An automatic point-push film adjustment mold

Abstract

The utility model provides an automatic point-push type film adjustment mold, which relates to the technical field of film adjustment molds, including a mold body, a mold cover is arranged above the mold body, a rotary drive component is arranged on the mold body, an automatic point-push component is arranged above the rotary drive component, the automatic point-push component is arranged with an adjusting part, the adjusting part corresponds to the mold cover, a mold core is arranged in the mold cover, a discharge position is formed between the mold cover and the mold core, and the adjusting part extends out and pushes the mold cover to adjust the size of the discharge position. The utility model is beneficial in that when the thickness of the film needs to be adjusted, it is only necessary to drive the rotary drive component to drive the automatic point-push component to rotate around the mold cover, and move the automatic point-push component to the position that needs to be adjusted, the automatic point-push component drives the adjusting part to extend, so that the adjusting part is pressed against the position that needs to be adjusted, and the size of the discharge position is changed by pushing the mold cover, without manual adjustment, and is convenient to use, with high adjustment efficiency, and reduces manual labor.

Description

Technical Field

[0001] The utility model relates to the technical field of film adjustment moulds, in particular to an automatic point-push type film adjustment mould. Background Art

[0002] With the rapid development of the plastic processing industry, plastic processing molds are being used more and more widely. Take the blown film mold used in the extrusion and composite production of plastic film as an example. The mold is mainly used for temperature control and mold gap adjustment control during production and processing. The traditional adjustment method is to adjust the mold gap by tightening or loosening the screws. The larger the gap, the faster the material is discharged, and the smaller the gap, the slower the material is discharged, thereby adjusting the uniformity of the film and changing the thickness deviation.

[0003] In the prior art, the Chinese patent document (Announcement No.: CN208812528U, Patent Name: Adjustable Mold Structure for Fine Adjustment of Film Blowing Machine twice) discloses in the technical scheme that "it includes a mold body, the top of the mold body is provided with a fixed die nut, and the top of the mold body is also provided with a die, the outside of the mold body is provided with a mold cover adjustment ring, and the outside of the mold body is provided with an upper row of adjustment screws, the mold body is also provided with a lower row of adjustment screws, and the lower row of adjustment screws are located at the bottom of the upper row of adjustment screws, and the outside of the mold body is provided with a heating rod hole."

[0004] Combined with the description and drawings of the patent document, the die gap is reduced by tightening the upper row of adjustment screws, and the die gap is increased by tightening the lower row of adjustment screws. However, this method requires manual adjustment and twisting, which is not convenient to use, the adjustment efficiency is not high enough, and manual labor is increased. Utility Model Content

[0005] The utility model overcomes the shortcomings of the prior art and provides an automatic point-push film adjustment mold, which automatically adjusts the film thickness and is convenient and quick to use.

[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0007] An automatic point-push film adjustment mold comprises a mold body, a mold cover is arranged above the mold body, a rotating drive component is arranged on the mold body, an automatic point-push component is arranged above the rotating drive component, the automatic point-push component is provided with an adjusting part, the adjusting part corresponds to the mold cover, a mold core is arranged in the mold cover, a discharge position is formed between the mold cover and the mold core, and the adjusting part extends out and pushes the mold cover to adjust the size of the discharge position.

[0008] Furthermore, the rotary drive assembly includes a first motor, the first motor is connected to a gear, the gear is meshedly connected to a gear ring, and a rotating disk is fixedly arranged above the gear ring.

[0009] Furthermore, the automatic point-pushing assembly includes a second motor, the second motor is connected to a first synchronous wheel, the first synchronous wheel is connected to a belt, the belt is connected to a second synchronous wheel, the second synchronous wheel is connected to a screw rod, support seats are rotatably provided at both ends of the screw rod, the screw rod is threadedly connected to a screw rod nut, the screw rod nut is provided with a mounting seat, an adjusting member is provided below the mounting seat, a slider is slidably provided on the adjusting member, and the slider and the support seat are fixed above the rotating disk.

[0010] Furthermore, a fixing piece is arranged at the upper end of the mold body, the mold cover is movably arranged above the fixing piece, and the fixing piece is arranged between the rotating disk and the gear ring.

[0011] Furthermore, a first mounting groove for mounting a first ball is formed between the upper end of the fixing member and the lower end of the rotating disk, and a second mounting groove for mounting a second ball is formed between the lower end of the fixing member and the upper end of the gear ring.

[0012] Furthermore, a first connecting plate is arranged below the mold body, a support rod is arranged at the end of the first connecting plate, a second connecting plate is arranged above the support rod, a gear ring is arranged above the second connecting plate, the first motor is arranged on one side of the first connecting plate, and a limiting column is arranged on the other side of the first connecting plate, and the limiting column is fixedly connected to the fixing member.

[0013] Furthermore, an inner mold is arranged in the mold body, and a threaded channel is arranged on the outer surface of the inner mold.

[0014] Furthermore, the mold body is provided with a feed hole, and the feed hole, the threaded channel and the discharge position are connected.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] When the film thickness needs to be adjusted, it is only necessary to drive the rotary drive component to drive the automatic point push component to rotate around the mold cover, and move the automatic point push component to the position that needs to be adjusted. The automatic point push component drives the adjusting part to extend, so that the adjusting part is pressed against the position that needs to be adjusted. The size of the discharge position is changed by pushing the mold cover. No manual adjustment is required. It is easy to use, has high adjustment efficiency, and reduces manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a general diagram of the automatic point-push film adjustment mold of the embodiment of the utility model;

[0019] Figure 2 This is a cross-sectional view of the automatic point-push film adjustment mold of the embodiment of the utility model;

[0020] Figure 3 This is a top view of the automatic point-push film adjustment mold of the embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of the first connecting plate, the supporting rod and the second connecting plate of an embodiment of the utility model.

[0022] In the figure: 1-mold body, 101-feeding hole, 2-mold cover, 3-rotation drive assembly, 301-first motor, 302-gear, 303-gear ring, 304-rotating disk, 4-automatic push assembly, 401-adjusting member, 402-second motor, 403-first synchronous wheel, 404-belt, 405-second synchronous wheel, 406-screw, 407-screw nut, 408-mounting seat, 409-slider, 410-support seat, 5-fixing member, 501-first mounting groove, 502-second mounting groove, 6-first connecting plate, 7-support rod, 8-second connecting plate, 801-limiting column, 9-inner mold, 901-threaded channel, 10-mold core, 11-discharging position. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] like Figures 1 to 4 As shown, an automatic point-push film adjustment mold comprises a mold body 1, a mold cover 2 is arranged above the mold body 1, a rotating drive component 3 is arranged on the mold body 1, an automatic point-push component 4 is arranged above the rotating drive component 3, and the automatic point-push component 4 is provided with an adjusting member 401, the adjusting member 401 corresponds to the mold cover 2, a mold core 10 is arranged in the mold cover 2, and a discharge position 11 is formed between the mold cover 2 and the mold core 10. The adjusting member 401 extends out and pushes the mold cover 2 to adjust the size of the discharge position 11, and the film is extruded from the discharge position 11. When the film thickness needs to be adjusted, it only needs to be driven. The rotary drive component 3 drives the automatic point push component 4 to rotate around the mold cover 2, and moves the automatic point push component 4 to the position that needs to be adjusted. The automatic point push component 4 drives the adjusting part 401 to extend, so that the adjusting part 401 is pressed against the position that needs to be adjusted, and the size of the discharge position 11 is changed by pushing the mold cover 2 (the mold cover 2 is movable laterally, that is, changing the relative position between the mold cover 2 and the mold core 10, thereby controlling the size of the discharge position 11). After adjustment, the automatic point push component 4 drives the adjusting part 401 to retract to facilitate the next adjustment operation.

[0025] Specifically, the rotation drive component 3 includes a first motor 301, the first motor 301 is connected to a gear 302, the gear 302 is meshingly connected to a ring gear 303, a rotating disk 304 is fixedly arranged above the ring gear 303, the first motor 301 is started to drive the gear 302 to rotate, the gear 302 rotates to drive the ring gear 303 to rotate, the ring gear 303 drives the rotating disk 304 to rotate, and the rotating disk 304 drives the automatic point push component 4 to rotate around the mold cover 2.

[0026] The automatic push-to-push assembly 4 includes a second motor 402, the second motor 402 is connected to a first synchronous wheel 403, the first synchronous wheel 403 is connected to a belt 404, the belt 404 is connected to a second synchronous wheel 405, the second synchronous wheel 405 is connected to a screw rod 406, both ends of the screw rod 406 are rotatably provided with a support seat 410, the screw rod 406 is threadedly connected to a screw rod nut 407, the screw rod nut 407 is provided with a mounting seat 408, the adjusting member 401 is arranged below the mounting seat 408, and the adjusting member 401 is slidably provided with a slider 409 The slider 409 and the support seat 410 are fixed above the rotating disk 304, the second motor 402 is started to drive the first synchronous wheel 403 to rotate, the first synchronous wheel 403 drives the second synchronous wheel 405 to rotate synchronously through the belt 404, the second synchronous wheel 405 drives the screw rod 406 to rotate, the screw rod 406 drives the screw nut 407 to move back and forth, the screw nut 407 drives the mounting seat 408 to move back and forth, and the mounting seat 408 drives the adjusting member 401 to slide back and forth on the slider 409, so that the adjusting member 401 can realize the extension and retraction operation.

[0027] A fixing part 5 is arranged at the upper end of the mold body 1, and the mold cover 2 is movably arranged above the fixing part 5, so that the adjusting part 401 pushes the mold cover 2 to adjust the size of the discharge position 11. The fixing part 5 is arranged between the rotating disk 304 and the ring gear 303, and a first mounting groove 501 for mounting a first ball is formed at the upper end of the fixing part 5 and the lower end of the rotating disk 304, and a second mounting groove 502 for mounting a second ball is formed at the lower end of the fixing part 5 and the upper end of the ring gear 303. When the rotating disk 304 and the ring gear 303 rotate, the fixing part 5 will not be driven to rotate.

[0028] A first connecting plate 6 is arranged below the mold body 1, a support rod 7 is arranged at the end of the first connecting plate 6, a second connecting plate 8 is arranged above the support rod 7, a gear ring 303 is arranged above the second connecting plate 8, a first motor 301 is arranged on one side of the first connecting plate 6, and a limiting column 801 is arranged on the other side of the first connecting plate 6, and the limiting column 801 is fixedly connected to the fixing member 5, such as Figure 2 As shown, the limiting column 801 is arranged on the inner side of the gear ring 303, so as to limit the gear ring 303 and prevent the gear ring 303 from shifting when rotating.

[0029] An inner mold 9 is arranged inside the mold body 1, and a threaded channel 901 is arranged on the outer surface of the inner mold 9. The mold body 1 is provided with a feed hole 101. The feed hole 101, the threaded channel 901 and the discharge position 11 are connected. The film material enters the mold body 1 from the feed hole 101, passes through the threaded channel 901 and is extruded to the discharge position 11 to form a film.

[0030] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic point-push film adjustment mold, characterized in that: The mold body (1) comprises a mold cover (2) arranged above the mold body (1), the mold body (1) is provided with a rotary drive assembly (3), an automatic point push assembly (4) is arranged above the rotary drive assembly (3), the automatic point push assembly (4) is provided with an adjustment member (401), the adjustment member (401) corresponds to the mold cover (2), a mold core (10) is arranged inside the mold cover (2), a material discharge position (11) is formed between the mold cover (2) and the mold core (10), and the adjustment member (401) extends out and pushes the mold cover (2) to adjust the size of the material discharge position (11).

2. The automatic point-push film adjustment mold according to claim 1, characterized in that: The rotary drive assembly (3) comprises a first motor (301), the first motor (301) is connected to a gear (302), the gear (302) is meshingly connected to a gear ring (303), and a rotating disk (304) is fixedly arranged above the gear ring (303).

3. The automatic point-push film adjustment mold according to claim 2, characterized in that: The automatic push-to-push assembly (4) comprises a second motor (402), the second motor (402) is connected to a first synchronous wheel (403), the first synchronous wheel (403) is connected to a belt (404), the belt (404) is connected to a second synchronous wheel (405), the second synchronous wheel (405) is connected to a lead screw (406), support seats (410) are rotatably provided at both ends of the lead screw (406), the lead screw (406) is threadedly connected to a lead screw nut (407), the lead screw nut (407) is provided with a mounting seat (408), the adjustment member (401) is provided below the mounting seat (408), the adjustment member (401) is slidably provided with a slider (409), and the slider (409) and the support seat (410) are fixed above the rotating disk (304).

4. The automatic point-push film adjustment mold according to claim 3, characterized in that: A fixing member (5) is provided at the upper end of the mold body (1); the mold cover (2) is movably arranged above the fixing member (5); and the fixing member (5) is arranged between the rotating disk (304) and the gear ring (303).

5. The automatic point-push film adjustment mold according to claim 4, characterized in that: A first mounting groove (501) for mounting a first ball is formed between the upper end of the fixing member (5) and the lower end of the rotating disk (304), and a second mounting groove (502) for mounting a second ball is formed between the lower end of the fixing member (5) and the upper end of the gear ring (303).

6. The automatic point-push film adjustment mold according to claim 1, characterized in that: A first connecting plate (6) is arranged below the mold body (1), a support rod (7) is arranged at the end of the first connecting plate (6), a second connecting plate (8) is arranged above the support rod (7), a gear ring (303) is arranged above the second connecting plate (8), a first motor (301) is arranged on one side of the first connecting plate (6), and a limiting column (801) is arranged on the other side of the first connecting plate (6), and the limiting column (801) is fixedly connected to the fixing member (5).

7. The automatic point-push film adjustment mold according to claim 1, characterized in that: An inner mold (9) is arranged inside the mold body (1), and a threaded channel (901) is arranged on the outer surface of the inner mold (9).

8. The automatic point-push film adjustment mold according to claim 7, characterized in that: The mold body (1) is provided with a feed hole (101), and the feed hole (101), the threaded channel (901) and the discharge position (11) are connected.

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