CN211053259U - Double-output-shaft dividing head device - Google Patents
Double-output-shaft dividing head device Download PDFInfo
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- CN211053259U CN211053259U CN201922084841.6U CN201922084841U CN211053259U CN 211053259 U CN211053259 U CN 211053259U CN 201922084841 U CN201922084841 U CN 201922084841U CN 211053259 U CN211053259 U CN 211053259U
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Abstract
The utility model discloses a two play axle dividing head devices relates to lathe dividing head technical field, and it includes that base and rotating turret erect the main shaft on the base, still is provided with on the base and is used for driving main shaft pivoted drive arrangement, and drive arrangement includes step motor and band pulley mechanism, and step motor fixes on the base, and the transmission of band pulley mechanism is connected between main shaft and step motor's output shaft. The utility model has the advantages of the rotation of increase main shaft promotes the graduation efficiency to the work piece.
Description
Technical Field
The utility model belongs to the technical field of the lathe dividing head technique and specifically relates to a two axle dividing head devices that go out.
Background
The dividing head is a machine tool accessory which is arranged on a milling machine and used for dividing a workpiece into any equal parts, the workpiece clamped between a tip or a chuck is divided into any angle by using a dividing scale ring, a vernier, a positioning pin, an dividing disc and an exchange gear, the circumference can be divided into any equal parts, and the machine tool is assisted to process various grooves, spur gears, spiral spur gears, Archimedes spiral cams and the like by using cutters with various shapes.
The prior Chinese patent with publication number CN202447988U discloses a dividing head, which comprises a motor, a reducer, a two-dimensional turntable and a spindle seat, wherein the motor is connected with the reducer, the other end of the reducer is connected with the spindle seat, the two-dimensional turntable is sleeved on the spindle seat, the spindle seat is also provided with the dividing head, and the dividing head is respectively locked after rotating in the horizontal direction and the vertical direction through the two-dimensional turntable.
By adopting the scheme, the motor drives the speed reducer and drives the spindle seat to rotate, so that the workpiece is subjected to indexing operation. However, there is a room for improvement in that the rotational speed of the spindle stock of the index head is low through the reduction by the speed reducer, resulting in low indexing efficiency of the index head.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims to provide a two dividing head devices that go out axle drives the main shaft with the help of step motor and band pulley mechanism and rotates to the rotation of increase main shaft promotes the graduation efficiency to the work piece.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a two play axle dividing head devices, includes that base and rotating turret establish the main shaft on the base, still be provided with on the base and be used for driving main shaft pivoted drive arrangement, drive arrangement includes step motor and band pulley mechanism, step motor fixes on the base, band pulley mechanism transmission is connected between main shaft and step motor's output shaft.
By adopting the technical scheme, in actual work, the stepping motor drives the belt wheel mechanism and drives the main shaft to rotate, so that the rotation of the main shaft is increased, and the indexing efficiency of workpieces is improved.
The utility model discloses further set up to: the base is provided with a mounting plate along the direction of the axis of the spindle perpendicular to the axis of the spindle in a sliding manner, a fixing part for detachably fixing the mounting plate is arranged on the base, and the stepping motor is fixed on the mounting plate.
Through adopting above-mentioned technical scheme, in the in-service use, the staff can slide the mounting panel, tensioning band pulley mechanism to fix the step motor on mounting panel and the mounting panel with the help of the mounting, help reducing the condition that band pulley mechanism skidded and take place.
The utility model discloses further set up to: the utility model discloses a fixing bolt, including mounting panel, waist type groove, fixing bolt's tip screw in base, waist type groove, fixing bolt's length direction has set up waist type groove on the mounting panel, the length direction in waist type groove is on a parallel with the slip direction of mounting panel, the mounting is fixing bolt, fixing bolt runs through waist type groove and with the cooperation of sliding in waist type groove, just fixing bolt's tip screw in base, the mounting panel presss from both sides tightly between fixing bolt's head.
Through adopting above-mentioned technical scheme, wear to establish waist type groove and with base screw-thread fit by fixing bolt to help guaranteeing the fixed stability of mounting panel on the base.
The utility model discloses further set up to: the waist-shaped grooves are at least two in parallel at intervals on the mounting plate, and the fixing bolts correspond to the waist-shaped grooves one to one.
Through adopting above-mentioned technical scheme, set up waist type groove into two to set up fixing bolt and waist type groove one-to-one, the condition that blocks the mounting panel and rotate on the base takes place, helps further guaranteeing the stability of mounting panel on the base.
The utility model discloses further set up to: the belt wheel mechanism comprises a first belt wheel, a second belt wheel and a closed belt, the first belt wheel is coaxially fixed on an output shaft of the stepping motor, the second belt wheel is coaxially fixed on the main shaft, the closed belt is wound on the first belt wheel and the second belt wheel, and the first belt wheel and the second belt wheel are both toothed belt wheels.
Through adopting above-mentioned technical scheme, all set up first band pulley and second band pulley into the profile of tooth band pulley, help reducing the condition emergence that closed belt skidded on first band pulley and second band pulley.
The utility model discloses further set up to: the second belt wheel is coaxially fixed in the middle of the main shaft, and mounting heads are arranged at two ends of the main shaft.
Through adopting above-mentioned technical scheme, all set up the installation head at the both ends of main shaft to the realization helps promoting the machining efficiency to the work piece to the synchronous graduation of two work pieces.
The utility model discloses further set up to: the middle part of main shaft is provided with axle sleeve type rotary encoder, axle sleeve type rotary encoder is worn to establish by the main shaft, just axle sleeve type rotary encoder is located the middle part position of main shaft, axle sleeve type rotary encoder fixes on the base.
By adopting the technical scheme, in actual work, the rotating speed of the main shaft is measured and fed back by means of the rotary encoder, and the observation and control operation of the rotating speed of the main shaft by workers are facilitated.
The utility model discloses further set up to: the brake disc is coaxially and fixedly arranged in the middle of the main shaft, the pneumatic brake is arranged on the base, and the brake disc and the pneumatic brake are matched to complete brake operation on the main shaft.
By adopting the technical scheme, the main shaft is braked by the cooperation of the pneumatic brake and the brake disc, so that the stability of the fixed workpiece is ensured.
The utility model discloses further set up to: the pneumatic brake passes through the bolt locking on the base, it is connected with the bearing to rotate between main shaft and the base, the main shaft is coaxial fixed with the inner circle of bearing, the brake disc is close to the coaxial shaping of one side of bearing and has the butt circle, the butt circle supports tightly at the inner circle of bearing, the main shaft sets up fixed cover at one side screw thread that the brake disc deviates from the bearing, the brake disc supports tightly between fixed cover and bearing inner circle.
By adopting the technical scheme, the brake disc is tightly abutted to the inner ring of the bearing by the abutting sleeve which is connected to the main shaft through threads, so that the stability of the brake disc on the main shaft is ensured, and the replacement operation of the mountain bike disc on the main shaft by workers is facilitated.
The utility model discloses further set up to: and the brake disc is connected with the main shaft through a key.
Through adopting above-mentioned technical scheme, with passing through the key-type connection between brake disc and the main shaft, help further guaranteeing the stability of brake disc on the main shaft.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the main shaft is driven to rotate by the aid of the stepping motor and the belt wheel mechanism, so that the rotation of the main shaft is increased, and the indexing efficiency of workpieces is improved;
(2) the mounting plate and the stepping motor are far away from the main shaft tensioning belt pulley mechanism, and the first belt pulley and the second belt pulley are arranged to be tooth-shaped belt pulleys, so that the occurrence of the situation that a closed belt slips on the first belt pulley and the second belt pulley is greatly reduced;
(3) the brake disc is tightly abutted to the bearing by comprehensively utilizing the abutting ring, and the brake disc is connected with the main shaft through a key, so that the stability of the brake disc on the main shaft is greatly ensured.
Drawings
Fig. 1 is an axial view of the double-output-shaft index head device according to the present embodiment;
FIG. 2 is a schematic view of the present embodiment mainly showing the structure of the stepping motor and the braking device;
fig. 3 is a schematic view of the present embodiment mainly showing the structure of the fixing sleeve and the bearing;
fig. 4 is a schematic view of the present embodiment mainly showing the structure of the abutment ring.
Reference numerals: 1. a base; 2. a main shaft; 21. a mounting head; 22. a sleeve-type rotary encoder; 3. a drive device; 31. a stepping motor; 32. a pulley mechanism; 321. a first pulley; 322. a second pulley; 323. closing the belt; 4. a brake device; 41. a brake disc; 411. a butting ring; 42. a pneumatic brake; 5. mounting a plate; 51. a waist-shaped groove; 52. fixing the bolt; 6. a bearing; 7. and (4) fixing sleeves.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Example (b):
referring to fig. 1 and 2, the double-output-shaft dividing head device includes a base 1 and a main shaft 2 horizontally rotating and erected on the base 1, mounting heads 21 are integrally formed at two ends of the main shaft 2, a driving device 3 for driving the main shaft 2 to rotate is further arranged on the base 1, and a braking device 4 for braking the main shaft 2 is further arranged on the base 1. In actual work, a worker can mount the clamping mechanism on the mounting head 21 and clamp a workpiece on the clamping mechanism; then, the main shaft 2 is driven to rotate by the driving device 3, so that the workpiece is subjected to indexing operation; when the workpiece needs to be stopped being indexed, the worker can shut down the driving device 3 and brake the spindle 2 by means of the braking device 4.
The driving device 3 includes a stepping motor 31 and a pulley mechanism 32. The stepping motor 31 is fixed to the mounting plate 5, and the axis of the output shaft of the stepping motor 31 is parallel to the axis of the spindle 2. The belt wheel mechanism 32 includes a first belt wheel 321, a second belt wheel 322 and a closed belt 323, the first belt wheel 321 is coaxially fixed on the output shaft of the stepping motor 31, the second belt wheel 322 is coaxially fixed at the middle position of the spindle 2, the closed belt 323 is wound on the first belt wheel 321 and the second belt wheel 322, and the first belt wheel 321 and the second belt wheel 322 are both toothed belt wheels. In actual work, a worker can slide the mounting plate 5 downwards and fix the mounting plate 5 through the fixing bolt 52; then, the first pulley 321 is driven to rotate by the stepping motor 31, and the spindle 2 is driven to rotate via the belt and the second pulley 322.
The middle part of main shaft 2 is provided with axle sleeve type rotary encoder 22, and axle sleeve type rotary encoder 22 is worn to establish by main shaft 2, and axle sleeve type rotary encoder 22 is located the middle part position of main shaft 2, and axle sleeve type rotary encoder 22 fixes on base 1. In actual work, the rotating speed of the main shaft 2 is measured by the shaft sleeve type rotary encoder 22, which is beneficial to facilitating observation and control work of a worker on the rotating speed of the main shaft 2.
Referring to fig. 2 and 3, a bearing 6 is rotatably connected between the main shaft 2 and the base 1, and the main shaft 2 is coaxially fixed with an inner ring of the bearing 6. The brake device 4 comprises a brake disc 41 and a pneumatic brake 42, the main shaft 2 penetrates through the brake disc 41 and is in sliding fit with the brake disc 41, a butting ring 411 (see fig. 4) is coaxially formed on one side of the brake disc 41 close to the bearing 6, the butting ring 411 is butted against an inner ring of the bearing 6, a fixed sleeve 7 is arranged on the main shaft 2 at one side of the brake disc 41 departing from the bearing 6 through threads, and the brake disc 41 is butted between the fixed sleeve 7 and the inner ring of the bearing 6. The pneumatic brake 42 is locked on the base 1 through a bolt, and the brake disc 41 and the pneumatic brake 42 are matched to complete the braking operation of the main shaft 2. In order to further ensure the stability of the brake disc 41 on the main shaft 2, the brake disc 41 is connected with the main shaft 2 through a key. When the workpiece needs to be stopped being indexed, the worker can stop the stepping motor 31 and complete the braking operation of the spindle 2 by the cooperation of the brake disc 41 and the pneumatic brake 42.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a two axle dividing head devices, includes base (1) and main shaft (2) that the swivel mount established on base (1), still be provided with on base (1) and be used for driving main shaft (2) pivoted drive arrangement (3), its characterized in that, drive arrangement (3) include step motor (31) and band pulley mechanism (32), step motor (31) are fixed on base (1), band pulley mechanism (32) transmission is connected between the output shaft of main shaft (2) and step motor (31).
2. The double-output-shaft dividing head device according to claim 1, wherein the base (1) is slidably provided with a mounting plate (5) along a direction perpendicular to the axis of the main shaft (2), the base (1) is provided with a fixing member for detachably fixing the mounting plate (5), and the stepping motor (31) is fixed on the mounting plate (5).
3. The double-output-shaft dividing head device according to claim 2, wherein a waist-shaped groove (51) is formed in the mounting plate (5), the length direction of the waist-shaped groove (51) is parallel to the sliding direction of the mounting plate (5), the fixing member is a fixing bolt (52), the fixing bolt (52) penetrates through the waist-shaped groove (51) and is in sliding fit with the waist-shaped groove (51), the end part of the fixing bolt (52) is screwed into the base (1), and the mounting plate (5) is clamped between the head part of the fixing bolt (52) and the base (1).
4. A double-output-shaft index head device according to claim 3, wherein the waist-shaped grooves (51) are at least two arranged in parallel at intervals on the mounting plate (5), and the fixing bolts (52) correspond to the waist-shaped grooves (51) one by one.
5. A double-output-shaft index head device according to claim 1, wherein the pulley mechanism (32) comprises a first pulley (321), a second pulley (322) and a closing belt (323), the first pulley (321) is coaxially fixed on the output shaft of the stepping motor (31), the second pulley (322) is coaxially fixed on the main shaft (2), the closing belt (323) is wound on the first pulley (321) and the second pulley (322), and the first pulley (321) and the second pulley (322) are both toothed pulleys.
6. A double-output-shaft dividing head device according to claim 5, wherein the second belt wheel (322) is coaxially fixed in the middle of the main shaft (2), and both ends of the main shaft (2) are provided with mounting heads (21).
7. The double-output-shaft dividing head device according to claim 1, wherein a sleeve-type rotary encoder (22) is arranged in the middle of the main shaft (2), the main shaft (2) penetrates through the sleeve-type rotary encoder (22), the sleeve-type rotary encoder (22) is located in the middle of the main shaft (2), and the sleeve-type rotary encoder (22) is fixed on the base (1).
8. The double-output-shaft dividing head device according to claim 1, wherein a brake disc (41) is coaxially and fixedly arranged in the middle of the main shaft (2), a pneumatic brake (42) is arranged on the base (1), and the brake disc (41) and the pneumatic brake (42) are matched to complete the braking operation on the main shaft (2).
9. The double-output-shaft dividing head device according to claim 8, wherein the pneumatic brake (42) is locked on the base (1) through a bolt, the bearing (6) is rotatably connected between the main shaft (2) and the base (1), the main shaft (2) is coaxially fixed with the inner ring of the bearing (6), a butting ring (411) is coaxially formed on one side of the brake disc (41) close to the bearing (6), the butting ring (411) is butted against the inner ring of the bearing (6), a fixing sleeve (7) is arranged on the main shaft (2) in a threaded manner on one side of the brake disc (41) departing from the bearing (6), and the brake disc (41) is butted against the inner ring between the fixing sleeve (7) and the bearing (6).
10. A double-shaft index head device according to claim 9, wherein the brake disc (41) is keyed to the main shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922084841.6U CN211053259U (en) | 2019-11-27 | 2019-11-27 | Double-output-shaft dividing head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922084841.6U CN211053259U (en) | 2019-11-27 | 2019-11-27 | Double-output-shaft dividing head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211053259U true CN211053259U (en) | 2020-07-21 |
Family
ID=71593721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922084841.6U Active CN211053259U (en) | 2019-11-27 | 2019-11-27 | Double-output-shaft dividing head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211053259U (en) |
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2019
- 2019-11-27 CN CN201922084841.6U patent/CN211053259U/en active Active
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