WO2021243735A1

WO2021243735A1 - Automatic production line for forging gearbox shaft

Info

Publication number: WO2021243735A1
Application number: PCT/CN2020/094980
Authority: WO
Inventors: 肖尚磊; 岳喜军; 丁玉成
Original assignee: 浙江氢谷智能装备科技有限公司
Priority date: 2020-06-05
Filing date: 2020-06-08
Publication date: 2021-12-09
Also published as: CN113523169A

Abstract

An automatic production line for forging a gearbox shaft comprises a forging pedestal (1). A forging base (2) is arranged on the forging pedestal (1). An upper mold pressing block (3) for forging capable of vertical and linear reciprocating motion is provided on the top of the forging base (2). A feeding rail (4) is also provided above the forging pedestal (1). A material storage member (22) is provided above the feeding rail (4). An automatic feeding assembly (5) capable of moving towards or away from the forging base (2) is provided on the feeding rail (4). An abutting alignment block (6) is provided at an end of the forging base (2) away from the automatic feeding assembly (5). A feeding drum (7) is also provided on the forging pedestal (1). Arrangement of the feeding assembly, the feeding rail, the abutting alignment block and the feeding drum enables raw material on the feeding rail to be automatically pushed onto the forging base. The abutting alignment block can improve precision of displacement by preventing over-position of the raw material when the raw material is being pushed onto the forging base by a pushing-feeding plate. The production line requires no human involvement in conveying, moving and approaching a product and prevents working personnel from thermal injuries during the forging process. The level of automation is high, product consistency is ensured, and the quality of a forged product is improved.

Description

Transmission shaft automated forging production line

Technical field

The invention belongs to the technical field of shaft forging, and relates to an automatic forging production line for gearbox shafts.

Background technique

The hot die forging press in the usual sense is a relatively broad concept. It refers to die forging presses used in the field of hot forging. It includes three types: (1) Mechanical and crank connecting rod presses, commonly known as thermal Die forging press (narrow sense), (2) electric screw press, (3) hydraulic press. Hot die forging presses are used in the manufacturing of automobiles, tractors, internal combustion engines, ships, aviation, mining machinery, petroleum machinery, and hardware tools to perform batches of ferrous and non-ferrous metal die forging and finishing forgings. The forging of the gearbox shaft is also processed by a hot die forging press. In the existing gearbox shaft forging process, manual part of the product is required to be transported and loaded. The staff are vulnerable to heat damage. The accuracy is low, and the quality of the product is relatively average.

technical problem

In order to overcome the shortcomings of the existing technology, people have continued to explore and put forward various solutions. For example, a Chinese patent discloses a hot die forging press [application number: 201822012798.8], including the base and the gantry, the upper part of the base A frame is fixed at both ends of the surface, the top of the frame is fixed with a gantry, one end of the gantry is provided with a lifting device, the top of the lifting device is fixed with a fixing plate, the upper surface of the fixing plate is fixed with a motor, and the output shaft of the motor is vertically connected with a horizontal first A driving gear, a horizontal second driving gear is rotatably connected to the fixed plate, and the second driving gear is meshed with the first driving gear. The center of the gantry is nested with a rotating shaft through a bearing. The top of the rotating shaft is vertically connected with the first driven gear and the second driven gear. The lower part of the rotating shaft is provided with internal threads and nested in the upper mold. Vertical rails are arranged on the inner side wall, sliding blocks are fixed at both ends of the upper mold, and a lower mold is fixed below the upper mold. The invention has the advantages of simple structure, long service life, high energy utilization rate, high degree of automation, and low manufacturing cost. However, in the forging process, this solution still requires manual participation in part of the transportation and feeding of the product, and the workers are vulnerable to heat damage. At the same time, there are defects in the forging process that the accuracy of forging positioning is low and the quality of the product is relatively general.

Technical solutions

The purpose of the present invention is to provide an automated forging production line for gearbox shafts in view of the above-mentioned problems.

In order to achieve the above objectives, the present invention adopts the following technical solutions:

An automated forging production line for gearbox shafts includes a forging base, on which a forging base is provided, and an upper forging die block capable of linearly reciprocating in a vertical direction is arranged above the forging base. The forging base is also provided with a loading track, a storage part is arranged above the loading track, and an automatic loading assembly that can move along one end close to or away from the forging base is provided on the loading track, so The forging base is provided with an abutting positioning block at one end away from the automatic feeding assembly, and a feeding roller is also provided on the forging base.

In the aforementioned automatic forging production line for gearbox shafts, the forging base is also provided with a transport pusher that can reciprocate linearly along an end close to or away from the conveying roller. The transport pusher and the forging base The location corresponds.

In the aforementioned automatic forging production line for gearbox shafts, the automatic feeding assembly includes a pusher input board arranged on a feeding track, and the storage part includes a material preparation placement rack arranged on a forging base, so A material preparation tank is arranged in the material preparation placement rack, and the position of the material pushing input board corresponds to the position of the material preparation tank.

In the aforementioned automatic forging production line of the gearbox shaft, the loading rail is connected to the forging base, and the loading rail is provided with two baffles symmetrical along the center line of the loading rail, and the pushing input The board is located between the material preparation placement rack and the material loading rail.

In the aforementioned automatic forging production line for gearbox shafts, the loading track is provided with a first linear drive, the power shaft of the first linear drive is connected to the pusher input plate, and the forging base A second linear drive is provided on the upper part, and the power shaft of the second linear drive is connected with the abutting and positioning block.

In the aforementioned automatic forging production line for gearbox shafts, the end of the abutment and alignment block close to the forging base is arc-shaped, and the abutment and alignment block and the pusher input plate are in sliding fit with the forging base, respectively. The abutment and alignment block and the pusher input board are located on the same horizontal plane.

In the aforementioned automatic forging production line for gearbox shafts, the transport pusher includes a pusher output plate arranged on the forging base, and the center line of the pusher output plate and the center line of the abutting counter block are mutually connected. Vertically, the pushing output plate is arc-shaped at one end close to the forging base.

In the aforementioned automatic forging production line for gearbox shafts, a third linear drive is provided on the forging base, and the power shaft of the third linear drive is connected to the pusher output plate, and the pusher output plate There are a number of expansion stoppers symmetrically along the center line of the pusher output plate.

In the above-mentioned automatic forging production line for gearbox shafts, the conveying roller component includes a roller frame arranged on a forging base, and a plurality of transport rollers arranged in parallel with each other are provided on the roller frame, so The transportation roller described above corresponds to the position of the forging base.

In the aforementioned automatic forging production line for gearbox shafts, a pressure frame is provided above the forging base, and the forging upper die block is located in the pressure frame, and the pressure frame is provided with an upper die for driving the forging The upper die driver for the block to reciprocate linearly up and down.

Beneficial effect

Compared with the existing technology, the advantages of the present invention are:

1. The present invention can automatically push the raw materials on the feeding track to the forging base by setting the material preparation stand, the pusher input board and the abutting positioning block, and the abutting the positioning block can make the pusher inputting During the process of pushing to the forging base, the raw material will not be over-positioned, which improves the accuracy of displacement, and the forging positioning is accurate. After the forging is completed, the forged product is transported through the conveying roller, without the need for staff to participate in the transportation. Move and approach the product to avoid thermal damage to the staff during the forging process. The high degree of automation ensures the consistency of the product and improves the quality of the forging product.

2. The present invention can automatically push the product on the forging base to the feeding roller by setting the pusher output plate and the extended stop. The extended stop can ensure that the product will not be with the pusher during the process of pushing the product. The output plate is separated from each other until the product is moved to the conveying roller, and the pushing precision is high.

3. By setting the baffle in the present invention, the raw material to be forged can be blocked to prevent the raw material from sliding off the side of the feeding track when the pushing input plate pushes the raw material located on the feeding track.

Other advantages, objectives and features of the present invention will be partially embodied by the following description, and partly will be understood by those skilled in the art through the research and practice of the present invention.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention.

Figure 2 is a schematic view of the structure in another direction of the present invention.

Figure 3 is a schematic diagram of the structure of the loading track.

In the picture: forging base 1, forging base 2, forging upper die pressing block 3, feeding rail 4, automatic feeding assembly 5, abutting positioning block 6, feeding roller 7, transporting pusher 8, pushing input Plate 9, preparation rack 10, preparation tank 11, baffle 12, first linear drive 13, second linear drive 14, pusher output plate 15, third linear drive 16, extension stopper 17, roller frame 18 , Transport roller 19, pressure frame 20, upper mold drive 21, and material storage 22.

The best mode of the present invention

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1-3, an automated forging production line for gearbox shafts includes a forging base 1. A forging base 2 is provided on the forging base 1, and a vertical forging base 2 is provided above the forging base 2. Forging and pressing the upper die block 3 that moves linearly reciprocatingly in the direction, the forging base 1 is also provided with a loading rail 4, and the loading rail 4 is provided with a storage member 22 above the loading rail 4 It is provided with an automatic feeding assembly 5 that can move along an end close to or away from the forging base 2, and an end of the forging base 2 away from the automatic feeding assembly 5 is provided with an abutting alignment block 6, and the forging base 1 is also Equipped with conveying roller parts 7.

In this embodiment, the raw material to be forged is placed in the storage member 22. When forging is required, the automatic feeding assembly 5 is activated, and the raw material on the feeding rail 4 is pushed to the forging press through the automatic feeding assembly 5. At the same time, move the abutment block 6 on the base 2, so that the automatic feeding assembly 5 pushes the raw material to the forging base 2, and the raw material will not be over-positioned, which improves the accuracy of displacement and the forging positioning is accurate. Move the automatic feeding assembly 5 and the abutting alignment block 6 to the initial position, and forge the raw material on the forging base 2 by moving the forging upper die block 3 downwards. After the forging is completed, the material on the forging base 2 is forged by the feed roller 7 After the product is transported, there is no need for staff to participate in the transportation, movement and proximity to the product, so as to avoid thermal damage to the staff during the forging process. The high degree of automation ensures the consistency of the product and improves the quality of the forging product.

As shown in Figure 1 and Figure 2, the forging base 1 is also provided with a transport pusher 8 that can reciprocate linearly along one end close to or away from the conveying roller member 7. The transport pusher 8 and the forging press The position of the base 2 corresponds.

Specifically, when the raw material is forged by the upper die block 3, the transport pusher 8 is moved to the end close to the forging base 2, so that the forged product is pushed onto the feed roller 7 and passed The material roller 7 automatically transports the product without manual operation.

As shown in FIG. 1 and FIG. 2, the automatic feeding assembly 5 includes a pusher input board 9 arranged on the feeding track 4, and the storage member 22 includes a material preparation arrangement arranged on the forging base 1. The rack 10 is provided with a material preparation tank 11 in the material preparation installation frame 10, and the position of the material pushing input board 9 corresponds to the position of the material preparation tank 11.

In this embodiment, the material preparation stand 10 is used to place the raw materials to be forged, and the staff puts the raw materials to be forged in the preparation tank 11, and the lowest raw material automatically falls on the feeding rail 4, when the material is pushed into the input plate 9 After pushing the raw materials on the feeding track 4 to the forging base 2, the pushing input board 9 returns to the initial position, and the lowest raw material in the preparation tank 11 automatically falls onto the feeding track 4 to realize automatic filling. There is no need to manually put the raw materials on the feeding track 4, and the degree of automation is high.

As shown in Figure 3, the loading rail 4 is connected to the forging base 2, and the loading rail 4 is provided with two baffles 12 symmetrical along the center line of the loading rail 4, and the pushing input The board 9 is located between the material preparation mounting frame 10 and the material loading rail 4.

In this embodiment, the baffle 12 acts as a barrier to the raw material to be forged to prevent the raw material from slipping off the side of the loading rail 4 when the pushing input plate 9 pushes the raw material located on the loading rail 4.

As shown in Figure 1, the loading track 4 is provided with a first linear drive 13, the power shaft of the first linear drive 13 is connected to the pusher input plate 9, and the forging base 1 A second linear driver 14 is provided thereon, and the power shaft of the second linear driver 14 is connected to the abutting and positioning block 6.

In this embodiment, when the pusher input board 9 needs to be moved, the first linear driver 13 is activated, and the pusher input board 9 is driven to move by the power shaft of the first linear driver 13. When the second linear drive 14 is activated, the abutting and positioning block 6 is driven to move by the power shaft of the second linear drive 14. Those skilled in the art should understand that the first linear drive 13 and the second linear drive 14 can be air cylinders, Cylinder or linear motor.

The abutting and positioning block 6 is arc-shaped at one end close to the forging base 2, and the abutting and positioning block 6 and the pusher input plate 9 are in sliding fit with the forging and pressing base 2, respectively, and the abutting and positioning block 6 and the pusher input board 9 are located on the same horizontal plane.

In this embodiment, the end of the abutting and positioning block 6 close to the forging base 2 is arc-shaped, which is suitable for the shape of the raw material to be forged, and can better play the role of abutting and positioning the raw material, and abutting the opposing block 6 The pusher input board 9 and the forging base 2 respectively slidably cooperate to avoid jams during the movement.

The transport pusher 8 includes a pusher output plate 15 arranged on the forging base 1. The centerline of the pusher output plate 15 and the centerline of the abutting counter block 6 are perpendicular to each other. One end of the material output plate 15 close to the forging base 2 is arc-shaped.

In this embodiment, after the raw material is forged by the upper die block 3, the pusher output plate 15 is moved, and the product on the forging base 2 is pushed onto the feed roller 7 through the pusher output plate 15. The feeding roller 7 automatically transports the product without manual transportation. The pushing output plate 15 is arc-shaped at one end close to the forging base 2, which is suitable for the shape of the product and improves the alignment accuracy.

As shown in FIG. 1, the forging base 1 is provided with a third linear driver 16, and the power shaft of the third linear driver 16 is connected to the pusher output plate 15, and the pusher output plate 15 is A number of expansion stoppers 17 symmetrical along the center line of the ejector output plate 15 are provided.

In this embodiment, when the pusher output plate 15 needs to be moved, the third linear driver 16 is activated. The power shaft of the third linear driver 16 drives the pusher output plate 15 and the expansion block 17 to move. The expansion block 17 can ensure In the process of pushing the product, the product will not be separated from the pushing output plate 15 until the product is moved to the feeding roller member 7. Those skilled in the art should understand that the third linear actuator 16 can be an air cylinder, an oil cylinder or Linear Motor.

As shown in FIG. 2, the conveying roller member 7 includes a roller frame 18 arranged on the forging base 1, and the roller frame 18 is provided with a plurality of transport rollers 19 arranged in parallel with each other. The aforementioned transport roller 19 corresponds to the position of the forging base 2.

In this embodiment, the roller frame 18 is used to install the transport roller 19, the roller frame 18 is provided with a motor for driving the transport roller 19 to rotate, and the motor rotation shaft is provided with a multi-wedge wheel. There is a transmission belt between the sleeves, and when the product is pushed into the transport roller 19, the product is automatically transported through the transport roller 19.

As shown in FIG. 1, a pressure frame 20 is provided above the forging base 2, and the upper forging die block 3 is located in the pressure frame 20, and the pressure frame 20 is provided with a pressure frame for driving the upper die for forging The upper mold drive 21 of the block 3 reciprocating linearly up and down.

In this embodiment, the upper mold drive 21 includes a three-phase asynchronous motor, a large flywheel, a clutch, and a crank slider. The three-phase asynchronous motor drives the large flywheel to rotate, and the clutch controls the movement of the crank slider connected to the large flywheel. In turn, the upper forging die block 3 is driven to reciprocate linearly up and down, and the pressure frame 20 is used to install the forging upper die block 3.

The working principle of the present invention is:

The material preparation rack 10 is used to place the raw materials to be forged. The staff puts the raw materials to be forged in the preparation tank 11, and the lowest raw material automatically falls on the feeding track 4, when the pushing input board 9 will be located on the feeding track After the raw material of 4 is pushed to the forging base 2, the pusher input board 9 returns to the initial position, and the lowermost raw material in the preparation tank 11 automatically falls onto the feeding rail 4, realizing automatic filling, without the need to manually place the raw materials As for the loading track 4, the degree of automation is relatively high.

When the pusher input plate 9 pushes the raw material to be forged to move to the forging base 2, the second linear driver 14 is activated, and the abutment block 6 is driven by the power shaft of the second linear driver 14 to move, so that the pusher input plate 9 will move When the raw material is pushed to the forging base 2, the raw material will not be over-positioned, which improves the accuracy of displacement, and the forging positioning is accurate. At this time, by moving the forging upper die block 3 down, the raw material on the forging base 2 is forged. After forging is completed, the third linear driver 16 is activated, and the pushing output plate 15 and the extended stop 17 are driven by the power shaft of the third linear driver 16 to move. The extended stop 17 can ensure that the product will not interact with The pusher output plate 15 is separated until the product is moved to the conveying roller part 7, and the forged product is transported through the conveying roller part 7, without the need for staff to participate in transportation, moving and close to the product, avoiding work in the forging process Personnel are injured by heat, and the degree of automation is high while ensuring product consistency and improving the quality of forging products.

The baffle 12 acts as a barrier to the raw material to be forged and prevents the raw material from slipping off the side of the loading rail 4 when the pushing input plate 9 pushes the raw material located on the loading rail 4.

The specific embodiments described in this document are merely examples to illustrate the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the specific embodiments described or substitute similar methods, but they will not deviate from the spirit of the present invention.

Although this article mostly uses forging base 1, forging base 2, forging upper die block 3, feeding rail 4, automatic feeding assembly 5, abutting positioning block 6, conveying roller part 7, transportation push part 8, Pushing input board 9, preparation placement rack 10, preparation tank 11, baffle 12, first linear drive 13, second linear drive 14, pushing output plate 15, third linear drive 16, expansion stop 17, roller Terms such as the frame 18, the transport roller 19, the pressure frame 20, the upper mold driving part 21, and the material storage part 22, but the possibility of using other terms is not excluded. These terms are used only to describe and explain the essence of the present invention more conveniently, and to interpret them as any additional limitation is contrary to the spirit of the present invention.

Claims

An automated forging production line for gearbox shafts, comprising a forging base (1), characterized in that a forging base (2) is provided on the forging base (1), and a forging base (2) is provided above the forging base (2) A forging upper die block (3) capable of linearly reciprocating in the vertical direction, the forging base (1) is also provided with a loading rail (4), and the loading rail (4) is provided with a storage The material (22), the loading rail (4) is provided with an automatic loading assembly (5) that can move along one end close to or away from the forging base (2), and the forging base (2) is far away from the automatic loading One end of the material assembly (5) is provided with an abutting positioning block (6), and the forging base (1) is also provided with a conveying roller member (7).
The gearbox shaft automated forging production line according to claim 1, characterized in that, the forging base (1) is also provided with a transport that can reciprocate linearly along one end close to or away from the conveying roller (7) Pushing piece (8), the position of said transporting pushing piece (8) corresponds to the position of the forging base (2).
The gearbox shaft automated forging production line according to claim 1, characterized in that, the forging base (1) is also provided with a transport that can reciprocate linearly along one end close to or away from the conveying roller (7) Pushing piece (8), the position of said transporting pushing piece (8) corresponds to the position of the forging base (2).
The gearbox shaft automated forging production line according to claim 3, characterized in that the loading rail (4) is connected to the forging base (2), and the loading rail (4) is provided with two edges The feeding rail (4) has a symmetrical baffle plate (12) on the center line, and the pushing input board (9) is located between the material preparation placement frame (10) and the feeding rail (4).
The gearbox shaft automated forging production line according to claim 4, characterized in that a first linear drive (13) is provided on the loading track (4), and the first linear drive (13) The power shaft of the second linear drive (14) is connected to the pusher input plate (9), the forging base (1) is provided with a second linear drive (14), and the power shaft of the second linear drive (14) is in contact with Bit blocks (6) are connected.
The gearbox shaft automated forging production line according to claim 5, characterized in that the abutting and positioning block (6) is arc-shaped at one end close to the forging base (2), and the abutting and positioning block (6) ) And the pusher input plate (9) are respectively slidably fitted with the forging base (2), and the abutment and alignment block (6) and the pusher input plate (9) are located on the same horizontal plane.
The gearbox shaft automated forging production line according to claim 2, wherein the transport pusher (8) comprises a pusher output plate (15) arranged on the forging base (1), and the pusher The center line of the material output plate (15) and the center line of the abutting positioning block (6) are perpendicular to each other, and one end of the material pushing output plate (15) close to the forging base (2) is arc-shaped.
The gearbox shaft automated forging production line according to claim 7, characterized in that a third linear drive (16) is provided on the forging base (1), and the power of the third linear drive (16) is The shaft is connected with the pushing output plate (15), and a plurality of expansion stoppers (17) symmetrical along the center line of the pushing output plate (15) are provided on the pushing output plate (15).
The automatic forging production line for gearbox shafts according to claim 1, characterized in that, the conveying roller member (7) comprises a roller frame (18) arranged on the forging base (1), and the roller The frame (18) is provided with a plurality of transport rollers (19) arranged parallel to each other one by one, and the positions of the transport rollers (19) correspond to the positions of the forging base (2).
The gearbox shaft automated forging production line according to claim 1, wherein a pressure frame (20) is provided above the forging base (2), and the forging upper die block (3) is located on the pressure frame In (20), the pressure frame (20) is provided with an upper mold driving member (21) for driving the forging upper mold pressing block (3) to reciprocate linearly up and down.