CN202780656U - High-precision thread tapping machine - Google Patents
High-precision thread tapping machine Download PDFInfo
- Publication number
- CN202780656U CN202780656U CN 201220433646 CN201220433646U CN202780656U CN 202780656 U CN202780656 U CN 202780656U CN 201220433646 CN201220433646 CN 201220433646 CN 201220433646 U CN201220433646 U CN 201220433646U CN 202780656 U CN202780656 U CN 202780656U
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- CN
- China
- Prior art keywords
- tapping machine
- ball bearing
- gear
- high precision
- feed gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a high-precision thread tapping machine, belonging to the technical field of a tapping device. The high-precision thread tapping machine comprises a machine body, a shell and a belt box; a transmission shaft is arranged in the machine body and the shell in a penetrating manner; the transmission shaft is connected with a driven belt wheel arranged inside the belt box; the driven belt wheel is connected with a driving belt wheel through a belt; the driving belt wheel is connected with a servo motor arranged on the belt box; a spindle and a center rod which are mutually connected are sleeved outside the transmission shaft; the center rod is connected with a screw rod by arranging a screw rod bracket; one end of the screw rod is connected with a speed reducing and feeding gear; the speed reducing and feeding gear is engaged with a gear shaft; the gear shaft is fixedly connected with a first feeding gear; the first feeding gear is engaged with an inertia gear; the inertia gear is engaged with a second feeding gear; and the second feeding gear is connected with the transmission shaft. The tapping machine provided by the utility model has good repeating property, and is applicable to large-scale automatic mechanical machining.
Description
Technical field
The utility model belongs to the chasing bar technical field, is specifically related to a kind of high precision screw tapping machine.
Background technology
Tapping machine is the machining equipment that a kind of medial surface of hole of the part in the various through holes with different size such as parts housing, equipment end face, nut, ring flange or blind hole processes internal thread, screw or makes tooth buckle.Tapping machine of the prior art causes the amount of feeding of cutter to be difficult to accurate control, thereby causes the shortcomings such as machining accuracy is not high owing to the restriction of internal structure.
The utility model content
For the problem that prior art exists, the purpose of this utility model is to design the technical scheme that a kind of high precision screw tapping machine is provided.
Described a kind of high precision screw tapping machine, comprise body, housing and belt box, run through in described body and the housing power transmission shaft is set, described power transmission shaft is connected with driven pulley in being arranged on belt box, described driven pulley connects drive pulley by belt, described drive pulley is connected with servomotor on being arranged on belt box, it is characterized in that the outer socket of described power transmission shaft arranges interconnective main shaft and center-pole, the screw bracket connection wire rod of described center-pole by arranging, described screw mandrel one end connects the deceleration feed gear wheel, described deceleration feed gear wheel mesh gear shaft, described gear shaft is fixedly connected with the first feed gear wheel, described the first feed gear wheel engagement sloth wheel gear, described sloth wheel gear meshes the second feed gear wheel, described the second feed gear wheel connection for transmission axle.
Described a kind of high precision screw tapping machine, it is characterized in that described spindle jacket connects arranges collar bush, described collar bush and main shaft two ends arrange respectively thrust ball bearing and ball bearing, the front end face of described ball bearing and center-pole touches joins, cooperate between described thrust ball bearing and the ball bearing and be provided with retainer, the adjusting thrust nut that described thrust ball bearing arranged outside is fixing with thrust ball bearing, ball bearing and retainer, described adjusting thrust nut front end is equipped with ring oiler, and described ring oiler front end face flushes with the collar bush front end face.
Described a kind of high precision screw tapping machine is characterized in that being fixedly installed guide post in the described housing, and being slidingly matched on the described guide post arranges screw bracket.
Described a kind of high precision screw tapping machine is characterized in that described housing front end is fixedly installed the first limit switch and the second limit switch, and the housing rear end arranges the 3rd limit switch.
Described a kind of high precision screw tapping machine is characterized in that described screw bracket front end is fixedly installed positive stop and speed is switched block, and described screw bracket rear end is fixedly installed backstop.
Described a kind of high precision screw tapping machine is characterized in that being equipped with clutch between described screw mandrel and the deceleration feed gear wheel.
Described a kind of high precision screw tapping machine is characterized in that described sloth wheel gear is fixed in the belt box by the sloth wheel gear seat that arranges.
Above-mentioned a kind of high precision screw tapping machine, compact conformation, reasonable in design, utilize servo motor transmission, so that the power transmission shaft rotation, so that the main shaft that is fixed on the power transmission shaft rotates; Simultaneously, utilize servo motor transmission, so that screw mandrel seesaws, screw mandrel drives center-pole and seesaws, and it is elastic that center-pole promotes main shaft, thereby finish the high accuracy tapping.Tapping machine precision of the present utility model can reach 0.01mm, and tapping machine good reproducibility of the present utility model, is fit to extensive automated machine processing.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is polycrystalline substance schematic diagram of the present utility model;
Fig. 3 is partial structurtes schematic diagram in the belt box of the present utility model;
Fig. 4 is partial structurtes schematic diagram in the utility model housing.
Among the figure: the 1-ring oiler; 2-regulates thrust nut; The 3-body; The 4-collar bush; The 5-center-pole; The 6-mainshaft nut; The 7-thrust ball bearing; The 8-retainer; The 9-main shaft; The 10-housing; The 11-screw bracket; 12-deceleration feed gear wheel; 13-sloth wheel gear seat; The 14-sloth wheel gear; 15-the first feed gear wheel; The 16-gear shaft; The 17-belt; The 18-drive pulley; The 19-belt box; The 20-servomotor; 21-the first limit switch; 22-the second limit switch; The 23-positive stop; 24-speed is switched block; The 25-backstop; 26-the 3rd limit switch; The 27-screw mandrel; The 28-clutch; The 29-driven pulley; 30-the second feed gear wheel; The 31-power transmission shaft; The 32-ball bearing; The 33-guide post.
The specific embodiment
Further specify the utility model below in conjunction with Figure of description.
As shown in the figure, a kind of high precision screw tapping machine comprises body 3, housing 10 and belt box 19.Run through in body 2 and the housing 10 that power transmission shaft 31 being set, power transmission shaft 31 outer sockets arrange main shaft 9 and center-pole 5, and main shaft 9 is to be fixedly connected with power transmission shaft 31, and can before and after relative sliding, center-pole 5 is discontiguous with power transmission shaft 31.
Be fixedly installed guide post 33 in the housing 10, being slidingly matched on the guide post 33 is provided with screw bracket 11, and guide post 33 plays guide effect.Center-pole 5 is fixedly connected with screw bracket 11, and center-pole 5 is by screw bracket 11 connection wire rods 27.Guide post 33, center-pole 5 and screw mandrel 27 threes be arranged in parallel.Screw mandrel 27 rear ends connect clutch 28(screw tap when tapping and clamp vexed brill; clutch 28 skids; thereby protection screw tap; clutch 28 can not arrange yet), the clutch 28 deceleration feed gear wheel 12 that is threaded, deceleration feed gear wheel 12 mesh gear shafts 16; gear shaft 16 is fixedly connected with the first feed gear wheel 15; the first feed gear wheel 15 engagement sloth wheel gears 14, sloth wheel gear 14 engagements the second feed gear wheel 30, the second feed gear wheels 30 connection for transmission axles 31.Above-mentioned deceleration feed gear wheel 12, gear shaft 16, the first feed gear wheel 15, sloth wheel gear 14 and the second feed gear wheel 30 all arrange in the belt box 19, and sloth wheel gear 14 is to be fixed in the belt box 19 by sloth wheel gear seat 13.Therefore, under the transmission of servomotor 20, drive successively that drive pulley 18 rotations, belt 17 rotations, driven pulley 29 rotations, power transmission shaft 31 rotations, 30 rotations of the second feed gear wheel, sloth wheel gear 14 rotations, the first feed gear wheel 15, gear shaft 16 are rotated, deceleration feed gear wheel 12, thereby so that screw mandrel 27 seesaw.
In order accurately to be controlled at the position that main shaft 9 seesaws in the process, be fixedly installed the first limit switch 21 and the second limit switch 22 at housing 10 front ends, housing 10 rear ends arrange the 3rd limit switch 26.Be fixedly installed positive stop 23 and speed switching block 24 at screw bracket 11 front ends, screw bracket 11 rear ends are fixedly installed backstop 25.By block being used between the limit switch reached control system is sent back and forth instruction, thereby reach accurate control.
During work, the cutter on the main shaft 9 is divided into rotation and elastic two motion processes.
Rotary course is as follows: under the transmission of servomotor 20, drive successively that drive pulley 18 rotates, belt 17 rotates, driven pulley 29 rotates, power transmission shaft 31 rotates, main shaft 9 rotates, thereby so that the cutter that is arranged on the main shaft 9 rotate.
Elastic process is as follows: under the transmission of servomotor 20, drive successively drive pulley 18 rotations, belt 17 rotations, driven pulley 29 rotations, power transmission shaft 31 rotations, 30 rotations of the second feed gear wheel, sloth wheel gear 14 rotations, the first feed gear wheel 15, gear shaft 16 rotations, deceleration feed gear wheel 12, and so that screw mandrel 27 is elastic, it is elastic that screw mandrel 27 drives center-pole 5 by screw bracket 11, center-pole 5 is elastic, so that main shaft 9 is elastic.
Claims (7)
1. high precision screw tapping machine, comprise body (3), housing (10) and belt box (19), run through in described body (3) and the housing (10) power transmission shaft (31) is set, described power transmission shaft (31) is connected with driven pulley (29) in being arranged on belt box (19), described driven pulley (29) connects drive pulley (18) by belt (17), described drive pulley (18) is connected with servomotor (20) on being arranged on belt box (19), it is characterized in that the outer socket of described power transmission shaft (31) arranges interconnective main shaft (9) and center-pole (5), screw bracket (11) connection wire rod (27) of described center-pole (5) by arranging, described screw mandrel (27) one ends connect deceleration feed gear wheel (12), described deceleration feed gear wheel (12) mesh gear shaft (16), described gear shaft (16) is fixedly connected with the first feed gear wheel (15), described the first feed gear wheel (15) engagement sloth wheel gear (14), described sloth wheel gear (14) engagement the second feed gear wheel (30), described the second feed gear wheel (30) connection for transmission axle (31).
2. a kind of high precision screw tapping machine as claimed in claim 1, it is characterized in that the outer socket of described main shaft (9) arranges collar bush (4), described collar bush (4) arranges respectively thrust ball bearing (7) and ball bearing (32) with main shaft (9) two ends, described ball bearing (32) is joined with the front end face of center-pole (5) is tactile, cooperate between described thrust ball bearing (7) and the ball bearing (32) and be provided with retainer (8), described thrust ball bearing (7) arranged outside is with thrust ball bearing (7), the adjusting thrust nut (2) that ball bearing (32) and retainer (8) are fixing, described adjusting thrust nut (2) front end is equipped with ring oiler (1), and described ring oiler (1) front end face flushes with collar bush (4) front end face.
3. a kind of high precision screw tapping machine as claimed in claim 1 is characterized in that being fixedly installed guide post (33) in the described housing (10), and being slidingly matched on the described guide post (33) arranges screw bracket (11).
4. a kind of high precision screw tapping machine as claimed in claim 1 is characterized in that described housing (10) front end is fixedly installed the first limit switch (21) and the second limit switch (22), and housing (10) rear end arranges the 3rd limit switch (26).
5. a kind of high precision screw tapping machine as claimed in claim 1 is characterized in that described screw bracket (11) front end is fixedly installed positive stop (23) and speed is switched block (24), and described screw bracket (11) rear end is fixedly installed backstop (25).
6. a kind of high precision screw tapping machine as claimed in claim 1 is characterized in that being equipped with clutch (28) between described screw mandrel (27) and the deceleration feed gear wheel (12).
7. a kind of high precision screw tapping machine as claimed in claim 1 is characterized in that described sloth wheel gear (14) is fixed in the belt box (19) by the sloth wheel gear seat (13) that arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433646 CN202780656U (en) | 2012-08-29 | 2012-08-29 | High-precision thread tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433646 CN202780656U (en) | 2012-08-29 | 2012-08-29 | High-precision thread tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202780656U true CN202780656U (en) | 2013-03-13 |
Family
ID=47807994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220433646 Expired - Fee Related CN202780656U (en) | 2012-08-29 | 2012-08-29 | High-precision thread tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202780656U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794512A (en) * | 2012-08-29 | 2012-11-28 | 詹高峰 | High-precision thread tapping machine |
| CN109630675A (en) * | 2017-03-31 | 2019-04-16 | 法可赛(太仓)汽车配件有限公司 | Shift actuator |
-
2012
- 2012-08-29 CN CN 201220433646 patent/CN202780656U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794512A (en) * | 2012-08-29 | 2012-11-28 | 詹高峰 | High-precision thread tapping machine |
| CN109630675A (en) * | 2017-03-31 | 2019-04-16 | 法可赛(太仓)汽车配件有限公司 | Shift actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |