CN109702097B - Efficient thermoforming equipment - Google Patents
Efficient thermoforming equipment Download PDFInfo
- Publication number
- CN109702097B CN109702097B CN201811588602.8A CN201811588602A CN109702097B CN 109702097 B CN109702097 B CN 109702097B CN 201811588602 A CN201811588602 A CN 201811588602A CN 109702097 B CN109702097 B CN 109702097B
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- frame base
- heating
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- 238000003856 thermoforming Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims description 15
- 241001397809 Hakea leucoptera Species 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 239000011449 brick Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses high-efficiency thermoforming equipment which comprises a first heating platform, a frame base and two working tables, wherein the frame base is provided with two work waiting stations and a forming station, the two work waiting stations are respectively a first work waiting station and a second work waiting station, the forming station is positioned between the first work waiting station and the second work waiting station, the first heating platform is movably arranged at the forming station, the working tables comprise a moving platform movably arranged on the frame base and a second heating platform arranged on the moving platform, one working table moves back and forth between the first work waiting station and the forming station, and the other working table moves back and forth between the second work waiting station and the forming station. One of the work stations is at one of the work stations, and the other work station is at the forming station or the other work station. When the workbench is positioned at the waiting station, the heat shield covers the workbench to preheat or cool the parts on the second heating platform.
Description
Technical Field
The invention relates to efficient thermoforming equipment, and belongs to the field of forming machines.
Background
Taking the hot forming equipment for producing the sheet metal parts of the aerospace vehicle as an example, the highest heating temperature can reach 950 ℃, the sheet metal parts are characterized by multiple varieties and small batches, the production needs to be carried out through the processes of hoisting, heating, heat preservation, forming, cooling and the like of the parts to be processed, and generally, the production of one part needs at least 24 hours. In particular, the step of heating and preserving heat of the part to be processed is very long in duration, and the host machine is usually in a standby state in the step. Currently, to meet the production requirements, the general host factory is to increase the number of thermoforming machines. In addition, the cost of the general thermoforming press is relatively high, the equipment is always in the process of heating, preserving heat and cooling, and the energy consumption cost is relatively high.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing high-efficiency thermoforming equipment with higher working efficiency.
The technical problems are solved, and the invention adopts the following technical scheme:
the utility model provides a high-efficient thermoforming equipment, including a heating platform, the frame base and two workstations, be provided with two wait to work the station and take shape the station on the frame base, two wait to work the station and wait to work the station for a work station and No. two respectively, take shape the station and be located a wait to work the station and wait to work between the station two, a heating platform activity sets up in the station department that takes shape, the workstation is including the moving platform that the activity set up on the frame base and install No. two heating platform on the moving platform, one of them workstation comes and goes to wait to work the station and take shape the station for a work station, another workstation comes and goes to No. two wait to work the station and take shape the station.
The beneficial effects of the invention are as follows:
one of the work stations is at one of the work stations, and the other work station is at the forming station or the other work station. When the workbench is positioned at the waiting station, the heat shield covers the workbench to preheat or cool the part to be processed on the second heating platform. When the workbench is positioned at the forming station, the first heating platform is close to the second heating platform, the heating and heat preservation of the part to be processed can be performed on the workbench, then the workbench is moved from the forming station to the idle station to be processed for cooling, and the workbench at the other station to be processed is moved to the forming station for heating. Therefore, the first heating platform is always in a working state, but not in a standby state, the corresponding energy consumption waste is reduced, the working efficiency is increased, and particularly, compared with a plurality of devices, the device cost is obviously reduced, and the space utilization rate is greatly improved.
According to the invention, the positioning pin is arranged at the forming station of the machine frame base, the positioning pin is exposed out of the machine frame base, the bottom of the workbench is provided with the positioning groove, the positioning groove is internally sleeved with the pin bush matched with the positioning pin in shape, the workbench is connected with the lifting mechanism, and when the workbench stays at the forming station, the outer wall of the positioning pin is attached to the inner wall of the pin bush.
The outer wall of the locating pin is provided with a guide surface.
The clamping mechanism for pressing the workbench is arranged above the forming station, and the workbench is pressed on the frame base by the clamping mechanism when the workbench stays at the forming station.
The edge of the forming station is provided with a stop block, the side wall of the workbench is provided with a base plate, and when the workbench stays at the forming station, the base plate is positioned between the workbench and the stop block.
A guide rail is arranged between the waiting station and the forming station, the guide rail is positioned below a moving platform, rollers are arranged at the bottom of the moving platform, the rollers are arranged on the guide rail in a rolling mode, and a lifting mechanism is connected with the guide rail.
According to the invention, the furnace door is movably arranged at the forming station of the frame base, when the workbench stays at the forming station, the first heating platform, the second heating platform and the furnace door are enclosed to form a heating chamber, the servo motor is arranged at the forming station of the frame base, the servo motor is connected with the screw rod, the screw rod is connected with the nut in a threaded manner, the nut is arranged on the furnace door, and the screw rod rotates to drive the furnace door to translate.
Other features and advantages of the present invention will be disclosed in the following detailed description of the invention and the accompanying drawings.
Drawings
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic view in front cross-section of a work station in accordance with an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at X in bitmap 1;
FIG. 3 is a schematic view of a front view of the bottom of a workbench according to an embodiment of the invention;
fig. 4 is a schematic perspective view of a dual stage thermoforming apparatus in accordance with an embodiment of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present invention.
In the following description, directional or positional relationships such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are presented for convenience in describing the embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Examples
Referring to fig. 1-4, the present embodiment illustrates a twin stage thermoforming apparatus comprising a heating stage A3, a frame base D, and two stages.
Wherein, two workstations are workstation and No. two workstation H respectively, and workstation and No. two workstation H structures are the same entirely.
The workbench comprises a moving platform A1 and a second heating platform A2 arranged on the moving platform A1. The mobile platform A1 is movably arranged on the frame base D, and the mobile platform A1 drives the second heating platform A2 to move on the frame base D.
The stand base D is provided with a waiting work station and a forming work station G, and a first heating platform A3 is movably arranged at the forming work station G. The second heating platform A2 is used for conveying the part to be processed by driving the second heating platform A2 to move back and forth between the work waiting station and the forming station G under the driving of the moving platform A1. The frame base D is provided with a furnace door A6 respectively in the front, back, left and right directions at the forming station G. All furnace doors A6 can linearly move along the horizontal direction, meanwhile, the front furnace door A6 and the rear furnace door A6 can also linearly move along the vertical direction, the moving platform A1 moves along the front and rear directions, and the front and rear furnace doors A6 move up and down to give way to the second heating platform A2 on the moving platform A1.
The first heating platform A3 is movably arranged at the forming station G along the vertical direction. When the second heating platform A2 is located at the forming station G, the first heating platform A3 moves downwards, the first heating platform A3, the second heating platform A2 and the four furnace doors A6 are closed to form a heating chamber, the first heating platform A3 is close to the second heating platform A3 along the vertical direction and heats the heating chamber together with the second heating platform A3, the furnace doors A6 are matched for heat preservation, and meanwhile parts to be processed on the first heating platform A3 are pressed, so that the parts to be processed become finished parts. And after the completion, the heating platform A3 is lifted to leave the heating chamber from the top of the heating chamber, the furnace door A6 is moved, and the workbench is moved from the forming station G to the waiting station to cover the heat shield for slow cooling. The same workbench can be covered with the heat shield at the position of the work waiting station, the part to be processed is preheated by the second heating platform A2, then the heat shield is taken down, the part to be processed on the second heating platform A2 is sent to the forming station G by the moving platform A1, is matched with the first heating platform A3 for heating, and then returns to the work waiting station for cooling. The heat shield keeps warm in the preheating process, prevents the product part from radiating excessively strong heat to the outside in the cooling process, and prevents the product part from being rapidly cooled.
In the forming process, the temperature in the heating chamber can reach 950 ℃ at most, and in order to reduce or avoid the influence of the high temperature in the heating chamber on the movable platform A1 in the forming process, one side of the second heating platform A2 adjacent to the movable platform A1 is provided with a heat insulation cooling system.
The heat-insulating cooling system comprises a heat-insulating refractory brick A4 and a cooling water plate A5, and a second heating platform A2, the heat-insulating refractory brick A4, the cooling water plate A5 and a moving platform A1 are sequentially arranged from top to bottom. In the forming process, the heat-insulating refractory bricks A4 carry out heat insulation on the inside of the heating chamber while bearing, so that the heat transferred from the inside of the heating chamber to the movable platform A1 is reduced. The circulating waterway is distributed in the middle of the cooling water plate A5, cooling water in the circulating waterway is cooled through the forced cooling circulating equipment, tap water is connected into the circulating waterway through the reversing valve to prevent the forced cooling circulating equipment from losing efficacy, and the temperature of the mobile platform A1 is reduced through the structure, so that the mobile platform A1 is in a room temperature state as much as possible.
Similarly, the top of the first heating platform A3 is also provided with a heat-insulating refractory brick A4 so as to ensure the heat-insulating effect of the top of the heating chamber when the first heating platform A3 heats the heating chamber. Meanwhile, a first heating platform A3 is also connected with a sliding block A7, and the first heating platform A3 is driven by the sliding block A7 to move up and down at a forming station G.
The first heating platform A3 and the second heating platform A2 can both adopt three-section heating pipes as heat sources.
The translation mode of the oven door A6 in this embodiment is as follows: the servo motor is connected with the screw rod, a nut is connected to the screw rod in a threaded mode, the nut is arranged on the furnace door A6, and the servo motor drives the screw rod to rotate, so that the screw rod is converted into linear motion of the nut, and the furnace door A6 is driven to translate. The screw rod is matched with the nut, so that the accurate control of the moving position of the furnace door A6 is realized. When the torque of the motor shaft exceeds or reaches a critical value, a signal can be sent to a controller for controlling the servo motor by a torque sensor to control the screw rod, so that the furnace door A6 stops moving or backs up for a small distance, excessive extrusion between the heat insulation cotton at the inner side of the furnace door A6 and the first heating platform A3 is avoided, and the service life of the heat insulation cotton is prolonged.
In addition, in this embodiment, a mandrel mechanism, such as that of chinese patent CN201810884081.4, may be further installed on the working table, so as to jack up the finished part pressed at the forming station G from the surface of the moving platform A1.
In this embodiment, there are two waiting stations, and the two waiting stations are a waiting station E and a second waiting station F, respectively, and the forming station G is located between the first waiting station E and the second waiting station F, where the first waiting station E, the forming station G, and the second waiting station F are linearly arranged along the front-rear direction.
The first workbench moves to and from the first waiting work station E and the forming work station G through the self moving platform A1, and the second workbench H moves to and from the second waiting work station F and the forming work station G through the self moving platform A1. When the first workbench is positioned at the first waiting work station E, the second workbench H can be switched between the forming station G and the second waiting work station F. When the second workbench H is positioned at the second waiting work station F, the first workbench can be switched between the forming station G and the first waiting work station E.
Taking the first workbench as an example, the part on the first workbench is preheated or cooled at the first waiting station E, and the part on the second workbench H can be heated and insulated at the forming station G and also can be preheated or cooled at the second waiting station F. After the part on the first workbench is preheated at the first waiting station E, if the part on the second workbench H is positioned at the second waiting station F for cooling, the part on the first workbench can be heated towards the forming station G, after the part on the first workbench is heated, the part on the first workbench can be returned to the first waiting station E for cooling, and in the part heating process on the first workbench, the part on the second workbench H is cooled at the second waiting station F and the next batch of parts are preheated.
Through the above-mentioned working process, compared with a single existing thermoforming machine, the double-workbench thermoforming equipment of this implementation has a working efficiency of about 2.5 times.
In order to ensure the positioning effect of the workbench at the forming station G, the positioning pin B3 is arranged at the forming station G by the frame base D, the positioning pin B3 is exposed out of the frame base D, a positioning groove is formed in the bottom of the workbench, and a pin sleeve B4 matched with the positioning pin B3 in shape is sleeved in the positioning groove. The workstation is connected with the elevating system who is used for lifting the workstation, and when the workstation operation to locating pin B3, elevating system makes the workstation cross locating pin B3, until locating pin B3 exposes the part of frame base D and aligns pin bush B4, then elevating system control workstation decline, and locating pin B3 exposes the laminating at the outer wall of frame base D outside and the inner wall of pin bush B4, and the workstation location remains to shaping station G.
The locating pin B3 is assembled and disassembled on the frame base D through a screw, the end part of the locating pin B3 is exposed out of the frame base D, and the pin sleeve B4 is assembled and disassembled in the locating groove through a taper pin. Because during the use, the pin bush B4 and the locating pin B3 are frequently separated and located, the pin bush B4 and the locating pin B3 are easy to damage, in addition, in order to ensure the locating effect of the pin bush B4 and the locating pin B3, the position of the pin bush B4 on a workbench and the position of the locating pin B3 on a machine frame base D need to be fixed, and therefore, the requirements are met simultaneously in a mode of disassembling and assembling by adopting screws and taper pins.
In order to make the pin bush B4 more easily sleeve the positioning pin B3 in the process of lowering the workbench, in this embodiment, the outer wall of the positioning pin B3 is provided with a guide surface B5, the guide surface B5 is generally an inclined surface or an arc surface, and the positioning pin B3 more easily slides into the pin bush B4 under the action of gravity. Meanwhile, in order to ensure the levelness of the workbench, a clamping mechanism for pressing the workbench is arranged above the forming station G. The clamping mechanism further presses the workbench at the forming station G, so that the positioning pin B3 is sleeved into the pin sleeve B4 as precisely as possible, and the workbench is attached to the machine frame base D. The clamping mechanism can be an oil cylinder.
The edge of the forming station G is provided with a stop block B1, and the side wall of the workbench is provided with a backing plate B2. Taking the first workbench as an example, a certain horizontal speed still exists when the pin bush B4 of the first workbench is sleeved on the positioning pin B3, and the buffer is carried out by impacting the stop block B1 through the base plate B2 at the moment, so that the horizontal speed of the first workbench is reset to zero, and finally the base plate B2 is positioned between the first workbench and the stop block B1
Taking a first workbench as an example, a guide rail is arranged between the first waiting work station E and the forming work station G, the guide rail is positioned below a moving platform A1 of the first workbench, a roller C1 is arranged at the bottom of the moving platform A1 of the first workbench, the roller C1 is arranged on the guide rail in a rolling way, and a lifting mechanism is connected with the guide rail and then connected with the first workbench. The corresponding first workbench realizes position switching and reciprocation between the first waiting station E and the forming station G through the guide rail. The lifting mechanism is used for lifting the first workbench to be at the position of the first waiting station E through lifting the guide rail, so that the first workbench is slightly higher than the positioning pin B3 in height, the first workbench passes over the pin sleeve B4 until the pin sleeve B4 is aligned with the pin sleeve B4 in the process of going to the forming station G from the first waiting station E, at the moment, the first workbench falls under the action of the lifting mechanism, the pin sleeve B4 and the positioning pin B3 are aligned and positioned, and the horizontal speed of the first workbench is reset by the stop block B1 matched with the base plate B2.
The bottom of the first workbench is provided with a motor C2, a coupler C3 and a gear C4, the motor C2 is connected with the gear C4 through the coupler C3, and the gear C4 is fixed with the roller C1.
While the invention has been described in terms of embodiments, it will be appreciated by those skilled in the art that the invention is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the appended claims.
Claims (7)
1. An efficient thermoforming apparatus, characterized by: including a heating platform, the frame base and two workstations, be provided with two wait to work the station and take shape the station on the frame base, two wait to work the station and wait to work the station for a worker and two respectively, take shape the station and be located a wait to work the station and wait to work between the station for a worker and two, a heating platform activity sets up in the station department that takes shape, the workstation is including the moving platform that the activity set up on the frame base and install No. two heating platforms on the moving platform, one of them workstation comes and goes in a wait to work the station and take shape the station, another workstation comes and goes in No. two wait to work the station and take shape the station with taking shape the station, the frame base is provided with the furnace gate in the station department activity that takes shape, and stop to take shape to the station, no. one heating platform, no. two heating platforms and furnace gate enclose and form the heating chamber, no. two heating platforms are close to No. two heating platforms along vertical direction and with No. two heating platforms and heat the furnace gate together, and cooperate and wait to carry out the heat preservation part to make simultaneously on the processing part to wait for the heat preservation.
2. The efficient thermoforming apparatus of claim 1, wherein: the machine frame base is provided with a locating pin at a forming station, the locating pin is exposed out of the machine frame base, the bottom of the workbench is provided with a locating groove, a pin bush matched with the locating pin in shape is sleeved in the locating groove, the workbench is connected with a lifting mechanism, and when the workbench stays at the forming station, the outer wall of the locating pin is attached to the inner wall of the pin bush.
3. The efficient thermoforming apparatus of claim 2, wherein: and a guide surface is arranged on the outer wall of the positioning pin.
4. The efficient thermoforming apparatus of claim 2, wherein: the clamping mechanism for pressing the workbench is arranged above the forming station, and the workbench is tightly pressed on the frame base by the clamping mechanism when the workbench stays at the forming station.
5. The high efficiency thermoforming apparatus of claim 2 or 3 or 4, wherein: the edge of the forming station is provided with a stop block, the side wall of the workbench is provided with a base plate, and when the workbench stays at the forming station, the base plate is positioned between the workbench and the stop block.
6. The efficient thermoforming apparatus of claim 2, wherein: the guide rail is arranged between the waiting station and the forming station, the guide rail is positioned below the moving platform, the bottom of the moving platform is provided with rollers, the rollers are arranged on the guide rail in a rolling mode, and the lifting mechanism is connected with the guide rail.
7. The efficient thermoforming apparatus of claim 1, wherein: the servo motor is arranged at the forming station of the frame base, the servo motor is connected with a screw rod, a nut is connected to the screw rod in a threaded manner, the nut is arranged on the furnace door, and the screw rod rotates to drive the furnace door to translate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588602.8A CN109702097B (en) | 2018-12-25 | 2018-12-25 | Efficient thermoforming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588602.8A CN109702097B (en) | 2018-12-25 | 2018-12-25 | Efficient thermoforming equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109702097A CN109702097A (en) | 2019-05-03 |
| CN109702097B true CN109702097B (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811588602.8A Active CN109702097B (en) | 2018-12-25 | 2018-12-25 | Efficient thermoforming equipment |
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| CN (1) | CN109702097B (en) |
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| DE102005022004A1 (en) * | 2005-05-09 | 2006-11-16 | Geiss Ag | Device for processing a deformed thermoplastic sheet |
| DE102014119545A1 (en) * | 2014-12-23 | 2016-06-23 | Benteler Automobiltechnik Gmbh | Spring-mounted segmented hot-forming tool and method for producing a hot-formed and press-hardened steel component with a sharply bordered transition region |
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| DE1854784U (en) * | 1960-10-04 | 1962-07-05 | British Fed Welder And Machine | TRANSLATION DEVICE FOR A PLANT FOR THE MANUFACTURE OF METAL CONSTRUCTIONS. |
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| Publication number | Publication date |
|---|---|
| CN109702097A (en) | 2019-05-03 |
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