Plastic vacuum forming machine for cutting and blanking

Abstract

The utility model discloses a plastic vacuum forming machine capable of cutting and blanking, which comprises a plastic vacuum forming machine main body with an existing structure, two sides of the plastic vacuum forming machine main body are respectively provided with a feeding assembly and a material receiving assembly, and a cutting assembly is arranged between the plastic vacuum forming machine main body and the material receiving assembly; the feeding assembly comprises a feeding support and a feeding roller rotationally connected to the feeding support, a plastic film barrel is installed and connected to the feeding roller, the end of at least one end of the feeding roller penetrates out of the feeding support to be fixedly provided with a ratchet wheel, a limiting block is fixed to the feeding support, an inserting channel is formed in the limiting block, and the inserting channel is communicated with the plastic film barrel. A balancing weight is arranged in the insertion channel, and a limiting surface matched with the ratchet wheel is arranged on the balancing weight; compared with the prior art, the feeding device has the advantages that the feeding device is simple in structure, reverse rotation of the feeding roller can be prevented due to the ratchet wheel, and discharging and winding can be facilitated due to the cutting assembly.

Description

Technical Field

[0001] This utility model belongs to the technical field of vacuum forming equipment, specifically relating to a vacuum forming machine for cutting and feeding materials. Background Technology

[0002] Vacuum forming machines, also known as thermoforming machines, are used to vacuum-form heated and plasticized thermoplastic sheets such as PVC, PE, PP, PET, and HIPS into various shapes of high-end packaging boxes, frames, and other products. Utilizing the vacuum suction generated by a vacuum pump, heated and softened thermoplastic sheets such as PVC and PET are vacuum-formed into various shapes of vacuum covers, blister trays, and other products through molds. Currently, cutting and blanking are mostly manually controlled, affecting labor efficiency. Therefore, it is crucial to develop a vacuum forming machine that overcomes these shortcomings in terms of cutting and blanking. Utility Model Content

[0003] To solve at least one of the above-mentioned technical problems, this utility model provides a blister packaging machine for cutting and unloading materials, including a blister packaging machine body with an existing structure, a feeding component and a receiving component respectively provided on both sides of the blister packaging machine body, and a cutting component provided between the blister packaging machine body and the receiving component;

[0004] The feeding assembly includes a feeding bracket and a feeding roller rotatably connected to the feeding bracket. A plastic film tube is installed and connected on the feeding roller. At least one end of the feeding roller passes through the feeding bracket and is fixed with a ratchet. A limit block is fixed on the feeding bracket. An insertion channel is opened on the limit block. A counterweight is built into the insertion channel. The counterweight is provided with a limiting surface that cooperates with the ratchet.

[0005] The cutting assembly includes a support platform and a support frame fixed on the support platform. A pressing cylinder is fixed on the support frame, and a blade assembly is fixed on the output shaft of the pressing cylinder. The blade assembly has an integrally formed cutting protrusion for material cutting.

[0006] The support platform has a recessed groove for placing the vacuum-formed protrusions. When the blade assembly is pressed down, the cutting protrusions press against the vacuum-formed material, positioning them in the recessed groove. Cutting is achieved when the cutting protrusions contact the surface of the support platform. The blade assembly has ventilation holes within the range between the cutting protrusions, and these ventilation holes connect to form an air duct. An air compressor is also included, fixed to the blade assembly, and its output is connected to the air duct via a pipe. The ventilation holes allow the formed material to be lowered into the recessed groove, facilitating the material's detachment.

[0007] The main body of the vacuum forming machine is fixed with a feeding bracket on one side. The feeding bracket is equipped with an existing three-axis robot arm, which is equipped with several existing suction cup structures to pick up the finished product placed in the groove.

[0008] The inner wall of the plastic film tube is provided with a first limiting groove, and the outer wall of the feeding roller is provided with a second limiting groove. A limiting pin is inserted between the first limiting groove and the second limiting groove to connect the plastic film tube and the feeding roller, which enables the replacement of the plastic film tube and facilitates installation and replacement.

[0009] A linear bearing is provided between the counterweight and the insertion channel to reduce friction.

[0010] The receiving assembly includes a receiving bracket and a receiving roller rotatably connected to the receiving bracket. One end of the plastic film on the plastic film tube is fixed to the receiving roller. At least one end of the receiving roller passes through the receiving bracket and is fixed to a transmission disk. The transmission disk has a transmission groove, and the outer wall of the transmission groove has several spaced control slots. A drive motor is fixed to the receiving bracket, and drive teeth are fixed to the output shaft of the drive motor. The drive teeth mesh with the control slots to make the transmission disk rotate intermittently.

[0011] It also includes a controller, the output of which is electrically connected to the pressing cylinder. Each of the control slots is fixed with a light sensor that is electrically connected to the controller. When the drive tooth blocks the light from the light sensor, it indicates that the receiving roller is rotating. When the light sensor receives light, it indicates that the receiving roller is not rotating. Then the controller controls the pressing cylinder to press down.

[0012] This invention controls the operation of the pressing cylinder through a controller, and the drive motor is set to run continuously, which can ensure the automation process of this invention without the need to switch the drive motor on and off, thus avoiding additional losses.

[0013] Compared with the prior art, the advantages of this utility model are: the utility model has a simple structure, the ratchet setting can prevent the feeding roller from reversing, and the cutting component setting of this utility model can facilitate unloading and winding. Attached Figure Description

[0014] Figure 1 This is a cross-sectional schematic diagram of the present invention;

[0015] Figure 2 This is a perspective view of the support platform of this utility model;

[0016] Figure 3 This is a perspective view of the blade assembly of this utility model;

[0017] Figure 4 This is a side view of the feeding assembly of this utility model;

[0018] Figure 5 This is a side view of the material receiving assembly of this utility model;

[0019] Figure label:

[0020] 1. Main body of the vacuum forming machine;

[0021] 2. Feeding assembly; 21. Feeding bracket; 22. Feeding roller; 23. Plastic film tube; 24. Ratchet; 25. Limiting block; 26. Insertion channel; 30. Counterweight; 27. Limiting surface; 28. Linear bearing; 29. ​​Limiting pin;

[0022] 3. Receiving assembly; 31. Receiving bracket; 32. Receiving roller; 33. Transmission disc; 34. Transmission groove; 35. Control groove; 36. Drive motor; 37. Drive gear;

[0023] 4. Cutting assembly; 41. Support platform; 42. Support frame; 43. Downward cylinder; 44. Blade assembly; 45. Cutting protrusion; 46. Placement groove; 47. Ventilation perforation; 48. Air duct;

[0024] 5. Plastic film. Detailed Implementation

[0025] To enable those skilled in the art to better understand this utility model and to more clearly define the scope of protection claimed by this utility model, the present utility model is described in detail below with reference to certain specific embodiments. It should be noted that the following are only some specific embodiments of the present utility model concept, and are only a part of the embodiments of this utility model. The specific and direct description of related structures is only for the convenience of understanding this utility model, and the specific features do not necessarily or directly limit the scope of implementation of this utility model.

[0026] Referring to the accompanying drawings, the present invention adopts the following technical solution: the present invention provides a blister packaging machine for cutting and feeding materials, including a blister packaging machine body 1 with an existing structure, a feeding component 2 and a receiving component 3 respectively provided on both sides of the blister packaging machine body 1, and a cutting component 4 provided between the blister packaging machine body 1 and the receiving component 3.

[0027] The feeding assembly 2 includes a feeding bracket 21 and a feeding roller 22 rotatably connected to the feeding bracket 21. A plastic film tube 23 is installed on the feeding roller 22. At least one end of the feeding roller 22 extends out of the feeding bracket 21 and is fixed with a ratchet 24. A limit block 25 is fixed on the feeding bracket 21. An insertion channel 26 is provided on the limit block 25. A counterweight 30 is built into the insertion channel 26. A limiting surface 27 that cooperates with the ratchet 24 is provided on the counterweight 30.

[0028] The cutting assembly 4 includes a support platform 41 and a support frame 42 fixed on the support platform 41. A pressing cylinder 43 is fixed on the support frame 42. A blade assembly 44 is fixed on the output shaft of the pressing cylinder 43. A cutting protrusion 45 for material cutting is integrally formed on the blade assembly 44.

[0029] The support platform 41 is provided with a placement groove 46 for placing the vacuum-formed protrusion. When the blade assembly 44 is pressed down, the cutting protrusion 45 abuts against the vacuum-formed material and is pressed down, placing the vacuum-formed protrusion in the placement groove 46. Cutting is achieved when the cutting protrusion 45 contacts the surface of the support platform 41. Ventilation perforations 47 are provided on the blade assembly 44 within the range between the plurality of cutting protrusions 45. The plurality of ventilation perforations 47 are connected to form an air duct 48. An existing air compressor is also included, fixed at any position on the top of the blade assembly 44. The output end of the air compressor is connected to the air duct 48 via a pipe. The ventilation perforations 47 allow the material formed by this invention to be placed downwards into the placement groove 46, facilitating the removal of the formed material.

[0030] The main body 1 of the vacuum forming machine is equipped with an existing unloading robot on one side. This robot includes a fixed unloading bracket, on which an existing three-axis robot is mounted. The three-axis robot is equipped with several existing suction cup structures to pick up and unload the finished product placed in the groove 46. Since this is an existing structure, it is not shown in the attached drawings.

[0031] The inner wall of the plastic film tube 23 is provided with a first limiting groove, and the outer wall of the feeding roller 22 is provided with a second limiting groove. A limiting pin 29 is inserted between the first limiting groove and the second limiting groove to connect the plastic film tube 23 and the feeding roller 22, which enables the replacement of the plastic film tube 23 and facilitates installation and replacement.

[0032] A linear bearing 28 is provided between the counterweight 30 and the insertion channel 26 to reduce friction.

[0033] The receiving assembly 3 includes a receiving bracket 31 and a receiving roller 32 rotatably connected to the receiving bracket 31. One end of the plastic film 5 on the plastic film tube 23 is fixed to the receiving roller 32. At least one end of the receiving roller 32 passes through the receiving bracket 31 and is fixed to a transmission disk 33. The transmission disk 33 has a transmission groove 34. The outer wall of the transmission groove 34 has a plurality of control grooves 35 spaced apart. A drive motor 36 is fixed on the receiving bracket 31. A drive tooth 37 is fixed on the output shaft of the drive motor 36. The drive tooth 37 meshes with the control grooves 35 to make the transmission disk 33 rotate intermittently.

[0034] It also includes a controller, the output of which is electrically connected to the pressing cylinder 43. Each of the control slots 35 is fixed with a light sensor that is electrically connected to the controller. When the drive tooth 37 blocks the light from the light sensor, it indicates that the receiving roller 32 is rotating. When the light sensor receives light, it indicates that the receiving roller 32 is not rotating. Then the controller controls the pressing cylinder 43 to press down.

[0035] This invention controls the operation of the pressing cylinder 43 through a controller, and the drive motor 36 is set to rotate continuously, which can ensure the automation process of this invention without the need to switch the drive motor 36 on and off, thus avoiding additional losses.

[0036] Compared with the prior art, the advantages of this utility model are: the structure of this utility model is simple, the ratchet 24 can prevent the feeding roller 22 from reversing, and the cutting component 4 of this utility model can facilitate unloading and winding.

[0037] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to those processes, articles, or apparatus / devices.

[0038] In the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A blister machine for cutting a blank, characterized in that: The device includes a vacuum forming machine body (1), with a feeding component (2) and a receiving component (3) respectively on both sides of the vacuum forming machine body (1), and a cutting component (4) between the vacuum forming machine body (1) and the receiving component (3). The feeding assembly (2) includes a feeding bracket (21) and a feeding roller (22) rotatably connected to the feeding bracket (21). A plastic film tube (23) is installed on the feeding roller (22). At least one end of the feeding roller (22) extends out of the feeding bracket (21) and is fixed with a ratchet (24). A limit block (25) is fixed on the feeding bracket (21). An insertion channel (26) is provided on the limit block (25). A counterweight (30) is built into the insertion channel (26). A limiting surface (27) that cooperates with the ratchet (24) is provided on the counterweight (30). The cutting assembly (4) includes a support platform (41) and a support frame (42) fixed on the support platform (41). A pressing cylinder (43) is fixed on the support frame (42). A blade assembly (44) is fixed on the output shaft of the pressing cylinder (43). A cutting protrusion (45) for cutting is integrally formed on the blade assembly (44).

2. The vacuum forming machine for cutting and blanking according to claim 1, characterized in that: The inner wall of the plastic film tube (23) is provided with a first limiting groove, and the outer wall of the feeding roller (22) is provided with a second limiting groove. A limiting pin (29) is inserted between the first limiting groove and the second limiting groove to connect the plastic film tube (23) and the feeding roller (22).

3. The cut-and- strip blister machine of claim 1, wherein: A linear bearing (28) is provided between the counterweight (30) and the insertion channel (26).

4. The cut-and- strip blister machine of claim 1, wherein: The receiving assembly (3) includes a receiving bracket (31) and a receiving roller (32) rotatably connected to the receiving bracket (31). One end of the plastic film (5) on the plastic film tube (23) is fixed to the receiving roller (32). At least one end of the receiving roller (32) passes through the receiving bracket (31) and is fixed to a transmission disk (33). A transmission groove (34) is provided on the transmission disk (33). A number of control grooves (35) are provided on the outer wall of the transmission groove (34). A drive motor (36) is fixed on the receiving bracket (31). A drive tooth (37) is fixed on the output shaft of the drive motor (36). The drive tooth (37) meshes with the control groove (35) to make the transmission disk (33) rotate intermittently.

5. The cut-and- strip blister machine of claim 4, wherein: It also includes a controller, the output of which is electrically connected to the pressing cylinder (43). Each of the control slots (35) is fixed with a light sensor electrically connected to the controller. When the drive tooth (37) blocks the light from the light sensor, it means that the receiving roller (32) is rotating. When the light sensor receives light, it means that the receiving roller (32) is not rotating. Then the controller controls the pressing cylinder (43) to press down.

6. The vacuum forming machine for cutting and blanking according to claim 1, characterized in that: The blade assembly (44) within the range between the plurality of cutting protrusions (45) is provided with ventilation holes (47), the plurality of ventilation holes (47) are connected to form an air duct (48), and also includes an air compressor fixed on the blade assembly (44), the output end of the air compressor being connected to the air duct (48) through a pipe.

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