Printing net rack structure

Abstract

The utility model discloses a printing net rack structure which comprises an installation box, a printing net rack body is arranged above the installation box, the bottom of the printing net rack body is fixedly connected with four symmetrically-distributed disassembly and assembly sleeves, and a lifting mechanism is arranged on the installation box. The lifting mechanism comprises four positioning sleeves connected to the top of the mounting box in a penetrating mode, the tops of the four positioning sleeves are connected with deviation-preventing hollow pipes in a sliding and penetrating mode, and the top ends of the four deviation-preventing hollow pipes extend into the corresponding dismounting sleeves in a sliding mode respectively. According to the printing net rack structure, the printing net rack body can be driven to ascend and descend smoothly through the arranged lifting mechanism, meanwhile, the lifting position of the printing net rack body can be more accurate through the arranged positioning sleeve and the arranged deviation-preventing hollow pipe, and the using effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing grid frames, in particular to a printing grid frame structure. Background Art

[0002] The screen printer is a representative printing device among the stencil printers. Its printing plate is a crisscross and distinctly longitude and latitude screen woven from materials such as silk. There are many types of screen printers that have been produced, including flat, curved, forming, printing and dyeing, printed circuit and new rotary screen printers. The printing grid is one of the important structural components of the screen printer. In addition to silk, the materials used to make the screen can also be nylon wire, copper wire, steel wire or stainless steel wire.

[0003] The publication number CN 219312278 U discloses a printing grid frame that is easy to disassemble and assemble, and relates to the technical field of printing grid frames, including a mounting frame, a support rod is fixedly installed on the lower surface of the mounting frame, a support net is fixedly installed inside the mounting frame, handles are fixedly installed on both sides of the mounting frame, a sliding rod is slidably connected inside the mounting frame, a spring is fixedly installed at one end of the sliding rod, a connecting rod is fixedly installed on the surface of the sliding rod, a rotating rod is rotatably connected to the upper surface of the connecting rod, a rotating shaft is fixedly installed inside the rotating rod, a torsion spring is fixedly installed inside the rotating shaft, and a limited position block is fixedly installed on the upper surface of the mounting frame. It is a practical new type. By setting a printing screen for disassembly and assembly, workers can remove the printing screen more quickly and conveniently, avoiding the need to rotate bolts. The fixed structure on the printing grid frame is opened in turn before the printing grid frame can be removed, thereby improving the printing work efficiency.

[0004] However, the device has the following shortcomings: the device can easily disassemble and assemble the printing grid when in use, but due to the large structural design of the printing grid, the lifting equipment of some printing machines is prone to deviation when driving the printing grid to rise and fall, resulting in inaccurate position of the printing grid, affecting the use effect.

[0005] Therefore, the utility model provides a printing grid structure to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a printing grid structure to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a printing grid structure, including an installation box, a printing grid body is arranged above the installation box, four symmetrically distributed disassembly sleeves are fixedly connected to the bottom of the printing grid body, and a lifting mechanism is arranged on the installation box;

[0008] The lifting mechanism includes four positioning sleeves connected through the top of the installation box, the tops of the four positioning sleeves are slidably inserted and connected with anti-deviation hollow tubes, the top ends of the four anti-deviation hollow tubes are slidably extended into the corresponding disassembly and assembly sleeves, the bottom ends of the four anti-deviation hollow tubes are connected through threaded lifting sleeves, four threaded rods are rotatably connected in the installation box, the top ends of the four threaded rods are rotatably extended into the corresponding positioning sleeves, and the four threaded rods are threadedly inserted into the corresponding threaded lifting sleeves.

[0009] Preferably, the four threaded rods are fixedly sleeved with driven bevel gears, a partition is fixedly connected in the installation box, and two symmetrically distributed transmission shafts are rotatably penetrated and connected on the partition, and both ends of the two transmission shafts are fixedly connected with active bevel gears, and the four active bevel gears are respectively meshed with corresponding driven bevel gears. By using the driven bevel gears, partitions, transmission shafts and active bevel gears in combination, the four threaded rods can be conveniently controlled to rotate synchronously, which is convenient to use.

[0010] Preferably, the two transmission shafts are both fixedly sleeved with synchronous wheels, and the same synchronous belt is wound between the two synchronous wheels. The two transmission shafts can rotate synchronously by using the synchronous wheels and the synchronous belt in combination, which is convenient for control.

[0011] Preferably, a linkage gear is fixedly sleeved on the corresponding transmission shaft, a drive motor is fixedly connected to one side of the partition, and a drive gear is fixedly connected to the output shaft of the drive motor, and the drive gear is meshed with the linkage gear. The transmission shaft can be driven to rotate conveniently by using the arranged linkage gear, drive motor and drive gear, which is convenient for operation.

[0012] Preferably, the four disassembly and assembly sleeves are all slidably penetrated with bolts, and the bolts slidably penetrate the corresponding anti-deviation hollow tubes. The four bolts are all threadedly sleeved with nuts. The disassembly and assembly sleeves and the anti-deviation hollow tubes can be conveniently fixed together and conveniently disassembled and assembled by using the provided bolts and nuts.

[0013] Preferably, a limit opening is provided on the outside of the positioning sleeve, and a stop rod is fixedly connected to the outer wall of the anti-deviation hollow tube. The four stop rods slide through the corresponding limit openings respectively. The limit opening and the stop rod are used in combination to limit the anti-deviation hollow tube, so that it can be lifted and lowered smoothly while limiting its lifting distance.

[0014] Preferably, a laser transmitter is fixedly connected to the top of the installation box, and a laser receiver is fixedly connected to one side of the printing grid body. The laser receiver is electrically connected to the laser transmitter. By using the laser transmitter and laser receiver in combination, the lifting height of the printing grid body can be accurately measured, which is more convenient to use.

[0015] Preferably, both side outer walls of the installation box are fixedly connected with side panels, and a plurality of fastening screw holes are provided on the two side panels. The installation box can be conveniently fastened to the printing press by using the side panels and the fastening screw holes in combination.

[0016] Beneficial Effects

[0017] The utility model provides a printing grid structure. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The printing grid structure can drive the printing grid body to smoothly rise and fall through the provided lifting mechanism. At the same time, the provided positioning sleeve and anti-deviation hollow tube can make the lifting position of the printing grid body more accurate, thereby improving the use effect.

[0019] (2) The printing grid structure can control the synchronous rotation of two transmission shafts by setting a single driving motor, so that the four threaded rods can rotate synchronously to drive the printing grid body to rise and fall accurately, thereby achieving the effect of saving energy and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of the installation box in the utility model;

[0023] Figure 4 It is a relevant assembly drawing of the lifting mechanism in the utility model.

[0024] In the figure: 1. Installation box; 2. Printing grid body; 3. Disassembly and assembly sleeve; 4. Positioning sleeve; 5. Anti-deflection hollow tube; 6. Threaded lifting sleeve; 7. Threaded rod; 8. Driven bevel gear; 9. Partition; 10. Transmission shaft; 11. Active bevel gear; 12. Synchronous wheel; 13. Synchronous belt; 14. Interlocking gear; 15. Drive motor; 16. Drive gear; 17. Bolt; 18. Nut; 19. Limiting port; 20. Stop rod; 21. Laser transmitter; 22. Laser receiver; 23. Side panel; 24. Fastening screw hole. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1:

[0027] See also Figures 1 to 4 A printing grid structure comprises an installation box 1, a printing grid body 2 is arranged above the installation box 1, four symmetrically distributed disassembly sleeves 3 are fixedly connected to the bottom of the printing grid body 2, and a lifting mechanism is arranged on the installation box 1;

[0028] The lifting mechanism includes four positioning sleeves 4 which are connected through the top of the installation box 1. The tops of the four positioning sleeves 4 are slidably inserted with anti-deviation hollow tubes 5. The tops of the four anti-deviation hollow tubes 5 are slidably extended into the corresponding disassembly and assembly sleeves 3 respectively. The bottom ends of the four anti-deviation hollow tubes 5 are connected through threaded lifting sleeves 6. Four threaded rods 7 are rotatably connected in the installation box 1. The tops of the four threaded rods 7 are rotatably extended into the corresponding positioning sleeves 4 respectively. The four threaded rods 7 are threadedly inserted into the corresponding threaded lifting sleeves 6 respectively.

[0029] Embodiment 2:

[0030] See also Figures 1 to 4This embodiment provides a technical solution based on the first embodiment: driven bevel gears 8 are fixedly sleeved on the four threaded rods 7, a partition 9 is fixedly connected in the installation box 1, two symmetrically distributed transmission shafts 10 are rotatably connected and penetrated on the partition 9, and active bevel gears 11 are fixedly connected at both ends of the two transmission shafts 10, and the four active bevel gears 11 are respectively meshed with the corresponding driven bevel gears 8; synchronous wheels 12 are fixedly sleeved on the two transmission shafts 10, and the same synchronous belt 13 is wound between the two synchronous wheels 12; a linkage gear 14 is fixedly sleeved on the corresponding transmission shafts 10, a driving motor 15 is fixedly connected to one side of the partition 9, and the output shaft of the driving motor 15 is fixedly connected to the driving gear 16 , the driving gear 16 is meshed with the linkage gear 14; the four disassembly and assembly sleeves 3 are all slidably connected with bolts 17, the bolts 17 slide through the corresponding anti-deviation hollow tubes 5, and nuts 18 are threadedly sleeved on the four bolts 17; a limited position opening 19 is provided on the outside of the positioning sleeve 4, and a baffle 20 is fixedly connected to the outer wall of the anti-deviation hollow tube 5, and the four baffles 20 slide through the corresponding limited position openings 19 respectively; a laser transmitter 21 is fixedly connected to the top of the installation box 1, and a laser receiver 22 is fixedly connected to one side of the printing grid body 2, and the laser receiver 22 is electrically connected to the laser transmitter 21; the outer walls on both sides of the installation box 1 are fixedly connected with side panels 23, and a plurality of fastening screw holes 24 are provided on the two side panels 23.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] Working principle: When in use, the driving motor 15 can be started, and the driving motor 15 drives the driving gear 16 to rotate, and the driving gear 16 drives the interlocking gear 14 meshing with it to rotate, and the interlocking gear 14 drives the connected transmission shaft 10 to rotate, and the transmission shaft 10 rotates through the synchronous wheel 12 and the synchronous belt 13. At this time, the two transmission shafts 10 rotate synchronously, and the transmission shaft 10 drives the active bevel gear 11 to rotate, and the active bevel gear 11 drives the driven bevel gear 8 meshing with it to rotate, and the driven bevel gear 8 drives the connected threaded rod 7 to rotate, and the threaded rod 7 drives the threaded lifting sleeve 6 threadedly connected to it to rise and fall, and the threaded lifting sleeve 6 drives the printing grid body 2 to rise and fall through the anti-bias hollow tube 5. At the same time, the lifting height of the laser receiver 22 can be detected by the laser transmitter 21 and the laser receiver 22, and the lifting data is more accurate.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0035] 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 printing grid structure, comprising a mounting box (1), characterized in that: A printing grid body (2) is arranged above the installation box (1), four symmetrically distributed disassembly and assembly sleeves (3) are fixedly connected to the bottom of the printing grid body (2), and a lifting mechanism is arranged on the installation box (1); The lifting mechanism comprises four positioning sleeves (4) connected through the top of the installation box (1); the tops of the four positioning sleeves (4) are slidably inserted and connected with anti-deviation hollow tubes (5); the top ends of the four anti-deviation hollow tubes (5) are respectively slidably extended into the corresponding disassembly sleeves (3); the bottom ends of the four anti-deviation hollow tubes (5) are respectively connected through threaded lifting sleeves (6); four threaded rods (7) are rotatably connected in the installation box (1); the top ends of the four threaded rods (7) are respectively rotatably extended into the corresponding positioning sleeves (4); and the four threaded rods (7) are respectively threadedly inserted into the corresponding threaded lifting sleeves (6).

2. A printing grid structure according to claim 1, characterized in that: A driven bevel gear (8) is fixedly sleeved on each of the four threaded rods (7); a partition plate (9) is fixedly connected inside the installation box (1); two symmetrically distributed transmission shafts (10) are rotatably connected and penetrated through the partition plate (9); both ends of the two transmission shafts (10) are fixedly connected with a driving bevel gear (11); and the four driving bevel gears (11) are respectively meshed with the corresponding driven bevel gears (8).

3. A printing grid structure according to claim 2, characterized in that: The two transmission shafts (10) are both fixedly sleeved with synchronous wheels (12), and a same synchronous belt (13) is wound between the two synchronous wheels (12).

4. A printing grid structure according to claim 2, characterized in that: A linkage gear (14) is fixedly sleeved on the corresponding transmission shaft (10), a drive motor (15) is fixedly connected to one side of the partition plate (9), an output shaft of the drive motor (15) is fixedly connected to a drive gear (16), and the drive gear (16) is meshed with the linkage gear (14).

5. A printing grid structure according to claim 1, characterized in that: Bolts (17) are slidably penetrated and connected to the four disassembly and assembly sleeves (3), and the bolts (17) slidably penetrate the corresponding anti-deflection hollow tubes (5), and nuts (18) are threadedly sleeved on the four bolts (17).

6. A printing grid structure according to claim 1, characterized in that: The exterior of the positioning sleeve (4) is provided with a limit opening (19), the outer wall of the anti-deviation hollow tube (5) is fixedly connected with a stop rod (20), and the four stop rods (20) respectively slide through the corresponding limit openings (19).

7. A printing grid structure according to claim 1, characterized in that: A laser transmitter (21) is fixedly connected to the top of the installation box (1), a laser receiver (22) is fixedly connected to one side of the printing grid body (2), and the laser receiver (22) is electrically connected to the laser transmitter (21).

8. A printing grid structure according to claim 1, characterized in that: The outer walls on both sides of the installation box (1) are fixedly connected with side panels (23), and a plurality of fastening screw holes (24) are provided on the two side panels (23).

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