Visual positioning pad printing machine

Abstract

The utility model discloses a visual positioning pad printing machine which comprises a machine frame, a pad printing table is arranged on the inner side of the machine frame, an ink box is arranged at one end of the pad printing table, a pad printing assembly is arranged on the top of the pad printing table, and a CCD visual camera is arranged on the top side of the pad printing table. The pad printing assembly comprises a mounting plate movably connected with the rack, a silica gel printing head is fixedly connected to the bottom of the mounting plate, a first moisturizing assembly and a second moisturizing assembly are arranged on the two sides of the bottom of the mounting plate correspondingly, and the first moisturizing assembly and the second moisturizing assembly are the same in structure; the first moisturizing assembly comprises a dustproof cover slidably connected with the bottom of the mounting plate, a sponge block is arranged in the dustproof cover, water is adsorbed in the sponge block, a water tank is arranged on the outer wall of the dustproof cover, one end of the water tank is connected with a conveying pipe, and one end of the conveying pipe penetrates through the dustproof cover to be connected with the sponge block. According to the device, the silica gel printing head can be sealed and stored when not used, meanwhile, the humidity of the silica gel printing head is kept in the storage process, and the phenomenon that the silica gel printing head is dry and cracks is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pad printing machine technical field, concretely is a visual positioning pad printing machine. BACKGROUND

[0002] Visual positioning pad printing machine is a kind of high-precision printing equipment, mainly for the accurate pattern or character printing on irregular shape or specific location, it combines machine vision technology and traditional pad printing technology, image is captured by camera, after accurate positioning to product, printing work is completed by pad printing head, this technique is especially applicable to the industry needing high-precision printing such as electronic component, medical equipment, cosmetic packaging.

[0003] At present, visual positioning pad printing machine mainly transfers ink pattern to the surface of product by the movement of pad printing head to achieve the purpose of pad printing, but the existing pad printing head is mostly silica gel material, pad printing head needs to keep the state of elasticity, and pad printing head cannot keep the humidity of pad printing head in the use and maintenance process, which can easily cause pad printing head to dry and crack, thereby affecting the service life of pad printing head and pad printing quality, and needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a visual positioning pad printing machine to solve the problem that pad printing head is prone to dry and crack due to material factors, affecting service life.

[0005] To achieve the above object, the utility model provides the following technical scheme: a visual positioning pad printing machine, including rack, rack inner side is provided with pad printing table, pad printing table one end is provided with ink box, pad printing table top is provided with pad printing assembly, pad printing table top side is provided with CCD vision camera;

[0006] Pad printing assembly includes the mounting plate that is movably connected with the rack, the silica gel printing head is fixedly connected at the bottom of mounting plate, the bottom of mounting plate is provided with first moisturizing component and second moisturizing component respectively, first moisturizing component and second moisturizing component are same in structure;

[0007] First moisturizing component includes dust cover that is slidably connected with the bottom of mounting plate, dust cover is provided with sponge block inside, sponge block is adsorbed with water inside, dust cover outer wall is provided with water tank, one end of water tank is connected with conveying pipe, one end of conveying pipe penetrates dust cover and is connected with sponge block, conveying pipe is provided with conveying pump.

[0008] Preferably, the both sides of the mounting plate are provided with a sliding slot, the top of the dust cover is provided with a convex structure, the convex structure is inserted into the sliding slot, the one side of the mounting plate is fixedly connected with a second electric cylinder, one end of the second electric cylinder is connected with the convex structure.

[0009] Preferably, the inner side of the second moisturizing assembly is fixedly connected with a clamping block, the inner side of the dustproof cover is provided with a clamping groove, and the clamping block and the clamping groove are in structure matching.

[0010] Preferably, the dustproof covers of the first moisturizing assembly and the second moisturizing assembly form a splicing structure, and the dustproof covers of the first moisturizing assembly and the second moisturizing assembly form a rectangular structure in splicing.

[0011] Preferably, the dustproof cover is in a straight angle hook-shaped structure in section, and the sponge block is movably connected with the dustproof cover.

[0012] Preferably, the top of the rack is provided with a reciprocating ball screw, and the reciprocating ball screw is provided with a first electric cylinder, and the lower end of the first electric cylinder is fixedly connected with the top of the mounting plate.

[0013] Preferably, the top of the water tank is provided with an opening, and the opening is connected with a nut.

[0014] Compared with the prior art, the device has the advantages that:

[0015] (1) The device can seal and store the silicone stamp when the silicone stamp is not used, and can keep the humidity of the silicone stamp during storage, so that the silicone stamp is not dried and cracked.

[0016] (2) The device is provided with dustproof covers that automatically slide and open and close on both sides of the silicone stamp at the bottom of the mounting plate, and is provided with wet sponges inside the dustproof covers, so that the humidity of the silicone stamp can be kept after the dustproof covers seal the silicone stamp.

[0017] (3) The device is provided with a water tank on one side of the dustproof cover, and the water tank is connected with the sponge through a conveying pipe, so that the sponge can be automatically supplied with water under the working of the conveying pump, the sponge is kept wet, and the humidity inside the dustproof cover is increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a visual positioning pad printing machine structure schematic view of the utility model;

[0019] Figure 2 It is a first moisturizing assembly sectional view of the visual positioning pad printing machine of the utility model;

[0020] Figure 3 It is a dustproof cover of the visual positioning pad printing machine of the utility model; Figure 2 It is an enlarged view of A in the middle;

[0021] Figure 4 It is a reciprocating ball screw plan view of the visual positioning pad printing machine of the utility model.

[0022] In the figure: 1, rack; 2, ink box; 3, pad printing platform; 4, reciprocating ball screw; 5, first electric cylinder; 6, pad printing assembly; 61, silica gel printing head; 62, first moisturizing assembly; 621, dustproof cover; 622, water tank; 623, delivery pump; 624, delivery pipe; 625, sponge block; 626, second electric cylinder; 63, mounting plate; 64, second moisturizing assembly; 65, clamping block; 7, CCD vision camera. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The present application provides a technical solution: a visual positioning pad printing machine, comprising a rack 1, the rack 1 is provided with a pad printing platform 3 on the inner side, the rack 1 is provided with a reciprocating ball screw 4 on the top, the reciprocating ball screw 4 is provided with a first electric cylinder 5, the lower end of the first electric cylinder 5 is fixedly connected with the top of a mounting plate 63; the first electric cylinder 5 can push the mounting plate 63 and the accessories at the bottom of the mounting plate 63 to automatically lift, so as to drive the silica gel printing head 61 to approach and contact the ink box 2 and the pad printing platform 3; the reciprocating ball screw 4 of the device can drive the first electric cylinder 5 to move linearly forward and backward, so that the silica gel printing head 61 can move between the ink box 2 and the pad printing platform 3, and the ball screw 4 is driven by a servo motor; the ink box 2 is composed of an ink supply system, a printing plate and a scraper, and the ink box 2 and the ball screw 4 are both prior art, so they will not be described in detail here; the pad printing platform 3 is provided with the ink box 2 at one end, the pad printing platform 3 is provided with a pad printing assembly 6 on the top, and the pad printing platform 3 is provided with a CCD vision camera 7 on the top side; the CCD vision camera 7 of the device is controlled by an image processing system and a controller during use, the controller receives position information of the image processing system and drives the servo motor of the reciprocating ball screw 4 to adjust the position of the silica gel printing head 61, so as to achieve the purpose of positioning;

[0025] The pad printing assembly 6 comprises a mounting plate 63 movably connected with the rack 1, both sides of the mounting plate 63 are provided with a sliding groove, the top of the dust cover 621 is provided with a protruding structure, the protruding structure is inserted into the sliding groove, one side of the mounting plate 63 is fixedly connected with a second electric cylinder 626, one end of the second electric cylinder 626 is connected with the protruding structure; this structure can drive the dust cover 621 to open and close automatically through the second electric cylinder 626; the bottom of the mounting plate 63 is fixedly connected with a silica gel printing head 61, both sides of the bottom of the mounting plate 63 are respectively provided with a first moisturizing assembly 62 and a second moisturizing assembly 64, the inner side of the second moisturizing assembly 64 is fixedly connected with a clamping block 65, the inner side of the dust cover 621 is provided with a clamping groove, the clamping block 65 and the clamping groove structure are matched; this structure can ensure the stability of the dust cover 621 when splicing; the first moisturizing assembly 62 and the second moisturizing assembly 64 are the same structure;

[0026] The first moisturizing assembly 62 comprises a dust cover 621 slidably connected with the bottom of the mounting plate 63, the dust covers 621 of the first moisturizing assembly 62 and the second moisturizing assembly 64 form a splicing structure, and the dust covers 621 of the first moisturizing assembly 62 and the second moisturizing assembly 64 form a rectangular structure when spliced; the dust cover 621 of this structure can seal and store the silica gel printing head 61 when splicing, and plays a dustproof role; the dust cover 621 is provided with a right-angle hook-shaped structure in section, and the sponge block 625 is movably connected with the dust cover 621; the sponge block 625 of this structure can be taken out from the inside of the dust cover 621 for cleaning or replacement; the sponge block 625 is arranged in the dust cover 621, water is adsorbed in the sponge block 625, a water tank 622 is arranged on the outer wall of the dust cover 621, an opening is arranged at the top of the water tank 622, and a nut is connected to the opening; the opening of this structure is used for adding water to the inside of the dust cover 621; one end of the water tank 622 is connected with a conveying pipe 624, one end of the conveying pipe 624 penetrates through the dust cover 621 and is connected with the sponge block 625, and a conveying pump 623 is arranged on the conveying pipe 624; the conveying pump 623 of the device can automatically supplement water in the sponge block 625, so that the sponge block 625 is kept moist.

[0027] Working principle: when the visual positioning pad printing machine is used, first, the product is fixed to the pad printing table 3, then the silica gel printing head 61 dips ink from the inside of the ink box 2, the position of the silica gel printing head 61 is photographed by the CCD visual camera 7, and the signal is transmitted by the image processor and the controller to drive the silica gel printing head 61 to move to the top of the pad printing table 3 through the reciprocating ball screw 4, then the first electric cylinder 5 pushes the silica gel printing head 61 to descend and contact the product on the top of the pad printing table 3 to complete the transfer printing work, and when the silica gel printing head 61 is not used, the second electric cylinder 626 pushes the dust cover 621 to automatically seal, the sponge block 625 in the dust cover 621 after splicing can play a good moisturizing effect on the silica gel printing head 61.

[0028] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A visual positioning pad printing machine, comprising a frame (1), a pad printing table (3) is arranged inside the frame (1), and an ink box (2) is arranged at one end of the pad printing table (3), characterized in that: The top of the pad printing table (3) is provided with a pad printing assembly (6), and the top side of the pad printing table (3) is provided with a CCD vision camera (7); The pad printing assembly (6) comprises a mounting plate (63) movably connected with the rack (1), the bottom of the mounting plate (63) is fixedly connected with a silica gel printing head (61), and the bottom of the mounting plate (63) is provided with a first moisturizing assembly (62) and a second moisturizing assembly (64) on both sides respectively, and the first moisturizing assembly (62) and the second moisturizing assembly (64) are the same in structure; The first moisturizing assembly (62) comprises a dust cover (621) slidably connected with the bottom of the mounting plate (63), the dust cover (621) is provided with a sponge block (625) inside, the sponge block (625) is adsorbed with water inside, the outer wall of the dust cover (621) is provided with a water tank (622), one end of the water tank (622) is connected with a conveying pipe (624), one end of the conveying pipe (624) penetrates through the dust cover (621) and is connected with the sponge block (625), and the conveying pipe (624) is provided with a conveying pump (623).

2. A vision positioning pad printer according to claim 1 wherein: Both sides of the mounting plate (63) are provided with a sliding groove, the top of the dust cover (621) is in a convex structure, the convex structure is inserted into the sliding groove, and one side of the mounting plate (63) is fixedly connected with a second electric cylinder (626), one end of the second electric cylinder (626) is connected with the convex structure.

3. A vision positioning pad printer according to claim 1, wherein: The inner side of the second moisturizing assembly (64) is fixedly connected with a clamping block (65), the inner side of the dust cover (621) is provided with a clamping groove, and the clamping block (65) and the clamping groove are matched in structure.

4. A vision positioning pad printer according to claim 1, wherein: The dust covers (621) of the first moisturizing assembly (62) and the second moisturizing assembly (64) form a splicing structure, and the dust covers (621) of the first moisturizing assembly (62) and the second moisturizing assembly (64) form a rectangular structure after splicing.

5. A vision positioning pad printer according to claim 1, wherein: The dust cover (621) is in a right-angle hook structure in cross section, and the sponge block (625) and the dust cover (621) are movably connected.

6. A vision positioning pad printer according to claim 1, wherein: The top of the rack (1) is provided with a reciprocating ball screw (4), the reciprocating ball screw (4) is provided with a first electric cylinder (5), and the lower end of the first electric cylinder (5) is fixedly connected with the top of the mounting plate (63).

7. A vision positioning pad printer according to claim 1, wherein: The top of the water tank (622) is provided with an opening, and the opening is connected with a nut.

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