Autonomous adjusting mechanism of paper pressing system of adsorption type single-sheet machine

Abstract

An automatic adjusting mechanism of an adsorption type single-sheet machine paper pressing system comprises a side wall plate, a plurality of independent upper paper pressing wheel shaft operation mechanisms, a plurality of sets of transmission swing arm assemblies, a second-stage transmission belt wheel, a first-stage transmission belt wheel, a motor installation support, an X-direction driving motor, an upper paper pressing wheel shaft, a lower paper pressing wheel shaft and a working platform. A plurality of groups of upper paper pressing wheel shafts and the V-shaped sliding blocks at the two ends are installed and assembled into a whole, the upper paper pressing wheel shafts can move up and down through four guide columns which are provided with linear bearings and are installed between the fixing plates on the two sides and the working platform, and the moving displacement of the upper paper pressing wheel shafts is limited by limiting sleeves. A plurality of groups of adjustable pressure springs are adopted to apply pressure to an end bearing of the upper paper pressing shaft assembly, and proper pressing force can be adjusted according to needs.

Description

Technical Field

[0001] The invention belongs to the technical field of adsorption type single sheet feeding machines, and in particular relates to an autonomous regulating mechanism of a paper pressing system of an adsorption type single sheet feeding machine. Background Art

[0002] The single-sheet machine is a device that performs directional cutting on sheets of standard paper. The directional cutting content is the cutting path and content that have been planned in advance. These cutting paths and contents have been written into software and stored by software engineers. The file two-digit code corresponding to the cutting content is printed on the paper to be cut. Before the equipment cuts, there is a movable cutting tool, creasing tool, and video detection camera on the equipment. During the inspection process, the QR code is read to retrieve the stored cutting content and cutting trajectory, and then the program is executed to perform cutting, creasing, and other tasks until the work is completed.

[0003] The single-sheet machine's paper pressing system holds down the paper as it is being conveyed. However, the existing paper pressing system does not have an adjustable force function, and is often too tight or too loose. Excessive pressure can damage the paper or cause paper jams, while excessively loose pressure can prevent the paper from being conveyed. Therefore, it is necessary to develop a paper pressing system that can easily adjust the pressure to meet market demand. Summary of the invention

[0004] The purpose of the present invention is to provide an autonomous adjustment mechanism for the paper pressing system of an adsorption-type single-sheet machine, which overcomes the shortcomings of the prior art and uses multiple sets of adjustable compression springs to apply pressure to the end bearing of the upper paper pressing shaft assembly, and can be adjusted to a suitable clamping force as needed.

[0005] To solve the above problems, the technical solutions adopted by the present invention are as follows:

[0006] The self-regulating mechanism of the suction-type sheet-fed press paper system includes side wall panels, multiple independent upper press paper wheel shaft operating mechanisms, multiple sets of transmission swing arm components, secondary transmission pulleys, primary transmission pulleys, motor mounting brackets, X-axis drive motors, upper press paper wheel shafts, lower press paper wheel shafts, and working platforms.

[0007] The lower paper pressing wheel shaft is installed in the working platform, and the working platform is installed on the side wall.

[0008] Each transmission swing arm assembly includes a bearing group, a screw shaft, a transmission swing arm, and a tensioning wheel. The screw shaft in the middle of the transmission swing arm is fastened to the side wall plate, and the transmission swing arm rotates around the screw shaft. The bearing group is arranged at the upper end of the transmission swing arm, and the tensioning wheel is arranged at the lower end of the transmission swing arm.

[0009] Each independent upper paper pressing wheel shaft operating mechanism includes a fixed plate, a pressure adjusting screw, a pressure spring, a limit sleeve, a guide column, and a V-shaped slider. The fixed plate is installed on the outside of the side wall plate, and the working platform is installed on the inside of the side wall plate. The working platform is located at one end where the V-shaped slider is provided and extends to the outside of the side wall plate to form a support platform. The upper part of the V-shaped slider is fixed between the fixed plate and the support platform by a pressure adjusting screw, a pressure spring, a limit sleeve and a guide column. Multiple upper paper pressing wheel shafts form a group. The ends of a group of upper paper pressing wheel shafts extend out of the side wall plate and are fixed to the same V-shaped slider through bearings. Transmission swing arm assemblies are provided on both sides of the V-shaped slider. The transmission swing arm assemblies on both sides are symmetrically installed and the bearing groups are pressed against the sides of the V-shaped slider to form a clamping state.

[0010] The end of the upper paper pressing wheel shaft extends out of the V-shaped slider and is provided with a secondary transmission pulley. The primary transmission pulley is arranged on the side wall panel and is located below the tensioning wheel. The secondary transmission pulley is connected to the tensioning wheel and the primary transmission pulley through the secondary transmission belt. The primary transmission pulley is connected to the X-direction drive motor through the primary transmission belt.

[0011] When the workload increases during operation, it is necessary to reduce the pressure of the upper paper pressing wheel shaft on the lower pressing wheel so that the upper and lower rollers maintain an appropriate amount of pressure. At this time, the function of the mechanism begins to play a role.

[0012] As the workload increases, the tension of the secondary synchronous belt increases. The tension F1 of the secondary synchronous belt acts on the tension wheel, making the transmission swing arm assembly function. The tension F2 is applied to the V-shaped slider through the bearing group in the transmission swing arm assembly. The V-shaped slider generates an upward lift F3 due to the tension F2 on both sides. Under normal circumstances, the tension of the secondary synchronous belt is basically stable within a range, so the lift F3 is also basically stable within a controllable range. The lift F3 can offset the pressure from the upper paper pressing wheel shaft through calculation matching to keep its pressure stable, thereby obtaining stable cutting quality.

[0013] The function of this mechanism is to automatically eliminate the problem of unexpected sudden load increases in the system and keep the system relatively stable.

[0014] Furthermore, there are two groups of upper paper pressing wheel shaft operating mechanisms, each group of upper paper pressing wheel shaft operating mechanisms corresponds to two upper paper pressing wheel shafts, there are four secondary transmission belt pulleys, and there are two primary transmission belt pulleys.

[0015] Furthermore, the primary transmission pulley is an upper and lower movable tensioning pulley.

[0016] Furthermore, there are four groups of transmission swing arm assemblies, and every two groups of transmission swing arm assemblies form a complete clamping and tensioning mechanism.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. Multiple groups of upper paper pressing wheel shafts and V-shaped sliders at both ends are installed as a whole, which can be moved up and down through four guide columns with linear bearings installed between the fixed plates on both sides and the working platform, and their movement is limited by the limit sleeve;

[0019] 2. Use multiple sets of adjustable compression springs to apply pressure to the end bearing of the upper paper pressing shaft assembly, which can be adjusted to the appropriate clamping force as needed;

[0020] 3. Use more integrated working platform components to reduce the impact of manufacturing accuracy issues on cutting quality;

[0021] 4. The X-axis drive system adopts a multi-stage synchronous pulley mechanism to make the equipment more compact and reduce costs; at the same time, it ensures that multiple sets of paper pressing wheels run synchronously;

[0022] 5. The function of this mechanism is to automatically eliminate the problem of unexpected sudden increase in system load and keep the system relatively stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the self-regulating mechanism of the paper pressing system of the adsorption-type single-sheet machine.

[0024] Figure 2 Indicates tension Figure 1 .

[0025] Figure 3 Indicates tension Figure 2 . DETAILED DESCRIPTION

[0026] 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.

[0027] As shown in the figure, the self-regulating mechanism of the paper pressing system of the adsorption-type sheet-fed machine of the present invention comprises a side wall plate 1, a plurality of independent upper paper pressing wheel shaft operating mechanisms 2, a plurality of transmission swing arm assemblies 3, a secondary transmission pulley 4, a primary transmission pulley 5, a motor mounting bracket 6, an X-direction driving motor 7, an upper paper pressing wheel shaft 8, a lower paper pressing wheel shaft 9, and a working platform 10.

[0028] The lower paper pressing wheel shaft 9 is installed in the working platform 10, and the working platform 10 is installed on the side wall plate 1.

[0029] Each transmission swing arm assembly 3 includes a bearing group 31, a screw shaft 32, a transmission swing arm 33, and a tensioning wheel 34. The screw shaft in the middle of the transmission swing arm is fastened to the side wall plate, and the transmission swing arm rotates around the screw shaft. The bearing group is arranged at the upper end of the transmission swing arm, and the tensioning wheel is arranged at the lower end of the transmission swing arm.

[0030] Each independent upper paper pressing wheel shaft operating mechanism 2 includes a fixed plate 21, a pressure adjusting screw 22, a pressure spring 23, a limit sleeve 24, a guide column 25, and a V-shaped slider 26. The fixed plate is installed on the outside of the side wall plate, and the working platform is installed on the inside of the side wall plate. The working platform is located at one end where the V-shaped slider is provided and extends to the outside of the side wall plate to form a support platform. The upper part of the V-shaped slider is fixed between the fixed plate and the support platform by a pressure adjusting screw, a pressure spring, a limit sleeve and a guide column. Multiple upper paper pressing wheel shafts form a group. The ends of a group of upper paper pressing wheel shafts extend out of the side wall plate and are fixed to the same V-shaped slider through bearings. Transmission swing arm assemblies are provided on both sides of the V-shaped slider. The transmission swing arm assemblies on both sides are symmetrically installed and the bearing groups are pressed against the sides of the V-shaped slider to form a clamping state.

[0031] The end of the upper paper pressing wheel shaft extends out of the V-shaped slider and is provided with a secondary transmission pulley. The primary transmission pulley is arranged on the side wall panel and is located below the tensioning wheel. The secondary transmission pulley 4 is connected to the tensioning wheel 34 and the primary transmission pulley 5 through the secondary transmission belt 41. The primary transmission pulley 5 is connected to the X-direction drive motor 7 through the primary transmission belt 51.

[0032] When the workload increases during operation, it is necessary to reduce the pressure of the upper paper pressing wheel shaft on the lower pressing wheel so that the upper and lower rollers maintain an appropriate amount of pressure. At this time, the function of the mechanism begins to play a role.

[0033] As the workload increases, the tension of the secondary synchronous belt increases. The tension F1 of the secondary synchronous belt acts on the tension wheel, making the transmission swing arm assembly function. The tension F2 is applied to the V-shaped slider through the bearing group in the transmission swing arm assembly. The V-shaped slider generates an upward lift F3 due to the tension F2 on both sides. Under normal circumstances, the tension of the secondary synchronous belt is basically stable within a range, so the lift F3 is also basically stable within a controllable range. The lift F3 can offset the pressure from the upper paper pressing wheel shaft through calculation matching to keep its pressure stable, thereby obtaining stable cutting quality.

[0034] The function of this mechanism is to automatically eliminate the problem of unexpected sudden load increases in the system and keep the system relatively stable.

[0035] Furthermore, there are two groups of upper paper pressing wheel shaft operating mechanisms, each group of upper paper pressing wheel shaft operating mechanisms corresponds to two upper paper pressing wheel shafts, there are four secondary transmission belt pulleys, and there are two primary transmission belt pulleys.

[0036] Furthermore, the primary transmission pulley is an upper and lower movable tensioning pulley.

[0037] Furthermore, there are four groups of transmission swing arm assemblies, and every two groups of transmission swing arm assemblies form a complete clamping and tensioning mechanism.

[0038] Furthermore, the guide columns are multiple and are arranged between the fixed plate and the support platform. The V-shaped slider is installed on the guide column through a linear bearing. The limit sleeve is sleeved on the guide column and is located above the V-shaped slider. The lower end of the pressure regulating screw is arranged above the V-shaped slider, and the upper end is installed on the fixed plate. The pressure spring is sleeved on the pressure regulating screw and is located between the fixed plate and the V-shaped slider.

[0039] Working principle: When the workload increases during work, it is necessary to reduce the pressure of the upper paper pressing wheel shaft on the lower pressing wheel so that the upper and lower rollers maintain an appropriate amount of pressure. At this time, the mechanism begins to play a role. When the workload increases, the tension of the secondary synchronous belt increases. The tension F1 of the secondary synchronous belt acts on the tension wheel, so that the transmission swing arm assembly plays a role. The bearing group in the transmission swing arm assembly applies tension F2 to the V-shaped slider. The V-shaped slider is subjected to the tension F2 on both sides and generates an upward lift F3. Under normal circumstances, the tension of the secondary synchronous belt is basically stable within a range, so the lift F3 is also basically stable within a controllable range. The lift F3 can offset the pressure from the upper paper pressing wheel shaft through calculation matching, so that its pressure remains stable, thereby obtaining stable cutting quality. The function of this mechanism is to automatically eliminate the problem of unexpected load surges in the system and keep the system relatively stable.

[0040] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. The self-regulating mechanism of the paper pressing system of the adsorption-type sheet-fed machine is characterized by: It includes side wall panels, multiple independent upper paper pressing wheel shaft operating mechanisms, multiple sets of transmission swing arm components, secondary transmission pulleys, primary transmission pulleys, motor mounting brackets, X-axis drive motors, upper paper pressing wheel shafts, lower paper pressing wheel shafts, and working platforms. The lower paper pressing wheel shaft is installed in the working platform, and the working platform is installed on the side wall plate. Each group of transmission swing arm components includes a bearing group, a screw shaft, a transmission swing arm, and a tensioning wheel. The middle screw shaft of the transmission swing arm is fastened to the side wall plate, and the transmission swing arm rotates around the screw shaft. The bearing group is arranged at the upper end of the transmission swing arm, and the tensioning wheel is arranged at the lower end of the transmission swing arm. Each of the independent upper paper pressing wheel shaft operating mechanisms comprises a fixing plate, a pressure regulating screw, a pressure spring, a limiting sleeve, a guide column, and a V-shaped slider. The fixing plate is mounted on the outer side of the side wall plate, and the working platform is mounted on the inner side of the side wall plate. The working platform is located at one end where the V-shaped slider is provided and extends to the outside of the side wall plate to form a support platform. The upper part of the V-shaped slider is fixed between the fixing plate and the support platform by means of a pressure regulating screw, a pressure spring, a limiting sleeve, and a guide column. A plurality of upper paper pressing wheel shafts form a group, and a group of upper paper pressing wheel shaft ends extend out of the side wall plate and are fixed to the same V-shaped slider through bearings. Transmission swing arm assemblies are arranged on both sides of the V-shaped slider, and the transmission swing arm assemblies on both sides are symmetrically installed and the bearing groups are pressed against the sides of the V-shaped slider to form a clamping shape. The end of the upper paper pressing wheel shaft extends out of the V-shaped slider and is provided with a secondary transmission belt pulley. The primary transmission belt pulley is arranged on the side wall panel and is located below the tensioning wheel. The secondary transmission belt pulley is connected to the tensioning wheel and the primary transmission belt pulley through a secondary transmission belt. The primary transmission belt pulley is connected to the X-axis driving motor through a primary transmission belt.

2. The self-regulating mechanism of the paper pressing system of the adsorption-type sheet-fed machine according to claim 1 is characterized in that: The upper paper pressing wheel shaft operating mechanism is divided into two groups, each group of the upper paper pressing wheel shaft operating mechanism corresponds to two upper paper pressing wheel shafts, the secondary transmission belt pulleys are four, and the primary transmission belt pulleys are two.

3. The self-regulating mechanism of the paper pressing system of the adsorption-type sheet-fed machine according to claim 1 is characterized in that: The primary transmission pulley is an upper and lower movable tensioning pulley.

4. The self-regulating mechanism of the paper pressing system of the adsorption-type sheet-feeding machine according to claim 1 is characterized in that: There are four groups of transmission swing arm assemblies, and every two groups of transmission swing arm assemblies form a complete clamping and tensioning mechanism.

5. The self-regulating mechanism of the paper pressing system of the adsorption-type sheet-fed machine according to claim 1 is characterized in that: There are several guide columns, which are arranged between the fixed plate and the support platform. The V-shaped slider is installed on the guide column through a linear bearing. The limiting sleeve is sleeved on the guide column and is located above the V-shaped slider.

6. The self-regulating mechanism of the paper pressing system of the adsorption-type sheet-fed machine according to claim 1 is characterized in that: The lower end of the pressure regulating screw is arranged above the V-shaped slider, and the upper end is mounted on the fixed plate. The pressure spring is sleeved on the pressure regulating screw and is located between the fixed plate and the V-shaped slider.

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