TWM521915U - Vacuum hot forming machine - Google Patents

Description

Vacuum heating machine

The present invention relates to a shoe upper molding machine, and more particularly to a vacuum heating molding machine capable of saving mold cost and rapidly completing surface molding work by vacuum suction and heating.

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 into the upper for forming work, the action of the switch mold is required, and the shoe mold transfers heat by its own metal material characteristics, and the heat transfer rate is not fast, so the shoe mold must be preheated in advance. , and then warm up to reach the forming temperature of the upper part, A job often takes a long time (depending on the molding temperature, usually takes about 30 to 40 seconds), and after each molding operation, the entire shoe mold needs to be cooled before the mold can be opened. This often results in an increase in standby time, resulting in a lower efficiency of the general thermoforming machine.

Therefore, the object of the present invention is to provide a vacuum heating molding machine which can save the cost of the mold and can quickly complete the molding of the upper.

Therefore, the novel vacuum heating forming machine comprises a machine unit, a vacuum adsorption unit, a lower heating unit, an upper heating unit, and a film unit.

The machine unit includes a machine table and a fixed seat extending upward from the machine table.

The vacuum adsorption unit is mounted on the top surface of the machine, and includes an annular suction frame having at least one vacuum suction opening formed on the inner circumferential surface, a placement mesh plate disposed on the inner circumferential surface of the annular suction frame, and An air suction pump disposed inside the machine and connected to the annular suction frame and communicating with the vacuum suction port.

The lower heating unit includes a lower heater disposed on a bottom side of the annular suction frame and closing an opening of the bottom side of the annular suction frame, and at least one lower heating element installed in the lower heater.

The upper heating unit includes a driving member disposed on the fixing seat, an upper heater movably disposed under the fixing seat and connected to the driving member, and at least one mounted on the upper heater Heating element.

The film unit includes an upper portion disposed on a bottom of the upper heater Silicone film.

Wherein, the upper heater can be driven to move toward the vacuum adsorption unit by the driving member, thereby pressing the upper rubber film against the top surface of the annular suction frame to close the top side opening of the annular suction frame.

The utility model has the advantages that the vacuum adsorption unit cooperates with the upper silicone film to provide vacuum adsorption clamping and fixing of the upper member, so that the novel can directly directly perform the upper member without using any mold. The thermoplastic type faucet does not need to develop different molds even for different upper parts, so it can effectively save the mold cost.

1‧‧‧ machine unit

11‧‧‧ machine

12‧‧‧ Fixed seat

121‧‧‧Installation Department

13‧‧‧Extension workbench

131‧‧‧ folding frame

132‧‧‧Extension platen

14‧‧‧ switch group

141‧‧‧Switching elements

15‧‧‧ distribution box

16‧‧‧Control dashboard

161‧‧‧Power switch

162‧‧‧ Temperature Controller

163‧‧‧Time controller

164‧‧‧ switch button

165‧‧‧Emergency stop button

2‧‧‧vacuum adsorption unit

20‧‧‧Inhalation space

21‧‧‧ ring suction frame

211‧‧‧Vacuum suction

22‧‧‧Place the stencil

23‧‧‧ Inhalation pump

3‧‧‧ Lower heating unit

31‧‧‧ Lower heater

311‧‧‧Outer box

312‧‧‧Light tube holder

32‧‧‧ Lower heating element

4‧‧‧Upper heating unit

41‧‧‧ drive parts

411‧‧‧ mandrel

42‧‧‧Installation board

43‧‧‧ Guide rod

431‧‧‧ convex ring

44‧‧‧Up heater

441‧‧‧Outer box

442‧‧‧ inner box

443‧‧‧Light tube holder

45‧‧‧Upper heating element

5‧‧‧film unit

51‧‧‧Upper film

52‧‧‧ ring silicone film

9‧‧‧Shoe pieces

91‧‧‧Outer layer

911‧‧‧Shoe texture

92‧‧‧ inner layer

921‧‧‧ concave groove

Other features and advantages of the present invention will be apparent from the detailed description of the preferred embodiments of the accompanying drawings in which: FIG. 1 is a perspective view of an embodiment of the vacuum heat forming machine of the present invention, illustrating that the present invention includes a machine Figure 2 is an exploded perspective view of the embodiment; Figure 3 is a front elevational view showing the vacuum adsorption unit, the lower heating unit and the same of the embodiment The arrangement relationship of the upper heating unit on the machine unit, and the upper heater of the upper heating unit is located at an initial position; FIG. 4 is a partial enlarged cross-sectional view taken from FIG. 3, illustrating the vacuum adsorption unit; FIG. Is a perspective view showing the appearance of a upper member used in the embodiment, which is viewed from the inner side before being subjected to hot pressing processing; FIG. 6 is a front view showing the vacuum suction unit of the embodiment, The arrangement relationship between the lower heating unit and the upper heating unit on the machine unit, and the upper heater of the upper heating unit is located at a heating position; FIG. 7 is a partially enlarged cross-sectional view taken from FIG. 6; FIG. It is an action diagram of the embodiment, which illustrates that the vacuum adsorption unit cooperates with the upper silicone film to adsorb and clamp the upper member, and the upper member is heated by the upper heating unit and the lower heating unit, and is formed on the outer surface. A shoe upper pattern; and FIG. 9 is a perspective view showing the upper surface of the upper portion of the embodiment after the hot pressing process.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the vacuum heating molding machine of the present invention comprises a machine unit 1, a vacuum adsorption unit 2, a lower heating unit 3, an upper heating unit 4, and a film unit. 5. Next, the constituent members and spatial combination patterns of the above units will be described in detail later.

The machine unit 1 includes a machine table 11, a fixed seat 12 extending upward from the machine table 11, an extended table 13 disposed at the right side of the machine table 11, and a switch group 14 disposed on the fixed base 12. And a distribution box 15 disposed at the left side of the machine table 11. A chamber 110 is provided below the machine table 11. The fixing base 12 is a slightly inverted L-shaped frame body, and the lower end is connected and fixed to the machine table 11. The upper end is provided with a flat mounting portion 121 and the end surface is provided with a control instrument panel 16. The extension table 13 has two folding frames 131 fixedly disposed at the side of the machine table 11, and an extending platen 132 spanning the folding frames 131. The folding frames 131 can be expanded or folded. Shape, when the folding frame 131 is unfolded, the extension plate 132 can be made The board surface is flush with the top surface of the machine table 11, so that the operator can place tools or articles on the extension table board 132. It is worth mentioning that the power distribution box 15 can also be placed at the rear side of the machine table 11 according to requirements, so that a set of extension work stations 13 are further disposed on the left side of the machine table 11. In this embodiment, the switch group 14 is disposed at a top surface side of the mounting portion 121 of the fixing base 12, and has two switching elements 141 which are vertically spaced apart and adopt a general micro switch, mainly for controlling the upper heating. The heating operation of the unit 4 is started. The control panel 16 is electrically connected to the power distribution box 15 and is provided with three power switches 161, five temperature controllers 162, a time controller 163, two switch buttons 164, and an emergency stop button between the switch buttons 164. 165. The power switches 161 are respectively configured to control the energization states of the vacuum adsorption unit 2, the upper heating unit 4, and the lower heating unit 3, and the temperature controllers 162 are respectively configured to set the upper heating unit 4 and the lower heating unit. The heating temperature of 3 is used to set the operating time of the upper heating unit 4. In the case that the switch buttons 164 are simultaneously pressed, the upper heating unit 4 is enabled to move downward to perform a heating operation, thereby allowing the operator to determine the distance from the upper heating unit 4 and the lower heating unit 3 by both hands. Or the vacuum adsorption unit 2 to achieve a protective effect of safe operation.

Referring to FIG. 1 , FIG. 3 and FIG. 4 , the vacuum adsorption unit 2 is mounted on the top surface of the machine table 11 and includes an annular suction frame 21 , a circumferential surface of the annular suction frame 21 and a metal material. The stencil 22 is placed, and a getter pump 23 (see FIG. 2) disposed in the chamber 110 of the machine table 11. The annular suction frame 21 has a plurality of vacuum suction ports 211 spaced apart around the inner circumferential surface. The getter pump 23 is connected to the annular suction frame 21 and communicates with the vacuum suction ports 211. It should be noted that the annular suction frame 21 may have only a vacuum suction port 211 which is opened on the inner circumferential surface and communicates with the air suction pump 23.

The lower heating unit 3 includes a lower heater 31 disposed on the bottom side of the annular suction frame 21 and closing the bottom side of the annular suction frame 21, and a plurality of lower heating elements spaced apart from the lower heater 31. 32. The lower heater 31 includes an outer box 311 and a lamp holder 312 mounted in the outer box 311. The lower heating elements 32 are spaced apart from the lamp holder 312. In the present embodiment, the lower heating elements 32 are electrically heated, and of course other suitable heating sources may be used instead.

The upper heating unit 4 includes a driving member 41 disposed on the fixing base 12, a mounting plate 42 connected to the lower end of the driving member 41, and four guiding rods 43 connected to the mounting plate 42. An upper heater 44 disposed below the mounting plate 42 and a plurality of upper heating elements 45 disposed within the upper heater 44. The driving member 41 is mounted on the mounting portion 121 of the fixing base 12. The driving member 41 is a pneumatic cylinder member having a mandrel 411 extending upward and downwardly, and a lower end portion of the spindle 411 is passed through the fixing portion. The seat 12 is coupled to the mounting plate 42. The upper heater 44 is mounted below the mounting plate 42 , whereby the driving member 41 can drive the upper heater 44 to move up and down, and the guiding rods 43 extend upward through the fixing base 12 , and As the mounting plate 42 moves up and down, one of the guiding rods 43 correspondingly contacts the switching elements 141, and a plurality of switching elements 141 are disposed between the switching elements 141 and are operable to contact the switching elements 141. A collar member 431. The upper heater 44 includes an outer box 441, an inner box 442 installed in the outer box 441, and a plurality of intervals are disposed in the inner box 442. The lamp holder 443 of the inner wall. The upper heating elements 45 are respectively disposed on the lamp holders 443. In the embodiment, the upper heating elements 45 are made of near-infrared (NIR) lamps, and of course, other suitable heating may be employed. The source is replaced.

The film unit 5 includes an upper silicone film 51 disposed on the bottom of the upper heater 44, and an annular silicone film 52 disposed on the top surface of the annular suction frame 21.

It is worth mentioning that the number of the lower heating element 32 of the lower heating unit 3 and the upper heating element 45 of the upper heating unit 4 is not limited to the above, and may be changed as needed only one.

The above is an overview of the shape of the components of the vacuum heating molding machine of the present invention; and then, the molding action of the present invention and the expected effect can be stated as follows:

Referring to FIG. 5, the present invention mainly performs surface molding on a vamp member 9, which includes an outer skin layer 91 and an adhesive attached to the inner surface of the outer skin layer 91 before the molding work has been performed. The inner layer 92 is generally made of a material such as leather or plastic. At this time, the outer layer 91 has a smooth outer surface, and the size and shape of the inner layer 92 are mainly formed according to the shape. The upper surface is provided with a groove, and the joint between the inner layer 92 and the outer layer 91 is preliminarily formed with the uneven groove 921 which is the same as the upper pattern.

Referring to Figures 3 and 4, when the molding operation is performed using the present invention, first, the operator first places a upper member 9 on the placement screen 22, and then opens the suction pump 23 (see Fig. 2). Passing through the ring suction box 21 The air suction port 211 extracts the gas adjacent to the annular suction frame 21, and opens the lower heating elements 32 to preheat the inside of the lower heater 31 to 50 ° C ~ 70 ° C, and then the operator presses the switches separately The button 164 activates the driving member 41 to move the entire upper heater 44 downward to a heating position (see FIGS. 6 and 7), thereby pressing the upper silicone film 51 against the annular silicone film 52 to close the annular suction. The top side of the air frame 21 is open. At this time, the upper silicone film 51, the annular silicone film 52, and the annular suction frame 21 cooperate with the lower heater 31 to define an air suction space 20, and the air suction space 20 The suction pump 23 is evacuated to a negative pressure state, and the upper silicone film 51 is attracted toward the placement screen 22, so that the upper silicone film 51 cooperates with the placement screen 22 to clamp the upper member up and down. 9.

During the movement of the upper heater 44, the guiding rod 43 corresponding to the switching element 141 is moved downward with the upper heater 44 until the convex ring member 431 comes into contact with the switching element 141 located below. Controlling the driving member 41 to stop the movement of the upper heater 44 and activating the upper heating element 45 for heating, the upper heating element 45 can raise the temperature inside the upper heater 44 to 120-160 in a very short time. The upper surface of the upper member is subjected to a heat activation treatment, wherein the upper heating element 45 penetrates the upper silicone film 51 by near-infrared heat radiation and is non-contact with the upper member 9. The state is heated to avoid causing burnt damage to the outer surface of the outer skin layer 92, and the lower heating elements 32 are transmitted through the lamp holder 312 of the lower heater 31 and the placement grid 22 in advance to contact heat conduction. Heating the upper member 9 allows the overall heating effect of the upper member 9 to be faster and more uniform.

Referring to FIG. 8 , when the upper heater 44 and the lower heater 31 heat the upper member 9 , the vacuum suction unit 2 cooperates with the upper silicone film 51 to have an adsorption fixing effect on the upper member 9 . The shaping 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 by the upper and lower rubber film 51 and the upper and lower sides of the placing net frame 22, so that The outer surface of the outer skin layer 91 which becomes soft and has plasticity in a high temperature state can form a shoe upper surface 911 according to the concave and convex groove 921 shape of the inner inner layer 92 (as shown in FIG. 9). After the molding time set by the controller 163 is set, the upper heating element 45 is automatically turned off to stop heating, and the driving member 41 is driven to drive the upper heater 44 to move up to The upper member 9 is taken out at an initial position, and the entire molding operation time is completed in about 10 to 16 seconds.

During the above-mentioned movement of the upper heater 44 from the heating position to the initial position, the guiding rod 43 corresponding to the switching element 141 is moved up with the upper heater 44 until the convex ring member 431 comes into contact with the When the switching element 141 is located above, the driving member 41 is controlled to stop the movement of the upper heater 44.

It is worth mentioning that when the upper silicone film 51 is pressed against the annular silicone film 52, the upper silicone film 51 and the annular silicone film 52 can cooperate to achieve the top side of the annular suction frame 21. The sealing effect of the opening. However, the film unit 5 can also eliminate the annular silicone film 52. When the upper heater 44 can be moved toward the vacuum adsorption unit 2 by the driving member 41, the upper silicone film 51 can also be transmitted only. Pressed against the annular suction The top surface of the frame 21 achieves the effect of closing the top side opening of the annular suction frame 21.

In summary, the vacuum heating molding machine of the present invention is mainly for improving the lack of a general hot press molding machine. The technical means used in the present invention is to provide the upper member 9 by using the vacuum adsorption unit 2 in cooperation with the upper silicone film 51. The vacuum adsorption is clamped and fixed, so that the present invention can directly heat the upper member 9 without using any mold, even if it is for different upper members 9, the present invention does not need to be developed. Different molds are therefore effective in saving mold costs. In addition, the operation of the present invention is relatively simple, and the operator can place the upper member 9 in the vacuum adsorption unit 2 and cooperate with the upper heater to press down on the top of the annular suction frame 21 to be The upper silicone film 51 is clamped and fixed to the placement screen 22, 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, and the present invention requires both hands to simultaneously press the switch buttons 164. The upper heating element 45 automatically performs the heating operation on the upper member, and has the effect of safety protection in operation, and the present invention has no switching mode action, thereby effectively shortening the molding operation time. Finally, the present invention has a rapid processing efficiency, and the vacuum adsorption unit 2 cooperates with the upper silicone film 51 to adsorb and clamp the upper member 9 to achieve a fixed effect instantaneously, and the upper heating element 45 can be quickly formed in a very short time. Heating to a high temperature to heat the upper member 9 from above, and preheating the lower heating element 32 from under the upper member 9, 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 the time of wicking and heating to the faucet, and the conventional thermoforming machine is several times faster. Therefore, the novel can effectively increase the processing rate and production efficiency.

However, the above is only a preferred embodiment of the present invention, and when it is not possible to limit the scope of the present invention, any simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification are It is still within the scope of this new patent.

1‧‧‧ machine unit

11‧‧‧ machine

12‧‧‧ Fixed seat

121‧‧‧Installation Department

13‧‧‧Extension workbench

132‧‧‧Extension platen

14‧‧‧ switch group

141‧‧‧Switching elements

15‧‧‧ distribution box

16‧‧‧Control dashboard

161‧‧‧Power switch

162‧‧‧ Temperature Controller

163‧‧‧Time controller

164‧‧‧ switch button

165‧‧‧Emergency stop button

2‧‧‧vacuum adsorption unit

21‧‧‧ ring suction frame

211‧‧‧Vacuum suction

3‧‧‧ Lower heating unit

4‧‧‧Upper heating unit

41‧‧‧ drive parts

43‧‧‧ Guide rod

431‧‧‧ convex ring

44‧‧‧Up heater

Claims (8)

A vacuum heating molding machine, comprising: a machine unit, comprising a machine table, and a fixing base extending upward from the machine table; a vacuum adsorption unit mounted on the top surface of the machine table, and comprising one at least one opening An annular suction frame of the vacuum suction port on the inner circumferential surface, a placement screen disposed on the inner circumferential surface of the annular suction frame, and a space disposed inside the machine and connected to the annular suction frame and communicating the vacuum a suction pump of the suction port; the lower heating unit comprises 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 installed in the lower heater An upper heating unit includes a driving member disposed on the fixing base, an upper heater movably disposed below the fixing seat and connected to the driving member, and at least one mounted on the upper heater An upper heating element; and a film unit comprising a topping film disposed on the bottom of the upper heater; wherein the upper heater is driven by the driving member to move toward the vacuum adsorption unit, thereby Upper jaw film pressure To the annular top surface of the suction box to enclose the suction box top annular side opening. The vacuum heating molding machine of claim 1, wherein the film unit further comprises an annular silicone film disposed on a top surface of the annular suction frame, wherein the upper heater is driven by the driving member toward the vacuum adsorption unit The direction moves closer to press the upper silicone film against the annular silicone film to close the top side opening of the annular suction frame. The vacuum heating molding machine of claim 1, wherein the machine unit further comprises at least one extension table disposed at at least one of left and right sides of the machine, the extension table having two fixed settings a folding frame at a side of the machine, and an extension deck spanning the folding frames. The vacuum heating molding machine of claim 1, wherein the upper heating unit further comprises a mounting plate attached to the lower end of the driving member, and a plurality of guiding rods connected to the mounting plate, the mounting plate The upper heater is provided at the lower portion, and the guiding rods are passed through the fixing base to be movable along with the mounting plate. The vacuum heating molding machine of claim 4, wherein the machine unit 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 and The male ring member cooperates to control the driving state of the driving member for the upper heater, and controls the upper heating element to initiate the heating action. The vacuum heating molding machine of claim 5, wherein the switch group has two switching elements disposed at an upper and lower spacing and capable of contacting the convex ring member, the convex ring member being located between the switching elements, when the driving member drives When the upper heater is moved away from the vacuum adsorption unit such that the convex ring member is in contact with the switching elements, the control member stops controlling the movement of the upper heater, and when the driving member drives the upper heater Moving closer to the vacuum adsorption unit, when the convex ring member is in contact with the switching element, the control member is stopped. The upper heater is moved to move and the upper heating element is activated for heating. The vacuum heating molding machine of claim 1, wherein the upper heating element is a near-infrared lamp. The vacuum heat molding machine of claim 1, wherein the lower heating element employs an electric heating tube.