Belt weigher with adjustable carrier roller

Abstract

The utility model discloses a belt scale with an adjustable carrier roller, which comprises a frame body, the upper end of the frame body is provided with a rack, and a weighing sensor is arranged between the frame body and the rack; a left telescopic arm and a right telescopic arm are inserted into the two ends of the rack respectively, a driving roller and a driven roller are rotationally installed at the end of the left telescopic arm and the end of the right telescopic arm respectively, and a weighing belt is wound around the driving roller and the driven roller. A swing arm is hinged to the lower end of the rack, transmission rollers are rotationally installed at the two ends of the swing arm respectively, and the weighing belt is driven after bypassing the two transmission rollers. The inner end of the left telescopic arm and the inner end of the right telescopic arm extend to be provided with extension arms respectively, racks are fixedly arranged on the opposite sides of the two extension arms respectively, a gear is rotationally installed in the middle of the interior of the machine frame, and the gear and the racks are in meshing transmission. The distance between the driving roller and the driven roller can be adjusted synchronously, so that the size of the belt weigher is adjusted to adapt to different working conditions, and meanwhile, the inclination angle of the belt weigher can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of belt scale of carrier roller adjustable, belong to belt scale technical field. BACKGROUND

[0002] Belt type dynamic weighing scale is a kind of equipment for measuring the mass or weight of object, compared with static weighing device, belt type dynamic weighing scale is in the process of transportation continuously measure the weight of object, its basic principle is to determine the weight of object by sensor detecting the gravity or pressure change of object on belt.

[0003] The distance of the two carrier rollers of the belt scale in the prior art is not adjustable, and the transportation length of the belt scale is fixedly set (generally only fine adjustment) during use, so that it cannot adapt to different material production lines. The belt scale is connected in series in the material conveying line, and when the material conveying line bodies at both ends of the belt scale have height difference, other devices need to be configured for transition, which is troublesome.

[0004] As can be seen from the above, the prior art obviously has inconvenience and defects in actual use, and therefore needs to be improved. INVENTION CONTENTS

[0005] The utility model provides a kind of belt scale of carrier roller adjustable according to the deficiency in the background art, the distance between driving roller and passive roller can be adjusted synchronously, so that the size of belt scale is adjusted, to adapt to different working conditions, simultaneously, the inclination angle of belt scale can be adjusted.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A kind of belt scale of carrier roller adjustable, including frame body, the upper end of the frame body is equipped with rack, and weighing sensor is arranged between the frame body and the rack;

[0008] The left telescopic arm and the right telescopic arm are respectively inserted at the both ends of the rack, and the driving roller and the passive roller are respectively rotatably installed at the end of the left telescopic arm and the right telescopic arm, and the weighing belt is wound on the driving roller and the passive roller;

[0009] The lower end of the rack is hingedly connected with the swing arm, and the driving roller is rotatably installed at the both ends of the swing arm, and the weighing belt is transmitted after passing through the two driving rollers;

[0010] The inner end of the left telescopic arm and the right telescopic arm is respectively extended with the extension arm, and the opposite sides of the two extension arms are respectively fixed with the rack, and the gear is rotatably installed at the middle position in the rack, and the gear is meshed with the rack.

[0011] Further, locking screw is arranged at both ends of the rack.

[0012] Further, the lower end of the rack is provided with a sliding groove, and an adjusting connecting rod is installed on the sliding groove, one end of the adjusting connecting rod is hinged to one end of the swing arm, and the other end of the adjusting connecting rod is fixedly installed in the sliding groove through bolt connection.

[0013] Further, the rack is installed on a weighing support, and a weighing sensor is installed at the lower end of the supporting leg of the weighing support and fixed to the rack body.

[0014] Further, the upper end of the rack body is provided with a linear bearing, and the supporting leg of the weighing support is slidingly installed on the linear bearing.

[0015] Further, one end of the rack is hinged to the weighing support, and the other end of the rack is provided with a height adjusting device.

[0016] Further, the height adjusting device comprises a first connecting rod and a second connecting rod, the upper end of the first connecting rod is hinged to the lower end of the rack, the lower end of the first connecting rod is hinged to a sliding seat, the sliding seat is in threaded transmission with a screw rod through screw fitting, and the screw rod is rotatably installed on the weighing support.

[0017] The upper end of the second connecting rod is hinged to the middle position of the first connecting rod, and the lower end of the second connecting rod is hinged to the weighing support.

[0018] Further, one end of the rack is vertically fixed with a supporting column, and the lower end of the supporting column is hinged to the weighing support.

[0019] The above technical scheme is adopted in the utility model, compared with the prior art, and the following advantages are obtained.

[0020] The left telescopic arm and the right telescopic arm are in meshing transmission with the gear, so that the left telescopic arm and the right telescopic arm can be synchronously telescoped at the end of the rack, thereby the distance between the driving roller and the driven roller can be adjusted, and thereby the size of the belt scale can be adjusted.

[0021] One end of the rack is hinged to the weighing support, the other end of the rack is provided with a height adjusting device, and the inclination angle of the belt scale can be adjusted by adjusting the height of the height adjusting device.

[0022] The utility model will be explained in detail in combination with the drawings and examples. DRAWINGS

[0023] Figure 1 It is the structural schematic diagram of the utility model;

[0024] Figure 2 It is the transmission schematic diagram of the rack and the left telescopic arm and the right telescopic arm.

[0025] In the drawings,

[0026] 1-frame, 2-weighing support, 3-linear bearing, 4-rack, 5-left telescopic arm, 6-right telescopic arm, 7-driving roller, 8-passive roller, 9-support column, 10-first connecting rod, 11-second connecting rod, 12-sliding seat, 13-screw, 14-swinging arm, 15-driving roller, 16-adjusting connecting rod, 17-sliding groove, 18-extension arm, 19-gear, 20-locking screw, 21-weighing sensor. DETAILED DESCRIPTION

[0027] In order to have a clearer understanding of the technical features, objects and effects of the present application, the specific embodiments of the present application will be described with reference to the drawings.

[0028] As shown in Figures 1-2 , the present application provides a belt scale with adjustable idler roller, which comprises a frame 1, the upper end of the frame 1 is provided with a rack 4, and a weighing sensor 21 is arranged between the frame 1 and the rack 4.

[0029] The left telescopic arm 5 and the right telescopic arm 6 are respectively inserted into the two ends of the rack 4, and the ends of the left telescopic arm 5 and the right telescopic arm 6 are respectively rotatably installed with a driving roller 7 and a passive roller 8, and a weighing belt is wound on the driving roller 7 and the passive roller 8; the lower end of the rack 4 is hingedly connected with a swinging arm 14, the two ends of the swinging arm 14 are rotatably installed with driving rollers 15, and the weighing belt is driven after passing through the two driving rollers 15.

[0030] As shown in Figure 2 , the inner ends of the left telescopic arm 5 and the right telescopic arm 6 are respectively extended with extension arms 18, the opposite sides of the two extension arms 18 are respectively fixed with racks, a gear 19 is rotatably installed at the middle position inside the rack 4, and the gear 19 is in meshing transmission with the racks. The left telescopic arm 5 and the right telescopic arm 6 are in meshing transmission with the gear 19, so that the left telescopic arm 5 and the right telescopic arm 6 can be synchronously telescoped at the ends of the rack 4, thereby the distance between the driving roller 7 and the passive roller 8 can be adjusted, and the size of the belt scale can be adjusted.

[0031] Locking screws 20 are arranged at the two ends of the rack 4, and after the left telescopic arm 5 and the right telescopic arm 6 are adjusted to the proper position, they are fixed on the rack 4.

[0032] The lower end of the rack 4 is provided with a sliding groove 17, an adjusting connecting rod 16 is installed on the sliding groove 17, one end of the adjusting connecting rod 16 is hingedly connected to one end of the swinging arm 14, and the other end of the adjusting connecting rod 16 is fixedly installed in the sliding groove 17 through bolt connection. The position of the other end of the adjusting connecting rod 16 in the sliding groove 17 is adjustable. By changing the position of the adjusting connecting rod 16 in the sliding groove 17, the rotating angle of the swinging arm 14 can be adjusted, thereby the function of telescoping the weighing belt is achieved. When the left telescopic arm 5 and the right telescopic arm 6 are telescoped, the angle of the swinging arm 14 is adjusted, so that the weighing belt is always in a tensioned state.

[0033] The rack 4 is installed on the weighing support 2, the lower end of the supporting leg of the weighing support 2 is provided with a weighing sensor 21, and the weighing sensor 21 is fixed on the rack body 1.

[0034] The upper end of the rack body 1 is provided with a linear bearing 3, and the supporting leg of the weighing support 2 is slidingly installed on the linear bearing 3.

[0035] One end of the rack 4 is hinged on the weighing support 2, and the other end of the rack 4 is provided with a height adjusting device, and the inclination angle of the belt scale can be adjusted by adjusting the height of the height adjusting device.

[0036] The height adjusting device comprises a first connecting rod 10 and a second connecting rod 11, the upper end of the first connecting rod 10 is hinged on the lower end of the rack 4, the lower end of the first connecting rod 10 is hinged on a sliding seat 12, the sliding seat 12 is in threaded transmission with a screw rod 13 through screwing, and the screw rod 13 is rotatably installed on the weighing support 2.

[0037] The upper end of the second connecting rod 11 is hinged on the middle position of the first connecting rod 10, and the lower end of the second connecting rod 11 is hinged on the weighing support 2. By rotating the screw rod 13, the sliding seat 12 is driven to slide, so that the other end of the rack 4 is lifted.

[0038] One end of the rack 4 is vertically fixed with a supporting column 9, and the lower end of the supporting column 9 is hinged on the weighing support 2.

[0039] The above is an example of the best embodiment of the present application, wherein the parts not described in detail are the common knowledge of those skilled in the art. The protection scope of the present application is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present application is also within the protection scope of the present application.

Claims

1. A belt scale with adjustable idler rollers, characterized in that: Including frame body (1), the upper end of frame body (1) is installed with rack (4), and weighing sensor (21) is arranged between frame body (1) and rack (4); The both ends of rack (4) are respectively inserted with left telescopic arm (5) and right telescopic arm (6), and the end of left telescopic arm (5) and right telescopic arm (6) is rotatably installed with driving roller (7) and passive roller (8), and weighing belt is wound on driving roller (7) and passive roller (8); The lower end of rack (4) is hingedly connected with swing arm (14), and the both ends of swing arm (14) are rotatably installed with transmission roller (15), and weighing belt is transmitted after passing through two transmission rollers (15); The inner end of left telescopic arm (5) and right telescopic arm (6) is respectively extended with extension arm (18), and the opposite sides of two extension arms (18) are respectively fixed with rack, and gear (19) is rotatably installed at the middle position of the inside of rack (4), and gear (19) is in meshing transmission with rack.

2. A load cell belt scale with adjustable idler rollers as claimed in claim 1 wherein: Locking screw (20) is arranged at the both ends of rack (4).

3. An idler adjustable belt scale as claimed in claim 1 wherein: The lower end of rack (4) is provided with sliding groove (17), and adjusting connecting rod (16) is installed on sliding groove (17), one end of adjusting connecting rod (16) is hingedly connected with one end of swing arm (14), and the other end of adjusting connecting rod (16) is fixedly installed in sliding groove (17) through bolt connection.

4. An idler adjustable belt scale as claimed in claim 1 wherein: The rack (4) is installed on the weighing support (2), and the weighing sensor (21) is installed on the supporting leg of the weighing support (2), and the weighing sensor (21) is fixed on the frame body (1).

5. An idler adjustable belt scale as claimed in claim 4 wherein: The upper end of the frame body (1) is provided with a linear bearing (3), and the supporting leg of the weighing support (2) is slidingly installed on the linear bearing (3).

6. An idler adjustable belt scale as claimed in claim 4 wherein: One end of the rack (4) is hingedly connected to the weighing support (2), and the other end of the rack (4) is provided with a height adjusting device.

7. An idler adjustable belt scale as claimed in claim 6 wherein: The height adjusting device comprises a first connecting rod (10) and a second connecting rod (11), the upper end of the first connecting rod (10) is hingedly connected to the lower end of the rack (4), the lower end of the first connecting rod (10) is hingedly connected to a sliding seat (12), the sliding seat (12) is in threaded transmission with a screw rod (13) through screw thread cooperation, and the screw rod (13) is rotatably installed on the weighing support (2); The upper end of the second connecting rod (11) is hingedly connected to the middle position of the first connecting rod (10), and the lower end of the second connecting rod (11) is hingedly connected to the weighing support (2).

8. A load cell belt scale with adjustable idler rollers as claimed in claim 7 wherein: One end of the rack (4) is vertically fixed with a supporting column (9), and the lower end of the supporting column (9) is hingedly connected to the weighing support (2). One end of the rack (4) is vertically fixed with a supporting column (9), and the lower end of the supporting column (9) is hingedly connected to the weighing support (2).

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