CN214522617U

CN214522617U - Feeding device of net stretching machine

Info

Publication number: CN214522617U
Application number: CN202120301999.9U
Authority: CN
Inventors: 张丕俊
Original assignee: Qingdao Tianchengtai Plate Making Co ltd
Current assignee: Qingdao Tianchengtai Plate Making Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-29
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a loading attachment of net stretching machine relates to plate-making equipment technical field. The feeding device comprises a support frame, a support frame arranged on the upper surface of the support frame and a plurality of clamping devices arranged on the upper surface of the support frame, wherein the support frame is of a structure shaped like a Chinese character 'hui', a material placing box and two feeding shafts are arranged in the support frame in a sliding manner, and a feeding barrel is fixedly arranged on the surface of each feeding shaft. The silk screen roll is placed into the material placing box, one end of the silk screen roll is pulled out and wound on the surface of the feeding barrel, and the silk screen roll is driven to be unfolded along with the movement of the feeding shaft, so that the process of manually unfolding the silk screen roll is omitted, and the feeding of the net stretching machine is facilitated.

Description

Feeding device of net stretching machine

Technical Field

The utility model relates to a plate-making equipment technical field especially relates to a material loading device of net stretching machine.

Background

The screen stretching machine is a special auxiliary machinery for screen printing plate making, and it stretches the screen on the screen frame with a certain tension as an important device of the printing plate carrier. Before the screen is fixed on the screen frame, the screen roll needs to be unrolled.

Chinese patent with patent publication No. CN102922866A proposes a net stretching machine, which comprises a frame and a net frame placing rack, wherein a plurality of clamping devices are uniformly arranged on the frame around the net frame placing rack, each clamping device comprises a chuck, and the chucks are mounted on a mounting seat; the mounting seat is mounted on the screw rod through a screw rod nut and can be driven by the screw rod to perform linear motion; the screw rod is arranged on a rack of the net stretching machine, penetrates through the rack and is connected with a handle positioned on the outer side of the rack; the chuck comprises a lower chuck fixed on the mounting seat and an upper chuck arranged on the connecting rod mechanism, and the upper chuck can move close to or far away from the lower chuck under the driving of the connecting rod mechanism; the contact surfaces of the upper chuck and the lower chuck are of rubber structures.

Before the silk screen is fixed in the screen stretching machine, the coiled silk screen needs to be manually unfolded and then can be fixed, and the traditional screen stretching machine does not have the function of automatically unfolding the silk screen roll and needs to consume certain manpower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a loading attachment of net stretching machine has the function of automatic expansion silk screen book.

The utility model discloses a can realize through following technical scheme:

a feeding device of a net stretching machine comprises a support frame, a support frame arranged on the upper surface of the support frame, a net fixing plate and a plurality of clamping devices, wherein the net fixing plate and the clamping devices are arranged on the support frame, the support frame is of a structure shaped like a Chinese character 'hui', a material placing box and two feeding shafts are arranged in the support frame in a sliding mode, and feeding barrels are fixedly arranged on the surfaces of the feeding shafts.

Through adopting above-mentioned technical scheme, the staff puts the silk screen book in the blowing box in the one end of carriage, takes out the one end of silk screen book again, winds the silk screen on two feed drums along wave route from top to bottom earlier, then presss from both sides the silk screen with clamping device, and later two feed shafts of drive move towards the other end of carriage, and the silk screen book in the blowing box constantly rotates, and the silk screen between the feed drum is rolled up along with the removal of feed drum and is unfolded, the utility model discloses a cooperation of two feed drums and blowing box, along with the removal of feed drum, the feed drum is dragged the silk screen book and is rotated and expand the silk screen in the blowing box, has left out the artifical process of unfolding the silk screen book, has saved certain manpower.

Further setting the following steps: two fixing plates are fixedly arranged on two opposite inner walls of the supporting frame along the horizontal direction, the two fixing plates on the same inner wall are oppositely arranged, and one end of the feeding shaft is in sliding fit with the two oppositely arranged fixing plates.

Through adopting above-mentioned technical scheme, the pay-off axle removes between the fixed plate, and the fixed plate has stipulated the removal route of pay-off axle.

Further setting the following steps: the two ends of the feeding shaft are movably sleeved with circular rings, a fixed rod is connected between the two circular rings at the same ends of the two feeding shafts, two feeding cylinders are fixedly arranged on one side of the supporting frame, and the end parts of piston rods of the two feeding cylinders penetrate through one side of the supporting frame and are fixedly connected with the circular rings on the same side respectively.

Through adopting above-mentioned technical scheme, the pay-off cylinder starts to promote the ring and removes, drives the pay-off axle and removes, but the dead lever between the ring has guaranteed that two pay-off axles equidistance remove.

Further setting the following steps: the two fixed plates far away from the upper surface of the support frame are provided with racks fixedly on the upper surface, gears are fixedly arranged on the periphery of the feeding shaft and are meshed with the racks, a movable plate is arranged on one side, close to the feeding shaft, of the fixed plate in a sliding mode, two limiting holes are formed in the movable plate, limiting grooves are formed in two end portions of the feeding shaft, the limiting holes are in running fit with the limiting grooves, two limiting grooves are formed in one side, close to the fixed plate, of the movable plate, and the limiting grooves are in sliding fit with the fixed plate.

By adopting the technical scheme, the feeding shaft moves to drive the gear to move on the rack, so that the rotation of the feeding shaft is realized; the position of the feeding shaft is limited by the limiting groove and the limiting groove on the moving plate, so that the feeding shaft is prevented from being deviated in position and falling from the fixed plate.

Further setting the following steps: one the both ends of pay-off axle all the activity cover be equipped with the movable ring, the movable ring is oval structure, the movable ring with pay-off axle normal running fit, two the movable ring is kept away from the one end of pay-off axle all rotates and is provided with the connecting rod, the blowing box set firmly with two between the connecting rod.

Through adopting above-mentioned technical scheme, along with the removal of pay-off axle, but the pay-off axle and the connecting rod synchronous motion of setting in same activity intra-annular to drive feeding box and pay-off axle synchronous motion.

Further setting the following steps: the blowing box upper surface sets firmly two montants and the articulated two hinge arms that are connected with, two rotate between the montant and be connected with the gag lever post, the gag lever post with blowing box parallel arrangement, two it is provided with clamping rod to rotate between the hinge arm, clamping rod with gag lever post week side all rotates and is provided with the clamping cylinder, the montant with be connected with the spring between the hinge arm.

Through adopting above-mentioned technical scheme, the staff pulls open one section distance with hinge bar and montant and lets the silk screen pass, and the spring is tensile this moment, and later the staff loosens the hand again, and the spring return drives the hinge bar return to drive the tight silk screen of clamp cylinder clamp, avoided along with the pulling-out of silk screen drives the silk screen book and is pulled out.

Further setting the following steps: and a limiting plate is fixedly arranged at one end of the connecting rod, which is far away from the material placing box.

Through adopting above-mentioned technical scheme, the limiting plate has restricted the position of connecting rod, has avoided the connecting rod to drop from the activity inter-annular.

To sum up, the utility model discloses a beneficial technological effect does:

(1) through the cooperation of clamping device, a pay-off section of thick bamboo and blowing box, put the blowing box in the material collecting box, walk around two pay-off section of thick bamboos with the silk screen according to wave route from top to bottom earlier, then clamping device presss from both sides the one end of tight silk screen, later along with the removal of a pay-off section of thick bamboo, constantly rotate the silk screen book in the blowing box, the silk screen book is constantly pulled out the blowing box and is expanded, has realized the automatic feeding of the machine of stretching wire, has left out the process that the manual work expanded the silk screen, has saved certain manpower.

(2) Through the cooperation of the gear and the rack that mesh mutually, the pay-off cylinder starts to promote the pay-off axle and removes, drives the gear and removes on the rack, realizes the rotation of pay-off axle, cooperates ring and dead lever again, has guaranteed that two pay-off axles equidistance can remove.

(3) The position of the feeding shaft is limited by arranging the limiting groove and the limiting hole on the moving plate and the limiting groove on the feeding shaft, and the feeding shaft is prevented from being separated from the conveying belt when moving.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 3;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;

fig. 6 is an enlarged view of a portion D in fig. 5.

Reference numerals: 1. a support frame; 2. a support frame; 3. a clamping device; 4. fixing the screen plate; 5. a slide plate; 6. a tensioning cylinder; 7. a fixing plate; 8. a feed shaft; 9. a circular ring; 10. fixing the rod; 11. a feeding cylinder; 12. a rack; 13. a gear; 14. moving the plate; 15. a limiting hole; 16. a limiting groove; 17. a limiting groove; 18. a movable ring; 19. a connecting rod; 20. a limiting plate; 21. placing a material box; 22. a vertical rod; 23. a hinged lever; 24. a pinch roller; 25. a spring; 26. a feeding cylinder.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to the figure 1, for the utility model discloses a loading attachment of screen stretching machine, which comprises a supporting rack 1, install the carriage 2 of support frame 1 upper surface and set up solid otter board 4 and a plurality of clamping device 3 on carriage 2, carriage 2 is "returning" style of calligraphy structure, carriage 2 internal slipping is provided with two slide 5, gu the otter board 4 sets firmly along 5 length direction of slide, partly clamping device 3 sets firmly on slide 5 along 5 length direction equidistance of slide, another part sets firmly in 2 width side upper surfaces of carriage along 2 width direction equidistance of carriage, 2 two opposite flank of carriage all set firmly tensioning cylinder 6, 6 piston rod end portions of tensioning cylinder pass carriage 2 one side and 5 fixed connection of slide.

Referring to fig. 2 and 5, the support frame 2 is internally provided with two feeding shafts 8 in a sliding manner, the feeding barrels 26 are fixedly arranged on the periphery of each feeding shaft 8, two fixing plates 7 are fixedly arranged on two opposite inner walls of the support frame 2 along the horizontal direction, the two fixing plates 7 on the same inner wall are oppositely arranged, racks 12 are fixedly arranged on the upper surfaces of the two fixing plates 7 far away from the upper surface of the support frame 2, gears 13 are fixedly arranged on the periphery of each feeding shaft 8, and the gears 13 are meshed with the racks 12. Referring to fig. 4, two ends of the feeding shaft 8 are movably sleeved with circular rings 9, a fixing rod 10 is connected between the two circular rings 9 positioned on the same side of the two feeding shafts 8, two feeding cylinders 11 are fixedly arranged on one side of the supporting frame 2, and the end parts of piston rods of the two feeding cylinders 11 penetrate through one side of the supporting frame 2 and are fixedly connected with the circular rings 9 on the same side respectively. One side of the fixed plate 7 close to the feeding shaft 8 is provided with a movable plate 14 in a sliding manner, the movable plate 14 is provided with two limiting holes 15, two end parts of the feeding shaft 8 are provided with limiting grooves 16, the limiting holes 15 are in running fit with the limiting grooves 16, two limiting grooves 17 are formed in the movable plate 14 close to one side of the fixed plate 7 in a parallel manner, and the limiting grooves 17 are in sliding fit with the fixed plate 7.

The feeding cylinder 11 is started to push the circular rings 9 to move so as to drive the feeding shaft 8 to move, the feeding shaft 8 moves so as to drive the gear 13 to move on the rack 12 so as to drive the feeding shaft 8 to rotate, and the fixed rods 10 among the circular rings 9 ensure that the feeding shaft 8 moves at equal intervals; the position of the feeding shaft 8 is limited by the limiting groove 17 and the limiting hole 15 on the moving plate 14 and the limiting groove 16 on the feeding shaft 8, so that the feeding shaft 8 can stably move without deviation.

Referring to fig. 3 and 6, the both ends of a feeding shaft 8 are all equipped with the activity ring 18 along vertical direction activity cover, the activity ring 18 is oval structure, activity ring 18 and feeding shaft 8 normal running fit, the one end that feeding shaft 8 was kept away from to two activity rings 18 all rotates and is provided with connecting rod 19, the one end that feeding box 21 was kept away from to connecting rod 19 has set firmly limiting plate 20, feeding box 21 has set firmly between two connecting rods 19, feeding box 21 is the square open structure, feeding box 21 upper surface both ends are vertical to have set firmly two montants 22 and articulated two hinge bar 23 that are connected with, all rotate between hinge bar 23 and montant 22 and be provided with pinch rolls 24, be connected with spring 25 between montant 22 and hinge bar 23.

The worker pulls the hinge rod 23 and the vertical rod 22 apart by a certain distance to allow the silk screen to pass through, the spring 25 stretches, then the worker releases his hand again, the spring 25 returns to drive the hinge rod 23 to return, and the clamping cylinder is driven to clamp the silk screen; along with the removal of feeding shaft 8, connecting rod 19 through activity ring 18 and feeding shaft 8 be connected moves with feeding shaft 8 synchronous motion to drive discharging box 21 and feeding shaft 8 synchronous motion also, at discharging box 21 removal in-process, because press from both sides the tight clamp of tight section of thick bamboo to the silk screen, avoided along with the pulling out of silk screen to drive the silk screen book and pulled out.

The utility model discloses a theory of operation and beneficial effect do:

a worker puts a silk screen roll into the material placing box 21, penetrates one end of the silk screen through the clamping barrels, winds the silk screen to the surface of the material conveying barrel 26 along a wave-shaped path from top to bottom, and then clamps one end of the silk screen by the clamping device 3; after silk screen one end was cliied, along with the removal of pay-off section of thick bamboo 26, the silk screen is continuous to be pulled out, and the silk screen is rolled up and is rotated in discharge box 21 to expand the silk screen, after the silk screen expanded, the staff was decided the silk screen earlier, readjusts clamping device 3's position, then with the tip centre gripping in clamping device 3 that the silk screen was not cliied.

The feeding box 21 is placed into the receiving box through the matching of the clamping device 3, the feeding barrels 26 and the feeding box 21, the silk screen bypasses the two feeding barrels 26 according to a wave-shaped path from top to bottom, then the clamping device 3 clamps one end of the silk screen, and then the silk screen roll in the feeding box 21 is continuously rotated along with the movement of the feeding barrels 26, the silk screen roll is continuously pulled out of the feeding box 21 and is unfolded, so that the automatic feeding of the net stretching machine is realized; through the matching of the meshed gear 13 and the rack 12, the feeding cylinder 11 is started to push the feeding shafts 8 to move, the gear 13 is driven to move on the rack 12, the rotation of the feeding shafts 8 is realized, and the two feeding shafts 8 can move equidistantly through the matching of the circular ring 9 and the fixed rod 10; the position of the feeding shaft 8 is limited by arranging the limiting groove 16 and the limiting hole 15 on the moving plate 14 and the limiting groove 17 on the feeding shaft 8.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, 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 material loading attachment of net stretching machine which characterized in that: the device comprises a support frame (1), a support frame (2) arranged on the upper surface of the support frame (1), and a fixed screen plate (4) and a plurality of clamping devices (3) arranged on the support frame (2), wherein the support frame (2) is of a structure shaped like a Chinese character 'hui', a material placing box (21) and two feeding shafts (8) are arranged in the support frame (2) in a sliding manner, and feeding barrels (26) are fixedly arranged on the surfaces of the feeding shafts (8).

2. A feeder of a stretching machine according to claim 1, characterized in that: two fixing plates (7) are fixedly arranged on two opposite inner walls of the supporting frame (2) along the horizontal direction, the two fixing plates (7) on the same inner wall are oppositely arranged, and one end of the feeding shaft (8) is in sliding fit with the two fixing plates (7) which are oppositely arranged.

3. A feeder of a stretching machine according to claim 2, characterized in that: the two ends of the feeding shaft (8) are movably sleeved with circular rings (9), fixing rods (10) are connected between the two circular rings (9) at the same ends of the two feeding shafts (8), two feeding cylinders (11) are fixedly arranged on one side of the supporting frame (2), and the end parts of piston rods of the two feeding cylinders (11) penetrate through the supporting frame (2) and the circular rings (9) on the same side respectively.

4. A loading device of a screen stretching machine as claimed in claim 3, wherein: keep away from two of carriage (2) upper surface fixed plate (7) upper surface all has set firmly rack (12), feeding shaft (8) week side has set firmly gear (13), gear (13) with rack (12) intermeshing, fixed plate (7) are close to slide in one side of feeding shaft (8) is provided with movable plate (14), two spacing holes (15) have been seted up on movable plate (14), spacing recess (16) have all been seted up at the both ends of feeding shaft (8), spacing hole (15) with spacing recess (16) normal running fit, movable plate (14) are close to one side of fixed plate (7) has seted up two spacing grooves (17), spacing groove (17) with fixed plate (7) normal running fit.

5. A feeder of a stretching machine according to claim 1, characterized in that: one the both ends of pay-off axle (8) are all movable sleeve to be equipped with activity ring (18), activity ring (18) are oval structure, activity ring (18) with pay-off axle (8) normal running fit, two activity ring (18) are kept away from the one end of pay-off axle (8) is all rotated and is provided with connecting rod (19), discharge box (21) set firmly with two between connecting rod (19).

6. A feeder of a stretching machine according to claim 1, characterized in that: put magazine (21) upper surface and set firmly two montants (22) and articulated two hinge bar (23) of being connected with, two rotate between montant (22) and be connected with the gag lever post, the gag lever post with put magazine (21) parallel arrangement, two it is provided with tight pole to press from both sides to rotate between hinge bar (23), press from both sides tight pole with gag lever post week side all rotates and is provided with the clamping section of thick bamboo, montant (22) with be connected with spring (25) between hinge bar (23).

7. A loading device of a stretching machine according to claim 5, characterized in that: and a limiting plate (20) is fixedly arranged at one end of the connecting rod (19) far away from the material placing box (21).