Forming device for producing polyethylene film plastic bag
By designing a forming device with a rotating motor and an electric telescopic rod, the problem of equipment shutdown during roll changing was solved, achieving efficient roll changing and production continuity.
Patent Information
- Application Number
- CN202422658074.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-01
AI Technical Summary
In the current production process of polyethylene film plastic bags, the equipment needs to be stopped when the rollers are changed, resulting in low production efficiency.
Design a forming device that uses a rotating motor to drive the take-up roller on a rotating disk to rotate, and uses an electric telescopic rod and a take-up motor to realize the horizontal movement and docking of the take-up roller, simplifying the roller replacement process.
This allows for quick replacement of take-up rolls without stopping equipment operation, thus improving production efficiency.
Smart Images

Figure CN223560918U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic bag processing equipment technical field, concretely is a kind of forming device for production polyethylene film plastic bag. BACKGROUND
[0002] The medicinal low-density polyethylene film plastic bag is a medicinal packaging material medicinal bag produced by blowing film, cutting, heat sealing and vacuum packaging in a clean environment using polyethylene particles as raw material. It is widely used in the packaging, transportation and temporary storage of non-sterile solid raw medicines and medicinal excipients due to its excellent low-temperature resistance, good chemical stability and electrical insulation. The production process of the medicinal low-density polyethylene bag mainly includes film blowing, cutting, bag making, heat sealing, vacuum packaging and testing. The medicinal low-density polyethylene film bag has excellent material inertness, biological and chemical stability, heat sealing property, water resistance, freeze resistance and moisture resistance.
[0003] After production and molding, the polyethylene film plastic bag needs to be rolled by a rolling roller. The rolling roller needs to be replaced after rolling a certain thickness. The existing replacement method requires workers to disassemble and then install the rolling roller. The replacement process stops the operation of the equipment for producing polyethylene film plastic bags, and the replacement time is long, which reduces the production efficiency of polyethylene film plastic bags. SUMMARY
[0004] TECHNICAL PROBLEM
[0005] To solve the above technical problems, the utility model provides a forming device for producing polyethylene film plastic bags.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a forming device for producing polyethylene film plastic bags, comprising a device main body and a winding roller, an installation frame is installed on the device main body, a rotating motor is installed on the installation frame, a rotating disc is installed on the action output shaft of the rotating motor, four sliding rods are arranged at intervals in the circumferential direction on the rotating disc, an installation block is installed on the sliding rod, an installation slot is formed in the installation block, one end of the winding roller protrudes a connecting shaft, the connecting shaft is clamped in the installation slot, the other end of the winding roller protrudes a hexagonal butt joint block, a limit block is clamped at the opening end of the installation slot, a limit rod is slidingly installed on the installation block, a plug-in hole matched with the limit rod is formed in the limit block, a support plate is installed on the side of the device main body away from the installation frame, a winding motor is arranged on the support plate, a rotating hole is formed in the support plate, a transmission shaft is rotatably installed in the rotating hole, an internal hexagonal butt joint groove matched with the hexagonal butt joint block is formed in the transmission shaft, the action output shaft of the winding motor is installed on the transmission shaft, and an electric telescopic rod is arranged on the installation frame.
[0007] Preferably, four sliding holes are arranged on the rotating disc in a circumferential direction, and four sliding rods are arranged in the sliding holes.
[0008] Preferably, four guide sliding grooves are arranged in the sliding holes in a circumferential direction, and a guide sliding block is arranged in the guide sliding groove and is installed on the sliding rod.
[0009] Preferably, a reset spring is sleeved on the limiting rod, one end of the reset spring is installed on the mounting block, and the other end of the reset spring is installed on the limiting rod.
[0010] Preferably, an arc-shaped groove is arranged on one end of the limiting block close to the connecting shaft.
[0011] Preferably, a rotating shaft is arranged at the center of the rotating disc, and one end of the rotating shaft away from the rotating disc is rotatably installed on the supporting plate.
[0012] Preferably, a rubber protection pad is attached to one end of the sliding rod away from the mounting block.
[0013] Compared with the prior art, the utility model provides a forming device for producing polyethylene film plastic bags, which has the following beneficial effects:
[0014] The winding roller, the rotating disc, the electric telescopic rod and the winding motor and other structures are matched with each other, so that the winding roller on the rotating disc is driven to rotate by the rotating motor during use, the winding roller is moved to the same horizontal axis as the winding motor, the electric telescopic rod on the supporting plate pushes the sliding rod to move horizontally, the winding roller moves horizontally towards the winding motor, the hexagonal butt joint block on the winding roller is inserted into the internal hexagonal butt joint groove on the transmission shaft in the supporting plate, the butt joint of the winding roller and the winding motor is completed, the winding motor is started to drive the winding roller to rotate, and the winding work is started. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic view of the main structure of the utility model;
[0016] Figure 2 It is a schematic view of the main structure of the utility model;
[0017] Figure 3 It is a sectional structure schematic view of the sliding rod, the transmission shaft and the rotating shaft and other structures of the utility model;
[0018] Figure 4 The utility model discloses a Figure 3 The structure amplification schematic diagram of A place in the middle;
[0019] Figure 5 The utility model discloses a connecting shaft and the section structure schematic diagram of installation block etc.
[0020] Wherein: 1, device main body;2, mounting frame;3, support plate;4, rotating disc;5, winding roller;6, rotating shaft;7, hexagonal butt joint block;8, winding motor;9, electric telescopic rod;10, rotating motor;11, transmission shaft;12, internal hexagonal butt joint groove;13, rotating hole;14, mounting block;15, connecting shaft;16, limit stopper;17, plug-in hole;18, limit rod;19, return spring;20, guide sliding slot;21, guide sliding block;22, sliding rod;23, installation slot. DETAILED DESCRIPTION
[0021] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0022] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relation indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0023] In the description of the utility model, it is necessary to point out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] Please refer to Figures 1-5The utility model provides a kind of forming device for producing polyethylene film plastic bag, including device main body 1 and winding roller 5, device main body is equipped with mounting bracket 2, rotating motor 10 is installed on mounting bracket 2, rotating motor 10's action output shaft is equipped with rotating disc 4, rotating disc 4 is equipped with four sliding rods 22 along the circumferential direction interval arrangement, sliding rod 22 is equipped with mounting block 14, mounting block 14 is equipped with installation groove 23, winding roller 5 one end is provided with connecting shaft 15, connecting shaft 15 is clamped in installation groove 23, winding roller 5 other end is provided with hexagonal butt joint block 7, the opening end of installation groove 23 is clamped with limit block 16, limit block 16 is equipped with the insertion hole 17 of being adapted with limit rod 18 on mounting block 14, limit rod 18 is slidably installed on mounting block 14, limit block 16 is equipped with the insertion hole 17 of being adapted with limit rod 18, device main body 1 is equipped with support plate 3 away from mounting bracket 2 side, winding motor 8 is arranged on support plate 3, rotating hole 13 is equipped in support plate 3, rotating hole 13 is rotatably installed with transmission shaft 11, transmission shaft 11 is equipped with the internal hexagonal butt joint groove 12 of being adapted with hexagonal butt joint block 7, winding motor 8's action output shaft is installed on transmission shaft 11, and mounting bracket 2 is equipped with electric telescopic rod 9.
[0025] The utility model discloses a kind of forming device for producing polyethylene film plastic bag, including device main body 1 and winding roller 5, device main body is equipped with mounting bracket 2, rotating motor 10 is installed on mounting bracket 2, rotating motor 10's action output shaft is equipped with rotating disc 4, rotating disc 4 is equipped with four sliding rods 22 along the circumferential direction interval arrangement, sliding rod 22 is equipped with mounting block 14, mounting block 14 is equipped with installation groove 23, winding roller 5 one end is provided with connecting shaft 15, connecting shaft 15 is clamped in installation groove 23, winding roller 5 other end is provided with hexagonal butt joint block 7, the opening end of installation groove 23 is clamped with limit block 16, limit block 16 is equipped with the insertion hole 17 of being adapted with limit rod 18 on mounting block 14, limit rod 18 is slidably installed on mounting block 14, limit block 16 is equipped with the insertion hole 17 of being adapted with limit rod 18, device main body 1 is equipped with support plate 3 away from mounting bracket 2 side, winding motor 8 is arranged on support plate 3, rotating hole 13 is equipped in support plate 3, rotating hole 13 is rotatably installed with transmission shaft 11, transmission shaft 11 is equipped with the internal hexagonal butt joint groove 12 of being adapted with hexagonal butt joint block 7, winding motor 8's action output shaft is installed on transmission shaft 11, and mounting bracket 2 is equipped with electric telescopic rod 9.
[0026] Specifically, in the embodiment, four sliding holes are arranged on the rotating disc 4 along the circumferential direction, and the four sliding rods 22 are slidably arranged in the sliding holes.
[0027] The sliding hole, the guide slot 20 and the guide block 21 are matched with each other, so that the movement direction of the sliding rod 22 can be guided, and the movement range of the sliding rod 22 is limited.
[0028] Specifically, in the embodiment, the limiting rod 18 is sleeved with a reset spring 19, one end of the reset spring 19 is installed on the mounting block 14, and the other end of the reset spring 19 is installed on the limiting rod 18.
[0029] The reset spring 19 is arranged, so that the limiting rod 18 always maintains the locking state of the limiting block 16 in the normal state, thereby guaranteeing the stability of the connecting shaft 15 in the mounting groove 23.
[0030] Specifically, in the embodiment, the end of the limiting block 16 close to the connecting shaft 15 is provided with an arc-shaped groove.
[0031] Specifically, in the embodiment, the center of the rotating disc 4 is provided with a rotating shaft 6, and the end of the rotating shaft 6 away from the rotating disc 4 is rotatably installed on the supporting plate 3.
[0032] The supporting plate 3 and the rotating shaft 6 are arranged, so as to provide certain supporting capacity for the rotating disc 4, make the rotating process of the rotating disc 4 more smooth, and guarantee the stability of the rotating disc 4 in the use process.
[0033] Specifically, in the embodiment, the end of the sliding rod 22 away from the mounting block 14 is attached with a rubber protection pad, so as to reduce the impact force generated when the electric telescopic rod 9 contacts with the sliding rod 22, thereby guaranteeing the service life of the device.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A forming apparatus for producing polyethylene film plastic bags, comprising a main body and a winding roller, characterized in that: The main body of the device is equipped with a mounting frame, on which a rotating motor is mounted. A rotating disk is mounted on the output shaft of the rotating motor. Four sliding rods are arranged at intervals along the circumference of the rotating disk. Mounting blocks are mounted on the sliding rods, and mounting slots are formed on the mounting blocks. One end of the take-up roller has a connecting shaft protruding, which is engaged in the mounting slot. The other end of the take-up roller has a hexagonal mating block protruding. A limit block is engaged at the opening end of the mounting slot. A limit rod is slidably mounted on the mounting block. The limit block has an insertion hole that matches the limit rod. A support plate is mounted on the side of the main body of the device away from the mounting frame. A take-up motor is mounted on the support plate. A rotating hole is formed on the support plate, and a drive shaft is rotatably mounted in the rotating hole. The drive shaft has an internal hexagonal mating slot that matches the hexagonal mating block. The output shaft of the take-up motor is mounted on the drive shaft. An electric telescopic rod is arranged on the mounting frame.
2. The forming apparatus for producing polyethylene film plastic bags according to claim 1, characterized in that: The rotating disk has four sliding holes spaced apart along the circumference, and four sliding rods are respectively slidably arranged in the sliding holes.
3. The forming apparatus for producing polyethylene film plastic bags according to claim 2, characterized in that: The sliding hole has four guide grooves arranged at intervals in a circular direction, and guide sliders are slidably arranged in the guide grooves. The guide sliders are mounted on the sliding rod.
4. The forming apparatus for producing polyethylene film plastic bags according to claim 1, characterized in that: A reset spring is sleeved on the limiting rod. One end of the reset spring is mounted on the mounting block, and the other end of the reset spring is mounted on the limiting rod.
5. The forming apparatus for producing polyethylene film plastic bags according to claim 1, characterized in that: The limiting block has an arc-shaped groove at one end near the connecting shaft.
6. The forming apparatus for producing polyethylene film plastic bags according to claim 1, characterized in that: A rotating shaft is located at the center of the rotating disk, and the end of the rotating shaft away from the rotating disk is rotatably mounted on a support plate.
7. The forming apparatus for producing polyethylene film plastic bags according to claim 1, characterized in that: A rubber protective pad is attached to the end of the sliding rod away from the mounting block.