Automatic net pulling machine

Abstract

The utility model discloses an automatic net pulling machine which comprises a bearing support, a clamping assembly, a driving structure and a containing structure, the bearing support is arranged on a bearing face, the clamping assembly is arranged on the bearing support, and the clamping assembly is used for clamping a silk screen; the driving structure is arranged on the bearing support and used for driving the clamping assembly to move so as to stretch the silk screen. The storage structure is arranged on the bearing support and used for winding the silk screen. The screen printing device has the effect of improving the stability of tensioning the silk screen in the screen printing process.

Description

Technical Field

[0001] The utility model relates to the field of net stretching equipment, in particular to an automatic net stretching machine. Background Art

[0002] At present, in the screen printing process, the screen is usually pulled manually and then pasted to the screen frame. This operation method easily causes the screen to deform, especially when dealing with larger screens. This uneven force will lead to reduced screen production quality and production efficiency, so there is still room for improvement. Utility Model Content

[0003] In order to improve the stability of screen stretching during screen printing, the present application provides an automatic screen stretching machine.

[0004] The automatic mesh-pulling machine provided in this application adopts the following technical solution:

[0005] An automatic mesh-stretching machine comprises a supporting bracket, a clamping assembly, a driving structure and a storage structure, wherein the supporting bracket is arranged on a bearing surface, the clamping assembly is arranged on the supporting bracket, and the clamping assembly is used to clamp a wire mesh; the driving structure is arranged on the supporting bracket, and the driving structure is used to drive the clamping assembly to move and thereby stretch the wire mesh; the storage structure is arranged on the supporting bracket, and the storage structure is used to roll up the wire mesh.

[0006] By adopting the above technical solution, the screen is clamped by the clamping assembly, and the driving structure is used to drive the clamping assembly to move, which reduces the manual operation work and is conducive to smoothly stretching the screen, thereby improving the stability of stretching the screen during screen printing and improving the quality of the stretched screen; at the same time, the screen is stored by the storage structure, reducing the manual work of taking back and forth a section of the screen.

[0007] Preferably, the driving structure is provided with a plurality of driving shafts, and the driving structure is used to drive the plurality of driving shafts to rotate synchronously, both ends of the driving shafts are threadedly provided with driven shafts, and the threads at both ends of the driving shafts have opposite directions, and the driven shafts are slidably provided on the supporting bracket; the clamping assembly is provided on the driven shaft.

[0008] By adopting the above technical solution, the driven shaft is driven by the driving shaft to move synchronously, and both sides of the screen are stretched at the same time, which is beneficial to improving the efficiency of stretching the screen; at the same time, by arranging the driven shaft with threads at both ends of the driving shaft, the driven shaft slides slowly and smoothly, thereby further improving the stability of stretching the screen during screen printing.

[0009] Preferably, the clamping assembly includes a fixed seat, a driving member and a driving plate, the fixed seat is arranged on the driven shaft, the driving member is arranged on the fixed seat, the driving plate is arranged on the driving member, and the driving member is used to drive the driving plate to move toward a direction close to the bottom of the fixed seat to clamp the wire mesh.

[0010] By adopting the above technical scheme, the wire mesh is clamped by a driving plate and a fixed seat, so that the wire mesh is clamped by a flat surface to avoid being cut during the process of stretching the wire mesh; at the same time, the driving member is used to drive the driving plate to clamp the wire mesh, so as to increase the force of the driving plate and the fixed seat to clamp the wire mesh, and reduce the sliding of the wire mesh relative to the driving plate during the process of stretching the wire mesh, thereby improving the accuracy of stretching the wire mesh.

[0011] Preferably, the supporting bracket is provided with a screen frame storage position, and the screen frame is movably arranged on the supporting bracket in a liftable manner.

[0012] By adopting the above technical solution, the screen frame is stored in the screen frame storage position of the supporting bracket, and the screen frame can be movably arranged on the supporting bracket so that it can be raised or lowered. After the screen is stretched, the screen frame can be driven to rise or fall to abut the screen, and then the screen can be adhered to the screen frame, thereby improving the efficiency of printing the screen.

[0013] Preferably, the supporting bracket is also provided with a plurality of lifting members, the lifting members are used to temporarily fix the screen frame, and the lifting members are used to drive the screen frame to rise and fall, and when the clamping assembly clamps the screen, the screen frame is located below the screen.

[0014] By adopting the above technical solution, the lifting member is used to drive the screen frame to rise, which is beneficial to improving the stability of the screen frame rising; at the same time, the lifting member is used to temporarily fix the screen frame to avoid the movement of the screen frame during the wire mesh stretching process, and it is beneficial to reduce the structure of the supporting bracket.

[0015] Preferably, the storage structure comprises a storage bracket, the storage bracket is arranged on the supporting bracket, the storage bracket is provided with a plurality of storage rods, and the storage rods are used for rolling up the wire mesh.

[0016] By adopting the above technical solution, the storage bracket is arranged on the supporting bracket, and the wire mesh is rolled up by the storage rod. The wire mesh can be taken out by pulling the wire mesh, which makes it easy to remove a section of the wire mesh from the clamping component.

[0017] Preferably, the storage rod is detachably mounted on the storage bracket.

[0018] By adopting the above technical solution, when the wire mesh on the storage rod is used up and needs to be replaced with a new roll of wire mesh, the wire mesh on the storage bracket can be replaced by disassembling the storage rod, which is easy to operate.

[0019] Preferably, the storage bracket is provided with a plurality of receiving notches, and the receiving notches are used to support the storage rod.

[0020] By adopting the above technical solution, the storage rod can be installed on the storage bracket by placing the storage rod in the receiving notch, and the storage rod is easy to rotate, easy to operate, and is conducive to improving the efficiency of replacing the wire mesh on the storage bracket.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. By setting the supporting bracket, clamping assembly, driving structure and storage structure, the manual operation work is reduced, which is conducive to the smooth stretching of the screen, thereby improving the stability of the stretched screen during the screen printing process and improving the quality of the stretched screen; at the same time, the screen is stored by the storage structure, reducing the manual work of taking a section of the screen back and forth;

[0023] 2. By providing a storage bracket, a storage rod and a receiving notch, it is convenient to remove a section of the wire mesh from the clamping assembly, and it is beneficial to improve the efficiency of replacing the wire mesh on the storage bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of an automatic mesh-drawing machine according to an embodiment of the present application.

[0025] Figure 2 It is a schematic diagram of the overall structure of an automatic mesh-drawing machine from the bottom perspective in an embodiment of the present application.

[0026] Figure 3 It is a partial structural schematic diagram of the bottom perspective of an automatic mesh-drawing machine in an embodiment of the present application.

[0027] Figure 4 It is a schematic diagram of the connection structure between the driving shaft and the driven shaft in the embodiment of the present application.

[0028] Figure 5 yes Figure 4 Enlarged view of part A in the middle.

[0029] Figure 6 It is a structural schematic diagram of the storage structure of an embodiment of the present application.

[0030] Description of reference numerals:

[0031] 1. Support bracket; 11. First sleeve; 12. Second sleeve; 13. Third sleeve; 14. Control console; 15. Lifting member; 16. Fixed plate; 2. Driving structure; 21. First motor; 211. Driving chain; 22. Second motor; 221. Linking rod; 222. Linking chain; 223. Linking sprocket; 224. Linking shaft; 225. Linking gear; 31. Driving shaft; 311. Driving gear; 32. Driving sleeve; 321. Connecting groove; 33. Driven shaft; 331. Receiving groove; 332. Limiting ring; 4. Screen frame; 5. Screen; 6. Receiving bracket; 61. Receiving rod; 62. Receiving gap. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-6 This application is described in further detail.

[0033] The present application embodiment discloses an automatic mesh-pulling machine. Figure 1 as well as Figure 2 The automatic mesh-stretching machine includes a supporting bracket 1, a control console 14, a clamping assembly, a driving structure 2, and a storage structure. The supporting bracket 1 is placed on a bearing surface. The control console 14 is fixed to one end of the supporting bracket 1 along the length direction. The clamping assembly, the driving structure 2, and the storage structure are all arranged on the supporting bracket 1. The clamping assembly is used to clamp the wire mesh 5. The driving structure 2 is used to drive the clamping assembly to move and then stretch the wire mesh 5. The storage structure is used to roll up the wire mesh 5. In this embodiment, the driving structure 2 includes a first motor 21 and a second motor 22. The first motor 21 and the second motor 22 are both fixed to the bottom of the supporting bracket 1, and the first motor 21 and the second motor 22 are controlled by the control console 14.

[0034] Reference Figure 3 as well as Figure 4 The supporting bracket 1 is also fixed with two fixing plates 16, which are respectively located at the two ends of the supporting bracket 1 along the length direction, the length direction of the fixing plates 16 is consistent with the width direction of the supporting bracket 1, the fixing plates 16 are located in the middle position of the supporting bracket 1 along the length direction, and the first motor 21 is located in the middle position of the two fixing plates 16.

[0035] Reference Figure 1 , Figure 3 as well as Figure 4 , both ends of the fixing plate 16 along the length direction are fixed with first sleeves 11, and the first sleeves 11 are fixed to the fixing plate 16 by bolts. The driving structure 2 is also connected to a plurality of driving shafts 31. In this embodiment, there are two driving shafts 31, and the two driving shafts 31 are respectively located on the two fixing plates 16. The driving shaft 31 is inserted into the two first sleeves 11 on the same fixing plate 16 and is rotatably connected to the first sleeve 11, so that it is rotatably connected to the supporting bracket 1, and the length direction of the driving shaft 31 is consistent with the width direction of the supporting bracket 1.

[0036] Reference Figure 1 as well as Figure 2 The driving shaft 31 is fixed with a driving gear 311, and the driving gear 311 is located between the two first sleeves 11 on the same fixed plate 16; the output shaft of the first motor 21 is fixed with two driving sprockets, and the two driving sprockets are respectively clamped with driving chains 211, and the two driving chains 211 are respectively clamped with the two driving gears 311, so that the first motor 21 drives the two driving shafts 31 to rotate at the same time, and the two driving shafts 31 rotate synchronously.

[0037] Reference Figure 4 as well as Figure 5 , external threads are provided at both ends of the driving shaft 31, and the thread directions of the external threads at both ends of the driving shaft 31 are opposite, and the thread directions of the ends of the two driving shafts 31 close to the same side of the supporting bracket 1 are the same. The driving sleeve 32 is respectively sleeved at both ends of the driving sleeve 32, and the driving sleeve 32 is threadedly connected to the driving shaft 31. A connecting groove 321 is provided at one end of the driving sleeve 32 away from the driving gear 311, and an internal thread is provided on the side wall of the connecting groove 321, and the thread direction of the connecting groove 321 is opposite to that of the driving sleeve 32. A driven shaft 33 is also threadedly connected to one end of the driving sleeve 32 away from the driving gear 311, and one end of the driven shaft 33 is threadedly connected to the side wall of the connecting groove 321, so that the driven shaft 33 is threadedly connected to the driving shaft 31.

[0038] Reference Figure 4 as well as Figure 5 The end of the driven shaft 33 close to the driving shaft 31 is provided with a receiving groove 331, the end of the driving shaft 31 away from the first sleeve 11 is located in the receiving groove 331, and the end of the driven shaft 33 located in the receiving groove 331 abuts against the bottom wall of the receiving groove 331. The end of the driven shaft 33 close to the driving sleeve 32 is also sleeved with a limiting ring 332, which is threadedly connected to the driven shaft 33 and abuts against the end of the driving sleeve 32 away from the driving gear 311, so that by observing the distance between the limiting ring 332 and the driving sleeve 32, the distance between the end of the driven shaft 33 located in the receiving groove 331 and the bottom wall of the receiving groove 331 can be indirectly observed.

[0039] Reference Figure 3 as well as Figure 4 The supporting bracket 1 is also fixed with a plurality of second sleeves 12 , which are fixed to the supporting bracket 1 by bolts, and a second sleeve 12 is respectively sleeved on both ends of the driven shaft 33 .

[0040] Reference Figure 1 as well as Figure 3In this embodiment, the clamping assembly includes a fixing seat, a driving member, and a driving plate. The fixing seat is fixed to the end of the driven shaft 33 away from the driving shaft 31, and the two ends of the fixing seat along the length direction are respectively fixed to the ends of two driven shafts 33 connected to different driving shafts 31. The length direction of the fixing seat is consistent with the length direction of the supporting bracket 1. The fixing seat is fixed to the end of the driven shaft 33 away from the driving shaft 31 by bolts and nuts. The fixing seat limits the rotation of the driven shaft 33, and the driven shaft 33 slides relative to the supporting bracket 1 under the rotation of the driving shaft 31, thereby driving the fixing seat to slide relative to the supporting bracket 1.

[0041] Reference Figure 1 as well as Figure 3 The driving member includes a plurality of driving cylinders fixed to one end of the fixing seat away from the supporting bracket 1, and the output rods of the driving cylinders face the supporting bracket 1. The driving plate is fixed to the output rods of the driving cylinders, and a gap is left between the driving plate and the bottom of the fixing seat. The driving cylinders are controlled by the control console 14, and the control console 14 drives the driving cylinders to extend the output rods, thereby driving the driving plate to move toward the bottom of the fixing seat until the driving plate abuts against the bottom of the fixing seat. The driving plate and the fixing seat clamp the wire mesh 5, and slide relative to the supporting bracket 1 by driving the driven shaft 33, thereby stretching the wire mesh 5.

[0042] Reference Figure 1 as well as Figure 3 , two linkage shafts 224 are respectively provided at both ends of the supporting bracket 1 in the length direction, and the two linkage shafts 224 at the same end of the supporting bracket 1 are respectively located on both sides of the supporting bracket 1 in the width direction, and the axial direction of the linkage shaft 224 is consistent with the length direction of the supporting bracket 1. The supporting bracket 1 is also fixed with a plurality of third sleeves 13, which are fixed to the supporting bracket 1 by bolts, and each linkage shaft 224 is respectively sleeved with a third sleeve 13 at both ends in the axial direction. The end of the linkage shaft 224 away from the end of the supporting bracket 1 is threadedly connected with a linkage gear 225, and the linkage shafts 224 at the same end of the supporting bracket 1 have the same thread direction, and the linkage shafts 224 at different ends of the supporting bracket 1 have opposite thread directions.

[0043] Reference Figure 1 as well as Figure 3 The second motor 22 is connected to a linkage rod 221. The second motor 22 drives the linkage rod 221 to rotate. The length direction of the linkage rod 221 is consistent with the length direction of the supporting bracket 1. The linkage rod 221 is located in the middle position of the supporting bracket 1 along the width direction. Both ends of the linkage rod 221 are respectively fixed with linkage sprockets 223 (not shown in the figure), and the linkage sprockets 223 are clamped with linkage chains 222. The linkage chains 222 located at both ends of the linkage rod 221 are respectively clamped with linkage gears 225 on two linkage shafts 224 at the same end of the supporting bracket 1, so that the second motor 22 drives the four linkage shafts 224 to rotate at the same time.

[0044] Reference Figure 1 as well as Figure 3 A clamping assembly is fixed to one end of the linkage shaft 224 away from the linkage gear 225, and the fixing seat is fixed to the linkage shaft 224 on the same end of the supporting bracket 1 by bolts and nuts, thereby limiting the rotation of the linkage shaft 224, so that when the second motor 22 drives the linkage gear 225 to rotate through the linkage chain 222, the linkage shaft 224 slides relative to the supporting bracket 1.

[0045] Reference Figure 1 as well as Figure 6 In this embodiment, the storage structure includes a storage bracket 6, which is fixed on a fixing seat at one end of the supporting bracket 1 away from the console 14. Three receiving notches 62 are respectively provided at both ends of the length direction of the storage bracket 6, and the three receiving notches 62 are distributed along the height direction of the storage bracket 6. The receiving notches 62 at both ends of the storage bracket 6 along the length direction are opposite to each other.

[0046] Reference Figure 1 as well as Figure 6 The storage bracket 6 can also be detachably mounted with a plurality of storage rods 61, which are used to reel in the screw rod, and the two ends of the storage rod 61 are respectively placed in two opposite receiving notches 62. It is convenient to replace the storage rod 61 to the storage bracket 6, and the storage rod 61 can be rotated relative to the storage bracket 6, so as to facilitate the removal of the screen 5 from the upper storage rod 61.

[0047] Reference Figure 1 as well as Figure 3 The middle part of the top of the support bracket 1 is set as a screen frame storage position, and the support bracket 1 is also fixed with a plurality of lifting members 15. In this embodiment, the lifting members 15 are lifting cylinders fixed on the screen frame storage position of the support bracket. There are four lifting cylinders, and the output rods of the lifting cylinders face upward. The lifting cylinders are controlled by the control console 14. The screen frame 4 is simultaneously sleeved on the output rods of the four lifting cylinders, so that the lifting cylinders are used to temporarily fix the screen frame 4, and the lifting cylinders can drive the screen frame 4 to rise and fall. When the clamping assembly clamps the screen 5, the screen frame 4 is located below the screen 5, and the screen frame 4 is located in the support bracket 1.

[0048] The implementation principle of an automatic mesh-pulling machine in the embodiment of the present application is as follows:

[0049] When it is necessary to print the screen, first control the control console 14 to drive the driving cylinder to separate the driving plate from the bottom of the fixed seat, then place the screen frame 4 on the lifting member 15, then take out the screen 5 from the storage rod 61, and pull the screen 5 between the driving plate and the fixed seat, then control the control console 14 to drive the driving cylinder to drive the driving plate to move toward the bottom of the fixed seat until the driving plate and the bottom of the fixed seat clamp the screen 5, and then cut the screen 5.

[0050] Then, the first motor 21 and the second motor 22 are started through the control console 14. The first motor 21 drives the driving shaft 31 to rotate through the driving chain 211. The driving shaft 31 drives the driving sleeve 32 to rotate relative to the driving shaft 31. The driving sleeve 32 is clamped with the driven shaft 33 because the thread direction of the connecting groove 321 is opposite to that of the driving sleeve 32. The fixed seat limits the rotation of the driven shaft 33, so that the driving sleeve 32 and the driven shaft 33 slide relative to the supporting bracket 1, thereby causing the fixed seat to slide relative to the supporting bracket 1, thereby stretching the wire mesh 5. The second motor 22 drives the linkage gear 225 to rotate through the linkage chain 222, and the fixed seat limits the linkage shaft 224 to rotate, so that the linkage shaft 224 slides relative to the supporting bracket 1, thereby causing the fixed seat to slide relative to the supporting bracket 1, thereby stretching the wire mesh 5.

[0051] Then, the control console 14 controls the output rod of the lifting member 15 to rise, and the lifting member 15 drives the screen frame 4 to rise until the screen frame 4 abuts against the wire mesh 5, and then the wire mesh 5 is adhered to the screen frame 4; then, the control console 14 drives the clamping assembly to release the wire mesh 5, and the adhered screen frame 4 can be removed.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic net-drawing machine, characterized in that: The invention comprises a supporting bracket (1), a clamping assembly, a driving structure (2) and a storage structure, wherein the supporting bracket (1) is arranged on a bearing surface, the clamping assembly is arranged on the supporting bracket (1), and the clamping assembly is used to clamp a wire mesh (5); the driving structure (2) is arranged on the supporting bracket (1), and the driving structure (2) is used to drive the clamping assembly to move and thereby stretch the wire mesh (5); the storage structure is arranged on the supporting bracket (1), and the storage structure is used to roll up the wire mesh (5).

2. The automatic mesh-drawing machine according to claim 1, characterized in that: The driving structure (2) is provided with a plurality of driving shafts (31), and the driving structure (2) is used to drive the plurality of driving shafts (31) to rotate synchronously. A driven shaft (33) is threadedly provided at both ends of the driving shaft (31), and the threads at both ends of the driving shaft (31) have opposite directions. The driven shaft (33) is slidably provided on the supporting bracket (1); and the clamping assembly is provided on the driven shaft (33).

3. The automatic mesh-drawing machine according to claim 2, characterized in that: The clamping assembly comprises a fixed seat, a driving member and a driving plate, wherein the fixed seat is arranged on the driven shaft (33), the driving member is arranged on the fixed seat, the driving plate is arranged on the driving member, and the driving member is used to drive the driving plate to move toward a direction close to the bottom of the fixed seat to clamp the wire mesh (5).

4. The automatic mesh-drawing machine according to claim 1, characterized in that: The supporting bracket (1) is provided with a screen frame storage position, and the screen frame is movably arranged on the supporting bracket (1) in a manner that it can be raised or lowered.

5. The automatic mesh-drawing machine according to claim 4, characterized in that: The supporting bracket (1) is also provided with a plurality of lifting members (15), wherein the lifting members (15) are used to temporarily fix the screen frame (4), and the lifting members (15) are used to drive the screen frame (4) to rise and fall, and when the clamping assembly clamps the screen (5), the screen frame (4) is located below the screen (5).

6. The automatic mesh-drawing machine according to claim 1, characterized in that: The storage structure comprises a storage bracket (6), wherein the storage bracket (6) is arranged on the supporting bracket (1), and the storage bracket (6) is provided with a plurality of storage rods (61), and the storage rods (61) are used for rolling up the wire mesh (5).

7. The automatic mesh-drawing machine according to claim 6, characterized in that: The storage rod (61) is detachably mounted on the storage bracket (6).

8. The automatic mesh-drawing machine according to claim 7, characterized in that: The storage bracket (6) is provided with a plurality of receiving notches (62), and the receiving notches (62) are used to support the storage rod (61).

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