Precise positioning device of printing machine

Abstract

The utility model discloses an accurate positioning device of a printing machine, relates to the technical field of printing equipment, and aims to solve the problems that a worker needs to sequentially adjust four telescopic rods through fixing screws when facing paperboards with different widths, the operation is relatively troublesome, and a guide roller cannot be quickly positioned and adjusted. Comprising a base and a conveying belt arranged on the base, a guardrail and a printing frame used for printing paperboards are fixedly installed at the top of the base, and an equipment box is fixedly installed on the outer side face of the guardrail. When facing paperboards with different widths, a worker can control the moving plate to move through the driving mechanism, the moving plate can drive the connecting rod and the mounting plate to move, and the mounting plate can drive the fixed table and the support and the guide roller which are connected to the fixed table to move, so that the guide roller is in contact with the edges of the paperboards; therefore, the purpose of quickly and accurately positioning and adjusting the position of the guide roller can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of printing equipment, and particularly to a printing machine precision positioning device. BACKGROUND

[0002] The printing machine is a machine for printing characters and images, and a positioning device needs to be used to position paperboard during printing of the paperboard, so as to prevent the paperboard position from deviating and causing problems in printing quality.

[0003] A printing machine positioning device disclosed by Chinese utility model (publication number: CN215204010U) comprises a workbench, a plurality of driving rollers are uniformly arranged on the workbench, a processing table is arranged between the plurality of driving rollers, a limiting device is arranged between the driving rollers on the left side of the processing table, a mounting frame is arranged above the processing table, a pressing device is arranged on the left side of the mounting frame, a lifting motor is arranged on the right side of the mounting frame, a mounting plate is arranged at the bottom end of the lifting rod of the lifting motor, a printing device and a cutting knife are arranged at the bottom end of the mounting plate, a pressing plate device is symmetrically arranged at the bottom end of the mounting plate, a cutting groove is arranged at the corresponding position of the processing table, the limiting device comprises a support frame, the support frame is symmetrically arranged on the front and rear sides of the workbench, a guide roller is arranged on the support frame through an extension rod, and a fixing screw is arranged on the extension rod.

[0004] In the implementation of the utility model, the inventor finds that at least the following problems exist in the technology, when facing different paperboard widths, the staff needs to adjust the four extension rods in turn through the fixing screws, the operation is relatively troublesome, and rapid positioning adjustment of the guide roller cannot be realized, therefore, the present application provides a printing machine precision positioning device. UTILITY MODEL CONTENTS

[0005] In order to improve the problem that the staff needs to adjust the four extension rods in turn through the fixing screws when facing different paperboard widths, the operation is relatively troublesome, and rapid positioning adjustment of the guide roller cannot be realized, the utility model provides a printing machine precision positioning device.

[0006] The utility model provides a printing machine precision positioning device, adopts the following technical scheme:

[0007] The utility model provides a printing machine accurate positioning device, including base and the conveyer belt of setting on the base, the top of base is fixedly installed with guardrail, and the printing frame for printing paperboard, the outside of guardrail is fixedly installed with equipment box, the inner wall of equipment box is rotatably connected with screw rod, and one end of screw rod penetrates to equipment box outside and is fixedly connected with drive mechanism, the outer surface of screw rod is threadedly connected with moving plate, and the opposite sides of moving plate are all provided with sliding assembly, and one side of moving plate is fixedly installed with connecting rod, and the end away from moving plate of connecting rod penetrates guardrail inside and is fixedly connected with mounting plate, and the outside of mounting plate is fixedly installed with fixed station, one side of fixed station is provided with support, and the support is provided with guide roller.

[0008] By adopting the above technical scheme, when facing paperboards of different widths, the staff can control the movement of the moving plate through the drive mechanism, the moving plate can drive the connecting rod and the mounting plate to move, the mounting plate can drive the fixed station and the support and the guide roller connected on the fixed station to move, so that the guide roller can be in contact with the edge of the paperboard, thereby achieving the purpose of quickly and accurately positioning and adjusting the position of the guide roller.

[0009] Optionally, the inside of the guardrail is fixedly installed with a telescopic rod, and the telescopic end of the telescopic rod is fixedly connected with the mounting plate.

[0010] By adopting the above technical scheme, the telescopic rod can limit the movement position of the mounting plate and can enhance the bearing strength of the mounting plate.

[0011] Optionally, the drive mechanism includes a motor, the motor is fixedly connected with the equipment box, a first bevel gear is fixedly installed on the output end of the motor, a second bevel gear is meshingly connected with the first bevel gear, and the second bevel gear is fixedly connected with the screw rod.

[0012] By adopting the above technical scheme, the motor can drive the first bevel gear to rotate, the first bevel gear can drive the second bevel gear to rotate, the second bevel gear can drive the screw rod to rotate, and in turn, it is favorable to improve the stability of the rotation of the screw rod.

[0013] Optionally, a telescopic spring is fixedly installed in the inside of the fixed station, and one end of the telescopic spring is fixedly connected with the support.

[0014] By adopting the above technical scheme, the telescopic spring can reduce the hard contact between the guide roller and the paperboard.

[0015] Optionally, the sliding assembly includes a first sliding block, one side of the first sliding block is fixedly connected with the moving plate, and the inner wall of the equipment box is provided with a first sliding groove matched with the first sliding block.

[0016] By adopting the technical scheme, the first sliding block and the first sliding slot can limit the moving range of the moving plate, and the moving plate can move more stably.

[0017] Optionally, the outer surface of the equipment box is fixedly provided with a protective shell, the motor, the first bevel gear and the second bevel gear are arranged in the protective shell, the protective shell is internally provided with a heat dissipation groove, and the inner wall of the heat dissipation groove is fixedly provided with a dust screen.

[0018] By adopting the technical scheme, the protective shell can protect the motor, the first bevel gear and the second bevel gear, reduce the case that external objects bump into the motor, the first bevel gear and the second bevel gear, and heat generated by the motor during use can be transmitted to the outside through the heat dissipation groove and the dust screen, so that the dust screen reduces the entry of external dust and impurities into the protective shell.

[0019] Optionally, the opposite sides of the support are fixedly provided with second sliding blocks, and the inner portion of the fixed table is internally provided with second sliding slots matched with the second sliding blocks.

[0020] By adopting the technical scheme, the second sliding block and the second sliding slot can limit the moving range of the support, and the support can move more stably.

[0021] Optionally, the surfaces of the guide rollers are uniformly provided with a plurality of weight reduction holes.

[0022] By adopting the technical scheme, the plurality of weight reduction holes uniformly arranged can reduce the weight of the guide rollers without affecting the structural strength of the guide rollers, reduce the bearing pressure of the mounting plate, and are more energy-saving and environment-friendly.

[0023] In summary, the utility model has the following beneficial effects:

[0024] When facing paperboards with different widths, the staff can start the motor, the motor can control the moving plate to move, the moving plate can drive the connecting rod and the mounting plate to move, the mounting plate can drive the fixed table and the support and the guide rollers connected on the fixed table to move, the guide rollers are in contact with the edges of the paperboard, so that the purpose of quickly and accurately positioning and adjusting the positions of the guide rollers can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the utility model overhead section structure schematic diagram.

[0026] Figure 2 is the utility model Figure 1 A place amplification structure schematic diagram in the utility model.

[0027] Figure 3 is the utility model protective shell structure schematic diagram.

[0028] Figure 4 is a sectional view of the fixed table connected structure.

[0029] Mark explanation:

[0030] 1, base; 2, conveyor belt; 3, guardrail; 4, printing frame; 5, equipment box; 6, threaded rod; 7, driving mechanism; 71, motor; 72, first bevel gear; 73, second bevel gear; 8, moving plate; 9, sliding assembly; 91, first sliding block; 92, first sliding slot; 10, connecting rod; 11, mounting plate; 12, fixed table; 13, support; 14, guide roller; 15, telescopic rod; 16, telescopic spring; 17, protective shell; 18, second sliding block; 19, lightening hole. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings of the embodiments of the utility model Figures 1-4 The technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] Please refer to Figure 1 A printing machine precision positioning device, including base 1 and setting on base 1 conveyor belt 2, the bottom of base 1 four corners are fixedly installed with support, the bottom of four supports are fixedly installed with rubber antiskid pad, rubber antiskid pad can increase the friction of support and ground, can make base 1 more stable when using. The top of base 1 is symmetrically installed with two guardrails 3, and printing frame 4 for printing paperboard. The outer side of two guardrails 3 is symmetrically installed with two equipment boxes 5, and the outer surface of equipment box 5 is fixedly installed with triangular reinforcing plate, one side of triangular reinforcing plate is fixedly connected with base 1, and triangular reinforcing plate can increase the contact area between equipment box 5 and base 1, so that the connection between equipment box 5 and base 1 is more stable.

[0033] Please refer to Figure 1 And Figure 2 The inner wall of two equipment boxes 5 is rotatably connected with threaded rod 6, one end of threaded rod 6 penetrates to the outside of equipment box 5 and is fixedly connected with driving mechanism 7, driving mechanism 7 includes motor 71, motor 71 is fixedly connected with equipment box 5, output end of motor 71 is fixedly installed with first bevel gear 72, first bevel gear 72 is meshingly connected with second bevel gear 73, second bevel gear 73 is fixedly connected with threaded rod 6, motor 71 can drive first bevel gear 72 to rotate, first bevel gear 72 can drive second bevel gear 73 to rotate, second bevel gear 73 can drive threaded rod 6 to rotate, which is conducive to improving the stability of threaded rod 6 rotation.

[0034] Please refer to Figures 1-3 The outer surface of the equipment box 5 is fixedly provided with a protective shell 17, the motor 71, the first bevel gear 72 and the second bevel gear 73 are arranged in the protective shell 17, the protective shell 17 is internally provided with a heat dissipation groove, the inner wall of the heat dissipation groove is fixedly provided with a dust screen, the protective shell 17 can protect the motor 71, the first bevel gear 72 and the second bevel gear 73, reduce the case of external objects bumping into the motor 71, the first bevel gear 72 and the second bevel gear 73, the heat generated by the motor 71 during use can be transmitted to the outside through the heat dissipation groove and the dust screen, and the dust screen reduces the entry of external dust and impurities into the protective shell 17.

[0035] Please refer to Figure 1 The outer surface of the threaded rod 6 is threadedly connected with a moving plate 8, the opposite sides of the moving plate 8 are both provided with a sliding assembly 9, the sliding assembly 9 comprises a first sliding block 91, one side of the first sliding block 91 is fixedly connected with the moving plate 8, the inner wall of the equipment box 5 is provided with a first sliding groove 92 matched with the first sliding block 91, the first sliding block 91 and the first sliding groove 92 can limit the movement range of the moving plate 8, and can also make the moving plate 8 move more stably.

[0036] Please refer to Figure 1 and Figure 4 One side of the moving plate 8 is fixedly provided with a connecting rod 10, one end of the connecting rod 10 away from the moving plate 8 penetrates through the inside of the guardrail 3 and is fixedly connected with a mounting plate 11, the outer side of the mounting plate 11 is fixedly provided with a fixed table 12, one side of the fixed table 12 is provided with a support 13, the support 13 is provided with a guide roller 14, a plurality of weight reduction holes 19 are uniformly arranged on the surface of the guide roller 14, the plurality of weight reduction holes 19 uniformly arranged can reduce the weight of the guide roller 14 without affecting the structural strength of the guide roller 14, which reduces the bearing pressure of the mounting plate 11 and is more energy-saving and environment-friendly. When facing paperboards of different widths, the staff can start the motor 71, the motor 71 can drive the first bevel gear 72 to rotate, the first bevel gear 72 can drive the second bevel gear 73 to rotate, the second bevel gear 73 can drive the threaded rod 6 to rotate, the threaded rod 6 can drive the moving plate 8 to move under the cooperation of the first sliding block 91 and the first sliding groove 92, the moving plate 8 can drive the connecting rod 10 and the mounting plate 11 to move, the mounting plate 11 can drive the fixed table 12 and the support 13 and the guide roller 14 connected on the fixed table 12 to move, so that the guide roller 14 is in contact with the edge of the paperboard.

[0037] Please refer to Figure 1 and Figure 4The inside of the fixed table 12 is fixedly provided with an elastic spring 16, one end of the elastic spring 16 is fixedly connected with the support 13, and the elastic spring 16 can reduce the hard contact between the guide roller 14 and the paperboard. The opposite sides of the support 13 are fixedly provided with second sliding blocks 18, and the inside of the fixed table 12 is provided with second sliding grooves matched with the second sliding blocks 18, so that the movement range of the support 13 is limited, and the support 13 can move more stably. The inside of the guardrail 3 is fixedly provided with an extension rod 15, and the extension end of the extension rod 15 is fixedly connected with the mounting plate 11, so that the movement position of the mounting plate 11 is limited, and the bearing strength of the mounting plate 11 is improved.

[0038] The working principle of the utility model is as follows: through the design of the base 1, the conveying belt 2, the guardrail 3, the printing frame 4, the equipment box 5, the threaded rod 6, the driving mechanism 7, the motor 71, the first bevel gear 72, the second bevel gear 73, the moving plate 8, the sliding assembly 9, the first sliding block 91, the first sliding groove 92, the connecting rod 10, the mounting plate 11, the fixed table 12, the support 13, the guide roller 14, the extension rod 15, the elastic spring 16, the protective shell 17, the second sliding block 18 and the lightening hole 19, when facing paperboards with different widths, the staff can start the motor 71, the motor 71 can drive the first bevel gear 72 to rotate, the first bevel gear 72 can drive the second bevel gear 73 to rotate, the second bevel gear 73 can drive the threaded rod 6 to rotate, the threaded rod 6 can drive the moving plate 8 to move under the cooperation of the first sliding block 91 and the first sliding groove 92, the moving plate 8 can drive the connecting rod 10 and the mounting plate 11 to move, the mounting plate 11 can drive the fixed table 12, the support 13 and the guide roller 14 connected to the fixed table 12 to move, so that the guide roller 14 contacts the edge of the paperboard, thereby achieving the purpose of quickly and accurately positioning and adjusting the position of the guide roller 14, facilitating subsequent printing of the paperboard, and the operation is simple and convenient, time-saving and labor-saving, and the working efficiency is improved.

[0039] The above only describes the preferred embodiments of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A precision positioning device for a printing press, comprising a base (1) and a conveyor belt (2) arranged on the base (1), characterized in that: The top of the base (1) is fixedly installed with a guardrail (3), and a printing frame (4) for printing paperboard, the outer side of the guardrail (3) is fixedly installed with a device box (5), the inner wall of the device box (5) is rotatably connected with a threaded rod (6), one end of the threaded rod (6) penetrates to the outside of the device box (5) and is fixedly connected with a driving mechanism (7), the outer surface of the threaded rod (6) is threadedly connected with a moving plate (8), the opposite sides of the moving plate (8) are provided with sliding assemblies (9), one side of the moving plate (8) is fixedly installed with a connecting rod (10), the end of the connecting rod (10) away from the moving plate (8) penetrates through the inside of the guardrail (3) and is fixedly connected with a mounting plate (11), the outer side of the mounting plate (11) is fixedly installed with a fixed table (12), one side of the fixed table (12) is provided with a support (13), the support (13) is provided with guide rollers (14).

2. A precision positioning device for a printing press according to claim 1, wherein: The inside of the guardrail (3) is fixedly installed with a telescopic rod (15), and the telescopic end of the telescopic rod (15) is fixedly connected with the mounting plate (11).

3. A precision positioning device for a printing press as claimed in claim 1, wherein: The driving mechanism (7) comprises a motor (71), the motor (71) is fixedly connected with the device box (5), the output end of the motor (71) is fixedly installed with a first bevel gear (72), the first bevel gear (72) is meshedly connected with a second bevel gear (73), and the second bevel gear (73) is fixedly connected with the threaded rod (6).

4. The precision positioning device for a printing press of claim 1, wherein: The inside of the fixed table (12) is fixedly installed with a telescopic spring (16), one end of the telescopic spring (16) is fixedly connected with the support (13).

5. The precision positioning device for a printing press of claim 1, wherein: The sliding assembly (9) comprises a first sliding block (91), one side of the first sliding block (91) is fixedly connected with the moving plate (8), and the inner wall of the device box (5) is provided with a first sliding groove (92) matched with the first sliding block (91).

6. A precision positioning device for a printing press as claimed in claim 3, wherein: The outer surface of the device box (5) is fixedly installed with a protective shell (17), the motor (71), the first bevel gear (72) and the second bevel gear (73) are arranged in the protective shell (17), the inside of the protective shell (17) is provided with a heat dissipation groove, and the inner wall of the heat dissipation groove is fixedly installed with a dustproof net.

7. The precision positioning device for a printing press of claim 1, wherein: The opposite sides of the support (13) are fixedly installed with second sliding blocks (18), and the inside of the fixed table (12) is provided with second sliding grooves matched with the second sliding blocks (18).

8. The precision positioning device for a printing press of claim 1, wherein: The surfaces of the guide rollers (14) are uniformly provided with a plurality of lightening holes (19).

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