Plastic uptake device for rapid demolding of suitcase shell

Abstract

The utility model discloses a plastic uptake device for quick demolding of a suitcase shell. The plastic uptake device comprises a rack, a cavity, a pressing frame, a convex mold, a heating mechanism and an air cooling mechanism, the cavity is connected with the rack and is provided with an upward opening; the male die is arranged in the cavity and connected with the lifting mechanism, a plurality of air suction holes are formed in the male die, an air pump communicated with the air suction holes is arranged on the cavity, an air inlet is formed in the position, close to the upper end of the cavity, of the inner wall of the cavity, and an air blower communicated with the air inlet is arranged on the cavity. The pressing frame is located above the cavity and connected with the rack through a first downward pressing mechanism. The heating mechanism is connected with the rack through the second pressing mechanism and located above the pressing frame. The air cooling mechanism is connected with the rack and located above the pressing frame, the air cooling mechanism comprises an air blower and a plurality of air blowing openings facing the upper portion of the cavity, the air blowing openings are communicated with the air blower, and after forming, the formed box shell is rapidly cooled through the air cooling mechanism, so that rapid shaping is achieved, the demolding waiting time is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of suitcase production, in particular to a plastic suction device for rapid demoulding of a suitcase shell. Background Art

[0002] The plastic shell of a suitcase is usually made by vacuum forming. The vacuum forming device used for shell forming in the prior art needs to heat and soften the plastic plate first, then blow it up and stick it on a convex mold to form it. After forming, it needs to be cooled and fixed before it can be demoulded. The conventional technology is natural cooling, so it takes a while to demould after forming, which prolongs the manufacturing time of a single shell and reduces production efficiency. Utility Model Content

[0003] In order to solve the above-mentioned deficiencies in the prior art, the utility model provides a blister device for quickly demoulding a suitcase shell.

[0004] In order to achieve the above technical effects, the utility model adopts the following scheme:

[0005] A blister device for rapid demoulding of a suitcase shell, comprising a frame, a cavity, a pressing frame, a punch, a heating mechanism and an air cooling mechanism;

[0006] The cavity is connected to the frame, the opening of the cavity faces upward and the inner wall of the cavity is sealed;

[0007] The punch is arranged in the cavity and moves in the vertical direction through the lifting mechanism. The punch has a plurality of air suction holes. The outer wall of the cavity is provided with an air pump connected with the air suction holes. The inner wall of the cavity is provided with an air inlet near the upper end of the cavity. The outer wall of the cavity is provided with a blower connected with the air inlet.

[0008] The pressing frame is located above the cavity and matches the upper end surface of the cavity, and the pressing frame is connected to the frame through a first pressing mechanism;

[0009] The heating mechanism is connected to the frame through a second pressing mechanism and is located above the pressing frame;

[0010] The air cooling mechanism is connected to the frame and is located above the pressure frame. The air cooling mechanism includes a blower and a plurality of blow ports facing the top of the cavity. The plurality of blow ports are connected to the blower.

[0011] According to a preferred technical solution, the heating mechanism comprises a support plate and an electric heating tube, wherein the support plate can cover the upper end of the pressing frame, the electric heating tube is laid on the lower end of the support plate, and the support plate is connected to the second pressing mechanism.

[0012] According to a preferred technical solution, a plurality of protrusions are provided at the lower end of the support plate around the electric heating tube, the air outlet is provided on the protrusions, a connecting port is provided at the upper end of the support plate, the connecting port is connected to the plurality of air outlets through a connecting channel provided in the support plate, the hair dryer is provided on the frame, and the hair dryer is connected to the connecting port through a first hose.

[0013] According to a preferred technical solution, the second pressing mechanism includes a first cylinder vertically arranged on a frame, a telescopic end of the first cylinder is fixedly connected downward to an upper end of a support plate, a guide rod is vertically arranged on the upper end of the support plate, and a guide sleeve adapted to the guide rod is provided on the frame.

[0014] According to a preferred technical solution, the first pressing mechanism includes at least two second cylinders, the two second cylinders are evenly distributed along a circle of the pressing frame, the second cylinders are vertically mounted on the frame, and the telescopic ends of the second cylinders are fixedly connected to the pressing frame downward.

[0015] According to a preferred technical solution, a limiting step is provided on the upper end surface of the cavity, and the limiting step is arranged on the inner side of the upper end surface of the cavity.

[0016] A preferred technical solution is that the lifting mechanism includes a lifting cylinder and a carrying plate, the carrying plate is arranged in the cavity and the outer peripheral shape of the carrying plate is adapted to the inner wall shape of the cavity, the punch is installed on the carrying plate, the lifting cylinder is installed at the lower end of the cavity, and the telescopic end of the lifting cylinder extends upward into the cavity and is fixedly connected to the lower end center of the carrying plate.

[0017] A preferred technical solution is that the punch is detachably mounted on a supporting plate, a mounting plate is integrally formed at the bottom of the punch, the width and length of the mounting plate are greater than the width and length of the punch, the punch is arranged at the center of the mounting plate, and the mounting plate and the supporting plate are detachably connected by bolts.

[0018] Compared with the prior art, the beneficial effects are:

[0019] The utility model has a simple structure and is easy to use. The plastic sheet is pressed against the upper end surface of the cavity by a pressing frame. After being heated and softened by a heating mechanism, a blower blows air into the cavity to swell the softened plastic sheet. Then, a lifting mechanism lifts the punch to press against the plastic sheet. Then, an air pump draws air on the surface of the punch to form a negative pressure, so that the plastic sheet is attached to the surface of the punch to form a box shell. After forming, the formed box shell is quickly cooled by an air cooling mechanism, so that the shaping is fast, the waiting time for demoulding is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a cross-sectional schematic diagram of the utility model.

[0021] Figure numerals: 1. cavity; 2. bearing plate; 3. punch; 4. mounting plate; 5. suction hole; 6. air duct; 7. suction pipe; 8. vacuum pump; 9. air inlet; 10. blower; 11. limiting step; 12. lifting cylinder; 13. sealing ring; 14. pressure frame; 15. second cylinder; 16. support plate; 17. electric heating tube; 18. bump; 19. blowing port; 20. connecting channel; 21. hair dryer; 22. guide rod; 23. guide sleeve; 24. first cylinder. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] A blister device for rapid demoulding of a suitcase shell, comprising a frame, a cavity 1, a pressing frame 14, a punch 3, a heating mechanism and an air cooling mechanism;

[0024] The cavity 1 is connected to the frame, the opening of the cavity 1 faces upward and the inner wall of the cavity 1 is sealed;

[0025] The punch 3 is arranged in the cavity 1 and moves in the vertical direction through the lifting mechanism. The surface of the punch 3 is provided with a plurality of suction holes 5. The outer wall of the cavity 1 is provided with an air pump 8 connected with the suction holes 5. The bottom of the punch 3 is provided with an air vent, and the air vent is connected with the plurality of suction holes 5 through an air passage 6 located in the punch 3. The cavity 1 is provided with an air suction pipe 7. The cavity 1 is provided with a second hose, one end of the second hose is connected with the suction pipe 7, and the other end of the second hose is connected with the air vent. The air pump 8 is installed on the outer wall of the cavity 1 and connected with the suction pipe 7. The air near the surface of the punch 3 is extracted to the outside of the cavity 1 through the air pump 8.

[0026] An air inlet 9 is provided on the inner wall of the cavity 1 near the upper end of the cavity 1, and a blower 10 connected to the air inlet 9 is provided on the outer wall of the cavity 1. The air outside the cavity 1 is sent into the cavity 1 through the air inlet 9 by the blower 10 to make the softened plastic sheet swell;

[0027] The pressing frame 14 is located above the cavity 1 and matches the upper end surface of the cavity 1. The pressing frame 14 extends along the upper end surface of the cavity 1 to form a closed shape. The pressing frame 14 is a ring, rectangle or polygon closed into a circle. The pressing frame 14 is connected to the frame through a first pressing mechanism, and the pressing frame 14 is driven to move up and down by the first pressing mechanism.

[0028] The heating mechanism is connected to the frame through the second pressing mechanism and is located above the pressing frame 14. The heating mechanism moves up and down through the second pressing mechanism to heat the plastic sheet to soften it.

[0029] The air cooling mechanism is connected to the frame and is located above the pressing frame 14. The air cooling mechanism includes a hair dryer 21 and a plurality of air outlets 19 facing the top of the cavity 1. The plurality of air outlets 19 are connected to the hair dryer 21. Cold air is blown through the hair dryer 21 and the air outlets 19 to quickly cool down the formed box shell.

[0030] The plastic sheet is placed on the upper end of the cavity 1 and covers the opening of the cavity 1, and then the pressing frame 14 is driven to descend and press on the upper end of the plastic sheet so as to fix the plastic sheet on the upper end of the cavity 1, and then the second pressing mechanism drives the heating mechanism to descend and press on the pressing frame 14, so as to heat and soften the plastic sheet. After softening, the heating mechanism rises and resets under the drive of the second pressing mechanism, and the blower 10 sends air outside the cavity 1 into the cavity 1, so as to inflate the softened plastic sheet. After stopping the air supply, the lifting mechanism lifts the punch 3 so that the punch 3 is against the softened plastic sheet, and then the vacuum pump 8 exhausts air to generate negative pressure near the surface of the punch 3, so as to press the softened plastic sheet tightly against the punch 3 to form it into the shape of a box shell, and the blowing port 19 faces the position where the box shell is formed. After the box shell is formed, the cold air blown out of the blowing port 19 quickly cools the formed box shell, so as to quickly shape it, reduce the waiting time for demoulding, and speed up the work efficiency.

[0031] A preferred technical solution, the heating mechanism includes a support plate 16 and an electric heating tube 17, the support plate 16 can cover the upper end of the pressing frame 14, the electric heating tube 17 is laid on the lower end of the support plate 16, the support plate 16 is connected to a second pressing mechanism, the second pressing mechanism drives the support plate 16 to move up and down, and the plastic sheet is heated by the electric heating tube 17.

[0032] According to a preferred technical solution, a plurality of protrusions 18 are provided at the lower end of the support plate 16 around the electric heating tube 17, and the blowing port 19 is provided on the protrusion 18. A connecting port is provided at the upper end of the support plate 16, and the connecting port is connected to the plurality of blowing ports 19 through a connecting channel 20 provided in the support plate 16. The hair dryer 21 is provided on the frame, and the hair dryer 21 is connected to the connecting port through a first hose. The hair dryer 21 inhales external air and blows it out from the plurality of blowing ports 19 after passing through the first hose, the connecting port and the connecting channel 20.

[0033] According to a preferred technical solution, the second pressing mechanism includes a first cylinder 24 vertically arranged on the frame, the telescopic end of the first cylinder 24 is fixedly connected downward to the upper end of the support plate 16, a guide rod 22 is vertically provided at the upper end of the support plate 16, and a guide sleeve 23 adapted to the guide rod 22 is provided on the frame.

[0034] According to a preferred technical solution, the first pressing mechanism includes at least two second cylinders 15, which are evenly distributed along a circle of the pressing frame 14. The second cylinders 15 are vertically mounted on the frame, and the telescopic ends of the second cylinders 15 are fixedly connected to the pressing frame 14 downward.

[0035] According to a preferred technical solution, a limiting step 11 is provided on the upper end surface of the cavity 1, and the limiting step 11 is arranged on the inner side of the upper end surface of the cavity 1. The plastic sheet is placed on the limiting step 11 first, and the limiting step 11 is used to limit the plastic sheet, thereby ensuring the position of the plastic sheet.

[0036] A preferred technical solution, the lifting mechanism includes a lifting cylinder 12 and a carrying plate 2, the carrying plate 2 is arranged in the cavity 1 and the outer peripheral shape of the carrying plate 2 is adapted to the inner wall shape of the cavity 1, the punch 3 is installed on the carrying plate 2, the lifting cylinder 12 is installed at the lower end of the cavity 1, the telescopic end of the lifting cylinder 12 extends upward into the cavity 1 and is fixedly connected to the lower end center of the carrying plate 2, a through hole is penetrated through the bottom of the cavity 1, the telescopic end of the lifting cylinder 12 passes through the through hole into the cavity 1, and a sealing ring 13 is provided on the inner wall of the through hole.

[0037] A preferred technical solution is that the punch 3 can be detachably mounted on the supporting plate 2, and a mounting plate 4 is integrally formed at the bottom of the punch 3. The width and length of the mounting plate 4 are greater than the width and length of the punch 3. The punch 3 is arranged at the center of the mounting plate 4, and the mounting plate 4 is detachably connected to the supporting plate 2 by bolts.

[0038] In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present utility model.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. A blister device for rapid demoulding of a suitcase shell, characterized in that: It comprises a frame, a cavity (1), a pressing frame (14), a punch (3), a heating mechanism and an air cooling mechanism; The cavity (1) is connected to the frame, the opening of the cavity (1) faces upward and the inner wall of the cavity (1) is sealed; The convex mold (3) is arranged in the cavity (1) and moves in the vertical direction through a lifting mechanism. The convex mold (3) has a plurality of air suction holes (5). An air pump (8) connected to the air suction holes (5) is arranged on the outer wall of the cavity (1). An air inlet (9) is arranged on the inner wall of the cavity (1) near the upper end of the cavity (1). A blower (10) connected to the air inlet (9) is arranged on the outer wall of the cavity (1). The pressing frame (14) is located above the cavity (1) and matches the upper end surface of the cavity (1), and the pressing frame (14) is connected to the frame via a first pressing mechanism; The heating mechanism is connected to the frame via a second pressing mechanism and is located above the pressing frame (14); The air cooling mechanism is connected to the frame and is located above the pressure frame (14). The air cooling mechanism comprises a blower (21) and a plurality of blow ports (19) facing the top of the cavity (1). The plurality of blow ports (19) are connected to the blower (21).

2. A blister device for rapid demoulding of a suitcase shell as claimed in claim 1, characterized in that: The heating mechanism comprises a support plate (16) and an electric heating tube (17); the support plate (16) can cover the upper end of the pressing frame (14); the electric heating tube (17) is laid on the lower end of the support plate (16); and the support plate (16) is connected to a second pressing mechanism.

3. A blister device for rapid demoulding of a suitcase shell as claimed in claim 2, characterized in that: The lower end of the support plate (16) is provided with a plurality of protrusions (18) around the electric heating tube (17); the blowing port (19) is provided on the protrusion (18); the upper end of the support plate (16) is provided with a connecting port, the connecting port is connected to the plurality of blowing ports (19) through a connecting channel (20) provided in the support plate (16); the hair dryer (21) is provided on the frame, and the hair dryer (21) is connected to the connecting port through a first hose.

4. A blister device for rapid demoulding of a suitcase shell as claimed in claim 2, characterized in that: The second pressing mechanism comprises a first cylinder (24) vertically arranged on the frame, the telescopic end of the first cylinder (24) is fixedly connected downward to the upper end of the support plate (16), the upper end of the support plate (16) is vertically provided with a guide rod (22), and the frame is provided with a guide sleeve (23) adapted to the guide rod (22).

5. A blister device for rapid demoulding of a suitcase shell as claimed in claim 1, characterized in that: The first pressing mechanism comprises at least two second cylinders (15), the two second cylinders (15) are evenly distributed along a circle of the pressing frame (14), the second cylinders (15) are vertically mounted on the frame, and the telescopic ends of the second cylinders (15) are fixedly connected to the pressing frame (14) downward.

6. A blister device for rapid demoulding of a suitcase shell as claimed in claim 1, characterized in that: A limiting step (11) is provided on the upper end surface of the cavity (1) and is located on the inner side of the upper end surface of the cavity (1).

7. A blister device for rapid demoulding of a suitcase shell as claimed in claim 1, characterized in that: The lifting mechanism comprises a lifting cylinder (12) and a carrying plate (2); the carrying plate (2) is arranged in the cavity (1) and the outer peripheral shape of the carrying plate (2) is matched with the inner wall shape of the cavity (1); the punch (3) is installed on the carrying plate (2); the lifting cylinder (12) is installed at the lower end of the cavity (1); the telescopic end of the lifting cylinder (12) extends upward into the cavity (1) and is fixedly connected to the center of the lower end of the carrying plate (2).

8. A blister device for rapid demoulding of a suitcase shell as claimed in claim 7, characterized in that: The male mold (3) is detachably mounted on the supporting plate (2); a mounting plate (4) is integrally formed at the bottom of the male mold (3); the width and length of the mounting plate (4) are greater than the width and length of the male mold (3); the male mold (3) is arranged at the center of the mounting plate (4); and the mounting plate (4) and the supporting plate (2) are detachably connected via bolts.

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