Automatic feeding device for pad printing machine

Abstract

The utility model relates to the field of pad printing machines, in particular to an automatic feeding device for a pad printing machine, which is characterized in that two groups of second telescopic rods are symmetrically mounted on one side, far away from a side plate, of the top of a worktable along the vertical direction, a storage bin is arranged above the worktable, and the output ends of the second telescopic rods are in transmission connection with the storage bin; fixing frames are installed on the inner walls of the two sides of the storage bin, a conveying belt is installed at the other ends of the fixing frames, a plurality of limiting blocks are evenly distributed on the surface of the conveying belt at equal intervals, a second pneumatic gripper is installed on each limiting block, and the ends, away from the conveying belt, of the limiting blocks are attached to the inner wall of the storage bin in a sliding mode. And an electric rotating disc is installed at the top of the workbench, the output end of the electric rotating disc is in transmission connection with a mechanical arm, and a first pneumatic grabbing clamp is installed at the other end of the mechanical arm, so that damage caused by collision of raw materials in the storage bin and the material receiving box is reduced, the working efficiency is improved, and integration of feeding and material receiving is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pad printing machines, and particularly relates to an automatic feeding device for pad printing machines. Background Art

[0002] Automatic pad printing machine is a printing equipment suitable for plastics, toys, glass, metal, ceramics, electronics, IC seals, etc. Pad printing is an indirect concave printing technology, which has become a major method for printing and decorating the surface of various objects.

[0003] After searching, the cited publication number is CN111300974A, the publication date is December 28, 2021, and the name is an automatic feeding pad printing machine for toy processing, including a column fixed on a fixed disk; a workpiece positioning hole runs through the upper surface of the circular turntable to the lower surface of the circular turntable; a rotating shaft is fixed on the rod body of the pressure rod; the pressure rod is rotatably connected to the connecting rod; a torsion spring is provided on the shaft body of the rotating shaft; one end of the torsion spring is fixed on the connecting rod; the other end of the torsion spring is fixed on the rotating shaft; the top of the ejector pin is pressed tightly on the surface of the groove; the side pressure device is composed of a roller and a spring sheet; one end of the spring sheet is fixed on the fixed disk; the other end of the spring sheet is fixedly connected to the roller; the roller extends into one of the workpiece positioning holes; and the pad printing head is arranged above the side pressure device. When using the present invention, the structure can realize the automation of toy printing processing, greatly reduce the labor intensity, and improve the quality of toy printing.

[0004] However, the above embodiment still has the following defects:

[0005] The above embodiment does not take into account the fully automatic loading of materials of different specifications and the collection of materials after printing, which reduces the scope of use of the machine. Utility Model Content

[0006] The loader is equipped with a plurality of control boards, each of which has a plurality of control boards, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader, and a plurality of control boards are connected to the loader

[0007] Furthermore, a side plate is installed at one edge of the workbench, a transverse plate is installed on the top of the workbench, a slide groove is opened on the transverse plate along its length direction, and a slider is slidably connected in the slide groove.

[0008] Furthermore, a first telescopic rod is installed on the sliding block in a horizontal direction, one end of the first telescopic rod is installed on the side plate, and a mounting plate is installed on the other end of the first telescopic rod.

[0009] Furthermore, a servo motor is installed on one side wall of the mounting plate, and an output end of the servo motor passes through one side wall of the mounting plate and is transmission-connected with a bidirectional threaded rod.

[0010] Furthermore, two groups of clamping blocks are symmetrically mounted on a side wall of the mounting plate away from the first telescopic rod, and each group of the clamping blocks is transmission-connected to the bidirectional threaded rod.

[0011] Furthermore, a support plate is installed on the top of the workbench, an offset printer is installed on the support plate, and an ink box is installed directly below the offset printer.

[0012] Furthermore, the ink box is connected to a side wall of the support plate, and a hot air blower is installed on the top of the workbench.

[0013] Furthermore, an air outlet pipe is installed at the output end of the hot air blower, and the air outlet of the air outlet pipe faces the horizontal plate.

[0014] The beneficial effects of the utility model are:

[0015] 1. By placing the raw materials into the storage bin from the opening, the raw materials are divided and fixed during the transportation of the raw materials through the limit block and the first pneumatic gripper on the conveyor belt and the raw materials are fed into the clamps at a uniform speed. At the same time, the second telescopic rod at the bottom of the storage bin can control the lifting of the storage bin. After printing is completed, the electric turntable drives the mechanical arm to move the printed raw materials to the receiving box through the second pneumatic gripper, which reduces the damage caused by the collision of the raw materials in the storage bin and the receiving box, improves work efficiency, and realizes the integration of loading and receiving.

[0016] 2. The ink on the surface of the raw material is quickly dried by the hot air blower and hot air pipe, which increases the ink forming speed and reduces the blurring of the pattern caused by the ink not being able to dry thoroughly, thus improving the quality of printing work.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The schematic diagram of the structure of the automatic feeding device for the pad printing machine according to the embodiment of the utility model is shown.

[0020] Figure 2 A schematic cross-sectional view of a material storage bin of an automatic material loading device for a pad printing machine according to an embodiment of the utility model is shown.

[0021] Figure 3 A schematic cross-sectional view of a clamp of an automatic feeding device for a pad printing machine according to an embodiment of the utility model is shown.

[0022] Figure 4 A schematic diagram of a conveying device of an automatic feeding device for a pad printing machine according to an embodiment of the utility model is shown.

[0023] In the figure: 1. workbench; 2. horizontal plate; 3. slide; 4. first telescopic rod; 5. side plate; 6. material receiving box; 7. slide block; 8. mounting plate; 9. clamping block; 10. servo motor; 11. bidirectional threaded rod; 12. conveyor belt; 13. fixing frame; 14. second telescopic rod; 15. storage bin; 16. support plate; 17. offset printing; 18. ink cartridge; 19. hot air blower; 20. air outlet duct; 21. electric turntable; 22. mechanical arm; 23. first pneumatic gripper; 24. support column; 121. limit block; 122. second pneumatic gripper. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The present utility model provides an automatic feeding device for a pad printing machine, for example, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown; it includes a workbench 1, a side panel 5 is installed at one edge of the workbench 1, a cross plate 2 is installed on the top of the workbench 1, a slide groove 3 is opened on the cross plate 2 along its length direction, a slider 7 is slidably connected in the slide groove 3, a first telescopic rod 4 is installed on the slider 7 along the horizontal direction, one end of the first telescopic rod 4 is installed on the side panel 5, and a mounting plate 8 is installed on the other end of the first telescopic rod 4, a servo motor 10 is installed on one side wall of the mounting plate 8, an output end of the servo motor 10 passes through one side wall of the mounting plate 8 and is transmission-connected with a bidirectional threaded rod 11, and two groups of clamping blocks 9 are symmetrically installed on a side wall of the mounting plate 8 away from the first telescopic rod 4, and each group of the clamping blocks 9 is transmission-connected with the bidirectional threaded rod 11.

[0026] Exemplarily, two groups of second telescopic rods 14 are symmetrically installed in the vertical direction on one side of the top of the workbench 1 away from the side panel 5, and a storage bin 15 is arranged above the workbench 1. The top and bottom of the storage bin 15 are both open-type designs, and the output end of the second telescopic rod 14 is transmission connected with the storage bin 15, and fixed frames 13 are installed on the inner walls of both sides of the storage bin 15, and a conveyor belt 12 is installed at the other end of the fixed frame 13, and a plurality of groups of limit blocks 121 are evenly distributed on the surface of the conveyor belt 12 at equal intervals, and each group of the limit blocks 121 is installed with a group of second pneumatic grippers 122, and one end of the limit blocks 121 away from the conveyor belt 12 is slidably fitted with the inner wall of the storage bin 15, and an electric turntable 21 is installed on the top of the workbench 1, and the output end of the electric turntable 21 is transmission connected with a mechanical arm 22, and the other end of the mechanical arm 22 is installed with a first pneumatic gripper 23.

[0027] Exemplarily, a support plate 16 is installed on the top of the workbench 1, an offset printing 17 is installed on the support plate 16, an ink box 18 is installed directly below the offset printing 17, and the ink box 18 is connected to a side wall of the support plate 16. A hot air blower 19 is installed on the top of the workbench 1, and an air outlet duct 20 is installed at the output end of the hot air blower 19, and the air outlet of the air outlet duct 20 is facing the direction of the horizontal plate.

[0028] Preferably, the workbench 1 is provided with a material receiving box 6 in the horizontal direction, and support columns 24 are installed at the edges around the bottom of the workbench 1.

[0029] Working principle:

[0030] First, the raw materials are placed into the storage bin 15 from the opening, and the limit blocks 121 and the pneumatic grippers 122 on the conveyor belt 12 divide and fix the raw materials during transportation and feed them between the clamping blocks 8 at a uniform speed. At the same time, the second telescopic rod 14 at the bottom of the storage bin 15 can control the lifting of the storage bin 15, and can adapt to raw materials of different specifications falling into the clamping blocks 8. The servo motor 10 is started to make the clamping blocks 8 move toward each other to fix the raw materials. Then, by starting the first telescopic rod 4, the slide groove 3 and the slider 7 are coordinated to move the raw materials to the bottom of the teaching printing 17 to complete the printing.

[0031] First, the printed raw materials are transported to the hot air blower 19 in the horizontal direction, and the ink on the surface of the raw materials is quickly dried by the hot air blower 19 and the hot air pipe 20. After the drying is completed, the electric turntable 21 drives the mechanical arm 22 and the first pneumatic clamp 23 to move the raw materials into the material receiving box.

[0032] 1. By placing the raw materials into the storage bin 15 from the opening, and passing through the limit block 121 and the first pneumatic gripper 122 on the conveyor belt 12, the raw materials are divided and fixed during the transportation of the raw materials and fed between the clamps at a uniform speed. At the same time, the second telescopic rod 14 at the bottom of the storage bin 15 can control the lifting and lowering of the storage bin 15. After printing is completed, the electric turntable 21 drives the mechanical arm 22 to move the printed raw materials to the receiving box 6 through the second pneumatic gripper 23, thereby reducing the damage caused by the collision of the raw materials in the storage bin 15 and the receiving box 6, improving the work efficiency, and realizing the integration of loading and receiving.

[0033] 2. The hot air blower 19 and the hot air pipe 20 allow the ink on the surface of the raw material to dry quickly, thereby increasing the ink forming speed and reducing the blurring of the pattern caused by the ink not being able to dry thoroughly, thereby improving the quality of the printing work.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic feeding device for a pad printing machine, comprising a workbench (1) characterized in that: Two sets of second telescopic rods (14) are symmetrically installed along the vertical direction on one side of the top of the workbench (1) away from the side plate (5); a storage bin (15) is arranged above the workbench (1); the top and bottom of the storage bin (15) are both open-type designs; the output end of the second telescopic rod (14) is transmission-connected to the storage bin (15); fixed frames (13) are installed on the inner walls of both sides of the storage bin (15); a conveyor belt (12) is installed at the other end of the fixed frame (13); and the surface of the conveyor belt (12) is evenly distributed with equal intervals. There are a plurality of groups of limit blocks (121), each group of the limit blocks (121) is equipped with a group of second pneumatic grippers (122), one end of the limit blocks (121) away from the conveyor belt (12) is slidably fitted with the inner wall of the storage bin (15), an electric turntable (21) is installed on the top of the workbench (1), the output end of the electric turntable (21) is transmission-connected to a mechanical arm (22), the other end of the mechanical arm (22) is equipped with a first pneumatic gripper (23), and a material receiving box (6) is arranged in the horizontal direction of the workbench (1).

2. The automatic feeding device for pad printing machine according to claim 1, characterized in that: A side plate (5) is installed at one edge of the workbench (1), a transverse plate (2) is installed on the top of the workbench (1), a slide groove (3) is opened on the transverse plate (2) along its length direction, and a slider (7) is slidably connected in the slide groove (3).

3. The automatic feeding device for pad printing machine according to claim 2, characterized in that: A first telescopic rod (4) is mounted on the slider (7) in the horizontal direction, one end of the first telescopic rod (4) is mounted on the side plate (5), and a mounting plate (8) is mounted on the other end of the first telescopic rod (4).

4. The automatic feeding device for pad printing machine according to claim 3, characterized in that: A servo motor (10) is installed on one side wall of the mounting plate (8); an output end of the servo motor (10) passes through one side wall of the mounting plate (8) and is transmission-connected to a bidirectional threaded rod (11).

5. The automatic feeding device for pad printing machine according to claim 4, characterized in that: Two groups of clamping blocks (9) are symmetrically mounted on a side wall of the mounting plate (8) away from the first telescopic rod (4), and each group of the clamping blocks (9) is drivingly connected to a bidirectional threaded rod (11).

6. The automatic feeding device for pad printing machine according to claim 1, characterized in that: A support plate (16) is installed on the top of the workbench (1), an offset printer (17) is installed on the support plate (16), and an ink cartridge (18) is installed directly below the offset printer (17).

7. The automatic feeding device for pad printing machine according to claim 6, characterized in that: The ink box (18) is connected to a side wall of the support plate (16), and a hot air blower (19) is installed on the top of the workbench (1).

8. The automatic feeding device for pad printing machine according to claim 7, characterized in that: An air outlet pipe (20) is installed at the output end of the hot air blower (19), and the air outlet of the air outlet pipe (20) faces the direction of the horizontal plate.

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