A double-rail structure for achieving longitudinal retraction of a cross-drawing machine

Abstract

This utility model belongs to the field of high-end thin film manufacturing technology, such as ultra-thin functional films, and discloses a double-track structure for realizing longitudinal retraction of a horizontal stretching machine. Adjacent articulated arms are linearly connected by connecting plates, forming a linear structure. One end of the linear structure is fixed, and the other end is connected to a moving mechanism. The base is slidably mounted on the slide rail via a first ball screw structure. Each base has two articulated arm bases, each with an elongated hole, designated as the first articulated arm base and the second articulated arm base, respectively. The upper slide rail is movably mounted on the second articulated arm base via a second ball screw structure. When adjusting longitudinal retraction, rotating the second ball screw structure adjusts the spacing between the guide rail plates on the same side, thereby changing the distance between adjacent clamps. When adjusting lateral stretching and lateral contraction, rotating the first ball screw structure adjusts the spacing between the left and right articulated arms, thereby changing the lateral distance between the clamps on both sides.

Description

Technical Field

[0001] This utility model relates to the field of high-end thin film manufacturing technology, such as ultra-thin functional films, and in particular to a double-track structure for realizing longitudinal retraction of a horizontal stretching machine. Background Technology

[0002] The transverse stretching machine is used for the transverse stretching of films in the production of stretched films. Traditional transverse stretching machines use a single-rail structure, which has low structural strength and cannot withstand the transverse tensile force generated during retraction. Even a retraction rate of 10% will cause the retraction rod to deform and fail. Utility Model Content

[0003] The purpose of this invention is to propose a double-track structure for longitudinal retraction of a transverse stretching machine. By adjusting the spacing of the guide rails, the clamp pitch can be adjusted, thereby achieving controllable longitudinal retraction of the diaphragm.

[0004] The technical solution of this utility model is as follows: a double-rail structure for realizing the longitudinal retraction of a horizontal stretching machine, including a guide rail plate, a joint arm, a clamp, an upper slide rail, a slide rail, a joint arm base, a base, and a connecting plate;

[0005] The guide rail plate is divided into fixed guide rails and movable guide rails; the clamp is installed on the guide rail plate and is located inside the fixed guide rails and movable guide rails;

[0006] The articulated arms are provided in multiple ways, and adjacent articulated arms are linearly connected by connecting plates to form a linear structure. One end of the linear structure is fixed and the other end is connected to the moving mechanism.

[0007] A cam bearing follower is installed at the bottom of the base and is slidably mounted on the slide rail via a first ball screw structure.

[0008] Two articulated arm bases are installed on each base, each with an elongated hole, namely the first articulated arm base and the second articulated arm base; the articulated arm is divided into the first articulated arm and the second articulated arm.

[0009] One end of the first connecting structure passes through the elongated hole in the base of the first articulated arm, and the other end is connected to the first articulated arm via a connecting plate; the fixed guide rail is connected to the first articulated arm.

[0010] The upper slide rail is movably mounted on the base of the second articulated arm via a second ball screw structure; one end of the second connecting structure passes through the elongated hole in the base of the second articulated arm, and the other end passes through the upper slide rail and the connecting plate to connect to the second articulated arm; the movable guide rail is connected to the second articulated arm.

[0011] The first ball screw structure includes a copper nut b and a screw; the copper nut b is located on the base, and the screw is located on the slide rail. When the copper nut b is rotated, the base moves along the direction of the screw on the slide rail.

[0012] The second ball screw structure includes a copper nut a and a threaded shaft; the threaded shaft is fixed on the base of the second articulated arm, and the copper nut a is located inside the upper slide rail; when the copper nut a is rotated, the upper slide rail moves on the base of the second articulated arm along the direction of the threaded shaft.

[0013] The articulated arm is fixed to the connecting plate by pin b and screws.

[0014] The first connecting structure and the second connecting structure have the same structure, both including pin a and pin c; one end of pin a is located in the elongated hole of the articulated arm base, and one end of pin c passes through the connecting plate and is connected to the other end of pin a by bolt.

[0015] The beneficial effects of this utility model are as follows: The dual-track structure proposed in this utility model enables longitudinal retraction of the transverse stretching machine, thereby changing the distance between the two tracks. Through the articulated arm linearly connected to the connecting plate, the relative distance between the chain clamps of the membrane in the two tracks changes in the lateral and longitudinal directions, thus stably realizing the longitudinal retraction, lateral stretching, and contraction of the membrane. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a double-rail structure for achieving longitudinal retraction of a horizontal stretching machine.

[0017] Figure 2 This is an exploded view of a double-rail structure that enables longitudinal retraction of a horizontal pulling machine.

[0018] Figure 3 This is a partial schematic diagram of a double-rail structure that enables longitudinal retraction of a horizontal drawing machine.

[0019] Figure 4 This is a schematic diagram of the entire rail used in a double-rail structure that enables longitudinal retraction of a horizontal pulling machine.

[0020] Figure 5 This is a partial top view of a double-rail structure that enables longitudinal retraction of a horizontal stretching machine.

[0021] In the diagram: 1-guide rail plate, 2-articular arm, 3-clamp, 4-threaded shaft, 5-copper nut a, 6-upper slide rail, 7-lead screw, 8-slide rail, 9-copper nut b, 10-articular arm base, 11-base, 12-connecting plate, 13-pin a, 14-pin b, 15-pin c, 16-screw, 17-cam bearing follower. Detailed Implementation

[0022] like Figures 1-5 As shown, a double-rail structure for realizing the longitudinal retraction of a horizontal stretching machine includes a guide rail plate 1, a joint arm 2, a clamp 3, an upper slide rail 6, a slide rail 8, a joint arm base 10, a base 11, and a connecting plate 12.

[0023] The guide plate 1 is divided into a fixed guide rail and a movable guide rail; the clamp 3 is installed on the guide plate 1 and is located inside the fixed guide rail and the movable guide rail; the front clamp is located on the fixed guide rail and the rear clamp is located on the movable guide rail.

[0024] The articulated arm 2 is provided in multiple ways. Adjacent articulated arms 2 are linearly connected by connecting plates 12 to form a linear structure. One end of the linear structure is fixed and the other end is connected to the moving mechanism.

[0025] A cam bearing follower 17 is mounted on the bottom of the base 11 and is slidably mounted on the slide rail 8 via a first ball screw structure;

[0026] Two articulated arm bases 10 are installed on each base 11, each with an elongated hole, namely the first articulated arm base and the second articulated arm base; the articulated arm 2 is divided into the first articulated arm and the second articulated arm.

[0027] One end of the first connecting structure passes through the elongated hole in the base of the first articulated arm, and the other end is connected to the first articulated arm via the connecting plate 12; the fixed guide rail is connected to the first articulated arm;

[0028] The upper slide rail 6 is movably mounted on the base of the second joint arm via the second ball screw structure; one end of the second connecting structure passes through the elongated hole of the base of the second joint arm, and the other end passes through the upper slide rail 6 and the connecting plate 12 to connect to the second joint arm; the moving guide rail is connected to the second joint arm.

[0029] The first ball screw structure includes a copper nut b9 and a screw 7; the copper nut b9 is located on the base 11, and the screw 7 is located on the slide rail 8. When the copper nut b9 is rotated, the base 11 moves along the screw direction on the slide rail 8.

[0030] The second ball screw structure includes a copper nut a5 and a threaded shaft 4; the threaded shaft 4 is fixed on the base of the second articulated arm, and the copper nut a5 is located inside the upper slide rail 6; when the copper nut a5 is rotated, the upper slide rail 6 moves along the direction of the threaded shaft 4 on the base of the second articulated arm.

[0031] The articulated arm 2 is fixed to the connecting plate 12 by pin b14 and screw 16.

[0032] The first connection structure and the second connection structure have the same structure, both including pin a13 and pin c15; one end of pin a13 is located in the elongated hole of the articulated arm base 10, and one end of pin c15 passes through the connecting plate 12 and is connected to the other end of pin a13 by bolts.

[0033] The fixed guide rail remains stationary along its width. One end of the linear structure consisting of the second articulated arm is fixed, while the other end moves with the moving mechanism, causing the moving guide rail to move along the width of the upper slide rail 6. Since the articulated arm 2 is a fixed-length structure, a slight rotation of the articulated arm 2 will result in movement along the length of the moving guide rail. Therefore, through the cooperation of pins a13 and c15, the articulated arm 2 can move flexibly on the articulated arm base 10 along with the upper slide rail 6. The fixed guide rail, due to the action of the clamps 3, will also experience slight movement along its length, and through the cooperation of pins a13 and c15, it can move flexibly within the elongated hole of the articulated arm base 10. The change in the distance between the fixed track plate and the moving track plate changes the spacing of the clamps 3, thereby changing the distance between adjacent clamps 3 and achieving longitudinal retraction.

[0034] After the double-rail structure that realizes the longitudinal retraction of the horizontal stretching machine is applied to the whole rail, the lateral distance between the two fixed guide rails can be adjusted by adjusting the first ball screw. The lateral distance is first increased to achieve lateral stretching, and then decreased to achieve lateral contraction.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope of the technology disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A double-rail structure for realizing the longitudinal retraction of a horizontal drawing machine, characterized in that, The double-rail structure for achieving longitudinal retraction of the horizontal stretching machine includes a guide rail plate (1), a joint arm (2), a clamp (3), an upper slide rail (6), a slide rail (8), a joint arm base (10), a base (11), and a connecting plate (12). The guide plate (1) is divided into a fixed guide rail and a movable guide rail; the clip (3) is installed on the guide plate (1) and is located inside the fixed guide rail and the movable guide rail; The articulated arm (2) is provided in multiple ways. Adjacent articulated arms (2) are linearly connected by a connecting plate (12) to form a linear structure. One end of the linear structure is fixed and the other end is connected to the moving mechanism. A cam bearing follower (17) is installed at the bottom of the base (11) and is slidably mounted on the slide rail (8) through the first ball screw structure; Two articulated arm bases (10) are installed on each base (11), each with an elongated hole, namely the first articulated arm base and the second articulated arm base; The articulated arm (2) is divided into a first articulated arm and a second articulated arm; One end of the first connecting structure passes through the elongated hole in the base of the first articulated arm, and the other end is connected to the first articulated arm via the connecting plate (12); the fixed guide rail is connected to the first articulated arm; The upper slide rail (6) is mounted on the base of the second articulated arm via the second ball screw structure; One end of the second connecting structure passes through the long hole in the base of the second articulated arm, and the other end passes through the upper slide rail (6) and the connecting plate (12) to connect to the second articulated arm; the movable guide rail is connected to the second articulated arm.

2. The double-rail structure for realizing the longitudinal retraction of the horizontal drawing machine according to claim 1, characterized in that, The first ball screw structure includes a copper nut b (9) and a screw (7); the copper nut b (9) is located on the base (11) and the screw (7) is located on the slide rail (8). When the copper nut b (9) is rotated, the base (11) moves along the screw direction on the slide rail (8).

3. The double-rail structure for realizing the longitudinal retraction of the horizontal drawing machine according to claim 1, characterized in that, The second ball screw structure includes a copper nut a (5) and a threaded shaft (4); the threaded shaft (4) is fixed on the base of the second articulated arm, and the copper nut a (5) is located inside the upper slide rail (6); when the copper nut a (5) is rotated, the upper slide rail (6) moves on the base of the second articulated arm along the direction of the threaded shaft (4).

4. The double-rail structure for realizing the longitudinal retraction of the horizontal drawing machine according to claim 1, characterized in that, The articulated arm (2) is fixed to the connecting plate (12) by pin b (14) and screw (16).

5. The double-rail structure for realizing the longitudinal retraction of the horizontal drawing machine according to claim 1, characterized in that, The first connection structure and the second connection structure have the same structure, both including pin a (13) and pin c (15); one end of pin a (13) is located in the elongated hole of the articulated arm base (10), and one end of pin c (15) passes through the connecting plate (12) and is connected to the other end of pin a (13) by bolt.

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