Automatic weighing, batching and conveying mechanism

Abstract

The utility model relates to the technical field of train brake assembly assembling, in particular to an automatic weighing, batching and conveying mechanism which comprises a weighing, batching and conveying rack, a material storage box is arranged at the upper end of the weighing, batching and conveying rack, and the interior of the material storage box is divided into a front material storage box and a rear material storage box. A material weighing mechanism is arranged at the lower end of the material storage box, a material conveying mechanism is arranged at the lower end of the material weighing mechanism, a material receiving box is arranged at the lower end of the weighing and batching conveying rack, and a climbing feeding mechanism is arranged on the rear side of the weighing and batching conveying rack; the material weighing mechanism comprises a U-shaped stock bin, a spiral stirring unit is arranged in the U-shaped stock bin, a ratchet wheel feeding unit is arranged at the lower end of the U-shaped stock bin, and a material weighing unit is arranged at the lower end of the ratchet wheel feeding unit; according to the automatic feeding and distributing device, automatic feeding, distributing, weighing and conveying of materials are achieved, the automation degree and the production efficiency of equipment are improved, the technological process is simplified, and the stability of the brake pad pressing quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of train brake component assembly, in particular to an automatic weighing batching conveying mechanism. Background Art

[0002] Train brake pads are an important part of the train braking system and a key component for controlling the speed of the train. Train brake pads are mainly composed of friction materials, bonding insulation layers and brake pad steel backing. The friction material is also called the fabric, which is the technical core of the train brake pad and directly determines the various properties of the brake pad; the bonding insulation layer is also called the base material, which is generally located at the bottom of the friction material and is about 3mm thick. It has the effect of reducing costs, improving bonding strength and corrosion resistance, and improving braking noise.

[0003] Therefore, in the production process of train brake pads, the powder of friction material and the powder of bonding insulation layer need to be weighed and pressed. In response to this, some automatic weighing and feeding equipment have been developed on the market, but since most of them can only achieve the weighing and feeding of a single material, the production efficiency is low, the process flow is cumbersome, and the automation degree and material supply accuracy are low, which affects the stability of the product and the quality of the product cannot be guaranteed. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the above-mentioned background technology and to provide an automatic weighing, batching and conveying mechanism, which realizes automatic loading, dividing, weighing and conveying of materials, improves the automation degree and production efficiency of the equipment, simplifies the process flow and ensures the stability of the gate plate pressing quality.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an automatic weighing and batching conveying mechanism, comprising a weighing and batching conveying frame, a material storage box is arranged at the upper end of the weighing and batching conveying frame, the interior of the material storage box is divided into a front material storage box and a rear material storage box, a material weighing mechanism is arranged at the lower end of the material storage box, a material conveying mechanism is arranged at the lower end of the material weighing mechanism, a material receiving box is arranged at the lower end of the weighing and batching conveying frame, the material receiving box is used to collect materials whose weight is judged to be unqualified (too light or overweight) by the material weighing mechanism, and a climbing feeding mechanism is arranged on the rear side of the weighing and batching conveying frame.

[0006] The material weighing mechanism includes a U-shaped silo, the interior of the U-shaped silo is divided into a front silo and a rear silo, the front silo is located at the lower end of the front storage box, and the rear silo is located at the lower end of the rear storage box; a spiral stirring unit is arranged in the U-shaped silo, a ratchet feeding unit is arranged at the lower end of the U-shaped silo, and a material weighing unit is arranged at the lower end of the ratchet feeding unit.

[0007] The material conveying mechanism is used to convey the weighed material to the subsequent cold press forming station. The material conveying mechanism includes a material conveying guide rail, a material conveying trolley is slidably arranged on the material conveying guide rail, and a material receiving unit and a smoothing unit are arranged on the material conveying trolley.

[0008] Preferably, the climbing feeding mechanism includes a material hopper and a belt lifting unit, the material hopper is located on the rear side of the weighing and batching conveyor frame, one end of the belt lifting unit is located below the material hopper, and the other end of the belt lifting unit is located above the storage box to transport materials to the storage box.

[0009] Furthermore, the climbing feeding mechanism is composed of two groups, one group of which conveys materials to the front storage box, and the other group of which conveys materials to the rear storage box.

[0010] Furthermore, the spiral stirring unit includes two groups of spiral shafts, which are rotatably connected to the U-shaped silo and are respectively arranged in the front silo and the rear silo. One end of the two groups of spiral shafts are connected in parallel through a transmission gear train, and the other end of any one of the two groups of spiral shafts is connected in series with a stirring drive motor. Through the action of the stirring drive motor, the spiral shafts connected in series therewith are driven to rotate, and then the other group of spiral shafts are driven to rotate through the transmission gear train to achieve stirring and conveying of materials.

[0011] Furthermore, the ratchet feeding unit includes a ratchet support, the upper end of the ratchet support is connected to the discharge port of the U-shaped silo, the lower end of the ratchet support is provided with a ratchet dispensing outlet, the internal rotation of the ratchet support is connected to a ratchet, the outer side of the ratchet support is provided with a ratchet feeding motor, the output end of the ratchet feeding motor is connected to the ratchet, and the ratchet is driven to rotate by the action of the ratchet feeding motor, thereby realizing accurate dispensing of materials and avoiding too much material falling into the material weighing unit at one time, resulting in batching failure.

[0012] Furthermore, the ratchet feeding units are provided with eight groups, which correspond to the eight discharge ports connected to the U-shaped silo respectively, so as to realize accurate material distribution at each discharge port.

[0013] Furthermore, the material weighing unit is provided with eight groups, which include a material weighing bracket, a material box bin door pushing cylinder is provided on one side of the material weighing bracket, a weighing sensor is provided on the other side of the material weighing bracket, a material weighing box is provided at the measuring end of the weighing sensor, and a material weighing box is provided at the discharge port of the material weighing box, and a material box bin door with spring reset is provided at the output end of the material box bin door pushing cylinder is abutted against one end of the material box bin door, and the opening of the material box bin door is realized by the action of the material box bin door pushing cylinder.

[0014] Furthermore, the material receiving unit includes four groups of material receiving bins, one side of the material receiving bin is provided with a material receiving bin door pushing cylinder, the material outlet of the material receiving bin is provided with a material receiving bin door with a spring return, and the output end of the material receiving bin door pushing cylinder abuts against one end of the material receiving bin door, and its structural principle is consistent with that of the material box bin door. (Not shown in the figure, its structural principle is consistent with that of the material box bin door).

[0015] Furthermore, the smoothing unit includes a smoothing bracket, on which a smoothing upper and lower driving cylinder is provided, the conveying end of the smoothing upper and lower driving cylinder is connected to a rotating motor, and the conveying end of the rotating motor is provided with a smoothing fan, and the smoothing unit is used to smooth the material in the pressing cavity to improve the pressing molding quality of the gate piece.

[0016] The beneficial effects of the utility model are as follows: (1) by providing the material storage box, material weighing mechanism, material conveying mechanism, material receiving box and climbing feeding mechanism, the automatic loading, material distribution, weighing and conveying of materials are realized, the automation degree of the equipment is improved, and the stability of the gate plate pressing quality is ensured; (2) by providing the front material storage box and the rear material storage box, the front material bin and the rear material bin and two sets of spiral shafts, and providing the corresponding ratchet feeding unit and material weighing unit, two material batching channels are formed, the weighing and conveying of double materials are realized, and the production efficiency is improved. , simplifying the process flow; (3) by setting up a spiral stirring unit, the air inside the material in the U-shaped silo is eliminated, and the stirring action makes the material more uniform, providing a strong guarantee for the next step of accurate material distribution; (4) by setting up a ratchet feeding unit, it and the spiral stirring unit form a two-stage combination of feeding and distribution, and use the space between the two teeth of the ratchet to store and distribute materials, thereby achieving accurate material distribution and batching, avoiding too much material falling into the material weighing unit at one time, resulting in batching failure, and improving the efficiency and accuracy of batching. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the planar structure of the weighing and batching conveying frame in the utility model;

[0020] Figure 3 This is a structural diagram of the climbing feeding mechanism in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the material weighing unit in the utility model;

[0022] Figure 5It is a structural schematic diagram of the smoothing unit in the utility model;

[0023] Figure 6 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 7 This is a schematic diagram of the structure of the material storage box in the utility model;

[0025] Figure 8 This is a schematic diagram of the structure of the U-shaped silo in the utility model;

[0026] In the figure: 100, weighing and batching conveyor frame, 200, storage box, 210, front storage box, 220, rear storage box, 300, material weighing mechanism, 310, U-shaped silo, 311, front silo, 312, rear silo, 320, spiral stirring unit, 321, spiral shaft, 322, transmission gear train, 323, stirring drive motor, 330, ratchet feeding unit, 331, ratchet support, 332, ratchet material distribution outlet, 333, ratchet, 334, ratchet feeding motor, 340, material weighing unit, 341, material Weighing bracket, 342, material box bin door pushing cylinder, 343, weighing sensor, 344, material weighing box, 345, material box bin door, 400, material conveying mechanism, 410, material conveying guide rail, 420, material conveying trolley, 430, material receiving unit, 431, material receiving bin, 440, smoothing unit, 441, smoothing bracket, 442, smoothing up and down driving cylinder, 443, rotating motor, 444, smoothing fan, 500, material receiving box, 600, climbing feeding mechanism, 610, material bucket, 620, belt lifting unit. DETAILED DESCRIPTION

[0027] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0028] like Figures 1 to 8 As shown, an automatic weighing and batching conveying mechanism includes a weighing and batching conveying frame 100, a material storage box 200 is arranged at the upper end of the weighing and batching conveying frame 100, and the interior of the material storage box 200 is divided into a front material storage box 210 and a rear material storage box 220, a material weighing mechanism 300 is arranged at the lower end of the material storage box 200, and a material conveying mechanism 400 is arranged at the lower end of the material weighing mechanism 300, and a material receiving box 500 is arranged at the lower end of the weighing and batching conveying frame 100, and the material receiving box 500 is used to collect materials determined as unqualified (too light or overweight) by the material weighing mechanism 300, and a climbing feeding mechanism 600 is arranged on the rear side of the weighing and batching conveying frame 100.

[0029] The material weighing mechanism 300 includes a U-shaped silo 310, the interior of the U-shaped silo 310 is divided into a front silo 311 and a rear silo 312, the front silo 311 is located at the lower end of the front storage box 210, and the rear silo 312 is located at the lower end of the rear storage box 220; a spiral stirring unit 320 is arranged in the U-shaped silo 310, a ratchet feeding unit 330 is arranged at the lower end of the U-shaped silo 310, and a material weighing unit 340 is arranged at the lower end of the ratchet feeding unit 330.

[0030] The material conveying mechanism 400 is used to convey the weighed material to the subsequent cold press forming station. The material conveying mechanism 400 includes a material conveying rail 410, on which a material conveying trolley 420 is slidably arranged. The material conveying trolley 420 is provided with a material receiving unit 430 and a smoothing unit 440.

[0031] like Figure 3 As shown, the climbing feeding mechanism 600 includes a material hopper 610 and a belt lifting unit 620. The material hopper 610 is an inverted pyramid structure with a large upper opening, a small lower opening and a valve, and is located at the rear side of the weighing and batching conveying frame 100. The belt lifting unit 620 is a conveyor belt, one end of which is located below the material hopper 610 and the other end is located above the storage box 200, which conveys the material in the material hopper 610 to the storage box 200. The climbing feeding mechanism 600 is composed of two groups, one of which conveys material to the front storage box 210 and the other conveys material to the rear storage box 220, so as to realize the conveyance of double materials.

[0032] like Figure 1 and Figure 2 As shown, the spiral stirring unit 320 includes two groups of spiral shafts 321, which are rotatably connected to the U-shaped silo 310 and are respectively arranged in the front silo 311 and the rear silo 312. One end of the two groups of spiral shafts 321 are connected in parallel through a transmission gear train 322, and the other end of any one of the two groups of spiral shafts 321 is connected in series with a stirring drive motor 323. Through the action of the stirring drive motor 323, the spiral shafts 321 connected in series therewith are driven to rotate, and then the other group of spiral shafts 321 are driven to rotate through the transmission gear train 322 to achieve stirring and conveying of materials.

[0033] like Figure 1 , Figure 2 and Figure 6As shown, the ratchet feeding unit 330 includes a ratchet support 331, the upper end of the ratchet support 331 is connected to the discharge port of the U-shaped silo 310, and the lower end of the ratchet support 331 is provided with a ratchet material distribution outlet 332. The ratchet support 331 is internally rotatably connected to a ratchet 333, and the outer side of the ratchet support 331 is provided with a ratchet feeding motor 334. The output end of the ratchet feeding motor 334 is connected to the ratchet 333. Through the action of the ratchet feeding motor 334, the ratchet 333 is driven to rotate, thereby achieving accurate material distribution, avoiding too much material falling into the material weighing unit 340 at one time, resulting in failure of distribution and batching. The ratchet feeding unit 330 is provided with eight groups, which correspond to the eight discharge ports connected to the U-shaped silo 310, respectively, so as to achieve accurate material distribution at each material port.

[0034] like Figure 4 As shown, the material weighing unit 340 is provided with eight groups, which include a material weighing bracket 341, one side of the material weighing bracket 341 is provided with a material box bin door pushing cylinder 342, the other side of the material weighing bracket 341 is provided with a weighing sensor 343, the measuring end of the weighing sensor 343 is provided with a material weighing box 344, the discharge port of the material weighing box 344 is provided with a material box bin door 345 with a spring reset, and the output end of the material box bin door pushing cylinder 342 is against one end of the material box bin door 345, and the material box bin door 345 is opened by the action of the material box bin door pushing cylinder 342.

[0035] like Figure 4 and Figure 5 As shown, the material receiving unit 430 includes four groups of material receiving bins 431, each group of material receiving bins 431 is divided into a front material receiving bin and a rear material receiving bin, and a material receiving bin door pushing cylinder is arranged on one side of the material receiving bin 431 (not shown in the figure, and its installation structure is consistent with the material box bin door pushing cylinder 342), and a material receiving bin door with spring return is arranged at the discharge port of the material receiving bin 431 (not shown in the figure, and its structure is consistent with the material box bin door 345), and the output end of the material receiving bin door pushing cylinder is against one end of the material receiving bin door, and its operating principle is consistent with the material box bin door pushing cylinder 342 and the material box bin door 345.

[0036] like Figure 5 As shown, the smoothing unit 440 includes a smoothing bracket 441, on which a smoothing up and down driving cylinder 442 is provided, the conveying end of the smoothing up and down driving cylinder 442 is connected to a rotating motor 443, and the conveying end of the rotating motor 443 is provided with a smoothing fan 444. The smoothing unit 440 is used to smooth the material in the pressing cavity to improve the pressing molding quality of the gate piece.

[0037] like Figures 1 to 8As shown, before use, two different materials are placed in the two material hoppers 610 respectively (one material is used as the base material of the brake pad, forming the adhesive and heat-insulating layer of the brake pad; the other material is used as the surface material of the brake pad, forming the friction layer of the brake pad), and then the climbing feeding mechanism 600 transports the two materials to the front storage box 210 and the rear storage box 220 respectively, and the two materials gradually flow from the front storage box 210 and the rear storage box 220 into the front material bin 311 and the rear material bin 312 respectively. The spiral stirring unit 320 stirs the materials in the front bin 311 and the rear bin 312 evenly, eliminates the air inside the materials, and provides a strong guarantee for the next step of accurate material distribution; at the same time, during the operation of the spiral stirring unit 320, it gradually feeds the materials to the ratchet feeding unit 330, forming a primary feeding unit, and the ratchet feeding unit 330 serves as a secondary feeding unit, which uses the space between the two teeth of the ratchet 333 to store and distribute the materials, thereby realizing accurate material distribution and batching, orderly and quantitative The material gradually enters the material weighing unit 340, and the weighing sensor 343 monitors the weight of the material falling into the material weighing box 344 in real time. The control system (as a prior art, not shown) determines whether the weight is qualified based on the data fed back by the weighing sensor 343. If it is qualified, the material conveying trolley 420 drives the material receiving unit 430 to receive the material and convey it to the pressing station of the gate piece. If it is unqualified, it falls directly into the material receiving box 500. This process is repeated to complete the automatic weighing and conveying of the material.

[0038] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An automatic weighing and batching conveying mechanism, comprising a weighing and batching conveying frame, characterized in that: A material storage box is provided at the upper end of the weighing and batching conveying frame, the interior of the material storage box is divided into a front material storage box and a rear material storage box, a material weighing mechanism is provided at the lower end of the material storage box, a material conveying mechanism is provided at the lower end of the material weighing mechanism, a material receiving box is provided at the lower end of the weighing and batching conveying frame, and a climbing feeding mechanism is provided at the rear side of the weighing and batching conveying frame; The material weighing mechanism comprises a U-shaped silo, the interior of the U-shaped silo is divided into a front silo and a rear silo, the front silo is located at the lower end of the front storage box, and the rear silo is located at the lower end of the rear storage box; a spiral stirring unit is arranged in the U-shaped silo, a ratchet feeding unit is arranged at the lower end of the U-shaped silo, and a material weighing unit is arranged at the lower end of the ratchet feeding unit; The material conveying mechanism comprises a material conveying guide rail, a material conveying trolley is slidably arranged on the material conveying guide rail, and a material receiving unit and a smoothing unit are arranged on the material conveying trolley.

2. The automatic weighing batching conveying mechanism according to claim 1, characterized in that: The climbing feeding mechanism includes a material hopper and a belt lifting unit. The material hopper is located at the rear side of the weighing and batching conveying frame, one end of the belt lifting unit is located below the material hopper, and the other end of the belt lifting unit is located above the storage box to transport materials to the storage box.

3. The automatic weighing batching conveying mechanism according to claim 1 or 2, characterized in that: The described climbing feeding mechanism comprises two groups, one of which conveys materials to the described front material storage box, and the other conveys materials to the described rear material storage box.

4. The automatic weighing batching conveying mechanism according to claim 1, characterized in that: The spiral stirring unit includes two groups of spiral shafts, which are rotatably connected to the U-shaped silo and are respectively arranged in the front silo and the rear silo. One end of the two groups of spiral shafts are connected in parallel through a transmission gear system, and the other end of any one of the two groups of spiral shafts is connected in series with a stirring drive motor.

5. The automatic weighing batching conveying mechanism according to claim 1, characterized in that: The ratchet feeding unit includes a ratchet support, the upper end of the ratchet support is connected to the discharge port of the U-shaped silo, the lower end of the ratchet support is provided with a ratchet dispensing outlet, the inside of the ratchet support is rotatably connected to a ratchet, the outer side of the ratchet support is provided with a ratchet feeding motor, and the output end of the ratchet feeding motor is connected to the ratchet.

6. The automatic weighing batching conveying mechanism according to claim 1, characterized in that: The ratchet feeding units are provided with eight groups, which correspond to the eight discharge ports connected to the U-shaped silo respectively.

7. The automatic weighing batching conveying mechanism according to claim 1, characterized in that: The material weighing unit is provided with eight groups, which include a material weighing bracket, a material box bin door pushing cylinder is provided on one side of the material weighing bracket, a weighing sensor is provided on the other side of the material weighing bracket, a material weighing box is provided at the measuring end of the weighing sensor, a material weighing box is provided at the discharge port of the material weighing box, and a material box bin door with spring reset is provided, and the output end of the material box bin door pushing cylinder is against one end of the material box bin door.

8. The automatic weighing batching conveying mechanism according to claim 1, characterized in that: The material receiving unit comprises four groups of material receiving bins, one side of the material receiving bin is provided with a material receiving bin door pushing cylinder, and the material outlet of the material receiving bin is provided with a material receiving bin door with spring reset.

9. The automatic weighing batching conveying mechanism according to claim 1, characterized in that: The smoothing unit comprises a smoothing bracket, on which a smoothing up and down driving cylinder is arranged, a conveying end of the smoothing up and down driving cylinder is connected to a rotating motor, and a smoothing fan is arranged at the conveying end of the rotating motor.

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