Single-machine double-layer plastic uptake processing equipment

Abstract

The utility model discloses a single-machine double-layer plastic uptake processing device which comprises a press machine provided with an upper die and a lower die; the extruder is provided with a first extrusion opening and a second extrusion opening and can extrude a lower plastic sheet and an upper plastic sheet at high temperature; the first cutting device and the second cutting device can cut off the upper plastic sheet; the upper trolley is provided with an upper walking mechanism and an upper bearing mechanism, the upper walking mechanism can travel back and forth along the two upper guide rails, and the upper bearing mechanism can bear the upper plastic sheet and can lift the upper plastic sheet into an upper die of the press machine; the lower trolley is provided with a lower walking mechanism and a lower bearing mechanism, the lower walking mechanism can travel back and forth along the two lower guide rails, and the lower bearing mechanism can bear a lower plastic sheet and can convey the lower plastic sheet to a lower die of the press machine; the press can be used for closing the upper mold and the lower mold, and the upper plastic sheet and the lower plastic sheet are fused to form a double-layer blister product; the utility model has the beneficial effects of simple structure, low cost, low energy consumption and suitability for processing products with different sizes.

Description

Technical Field

[0001] The utility model relates to a single-machine double-layer plastic blister processing equipment. Background Art

[0002] Double-layer blister products have the characteristics of ultra-long service life, low temperature resistance, tear resistance, impact resistance, high strength, ability to form complex shapes, easy processing, low cost and good buffer effect. They are widely used in double-layer blister pallets, lids of panel boxes, bottoms of panel boxes, panels of panel boxes, recycling packaging or automobile air ducts and other fields. Double-layer blister products have higher cost performance than wooden pallets. In the prior art, double-layer blister pallet processing equipment is usually provided with a left extruder and a right extruder, which are cut into left plastic sheets and right plastic sheets respectively, and the left plastic sheets and the right plastic sheets are respectively conveyed to the upper mold and the lower mold of the press by the left trolley and the right trolley, and finally the molds are closed and fused into a double-layer blister pallet. Due to the double-machine extrusion mode of the left extruder and the right extruder, the equipment is huge, the floor space is large, the equipment cost is high, the power consumption is high, and the utilization rate of the extruder is low, which greatly increases the investment cost of the equipment, and inevitably increases the processing cost of the double-layer blister pallet. The double-layer blister products produced by such equipment are not competitive. Utility Model Content

[0003] In view of the above shortcomings, the utility model provides a single-machine double-layer plastic blister processing equipment.

[0004] The technical solution of the utility model is:

[0005] A single-machine double-layer blister processing equipment, comprising:

[0006] A press machine equipped with an upper die and a lower die for forming a double-layer blister product;

[0007] An extruder is provided with a first extrusion port and a second extrusion port, wherein the first extrusion port can continuously extrude a lower plastic sheet at a high temperature, and the second extrusion port can continuously extrude an upper plastic sheet at a high temperature;

[0008] A first cutting device is fixed at the outlet of the first extrusion port, and when the lower plastic sheet extruded from the first extrusion port reaches a predetermined length, a cutter in the first cutting device can cut the lower plastic sheet;

[0009] A second cutting device is fixed at the outlet of the second extrusion port, and when the upper plastic sheet extruded from the second extrusion port reaches a predetermined length, a cutter in the second cutting device can cut the upper plastic sheet;

[0010] The upper trolley is provided with an upper traveling mechanism and an upper receiving mechanism. The upper traveling mechanism can travel back and forth along two upper guide rails. The upper receiving mechanism can receive the upper plastic sheet and lift the upper plastic sheet to the upper die of the press to be vacuum-absorbed by the upper die.

[0011] The lower carriage is provided with a lower traveling mechanism and a lower receiving mechanism. The lower traveling mechanism can travel back and forth along two lower guide rails. The two lower guide rails are located below the upper guide rails. The first extrusion port extends downward for a distance. The lower receiving mechanism can receive the lower plastic sheet and can deliver the lower plastic sheet to the lower die of the press to be vacuum-absorbed by the lower die.

[0012] The upper mold of the press can move downward to close the mold with the lower mold under the action of the oil hydraulic cylinder, and the upper plastic sheet in the upper mold and the lower plastic sheet in the lower mold are fused into one, and the pressure is maintained by gas injection to form a partial hollow, and the pressure is released and demolded after cooling to form a double-layer blister product;

[0013] The controller controls each electrical appliance to complete the processing action according to a predetermined program.

[0014] Preferably, the lower walking mechanism comprises:

[0015] Lower the frame;

[0016] A plurality of sliders are provided, and the plurality of sliders are fixed to the lower frame and can slide back and forth along the two lower guide rails;

[0017] A rotating shaft, which is fixed to the lower frame via a plurality of shaft sleeves;

[0018] A reducer, the housing of which is fixed to the lower frame;

[0019] The travel motor has a housing fixed to the housing of the reducer, a rotating shaft of the travel motor is fixed to the input shaft of the reducer, and an output shaft of the reducer is fixed to the rotating shaft;

[0020] Two gears are provided, the two gears are fixed at two ends of the rotating shaft, the two gears are meshed with two spur racks, the two spur racks are respectively fixed with two lower guide rails, and the two lower guide rails are fixed with the frame.

[0021] Preferably, the lower receiving mechanism comprises:

[0022] There are multiple conveying rollers, which are fixed to the lower frame via roller brackets, and a transmission gear is fixed to the main shaft of each conveying roller;

[0023] A transmission motor, whose housing is fixed to the lower frame, a main gear is fixed to the transmission motor shaft, and the main gear and the transmission gear are connected by a synchronous belt, and the transmission motor can control the transmission roller to rotate synchronously;

[0024] There are multiple tension wheels, and the tension wheels and the roller bracket can be rotatably fixed and can press the synchronous belt and the transmission gear.

[0025] Preferably, the lower receiving mechanism comprises:

[0026] The driving roller and the passive roller have two ends which are rotatably fixed to the lower frame;

[0027] A transmission belt is arranged around a driving roller and a passive roller;

[0028] A transmission motor, a housing of which is fixed to the lower frame, and a main shaft of the transmission motor is fixed to the driving roller;

[0029] The transmission belt can receive the lower plastic sheet and unload the lower plastic sheet onto the lower mold.

[0030] Preferably, the upper traveling mechanism has the same structure as the lower traveling mechanism, and accordingly, the lower frame involved in the lower traveling mechanism is replaced by an upper frame, and the lower guide rail involved in the lower traveling mechanism is replaced by an upper guide rail.

[0031] Preferably, the upper receiving mechanism comprises:

[0032] Undertake the bottom plate;

[0033] The upper bracket is composed of four long rods forming a rectangular structure and fixed on the receiving bottom plate, and each long rod is fixed with a plurality of gear pieces;

[0034] A plurality of support blocks are provided, which are fixed on the receiving bottom plate and located in the upper bracket;

[0035] A plurality of receiving cylinders are provided, the cylinder bodies of the receiving cylinders are fixed to the upper frame, and the piston rods of the receiving cylinders are fixed to the receiving bottom plate;

[0036] When the upper trolley moves to the bottom of the second extrusion outlet, the upper bracket and the support block can receive the upper plastic sheet and spread it flat; when the upper trolley moves to the bottom of the upper die of the press, the piston rod of the receiving cylinder can extend to lift the upper plastic sheet and press it against the upper die, and the suction nozzle in the upper die starts to suck air to generate negative pressure, which can suck the upper plastic sheet against the upper die, and then the piston rod of the receiving cylinder retracts and resets.

[0037] Preferably, the lower receiving mechanism comprises:

[0038] A plurality of conveying rollers are provided, which are fixed to the lower frame via roller brackets;

[0039] A lower bracket is arranged on the periphery of the conveying roller, the lower bracket is fixed to the lower frame, a lower tooth plate is fixed on the lower bracket, and the lower plastic sheet outputted from the first extrusion port can be laid flat on the lower tooth plate and the conveying roller;

[0040] The upper trolley is provided with a middle bracket, and the middle bracket is provided with a clamping device, and the clamping device is provided with multiple first clamping cylinders and clamping rods. The middle bracket is also fixed to the connecting rods of the multiple second clamping cylinders, and the cylinder bodies of the multiple second clamping cylinders are fixed to the upper frame of the upper trolley. When the connecting rods of the multiple second clamping cylinders move downward, the connecting rods of the first clamping cylinders contract, and the clamping rod can clamp the lower plastic sheet on the lower tooth plate, and can place the lower plastic sheet in the lower mold.

[0041] Preferably, the extruder is arranged in line with the upper guide rail and the lower guide rail, or the extruder is arranged at 90 degrees to the upper guide rail and the lower guide rail.

[0042] Preferably, the first extrusion port and the second extrusion port extrude the upper plastic sheet and the lower plastic sheet synchronously, or the first extrusion port and the second extrusion port extrude the upper plastic sheet and the lower plastic sheet asynchronously, and solenoid valves are respectively connected in series before the first extrusion port and the second extrusion port.

[0043] Compared with the prior art, the utility model has the following advantages:

[0044] Omitting an extruder greatly reduces costs, reduces volume, reduces energy consumption, and facilitates adjustment of the sizes of different blister products.

[0045] The utility model has the beneficial effects of simple structure, low cost, low energy consumption and suitability for processing products of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0047] Figure 2 for Figure 1 Side view of.

[0048] Figure 3 It is a structural schematic diagram of the lower trolley of the utility model.

[0049] Figure 4 for Figure 3 Top view of the .

[0050] Figure 5 It is a structural schematic diagram of the lower receiving mechanism of the utility model.

[0051] Figure 6 It is a structural schematic diagram of the upper guide rail and the lower guide rail of the utility model.

[0052] Figure 7 It is a structural schematic diagram of the upper receiving mechanism of the utility model.

[0053] Figure 8 This is a schematic diagram of the structure of the utility model in which the extruder and the upper guide rail are arranged at 90 degrees. DETAILED DESCRIPTION

[0054] The utility model is now further described in conjunction with the accompanying drawings:

[0055] like Figure 1 , Figure 2 and Figure 6 As shown, a single-machine double-layer blister processing equipment comprises:

[0056] A press 5, which is equipped with an upper mold 51 and a lower mold 52 for forming a double-layer blister product;

[0057] An extruder 1 is provided with a first extrusion port 12 and a second extrusion port 13, wherein the first extrusion port 12 can continuously extrude a lower plastic sheet at a high temperature, and the second extrusion port 13 can continuously extrude an upper plastic sheet at a high temperature;

[0058] A first cutting device 11 is fixed at the outlet of the first extrusion port 12. When the lower plastic sheet extruded from the first extrusion port 12 reaches a predetermined length, a cutter in the first cutting device 11 can cut the lower plastic sheet;

[0059] A second cutting device 14 is fixed at the outlet of the second extrusion port 13. When the upper plastic sheet extruded from the second extrusion port 13 reaches a predetermined length, a cutter in the second cutting device 14 can cut the upper plastic sheet;

[0060] The upper trolley 3 is provided with an upper traveling mechanism and an upper receiving mechanism. The upper traveling mechanism can travel back and forth along the two upper guide rails 41. The upper receiving mechanism can receive the upper plastic sheet and lift the upper plastic sheet to the upper mold 51 of the press 5 to be vacuum-absorbed by the upper mold 51.

[0061] The lower trolley 2 is provided with a lower traveling mechanism and a lower receiving mechanism. The lower traveling mechanism can travel back and forth along two lower guide rails 42. The two lower guide rails 42 are located below the upper guide rails 41. The lower guide rails 42 are longer than the upper guide rails 41. The first extrusion port 12 extends downward for a distance and can be aligned with the lower receiving mechanism. The lower receiving mechanism can receive the lower plastic sheet and can deliver the lower plastic sheet to the lower mold 52 of the press machine 5 to be vacuum-absorbed by the lower mold 52.

[0062] The upper mold 51 of the press machine 5 can move downward to close the mold with the lower mold 52 under the action of the hydraulic cylinder, and the upper plastic sheet in the upper mold 51 and the lower plastic sheet in the lower mold 52 are fused into one, and the pressure is maintained by gas injection to form a partial hollow, and the pressure is released and demolded after cooling to form a double-layer blister product;

[0063] The controller controls each electrical appliance to complete the processing action according to a predetermined program.

[0064] The utility model uses one extruder 1 to extrude the upper plastic sheet and the lower plastic sheet respectively, so one extruder 1 can be omitted, thus saving costs and reducing the volume. The output pipe diameter of the cutting device can be selected according to the material amount of the upper plastic sheet and the lower plastic sheet to control the extrusion amount.

[0065] It should be noted that the press 5 and the cutting device are both prior art.

[0066] The upper trolley 3 and the lower trolley 2 of the utility model are close to each other, which is convenient for the same operator to manage. When necessary, the same operator can complete some auxiliary work, saving labor.

[0067] As a preference, Figure 3 and Figure 4 As shown, the lower walking mechanism includes:

[0068] Lower frame 22;

[0069] There are multiple sliders 21, which are fixed to the lower frame 22 and can slide back and forth along the two lower guide rails 42;

[0070] A rotating shaft 26, which is fixed to the lower frame 22 via a plurality of bushings;

[0071] A reducer 28, the housing of which is fixed to the lower frame 22;

[0072] The travel motor 27 has a housing fixed to the housing of the reducer 28, a rotating shaft of the travel motor 27 is fixed to the input shaft of the reducer 28, and an output shaft of the reducer 28 is fixed to the rotating shaft 26;

[0073] Gear 25 is provided with two gears 25, which are fixed at both ends of the rotating shaft 26, and the two gears 25 are meshed with two spur racks 421, which are respectively fixed to two lower guide rails 42, and the two lower guide rails 42 are fixed to the frame, and the two spur racks 421 can be optionally fixed to the bottom surface of the lower guide rails 42, such as Figure 6 shown.

[0074] The meshing of the gear 25 and the spur rack 421 has the advantage of high precision. A position sensor can be provided to position the trolley, and a servo motor can be selected for precise positioning of the travel motor 27 .

[0075] As an example, Figure 3 and Figure 4 , the undertaking institutions include:

[0076] There are multiple conveying rollers 24, which are fixed to the lower frame 22 via roller brackets, and a transmission gear is fixed to the main shaft of each conveying roller 24;

[0077] The transmission motor, whose housing is fixed to the lower frame 22, has a main gear fixed to the transmission motor shaft, and the main gear and the transmission gear are connected by a synchronous belt, so that the transmission motor can control the transmission roller 24 to rotate synchronously;

[0078] There are multiple tension wheels, and the tension wheels and the roller bracket can be rotatably fixed and can press the synchronous belt and the transmission gear.

[0079] When it is necessary to take over the lower plastic sheet, the conveying roller 24 can remain stationary while the lower trolley 2 moves to spread the lower plastic sheet flat on the conveying roller 24; or the lower trolley 2 can remain stationary while the conveying roller 24 moves to spread the lower plastic sheet flat on the conveying roller 24. When the lower plastic sheet is delivered to the press 5, the lower trolley 2 moves and the conveying roller 24 rotates to unload the lower plastic sheet onto the lower mold 52.

[0080] Further, based on the above embodiment, the lower receiving mechanism further includes:

[0081] The periphery of the conveying roller 24 is provided with a lower bracket 231, and the lower bracket 231 is fixed to the lower frame 22. The lower plastic sheet outputted from the first extrusion port 12 can be laid flat on the lower bracket 231 and the conveying roller 24. When the lower trolley 2 is moved and the conveying roller 24 is rotated, the lower plastic sheet can be unloaded on the lower mold 52. Figure 3 As shown, as long as Figure 3 The middle and lower gear pieces 232 can be omitted, and the transmission motor is Figure 3 It is also omitted.

[0082] It should be noted that when the area of ​​the lower plastic sheet increases, adding the lower bracket 231 structure can support the large-area plastic sheet without changing the structure of the conveying roller 24, which can reduce costs.

[0083] Furthermore, the lower bracket 281 is rectangular, and two corresponding support rods in the lower bracket 231 are provided with extension sections 2311. The rectangular size of the lower bracket 231 can be changed by adjusting the length of the extension sections 2311. The advantage of this structure is that plastic sheets of different sizes within a certain range can use the same lower bracket 231, which reduces costs and facilitates management.

[0084] As another example, Figure 5 As shown, the following undertaking institutions include:

[0085] The active roller 291 and the passive roller are rotatably fixed to the lower frame 22 at both ends;

[0086] A transmission belt 292 is arranged around the active roller 291 and the passive roller;

[0087] The transmission motor, whose housing is fixed to the lower frame 22, and the main shaft of the transmission motor is fixed to the driving roller 291;

[0088] The transmission belt 292 can receive the lower plastic sheet and unload the lower plastic sheet onto the lower mold 52 .

[0089] It would be simpler to adopt a transmission belt structure, and a lower bracket may also be arranged on the periphery of the transmission belt.

[0090] Preferably, the upper traveling mechanism has the same structure as the lower traveling mechanism, and accordingly, the lower frame 22 involved in the lower traveling mechanism is replaced by an upper frame, and the lower guide rail 42 involved in the lower traveling mechanism is replaced by an upper guide rail 41.

[0091] The structures of the traveling mechanisms of the upper trolley 3 and the lower trolley 2 can be completely identical, which reduces costs and facilitates maintenance.

[0092] As a preference, Figure 7 As shown, the upper undertaking institutions include:

[0093] A receiving bottom plate 34;

[0094] The upper bracket 31 is composed of four long rods forming a rectangular structure and fixed on the receiving bottom plate 34, and each long rod is fixed with a plurality of tooth plates 32;

[0095] A plurality of support blocks 33 are provided, which are fixed on the receiving bottom plate 34 and located in the upper bracket 31;

[0096] The receiving cylinder 35 is provided with a plurality of them, the cylinder body of the receiving cylinder 35 is fixed to the upper frame, and the piston rod of the receiving cylinder 35 is fixed to the receiving bottom plate 34;

[0097] When the upper trolley 3 moves to below the second extrusion outlet 13, the upper bracket 31 and the support block 33 can receive the upper plastic sheet and spread it flat; when the upper trolley 3 moves to below the upper mold 51 of the press machine 5, the piston rod of the receiving cylinder 35 can extend to lift the upper plastic sheet up and close it to the upper mold 51, and the suction nozzle in the upper mold 51 starts to suck air to generate negative pressure to suck the upper plastic sheet close to the upper mold 51, and then the piston rod of the receiving cylinder 35 retracts and resets.

[0098] As a third embodiment of the lower receiving mechanism, the lower receiving mechanism includes: Figure 3 As shown, a plurality of conveying rollers 24 are provided, which are fixed to the lower frame 22 via roller brackets. It should be noted that the conveying rollers 24 involved in this embodiment do not need to be driven by a motor;

[0099] A lower bracket 231 is disposed on the periphery of the conveying roller 24, the lower bracket 231 is fixed to the lower frame 22, a lower tooth piece 232 is fixed on the lower bracket 231, and the lower plastic sheet output from the first extrusion port 12 can be laid flat on the lower tooth piece 232 and the conveying roller 24;

[0100] Since the conveying roller 24 is not driven by a motor, it cannot unload the lower plastic sheet by itself. Accordingly, the upper trolley 3 is provided with a middle bracket, and the middle bracket is provided with a clamping device, which is provided with a plurality of first clamping cylinders and a clamping rod. The middle bracket is also fixed with the connecting rods of the plurality of second clamping cylinders, and the cylinder bodies of the plurality of second clamping cylinders are fixed with the upper frame of the upper trolley 3. When the connecting rods of the plurality of second clamping cylinders move downward, the connecting rods of the first clamping cylinders contract, and the clamping rod can clamp the lower plastic sheet on the lower tooth plate 232, and can unload the lower plastic sheet into the lower mold 52. It should be noted that the middle bracket is provided with a clamping device and related structures such as a second clamping cylinder to unload the lower plastic sheet, which is a prior art and is omitted in the figure.

[0101] As an embodiment of the whole machine, the extruder 1 is arranged in a straight line with the upper guide rail 41 and the lower guide rail 42 , or the extruder 1 is arranged at 90 degrees with the upper guide rail 41 and the lower guide rail 42 .

[0102] Preferably, when the extruder power is relatively large, the first extrusion port 12 and the second extrusion port 13 extrude the upper plastic sheet and the lower plastic sheet synchronously; when the extruder power is relatively small, the first extrusion port 12 and the second extrusion port 13 extrude the upper plastic sheet and the lower plastic sheet at different times; solenoid valves are respectively connected in series before the first extrusion port 12 and the second extrusion port 13, and the switches of the solenoid valves are controlled by a controller.

Claims

1. A single-machine double-layer blister processing equipment, characterized in that: include: A press (5) equipped with an upper mold (51) and a lower mold (52) for forming a double-layer blister product; An extruder (1) is provided with a first extrusion port (12) and a second extrusion port (13), wherein the first extrusion port (12) can continuously extrude a lower plastic sheet at a high temperature, and the second extrusion port (13) can continuously extrude an upper plastic sheet at a high temperature; A first cutting device (11) is fixed at the outlet of the first extrusion port (12), and when the lower plastic sheet extruded from the first extrusion port (12) reaches a predetermined length, a cutter in the first cutting device (11) can cut the lower plastic sheet; A second cutting device (14) is fixed at the outlet of the second extrusion port (13). When the upper plastic sheet extruded from the second extrusion port (13) reaches a predetermined length, a cutter in the second cutting device (14) can cut the upper plastic sheet; An upper trolley (3) is provided with an upper traveling mechanism and an upper receiving mechanism, wherein the upper traveling mechanism can travel back and forth along two upper guide rails (41), and the upper receiving mechanism can receive an upper plastic sheet and lift the upper plastic sheet to be sent to an upper die (51) of the press (5) to be vacuum-absorbed by the upper die (51); The lower trolley (2) is provided with a lower traveling mechanism and a lower receiving mechanism. The lower traveling mechanism can travel back and forth along two lower guide rails (42). The two lower guide rails (42) are located below the upper guide rail (41). The first extrusion port (12) extends downward for a distance. The lower receiving mechanism can receive the lower plastic sheet and can deliver the lower plastic sheet to the lower mold (52) of the press machine (5) to be vacuum-adsorbed by the lower mold (52). The upper mold (51) of the press machine (5) can move downward to close the mold with the lower mold (52) under the action of the oil hydraulic cylinder, and the upper plastic sheet in the upper mold (51) and the lower plastic sheet in the lower mold (52) are fused into one, and the pressure is maintained by gas injection to form a local hollow, and the pressure is released and demoulding is performed after cooling to form a double-layer blister product; The controller controls each electrical appliance to complete the processing action according to a predetermined program.

2. A single-machine double-layer blister processing equipment as claimed in claim 1, characterized in that: The lower walking mechanism comprises: Lower frame (22); A plurality of sliders (21) are provided, and the plurality of sliders (21) are fixed to the lower frame (22) and can slide back and forth along the two lower guide rails (42); A rotating shaft (26) fixed to the lower frame (22) via a plurality of shaft sleeves; A reducer (28), the housing of which is fixed to the lower frame (22); A travel motor (27), whose housing is fixed to the housing of a reducer (28), a rotating shaft of the travel motor (27) is fixed to the input shaft of the reducer (28), and an output shaft of the reducer (28) is fixed to the rotating shaft (26); Two gears (25) are provided. The two gears (25) are fixed at two ends of the rotating shaft (26). The two gears (25) are meshed with two spur racks (421). The two spur racks (421) are respectively fixed with two lower guide rails (42), and the two lower guide rails (42) are fixed with the frame.

3. A single-machine double-layer blister processing equipment as claimed in claim 2, characterized in that: The following undertaking institutions include: A plurality of conveying rollers (24) are provided, which are fixed to the lower frame (22) via roller brackets, and a transmission gear is fixed to the main shaft of each conveying roller (24); A transmission motor, whose housing is fixed to the lower frame (22); a main gear is fixed to the transmission motor shaft; the main gear and the transmission gear are connected by a synchronous belt; the transmission motor can control the transmission roller (24) to rotate synchronously; There are multiple tension wheels, and the tension wheels and the roller bracket can be rotatably fixed and can press the synchronous belt and the transmission gear.

4. A single-machine double-layer blister processing equipment as claimed in claim 2, characterized in that: The following undertaking institutions include: The active roller (291) and the passive roller have two ends which are rotatably fixed to the lower frame (22); A transmission belt (292) is arranged around the active roller (291) and the passive roller; A transmission motor, a housing of which is fixed to the lower frame (22), and a main shaft of the transmission motor is fixed to the driving roller (291); The transmission belt (292) can receive the lower plastic sheet and unload the lower plastic sheet onto the lower mold (52).

5. A single-machine double-layer blister processing equipment as claimed in claim 2, characterized in that: The upper traveling mechanism has the same structure as the lower traveling mechanism. Accordingly, the lower frame (22) involved in the lower traveling mechanism is replaced by an upper frame, and the lower guide rail (42) involved in the lower traveling mechanism is replaced by an upper guide rail (41).

6. A single-machine double-layer blister processing equipment as claimed in claim 5, characterized in that: The upper undertaking organization includes: A receiving bottom plate (34); An upper bracket (31) is composed of four long rods forming a rectangular structure and is fixed on a receiving bottom plate (34), and each long rod is fixed with a plurality of tooth plates (32); A plurality of support blocks (33) are provided, which are fixed on the receiving bottom plate (34) and located in the upper bracket (31); A plurality of receiving cylinders (35) are provided, wherein the cylinder bodies of the receiving cylinders (35) are fixed to the upper frame, and the piston rods of the receiving cylinders (35) are fixed to the receiving bottom plate (34); When the upper trolley (3) moves to below the second extrusion outlet (13), the upper bracket (31) and the support block (33) can receive the upper plastic sheet and lay it flat; when the upper trolley (3) moves to below the upper mold (51) of the press machine (5), the piston rod of the receiving cylinder (35) can extend to lift the upper plastic sheet and press it against the upper mold (51), and the suction nozzle in the upper mold (51) starts to suck air to generate negative pressure, which can suck the upper plastic sheet against the upper mold (51), and then the piston rod of the receiving cylinder (35) retracts and resets.

7. A single-machine double-layer blister processing equipment as claimed in claim 6, characterized in that: The following undertaking mechanism also includes: A plurality of conveying rollers (24) are provided and fixed to the lower frame (22) via roller brackets; A lower bracket (231) is arranged on the periphery of the conveying roller (24), the lower bracket (231) is fixed to the lower frame (22), a lower tooth plate (232) is fixed on the lower bracket (231), and the lower plastic sheet output from the first extrusion port (12) can be laid flat on the lower tooth plate (232) and the conveying roller (24); The upper trolley (3) is provided with a middle bracket, and the middle bracket is provided with a clamping device, and the clamping device is provided with multiple first clamping cylinders and clamping rods. The middle bracket is also fixed to the connecting rods of the multiple second clamping cylinders, and the cylinder bodies of the multiple second clamping cylinders are fixed to the upper frame of the upper trolley (3). When the connecting rods of the multiple second clamping cylinders move downward, the connecting rods of the first clamping cylinders contract, and the clamping rod can clamp the lower plastic sheet on the lower tooth plate (232), and can place the lower plastic sheet in the lower mold (52).

8. A single-machine double-layer blister processing equipment as described in any one of claims 1 to 7, characterized in that: The extruder (1) is arranged in a straight line with the upper guide rail (41) and the lower guide rail (42), or the extruder (1) is arranged at 90 degrees with the upper guide rail (41) and the lower guide rail (42).

9. A single-machine double-layer blister processing equipment as described in any one of claims 1 to 7, characterized in that: The first extrusion port (12) and the second extrusion port (13) extrude the upper plastic sheet and the lower plastic sheet synchronously, or the first extrusion port (12) and the second extrusion port (13) extrude the upper plastic sheet and the lower plastic sheet asynchronously, and electromagnetic valves are respectively connected in series before the first extrusion port (12) and the second extrusion port (13).

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