CN113210604B

CN113210604B - Powder metallurgy manufacturing equipment of automobile transmission part and manufacturing method thereof

Info

Publication number: CN113210604B
Application number: CN202110570461.2A
Authority: CN
Inventors: 张严
Original assignee: Ningbo Jiale Precision Manufacturing Co ltd; Ningbo Rigang Powder Metallurgy Co ltd
Current assignee: Ningbo Jiale Precision Manufacturing Co ltd; Ningbo Rigang Powder Metallurgy Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-12-06
Anticipated expiration: 2041-05-25
Also published as: CN113210604A

Abstract

The invention discloses powder metallurgy manufacturing equipment of an automobile driving medium and a manufacturing method thereof, and the powder metallurgy manufacturing equipment comprises a bottom plate and a mounting plate, wherein the mounting plate is fixedly connected to the upper surface of the bottom plate, a fixing plate is fixedly connected to the upper surface of the mounting plate, round holes are symmetrically formed in the upper surface of the fixing plate, connecting columns are installed inside the round holes in a matched mode, one ends of the four connecting columns are fixedly connected with the bottom plate, adjusting devices are installed on the surfaces of the four connecting columns in a sliding mode, one ends, far away from the bottom plate, of the four connecting columns are fixedly connected with a top plate, a pressing device is fixedly connected to the lower surface of the top plate, a feeding device is arranged below the bottom plate, and the feeding device is fixedly connected with the adjusting devices.

Description

Powder metallurgy manufacturing equipment of automobile transmission part and manufacturing method thereof

Technical Field

The invention relates to the technical field of automobile transmission part manufacturing equipment, in particular to powder metallurgy manufacturing equipment of an automobile transmission part and a manufacturing method thereof.

Background

Powder metallurgy is a process technology for producing metal materials, composite materials and various products by using metal powder (or a mixture of metal powder and nonmetal powder) as a raw material and forming and sintering the raw material. The powder metallurgy method has similar places to the production of ceramics and belongs to the powder sintering technology, so a series of new powder metallurgy technologies can also be used for preparing ceramic materials. Due to the advantages of the powder metallurgy technology, the powder metallurgy technology becomes a key for solving the problem of new materials, and plays a significant role in the development of the new materials.

The gear is an important driving medium in an automobile, the existing powder metallurgy manufacturing equipment for the gear has low adaptability, one kind of equipment only can be used for pressing and forming one kind of gear, and the practicability is low.

Disclosure of Invention

The invention aims to provide powder metallurgy manufacturing equipment for automobile transmission parts and a manufacturing method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a powder metallurgy manufacturing equipment of driving medium, includes bottom plate and mounting panel, the last fixed surface of bottom plate is connected with the mounting panel, the last fixed surface of mounting panel is connected with the fixed plate, the round hole has been seted up to the upper surface symmetry of fixed plate, the spliced pole, four are installed to the inside cooperation of round hole the one end and the bottom plate fixed connection of spliced pole, four the sliding surface of spliced pole installs adjusting device, four the one end fixedly connected with roof of bottom plate is kept away from to the spliced pole, the lower fixed surface of roof is connected with and pushes down the device, the below of bottom plate is provided with feed arrangement, feed arrangement and adjusting device fixed connection.

Preferably, the pushing device comprises a hydraulic telescopic rod, a lifting plate and a pushing module, the lower surface of the top plate is symmetrically and fixedly connected with the hydraulic telescopic rod, the two ends of the hydraulic telescopic rod, far away from the top plate, are fixedly connected with the lifting plate, and the lower surface of the lifting plate is fixedly connected with the pushing module.

Preferably, adjusting device includes first spring, fly leaf, mounting groove, servo motor, transmission bevel gear, rack, rotor plate, first arc, second arc, trapezoidal piece, plectane, annular plate and tooth's socket, the surface cover of spliced pole is equipped with first spring, four fixed surface is connected on the one end of first spring and the bottom plate, four fixed surface is connected with the fly leaf, four the one end fixedly connected with fly leaf of bottom plate, four are kept away from to first spring the spliced pole all with fly leaf sliding connection, fly leaf upper surface center department has seted up the mounting groove, the surface mounting of mounting groove has servo motor, servo motor's output fixedly connected with transmission bevel gear, transmission bevel gear's outside meshing is connected with the rack, the rotor plate is installed in the bottom rotation of mounting groove, the first arc of last fixed surface fixedly connected with of rotor plate, the fixed surface of mounting groove is connected with the second arc, the upper surface of rotor plate rotates and is connected with a plurality of trapezoidal pieces, and is a plurality of trapezoidal pieces all with second arc sliding connection, the surface of mounting groove is located the top fixedly connected with the plectane of second arc, a plurality of trapezoidal pieces are connected with the annular plate, the annular piece and the annular plate sliding surface mounting is seted up a plurality of trapezoidal piece.

Preferably, the surface of the first arc-shaped plate is symmetrically provided with inclined grooves.

Preferably, feed arrangement includes feed valve, extension plate, installation piece, cylinder, connects workbin, feeding case, inlet pipe, rectangular plate, photoelectric sensor, second spring and upstand, the lateral wall fixedly connected with extension plate of fly leaf, the one end fixedly connected with installation piece of fly leaf is kept away from to the upper surface of extension plate, the surperficial symmetry fixedly connected with cylinder of installation piece, two the one end fixedly connected with that the installation piece was kept away from to the cylinder connects the workbin, connect workbin and extension plate and fly leaf sliding mounting, connect the top upper surface symmetry fixedly connected with upstand of workbin, the surface cover of upstand is equipped with the second spring, four upstand surperficial sliding connection has the rectangular plate, the lower fixed surface of rectangular plate is connected with the feeding case, the feeding case with connect workbin sliding mounting, the top fixedly connected with inlet pipe of feeding case, and the inlet pipe is linked together, four the one end and the rectangular plate fixed connection that connect the workbin are kept away from to the second spring, connect the top upper surface fixed connection of workbin to have photoelectric sensor, the internally mounted of feeding case has the feed valve.

Preferably, four the upstands are kept away from the one end fixedly connected with stopper that connects the workbin.

Preferably, the initial state of the first spring and the initial state of the second spring are both in a compressed state.

Preferably, an electromagnet is installed inside the movable plate.

The powder metallurgy manufacturing method of the automobile transmission part comprises the following steps:

the method comprises the following steps: according to the weight ratio, 2 percent of copper powder, 0.8 percent of graphite, 0.6 percent of silicon carbide, 5 percent of nickel powder and the balance of iron-based powder, putting the heavy raw materials into a stirring container for stirring and mixing for 60 minutes;

step two: conveying the fully stirred and mixed raw materials into a die to be pressed into a blank, wherein the pressure value is 410 MPa

Step three: and (3) conveying the primary finished product into a furnace for sintering at 1200 ℃, then cooling and discharging, and performing subsequent surface treatment.

Compared with the prior art, the invention has the beneficial effects that:

the side wall of the bottom plate can be provided with a controller, the photoelectric sensor, the feed valve, the electromagnet, the servo motor and the pressing module are all connected with the controller through leads, the controller is precisely controlled by a computer program, the servo motor is controlled by the controller to start, the transmission bevel gear is driven to rotate, the rotating plate is driven to rotate, the first arc-shaped plate is driven to move to the position below the second arc-shaped plate, the chute and the plurality of trapezoidal blocks slide relatively, the trapezoidal blocks are driven to be matched with the tooth grooves, the tooth number of the gear formed by pressing is reduced, the pressing module has adaptability, the pressing module is similar to a pressing structure of an existing pressing gear forming die, the pressing module has the same working principle and is convenient to be matched with an adjusting device, the feeding is carried out through the feed pipe, the distance between the photoelectric sensor and the rectangular plate is sensed through the photoelectric sensor, a signal is transmitted to the controller, the controller controls the feed valve to be opened to feed, the material is driven by the air cylinder to be placed above the mounting groove to feed the material, the material receiving box is arranged above the mounting groove to adjust the preset value of the photoelectric sensor, and the material loading amount, and the device has practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a second schematic view of the overall structure of the present invention;

FIG. 3 is a third schematic view of the overall structure of the present invention;

FIG. 4 is a fourth schematic view of the overall structure of the present invention.

In the figure: 1. a base plate; 2. mounting a plate; 3. a fixing plate; 4. a circular hole; 5. connecting columns; 6. an adjustment device; 7. a top plate; 8. a pressing device; 9. a feeding device; 10. a hydraulic telescopic rod; 11. a lifting plate; 12. pressing the module; 13. a first spring; 14. a movable plate; 15. mounting grooves; 16. a circular plate; 17. an annular plate; 18. a tooth socket; 19. a servo motor; 20. a drive bevel gear; 21. a rack; 22. a rotating plate; 23. a first arc-shaped plate; 24. a second arc-shaped plate; 25. a trapezoidal block; 26. a chute; 27. an electromagnet; 28. an extension plate; 29. mounting blocks; 30. a cylinder; 31. a material receiving box; 32. a feeding box; 33. a feed pipe; 34. a rectangular plate; 35. a photosensor; 36. a second spring; 37. a vertical post; 38. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides a powder metallurgy manufacturing equipment of driving medium of automobile, includes bottom plate 1 and mounting panel 2, the last fixed surface of bottom plate 1 is connected with mounting panel 2, the last fixed surface of mounting panel 2 is connected with fixed plate 3, round hole 4 has been seted up to the upper surface symmetry of fixed plate 3, spliced pole 5, four are installed to the inside cooperation of round hole 4 the one end and the 1 fixed connection of bottom plate of spliced pole 5, four the sliding surface of spliced pole 5 installs adjusting device 6, four the one end fixedly connected with roof 7 of bottom plate 1 is kept away from to spliced pole 5, the lower fixed surface of roof 7 is connected with and pushes down device 8, the below of bottom plate 1 is provided with feed arrangement 9, feed arrangement 9 and 6 fixed connection of adjusting device.

Referring to fig. 2, the pressing device 8 includes hydraulic telescopic rods 10, lifting plates 11 and pressing modules 12, the hydraulic telescopic rods 10 are symmetrically and fixedly connected to the lower surface of the top plate 7, the lifting plates 11 are fixedly connected to the ends, far away from the top plate 7, of the two hydraulic telescopic rods 10, and the pressing modules 12 are fixedly connected to the lower surface of the lifting plates 11 to press and form the raw materials.

Referring to fig. 1, 3 and 4, the adjusting device 6 includes a first spring 13, a movable plate 14, a mounting groove 15, a servo motor 19, a transmission bevel gear 20, a rack 21, a rotating plate 22, a first arc-shaped plate 23, a second arc-shaped plate 24, a trapezoidal block 25, a circular plate 16, an annular plate 17 and a tooth groove 18, the surface of the connecting column 5 is sleeved with the first spring 13, one end of the four first springs 13 is fixedly connected with the upper surface of the bottom plate 1, one end of the four first springs 13 away from the bottom plate 1 is fixedly connected with the movable plate 14, the four connecting columns 5 are all slidably connected with the movable plate 14, the mounting groove 15 is formed in the center of the upper surface of the movable plate 14, the servo motor 19 is mounted on the surface of the mounting groove 15, the output end of the servo motor 19 is fixedly connected with the transmission bevel gear, the outer side of the transmission bevel gear is engaged with the rack 21, the bottom of the mounting groove 15 is rotatably mounted with the rotating plate 22, the upper surface of the rotating plate 22 is fixedly connected with the first arc-shaped plate 23, the upper surface of the rotating plate 15 is fixedly connected with the second arc-shaped plate 24, the sliding block 16 is connected with the plurality of the sliding blocks 16, the sliding blocks 16 are connected with the sliding blocks 16, the sliding block 16 is connected with the sliding block 16, three or six trapezoidal blocks 25 can be jacked up, and the number of teeth of the produced gear can be adjusted, so that the adaptability is realized.

Referring to fig. 4, the surface of the first arc-shaped plate 23 is symmetrically provided with inclined slots 26, which are convenient for matching with the trapezoidal block 25, and the two slide relatively to drive the trapezoidal block 25 to ascend.

Referring to fig. 1, 2 and 3, the feeding device 9 includes a feeding valve, an extension plate 28, an installation block 29, a cylinder 30, a material receiving box 31, a feeding box 32, a feeding pipe 33, a rectangular plate 34, a photoelectric sensor 35, a second spring 36 and vertical posts 37, the extension plate 28 is fixedly connected to the side wall of the movable plate 14, the installation block 29 is fixedly connected to one end of the upper surface of the extension plate 28, which is far away from the movable plate 14, the cylinder 30 is fixedly connected to the surface of the installation block 29, the material receiving box 31 is fixedly connected to one end of the two cylinders 30, which is far away from the installation block 29, the extension plate 28 and the movable plate 14 are slidably mounted to the material receiving box 31, the vertical posts 37 are fixedly connected to the upper surface of the top of the material receiving box 31, the second springs 36 are sleeved on the surfaces of the vertical posts 37, the rectangular plates 34 are slidably connected to the surfaces of the four vertical posts 37, the feeding box 32 is fixedly connected to the lower surface of the rectangular plate 34, feed case 32 and connect workbin 31 slidable mounting, the top fixedly connected with inlet pipe 33 of feed case 32, and inlet pipe 33 is linked together with the inner chamber of feed case 32, four second spring 36 keeps away from the one end and the rectangular plate 34 fixed connection that connect workbin 31, the top fixed surface that connects workbin 31 is connected with photoelectric sensor 35, the internally mounted of feed case 32 has the feed valve, by inlet pipe 33 feeding, arranges the inside of feed case 32 in, and rectangular plate 34 and feed case 32 move down, further compresses second spring 36, responds to by photoelectric sensor 35, if distance between its and rectangular plate 34 is less than the default, then transmission signal to controller, controller control feed valve opens, the inside raw materials entering of feed case 32 connect workbin 31, and simultaneously, cylinder 30 extends, drives and connects workbin 31 and is close to towards mounting groove 15, the material receiving box is arranged above the mounting groove 15 for feeding, and the cylinder 30 contracts to drive the material receiving box 31 to be far away from the mounting groove 15.

Referring to fig. 1, one end of each of the four vertical posts 37 away from the material receiving box 31 is fixedly connected with a limiting block 38 for limiting the position of the rectangular plate 34.

Referring to fig. 1, 2, 3 and 4, the initial states of the first spring 13 and the second spring 36 are compressed, the reaction force generated by the deformation of the first spring 13 acts on the surface of the movable plate 14 to form a support, and the reaction force generated by the compression of the second spring 36 acts on the surface of the rectangular plate 34 to form a support for the rectangular plate 34 and the feeding box 32.

Referring to fig. 2, an electromagnet 27 is installed inside the movable plate 14 for adsorbing the fixed plate 3, so as to facilitate blanking.

step two: conveying the fully stirred and mixed raw materials into a die to be pressed into a blank with the pressure value of 410 MPa

The working principle is as follows: the material is fed by a feeding pipe 33 and is arranged inside a feeding box 32, a rectangular plate 34 and the feeding box 32 move downwards to further compress a second spring 36, the photoelectric sensor 35 senses that if the distance between the photoelectric sensor 35 and the rectangular plate 34 is smaller than a preset value, a signal is transmitted to a controller, the controller controls a feeding valve to be opened, the raw material inside the feeding box 32 enters the inside of a material receiving box 31, meanwhile, an air cylinder 30 extends to drive the material receiving box 31 to approach towards a mounting groove 15 and is arranged above the mounting groove 15 to carry out feeding, the air cylinder 30 contracts to drive the material receiving box 31 to be away from the mounting groove 15, a hydraulic telescopic rod 10 extends to drive a lifting plate 11 and a pressing module 12 to descend for a certain distance, the lifting plate 11 is in surface contact with a movable plate 14, the pressing module 12 is matched with a tooth socket 18 and a ring plate 17, and the movable plate 14 and the extension plate 28 move downwards, the first spring 13 is further compressed to generate a reaction force acting on the surface of the movable plate 14 until the movable plate 14 contacts with the fixed plate 3, the pressing is performed, the hydraulic telescopic rod 10 contracts after the pressing, the lifting plate 11 and the pressing module 12 are driven to be far away from the mounting groove 15, the fixed plate 3 is an iron plate, an adsorption effect is generated between the electromagnet 27 and the fixed plate 3, the movable plate 14 does not ascend along with the ascending of the pressing module 12, a primary finished product is taken out from the inside of the mounting groove 15 through a manipulator, further, the controller controls the servo motor 19 to be started, the transmission bevel gear is driven to rotate, the rotating plate 22 is driven to rotate, the first arc-shaped plate 23 moves below the second arc-shaped plate 24 and slides relative to the plurality of trapezoidal blocks 25, three or six trapezoidal blocks 25 can be jacked up, the number of the produced gears is adjusted, and the adaptability is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a powder metallurgy manufacturing equipment of automotive transmission spare, includes bottom plate (1), mounting panel (2) and adjusting device (6), the last fixed surface of bottom plate (1) is connected with mounting panel (2), its characterized in that: the upper surface of the mounting plate (2) is fixedly connected with a fixing plate (3), round holes (4) are symmetrically formed in the upper surface of the fixing plate (3), connecting columns (5) are installed inside the round holes (4) in a matched mode, one ends of the four connecting columns (5) are fixedly connected with the base plate (1), the adjusting device (6) comprises first springs (13), movable plates (14), mounting grooves (15), a servo motor (19), transmission bevel gears (20), racks (21), rotating plates (22), first arc plates (23), second arc plates (24), trapezoidal blocks (25), circular plates (16), annular plates (17) and tooth grooves (18), the surface of each connecting column (5) is sleeved with the first springs (13), one ends of the four first springs (13) are fixedly connected with the upper surface of the base plate (1), the other ends of the four first springs (13) are fixedly connected with the movable plates (14), the four connecting columns (5) are all in sliding connection with the movable plates (14), the mounting grooves (15) are formed in the centers of the upper surface of the movable plates (14), the mounting grooves (15) are mounted with the surfaces of the servo motor (19), and the bevel gears (21) are meshed with the bevel gears (21), the bottom of mounting groove (15) rotates and installs rotor plate (22), the last fixed surface of rotor plate (22) is connected with first arc (23), the fixed surface of mounting groove (15) is connected with second arc (24), the last surface of rotor plate (22) rotates and is connected with a plurality of trapezoidal piece (25), and is a plurality of trapezoidal piece (25) all with second arc (24) sliding connection, the surface of mounting groove (15) is located the top fixedly connected with plectane (16) of second arc (24), and is a plurality of trapezoidal piece (25) all with plectane (16) sliding connection, the top fixedly connected with annular plate (17) of plectane (16), a plurality of tooth's socket (18) have been seted up on the surface of annular plate (17), trapezoidal piece (25) and tooth's socket (18) sliding installation, four bottom plate (1) was kept away from to spliced pole (5) one end fixedly connected with roof (7), the lower fixed surface of roof (7) is connected with and pushes down device (8), the below of roof (7) is provided with feed arrangement (9), install in one side of feed arrangement (14).

2. A powder metallurgical manufacturing plant for automotive transmission parts, according to claim 1, wherein: push down device (8) and include hydraulic telescoping rod (10), lifter plate (11) and push down module (12), the lower surface symmetry fixedly connected with hydraulic telescoping rod (10) of roof (7), two the one end fixedly connected with lifter plate (11) of roof (7) are kept away from in hydraulic telescoping rod (10), the lower fixed surface of lifter plate (11) is connected with and pushes down module (12).

3. A powder metallurgical manufacturing plant for automotive transmission parts, according to claim 1, wherein: inclined grooves (26) are symmetrically formed in the surface of the first arc-shaped plate (23).

4. Powder metallurgical manufacturing plant for automotive transmission parts, according to claim 1, characterized in that: feed arrangement (9) include feed valve, extension plate (28), installation piece (29), cylinder (30), connect workbin (31), feeding case (32), inlet pipe (33), rectangular plate (34), photoelectric sensor (35), second spring (36) and upstand (37), the lateral wall fixedly connected with extension plate (28) of fly plate (14), one end fixedly connected with installation piece (29) of fly plate (14) is kept away from to the upper surface of extension plate (28), the surface symmetry fixedly connected with cylinder (30) of installation piece (29), two the one end fixedly connected with that installation piece (29) was kept away from to cylinder (30) connects workbin (31), connect workbin (31) and extension plate (28) and fly plate (14) sliding installation, connect the top upper surface symmetry fixedly connected with upstand (37) of workbin (31), the surface cover of upstand (37) is equipped with second spring (36), four upstand (37) surface sliding connection has vertical plate (34), the lower surface fixed connection of lower surface of workbin (34) has feeding case (32), rectangular plate (32) and rectangle box (32) and mounting piece (32), the inner chamber (32) inner chamber (33) is linked together, four second spring (36) are kept away from the one end and the rectangular plate (34) fixed connection that connect workbin (31), the top upper surface fixed connection that connects workbin (31) has photoelectric sensor (35), the internally mounted of feeding case (32) has the feed valve.

5. Powder metallurgical manufacturing plant for automotive transmission parts, according to claim 4, characterized in that: and one ends of the four vertical columns (37) far away from the material receiving box (31) are fixedly connected with limiting blocks (38).

6. Powder metallurgical manufacturing plant for automotive transmission parts, according to claim 4, characterized in that: the initial state of the first spring (13) and the second spring (36) are both in a compressed state.

7. A powder metallurgical manufacturing plant for automotive transmission parts, according to claim 1, wherein: an electromagnet (27) is installed inside the movable plate (14).