Scraper quick-release structure for silk-screen printing

Abstract

The utility model discloses a scraper quick-release structure for silk-screen printing, which belongs to the field of silk-screen printing and comprises a frame and a screen printer body arranged on the frame. A guide rod air cylinder is assembled on the screen printing machine body, the output end of the guide rod air cylinder vertically stretches out and draws back and is provided with a support assembly, the support assembly is provided with two sets of quick release structures, and a scraper body is detachably assembled between the two sets of quick release structures. According to the scraper quick-release structure for silk-screen printing, the scraper body can be quickly clamped and mounted by utilizing two groups of quick-release structures through mutual movement matching of a plurality of parts in the quick-release structures and clamping of the two positioning blocks sliding oppositely in the quick-release structures between the connecting plates in actual use; and the time and labor cost required for maintaining and replacing the scraper body can be reduced through the arranged quick release structure, and meanwhile, the overall installation is convenient and fast, and operation is easy.

Description

Technical Field

[0001] The utility model belongs to the field of screen printing, and in particular relates to a scraper quick-detachable structure for screen printing. Background Art

[0002] A screen printer is a device used to print on the surface of various materials. It uses a special mesh material called a silk screen, which is usually made of polymer fibers or metal wires. This screen is stretched on a frame to form a flat surface, and then the ink or other printing material is pushed onto the surface to be printed by applying pressure on the screen and using a printing scraper or squeegee.

[0003] For example, a Chinese patent publication numbered CN206141097U points out a scraper for a screen printing machine. In the cited document, a mounting frame is used to apply pressure to the scraper body, and the scraper body is tightly attached to the screen. The preload spring provides a preload force to the scraper body, thereby improving the tightness of the scraper body and the screen printing plate, ensuring a good coating effect of the slurry during printing, and improving the printing quality.

[0004] Although the above cited patent has achieved better scraping effect in actual operation, it still has certain limitations in use, that is, the scraper in the document is difficult to quickly disassemble and replace during use. When the scraper needs to be cleaned, replaced or repaired, the difficulty in quick disassembly and assembly will increase the difficulty of maintenance work and may lead to an extension of the equipment maintenance cycle. Therefore, a quick-disassembly structure of a scraper for screen printing is proposed to solve the problem in the above cited patent. Utility Model Content

[0005] In view of one or more of the above defects or improvement needs in the prior art, the utility model provides a quick-release structure of a scraper for screen printing, which has the advantages of providing a better scraping effect and the scraper can be quickly disassembled, assembled and replaced.

[0006] To achieve the above-mentioned purpose, the utility model provides a quick-release structure for a scraper for screen printing, comprising a frame and a screen printing machine body arranged on the frame; a guide rod cylinder is mounted on the screen printing machine body, the output end of the guide rod cylinder is vertically telescopic and is mounted with a bracket assembly, two groups of quick-release structures are mounted on the bracket assembly, and a scraper body is detachably mounted between the two groups of quick-release structures;

[0007] The bracket assembly comprises a mounting seat arranged on the output end of the guide rod cylinder, a support beam is arranged parallel to the mounting seat, two positioning seats are arranged on the support beam, and positioning columns are arranged on the two positioning seats, and the top ends of the positioning columns extend through the mounting seat and are slidably connected with the mounting seat; a compression spring is sleeved on the outer side of the positioning column, and the two ends of the compression spring are tightly pressed between the mounting seat and the support beam;

[0008] The quick-release structure includes an adjustment seat arranged at the bottom of the support beam, on which a positive and negative threaded rod is rotatably arranged, and on which two slider seats are meshed, and the two slider seats are respectively meshed with one of the threads and a positioning block is installed at the bottom.

[0009] As a further improvement of the utility model, a threaded hole is provided on the positioning block and is threadedly connected with a bolt member, the positioning block is detachably arranged on the slider seat by means of the bolt member, and clamping notches are provided on the opposite sides of the two positioning blocks.

[0010] As a further improvement of the utility model, two connecting arms are provided on the upper end surface of the scraper body, and connecting plates are provided on the two connecting arms. The two connecting plates respectively correspond to one group of quick-release structures and are located between two positioning blocks in an adjacent group of quick-release structures. The connecting plates are protruding on both sides and are adapted to the opening angle of the clamping notch.

[0011] As a further improvement of the utility model, positioning holes are formed through the two connecting arms, and pins are provided in the positioning holes and are detachably mounted to the scraper body by means of the pins.

[0012] As a further improvement of the utility model, bearing seats are installed on both sides of the adjustment seat, both ends of the forward and reverse screw rods are rotatably connected to one of the bearing seats, one end of the forward and reverse screw rods passes through the adjacent bearing seat and is connected to a rotating shaft handle; two side rods are also provided on the adjustment seat, and the two side rods are respectively provided on one side of the forward and reverse screw rods and both pass through two slider seats.

[0013] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0014] The utility model discloses a screen printing scraper quick-release structure, which cooperates with the mutual movement of a plurality of components in the quick-release structure. In actual use, the scraper body can be quickly clamped and installed by using two sets of quick-release structures through the clamping between the connecting plates of the two positioning blocks that slide in opposite directions in the quick-release structure. The quick-release structure can reduce the time and labor cost required for the maintenance and replacement of the scraper body. At the same time, the overall installation is convenient and easy to operate.

[0015] The utility model discloses a screen printing scraper quick-release structure, in actual use, through the mutual movement and coordination of multiple components in the bracket assembly, when the user controls the support beam to move downward, the compression spring provided at this time can apply elastic pressure downward, so as to apply elastic pressure to the scraper body, and make the bottom of the scraper body always tightly against the printing screen to complete the coating and printing. The compression spring provided can provide a pre-tightening force to the scraper body, improve the tightness of the quick-release structure and the printing screen, ensure the good coating effect of the slurry during printing, and improve the printing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall installation structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of the bracket assembly and the quick-release structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the scraper body of the utility model on the quick-release structure;

[0019] Figure 4 This is a schematic diagram of the overall installation structure of the quick-release assembly of the utility model.

[0020] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. frame; 2. screen printing machine body; 3. bracket assembly; 31. mounting seat; 32. support beam; 33. positioning seat; 34. positioning column; 35. compression spring; 4. quick release structure; 41. adjustment seat; 42. bearing seat; 43. positive and negative screw rod; 44. slider seat; 45. shaft handle; 46. positioning block; 47. clamping notch; 48. side rod; 5. scraper body; 51. connecting plate; 52. connecting arm; 53. positioning hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] Example

[0023] Depend on Figure 1-4Provided is a quick-release structure for a screen printing scraper, comprising a frame 1 and a screen printing machine body 2 arranged on the frame 1; a guide rod cylinder is mounted on the screen printing machine body 2, the output end of the guide rod cylinder is vertically telescopic and is mounted with a bracket assembly 3, two sets of quick-release structures 4 are mounted on the bracket assembly 3, and a scraper body 5 is detachably mounted between the two sets of quick-release structures 4;

[0024] The support assembly 3 includes a mounting seat 31 arranged on the output end of the guide rod cylinder, a support beam 32 is arranged parallel to the mounting seat 31, two positioning seats 33 are arranged on the support beam 32, and positioning columns 34 are arranged on the two positioning seats 33. The top of the positioning column 34 extends through the mounting seat 31 and is slidably connected with it; a compression spring 35 is sleeved on the outside of the positioning column 34, and the two ends of the compression spring 35 are tightly pressed between the mounting seat 31 and the support beam 32;

[0025] The quick-release structure 4 includes an adjustment seat 41 arranged at the bottom of the support beam 32, on which a forward and reverse screw rod 43 is rotatably arranged, and two slider seats 44 are meshed on the forward and reverse screw rod 43, and the two slider seats 44 are respectively meshed with one of the teeth and a positioning block 46 is installed at the bottom.

[0026] In this embodiment, through the mutual movement and coordination of multiple components within the quick-release structure 4, in actual use, through the clamping of two positioning blocks 46 that slide in opposite directions within the quick-release structure 4 and between the connecting plates 51, it is possible to utilize two sets of quick-release structures 4 to complete the quick clamping and installation of the scraper body 5. The quick-release structure 4 can reduce the time and labor costs required for maintenance and replacement of the scraper body 5, and the overall installation is convenient and easy to operate.

[0027] Furthermore, in actual use, through the mutual movement and coordination of multiple components within the bracket assembly 3, when the user controls the support beam 32 to move downward, the compression spring 35 provided at this time can apply elastic pressure downward, thereby applying elastic pressure to the scraper body 5, and making the bottom of the scraper body 5 always close to the printing screen to complete the coating printing. The compression spring 35 provided will provide a pre-tightening force to the scraper body 5, thereby improving the tightness of the quick-release structure 4 and the printing screen, ensuring a good coating effect of the slurry during printing, and improving the printing quality.

[0028] It should be noted that in the actual setting, the guide rod cylinder assembled on the screen printing machine body 2 can also be replaced with an electric push rod, thereby improving the accuracy of the lifting and lowering adjustment of the mounting seat 31. The set guide rod cylinder can ensure that the mounting seat 31 and the quick-release structure 4 as well as the scraper body 5 located on the quick-release structure 4 are lifted and moved to the appropriate position until the scraper body 5 can perform scraping operations.

[0029] Specifically, refer to Figure 2-3The positioning block 46 is provided with a threaded hole and is threadedly connected with a bolt member. The positioning block 46 is detachably arranged on the slider seat 44 by means of the bolt member. The opposite sides of the two positioning blocks 46 are provided with a clamping notch 47 .

[0030] In this embodiment, by connecting and installing the threaded hole on the positioning block 46 and the bolt member, the user can detachably install the positioning block 46 on the slider seat 44, thereby ensuring the replaceable installation between the slider seat 44 and the positioning block 46. In the preferred design, considering the need to replace scraper bodies 5 of different sizes for operation, in the preferred design, the user can also adapt and replace the positioning blocks 46 with clamping notches 47 of different sizes. At the same time, the detachable design can also facilitate the user to disassemble and repair the positioning block 46.

[0031] Specifically, refer to Figure 2-3 Two connecting arms 52 are provided on the upper end surface of the scraper body 5, and connecting plates 51 are provided on the two connecting arms 52. The two connecting plates 51 are respectively provided corresponding to one group of quick-release structures 4 and are located between two positioning blocks 46 in an adjacent group of quick-release structures 4. The two sides of the connecting plates 51 are protruding and adapted to the opening angle of the clamping notch 47.

[0032] In this embodiment, in the actual design, the connecting plate 51 and the connecting arm 52 can be designed as an integrated unit. The user connects the scraper body 5 with the two connecting arms 52. When the scraper body 5 is installed, the user places the two connecting plates 51 between the two positioning blocks 46 in the two sets of quick-release structures 4. At this time, the scraper body 5 can be quickly installed on the two sets of quick-release structures 4 by utilizing the opposite clamping movement between the two positioning blocks 46.

[0033] Specifically, refer to Figure 2-3 A positioning hole 53 is formed through each of the two connecting arms 52 . A pin is provided in the positioning hole 53 and the positioning hole 53 is detachably mounted with the scraper body 5 by means of the pin.

[0034] In this embodiment, when assembling the scraper body 5, firstly, a suitable pin is used to cooperate with the positioning hole 53 to complete the detachable connection between the scraper body 5 and the two connecting arms 52. At this time, the connecting arms 52 and the connecting plate 51 can be installed on both sides of the upper end surface of the scraper body 5.

[0035] Furthermore, in a preferred embodiment, considering that scraper bodies 5 of different sizes need to be installed in actual printing operations, a detachable installation is adopted between the scraper body 5 and the connecting arm 52, so that the user can use connecting arms 52 of different sizes to support and connect the scraper body 5, thereby ensuring that the scraper body 5 can be stably installed on the connecting arm 52.

[0036] Specifically, refer to Figure 2-4 Bearing seats 42 are installed on both sides of the adjustment seat 41, and both ends of the forward and reverse screw rods 43 are rotatably connected to one of the bearing seats 42. One end of the forward and reverse screw rods 43 passes through the adjacent bearing seat 42 and is connected to a rotating shaft handle 45; two side rods 48 are also provided on the adjustment seat 41, and the two side rods 48 are respectively arranged on one side of the forward and reverse screw rods 43 and both pass through the two slider seats 44.

[0037] In the present embodiment, in actual use, through the connection between the rotating shaft handle 45 and the positive and negative threaded rod 43, the user rotates the two rotating shaft handles 45, and the positive and negative threaded rod 43 connected to the rotating shaft handle 45 can cooperate with the bearing seat 42 to realize stable rotation in the adjustment seat 41, and at the same time, the two slider seats 44 meshed with the outside of the positive and negative threaded rod 43 can move linearly along the stroke range of the positive and negative threaded rod 43. At this time, due to the lateral limitation of the two side rods 48 and the tooth engagement of the positive and negative threaded rod 43, the two slider seats 44 can be on the positive and negative threaded rod 43. The opposite clamping movement or reverse separation movement;

[0038] At this time, the user adjusts the distance between the two positioning blocks 46 according to the size of the connecting plate 51 until the two positioning blocks 46 can complete the clamping of the connecting plate 51. By adjusting the distance between the two positioning blocks 46, in a preferred embodiment, connecting plates 51 of different sizes can also be snap-fitted and installed, thereby realizing quick-release installation of scraper bodies 5 of different sizes.

[0039] The utility model of the screen printing scraper quick disassembly structure:

[0040] Step 1: When assembling the scraper body 5, firstly, use a suitable pin shaft to match the positioning hole 53 to complete the detachable connection between the scraper body 5 and the two connecting arms 52. At this time, the connecting arms 52 and the connecting plates 51 can be installed on both sides of the upper end surface of the scraper body 5. Then, the user places the two connecting plates 51 at the bottom of the two sets of quick-release structures 4 again, and places the two connecting plates 51 between the two positioning blocks 46 in the two sets of quick-release structures 4.

[0041] Step 2: After the user places the connecting plate 51 in the two sets of quick-release structures 4, the user rotates the two rotating shaft handles 45. At this time, the forward and reverse screw rods 43 connected to the rotating shaft handles 45 can cooperate with the bearing seat 42 to realize rotation in the adjustment seat 41, and the two slider seats 44 engaged with the outside of the forward and reverse screw rods 43 can move in a straight line along the travel range of the forward and reverse screw rods 43. Due to the lateral limitation of the two side rods 48 and the tooth engagement of the forward and reverse screw rods 43, the two slider seats 44 can be clamped in opposite directions or separated in reverse on the forward and reverse screw rods 43. At this time, the user adjusts the distance between the two positioning blocks 46 according to the size of the connecting plate 51 until the two positioning blocks 46 can complete the clamping of the connecting plate 51. At this time, the two sets of quick-release structures 4 can clamp the two connecting plates 51, so that the scraper body 5 can be quickly installed on the two sets of quick-release structures 4;

[0042] Step 3: After the two sets of quick-release structures 4 complete the clamping and installation of the scraper body 5, the user can drive the guide rod cylinder on the screen printing machine body 2 to lift the mounting seat 31. At this time, through the installation of the positioning column 34 between the mounting seat 31 and the support beam 32, and the installation between the support beam 32 and the quick-release structure 4, the user can control the scraper body 5 to move downward as a whole until the scraper body 5 contacts the printing screen. At this time, through the sliding of the support beam 32 on the mounting seat 31, the compression spring 35 can be elastically reset, and then the support beam 32 can be elastically pressed downward. At this time, the bottom of the scraper body 5 can always be tightly against the printing screen to complete the coating printing.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-release structure for a screen printing scraper, comprising a frame (1) and a screen printing machine body (2) arranged on the frame (1), characterized in that: The screen printing machine body (2) is equipped with a guide rod cylinder, the output end of the guide rod cylinder is vertically telescopic and equipped with a bracket assembly (3), the bracket assembly (3) is equipped with two groups of quick-release structures (4), and a scraper body (5) is detachably assembled between the two groups of quick-release structures (4); The support assembly (3) comprises a mounting seat (31) arranged on the output end of the guide rod cylinder, a support beam (32) is arranged parallel to the mounting seat (31), two positioning seats (33) are arranged on the support beam (32), and a positioning column (34) is arranged on each of the two positioning seats (33), and the top end of the positioning column (34) extends through the mounting seat (31) and is slidably connected thereto; a compression spring (35) is sleeved on the outside of the positioning column (34), and two ends of the compression spring (35) are tightly pressed between the mounting seat (31) and the support beam (32); The quick-release structure (4) comprises an adjustment seat (41) arranged at the bottom of the support beam (32), a positive and negative threaded rod (43) being rotatably arranged on the adjustment seat (41), two slider seats (44) being meshed with the positive and negative threaded rod (43), the two slider seats (44) respectively meshing with one of the threads and having positioning blocks (46) installed at their bottoms.

2. The quick-release structure of the screen printing scraper according to claim 1, characterized in that: The positioning block (46) is provided with a threaded hole and is threadedly connected with a bolt member. The positioning block (46) is detachably arranged on the slider seat (44) by means of the bolt member. The opposite sides of the two positioning blocks (46) are provided with clamping notches (47).

3. The quick-release structure of the screen printing scraper according to claim 2, characterized in that: The upper end surface of the scraper body (5) is provided with two connecting arms (52), and the two connecting arms (52) are both provided with connecting plates (51). The two connecting plates (51) are respectively provided corresponding to one group of quick-release structures (4) and are located between two positioning blocks (46) in an adjacent group of quick-release structures (4). Both sides of the connecting plates (51) are provided with protrusions and are adapted to the opening angle of the clamping notch (47).

4. The quick-release structure of the screen printing scraper according to claim 3, characterized in that: A positioning hole (53) is formed through each of the two connecting arms (52), a pin is provided in the positioning hole (53) and the positioning hole (53) is detachably mounted with the scraper body (5) by means of the pin.

5. The quick-release structure of the screen printing scraper according to claim 1, characterized in that: Bearing seats (42) are installed on both sides of the adjustment seat (41), and both ends of the positive and negative threaded rod (43) are rotatably connected to one of the bearing seats (42), and one end of the positive and negative threaded rod (43) passes through the adjacent bearing seat (42) and is connected to a rotating shaft handle (45); two side rods (48) are also arranged on the adjustment seat (41), and the two side rods (48) are respectively arranged on one side of the positive and negative threaded rod (43) and both pass through the two slider seats (44).

Images