CN211539602U - Positioning drilling rotating table - Google Patents
Positioning drilling rotating table Download PDFInfo
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- CN211539602U CN211539602U CN201922417170.0U CN201922417170U CN211539602U CN 211539602 U CN211539602 U CN 211539602U CN 201922417170 U CN201922417170 U CN 201922417170U CN 211539602 U CN211539602 U CN 211539602U
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Abstract
The utility model relates to the field of motor drilling tool structures, in particular to a positioning drilling rotary table; comprises a base, a rotary table and an end cover positioning device; the rotary table comprises a driving mechanism, a main shaft, a ratchet wheel and a rotary table; the base comprises a base and a bearing seat arranged on the upper part of the base; the drilling machine realizes multiple times of drilling by one-time clamping, and avoids deviation of drilling position precision caused by multiple times of end cover dismounting; the original single mechanical operation is replaced by the rotary table, so that the drilling process is more convenient, the processing time of drilling on the flange surface of one end cover is greatly shortened, and the production efficiency is improved; the designed quadripartion rotary table can accurately realize the drilling of four uniformly distributed holes on the same circumference; the structure of this design is vertical distribution, and every part simple structure is convenient for subsequent maintenance.
Description
Technical Field
The utility model relates to a motor drilling frock structure field, in particular to location drilling revolving stage.
Background
Four or six or eight holes are generally designed on the stainless steel motor end cover and are distributed on the flange end face of the end cover in an evenly distributed mode, and the stainless steel motor end cover is used when the motor is in threaded connection with a working machine. During drilling, single mechanical action and long-time operation are needed, time and labor are consumed, and the processing of flange face holes uniformly distributed on a flange face needs to have high technological requirements, so that a user can be guaranteed to assemble the motor on a working machine well. For a stainless steel motor end cover with a plurality of holes uniformly distributed, the existing tooling equipment generally has the following defects: most of the methods only realize the positioning and clamping of the end cover during drilling, and do not well solve the problems that the position precision of the drilling is deviated and the process quality is poor due to the fact that the workpiece needs to be repeatedly disassembled and assembled after one-time clamping and multiple drilling; the operation is complex, the installation is difficult, and the production efficiency in the practical production application is not high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the positioning drilling rotating table can realize one-time clamping and multiple drilling.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a positioning drilling rotary table comprises a base, a rotary table and an end cover positioning device;
the rotary table comprises a driving mechanism, a main shaft, a ratchet wheel and a rotary table;
the base comprises a base and a bearing seat arranged on the upper part of the base;
the main shaft is vertically connected to the bearing seat through a bearing, the ratchet wheel is coaxially connected to the main shaft, and the turntable is coaxially connected to the upper end of the main shaft; the driving mechanism is used for driving the main shaft to rotate;
the base is hinged with a pawl, and the pawl is matched with the ratchet wheel;
the end cover positioning device comprises a positioning seat coaxially arranged at the upper end of the turntable, and the positioning seat is used for positioning and installing the motor end cover to be drilled.
The positioning seat comprises a movable positioning pin, the movable positioning pin comprises a pin seat, a spring and a positioning pin body, the pin seat is fixed on the turntable, the positioning pin body is telescopically connected to the pin seat through the spring, the axial direction of the positioning pin body is parallel to the radial direction of the main shaft, so that when the motor end cover is fixed on the positioning seat, the positioning part of the positioning pin body is in clearance fit with the water drain hole of the motor end cover.
The end cover positioning device comprises a positioning rod and a drill bushing, the positioning rod is L-shaped and comprises a transverse rod and a vertical rod which is perpendicularly connected to the transverse rod, the transverse rod is fixed on a rotary table, the drill bushing comprises a positioning disc, through holes which correspond to flange face holes of the motor end cover to be drilled in a one-to-one mode are formed in the positioning disc, and positioning holes which are in clearance fit with the vertical rod are formed in the positioning disc.
The driving mechanism comprises a worm and a worm wheel, the worm wheel is coaxially sleeved on the main shaft, the worm is horizontally connected to the base, and the worm is in transmission connection with the worm wheel.
Wherein, the end of the worm is connected with a hand wheel.
The device comprises a pressure plate, a pressure plate ejector rod, a pressure plate body, a pneumatic pressing mechanism and a control mechanism, wherein the pressure plate ejector rod is arranged on the pressure plate body;
the horizontal guide rail sets up on the base, slide sliding connection is in horizontal guide rail, the cylinder body of horizontal cylinder is fixed in the slide, the piston rod of horizontal cylinder body passes through connecting piece fixed connection in base, the lower extreme of vertical cylinder is connected in the base, the pressure arm is connected in the upper end of vertical cylinder, the pressure disk ejector pin is connected in the pressure arm vertically, pressure disk body rotationally connects in pressure disk ejector pin lower extreme.
Wherein the vertical cylinder is a double-shaft cylinder.
Wherein, the shape of pressure disk body is the cross.
Wherein, the number of teeth of the ratchet wheel is 4.
The beneficial effects of the utility model reside in that: the utility model provides a location drilling revolving stage structure has realized once clamping and has drilled a lot of, avoids the deviation of drilling position precision that many times dismouting end cover arouses; the original single mechanical operation is replaced by the rotary table, so that the drilling process is more convenient, the processing time of drilling on the flange surface of one end cover is greatly shortened, and the production efficiency is improved; the designed quadripartion rotary table can accurately realize the drilling of four uniformly distributed holes on the same circumference; the structure of this design is vertical distribution, and every part simple structure is convenient for subsequent maintenance.
Drawings
Fig. 1 is a schematic structural view of a positioning and drilling rotary table according to an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of a positioning drilling rotary table according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of section E of FIG. 2;
description of reference numerals:
1. a base; 11. a base; 12. a bearing seat; 13. a pawl; 2. a turntable; 21. a drive mechanism; 211. a worm; 212. a worm gear; 213. a hand wheel; 22. a main shaft; 23. a ratchet wheel; 24. a turntable; 3. an end cap positioning device; 31. positioning seats; 311. a movable positioning pin; 3111. a pin boss; 3112. a spring; 3113. a locating pin body; 32. positioning a rod; 33. drilling a sleeve; 331. a through hole; 4. a pneumatic hold-down mechanism; 41. a horizontal cylinder; 42. a horizontal guide rail; 43. a slide base; 44. a vertical cylinder; 45. a pressure arm; 46. a pressure plate ejector rod; 47. a platen body; 5. and a motor end cover.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: through set up carousel and ratchet pawl mechanism on the workstation, realized a clamping and many times drilling, avoided the deviation of drilling position precision that dismouting end cover arouses many times.
Referring to fig. 1 to 3, the present invention relates to a positioning drilling rotary table, which comprises a base 1, a rotary table 2 and an end cover positioning device 3;
the turntable 2 comprises a driving mechanism 21, a main shaft 22, a ratchet wheel 23 and a turntable 24;
the base 1 comprises a base 11 and a bearing seat 12 arranged on the upper part of the base 11;
the main shaft 22 is vertically connected to the bearing seat 12 through a bearing, the ratchet wheel 23 is coaxially connected to the main shaft 22, and the rotary table 24 is coaxially connected to the upper end of the main shaft 22; the driving mechanism 21 is used for driving the main shaft 22 to rotate;
the base 1 is hinged with a pawl 13, and the pawl 13 is matched with a ratchet wheel 23;
the end cover positioning device 3 comprises a positioning seat 31 coaxially arranged at the upper end of the turntable 24, and the positioning seat 31 is used for positioning and installing the motor end cover 5 to be drilled.
In the above-mentioned location drilling revolving stage structure, through location installation motor end cover 5 on revolving stage 2, make the flange face of motor end cover 5 up, rotate through drive main shaft 22, drive carousel 24 and rotate, thereby make the motor end cover 5 who connects rotate, for example, need bore and establish 4 flange face holes, ratchet 23 designs for four-tooth equipartition, when main shaft 22 corotation, pawl 13 is drawn on ratchet 23, carousel 24 realizes rotating, when main shaft 22 corotation to pawl 13 supports ratchet 23 tooth bottom, main shaft 22 stops rotating, carousel 24 does not change, through the cooperation of rotatory main shaft 22 corotation and reversal, realize the accurate four-division rotation of carousel 24.
The positioning drilling rotating table structure realizes multiple times of drilling by one-time clamping, and avoids deviation of drilling position precision caused by multiple times of end cover dismounting; the original single mechanical operation is replaced by the rotary table 2, so that the drilling process is more convenient, the processing time of drilling on the flange surface of one end cover is greatly shortened, and the production efficiency is improved; the designed quadripartion rotary table 2 can accurately realize the drilling of four uniformly distributed holes on the same circumference; the structure of this design is vertical distribution, and every part simple structure is convenient for subsequent maintenance.
Further, in the above structure of the positioning and drilling rotary table, the positioning seat 31 includes a movable positioning pin 311, the movable positioning pin 311 includes a pin seat 3111, a spring 3112 and a positioning pin body 3113, the pin seat 3111 is fixed to the turntable 24, the positioning pin body 3113 is telescopically connected to the pin seat 3111 through the spring 3112, an axial direction of the positioning pin body 3113 is parallel to a radial direction of the spindle 22, so that when the motor end cover 5 is fixed to the positioning seat 31, a positioning portion of the positioning pin body 3113 is in clearance fit with a water drain hole of the motor end cover 5.
As can be seen from the above description, when the motor end cover 5 is installed on the positioning seat 31, the movable positioning pin 311 is matched with the drainage hole on the side of the motor end cover 5, so that the motor end cover 5 is further accurately positioned.
Further, in the revolving stage structure of above-mentioned location drilling, end cover positioner 3 still includes locating lever 32 and drill bushing 33, the shape of locating lever 32 is L shape, locating lever 32 includes the horizontal pole and connects perpendicularly in the montant of horizontal pole, the horizontal pole is fixed in carousel 24, drill bushing 33 includes the positioning disk, be equipped with on the positioning disk and wait to bore the through-hole 331 that 5 flange face holes one-to-one of motor end cover established, the positioning disk be equipped with montant clearance fit's locating hole.
Further, in the above-mentioned revolving stage structure of location drilling, actuating mechanism 21 includes worm 211 and worm wheel 212, worm wheel 212 is coaxial to be cup jointed in main shaft 22, worm 211 connects in base 1 horizontally, worm 211 is connected with worm wheel 212 transmission.
As can be seen from the above description, the main shaft 22 is driven to rotate by the worm wheel 212 and the worm 211, and the rotation of the rotary table 24 in a precise indexing manner can be realized due to the self-locking characteristic of the transmission mode of the worm wheel 212 and the worm 211.
Furthermore, in the structure of the positioning, drilling and rotating table, a hand wheel 213 is connected to an end of the worm 211.
As can be seen from the above description, the worm 211 can be rotated by manually rotating the hand wheel 213, thereby rotating the worm wheel 212.
Further, the positioning, drilling and rotating table structure further comprises a pneumatic pressing mechanism 4, wherein the pressing mechanism comprises a horizontal cylinder 41, a horizontal guide rail 42, a sliding seat 43, a vertical cylinder 44, a pressure arm 45, a pressure plate ejector rod 46 and a pressure plate body 47;
As can be seen from the above description, the position of the pressure plate body 47 is adjusted by the horizontal cylinder 41 and the vertical cylinder 44, so that the pressure plate body 47 can be tightly pressed on the upper part of the drill bushing 33 during drilling, and the pressure plate body 47 can rotate together with the motor end cover 5.
Further, in the above positioning, drilling and rotating table structure, the vertical cylinder 44 is a double-shaft cylinder.
Further, in the above positioning, drilling and rotating table structure, the pressure plate body 47 is cross-shaped.
Furthermore, in the above structure of the positioning, drilling and rotating table, the number of the ratchet wheels 23 is 4.
Example 1
A positioning drilling rotary table comprises a base 1, a rotary table 2 and an end cover positioning device 3; the turntable 2 comprises a driving mechanism 21, a main shaft 22, a ratchet wheel 23 and a turntable 24; the base 1 comprises a base 11 and a bearing seat 12 arranged on the upper part of the base 11; the main shaft 22 is vertically connected to the bearing seat 12 through a bearing, the ratchet wheel 23 is coaxially connected to the main shaft 22, and the rotary table 24 is coaxially connected to the upper end of the main shaft 22; the driving mechanism 21 is used for driving the main shaft 22 to rotate; the base 1 is hinged with a pawl 13, and the pawl 13 is matched with a ratchet wheel 23; the end cover positioning device 3 comprises a positioning seat 31 coaxially arranged at the upper end of the turntable 24, and the positioning seat 31 is used for positioning and installing the motor end cover 5 to be drilled. The motor end cover 5 is positioned and installed on the rotary table 2, so that the flange face of the motor end cover 5 faces upwards, the main shaft 22 is driven to rotate, the rotary table 24 is driven to rotate, the connected motor end cover 5 is rotated, for example, 4 flange face holes need to be drilled, the ratchet wheel 23 is designed to be uniformly distributed with four teeth, when the main shaft 22 rotates forwards, the pawl 13 passes through the ratchet wheel 23, the rotary table 24 rotates, when the main shaft 22 rotates backwards to enable the pawl 13 to abut against the tooth bottom of the ratchet wheel 23, the main shaft 22 stops rotating, the rotary table 24 does not rotate, and accurate four-part rotation of the rotary table 24 is achieved through matching of forward rotation and reverse rotation of the rotary main shaft 22. The positioning drilling rotating table structure realizes multiple times of drilling by one-time clamping, and avoids deviation of drilling position precision caused by multiple times of end cover dismounting; the original single mechanical operation is replaced by the rotary table 2, so that the drilling process is more convenient, the processing time of drilling on the flange surface of one end cover is greatly shortened, and the production efficiency is improved; the designed quadripartion rotary table 2 can accurately realize the drilling of four uniformly distributed holes on the same circumference; the structure of this design is vertical distribution, and every part simple structure is convenient for subsequent maintenance.
The positioning seat 31 includes a movable positioning pin 311, the movable positioning pin 311 includes a pin seat 3111, a spring 3112 and a positioning pin body 3113, the pin seat 3111 is fixed to the turntable 24, the positioning pin body 3113 is telescopically connected to the pin seat 3111 through the spring 3112, an axial direction of the positioning pin body 3113 is parallel to a radial direction of the spindle 22, so that when the motor end cover 5 is fixed to the positioning seat 31, a positioning portion of the positioning pin body 3113 is in clearance fit with a water drainage hole of the motor end cover 5. When the motor end cover 5 is installed on the positioning seat 31, the movable positioning pin 311 is matched with the drainage hole at the side of the motor end cover 5, so that the motor end cover 5 is further accurately positioned. The end cover positioning device 3 further comprises a positioning rod 32 and a drill bushing 33, the positioning rod 32 is L-shaped, the positioning rod 32 comprises a transverse rod and a vertical rod vertically connected to the transverse rod, the transverse rod is fixed on the rotary table 24, the drill bushing 33 comprises a positioning disc, through holes 331 which correspond to flange face holes of the motor end cover 5 to be drilled one by one are formed in the positioning disc, and positioning holes which are in clearance fit with the vertical rods are formed in the positioning disc. The driving mechanism 21 comprises a worm 211 and a worm wheel 212, the worm wheel 212 is coaxially sleeved on the main shaft 22, the worm 211 is horizontally connected to the base 1, and the worm 211 is in transmission connection with the worm wheel 212. The main shaft 22 is driven to rotate by the worm wheel 212 and worm 211 mechanism, and the rotating disc 24 can rotate in a precise indexing way due to the self-locking characteristic of the transmission mode of the worm wheel 212 and worm 211. The end of the worm 211 is connected with a hand wheel 213. The worm 211 can be rotated by manually turning the hand wheel 213, thereby rotating the worm wheel 212. The positioning drilling rotating platform further comprises a pneumatic pressing mechanism 4, wherein the pressing mechanism comprises a horizontal cylinder 41, a horizontal guide rail 42, a sliding seat 43, a vertical cylinder 44, a pressure arm 45, a pressure plate ejector rod 46 and a pressure plate body 47; horizontal guide rail 42 sets up on base 11, slide 43 sliding connection is in horizontal guide rail 42, the cylinder body of horizontal cylinder 41 is fixed in slide 43, the piston rod of horizontal cylinder body passes through connecting piece fixed connection in base 11, the lower extreme of vertical cylinder 44 is connected in base 11, pressure arm 45 is connected in the upper end of vertical cylinder 44, pressure disk ejector pin 46 is connected vertically in pressure arm 45, pressure disk body 47 rotationally connects in pressure disk ejector pin 46 lower extreme. The position of the pressure plate body 47 is adjusted through the horizontal cylinder 41 and the vertical cylinder 44, so that the pressure plate body 47 can be tightly pressed on the upper part of the drill bushing 33 during drilling, and the pressure plate body 47 can rotate along with the motor end cover 5. The vertical cylinder 44 is a two-axis cylinder. The platen body 47 is cross-shaped. The number of the ratchet wheels 23 is 4.
To sum up, the utility model provides an among the location drilling revolving stage structure, the positioning seat includes movable positioning pin, movable positioning pin includes key seat, spring and locating pin body, the key seat is fixed in the carousel, the locating pin body passes through the spring telescopically to be connected in the key seat, the axial of locating pin body is radially parallel with the main shaft for when the motor end cover is fixed at the positioning seat, the wash port clearance fit of the location portion of locating pin body and motor end cover. The drilling machine realizes multiple times of drilling by one-time clamping, and avoids deviation of drilling position precision caused by multiple times of end cover dismounting; the original single mechanical operation is replaced by the rotary table, so that the drilling process is more convenient, the processing time of drilling on the flange surface of one end cover is greatly shortened, and the production efficiency is improved; the designed quadripartion rotary table can accurately realize the drilling of four uniformly distributed holes on the same circumference; the structure of this design is vertical distribution, and every part simple structure is convenient for subsequent maintenance. The main shaft is driven to rotate through the worm gear mechanism, and the accurate fractional rotation of the turntable can be realized due to the self-locking characteristic of the worm gear transmission mode.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. A positioning drilling rotary table is characterized by comprising a base, a rotary table and an end cover positioning device;
the rotary table comprises a driving mechanism, a main shaft, a ratchet wheel and a rotary table;
the base comprises a base and a bearing seat arranged on the upper part of the base;
the main shaft is vertically connected to the bearing seat through a bearing, the ratchet wheel is coaxially connected to the main shaft, and the turntable is coaxially connected to the upper end of the main shaft; the driving mechanism is used for driving the main shaft to rotate;
the base is hinged with a pawl, and the pawl is matched with the ratchet wheel;
the end cover positioning device comprises a positioning seat coaxially arranged at the upper end of the turntable, and the positioning seat is used for positioning and installing the motor end cover to be drilled.
2. The rotary table for positioning and drilling according to claim 1, wherein the positioning seat comprises a movable positioning pin, the movable positioning pin comprises a pin seat, a spring and a positioning pin body, the pin seat is fixed on the rotary table, the positioning pin body is telescopically connected to the pin seat through the spring, and the axial direction of the positioning pin body is parallel to the radial direction of the spindle, so that when the motor end cover is fixed on the positioning seat, the positioning part of the positioning pin body is in clearance fit with the water drainage hole of the motor end cover.
3. The rotary table for positioning and drilling according to claim 2, wherein the end cap positioning device further comprises a positioning rod and a drill bushing, the positioning rod is L-shaped, the positioning rod comprises a cross rod and a vertical rod vertically connected to the cross rod, the cross rod is fixed on the rotary table, the drill bushing comprises a positioning disc, through holes corresponding to flange face holes of the end cap of the motor to be drilled are formed in the positioning disc in a one-to-one mode, and positioning holes in clearance fit with the vertical rod are formed in the positioning disc.
4. The rotary table according to claim 1, wherein the driving mechanism comprises a worm and a worm wheel, the worm wheel is coaxially sleeved on the main shaft, the worm is horizontally connected to the base, and the worm is in transmission connection with the worm wheel.
5. A positioning and drilling rotary table as claimed in claim 4, wherein a hand wheel is connected to the end of the worm.
6. The positioning and drilling rotary table according to claim 3, further comprising a pneumatic hold-down mechanism, wherein the hold-down mechanism comprises a horizontal cylinder, a horizontal guide rail, a slide, a vertical cylinder, a pressure arm, a platen ejector rod and a platen body;
the horizontal guide rail sets up on the base, slide sliding connection is in horizontal guide rail, the cylinder body of horizontal cylinder is fixed in the slide, the piston rod of horizontal cylinder passes through connecting piece fixed connection in base, the lower extreme of vertical cylinder is connected in the base, the pressure arm is connected in the upper end of vertical cylinder, the pressure disk ejector pin is connected in the pressure arm vertically, pressure disk body rotationally connects in pressure disk ejector pin lower extreme.
7. The rotary table according to claim 6, wherein the vertical cylinder is a two-axis cylinder.
8. The table of claim 6, wherein the platen body is cross-shaped.
9. The rotary table according to claim 1, wherein the number of the ratchet wheels is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922417170.0U CN211539602U (en) | 2019-12-27 | 2019-12-27 | Positioning drilling rotating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922417170.0U CN211539602U (en) | 2019-12-27 | 2019-12-27 | Positioning drilling rotating table |
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| Publication Number | Publication Date |
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| CN211539602U true CN211539602U (en) | 2020-09-22 |
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| CN201922417170.0U Active CN211539602U (en) | 2019-12-27 | 2019-12-27 | Positioning drilling rotating table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014783A (en) * | 2019-12-27 | 2020-04-17 | 福建惠丰电机有限公司 | Positioning drilling rotating table |
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2019
- 2019-12-27 CN CN201922417170.0U patent/CN211539602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014783A (en) * | 2019-12-27 | 2020-04-17 | 福建惠丰电机有限公司 | Positioning drilling rotating table |
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