CN213000347U

CN213000347U - Ball mill for preparing hard alloy bars of PCB high-feed drilling tool

Info

Publication number: CN213000347U
Application number: CN202021175155.6U
Authority: CN
Inventors: 朱晓辉; 佘文彬
Original assignee: HENAN DADI ALLOY CO Ltd
Current assignee: HENAN DADI ALLOY CO Ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-04-20
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a ball mill is used in preparation of PCB board high feeding drilling cutter carbide rod, including the ball mill body, the discharge end of ball mill body is connected with out the tuber pipe, the bottom of ball mill body is fixed with the transport cylinder, this internal well interval net that is provided with of ball mill, be equipped with clearance mechanism on the well interval net, the feed inlet of ball mill body all is equipped with blast mechanism with one side of well interval net, it keeps off the net to go out the intraductal fender that is equipped with of tuber, the bottom that goes out the tuber pipe is equipped with and keeps off the inlet pipe that the net corresponds, inlet pipe and transport cylinder intercommunication, be equipped with conveying mechanism in the transport cylinder, the bottom of transport cylinder is equipped with screening mechanism. The utility model discloses rational in infrastructure, it can provide the normal clear of the ejection of compact is guaranteed to sufficient atmospheric pressure to can carry out quick screening to the powder after the ejection of compact.

Description

Ball mill for preparing hard alloy bars of PCB high-feed drilling tool

Technical Field

The utility model relates to a PCB board high feed drilling cutter carbide rod preparation technical field especially relates to ball mill is used in preparation of PCB board high feed drilling cutter carbide rod.

Background

The PCB needs to use high-feed drilling cutter to process in process of production, and high-feed drilling cutter adopts carbide rod to produce mostly, and carbide rod needs to use ball mill to polish into the powder with carbide piece material before production.

The ball mill of current carbide preparation is in the use, and its ejection of compact is mostly through the mode that the feed inlet was blown gas, blows off the powder from the discharge gate, but this kind of mode often has the condition that atmospheric pressure is not enough, and the load is not enough to can not be quick after the ejection of compact screen the powder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the ball mill is used in preparation of the high feeding drilling cutter carbide rod of PCB board that proposes, it can provide the normal clear of sufficient atmospheric pressure assurance ejection of compact to can carry out quick screening to the powder after the ejection of compact.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

ball mill is used in preparation of PCB board high feeding drilling cutter carbide rod, including the ball mill body, the discharge end of ball mill body is connected with out the tuber pipe, the bottom of ball mill body is fixed with the carriage, this internal well interval net that is provided with of ball mill, be equipped with clearance mechanism on the well interval net, the feed inlet of ball mill body all is equipped with the mechanism of blowing with one side of well interval net, it is equipped with the fender net to go out the tuber pipe, the bottom that goes out the tuber pipe is equipped with and keeps off the inlet pipe that the net corresponds, inlet pipe and carriage intercommunication, be equipped with conveying mechanism in the carriage, the bottom of carriage is equipped with screening mechanism.

Preferably, the blowing mechanism comprises an air blower installed at the upper end of the ball mill body, the air outlet end of the air blower is connected with a connecting pipe, a plurality of circles of air outlet pipes are arranged at the feed end of the ball mill body and one side of the middle spacing net, a plurality of air outlets are formed in the side wall of each air outlet pipe, and the air outlet pipes are connected with the connecting pipe.

Preferably, the conveying mechanism comprises a motor installed at one end of the conveying cylinder, a rotating rod is fixed at the tail end of an output shaft of the motor, spiral conveying blades are arranged on the outer wall of the rotating rod, and a discharge hole is formed in the bottom of the tail end of the conveying cylinder.

Preferably, screening mechanism is including setting up the bar mouth in the transport cylinder bottom, the screen cloth has been laid in the bar mouth, the bottom of transport cylinder is equipped with discharging channel.

Preferably, clearance mechanism includes the pivot of running through the rotation connection in middle separation net center department, the outer wall of pivot is fixed with a plurality of clearance boards, be connected through drive mechanism between bull stick and the pivot.

Preferably, the transmission mechanism comprises a shell fixed on the side wall of the middle spacer screen, a group of first bevel gears and second bevel gears are arranged in the shell and at the tail ends of the rotating rods, and the upper second bevel gear is connected with the lower second bevel gear through a connecting shaft.

Compared with the prior art, the utility model, its beneficial effect does:

1. through setting up the mechanism of blowing, all make up out the tuber pipe in feed end and well spacer net one side to can improve sufficient atmospheric pressure, guarantee the normal discharge of powder.

2. Through setting up conveying mechanism and screening mechanism, can carry out further screening to exhaust material, elect the great material of size to carry out the ball-milling once more.

3. Through setting up clearance mechanism and drive mechanism, can drive a plurality of cleaning plates rotation as the power supply with conveying mechanism's power, clear up on the centering spacer screen surface, avoid the mesh to block up.

Drawings

Fig. 1 is a schematic structural view of a ball mill for preparing a hard alloy bar of a high-feed drilling tool for a PCB;

fig. 2 is a schematic front view of a ball mill for preparing a hard alloy bar of a high-feed drilling tool for a PCB board;

fig. 3 is the utility model provides a PCB board high feed drilling cutter carbide rod preparation is with enlarged schematic diagram of A department's structure of ball mill.

In the figure: 1 air blower, 2 ball mill bodies, 3 air outlet pipes, 4 baffle nets, 5 feeding pipes, 6 motors, 7 spiral conveying blades, 8 screens, 9 discharging channels, 10 discharging ports, 11 conveying cylinders, 12 rotating rods, 13 air outlet pipes, 14 connecting pipes, 15 middle partition nets, 16 cleaning plates, 17 first bevel gears, 18 second bevel gears, 19 shells and 20 connecting shafts.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, the ball mill for preparing the hard alloy bar of the PCB high-feed drilling cutter comprises a ball mill body 2, a discharge end of the ball mill body 2 is connected with an air outlet pipe 3, a conveying cylinder 11 is fixed at the bottom of the ball mill body 2, a middle spacer screen 15 is arranged in the ball mill body 2, a cleaning mechanism is arranged on the middle spacer screen 15, the cleaning mechanism comprises a rotating shaft which is in running-through rotary connection with the center of the middle spacer screen 15, a plurality of cleaning plates 16 are fixed on the outer wall of the rotating shaft, a rotating rod 12 is connected with the rotating shaft through a transmission mechanism, the transmission mechanism comprises a shell 19 fixed on the side wall of the middle spacer screen 15, a group of first bevel gears 17 and second bevel gears 18 are arranged in the shell 19 and at the tail ends of the rotating rod 12, the upper bevel gears 18 are connected with the lower bevel gears 18 through a connecting shaft 20, the rotating, thereby driving the cleaning plate 16 to rotate, and removing the powder on the surface of the middle spacer 15 to ensure smooth operation.

Feed inlet and the one side of well interval net 15 of ball mill body 2 all are equipped with the mechanism of blowing, the mechanism of blowing is including installing air-blower 1 in ball mill body 2 upper end, air-out end of air-blower 1 is connected with connecting pipe 14, the feed end of ball mill body 2 and one side of well interval net 15 all are provided with many circles of outlet duct 13, the lateral wall of outlet duct 13 is equipped with a plurality of air outlets, outlet duct 13 is connected with connecting pipe 14, move air-blower 1, strong wind gets into in the feed end and the many circles of outlet duct 13 of well interval net 15 one side through connecting pipe 14, finally discharge through a plurality of air outlets, provide sufficient atmospheric pressure, blow the powder to out in the tuber pipe 3.

A blocking net 4 is arranged in the air outlet pipe 3, a feeding pipe 5 corresponding to the blocking net 4 is arranged at the bottom of the air outlet pipe 3, the feeding pipe 5 is communicated with a conveying cylinder 11, a conveying mechanism is arranged in the conveying cylinder 11 and comprises a motor 6 arranged at one end of the conveying cylinder 11, a rotating rod 12 is fixed at the tail end of an output shaft of the motor 6, a spiral conveying blade 7 is arranged on the outer wall of the rotating rod 12, a discharge port 10 is arranged at the bottom end of the conveying cylinder 11, a screening mechanism is arranged at the bottom of the conveying cylinder 11 and comprises a strip-shaped port arranged at the bottom of the conveying cylinder 11, a screen 8 is laid in the strip-shaped port, a discharge channel 9 is arranged at the bottom of the conveying cylinder 11, powder falls into the conveying cylinder 11 through the feeding pipe 5, the motor 6 is started to drive the rotating rod 12 to rotate, the rotating rod 12 drives the spiral conveying blade 7 to rotate, the material is, the material with larger particles is finally discharged through the discharge port 10, and can be poured into the ball mill body 2 again for grinding.

The utility model discloses during the use, the material gets into ball mill body 2 through the feed end and polishes, start air-blower 1, strong wind gets into the feed end through connecting pipe 14 and separates in the multiring outlet duct 13 of 15 one sides of net with the centre, discharge through a plurality of air outlets finally, provide sufficient atmospheric pressure, blow the powder to the tuber pipe 3 in, through keeping off net 4, the powder falls into conveying cylinder 11 through inlet pipe 5, starting motor 6 drives bull stick 12 and rotates, bull stick 12 drives spiral delivery leaf 7 and rotates, carry the material, the powder that the granule is less falls into discharging channel 9 through screen cloth 8 and discharges, the material that the granule is bigger finally discharges through discharge gate 10, can pour into ball mill body 2 again and polish; the rotating rod 12 rotates through two groups of first bevel gears 17 and second bevel gears 18, so that the cleaning plate 16 is driven to rotate, powder on the surface of the middle spacer screen 15 is cleaned, and smoothness is guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

A ball mill for preparing hard alloy bars of a PCB high-feed drilling cutter comprises a ball mill body (2), it is characterized in that the discharge end of the ball mill body (2) is connected with an air outlet pipe (3), a conveying cylinder (11) is fixed at the bottom of the ball mill body (2), a middle spacing net (15) is arranged in the ball mill body (2), the middle partition net (15) is provided with a cleaning mechanism, the feed inlet of the ball mill body (2) and one side of the middle partition net (15) are both provided with a blowing mechanism, a baffle net (4) is arranged in the air outlet pipe (3), a feeding pipe (5) corresponding to the baffle net (4) is arranged at the bottom of the air outlet pipe (3), the feeding pipe (5) is communicated with the conveying cylinder (11), a conveying mechanism is arranged in the conveying cylinder (11), and a screening mechanism is arranged at the bottom of the conveying cylinder (11).
2. The ball mill for preparing the hard alloy bars of the PCB high-feed drilling cutter according to claim 1, wherein the blowing mechanism comprises an air blower (1) installed at the upper end of the ball mill body (2), the air outlet end of the air blower (1) is connected with a connecting pipe (14), a plurality of circles of air outlet pipes (13) are arranged at the feed end of the ball mill body (2) and one side of the middle spacing net (15), a plurality of air outlets are arranged on the side wall of each air outlet pipe (13), and the air outlet pipes (13) are connected with the connecting pipe (14).
3. The ball mill for preparing the hard alloy bars of the PCB high-feed drilling cutter according to claim 1, wherein the conveying mechanism comprises a motor (6) arranged at one end of a conveying cylinder (11), a rotating rod (12) is fixed at the tail end of an output shaft of the motor (6), a spiral conveying blade (7) is arranged on the outer wall of the rotating rod (12), and a discharge hole (10) is formed in the bottom of the tail end of the conveying cylinder (11).
4. The ball mill for preparing hard alloy bars of PCB high-feed drilling tools according to claim 1, characterized in that the screening mechanism comprises a bar-shaped opening arranged at the bottom of a conveying cylinder (11), a screen (8) is paved in the bar-shaped opening, and a discharging channel (9) is arranged at the bottom of the conveying cylinder (11).
5. The ball mill for preparing the hard alloy bars of the PCB high-feed drilling cutter is characterized in that the cleaning mechanism comprises a rotating shaft which is connected to the center of the middle spacing net (15) in a penetrating and rotating mode, a plurality of cleaning plates (16) are fixed to the outer wall of the rotating shaft, and the rotating rod (12) is connected with the rotating shaft through a transmission mechanism.
6. The ball mill for preparing the hard alloy bars of the PCB high-feed drilling cutter according to claim 5, wherein the transmission mechanism comprises a housing (19) fixed on the side wall of the middle spacing net (15), a group of first bevel gears (17) and second bevel gears (18) are arranged in the housing (19) and at the tail ends of the rotating rods (12), and the upper second bevel gears (18) and the lower second bevel gears (18) are connected through a connecting shaft (20).