A positioning mechanism for a paper mounting machine

Abstract

This utility model relates to the field of paper mounting machine technology and discloses a positioning mechanism for a paper mounting machine, including four supports symmetrically arranged. The other ends of two side plates are slidably connected to the outer surface of a guide rod. Each side plate has a limiting slide plate mounted on it via a fixing assembly. Lubrication components are installed on the outer surfaces of both side plates. A groove and a mounting slot are formed on the upper surface of each side plate. The fixing assembly includes a slider slidably connected inside the groove. A spring is mounted on one end of the slider, and the other end of the spring is mounted on the inner surface of the groove. A fixing block is mounted on the other end of the slider, with one end of the fixing block penetrating the groove and extending outwards. This utility model's fixing assembly drives the slider to move through the lateral sliding of the cover plate, allowing the fixing block to smoothly disengage from the fixing slot of the limiting slide plate. Combined with a spring compression and reset mechanism, this enables rapid disassembly and installation of the limiting slide plate, significantly simplifying the maintenance process and ensuring production continuity.

Description

Technical Field

[0001] This utility model relates to the field of paper mounting machine technology, specifically a positioning mechanism for a paper mounting machine. Background Technology

[0002] A laminating machine is a very important post-processing equipment in the printing and packaging industry. Its core function is to precisely and firmly bond two different types of paper (usually face paper and backing paper) together.

[0003] The utility model patent application with publication number "CN213947997U" discloses an automatic mounting and positioning mechanism, which mainly consists of a support platform, a support frame, a machine base, a uniform speed motor, a lower power pressure roller, an upper pressure roller, a bearing support, a limit guide post, a fastening nut, and a buffer spring. This technical solution has good positioning effect, convenient operation, strong versatility, and buffering effect.

[0004] The automatic paper mounting and positioning mechanism disclosed in the aforementioned document has the following defects: During the high-speed paper mounting process, the paper continuously slides and rubs against the fixedly installed first and second adjusting limit slides. When the face paper slides down the inclined plate, its edge generates a strong lateral squeezing force with the first limit slide. At the same time, the bottom paper needs to rely on the second limit slide to resist the tendency to deviate during the conveyor belt transport. Since the limit slide is fixed in position, the edge of the paper scrapes the same contact area for a long time, resulting in local groove wear on the surface of the limit slide. The limit slide is usually connected to the screw by a threaded connection. After wear, multiple sets of connecting parts need to be disassembled for replacement, which is cumbersome and affects the continuity of production. Utility Model Content

[0005] The purpose of this utility model is to provide a positioning mechanism for a paper mounting machine, which solves the problem that multiple sets of connecting parts need to be disassembled for replacement after the limit slide is worn, resulting in a cumbersome maintenance process and disruption to production continuity.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a positioning mechanism for a paper mounting machine, comprising four supports symmetrically arranged. A bidirectional screw is rotatably connected between two opposite supports, and a guide rod is installed between two opposite supports. Two side plates are threadedly connected to the outer surface of the bidirectional screw, and the other ends of the two side plates are slidably connected to the outer surface of the guide rod. Limiting slides are installed on the two side plates via a fixing assembly. Lubrication components are installed on the outer surfaces of the two side plates. A sliding groove and a mounting groove are formed on the upper surface of the side plates. The fixing assembly includes a slider slidably connected inside the sliding groove. A spring is installed at one end of the slider, and the other end of the spring is installed on the inner surface of the sliding groove. A fixing block is installed at the other end of the slider, and one end of the fixing block extends outward through the sliding groove.

[0008] Furthermore, a cover plate is installed on the upper surface of the slider, and the cover plate is located on the upper surface of the slide groove.

[0009] Furthermore, the outer surface of the limiting slide plate is provided with a protrusion, the protrusion is fitted into the inside of the mounting groove, one end of the protrusion is provided with a fixing groove, and the fixing block is fitted into the inside of the fixing groove.

[0010] Furthermore, the outer surface of the side plate is provided with a positioning groove, and the outer surface of the limiting slide plate is also provided with a positioning block, which is installed in the positioning groove.

[0011] Furthermore, one end of the fixing block is provided with an inclined surface.

[0012] Furthermore, the lubrication assembly includes a housing, which is mounted on the outer surface of the side plate. A cover is interference-fitted onto the upper surface of the housing. A mounting hole is provided on the outer surface of the housing, and a ball bearing is rotatably connected inside the mounting hole. A sponge block is provided inside the housing.

[0013] This utility model has the following beneficial effects:

[0014] (1) This utility model moves the cover plate laterally, causing the slider to slide horizontally along the slide groove, which forces the spring to compress and contract. At this time, the fixed block moves synchronously with the slider, and its end gradually comes out of the fixed groove of the limiting slide plate. When the fixed block completely exits the fixed groove, the constraint between the protrusion of the limiting slide plate and the mounting groove is released. At this time, the limiting slide plate can be taken out vertically upwards, thereby achieving the effect of quick disassembly.

[0015] (2) This utility model injects lubricating oil into the housing, so that the lubricating oil is absorbed and stored by the sponge block. When the side plate moves along the axis of the bidirectional screw, the housing moves with the side plate. During the movement, the ball is subjected to the friction force of the bidirectional screw, causing the ball to rotate. When the ball rotates, the ball covered with lubricating oil contacts the surface of the bidirectional screw, lubricating the surface of the bidirectional screw. This makes the lubricating oil evenly coated on the surface of the bidirectional screw, thereby reducing the frictional resistance between the side plate and the bidirectional screw, avoiding the jamming of the side plate due to uneven friction, and improving the stability of the side plate movement.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model during assembly;

[0019] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0020] Figure 3 This utility model Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0021] Figure 4 This is a cross-sectional view of the lubrication component structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the overall structure of this utility model during assembly;

[0023] The attached diagram lists the components represented by each number as follows:

[0024] In the diagram: 1. Support; 2. Double-acting screw; 3. Guide rod; 4. Side plate; 401. Slide groove; 402. Mounting groove; 403. Positioning groove; 5. Fixing assembly; 501. Slider; 502. Spring; 503. Fixing block; 504. Cover plate; 6. Limiting slide plate; 601. Protrusion; 602. Fixing groove; 603. Positioning block; 7. Lubrication assembly; 701. Housing; 702. Cover; 703. Ball bearing; 704. Sponge block; 8. Motor; 9. Support platform; 10. Support frame. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-5 As shown, this utility model is a positioning mechanism for a paper mounting machine, including four supports 1, which are symmetrically arranged. A bidirectional screw 2 is rotatably connected between two opposite supports 1, and a guide rod 3 is installed between two opposite supports 1. Two side plates 4 are threadedly connected to the outer surface of the bidirectional screw 2. The other ends of the two side plates 4 are slidably connected to the outer surface of the guide rod 3. Limiting slide plates 6 are installed on the two side plates 4 through fixing components 5. Lubrication components 7 are installed on the outer surface of the two side plates 4. A sliding groove 401 and a mounting groove 402 are opened on the upper surface of the side plates 4. The fixing components 5 include a slider 501, which is slidably connected inside the sliding groove 401. A spring 502 is installed on one end of the slider 501, and the other end of the spring 502 is installed on the inner surface of the sliding groove 401. A fixing block 503 is installed on the other end of the slider 501. One end of the fixing block 503 passes through the sliding groove 401 and extends outward. A motor 8 is provided on one side of one of the supports 1. The output end of the motor 8 is installed with the bidirectional screw 2 through a coupling.

[0027] Two positioning mechanisms are provided, one of which is installed on the upper surface of the support platform 9 and the other is installed on the upper surface of the support frame 10.

[0028] A cover plate 504 is installed on the upper surface of the slider 501, and the cover plate 504 is located on the upper surface of the slide groove 401;

[0029] The outer surface of the limiting slide plate 6 is provided with a protrusion 601, which is installed in the mounting groove 402. One end of the protrusion 601 is provided with a fixing groove 602, and the fixing block 503 is installed in the fixing groove 602.

[0030] The fixing component 5 drives the slider 501 to move through the lateral sliding of the cover plate 504, so that the fixing block 503 can be smoothly disengaged from the fixing groove 602 of the limiting slide plate 6. With the compression and reset mechanism of the spring 502, the limiting slide plate 6 can be quickly disassembled and installed, which significantly simplifies the maintenance process and ensures production continuity.

[0031] The outer surface of the side plate 4 is provided with a positioning groove 403, and the outer surface of the limiting slide plate 6 is also provided with a positioning block 603, which is installed in the positioning groove 403.

[0032] The design of the positioning block 603 and the positioning groove 403 enables automatic alignment during the installation of the limiting slide plate 6. When the protrusion 601 is inserted into the mounting groove 402, the positioning block 603 is simultaneously engaged in the positioning groove 403, forming a double constraint. This measure can accurately limit the horizontal rotational freedom of the slide plate 6, ensuring that it remains perpendicular to the paper contact surface after installation. At the same time, it eliminates the micro-motion wear caused by assembly gaps and significantly improves positioning stability.

[0033] One end of the fixing block 503 has a bevel;

[0034] The lubrication assembly 7 includes a housing 701, which is mounted on the outer surface of the side plate 4. A cover 702 is interference-fitted onto the upper surface of the housing 701. A mounting hole is provided on the outer surface of the housing 701. A ball bearing 703 is rotatably connected inside the mounting hole. A sponge block 704 is provided inside the housing 701.

[0035] When in use, start the motor 8, which drives the bidirectional screw 2 to rotate, causing the side plate 4 to move along the axis of the guide rod 3. When the distance between the two limit slides 6 is the same as the width of the paper, turn off the motor 8, and then the paper processing operation can be carried out. Before use, open the cover 702 and inject lubricating oil into the housing 701, so that the lubricating oil is absorbed and stored by the sponge block 704. When the side plate 4 moves along the axis of the bidirectional screw 2, the housing 701 moves with the side plate 4. During the movement, the ball bearing 703 is subjected to the friction force of the bidirectional screw 2, causing the ball bearing 703 to rotate. When the ball bearing 703 rotates, the ball bearing 703 covered with lubricating oil contacts the surface of the bidirectional screw 2, lubricating the surface of the bidirectional screw 2, so that the lubricating oil is evenly coated on the surface of the bidirectional screw 2, thereby reducing the frictional resistance between the side plate 4 and the bidirectional screw 2.

[0036] When the limiting slide plate 6 needs to be replaced, the cover plate 504 is moved laterally, causing the slider 501 to slide horizontally along the slide groove 401, forcing the spring 502 to compress. At this time, the fixing block 503 moves synchronously with the slider 501, and its end gradually disengages from the fixing groove 602 of the limiting slide plate 6. When the fixing block 503 has completely exited the fixing groove 602, the constraint between the protrusion 601 of the limiting slide plate 6 and the mounting groove 402 is released. At this time, the limiting slide plate 6 can be directly removed vertically upwards, completing the quick disassembly of the limiting slide plate 6 and the installation of a new limiting slide plate 6. When the protrusion 601 is aligned with the mounting groove 402 of the side plate 4 and pressed down, the positioning block 603 automatically inserts into the positioning groove 403 to achieve initial alignment. At this time, the end of the protrusion 601 contacts the inclined surface of the fixing block 503, pushing the fixing block 503 to retract and gradually squeezing the spring 502 until the protrusion 601 is completely inserted into the mounting groove 402. At this time, the fixing groove 602 reaches one side of the fixing block 503, and the spring 502 releases its elastic force to drive the fixing block 503 to instantly lock into the fixing groove 602 to complete the mechanical locking. The cover plate 504 automatically resets with the slider 501.

[0037] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A positioning mechanism for a paper mounting machine, comprising four supports (1), the four supports (1) being symmetrically arranged, characterized in that: A bidirectional screw (2) is rotatably connected between two opposite supports (1), and a guide rod (3) is installed between the two opposite supports. Two side plates (4) are threadedly connected to the outer surface of the bidirectional screw (2). The other ends of the two side plates (4) are slidably connected to the outer surface of the guide rod (3). The two side plates (4) are equipped with a limit slide plate (6) by a fixing component (5). The outer surface of the two side plates (4) is equipped with a lubrication component (7). The upper surface of the side plate (4) is provided with a sliding groove (401) and a mounting groove (402). The fixing component (5) includes a slider (501) which is slidably connected inside the slide groove (401). A spring (502) is installed at one end of the slider (501), and the other end of the spring (502) is installed on the inner surface of the slide groove (401). A fixing block (503) is installed at the other end of the slider (501), and one end of the fixing block (503) passes through the slide groove (401) and extends outward.

2. A positioning mechanism for a paper mounting machine according to claim 1, characterized in that: A cover plate (504) is installed on the upper surface of the slider (501), and the cover plate (504) is located on the upper surface of the groove (401).

3. A positioning mechanism for a paper mounting machine according to claim 1, characterized in that: The outer surface of the limiting slide plate (6) is provided with a protrusion (601), the protrusion (601) is installed in the interior of the mounting groove (402), one end of the protrusion (601) is provided with a fixing groove (602), and the fixing block (503) is installed in the interior of the fixing groove (602).

4. A positioning mechanism for a paper mounting machine according to claim 1, characterized in that: The outer surface of the side plate (4) is provided with a positioning groove (403), and the outer surface of the limiting slide plate (6) is also provided with a positioning block (603), which is installed in the positioning groove (403).

5. A positioning mechanism for a paper mounting machine according to claim 1, characterized in that: One end of the fixing block (503) has an inclined surface.

6. A positioning mechanism for a paper mounting machine according to claim 1, characterized in that: The lubrication assembly (7) includes a housing (701), which is mounted on the outer surface of the side plate (4). A cover (702) is interference-fitted onto the upper surface of the housing (701). An installation hole is provided on the outer surface of the housing (701). A ball bearing (703) is rotatably connected inside the installation hole. A sponge block (704) is provided inside the housing (701).

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