TWM526833U - Continuous vacuum forming machine - Google Patents

Description

Continuous vacuum forming machine

The utility model relates to a shoe upper forming machine, in particular to a continuous vacuum forming which can save the mold cost by vacuum suction and heating, can quickly complete the surface molding work, and can continue the upper cooling operation. machine.

In order to increase the appearance and decorative effect, the upper usually forms various irregular lines on the surface, and in order to shape the concave and convex lines, the manufacturer usually uses a hot press molding machine to form the general hot press forming machine. The utility model mainly comprises a shoe mold, wherein the shoe mold is composed of a male mold and a female mold which can be combined, and a shoe upper member is placed in the shoe mold, and after being properly heated and pressurized, the shoe mold can be used. The upper member is formed with a concave-convex pattern like a cavity shape.

Although the above-mentioned hot press forming machine can be formed into a shoe upper texture, there is still a need for improvement in use. Generally, the hot press forming machine uses the shoe mold to perform hot press forming work on the upper piece, when molded. When the shape of the upper is different, it is necessary to make different molds, and the overall mold opening cost is quite expensive, which will greatly increase the manufacturing cost. In addition, each time the shoe mold is to be placed in the upper part for molding work, it is necessary to make a switch mold. Action, while the shoe mold transfers heat by its own metal material characteristics, the heat transfer rate is not fast, so the shoe mold must be preheated before heating to reach the forming temperature of the upper part, and the whole operation often takes a long time (depending on the molding temperature) The height depends on the height, usually takes about 30~40 seconds), and after each molding operation, the entire shoe mold needs to be cooled before the mold opening, which often causes the standby time to increase, resulting in the general hot press molding machine. Work efficiency is low.

Therefore, the object of the present invention is to provide a continuous vacuum forming machine which improves work efficiency.

Therefore, the novel continuous vacuum forming machine comprises a machine table device, an upper heating device, two vacuum heating devices, and two cooling devices.

The machine assembly includes an elongate stage and a fixing seat extending upward from a center of the elongate stage, the elongate stage having a heating zone at the center and one of the two sides of the heating zone a first cooling zone and a second cooling zone.

The upper heating device includes an upper driving member disposed on the fixing base, and an upper heater movably disposed below the fixing seat and contacting the upper driving member, at least one of being mounted in the upper heater The upper heating element and an upper silicone film disposed on the bottom of the upper heater.

The vacuum heating devices are arranged side by side on the elongated stage, and can be driven by the driving member to reciprocate between a first position and a second position, and respectively connected to a suction pump. In a position, the vacuum heating devices are respectively located in the first cooling zone and the heating zone. In the second position, the vacuum heating devices are respectively located in the heating zone and the second cooling zone, and each vacuum heating device comprises An annular suction frame having at least one vacuum opening opened on the inner circumferential surface and communicating with the air suction pump, a placement screen disposed in the annular suction frame, and a bottom plate disposed on the bottom side of the annular suction frame a lower heater that closes the opening on the bottom side of the annular suction frame, and at least one lower heating element that is installed in the lower heater.

The cooling devices are disposed on the elongated stage, and can respectively blow cold air to the vacuum heating devices located in the first cooling zone and the second cooling zone.

Wherein, the upper heater can be driven to move toward the vacuum heating device located in the heating zone by the upper driving member, thereby pressing the upper rubber film against the top surface of the annular suction frame of the vacuum heating device to close the ring The top side of the suction frame is open.

The effect of the present invention is that not only can the two upper members respectively carried on the vacuum heating devices be sequentially heated by the vacuum heating device movable between the first position and the second position. The zone performs a hot pressing operation, and performs a cooling operation in the first cooling zone or the second cooling zone, and allows the operator to wait for one of the upper members to perform a hot pressing operation, and another cooled finished upper member The finished product is taken out, and another upper part to be hot pressed is placed in the first cooling zone or the second cooling zone. On the vacuum heating device, the next hot pressing operation is continued, thereby effectively increasing the working efficiency.

1‧‧‧machine equipment

11‧‧‧Chassis base

33‧‧‧ ring silicone film

34‧‧‧ Lower heater

12‧‧‧Elongate stage

121‧‧‧ Carrying space

122‧‧‧ top opening

123‧‧‧heating area

124‧‧‧First cooling zone

125‧‧‧Second cooling zone

13‧‧‧ distribution box

14‧‧‧ Fixed seat

141‧‧‧Installation Department

15‧‧‧Track unit

151‧‧‧Linear slides

2‧‧‧Upper heating unit

21‧‧‧Upper drive

211‧‧‧ mandrel

22‧‧‧Installation board

23‧‧‧ Guide rod

231‧‧‧ convex ring

24‧‧‧Upper heater

241‧‧‧Outer box

242‧‧‧ inner box

243‧‧‧Light tube holder

244‧‧‧air inlet

245‧‧‧ gas outlet

25‧‧‧Upper heating element

341‧‧‧Outer box

342‧‧‧Light tube holder

35‧‧‧ Lower heating element

36‧‧‧Slide

4‧‧‧Shields

5‧‧‧Cooling device

51‧‧‧ cabinet

511‧‧‧ Diversion space

512‧‧‧ air outlet

513‧‧‧air inlet

52‧‧‧fan

53‧‧‧Air-conditioning unit

531‧‧‧Compressor

532‧‧‧ Cold row group

6‧‧‧Control device

61‧‧‧temperature unit

611‧‧‧temperature sensing element

62‧‧‧Activity switch unit

621‧‧‧First actuation switch

622‧‧‧First buffer

623‧‧‧Second actuation switch

624‧‧‧Second buffer

63‧‧‧Control instrument stand

631‧‧‧Power switch

26‧‧‧Circular fan

27‧‧‧ switch group

271‧‧‧Switching elements

28‧‧‧Upper film

3‧‧‧Vacuum heating device

300‧‧‧Connecting parts

301‧‧‧lower drive

302‧‧‧ Inhalation pump

31‧‧‧Circular suction frame

311‧‧‧Vacuum suction

32‧‧‧Place stencil

632‧‧‧temperature setting display

633‧‧‧Time setting display

634‧‧‧Switch button

635‧‧‧Emergency stop button

8‧‧‧ Inspiratory space

9‧‧‧Shoe pieces

91‧‧‧Outer layer

911‧‧‧Shoe texture

92‧‧‧ inner layer

921‧‧‧ concave groove

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a perspective view of an embodiment of the present type of continuous vacuum forming machine; FIG. 2 is a view of the embodiment. 3 is a schematic cross-sectional view of the embodiment, illustrating the second vacuum heating device of the embodiment in a first position; and FIG. 4 is a bottom view of the embodiment from the bottom of the elongated stage. a schematic view showing the vacuum heating device in the first position; FIG. 5 is a cross-sectional view in another direction of the embodiment; FIG. 6 is a view similar to FIG. 3, illustrating the vacuum heating device in a second position; Figure 7 is a view similar to Figure 4, illustrating the vacuum heating device in the second position; Figure 8 is a partial enlarged view of Figure 6, illustrating an upper heater of the embodiment in an initial position; Figure 9 Is a perspective view of a vamp; FIG. 10 is a view similar to FIG. 8 illustrating the upper heater in a heated position; FIG. 11 is a partial enlarged view taken from FIG. 10; Figure 12 is a perspective view of a finished thermoformed upper.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the novel continuous vacuum forming machine comprises a machine table device 1 , an upper heating device 2 , a second vacuum heating device 3 , two shutter members 4 , and two cooling devices. 5, and a control device 6.

The machine unit 1 includes a chassis base 11 , an elongated stage 12 disposed at the top of the chassis base 11 , a power distribution box 13 disposed at one side of the chassis base 11 , and an elongated stage A fixing seat 14 extending upward in the center of 12, and a rail unit 15 disposed in the elongate stage 12. The elongated stage 12 has a bearing space 121 formed therein and a top opening 122 communicating with the bearing space 121. The elongated stage 12 is divided into a heating zone 123 at the center, and a first cooling zone 124 and a second cooling zone 125 respectively located at two sides of the heating zone 123. The fixing base 14 is a frame body with a slightly inverted L shape, and the lower end is connected and fixed to the elongated stage 12, and a flat mounting portion 141 is disposed at an upper end thereof. The track unit 15 has a linear slide 151 that is spaced apart from each other and disposed in parallel within the load-bearing space 121.

The upper heating device 2 includes an upper driving member 21 disposed on the fixing base 14, a mounting plate 22 connected to the lower end of the upper driving member 21, and four connected to a guiding rod 23 on the mounting plate 22, an upper heater 24 disposed below the mounting plate 22, a plurality of upper heating elements 25 mounted in the upper heater 24, and two mounted on the upper heater A circulation fan 26 of 24, a switch group 27 disposed at a top surface side of the mounting portion 141 of the fixing base 14, and a top adhesive film 28 disposed at the bottom of the upper heater 24. The switch group 27 has two switching elements 271 arranged at upper and lower intervals and using a general micro switch, mainly for controlling the starting heating operation of the upper heating elements 25.

The upper driving member 21 is mounted on the mounting portion 141 of the fixing base 14. The upper driving member 21 is a pneumatic cylinder member having a mandrel 211 extending upward and downward, and a lower end portion of the spindle 211 is passed through. The fixing base 14 is coupled to the mounting plate 22 . The upper heater 24 is mounted below the mounting plate 22, whereby the upper driving member 21 can drive the upper heater 24 to move up and down, and the guiding rods 23 extend upward through the fixing seat 14, The mounting plate 22 will move up and down. One of the guiding rods 23 is correspondingly connected to the switching elements 271, and a convex ring member 231 located between the switching elements 271 and operatively contacting the switching elements 271 is disposed above the guiding members.

The upper heater 24 includes an outer box 241, an inner box 242 installed in the outer box 241, and a plurality of lamp holders 243 mounted on the inner wall of the inner box 242. The outer box 241 has a plurality of air inlets 244 and a plurality of air outlets 245 spaced apart. The upper heating elements 25 are respectively disposed on the lamp holders 243. In the embodiment, the upper heating elements 25 are made of near-infrared (NIR) lamps, and of course, other suitable heating may be employed. The source is replaced. The circulating fans 26 are respectively mounted on the outer box 241 The air outlets 245 are configured to allow outside cold air to enter the outer box 241 via the air inlets 244 to absorb the heat of the upper heating elements 25, and then discharge through the air outlets 245 to reach the air. The heat dissipation effect is circulated to prevent the temperature of the upper heater 24 from being too high.

Referring to FIG. 3 and FIG. 4, the vacuum heating devices 3 are arranged side by side on the linear slide rails 151, and the vacuum heating devices 3 are connected through a set of connecting members 300, and can be disposed together on the load. The lower driving member 301 in the space 121 is driven to reciprocate between a first position (see FIGS. 1 and 3) and a second position (see FIGS. 6 and 7), and is respectively connected to a base disposed on the chassis. The getter pump 302 in 11. In the first position, the vacuum heating devices 3 are respectively located in the first cooling zone 124 and the heating zone 123. In the second position, the vacuum heating devices 3 are respectively located in the heating zone 123 and the second Cooling zone 125.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , each vacuum heating device 3 includes an annular suction frame 31 , a placement slab 32 disposed on the bottom surface of the annular suction frame 31 and made of metal, and a circular suction device. An annular silicone film 33 on the top surface of the air frame 31, a lower heater 34 disposed on the bottom surface of the placement mesh plate 32 and engaging with the placement mesh plate 32 to close the bottom side opening of the annular suction frame 31, and a plurality of installations A lower heating element 35 in the lower heater 34, and a plurality of slides 36 connected between the lower heater 34 and the linear slides 151. Each of the annular suction frames 31 has a plurality of vacuum suction ports 311 which are opened around the inner circumferential surface and communicate with the suction pump 302. It is worth mentioning that each annular suction frame 31 can also have only A vacuum suction port 311 is formed on the inner peripheral surface and communicates with the getter pump 302. The lower heater 34 includes an outer casing 341 and a lamp holder 342 installed in the outer casing 341. The lower heating elements 35 are spaced apart from the lamp holder 342. In the present embodiment, the lower heating elements 35 are electrically heated, and of course other suitable heating sources may be used instead.

The shielding members 4 are respectively connected between the vacuum heating device 3 and the opposite end walls of the elongated stage 12, and each shielding member 4 can be stretched or folded with the movement of the vacuum heating device 3. Thereby, the shielding member 4 cooperates with the vacuum heating device 3 to shield the top opening 122 of the elongated stage 12, preventing the operator's hand from extending into the bearing space 121 from the top opening 122. The vacuum heating device 3 that is moved is bumped or pinched, and any article can be prevented from falling into the bearing space 121. In this embodiment, each of the shielding members 4 is a roller blind.

Referring to FIG. 1 , FIG. 3 and FIG. 5 , the cooling devices 5 are disposed on the elongated stage 12 and are controllable to the vacuum heating device 3 located in the first cooling zone 124 and the second cooling zone 125 respectively. Blow air. Each of the cooling devices 5 includes a casing 51 extending upward from the elongated stage 12 and having a slightly inverted L shape, a fan 52, and a cold air generating unit 53. Each of the casings 51 has an inner flow guiding space 511, an air outlet 512 that communicates with the air guiding space 511 and is provided for each fan 52, and an air inlet 513 that communicates with the air guiding space 511. In this embodiment, each of the cold air generating units 53 has a compressor 531 disposed inside the chassis base 11 and a neighboring portion 511 adjacent to each of the flow guiding spaces 511. The cold row group 532 of the compressor 531 is connected to each of the intake ports 513. Each of the cooling devices 5 generates a wind pressure by the fans 52, and the outside air enters each of the flow guiding spaces 511 via the respective air inlets 513, and then absorbs heat through the cold row groups 532 to cool down, and finally discharges through the respective air outlets 512. Thereby achieving cold air generation and guiding effects.

Referring to FIG. 2, FIG. 3 and FIG. 8, the control device 6 is electrically connected to the power distribution box 13, and includes a temperature sensing unit 61, an active switching unit 62, and a control instrument base 63. The temperature sensing unit 61 has a plurality of temperature sensing elements 611 disposed in the upper heater 24, the lower heaters 34, and the placement screens 32, respectively. The actuation switch unit 62 has a first actuation switch 621 and a first buffer 622 spaced apart from the end wall of the elongate stage 12 at the first cooling zone 124, and is spaced apart from the elongate load. The stage 12 is located at a second actuation switch 623 and a second buffer 624 of the end wall of the second cooling zone 125. In this embodiment, the first actuation switch 621 and the second actuation switch 623 are respectively a micro switch.

The control instrument stand 63 is disposed on the front side of the chassis base 11 and is provided with five power switches 631, four temperature setting displays 632, a time setting display 633, two switch buttons 634, and one of the switch buttons 634. Emergency stop button 635. The power switches 631 are respectively configured to control the energization state of the getter pump 302, the upper heating elements 25 of the upper heating device 2, and the lower heating elements 35 of the vacuum heating devices 3, the temperature setting displays 632 is used to set the operating temperature of the upper heater 24, the lower heaters 34, the placement boards 32, and the instant The temperature sensing element 611 is configured to sense the temperature of the upper heater 24, the lower heaters 34, and the placement grids 32. The time setting display is used to set the actuation time of the upper heating device 2. Wherein, only when one of the first start switch 621 and the second start switch 623 is activated by the vacuum heating device 3, and the switch buttons 634 are simultaneously pressed, the upper drive is enabled to be activated. The member 21 drives the upper heater 24 to move downward to perform a heating operation, thereby allowing the operator to determine between the upper heating device 2 and each of the vacuum heating devices 3 to achieve a protective effect of safe operation.

The above is an overview of the shape of the components of the novel continuous vacuum forming machine; then, the molding action of the present invention and the expected efficacies are as follows: Referring to Figure 9, the present invention mainly performs surface on a shoe upper 9 The upper member 91 includes an outer skin 91 and an inner layer 92 adhered to the inner surface of the outer skin 91. The outer skin 91 is usually made of leather or plastic. The material layer 91 has a smooth outer surface at this time. The size and shape of the inner layer 92 are mainly based on the upper surface 911 to be formed, and the inner layer 92 and the outer layer The joint groove 91 has been previously formed with the uneven groove 921 which is the same as the upper pattern 911.

Referring to FIG. 3 and FIG. 4, when the molding operation is performed by using the present invention, first, the vacuum heating device 3 is located at the first position, and the vacuum heating device 3 located at the first cooling zone 124 is pressed against the first The buffer 622 and the first activation switch 621 are activated, and then the operator places a upper member 9 in the first cooling zone 124. The air heating device 3 is placed on the stencil 32, and then the air suction pump 302 is opened to evacuate the gas adjacent to each of the annular suction frames 31 through the vacuum suction ports (not shown) of the annular suction frames 31, and the gas is turned on. The lower heating element 35 preheats the inside of each of the lower heaters 34 to 50 ° C to 70 ° C.

Referring to FIG. 6, FIG. 7, and FIG. 8, the operator manually operates the lower driving member 301 to drive the vacuum heating device 3 to the second position, so that the vacuum heating device 3 carrying the upper member 9 is located therein. The heating zone 123 of the elongated stage 12, and the vacuum heating device 3 located in the second cooling zone 125 is pressed against the second buffer 624 and touches the second activation switch 623, and then the operator presses the hands respectively The switch button 634 activates the upper driving member 21 to move the entire upper heater 24 downward to a heating position (see FIGS. 10 and 11), thereby pressing the upper silicone film 28 against the annular silicone film 33 to close the button The top side of the annular suction frame 31 is open. At this time, the upper silicone film 28, the annular silicone film 33, the annular suction frame 31 cooperate with the lower heater 34 to define an air suction space 8, and the air suction is performed. The space 8 is evacuated to the negative pressure state by the air suction pump 302, and the upper silicone film 28 is attracted to the placement mesh plate 32, so that the upper silicone film 28 and the placement mesh plate 32 cooperate to clamp the shoe up and down. Face piece 9.

During the movement of the upper heater 24, the guiding rod 23 corresponding to the switching element 271 is moved downward with the upper heater 24 until the convex ring member 231 comes into contact with the switching element 271 located below. Controlling the upper driving member 21 to stop the movement of the upper heater 24 and starting the upper heating element 25 for heating, the upper heating element The piece 25 can raise the temperature inside the upper heater 24 to about 120 to 160 ° C in a very short time, whereby the upper member 9 can be subjected to a heat activation treatment, wherein the upper heating elements 25 are transmitted through The near-infrared heat radiation method penetrates the upper silicone film 28 to heat the upper member 9 in a non-contact state, thereby avoiding causing burnt damage to the outer surface of the outer skin layer 91, and the lower heating element 35 is The upper tube 9 is heated in advance by contact heat conduction by the lamp holder 342 of the lower heater 34 and the placement screen 32, so that the overall heating effect of the upper 9 can be more rapid and uniform. While waiting for the upper heater 24 and the lower heater 34 to heat the upper member 9, the operator places a upper member 9 on the placement network of the vacuum heating device 3 located in the second cooling zone 125. Preheating is performed on the plate 32 to await subsequent hot press forming.

Referring to FIG. 11, when the upper heater 24 and the lower heater 34 are heated for the upper member 9, the vacuum heating device 3 cooperates with the upper rubber film 28 to have an adsorption fixing effect on the upper member 9. In addition, the molding effect of the upper member 9 is also affected. The outer skin layer 91 and the inner inner layer 92 of the upper member 9 are closely adhered to the upper and lower sides of the upper rubber film 28 and the upper and lower mesh plates 32. The outer surface of the outer skin 91 which becomes soft and plastic at a high temperature state can form a vamp line 911 according to the concave and convex groove 921 shape of the inner inner layer 92 under the pressed state (as shown in FIG. 12). After the setting time of the display 633 is set to about 10 to 16 seconds, the upper surface 911 is completely shaped, then the upper heating element 25 is automatically turned off to stop heating, and the upper surface is driven. The driving member 21 drives the upper heater 24 to move up to an initial stage Starting position (see FIG. 8), and then driving the lower driving member 301 to move the vacuum heating device 3 to the first position, and moving the thermoformed upper member 9 to the first cooling region 124 for cooling The work is performed while the other upper member 9 is moved to the heating zone 123 for the hot press forming operation.

During the above-mentioned movement of the upper heater 24 from the heating position to the initial position, the guiding rod 23 corresponding to the switching element 271 is moved up with the upper heater 24 until the convex ring member 231 comes into contact with the When the switching element 271 is located above, the upper driving member 21 is controlled to stop the movement of the upper heater 24.

However, when the vacuum heating device 3 moves the first position to press against the first buffer 622 and touches the first activation switch 621, the cooling device 5 is automatically activated to correspond to the first cooling zone 124. After the hot press forming is completed, the upper member 9 moving to the first cooling zone 124 blows cold air. After the cooling operation is completed, the operator takes out the finished product of the upper member 9, and then places a upper member 9 thereon. Located on the placement screen 32 of the vacuum heating device 3 of the first cooling zone 124 to await a subsequent hot press forming operation.

Then, the operator repeats the above steps, and presses the switch button 634 with both hands to restart the upper driving member 21 to drive the entire upper heater 24 to move down to the heating position, thereby performing hot pressing of the next upper member 9. After the hot stamping of the upper member 9 is completed, the lower driving member 301 further drives the vacuum heating device 3 to move to the second position, thereby pressing against the second buffer 624 and touching the second activation switch 623. Let the heat The press-formed upper member 9 is moved to the second cooling zone 125 for cooling operation while the other upper member 9 is moved to the heating zone 123 for a hot press forming operation.

According to the above description, the continuous vacuum molding machine of the present invention can not only allow the uppers to be carried on the vacuum heating devices 3 by the vacuum heating devices 3 movable between the first position and the second position. The workpiece 9 is sequentially subjected to a hot pressing operation in the heating zone 123, and a cooling operation is performed in the first cooling zone 124 or the second cooling zone 125, and the operator is waiting for one of the upper members 9 to perform the hot pressing operation. The finished product of the other cooled upper member 9 can be taken out, and another upper member 9 to be hot-pressed is placed on the vacuum heating device 3 located in the first cooling zone 124 or the second cooling zone 125. The next hot pressing operation is continued, thereby effectively increasing work efficiency.

In addition, the novel continuous vacuum forming machine is mainly for improving the lack of a general hot press forming machine. The technical means used in the present invention is to provide vacuum adsorption to the upper member 9 by using the vacuum heating device 3 with the upper silicone film 28. The clamping and fixing are fixed, so that the upper part can be directly heated and shaped without using any mold, even if different upper parts are used, the present invention does not need to be developed differently. Molds are therefore effective in saving mold costs.

Furthermore, the operation of the present invention is relatively simple, and the operator only needs to place the upper member 9 in each of the vacuum heating devices 3, and cooperate with the upper heater 24 to move down to the top of the annular suction frame 31. The upper adhesive film 28 and the placement net 32 are clamped and fixed, and it is not necessary to be placed in the cavity as in the conventional male and female molds, which is quite convenient in operation. Moreover, after the new type of hand presses the switch button 634, the upper heating element 25 automatically performs the heating operation on the upper member 9, and has the effect of safety protection in operation, and the present invention has no switch. The mold action can effectively shorten the molding work time.

Finally, the present invention has a rapid processing efficiency, and the vacuum heating device 3 is used to cooperate with the upper rubber film 28 to adsorb and clamp the upper member 9 to achieve a fixed effect instantaneously, and the upper heating element 25 can be quickly moved in a very short time. Heating to a high temperature, heating the upper member 9 from above, and preheating the underside of the upper member 9 with the lower heating member 35, so that the heating effect on the upper member 9 can be uniform and rapid, and the whole The manufacturing process takes about 10 to 16 seconds from wicking and heating to the faucet. The traditional thermoforming machine is several times faster, so the new model can effectively improve the processing rate and production efficiency.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧machine equipment

11‧‧‧Chassis base

12‧‧‧Elongate stage

122‧‧‧ top opening

123‧‧‧heating area

124‧‧‧First cooling zone

125‧‧‧Second cooling zone

13‧‧‧ distribution box

23‧‧‧ Guide rod

231‧‧‧ convex ring

24‧‧‧Upper heater

27‧‧‧ switch group

271‧‧‧Switching elements

3‧‧‧Vacuum heating device

4‧‧‧Shields

5‧‧‧Cooling device

14‧‧‧ Fixed seat

141‧‧‧Installation Department

2‧‧‧Upper heating unit

21‧‧‧Upper drive

211‧‧‧ mandrel

22‧‧‧Installation board

51‧‧‧ cabinet

6‧‧‧Control device

61‧‧‧temperature unit

611‧‧‧temperature sensing element

63‧‧‧Control instrument stand

Claims (10)

A continuous vacuum forming machine comprising: a machine table comprising an elongate stage and a fixing seat extending upward from a center of the elongate stage, the elongate stage having a heating zone at the center And a first cooling zone and a second cooling zone respectively located on both sides of the heating zone; an upper heating device comprising an upper driving member disposed on the fixing seat, and a movable grounding device below the fixing seat An upper heater connected to the upper driving member, at least one upper heating element installed in the upper heater, and an upper rubber film disposed on the bottom of the upper heater; and two vacuum heating devices arranged side by side The elongate stage can be driven by the driving member to reciprocate between a first position and a second position, and respectively connected to a suction pump. In the first position, the vacuum heating device The vacuum heating device is respectively located in the heating zone and the second cooling zone, and each vacuum heating device comprises at least one opening on the inner circumferential surface. And connect the suction An annular suction frame of the vacuum suction port of the pump, a placement screen disposed in the annular suction frame, a lower heater disposed on the bottom side of the annular suction frame and closing the bottom side opening of the annular suction frame, And at least one lower heating element installed in the lower heater; and two cooling devices disposed on the elongated stage and respectively capable of blowing to the vacuum heating device located in the first cooling zone and the second cooling zone a cold air; wherein the upper heater is driven by the upper driving member toward the vacuum heating device located in the heating zone, thereby pressing the upper rubber film The top surface of the annular suction frame of the vacuum heating device is configured to close the top side opening of the annular suction frame. The continuous vacuum forming machine according to claim 1, wherein the elongate stage has a bearing space formed therein, and a top opening communicating with the carrying space, the vacuum heating device and the lower driving member are both Set in the bearer space. The continuous vacuum forming machine according to claim 2, further comprising two shielding members respectively connected between the vacuum heating device and opposite end walls of the elongated stage, and each shielding member can be heated by the vacuum The device moves to create a stretch or collapse change whereby the shield cooperates with the vacuum heating devices to shield the top opening of the elongate stage. The continuous vacuum forming machine according to claim 2, wherein the machine unit further comprises a track unit having two spaced intervals and disposed in parallel in the carrying space for the vacuum heating devices to slide side by side. The linear slide rails, each vacuum heating device further includes a plurality of slides connected between the lower heaters and the linear slide rails. The continuous vacuum forming machine according to claim 1, further comprising a control device comprising an actuating switch unit disposed on the elongated stage, the actuating switch unit having an interval disposed on the elongated load a first actuating switch and a first buffer located at an end wall of the first cooling zone, and a second actuating switch spaced apart from the end wall of the elongate stage at the second cooling zone a second buffer, when the vacuum heating device moves to the first position, one of the vacuum heating devices is pressed against the first buffer and touches the first actuation switch when the vacuum heating Device moves to In the second position, one of the vacuum heating devices is pressed against the second buffer and the second actuation switch is activated. The continuous vacuum forming machine according to claim 1, wherein each of the cooling devices includes a casing extending upward from the elongated stage and having a slightly inverted L shape, a fan, and a cold air generating unit, each of the casings Having a flow guiding space forming an interior, an air outlet connecting the flow guiding space and provided for each fan, and an air inlet communicating with the flow guiding space, each of the cold air generating units has a compression provided on the machine unit And a cold row group disposed at each of the air guiding spaces adjacent to each of the air inlets and connected to the compressor. The continuous vacuum forming machine of claim 1, wherein the upper heating device further comprises a mounting plate attached to the lower end of the upper driving member, and a plurality of guiding rods connected to the mounting plate, The upper heater is mounted at the lower side of the mounting plate, and the guiding rods are passed through the fixing base to be movable along with the mounting plate. The continuous vacuum forming machine of claim 7, wherein the upper heating device further comprises a switch set disposed on the fixed seat, wherein one of the guide bars is provided with a convex ring member, the switch set Cooperating with the convex ring member for controlling the driving state of the upper driving member for the upper heater and controlling the upper heating element to initiate the heating action. The continuous vacuum forming machine according to claim 1, wherein each of the vacuum heating devices further comprises an annular silicone film disposed on a top surface of each of the annular suction frames, wherein the upper heater is driven by the upper driving member toward the vacuum The heating device is moved in a direction to press the upper silicone film against the annular silicone film to close the top side opening of the annular suction frame. The continuous vacuum forming machine according to claim 1, wherein the upper heating element employs a near-infrared lamp.