CN211217461U

CN211217461U - Device for tensioning screen mesh of electromagnetic vibrating screen

Info

Publication number: CN211217461U
Application number: CN201921901672.4U
Authority: CN
Inventors: 王宏利; 李松奕; 赵环帅; 王延鹏
Original assignee: Tangshan Landsky Tech Co ltd
Current assignee: Tangshan Landsky Tech Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-11
Anticipated expiration: 2029-11-06

Abstract

A device for tensioning a screen of an electromagnetic vibrating screen belongs to the technical field of electromagnetic vibrating screen equipment and is used for tensioning the screen of the electromagnetic vibrating screen. The technical scheme is as follows: it includes the hook plate, special-shaped double-screw bolt, adjusting nut, angle steel, the front end of hook plate is connected with the screen cloth edge, the lower extreme of hook plate is connected with the upper end of special-shaped double-screw bolt, a right-angle side of angle steel passes through the draw bar and is connected crossbeam fixed connection with the screen cloth, there is the regulation hole on another right-angle side of angle steel, special-shaped double-screw bolt passes the regulation hole, adjusting nut twists on special-shaped double-screw bolt, the lower extreme and the screen frame of special-shaped double-screw bolt are swing joint. The utility model discloses simple structure, regulation are nimble, adaptability is strong, but the straining force of quick adjustment screen cloth makes the sieve plate keep the tensioning, improves the sorting effect of sieve machine.

Description

Device for tensioning screen mesh of electromagnetic vibrating screen

Technical Field

The utility model relates to a carry out taut device to electromagnetic vibration sieve screen cloth belongs to electromagnetic vibration sieve equipment technical field.

Background

The electromagnetic vibrating screen is an important device for screening materials and has the characteristics of no movement of a screen box and high-frequency vibration of a screen surface. When the electromagnetic vibration sieve is used for sieving materials, the sieve is an important structural member, the polyurethane support net and the composite net are mainly adopted at present, the sieve vibrates at high frequency under the excitation action of the electromagnetic vibration exciter, and the tensioning degree of the sieve not only influences the sieving effect, but also influences the service life of the sieve. The screen mesh of the prior vibrating screen is usually fixed by pressing screen wood, polyurethane or rubber blocks in a pressing mode or by adopting fasteners for connection. The disadvantages of these fixing means are: in the field application process of the electromagnetic vibration sieve, the high-frequency vibration of the screen cloth can easily cause the screen cloth to be loosened, the tensioning degree of the screen cloth is not easy to adjust, the screen cloth is not easy to install or disassemble, and the replacement and adjustment efficiency of the screen cloth is greatly reduced while the separation effect of the electromagnetic vibration sieve is influenced. It is therefore necessary to design a tensioning device for the sieve plate of an electromagnetic vibrating screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a device of taut electromagnetic vibration sieve screen cloth is provided, this kind of device can taut screen cloth to the straining force that can the quick adjustment screen cloth makes the screen cloth keep the tensioning, improves the sorting effect of sieve machine.

The technical scheme for solving the technical problems is as follows:

the utility model provides a device of taut electromagnetic vibration sieve screen cloth, it includes the hook plate, the dysmorphism double-screw bolt, adjusting nut, angle connector, the front end of hook plate is connected with the screen cloth edge, the lower extreme of hook plate is connected with the upper end of dysmorphism double-screw bolt, angle connector's a right angle limit passes through the pull rod and is connected crossbeam fixed connection of screen cloth, there is the regulation hole on another angle edge of angle connector, the dysmorphism double-screw bolt passes the regulation hole, adjusting nut twists on the dysmorphism double-screw bolt, the lower extreme and the sieve machine of dysmorphism double-screw bolt are swing joint.

According to the device for tensioning the screen of the electromagnetic vibrating screen, the hook plate is a rectangular steel plate, one side of the long edge of the hook plate is bent towards one side of the central line, the included angle between the bent part and the screen surface is smaller than ninety degrees, the bent part and the surface of the hook plate are connected in a circular arc shape, the edge of the screen is bent towards the center of the screen, and the bent part of the hook plate is relatively hooked with the bent part at the edge of the screen.

Above-mentioned device of taut electromagnetic vibration sieve screen cloth, the dysmorphism double-screw bolt comprises flat bar and threaded rod, and the central point of the front end of flat bar and the face length of hook plate puts welded connection, and the rear end of flat bar and the front end welded connection of threaded rod, threaded rod pass angle steel's regulation hole.

The device for tensioning the screen of the electromagnetic vibrating screen further comprises a rubber pad, a gasket and a sheath, wherein the rubber pad and the gasket are sleeved on the threaded rod of the special-shaped stud, the rubber pad and the gasket are located between the connecting angle steel and the adjusting nut, and the sheath is sleeved on the threaded rod behind the adjusting nut.

The utility model has the advantages that:

the utility model discloses a front end and the screen cloth edge of drag hook board collude mutually and link to each other, and the rear end of drag hook board is connected with special-shaped double-screw bolt, and the threaded rod of special-shaped double-screw bolt removes backward under adjusting nut's drive, and special-shaped double-screw bolt passes through the drag hook board and stimulates the screen cloth backward, realizes the operation of taut screen cloth.

The utility model discloses simple structure, regulation are nimble, adaptability is strong, but the straining force of quick adjustment screen cloth makes the screen cloth keep the tensioning, improves the sorting effect of screen frame.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a hook plate and a profiled stud;

fig. 3 is a side view of fig. 2.

The figures are labeled as follows: the screen cloth 1, connect crossbeam 2, angle steel 3, drag hook board 4, dysmorphism double-screw bolt 5, flat pole 6, threaded rod 7, adjusting nut 8, cushion 9, gasket 10, sheath 11.

Detailed Description

The utility model discloses constitute by angle connector 3, drag hook board 4, special-shaped double-screw bolt 5, adjusting nut 8, cushion 9, gasket 10, sheath 11.

The front end of the hook plate 4 is shown attached to the edge of the screen 1. The draw hook plate 4 is a rectangular steel plate, one side of the long edge of the draw hook plate 4 is bent towards one side of the central line, the included angle between the bent part and the plate surface is less than ninety degrees, the bent part and the plate surface of the draw hook plate 4 are connected in a circular arc shape, the edge of the screen mesh 1 is bent towards the center of the screen mesh, and the bent part of the draw hook plate 4 is relatively hooked with the bent part at the edge of the screen mesh 1. The hook plate 4 tightens the screen cloth 1 by the bent portion.

The lower end of the retractor plate 4 is shown connected to the upper end of the shaped stud 5. The special-shaped stud 5 consists of a flat rod 6 and a threaded rod 7, the front end of the flat rod 6 is connected with the center of the length of the surface of the drag hook plate 4 in a welding mode, the rear end of the flat rod 6 is connected with the front end of the threaded rod 7 in a welding mode, and the threaded rod 7 penetrates through an adjusting hole of the connecting angle steel 3.

The drawing shows that one right-angle edge of the connecting angle steel 3 is fixedly connected with the connecting beam 2 of the screen mesh 1 through a pull rod, the other right-angle edge of the connecting angle steel 3 is provided with an adjusting hole, a threaded rod 7 of the special-shaped stud 5 penetrates through the adjusting hole, an adjusting nut 8 is screwed on the threaded rod 7 of the special-shaped stud 5, and the lower end of the threaded rod 7 is movably connected with the screen machine.

The figure shows that the rubber pad 9 and the gasket 10 are sleeved on the threaded rod 7 of the special-shaped stud 5, and the rubber pad 9 and the gasket 10 are positioned between the connecting angle steel 3 and the adjusting nut 8. A sheath 11 is sleeved on the threaded rod 7 behind the adjusting nut 8, and the sheath 11 protects the threaded rod 7 of the special-shaped stud 5.

The utility model discloses a use method as follows:

when the screen mesh 1 needs to be tensioned, the bent part of the pull hook plate 4 is hooked with the bent part of the screen mesh 1, then the adjusting nut 8 is rotated by a wrench, and the adjusting nut 8 is propped against the gasket 10 to rotate; when the adjusting nut 8 rotates, the flat rod 6 at the front end of the special-shaped stud 5 is fixedly connected with the drag hook plate 4, the special-shaped stud 5 is restrained from rotating, the threaded rod 7 of the special-shaped stud 5 can only move back and forth along the axis of the threaded rod 7 when the adjusting nut 8 rotates, the adjusting screw rod can move back and forth as the nut drives the adjusting screw rod, and in the process, the connecting angle steel 3 is used as a supporting point of the adjusting nut 8 and keeps still; when the special-shaped stud 5 moves backwards, the pull hook plate 4 is driven to move backwards, the pull hook plate 4 is about to pull the screen 1 backwards, and the operation of pulling the screen 1 is realized.

The utility model discloses an embodiment as follows:

the draw hook plate 4 is made of a steel plate with the thickness of 4mm, and the bending angle of the draw hook plate 4 is 30 degrees;

the special-shaped stud 5 is made of round steel with the diameter of 16mm, and the threaded rod 7 is an M16 threaded rod;

the specification of the adjusting nut 8 is M16 (GB/T41-2000);

the rubber cushion 9 is made of rubber, and has the specification of 40mm of outer diameter, 17mm of inner diameter and 30mm of height;

the gasket 10 is made of a steel plate with the thickness of 4mm, and has the specification of 45mm of outer diameter, 16.5mm of inner diameter and 30mm of height;

the sheath 11 is made of rubber, and the inner hole is 16 mm.

Claims

1. The utility model provides a device of taut electromagnetic vibration sieve screen cloth which characterized in that: it includes hook plate (4), dysmorphism double-screw bolt (5), adjusting nut (8), angle steel (3), the front end and screen cloth (1) edge of hook plate (4) are connected, the lower extreme of hook plate (4) is connected with the upper end of dysmorphism double-screw bolt (5), a right angle limit of angle steel (3) passes through connecting crossbeam (2) fixed connection of pull rod and screen cloth (1), there is the regulation hole on another right angle edge of angle steel (3), dysmorphism double-screw bolt (5) pass the regulation hole, adjusting nut (8) are twisted on dysmorphism double-screw bolt (5), the lower extreme and the sieve machine of dysmorphism double-screw bolt (5) are swing joint.

2. An apparatus for tensioning a screen of an electromagnetic vibratory screen as defined in claim 1, wherein: the sieve mesh is characterized in that the hook plate (4) is a rectangular steel plate, one side of a long edge of the hook plate (4) is bent towards one side of a central line, an included angle between the bent part and the plate surface is smaller than ninety degrees, the bent part and the plate surface of the hook plate (4) are connected in a circular arc shape, the edge of the sieve mesh (1) is bent towards the center of the sieve mesh, and the bent part of the hook plate (4) is relatively hooked with the bent part at the edge of the sieve mesh (1).

3. An apparatus for tensioning a screen of an electromagnetic vibratory screen as defined in claim 1, wherein: the special-shaped stud (5) is composed of a flat rod (6) and a threaded rod (7), the front end of the flat rod (6) is connected with the center of the length of the surface of the hook plate (4) in a welding mode, the rear end of the flat rod (6) is connected with the front end of the threaded rod (7) in a welding mode, and the threaded rod (7) penetrates through an adjusting hole of the connecting angle steel (3).

4. An apparatus for tensioning a screen of an electromagnetic vibratory screen as defined in claim 1, wherein: the special-shaped stud bolt is characterized by further comprising a rubber cushion (9), a gasket (10) and a sheath (11), wherein the rubber cushion (9) and the gasket (10) are sleeved on a threaded rod (7) of the special-shaped stud bolt (5), the rubber cushion (9) and the gasket (10) are located between the connecting angle steel (3) and the adjusting nut (8), and the sheath (11) is sleeved on the threaded rod (7) behind the adjusting nut (8).