CN115847909B - A dual-purpose hydraulic press for both forward and reverse finishing production - Google Patents
A dual-purpose hydraulic press for both forward and reverse finishing productionInfo
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- CN115847909B CN115847909B CN202211698631.6A CN202211698631A CN115847909B CN 115847909 B CN115847909 B CN 115847909B CN 202211698631 A CN202211698631 A CN 202211698631A CN 115847909 B CN115847909 B CN 115847909B
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Abstract
本发明公开了一种正反精修生产两用油压机，包括机架、设于机架上的工作台及位于工作台上下两侧的上驱动油缸和下驱动油缸，上驱动油缸连接有上模具，上驱动油缸驱动上模具朝工作台方向下压，下驱动油缸上可拆装连接有顶推件和下模具，下驱动油缸通过顶推件驱动下模具上行与上模具合模。本发明提供一种正反精修生产两用油压机，通过上驱动油缸和下驱动油缸分别驱动上模具和下模具对钢背进行冲压，实现对钢背进行正精修和反精修工艺，满足精度需求，具有降低产品的制造成本的优点。
This invention discloses a dual-purpose hydraulic press for forward and reverse finishing production, comprising a frame, a worktable mounted on the frame, and upper and lower drive cylinders located on the upper and lower sides of the worktable. The upper drive cylinder is connected to an upper die, which drives the upper die to press downwards towards the worktable. The lower drive cylinder is detachably connected to a pusher and a lower die, which drives the lower die upwards via the pusher to close with the upper die. This invention provides a dual-purpose hydraulic press for forward and reverse finishing production, which uses the upper and lower drive cylinders to drive the upper and lower dies respectively to stamp steel backing, achieving both forward and reverse finishing processes on the steel backing, meeting precision requirements, and reducing product manufacturing costs.
Description
Technical Field
The invention relates to the technical field of hardware processing machinery, in particular to a dual-purpose oil press for front and back finishing production.
Background
Products such as brake disc steel backs are typically stamped by mechanical punches. The steel back is placed on a die, and the required structure is manufactured through stamping of the die. The traditional steel backing equipment for stamping the brake pad is a mechanical punch, and the traditional process for stamping the steel backing by the mechanical punch mainly comprises four working procedures of bevel edge pressing, punching, nail pulling and finishing. When the steel back finishing process is produced, the hydraulic system and the oil cylinder are additionally arranged on the punching machine to assist in realizing the precision of the process, but the structure is limited, so that the requirements of the positive and negative finishing process cannot be met. The complex fine blanking machine is adopted to produce the product to meet the precision requirement, but the manufacturing cost of the product is increased.
Disclosure of Invention
The invention aims to provide a dual-purpose oil press for front and back finishing production, which is characterized in that an upper driving oil cylinder and a lower driving oil cylinder respectively drive an upper die and a lower die to punch a steel back, so that the front finishing and the back finishing processes of the steel back are realized, the precision requirement is met, and the manufacturing cost of a product is reduced.
In order to solve the technical problems, the technical scheme is that the hydraulic press for the front and back finishing production comprises a frame, a workbench arranged on the frame, an upper driving oil cylinder and a lower driving oil cylinder which are arranged on the upper side and the lower side of the workbench, wherein the upper driving oil cylinder is connected with an upper die, the upper driving oil cylinder drives the upper die to downwards press towards the workbench, a pushing piece and a lower die are detachably connected to the lower driving oil cylinder, and the lower driving oil cylinder drives the lower die to upwards and to be matched with the upper die through the pushing piece.
According to the technical scheme, the upper driving oil cylinder drives the upper die to press downwards, the lower driving oil cylinder drives the lower die to move upwards, so that the steel back is punched and formed, and when the front and back finishing is carried out, the front finishing and the back finishing of the steel back are realized by disassembling and replacing different pushing parts and the lower die. The pushing part can be conveniently and rapidly replaced, the structural complexity of the dual-purpose oil press is reduced, and the equipment manufacturing cost of the oil press is reduced.
The front and back finishing production dual-purpose oil press is characterized in that the lower driving oil cylinder is connected with the bottom cylinder moving plate, and the pushing piece is connected between the bottom cylinder moving plate and the lower die. The lower driving oil cylinder drives the bottom cylinder moving plate to support and push the pushing piece and the lower die to move upwards, so that the positive finishing operation is realized.
The pushing piece is arranged to be a central pressure-bearing rod, the workbench is provided with a central through hole, and the central pressure-bearing rod passes through the central through hole and is connected with the lower die. The central pressure-bearing rod drives the pushing piece and the lower die to move upwards through the lower driving oil cylinder, and the central pressure-bearing rod is matched with the upper die to realize stamping of the steel back.
The bottom cylinder bearing plate is arranged between the bottom cylinder moving plate and the central bearing rod in a cushioning manner. The bottom cylinder bearing plate increases the bearing area of the surface of the bottom cylinder moving plate and is used for reducing the pressure intensity of the central bearing rod on the bottom cylinder moving plate during stamping and protecting the bottom cylinder moving plate.
The front and back finishing production dual-purpose oil press is characterized in that a lower die core is arranged on the lower die, and the lower die core is connected with the central pressure-bearing rod. The central pressure-bearing rod pushes the lower die core to be matched with the lower die and the upper die for stamping and forming the steel back.
The front and back finishing production dual-purpose oil press is characterized in that the lower die core is connected with the central pressure-bearing rod through the core top post. The die core jacking post is used for jacking the lower die core and jacking and demoulding the stamped steel back.
The pushing piece is arranged to be a die carrier connecting rod, the workbench is provided with a connecting rod through hole, and the die carrier connecting rod penetrates through the connecting rod through hole to be connected with the lower die. The lower driving oil cylinder drives the die carrier connecting rod to ascend and pushes the lower die to ascend and the upper die to be matched.
The front and back finishing production dual-purpose oil press is characterized in that the upper end of the die carrier connecting rod is provided with a lower die moving plate, and the lower die is arranged on the lower die moving plate. The die carrier connecting rod pushes the lower die moving plate, and the lower die moving plate pushes the lower die to be assembled upwards.
The two-purpose hydraulic press for the front and back finishing production is characterized in that a lower die bearing plate is arranged between the workbench and the lower die movable plate in a cushioning manner. The lower die bearing plate is used for protecting the workbench and avoiding the overhigh pressure intensity.
The two-purpose hydraulic press for the front and back finishing production is characterized in that the lower die bearing plate is provided with a lower die bearing block, and the lower die bearing block is arranged at the bottom of the lower die. The lower die pressure-bearing block is used for supporting the lower die when the die is closed.
The two-purpose hydraulic press for front and back finishing production is characterized in that the workbench is provided with the die carrier guide post, and the lower die moving plate is movably positioned on the die carrier guide post. The die carrier guide post enables the upward movement of the lower die movable plate to be more accurate, and the precision of the punched product is improved.
The two-purpose hydraulic press for the front and back finishing production is characterized in that the upper driving oil cylinder is connected with a sliding block, and the upper die is arranged on the sliding block. The sliding block can move on the frame in a positioning way, so that the positioning is accurate when the upper die is pressed down.
The invention has the beneficial effects of solving the defect that a hydraulic device is required to be additionally arranged in the steel back finishing process of the traditional mechanical punching machine, solving the problem that the front and back finishing process cannot be realized due to the structural limitation and the limited space of the traditional mechanical punching machine, meeting the requirements of stamping processing of various processes, realizing the dual-purpose of front and back finishing, and reducing the production and manufacturing cost of equipment for one machine with multiple purposes.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a reverse finishing press according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a reverse finishing press start preparation in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a lower-pressure steel back structure of an upper driving cylinder for performing inverse finishing stamping according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an up-finishing steel back of a down-finishing drive cylinder according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a reset structure of an upper and lower driving cylinder for finishing a reversely refined stamping steel back according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a three-dimensional structure of a positive finishing press according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a positive finishing press start preparation according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a structure of a positive finishing stamped steel back according to an embodiment of the invention;
FIG. 9 is a schematic diagram of a reset structure of the upper and lower driving cylinders after finishing the finish of the finish stamping steel back according to the embodiment of the invention;
FIG. 10 is a schematic diagram of the upper and lower molds mated in accordance with an embodiment of the present invention;
FIG. 11 is a schematic view of a structure of a workbench according to an embodiment of the invention;
Fig. 12 is a schematic cross-sectional structure of a connection structure of a lower driving cylinder according to an embodiment of the present invention;
FIG. 13 is a schematic view of a hydraulic control circuit according to an embodiment of the present invention;
FIG. 14 is a schematic view of the structural cooperation of the top and bottom molds of the counter finishing according to the embodiment of the present invention;
FIG. 15 is a schematic diagram of the structural fit of the top and bottom molds of the positive finishing of an embodiment of the present invention;
FIG. 16 is a schematic view of the external appearance structure of an embodiment of the present invention;
fig. 17 is a schematic top view of the structure of fig. 16.
The reference numerals indicate that the machine frame 1, the workbench 11, the central through hole 12, the connecting rod through hole 13, the die carrier guide post 14, the guide rod 15, the cartridge valve 16, the oil tank 17, the protective cover 18, the hydraulic system 19, the upper driving oil cylinder 21, the upper die 22, the sliding block 23, the upper driving oil cylinder piston rod 24, the lower driving oil cylinder 31, the lower die 32, the pushing piece, the bottom cylinder moving plate 34, the bottom cylinder bearing plate 35, the lower die core 36, the lower die moving plate 37, the lower die bearing plate 38, the lower die bearing block 39, the electromagnetic directional valves 301, 302 and 303, the proportional pressure valve 304, the hydraulic oil pipelines 305 and 306, the lower driving oil cylinder body 311, the lower driving oil cylinder piston rod 312, the lower oil cylinder pull rod 313, the central bearing rod 331, the die carrier connecting rod 332, the die core top post 333 and the steel back 4.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Referring to fig. 1 to 15, a dual-purpose hydraulic press for finish machining and production in front and back comprises a frame 1, a workbench 11 arranged on the frame 1, and an upper driving oil cylinder 21 and a lower driving oil cylinder 31 arranged on the upper side and the lower side of the workbench 11, wherein the upper driving oil cylinder 21 is connected with an upper die 22, the upper driving oil cylinder 21 drives the upper die 22 to press downwards towards the direction of the workbench 11, a pushing piece 33 and a lower die 32 are detachably connected to the lower driving oil cylinder 31, and the lower driving oil cylinder 31 drives the lower die 32 to move upwards to be matched with the upper die 22 through the pushing piece 33.
As shown in fig. 12, the lower drive cylinder 31 is structured. The lower driving cylinder 31 is composed of a lower driving cylinder body 311 and a lower driving cylinder piston rod 312, and is hoisted on the workbench 11 through a lower cylinder pull rod 313. When the device works, the lower driving oil cylinder piston rod 312 drives the lower die moving plate 37 to move upwards, and the pushing piece 33 pushes the lower die 32 to move upwards to be matched with the upper die 22.
The lower driving cylinder 31 is connected with a bottom cylinder moving plate 34, and the pushing piece 33 is connected between the bottom cylinder moving plate 34 and the lower die 32.
The pushing piece 33 is arranged as a central pressure-bearing rod 331, the workbench 11 is provided with a central through hole 12, and the central pressure-bearing rod 331 passes through the central through hole 12 and is connected with the lower die 32.
A bottom cylinder bearing plate 35 is arranged between the bottom cylinder moving plate 34 and the central bearing rod 331. The lower die 32 is provided with a lower die core 36, and the lower die core 36 is connected with a central pressure-bearing rod 331.
The lower die core 36 is connected with the central pressure-bearing rod 331 through a core top post 333. Wherein, the core top post 333 is used to lift the lower mold core 36 when the central pressure-bearing rod 331 moves upward.
The pushing piece 33 is arranged as a die carrier connecting rod 332, a connecting rod through hole 13 is formed in the workbench 11, and the die carrier connecting rod 332 penetrates through the connecting rod through hole 13 and is connected with the lower die 32.
The upper end of the die carrier connecting rod 332 is provided with a lower die moving plate 37, and the lower die 32 is arranged on the lower die moving plate 37.
A lower die bearing plate 38 is arranged between the workbench 11 and the lower die moving plate 37.
The lower die bearing plate 38 is provided with a lower die bearing block 39, and the lower die bearing block 39 is arranged at the bottom of the lower die 32 in a cushioning manner.
The workbench 11 is provided with a die carrier guide post 14, and the lower die moving plate 37 is movably positioned on the die carrier guide post 14.
The upper driving cylinder 21 is connected with a slide block 23, and the upper die 22 is arranged on the lower side surface of the slide block 23. Wherein, the frame 1 is provided with a guide rod 15, and the upper driving oil cylinder 21 drives the sliding block 23 and the upper die 22 to slide on the guide rod 15 when the upper driving oil cylinder 21 drives the sliding block 23 and the upper die 22 to move downwards, so that the upper driving oil cylinder 21 drives the upper die 22 to move and position the lower pressing die accurately.
The upper driving cylinder 21 is connected with a slide block 23, and the upper die 22 is provided on the slide block 23. An upper driving cylinder piston rod 24 of the upper driving cylinder 21 is connected with the slide block 23, and the upper driving cylinder 21 controls the upward and downward movement of the slide block 23 through the upper driving cylinder piston rod 24.
As shown in fig. 16 and 17, which are an external structural view and a plan view of an embodiment of the present invention, a protective cover 18 is provided at an end of the frame 1, and a hydraulic system 19 is provided inside the protective cover 18. The hydraulic system 19 is used for outputting hydraulic oil to drive the upper driving oil cylinder 21 and the lower driving oil cylinder 31 to work. Wherein the hydraulic system 19 is provided with electromagnetic directional valves 301, 302, 303 and a proportional pressure valve 304.
In the hydraulic control oil path shown in fig. 13, the electromagnetic directional valve 301 is conducted to input hydraulic oil into the rodless cavity of the lower driving oil cylinder 31, so as to drive the piston rod 312 of the lower driving oil cylinder to rise, thereby realizing pushing the lower die 32 to rise and matching with the upper die 22 to finish the steel back. At this time, the hydraulic oil in the rod chamber of the lower drive cylinder 31 flows back to the oil tank 17 through the hydraulic oil line 306.
After finishing the finishing stamping of the steel back 4, the electromagnetic directional valve 301 is switched over, the electromagnetic directional valve 302 is conducted to control hydraulic oil to enter a rod cavity of the lower driving oil cylinder 31, the lower driving oil cylinder piston rod 312 is driven to descend, the lower die 32 is driven to reset downwards, and at the moment, the hydraulic oil in a rodless cavity of the lower driving oil cylinder 31 flows back to the oil tank 17 through the electromagnetic valve 301.
When the invention is implemented, two procedures of positive and negative finishing can be realized. In the process of the back finishing stamping operation, the steel backing 4 is placed on the lower die 32, the upper driving oil cylinder 21 drives the sliding block 23 to drive the upper die 22 to downwards press the steel backing 4, and the upper driving oil cylinder 21 keeps a certain pressure on the steel backing 4. The lower driving oil cylinder 31 drives the bottom cylinder moving plate 34 to move upwards, the lower die 32 is pushed to move upwards by the die carrier connecting rod 332 and the lower die moving plate 37, and the lower die 32 and the upper die 22 are matched for die assembly and finish of the steel back. After completion, the upper driving oil cylinder 21 drives the slide block 23 and the upper die 22 to go upward for return die opening, and the lower driving oil cylinder 31 drives the bottom cylinder moving plate 34 and the lower die 32 to go downward for die stripping.
In the process of the positive finishing stamping operation, the lower driving oil cylinder 31 drives the bottom cylinder moving plate 34 to ascend, and the lower die core 36 is pushed to ascend in place through the central pressure-bearing rod 331. The steel back 4 is placed on the lower mold 32. The upper driving cylinder 21 drives the slide block 23 and the upper die 22 to move downwards, and the upper driving cylinder is matched with the lower die 32 to mold and finish the steel back. Meanwhile, the lower driving oil cylinder 31 supports the steel back 4 to passively and synchronously descend under the downward acting force of the upper die 22 through the central pressure bearing rod 331, the die core top post 333 and the lower die core 36 under the condition that a certain back pressure is provided by the proportional pressure valve 304, and the steel back is finely trimmed and cut in the descending process. After the completion, the upper driving oil cylinder 21 drives the upper die 22 to open the die in an upward direction in a return stroke manner, the lower driving oil cylinder 31 inputs hydraulic oil to control the lower die core 36 to open the steel back in an upward direction for demoulding, and then the lower driving oil cylinder 31 drives the bottom cylinder moving plate 34 and the central pressure-bearing rod 331 to reset in a downward direction.
When the steel back is being finished and punched, the upper driving oil cylinder 21 drives the upper die 22 to finish the steel back in a descending mode, at this time, the electromagnetic directional valve 303 is electrically controlled to connect the proportional pressure valve 304 with hydraulic oil, meanwhile, the lower driving oil cylinder 31 supports the steel back 4 to synchronously descend under a certain back pressure provided by the proportional pressure valve 304 under the action of descending acting force through the central pressure bearing rod 331, the die core top column 333 and the lower die core 36, hydraulic oil in a rodless cavity of the lower driving oil cylinder 31 is compressed, and hydraulic oil in a rodless cavity of the lower driving oil cylinder 31 flows back to the oil tank 17 through the cartridge valve 16 when the pressure set by the proportional pressure valve 304 is exceeded. The reverse finishing stamping steel back electromagnetic directional valve 302 is not electrified, at the moment, the proportional pressure valve 304 is not connected into an oil way to act, and the reverse finishing pressure is controlled by the pressure of hydraulic oil provided by the hydraulic system 19.
In the inverse finishing stamping operation, as shown in fig. 13, after the upper die 22 presses the steel back 4 on the lower die core 36, the electromagnetic directional valve 301 is powered, and when the electromagnetic directional valve 301 is powered, hydraulic oil enters the hydraulic oil pipeline 305 from the cartridge valve corresponding to the electromagnetic directional valve 301 and enters the rodless cavity of the lower driving oil cylinder 31, and the lower driving oil cylinder 31 drives the bottom cylinder moving plate 34 and the die frame connecting rod 332 to push the lower die 32 arranged on the lower die moving plate 37 to perform the steel back finishing process. After finishing, the upper driving oil cylinder 21 drives the upper die 22 to move upwards for die opening in a return way, and then when the electromagnetic directional valve 302 is powered on, hydraulic oil enters the hydraulic oil pipeline 306 from a cartridge valve corresponding to the electromagnetic directional valve 302 so as to enter a rod cavity of the lower driving oil cylinder 31 for performing a downward reset action.
In summary, the present invention has been described and illustrated in the specification, and has been made into practical samples and tested for multiple uses, and from the effect of the use test, it can be proved that the present invention can achieve its intended purpose, and the practical value is undoubted. The above embodiments are only for illustrating the present invention, and are not to be construed as limiting the invention in any way, and any person having ordinary skill in the art will realize that equivalent embodiments of partial changes and modifications can be made by using the disclosed technology without departing from the scope of the technical features of the present invention.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211698631.6A CN115847909B (en) | 2022-12-28 | 2022-12-28 | A dual-purpose hydraulic press for both forward and reverse finishing production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211698631.6A CN115847909B (en) | 2022-12-28 | 2022-12-28 | A dual-purpose hydraulic press for both forward and reverse finishing production |
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| Publication Number | Publication Date |
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| CN115847909A CN115847909A (en) | 2023-03-28 |
| CN115847909B true CN115847909B (en) | 2026-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211698631.6A Active CN115847909B (en) | 2022-12-28 | 2022-12-28 | A dual-purpose hydraulic press for both forward and reverse finishing production |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117300562A (en) * | 2023-10-24 | 2023-12-29 | 西安航天三沃机电设备有限责任公司 | A self-limiting high-precision servo positioning and assembly equipment |
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| CN203124524U (en) * | 2013-01-14 | 2013-08-14 | 山西惠丰机械工业有限公司 | Reciprocating fine coining and blanking die |
| CN214022965U (en) * | 2020-12-30 | 2021-08-24 | 衡水沃嘉机械科技有限公司 | Steel backing leveling and fine blanking integrated processing device |
| CN219236240U (en) * | 2022-12-28 | 2023-06-23 | 德科摩橡塑科技(东莞)有限公司 | Front and back finishing production dual-purpose hydraulic press |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0753385B2 (en) * | 1991-04-23 | 1995-06-07 | 株式会社日本製鋼所 | Vertical injection molding machine |
| JP2002336917A (en) * | 2001-05-16 | 2002-11-26 | Jidosha Denki Kogyo Co Ltd | Blanking press equipment |
| JP4129621B2 (en) * | 2002-07-08 | 2008-08-06 | トヨタ自動車株式会社 | Press mold |
| CN101912926B (en) * | 2010-08-17 | 2012-05-30 | 上海工程技术大学 | A multi-purpose sheet metal stamping die frame with forward blanking |
| CN201769387U (en) * | 2010-08-30 | 2011-03-23 | 南通富仕液压机床有限公司 | Female die support structure of powder molding hydraulic press |
| CN205816556U (en) * | 2016-07-01 | 2016-12-21 | 武汉思凯精冲模具有限责任公司 | A kind of general oil pressure Fine punching die frame with mould quick change function |
| CN211892101U (en) * | 2020-03-12 | 2020-11-10 | 东莞市科重机械科技有限公司 | A two-in-one fast hydraulic press |
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- 2022-12-28 CN CN202211698631.6A patent/CN115847909B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203124524U (en) * | 2013-01-14 | 2013-08-14 | 山西惠丰机械工业有限公司 | Reciprocating fine coining and blanking die |
| CN214022965U (en) * | 2020-12-30 | 2021-08-24 | 衡水沃嘉机械科技有限公司 | Steel backing leveling and fine blanking integrated processing device |
| CN219236240U (en) * | 2022-12-28 | 2023-06-23 | 德科摩橡塑科技(东莞)有限公司 | Front and back finishing production dual-purpose hydraulic press |
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