Positioning device for cutting mesh cloth
Technical Field
The utility model relates to the technical field of mesh processing equipment, in particular to a positioning device for cutting mesh.
Background
In the production and processing of mesh fabrics, it is often necessary to cut the mesh fabrics to meet the requirements of different sizes and shapes. However, when the existing mesh cutting equipment is used for positioning mesh, the problem of inaccurate positioning exists, so that the size precision of the cut mesh is low, the subsequent use effect is affected, the mesh is easy to deviate in the cutting process, and the operation difficulty and the rejection rate are increased.
Disclosure of utility model
(1) Technical proposal
In order to solve the technical problems, the utility model provides a positioning device for cutting mesh cloth, which comprises a frame, a cutting table, supporting legs, scale marks, a clamping mechanism, a compressing mechanism, a sliding rail, a sliding block, a fixing bolt, a positioning bracket, a moving frame, a second screw rod, a motor, a second moving block and a cutting assembly, wherein one end of the frame is provided with the clamping mechanism, the other end of the frame is provided with the compressing mechanism, the cutting table is arranged in the frame between the clamping mechanism and the compressing mechanism, the bottom of the cutting table is fixedly supported on the inner wall of the bottom of the frame through the supporting legs, the scale marks are arranged on two sides of the cutting table, the sliding rail is arranged on two sides of the frame above the cutting table, the sliding block is connected with the sliding block in a sliding manner, the sliding block is fixed on the sliding rail through the fixing bolt, the bottom of the sliding block is vertically downwards provided with the positioning bracket, the lower end of the positioning bracket is provided with a pointed end, the pointed end corresponds to the scale marks on two sides of the cutting table, the two positioning frames are fixedly arranged on the two sides of the frame, the second screw rod is connected with the second screw rod, the second screw rod is connected with the moving end of the moving frame through the second screw rod, and the sliding block is connected with the second screw rod.
Preferably, the clamping mechanism comprises an upper connecting frame, a lower connecting frame, an upper clamping roller and a lower clamping roller, wherein the upper connecting frame is arranged on the inner wall of the top of the frame, the lower connecting frame is arranged on the inner wall of the bottom of the frame, the upper clamping roller is rotatably arranged in the upper connecting frame, the lower clamping roller is rotatably arranged in the lower connecting frame, and the upper clamping roller and the lower clamping roller are in one-to-one correspondence.
Preferably, the compressing mechanism comprises a top plate, a connecting block, a first screw rod, a driving mechanism, compressing pieces and a first moving block, wherein two connecting blocks are fixed on the bottom surface of the top plate, the first screw rod is rotatably installed between the two connecting blocks, the first screw rod is driven by the driving mechanism, threads are not arranged in the middle of the first screw rod, threads with opposite thread directions are arranged on two sides of the first screw rod, the first moving block is sleeved on the threads, the upper end of the first moving block is slidably connected in a first moving groove on the bottom surface of the top plate, and the lower end of the first moving block is connected with the compressing pieces.
Preferably, the driving mechanism comprises a first gear, a second gear and a driving motor, wherein the second gear is fixedly connected to an output shaft of the driving motor, the first gear is fixedly connected to one end of the first screw, and the first gear is meshed with the second gear.
Preferably, the compressing member comprises a mounting frame, a first air cylinder and a compressing plate, wherein the top of the mounting frame is connected with the lower end of the first moving block, the first air cylinder is mounted on the bottom of the mounting frame, a first piston rod of the first air cylinder is arranged downwards, the lower end of the first piston rod penetrates through the bottom of the mounting frame and is connected with the top of the compressing plate, and the bottom of the compressing plate is provided with waves.
Preferably, the cutting assembly comprises a cutting support, a second cylinder, a cutting motor and a cutting blade, wherein the top of the cutting support is connected with the lower end of the second moving block, the second cylinder is arranged on the bottom of the cutting support, a second piston rod of the second cylinder is arranged downwards, the lower end of the second piston rod penetrates through the bottom of the cutting support and is connected with the cutting motor, and an output shaft of the cutting motor is connected with the cutting blade.
(2) Advantageous effects
Compared with the prior art, the positioning device for cutting the mesh cloth has the following beneficial effects:
1. The motor for driving the upper clamping roller and the lower clamping roller to rotate is used for driving the upper clamping roller and the lower clamping roller to rotate so as to clamp and convey the screen cloth to the cutting table, and then the first cylinder is started to drive the first piston rod to move so as to drive the compacting plate to descend, so that the screen cloth is compacted, the screen cloth is prevented from shifting in the cutting process, and the qualification rate of screen cloth cutting is improved.
2. The second gear is driven by the driving motor to rotate and meshed with the first gear to drive the first gear to rotate along with the second gear, so that the movement of the two first moving blocks on the first screw rod is realized, the adjustment of the distance between the two pressing pieces is realized, the screen cloth with different widths is adapted to pressing, and the practicability is high.
3. The friction force between the compacting plates and the mesh cloth can be increased by arranging the corrugations, so that the compacting effect is improved, and the offset in the cutting process is effectively avoided.
4. The positioning support is moved according to the length of the mesh cloth to be cut, the position of the positioning support is determined according to the position of the scale mark pointed by the tip, the position of the positioning support is fixed through the fixing bolt after the position is determined, then the cutting motor is started to drive the cutting blade to rotate so as to realize cutting, the accuracy of cutting positioning is ensured, and the size precision of the cut mesh cloth is improved.
Drawings
Fig. 1 is a side view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a top view of the cutting table of the present utility model.
The reference numerals are 1-frame, 2-cutting table, 3-supporting leg, 4-scale mark, 5-clamping mechanism, 51-upper connecting frame, 52-lower connecting frame, 53-upper clamping roller, 54-lower clamping roller, 6-pressing mechanism, 61-top plate, 611-first moving slot, 62-connecting block, 63-first screw, 64-driving mechanism, 641-first gear, 642-second gear, 643-driving motor, 65-pressing piece, 651-mounting frame, 652-first cylinder, 653-first piston rod, 654-pressing plate, 6541-ripple, 66-first moving block, 7-slide rail, 8-slide block, 9-fixing bolt, 10-positioning bracket, 101-tip, 11-moving frame, 111-second moving slot, 12-second screw, 13-motor, 14-second moving block, 15-cutting bracket, 16-second cylinder, 161-second piston rod, 17-cutting motor, 18-cutting blade.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-4, the positioning device for cutting mesh cloth according to the present utility model comprises a frame 1, a cutting table 2, a supporting leg 3, scale marks 4, a clamping mechanism 5, a pressing mechanism 6, a slide rail 7, a slide block 8, a fixing bolt 9, a positioning bracket 10, a moving frame 11, a second screw 12, a motor 13, a second moving block 14 and a cutting assembly, wherein the clamping mechanism 5 is installed on one end of the frame 1, the pressing mechanism 6 is installed on the other end of the frame 1, the cutting table 2 is arranged in the frame 1 between the clamping mechanism 5 and the pressing mechanism 6, the bottom of the cutting table 2 is fixedly supported on the inner wall of the bottom of the frame 1 through the supporting leg 3, the scale marks 4 are arranged on both sides of the cutting table 2, the slide rail 7 is arranged on both sides of the frame 1 above the cutting table 2, the slide rail 8 is connected in a sliding manner, the sliding block 8 is fixed on the sliding rail 7 through the fixing bolt 9, the bottom of the sliding block 8 is vertically and downwards provided with the positioning support 10, the lower end of the positioning support 10 is provided with a pointed end 101, the two pointed ends 101 correspondingly point to the scale marks 4 on two sides of the cutting table 2, the movable frame 11 is fixed between the upper parts of the two positioning supports 10, the movable frame 11 is of an inverted U shape, the second screw 12 is rotatably arranged between two vertical arm ends, the second screw 12 is driven by the motor 13, the second screw 12 is connected with the second movable block 14 in a threaded manner, the upper end of the second movable block 14 is slidably connected in the second movable groove 111 on the inner wall of the top of the movable frame 11, and the bottom of the second movable block 14 is connected with the cutting assembly.
The clamping mechanism 5 comprises an upper connecting frame 51, a lower connecting frame 52, an upper clamping roller 53 and a lower clamping roller 54, wherein the inner wall of the top of the frame 1 is provided with the upper connecting frame 51, the inner wall of the bottom of the frame 1 is provided with the lower connecting frame 52, the upper clamping roller 53 is rotatably mounted on the upper connecting frame 51, the lower clamping roller 54 is rotatably mounted on the lower connecting frame 52, and the upper clamping roller 53 and the lower clamping roller 54 are in one-to-one correspondence.
The pressing mechanism 6 comprises a top plate 61, a connecting block 62, a first screw 63, a driving mechanism 64, pressing pieces 65 and a first moving block 66, wherein two connecting blocks 62 are fixed on the bottom surface of the top plate 61, the first screw 63 is rotatably installed between the two connecting blocks 62, the first screw 63 is driven by the driving mechanism 64, threads with opposite thread directions are not arranged in the middle of the first screw 63, two sections of threads with opposite thread directions are arranged on two sides of the first screw 63, the first moving block 66 is sleeved on the threads, the upper end of the first moving block 66 is slidably connected in a first moving groove 611 on the bottom surface of the top plate 61, the lower end of the first moving block 66 is connected with the pressing pieces 65, a driving motor 643 can be started to drive a second gear 642 to rotate and mesh with the second gear 641, the movement of the two first moving blocks 66 on the first screw 63 is further realized, the adjustment of the distance between the two pressing pieces 65 is further realized, and the pressing width of the screen cloth is strong and practical.
The driving mechanism 64 includes a first gear 641, a second gear 642, and a driving motor 643, the second gear 642 is fixedly connected to an output shaft of the driving motor 643, the first gear 641 is fixedly connected to one end of the first screw 63, and the first gear 641 is meshed with the second gear 642.
The compressing piece 65 comprises a mounting frame 651, a first air cylinder 652 and a compressing plate 654, the top of the mounting frame 651 is connected with the lower end of the first moving block 66, the first air cylinder 652 is mounted on the bottom of the mounting frame 651, a first piston rod 653 of the first air cylinder 652 is arranged downwards, the lower end of the first piston rod 653 penetrates through the bottom of the mounting frame 651 and is connected with the top of the compressing plate 654, the bottom of the compressing plate 654 is provided with a ripple 6541, friction force between the compressing plate 654 and mesh cloth can be increased by arranging the ripple 6541, compressing effect is improved, and offset in the cutting process is effectively avoided.
The cutting assembly comprises a cutting support 15, a second air cylinder 16, a cutting motor 17 and a cutting blade 18, wherein the top of the cutting support 15 is connected with the lower end of the second moving block 14, the second air cylinder 16 is installed on the bottom of the cutting support 15, a second piston rod 161 of the second air cylinder 16 is arranged downwards, the lower end of the second piston rod 161 penetrates through the bottom of the cutting support 15 and is connected with the cutting motor 17, and an output shaft of the cutting motor 17 is connected with the cutting blade 18.
In actual work, the screen cloth to be cut enters between an upper clamping roller 53 and a lower clamping roller 54 in a clamping mechanism 5, a motor for driving the upper clamping roller 53 and the lower clamping roller 54 to rotate is started to drive an upper clamping roller 23 and a lower clamping roller 24 to rotate so as to clamp and convey the screen cloth to a cutting table 2, then a first cylinder 652 is started to drive a first piston rod 653 to move so as to drive a pressing plate 654 to descend so as to compress the screen cloth, the screen cloth is prevented from shifting in the cutting process, the qualification rate of the screen cloth is improved, then the positioning support 10 is moved according to the length required to be cut by the screen cloth, the position of the positioning support 10 is determined according to the positions of scale marks 4 pointed by a tip 101, and after the position of the positioning support 10 is determined, the position of the positioning support 10 is fixed through a fixing bolt 9. Then, the cutting motor 17 is started to drive the cutting blade 18 to rotate, and meanwhile, the motor 13 is started to drive the second screw 12 to rotate so as to drive the second moving block 14 to move, and then the whole cutting support 15 is driven to move, so that the moving cutting of the mesh cloth is realized (the blade and the tip are positioned on the same horizontal line during cutting). What is not described in detail in this specification is prior art known to those skilled in the art.
The examples described above only represent preferred embodiments of the present utility model, which are described in more detail, but the present utility model is not limited to these examples, and it should be noted that it is obvious to those skilled in the art that the present utility model is not limited to these examples. Any modifications thereof fall within the scope of the present utility model without departing from the spirit of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.