Novel drafting protective cover of plastic extrusion flat film wire drawing unit

Abstract

The utility model belongs to the technical field of wire drawing units, and particularly relates to a novel drafting protective cover of a plastic extrusion flat film wire drawing unit, which comprises a drafting device of the plastic extrusion flat film wire drawing unit, the drafting device consists of a base, a roller and a driving device, and two sides of the top of the base are symmetrically and rotatably connected with protective baffles through shafts. The upper side wall of the machine base is fixedly connected with a protruding layer. A film is drafted and wound through the drafting device, the driver operates to drive the protective baffle to rotate, when the protective baffle rotates upwards to be opened, the drafting device is convenient to overhaul, and when the drafting device rotates downwards to be closed to form a protective cover, a roller rotating at a high speed can be shielded, and the safety of the roller is improved. The safety of the plastic extrusion flat film wire drawing unit in the working process is improved, and automatic storage and unfolding are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire drawing machine sets, in particular to a novel drafting protective cover for a plastic extrusion flat film wire drawing machine set. Background Art

[0002] Most of the existing stretching and shaping parts of plastic extrusion flat film drawing units have no protective safety devices. The stretching and shaping parts rotate continuously during operation. The stretching device rollers of the plastic extrusion flat film drawing units are directly exposed to the outside. Due to the high-speed rotation of the rollers, there are safety hazards during normal operation.

[0003] The existing Chinese patent with announcement number CN218026482U discloses a new type of stretching protective cover for plastic extrusion flat film drawing machine, including a support bottom plate, a fixed support, a drawing machine body, a high-speed roller and a retractable stretching protective cover assembly, wherein the retractable stretching protective cover assembly includes a support vertical plate, a drive motor, a rotating transmission screw, a movable plate slide, a movable plate slider, a support frame movable plate, a protective cover support frame, a flexible transparent protective cover, a fixed vertical plate, a limit guide rod, a motor fixing frame, a winding motor, a winding transmission shaft and a winding transparent protective layer. The utility model belongs to the technical field of wire drawing machine, specifically refers to a new type of stretching protective cover for plastic extrusion flat film drawing machine, which effectively solves the problem that the lack of protective cover during the operation of the current plastic extrusion flat film drawing machine increases safety hazards and the protective cover is inconvenient to be automatically stored and unfolded, and achieves the purpose that the new type of stretching protective cover for plastic extrusion flat film drawing machine can reduce safety hazards and facilitate automatic storage and unfolding.

[0004] In view of the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: the device is protected by unfolding a protective cover support frame and a winding transparent protective layer, and when the protective cover support frame and the winding transparent protective layer are unfolded, it is not convenient for the film to pass through for winding, making the device inconvenient to use when the plastic extrusion flat film drawing machine is winding, and improvement is needed; therefore, in view of the above problems, a new type of stretching protective cover for a plastic extrusion flat film drawing machine is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the above-mentioned technical problems, the utility model provides a novel drafting protective cover for a plastic extrusion flat film drawing machine unit.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a new type of stretching protective cover for a plastic extrusion flat film drawing machine group, comprising a stretching device for the plastic extrusion flat film drawing machine group, the stretching device consisting of a machine base, a roller and a driving device, the roller is rotatably connected to the machine base through an axis, the driving device is fixedly installed on the side wall of the machine base, and the driving end of the driving device is fixedly connected to one end of the roller, the two sides of the top of the machine base are symmetrically connected with protective baffles through axis rotation, the upper side wall of the machine base is fixedly connected with a raised layer, the surface of the raised layer is installed with an opening and closing component, the opening and closing component includes a driver, and the driver is fixedly installed Installed on the top of the raised layer, the driving end of the driver is fixedly connected with a lead screw, the surface of the lead screw is threadedly connected with a connecting ring, brackets are hinged on both sides of the connecting ring, and the other end of the bracket is hinged to the protective baffle. When in use, the film is stretched and wound by the stretching device, and the lead screw is driven to rotate by the driver, and the lead screw adjusts the height of the connecting ring, and then the protective baffle is driven to rotate through the bracket. When the protective baffle is rotated upward to open, it is convenient to inspect and repair the stretching device, and the stretching device is rotated downward to close to form a protective cover, which can shield the high-speed rotating roller, improve the safety of the plastic extrusion flat film drawing unit during operation, and realize automatic storage and unfolding.

[0007] Preferably, the top end of the lead screw is rotatably connected to a support frame, and the bottom end of the support frame is fixedly connected to the machine base.

[0008] Preferably, an adjustment assembly is installed at the bottom end of the protective baffle, and the adjustment assembly includes an extension baffle, and the extension baffle is slidably connected to the protective baffle.

[0009] Preferably, the extended baffle and the protective baffle are made of organic glass, and the extended baffle extends the protective range of the protective baffle.

[0010] Preferably, a rectangular opening is provided on the surface of the extended baffle, and the size of the opening is large enough for an operator's hand to pass through, so that the membrane can be easily penetrated through the opening.

[0011] Preferably, an electric push rod is symmetrically fixedly connected to both sides of the bottom of the extended baffle, and the driving end of the electric push rod is fixedly connected to the protective baffle. The height of the extended baffle is adjusted by extending the electric push rod so that the opening and the membrane are kept on the same horizontal plane to avoid obstruction.

[0012] Preferably, the lower side wall of the extended baffle is provided with a slide groove connected to the opening, and the interior of the slide groove is slidably connected with an adjusting baffle. The electric push rod is extended to push the slider to slide, and the adjusting baffle is pushed to rise and fall inside the opening through the cooperation of the slider and the adjusting rod. When the adjusting baffle is dropped to the lowest end, the range of the opening is increased to facilitate membrane penetration. When the adjusting baffle rises and approaches the membrane, the opening is blocked to avoid the formation of a protective blind spot.

[0013] Preferably, the side wall of the extended baffle is symmetrically slidably connected with a slider, the side wall of the slider is hinged with an adjustment rod, and the top end of the adjustment rod is hinged with the adjustment baffle.

[0014] Preferably, the side wall of the extended baffle is symmetrically fixedly connected with a second electric push rod, and the driving end of the second electric push rod is fixedly connected to the slider.

[0015] The utility model is beneficial in that:

[0016] 1. The utility model stretches and reels the film through the stretching device, and drives the protective baffle to rotate through the operation of the driver. When the protective baffle rotates upward and opens, it is convenient to inspect and repair the stretching device, and the stretching device rotates downward and closes to form a protective cover, which can shield the high-speed rotating roller, improve the safety of the plastic extrusion flat film drawing unit during operation, and realize automatic storage and unfolding.

[0017] 2. The utility model extends the protection range of the protective baffle by extending the baffle, and compared with the prior art, the opening allows the film to pass through when the stretching device is running, and the height of the extended baffle can be adjusted when the electric push rod is extended, so that the opening and the film are kept on the same horizontal plane to avoid obstruction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 Bottom view of

[0021] Figure 3 For this utility model Figure 1 A structural diagram of ;

[0022] Figure 4 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0023] Figure 5 For this utility model Figure 4 Schematic diagram of the B structure.

[0024] In the figure: 1. stretching device; 11. machine base; 12. roller; 13. driving device; 2. protective baffle; 3. raised layer; 4. opening and closing assembly; 41. driver; 42. lead screw; 43. connecting ring; 44. bracket; 45. support frame; 5. adjustment assembly; 51. extension baffle; 52. opening; 53. electric push rod 1; 54. slide; 55. adjustment baffle; 56. slider; 57. adjustment rod; 58. electric push rod 2. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] See also Figure 1-3 As shown, a novel drafting protective cover for a plastic extrusion flat film drawing unit includes a drafting device 1 for the plastic extrusion flat film drawing unit, the drafting device 1 is composed of a machine base 11, a roller 12 and a driving device 13, the two sides of the top of the machine base 11 are symmetrically connected with protective baffles 2 through shaft rotation, the upper side wall of the machine base 11 is fixedly connected with a raised layer 3, the surface of the raised layer 3 is installed with an opening and closing component 4, the opening and closing component 4 includes a driver 41, the driver 41 is fixedly installed on the top of the raised layer 3, the driving end of the driver 41 is fixedly connected with a lead screw 42, the surface of the lead screw 42 is threadedly connected with a connecting ring 43, and the connecting ring 43 is threadedly connected to the driving end of the driver 41. Brackets 44 are hinged on both sides of the connecting ring 43, and the other end of the bracket 44 is hinged to the protective baffle 2. When in use, the film is stretched and wound by the stretching device 1, and the screw 42 is driven to rotate by the driver 41. The screw 42 adjusts the height of the connecting ring 43, and then the protective baffle 2 is driven to rotate through the bracket 44. When the protective baffle 2 is rotated upward to open, it is convenient to inspect the stretching device 1, and the stretching device 1 is rotated downward to close to form a protective cover, which can shield the high-speed rotating roller 12, improve the safety of the plastic extrusion flat film drawing unit during operation, and realize automatic storage and unfolding.

[0028] The top end of the lead screw 42 is rotatably connected to a support frame 45 , and the bottom end of the support frame 45 is fixedly connected to the machine base 11 .

[0029] Embodiment 2

[0030] For comparison with Example 1, please refer to Figure 4-5 As shown, the utility model provides another embodiment, an adjustment assembly 5 is installed at the bottom end of the protective baffle 2, and the adjustment assembly 5 includes an extension baffle 51, and the extension baffle 51 is slidably connected to the protective baffle 2.

[0031] The extension baffle 51 and the protection baffle 2 are made of organic glass, and the extension baffle 51 extends the protection range of the protection baffle 2.

[0032] A rectangular opening 52 is provided on the surface of the extended baffle 51 . The size of the opening 52 is large enough for an operator's hand to pass through, so that the membrane can be easily passed through the opening 52 .

[0033] The two sides of the bottom of the extended baffle 51 are symmetrically fixedly connected with electric push rods 53, and the driving end of the electric push rod 53 is fixedly connected to the protective baffle 2. The height of the extended baffle 51 is adjusted by extending the electric push rod 53 so that the opening 52 and the membrane are kept on the same horizontal plane to avoid obstruction.

[0034] The lower side wall of the extended baffle 51 is provided with a slide groove 54 connected to the opening 52, and the interior of the slide groove 54 is slidably connected with an adjusting baffle 55. The electric push rod 58 is extended to push the slider 56 to slide, and the slider 56 cooperates with the adjusting rod 57 to push the adjusting baffle 55 up and down inside the opening 52. When the adjusting baffle 55 drops to the lowest end, the range of the opening 52 is increased to facilitate membrane penetration. When the adjusting baffle 55 rises and approaches the membrane, the opening 52 is blocked to avoid a blind spot for protection.

[0035] The side wall of the extension baffle 51 is symmetrically slidably connected with a slider 56 , the side wall of the slider 56 is hinged with an adjustment rod 57 , and the top end of the adjustment rod 57 is hinged to the adjustment baffle 55 .

[0036] The side wall of the extended baffle 51 is symmetrically fixedly connected with a second electric push rod 58 , and the driving end of the second electric push rod 58 is fixedly connected to the slider 56 .

[0037] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and according to the actual situation, a suitable controller should be selected to be electrically connected to the drawing device 1, the driver 41, the electric push rod 1 53 and the electric push rod 2 58 to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the working order. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0038] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art.

[0039] Working principle: when in use, the film is stretched and wound through the stretching device 1, and the driver 41 drives the screw 42 to rotate. The screw 42 adjusts the height of the connecting ring 43, and then drives the protective baffle 2 to rotate through the bracket 44. When the protective baffle 2 is rotated upward and opened, it is convenient to inspect the stretching device 1, and the stretching device 1 is rotated downward and closed to form a protective cover, which can shield the high-speed rotating roller 12, improve the safety of the plastic extrusion flat film drawing unit during operation, and realize automatic storage and unfolding.

[0040] The extended baffle 51 extends the protection range of the protective baffle 2, and the opening 52 is for the film to pass through. The height of the extended baffle 51 is adjusted by extending the electric push rod 53 so that the opening 52 and the film are kept on the same horizontal plane to avoid obstruction.

[0041] The electric push rod 58 is extended to push the slider 56 to slide, and the slider 56 cooperates with the adjusting rod 57 to push the adjusting baffle 55 to rise and fall inside the opening 52. When the adjusting baffle 55 drops to the lowest end, the range of the opening 52 is increased to facilitate film penetration. When the adjusting baffle 55 rises and approaches the membrane, the opening 52 is blocked to avoid a blind spot in protection.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A novel drafting protective cover for a plastic extrusion flat film drawing machine unit, comprising a drafting device (1) of the plastic extrusion flat film drawing machine unit, wherein the drafting device (1) is composed of a machine base (11), a roller (12) and a driving device (13), and is characterized in that: The two sides of the top of the machine base (11) are symmetrically connected to protective baffles (2) through an axis rotation, the upper side wall of the machine base (11) is fixedly connected to a raised layer (3), the surface of the raised layer (3) is installed with an opening and closing component (4), the opening and closing component (4) comprises a driver (41), the driver (41) is fixedly installed on the top of the raised layer (3), the driving end of the driver (41) is fixedly connected to a lead screw (42), the surface of the lead screw (42) is threadedly connected to a connecting ring (43), the two sides of the connecting ring (43) are hinged with brackets (44), and the other end of the bracket (44) is hinged to the protective baffle (2).

2. The novel drafting protective cover for the plastic extrusion flat film drawing machine unit according to claim 1 is characterized in that: The top end of the lead screw (42) is rotatably connected to a support frame (45), and the bottom end of the support frame (45) is fixedly connected to the machine base (11).

3. The novel drafting protective cover for the plastic extrusion flat film drawing machine according to claim 1 is characterized by: An adjustment component (5) is installed at the bottom end of the protective baffle (2), and the adjustment component (5) comprises an extension baffle (51), and the extension baffle (51) is slidably connected to the protective baffle (2).

4. The novel drafting protective cover for the plastic extrusion flat film drawing machine unit according to claim 3 is characterized by: The extension baffle (51) and the protection baffle (2) are made of organic glass.

5. The novel drafting protective cover for the plastic extrusion flat film drawing machine according to claim 3 is characterized by: A rectangular opening (52) is provided on the surface of the extended baffle (51).

6. The novel drafting protective cover for the plastic extrusion flat film drawing machine unit according to claim 3 is characterized by: Electric push rods (53) are symmetrically fixedly connected to both sides of the bottom of the extension baffle (51), and the driving end of the electric push rod (53) is fixedly connected to the protective baffle (2).

7. The novel drafting protective cover for the plastic extrusion flat film drawing machine according to claim 5 is characterized by: The lower side wall of the extending baffle (51) is provided with a slide groove (54) which is connected to the opening (52), and an adjusting baffle (55) is slidably connected inside the slide groove (54).

8. The novel drafting protective cover for the plastic extrusion flat film drawing machine unit according to claim 7 is characterized by: The side wall of the extended baffle (51) is symmetrically slidably connected with a slider (56), the side wall of the slider (56) is hinged with an adjustment rod (57), and the top end of the adjustment rod (57) is hinged with the adjustment baffle (55).

9. The novel drafting protective cover for the plastic extrusion flat film drawing machine unit according to claim 8 is characterized in that: The side wall of the extended baffle (51) is symmetrically fixedly connected with a second electric push rod (58), and the driving end of the second electric push rod (58) is fixedly connected to the slider (56).

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