Noise reduction protective cover of light steel keel cold bending machine

Abstract

The utility model discloses a noise reduction protective cover of a lightgage steel joist cold bending machine, which relates to the technical field of cold bending machines, and comprises an end cover, a connecting cover and a sealing plate, transparent observation windows are hinged on the upper surfaces of the end cover and the connecting cover, one side wall of the end cover is fixedly connected with a fixing lug plate, two side walls of the connecting cover are fixedly connected with fixing lug plates, and the sealing plate is fixedly connected with the end cover. A threaded groove is formed in the surface of the fixing lug plate, the end cover and the connecting cover are detachably connected through the fixing lug plate and an external bolt, a keel through opening is formed in the surface of the sealing plate, an embedding groove is formed in the side wall of the sealing plate, and a reset spring is fixedly connected to the inner side wall of the embedding groove; the surfaces of the end covers, the connecting covers and the sealing plates are coated with the sound insulation coatings, noise generated during operation of the cold bending machine is remarkably reduced, hearing of operators and quietness of the working environment are effectively protected, the combined splicing mode has flexibility and customizability, and the cold bending machine is suitable for various devices, convenient to disassemble and maintain and high in practicability. Downtime is reduced, and production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold bending machine technical field, concretely is a kind of light steel keel cold bending machine's noise reduction protective cover. BACKGROUND

[0002] With the rapid development of construction industry, light steel keel as a new type of building material, because of its light weight, high strength, corrosion resistance and other advantages, is widely used in light building structure. In the production process of light steel keel, cold bending machine is an important equipment, mainly used for processing light steel plate into the required keel profile. However, in the cold bending process, the noise problem caused by machine operation is increasingly prominent, which brings many troubles to the surrounding environment and operators. Noise not only affects the comfort of working environment, but also may cause potential harm to the hearing of operators. At the same time, according to the relevant regulations of the state on noise pollution, the noise level in industrial production should be controlled within the specified standard range. Therefore, reducing the noise generated in the operation process of cold bending machine has become an important task to improve the quality of production environment and protect the health of workers.

[0003] Therefore, the person skilled in the art provides a noise reduction protective cover of light steel keel cold bending machine to solve the problems raised in the above background. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a noise reduction protective cover of light steel keel cold bending machine to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A noise reduction protective cover of light steel keel cold bending machine, comprising end cover, connecting cover and sealing plate, the upper surface of the end cover and the connecting cover is hinged with transparent observation window, the side wall of the end cover is fixedly connected with fixed lug plate, the side wall of the connecting cover is fixedly connected with fixed lug plate, the surface of the fixed lug plate is provided with threaded groove, the end cover and the connecting cover are detachably connected through fixed lug plate and external bolt, the surface of the sealing plate is provided with keel opening, the side wall of the sealing plate is provided with embedding groove, the inner side wall of the embedding groove is fixedly connected with return spring, and the one end of the return spring is fixedly connected with semicircular clamping ball.

[0007] As a further scheme of the utility model: the inner side wall of the embedding groove is provided with limiting groove, the inner side wall of the limiting groove is slidingly connected with limiting block, and the side wall of the limiting block is fixedly connected with the side wall of the semicircular clamping ball.

[0008] As a further scheme of the utility model: the inner side wall of the end cover is provided with arc groove, and the arc groove is matched with the semicircular clamping ball.

[0009] As a further scheme of the utility model: the end cover side wall is fixedly connected with a fixing part, a transmission screw rod is rotatably connected to the inner side wall of the fixing part, and the surface of the transmission screw rod is fixedly connected with a screw rod sleeve.

[0010] As a further scheme of the utility model: the surface of the screw rod sleeve is fixedly connected with a clamping plate, and the lower surface of the clamping plate is fixedly connected with a rubber pad.

[0011] As a further scheme of the utility model: a sliding groove is formed in the inner side wall of the fixing part, a sliding block is slidably connected to the inner side wall of the sliding groove, and one end of the sliding block is fixedly connected with one end of the clamping plate.

[0012] As a further scheme of the utility model: a knob is rotatably connected to the upper surface of the fixing part, and the shaft end of the knob is fixedly connected with one end of the transmission screw rod.

[0013] As a further scheme of the utility model: the surfaces of the end cover, the connecting cover and the sealing plate are coated with a sound insulation coating, and the end cover, the connecting cover and the sealing plate are made of aluminum alloy composite plate materials.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. When the sealing plate is connected, the semicircular clamping ball is extruded and moved, the semicircular clamping ball moves and compresses the return spring, so that the return spring is in a compressed state, when the sealing plate is completely immersed in the end cover, the arc groove is matched with the semicircular clamping ball, the return spring loses pressure and returns to the initial state, one end of the return spring moves to drive the semicircular clamping ball to move, the semicircular clamping ball moves and is immersed in the arc groove, that is, the connection of the sealing plate and the end cover is completed, the sealing plate can be quickly installed and dismounted, the operation is simple and convenient, the end cover is closed through the sealing plate, the sound insulation and protection effect is guaranteed, the noise generated during the operation of the cold bending machine is significantly reduced through the coating of the sound insulation coating on the surfaces of the end cover, the connecting cover and the sealing plate, and the hearing of the operator and the quietness of the working environment are effectively protected.

[0016] 2. The knob can be rotated to drive the transmission screw rod to rotate, the transmission screw rod drives the screw rod sleeve to move, the screw rod sleeve can only move in the direction of the sliding groove under the sliding of the sliding block, the screw rod sleeve drives the clamping plate to move, the clamping plate is clamped and fixed through the movement, so that the end cover is fixed on the cold bending machine rack, the end cover is fixed, the operation is simple and convenient, the protective cover is integrally combined and spliced by the end cover and the connecting cover, the combined and spliced mode has flexibility and customizability, is suitable for various equipment, is convenient to disassemble and maintain, reduces downtime, and reduces production cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of a noise reduction protective cover of a light steel keel cold bending machine.

[0018] Figure 2 It is a plane structure schematic view of half circle ball and arc slot meshing in a noise reduction protective cover of a light steel keel cold bending machine.

[0019] Figure 3 It is a plane structure schematic view of a fixing part in a noise reduction protective cover of a light steel keel cold bending machine.

[0020] Figure 4 It is a noise reduction protective cover of a light steel keel cold bending machine Figure 3 It is an enlarged view of A in the noise reduction protective cover of the light steel keel cold bending machine.

[0021] In the figure: 1, end cover; 2, connecting cover; 3, sealing plate; 4, embedded groove; 5, limiting groove; 6, limiting block; 7, half circle ball; 8, reset spring; 9, fixing part; 10, transmission screw rod; 11, screw rod sleeve; 12, clamping plate; 13, sliding groove; 14, sliding block; 15, knob; 16, arc slot; 17, fixing lug plate; 18, threaded groove; 19, transparent observation window; 20, keel through opening. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment 1

[0023] Reference Figures 1-2The embodiment provides a noise reduction protective cover of a light steel keel cold bending machine, which comprises an end cover 1, a connecting cover 2 and a sealing plate 3, transparent observation windows 19 are hinged to the upper surfaces of the end cover 1 and the connecting cover 2, fixed lug plates 17 are fixedly connected to one side wall of the end cover 1 and the two side walls of the connecting cover 2, threaded grooves 18 are formed in the surfaces of the fixed lug plates 17, the end cover 1 and the connecting cover 2 are detachably connected through the fixed lug plates 17 and external bolts, a keel through opening 20 is formed in the surface of the sealing plate 3, an embedding groove 4 is formed in the side wall of the sealing plate 3, reset springs 8 are fixedly connected to the inner side walls of the embedding groove 4, semicircular clamping balls 7 are fixedly connected to one end of the reset springs 8, limit grooves 5 are formed in the inner side walls of the embedding groove 4, limit blocks 6 are slidably connected to the inner side walls of the limit grooves 5, the side walls of the limit blocks 6 are fixedly connected to the side walls of the semicircular clamping balls 7, arc grooves 16 are formed in the inner side walls of the end cover 1, and the arc grooves 16 are matched with the semicircular clamping balls 7; when the sealing plate 3 is connected, the semicircular clamping balls 7 are extruded and moved, the semicircular clamping balls 7 move and compress the reset springs 8, so that the reset springs 8 are in a compressed state, when the sealing plate 3 is completely immersed in the end cover 1, the arc grooves 16 are matched with the semicircular clamping balls 7, the reset springs 8 lose pressure and return to the initial state, one end of the reset springs 8 moves and drives the semicircular clamping balls 7 to move, the semicircular clamping balls 7 move and are immersed in the arc grooves 16, that is, the connection between the sealing plate 3 and the end cover 1 is completed, the sealing plate 3 can be quickly installed and dismounted, the operation is simple and convenient, the end cover 1 is closed through the sealing plate 3, sound insulation and protection effects are guaranteed, the surfaces of the end cover 1, the connecting cover 2 and the sealing plate 3 are coated with sound insulation coating, noise generated during the operation of the cold bending machine is obviously reduced, and the hearing of an operator and the quietness of a working environment are effectively protected. Embodiment 2

[0024] Reference Figures 1-4 The embodiment is based on the previous embodiment, and is different from the previous embodiment in that a fixing part 9 is fixedly connected to the side wall of the end cover 1, a transmission screw rod 10 is rotatably connected to the inner side wall of the fixing part 9, a screw rod sleeve 11 is fixedly connected to the surface of the transmission screw rod 10 in a threaded mode, a clamping plate 12 is fixedly connected to the surface of the screw rod sleeve 11, a rubber pad is fixedly connected to the lower surface of the clamping plate 12, a sliding groove 13 is formed in the inner side wall of the fixing part 9, a sliding block 14 is slidably connected to the inner side wall of the sliding groove 13, one end of the sliding block 14 is fixedly connected to one end of the clamping plate 12, a knob 15 is rotatably connected to the upper surface of the fixing part 9, the shaft end of the knob 15 is fixedly connected to one end of the transmission screw rod 10, the surfaces of the end cover 1, the connecting cover 2 and the sealing plate 3 are coated with sound insulation coating, and the end cover 1, the connecting cover 2 and the sealing plate 3 are all made of aluminum alloy composite plate material; the transmission screw rod 10 can be rotated by rotating the knob 15, the screw rod sleeve 11 moves by the rotation of the transmission screw rod 10, the screw rod sleeve 11 can only move in the direction of the sliding groove 13 under the sliding of the sliding block 14, the screw rod sleeve 11 moves and drives the clamping plate 12 to move, the clamping plate 12 is clamped and fixed by the movement, so that the end cover 1 is fixedly positioned on the rack of the cold bending machine, and the fixing operation of the end cover 1 is simple and convenient and is convenient to use.

[0025] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should, therefore, be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims concerned.

[0026] Furthermore, it should be understood that although the present specification describes exemplary embodiments, the application is not limited to only one independent technical solution in each embodiment, and the specification is described in this way only for the sake of clarity. A person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A noise reduction guard for a light gauge steel cold former, characterised in that, Including end cover (1), connecting cover (2) and closing plate (3), the upper surface of end cover (1) and connecting cover (2) is hinged with transparent observation window (19), one side wall of end cover (1) is fixedly connected with fixed lug plate (17), both side walls of connecting cover (2) are fixedly connected with fixed lug plate (17), the surface of fixed lug plate (17) is provided with threaded groove (18), end cover (1) and connecting cover (2) are detachably connected through fixed lug plate (17) and external bolt, the surface of closing plate (3) is provided with keel through (20), the side wall of closing plate (3) is provided with embedding groove (4), the inner side wall of embedding groove (4) is fixedly connected with return spring (8), one end of return spring (8) is fixedly connected with semicircle ball (7).

2. A noise reduction shield for a light gauge steel cold former as claimed in claim 1, wherein, The inner side wall of embedding groove (4) is provided with limiting groove (5), the inner side wall of limiting groove (5) is slidably connected with limiting block (6), the side wall of limiting block (6) is fixedly connected with the side wall of semicircle ball (7).

3. The noise-reducing guard for a light-gauge cold former according to claim 1, wherein, The inner side wall of end cover (1) is provided with arc groove (16), and the arc groove (16) is matched with the semicircle ball (7).

4. The noise-reducing guard for a light-gauge cold former according to claim 1, wherein, The side wall of end cover (1) is fixedly connected with fixing part (9), the inner side wall of fixing part (9) is rotatably connected with transmission screw rod (10), the surface of transmission screw rod (10) is fixedly connected with screw rod sleeve (11).

5. A noise reducing guard for a light gauge steel cold former as claimed in claim 4, wherein, The surface of screw rod sleeve (11) is fixedly connected with clamping plate (12), and the lower surface of clamping plate (12) is fixedly connected with rubber pad.

6. A noise reducing guard for a light gauge steel cold former as claimed in claim 4, wherein, The inner side wall of fixing part (9) is provided with sliding groove (13), the inner side wall of sliding groove (13) is slidably connected with sliding block (14), and one end of sliding block (14) is fixedly connected with one end of clamping plate (12).

7. The noise-reducing guard for a light-gauge steel cold former according to claim 4, wherein, The upper surface of fixing part (9) is rotatably connected with knob (15), and the shaft end of knob (15) is fixedly connected with one end of transmission screw rod (10).

8. The noise-reducing guard for a light-gauge cold former according to claim 1, wherein, The surface of end cover (1), connecting cover (2) and closing plate (3) is coated with sound insulation coating, and end cover (1), connecting cover (2) and closing plate (3) are made of aluminum alloy composite plate material.

Images