CN216548423U

CN216548423U - Conveying device for multistage screen printing

Info

Publication number: CN216548423U
Application number: CN202122522381.8U
Authority: CN
Inventors: 韩进军
Original assignee: Dongguan Taiyi Packaging Products Co ltd
Current assignee: Dongguan Taiyi Packaging Products Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-17
Anticipated expiration: 2031-10-20

Abstract

The utility model relates to a conveying device for multi-stage screen printing. The conveying device comprises two side plates which are arranged at intervals, wherein two ends of the inner side surface of each side plate are respectively connected with a conveying wheel, when the conveying wheels are belt wheels, a conveying belt is connected between the two conveying wheels, and when the conveying wheels are chain wheels, a chain is connected between the two chain wheels; a carrier is arranged between the two side plates, and two ends of the carrier are respectively lapped on the conveying belts or chains on two sides; the two conveying wheels are respectively a driving conveying wheel and a driven conveying wheel, a transmission shaft is connected between the driving conveying wheels on the two sides, and the transmission shaft is connected with a driving device; a plurality of blocking devices arranged at intervals are connected between the two side plates, each blocking device comprises a bottom plate, and two ends of each bottom plate are fixedly connected with the side plates on two sides; the bottom plate is connected with a main lifting mechanism, and the main lifting mechanism is connected with a stop block unit. By arranging the blocking device, the average moving speed of the carrier is effectively improved, so that the working efficiency is improved.

Description

Conveying device for multistage screen printing

Technical Field

The utility model relates to the technical field of screen printing, in particular to a conveying device for multi-stage screen printing.

Background

When a plurality of screen printing devices are used for printing, the screen printing devices need independent operation; when the same conveying line is adopted, printed objects cannot enter a printing operation area at the same time due to a plurality of probabilities; so as to ensure that each screen printing device can be operated independently without being disturbed; the position interval of each screen printing device is strictly controlled, and the adjacent distance of the carriers carrying the printed objects is also strictly controlled during conveying; so as to ensure that all the screen printing devices can be simultaneously operated; in order to achieve the above purpose, a positioning structure is required to be arranged on the conveying mechanism, so that the carrier is correspondingly connected with the positioning structure; secondly, the pause time of the conveying mechanism during the operation of the screen printing device is generally set as the slowest operation time of the screen printing device plus the buffer time, so that all the screen printing devices can complete the printing operation within the pause time. In the starting and stopping process of the conveying device, the speed is relatively slow, so that the efficiency is low, and the overall cost is high; secondly, after the conveying device works for a long time, like a belt conveying device, a belt can be in fatigue tension, so that the positioning structure has deviation and needs to be corrected regularly.

Disclosure of Invention

The utility model aims to provide a conveying device for multi-stage screen printing, which can reduce start-stop or avoid start-stop and improve the working efficiency aiming at the defects of the prior art.

A conveying device for multistage screen printing comprises two side plates arranged at intervals, wherein two ends of the inner side surface of each side plate are respectively connected with a conveying wheel; a carrier is arranged between the two side plates, and two ends of the carrier are respectively lapped on the conveying belts or chains on two sides; the two conveying wheels connected with the same side plate are respectively a driving conveying wheel and a driven conveying wheel, a transmission shaft is connected between the driving conveying wheels on the two sides, and the transmission shaft is connected with a driving device for driving the transmission shaft to rotate; a plurality of blocking devices arranged at intervals are connected between the two side plates, each blocking device comprises a bottom plate, and two ends of each bottom plate are fixedly connected with the side plates on two sides; the bottom plate is connected with a main lifting mechanism, and the main lifting mechanism is connected with a stop block unit.

Preferably, be connected with a plurality of lifting devices between two blocks of curb plates, lifting device is located one side of blocking device, and lifting device includes the base plate, and the both ends of base plate are fixed in the curb plate of both sides respectively, and the base plate is connected with vice elevating system, and vice elevating system is connected with the lifting plate.

Furthermore, the lifting plate is provided with a positioning column, the lower end of the carrier is provided with a positioning hole matched with the positioning column, and the upper end of the positioning column is conical.

Furthermore, a plurality of middle conveying wheels fixed on the side plates are arranged between the driving conveying wheel and the driven conveying wheel.

Furthermore, the stop block unit comprises a main bottom plate connected with the main lifting mechanism, supporting blocks are respectively arranged on two sides of the main bottom plate, an articulated shaft is connected to the upper ends of the supporting blocks, a main stop block is movably connected to the upper ends of the supporting blocks through the articulated shaft, the main stop block comprises a stop part located at the upper end and a butting part located at the lower end, and a cushion block is arranged between the butting part and the main bottom plate.

Furthermore, the middle part of the blocking part is provided with an accommodating hole and is hinged with a pulley through a fixed shaft.

Further, an elastic member for preventing the rotation of the main stopper is connected to the main bottom plate.

Furthermore, the main bottom plate is connected with a connecting groove, the cushion block is provided with a through hole, the through hole is provided with a connecting piece, and one end of the connecting piece penetrates through the connecting through hole and is connected with the main bottom plate.

Furthermore, one end of the transmission shaft extends out of the corresponding side plate and is connected with the driving device through the transmission mechanism.

The utility model has the beneficial effects that: according to the utility model, the blocking device is arranged, so that the carrier can be blocked and positioned, thus each screen printing device can synchronously work, and then the conveying wheel does not stop working, and the chain or the belt always keeps moving at a uniform speed; the average moving speed of the carrier is effectively improved, and therefore the working efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of the present embodiment.

Fig. 2 is a schematic view of fig. 1 with the carrier removed.

Fig. 3 is a schematic view of a blocking device.

The reference signs are:

1-side plate; 2-conveying wheel; 3-a carrier; 4-intermediate conveying wheel; 5-blocking means; 6-a transmission shaft; 7-a chain; 8-lifting device; 51-bottom plate; 52-main lifting mechanism; 53-Main floor; 54-a support block; 55-main stop; 56-pulley; 57-cushion block; 81-auxiliary lifting mechanism; 82-lifting plate; 83-positioning post; 84-substrate.

Detailed Description

The following detailed description of the present invention is made with reference to the accompanying drawings. As shown in fig. 1-3.

Example 1: a conveying device for multistage screen printing comprises two side plates 1 arranged at intervals, wherein two ends of the inner side surface of each side plate 1 are respectively connected with a conveying wheel 2, when the conveying wheels 2 are belt wheels, a conveying belt is connected between the two conveying wheels 2, and when the conveying wheels 2 are chain wheels, a chain 7 is connected between the two chain wheels; a carrier 3 is arranged between the two side plates 1, and two ends of the carrier 3 are respectively lapped on the conveying belts or chains 7 on two sides; the two conveying wheels 2 connected with each side plate 1 are respectively a driving conveying wheel 2 and a driven conveying wheel 2, a transmission shaft 6 is connected between the driving conveying wheels 2 at the two sides, and the transmission shaft 6 is connected with a driving device (not shown in the figure) for driving the transmission shaft 6 to rotate; a plurality of blocking devices 5 arranged at intervals are connected between the two side plates 1, each blocking device 5 comprises a bottom plate 51, and two ends of each bottom plate 51 are fixedly connected with the side plates 1 on two sides; the main elevating mechanism 52 is connected to the bottom plate 51, and the stopper unit is connected to the main elevating mechanism 52.

According to the technical scheme, the blocking device 5 is added on the basis of the prior art, when the blocking device 5 is not used for screen printing, the stop block unit is positioned at the lower position and is lower than the carrier 3, and the carrier 3 can pass through the stop block unit; during specific setting, the blocking device 5 is arranged at a position corresponding to a screen printing plate of the screen printing device, and when screen printing is not performed and the carrier 3 does not enter a printing position, the blocking block unit moves upwards under the driving of the main lifting mechanism 52 and enters a moving track of the carrier 3; the transmission shaft 6 of the conveying device is driven by the driving device to rotate ceaselessly, and the driving conveying wheel 2 and the driven conveying wheel 2 are also not stopped; the belt or chain 7 is also constantly moving; the carrier 3 carries the printed object to continuously move forwards under the traction force of the belt or the chain 7; when the carrier 3 is abutted against the stop block, the carrier 3 is blocked from moving forwards; the carriers 3 enter the screen printing area at the same time, and the objects to be printed on the carriers 3 are positioned below the screen printing plate of the corresponding screen printing device; then the silk-screen printing device carries out silk-screen printing on the printed object; after the screen printing is finished, the main lifting mechanism 52 drives the stop block unit to descend, the carrier 3 leaves a printing station under the traction of the chain 7 or the belt, and after the carrier 3 leaves, the lifting device drives the stop block unit to ascend and enter the moving track of the next carrier 3; the conveying wheel 2 basically keeps rotating at a uniform speed all the time, so that starting and stopping are not needed. Therefore, the average speed of the carrier 3 in the moving process is higher, and the processing efficiency is improved. Secondly, the blocking device 5 is equivalent to a positioning device, and does not need to be corrected regularly, so that manpower and material resources are saved.

Preferably, a plurality of lifting devices 8 are connected between the two side plates 1, the lifting devices 8 are located on one side of the blocking device 5, each lifting device 8 comprises a base plate 84, two ends of each base plate 84 are respectively fixed to the side plates 1 on two sides, the base plates 84 are connected with an auxiliary lifting mechanism 81, and the auxiliary lifting mechanisms 81 are connected with lifting plates 82.

When the conveying device conveys, the two sides of the carrier 3 are lapped on the belts or chains 7 at the two sides; when printing is carried out, the carrier 3 is blocked by the block unit, the belt or chain 7 positioned below the carrier 3 still moves, the carrier 3 and the belt or chain 7 continuously slide relatively, and the sliding block can cause the carrier 3 to continuously vibrate, so that the quality of screen printing is in problem; in order to avoid the phenomenon, the lifting device 8 is arranged on one side of the blocking device 5, and the lifting device 8 is positioned below the corresponding screen printing device; when the carrier 3 is blocked, the lifting device 8 is actuated to lift the carrier 3 slightly upward by the lifting plate 82 a distance away from the belt or chain 7. When printing is completed, the lift plate 82 is driven by the sub-lift mechanism 81 to move away from the carrier 3, and the carrier 3 is mounted on the belt or chain 7.

Furthermore, the lifting plate 82 is provided with a positioning column 83, the lower end of the carrier 3 is provided with a positioning hole matched with the positioning column 83, and the upper end of the positioning column 83 is conical.

When lifting the carrier 3, the carrier 3 is also required to be kept at the correct position, so the technical scheme is provided with a positioning structure, namely, the lifting plate 82 is provided with a positioning column 83, the lower end of the carrier 3 is provided with a corresponding positioning hole, and the positioning column 83 is inserted into the positioning hole during positioning. For the convenience of insertion, the upper end of the positioning post 83 is tapered, and even if the carrier 3 is deviated in position during positioning, the carrier is guided by the upper end of the positioning post 83 to enter the correct position.

Furthermore, a plurality of middle conveying wheels 4 fixed on the side plates 1 are arranged between the driving conveying wheel 2 and the driven conveying wheel 2.

The middle conveying wheel 4 is arranged and can play a role of assisting in supporting a belt or a chain 7; avoiding the middle of the steel plate from bending to a larger extent.

Further, the stopper unit includes a main bottom plate 53 connected to the main lifting mechanism 52, support blocks 54 are respectively disposed on both sides of the main bottom plate 53, a hinge shaft is connected to an upper end of the support block 54 and a main stopper is movably connected thereto through the hinge shaft, the main stopper 55 includes a stopper portion located at an upper end and an abutting portion located at a lower end, and a cushion block 57 is disposed between the abutting portion and the main bottom plate 53.

When the hinge is specifically arranged, the main stop block can be arranged to be a right triangle, and the right-angle part of the main stop block is provided with a shaft hole and is hinged with the hinge shaft; the blocking part of the main block is used for blocking the carrier 3; when the blocking device 5 is fixed, the block unit needs to be matched with the screen printing device, so that the carrier 3 can be accurately stopped at a printing station; therefore, when the blocking device 5 is installed, the position of the stopper unit needs to be adjusted; if the bottom plate 51 of the blocking device 5 is adjusted, the adjustment is cumbersome. Therefore, the technical scheme is that the main stop block is set as a movable unit, and the blocking position of the blocking part is adjusted through the cushion block 57; when the installation is carried out, the bottom plate 51 can be fixed on the side plate 1; so that the blocking portion is located substantially near the predetermined position; and then the pad 57 is further provided to adjust the blocking position of the blocking portion. The adjustment is convenient.

Further, the middle part of the blocking part is provided with a containing hole and is hinged with a pulley 56 through a fixed shaft.

When the abutting position is adjusted, the carrier 3 needs to move back and forth; the upper end and the lower end of the main stop block are respectively provided with the blocking part and the abutting part, and the main stop block can rotate relative to the hinge shaft, so that the main stop block is in one-way blocking, the carrier 3 is probably contacted with the blocking part of the main stop block during back and forth movement, and the pulley 56 is arranged to reduce friction.

Further, an elastic member for preventing the rotation of the main stopper is connected to the main bottom plate 53.

The elastic member may be a spring, and both ends of the spring are connected to the main bottom plate 53 and the main stopper, respectively.

Further, the main bottom plate 53 is connected with a connecting groove, the spacer 57 is provided with a through hole provided with a connecting member, and one end of the connecting member passes through the connecting through hole and is connected with the main bottom plate 53.

In order to conveniently adjust the position of the cushion block 57 and fix the cushion block 57, the connecting piece is arranged in the technical scheme and is fixed through the connecting piece. The connecting piece can adopt bolts, screws and the like.

Furthermore, one end of the transmission shaft 6 extends out of the corresponding side plate 1 and is connected with the driving device through the transmission mechanism.

The driving device can be a motor and the like; the one end of transmission shaft 6 stretches out curb plate 1, and drive mechanism can be belt drive mechanism or gear drive mechanism etc. if the one end of transmission shaft 6 is connected with the belt pulley, is connected with the motor through belt drive mechanism, and this for prior art no longer gives details. The main elevating mechanism 52 and the sub elevating mechanism 81 may be cylinders.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the present description should not be interpreted as a limitation to the present invention.

Claims

1. A conveying device for multistage screen printing comprises two side plates arranged at intervals, wherein two ends of the inner side surface of each side plate are respectively connected with a conveying wheel; a carrier is arranged between the two side plates, and two ends of the carrier are respectively lapped on the conveying belts or chains on two sides; the two conveying wheels connected with the same side plate are respectively a driving conveying wheel and a driven conveying wheel, a transmission shaft is connected between the driving conveying wheels on the two sides, and the transmission shaft is connected with a driving device for driving the transmission shaft to rotate; the method is characterized in that: a plurality of blocking devices arranged at intervals are connected between the two side plates, each blocking device comprises a bottom plate, and two ends of each bottom plate are fixedly connected with the side plates on two sides; the bottom plate is connected with a main lifting mechanism, and the main lifting mechanism is connected with a stop block unit.

2. A conveying apparatus for multi-stage screen printing according to claim 1, wherein: the lifting device comprises a base plate, two ends of the base plate are respectively fixed on the side plates on two sides, the base plate is connected with an auxiliary lifting mechanism, and the auxiliary lifting mechanism is connected with a lifting plate.

3. A conveying apparatus for multi-stage screen printing according to claim 2, wherein: the lifting plate is provided with a positioning column, the lower end of the carrier is provided with a positioning hole matched with the positioning column, and the upper end of the positioning column is conical.

4. A conveying apparatus for multi-stage screen printing according to claim 1, wherein: and a plurality of middle conveying wheels fixed on the side plates are arranged between the driving conveying wheel and the driven conveying wheel.

5. A conveying apparatus for multi-stage screen printing according to claim 1, wherein: the stop block unit comprises a main bottom plate connected with the main lifting mechanism, supporting blocks are arranged on two sides of the main bottom plate respectively, an articulated shaft is connected to the upper ends of the supporting blocks, a main stop block is movably connected to the upper ends of the supporting blocks through the articulated shaft, the main stop block comprises a stop part located at the upper end and a butting part located at the lower end, and a cushion block is arranged between the butting part and the main bottom plate.

6. A conveying apparatus for multi-stage screen printing according to claim 5, wherein: the middle part of the blocking part is provided with an accommodating hole and is hinged with a pulley through a fixed shaft.

7. A conveying apparatus for multi-stage screen printing according to claim 5, wherein: the main bottom plate is connected with an elastic piece for preventing the main stop block from rotating.

8. A conveying apparatus for multi-stage screen printing according to claim 5, wherein: the main bottom plate is connected with a connecting groove, the cushion block is provided with a through hole, the through hole is provided with a connecting piece, and one end of the connecting piece penetrates through the connecting through hole and is connected with the main bottom plate.

9. A conveying apparatus for multi-stage screen printing according to claim 1, wherein: one end of the transmission shaft extends out of the corresponding side plate and is connected with the driving device through the transmission mechanism.