Dotting device of paper folding machine

Abstract

The utility model discloses a dotting device of a paper folding machine in the technical field of dotting of paper folding machines, which comprises a bottom plate, a mounting plate arranged on the upper side of the bottom plate, a hydraulic cylinder arranged on the lower side of the mounting plate, a corrugated pipe sleeved on the outer side of the hydraulic cylinder, inserting blocks arranged at two ends of the corrugated pipe, and fixing cylinders fixedly arranged on the inner sides of a plurality of groups of inner grooves. Positioning columns are movably inserted into the inner sides of the fixing cylinders, springs are arranged on the inner sides of the fixing cylinders, inserting frames are fixedly arranged on the upper side of the bottom plate and the lower side of the mounting plate, and multiple sets of clamping holes in butt joint with the positioning columns are formed in the outer sides of the two inserting frames in a penetrating mode. Through the simple installation structure, the hydraulic pushing mechanism can be conveniently protected, the situation that the hydraulic pushing mechanism is damaged due to interference of the external environment is avoided, the service life of the hydraulic pushing mechanism is effectively prolonged, meanwhile, the protection device can be conveniently disassembled in the later period, and the working efficiency is improved. Therefore, the hydraulic pushing mechanism is convenient to maintain, good in practical effect and worthy of being popularized and used in the existing market.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper folding machine dotting technical field more specifically, relate to a kind of paper folding machine dotting device. BACKGROUND

[0002] Paper folding machine refers to the machine for folding paper, and there are two folding disc paper folding machines and four folding disc paper folding machines, also called automatic paper folding machine or full-automatic paper folding machine. In the use process of paper folding machine, dotting device needs to be matched to mark paper.

[0003] The existing dotting device mainly pushes the dotting pen reciprocatingly to realize dotting by hydraulic pushing mechanism when in use. However, there are a lot of dust and debris in the process of conveying and folding paper. Since the hydraulic pushing mechanism lacks a protection device, dust and debris are easily adhered to the outside of the hydraulic pushing mechanism, which can cause great wear of the hydraulic pushing mechanism and damage to the hydraulic pushing mechanism after long-term use, reducing the service life of the hydraulic pushing mechanism.

[0004] In view of this, we propose a paper folding machine dotting device. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved

[0006] The utility model aims to provide a paper folding machine dotting device to solve the problem that the existing dotting pen pushing mechanism lacks a protection device and is easily damaged.

[0007] 2. Technical scheme

[0008] A paper folding machine dotting device includes a bottom plate, an installation plate is arranged on the upper side of the bottom plate, a hydraulic cylinder is arranged on the lower side of the installation plate, one end of the hydraulic cylinder is connected to the bottom plate, the other end of the hydraulic cylinder is connected to the installation plate, a bellows is sleeved on the outside of the hydraulic cylinder, plug blocks are arranged at both ends of the bellows, a plurality of inner grooves are arranged on the inner side of the plug blocks, fixed cylinders are fixedly arranged on the inner sides of the inner grooves, positioning columns are movably inserted into the inner sides of the fixed cylinders, the positioning columns movably penetrate the inner grooves and extend to the outside, springs are arranged on the inner sides of the fixed cylinders, one end of each spring is connected to the fixed cylinder, and the other end of each spring is connected to the positioning column, plug frames are fixedly arranged on the upper side of the bottom plate and the lower side of the installation plate, and a plurality of clamping holes for the positioning columns are formed in the plug frames.

[0009] Preferably, an installation groove is formed in the upper side of the installation plate, and a dotting pen is movably inserted into the installation groove.

[0010] Preferably, the inside of the mounting groove is movably provided with a sliding plate, the inside of the sliding plate is fixedly provided with an arc-shaped block, and the outside of the sliding plate is rotatably provided with a threaded rod, the threaded rod is threaded through the mounting groove and extends to the outside, and the outside end of the threaded rod is fixedly provided with a hand plate on the outside part of the mounting groove.

[0011] Preferably, the inside of the arc-shaped block is provided with a plurality of anti-skid grooves.

[0012] Preferably, the outside of the insertion frame and the insertion block is provided with a plurality of air permeable holes.

[0013] Preferably, the mounting groove is provided with a sliding groove on both sides for docking the sliding plate.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The utility model discloses a protection device for a hydraulic pushing mechanism, which comprises an insertion frame, a corrugated pipe, an insertion block, an inner groove, a fixing cylinder, a positioning column, a spring and a clamping hole.

[0017] 2. The utility model discloses a protection device for a hydraulic pushing mechanism, which comprises an insertion frame, a corrugated pipe, an insertion block, an inner groove, a fixing cylinder, a positioning column, a spring and a clamping hole. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the installation effect of the utility model;

[0020] Figure 3 It is a schematic diagram of the protection device of the utility model;

[0021] Figure 4 It is a schematic diagram of the protection device of the utility model Figure 2 It is an enlarged schematic diagram of the structure at A in the utility model;

[0022] Figure 5 It is an enlarged schematic diagram of the structure at B in the utility model; Figure 3

[0023] ​Label explanation: 1 bottom plate, 2 mounting plate, 3 hydraulic cylinder, 4 mounting groove, 5 dotting pen, 6 insertion frame, 7 bellows, 8 insertion block, 9 inner groove, 10 fixed cylinder, 11 positioning column, 12 spring, 13 clamping hole, 14 sliding plate, 15 arc block, 16 threaded rod, 17 hand disc, 18 anti-skid groove, 19 air hole, 20 sliding groove. DETAILED DESCRIPTION

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the description of the present application, it should be noted that, unless otherwise specifically provided and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Please refer to Figures 1-5 , the present application provides a technical scheme:

[0028] The application discloses a dotter device of a paper folding machine, which comprises a bottom plate 1, a mounting plate 2 arranged on the upper side of the bottom plate 1, a hydraulic cylinder 3 arranged on the lower side of the mounting plate 2, one end of the hydraulic cylinder 3 being connected to the bottom plate 1 and the other end of the hydraulic cylinder 3 being connected to the mounting plate 2, a bellows 7 being sleeved outside the hydraulic cylinder 3, plug blocks 8 being arranged at both ends of the bellows 7, a plurality of inner grooves 9 being arranged on the inner sides of the plug blocks 8, fixed cylinders 10 being fixedly arranged on the inner sides of the plurality of inner grooves 9, positioning columns 11 being movably inserted into the inner sides of the fixed cylinders 10, the positioning columns 11 movably penetrating through the inner grooves 9 and extending to the outer sides, springs 12 being arranged on the inner sides of the fixed cylinders 10, one end of each spring 12 being connected to the fixed cylinder 10 and the other end of each spring 12 being connected to the positioning column 11, plug frames 6 being fixedly arranged on the upper side of the bottom plate 1 and the lower side of the mounting plate 2, a plurality of clamping holes 13 for the positioning columns 11 being arranged on the outer sides of the two plug frames 6, and the initial state of the springs 12 not being deformed, when the plug blocks 8 are inserted into the inner sides of the plug frames 6, the positioning columns 11 are extruded by the plug frames 6 and move to the inner sides of the inner grooves 9, the positioning columns 11 extrude the springs 12 when moving, the springs 12 are deformed, when the plug blocks 8 are completely inserted into the inner sides of the plug frames 6, the positioning columns 11 are clamped in the clamping holes 13, the elastic potential energy of the springs 12 is released, the positioning columns 11 are quickly inserted into the clamping holes 13, and therefore the convenience of mounting and dismounting the bellows 7 is improved.

[0029] Specifically, a mounting groove 4 is arranged on the upper side of the mounting plate 2, a dotter pen 5 is movably inserted into the inner side of the mounting groove 4, the hydraulic cylinder 3 can drive the dotter pen 5 to move up and down during the extension and retraction process, the dotter pen 5 can be conveniently used to dot paper, and the convenience of dotting is improved.

[0030] Further, a sliding plate 14 is movably arranged on the inner side of the mounting groove 4, an arc-shaped block 15 is fixedly arranged on the inner side of the sliding plate 14, a threaded rod 16 is rotatably arranged on the outer side of the sliding plate 14, the threaded rod 16 is threadedly penetrated through the mounting groove 4 and extends to the outer side, a hand disc 17 is fixedly arranged on the outer side of the threaded rod 16, the hand disc 17 can be conveniently rotated to drive the sliding plate 14 and the arc-shaped block 15 to move and clamp and fix the dotter pen 5, the use stability of the dotter pen 5 is ensured, and the convenience of mounting and dismounting the dotter pen 5 is improved.

[0031] It is worth noting that a plurality of anti-skid grooves 18 are arranged on the inner side of the arc-shaped block 15, the anti-skid grooves 18 can improve the friction of the arc-shaped block 15, the clamping effect of the arc-shaped block 15 on the dotter pen 5 is better, and the situation of slipping is avoided.

[0032] It is worth noting that a plurality of air vents 19 are arranged on the outer sides of the plug frames 6 and the plug blocks 8, the air vents 19 can conveniently discharge the gas in the bellows 7, and the normal use of the device is ensured.

[0033] In addition, the installation groove 4 is provided with a sliding groove 20 on both sides for abutting the sliding plate 14, which can limit the sliding plate 14, so that when the threaded rod 16 is rotated, the sliding plate 14 and the arc-shaped block 15 can be moved in parallel, thereby facilitating the fixation of the dotting pen 5.

[0034] Working principle: first, the dotting pen 5 is placed in the installation groove 4, then the hand disc 17 is rotated to drive the threaded rod 16 to rotate, the threaded rod 16 drives the sliding block 14 and the arc-shaped block 15 to move, the arc-shaped block 15 clamps and fixes the dotting pen 5, then the hydraulic cylinder 3 is opened to drive the dotting pen 5 to reciprocate for dotting, the hydraulic cylinder 3 is compressed or stretched during the extension and retraction process, the bellows 7 protects the hydraulic cylinder 3, when the hydraulic cylinder 3 needs to be maintained, the plurality of positioning columns 11 are extruded into the plug block 8, so that the positioning column 11 moves to the inside of the inner groove 9, then the plug block 8 and the plug frame 6 can be separated, so that the bellows 7 can be disassembled, thereby exposing the hydraulic cylinder 3 for maintenance, improving the convenience of maintaining the hydraulic cylinder 3.

[0035] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dotter device for a folding machine comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a mounting plate (2) on the upper side, the mounting plate (2) is provided with a hydraulic cylinder (3) on the lower side, one end of the hydraulic cylinder (3) is connected to the bottom plate (1), and the other end of the hydraulic cylinder (3) is connected to the mounting plate (2), the outer side of the hydraulic cylinder (3) is sleeved with a bellows (7), both ends of the bellows (7) are provided with an insertion block (8), a plurality of inner grooves (9) are arranged on the inner side of the insertion block (8), a plurality of fixed cylinders (10) are fixedly arranged on the inner side of the inner grooves (9), a positioning column (11) is movably inserted into the inner side of the fixed cylinder (10), the positioning column (11) movably penetrates the inner groove (9) and extends to the outer side, and a spring (12) is arranged on the inner side of the fixed cylinder (10), one end of the spring (12) is connected to the fixed cylinder (10), and the other end of the spring (12) is connected to the positioning column (11), the upper side of the bottom plate (1) and the lower side of the mounting plate (2) are fixedly provided with an insertion frame (6), a plurality of clamping holes (13) for butt-joint positioning columns (11) are formed on the outer side of the two insertion frames (6).

2. A dotter device for a folding machine according to claim 1, characterized in that: A mounting groove (4) is formed on the upper side of the mounting plate (2), and a dotting pen (5) is movably inserted into the inner side of the mounting groove (4).

3. A dotter device for a folding machine according to claim 2, characterized in that: A sliding plate (14) is movably arranged on the inner side of the mounting groove (4), an arc-shaped block (15) is fixedly arranged on the inner side of the sliding plate (14), and a threaded rod (16) is rotatably arranged on the outer side of the sliding plate (14), the threaded rod (16) is threaded through the mounting groove (4) and extends to the outer side, and a hand disc (17) is fixedly arranged on the outer side of the threaded rod (16) and located outside the mounting groove (4).

4. A dotter device for a folding machine according to claim 3, characterized in that: A plurality of anti-skid grooves (18) are formed on the inner side of the arc-shaped block (15).

5. A dotter device for a folding machine as claimed in claim 1, characterized in that: A plurality of air holes (19) are formed on the outer sides of the insertion frame (6) and the insertion block (8).

6. A dotter device for a folding machine according to claim 3, characterized in that: Sliding grooves (20) for the sliding plate (14) are formed on both sides of the mounting groove (4).

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