CN212269017U

CN212269017U - Receive four-color lithographic press of flitch height-adjustable

Info

Publication number: CN212269017U
Application number: CN202020462002.3U
Authority: CN
Inventors: 王小军; 唐云; 王丁建
Original assignee: Dongguan Senfutong Paper Products Co ltd
Current assignee: Dongguan Senfutong Paper Products Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-01-01
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to the technical field of printing machines, in particular to a four-color lithographic printing machine with an adjustable material receiving plate, which comprises a frame and a material receiving part, wherein a printing mechanism is arranged on the frame, and the material receiving part is positioned behind the printing mechanism along the paper conveying direction; the material receiving part comprises a support, a material receiving plate and an adjusting assembly for adjusting the position of the material receiving plate, the adjusting assembly comprises a lifting mechanism for adjusting the material receiving plate to lift, and the lifting mechanism comprises a driving motor, a screw rod, a supporting plate and a bottom plate; the material collecting plate is characterized in that a mounting seat is mounted on the bottom plate, the lead screw is rotatably connected with the mounting seat, the driving motor is mounted on the bottom plate and drives the lead screw to rotate, the lead screw is in threaded connection with the supporting plate, and the material collecting plate is placed on the supporting plate. The utility model aims at providing a receive flitch height-adjustable's four-color lithographic printing machine is convenient for adjust by the high position of receipts flitch.

Description

Receive four-color lithographic press of flitch height-adjustable

Technical Field

The utility model belongs to the technical field of the technique of printing machine and specifically relates to a receive four-color lithographic printing machine of flitch height-adjustable is related to.

Background

Machines for printing text and images. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material, so that the same printed matter as that of the printing plate can be reproduced.

The existing printing machine generally comprises a machine frame, wherein a plurality of groups of printing mechanisms for printing and a conveying mechanism for conveying paper are arranged on the machine frame, the paper is offset printed by the printing mechanisms, a material receiving plate is arranged behind the printing mechanisms along the paper conveying direction, the paper is conveyed to the material receiving plate by the conveying mechanism after the offset printing is completed, and then the paper after the offset printing is completed is taken away by an operator.

The above prior art solutions have the following drawbacks: the position of the material receiving plate is fixed, and if the position of the material receiving plate is too far away from the position where the paper is placed, the falling distance of the paper is large, and bending wrinkles are easy to generate; if the position of the material receiving plate is too close to the paper placing position, after a certain amount of paper is placed, the paper and the paper placing position are easy to interfere.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a receive four-color lithographic printing machine of flitch height-adjustable, its effect that has is: the height position of the material receiving plate is convenient to adjust.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a four-color lithographic printing machine with an adjustable material receiving plate comprises a machine frame and a material receiving part, wherein a printing mechanism is arranged on the machine frame, and the material receiving part is positioned behind the printing mechanism along a paper conveying direction;

the material receiving part comprises a support, a material receiving plate and an adjusting assembly for adjusting the position of the material receiving plate, the adjusting assembly comprises a lifting mechanism for adjusting the material receiving plate to lift, and the lifting mechanism comprises a driving motor, a screw rod, a supporting plate and a bottom plate;

the material collecting plate is characterized in that a mounting seat is mounted on the bottom plate, the lead screw is rotatably connected with the mounting seat, the driving motor is mounted on the bottom plate and drives the lead screw to rotate, the lead screw is in threaded connection with the supporting plate, and the material collecting plate is placed on the supporting plate.

Through adopting above-mentioned technical scheme, when using this four-color lithographic printing machine, drive the lead screw through driving motor and rotate, drive the backup pad when the lead screw rotates and remove along the axis direction of lead screw, and then realize backup pad upward movement or downstream to adjust the height of backup pad, and then adjust the height of receiving the flitch.

The utility model discloses further set up to: the screw rods are arranged at two ends of the supporting plate respectively, the output end of the driving motor coaxially rotates to form a driving rod, the driving rod coaxially rotates to form two driving bevel gears, the lower end of the screw rod is provided with a driven bevel gear, and the driving bevel gears are meshed with the driven bevel gears.

By adopting the technical scheme, the two screw rods drive the supporting plate to lift, so that the supporting plate is lifted stably and is not easy to rotate relatively; the two screw rods are driven to rotate by one driving motor, so that synchronous rotation of the two screw rods is guaranteed, and cost is saved.

The utility model discloses further set up to: and the bracket is provided with scale marks.

Through adopting above-mentioned technical scheme, through observing the corresponding scale mark of backup pad when being located top and end position, alright reach the distance that the backup pad was adjusted, convenient operation.

The utility model discloses further set up to: the adjusting part still includes horizontal drive mechanism, horizontal drive mechanism includes guide rail and slurcam, the guide rail sets up to two sets of and two sets of guide rail length direction and is parallel to each other, the slurcam is followed guide rail length direction with guide rail sliding connection, when receiving the flitch and being located the extreme low position, the slurcam with it is located same horizontal position to receive the flitch.

Through adopting above-mentioned technical scheme, through removing the slurcam, release the receipts flitch from the backup pad, the operating personnel of being convenient for takes out the receipts flitch.

The utility model discloses further set up to: a driving plate extends from one end of the pushing plate.

Through adopting above-mentioned technical scheme, through removing the drive plate to the drive catch plate sets up the drive plate, increases operating space, and the operating personnel of being convenient for removes the catch plate.

The utility model discloses further set up to: the support lower extreme is provided with the slip inclined plane, the slip inclined plane is highly less gradually towards the direction of keeping away from the support, and when the receipts flitch was located the extreme low position, the highest point on slip inclined plane with the up end parallel and level of bottom plate.

Through adopting above-mentioned technical scheme, when receiving the flitch and being located the extreme low position, through removing the slurcam, release the receiving plate, the receiving plate slides to the inclined plane that slides on, is convenient for take out the receiving plate.

The utility model discloses further set up to: a grabbing mechanism is arranged in the material receiving part and comprises a clamping part for clamping paper and a transmission part for driving the clamping part to move;

the transmission part comprises two conveyor belts arranged on the inner wall of the support, the conveyor belts are tensioned through conveyor wheels, and the clamping part is arranged on the conveyor belts.

Through adopting above-mentioned technical scheme, the paper is held to the clamping part, then moves under the drive of conveyer belt to realize the transmission of paper.

The utility model discloses further set up to: the clamping part comprises an installation block, an installation rod, a coil spring clamp and a fixing plate;

the installation piece fixed connection in on the conveyer belt, the installation pole with installation piece fixed connection, the spring clamp is installed on the installation piece, the spring clamp install in on the installation pole, the spring clamp include with the stiff end of installation pole connection and with stiff end fixed connection's exposed core, the fixed plate with the exposed core laminating.

Through adopting above-mentioned technical scheme, through controlling the spring clamp, when the spring clamp was opened, the paper conveyed to between spring clamp and the fixed plate, then the spring clamp presss from both sides tightly, live the paper centre gripping, and the paper follows the clamping part and removes, and when removing to receipts flitch position department, the spring clamp was opened once more, and the paper drops to receiving flitch department.

The utility model discloses further set up to: the clamping parts are arranged into a plurality of groups and are uniformly distributed on the conveying belt.

Through adopting above-mentioned technical scheme, be provided with multiunit clamping part on the conveyer belt to make the conveyer belt rotate the round and can drive many papers, improve production efficiency.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the printing machine is provided with the adjusting assembly, so that the height position of the material receiving plate is convenient to adjust, and the material receiving plate is easy to take out;

2. the support lower extreme is provided with the slip inclined plane, and when removing the slurcam, receive the flitch and slide to the slip inclined plane on, be convenient for take out the material receiving plate.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a material receiving portion according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an adjusting assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the grasping mechanism according to the embodiment of the present invention.

In the figure, 1, a frame; 11. a printing mechanism; 2. a material receiving part; 21. a support; 22. a material collecting plate; 23. an adjustment assembly; 231. a lifting mechanism; 2311. a drive motor; 2312. a screw rod; 2313. a support plate; 2314. a base plate; 2315. a mounting seat; 2316. a drive rod; 2317. a drive bevel gear; 2318. a driven bevel gear; 2319. a supporting seat; 232. a horizontal driving mechanism; 2321. a guide rail; 2322. a push plate; 2323. a drive plate; 233. a sliding ramp; 24. a grabbing mechanism; 241. a clamping portion; 2411. mounting blocks; 2412. mounting a rod; 2413. spring coiling clips; 2413a, a fixed end; 2313b, a clamping end; 2414. a fixing plate; 242. a transmission section; 2421. a conveyor belt; 2422. a transfer wheel; 25. and a baffle plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a receive four-color lithographic printing machine of flitch height-adjustable, including frame 1 and receive material portion 2, be provided with printing mechanism 11 in the frame 1, affiliated receipts material portion 2 is located printing mechanism 11's rear along paper direction of transfer.

Referring to fig. 2 and 3, specifically, the material receiving portion 2 includes a bracket 21, a material receiving plate 22, and an adjusting assembly 23 for adjusting the position of the material receiving plate 22, the adjusting assembly 23 includes a lifting mechanism 231 for adjusting the material receiving plate 22 to lift, and the lifting mechanism 231 includes a driving motor 2311, a lead screw 2312, a supporting plate 2313, and a bottom plate 2314; the mounting seat 2315 is mounted on the bottom plate 2314, the screw rod 2312 is rotatably connected with the mounting seat 2315, the driving motor 2311 is mounted on the bottom plate 2314, the driving motor 2311 drives the screw rod 2312 to rotate, the screw rod 2312 is in threaded connection with the supporting plate 2313, and the material receiving plate 22 is placed on the supporting plate 2313. In this embodiment, the lead screw 2312 is connected to the mounting seat 2315 through a bearing.

Referring to fig. 3, the two screw rods 2312 are respectively disposed at two ends of the support plate 2313, the output end of the driving motor 2311 coaxially rotates to form a driving rod 2316, the driving rod 2316 coaxially rotates to form two driving bevel gears 2317, the lower end of the screw rod 2312 is provided with a driven bevel gear 2318, and the driving bevel gears 2317 and the driven bevel gears 2318 are meshed with each other. The two screw rods 2312 drive the supporting plate 2313 to ascend and descend, so that the supporting plate 2313 is stably ascended and descended, and the supporting plate 2313 is not easy to relatively rotate; the two screw rods 2312 are driven to rotate by one driving motor 2311 at the same time, so that the two screw rods 2312 are ensured to rotate synchronously, and the cost is saved.

Fixedly connected with supporting seat 2319 on the base, actuating lever 2316 run through supporting seat 2319 and are connected with supporting seat 2319 rotation, and supporting seat 2319 sets up to three groups and even interval distribution, and actuating lever 2316 is under the effect of self gravity, and actuating lever 2316 can produce certain bending deformation to influence the transmission of actuating lever 2316, through setting up the bracing piece, support actuating lever 2316, make actuating lever 2316 be difficult for taking place to warp.

To facilitate the distance adjustment of the operator support plate 2313, further, the bracket 21 is provided with scale marks. During the use, through observing the corresponding scale mark when backup pad 2313 is located the beginning and ending position, alright reachs the distance that backup pad 2313 adjusted, convenient operation.

Referring to fig. 3, the adjusting assembly 23 further includes a horizontal driving mechanism 232, the horizontal driving mechanism 232 includes two sets of guide rails 2321 and a pushing plate 2322, the two sets of guide rails 2321 are arranged in parallel with each other in the length direction of the two sets of guide rails 2321, the pushing plate 2322 is connected with the guide rails 2321 in a sliding manner along the length direction of the guide rails 2321, and when the material receiving plate 22 is located at the lowest position, the pushing plate 2322 and the material receiving plate 22 are located at the same horizontal position. By moving the pushing plate 2322, the material receiving plate 22 is pushed out from the supporting plate 2313, so that the operator can take out the material receiving plate 22 conveniently.

Referring to fig. 3, a driving plate 2323 extends from one end of the pushing plate 2322. By moving the driving plate 2323 to drive the pushing plate 2322, the driving plate 2323 is provided to increase an operation space, which is convenient for an operator to move the pushing plate 2322. The driving plate 2323 may be driven manually by an operator, or may be provided with a driving member such as an air cylinder.

Referring to fig. 2, the lower end of the bracket 21 is provided with a sliding inclined surface 233, the height of the sliding inclined surface 233 is gradually reduced toward a direction away from the bracket 21, and when the material receiving plate 22 is located at the lowest position, the highest point of the sliding inclined surface 233 is flush with the upper end surface of the bottom plate 2314. When the material receiving plate 22 is located at the lowest position, the pushing plate 2322 is moved to push out the material receiving plate 22, and the material receiving plate 22 slides to the sliding inclined surface 233, so that the material receiving plate 22 can be taken out conveniently.

Referring to fig. 2 and 4, a grabbing mechanism 24 is arranged in the material receiving portion 2, and the grabbing mechanism 24 includes a clamping portion 241 for clamping paper and a transmission portion 242 for driving the clamping portion 241 to move; the transmission part 242 includes two conveyor belts 2421 disposed on the inner wall of the bracket 21, the conveyor belts 2421 are tensioned by a conveyor wheel 2422, and the clamping part 241 is mounted on the conveyor belts 2421. The gripping portion 241 grips the sheet and then moves by the driving of the conveyor belt 2421, thereby achieving the driving of the sheet.

Referring to fig. 2, the holder 21 is provided with a flapper 25 behind the nip portion 241 in the sheet conveying direction, and the flapper 25 prevents the sheet from dropping out of the holder 21 by inertia.

Referring to fig. 4, in particular, the clamping portion 241 includes a mounting block 2411, a mounting rod 2412, a coil clamp 2413, and a fixing plate 2414; the installation block 2411 is fixedly connected to the conveyor belt 2421, the installation rod 2412 is fixedly connected to the installation block 2411, the coil spring clamp 2413 is installed on the installation rod 2412, the coil spring clamp 2413 comprises a fixed end 2313a connected to the installation rod 2412 and a clamping end 2313b fixedly connected to the fixed end 2313a, and the fixing plate 2414 is attached to the clamping end 2313 b. When the paper collecting plate is used, by controlling the coil spring clamp 2413, when the coil spring clamp 2413 is opened, paper is conveyed between the coil spring clamp 2413 and the fixing plate 2414, then the coil spring clamp 2413 clamps the paper, the paper is clamped, the paper moves along with the clamping part 241, when the paper moves to the position of the material collecting plate 22, the coil spring clamp 2413 is opened again, and the paper falls to the position of the material collecting plate 22.

The clamping portions 241 are arranged in a plurality of groups and are uniformly distributed on the conveyor belt 2421. The conveyor belt 2421 is provided with a plurality of groups of clamping parts 241, so that the conveyor belt 2421 can drive a plurality of paper sheets by rotating for one circle, and the production efficiency is improved.

The implementation principle of the embodiment is as follows:

when the four-color lithographic printing machine is used, the screw rod 2312 is driven to rotate by the driving motor 2311, the support plate 2313 is driven to move along the axis direction of the screw rod 2312 when the screw rod 2312 rotates, the support plate 2313 moves upwards or downwards, the height of the support plate 2313 is adjusted, and then the height of the material collecting plate 22 is adjusted.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a receive four-color lithographic printing machine of flitch height-adjustable which characterized in that: the paper collecting device comprises a rack (1) and a material collecting part (2), wherein a printing mechanism (11) is arranged on the rack (1), and the material collecting part (2) is positioned behind the printing mechanism (11) along the paper conveying direction;

the material receiving part (2) comprises a support (21), a material receiving plate (22) and an adjusting assembly (23) for adjusting the position of the material receiving plate (22), the adjusting assembly (23) comprises a lifting mechanism (231) for adjusting the material receiving plate (22) to lift, and the lifting mechanism (231) comprises a driving motor (2311), a screw rod (2312), a supporting plate (2313) and a bottom plate (2314);

the material collecting plate is characterized in that a mounting seat (2315) is mounted on the bottom plate (2314), the screw rod (2312) is rotationally connected with the mounting seat (2315), the driving motor (2311) is mounted on the bottom plate (2314), the driving motor (2311) drives the screw rod (2312) to rotate, the screw rod (2312) is in threaded connection with the supporting plate (2313), and the material collecting plate (22) is placed on the supporting plate (2313).

2. The four-color lithographic printing machine with the height-adjustable material receiving plate as claimed in claim 1, wherein: the two screw rods (2312) are arranged and are respectively positioned at two ends of the supporting plate (2313), the output end of the driving motor (2311) coaxially rotates to form a driving rod (2316), the driving rod (2316) coaxially rotates to form two driving bevel gears (2317), the lower end of each screw rod (2312) is provided with a driven bevel gear (2318), and the driving bevel gears (2317) are meshed with the driven bevel gears (2318).

3. The four-color lithographic printing machine with the height-adjustable material receiving plate as claimed in claim 1, wherein: the bracket (21) is provided with scale marks.

4. The four-color lithographic printing machine with the height-adjustable material receiving plate as claimed in claim 1, wherein: the adjusting assembly (23) further comprises a horizontal driving mechanism (232), the horizontal driving mechanism (232) comprises guide rails (2321) and pushing plates (2322), the guide rails (2321) are arranged into two groups, the length directions of the two groups of guide rails (2321) are parallel to each other, the pushing plates (2322) are connected with the guide rails (2321) in a sliding mode along the length direction of the guide rails (2321), and when the material collecting plate (22) is located at the lowest position, the pushing plates (2322) and the material collecting plate (22) are located at the same horizontal position.

5. The four-color lithographic printing machine with the height-adjustable material receiving plate as claimed in claim 4, wherein: one end of the pushing plate (2322) extends to form a driving plate (2323).

6. The four-color lithographic printing machine with the height-adjustable material receiving plate as claimed in claim 4, wherein: the lower end of the support (21) is provided with a sliding inclined surface (233), the height of the sliding inclined surface (233) is gradually smaller towards the direction away from the support (21), and when the material collecting plate (22) is located at the lowest position, the highest point of the sliding inclined surface (233) is flush with the upper end face of the bottom plate (2314).

7. The four-color lithographic printing machine with the height-adjustable material receiving plate as claimed in claim 1, wherein: a grabbing mechanism (24) is arranged in the material receiving part (2), and the grabbing mechanism (24) comprises a clamping part (241) for clamping paper and a transmission part (242) for driving the clamping part (241) to move;

the transmission part (242) comprises two conveyor belts (2421) arranged on the inner wall of the support (21), the conveyor belts (2421) are tensioned through conveyor wheels (2422), and the clamping part (241) is installed on the conveyor belts (2421).

8. The four-color lithographic printing machine with the height-adjustable material receiving plate as claimed in claim 7, wherein: the clamping part (241) comprises an installation block (2411), an installation rod (2412), a coil spring clamp (2413) and a fixing plate (2414);

the installation block (2411) is fixedly connected to the conveyor belt (2421), the installation rod (2412) is fixedly connected with the installation block (2411), the coil spring clamp (2413) is installed on the installation rod (2412), the coil spring clamp (2413) comprises a fixed end (2413 a) connected with the installation rod (2412) and a clamping end (2313 b) fixedly connected with the fixed end (2413 a), and the fixing plate (2414) is attached to the clamping end (2313 b).

9. The four-color lithographic printing machine with the height-adjustable material receiving plate as claimed in claim 7, wherein: the clamping parts (241) are arranged into a plurality of groups and are uniformly distributed on the conveyor belt (2421).