CN218224689U - Deep blind hole boring machining tool capable of automatically removing chips - Google Patents
Deep blind hole boring machining tool capable of automatically removing chips Download PDFInfo
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- CN218224689U CN218224689U CN202222793290.2U CN202222793290U CN218224689U CN 218224689 U CN218224689 U CN 218224689U CN 202222793290 U CN202222793290 U CN 202222793290U CN 218224689 U CN218224689 U CN 218224689U
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- blind hole
- chip removal
- deep blind
- mounting groove
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Abstract
The utility model discloses an automatic chip removal deep blind hole boring processing cutter, which comprises a cutter bar (1) and a blade (2), wherein the cutter bar (1) comprises a working part (101) and a clamping handle part (102); a blade mounting groove (111) is formed in the front end of the working part (101), and a water outlet hole (112) located in the front end face of the working part (101) is formed in the side face of the blade mounting groove (111); the blade mounting groove (111) is connected with a blade (2) through a screw; after the blades (2) are installed in the blade installation grooves (111), the formed main deflection angle and the formed auxiliary deflection angle are both 5 degrees +/-0.5 degrees. The utility model has the characteristics of can make things convenient for the chip removal.
Description
Technical Field
The utility model relates to a plunger hole machining cutter, especially an automatic deep blind hole bore hole machining cutter of chip removal.
Background
The plunger hydraulic pump is an important device in a hydraulic system, has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to occasions with high pressure, large flow and flow needing to be regulated, such as ships, aircrafts and the like. Particularly, in the application of an aircraft, in order to reduce the overall weight and strength of the pump and ensure the working performance of the pump, a core rotor part in the plunger pump adopts a double-alloy material structure and is formed by welding alloy steel and copper alloy. However, in the machining process of the alloy steel base part before welding, particularly in the machining process of a plunger hole, reaming or boring machining is often used, but a large amount of chips are accumulated at the bottom of the hole during machining, and the chips are squeezed by a cutter bar to form cake-shaped chips, so that a plurality of destructive factors are brought to machining.
Specifically, the reamer is used for machining, machining efficiency is low, chip removal is difficult, the cutter is fast in abrasion, the light intensity is unstable, the cutter is high in cost, a large amount of chips are extruded at the bottom of a hole to form a cake shape, and the requirement of the top edge of the bottom of the hole of a product cannot be met due to the fact that the reamer needs to be provided with a guide chamfer.
When the boring cutter is used for machining, although the machining efficiency is high, the size is adjustable, and the use cost of the cutter is low, the water outlet holes of the conventional boring cutter rod are all positioned behind the cutter, so that generated cutting scraps are flushed to the bottom of the hole under the action of cooling water pressure and cannot be discharged, and the cutter point is easily damaged; the conventional boring cutter generally adopts a reducing structure, and the cutter vibration phenomenon is easy to occur due to small allowance in the process of machining a plunger hole.
Therefore, the prior art has the problems of difficult chip removal and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic deep blind hole bore hole processing cutter of chip removal. The utility model has the characteristics of can make things convenient for the chip removal.
The technical scheme of the utility model: the deep blind hole boring machining tool capable of automatically discharging chips comprises a tool bar and a blade, wherein the tool bar comprises a working part and a clamping handle part; a blade mounting groove is formed in the front end of the working part, and a water outlet hole located in the front end face of the working part is formed in the side face of the blade mounting groove; the blade mounting groove is connected with a blade through a screw; after the blades are installed in the blade installation grooves, the formed main deflection angle and the formed auxiliary deflection angle are both 5 degrees +/-0.5 degrees.
In the automatic chip removal deep blind hole boring tool, the diameter difference between the tool nose rotating diameter of the blade and the diameter of the working part is 1-2mm.
In the automatic deep blind hole boring cutter of chip removal, the water outlet hole is located at the front end of the blade.
In the automatic chip removal deep blind hole boring cutter, the blade mounting groove enables the main deflection angle and the auxiliary deflection angle formed after the blade is mounted to be 5 degrees.
In the deep blind hole boring tool capable of automatically removing chips, the clamping handle part is provided with the directional clamping plane.
In the automatic chip removal deep blind hole boring cutter, the blade is an ISO standard 80-degree C-type blade.
Compared with the prior art, the utility model discloses a set up the apopore at the preceding terminal surface of cutter arbor work portion, main declination and vice declination after the blade installation are limited to 5, the blade forms the smear metal in-process with the work piece, the smear metal has the trend of backward motion, cooling water comes out the back through the apopore, and not act on the smear metal earlier, but act on the hole bottom earlier under the effect of pressure, flow out the plunger hole along the pore wall again after the hole bottom rebounds, cooling water when flowing out the plunger hole, the smear metal has been taken out the plunger hole along the trend, reach the purpose of chip removal, in the whole process of cutting, the smear metal only receives the effort to the orifice motion, the smear metal discharges more smoothly; meanwhile, because the blade has a deflection angle of 5 degrees, the contact surface of the blade and a workpiece is not changed all the time when the blade is at the bottom of the hole, and the influence of chips on the bottom of the hole is avoided, so that the stability of the tool tip in the processing process is ensured, and the service life of the tool tip is prolonged; the cutter bar has no reducing structure, has better strength and rigidity, can avoid the phenomenon of cutter vibration during processing, and ensures the dimensional stability of products and the smoothness requirement of the plunger hole. To sum up, the utility model has the characteristics of can make things convenient for the chip removal.
Drawings
FIG. 1 is a structural view of a plunger bore to be machined;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a structural view of the cutter bar;
fig. 4 is a schematic diagram of chip removal according to the present invention.
The symbols in the drawings are: 1-cutter bar, 2-cutter blade, 101-working part, 102-clamping handle part, 111-cutter blade mounting groove, 112-water outlet hole and 121-oriented clamping plane.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. The deep blind hole boring machining tool capable of automatically discharging chips comprises a tool bar 1 and a blade 2, wherein the tool bar 1 comprises a working part 101 and a clamping handle part 102; a blade mounting groove 111 is formed in the front end of the working portion 101, and a water outlet 112 located in the front end face of the working portion 101 is formed in the side face of the blade mounting groove 111; the blade mounting groove 111 is connected with a blade 2 through a screw; the blade 2 is an ISO standard 80-degree C-shaped blade, and a main deflection angle and an auxiliary deflection angle formed after the blade is installed are both 5 degrees +/-0.5 degrees.
The diameter difference between the tip rotation diameter of the blade 2 and the diameter of the working portion 101 is 1-2mm.
The middle of the insert mounting groove 111 is provided with a screw hole.
The water outlet 112 is located at the front end of the blade 2.
The clamping handle part 102 is provided with a directional clamping plane 121.
The material is tool steel.
A chip removal method of a deep blind hole boring processing cutter capable of automatically removing chips is characterized in that when the deep blind hole boring processing cutter is used for cutting, a blade tends to move backwards in the cutting process of a workpiece; the cooling water flows out through the water outlet hole, acts on the hole bottom under the action of pressure, rebounds through the hole bottom and flows out of the plunger hole along the hole wall, chips are taken away from the plunger hole in the process, chip removal is completed, in the whole cutting process, the chips only bear acting force moving towards the hole opening, and the chips are discharged smoothly.
The cutter bar consists of a clamping handle part and a working part, the diameter of the clamping part is consistent with that of a clamping hole of the boring cutter handle, and the clamping handle part is provided with an orientation plane which is used for clamping the cutter bar and enabling the cutter bar to have an orientation effect, so that the cutter point is ensured to be in the eccentric distance adjusting direction of the boring cutter handle. The working part is provided with a blade mounting groove, the blade is tightly attached to two edges of the blade mounting groove after being compressed by a screw, the positioning and mounting of the blade are realized, and the blade mounting groove enables the deflection angles of the main cutting edge and the auxiliary cutting edge to be 5 degrees after the blade is mounted; the water outlet is positioned on the front end surface of the working part.
The working part of the cutter bar has no reducing structure, the difference between the rotating diameter of the cutter point and the diameter of the working part is within 1-2MM, and the cutter bar has better strength and rigidity.
After the blade is installed, the main deflection angle and the auxiliary deflection angle of the blade are both 5 degrees.
In the process of cutting chips formed by the blade and a workpiece, the chips tend to move backwards, cooling water flows out of the water outlet hole and does not act on the chips firstly, but acts on the bottom of the hole firstly under the action of pressure, rebounds from the bottom of the hole and then flows out of the plunger hole along the wall of the hole, and the chips are taken out of the plunger hole along the trend while the cooling water flows out of the plunger hole, so that the purpose of chip removal is achieved; meanwhile, the blade has a deflection angle of 5 degrees, so that the contact surface of the blade and a workpiece is not changed all the time when the blade is at the bottom of a hole, and the influence of chips on the bottom of the hole is avoided, thereby ensuring the stability of the tool tip in the processing process and prolonging the service life of the tool tip.
Claims (6)
1. The utility model provides an automatic deep blind hole bore hole processing cutter of chip removal, includes cutter arbor (1) and blade (2), its characterized in that: the cutter bar (1) comprises a working part (101) and a clamping handle part (102); a blade mounting groove (111) is formed in the front end of the working part (101), and a water outlet hole (112) located in the front end face of the working part (101) is formed in the side face of the blade mounting groove (111); the blade mounting groove (111) is connected with a blade (2) through a screw; after the blades (2) are installed in the blade installation grooves (111), the formed main deflection angle and the formed auxiliary deflection angle are both 5 degrees +/-0.5 degrees.
2. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the diameter difference between the rotating diameter of the tool nose of the blade (2) and the diameter of the working part (101) is 1-2mm.
3. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the water outlet hole (112) is positioned at the front end of the blade (2).
4. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the blade mounting groove (111) ensures that the main deflection angle and the auxiliary deflection angle formed after the blade is mounted are both 5 degrees.
5. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the clamping handle part (102) is provided with a directional clamping plane (121).
6. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the blade (2) is an ISO standard 80-degree C-shaped blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222793290.2U CN218224689U (en) | 2022-10-24 | 2022-10-24 | Deep blind hole boring machining tool capable of automatically removing chips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222793290.2U CN218224689U (en) | 2022-10-24 | 2022-10-24 | Deep blind hole boring machining tool capable of automatically removing chips |
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| Publication Number | Publication Date |
|---|---|
| CN218224689U true CN218224689U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222793290.2U Active CN218224689U (en) | 2022-10-24 | 2022-10-24 | Deep blind hole boring machining tool capable of automatically removing chips |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618722A (en) * | 2023-07-19 | 2023-08-22 | 常州西夏墅工具产业创业服务中心 | Deep blind hole boring cutter with automatic chip removal function |
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2022
- 2022-10-24 CN CN202222793290.2U patent/CN218224689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618722A (en) * | 2023-07-19 | 2023-08-22 | 常州西夏墅工具产业创业服务中心 | Deep blind hole boring cutter with automatic chip removal function |
| CN116618722B (en) * | 2023-07-19 | 2023-09-15 | 常州西夏墅工具产业创业服务中心 | Deep blind hole boring cutter with automatic chip removal function |
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