Round tensioning device for processing polyester screen

Abstract

The utility model relates to the field of tensioning devices, in particular to a circular tensioning device for processing a polyester screen. Comprising a bottom plate, a top plate and an adjusting structure, the arc surface of the bottom plate is fixedly connected with two supporting frames, the sides, close to each other, of the two supporting frames are fixedly connected with the top plate, an annular hole is formed in the surface of the top plate, and the adjusting structure is located on the top plate and comprises two arch-shaped plates; a toothed ring is attached to the inner wall of the arched plate, a plurality of connecting holes are formed in the surface of the toothed ring, connecting rods are slidably connected to the inner walls of the connecting holes, lug plates are fixedly connected to the upper ends of the connecting rods, a connecting plate is fixedly connected to one side of each lug plate, and a lead screw is rotationally arranged on the surface of each connecting plate in a penetrating mode. The circular tensioning device for polyester screen machining has the advantages that the clamping plates can be conveniently adjusted to conduct tensioning operation on annular screens with different diameters, and the application range of the tensioning device is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tensioner, especially relates to a circular tensioner for polyester screen mesh processing. BACKGROUND

[0002] The screen tensioner is used to ensure the tension of the screen to improve the screening effect and prolong the service life of the screen.

[0003] The invention with the announcement number CN101380629B discloses a tensioner for making circular screen, and its technical scheme points are as follows: a screen pressing plate with a circular center hole, screen raw materials for making circular screen are fixed on the lower side of the screen pressing plate; a tensioning part with a circular outer periphery, the difference between the outer periphery diameter of the tensioning part and the inner periphery diameter of the circular center hole of the screen pressing plate is greater than the thickness of the screen raw materials; a circular screen frame is arranged on the inner side of the tensioning part, and the plane formed by the upper plane of the circular screen frame and the support vertex of the tensioning part is coincident; and a driving mechanism of the tensioning part, which drives the tensioning part to insert into the center hole of the screen pressing plate for tensioning the circular screen, or to exit from the center hole of the screen pressing plate after the tensioned circular screen is fixed on the circular screen frame.

[0004] In view of the above-mentioned related content, it is found that the following technical defects exist: the tensioner in the prior art is inconvenient for tensioning operation of filter screens of different sizes, thereby reducing the application range of the tensioner.

[0005] Therefore, it is necessary to provide a new circular tensioner for polyester screen mesh processing to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the defects in the prior art and provides a circular tensioner for polyester screen mesh processing.

[0007] The utility model provides a circular tensioning device for terylene screen mesh processing, it is including: bottom plate, top plate and adjusting structure, the arc surface fixed connection of bottom plate has two support frames, two the side of support frame each other close fixedly connected with top plate, the surface of top plate is equipped with annular hole, adjusting structure is located top plate, adjusting structure includes two arch board, the inner wall of arch board is pasted with gear ring, a plurality of connecting holes are equipped on the surface of gear ring, the inner wall of connecting hole is connected with connecting rod in sliding, the upper end of connecting rod is fixedly connected with lug plate, lug plate one side fixedly connected with link plate, the surface of link plate is rotatably equipped with screw rod, the arc surface of screw rod is equipped with two -way screw thread, the arc surface screw thread of screw rod is connected with two clamping plates, the section of clamping plate is'Z' shape, a plurality of guide rods are rotatably equipped on the surface of clamping plate, the one end of guide rod is fixedly connected with link plate.

[0008] The effect of the above components is that: by setting the adjusting structure, the clamping plate can conveniently adjust the tensioning operation of the annular screen mesh with different diameters, thereby improving the application range of the tensioning device.

[0009] Preferably, one side of the top plate is fixedly connected with a welding plate, one side of the welding plate is fixedly connected with a servo motor, an output end of the servo motor is fixedly connected with a tooth block, and the tooth block is engaged with the gear ring.

[0010] The effect of the above components is that: starting the servo motor drives the tooth block to rotate, and the tooth block drives the gear ring to rotate, thereby achieving the effect of automatically controlling the rotation of the gear ring.

[0011] Preferably, both sides of the link plate are fixedly connected with positioning plates, and the side surface of the positioning plate is rotatably provided with a positioning rod, and one end of the positioning rod is fixedly connected with the top plate.

[0012] The effect of the above components is that: when the link plate moves, the positioning plate fixedly connected with the link plate will move along the surface of the positioning rod, thereby improving the stability of the moving process of the link plate.

[0013] Preferably, one side of each of the two clamping plates is fixedly connected with a rubber pad.

[0014] The effect of the above components is that: the rubber pad can improve the friction on one side of the clamping plate, thereby improving the limiting effect of the clamping plate on the screen mesh.

[0015] Preferably, the upper surface of the bottom plate is provided with a placement jacking structure, the placement jacking structure includes a driving rod, the lower surface of the driving rod is rotatably connected with the upper surface of the bottom plate, the arc surface of the driving rod is screw-connected with a connecting plate, the section of the connecting plate is'U' shape, and the upper surface of the connecting plate is fixedly connected with a disc.

[0016] The effects achieved by the above components are: by arranging and placing the jacking mechanism, the disc can be used to temporarily support the screen, and the disc can be adjusted to further tension the screen.

[0017] Preferably, the arc surface of the driving rod is fixedly connected to a driven bevel gear, the upper surface of the base plate is fixedly connected to a limit bolt, the inner wall of the limit bolt is rotatably connected to a rotating rod, one end of the rotating rod is fixedly connected to a driving bevel gear, and the driving bevel gear is meshed with the driven bevel gear.

[0018] The effect achieved by the above components is: when the driving rod needs to be rotated, the rotating rod is first rotated to drive the active bevel gear to rotate, the active bevel gear drives the driven bevel gear to rotate, and the driven bevel gear drives the driving rod to rotate, thereby achieving the effect of conveniently controlling the rotation of the driving rod.

[0019] Preferably, one end of the rotating rod away from the driving bevel gear is fixedly connected to a handle.

[0020] The effect achieved by the above components is that a person can use the handle to rotate the rotating rod and the active bevel gear, thereby achieving the effect of conveniently controlling the rotating rod.

[0021] Compared with the related art, the circular tensioning device for polyester screen processing provided by the present invention has the following beneficial effects:

[0022] The utility model provides a circular tensioning device for processing polyester screen mesh. By arranging an adjustment structure, the clamping plate can be conveniently adjusted to perform tensioning operations on annular screen meshes of different diameters, thereby improving the application range of the tensioning device.

[0023] By setting up a jacking mechanism, the disc can be used to temporarily support the screen, and the disc can be adjusted to further tension the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic structural diagram of a circular tensioning device for polyester screen processing provided by the utility model;

[0025] Figure 2 for Figure 1 A schematic structural diagram of the regulatory structure shown;

[0026] Figure 3 for Figure 1 A schematic diagram of the local structure of the regulatory structure shown;

[0027] Figure 4 for Figure 3 The schematic diagram of the local structure shown;

[0028] Figure 5 for Figure 1The structure diagram of the placement lifting structure is shown.

[0029] In the figure, 1 is a bottom plate; 2 is a support frame; 3 is an adjusting structure; 301 is an arched plate; 302 is a gear ring; 303 is a connecting hole; 304 is a connecting rod; 305 is an ear plate; 306 is a connecting plate; 307 is a positioning plate; 308 is a positioning rod; 309 is a lead screw; 310 is a clamping plate; 311 is a rubber pad; 312 is a guide rod; 313 is a welding plate; 314 is a servo motor; 315 is a gear block; 4 is a placement lifting structure; 41 is a driven bevel gear; 42 is a driving rod; 43 is a connecting plate; 44 is a disc; 45 is a limiting bolt; 47 is a driving bevel gear; 48 is a handle; 5 is a top plate; and 6 is an annular hole. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0031] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0032] Please refer to Figure 1 The utility model discloses a circular tensioning device for polyester screen mesh processing, which comprises a bottom plate 1, a top plate 5 and an adjusting structure 3, the arc surface of the bottom plate 1 is fixedly connected with two support frames 2, the two support frames 2 are fixedly connected with the top plate 5 on the side close to each other, the surface of the top plate 5 is provided with an annular hole 6, the adjusting structure 3 is located on the top plate 5, and the upper surface of the bottom plate 1 is provided with a placement lifting structure 4.

[0033] In the embodiment of the utility model, please refer to Figures 2 to 4The adjusting structure 3 is located on the top plate 5, the adjusting structure 3 comprises two arched plates 301, the inner wall of the arched plate 301 is attached with a tooth ring 302, a plurality of connecting holes 303 are formed in the surface of the tooth ring 302, the inner wall of the connecting hole 303 is slidably connected with a connecting rod 304, the upper end of the connecting rod 304 is fixedly connected with an ear plate 305, one side of the ear plate 305 is fixedly connected with a connecting plate 306, a lead screw 309 is rotatably arranged on the surface of the connecting plate 306, a double-threaded screw is formed in the arc surface of the lead screw 309, two clamping plates 310 are screw-connected with the arc surface of the lead screw 309, the cross section of the clamping plate 310 is in a Z shape, a plurality of guide rods 312 are slidably arranged on the surface of the clamping plate 310, one end of the guide rod 312 is fixedly connected with the connecting plate 306, the adjusting structure 3 is arranged, the clamping plate 310 can conveniently adjust the tensioning operation of the annular screen with different diameters, the application range of the tensioning device is improved, one side of the top plate 5 is fixedly connected with a welding plate 313, one side of the welding plate 313 is fixedly connected with a servo motor 314, the output end of the servo motor 314 is fixedly connected with a tooth block 315, the tooth block 315 is engaged with the tooth ring 302, the servo motor 314 is started to drive the tooth block 315 to rotate, the tooth block 315 drives the gear ring to rotate, the effect that the gear ring can be automatically controlled to rotate is achieved, the both sides of the connecting plate 306 are fixedly connected with positioning plates 307, the side surface of the positioning plate 307 is slidably connected with positioning rods 308, one end of the positioning rod 308 is fixedly connected with the top plate 5, when the connecting plate 306 moves, the positioning plate 307 fixedly connected with the connecting plate 306 moves along the surface of the positioning rod 308, the effect that the stability of the connecting plate 306 in the moving process is improved is achieved, one side of each of the two clamping plates 310, which is close to each other, is fixedly connected with a rubber pad 311, the rubber pad 311 can improve the friction force of one side of the clamping plate 310, thereby improving the limiting effect of the clamping plate 310 on the screen;

[0034] In the embodiment of the utility model, referring to Figure 5The placing and jacking structure 4 comprises a driving rod 42, the lower surface of the driving rod 42 is rotationally connected with the upper surface of the bottom plate 1, the arc surface of the driving rod 42 is threadedly connected with a connecting plate 43, the cross section of the connecting plate 43 is in a 'U' shape, the upper surface of the connecting plate 43 is fixedly connected with a disc 44, the disc 44 can be used to temporarily support the screen by being arranged, and the disc 44 is adjusted to further tension the screen, the arc surface of the driving rod 42 is fixedly connected with a driven bevel gear 41, the upper surface of the bottom plate 1 is fixedly connected with a limiting bolt 46, the inner wall of the limiting bolt 46 is rotationally connected with a rotating rod 45, one end of the rotating rod 45 is fixedly connected with a driving bevel gear 47, the driving bevel gear 47 is engaged with the driven bevel gear 41, when the driving rod 42 needs to be rotated, the rotating rod 45 is first rotated to drive the driving bevel gear 47 to rotate, the driving bevel gear 47 drives the driven bevel gear 41 to rotate, and the driven bevel gear 41 drives the driving rod 42 to rotate, so that the driving rod 42 is conveniently controlled to rotate, the end, away from the driving bevel gear 47, of the rotating rod 45 is fixedly connected with a handle 48, and personnel can rotate the rotating rod 45 and the driving bevel gear 47 by means of the handle 48, so that the rotating rod 45 is conveniently controlled;

[0035] The working principle of the circular tensioning device for polyester screen processing is as follows: when the tensioning device needs to be used to tension the screen, the screen is first moved and placed between the upper and lower clamping plates 310, then the plurality of lead screws 309 are rotated respectively, the lead screws 309 drive the two clamping plates 310 to move in the limiting direction of the guide rods 312 and move towards each other, when the clamping plates 310 drive the rubber pads 311 to abut against the corner positions of the screen, the limiting of the screen is completed, then the servo motor 314 is started to drive the toothed block 315 to rotate, the toothed block 315 drives the toothed ring 302 to rotate, the toothed ring 302 drives the connecting rod 304 to slide along the inner wall of the connecting hole 303, at the same time, the connecting rod 304 drives the ear plate 305 and the connecting plate 306 to move, the connecting plate 306 drives the lead screw 309 and the clamping plate 310, so that the corner positions of the screen are pulled by the clamping plate 310, then the pulling is gradually performed, the tensioning operation of the screen is completed, when the screen tensioning is completed, the lead screw 309 is rotated again, the lead screw 309 drives the clamping plate 310 to drive the rubber pad 311 to separate from the screen, wherein, when the connecting plate 306 moves, the positioning plate 307 fixedly connected with the connecting plate 306 moves along the surface of the positioning rod 308, so that the stability of the connecting plate 306 during movement is improved, in addition, the rubber pad 311 can improve the friction force on one side of the clamping plate 310, so that the limiting effect of the clamping plate 310 on the screen is improved.

[0036] Before the ring screen is tensioned by the adjusting structure 3, the screen can be placed on the disc 44 first, and the disc 44 is used to temporarily support the screen, when further tensioning operation is needed, the rotating rod 45 is rotated by means of the handle 48, the rotating rod 45 drives the driving bevel gear 47 to rotate, the driving bevel gear 47 drives the driven bevel gear 41 to rotate, the driven bevel gear 41 drives the driving rod 42 to rotate, the driving rod 42 drives the connecting plate 43, the connecting plate 43 drives the disc 44 to extrude the center position of the screen, so that the screen can be further tensioned.

[0037] The circuit and the control involved in the utility model are prior art, and too much repetition is not performed herein.

[0038] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations made by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A circular tensioning device for polyester screen processing, characterized in that: include: A bottom plate (1), a top plate (5) and an adjustment structure (3), wherein the arc surface of the bottom plate (1) is fixedly connected to two support frames (2), the sides of the two support frames (2) close to each other are fixedly connected to the top plate (5), the surface of the top plate (5) is provided with an annular hole (6), the adjustment structure (3) is located on the top plate (5), and the adjustment structure (3) comprises two arched plates (301), the inner walls of the arched plates (301) are fitted with toothed rings (302), the surface of the toothed rings (302) is provided with a plurality of connection holes (303), the inner walls of the connection holes (303) are slidably connected with connection holes (303), and the inner walls of the connection holes (303) are provided with connection holes (303). A rod (304) is fixedly connected to an ear plate (305) at the upper end of the connecting rod (304), and a connecting plate (306) is fixedly connected to one side of the ear plate (305). A screw rod (309) is rotatably passed through the surface of the connecting plate (306), and a bidirectional thread is provided on the arc surface of the screw rod (309). The arc surface of the screw rod (309) is threadedly connected to two clamping plates (310), and the cross section of the clamping plate (310) is "Z"-shaped. A plurality of guide rods (312) are slidably passed through the surface of the clamping plate (310), and one end of the guide rod (312) is fixedly connected to the connecting plate (306).

2. A circular tensioning device for polyester screen processing according to claim 1, characterized in that: A welding plate (313) is fixedly connected to one side of the top plate (5), a servo motor (314) is fixedly connected to one side of the welding plate (313), a gear block (315) is fixedly connected to the output end of the servo motor (314), and the gear block (315) is meshed with the gear ring (302).

3. A circular tensioning device for polyester screen processing according to claim 1, characterized in that: Both sides of the connecting plate (306) are fixedly connected to positioning plates (307), and a positioning rod (308) is slidably passed through the side of the positioning plate (307), and one end of the positioning rod (308) is fixedly connected to the top plate (5).

4. A circular tensioning device for polyester screen processing according to claim 1, characterized in that: The two clamping plates (310) are both fixedly connected to a rubber pad (311) on one side thereof that is close to each other.

5. The circular tensioning device for polyester screen processing according to claim 1, characterized in that: The upper surface of the base plate (1) is provided with a placement and lifting structure (4), the placement and lifting structure (4) includes a driving rod (42), the lower surface of the driving rod (42) is rotatably connected to the upper surface of the base plate (1), the arc surface of the driving rod (42) is threadedly connected to a connecting plate (43), the cross-section of the connecting plate (43) is "U"-shaped, and the upper surface of the connecting plate (43) is fixedly connected to a disc (44).

6. A circular tensioning device for polyester screen processing according to claim 5, characterized in that: The arc surface of the driving rod (42) is fixedly connected to the driven bevel gear (41), the upper surface of the bottom plate (1) is fixedly connected to the limit bolt (46), the inner wall of the limit bolt (46) is rotatably connected to the rotating rod (45), one end of the rotating rod (45) is fixedly connected to the driving bevel gear (47), and the driving bevel gear (47) is meshed with the driven bevel gear (41).

7. A circular tensioning device for polyester screen processing according to claim 6, characterized in that: One end of the rotating rod (45) away from the driving bevel gear (47) is fixedly connected to a handle (48).

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