CN209811893U - Grinding lathe is with knife grinding frame of shaping R sword - Google Patents
Grinding lathe is with knife grinding frame of shaping R sword Download PDFInfo
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- CN209811893U CN209811893U CN201920069187.9U CN201920069187U CN209811893U CN 209811893 U CN209811893 U CN 209811893U CN 201920069187 U CN201920069187 U CN 201920069187U CN 209811893 U CN209811893 U CN 209811893U
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- dovetail
- block
- main shaft
- tool rest
- dovetail block
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Abstract
The utility model belongs to the machining field relates to a grinding lathe is with knife grinding frame of shaping R sword. The device base, support, rocking disc, handle, main shaft, first dovetail block, second dovetail block, knife rest. The upper end surface of the base is an inclined plane with an angle, the upper end of the support passes through the main shaft, and two angular contact bearings are arranged on the main shaft; one end of the main shaft is matched with a central hole of the rocking disc; the main shaft can be driven to rotate by shaking the handle of the rocking disc; a transverse dovetail convex block is arranged on one side of the second dovetail block and is matched and installed with a transverse dovetail groove of the first dovetail block, an adjusting screw and a locking screw B are arranged at the joint, and the left and right relative positions of the two dovetail blocks are adjusted by adjusting the feeding of the adjusting screw; the bottom end of the tool rest is a dovetail-shaped convex block which is matched and installed with a longitudinal dovetail groove of the second dovetail block, and the upper part of the tool rest is provided with a square groove for placing an R-shaped tool to be processed. The utility model is simple in operation, production efficiency is high, and the R sword size precision of grinding is high, back knife face roughness is little, have complete and accurate relief angle.
Description
Technical Field
The utility model belongs to the machining field relates to a grinding lathe is with knife grinding frame of shaping R sword.
Background
The flat plate rubber mold and the 45-degree rubber mold are generally machined by a lathe. The lathe processes the molded surface by using the molding R cutter, and the precision of the molded surface and the precision of the molding R cutter are inseparable. In the past, the required R size is machined by linear cutting, and then the back angle of the R cutter is manually ground by a grinding wheel. The R cutter manufactured by the processing method has the advantages of large surface roughness of the rear cutter surface, low dimensional precision and inconsistent angle of the rear angle, influences the dimensional precision and the surface roughness of the molded part profile, and is easy to damage the cutting edge of the R cutter and reduce the production efficiency when the rear angle of the R cutter is manually ground by a grinding wheel.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a grinding lathe is with knife grinding frame of shaping R sword, will need the lathe tool of abrasive machining to place on the knife grinding frame, utilize the grinding machine to carry out abrasive machining to the lathe tool, solve R sword rear face roughness poor, the size precision is not high, the cutter relief angle is inconsistent, the cutting edge is damaged easily by hand, problem such as efficiency is not high; according to the materials required to be processed by the cutter, different cutter relief angles are adopted, the design with angles is adopted for the base of the grinding tool rest, the cutter naturally forms a certain relief angle during grinding, the friction between the cutter and a workpiece is reduced, and the size precision and the surface roughness of the workpiece are improved.
The technical scheme of the utility model is that:
a grinding tool rest for forming an R-shaped tool for a grinding lathe comprises a base 1, a support 2, a rocking disc 3, a handle 4, a main shaft 5, a first dovetail block 6, a second dovetail block 7, a tool rest 8, a locking screw A9, a first locking screw 10, a first stop block 11, a first adjusting screw 12, a second locking screw 13, a second stop block 14 and a second adjusting screw 15;
the upper end surface of the base 1 is an inclined surface with an angle, and the support 2 is of an inverted T-shaped structure and comprises a vertical plate, a bottom plate and side plates; the bottom plate is fixed on the base 1 through bolts; a cylinder is arranged at the upper end of the vertical plate, and the axial direction of the cylinder is parallel to the upper end surface of the vertical plate; the side plate is arranged on the bottom plate, one side of the side plate is fixedly connected with the vertical plate and the end face of the cylinder, a through hole is formed in the side plate and communicated with the cylinder, and a cylindrical pin is arranged at the lower part of the other side of the side plate; the cylinder penetrates through the main shaft 5, two angular contact bearings are mounted on the main shaft 5, and the angular contact bearings are fixed in the cylinder through snap springs;
a central hole is formed in the rocking disc 3, one end of the main shaft 5 is matched with the central hole of the rocking disc 3, and the position of the rocking disc 3 on the main shaft 5 is locked and fixed through a nut; the rocking disc 3 is provided with a handle 4, the lower end of the rocking disc 3 is annularly provided with an arc-shaped notch of 200 degrees, the position of the arc-shaped notch corresponds to the position of a cylindrical pin on a side plate of the base 1, the handle 4 is rocked, the rocking disc 3 drives the main shaft 5 to rotate, and the cylindrical pin slides in the arc-shaped notch to play a limiting role; one side of the first dovetail block 6 is provided with a threaded hole and is in threaded connection with the other end of the main shaft 5, and the other side of the first dovetail block 6 is provided with a transverse dovetail groove;
a transverse dovetail convex block is arranged on one side of the second dovetail block 7 and is matched and installed with a transverse dovetail groove of the first dovetail block 6, a first stop block 11 is arranged on the side edge of the first dovetail block 6, and the first stop block 11 is positioned at the junction of the two dovetail blocks; the first adjusting screw 12 is in threaded connection with the first stop block 11, the screw column end of the first adjusting screw 12 is in contact with the dovetail convex block of the second dovetail block 7, the left and right relative positions of the two dovetail blocks are adjusted by adjusting the feeding of the first adjusting screw 12, the first locking screw 10 penetrates through the first dovetail block 6 from bottom to top, and after the position of the second dovetail block 7 is fixed, the first locking screw 10 locks the two dovetail blocks;
a longitudinal dovetail groove is formed in the other side of the second dovetail block 7; the tool rest 8 is L-shaped, the bottom end of the tool rest 8 is a dovetail-shaped convex block and is installed in a matched mode with a longitudinal dovetail groove of the second dovetail block 7, a second stop block 14 is arranged on the upper end face of the second dovetail block 7, the second stop block 14 is located at the junction of the second dovetail block 7 and the tool rest 8, a second adjusting screw 15 is in threaded connection with the second stop block 14, the stud end of the second adjusting screw 15 is in contact with the dovetail-shaped convex block at the bottom end of the tool rest 8, the upper and lower relative positions of the second dovetail block 7 and the tool rest 8 are adjusted by adjusting the feeding of the second adjusting screw 15, the side face of a second locking screw 13 penetrates through the second dovetail block 7, and after the position of the tool rest 8 is fixed, the tool rest 8 is locked by the second locking screw 13; the upper part of the tool rest 8 is provided with a square groove for placing the R-shaped tool to be processed, and the top end of the tool rest 8 is provided with a locking screw A9 for locking the R-shaped tool to be processed.
When in use, the R-shaped cutter to be processed (the state that the cutting edge is provided with uniform allowance after the R-shaped cutter to be processed is processed by linear cutting) is arranged in the square groove of the cutter frame 12 and is locked by a locking screw A9; shaking the rocking disc 3, and detecting whether the left and right sides of the cambered surface of the R-shaped cutter to be processed are symmetrical through a dial indicator; the center of the R cutter is adjusted to be consistent with the main shaft of the grinding cutter frame through an adjusting screw 12, and the R cutter is locked through a locking screw B10; placing the device on a grinding machine, and enabling a cutter to be positioned right below a grinding wheel; starting the grinding machine, shaking the rocking disc 3 left and right, and grinding the R-shaped cutter; and in the grinding process, measuring for many times by using an outside micrometer until the R cutter meets the size requirement.
The utility model has the advantages that:
the device has the advantages of simple operation and high production efficiency, and the R cutter ground by the device has high size precision, small surface roughness of the rear cutter face and complete and accurate rear angle.
Drawings
FIG. 1(a) is a front view of a forming R-knife;
FIG. 1(b) is a side view of a formed R-knife;
FIG. 1(c) is a side view of a forming R-knife;
FIG. 2 is a view showing the structure of a grinding head of a formed R-shaped cutter for a grinding lathe;
FIG. 3(a) is a view of the spindle of a grinding tool post for a profiled R-blade for a grinding lathe;
FIG. 3(b) is a cross-sectional view A-A of FIG. 3 (a);
FIG. 3(c) is a cross-sectional view B-B of FIG. 3 (a);
FIG. 4 is a schematic view of the forming R-knife process;
in the figure: 1, a base; 2, a support; 3, shaking the disc; 4, a handle; 5, a main shaft; 6 a first dovetail block; 7 a second dovetail block; 8, a tool rest; 9 locking the bolt A; 10 a first locking screw; 11 a first stopper; 12 a first adjustment screw; 13 a second locking screw; 14 a second stop; 15 second adjustment screw.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
As shown in fig. 2, a grinding tool rest for a formed R-shaped tool for a grinding lathe comprises a base 1, a support 2, a rocking disc 3, a handle 4, a main shaft 5, a first dovetail block 6, a second dovetail block 7, a tool rest 8, a locking screw a9, a first locking screw 10, a first stop 11, a first adjusting screw 12, a second locking screw 13, a second stop 14 and a second adjusting screw 15;
the upper end surface of the base 1 is an inclined surface with an angle, and the support 2 is of an inverted T-shaped structure and comprises a vertical plate, a bottom plate and side plates; the bottom plate is fixed on the base 1 through bolts; a cylinder is arranged at the upper end of the vertical plate, and the axial direction of the cylinder is parallel to the upper end surface of the vertical plate; the side plate is arranged on the bottom plate, one side of the side plate is fixedly connected with the vertical plate and the end face of the cylinder, a through hole is formed in the side plate and communicated with the cylinder, and a cylindrical pin is arranged at the lower part of the other side of the side plate; the cylinder penetrates through the main shaft 5, two angular contact bearings are mounted on the main shaft 5, and the angular contact bearings are fixed in the cylinder through snap springs;
a central hole is formed in the rocking disc 3, one end of the main shaft 5 is matched with the central hole of the rocking disc 3, and the position of the rocking disc 3 on the main shaft 5 is locked and fixed through a nut; the rocking disc 3 is provided with a handle 4, the lower end of the rocking disc 3 is annularly provided with an arc-shaped notch of 200 degrees, the position of the arc-shaped notch corresponds to the position of a cylindrical pin on a side plate of the base 1, the handle 4 is rocked, the rocking disc 3 drives the main shaft 5 to rotate, and the cylindrical pin slides in the arc-shaped notch to play a limiting role; one side of the first dovetail block 6 is provided with a threaded hole and is in threaded connection with the other end of the main shaft 5, and the other side of the first dovetail block 6 is provided with a transverse dovetail groove;
a transverse dovetail convex block is arranged on one side of the second dovetail block 7 and is matched and installed with a transverse dovetail groove of the first dovetail block 6, a first stop block 11 is arranged on the side edge of the first dovetail block 6, and the first stop block 11 is positioned at the junction of the two dovetail blocks; the first adjusting screw 12 is in threaded connection with the first stop block 11, the screw column end of the first adjusting screw 12 is in contact with the dovetail convex block of the second dovetail block 7, the left and right relative positions of the two dovetail blocks are adjusted by adjusting the feeding of the first adjusting screw 12, the first locking screw 10 penetrates through the first dovetail block 6 from bottom to top, and after the position of the second dovetail block 7 is fixed, the first locking screw 10 locks the two dovetail blocks;
a longitudinal dovetail groove is formed in the other side of the second dovetail block 7; the tool rest 8 is L-shaped, the bottom end of the tool rest 8 is a dovetail-shaped convex block and is installed in a matched mode with a longitudinal dovetail groove of the second dovetail block 7, a second stop block 14 is arranged on the upper end face of the second dovetail block 7, the second stop block 14 is located at the junction of the second dovetail block 7 and the tool rest 8, a second adjusting screw 15 is in threaded connection with the second stop block 14, the stud end of the second adjusting screw 15 is in contact with the dovetail-shaped convex block at the bottom end of the tool rest 8, the upper and lower relative positions of the second dovetail block 7 and the tool rest 8 are adjusted by adjusting the feeding of the second adjusting screw 15, the side face of a second locking screw 13 penetrates through the second dovetail block 7, and after the position of the tool rest 8 is fixed, the tool rest 8 is locked by the second locking screw 13; the upper part of the tool rest 8 is provided with a square groove for placing the R-shaped tool to be processed, and the top end of the tool rest 8 is provided with a locking screw A9 for locking the R-shaped tool to be processed.
When in use, the R-shaped cutter to be processed (the state that the cutting edge is provided with uniform allowance after the R-shaped cutter to be processed is processed by linear cutting) is arranged in the square groove of the cutter frame 12 and is locked by a locking screw A9; shaking the rocking disc 3, and detecting whether the left and right sides of the cambered surface of the R-shaped cutter to be processed are symmetrical through a dial indicator; the center of the R cutter is adjusted to be consistent with the main shaft of the grinding cutter frame through an adjusting screw 12, and the R cutter is locked through a locking screw B10; placing the device on a grinding machine, and enabling a cutter to be positioned right below a grinding wheel; starting the grinding machine, shaking the rocking disc 3 left and right, and grinding the R-shaped cutter; and in the grinding process, measuring for many times by using an outside micrometer until the R cutter meets the size requirement.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (1)
1. The grinding tool rest for the formed R knife for the grinding lathe is characterized by comprising a base (1), a support (2), a rocking disc (3), a handle (4), a main shaft (5), a first dovetail block (6), a second dovetail block (7), a tool rest (8), a locking screw A (9), a first locking screw (10), a first stop block (11), a first adjusting screw (12), a second locking screw (13), a second stop block (14) and a second adjusting screw (15);
the upper end face of the base (1) is an inclined plane with an angle, and the support (2) is of an inverted T-shaped structure and comprises a vertical plate, a bottom plate and a side plate; the bottom plate is fixed on the base (1) through bolts; the upper end of the vertical plate is provided with a cylinder for the main shaft (5) to pass through, and the axial direction of the cylinder is parallel to the upper end surface of the vertical plate; the side plate is arranged on the bottom plate, one side of the side plate is fixedly connected with the vertical plate and the end face of the cylinder, a through hole is formed in the side plate and communicated with the cylinder, and a cylindrical pin is arranged at the lower part of the other side of the side plate; the cylinder penetrates through the main shaft (5), two angular contact bearings are mounted on the main shaft (5), and the angular contact bearings are fixed in the cylinder through snap springs;
a central hole is formed in the rocking disc (3), one end of the main shaft (5) is matched with the central hole of the rocking disc (3), and the position of the rocking disc (3) on the main shaft (5) is locked and fixed through a nut; the rocking disc (3) is provided with a handle (4), the lower end of the rocking disc (3) is annularly provided with an arc-shaped notch with the angle of 200 degrees, the position of the arc-shaped notch corresponds to the position of a cylindrical pin on a side plate of the base (1), the handle (4) is rocked, the rocking disc (3) drives the main shaft (5) to rotate, and the cylindrical pin slides in the arc-shaped notch to play a limiting role; one side of the first dovetail block (6) is provided with a threaded hole and is in threaded connection with the other end of the main shaft (5), and the other side of the first dovetail block (6) is provided with a transverse dovetail groove;
a transverse dovetail convex block is arranged on one side of the second dovetail block (7) and is matched and installed with a transverse dovetail groove of the first dovetail block (6), a first stop block (11) is arranged on the side edge of the first dovetail block (6), and the first stop block (11) is positioned at the junction of the two dovetail blocks; the first adjusting screw (12) is in threaded connection with the first stop block (11), the screw column end of the first adjusting screw (12) is in contact with the dovetail convex block of the second dovetail block (7), the left and right relative positions of the two dovetail blocks are adjusted by adjusting the feeding of the first adjusting screw (12), the first locking screw (10) penetrates through the first dovetail block (6) from bottom to top, and after the position of the second dovetail block (7) is fixed, the first locking screw (10) locks the two dovetail blocks;
a longitudinal dovetail groove is formed in the other side of the second dovetail block (7); the tool rest (8) is L-shaped, the bottom end of the tool rest (8) is a dovetail-shaped convex block and is installed in a matched mode with a longitudinal dovetail groove of the second dovetail block (7), a second stop block (14) is arranged on the upper end face of the second dovetail block (7), the second stop block (14) is located at the junction of the second dovetail block (7) and the tool rest (8), a second adjusting screw (15) is in threaded connection with the second stop block (14), the stud end of the second adjusting screw (15) is in contact with the dovetail-shaped convex block at the bottom end of the tool rest (8), the upper and lower relative positions of the second dovetail block (7) and the tool rest (8) are adjusted by adjusting the feeding of the second adjusting screw (15), the side face of the second locking screw (13) penetrates through the second dovetail block (7), and the tool rest (8) is locked by the second locking screw (13) after the position of the tool rest (8) is fixed; the upper part of the tool rest (8) is provided with a square groove for placing the R-shaped tool to be processed, and the top end of the tool rest (8) is provided with a locking screw A (9) for locking the R-shaped tool to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069187.9U CN209811893U (en) | 2019-01-16 | 2019-01-16 | Grinding lathe is with knife grinding frame of shaping R sword |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069187.9U CN209811893U (en) | 2019-01-16 | 2019-01-16 | Grinding lathe is with knife grinding frame of shaping R sword |
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| Publication Number | Publication Date |
|---|---|
| CN209811893U true CN209811893U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920069187.9U Active CN209811893U (en) | 2019-01-16 | 2019-01-16 | Grinding lathe is with knife grinding frame of shaping R sword |
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| CN (1) | CN209811893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623512A (en) * | 2019-01-16 | 2019-04-16 | 沈阳飞机工业（集团）有限公司 | A kind of knife board of grinding lathe molding R knife |
-
2019
- 2019-01-16 CN CN201920069187.9U patent/CN209811893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623512A (en) * | 2019-01-16 | 2019-04-16 | 沈阳飞机工业（集团）有限公司 | A kind of knife board of grinding lathe molding R knife |
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