CN106076169A - A kind of brake block premix material diminished shaft agitating device - Google Patents

Abstract

The invention discloses a conical shaft stirring device for brake pad premix, which comprises a feeding pipe, a weighing bin, a mixing bin, a discharging pipe and a stirring mechanism; the mixing bin is spherical, and the feeding pipe is connected above it. The discharge pipe is connected at the bottom, and the feed pipe is connected with a weighing bin. The lower end of the weighing bin is sealed or opened by the switch valve Ⅰ. The upper end of the switch valve Ⅰ is equipped with a weight sensor. Valve III is sealed or opened, the stirring mechanism is set in the mixing bin, and the outer wall of the mixing bin is connected with a vibrating motor, and the switching valve I, weight sensor, switching valve III, vibrating motor and driving motor are respectively connected with the controller. Compared with the prior art, the invention has the advantages of uniform stirring and accurate weighing.

Description

A kind of brake pad premix conical shaft stirring device

technical field

The invention belongs to the technical field of automobile brake pad processing, and relates to a tapered shaft stirring device for brake pad premix.

Background technique

The brake pad is a device that converts kinetic energy into heat energy through friction to achieve braking and releases heat energy to the environment in time. It is widely used in sports machine tools and motor vehicles. Its performance is directly related to the safe and reliable operation of machine tools and motor vehicles. Usually, the processing of brake pads is formed by mixing various powder materials and then compression molded. The mixing ratio of various powder materials has a great influence on the quality of brake pads. Therefore, the efficient and precise mixing of various raw materials is particularly important in the production of brake pads.

The application number is 201110029038.8, which discloses a multi-cavity mold premix automatic weighing, packaging and feeding device for brake pads, including a frame, a stirring feeding unit, a weighing unit, a distributing unit, a storage unit and a feeding unit; The feeding unit, weighing unit, distributing unit, storage unit and feeding unit are installed on the frame from top to bottom, and the characteristic is that there is a weighing unit for weighing the fabric and bottom material under the stirring feeding unit , a distributing unit is arranged under each weighing unit, a storage unit is respectively arranged under the distributing unit for fabric and the distributing unit for bottom material, and a feeding unit is arranged under each storage unit; The weighing unit includes a force sensor, a weighing box and a box-opening cylinder. The force sensor is installed on the frame, the weighing box is connected to the force sensor, the box-opening cylinder is installed on the frame, and a control scale is set on the weighing box. The counterweight of the closing force of the material box controls the opening and closing of the weighing material box through the expansion and contraction of the piston rod of the opening cylinder.

Although it has the following advantages: a high degree of automation, it can meet the requirements for weighing and packaging multi-cavity premixed materials, and at the same time complete the automatic weighing of premixed materials in all hoppers of the two multi-cavity feeders for bottom material and fabric. Quantity and sub-packaging, and the simultaneous feeding of multi-cavity molds is realized through the multi-cavity feeder.

However, its structure is complex, maintenance costs are high, and professional maintenance personnel are required, which is not cost-effective for small businesses.

The application number is 201610111741.6, which discloses a brake pad processing and mixing device, including: a mixing tank, at least one feeding mechanism, and a stirring mechanism;

The inside of the mixing tank has a vertically arranged cylindrical cavity, the top of the mixing tank is provided with at least one feed port, and the bottom of the mixing tank is provided with a discharge port;

The feeding mechanism is installed at the feed inlet. The feed mechanism includes a mounting frame, a weighing plate, a feeding pipe, and a first driving device. The mounting frame is installed on the outer periphery of the feeding port, and the weighing plate is horizontally arranged above the feeding port. There is a weighing sensor on the weighing plate, and the weighing sensor is used to detect the weight of the material on the weighing plate. The weighing plate includes a first plate part, a connecting part, and a second plate part connected in sequence, and the connecting part passes through the rotating shaft. Hinged with the installation frame, the feed pipe is located above the weighing plate and has a discharge port at the bottom. The projection of the discharge port on the plane where the weighing plate is located is located on the weighing plate. The first driving device is used to connect with the load cell It is used to drive the weighing plate to rotate according to the signal of the load cell;

The stirring mechanism includes a second driving device and a stirring piece, the stirring piece is located in the mixing barrel, and the second driving device is connected with the stirring piece for driving the stirring piece to stir.

The feeding pipe feeds the material to the weighing plate. When the weighing sensor on the weighing plate detects that the material on the weighing plate reaches the preset value, the weighing plate turns over, so that the material on the weighing plate enters the mixing barrel Inside, after the mixing mechanism mixes the various materials in the mixing barrel evenly, the materials are discharged from the discharge port. Through the above optimal design of the brake pad processing mixing device, the structural design is reasonable, the material can be accurately weighed and fed before mixing, and the various materials after feeding can be fully mixed to improve the feeding efficiency and ensure the follow-up Precision.

But it has the following disadvantages: the weighing plate is open, and the powder will raise dust when it falls on it, and because the depth of the weighing plate is very shallow, it can’t hold much powder. If there are a lot of raw materials, it needs to be weighed repeatedly. The more times of weighing, the greater the error. In addition, the stirring shaft is set upwards, and the stirring is not very thorough.

Contents of the invention

The problem to be solved by the present invention is to provide a conical shaft stirring device for brake pad premix in view of the above-mentioned deficiencies in the prior art.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

A conical shaft stirring device for premixed brake pads, including a feed pipe, a weighing bin, a mixing bin, a discharging pipe and a stirring mechanism; The feed port is provided with a discharge port below, the feed port is connected with the feed pipe, the discharge port is connected with the discharge pipe, the feed pipe is connected with a weighing bin, the weighing bin is an inverted cone, and the weighing bin is The upper end is sealed or opened by the switch valve Ⅱ. There is a branch pipe connected to the feed pipe at the upper end of the weighing silo. The branch pipe is equipped with a negative pressure fan. The free end of the branch pipe is connected to the storage container. The lower end of the weighing silo is sealed by the switch valve Ⅰ. Or open, there is a weight sensor on the upper end surface of the switching valve Ⅰ, the outlet of the mixing bin is sealed or opened through the switching valve Ⅲ, the stirring mechanism is set in the mixing bin, the stirring mechanism includes a drive motor and a screw shaft, and the screw The cross-section of the mixing shaft is conical, and the outer wall of the mixing bin is connected with a vibration motor. The on-off valve I, the weight sensor, the on-off valve III, the vibration motor and the drive motor are respectively connected to the controller.

The weight sensor is used to detect the weight of the raw material in the weighing bin, and then transmit the signal to the controller;

The controller controls the on-off valve I and the on-off valve II to open or close according to the signal transmitted by the weight sensor; the controller controls the on-off valve III to open or close according to the preset program, controls the vibration motor and the driving motor to run or close, and controls the load Compressor is on or off.

The upper end of the feed pipe is trumpet-shaped.

The number of feeding ports is at least one, and the number of feeding pipes is consistent with the number of feeding ports.

The drive motor drives the spiral stirring shaft to rotate forward or reverse.

The discharge port is arc-shaped and arranged around the bottom end of the spiral stirring shaft.

Compared with prior art, the beneficial effect of the present invention is:

(1) Weighing the raw material powder through the weighing bin will not raise dust, and the weighing can be completed at one time. The weighing is accurate. The weight sensor sends the signal to the controller. After the weight is reached, the switch valve I is automatically opened to send the raw material powder into the mixing bin, close the on-off valve II to prevent the raw material powder from continuing to enter the weighing bin, and ensure accurate weighing results.

(2) After the on-off valve Ⅱ is closed, there will be a backlog of raw materials in the feeding pipe. At this time, the negative pressure fan will be started, and the negative pressure fan will transport the excess raw material powder to the storage container for reuse next time. At the same time, the feeding can also be cleaned up. Tube.

(3) The driving motor drives the spiral stirring shaft to rotate forward or reverse, which can better stir various raw material powders and make the stirring more uniform.

(4) A vibrating motor is connected to the outer wall of the mixing bin. When the mixing is completed and the material is discharged, the vibrating motor vibrates the outer wall of the mixing bin, which can completely drain the mixed material in the mixing bin and prevent the mixed material from being adsorbed on the mixing bin. on the inner wall of the silo.

Description of drawings

Fig. 1 is the structural representation of brake pad premix conical shaft stirring device of the present invention;

Among them, 1-feeding pipe, 2-weighing bin, 3-mixing bin, 4-outlet pipe, 5-stirring mechanism, 6-frame, 7-switch valve II, 8-branch, 9-negative pressure Fan, 10-storage container, 11-on-off valve I, 12-weight sensor, 13-on-off valve III, 14-vibration motor.

detailed description

The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

As shown in Figure 1, a conical shaft stirring device for premixed brake pads includes a feed pipe, a weighing bin, a mixing bin, a discharge pipe and a stirring mechanism; the mixing bin is spherical and installed on a frame , there is a feed inlet above it, a discharge outlet below it, the feed inlet is connected with the feed pipe, the discharge port is connected with the discharge pipe, the feed pipe is connected with a weighing bin, and the weighing bin is an inverted cone It is said that the upper end of the silo is sealed or opened by the switch valve Ⅱ, and a branch pipe is connected to the feed pipe at the upper end of the silo, and a negative pressure fan is installed on the branch pipe, and the free end of the branch pipe is connected with the storage container, which is called the silo. The lower end is sealed or opened by the on-off valve Ⅰ, the upper end of the on-off valve Ⅰ is equipped with a weight sensor, the outlet of the mixing bin is sealed or opened by the on-off valve Ⅲ, the stirring mechanism is set in the mixing silo, and the stirring mechanism includes a driving motor And the spiral stirring shaft, the cross section of the spiral stirring shaft is conical, the vibration motor is connected to the outer wall of the mixing bin, the switch valve Ⅰ, the weight sensor, the switch valve Ⅲ, the vibration motor and the drive motor are respectively connected with the controller,

The weight sensor is used to detect the weight of the raw material in the weighing bin, and then transmit the signal to the controller;

The controller controls the on-off valve I and the on-off valve II to open or close according to the signal transmitted by the weight sensor; the controller controls the on-off valve III to open or close according to the preset program, controls the vibration motor and the driving motor to run or close, and controls the load Compressor is on or off.

The upper end of the feed pipe is trumpet-shaped.

The number of feeding ports is at least one, and the number of feeding pipes is consistent with the number of feeding ports.

The drive motor drives the spiral stirring shaft to rotate forward or reverse.

The discharge port is arc-shaped and arranged around the bottom end of the spiral stirring shaft.

Compared with prior art, the beneficial effect of the present invention is:

(1) Weighing the raw material powder through the weighing bin will not raise dust, and the weighing can be completed at one time. The weighing is accurate. The weight sensor sends the signal to the controller. After the weight is reached, the switch valve I is automatically opened to send the raw material powder into the mixing bin, close the on-off valve II to prevent the raw material powder from continuing to enter the weighing bin, and ensure accurate weighing results.

(2) After the on-off valve Ⅱ is closed, there will be a backlog of raw materials in the feeding pipe. At this time, the negative pressure fan will be started, and the negative pressure fan will transport the excess raw material powder to the storage container for reuse next time. At the same time, the feeding can also be cleaned up. Tube.

(3) The driving motor drives the spiral stirring shaft to rotate forward or reverse, which can better stir various raw material powders and make the stirring more uniform.

(4) A vibrating motor is connected to the outer wall of the mixing bin. When the mixing is completed and the material is discharged, the vibrating motor vibrates the outer wall of the mixing bin, which can completely drain the mixed material in the mixing bin and prevent the mixed material from being adsorbed on the mixing bin. on the inner wall of the silo.

Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.

Claims (5)

1. a brake block premix material diminished shaft agitating device, it is characterised in that: include feed pipe, weighing storehouse, blending bunker, discharging Pipe and rabbling mechanism；Blending bunker is spherical in shape, is installed in frame, and it is arranged over charging aperture, and lower section is provided with discharging opening, charging aperture Being connected with feed pipe, discharging opening is connected with discharge nozzle, and on feed pipe, connection has weighing storehouse, weighing storehouse is inverted cone, weighing storehouse Upper end is sealed by switch valve II or is opened, and the feed pipe of upper end, weighing storehouse connects an arm, and arm is provided with negative pressure Blower fan, the free end of arm is connected with storing container, and the lower end in weighing storehouse is passed through switch valve I and sealed or open, switch valve I upper End face is provided with weight sensor, and the discharging opening of blending bunker is sealed by switch valve III or opened, and rabbling mechanism is located at blending bunker In, rabbling mechanism includes driving motor and auger axle, and the cross section of auger axle is tapered, and the outer wall of blending bunker connects Vibrating motor, switch valve I, weight sensor, switch valve III, vibrating motor and driving motor is had to be connected with controller respectively,

Described weight sensor, in detecting weighing storehouse, the weight of raw material, then transmits a signal to controller；

Described controller, opens or closes according to Signal-controlled switch valve I, the switch valve II of weight sensor transmission；Control Device controls switch valve III according to pre-set programs and opens or closes, and controls vibrating motor and drives motor to run or close, controlling negative Pressure fan runs or cuts out.

Brake block premix material diminished shaft agitating device the most according to claim 1, it is characterised in that: the upper end of feed pipe in Horn-like.

Brake block premix material diminished shaft agitating device the most according to claim 1, it is characterised in that: the quantity of charging aperture is extremely Being 1 less, the quantity of feed pipe is consistent with the quantity of charging aperture.

Brake block premix material diminished shaft agitating device the most according to claim 1, it is characterised in that: drive driven by motor spiral shell Rotation shaft forward or reverse.

Brake block premix material diminished shaft agitating device the most according to claim 1, it is characterised in that: discharging opening is circular arc Shape, is laid in around auger axle bottom.