Automatic traction film drawing device of film blowing machine
By using an air knife to feed the film and a pneumatic conveying system to pull the automatic film pulling device through a blown film machine, the problems of manual climbing and manual film threading during film winding in the existing technology have been solved, realizing automated plastic film conveying and forming, and reducing safety risks.
Patent Information
- Application Number
- CN202520292452.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing blown film machines require personnel to manually thread the film by climbing the equipment platform multiple times during film winding, which increases workload and safety hazards, and poses a risk of finger injury from pressure.
Design an automatic film pulling device for blown film machine. Utilize air knife film feeding and pneumatic conveying system to achieve automated film conveying and limiting, reducing manual intervention. The horizontal conveying and embossing of the film are achieved through air knife blowing.
This reduces the workload and physical exertion of personnel, avoids the risks of climbing platforms and manually threading membranes, and lowers the possibility of finger injuries from pressure.
Smart Images

Figure CN223750251U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a film blowing machine pull film technical field more specifically, relate to a kind of film blowing machine traction automatic film pulling device. BACKGROUND
[0002] Film blowing machine is a kind of plastic processing equipment, its working principle mainly includes plastic particle feed system: plastic particles are transported from hopper to heating device;Heating system: using electric heating wire or gas heating system is heated to melting point plastic particles;Blown film forming system: the molten plastic is formed into film under the blowing of high-pressure air, by controlling the blowing pressure and temperature, adjust the thickness and texture of film;Rolling system: the film formed is rolled into specified diameter cylinder;Mainly used to form film after heating and melting plastic.
[0003] At present, in prior art, during winding, personnel need to climb equipment platform multiple times, and then manually thread the blown film into embossing roller in sequence, to realize the conveying of film, but during this period, personnel climb equipment platform multiple times, which not only increases the workload of personnel, but also has certain safety hazard, and during personnel threading, it is easy to cause damage to fingers by placing fingers between threading embossing roller, therefore, the present scheme provides a kind of film blowing machine traction automatic film pulling device. UTILITY MODEL CONTENT
[0004] 1. The technical problem to be solved:
[0005] In view of the problems existing in the prior art, the utility model aims at providing a kind of film blowing machine traction automatic film pulling device, which can realize the pressure roller and forming conveying of plastic film as a whole, and send film by air knife, so that workers do not need to climb ladder and step on platform when pulling film, reduce the workload and physical strength of personnel, and do not need manual threading under the blowing of air knife, reduce the risk between threading embossing roller, and avoid finger injury.
[0006] 2. Technical scheme:
[0007] To solve the above problems, the utility model adopts the following technical scheme.
[0008] A kind of film blowing machine traction automatic film pulling device, including support platform, the upper end of the support platform is installed with guardrail, the center end of the guardrail is fixedly connected with support seat, the upper and lower ends of the support seat are both provided with through hole, the upper end of the support seat is installed with film sending assembly, wherein;
[0009] The side plate one and the side plate two are respectively fixedly connected with a side plate one and a side plate two on the left and right sides of the upper end of the supporting seat, and a embossing iron roller, a driven roller one, a driven roller two and a rubber roller are respectively arranged between the inner walls of the side plate one and the side plate two.
[0010] One group of the air knives is located on the lower side of the embossing iron roller, and the other group of the air knives is located on the upper side of the driven roller two.
[0011] Further improvement lies in that the upper end of the side plate one is provided with an installation groove one and an installation groove two, the installation groove two is located on one side of the installation groove one, the side end of the side plate one is provided with an installation groove three, the installation groove three is located on the other side of the installation groove one, and one end of the driven roller one is located between the inner walls of the installation groove one.
[0012] Further improvement lies in that the side end of the side plate two is provided with an installation groove four, and the upper end of the side plate two is provided with an installation groove five.
[0013] Further improvement lies in that the inner walls of the side plate one and the side plate two are fixedly connected with a connecting plate, a guide roller is rotatably connected between the inner walls of the two connecting plates, and the guide roller is located on one side of the embossing iron roller.
[0014] Further improvement lies in that the left and right sides of the driven roller two and the rubber roller are provided with bearing seats, a pneumatic cylinder one is installed on the side end of the side plate one and the side plate two, the telescopic end of the pneumatic cylinder one is fixedly connected with the bearing seat of the driven roller two, a pneumatic cylinder two is installed on the top end of the side plate one and the side plate two, and the telescopic end of the pneumatic cylinder two is fixedly connected with the bearing seat of the rubber roller.
[0015] Further improvement lies in that the transmission assembly comprises a motor installed on the upper end of the supporting seat, the output end of the motor penetrates to the outside of the side plate one and is fixedly connected with a transmission gear one, the transmission end of one side of the embossing iron roller penetrates to the outside of the side plate one and is fixedly connected with a transmission gear two, one end of the driven roller one is fixedly connected with a transmission gear three, a tensioning wheel is installed on the outer end of the side plate one, and the transmission gear one, the transmission gear two, the transmission gear three and the tensioning wheel are arranged with a transmission chain.
[0016] 3. Beneficial effects:
[0017] Compared with the prior art, the technical scheme has the following beneficial effects:
[0018] The utility model discloses a reasonable design, through pneumatic conveying with the required plastic film vertical upward delivery, until the plastic film is located between driven roller no. 1, driven roller no. 2, drive the air blower, drive the air knife of driven roller no. 2 one side to plastic film and blow, make its vertical plane plastic film form level surface, plastic film's another end is located between the inner wall of rubber roller and embossed iron roller at this time, then drive driven roller no. 2 to driven roller no. 1 one side and adhere, drive rubber roller and adhere to the surface of embossed iron roller, thereby complete the location of plastic film, then personnel passes through drive transmission assembly, promotes embossed iron roller, driven roller no. 1 and occur rotation;
[0019] When the plastic film is conveyed to the other side of the embossed iron roller, the air knife at the bottom side of the embossed iron roller blows, so that the plastic film is displaced to the outside of the mounting groove one, the air knife is used to send the film in the embossed roller and the forming conveying of the whole plastic film, so that the worker does not need to climb the ladder and go up to the platform when the film is lifted, the workload and physical strength of the worker are reduced, and the worker does not need to manually wear the film under the blowing of the air knife, the risk between the embossed rollers is reduced, and the finger of the worker is prevented from being damaged by pressure.
[0020] It should be noted that the structures not introduced in the utility model are the same as or can be realized by the prior art, and will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the overall structure schematic view of the utility model;
[0022] Figure 2 It is the structure schematic view of the back of the film feeding assembly of the utility model;
[0023] Figure 3 It is the structure schematic view of the front of the film feeding assembly of the utility model;
[0024] Figure 4 It is the structure schematic view of the transmission assembly of the utility model.
[0025] Explanation of reference numerals in the drawing:
[0026] 1, support platform;2, guardrail;3, support seat;
[0027] 4, film feeding assembly;
[0028] 41, side plate one;411, mounting groove one;412, mounting groove two;413, mounting groove three;
[0029] 42, side plate two;421, mounting groove four;422, mounting groove five;
[0030] 43, embossed iron roller;44, driven roller no. 1;45, driven roller no. 2;451, air cylinder no. 1;46, rubber roller;461, air cylinder no. 2;
[0031] 47, transmission assembly; 471, motor; 472, transmission gear one; 473, transmission gear two; 474, transmission gear three; 475, tension pulley; 476, transmission chain;
[0032] 48, air knife; 49, air blower; 410, link plate; 4101, guide roller. DETAILED DESCRIPTION
[0033] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0034] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description. Therefore, it cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0035] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.
[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "provided with", "provided in" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be 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; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT
[0037] Please refer to Figures 1-4The utility model provides a kind of automatic film pulling device of traction of film blowing machine, including support platform 1, the upper end of the support platform 1 is installed with guardrail 2, the center end of the guardrail 2 is fixedly connected with support seat 3, the upper and lower ends of the support seat 3 are both provided with through hole, the upper end of the support seat 3 is installed with film feeding assembly 4, wherein;
[0038] The film feeding assembly 4 includes side plate one 41 and side plate two 42 fixedly connected on the left and right sides of the upper end of the support seat 3, the inner walls of the side plate one 41 and the side plate two 42 are respectively installed with embossed iron roller 43, driven roller one 44, driven roller two 45 and rubber roller 46, the embossed iron roller 43, the driven roller one 44 and the driven roller two 45 are in the same horizontal plane, the rubber roller 46 is located on the upper side of the embossed iron roller 43, the sidewall of the side plate one 41 is installed with transmission assembly 47, the transmission assembly 47 is used to drive the transmission of the embossed iron roller 43 and the driven roller one 44, two groups of air knives 48 are installed between the inner walls of the side plate one 41 and the side plate two 42, a blower 49 is installed at the top end of the support platform 1, and the blower 49 is connected with the two groups of air knives 48 respectively;
[0039] One group of the air knives 48 is located on the lower side of the embossed iron roller 43, and the other group of the air knives 48 is located on the upper side of the driven roller two 45.
[0040] More specifically, the inner walls of the side plate one 41 and the side plate two 42 are fixedly connected with link plates 410, the inner walls of the two link plates 410 are rotatably connected with guide rollers 4101, and the guide rollers 4101 are located on one side of the embossed iron roller 43.
[0041] In the use process, in order to avoid the inconvenience and risk of manually placing the plastic film for conveying after reaching the equipment platform by climbing the ladder in the prior art, in the embodiment, the required plastic film is first vertically upwardly conveyed by pneumatic conveying until the plastic film is located between the driven roller one 44 and the driven roller two 45, the blower 49 is driven, the air knife 48 on one side of the driven roller two 45 blows the plastic film to form a horizontal plane, the other end of the plastic film is located between the inner walls of the rubber roller 46 and the embossed iron roller 43 at this time, then the driven roller two 45 is driven to adhere to the side of the driven roller one 44, the rubber roller 46 is driven to adhere to the surface of the embossed iron roller 43, so as to complete the limiting of the plastic film, and then the personnel drives the transmission assembly 47 to make the embossed iron roller 43 and the driven roller one 44 rotate.
[0042] After the plastic film is conveyed to the other side of the embossed iron roller 43, the air knife 48 at the bottom side of the embossed iron roller 43 blows, so that the plastic film is displaced to the outside of the guide roller 4101, thereby realizing the whole plastic film roller and forming conveying, compared with the prior art, the utility model can realize the whole plastic film roller and forming conveying, through the air knife film feeding, prompting the worker to climb the ladder and step on the platform, reducing the work load and physical strength of the personnel, at the same time, under the blowing film of the air knife, manual film threading is not needed, the risk between the embossed rollers is reduced, and the finger injury of the personnel is avoided.
[0043] Please refer to Figures 1-4 The upper end of the side plate one 41 is provided with a mounting groove one 411 and a mounting groove two 412, the mounting groove two 412 is located at one side of the mounting groove one 411, the side end of the side plate one 41 is provided with a mounting groove three 413, the mounting groove three 413 is located at the other side of the mounting groove one 411, and one end of the driven roller one 44 is located between the inner walls of the mounting groove one 411.
[0044] More specifically, the side end of the side plate two 42 is provided with a mounting groove four 421, and the upper end of the side plate two 42 is provided with a mounting groove five 422.
[0045] More specifically, the left and right sides of the driven roller two 45 and the rubber roller 46 are both provided with bearing seats, the side end of the side plate one 41 and the side plate two 42 is provided with a cylinder one 451, the telescopic end of the cylinder one 451 is fixedly connected with the bearing seat of the driven roller two 45, and the top end of the side plate one 41 and the side plate two 42 is provided with a cylinder two 461, the telescopic end of the cylinder two 461 is fixedly connected with the bearing seat of the rubber roller 46.
[0046] In the use process of the scheme, the bearing seats on the two sides of the rubber roller 46 are located between the mounting groove two 412 and the mounting groove five 422 respectively, the cylinder two 461 promotes the bearing seats to move up and down through the pneumatic pushing, so that the rubber roller 46 is combined with the embossed iron roller 43, the bearing seats on the two sides of the driven roller two 45 are located between the mounting groove three 413 and the mounting groove four 421 respectively, the cylinder one 451 promotes the bearing seats on the two sides of the driven roller two 45 to move forward and backward through the pneumatic pushing, so that the driven roller two 45 is combined with the surface of the driven roller one 44.
[0047] One end of the embossed iron roller 43 is fixedly connected with the side wall of the side plate two 42 through a bearing seat, the other end of the embossed iron roller 43 penetrates to the outside of the side plate one 41, one end of the driven roller one 44 is fixedly connected with the side wall of the side plate two 42 through a bearing seat, and the other end of the driven roller one 44 is located between the inner walls of the mounting groove one 411 and penetrates to the outside of the side plate one 41.
[0048] Please refer to Figure 4The transmission assembly 47 comprises a motor 471 installed on the upper end of the support base 3, the output end of the motor 471 penetrates to the outer side of the side plate one 41 and is fixedly connected with a transmission gear one 472, the transmission end of the embossed iron roller 43 penetrates to the outer side of the side plate one 41 and is fixedly connected with a transmission gear two 473, one end of the driven roller one 44 is fixedly connected with a transmission gear three 474, the outer end of the side plate one 41 is installed with a tension pulley 475, and the transmission gear one 472, the transmission gear two 473, the transmission gear three 474 and the tension pulley 475 are installed with a transmission chain 476.
[0049] In use, the transmission gear one 472 is rotated by driving the motor 471, then the transmission gear two 473 and the transmission gear three 474 are driven to rotate by the transmission chain 476, so that the embossed iron roller 43 and the driven roller one 44 are synchronously rotated, and then the subsequent rubber roller 46 and the driven roller two 45 are passively attached to the surfaces of the embossed iron roller 43 and the driven roller one 44, and the driven roller two 45, the rubber roller 46 and the plastic film are driven, and the tension of the transmission chain 476 on the surfaces of the transmission gear three 474, the transmission gear two 473 and the transmission gear one 472 can be freely adjusted by the tension pulley 475.
[0050] The above-described embodiments only express certain embodiments of the present application, which are described in detail and specifically, but should not be understood as a limitation on the scope of the present application; it should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. An automatic film pulling device for a blown film machine, comprising a support platform (1), characterized in that: The upper end of the support platform (1) is equipped with a guardrail (2), and the center end of the guardrail (2) is fixedly connected to a support base (3). Both the upper and lower ends of the support base (3) are provided with through holes, and the upper end of the support base (3) is equipped with a film feeding assembly (4). The film feeding assembly (4) includes a side plate 1 (41) and a side plate 2 (42) fixedly connected to the left and right sides of the upper end of the support base (3). An embossing iron roller (43), a driven roller 1 (44), a driven roller 2 (45), and a rubber roller (46) are respectively installed between the inner walls of the side plate 1 (41) and the side plate 2 (42). The embossing iron roller (43), the driven roller 1 (44), and the driven roller 2 (45) are on the same horizontal plane. The rubber roller (46) is located on the pressure plate. On the upper side of the embossed iron roller (43), a transmission assembly (47) is installed on the side wall of the first side plate (41). The transmission assembly (47) is used to drive the embossed iron roller (43) and the driven roller (44). Two sets of air knives (48) are installed between the inner walls of the first side plate (41) and the second side plate (42). A blower (49) is installed at the top of the support platform (1). The blower (49) is connected to the two sets of air knives (48) respectively. One set of air knives (48) is located on the lower side of the embossing roller (43), and the other air knives (48) are located on the upper side of the driven roller (45).
2. The automatic film pulling device for a blown film machine according to claim 1, characterized in that: The upper end of the side plate 1 (41) is provided with mounting groove 1 (411) and mounting groove 2 (412). Mounting groove 2 (412) is located on one side of mounting groove 1 (411). Mounting groove 3 (413) is provided on the side end of the side plate 1 (411). Mounting groove 3 (413) is located on the other side of mounting groove 1 (411). One end of the driven roller 1 (44) is located between the inner walls of mounting groove 1 (411).
3. The automatic film pulling device for a blown film machine according to claim 1, characterized in that: The side end of the second side plate (42) is provided with a fourth mounting groove (421), and the upper end of the second side plate (42) is provided with a fifth mounting groove (422).
4. The automatic film pulling device for a blown film machine according to claim 1, characterized in that: A connecting plate (410) is fixedly connected to the inner wall of the first side plate (41) and the second side plate (42). A guide roller (4101) is rotatably connected between the inner walls of the two connecting plates (410). The guide roller (4101) is located on one side of the embossed iron roller (43).
5. The automatic film pulling device for a blown film machine according to claim 1, characterized in that: Bearing seats are installed on both the left and right sides of the driven roller 2 (45) and the rubber roller (46). A cylinder 1 (451) is installed on the side end of the side plate 1 (41) and the side plate 2 (42). The telescopic end of the cylinder 1 (451) is fixedly connected to the bearing seat of the driven roller 2 (45). A cylinder 2 (461) is installed on the top of the side plate 1 (41) and the side plate 2 (42). The telescopic end of the cylinder 2 (461) is fixedly connected to the bearing seat of the rubber roller (46).
6. The automatic film pulling device for a blown film machine according to claim 1, characterized in that: The transmission assembly (47) includes a motor (471) mounted on the upper end of the support base (3). The output end of the motor (471) extends through to the outside of the side plate (41) and is fixedly connected to a transmission gear (472). The transmission end of one side of the embossing roller (43) extends through to the outside of the side plate (41) and is fixedly connected to a transmission gear (473). One end of the driven roller (44) is fixedly connected to a transmission gear (474). A tension wheel (475) is installed on the outer end of the side plate (41). A transmission chain (476) is wound around the transmission gear (472), transmission gear (473), transmission gear (474), and tension wheel (475).