CN111745112A - Double-roller double-bearing push rod gear direct connection mechanism and crank press - Google Patents
Double-roller double-bearing push rod gear direct connection mechanism and crank press Download PDFInfo
- Publication number
- CN111745112A CN111745112A CN202010547465.4A CN202010547465A CN111745112A CN 111745112 A CN111745112 A CN 111745112A CN 202010547465 A CN202010547465 A CN 202010547465A CN 111745112 A CN111745112 A CN 111745112A
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- roller
- gear
- push rod
- double
- rotating shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000005242 forging Methods 0.000 abstract description 16
- 238000005096 rolling process Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 12
- 238000010080 roll forging Methods 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000011960 computer-aided design Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a double-roller double-support push rod gear direct-connection mechanism, wherein a first roller and a second roller are rotatably arranged on an installation support and are arranged in parallel at intervals, a first roller gear of a transmission assembly is connected with the first roller through a first rotating shaft, a second roller gear is slidably arranged on the second roller through a second rotating shaft, the first roller gear rotates along with the lifting of a push rod, the second roller gear is meshed with the first roller gear through a reversing gear when positioned at a first station, the second roller rotates along with the first roller in the same direction, the second roller gear is directly meshed with the push rod when positioned at a second station, the second roller rotates along with the first roller in the opposite direction or in the reverse direction, the two rollers can be driven to rotate in the same direction or in the reverse direction through the lifting of the push rod, and a forging roller and wedge cross rolling blank manufacturing process is completed. The invention also provides a crank press.
Description
Technical Field
The invention relates to the field of forging processing, in particular to a double-roller double-support push rod gear direct connection mechanism and a crank press.
Background
The forging is a part obtaining process widely used in the world, is a foundation stone in the mechanical industry, has a long history, and with the continuous development of industrialization and technological processes, the forging process also develops from the original manual free forging to the modern forging with high-precision automatic precision and near forming, the technological innovation of the forging industry is supported perfectly by the material engineering, the program control and the modern CAD (computer aided design) CAE (computer aided analysis) CAM (computer aided manufacturing), and the development of the forging process can further highlight the boosting effect on the development of the manufacturing industry.
The forging process generally achieves the product through a plurality of steps, and for the variable-section product with larger difference between the maximum section and the minimum section, a variable-section blank manufacturing step must be added during design. The determined complete steps comprise blanking, heating, peeling, blank making, pre-forging, final forging, trimming, punching and thermal correction. In common processing equipment, the forging and blank-making process can be completed on different equipment, the blank can be freely forged on an air hammer, the blank can be pressed on a crank press simply by a die, a roll forging machine or a wedge cross rolling machine can be used for accurately making the blank, and the blank-making equipment and the blank-making process are selected according to products; the crank press is forging equipment which transmits the motion and energy of a motor to a crankshaft or an eccentric gear through a transmission system, enables the crankshaft or the eccentric gear to do rotary motion, enables a sliding block to do reciprocating motion through a connecting rod and applies deformation pressure to a workpiece; the roll forging machine is a special forging device which uses a motor to drive two oppositely moving rollers and applies continuous deformation force to a workpiece by using a sector die; the cross wedge rolling mill is a special forging equipment which uses a motor to drive two rollers which move in the same direction and applies continuous deformation force to a workpiece by using a sector die. The usual crank presses do not function as roll forging or cross wedge rolling equipment for the blank production.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a double-roller double-support push rod gear direct connection mechanism and a crank press.
The invention provides a double-roller double-support push rod gear direct-connection mechanism, which comprises: the device comprises a mounting bracket, a first roller, a second roller and a transmission assembly;
the first roller and the second roller are rotatably arranged on the mounting bracket and are arranged in parallel at intervals, the first roller is provided with a first rotating shaft which is coaxially arranged, and the second roller is provided with a second rotating shaft which extends out in parallel with the first rotating shaft;
the transmission assembly comprises a first roller gear, a second roller gear, a reversing gear and a push rod, the first roller gear is installed on a first rotating shaft, the second roller gear is slidably installed on a second rotating shaft, the reversing gear is located between the first roller gear and the second roller gear, the reversing gear is rotatably installed on the installation support and meshed with the first roller gear and the second roller gear respectively, the push rod is located between the first roller gear and the second roller gear and located on one side of the reversing gear in the extending direction of the second rotating shaft, and racks meshed with the first roller gear and the second roller gear respectively are arranged on two sides of the push rod.
Preferably, the first roller and the second roller are horizontally arranged and the push rod is vertically arranged.
Preferably, the mounting bracket is provided with a positioning pin extending in parallel with the first rotating shaft, the positioning pin is positioned between the first roller gear and the second roller gear, and the middle part of the push rod is provided with a strip-shaped groove matched with the positioning pin.
Preferably, the push rod is positioned on the side of the reversing gear, which is far away from the first roller and the second roller.
Preferably, the mounting bracket comprises a base and two vertical support plates arranged above the base, the two vertical support plates are arranged in parallel, the first roller and the second roller are positioned between the two vertical support plates, and two ends of the first roller and the second roller are respectively arranged on the two vertical support plates.
Preferably, the transmission assembly is positioned on one side of the vertical support plate, which is far away from the first roller and the second roller.
Preferably, two transmission assemblies are included, and the two transmission assemblies are respectively positioned at two ends of the two first rollers and the two second rollers.
Preferably, the outer wall of the first roller is provided with a first die, the outer wall of the second roller is provided with a second die, and the first die and the second die are arranged oppositely.
According to the double-roller double-support push rod gear direct-connection mechanism, a first roller and a second roller are rotatably arranged on an installation support and are arranged in parallel at intervals, a first roller gear of a transmission assembly is connected with the first roller through a first rotating shaft, a second roller gear is slidably arranged on the second roller through a second rotating shaft, the first roller gear rotates along with the lifting of a push rod, the second roller gear is meshed with the first roller gear through a reversing gear when positioned at a first station, the second roller rotates along with the first roller in the same direction, the second roller gear is directly meshed with the push rod when positioned at a second station, the second roller rotates relative to or in the reverse direction along with the first roller, the two rollers can be driven to rotate in the same direction or in the reverse direction through the lifting of the push rod, and a forging roller and cross-wedge rolling blank making process is completed.
The invention also provides a crank press which comprises the double-roller double-support push rod gear direct-connection mechanism.
In the crank press, the crank or the cam is connected with the push rod of the double-roller double-support push rod gear direct-connection mechanism through the connecting rod, so that the reciprocating driving of the push rod is realized, and the roll forging and cross wedge rolling blank making process can be realized on the basis of keeping the original functions of the crank press.
Drawings
Fig. 1 is a schematic structural diagram of a double-roller double-support push rod gear direct-connection mechanism provided by the invention.
Fig. 2 is a partial top view structural schematic diagram of a double-roller double-support push rod gear direct-connection mechanism provided by the invention.
Fig. 3 is a schematic structural diagram of a crankshaft press according to the present invention.
Detailed Description
Fig. 1 to 3 are schematic structural views of a twin-roll double-support push rod gear direct-coupling mechanism according to the present invention, fig. 2 is a schematic partial top view of the twin-roll double-support push rod gear direct-coupling mechanism according to the present invention, and fig. 3 is a schematic structural view of a crankshaft press according to the present invention.
Referring to fig. 1 and 2, the invention provides a double-roller double-support push rod gear direct-connection mechanism, comprising: the device comprises a mounting bracket, a first roller 1, a second roller 2 and a transmission assembly;
the first roller 1 and the second roller 2 are rotatably arranged on the mounting bracket and are arranged in parallel at intervals, the first roller 1 is provided with a first rotating shaft 11 which is coaxially arranged, and the second roller 2 is provided with a second rotating shaft 21 which extends out in parallel with the first rotating shaft 11;
the transmission assembly comprises a first roller gear 3, a second roller gear 4, a reversing gear 5 and a push rod 6, the first roller gear 3 is installed on a first rotating shaft 11, the second roller gear 4 is slidably installed on a second rotating shaft 21, the reversing gear 5 is located between the first roller gear 3 and the second roller gear 4, the reversing gear 5 is rotatably installed on an installation support and is respectively meshed with the first roller gear 3 and the second roller gear 4, the push rod 6 is located between the first roller gear 3 and the second roller gear 4 and is located on one side of the reversing gear 5 in the extending direction of the second rotating shaft 21, and racks respectively meshed with the first roller gear 3 and the second roller gear 4 are arranged on two sides of the push rod 6.
In the specific working process of the double-roller double-support push rod gear direct connection mechanism, the second roller gear is provided with two stations and axially moves along the second rotating shaft, so that the switching of the two stations can be realized; when the second roller gear is positioned at the second station, the second roller gear is directly meshed with the rack on the push rod, the push rod reciprocates linearly up and down, the first roller gear and the second roller gear on two sides are driven by the rack to rotate simultaneously, the first roller and the second roller rotate relatively, and roll forging is realized by the two rollers.
In this embodiment, a double-roller double-support push rod gear direct connection mechanism is provided, a first roller and a second roller are rotatably installed on an installation support and are arranged in parallel at intervals, a first roller gear of a transmission assembly is connected with the first roller through a first rotating shaft, a second roller gear is slidably installed on the second roller through a second rotating shaft, the first roller gear rotates along with the lifting of a push rod, the second roller gear is meshed with the first roller gear through a reversing gear when located at a first station, the second roller rotates along with the first roller in the same direction, the second roller gear is directly meshed with the push rod when located at a second station, the second roller rotates along with the first roller in the opposite direction or in the reverse direction, and therefore the two rollers can be driven to rotate in the same direction or in the reverse direction through the lifting of the push rod, and a roll forging and wedge cross rolling blank making process is completed.
In a specific embodiment, the first roller 1 and the second roller 2 are horizontally arranged and the push rod 6 is vertically arranged.
In further concrete arrangement mode, be equipped with the locating pin 7 that stretches out on a parallel with 11 directions of first pivot on the installing support, locating pin 7 is located between first roller gear 3 and the second roller gear 4, and 6 middle parts of push rod are equipped with locating pin 7 complex bar groove, when linear motion about the push rod, fix a position the push rod horizontal direction through the locating pin, guarantee that the push rod stably goes up and down.
In the specific arrangement mode of the push rod and the reversing gear, the push rod 6 is positioned on one side of the reversing gear 5, which is far away from the first roller 1 and the second roller 2, so that the installation of the reversing gear on the installation bracket is facilitated.
In the specific design mode of the mounting bracket, the mounting bracket comprises a base 8 and two vertical supporting plates 9 arranged above the base 8, the two vertical supporting plates 9 are arranged in parallel, the first roller 1 and the second roller 2 are positioned between the two vertical supporting plates 9, and two ends of the first roller and the second roller are respectively arranged on the two vertical supporting plates 9.
In order to prevent the workpiece from influencing the action of the transmission assembly during the processing, in other embodiments, the transmission assembly is located on the side of the vertical support plate 9 away from the first roller 1 and the second roller 2.
In order to further improve the operation stability of the whole device and obtain a longer service life, the direct connection mechanism of the embodiment comprises two transmission assemblies, and the two transmission assemblies are respectively positioned at two ends of the two first rollers 1 and the two second rollers 2.
In the specific design mode of the die, the outer wall of the first roller 1 is provided with a first die 12, the outer wall of the second roller 2 is provided with a second die 22, and the first die 12 and the second die 22 are arranged oppositely.
Referring to fig. 3, the present embodiment further provides a crank press including the above-described twin-roll double-support push-rod gear direct-coupling mechanism.
In the crank press, the crank or the cam is connected with the push rod of the double-roller double-support push rod gear direct-connection mechanism through the connecting rod 100, so that the reciprocating driving of the push rod is realized, and the roll forging and cross wedge rolling blank making process can be realized on the basis of keeping the original functions of the crank press.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A double-roller double-support push rod gear direct connection mechanism is characterized by comprising: the device comprises a mounting bracket, a first roller (1), a second roller (2) and a transmission assembly;
the first roller (1) and the second roller (2) are rotatably arranged on the mounting bracket and are arranged in parallel at intervals, a first rotating shaft (11) which is coaxially arranged is arranged on the first roller (1), and a second rotating shaft (21) which extends out in parallel with the first rotating shaft (11) is arranged on the second roller (2);
the transmission assembly comprises a first roller gear (3), a second roller gear (4), a reversing gear (5) and a push rod (6), the first roller gear (3) is installed on a first rotating shaft (11), the second roller gear (4) is installed on a second rotating shaft (21) in a sliding mode, the reversing gear (5) is located between the first roller gear (3) and the second roller gear (4), the reversing gear (5) is installed on an installation support in a rotating mode and meshed with the first roller gear (3) and the second roller gear (4) respectively, the push rod (6) is located between the first roller gear (3) and the second roller gear (4) and located on one side of the reversing gear (5) in the extending direction of the second rotating shaft (21), and racks meshed with the first roller gear (3) and the second roller gear (4) respectively are arranged on two sides of the push rod (6).
2. The double-roller double-support push rod gear direct-connection mechanism as claimed in claim 1, wherein the first roller (1) and the second roller (2) are horizontally arranged and the push rod (6) is vertically arranged.
3. The double-roller double-support push rod gear direct-connection mechanism as claimed in claim 2, wherein a positioning pin (7) extending in a direction parallel to the first rotating shaft (11) is arranged on the mounting bracket, the positioning pin (7) is positioned between the first roller gear (3) and the second roller gear (4), and a strip-shaped groove matched with the positioning pin (7) is arranged in the middle of the push rod (6).
4. A twin roll double support push rod gear straight link mechanism according to claim 1, characterised in that the push rod (6) is located on the side of the reversing gear (5) remote from the first roller (1) and the second roller (2).
5. The double-roller double-support push rod gear direct-connection mechanism is characterized in that the mounting bracket comprises a base (8) and two vertical support plates (9) arranged above the base (8), the two vertical support plates (9) are arranged in parallel, the first roller (1) and the second roller (2) are positioned between the two vertical support plates (9), and two ends of the first roller and the second roller are respectively arranged on the two vertical support plates (9).
6. The mechanism of claim 4, wherein the transmission assembly is located on the side of the vertical support plate (9) away from the first roller (1) and the second roller (2).
7. The double-roller double-support push rod gear direct-connection mechanism is characterized by comprising two transmission assemblies which are respectively positioned at two ends of two first rollers (1) and two second rollers (2).
8. The mechanism of claim 1, wherein the first die (12) is arranged on the outer wall of the first roller (1), the second die (22) is arranged on the outer wall of the second roller (2), and the first die (12) and the second die (22) are arranged oppositely.
9. A crank press comprising a twin roll double support push rod gear straight linkage according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547465.4A CN111745112A (en) | 2020-06-16 | 2020-06-16 | Double-roller double-bearing push rod gear direct connection mechanism and crank press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547465.4A CN111745112A (en) | 2020-06-16 | 2020-06-16 | Double-roller double-bearing push rod gear direct connection mechanism and crank press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111745112A true CN111745112A (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010547465.4A Pending CN111745112A (en) | 2020-06-16 | 2020-06-16 | Double-roller double-bearing push rod gear direct connection mechanism and crank press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111745112A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000763A (en) * | 2021-04-28 | 2021-06-22 | 台州孚陆汽车配件有限公司 | Roll forging equipment and roll forging process thereof |
| CN117505970A (en) * | 2023-09-27 | 2024-02-06 | 景德镇中达航空铸造有限公司 | A casting device for tubular aviation parts and a casting method thereof |
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|---|---|---|---|---|
| CN1047636A (en) * | 1989-05-29 | 1990-12-12 | Sms舒路曼-斯玛公司 | Quick upsetting press |
| CN1919491A (en) * | 2006-09-20 | 2007-02-28 | 宋玉泉 | Unidirection continuous roller forging precise forming machine |
| CN102166614A (en) * | 2011-01-04 | 2011-08-31 | 武汉理工大学 | Method and production line for forging forged piece of automobile rear axle driving spiral bevel gear |
| CN103028686A (en) * | 2012-12-11 | 2013-04-10 | 北京机电研究所 | Phi-1500 dedicated roll forging machine |
| CN202877458U (en) * | 2012-10-25 | 2013-04-17 | 繁峙县星河银业有限公司 | Forging press for manufacturing silverware |
| CN209189727U (en) * | 2018-10-12 | 2019-08-02 | 张家口瑞泰机械有限责任公司 | A kind of improvement forging roll |
| CN209905976U (en) * | 2019-04-09 | 2020-01-07 | 江苏爱利多印机科技有限公司 | A stainless steel bending roll with self-cleaning function |
| CN111088965A (en) * | 2020-01-09 | 2020-05-01 | 浙江大学 | Symmetrical double-cylinder rack and pinion drive hydraulic pumping unit with extended range |
-
2020
- 2020-06-16 CN CN202010547465.4A patent/CN111745112A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| CN1047636A (en) * | 1989-05-29 | 1990-12-12 | Sms舒路曼-斯玛公司 | Quick upsetting press |
| CN1919491A (en) * | 2006-09-20 | 2007-02-28 | 宋玉泉 | Unidirection continuous roller forging precise forming machine |
| CN102166614A (en) * | 2011-01-04 | 2011-08-31 | 武汉理工大学 | Method and production line for forging forged piece of automobile rear axle driving spiral bevel gear |
| CN202877458U (en) * | 2012-10-25 | 2013-04-17 | 繁峙县星河银业有限公司 | Forging press for manufacturing silverware |
| CN103028686A (en) * | 2012-12-11 | 2013-04-10 | 北京机电研究所 | Phi-1500 dedicated roll forging machine |
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| CN209905976U (en) * | 2019-04-09 | 2020-01-07 | 江苏爱利多印机科技有限公司 | A stainless steel bending roll with self-cleaning function |
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| Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000763A (en) * | 2021-04-28 | 2021-06-22 | 台州孚陆汽车配件有限公司 | Roll forging equipment and roll forging process thereof |
| CN113000763B (en) * | 2021-04-28 | 2021-12-24 | 台州孚陆汽车配件有限公司 | Roll forging equipment and roll forging process thereof |
| CN117505970A (en) * | 2023-09-27 | 2024-02-06 | 景德镇中达航空铸造有限公司 | A casting device for tubular aviation parts and a casting method thereof |
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Application publication date: 20201009 |