Material collecting device of plastic vacuum forming machine

Abstract

The invention discloses a material collecting device of a plastic vacuum forming machine, and relates to the technical field of plastic vacuum forming machines. The plastic vacuum forming machine comprises a plastic vacuum forming machine body, a heating plate carrier installed in the plastic vacuum forming machine body, a functional bottom groove formed in the surface of the plastic vacuum forming machine body and a plastic vacuum forming tray part installed in the functional bottom groove. The extension supporting plate is fixedly arranged on the upper portion of the open groove of the functional bottom groove, a pressing main plate is attached to the upper end of the extension supporting plate, a pressing inclined plate is fixedly arranged at the front end of the pressing main plate, a displacement open groove is formed between the pressing main plate and the pressing inclined plate, and a displacement main block moving in the displacement open groove is erected in the displacement open groove. According to the cutting device, the two sets of downward pressing main plates of semi-annular structures are oppositely distributed on the two sides of the upper portion of the extending supporting plate, and the two sets of downward pressing main plates rotate to be horizontal to form an annular structure, so that the displacement main blocks can annularly move on the inner sides of the downward pressing main plates, and a screw and a cutting head are manually adjusted in cooperation with a transverse screw part; and plastic sheets outside a finished product can be cut, so that automatic material receiving is completed.

Description

Technical Field

[0001] The invention belongs to the technical field of blister forming machines, and in particular relates to a material collecting device for blister forming machines. Background Art

[0002] The blister machine, also known as the thermoplastic forming machine, is a machine that blister-forms heated and plasticized thermoplastic plastic coils such as PVC, PE, PP, PET, HIPS, etc. into various shapes of high-end packaging boxes, frames, and other products. Using the vacuum suction force generated by the vacuum pump, the heated and softened thermoplastic plastic sheets such as PVC and PET are blister-formed into various shapes of vacuum covers, blister trays, blister shells, etc. through molds;

[0003] The main structure of the machine is composed of feeding, pulling, upper and lower electric heating furnaces, lower gate, multi-functional adjustable size, lower die plate, upper die, upper gate, knife gate, slicing, placing and vacuum device.

[0004] For the blister machine, after the blister forming is completed, the formed blister parts need to be taken out from the blister tray to complete the material collection. Before collecting the materials, the plastic sheet outside the finished product needs to be cut from the finished product. In the existing blister machines, either manual cutting or a separate cutting tool is designed, which has certain inconveniences in use. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a material collecting device for a blister forming machine, which can effectively solve the problems of the prior art.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The present invention is a material collecting device for a blister machine, comprising: a blister machine body, a heating plate carrier installed in the blister machine body, a functional bottom groove opened on the surface of the blister machine body, and a blister tray part installed in the functional bottom groove;

[0008] Also includes:

[0009] The extension support plate is fixedly arranged on the upper part of the slot of the functional bottom slot, and the upper end of the extension support plate is attached to the downward pressing main board, the front end of the downward pressing main board is fixedly provided with a downward pressing inclined plate, a displacement slot is arranged between the downward pressing main board and the downward pressing inclined plate, and a displacement main block moving along the displacement slot is arranged in the slot of the displacement slot;

[0010] The top column is fixed on the top of the displacement main block, an adjusting screw hole is arranged on the surface of the top column, and a horizontal screw part is connected to the inner thread of the adjusting screw hole, a connecting column part is connected to the front end of the horizontal screw part, and a cutting head is arranged below the connecting column part;

[0011] The side groove part is arranged on the outer wall of the displacement groove, and the groove of the side groove part is fixed with helical racks distributed in a circular array;

[0012] The helical gear motor is installed in the displacement main block, the output end of the helical gear motor is connected with a helical gear disc, the surface of the displacement main block is provided with an opening allowing the helical gear disc to be exposed outward, and the helical gear disc is meshed and connected with the helical rack.

[0013] Furthermore, the downward pressure main board adopts a semi-annular structure, and two groups of downward pressure main boards are arranged opposite to each other, and the two groups of downward pressure main boards are combined to form a ring.

[0014] Furthermore, a heating slot is provided on the surface of the blister machine body and on one side above the functional bottom slot, the heating plate carrier moves laterally in the heating slot, and a push-pull handle extending upward is fixed on the top of the heating plate carrier.

[0015] Furthermore, a heating plate slot is provided at the bottom of the heating plate carrier, a heating assembly is inserted into the slot of the heating plate slot, a heating plug is fixed on the top of the heating assembly and extends upward through the heating plate carrier, and a positioning strip is fixed on the top of the heating plate carrier and is threadedly connected to the heating plug.

[0016] Furthermore, a manual adjustment screw is connected to the inner thread of the connecting column, the top of the cutting head is connected to the manual adjustment screw through a thread, a top block is fixed at the top of the top column, and a limiting slide rod is fixed on the surface of the connecting column and slidably penetrates the top block.

[0017] Furthermore, a support plate portion is fixedly provided on the outer wall of the downward pressing main board, and a support slot is provided on the upper portion of the extended supporting plate.

[0018] Furthermore, an active coupling is fixedly provided at the center of the supporting disk portion, and one end of the active coupling is rotatably connected to the contact surface of the heating slot.

[0019] Furthermore, a worm wheel is fixedly arranged at the other end of the driving coupling, a bracket plate rotatably connected to the driving coupling is arranged outside the driving coupling, and the bottom of the bracket plate is fixedly connected to the surface of the blister machine body.

[0020] Furthermore, a transverse groove is provided on the upper part of the main body of the vacuum forming machine, and a positive and negative tooth worm gear meshingly connected with the worm wheel is installed in the transverse groove.

[0021] Furthermore, a worm motor for driving the forward and reverse worm to rotate is installed at one end of the forward and reverse worm, and an electric push rod for driving the blister tray longitudinally is installed on the top of the blister tray, and the maximum outer diameter of the blister tray is located below the extended support plate.

[0022] The present invention has the following beneficial effects:

[0023] The present invention distributes two groups of semi-annular structured pressing main boards opposite to each other on both sides above the extended support plate, and the two groups of pressing main boards are rotated to a horizontal position to form an annular structure, so that the displacement main block can perform annular motion on the inner side of the pressing main board, and cooperate with the manual adjustment screw of the transverse screw part and the cutting head to cut the plastic sheet outside the finished product, thereby completing automatic material collection, and the cutting structure is integrated with the pressing main board for pressing the plastic sheet, without the need to set up a separate cutting device, simplifying the cutting structure, and making it more convenient to press and cut the pressed plastic sheet in actual application, and at the same time the cutting depth and cutting position of the pressed plastic sheet can be adjusted, suitable for different cutting and material collection situations.

[0024] The present invention utilizes the drive of a worm motor to make the positive and negative tooth worm drive the meshing worm wheel to rotate, thereby making the two sets of active couplings synchronously perform opposite reverse motions, thereby achieving the synchronous pressing and releasing actions of the pressing main board connected to the two sets of active couplings on the plastic sheet, thereby helping to improve the blister efficiency of the blister machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0026] Figure 1 It is a schematic diagram of the present invention;

[0027] Figure 2 It is a side view of the present invention;

[0028] Figure 3 This is the appearance diagram of the heating plate carrier of the present invention;

[0029] Figure 4 A bottom view of the heating plate carrier of the present invention;

[0030] Figure 5 This is a partial cross-sectional view of the pressing main board of the present invention;

[0031] Figure 6 This is an enlarged view of the worm wheel of the present invention;

[0032] Figure 7 This is an enlarged view of the connecting column portion of the present invention;

[0033] Figure 8 This is an enlarged view of the pressing main board of the present invention;

[0034] Fig. 9 It is a schematic diagram of the structure of the connection between the bevel rack and the bevel gear disc of the present invention.

[0035] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0036] 1. Blister machine body; 2. Heating slot; 3. Heating plate carrier; 4. Heating plate slot; 5. Heating assembly; 6. Push-pull handle; 7. Heating plug plate; 8. Positioning plug strip; 9. Functional bottom slot; 10. Blister tray; 11. Extension tray; 12. Worm motor; 13. Positive and negative worm; 14. Worm wheel; 15. Bracket plate; 16. Active coupling; 17. Support slot; 18. Support plate; 19. Press down main board; 20. Press down inclined plate; 21. Displacement slot; 22. Side slot; 23. Bevel rack; 24. Displacement main block; 25. Located at top column; 26. Bevel gear motor; 27. Bevel gear plate; 28. Adjustment screw hole; 29. ​​Horizontal screw; 30. Top block; 31. Limiting slide bar; 32. Connecting column; 33. Manual adjustment screw; 34. Cutting head. DETAILED DESCRIPTION

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] See also Figure 1-9As shown, the present invention is a material collecting device for a blister machine, comprising: a blister machine body 1, a heating plate carrier 3 installed in the blister machine body 1, a functional bottom groove 9 opened on the surface of the blister machine body 1, and a blister tray part 10 installed in the functional bottom groove 9; an electric push rod for driving the blister tray part 10 to move longitudinally is arranged at the bottom of the blister tray part 10, and the blister tray part 10, as a carrier of the mold, moves upward to the upper opening of the functional bottom groove 9 under the drive of the electric push rod, and an extension support plate 11 is arranged at the upper opening of the functional bottom groove 9, so that the outer ring of the extension support plate 11 is fixedly connected to the blister machine body 1, and the maximum outer diameter of the blister tray part 10 is located below the extension support plate 11, so that the extension support plate 11 limits the blister tray part 10, so that the top of the blister tray part 10 is against the bottom of the extension support plate 11, and the mold can be placed at the center of the upper part of the blister tray part 10.

[0041] A heating slot 2 is provided on the surface of the blister machine body 1 and at one side position above the extended support plate 11, and a heating plate carrier 3 is slidably connected in the slot of the heating slot 2, and the heating plate carrier 3 can move in the slot of the heating slot 2 to realize a lateral pulling and pulling action, and in order to facilitate pulling and pulling, an upwardly extending push-pull handle 6 is fixedly provided on the edge top of the heating plate carrier 3, and the heating plate carrier 3 retained in the heating slot 2 can be pulled out by the push-pull handle 6, and a heating plate slot 4 is provided at the bottom of the heating plate carrier 3, and a heating component 5 is inserted in the slot of the heating plate slot 4, and a heating plug plate 7 extending upward through the heating plate carrier 3 is fixed on the top of the heating component 5, and a positioning plug strip 8 connected to the heating plug strip 7 by threading is fixed on the top of the heating plate carrier 3, and the heating component 5 is inserted from the slot of the heating plate slot 4 from bottom to top into the heating plate The heating plate 7 is fixed on the top of the heating component 5 and passes through the opening on the surface of the heating plate carrier 3 upward. When the heating component 5 finally reaches the bottom of the heating plate slot 4, the top of the heating plate 7 fits with the bent cross-section of the positioning strip 8, so that the screw hole on the top of the heating plate 7 is aligned with the screw hole on the surface of the positioning strip 8, thereby reinforcing the heating plate 7 through the bolt interface, thereby completing the installation of the heating component 5. Before the plastic sheet is blister-formed, it is necessary to heat the plastic sheet and cover the plastic sheet on the mold. Then, the push-pull handle 6 is used to pull the heating plate carrier 3 out of the slot of the heating slot 2 and place the heating component 5 above the opening of the functional bottom slot 9, thereby completing the heating of the plastic sheet. After heating, the heating plate carrier 3 is returned to the deepest position of the slot of the heating slot 2 to carry out subsequent blistering work.

[0042] The upper end of the extended support plate 11 is attached to a downward pressing main board 19, and a downward pressing inclined plate 20 is fixed to the front end of the downward pressing main board 19. The edge of the plastic sheet is generally larger in size. After the plastic sheet is attached to the top of the mold, the outer area of ​​the plastic sheet is attached to the upper end of the extended support plate 11, and then the lower part of the downward pressing main board 19 and the downward pressing inclined plate 20 are used to press down the upper part of the plastic sheet, thereby improving the stability of the plastic sheet during the blister forming process and further improving the blister forming quality.

[0043] A displacement slot 21 is provided between the lower pressing main board 19 and the lower pressing inclined plate 20, and a displacement main block 24 moving along the displacement slot 21 is arranged in the slot of the displacement slot 21, and the displacement main block 24 is located on the upper part of the lower pressing main board 19 and the lower pressing inclined plate 20, and the displacement main block 24 matches the inner shape of the slot of the displacement slot 21, so that the displacement main block 24 performs an arc motion in the slot of the displacement slot 21, and in order to complete the cutting of the plastic sheet and thus realize the material collection, an upwardly extending top column 25 is fixedly provided on the top of the displacement main block 24, and an adjusting screw hole 28 is provided on the surface of the top column 25, and a transverse screw portion 29 is threadedly connected to the adjusting screw hole 28, and a connecting column portion 32 is connected to the front end of the transverse screw portion 29, and a cutting head 34 is provided below the connecting column portion 32, and at the same time, the top of the cutting head 34 is connected to a manual adjusting screw 33 through a thread, and the manual adjusting screw 33 is manually adjusted. The movable adjusting screw 33 is threadedly connected to the connecting column portion 32, so the cutting head 34 can be driven to move downward by manually adjusting the handle on the top of the screw 33, and then the cutting head 34 is used to cut the remaining plastic sheet material as the displacement main block 24 moves. A top block portion 30 is fixedly provided on the top of the top column 25, and a limiting slide bar 31 is fixedly provided on the surface of the connecting column portion 32 to slide through the top block portion 30. By twisting the handle at the end of the cross screw portion 29, the cross screw portion 29 can be driven to push along the internal thread of the adjusting screw hole 28, and the front end of the cross screw portion 29 is movably connected to the connecting column portion 32, and the limiting slide bar 31 is used to slide in the top block portion 30 to limit the movement of the connecting column portion 32, so that the connecting column portion 32 can be adjusted in position horizontally, thereby adjusting the cutting position of the cutting head 34, and realizing the cutting action of the remaining plastic sheet material at different positions. The two groups of pressing main boards 19 are semi-annular in structure. The two groups of pressing main boards 19 are oppositely distributed on both sides above the functional bottom groove 9, and the arc grooves of the two groups of pressing main boards 19 are relatively distributed. When the two groups of pressing main boards 19 are placed horizontally, the two groups of pressing main boards 19 form an annular shape, so that the displacement main block 24 can perform an annular motion in the formed annular groove, thereby realizing the cutting of the residual material. In order to realize the movement of the displacement main block 24 in the groove of the displacement slot 21, a helical gear motor 26 is installed inside the displacement main block 24. At the same time, a beveled gear disc 27 is connected to the output end of the beveled gear motor 26, and an opening is opened on the side of the displacement main block 24 for the beveled gear disc 27 to pass through, so that a part of the beveled gear disc 27 is exposed, and a side groove portion 22 is also opened on the inner wall of the groove of the lower pressure main board 19, and local beveled racks 23 that are meshed and connected with the beveled gear disc 27 are distributed in a circular array in the side groove portion 22. With the start-up of the beveled gear motor 26 and the contact between the beveled gear disc 27 and the beveled rack 23, the entire displacement main block 24 is moved in the groove of the displacement slot 21.

[0044] The outer wall of the pressing main board 19 is fixedly provided with a support plate 18, and the upper part of the extending support plate 11 is provided with a support slot 17. The bottom of the support plate 18 is placed in the slot of the support slot 17, and the support slot 17 provides a limit for the support plate 18 and provides support for the support plate 18. The center of the support plate 18 is fixedly provided with an active coupling 16, one end of the active coupling 16 is rotatably connected to the contact surface of the heating slot 2, and the other end of the active coupling 16 is fixedly provided with a worm wheel 14, and the active coupling 16 is provided with a bracket plate rotatably connected to the active coupling 16. 15, the bottom of the bracket plate 15 is fixedly connected to the surface of the blister machine body 1, and one end of the positive and negative tooth worm 13 is installed with a worm motor 12 for driving the positive and negative tooth worm 13 to rotate. The positive and negative tooth worm 13 is rotated by the drive of the worm motor 12, and then the worm wheel 14 is rotated, and the two groups of worm wheels 14 rotate in opposite directions to achieve the synchronous rotation of the two groups of pressing main boards 19. After the plastic sheet is attached to the upper part of the extension bracket 11, the two groups of pressing main boards 19 are synchronously pressed on the top of the plastic sheet, otherwise the two groups of pressing main boards 19 can be rotated and disengaged.

[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A material collecting device for a blister forming machine, comprising: A blister machine body (1), a heating plate carrier (3) installed in the blister machine body (1), a functional bottom groove (9) provided on the surface of the blister machine body (1), and a blister tray portion (10) installed in the functional bottom groove (9); It is characterized by further comprising: An extension support plate (11) is fixedly arranged on the upper part of the slot of the functional bottom slot (9), and a downward pressing main plate (19) is attached to the upper end of the extension support plate (11), a downward pressing inclined plate (20) is fixedly arranged at the front end of the downward pressing main plate (19), a displacement slot (21) is arranged between the downward pressing main plate (19) and the downward pressing inclined plate (20), and a displacement main block (24) is arranged in the slot of the displacement slot (21) and moves along the slot of the displacement slot (21); Located on the top column (25), fixed on the top of the displacement main block (24), an adjusting screw hole (28) is arranged on the surface of the top column (25), and a transverse screw portion (29) is connected to the inner thread of the adjusting screw hole (28), a connecting column portion (32) is connected to the front end of the transverse screw portion (29), and a cutting head (34) is arranged below the connecting column portion (32); A side groove portion (22) is provided on the outer wall of the displacement groove (21), and a ring-shaped array of helical racks (23) are fixed in the groove of the side groove portion (22); The helical gear motor (26) is installed in the displacement main block (24). The output end of the helical gear motor (26) is connected to a helical gear disc (27). The surface of the displacement main block (24) is provided with an opening allowing the helical gear disc (27) to be exposed outwards. The helical gear disc (27) is meshedly connected with the helical rack (23).

2. A material collecting device for a blister forming machine according to claim 1, characterized in that: The pressing main board (19) adopts a semi-annular structure. Two groups of pressing main boards (19) are arranged in opposite distribution, and the two groups of pressing main boards (19) are combined to form an annular shape.

3. A material collecting device for a blister machine according to claim 1, characterized in that: A heating slot (2) is provided on the surface of the blister machine body (1) and on one side above the functional bottom slot (9). The heating plate carrier (3) moves laterally along the heating slot (2). A push-pull handle (6) extending upward is fixed on the top of the heating plate carrier (3).

4. A material collecting device for a blister forming machine according to claim 1, characterized in that: A heating plate slot (4) is provided at the bottom of the heating plate carrier (3), a heating assembly (5) is inserted into the slot of the heating plate slot (4), a heating plug plate (7) is fixedly provided on the top of the heating assembly (5) and extends upward through the heating plate carrier (3), and a positioning plug strip (8) is fixedly provided on the top of the heating plate carrier (3) and is connected to the heating plug plate (7) by means of a thread.

5. A material collecting device for a blister machine according to claim 1, characterized in that: The connecting column (32) is internally threadedly connected with a manual adjustment screw (33), the top of the cutting head (34) is threadedly connected to the manual adjustment screw (33), a top block (30) is fixedly arranged at the top of the top column (25), and a limiting slide bar (31) is fixedly arranged on the surface of the connecting column (32) and is slidably penetrated in the top block (30).

6. A material collecting device for a blister forming machine according to claim 1, characterized in that: A support plate portion (18) is fixedly provided on the outer wall of the downward pressing main board (19), and a support slot (17) is provided on the upper part of the extended supporting plate (11).

7. A material collecting device for a blister machine according to claim 1, characterized in that: An active coupling shaft (16) is fixedly arranged at the center of the supporting disk portion (18), and one end of the active coupling shaft (16) is rotatably connected to the contact surface of the heating slot (2).

8. A material collecting device for a blister machine according to claim 7, characterized in that: The other end of the active coupling shaft (16) is fixedly provided with a worm wheel disc (14), and the active coupling shaft (16) is provided with a bracket plate (15) rotatably connected to the active coupling shaft (16) outside, and the bottom of the bracket plate (15) is fixedly connected to the surface of the blister machine body (1).

9. A material collecting device for a blister forming machine according to claim 8, characterized in that: A transverse groove is provided on the upper part of the main body (1) of the vacuum forming machine, and a positive and negative tooth worm (13) meshingly connected with a worm wheel (14) is installed in the transverse groove.

10. A material collecting device for a blister forming machine according to claim 9, characterized in that: A worm motor (12) for driving the forward and reverse worm gear (13) to rotate is installed at one end of the forward and reverse worm gear (13), and an electric push rod for driving the blister tray part (10) longitudinally is installed at the top of the blister tray part (10), and the maximum outer diameter of the blister tray part (10) is located below the extension support plate (11).

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