High-adaptability edge inserting mold for film blowing machine

Abstract

The high-adaptability edge inserting mold for the film blowing machine comprises a bottom sleeve and a top sleeve, mounting blocks are arranged in cavities in the two sides of the bottom sleeve in a sliding mode, threaded rods are rotationally installed on the outer sides of the mounting blocks and in the cavities in the two sides of the top sleeve, and the threaded rods are sleeved with transverse strips in a threaded mode; the outer ends of the transverse strips on the outer sides of the mounting blocks are slidably arranged in the movable grooves, the movable grooves are formed in the inner sides of the frame plates, the bottom sleeve and the top sleeve are arranged below and above the frame plates correspondingly, and the transverse strips at the two ends of the top sleeve are rotationally connected with the frame plates. The middle sleeve is arranged between the bottom sleeve and the top sleeve, the end of a transverse strip on the outer side of the middle sleeve is installed in a movable groove in the inner side of the frame plate in a sliding mode, the top of the bottom sleeve is connected with a driving base through an elastic telescopic rod, and the driving rod is slidably sleeved with a bevel gear set in a limiting mode. According to the high-adaptability edge inserting mold of the film blowing machine, the overall width can be adjusted, the inclination angle can be adjusted in use, and the high-adaptability edge inserting mold is suitable for edge inserting operation under different conditions.

Description

Technical Field

[0001] The invention relates to the technical field of film production, in particular to a highly adaptable edge-inserting mould for a film blowing machine. Background Art

[0002] When producing plastic film, the molten plastic material is continuously extruded from the circular extrusion port of the die head, and after being inflated, a cylindrical film bubble with a larger diameter is formed, which is guided by the herringbone plate. In the processing of the edge-inserted bag, an edge-inserted mold is also needed to guide the edge-inserted, but the existing edge-inserted mold has the following problems when used; For the production of plastic Harima side-stitched bags, it is often necessary to produce plastic films of different specifications according to demand. However, the existing side-stitching molds are not convenient for automatically adjusting the width, and the production specifications are limited. The side-stitching molds need to be frequently disassembled and assembled, which seriously affects the production efficiency. At the same time, the existing side-stitching molds are not convenient for adjusting the angle of the molds according to production needs. Most of the time, people manually climb up the frame to manually adjust the side-stitching mold according to the angle of the herringbone plate. Although there is a method for adjusting the overall installation position and angle of the side-stitching mold in the prior art, the technical means for adjusting the side-stitching mold itself to improve its applicability still have defects.

[0003] In view of the above problems, it is urgent to carry out innovative design based on the original edge inserting mold. Summary of the invention

[0004] The object of the present invention is to provide a highly adaptable insert edge mold for a film blowing machine, so as to solve the problem that the existing insert edge mold proposed in the above background technology is not convenient for automatically adjusting the width, and it is not convenient to adjust the angle of the mold according to production requirements. The technical solution of the present invention is aimed at the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a highly adaptable edge-inserting mold for a film blowing machine, comprising a bottom sleeve and a top sleeve, mounting blocks are slidably arranged in the cavities on both sides of the bottom sleeve, and screws are rotatably arranged on the outer side of the mounting blocks and in the cavities on both sides of the top sleeve, a horizontal bar is arranged on the threaded sleeve of the screw, and the outer end of the horizontal bar on the outer side of the mounting block is slidably arranged in a movable groove, the movable groove is opened on the inner side of a frame plate, and an edge-inserting plate is fixed on the outer side of the frame plate, the bottom sleeve and the top sleeve are respectively arranged below and above the frame plate, and the horizontal bars at both ends of the top sleeve are rotatably connected to the frame plate; It also includes a middle sleeve, which is arranged between the bottom sleeve and the top sleeve, and screws are rotatably installed in the cavities at both ends of the middle sleeve, and the threaded sleeve on the screw is provided with a horizontal bar, and the end of the horizontal bar outside the middle sleeve is slidably installed in the movable groove inside the frame plate, the top of the bottom sleeve is connected to a driving seat through an elastic telescopic rod, and the driving seat is connected to a driving rod through a built-in motor, the upper limit sliding sleeve of the driving rod is provided with a bevel gear group, and the bevel gear group is embedded and rotatably installed in the middle sleeve, and the driving rod is connected to the screws in the top sleeve and the middle sleeve through the bevel gear group; An angle adjustment component is embedded in the bottom sleeve and is used to push the bottom of the frame plate to adjust its angle.

[0006] Preferably, the horizontal bar is fitted and slid in the side cavities of the bottom sleeve, the top sleeve and the middle sleeve through a screw, and the outer end of the horizontal bar is designed as a spherical structure to fit and slide in the movable groove with limited position.

[0007] Preferably, the length of the horizontal bar increases from top to bottom, and the two frame plates outside the horizontal bar are diagonally inclined.

[0008] Preferably, a connecting sleeve is installed above the middle sleeve via a spring, and the connecting sleeve is installed on the driving rod via a bearing sleeve.

[0009] Preferably, a first limiting rod is fixed inside the middle area of ​​the bevel gear set, and the first limiting rod is slidably arranged in the first limiting groove, and the first limiting groove is opened on the outside of the driving rod.

[0010] Preferably, the angle adjustment assembly includes a gear roller, and the gear roller is embedded in the bottom sleeve through the motor, and a gear is meshed at the bottom of the gear roller, the gear sleeve is arranged on the limit sleeve, and the limit sleeve is installed in the bottom sleeve for limited rotation, and the limit sleeve is connected to the inner end of the screw, and a cam is arranged on the gear roller, and the cam is arranged below the driving seat.

[0011] Preferably, a second limiting rod is fixed on the inner wall of the limiting sleeve, and the second limiting rod is slidably arranged in the second limiting groove, and the second limiting groove is opened on the outer side of the smooth surface of the inner end of the screw rod.

[0012] Preferably, the limiting sleeve drives the screw in the bottom sleeve to rotate through the second limiting rod and the second limiting groove, and the square structure on the screw in the bottom sleeve fits and slides in the bottom sleeve.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, when the width needs to be adjusted, the motor in the driving seat drives the driving rod to rotate, and the first limiting rod and the first limiting groove drive the bevel gear group to rotate, and the bevel gear group drives the screw to rotate in the cavities on the side of the top sleeve and the middle sleeve, thereby driving the horizontal bars on the side of the top sleeve and the middle sleeve to move horizontally, adjusting the spacing between the two frame plates, and at the same time, the horizontal bars at the bottom sleeve follow the movement to complete the overall horizontal movement, so that the width of the insert mold can be adjusted, which is suitable for blow molding requirements of different specifications. In this process, due to the limited installation of the spherical structure at the end of the horizontal bar in the movable groove, the overall tilt design is matched, and the multiple horizontal bars from top to bottom ensure the overall connection stability on the basis of horizontal horizontal movement, thereby improving the practicality of the insert mold; 2. The present invention, when it is necessary to adjust the inclination angle of the side inserting plate according to the angle of the herringbone plate, the motor drives the gear roller to rotate, which can drive the rotation. Under the action of the second limit rod and the second limit groove, the screw in the bottom sleeve is driven to rotate. At this time, the screws in the top sleeve and the middle sleeve will not rotate, and the horizontal bar in the bottom sleeve cooperates with the movable groove to push the bottom of the frame plate to move, so that the end of the horizontal bar at the top sleeve of the frame plate rotates to adjust the angle of the two frame plates and the side inserting plate. In this process, the cam drives the driving seat to move up, and the horizontal bar on the outside of the middle sleeve is forced to drive the middle sleeve to move up and down through the driving rod to support the interior, and the supporting position is adaptively adjusted through the connecting sleeve and the spring. In this process, the position of the driving rod and the connection between the driving rod and the bevel gear group will not be affected. After the angle is adjusted, the overall width can still be adjusted again, so that the angle adjustment and the width adjustment will not interfere with each other, and the middle sleeve will cooperate with the horizontal bar for stable support. The adjustment of various specifications of the side inserting mold can be completed by only two motors, which is flexible in operation and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front cross-section structure of the present invention; Figure 2 This is a schematic diagram of the front cross-sectional structure of the bottom sleeve of the present invention; Figure 3 For the present invention Figure 1 The enlarged structural diagram at A in the middle; Figure 4 For the present invention Figure 1 The enlarged structural diagram at B in the middle; Figure 5 It is a schematic diagram of the top view of the bevel gear set of the present invention; Figure 6 It is a schematic diagram of the side sectional structure of the limiting sleeve of the present invention.

[0015] In the figure: 1. bottom sleeve; 2. top sleeve; 3. mounting block; 4. screw; 5. horizontal bar; 51. movable groove; 6. frame plate; 7. side plate; 8. middle sleeve; 81. connecting sleeve; 82. spring; 9. driving seat; 10. elastic telescopic rod; 11. driving rod; 111. bevel gear group; 1111. first limiting rod; 1112. first limiting groove; 12. angle adjustment assembly; 121. gear roller; 122. gear; 123. limiting sleeve; 1231. second limiting rod; 1232. second limiting groove; 124. cam. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 6 The present invention provides a technical solution: a highly adaptable edge-inserting mold for a film blowing machine, a bottom sleeve 1, a top sleeve 2, a mounting block 3, a screw 4, a horizontal bar 5, a movable groove 51, a frame plate 6, an edge-inserting plate 7, a middle sleeve 8, a connecting sleeve 81, a spring 82, a driving seat 9, an elastic telescopic rod 10, a driving rod 11, a bevel gear group 111, a first limiting rod 1111, a first limiting groove 1112, an angle adjustment component 12, a gear roller 121, a gear 122, a limiting sleeve 123, a second limiting rod 1231, a second limiting groove 1232 and a cam 124.

[0018] Example 1: Please refer to Figure 1-Figure 5 , mounting blocks 3 are slidably arranged in the cavities on both sides of the bottom sleeve 1, and screws 4 are rotatably installed on the outer side of the mounting blocks 3 and in the cavities on both sides of the top sleeve 2, and a horizontal bar 5 is provided on the threaded sleeve of the screw 4, and the outer end of the horizontal bar 5 on the outer side of the mounting block 3 is slidably arranged in the movable groove 51, the movable groove 51 is opened on the inner side of the frame plate 6, and the outer side of the frame plate 6 is fixed with an insert plate 7, the bottom sleeve 1 and the top sleeve 2 are respectively arranged below and above the frame plate 6, and the horizontal bars 5 at both ends of the top sleeve 2 are rotatably connected with the frame plate 6; the middle sleeve 8 is arranged between the bottom sleeve 1 and the top sleeve 2, and the middle sleeve A screw rod 4 is rotatably installed in the cavities at both ends of 8, and a horizontal bar 5 is provided on the threaded sleeve of the screw rod 4. The end of the horizontal bar 5 on the outer side of the middle sleeve 8 is slidably installed in the movable groove 51 on the inner side of the frame plate 6. The top of the bottom sleeve 1 is connected to a driving seat 9 through an elastic telescopic rod 10, and a driving rod 11 is connected to the driving seat 9 through a built-in motor. The upper limit sliding sleeve of the driving rod 11 is provided with a bevel gear group 111, and the bevel gear group 111 is embedded and rotatably installed in the middle sleeve 8, and the driving rod 11 is connected to the screw rod 4 in the top sleeve 2 and the middle sleeve 8 through the bevel gear group 111; The horizontal bar 5 fits and slides in the side cavities of the bottom sleeve 1, the top sleeve 2 and the middle sleeve 8 through the screw rod 4, and the outer end of the horizontal bar 5 is designed as a spherical structure to fit and slide in the movable groove 51; the length of the horizontal bar 5 increases from top to bottom, and the two frame plates 6 on the outside of the horizontal bar 5 are diagonally inclined; a connecting sleeve 81 is installed on the top of the middle sleeve 8 through a spring 82, and the connecting sleeve 81 is installed on the driving rod 11 through a bearing sleeve; a first limiting rod 1111 is fixed inside the middle area of ​​the bevel gear group 111, and the first limiting rod 1111 is slidably arranged in the first limiting groove 1112, and the first limiting groove 1112 is opened on the outside of the driving rod 11; The driving rod 11 is driven to rotate by the built-in motor of the driving seat 9, and the driving rod 11 drives the screw 4 in the top sleeve 2 and the middle sleeve 8 to rotate through the bevel gear group 111, thereby driving the horizontal bar 5 in the top sleeve 2 and the middle sleeve 8 to move horizontally, pushing the two side frames 6 and the side inserting plates 7 to move in opposite directions, so as to achieve the adjustment of the width; Example 2: Based on Example 2, please refer to Figure 1-Figure 6 The angle adjustment component 12 is embedded in the bottom sleeve 1, and is used to push the bottom of the frame plate 6 to adjust its angle. The angle adjustment component 12 includes a gear roller 121, and the gear roller 121 is embedded in the bottom sleeve 1 through a motor, and a gear 122 is meshed at the bottom of the gear roller 121, and the gear 122 is sleeved on a limiting sleeve 123, and the limiting sleeve 123 is limitedly rotatably installed in the bottom sleeve 1, and is connected to the inner end of the screw 4 in the limiting sleeve 123, and a cam 124 is sleeved on the gear roller 121, and the cam 124 is arranged below the driving seat 9; a second limiting rod 1231 is fixed on the inner wall of the limiting sleeve 123, and the second limiting rod 1231 is slidably arranged in the second limiting groove 1232, and the second limiting groove 1232 is provided on the outer side of the smooth surface of the inner end of the screw 4; the limiting sleeve 123 drives the screw 4 in the bottom sleeve 1 to rotate through the second limiting rod 1231 and the second limiting groove 1232, and the square structure on the screw 4 in the bottom sleeve 1 slides in the bottom sleeve 1; When the angle needs to be adjusted, the motor in the bottom sleeve 1 drives the gear roller 121 to rotate, which can drive the limit sleeve 123 to rotate, and the screw rod 4 in the bottom sleeve 1 drives the cross bar 5 to move, adjust the bottom position of the frame plate 6, and cooperate with the upward movement of the middle sleeve 8 to achieve overall angle adjustment and stable support.

[0019] Working principle: When using the highly adaptable inserting edge mold for the film blowing machine, first, when the width needs to be adjusted, the motor in the driving seat 9 drives the driving rod 11 to rotate, and the driving rod 11 drives the bevel gear group 111 to rotate through the first limiting rod 1111 and the first limiting groove 1112, thereby driving the screw 4 in the top sleeve 2 and the middle sleeve 8 to rotate, and the screw 4 drives the corresponding horizontal bar 5 to move, pushing the frame plates 6 and the inserting edge plates 7 on both sides to move toward each other, and at the same time pulls the bottom horizontal bar 5 to move through the movable groove 51, so that the bottom horizontal bar 5 pulls the mounting block 3 to move in the bottom sleeve 1 through the screw 4; When adjusting the angle, the gear roller 121 is driven to rotate by the motor in the bottom sleeve 1, and the gear roller 121 is engaged with the gear 122 to drive the limiting sleeve 123 to rotate, so that the limiting sleeve 123 drives the screw 4 to rotate through the second limiting rod 1231 and the second limiting groove 1232, and pushes the horizontal bar 5 on the screw 4 to move. The horizontal bar 5 slides in the movable groove 51 to push the bottom of the frame plate 6 to move, so that the top of the frame plate 6 rotates around the horizontal bar 5 on the outside of the top sleeve 2 to adjust the angle of the frame plate 6 and the side plate 7. In this process, the gear roller 121 drives the cam 124 to rotate, which can push the driving seat 9 to move vertically, and the driving rod 11 on the driving seat 9 pushes the connecting sleeve 81 to move, so that the horizontal bar 5 on the outside of the middle sleeve 8 slides in the movable groove 51. In order to adapt to the movement of the horizontal bar 5 on the outside of the sleeve 8 in different slope areas, the connecting sleeve 81 and the spring 82 apply an elastic force to the middle sleeve 8, ensuring that the middle sleeve 8 can move while allowing multiple middle sleeves 8 to move adaptively, so as to ensure the overall stability.

[0020] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. In the description of the present invention, unless otherwise specified, "multiple" means two or more; the orientation or position relationship 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 relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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. A highly adaptable inserting edge mold for a film blowing machine, comprising a bottom sleeve (1) and a top sleeve (2), wherein mounting blocks (3) are slidably arranged in cavities on both sides of the bottom sleeve (1), and screws (4) are rotatably arranged on the outer side of the mounting blocks (3) and in the cavities on both sides of the top sleeve (2), wherein a horizontal bar (5) is provided on the threaded sleeve of the screw (4), and the outer end of the horizontal bar (5) on the outer side of the mounting block (3) is slidably arranged in a movable groove (51), wherein the movable groove (51) is provided on the inner side of a frame plate (6), and an inserting edge plate (7) is fixed on the outer side of the frame plate (6), wherein the bottom sleeve (1) and the top sleeve (2) are respectively arranged below and above the frame plate (6), and the horizontal bars (5) at both ends of the top sleeve (2) are rotatably connected to the frame plate (6); Features: It also comprises a middle sleeve (8), the middle sleeve (8) being arranged between the bottom sleeve (1) and the top sleeve (2), and screw rods (4) being rotatably mounted in cavities at both ends of the middle sleeve (8), and a cross bar (5) being provided on the threaded sleeve of the screw rod (4), and the end of the cross bar (5) on the outside of the middle sleeve (8) being slidably mounted in a movable groove (51) on the inside of the frame plate (6), the top of the bottom sleeve (1) being connected to a driving seat (9) via an elastic telescopic rod (10), and a driving rod (11) being connected to the driving seat (9) via a built-in motor, an upper limit sliding sleeve of the driving rod (11) being provided with a bevel gear group (111), and the bevel gear group (111) being embedded and rotatably mounted in the middle sleeve (8), and the driving rod (11) being connected to the screw rods (4) in the top sleeve (2) and the middle sleeve (8) via the bevel gear group (111); An angle adjustment component (12), wherein the angle adjustment component (12) is embedded in the bottom sleeve (1), and the angle adjustment component (12) is used to push the bottom of the frame plate (6) to move so as to adjust its angle.

2. The highly adaptable inserting edge mold for a film blowing machine according to claim 1, characterized in that: The cross bar (5) fits and slides in the side cavities of the bottom sleeve (1), the top sleeve (2) and the middle sleeve (8) through the screw rod (4), and the outer end of the cross bar (5) is designed as a spherical structure to fit and slide in the movable groove (51) with limited position.

3. The highly adaptable inserting edge mold for a film blowing machine according to claim 1, characterized in that: The length of the horizontal bar (5) increases from top to bottom, and the two frame plates (6) outside the horizontal bar (5) are diagonally inclined.

4. The highly adaptable inserting edge mold for a film blowing machine according to claim 1, characterized in that: A connecting sleeve (81) is installed above the middle sleeve (8) via a spring (82), and the connecting sleeve (81) is installed on the driving rod (11) via a bearing sleeve.

5. The highly adaptable inserting edge mold for a film blowing machine according to claim 1, characterized in that: A first limiting rod (1111) is fixed inside the middle area of ​​the bevel gear group (111), and the first limiting rod (1111) is slidably arranged in the first limiting groove (1112), and the first limiting groove (1112) is opened on the outside of the driving rod (11).

6. The highly adaptable inserting edge mold for a film blowing machine according to claim 1, characterized in that: The angle adjustment assembly (12) comprises a gear roller (121), and the gear roller (121) is embedded in the bottom sleeve (1) through a motor, and a gear (122) is meshed at the bottom of the gear roller (121), and the gear (122) is sleeved on a limit sleeve (123), and the limit sleeve (123) is installed in the bottom sleeve (1) for limited rotation, and the inside of the limit sleeve (123) is connected to the inner end of the screw rod (4), and a cam (124) is sleeved on the gear roller (121), and the cam (124) is arranged below the drive seat (9).

7. The highly adaptable inserting edge mold for a film blowing machine according to claim 6, characterized in that: A second limiting rod (1231) is fixed on the inner wall of the limiting sleeve (123), and the second limiting rod (1231) is slidably arranged in the second limiting groove (1232), and the second limiting groove (1232) is provided on the outer side of the smooth surface of the inner end of the screw rod (4).

8. The highly adaptable inserting edge mold for a film blowing machine according to claim 7, characterized in that: The limiting sleeve (123) drives the screw rod (4) in the bottom sleeve (1) to rotate via the second limiting rod (1231) and the second limiting groove (1232), and the square structure on the screw rod (4) in the bottom sleeve (1) fits and slides in the bottom sleeve (1).

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