Scraper structure of printing machine

Abstract

The utility model discloses a scraper structure of a printing machine, which relates to the technical field of printing equipment and comprises a frame body and a rotating shaft arranged on the frame body. The cutter body is detachably mounted on the rotating shaft, and the cutter body is composed of a cutter body, a cutting edge and a step groove part formed in the back of the cutting edge; the tool further comprises a horizontal reference plate, the horizontal reference plate is arranged on the side where the step supporting part of the tool body is located and provided with a connecting part, and the horizontal reference plate comprises a backup plate, a step horizontal part and a gradienter, and the step horizontal part and the gradienter are arranged on the back side of the backup plate. The horizontal reference plate is installed on the back side of the knife body, on one hand, the backup plate where the horizontal reference plate is located is tightly attached to the back of the blade of the knife body, and the toughness of the knife body in the ink scraping process can be improved; on the other hand, the gradienter where the horizontal reference plate is located can serve as a reference object during horizontal assembly of the cutter body, and the horizontal precision during assembly of the cutter body is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field, concretely is printing machine doctor structure. BACKGROUND

[0002] The printing machine is the machine of printing character and image, and the printing machine generally is by the mechanism of mounting edition, coating ink, impression, paper feeding (including folding) etc. UTILITY MODEL CONTENT

[0003] The utility model discloses a printing machine doctor structure, and the device is installed horizontal reference board on the back of the knife body, and the back of the knife body is tightly attached to the back of the knife body, and the back of the knife body is tightly attached to the back of the knife body, and the back of the knife body is tightly attached to the back of the knife body.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: printing machine doctor structure, including: frame body, pivot that is located on the frame body;And the detachable installation of the pivot on the knife body, and the knife body is composed of the knife body, the knife edge and the step groove part that is located at the back of the knife edge;Still include horizontal reference board, the horizontal reference board is located at the side position of the step support part of the knife body and is provided with the connecting portion, and the connecting portion acts on the pivot, wherein, the horizontal reference board includes the backboard, and the side wall of the backboard is tightly attached to the back of the knife edge for improving the toughness when working, and the step horizontal part that is provided at the back of the backboard is used for adapting with the step groove part of the knife body;Still include the level that is set up on the backboard, is used for indicating the horizontal assembly of the backboard and the knife body.

[0005] Preferably, the connecting piece is provided with a plurality of mounting frames, and each mounting frame is provided with an installation block, and the backboard is fixedly connected with the installation block;Still include the spring that is set up between each installation block and its corresponding mounting frame.

[0006] Preferably, the number of connecting pieces is two and is respectively placed at both ends of the pivot.

[0007] Preferably, the front and back of the pivot and the knife body are further respectively provided with a plurality of bolt assemblies for detachable connection of the two;Wherein, each bolt assembly includes a threaded hole formed in the pivot, and a bolt body arranged in the threaded hole, and when the bolt body passes through the threaded hole and abuts against the knife body, the bolt body is used for assembling the knife body.

[0008] Preferably, the rear side of the frame body is further fixed with mounting members in opposite distribution, and a plurality of mounting holes are formed in one of the mounting members.

[0009] Preferably, one end of the frame body is further provided with a transmission assembly for angular deflection of the rotating shaft, the transmission assembly comprising a transmission disc fixed to one end of the rotating shaft, and a transmission groove formed in the transmission disc and provided with a transmission column; the transmission assembly further comprises a bolt driving assembly connected to the transmission column, and when the bolt driving assembly drives the transmission column to move transversely, the transmission column can push the transmission disc to rotate.

[0010] Preferably, the bolt driving assembly comprises two supporting rods fixed to the two mounting members, and a transmission block slidingly installed on the two supporting rods and connected to the transmission column; the bolt driving assembly further comprises an installation strip arranged at the middle part of the two supporting rods, a screw rod body being helically installed on the installation strip, and the screw rod body being rotatably installed between one end and the transmission block through a transmission ring, and the other end being fixed with a handle.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a horizontal reference plate is installed on the back side of the cutter body, has the following advantages, first, the back plate can provide support when the cutter body carries out the ink scraping work, improves the toughness of the cutter body when working, second, the level instrument set up on the back plate can be used as the reference object of the horizontal assembly of the cutter body when the back plate and the cutter body blade back department are pasted, guarantees the horizontal precision when the cutter body is assembled, finally, the characteristics that the step groove part of the back plate and the step horizontal part of the horizontal reference plate are adapted not only realize the flush of two, and the connecting portion connected with the back plate, can further be pressed to the inside of the rotating shaft with the cutter body by the back plate, realizes the stable embedding, therefore the brush machine scraper structure based on the design improves the work efficiency, and prolongs the service life, reduces the energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the first perspective three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the second perspective three-dimensional structure schematic diagram of the utility model;

[0015] Figure 3 It is the side view structure schematic diagram of the utility model;

[0016] Figure 4 It is the exploded view structure schematic diagram of the cutter body;

[0017] Figure 5 It is another view structure schematic diagram of Figure 4 ;

[0018] Figure 6 This is a magnified structural diagram of point A;

[0019] Figure 7 for Figure 2 A partially enlarged structural diagram.

[0020] In the diagram: 111, frame; 112, pivot; 113, mounting component; 114, mounting hole; 211, mounting frame; 212, mounting block; 213, spring; 214, backing plate; 215, level; 311, support rod; 312, transmission block; 313, mounting strip; 314, screw body; 315, transmission disc; 316, transmission groove; 317, transmission column; 318, transmission ring; 101, blade body; 102, screw hole; 103, bolt body. Detailed Implementation

[0021] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0022] Example 1

[0023] Please see Figures 1 to 7 The present invention preferably provides a technical solution: a printing press scraper structure, including: a frame 111, a rotating shaft 112 mounted on the frame 111; and a blade body 101 detachably mounted on the rotating shaft 112, wherein the blade body 101 consists of a blade, a blade edge, and a stepped groove on the back of the blade edge; it also includes a horizontal reference plate, which is located on the side of the stepped support portion of the blade body 101 and has a connecting portion, which acts on the rotating shaft 112. The horizontal reference plate includes a backing plate 214, the side wall of which is in close contact with the back of the blade edge to improve its toughness during operation, and a stepped horizontal portion on the back side of the backing plate 214 for fitting with the stepped groove of the blade body 101; it also includes a level 215 mounted on the backing plate 214 for indicating the horizontal assembly of the backing plate 214 and the blade body 101.

[0024] In this application, the position of the blade body 101 is described in terms of its direction of action, that is, the blade body 101 as shown in the image. Figure 1 The top of the blade is the back side, and the bottom is the front side. When the blade of the blade body 101 contacts the printing cylinder, the back side of the blade body 101 scrapes against the printing ink, combining... Figure 1 ,2 The rotating shaft 112 is rotatably installed on the frame body 111, and the knife body 101 inserted into the rotating shaft 112 is composed of a knife body, a knife edge, and a stepped groove part provided at the back of the knife edge. The knife body can be embedded into the inside of the rotating shaft 112 for clamping, the knife edge faces forward for scraping ink, and the stepped groove part is matched with the stepped horizontal part where the horizontal reference plate is located. Figure 6 Therefore, when the side wall of the backrest 214 is tightly attached to the back of the knife edge, the following advantages are achieved.

[0025] Firstly, the backrest 214 can provide support when the knife body 101 is working to scrape ink, thereby improving the toughness of the knife body 101 when working.

[0026] Secondly, the level 215 provided on the backrest 214 can be used as a reference for the horizontal assembly of the knife body 101 when the backrest 214 is attached to the back of the knife edge of the knife body 101, thereby ensuring the horizontal accuracy of the assembly of the knife body 101. The level 215 is a mature technology and will not be described here.

[0027] Finally, the stepped groove part where the backrest 214 is located is matched with the stepped horizontal part where the horizontal reference plate is located, which not only realizes the flushness of the two parts, but also enables the connection part connected to the backrest 214 to further press the knife body 101 towards the inside of the rotating shaft 112, thereby realizing stable embedding.

[0028] The device installs the horizontal reference plate on the back side of the knife body 101, which can improve the toughness of the knife body 101 when scraping ink, and the level 215 provided on the horizontal reference plate can be used as a reference for the horizontal assembly of the knife body 101, thereby ensuring the horizontal accuracy of the assembly of the knife body 101.

[0029] Further, the connecting part includes a plurality of mounting frames 211 fixed on the rotating shaft 112, each mounting frame 211 is provided with a mounting block 212, and the backrest 214 is fixedly connected to the mounting block 212. The device further includes a spring 213 provided between each mounting block 212 and the corresponding mounting frame 211.

[0030] As shown in Figure 1 , 4 , and 5, the backrest 214 is fixedly connected to a plurality of mounting blocks 212, and a spring 213 is connected between each mounting block 212 and the corresponding mounting frame 211. When the knife body 101 is inserted into the inside of the rotating shaft 112, the backrest 214 can press the stepped support part where the knife body 101 is located towards the inside of the rotating shaft 112 by the power provided by the spring 213, thereby improving the assembly stability of the knife body 101.

[0031] Further, the number of the connecting parts is two and they are respectively arranged at both ends of the rotating shaft 112, as shown in Figure 1As shown, the two connecting pieces ensure the stability of the mounting of the backrest 214, do not block the use of the level 215, and reduce the weight of the device.

[0032] Further, the shaft 112 and the front and back surfaces of the blade body 101 are respectively provided with a plurality of bolt assemblies for detachable connection of the two; each bolt assembly comprises a threaded hole 102 formed on the shaft 112 and a bolt body 103 arranged in the threaded hole 102, and when the bolt body 103 passes through the threaded hole 102 and abuts against the blade body 101, the blade body 101 is assembled.

[0033] The shaft 112 is provided with a plurality of bolt assemblies on the front and back surfaces, and the bolt assemblies are combined with the bolt holes 101 of the blade body 101. Figure 1 , 2 As shown, the clamping process of the front and back sides of the blade body 101 can be realized, and when the horizontal reference plate indicates that the blade body 101 is not in a horizontal position, the adjustment of the positions of the blade body 101 is realized by adjusting the bolt assemblies.

[0034] Further, the rear side of the frame body 111 is further fixed with oppositely distributed mounting pieces 113, and a plurality of mounting holes 114 are formed in one of the mounting pieces 113.

[0035] The design can be connected with an existing printing machine through screws, and in specific implementation, the frame body 111 and the blade body 101 are in a horizontal state, and the blade edge of the blade body 101 is tangent to the printing cylinder.

[0036] Embodiment 2

[0037] As another embodiment of the utility model, one end of the frame body 111 is further provided with a transmission assembly for angular deflection of the shaft 112, the transmission assembly comprises a transmission disc 315 fixed to one end of the shaft 112, a transmission groove 316 formed in the transmission disc 315, and a transmission column 317 arranged in the transmission groove 316; the transmission assembly further comprises a bolt driving assembly connected with the transmission column 317, when the bolt driving assembly drives the transmission column 317 to move horizontally, the transmission column 317 can push the transmission disc 315 to rotate; further, the bolt driving assembly comprises two supporting rods 311 fixed to the two mounting pieces 113, respectively, and a transmission block 312 slidingly installed on the two supporting rods 311 and connected with the transmission column 317; the bolt driving assembly further comprises a mounting strip 313 arranged in the middle of the two supporting rods 311, a screw body 314 helically installed on the mounting strip 313, and a handle fixed to one end of the screw body 314 and rotatably installed between the other end of the screw body 314 and the transmission block 312.

[0038] The transmission assembly provided in the embodiment can adjust the deflection angle of the shaft 112 to realize the tangent angle between the blade body 101 and the printing cylinder, and in specific implementation, Figure 1 ,2 , 3, 6, 7, as shown in Figure 6 It can be known that the transmission disc 315 fixed with the rotating shaft 112 is embeddedly and slidably installed with the transmission groove 316 on it and the transmission column 317 connected with the transmission block 312, so when the transmission block 312 where the bolt driving assembly is located drives the transmission column 317 to move longitudinally, the transmission disc 315 can be adaptively rotated, and the angle of the rotating shaft 112 is finely adjusted. Figure 3 The transmission block 312 is slidably installed with the two supporting rods 311, the screw body 314 connected with the middle part of the two supporting rods 311 is rotatably installed between one end and the transmission block 312, and the other end is fixed with a handle, so that by operating the handle, the transmission block 312 can be adjusted in the longitudinal position, and the rotating direction and angle of the transmission disc 315 are further finely adjusted. Figure 3

[0039] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "joint", "fix" and other terms should be broadly understood, for example, it can be fixed connection, also can be detachable connection, or integrated, the detachable installation mode has many kinds, for example, can be through the way of inserting and buckling cooperation, again for example, through the way of bolt connection and the like.

[0040] The above embodiment is only used for further illustrating the utility model, and cannot be understood as the limitation of the protection scope of the utility model, the technical engineers in the field can make some non-essential improvements and adjustments to the utility model according to the content of the above utility model, and all fall within the protection scope of the utility model.​

Claims

1. A doctor blade structure for a printing press, characterized in that, include: A frame (111), and a pivot (112) mounted on the frame (111); And a blade body (101) detachably mounted on the pivot (112), wherein the blade body (101) is composed of a blade, a blade edge and a stepped groove provided on the back of the blade edge; It also includes a horizontal reference plate, which is set on the side of the step support of the blade body (101) and has a connecting part. The connecting part acts on the rotating shaft (112). The horizontal reference plate includes a backing plate (214), the side wall of which is close to the back of the blade to improve its toughness during operation, and a step horizontal part set on the back side of the backing plate (214) to be adapted to the step groove of the blade body (101). It also includes a level (215) mounted on the back plate (214) for indicating the horizontal assembly of the back plate (214) and the blade body (101).

2. The printing press doctor blade structure according to claim 1, characterized in that: The connecting part is provided in several parts, and each connecting part includes several mounting frames (211) fixed on the rotating shaft (112). Each mounting frame (211) is provided with a mounting block (212), and the back plate (214) is fixedly connected to the mounting block (212). It also includes a spring (213) disposed between each of the mounting blocks (212) and its corresponding mounting frame (211).

3. The printing press doctor blade structure according to claim 1, characterized in that: The number of connecting parts is two, and they are respectively placed at both ends of the rotating shaft (112).

4. The printing press doctor blade structure according to claim 1, characterized in that: The rotating shaft (112) and the front and back sides of the blade body (101) are respectively provided with several bolt assemblies for detachable connection between the two. Each bolt assembly includes a screw hole (102) opened on the rotating shaft (112) and a bolt body (103) disposed inside the screw hole (102). When the bolt body (103) passes through the screw hole (102) and abuts against the blade body (101), it is used for assembling the blade body (101).

5. The printing press doctor blade structure according to claim 1, characterized in that: The frame (111) is also fixed with mounting parts (113) that are distributed in opposite directions, and one of the mounting parts (113) has several mounting holes (114).

6. The printing press doctor blade structure according to claim 1, characterized in that: The frame (111) is also provided with a transmission assembly for the angle deflection of the rotating shaft (112) at one end. The transmission assembly includes a transmission disk (315), which is fixed to one end of the rotating shaft (112), and a transmission groove (316) opened on the transmission disk (315). A transmission column (317) is provided in the transmission groove (316). It also includes a bolt drive assembly connected to the drive column (317), which can drive the drive column (317) to rotate when the bolt drive assembly drives the drive column (317) to move laterally.

7. The printing press doctor blade structure according to claim 6, characterized in that: The bolt drive assembly includes two support rods (311), which are respectively fixed on two mounting parts (113), and a transmission block (312) slidably mounted on the two support rods (311), and the transmission block (312) is connected to the transmission column (317). It also includes a mounting strip (313) set in the middle of the two support rods (311), on which a screw body (314) is spirally mounted, and one end of the screw body (314) is rotatably mounted to the transmission block (312) through a transmission ring (318), and the other end is fixed with a handle.

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