CN110481136B - Preheating type hot press - Google Patents
Preheating type hot press Download PDFInfo
- Publication number
- CN110481136B CN110481136B CN201910853151.4A CN201910853151A CN110481136B CN 110481136 B CN110481136 B CN 110481136B CN 201910853151 A CN201910853151 A CN 201910853151A CN 110481136 B CN110481136 B CN 110481136B
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- lower die
- upper die
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- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 8
- 238000007731 hot pressing Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1009—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using vacuum and fluid pressure
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a preheating type hot press, which comprises a frame, wherein an upper die and a lower die are arranged on the frame, at least one of the upper die and the lower die is provided with a heating device, the lower die is relatively fixed with the frame, the upper die is positioned above the lower die, and an upper die driving device for driving the upper die to lift is arranged on the frame. The invention can convey the workpiece to the lower die, and preheat the workpiece to a certain temperature in the conveying process, thereby reducing the hot-pressing time and improving the production efficiency.
Description
Technical Field
The invention relates to a preheating type hot press.
Background
A hot press is a mechanical device widely used in industrial production, which can bond two or more layers of materials together by heating and pressurizing them, and is used for producing composite materials, flat plate members, and the like.
Generally, the hot press includes two hot dies that are opposite from top to bottom, and wherein the hot dies that are located the below are fixed, and the hot dies that are located the top can be under power device's drive up-and-down motion, and the hot dies have heating function, and the work piece is put into between two hot dies after, and the hot dies that are located the top heat and exert pressure to the work piece, from this accomplish the processing of work piece.
The temperature in winter is lower, and the workpiece is cold, so that the temperature requirement of hot press shaping can be met after a long time of heating, and the hot press time is increased, so that the working efficiency is reduced.
Disclosure of Invention
The invention aims to provide a preheating type hot press for solving the problems, which can preheat a workpiece before hot pressing, so as to reduce hot pressing time and improve working efficiency.
In order to achieve the purpose, the device comprises a frame, wherein an upper die and a lower die are arranged on the frame, at least one of the upper die and the lower die is provided with a heating device, the lower die is relatively fixed with the frame, the upper die is positioned above the lower die, an upper die driving device for driving the upper die to lift is arranged on the frame, the device is characterized in that a preheating chamber is arranged at the position, behind the lower die, on the frame, a workpiece outlet and a workpiece inlet are respectively arranged at the front end and the rear end of the preheating chamber, the workpiece outlet faces the lower die, a conveying roller set for conveying workpieces to the lower die is arranged in the preheating chamber, the conveying roller set comprises a plurality of conveying rollers with driving, which are arranged at intervals in the front and the rear, a plurality of heaters are arranged at intervals in the preheating chamber, and the conveying rollers and the heaters are alternately arranged. The working process of the preheating type hot press is as follows: the workpiece is sent into the preheating chamber from the workpiece inlet, the workpiece is conveyed forward by the conveying roller set, the workpiece is sent to the lower die from the workpiece outlet, the workpiece is hot-pressed after the upper die is lowered, and the workpiece is taken out after the upper die is lifted. In the process of conveying the workpiece in the preheating chamber, the workpiece is preheated by the heater to reach a certain temperature, so that the hot-pressing time can be reduced, and the production efficiency is improved.
The preheating chamber is provided with a top block capable of moving back and forth and a top block driving device for driving the top block to move, the front side of the top block is hinged with a shifting block with the lower end capable of swinging back and forth, and the lower end of the shifting block is longer than the lower end face of the top block and higher than the upper surface of the conveying roller. In the process of conveying the workpiece, after the rear end of the workpiece leaves the conveying roller positioned at the forefront, the workpiece cannot move forwards continuously, so that the workpiece needs to be manually moved forwards to be positioned on the lower die completely, and the workpiece is preheated, so that the workpiece has higher temperature and inconvenient movement, and the problem is solved through the improvement, and the working mode is as follows: when a worker passes through the conveying roller set, the lower end of the shifting block can swing forward freely, so that the blocking of the workpiece is avoided; when the workpiece leaves the conveying roller set, the shifting block naturally sags, the blocking shifting block which is blocked by the jacking block cannot swing backwards after sagging, and the shifting block can push the workpiece forwards when the jacking block is driven by the jacking block driving device to move forwards, so that the workpiece is in place.
The top block driving device comprises a driving oil cylinder arranged on the top wall of the preheating chamber, a piston rod of the driving oil cylinder extends forwards, and the top block is fixed at the front end of the piston rod. The driving oil cylinder is convenient to control, and the stroke of the top block is stable.
The heater comprises a heat conducting strip extending leftwards and rightwards, a heat radiating surface is arranged at the top of the heat conducting strip, a mounting hole extending along the length direction of the heat conducting strip is formed in the heat conducting strip, and an electric heating pipe is arranged in the mounting hole.
The electric heating pipe is positioned in the heat conducting strip, the safety is relatively high; the radiating surface can fully radiate heat, and the heating effect of the workpiece is better.
The machine frame comprises a bottom plate, a supporting frame is arranged at the front part of the bottom plate, a top plate is arranged at the top of the supporting frame, the upper die and the lower die are arranged in a space between the top plate and the bottom plate, the lower die is fixed on the bottom plate, and the preheating chamber is arranged at the position, located behind the lower die, on the bottom plate. The preheating chamber and the lower die are both positioned on the bottom plate, so that the structure of the whole hot press is more integrated and simplified, and meanwhile, the position of the conveying roller set is convenient to adjust, the position of the conveying roller set corresponds to the position of the lower die better, and the workpiece is conveyed more smoothly.
The upper die driving device comprises a pressure oil cylinder arranged on the top plate, a piston rod of the pressure oil cylinder extends downwards, and the top surface of the upper die is connected with the piston rod. The pressure cylinder drives the upper die to lift, so that larger pressure can be provided, and the control is more convenient.
In summary, the invention can convey the workpiece to the lower die, and preheat the workpiece to a certain temperature in the conveying process, thereby reducing the hot-pressing time and improving the production efficiency.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic structural view of another use state of the present invention.
Detailed Description
Referring to the drawings, the preheating type hot press comprises a frame 1, wherein an upper die 2 and a lower die 3 are arranged on the frame 1, at least one of the upper die 2 and the lower die 3 is provided with a heating device, the lower die 3 is relatively fixed with the frame 1, the upper die 2 is positioned above the lower die 3, an upper die driving device for driving the upper die 2 to lift is arranged on the frame 1, the preheating type hot press is characterized in that a preheating chamber 4 is arranged at the position, behind the lower die 3, of the frame 1, workpiece outlets 5 and workpiece inlets 6 are respectively arranged at the front end and the rear end of the preheating chamber 4, the workpiece outlets 5 face the lower die 3, a conveying roller set for conveying workpieces on the lower die 3 is arranged in the preheating chamber 4, the conveying roller set comprises a plurality of conveying rollers 7 with driving functions, a plurality of heaters 8 are arranged in the preheating chamber 4 at intervals, and the conveying rollers 7 and the heaters 8 are alternately arranged. At least one of the upper die 2 and the lower die 3 is provided with a heating device which has a heating function, and the heating device can be an electric heating pipe arranged on the upper die 2 or the lower die 3, a heat exchanger arranged in the upper die 2 or the lower die 3, or other structures capable of heating the upper die 2 or the lower die 3 body. The working process of the preheating type hot press is as follows: the workpiece is sent into the preheating chamber 4 from the workpiece inlet 6, the workpiece is conveyed forward by the conveying roller group, the workpiece is sent to the lower die 3 from the workpiece outlet 5, the upper die 2 is lowered to carry out hot pressing on the workpiece, and the workpiece is taken out after the upper die 2 is lifted. In the process of conveying the workpiece in the preheating chamber 4, the workpiece is preheated by the heater 8 to reach a certain temperature, so that the hot-pressing time can be reduced, and the production efficiency can be improved.
The preheating chamber 4 is provided with a top block 9 capable of moving back and forth and a top block driving device for driving the top block 9 to move at a position above the conveying roller group, a shifting block 10 with the lower end capable of swinging back and forth is hinged at the front side of the top block 9, and the lower end of the shifting block 10 is longer than the lower end face of the top block 9 and higher than the upper surface of the conveying roller 7. In the process of conveying the workpiece, when the rear end of the workpiece leaves the conveying roller 7 positioned at the forefront, the workpiece does not move forward continuously, so that the workpiece needs to be manually moved forward to be positioned on the lower die 3 completely, and the workpiece is preheated, so that the workpiece has higher temperature and inconvenient movement, and the problem is solved through the improvement, and the working mode is as follows: when a worker passes through the conveying roller set, the lower end of the shifting block 10 can swing forward freely, so that the blocking of the workpiece is avoided; when the workpiece leaves the conveying roller set, the shifting block 10 naturally sags, the shifting block 10 blocked by the top block 9 cannot swing backwards after sagging, and the shifting block 10 can push the workpiece forwards when the top block 9 is driven to move forwards by the top block driving device, so that the workpiece is in place.
The top block driving device comprises a driving oil cylinder 11 arranged on the top wall of the preheating chamber 4, a piston rod of the driving oil cylinder 11 extends forwards, and the top block 9 is fixed at the front end of the piston rod. The driving oil cylinder 11 is convenient to control, and the stroke of the top block 9 is relatively stable.
The heater 8 comprises a heat conducting strip 12 extending leftwards and rightwards, a heat radiating surface 13 is arranged at the top of the heat conducting strip 12, a mounting hole 14 extending along the length direction of the heat conducting strip 12 is arranged on the heat conducting strip 12, and an electric heating pipe 15 is arranged in the mounting hole 14. The electric heating pipe 15 is positioned in the heat conducting strip 12, so that the electric heating pipe is safer; the radiating surface 13 can radiate heat sufficiently, and the heating effect of the workpiece is better.
The rack 1 comprises a bottom plate 16, a supporting frame 17 is arranged at the front part of the bottom plate 16, a top plate 18 is arranged at the top of the supporting frame 17, the upper die 2 and the lower die 3 are arranged in a space between the top plate 18 and the bottom plate 16, the lower die 3 is fixed on the bottom plate 16, and the preheating chamber 4 is arranged on the bottom plate 16 and positioned behind the lower die 3. The preheating chamber 4 and the lower die 3 are both positioned on the bottom plate 16, so that the structure of the whole hot press is more integrated and simplified, and meanwhile, the position of the conveying roller set is convenient to adjust, so that the conveying roller set corresponds to the position of the lower die 3 better, and the workpiece is conveyed more smoothly.
The upper die driving device comprises a pressure oil cylinder 19 arranged on a top plate 18, a piston rod of the pressure oil cylinder 19 extends downwards, and the top surface of the upper die 2 is connected with the piston rod. The pressure cylinder 19 drives the upper die 2 to lift, can provide larger pressure, and is convenient to control.
In summary, the present invention is not limited to the above embodiments. Those skilled in the art can make several changes and modifications without departing from the spirit and scope of the invention, and all such changes and modifications shall fall within the scope of the invention.
Claims (3)
1. The preheating type hot press comprises a frame (1), wherein an upper die (2) and a lower die (3) are arranged on the frame (1), at least one of the upper die (2) and the lower die (3) is provided with a heating device, the lower die (3) is relatively fixed with the frame (1), the upper die (2) is positioned above the lower die (3), an upper die driving device for driving the upper die (2) to lift is arranged on the frame (1), the preheating type hot press is characterized in that a preheating chamber (4) is arranged at a position, positioned behind the lower die (3), on the frame (1), at the front end and the rear end of the preheating chamber (4) respectively provided with a workpiece outlet (5) and a workpiece inlet (6), the workpiece outlet (5) faces the lower die (3), a conveying roller set for conveying workpieces on the lower die (3) is arranged in the preheating chamber (4), the conveying roller set comprises a plurality of conveying rollers (7) which are driven in a front-back spacing manner, a plurality of heaters (8) are arranged in the preheating chamber (4) at a front-back spacing manner, and the conveying rollers (7) are alternately arranged with the heaters (8); the preheating chamber (4) is provided with a top block (9) capable of moving forwards and backwards and a top block driving device for driving the top block (9) to move, a shifting block (10) with the lower end capable of swinging forwards and backwards is hinged to the front side of the top block (9), the lower end of the shifting block (10) is longer than the lower end face of the top block (9) and higher than the upper surface of the conveying roller (7), when a workpiece passes through the conveying roller set, the lower end of the shifting block (10) can swing forwards freely, the workpiece cannot be blocked, after the workpiece leaves the conveying roller set, the shifting block (10) naturally sags, the shifting block (10) can not swing backwards after being sagged, and the top block driving device drives the top block (9) to move forwards, so that the workpiece can be pushed forwards and the workpiece is in place;
The top block driving device comprises a driving oil cylinder (11) arranged on the top wall of the preheating chamber (4), a piston rod of the driving oil cylinder (11) extends forwards, and the top block (9) is fixed at the front end of the piston rod;
The heater (8) comprises a heat conducting strip (12) extending leftwards and rightwards, a radiating surface (13) is arranged at the top of the heat conducting strip (12), a mounting hole (14) extending along the length direction of the heat conducting strip is formed in the heat conducting strip (12), and an electric heating pipe (15) is arranged in the mounting hole (14).
2. The preheating type hot press according to claim 1, wherein the frame (1) comprises a bottom plate (16), a supporting frame (17) is arranged at the front part of the bottom plate (16), a top plate (18) is arranged at the top of the supporting frame (17), the upper die (2) and the lower die (3) are arranged in a space between the top plate (18) and the bottom plate (16), the lower die (3) is fixed on the bottom plate (16), and the preheating chamber (4) is arranged on the bottom plate (16) and positioned behind the lower die (3).
3. The preheating type hot press according to claim 2, wherein the upper die driving means comprises a pressure cylinder (19) mounted on the top plate (18), a piston rod of the pressure cylinder (19) extends downward, and a top surface of the upper die (2) is connected with the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910853151.4A CN110481136B (en) | 2019-09-10 | 2019-09-10 | Preheating type hot press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910853151.4A CN110481136B (en) | 2019-09-10 | 2019-09-10 | Preheating type hot press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110481136A CN110481136A (en) | 2019-11-22 |
| CN110481136B true CN110481136B (en) | 2024-08-09 |
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ID=68557178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910853151.4A Active CN110481136B (en) | 2019-09-10 | 2019-09-10 | Preheating type hot press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110481136B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020091B (en) * | 2023-07-07 | 2024-04-05 | 重庆荆江汽车半轴股份有限公司 | A multi-station vertical swing rolling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012540Y (en) * | 2007-03-26 | 2008-01-30 | 百塑企业股份有限公司 | Hot Press |
| CN107117801A (en) * | 2017-06-14 | 2017-09-01 | 深圳市策维科技有限公司 | Bend glass hot press and forming method |
| CN210652244U (en) * | 2019-09-10 | 2020-06-02 | 青岛华博机械科技有限公司 | Preheating type hot press |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285116B (en) * | 2011-07-27 | 2013-07-17 | 东莞广德运动用品有限公司 | Hot press with improved structure and hot press forming method thereof |
| CN105217969A (en) * | 2015-09-25 | 2016-01-06 | 嵊州市寰鼎玻璃科技有限公司 | A kind of full-automatic glass thermocompressor being applied to double glazing and producing |
-
2019
- 2019-09-10 CN CN201910853151.4A patent/CN110481136B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012540Y (en) * | 2007-03-26 | 2008-01-30 | 百塑企业股份有限公司 | Hot Press |
| CN107117801A (en) * | 2017-06-14 | 2017-09-01 | 深圳市策维科技有限公司 | Bend glass hot press and forming method |
| CN210652244U (en) * | 2019-09-10 | 2020-06-02 | 青岛华博机械科技有限公司 | Preheating type hot press |
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| Publication number | Publication date |
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| CN110481136A (en) | 2019-11-22 |
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