates to the technical field of die spraying, in particular to a kind of automobile axle forging die spraying equipment. Background Art

[0002] Automobile axle forging dies are special dies used to manufacture automobile axles. These dies use forging technology to process metal materials (usually steel) into different parts of the axle, such as the axle housing, bracket, etc. The surface of the die is often treated by spraying, etc., in order to increase the wear resistance and corrosion resistance of the surface and extend the service life of the die. These treatments can effectively reduce the wear and damage of the die during the forging process. For example, Chinese patent CN110773366A discloses a spraying device for an automobile axle forging die, comprising a workbench, four driving seats symmetrically arranged in pairs are fixedly installed on the top of the workbench, two supporting seats symmetrically arranged are fixedly installed on the top of the workbench, the same connecting plate is fixedly installed on the side where the two supporting seats are close to each other, a cleaning component is arranged on the connecting plate, two mounting seats are symmetrically arranged on the top of the workbench, the same welding plate is fixedly installed on the side where the two mounting seats are close to each other, a spraying seat is fixedly installed on the top of the workbench, a spraying slot is opened on the spraying seat, a belt passes through the spraying slot, a rotating rod is rotatably connected in the spraying slot, the bottom of the rotating rod is rotatably connected to a rotating box, and a paint storage box is arranged on the top of the rotating box.

[0003] However, in the prior art, the die coating is very important for the actual forging position of the die. The existing devices do not spray targeted coating or the coating is uneven, and some areas lack adequate protection, resulting in increased wear. In high friction areas, the die will wear faster than other areas, thus shortening the service life of the die. Summary of the invention

[0004] The purpose of the present invention is to provide a spraying device for automobile axle forging dies to solve the problem that the existing devices mentioned in the above background technology do not spray targetedly or the spray layer is uneven, some areas lack sufficient protection, resulting in increased wear. In high friction areas, they will wear faster than other areas, thereby shortening the service life of the die.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: an automobile axle forging die spraying device, comprising a base frame, an air drying device and a top cover, wherein a conveying mechanism is arranged at the upper part of the inner cavity of the base frame, a top cover is fixedly connected to the middle part of the upper side of the base frame, an air drying device is fixedly installed on one side of the top cover, and a swinging multi-axis spraying mechanism is arranged at the middle part of the inner cavity of the top cover; The swing-type multi-axis spraying mechanism is composed of a first servo motor, a swing component, a spraying component and a multi-axis linkage component. The first servo motor drives the swing component to swing back and forth. Under the connection of the multi-axis linkage component, the spraying component is driven to swing and perform swing spraying. The swing assembly includes a disc, a connecting arm, a first shaft, a ring disc, a second shaft and a third shaft. The first shaft, the second shaft and the third shaft are parallel to each other and rotatably installed inside the top cover. The ring disc is fixedly connected to one end of the first shaft. An arc groove is provided inside the disc. The connecting arm is movably connected to the edge of the ring disc and the inner wall of the arc groove respectively. The middle parts of the outer annular surfaces of the first shaft, the second shaft and the third shaft are fixedly installed with the spray assembly to form multiple spray routes.

[0006] Preferably, the spray assembly includes a main connecting pipe, a branch pipe, a spray gun and a connecting sleeve, the multiple branch ends of the main connecting pipe are fixedly connected to a group of branch pipes, and the other end of the main connecting pipe is connected to the raw material box through a pump body.

[0007] Preferably, both ends of the branch pipe are fixedly connected to a group of the spray guns, and the outer sides of the spray guns are fixedly connected to the connecting sleeve.

[0008] Preferably, the connecting sleeve is respectively sleeved on the outer annular surfaces of the first shaft, the second shaft and the third shaft.

[0009] Preferably, the multi-axis linkage assembly includes a first set of rods, a first connecting rod, a second set of rods, a second connecting rod and a third set of rods, and the first set of rods, the second set of rods and the third set of rods are respectively sleeved on the ends of the first shaft, the second shaft and the third shaft.

[0010] Preferably, the rod portions of the first set of rods and the third set of rods are oriented in the same direction, and the rod portion of the second set of rods is oriented in the opposite direction to that of the rod portion of the first set of rods.

[0011] Preferably, the first set of rods and the second set of rods are movably connected via the first connecting rod, and the second set of rods and the third set of rods are movably connected via the second connecting rod.

[0012] Preferably, the swinging multi-axis spraying mechanism is located in the upper middle part of the conveying mechanism, and the conveying mechanism includes a second servo motor, a driving pulley, a belt, a driven pulley, a metal mesh belt, a driving roller and a driven roller, and the second servo motor is fixedly connected to the inside of the base frame.

[0013] Preferably, the driving pulley is fixedly mounted on the output shaft of the second servo motor, the driving pulley is transmission connected to the driven pulley through the belt, the driven pulley is fixedly mounted on the end of the driving roller, the driving roller is rotatably mounted on one end of the base frame, the driven roller is rotatably mounted on the other end of the base frame, and the metal mesh belt is transmission connected to the outer annular surfaces of the driving roller and the driven roller.

[0014] Preferably, a main box is fixedly connected to the middle and lower part of the inner cavity of the chassis, multiple groups of auxiliary boxes are respectively arranged on both sides of the main box, and multiple groups of rubber tubes are fixedly connected between the auxiliary boxes and the main box.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the forging die is conveyed to the top cover by a transmission mechanism, the first servo motor drives the disc to rotate, and while the upper end of the connecting arm makes a circular motion, the lower end of the connecting arm drives the ring disc to make a reciprocating arc motion, thereby driving the first axis to rotate forward and reverse at a certain angle. Under the connection of the multi-axis linkage assembly, the spray guns on the first axis, the second axis and the third axis are driven to swing, and multiple spray guns spray while swinging to achieve repetitive and uniform spraying, thereby ensuring that the coating at the high friction part is uniform and thick, and improving the protection of the die.

[0016] 2. In the present invention, the first shaft rotates forward and reverse at a certain angle, and the first shaft drives the first set of rods to swing periodically. Under the connecting action of the first connecting rod, the second set of rods are driven to swing periodically, thereby driving the second shaft to rotate forward and reverse at a certain angle. Under the connecting action of the second connecting rod, the third set of rods are driven to swing periodically, thereby driving the third shaft to rotate forward and reverse at a certain angle, thereby driving the spray guns on the first shaft, the second shaft and the third shaft to swing.

[0017] 3. In the present invention, by controlling the start of the second servo motor, the second servo motor drives the active pulley to rotate, and the active pulley drives the driven pulley to rotate under the connection of the belt, thereby driving the active roller to rotate, and under the cooperation of the driven roller, the metal mesh belt is driven to rotate in the upper part of the inner cavity of the chassis, and the forging die to be sprayed is placed on the metal mesh belt with the forging surface of the die facing upward, and moved toward the inside of the top cover for spraying. Under the transmission of the metal mesh belt, the die gradually enters the air-drying device from the top cover. The air-drying device is mainly a fan, which is used for air-drying. The sprayed forging die is removed from the other end of the metal mesh belt, and the excess coating raw materials fall into multiple sub-boxes and are collected in the main box through rubber tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a spraying device for a forging die of an automobile axle of the present invention; Figure 2 It is a front view of a spraying device for a forging die of an automobile axle of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure inside the spraying equipment of the automobile axle forging die of the present invention; Figure 4 It is a three-dimensional structural schematic diagram of the positional relationship of a swing-type multi-line spraying mechanism in a spraying device for a forging die of an automobile axle of the present invention; Figure 5 It is a three-dimensional structural schematic diagram of a swing-type multi-line spraying mechanism in a spraying device for a forging die of an automobile axle of the present invention; Figure 6 A side view of a swing assembly in a spraying device for a forging die of an automobile axle according to the present invention; Figure 7 The present invention is a schematic diagram of the three-dimensional structure of a multi-axis linkage assembly in a spraying device for a forging die of an automobile axle.

[0019] In the figure: 1. chassis; 2. air drying device; 3. top cover; 4. swing-type multi-axis spraying mechanism; 41. first servo motor; 42. swing assembly; 421. disc; 422. arc groove; 423. connecting arm; 424. first axis; 425. ring disc; 426. second axis; 427. third axis; 43. spraying assembly; 431. main connecting pipe; 432. branch pipe; 433. spray gun; 434. connecting sleeve; 44. multi-axis linkage assembly; 441. first set of rods; 442. first connecting rod; 443. second set of rods; 444. second connecting rod; 445. third set of rods; 5. transmission mechanism; 51. second servo motor; 52. driving pulley; 53. belt; 54. driven pulley; 55. metal mesh belt; 56. driving roller; 57. driven roller; 6. auxiliary box; 7. rubber tube; 8. main box. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example 1: Reference Figure 1 - Figure 7As shown: a kind of automobile axle forging die spraying equipment, including a base frame 1, an air drying device 2 and a top cover 3, a conveying mechanism 5 is arranged on the upper part of the inner cavity of the base frame 1, a top cover 3 is fixedly connected to the middle part of the upper side of the base frame 1, a side of the top cover 3 is fixedly installed with the air drying device 2, a swinging multi-axis spraying mechanism 4 is arranged in the middle part of the inner cavity of the top cover 3, the swinging multi-axis spraying mechanism 4 is composed of a first servo motor 41, a swinging assembly 42, a spraying assembly 43 and a multi-axis linkage assembly 44, the first servo motor 41 drives the swinging assembly 42 to swing back and forth, under the connection action of the multi-axis linkage assembly 44, drives the spraying assembly 43 to swing and perform swing spraying, the swinging assembly 42 includes a disc 421, a connecting arm 423, a first shaft 424, a ring disc 425, a second shaft 426 and a third shaft 427, the first shaft 424, the second shaft 426 and the third shaft 427 are parallel to each other and are rotatably installed Inside the top cover 3, the ring disk 425 is fixedly connected to one end of the first shaft 424, an arc groove 422 is opened inside the disc 421, and the connecting arm 423 is movably connected to the edge of the ring disk 425 and the inner wall of the arc groove 422 respectively. The middle part of the outer ring surface of the first shaft 424, the second shaft 426 and the third shaft 427 are fixedly installed with the spray assembly 43 to form multiple spray routes. The spray assembly 43 includes a main connecting pipe 431, a branch pipe 432, a spray gun 433 and a connecting sleeve 434. Multiple branch ends of the main connecting pipe 431 are fixedly connected to a group of branch pipes 432, and the other end of the main connecting pipe 431 is connected to the raw material box through the pump body. Both ends of the branch pipe 432 are fixedly connected to a group of spray guns 433, and the outer side of the spray gun 433 is fixedly connected to the connecting sleeve 434. The connecting sleeve 434 is respectively sleeved on the outer ring surface of the first shaft 424, the second shaft 426 and the third shaft 427.

[0022] In this embodiment, the forging die is conveyed to the top cover 3 by the conveying mechanism 5, and the first servo motor 41 is controlled to start, and the first servo motor 41 drives the disc 421 to rotate, and one end of the connecting arm 423 is movably connected to the disc 421 through the arc groove 422, thereby driving one end of the connecting arm 423 to make a circular motion, and the other end of the connecting arm 423 is movably connected to the edge of the ring disk 425, and the distance between the connection point at the lower end of the connecting arm 423 and the center of the circle is greater than the distance between the upper end of the connecting arm 423 and the center of the circle. Therefore, when the upper end of the connecting arm 423 makes a circular motion, the lower end of the connecting arm 423 The ring disk 425 is driven to make reciprocating arc motion, thereby driving the first shaft 424 to rotate forward and reverse at a certain angle. Under the connection action of the multi-axis linkage assembly 44, the spray guns 433 on the first shaft 424, the second shaft 426 and the third shaft 427 are driven to swing. At the same time, the pump body draws raw materials from the external raw material box into the main connecting pipe 431, enters different branch pipes 432 through its branch end, and finally enters multiple spray guns 433. Multiple spray guns 433 spray while swinging to achieve repetitive and uniform spraying, ensure that the coating on high friction parts is uniform and thick, and improve the protection of the mold.

[0023] Embodiment 2: According to Figure 4 - Figure 7 As shown, the multi-axis linkage assembly 44 includes a first set of rods 441, a first connecting rod 442, a second set of rods 443, a second connecting rod 444 and a third set of rods 445. The first set of rods 441, the second set of rods 443 and the third set of rods 445 are respectively sleeved on the ends of the first shaft 424, the second shaft 426 and the third shaft 427. The rods of the first set of rods 441 and the third set of rods 445 are oriented in the same direction, the rod position of the second set of rods 443 is opposite to the direction of the rod of the first set of rods 441, the first set of rods 441 and the second set of rods 443 are movably connected by the first connecting rod 442, and the second set of rods 443 and the third set of rods 445 are movably connected by the second connecting rod 444.

[0024] In this embodiment, the first shaft 424 rotates forward and reverse at a certain angle, and the first shaft 424 drives the first set of rods 441 to swing periodically, and under the connecting action of the first connecting rod 442, the second set of rods 443 are driven to swing periodically, thereby driving the second shaft 426 to rotate forward and reverse at a certain angle, and under the connecting action of the second connecting rod 444, the third set of rods 445 are driven to swing periodically, thereby driving the third shaft 427 to rotate forward and reverse at a certain angle, thereby driving the spray gun 433 on the first shaft 424, the second shaft 426 and the third shaft 427 to swing.

[0025] Embodiment 3: According to Figure 1 - Figure 4 As shown, the swing-type multi-axis spraying mechanism 4 is located in the upper middle part of the transmission mechanism 5. The transmission mechanism 5 includes a second servo motor 51, a driving pulley 52, a belt 53, a driven pulley 54, a metal mesh belt 55, a driving roller 56 and a driven roller 57. The second servo motor 51 is fixedly connected to the inside of the chassis 1, the driving pulley 52 is fixedly installed on the output shaft of the second servo motor 51, the driving pulley 52 is transmission-connected with the driven pulley 54 through the belt 53, the driven pulley 54 is fixedly installed on the end of the driving roller 56, the driving roller 56 is rotatably installed at one end of the chassis 1, and the driven roller 57 is rotatably installed at the other end of the chassis 1, the metal mesh belt 55 is transmission-connected to the outer annular surfaces of the driving roller 56 and the driven roller 57, and a main box 8 is fixedly connected to the middle and lower part of the inner cavity of the chassis 1, and multiple groups of auxiliary boxes 6 are respectively arranged on both sides of the main box 8, and multiple groups of rubber tubes 7 are fixedly connected between the auxiliary box 6 and the main box 8.

[0026] In this embodiment, by controlling the second servo motor 51 to start, the second servo motor 51 drives the active pulley 52 to rotate, and the active pulley 52 drives the driven pulley 54 to rotate under the connection action of the belt 53, thereby driving the active roller 56 to rotate, and with the cooperation of the driven roller 57, the metal mesh belt 55 is driven to rotate in the upper part of the inner cavity of the base frame 1, and the forging die to be sprayed is placed on the metal mesh belt 55 with the forging surface of the die facing up, and moved toward the inside of the top cover 3 for spraying. Under the transmission of the metal mesh belt 55, the die gradually enters the air-drying device 2 from the top cover 3. The air-drying device 2 is mainly a fan, which is used for air-drying. The sprayed forging die is removed from the other end of the metal mesh belt 55, and the excess coating raw materials fall into multiple auxiliary boxes 6, and are collected in the main box 8 through the rubber tube 7.

[0027] The use method and working principle of the device: When the automobile axle forging die spraying equipment is used, the second servo motor 51 is controlled to start, and the second servo motor 51 drives the active pulley 52 to rotate. Under the connection of the belt 53, the active pulley 52 drives the driven pulley 54 to rotate, thereby driving the active roller 56 to rotate, and under the cooperation of the driven roller 57, the metal mesh belt 55 is driven to rotate on the upper part of the inner cavity of the bottom frame 1, and the forging die to be sprayed is placed on the metal mesh belt 55, with the forging surface of the die facing up, and moved toward the inside of the top cover 3; When the mold moves to the inside of the top cover 3, the first servo motor 41 is controlled to start, and the first servo motor 41 drives the disc 421 to rotate. One end of the connecting arm 423 is movably connected to the disc 421 through the arc groove 422, thereby driving one end of the connecting arm 423 to make a circular motion, and the other end of the connecting arm 423 is movably connected to the edge of the ring disc 425. The distance between the connection point at the lower end of the connecting arm 423 and the center of the circle is greater than the distance between the upper end of the connecting arm 423 and the center of the circle. Therefore, when the upper end of the connecting arm 423 makes a circular motion, the lower end of the connecting arm 423 drives the ring disc 425 to make a reciprocating arc motion, thereby driving the first shaft 424 to rotate forward and reverse at a certain angle; The first shaft 424 drives the first set of rods 441 to swing periodically, and drives the second set of rods 443 to swing periodically under the connection of the first connecting rod 442, thereby driving the second shaft 426 to rotate forward and reverse at a certain angle, and drives the third set of rods 445 to swing periodically under the connection of the second connecting rod 444, thereby driving the third shaft 427 to rotate forward and reverse at a certain angle, thereby driving the spray guns 433 on the first shaft 424, the second shaft 426 and the third shaft 427 to swing; At the same time, the pump body draws raw materials from the external raw material box into the main connecting pipe 431, enters different branch pipes 432 through its branch end, and finally enters multiple spray guns 433. Multiple spray guns 433 swing and spray at the same time to achieve repeatable and uniform spraying. The gaps between the first axis 424, the second axis 426 and the third axis 427 are relatively large, and the multiple spray guns 433 thereon will not interfere with each other. Under the transmission of the metal mesh belt 55, the mold gradually enters the air-drying device 2 from the top cover 3. The air-drying device 2 is mainly a fan, which is used for air-drying. The sprayed forging mold is removed from the other end of the metal mesh belt 55, and the excess coating raw materials fall into multiple auxiliary boxes 6, and are collected in the main box 8 through the rubber tube 7.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spray coating device for a forging die of an automobile axle, comprising a base frame (1), an air drying device (2) and a top cover (3), characterized in that: A conveying mechanism (5) is arranged at the upper part of the inner cavity of the base frame (1); a top cover (3) is fixedly connected to the middle part of the upper side of the base frame (1); a drying device (2) is fixedly installed on one side of the top cover (3); and a swinging multi-axis spraying mechanism (4) is arranged at the middle part of the inner cavity of the top cover (3); The swing-type multi-axis spraying mechanism (4) is composed of a first servo motor (41), a swing component (42), a spraying component (43) and a multi-axis linkage component (44); the first servo motor (41) drives the swing component (42) to swing back and forth, and under the connection of the multi-axis linkage component (44), drives the spraying component (43) to swing while performing swing spraying; The swing assembly (42) comprises a disc (421), a connecting arm (423), a first shaft (424), a ring disc (425), a second shaft (426) and a third shaft (427); the first shaft (424), the second shaft (426) and the third shaft (427) are parallel to each other and rotatably mounted inside the top cover (3); the ring disc (425) is fixedly connected to one end of the first shaft (424); an arc groove (422) is provided inside the disc (421); the connecting arm (423) is movably connected to the edge of the ring disc (425) and the inner wall of the arc groove (422) respectively; the middle parts of the outer annular surfaces of the first shaft (424), the second shaft (426) and the third shaft (427) are fixedly mounted to the spray assembly (43) to form a plurality of spray routes.

2. The automobile axle forging die spraying equipment according to claim 1, characterized in that: The spray assembly (43) comprises a main connecting pipe (431), a branch pipe (432), a spray gun (433) and a connecting sleeve (434); a plurality of branch ends of the main connecting pipe (431) are fixedly connected to a group of branch pipes (432); and the other end of the main connecting pipe (431) is connected to a raw material box via a pump body.

3. The automobile axle forging die spraying equipment according to claim 2, characterized in that: Both ends of the branch pipe (432) are fixedly connected to a group of spray guns (433), and the outer sides of the spray guns (433) are fixedly connected to the connecting sleeve (434).

4. The automobile axle forging die spraying equipment according to claim 3 is characterized in that: The connecting sleeve (434) is respectively sleeved on the outer annular surfaces of the first shaft (424), the second shaft (426) and the third shaft (427).

5. The automobile axle forging die spraying equipment according to claim 4, characterized in that: The multi-axis linkage assembly (44) comprises a first set of rods (441), a first connecting rod (442), a second set of rods (443), a second connecting rod (444) and a third set of rods (445); the first set of rods (441), the second set of rods (443) and the third set of rods (445) are respectively sleeved on the ends of the first shaft (424), the second shaft (426) and the third shaft (427).

6. The automobile axle forging die spraying equipment according to claim 5, characterized in that: The rod portions of the first set of rods (441) and the third set of rods (445) are oriented in the same direction, and the rod portion of the second set of rods (443) is oriented in the opposite direction to the rod portion of the first set of rods (441).

7. The automobile axle forging die spraying equipment according to claim 6, characterized in that: The first set of rods (441) and the second set of rods (443) are movably connected via the first connecting rod (442), and the second set of rods (443) and the third set of rods (445) are movably connected via the second connecting rod (444).

8. The automobile axle forging die spraying equipment according to claim 7, characterized in that: The swing-type multi-axis spraying mechanism (4) is located in the upper middle portion of the conveying mechanism (5); the conveying mechanism (5) comprises a second servo motor (51), a driving pulley (52), a belt (53), a driven pulley (54), a metal mesh belt (55), a driving roller (56) and a driven roller (57); the second servo motor (51) is fixedly connected to the interior of the base frame (1).

9. The automobile axle forging die spraying equipment according to claim 8, characterized in that: The driving pulley (52) is fixedly mounted on the output shaft of the second servo motor (51); the driving pulley (52) is transmission-connected to the driven pulley (54) via the belt (53); the driven pulley (54) is fixedly mounted on the end of the driving roller (56); the driving roller (56) is rotationally mounted on one end of the base frame (1); the driven roller (57) is rotationally mounted on the other end of the base frame (1); and the metal mesh belt (55) is transmission-connected to the outer annular surfaces of the driving roller (56) and the driven roller (57).

10. The automobile axle forging die spraying equipment according to claim 9, characterized in that: A main box (8) is fixedly connected to the middle and lower part of the inner cavity of the base frame (1), and multiple groups of auxiliary boxes (6) are respectively arranged on both sides of the main box (8), and multiple groups of rubber tubes (7) are fixedly connected between the auxiliary boxes (6) and the main box (8).

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