Pressing machine with telescopic pressing plate

Abstract

The invention provides a pressing machine with a telescopic pressing plate, and belongs to the field of packaging mechanical equipment.The pressing machine comprises a rack, the rack is provided with a conveying assembly and a pressing assembly located above the conveying assembly, and the two sides, in the conveying direction, of the pressing assembly are each provided with a side wing assembly in an operable and sliding mode; the two groups of side wing assemblies are mutually symmetrical, the sliding direction is perpendicular to the conveying direction, the pressing plate body is manufactured according to the commonly-used minimum size, the purpose that the pressing plate has the telescopic size changing function is achieved in cooperation with the telescopic function of the side wing assemblies, and the pressing plate can adapt to cushion products of different specifications and sizes; the problem that an existing pressing machine is incompact in packaging size due to the fact that the lengths of mattresses are inconsistent is solved, and the pressing machine has the advantages of being good in universality and improving packaging quality.

Description

Technical Field

[0001] The invention belongs to the field of packaging machinery and equipment, and in particular relates to a press with a retractable pressing plate. Background Art

[0002] The cushion packaging press is a compression molding device designed for soft materials. It is mainly used to compress sponge, foam, EVA and other cushion materials to a predetermined thickness and density to meet packaging needs, save space, and facilitate packaging and transportation. The equipment provides stable pressure through a precise hydraulic system to control the pressing component and the conveying component to compress the cushion products. However, the pressing plate of the pressing component of the existing press does not have a telescopic function and can only compress cushions of one length. Cushions of different lengths need to be replaced with pressing plates of different specifications, which has poor versatility. Summary of the invention

[0003] Based on the above problems existing in the prior art, the present invention provides a press with a retractable pressing plate, comprising a frame, on which a conveying assembly and a pressing assembly located above the conveying assembly are installed, and the pressing assembly is operable to slide on both sides of the conveying direction and is each installed with a group of side wing assemblies, the two groups of side wing assemblies are symmetrical to each other and the sliding direction is perpendicular to the conveying direction.

[0004] Among them, the lower pressure assembly includes a pressure plate body, and slide seats are fixedly installed on both sides of the pressure plate body; the side wing assembly includes a slider slidably installed on the slide seat, and a side wing beam is fixedly installed on the side of the slider away from the pressure plate body, and an extended wing plate extending toward the pressure plate body is fixedly installed on the lower surface of the side wing beam, and the extended wing plate fits the lower surface of the pressure plate body and blocks the space between the side wing beam and the pressure plate body; a telescopic rack is provided on the slider, and the telescopic rack is meshingly connected with a telescopic gear, and the telescopic gear is connected to a telescopic motor fixedly installed on the upper surface of the pressure plate body through a transmission shaft, and the side wing beam is driven to telescope and move by the telescopic motor.

[0005] Among them, a hydraulic system and a pressing cylinder connected to the hydraulic system are fixedly installed on the frame, and the telescopic end of the pressing cylinder extends downward and is fixedly connected to the top of the pressing plate body; a synchronous shaft is rotatably installed on the top of the frame, and a synchronous gear is fixedly installed on the synchronous shaft, and a synchronous rack meshing with the synchronous gear is also fixedly installed on the top of the pressing plate body.

[0006] Among them, a support frame is fixedly installed on the top of the side wing beam, and a bag sealing cylinder is fixedly installed on the support frame. The telescopic end of the bag sealing cylinder is downward and fixedly installed with a mounting beam, and an upper heat sealing block is fixedly installed on the bottom of the mounting beam through an elastic structure, and a cutter is fixedly installed on the other side of the mounting beam away from the pressure plate body, and an upper stabilizing block is fixedly installed on the other side of the mounting beam relative to the cutter relative to the upper heat sealing block, and the lower surface of the upper heat sealing block is lower than the lower surface of the upper stabilizing block. The frame is provided with a lower heat sealing block and a lower stabilizing block on one side of the conveying component, the lower heat sealing block and the upper heat sealing block cooperate to heat seal the packaging film, the upper stabilizing block and the lower stabilizing block cooperate to clamp the packaging film, and a cutting groove matching the cutter is provided between the lower heat sealing block and the lower stabilizing block.

[0007] The lifting mechanism is a lifting mechanism that can be lifted up and down by the lifting of the lifting mechanism, and the lifting mechanism is a lifting mechanism that can be lifted up and down by the lifting of the lifting mechanism.

[0008] Among them, the waste unloading slide is also provided with an upwardly extending linkage column, the side wing beam is fixedly installed with a linkage frame, and a plurality of linkage wheels that contact and cooperate with the linkage column are rotatably installed on the linkage frame. The linkage wheels are distributed on both sides of the linkage column and limit the relative displacement of the linkage column and the linkage frame in the horizontal direction.

[0009] Among them, the waste unloading slide is rotatably installed with a limiting roller on one side of the waste unloading roller, and the waste unloading belt is a closed-loop transmission belt. The waste unloading belt passes around the waste unloading roller from top to bottom and then passes through the upper surface of the limiting roller upward, so that the section of the waste unloading belt located at the bottom moves upward to approach the section located at the top.

[0010] Among them, the extended wing plate is provided with a plurality of limit rails perpendicular to the conveying direction, and the lower surface of the pressure plate body is provided with limit sliding grooves which are embedded and slidably matched with the limit rails.

[0011] The conveying assembly includes a conveying roller rotatably mounted on a frame, a closed-loop conveyor belt is mounted on the conveying roller, the conveying roller is transmission-connected to a conveying motor, and the closed-loop conveyor belt is driven to rotate by the conveying motor, and a pressure frame is arranged on the frame below the upper section of the closed-loop conveyor belt.

[0012] The beneficial effects of the present invention are as follows: retractable side wing components are arranged on both sides of the pressing plate body of the lower pressing component, the pressing plate body is made according to the commonly used minimum size, and the retractable function of the side wing components is cooperated to achieve the purpose that the pressing plate has the function of retracting and changing the size, and can adapt to soft cushion products of different specifications and sizes, and solves the problem of incompact packaging size caused by inconsistent length sizes of mattresses in existing presses. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is a three-dimensional structural schematic diagram of a press machine with a retractable pressing plate.

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of a press with a retractable pressing plate from another angle.

[0015] Figure 3 yes Figure 2 Enlarged view of point A.

[0016] Figure 4 It is a three-dimensional structural diagram of a press machine with a retractable pressing plate, hiding the top structure of the frame.

[0017] Figure 5 It is a three-dimensional structural schematic diagram of the downward pressure component.

[0018] Figure 6 It is a schematic diagram of the three-dimensional structure of the downward pressure component from another angle.

[0019] Figure 7 It is a schematic diagram of the linkage between the pressing assembly and the waste unloading slide.

[0020] Figure 8 yes Figure 7 Enlarged view of point B.

[0021] Fig. 9 It is a structural schematic diagram of a waste unloading slide and related structures.

[0022] Fig.10 It is a schematic diagram of the three-dimensional structure of the side wing assembly.

[0023] Fig.11 yes Fig.10 Enlarged view of point C.

[0024] Fig.12 yes Fig.10 Enlarged view of point D.

[0025] Fig.13 It is a plan view of the linkage between the side wing assembly and the waste unloading slide. DETAILED DESCRIPTION

[0026] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] As attached Figure 1-13 The press shown in the figure has a retractable pressing plate, comprising a cubic frame 1, on which is installed a conveying component 2 and a pressing component 3 located above the conveying component 2, and the pressing component 3 is slidably mounted with a group of side wing components 4 on both sides of the conveying direction, the two groups of side wing components 4 are symmetrical to each other and the sliding direction is perpendicular to the conveying direction, so as to achieve the purpose of changing the pressing plate size of the pressing component 3 by telescoping. When in use, the telescopic distance of the side wing component 4 is first adjusted according to the length of the cushion product so that it can match the size of the cushion product, thereby avoiding the problem of incompact packaging size caused by inconsistent length dimensions of the mattress.

[0028] As a preferred embodiment, four supporting feet are provided at the bottom of the frame 1 and are respectively located at the four top corners of the frame 1. A pressure frame is fixedly provided on the top of the supporting feet of the frame 1. Two conveying rollers 5 are rotatably installed in front and behind the pressure frame of the frame 1, and the same closed-loop conveyor belt 6 is mounted on the four conveying rollers 5, and the closed-loop conveyor belt 6 surrounds the pressure frame, so that the pressure frame is located below the upper section of the closed-loop conveyor belt 6. One of the conveying rollers 5 is transmission-connected to the conveying motor 7 and the closed-loop conveyor belt 6 is driven by the conveying motor 7 to rotate. The conveying rollers 5, the closed-loop conveyor belt 6 and the conveying motor 7 constitute a conveying assembly 2.A conventional hydraulic system and four pressing oil cylinders 8 connected to the hydraulic system are fixedly installed on the top of the frame 1. The telescopic ends of the four pressing oil cylinders 8 extend downward and are fixedly installed with the same pressing plate body 9. Four synchronous shafts 10 are rotatably installed on the top of the frame 1. The four synchronous shafts 10 are arranged in a rectangular shape and a synchronous gear 11 is fixedly installed at both ends of each synchronous shaft 10. Four rack columns are also fixedly installed on the top of the pressing plate body 9. Each rack column is provided with two synchronous racks 12 meshing with the synchronous gear 11. The pressing plate body 9 cooperates with the synchronous rack 12, the synchronous gear 11 and the synchronous shaft 10. To achieve synchronous parallel lifting on four sides, slide seats 13 are fixedly installed on both sides of the pressure plate body 9, and three slide seats 13 are arranged on each side. The pressure plate body 9, the pressing cylinder 8, the synchronous rack 12, the synchronous gear 11 and the synchronous shaft 10 constitute the pressing assembly 3; the side wing assembly 4 includes three sliders 14 slidably mounted on the slide seats 13 of the pressure plate body 9, and the three sliders 14 are jointly fixedly installed with a side wing beam 15 on the side away from the pressure plate body 9. The lower surface of the side wing beam 15 is fixedly installed with an extended wing plate 16 extending toward the pressure plate body 9. The extended wing plate 16 fits the lower surface of the pressure plate body 9 and blocks the side wing beam 15 and the pressure plate. In the space between the plate bodies 9, the extended wing plate 16 is provided with four limit rails 17 perpendicular to the conveying direction, and the lower surface of the platen body 9 is provided with four limit grooves 18 inlaid and slidably matched with the limit rails 17. The cooperation between the limit rails 17 and the limit grooves 18 improves the strength and sliding stability of the extended wing plate 16; the slider 14 is provided with a telescopic rack 19, and the telescopic rack 19 is meshingly connected with a telescopic gear 20. All telescopic gears 20 are connected to a telescopic motor 21 fixedly installed on the upper surface of the platen body 9 through a transmission shaft, and the side wing beam 15 is driven to telescope and move by the telescopic motor 21, so as to And adjust the telescopic distance of the side wing assembly 4; two support frames 22 are fixedly installed on the top of the side wing beam 15, each support frame 22 is fixedly installed with a bag sealing cylinder 23, the telescopic end of the bag sealing cylinder 23 is downward and fixedly installed with the same mounting beam 24, the bottom of the mounting beam 24 is fixedly installed with an upper heat sealing block 26 through a coil spring serving as an elastic structure 25, and the mounting beam 24 is fixedly installed with a cutter 27 on the other side away from the pressure plate body 9, and the mounting beam 24 is fixedly installed with an upper stabilizing block 28 on the other side of the cutter 27 relative to the upper heat sealing block 26, and the lower surface of the upper heat sealing block 26 is lower than the lower surface of the upper stabilizing block 28.

[0029] The frame 1 is provided with three lifting seats 29 on both sides of the conveying assembly 2 along the conveying direction, and the lifting seats 29 are provided with lifting racks 30. The frame 1 is provided with four lifting shafts 31 for rotation. The four lifting shafts 31 are connected end to end through a bevel gear transmission to form a rectangle. The lifting shafts 31 are fixedly provided with lifting gears meshing with the lifting racks 30. One of the lifting shafts 31 is connected to the lifting motor 32 and the lifting motor 32 drives the six lifting seats 29 to slide up and down synchronously, so that the height of the waste unloading slide 33 can be adjusted according to the thickness of the cushion product. The top of the lifting seat 29 is slidably installed with a waste unloading slide 33, and the sliding direction of the waste unloading slide 33 is the same as the sliding direction of the side wing assembly 4. The waste unloading slide 33 is rotatably installed with a waste unloading roller 34, and the waste unloading roller 34 is sleeved with a waste unloading belt 35. The waste unloading slide 33 is rotatably installed with a limiting roller 36 on one side of the waste unloading roller 34. The waste unloading belt 35 is a closed-loop transmission belt. The waste unloading belt 35 bypasses the waste unloading roller 34 from top to bottom and then passes through the upper surface of the limiting roller 36 upward, so that the section of the waste unloading belt 35 located at the bottom moves upward close to the section located at the top, reducing the waste unloading belt 35 occupying The space is increased to increase the up and down sliding distance of the lifting seat 29. The waste unloading roller 34 is also driven and connected to the waste unloading motor 37 fixedly installed on the waste unloading slide 33, and the waste unloading motor 37 drives the waste unloading belt 35 to move and transport the cut excess packaging film away from the press. The waste unloading slide 33 is fixedly installed with a lower heat sealing block 38 and a lower stabilizing block 39 on the side of the waste unloading belt 35 close to the pressing plate body 9. The lower heat sealing block 38 and the upper heat sealing block 26 cooperate to heat seal the packaging film, and the upper stabilizing block 28 and the lower stabilizing block 39 cooperate to clamp the packaging film. The lower heat sealing block 38 and the lower stabilizing block 39 A cutting groove 40 matching the cutter 27 is arranged in between, and two upwardly extending linkage columns 41 are also arranged on the waste unloading slide 33. The side wing beam 15 is fixedly installed with a linkage frame 42, and two linkage wheels 43 that contact and cooperate with the linkage column 41 are rotatably installed on the linkage frame 42. The two linkage wheels 43 are horizontally arranged and distributed on both sides of the linkage column 41, limiting the relative displacement of the linkage column 41 and the linkage frame 42 in the horizontal direction, so that when the side wing assembly 4 is extended or retracted, it will drive the waste unloading slide 33 to extend or retract synchronously, avoiding affecting the cooperation between the upper heat sealing block 26 and the lower heat sealing block 38.

[0030] The press provided in this embodiment can be used as a part of a cushion product packaging production line. The cushion product coated with the packaging film is conveyed from the upstream to the conveying component 2 of the press by the conveying structure of the production line, and the closed-loop conveyor belt 6 is driven by the conveying motor 7 to convey the cushion product to the bottom of the lower pressing component 3. The hydraulic system and the pressing cylinder 8 start to drive the pressing plate body 9 to descend, and the cushion product is compressed by the cooperation of the pressing plate body 9 and the side wing component 4. The two ends of the packaging film are heat-sealed by the cooperation of the upper heat-sealing block 26 and the lower heat-sealing block 38 to complete the packaging of the cushion product. Then the cutter 27 cuts off the excess packaging film, and then the lower pressing component 3 is reset, and the conveying component 2 conveys the packaged cushion product downstream.

[0031] The above-mentioned embodiment only expresses one implementation mode of the present invention, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A press machine with a retractable pressing plate, comprising a frame (1), the frame (1) being equipped with a conveying assembly (2) and a pressing assembly (3) located above the conveying assembly (2), characterized in that: The pressing assembly (3) is slidably mounted on both sides of the conveying direction with a set of side wing assemblies (4) each, the two sets of side wing assemblies (4) being symmetrical to each other and the sliding direction being perpendicular to the conveying direction.

2. A press machine with a retractable pressing plate according to claim 1, characterized in that: The pressing assembly (3) comprises a pressing plate body (9), and a slide seat (13) is fixedly installed on both sides of the pressing plate body (9); the side wing assembly (4) comprises a slider (14) slidably mounted on the slide seat (13), and a side wing beam (15) is fixedly installed on the slider (14) on the side away from the pressing plate body (9), and an extended wing plate (16) extending toward the pressing plate body (9) is fixedly installed on the lower surface of the side wing beam (15), and the extended wing plate (16) fits the lower surface of the pressing plate body (9) and blocks the space between the side wing beam (15) and the pressing plate body (9); a telescopic rack (19) is arranged on the slider (14), and the telescopic rack (19) is meshingly connected to a telescopic gear (20), and the telescopic gear (20) is connected to a telescopic motor (21) fixedly installed on the upper surface of the pressing plate body (9) through a transmission shaft, and the telescopic motor (21) drives the side wing beam (15) to telescopically move.

3. A press machine with a retractable pressing plate according to claim 2, characterized in that: A hydraulic system and a material pressing cylinder (8) connected to the hydraulic system are fixedly mounted on the frame (1); the telescopic end of the material pressing cylinder (8) extends downward and is fixedly connected to the top of the pressing plate body (9); a synchronous shaft (10) is rotatably mounted on the top of the frame (1); a synchronous gear (11) is fixedly mounted on the synchronous shaft (10); and a synchronous rack (12) meshing with the synchronous gear (11) is also fixedly mounted on the top of the pressing plate body (9).

4. A press machine with a retractable pressing plate according to claim 2, characterized in that: A support frame (22) is fixedly mounted on the top of the side wing beam (15), a bag sealing cylinder (23) is fixedly mounted on the support frame (22), a mounting beam (24) is fixedly mounted on the telescopic end of the bag sealing cylinder (23) facing downward, an upper heat sealing block (26) is fixedly mounted on the bottom of the mounting beam (24) via an elastic structure (25), a cutter (27) is fixedly mounted on the other side of the mounting beam (24) away from the pressure plate body (9), and a An upper stabilizing block (28), the lower surface of the upper heat-sealing block (26) is lower than the lower surface of the upper stabilizing block (28), the frame (1) is provided with a lower heat-sealing block (38) and a lower stabilizing block (39) on one side of the conveying component (2), the lower heat-sealing block (38) and the upper heat-sealing block (26) cooperate to heat-seal the packaging film, the upper stabilizing block (28) and the lower stabilizing block (39) cooperate to clamp the packaging film, and a cutting groove (40) matching the cutter (27) is provided between the lower heat-sealing block (38) and the lower stabilizing block (39).

5. A press machine with a retractable pressing plate according to claim 4, characterized in that: The frame (1) is provided with a lifting seat (29) on both sides of the conveying assembly (2) along the conveying direction so as to slide up and down. The lifting seat (29) is provided with a lifting rack (30). The frame (1) is provided with a lifting shaft (31) so as to rotate. The lifting shaft (31) is fixedly provided with a lifting gear meshing with the lifting rack (30). The lifting shaft (31) is connected to a lifting motor (32) and the lifting motor (32) drives the lifting seat (29) to slide up and down. A waste unloading slide (33) is provided on the top of the lifting seat (29) so as to slide. The sliding direction of the waste unloading slide (33) is the same as the sliding direction of the side wing assembly (4). The waste unloading slide (33) is rotatably mounted with a waste unloading roller (34), and the waste unloading roller (34) is sleeved with a waste unloading belt (35). The waste unloading roller (34) is also transmission-connected to a waste unloading motor (37) fixedly mounted on the waste unloading slide (33) and the waste unloading belt (35) is driven by the waste unloading motor (37) to move. The lower heat-sealing pressure block (38) and the lower stabilizing pressure block (39) are fixedly mounted on the waste unloading slide (33) and are located on a side of the waste unloading belt (35) close to the pressure plate body (9).

6. A press machine with a retractable pressing plate according to claim 5, characterized in that: The waste unloading slide seat (33) is also provided with a linkage column (41) extending upward, and the side wing beam (15) is fixedly mounted with a linkage frame (42), and a plurality of linkage wheels (43) contacting and cooperating with the linkage column (41) are rotatably mounted on the linkage frame (42), and the linkage wheels (43) are distributed on both sides of the linkage column (41) and limit the relative displacement of the linkage column (41) and the linkage frame (42) in the horizontal direction.

7. A press machine with a retractable pressing plate according to claim 5, characterized in that: The waste unloading slide (33) is rotatably mounted with a limiting roller (36) on one side of the waste unloading roller (34); the waste unloading belt (35) is a closed-loop transmission belt; the waste unloading belt (35) passes around the waste unloading roller (34) from top to bottom and then passes upward through the upper surface of the limiting roller (36), so that a section of the waste unloading belt (35) located at the bottom moves upward toward a section located at the top.

8. A press machine with a retractable pressing plate according to claim 2, characterized in that: The extended wing plate (16) is provided with a plurality of limit rails (17) perpendicular to the conveying direction, and the lower surface of the pressing plate body (9) is provided with limit sliding grooves (18) embedded and slidably matched with the limit rails (17).

9. A press machine with a retractable pressing plate according to any one of claims 1 to 8, characterized in that: The conveying assembly (2) comprises a conveying roller (5) rotatably mounted on a frame (1), a closed-loop conveyor belt (6) being sleeved on the conveying roller (5), the conveying roller (5) being transmission-connected to a conveying motor (7), and the closed-loop conveyor belt (6) is driven to rotate by the conveying motor (7), and a pressure frame is arranged on the frame (1) below the upper section of the closed-loop conveyor belt (6).

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