Spacing-adjustable limiting device for release paper conveying

By designing a limiting optical shaft and a bidirectional threaded screw structure, the problem of fixed spacing in traditional release paper conveying limiting devices is solved, enabling convenient spacing adjustment and improving production efficiency.

CN224242344UActive Publication Date: 2026-05-15KUNSHAN HUAGUAN TRADEMARK PRINTING
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN HUAGUAN TRADEMARK PRINTING
Filing Date
2025-04-03
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Traditional release paper conveying limit devices have fixed spacing, which cannot be flexibly adjusted, resulting in low production efficiency.

Method used

It adopts a limit optical axis and a two-way threaded screw structure. Through the cooperation of the nut slide and the limit baffle, the distance between the limit baffles can be flexibly adjusted. Combined with scale markings and anti-slip handle, it improves the ease of operation.

Benefits of technology

It enables flexible adjustment of the spacing between the limit baffles, improves production efficiency, and adapts to the conveying needs of release paper of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spacing-adjustable limiting device for release paper conveying, and belongs to the technical field of release paper production equipment. Comprising a limiting optical axis, a bidirectional threaded lead screw and two parallel mounting plates. The two ends of the limiting optical axis are connected to the two mounting plates correspondingly, the two-way threaded lead screw is rotationally connected with the two mounting plates, a right-hand thread part and a left-hand thread part on the two-way threaded lead screw are in threaded connection with nut sliding seats correspondingly, and limiting baffles capable of movably arranged on the periphery of the limiting optical axis in a sleeving mode are arranged on the nut sliding seats; the limiting optical shaft is parallel to the two-way threaded screw rod; according to the spacing-adjustable limiting device for release paper conveying, the problems that the spacing of an existing limiting device is fixed, and adjustment is inconvenient are solved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of release paper production equipment, specifically relating to an adjustable spacing limiting device for release paper conveying. Background Technology

[0002] Release paper is widely used in many industrial production processes. For example, in the manufacturing of labels and tapes, release paper acts as a carrier, playing a crucial role in isolating and protecting the adhesive. During the release paper's transport, to ensure stable transmission and prevent issues such as misalignment and wrinkling, the transport position of the release paper needs to be limited. Traditional release paper transport limiting devices mostly have fixed spacing, making it impossible to flexibly adjust for different specifications of release paper. When transporting release paper of different widths, it is necessary to replace it with a matching limiting device, which is cumbersome and seriously affects production efficiency. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an adjustable spacing limit device for release paper conveying, so as to solve the problems of fixed spacing and inconvenient adjustment of existing limit devices.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an adjustable spacing limiting device for release paper conveying, comprising a limiting optical shaft, a bidirectional threaded screw, and two parallel mounting plates;

[0005] Wherein, the two ends of the limiting optical shaft are respectively connected to the two mounting plates, the bidirectional threaded screw is rotatably connected to the two mounting plates, and the positive thread and the negative thread on the bidirectional threaded screw are respectively threadedly connected to the nut slide, and the nut slide is provided with a limiting baffle that can be movably sleeved on the outer periphery of the limiting optical shaft;

[0006] The limiting optical axis is arranged parallel to the bidirectional threaded lead screw.

[0007] Optionally, one end of the bidirectional threaded screw passes through the mounting plate, and the end of the bidirectional threaded screw extending out of the mounting plate is provided with an anti-slip handle.

[0008] Optionally, the outer periphery of the limiting optical axis is provided with scale markings along its axial direction.

[0009] Optionally, the surface of the limiting optical axis is provided with a wear-resistant coating.

[0010] Optionally, the nut slide and the limiting baffle are connected by bolts and nuts.

[0011] Optionally, the end and outer periphery of the bidirectional threaded screw are rotatably connected to the mounting plate via bearings.

[0012] Optionally, both ends of the limiting optical axis pass through the mounting plate, and the stepped surface at the end of the limiting optical axis can abut against the inner side of the mounting plate. A fixing nut is threaded to one end of the limiting optical axis that passes through the mounting plate, and one side of the fixing nut can abut against the outer side of the mounting plate.

[0013] Optionally, each of the nut slides is rotatably connected to multiple limiting baffles, and the side of the multiple limiting baffles used to limit the release paper feeding position is located on the same plane. The mounting plate is provided with multiple arc-shaped grooves arranged in a circumferential array around the rotation axis of the bidirectional threaded screw, and the multiple limiting baffles can be movably sleeved on the outer periphery of the multiple limiting optical shafts respectively. The ends of the multiple limiting optical shafts can be movably inserted into the arc-shaped grooves, and the ends of the limiting optical shafts can be fixed at any position on the arc-shaped grooves by the fixing nuts.

[0014] Compared with the prior art, the beneficial effects achieved by this utility model are as follows: the limiting optical axis can provide rigid linear guidance for the limiting baffle, and through the cooperation of the positive thread and negative thread on the bidirectional threaded screw with the nut slide, when the bidirectional threaded screw is rotated, the two sets of limiting baffles connected to the two nut slides can move synchronously in opposite directions, so that the distance between the limiting baffles can be flexibly adjusted according to the width of the release paper, making the operation more convenient. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a schematic diagram of the adjustable spacing limiting device for release paper conveying in a preferred embodiment of the present invention;

[0017] Figure 2 This is a schematic diagram of the adjustable spacing limiting device for release paper conveying in the preferred embodiment of this utility model;

[0018] The components include: 1. Limiting optical axis; 2. Bidirectional threaded screw; 3. Mounting plate; 301. Arc groove; 4. Nut slide; 5. Limiting baffle; 6. Anti-slip handle; 7. Fixing nut. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. These drawings are simplified schematic diagrams, which are only used to illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0020] It should be noted that if directional indicators (such as up, down, bottom, top, etc.) are involved in this embodiment, these directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" and "second" may explicitly or implicitly include one or more of that feature. Unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. Example 1

[0021] like Figure 1 As shown, an adjustable spacing limiting device for release paper conveying includes a limiting optical shaft 1, a bidirectional threaded screw 2, and two parallel mounting plates 3. The two ends of the limiting optical shaft 1 are respectively connected to the two mounting plates 3. The bidirectional threaded screw 2 is rotatably connected to the two mounting plates 3, and the positive and negative threads on the bidirectional threaded screw 2 are respectively threaded to nut slides 4. Each nut slide 4 is provided with a limiting baffle 5 that can be movably fitted around the outer periphery of the limiting optical shaft 1. The parallel arrangement of the limiting optical shaft 1 and the bidirectional threaded screw 2 provides rigid linear guidance for the limiting baffle 5. Through the cooperation of the positive and negative threads on the bidirectional threaded screw 2 with the nut slides 4, when the bidirectional threaded screw 2 is rotated, the two sets of limiting baffles 5 connected to the two nut slides 4 can move synchronously in opposite directions. This allows for flexible adjustment of the spacing between the limiting baffles 5 according to the width of the release paper, making operation more convenient.

[0022] The adjustable spacing limit device for release paper conveying in this technical solution is not only suitable for release paper conveying, but also for conveying and limiting other materials (such as fog film and glossy film).

[0023] Furthermore, such as Figure 1 As shown, one end of the bidirectional threaded screw 2 passes through the mounting plate 3, and the end of the bidirectional threaded screw 2 that extends out of the mounting plate 3 is provided with an anti-slip handle 6. The surface of the anti-slip handle 6 is provided with anti-slip texture to facilitate the operator to apply force and thus easily rotate the bidirectional threaded screw 2 to adjust the distance between the limit baffles 5.

[0024] Furthermore, to facilitate observation of the distance between the limiting baffles 5, a scale mark (not shown in the figure) is provided on the outer periphery of the limiting optical axis 1 along its axial direction. Based on the position of the inner side of the limiting baffle 5 on the scale mark, the distance between the limiting baffles 5 can be easily read.

[0025] It should be noted that in this technical solution, the surface of the limiting optical axis 1 is provided with a wear-resistant coating to reduce the wear of the limiting baffle 5 when sliding on the limiting optical axis 1 and increase the service life of the limiting optical axis 1.

[0026] The above, such as Figure 1 As shown, the nut slide 4 and the limiting baffle 5 are connected by bolts and nuts, allowing for the replacement of the limiting baffle 5 with other specifications according to usage requirements. Specifically, flange mounting holes are provided at corresponding positions on the nut slide 4 and the limiting baffle 5. The threaded portion of the bolt can pass through the flange mounting hole on the nut slide 4 and be threadedly connected to the flange mounting hole on the limiting baffle 5. Alternatively, the bolt portion can pass through the flange mounting hole on the limiting baffle 5 and be threadedly connected to the flange mounting hole on the nut slide 4.

[0027] In this embodiment, the end and outer periphery of the bidirectional threaded screw 2 are rotatably connected to the mounting plate 3 via bearings to reduce the resistance during rotation of the bidirectional threaded screw 2, making it easier for operators to operate and reducing maintenance frequency. Meanwhile, both ends of the limiting optical shaft 1 pass through the mounting plate 3, and the stepped surface at the end of the limiting optical shaft 1 abuts against the inner side of the mounting plate 3. A fixing nut 7 is threaded onto one end of the limiting optical shaft 1 that extends out of the mounting plate 3. One side of the fixing nut 7 can abut against the outer side of the mounting plate 3, so that when the fixing nut 7 is tightened, both ends of the limiting optical shaft 1 can be fixed to the two mounting plates 3 respectively. Example 2

[0028] The implementation method differs from that of Example 1, such as Figure 2As shown, each nut slide 4 is rotatably connected to multiple limiting baffles 5. Specifically, the multiple limiting baffles 5 can be rotatably connected to the nut slide 4 via one or more bearings, and the sides of the multiple limiting baffles 5 used to limit the release paper feeding position are located on the same plane. The rotation axis of the multiple limiting baffles 5 is collinear with the rotation axis of the bidirectional threaded screw 2. At the same time, the mounting plate 3 is provided with multiple arc-shaped grooves 301 arranged in a circumferential array around the rotation axis of the bidirectional threaded screw 2, and the multiple limiting baffles 5 can be movably fitted onto the outer circumference of the multiple limiting optical shafts 1 respectively. The ends of the multiple limiting optical shafts 1 can be movably inserted into the arc-shaped grooves 301, and the ends of the limiting optical shafts 1 can be fixed at any position on the arc-shaped grooves 301 by fixing nuts 7. This allows the limiting optical shafts 1 to move along the arc-shaped grooves 301 when the fixing nuts 7 connected to the ends of the limiting optical shafts 1 are loosened, that is, the limiting optical shafts 1 can perform circumferential motion around the bidirectional threaded screw 2 within the range of the arc-shaped grooves 301. This allows the limiting optical axis 1 and the limiting baffle 5 to be flexibly adjusted in position according to usage requirements, thus meeting different usage needs.

[0029] Working principle: The limiting optical shaft 1 provides rigid linear guidance for the limiting baffle 5. The positive and negative threads on the bidirectional threaded screw 2 cooperate with the nut slide 4, so that when the bidirectional threaded screw 2 is rotated by the anti-slip handle 6, the two sets of limiting baffles 5 connected to the two nut slides 4 can move synchronously in opposite directions. This allows the spacing between the limiting baffles 5 to be flexibly adjusted according to the width of the release paper, making the operation more convenient.

[0030] Based on the preferred embodiments of this utility model described above, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A release paper conveying adjustable spacing limiting device, characterized in that: It includes a limiting optical axis (1), a bidirectional threaded screw (2), and two parallel mounting plates (3); Wherein, the two ends of the limiting optical shaft (1) are respectively connected to the two mounting plates (3), the bidirectional threaded screw (2) is rotatably connected to the two mounting plates (3), and the positive thread part and the negative thread part on the bidirectional threaded screw (2) are respectively threadedly connected to the nut slide (4), and the nut slide (4) is provided with a limiting baffle (5) that can be movably sleeved on the outer periphery of the limiting optical shaft (1); The limiting optical axis (1) is arranged parallel to the bidirectional threaded screw (2); Each of the nut slides (4) is rotatably connected to multiple limiting baffles (5), and the side of the multiple limiting baffles (5) used to limit the release paper conveying position is located on the same plane. The mounting plate (3) is provided with multiple arc-shaped grooves (301) arranged in a circular array around the rotation axis of the bidirectional threaded screw (2). The multiple limiting baffles (5) can be movably sleeved on the outer periphery of the multiple limiting optical shafts (1) respectively. The ends of the multiple limiting optical shafts (1) can be movably inserted into the arc-shaped grooves (301), and the ends of the limiting optical shafts (1) can be fixed at any position on the arc-shaped grooves (301) by fixing nuts (7).

2. The adjustable spacing limiting device for release paper conveying according to claim 1, characterized in that: One end of the bidirectional threaded screw (2) passes through the mounting plate (3), and the end of the bidirectional threaded screw (2) that extends out of the mounting plate (3) is provided with an anti-slip handle (6).

3. The adjustable spacing limiting device for release paper conveying according to claim 1, characterized in that: The outer periphery of the limiting optical axis (1) is provided with scale markings along its axial direction.

4. The adjustable spacing limiting device for release paper conveying according to claim 1, characterized in that: The surface of the limiting optical axis (1) is provided with a wear-resistant coating.

5. The adjustable spacing limiting device for release paper conveying according to claim 1, characterized in that: The nut slide (4) and the limiting baffle (5) are connected by bolts and nuts.

6. The adjustable spacing limiting device for release paper conveying according to claim 1, characterized in that: The end and outer periphery of the bidirectional threaded screw (2) are rotatably connected to the mounting plate (3) via bearings.

7. The adjustable spacing limiting device for release paper conveying according to claim 1, characterized in that: The two ends of the limiting optical axis (1) pass through the mounting plate (3) respectively, and the stepped surface at the end of the limiting optical axis (1) can abut against the inner side of the mounting plate (3). A fixing nut (7) is threadedly connected to one end of the limiting optical axis (1) that passes through the mounting plate (3), and one side of the fixing nut (7) can abut against the outer side of the mounting plate (3).