Impressing device
By combining a guide rod, a thrust spring, a force-applying printing plate, and a hydraulic cylinder, the problem of uneven force on the printing plate was solved, resulting in improved printing quality and reduced costs.
Patent Information
- Application Number
- CN202422757363.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-12
AI Technical Summary
In existing technologies, uneven stress on the printing plate leads to problems with unclear printing in certain areas.
An embossing device is adopted, which uses a combination structure of guide rod, thrust spring, force-applying printing plate and hydraulic cylinder to make the printing plate more uniformly stressed. The uniform rolling of the printing plate is achieved by using a forward and reverse motor and screw and nut structure. Combined with pressure dispersion plate and ball groove structure, excessive local stress is avoided.
This achieves uniform stress on the printing plate, improves printing quality and product clarity, and reduces costs.
Smart Images
Figure CN223520435U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a printing press processing equipment technical field, especially a kind of coining device. BACKGROUND
[0002] Plate printing is generally to cope with the printing of large paperboard or other materials, generally there is letterpress printing or gravure printing, the pattern or text of printing plate is printed on the printed object by pressing device, a printing plate is generally installed in the step of hydraulic cylinder in prior art, but due to the limited contact area between the piston rod of hydraulic cylinder and printing plate, the force of printing plate is concentrated on the position of piston rod, the middle part of printing plate is too large, and the periphery is small, which is prone to the phenomenon of clear in the middle and unclear in the periphery, affecting the printing quality. SUMMARY
[0003] The utility model aims at solving the uneven force of printing plate in prior art, leading to the shortcoming of local unclear printing, and provides a kind of coining device.
[0004] In order to achieve the above object, the utility model adopts the following technical scheme:
[0005] A kind of coining device, it includes the frame being fixed with ground, support frame being fixed on ground, printing plate being arranged above support frame, the support frame is fixed with several vertical guide rods around, the guide rod penetrates the printing plate, the part of guide rod between printing plate and support frame is sleeved with thrust spring, the printing plate is equipped with pressing device above, the pressing device includes hydraulic cylinder being fixed with frame and the piston rod vertical downward setting, the piston rod bottom end of hydraulic cylinder is fixedly installed with horizontally arranged support frame, the support frame bottom is rotatably connected with several side by side and horizontally arranged screw rods, the screw rod is arranged along the length direction of printing plate, the screw rod is driven connected with forward and reverse motor, the pressing device further includes even number of force printing plate, the vertical section of force printing plate is circular ring structure, the axis direction of force printing plate is arranged along the width direction of printing plate, the nut corresponding with the number of force printing plate is screw connected on screw rod, the bottom of nut is rotatably connected with connecting block by hinge, the pivot of hinge coincides with the axis of force printing plate, the force printing plate is fixed with several support rods along its diameter, and the support rod is fixed with connecting block.
[0006] The support frame is flat structure, the vertical section of pressure dispersion plate is shaped and fixed above support frame, and the back of pressure dispersion plate is fixed with the piston rod of hydraulic cylinder.
[0007] The screw rod is provided with two thread parts with opposite and symmetrical thread directions, and the plurality of force printing plates are symmetrically distributed below the two thread parts.
[0008] The nut top is fixed with a sliding block, the sliding block is slidingly connected in the slide of the support frame bottom surface, the sliding block top surface is provided with a ball groove, and the ball groove is provided with a ball.
[0009] The embossing device has the advantages that the embossing plate is stressed more uniformly, the formed product quality is better, and the cost is lower. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 The utility model provides a structure schematic drawing for the utility model;
[0011] Figure 2 The utility model provides a force printing plate structure schematic drawing for the utility model;
[0012] Figure 3 The utility model provides a nut structure schematic drawing for the utility model;
[0013] Figure 4 The utility model provides four force printing plate position distribution and motion relation structure schematic drawings for the utility model.
[0014] In the drawing: support frame 1, pressure dispersion plate 2, hydraulic cylinder 3, nut 4, hinge 5, screw rod 6, support rod 7, force printing plate 8, printing plate 9, guide rod 10, thrust spring 11, support frame 12, sliding block 13, ball groove 14, reversible motor 15, connecting block 16. DETAILED DESCRIPTION
[0015] 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, not all the embodiments.
[0016] REFERENCE Figures 1-4The application relates to a stamping device which comprises a frame fixed to the ground, a support frame 12 fixed to the ground, a stamping plate 9 arranged above the support frame 12, a plurality of vertical guide rods 10 fixed around the support frame 12, the guide rods 10 penetrating through the stamping plate 9, a thrust spring 11 sleeved on the part of the guide rod 10 between the stamping plate 9 and the support frame 12, a pressing device arranged above the stamping plate 9, the pressing device comprising a hydraulic cylinder 3 fixed to the frame and having a piston rod arranged vertically downward, a support frame 1 fixedly arranged at the bottom end of the piston rod of the hydraulic cylinder 3 and arranged horizontally, a plurality of screw rods 6 rotatably connected to the bottom of the support frame 1 and arranged horizontally and side by side, the screw rods 6 being arranged along the length direction of the stamping plate, a reversible motor 15 drivingly connected to the screw rods 6, and an even number of force applying stamping plates 8, the vertical section of the force applying stamping plate 8 being a circular ring structure, the axis direction of the force applying stamping plate 8 being arranged along the width direction of the stamping plate, a plurality of nuts 4 corresponding to the number of the force applying stamping plates 8 being threadedly connected to the screw rods 6, a connecting block 16 being rotatably connected to the bottom of the nut 4 through a hinge 5, the rotation shaft of the hinge 5 coinciding with the axis of the force applying stamping plate 8, and a plurality of support rods 7 being fixedly connected to the force applying stamping plate 8 along the diameter of the force applying stamping plate 8 and fixedly connected to the connecting block 16.
[0017] During the working of the device, the products to be printed are arranged between the stamping plate 9 and the support frame 12, then the support frame 1 is pressed downward through the hydraulic cylinder 3, the force applying stamping plate 8 is driven downward by the support frame 1, and the stamping plate 9 is pressed downward to overcome the thrust spring 11 under the action of the force, the pressing process can be divided into three stages, i.e. a light force pressing stage, a medium force pressing stage and a final force pressing stage, the reversible motor 15 is started during the pressing in each stage, the reversible motor 15 rotates forward for a certain time and rotates reversely for a certain time, the rotating time is determined according to the limit position of the force applying stamping plate 8, the screw rods 6 are driven to rotate through the reversible motor 15, the nuts 4 are driven to move through the screw rods 6, the force applying stamping plate 8 is uniformly rolled and pressed on the upper surface of the stamping plate 9 due to the circular arc surface of the force applying stamping plate 8 and the coincidence of the rotation shaft axis of the hinge 5 with the axis of the force applying stamping plate 8, and the stress on the upper surface of the stamping plate 9 is more uniform, as an optional mode, the total area of the lower surfaces of all the force applying stamping plates 8 is equal to the area of the stamping plate, so that the products printed by the device are more clear and uniform.
[0018] In order to avoid the bending of the support frame 1 under long-time stress, the support frame 1 is a flat plate structure, a pressure dispersion plate 2 with a vertical section being a shaped plate is fixedly arranged above the support frame 1, and the back surface of the pressure dispersion plate 2 is fixedly connected to the piston rod of the hydraulic cylinder 3.
[0019] The screw rod 6 is provided with two thread parts arranged symmetrically and oppositely in terms of thread direction, and the plurality of force applying stamping plates 8 are symmetrically distributed below the two thread parts. Figure 4, the arrow direction is the instantaneous movement direction of the nut 4, when the screw rod 6 rotates in one direction, the force applying plate 8 symmetrically distributed below the two threaded sections can roll in the opposite direction, thus ensuring that the plate is always symmetrically stressed.
[0020] In order to better make the nut 4 reciprocate linearly on the screw rod 6, the top of the nut 4 is fixed with a sliding block 13, the sliding block 13 is slidingly connected in the slide on the bottom surface of the support frame 1, the top surface of the sliding block 13 is provided with a ball groove 14, and the ball groove 14 is provided with a ball, the force of the nut 4 is applied to the support frame 1 through the sliding block 13, so as to avoid the condition that the screw rod 6 is bent due to excessive force.
[0021] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can obtain the technical solutions, concepts and designs according to the technical scheme and the concept of the present application within the technical range disclosed by the present application, and the obtained technical solutions, concepts and designs should be covered in the protection scope of the present application.
Claims
1. An embossing device comprising a frame fixed to the ground, a support frame (12) fixed to the ground, an embossing plate (9) arranged above the support frame (12), a plurality of vertical guide rods (10) fixed around the support frame (12), the guide rods (10) penetrating the embossing plate (9), the portion of the guide rods (10) between the embossing plate (9) and the support frame (12) being provided with a thrust spring (11), and a pressure applying device arranged above the embossing plate (9), characterized in that The pressure applying device comprises a hydraulic cylinder (3) fixed to the frame and with the piston rod vertically downward, a horizontally arranged support frame (1) fixedly installed at the bottom end of the piston rod of the hydraulic cylinder (3), a plurality of side-by-side and horizontally arranged screw rods (6) rotatably connected to the bottom of the support frame (1), the screw rods (6) being arranged along the length direction of the printing plate, a forward-reverse motor (15) drivingly connected to the screw rods (6), and an even number of force applying printing plates (8), the vertical section of the force applying printing plate (8) being a circular ring structure, the axis direction of the force applying printing plate (8) being arranged along the width direction of the printing plate, a number of nuts (4) corresponding to the number of the force applying printing plates (8) being threadedly connected to the screw rods (6), a connecting block (16) rotatably connected to the bottom of the nut (4) through a hinge (5), the rotation axis of the hinge (5) coinciding with the axis of the force applying printing plate (8), a plurality of support rods (7) being fixedly connected to the force applying printing plate (8) along the diameter thereof, and the support rods (7) being fixedly connected to the connecting block (16).
2. An embossing device according to claim 1, characterized in that The support frame (1) is a flat plate structure, and a pressure dispersion plate (2) with a vertical section of is fixed on the top of the support frame (1), and the back of the pressure dispersion plate (2) is fixed with a piston rod of a hydraulic cylinder (3).
3. The embossing device of claim 1, wherein The screw rod (6) is provided with two thread sections arranged in opposite and symmetrical directions, and a plurality of the force applying printing plates (8) are symmetrically distributed below the two thread sections.
4. An embossing device according to any one of claims 1-3, characterized in that The nut (4) is fixedly connected with a sliding block (13) at the top thereof, the sliding block (13) being slidingly connected in a slide way in the bottom surface of the support frame (1), a ball groove (14) being formed in the top surface of the sliding block (13), and balls being installed in the ball groove (14).