Universal mechanism for receiving components of screen printing equipment

Abstract

The utility model discloses a universal mechanism for receiving silk-screen printing equipment components, which relates to the technical field of silk-screen printing and comprises a support frame, a linkage module and a limit adjusting module. The preset interface area and the positioning characteristic of the supporting frame achieve rapid adaptation of diversified wiper arm assemblies, and the development requirement of a special accepting body is reduced; under the synergistic effect of the linkage module and the limiting adjusting module, the rigid coupling relation between the scraping arm and the screen arm is dynamically controlled through the cam assembly, the printing quality is guaranteed, and meanwhile the rapid opening action is supported so that a screen can be cleaned or replaced; and high-torque output can be achieved in a compact space, the limitation of a traditional matched structure is finally broken through, the research, development and maintenance cost of equipment is remarkably reduced, and the adaptive capacity is expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silk screen printing, specifically to a universal mechanism for receiving silk screen printing equipment components. BACKGROUND

[0002] The silk screen printing equipment is a special mechanical device for realizing the printing process, and its principle is to use a scraper to print the graphics on the screen plate onto the printing material, so that the device for achieving the purpose is the silk screen printing equipment, and the core components include the scraper arm assembly and the screen arm assembly, which need to work together to realize the silk screen printing process: the screen arm assembly fixes the screen plate through the clamping mechanism, and the scraper arm assembly drives the scraper to scrape the screen plate surface ink at a specific angle and pressure, so that the ink is uniformly penetrated into the printing material, and the relative position and dynamic balance relationship between the two directly affect the printing quality / effect.

[0003] However, the scraper arm and the screen arm in the existing equipment are usually designed in a matched manner, and the receiving mechanism has functional limitations: on the one hand, the traditional structure can only adapt to components of specific specifications, resulting in the need for independent development of special receiving bodies for different configuration equipment, increasing the research and development cost and the maintenance complexity; on the other hand, the existing mechanism lacks dynamic adjustment capability, and cannot quickly release the screen plate for cleaning or replacement through the opening action, and it is also difficult to accurately maintain the rigid coupling relationship between the scraper arm and the screen arm through the tightening action, affecting the printing stability. In addition, due to the space constraints of the single-end rocker arm type equipment, the traditional swing mechanism is difficult to realize high torque output under compact layout, and the power input interface is low in standardization, resulting in insufficient compatibility with diversified racks, special-shaped printing materials, and external driving units, which restricts the expansion of the equipment application scenarios.

[0004] In summary, in the existing silk screen printing equipment, the receiving mechanism of the scraper arm and the screen arm has the problem of insufficient compatibility. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a universal mechanism for receiving silk screen printing equipment components to solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The universal mechanism for receiving silk screen printing equipment components comprises a support frame, a linkage module and a limiting adjustment module.

[0008] The support frame is composed of a wing plate piece, the upper front end of the wing plate piece is provided with a preset interface area, and the preset interface area is provided with a positioning feature suitable for the scraper arm assembly;

[0009] A linkage module is installed below the preset interface area and includes a web arm connecting piece rotatably connected to the wing plate, and a bridging piece is installed on the web arm connecting piece and extends towards the cam assembly.

[0010] A limiting adjustment module is integrated in the middle part of the wing plate and includes a limiting assembly and a driving assembly, the limiting assembly includes a cam assembly, the cam assembly is in linkage cooperation with the bridging piece to control the opening and closing action between the scraping arm assembly and the web arm assembly, and the driving assembly includes an external power source or a manual operation unit to drive the rotation of the cam assembly.

[0011] As a further scheme of the utility model, the wing plate is rotatably connected with a steering adjustment piece, the steering adjustment piece is installed on the workbench to adjust the steering of the wing plate, and a rigid locking structure is arranged on the steering adjustment piece.

[0012] As a further scheme of the utility model, the upper front end of the wing plate extends outward to form the preset interface area, the preset interface area is provided with a positioning hole in the transverse direction, the extension direction of the positioning hole is parallel to the mounting axis of the scraping arm assembly, and the positioning hole is used for bolt connection of the scraping arm assembly of different sizes.

[0013] As a further scheme of the utility model, the positioning feature includes a guide groove and a clamping protrusion arranged in the preset interface area, the guide groove extends along the mounting direction of the scraping arm assembly and is matched with the sliding part of the scraping arm assembly, and the clamping protrusions are distributed on both sides of the guide groove and are used for limiting the lateral deviation of the scraping arm assembly.

[0014] As a further scheme of the utility model, the linkage module includes a guide shaft piece installed on the wing plate, the web arm connecting piece is rotatably connected to the guide shaft piece, the bridging piece is installed on the web arm connecting piece and extends towards the cam assembly, and the length of the bridging piece is greater than the displacement corresponding to the maximum swing angle of the cam assembly.

[0015] As a further scheme of the utility model, the cam assembly includes a cam shaft piece rotatably installed on the wing plate and a cam piece fixedly installed on the cam shaft piece, and the cam piece is in abutting cooperation with the bridging piece.

[0016] As a further scheme of the utility model, the limiting assembly includes an elastic reset unit for resetting the cam assembly, the elastic reset unit includes an elastic piece connected with the cam shaft piece, one end of the elastic piece is fixedly connected to the wing plate, and the other end of the elastic piece is fixedly connected to the cam shaft piece.

[0017] As a further scheme of the utility model, the elastic reset unit includes a special-shaped piece fixedly installed on the cam shaft piece, a pull rod piece in abutting cooperation with the special-shaped piece, and an elastic piece fixedly connected with the pull rod piece, one end of the pull rod piece is rotatably installed on the wing plate, the other end of the pull rod piece is connected with the elastic piece, one end of the elastic piece is fixedly connected to the wing plate, and the other end of the elastic piece is connected with the pull rod piece.

[0018] As a further scheme of the utility model: the lower rear end of the wing plate part is equipped with a swing mechanism, and the wing plate part is equipped with a butt joint area, which is used for adapting the swing mechanism.

[0019] As a further scheme of the utility model: the wing plate part is fixedly connected with a bridge plate, and the bridge plate is fixedly provided with a stress arm below.

[0020] Compared with the prior art, the utility model has the beneficial effects as follows:

[0021] The technical scheme of the utility model effectively improves the compatibility and dynamic adjustment capability of the screen printing equipment components through the modular structure design, the preset interface area and the positioning feature of the support frame realize the quick adaptation of the diversified squeegee arm assembly, the development demand of the special receiving body is reduced, the cooperative action of the linkage module and the limiting adjustment module dynamically controls the rigid coupling relationship of the squeegee arm and the screen arm through the cam assembly, the screen cleaning / replacement is completed while the printing quality is ensured, the standardized interface design of the integrated driving assembly is compatible with the electric / pneumatic / manual operation mode, and high torque output can be realized in the compact space, finally, the limitation of the traditional matching structure is broken through, the equipment research and development maintenance cost is significantly reduced, and the adaptation capability of the special-shaped printing material scene is expanded. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural perspective view of the utility model;

[0023] Figure 2 is another structural perspective view of the utility model;

[0024] Figure 3 is a front view of the utility model;

[0025] Figure 4 is Figure 3 a sectional view along the direction A-A;

[0026] Figure 5 is Figure 3 a sectional view along the direction B-B;

[0027] Figure 6 is a structural perspective view of an embodiment in the utility model;

[0028] Figure 7 is an exploded view of the bridge plate and the stress arm in the utility model;

[0029] The reference signs and names in the drawings are as follows:

[0030] Support frame-100, linkage module-101, limit adjustment module-102, wing plate-103, preset interface area-104, positioning feature-105, web arm connector-107, bridging piece-108, limit assembly-109, drive assembly-110, cam assembly-111, steering adjustment piece-115, positioning hole-118, guide shaft-123, cam shaft-124, cam piece-125, elastic return unit-126, elastic piece-127, special-shaped piece-128, pull rod-129, docking area-131, bridge plate-132, force arm-133. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Please refer to Figures 1-7 , the general type mechanism for receiving the screen printing equipment assembly includes a support frame 100, a linkage module 101 and a limit adjustment module 102.

[0033] The support frame 100 is composed of a wing plate 103, and the upper front end of the wing plate 103 is provided with a preset interface area 104, and the preset interface area 104 is provided with a positioning feature 105 suitable for the squeegee arm assembly.

[0034] The linkage module 101 is installed below the preset interface area 104 and includes a web arm connector 107 rotatably connected to the wing plate, and the web arm connector 107 extends and is provided with a bridging piece 108.

[0035] The limit adjustment module 102 is integrated in the middle part of the wing plate 103 and includes a limit assembly 109 and a drive assembly 110. The limit assembly 109 includes a cam assembly 111, and the cam assembly 111 is linked and matched with the bridging piece 108 to control the opening and closing action between the squeegee arm assembly and the web arm assembly. The drive assembly 110 includes an external power source or a manual operation unit to drive the rotation of the cam assembly 111.

[0036] The upper part of the wing plate piece 103 of the support frame 100 is provided with a standardized interface area, through integrated positioning holes 118, clamping grooves, magnetic adsorption or welding extension structures and other positioning features 105, the physical locking and attitude calibration of various specifications of squeegee arm assemblies are realized, independent support structures need not be developed for different assemblies, different brands and sizes of squeegee systems can be compatible, the equipment modification and development cost and the spare parts inventory pressure are greatly reduced;

[0037] The linkage module 101 and the limiting adjustment module 102 cooperate, the precise profile curve of the cam assembly 111 and the lever transmission mechanism of the bridging piece 108 are used, the rotary motion of the driving assembly 110 is converted into controllable linear displacement between the squeegee arm assembly and the screen arm assembly, the clamping force between the two can be accurately adjusted through the cam lift to maintain rigid connection in the printing process, relative displacement caused by vibration or load fluctuation is avoided, and the squeegee system is quickly separated from the screen plate in the non-working state, so that the cleaning and replacement process is simplified, and the downtime is reduced;

[0038] The driving assembly 110 adopts a split interface design, allowing external power sources (such as servo motors or air cylinders) or manual operation units (such as hand wheels) to be connected through standardized couplings or quick-release structures, which meets the precise control requirements of automatic production lines for electric driving and retains the flexibility of manual intervention; at the same time, the eccentric layout of the cam assembly 111 and the force arm optimization design of the bridging piece 108 can realize torque amplification effect in limited space, and ensure reliable execution of action under high load working condition;

[0039] In addition, the modular design releases the freedom of equipment layout, which can adapt to the asymmetric rack structure or customized printing path planning required by special-shaped printing materials, breaking through the scene limitation of traditional screen printing equipment only applicable to small-scale regular workpieces;

[0040] The technical scheme of the utility model effectively improves the compatibility and dynamic adjustment capability of screen printing equipment components through modular structure design, the preset interface area 104 and the positioning feature 105 of the support frame 100 realize the quick adaptation of diversified squeegee arm assemblies, the development demand of special receiving bodies is reduced; the linkage of the linkage module 101 and the limiting adjustment module 102 dynamically controls the rigid coupling relationship between the squeegee arm and the screen arm through the cam assembly 111, which ensures the printing quality while supporting the rapid opening action to complete screen cleaning / replacement, and the integrated driving assembly 110 has a standardized interface design, which is compatible with electric / pneumatic / manual operation modes, and can realize high-torque output in a compact space, finally breaking through the limitations of traditional matching structures, significantly reducing equipment development and maintenance costs and expanding the adaptation capability of special-shaped printing materials scenes.

[0041] The utility model discloses an embodiment, wing plate piece 103 is provided with the rigid locking structure on the upper end, and the rigid locking structure is connected with the screw arm assembly, and the screw arm assembly is connected with the squeegee, and the squeegee is connected with the printing plate, and the wing plate piece 103 is connected with the workbench, and the wing plate piece 103 is connected with the steering adjusting part 115.

[0042] The utility model technical scheme realizes the accurate control of the support frame 100 through the steering adjusting part 115, the steering adjusting part 115 is rotatably connected with the wing plate piece 103 and is fixed on the workbench, the horizontal deflection angle of the wing plate piece 103 can be adjusted to a specific angle based on different printing requirements, so that the curved profile of the special-shaped printing material or the asymmetric printing path is flexibly adapted, and the squeegee and the printing plate always maintain the best contact posture.

[0043] Meanwhile, the steering adjusting part 115 adopts integrated design, and angle locking and releasing can be completed through the manual knob or the electric driving unit without the help of additional tools, which significantly simplifies the equipment adjustment process and improves the repeatability of process parameters, and the rigid locking mechanism after adjustment effectively avoids the angle deviation caused by external interference in the operation process, maintains the uniform distribution of printing pressure, and further enhances the printing quality stability under complex working conditions.

[0044] In an embodiment, the rigid locking structure includes a bolt.

[0045] In an embodiment, the utility model discloses that the upper portion of the wing plate piece 103 is outwardly extended to form the preset interface area 104, the preset interface area 104 is provided with a positioning hole 118 along the transverse direction, the extension direction of the positioning hole 118 is parallel to the mounting axis of the squeegee arm assembly, and the bolt connection of the squeegee arm assembly of different sizes is adapted.

[0046] The utility model technical scheme improves the cross-size compatibility and mounting quality of the squeegee arm assembly by optimizing the structural layout of the preset interface area 104, the preset interface area 104 outwardly extended at the upper portion of the wing plate piece 103 is uniformly distributed with a plurality of positioning holes 118 along the transverse direction, and the extension direction is strictly parallel to the mounting axis of the squeegee arm assembly, so that the squeegee arm assembly of different sizes can be quickly aligned and locked along the axis direction of the positioning hole 118, and the space centering degree and angle consistency between the squeegee system and the printing plate are ensured.

[0047] The structural feature not only adapts to the extension requirements of multiple specifications of squeegee arms from narrow width to wide width, avoids interface reconstruction or adapter installation caused by component size difference, but also reduces the assembly stress caused by angle deflection in the mounting process through axial constraint design, thereby maintaining the stability of the squeegee motion track, and the modular bolt connection mechanism simplifies the dismounting process, shortens the equipment replacement time and improves the maintenance efficiency.

[0048] The positioning feature 105 includes a guide groove and a clamping protrusion arranged in the preset interface area 104, the guide groove extends along the installation direction of the squeegee arm assembly and is matched with the sliding part of the squeegee arm assembly, and the clamping protrusions are distributed on both sides of the guide groove and are used for limiting the lateral deviation of the squeegee arm assembly.

[0049] The utility model technical scheme improves the installation quality and anti-deviation stability of the squeegee arm assembly by strengthening the guiding and limiting functions of the positioning feature 105, the guide groove in the preset interface area 104 extends along the installation direction of the squeegee arm assembly, forms linear cooperation with the sliding part, ensures that the squeegee system is accurately guided along the preset path and keeps the parallelism between the operation path of the squeegee system and the screen.

[0050] The clamping protrusions distributed on both sides of the guide groove effectively inhibit the position deviation of the squeegee arm assembly under lateral stress through physical blocking, avoid the squeegee angle deviation caused by vibration or load fluctuation, and meanwhile, the combined positioning structure allows different models of squeegee arm assemblies to be quickly embedded in the guide groove through the standardized sliding part and to complete lateral self-locking through the clamping protrusions, thereby avoiding the complicated operation of traditional flange alignment, enhancing the cross-model adaptation capability, realizing rigid connection without introducing additional fasteners, further simplifying the disassembly and assembly process and reducing the assembly error risk caused by manual misoperation, and thus ensuring the uniformity of ink pressure distribution and process consistency during the printing process.

[0051] In the utility model embodiment, the linkage module 101 includes a guide shaft 123 installed on the wing plate, the screen arm connecting piece 107 is rotatably connected to the guide shaft 123, the bridging piece 108 is installed on the screen arm connecting piece 107 and extends to the cam assembly 111, and the length of the bridging piece 108 is greater than the displacement amount corresponding to the maximum swing angle of the cam assembly 111.

[0052] The utility model technical scheme improves the reliability and movement quality of the coordinated action of the squeegee arm and the screen arm by optimizing the mechanical transmission path and stroke redundancy design of the linkage module 101, the guide shaft 123 is fixed to the wing plate and provides a high-rigidity rotating fulcrum for the screen arm connecting piece 107, and the swing track of the screen arm connecting piece 107 is strictly controlled;

[0053] The bridging piece 108 extends to the cam assembly 111 with a length exceeding the stroke requirement, and the redundancy design can not only cover the displacement change under the maximum swing angle of the cam, avoid mechanism jamming or stress concentration caused by extreme positions, but also amplify the driving torque input by the cam through the lever effect, and ensure that the squeegee arm and the screen arm are stably executed in the opening / closing action under high-load working conditions.

[0054] Meanwhile, the combination structure of the bridging piece 108 and the guide shaft piece 123 forms a multi-stage motion constraint, effectively suppresses the deflection of the connecting piece caused by inertia or vibration during operation, maintains the linearity and repeatability of the squeegee pressure transmission, thereby achieving dynamic balance precision regulation in complex printing tasks and reducing the risk of mechanical wear after long-term use.

[0055] In the embodiment of the utility model, the cam assembly 111 includes a cam shaft piece 124 rotatably installed on the wing plate piece 103 and a cam piece 125 fixedly installed on the cam shaft piece 124, the cam piece 125 is in abutting cooperation with the bridging piece 108;

[0056] The utility model technical scheme realizes the double promotion of driving force transmission efficiency and adjustment flexibility through the modular design of the split cam assembly 111, the cam shaft piece 124 is rotatably installed on the wing plate piece 103 to form an independent rotating shaft system, the cam piece 125 is fixed on the shaft piece through a key groove or a locking bolt, and the separable structure facilitates the replacement of cam profiles with different lift curves according to process requirements;

[0057] The abutting cooperation of the cam piece 125 and the bridging piece 108 converts the rotary motion of the shaft piece into the linear displacement of the bridging piece 108, in one embodiment, the abutting contact surface of the cam piece 125 and the bridging piece 108 is designed with a roller bearing or a low-friction coating to reduce sliding resistance and ensure minimal power loss under high-frequency operation;

[0058] The standardized connection interface of the cam shaft piece 124 and the driving assembly 110 supports the quick switching of electric, pneumatic or manual power sources, realizes the quick adaptation of dynamic balance in complex printing tasks, and eliminates the multi-stage transmission error of the traditional swing mechanism 131 through a rigid connection design, significantly improving the action repetition quality and long-term use stability.

[0059] In the embodiment of the utility model, the limiting assembly 109 includes an elastic return unit 126 for resetting the cam assembly 111, the elastic return unit 126 includes an elastic member 127 connected with the cam shaft piece 124, one end of the elastic member 127 is fixedly connected to the wing plate, and the other end of the elastic member 127 is fixedly connected with the cam shaft piece 124;

[0060] The utility model technical scheme significantly improves the action reset accuracy and system reliability of the cam assembly 111 by introducing the elastic return unit 126, the elastic member 127 is fixed at both ends to the wing plate and the cam shaft piece 124, after the cam piece 125 drives the bridging piece 108 to complete the opening action of the squeegee arm and the screen arm, the elastic member 127 automatically pulls the cam shaft piece 124 to rotate to the initial position through the pre-tightening force, ensuring that the mechanism is quickly reset to the preset zero position after each action, avoiding reset deviation caused by inertia or friction resistance;

[0061] The design not only saves the manual calibration step and reduces the downtime adjustment time, but also suppresses the vibration amplitude of the cam assembly 111 at high speed operation or load mutation through the continuously applied elastic constraint force, and maintains the stability of the squeegee pressure transmission chain.

[0062] Meanwhile, the buffering effect of the elastic reset unit 126 can effectively absorb the impact energy in the mechanism return stroke, reduce the wear rate of the contact surface of the cam and the bridging piece 108, prolong the service life of the key components, and thus ensure the consistency of the printing action and the repeatability of the process parameters in long-term high-frequency operation.

[0063] In the embodiment of the utility model, the elastic reset unit 126 comprises a special-shaped piece 128 fixedly installed on the cam rotating shaft piece 124, a pull rod piece 129 abuttingly matched with the special-shaped piece 128 and an elastic piece 127 fixedly connected with the pull rod piece 129, one end of the pull rod piece 129 is rotatably installed on the wing plate, the other end of the pull rod piece 129 is connected with the elastic piece 127, one end of the elastic piece 127 is fixedly connected on the wing plate, and the other end of the elastic piece 127 is connected with the pull rod piece 129.

[0064] The technical scheme of the utility model significantly optimizes the reset precision and energy buffering efficiency of the cam assembly 111 through the multi-stage linkage elastic reset mechanism, the special-shaped piece 128 is fixed on the cam rotating shaft piece 124 and rotates with it, a variable contact point is formed by the abutment of the asymmetric profile of the special-shaped piece 128 and the pull rod piece 129, and the pull rod piece 129 is driven to swing around the fulcrum on the wing plate.

[0065] The combination design of the pull rod piece 129 and the elastic piece 127 converts the rotational displacement of the cam rotating shaft piece 124 into the linear expansion and contraction of the elastic piece 127, amplifies the adjustment range of the elastic pre-tightening force by using the lever principle, ensures that the cam accurately returns to the initial phase by providing a progressive reset torque through the stretching / compression of the elastic piece 127, and absorbs the impact energy under different working conditions through the dynamic cooperation of the special-shaped piece 128 and the pull rod piece 129.

[0066] The structure simultaneously realizes the dual functions of high-rigidity reset guiding and flexible buffering, avoids the stress concentration problem caused by the angle deflection of the traditional direct-connection type elastic unit, compensates the trajectory deviation in the mechanism movement through the swing freedom of the pull rod, thereby maintaining the action consistency in high-speed cyclic operation, prolonging the service life of the reset unit and reducing the maintenance frequency.

[0067] In the embodiment of the utility model, the wing plate piece 103 is provided with a docking area 131, and the docking area 131 is used to adapt the swing mechanism.

[0068] The utility model discloses technical scheme through the butt joint area of additional significant improvement wing plate spare and swing mechanism's connection rigidity and adaptive flexibility, the butt joint area of wing plate spare lower rear end setting realizes the quick dismounting with swing mechanism through the finishing positioning surface and fastening interface, and its modular design allows according to the printing web or load demand to replace different specifications swing mechanism, need not to reconfigure integral support frame again;

[0069] Meanwhile, the geometric parameters of the butt joint area and the load transmission path are optimized and designed, so that the dynamic shear force and impact load generated in the doctor blade operation can be efficiently conducted to the rigid fulcrum of the swing mechanism, local stress concentration caused by wing plate deformation or fatigue failure is avoided, the stability of the doctor blade pressure distribution is maintained in high-speed printing or special-shaped printing material processing, and the compatibility of the equipment to different process scenes is expanded.

[0070] In an embodiment, the swing mechanism is a general structure in the prior art, which will not be described here.

[0071] In the utility model embodiment, the bridge plate 132 is fixedly connected to the wing plate 103, and the stress arm 133 is fixedly arranged below the bridge plate 132.

[0072] In the utility model technical scheme, the wing plate and the bridge plate are used as one kind of connection structure of the swing mechanism, and the synergistic optimization of the structural strength and the maintainability of the wing plate assembly is realized through a multi-process composite connection strategy; the wing plate, the bridge plate and the stress arm are connected in a whole casting, screwing or welding mode; the whole structure can eliminate the assembly interface gap, ensure the continuity of the load transmission path, and significantly improve the rigidity and torsional performance of the support frame.

[0073] The split screwing design allows independent replacement or local reinforcement of high-wear areas (such as the stress arm), reducing maintenance costs and prolonging the service life of the main structure.

[0074] The welding process is applied to the key stress concentration area (such as the joint of the bridge plate and the wing plate), which enhances the interface shear resistance through fusion connection, effectively inhibiting the fatigue crack propagation under long-term alternating load.

[0075] Meanwhile, the flexible connection scheme supports rapid reconstruction of the component form according to the printing web or load demand, which not only meets the lightweight demand of small equipment, but also adapts to the installation of distributed stress arms in wide scenes, finally realizing the comprehensive improvement of structural stability, process adaptability and life cycle economy in complex working conditions.

[0076] In an embodiment, the comprehensive optimization of equipment structural strength, load adaptability and manufacturing process is realized by diversified configuration design of bridge plate and force arm, the bridge plate is fixedly connected to the wing plate in the form of plate, casting or other forms, the form selection can balance the lightweight and rigidity requirements based on the working condition requirements, for example, the cast bridge plate is used to improve the vibration resistance or the hollow plate structure is used to reduce the self weight;

[0077] The truss type bridge plate is adopted, the lightweight is realized while ensuring the bearing stiffness through the cross rib or space truss configuration, which is suitable for the stringent requirements of inertia constraint of high-speed printing equipment;

[0078] The I-shaped / box-shaped bridge plate is adopted, the bending and torsional properties are improved through the closed section or reinforcement layout, which is suitable for the high torque load transmission requirement of wide format printing machine;

[0079] The arc-shaped bridge plate is adopted, the streamline profile is matched with the space limitation of compact equipment, and the local stress peak is reduced by using the stress diffusion characteristics of arc surface;

[0080] The split type combined bridge plate is adopted, which is composed of multiple standardized sub-modules through plug-in or bolt splicing, which supports the extension length or local reinforcement on demand, and is convenient for maintenance and replacement;

[0081] The honeycomb bridge plate is adopted, which has the advantages of shock absorption, noise reduction and lightweight, and is suitable for precision printing scenes;

[0082] The topologically optimized special-shaped bridge plate is adopted, the non-uniform material distribution is realized based on 3D printing or numerical control machining, and the stiffness-weight ratio optimal solution under specific working conditions is achieved with minimum mass;

[0083] The number and shape (such as cylindrical, L-shaped) of the force arm can be flexibly configured according to the printing width or load type, the force transmission path in different directions is optimized and matched through geometric configuration, for example, the L-shaped structure enhances the bending stiffness, and the cylindrical design adapts to multidirectional load; This modular combination mechanism not only supports standardized mass production to reduce manufacturing cost, but also allows quick customization of high compatibility structure for special scenes, and the rigid connection interface of the bridge plate and the force arm ensures uniform stress diffusion in dynamic operation, reduces local fatigue damage, and finally realizes long-term stable operation of the equipment under complex printing conditions and effective control of maintenance cost.

[0084] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A universal mechanism for receiving a screen printing apparatus assembly, characterized by, The utility model relates to a support frame (100), linkage module (101) and limit adjustment module (102) are included; The support frame (100) is constituted by the wing plate piece (103), the upper portion front end of wing plate piece (103) is equipped with the preset interface area (104), the preset interface area (104) is provided with the positioning feature (105) of adaptive scraping arm subassembly in, The linkage module (101) is installed below the preset interface area (104), and contains the net arm connecting piece (107) rotationally connected on the wing plate, the bridge connecting piece (108) is installed on the net arm connecting piece (107) and extends to the cam assembly (111), The limit adjustment module (102) is integrated in the middle part of the wing plate piece (103) and includes a limiting assembly (109) and a driving assembly (110). The limiting assembly (109) includes a cam assembly (111) for controlling the opening and closing action between the scraping arm assembly and the net arm assembly. The driving assembly (110) includes an external power source or a manual operation unit for driving the rotation of the cam assembly (111).

2. The universal mechanism for receiving a screen printing apparatus assembly of claim 1, wherein, The wing plate piece (103) is rotationally connected with a steering adjustment piece (115) installed on the workbench for steering adjustment of the wing plate piece (103). The steering adjustment piece (115) is provided with a rigid locking structure.

3. The universal mechanism for receiving a screen printing apparatus assembly of claim 2, wherein, The upper portion front end of the wing plate piece (103) extends outward to form the preset interface area (104). The preset interface area (104) is provided with a positioning hole (118) in the transverse direction. The extension direction of the positioning hole (118) is parallel to the mounting axis of the scraping arm assembly, which is used for bolt connection of different sizes of scraping arm assemblies.

4. The universal mechanism for receiving a screen printing apparatus assembly of claim 3, wherein, The positioning feature (105) includes a guide groove and a clamping protrusion provided in the preset interface area (104). The guide groove extends along the installation direction of the scraping arm assembly and matches the sliding part of the scraping arm assembly. The clamping protrusion is distributed on both sides of the guide groove to limit the lateral deviation of the scraping arm assembly.

5. A universal mechanism for receiving a screen printing apparatus assembly according to any one of claims 1-4, characterized in that, The linkage module (101) includes a guide shaft (123) installed on the wing plate. The net arm connecting piece (107) is rotationally connected to the guide shaft (123). The bridge connecting piece (108) is installed on the net arm connecting piece (107) and extends to the cam assembly (111). The length of the bridge connecting piece (108) is greater than the displacement corresponding to the maximum swing angle of the cam assembly (111).

6. The universal mechanism for receiving a screen printing apparatus assembly of claim 5, wherein, The cam assembly (111) includes a cam shaft (124) rotationally installed on the wing plate piece (103) and a cam piece (125) fixedly installed on the cam shaft (124). The cam piece (125) is in abutting cooperation with the bridge connecting piece (108).

7. A universal mechanism for receiving a screen printing apparatus assembly according to claim 6, wherein, The limiting assembly (109) includes an elastic return unit (126) for resetting the cam assembly (111). The elastic return unit (126) includes an elastic member (127) connected to the cam shaft (124). One end of the elastic member (127) is fixedly connected to the wing plate, and the other end of the elastic member (127) is fixedly connected to the cam shaft (124).

8. The universal mechanism for receiving a screen printing apparatus assembly of claim 6, wherein, The elastic reset unit (126) comprises a special-shaped part (128) fixedly installed on the cam rotating shaft part (124), a pull rod part (129) in abutting cooperation with the special-shaped part (128), and an elastic part (127) fixedly connected with the pull rod part (129), one end of the pull rod part (129) is rotatably installed on the wing plate, the other end of the pull rod part (129) is connected with the elastic part (127), one end of the elastic part (127) is fixedly connected on the wing plate, and the other end of the elastic part (127) is connected with the pull rod part (129).

9. A universal mechanism for receiving a screen printing apparatus assembly according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8, characterized in that, The wing plate part (103) is provided with a butt joint area (131) for adapting the swing mechanism.

10. The universal mechanism for receiving a screen printing apparatus assembly of claim 9, wherein, The wing plate part (103) is fixedly connected with a bridge plate (132), and a stress arm (133) is fixedly arranged below the bridge plate (132).

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