CN216801801U - Tire mold pattern ring fine and deep hole machining machine tool - Google Patents
Tire mold pattern ring fine and deep hole machining machine tool Download PDFInfo
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- CN216801801U CN216801801U CN202220634030.8U CN202220634030U CN216801801U CN 216801801 U CN216801801 U CN 216801801U CN 202220634030 U CN202220634030 U CN 202220634030U CN 216801801 U CN216801801 U CN 216801801U
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Abstract
The utility model relates to a tire mold pattern ring fine and deep hole machining machine tool which is a five-axis machining mechanism of an A axis, an X axis, a Y axis, a B axis and a U axis; the transmission seat of the A-axis slewing mechanism is arranged on the lathe bed, and the output end of the transmission seat rotates around the A axis through the clamping jaw chuck fixed pattern ring; an X-axis guide rail of the X-axis sliding mechanism is arranged on the bed body, and an X-axis carriage is driven by the X-axis lead screw transmission unit to slide along the X-axis guide rail; a Y-axis guide rail of the Y-axis sliding mechanism is arranged on an X-axis carriage, and the Y-axis carriage is driven by a Y-axis lead screw transmission unit to slide along the Y-axis guide rail; a rotary table of the B-axis slewing mechanism is arranged on a Y-axis carriage and rotates around a B axis, and the B-axis slewing mechanism slides along the Y axis through a Y-axis sliding mechanism; the U-axis gun drill mechanism is arranged on the B-axis turntable through the U-axis base to rotate and slide along the U axis to form a rotary machining structure. The drilling machine has the advantages of flexible processing, large processing range, good rigidity and high drilling precision.
Description
Technical Field
The utility model relates to the field of machining and manufacturing, in particular to a tire mold pattern ring fine and deep hole machining machine tool.
Background
In the field of tire vulcanization molds, air between the mold and a tire blank needs to be quickly discharged during tire vulcanization, otherwise, the phenomena of rubber shortage and air bubbles of the tire occur, and the tire is even scrapped. In order to ensure the exhaust effect, small exhaust holes need to be arranged on a pattern ring and a tire side plate in a mold; especially, the inner surface of the patterned ring is provided with a plurality of curved patterned ribs with different depths, and a large number of exhaust holes are needed to be arranged, and the depth of the exhaust holes is generally deeper.
In order to meet the requirements of the patterned ring on the processing of exhaust holes with large quantity, different angles, large depth and high precision requirement caused by complex patterned ribs, special fine and deep hole processing equipment is required. The fine and deep hole machining equipment is different from the traditional drilling equipment, mainly depends on specific drilling technologies such as gun drill, BTA drill, jet-suction drill and the like, can obtain precise machining effects through one-time feeding, and is high in accuracy of machined holes, such as accuracy of positions, straightness accuracy and roundness.
At present, the processing machine tool has the defects of inflexible processing and narrow processing range.
Disclosure of Invention
The utility model aims to solve the problems and provides a tire mold pattern ring fine and deep hole machining machine tool which is flexible in machining, large in machining range, good in rigidity and high in drilling precision.
The purpose of the utility model is realized as follows: a tire mold pattern ring fine and deep hole machining machine tool comprises an A-axis slewing mechanism, an X-axis sliding mechanism, a Y-axis sliding mechanism, a B-axis slewing mechanism and a U-axis gun drill mechanism; the transmission seat of the A-axis slewing mechanism is arranged on the lathe bed, and the output end of the transmission seat fixes the pattern ring through the clamping jaw chuck, so that the pattern ring rotates around the A-axis to change the processing position; the X-axis sliding mechanism comprises an X-axis guide rail, an X-axis carriage and an X-axis lead screw transmission unit, the X-axis guide rail is arranged on the bed body, and the X-axis carriage is driven by the X-axis lead screw transmission unit to slide along the X-axis guide rail; the Y-axis sliding mechanism comprises a Y-axis guide rail, a Y-axis carriage and a Y-axis lead screw transmission unit, the Y-axis guide rail is arranged on the X-axis carriage, and the Y-axis carriage is driven by the Y-axis lead screw transmission unit to slide along the Y-axis guide rail; a rotary table of the B-axis slewing mechanism is arranged on a Y-axis carriage and rotates around a B axis, and the B-axis slewing mechanism slides along the Y axis through a Y-axis sliding mechanism; the U-axis gun drill mechanism is arranged on the B-axis turntable through the U-axis base to rotate and slide along the U axis to form a rotary machining structure.
The U-axis gun drill mechanism comprises a U-axis guide rail, an electric main shaft and a guide arm, wherein the U-axis guide rail is arranged on a U-axis base, the electric main shaft is horizontally arranged on a main shaft seat, the main shaft seat is driven by a U-axis screw rod transmission unit to slide along the U-axis guide rail, the guide arm is arranged on the main shaft seat through the guide rail to slide, and a gun drill connected with the electric main shaft drills along a cantilever at the front end of the guide arm to process a pattern ring; the cylinder is installed at the middle concave part of guide arm, and the push rod of cylinder is connected the cylinder roof, touches the baffle of U axle base through the cylinder roof, makes the guide arm follow the main shaft seat and makes a round trip to stretch out and draw back and slide.
According to the utility model, a cantilever at the front end of a guide arm is provided with a chip guide chamber, the front end of the chip guide chamber is provided with a gun drill guide sleeve for contacting with the surface of a patterned ring during drilling of a gun drill, the rear end of the chip guide chamber is provided with an oil seal for sealing an electric spindle, the lower end of the chip guide chamber is provided with a chip guide groove, and a chip removal groove is arranged at the position of a base corresponding to the chip guide groove.
The utility model has the following positive effects:
1) the axis A, the axis X, the axis Y, the axis B and the axis U are machined in five axes, so that machining is flexible;
2) the A-axis slewing mechanism is fixed on the lathe bed, the U-axis gun drill mechanism has a large machining range, exhaust holes at any position and any angle on the patterned ring can be machined, and all drilling operations can be completed by one-time clamping;
3) the lathe bed is formed by box-shaped integral casting, and has stable structure and good rigidity; the guide arm and the spindle seat are of an integrated structure, so that the rigidity is good, and the assembly precision is high; the cylinder is arranged in the guide arm, so that stable thrust can be provided during drilling, the end surface of the guide sleeve is abutted against the surface of a workpiece, a sealing effect is achieved, and smooth drilling and cutting are ensured; the drilling action adopts servo motor drive, can set up multistage drilling speed, and drilling speed is steady, cooperates the high rotational speed performance of electric main shaft and controls the degree of consistency of cutting effectively, improves the life-span and the drilling efficiency of gun drill.
The utility model has the advantages of flexible processing, large processing range, good rigidity and high drilling precision.
The following examples are provided to further illustrate the present invention in conjunction with the description of the figures.
Drawings
FIG. 1 is a schematic perspective view of one embodiment of the present invention;
FIG. 2 is a schematic top view of the embodiment of FIG. 1;
fig. 3 is a schematic structural diagram of the U-axis gun drill mechanism of the embodiment of fig. 1.
In the figure, 1, a transmission seat; 2. a bed body; 3. a jaw chuck; 4. pattern rings; 5. an X-axis guide rail; 6. an X-axis carriage; 7. an X-axis lead screw transmission unit; 8. a Y-axis guide rail; 9. a Y-axis carriage; 10. a Y-axis screw rod transmission unit; 11. a turntable; 12. a U-axis guide rail; 13. an electric spindle; 14. a guide arm; 15. a U-axis base; 16. a main shaft seat; 17. a U-axis screw rod transmission unit; 18. a guide rail; 19. gun drilling; 20. a cylinder; 21. a cylinder top plate; 22. a baffle plate; 23. a scrap guide chamber; 24. a gun drill guide sleeve; 25. oil sealing; 26. a chip guide groove; 27. a chip groove.
Detailed Description
Referring to fig. 1 to 3, the embodiment is a machine tool for machining fine and deep holes in a pattern ring of a tire mold, and the machine tool comprises an a-axis rotating mechanism, an X-axis sliding mechanism, a Y-axis sliding mechanism, a B-axis rotating mechanism and a U-axis gun drill mechanism; a transmission seat 1 of the A-axis slewing mechanism is arranged on a lathe bed 2, and an output end of the transmission seat fixes a pattern ring 4 through a clamping jaw chuck 3, so that the pattern ring rotates around the A-axis to change a machining position; the X-axis sliding mechanism comprises an X-axis guide rail 5, an X-axis carriage 6 and an X-axis lead screw transmission unit 7, the X-axis guide rail is installed on the bed body, and the X-axis carriage is driven by the X-axis lead screw transmission unit to slide along the X-axis guide rail; the Y-axis sliding mechanism comprises a Y-axis guide rail 8, a Y-axis carriage 9 and a Y-axis lead screw transmission unit 10, the Y-axis guide rail is installed on the X-axis carriage, and the Y-axis carriage is driven by the Y-axis lead screw transmission unit to slide along the Y-axis guide rail; a rotary table 11 of the B-axis slewing mechanism is arranged on a Y-axis carriage and rotates around a B axis, and the B-axis slewing mechanism slides along the Y axis through a Y-axis sliding mechanism; the U-axis gun drill mechanism is arranged on the B-axis rotary table through a U-axis base 15 to rotate and slide along the U axis to form a rotary machining structure; the U-axis gun drill mechanism comprises a U-axis guide rail 12, an electric spindle 13 and a guide arm 14, the U-axis guide rail is installed on a U-axis base, the electric spindle is horizontally installed on a spindle seat 16, the spindle seat is driven by a U-axis screw rod transmission unit 17 to slide along the U-axis guide rail, the guide arm is installed on the spindle seat through a guide rail 18 to slide, and a gun drill 19 connected with the electric spindle drills along a cantilever at the front end of the guide arm to process a pattern ring; a cylinder 20 is installed in a concave part in the middle of the guide arm, a push rod of the cylinder is connected with a cylinder top plate 21, and the cylinder top plate touches a baffle 22 of the U-shaft base, so that the guide arm slides back and forth along the main shaft seat in a telescopic manner; the cantilever at the front end of the guide arm is provided with a chip guide chamber 23, the front end of the chip guide chamber is provided with a gun drill guide sleeve 24 for the gun drill to contact with the surface of the pattern ring during drilling, the rear end of the chip guide chamber is provided with an oil seal 25 for sealing the electric spindle, the lower end of the chip guide chamber is provided with a chip guide groove 26, and the base is provided with a chip removal groove 27 corresponding to the chip guide groove.
According to the utility model, the deep and fine hole processing of the pattern ring is as follows: referring to fig. 1 and 2, a pattern ring 4 is installed on a clamping jaw chuck 3 to be fixed and calibrated, a drilling processing program is made according to the distribution and the size of the fine deep holes of the pattern ring, and then the program is operated. When the system starts to operate, the system controls the X-axis, the Y-axis and the A-axis to be linked, the orifice of the gun drill guide sleeve 24 is positioned to the drilling starting point of a target hole, meanwhile, the B-axis is rotated to the drilling angle of the target hole, then, the telescopic cylinder 20 is ejected out, the guide arm 14 is pushed to advance, and the gun drill guide sleeve at the front end of the guide arm is enabled to be tightly attached to the surface of the diamond ring; then the system controls the electric main shaft 13 to start, the U-axis screw rod transmission unit 17 drives the main shaft seat 16, the electric main shaft and the gun drill to advance along the U axis, and the gun drill drills into the surface of the diamond ring under the guidance of the gun drill guide sleeve and advances at a constant speed to be processed to a set depth; then, the gun drill is retreated to the safety position, and the drilling action is finished. Then, the system controls the X-axis, the Y-axis and the A-axis to be linked to position the guide sleeve hole opening to the drilling starting point of the next hole, the B-axis rotates to the drilling angle, and the next drilling action is repeated.
In the utility model, in the drilling and withdrawing processes of the gun drill, the cylinder is ejected forwards all the time, high-pressure cutting oil is punched out of an inner hole of the gun drill, scraps generated by drilling are extruded by the high-pressure oil and are discharged to the scrap guide chamber 23 through the gun drill guide sleeve, then are led out of the scrap guide groove 26 and fall to the scrap discharge groove 27, and finally are discharged into a scrap discharger of a machine tool for recovery.
According to the utility model, the gun drill is adopted to process the pattern ring exhaust hole, the high-pressure cutting oil sprayed from the inner hole of the gun drill is used for guiding out the scraps generated by drilling backwards through the gun drill guide sleeve, the midway tool withdrawal is not needed for removing chips, and the drilling efficiency and the drilling precision are high.
Claims (3)
1. The utility model provides a tire mould decorative pattern circle fine and deep hole machine tool which characterized in that:
the device comprises an A-axis slewing mechanism, an X-axis sliding mechanism, a Y-axis sliding mechanism, a B-axis slewing mechanism and a U-axis gun drill mechanism;
a transmission seat (1) of the A-axis slewing mechanism is arranged on the lathe bed (2), and the output end of the transmission seat fixes a pattern ring (4) through a clamping jaw chuck (3), so that the pattern ring rotates around the A-axis to change the processing position;
the X-axis sliding mechanism comprises an X-axis guide rail (5), an X-axis carriage (6) and an X-axis lead screw transmission unit (7), the X-axis guide rail is arranged on the bed body, and the X-axis carriage is driven by the X-axis lead screw transmission unit to slide along the X-axis guide rail;
the Y-axis sliding mechanism comprises a Y-axis guide rail (8), a Y-axis carriage (9) and a Y-axis lead screw transmission unit (10), the Y-axis guide rail is arranged on the X-axis carriage, and the Y-axis carriage is driven by the Y-axis lead screw transmission unit to slide along the Y-axis guide rail;
a turntable (11) of the B-axis slewing mechanism is arranged on the Y-axis carriage to rotate around the B axis, and the B-axis slewing mechanism slides along the Y axis through a Y-axis sliding mechanism;
the U-axis gun drill mechanism is arranged on the B-axis turntable through a U-axis base (15) to rotate and slide along the U axis to form a rotary machining structure.
2. The tire mold pattern ring fine-depth hole machining tool according to claim 1, characterized in that:
the U-axis gun drill mechanism comprises a U-axis guide rail (12), an electric spindle (13) and a guide arm (14), the U-axis guide rail is installed on a U-axis base, the electric spindle is horizontally installed on a spindle seat (16), the spindle seat is driven by a U-axis screw rod transmission unit (17) to slide along the U-axis guide rail, the guide arm is installed on the spindle seat through a guide rail (18) to slide, and a gun drill (19) connected with the electric spindle drills along a cantilever at the front end of the guide arm to process a pattern ring;
and a cylinder (20) is installed in a concave part in the middle of the guide arm, a push rod of the cylinder is connected with a cylinder top plate (21), and the cylinder top plate touches a baffle (22) of the U-shaft base, so that the guide arm slides back and forth along the main shaft seat in a telescopic manner.
3. The tire mold pattern ring fine-depth hole machining tool according to claim 2, characterized in that:
the cantilever at the front end of the guide arm is provided with a chip guide chamber (23), the front end of the chip guide chamber is provided with a gun drill guide sleeve (24) which is used for the gun drill to be in surface contact with the pattern ring during drilling, the rear end of the chip guide chamber is provided with an oil seal (25) which is sealed to the electric spindle, the lower end of the chip guide chamber is provided with a chip guide groove (26), and the base is provided with a chip discharge groove (27) corresponding to the chip guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220634030.8U CN216801801U (en) | 2022-03-22 | 2022-03-22 | Tire mold pattern ring fine and deep hole machining machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220634030.8U CN216801801U (en) | 2022-03-22 | 2022-03-22 | Tire mold pattern ring fine and deep hole machining machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216801801U true CN216801801U (en) | 2022-06-24 |
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ID=82046868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220634030.8U Active CN216801801U (en) | 2022-03-22 | 2022-03-22 | Tire mold pattern ring fine and deep hole machining machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216801801U (en) |
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2022
- 2022-03-22 CN CN202220634030.8U patent/CN216801801U/en active Active
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