Aggregate weighing and discharging structure

Abstract

The utility model relates to an aggregate weighing and discharging structure which comprises a body, a gate plate and a driving cylinder, a discharging port is formed in the lower end of the body, supporting plates are arranged at the two ends of the body respectively, a rotating shaft is arranged between the two supporting plates, and the rotating shaft penetrates through the body and is located over the discharging port; the whole gate plate is in an arc shape, the two ends of the gate plate are connected with the rotating shaft through connecting plates respectively, a limiting baffle capable of being matched with the discharging opening is arranged on one side of the gate plate, and sealing plates capable of being matched with the discharging opening are arranged at the two ends of the gate plate respectively. The rotating shaft is driven by double cylinders, so that the action is powerful, and the rotating action can be better completed; due to the edge plate bent downwards, stone can be prevented from being clamped between the gate plate and the discharging opening when the gate plate is opened and closed; and the second baffle is short, so that the stone can be prevented from being clamped between the limiting baffle and the second baffle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to asphalt concrete mixing equipment technical field relates to an aggregate weighing unloading structure. BACKGROUND

[0002] Asphalt concrete is mainly used for the surface layer of various traffic roads, tunnels, airports and other ground paving, to ensure the ground flat, pressure resistance, waterproof and anti-skid. In the production process of asphalt concrete, oil and stone need to be mixed and stirred according to a certain proportion, so the stone needs to be measured. Aggregate weighing is a commonly used device for weighing stone. After the aggregate weighing is completed, the discharge door is opened, and the stone can be discharged from the aggregate weighing. However, the discharge door may be stuck by the stone during use, which is inconvenient. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides an aggregate weighing unloading structure.

[0004] The utility model solves the above-mentioned technical problems by adopting the following technical scheme:

[0005] An aggregate weighing unloading structure comprises:

[0006] A body, a discharge port is formed in the lower end of the body, two support plates are arranged at the two ends of the body, a rotating shaft is arranged between the two support plates, the rotating shaft penetrates through the body and is located directly above the discharge port;

[0007] A gate plate, the gate plate is arc-shaped as a whole, the two ends of the gate plate are connected with the rotating shaft by connecting plates, a limiting baffle capable of cooperating with the discharge port is arranged on one side of the gate plate, and a downwardly curved baffle plate is arranged on the other side of the gate plate; limiting baffle capable of cooperating with the discharge port is arranged on the other side of the gate plate;

[0008] A drive cylinder, the drive cylinder is installed on the outer side of the support plate by a mounting bracket, and the piston rod of the drive cylinder is connected with the rotating shaft by a hinge plate.

[0009] Preferably, a first baffle capable of cooperating with the gate plate is arranged on one side of the discharge port, and a second baffle capable of cooperating with the limiting baffle is arranged on the other side of the discharge port, and the length of the second baffle is 0.4-0.6 times the length of the first baffle.

[0010] Preferably, mounting holes capable of cooperating with the rotating shaft are formed at the two ends of the body, and sealing sleeves capable of cooperating with the rotating shaft are arranged in the mounting holes.

[0011] Preferably, the two ends of the rotating shaft are connected with the support plates by bearing seats.

[0012] Preferably, key grooves are formed at two ends of the rotating shaft respectively, and a connecting sleeve capable of cooperating with the rotating shaft is arranged on the hinge plate, and the rotating shaft and the connecting sleeve are fixed in the radial direction by means of key connection.

[0013] Preferably, mounting sleeves capable of cooperating with the rotating shaft are arranged on the connecting plates respectively, positioning holes are formed in the mounting sleeves, pin holes corresponding to the positioning holes are formed in the rotating shaft, and fixing members are arranged in the positioning holes and the pin holes.

[0014] Preferably, a hinge seat capable of cooperating with the hinge plate is arranged on a piston rod of the driving cylinder, and the hinge plate and the hinge seat are connected by means of a hinge rod.

[0015] Preferably, the driving cylinder is hinged to the mounting support by means of a fixing collar.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] The utility model discloses a rotating shaft adopts double cylinder drive, and the action is powerful, can better complete the rotating action, and the downward curved baffle makes the shutter when opening, closing, can avoid the stone and be stuck between the shutter and the discharge port, and the length of the second baffle is shorter, can avoid the stone and be stuck between the limiting baffle and the second baffle, and the whole structure of the utility model is simple, and the action is sensitive and powerful, and the parts adopt the key connection or the thread connection of quickness, is convenient for installation, replacement. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model.

[0019] Figure 2 It is the whole structure schematic diagram of the utility model.

[0020] Figure 3 It is the whole structure schematic diagram of the utility model. Figure 1 It is the enlarged view of A in the utility model.

[0021] In the drawing: 1, main body, 2, discharge port, 3, support plate, 4, rotating shaft, 5, shutter, 6, connecting plate, 7, limiting baffle, 8, sealing plate, 9, driving cylinder, 10, mounting support, 11, hinge plate, 12, first baffle, 13, mounting hole, 14, sealing sleeve, 15, bearing with seat, 16, key groove, 17, connecting sleeve, 18, mounting sleeve, 19, positioning hole, 20, pin hole, 21, fixing member, 22, hinge seat, 23, hinge rod, 24, fixing collar, 25, baffle, 26, second baffle. DETAILED DESCRIPTION

[0022] In order to make the person skilled in the art better understand the utility model scheme, the technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings.

[0023] The embodiment provides an aggregate weighing and discharging structure, which comprises a body 1, a gate plate 5 and a driving cylinder 9, the body 1 is used for weighing aggregate, the gate plate 5 is used for closing the body 1, and the driving cylinder 9 drives the gate plate 5 to act, so that the body 1 is opened and used for discharging;

[0024] As shown in Figures 1-3 The lower end of the body 1 is provided with a discharging port 2, and the stone can be discharged from the discharging port 2.

[0025] The two ends of the body 1 are respectively provided with support plates 3, and a rotating shaft 4 is arranged between the two support plates 3, the rotating shaft 4 penetrates through the body 1 and is located directly above the discharging port 2.

[0026] The gate plate 5 is in an overall arc shape, the two ends of the gate plate 5 are respectively connected with the rotating shaft 4 through connecting plates 6, one side of the gate plate 5 is provided with a limiting baffle 7 which can cooperate with the discharging port 2, when the limiting baffle 7 cooperates with the discharging port 2, the gate plate 5 blocks the discharging port 2, and the body 1 is closed.

[0027] The other side of the gate plate 5 is provided with a downwardly bent side plate 25, the side plate 25 can prevent the stone from being stuck between the gate plate 5 and the discharging port 2 when the gate plate 5 is opened or closed, and the two ends of the gate plate 5 are respectively provided with sealing plates 8 which can cooperate with the discharging port 2, the sealing plates 8 prevent the stone from running out from the two ends of the gate plate 5.

[0028] The driving cylinder 9 is installed on the outer side of the support plate 3 through mounting supports 10, the piston rods of the driving cylinder 9 are connected with the rotating shaft 4 through hinge plates 11, when the piston rods of the driving cylinder 9 are extended, the rotating shaft 4 can be driven to rotate through the hinge plates 11, when the rotating shaft 4 rotates, the gate plate 5 can be driven to rotate through the connecting plates 6, the discharging port 2 is opened, and when the piston rods of the driving cylinder 9 are retracted, the discharging port 2 is closed.

[0029] Further, one side of the discharging port 2 is provided with a first baffle 12 which can cooperate with the gate plate 5, the other side is provided with a second baffle 26 which can cooperate with the limiting baffle 7, and the length of the second baffle 26 is 0.4-0.6 times that of the first baffle 12; the first baffle 12 can better close the discharging port 2 by the gate plate 5; the length of the second baffle 26 is relatively short, and the stone can be prevented from being stuck between the limiting baffle 7 and the second baffle 26.

[0030] Further, the two ends of the body 1 are respectively provided with mounting holes 13 which can cooperate with the rotating shaft 4, and sealing sleeves 14 which can cooperate with the rotating shaft 4 are arranged in the mounting holes 13, the sealing sleeves 14 can prevent small particles from being stuck in the rotating shaft 4.

[0031] Further, the two ends of the rotating shaft 4 are connected with the support plates 3 through bearing seats 15. Further, the two ends of the rotating shaft 4 are connected with the support plates 3 through bearing seats 15.

[0032] Further, key grooves 16 are formed at both ends of the rotating shaft 4, and a connecting sleeve 17 capable of cooperating with the rotating shaft 4 is arranged on the hinge plate 11, and the rotating shaft 4 and the connecting sleeve 17 are fixed in the radial direction by means of key connection.

[0033] Further, mounting sleeves 18 capable of cooperating with the rotating shaft 4 are arranged on the connecting plates 6, positioning holes 19 are formed on the mounting sleeves 18, pin holes 20 corresponding to the positioning holes 19 are formed on the rotating shaft 4, and fixing members 21 are arranged in the positioning holes 19 and the pin holes 20, wherein the fixing members 12 are bolts, and the bolts are convenient for dismounting.

[0034] Further, hinge seats 22 capable of cooperating with the hinge plates 11 are arranged on the piston rods of the driving cylinders 9, and the hinge plates 11 and the hinge seats 22 are connected by means of hinge rods 23.

[0035] Further, the driving cylinders 9 are hingedly connected to the mounting brackets 10 by means of fixing collars 24, and the driving cylinders 9 adopt a hinged form, so that movement interference is avoided when the piston rods act.

[0036] Working principle: when the piston rods of the driving cylinders 9 act, the hinge plates 11 drive the rotating shafts 4 to rotate, the rotating shafts 4 drive the gate plates 5 to rotate by means of the connecting plates 6, and the discharge port 2 can be opened or closed; the arc-shaped gate plates 5 can better close the discharge port 2 when the gate plates 5 move; the downwardly-bent side plates 25 can avoid the stone from being clamped between the gate plates 5 and the discharge port 2 when the gate plates 5 open or close; the second baffle plates 26 are short in length, and the stone can be avoided from being clamped between the limiting baffle plates 7 and the second baffle plates 26.

[0037] It can be understood that the above embodiments are only exemplary embodiments for illustrating the principle of the utility model, and the utility model is not limited to this. For ordinary skilled persons in the art, various modifications and improvements can be made without departing from the spirit and essence of the utility model, and these modifications and improvements are also regarded as the protection scope of the utility model.

Claims

1. An aggregate weighing and discharging structure, characterized in that it comprises: a body (1), a lower end of the body (1) being provided with a discharge port (2), both ends of the body (1) being respectively provided with a support plate (3), a rotating shaft (4) being arranged between the two support plates (3), the rotating shaft (4) penetrating through the body (1) and being located directly above the discharge port (2); a shutter plate (5), the shutter plate (5) being arc-shaped as a whole, both ends of the shutter plate (5) being respectively connected with the rotating shaft (4) by means of a connecting plate (6), one side of the shutter plate (5) being provided with a limiting baffle (7) capable of cooperating with the discharge port (2), the other side of the shutter plate (5) being provided with a downwardly curved side plate (25), both ends of the shutter plate (5) being respectively provided with an enclosing plate (8) capable of cooperating with the discharge port (2); a driving air cylinder (9), the driving air cylinder (9) being respectively installed on the outer side of the support plate (3) by means of a mounting bracket (10), the piston rod of the driving air cylinder (9) being respectively connected with the rotating shaft (4) by means of a hinge plate (11).

2. The aggregate weighing and unloading structure according to claim 1, characterized in that, One side of the discharge port (2) is provided with a first baffle (12) capable of cooperating with the shutter plate (5), the other side is provided with a second baffle (26) capable of cooperating with the limiting baffle (7), the length of the second baffle (26) is 0.4-0.6 times of the first baffle (12).

3. The aggregate weighing and discharge structure according to claim 1, characterized in that, Both ends of the body (1) are respectively provided with a mounting hole (13) capable of cooperating with the rotating shaft (4), the mounting hole (13) is provided with a sealing sleeve (14) capable of cooperating with the rotating shaft (4).

4. The aggregate weighing and discharge structure according to claim 1, characterized in that, Both ends of the rotating shaft (4) are respectively connected with the support plate (3) by means of a bearing with seat (15).

5. An aggregate weighing and discharge structure according to claim 4, characterised in that, Both ends of the rotating shaft (4) are respectively provided with a key groove (16), the hinge plate (11) is provided with a connecting sleeve (17) capable of cooperating with the rotating shaft (4), the rotating shaft (4) and the connecting sleeve (17) are radially fixed by means of key connection.

6. The aggregate weighing and discharge structure according to claim 1, wherein The connecting plate (6) is respectively provided with a mounting sleeve (18) capable of cooperating with the rotating shaft (4), the mounting sleeve (18) is provided with a positioning hole (19), the rotating shaft (4) is provided with a pin hole (20) corresponding to the positioning hole (19), the positioning hole (19) and the pin hole (20) are provided with a fixing piece (21).

7. The aggregate weighing and discharge structure according to claim 1, characterized in that, The piston rod of the driving air cylinder (9) is provided with a hinge seat (22) capable of cooperating with the hinge plate (11), the hinge plate (11) and the hinge seat (22) are connected by means of a hinge rod (23).

8. A material loading and unloading structure according to claim 7, wherein The driving air cylinder (9) is hinged to the mounting bracket (10) by means of a fixing sleeve ring (24).

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