CN2606654Y - Constant pitch bench tapping machine - Google Patents
Constant pitch bench tapping machine Download PDFInfo
- Publication number
- CN2606654Y CN2606654Y CN 03239141 CN03239141U CN2606654Y CN 2606654 Y CN2606654 Y CN 2606654Y CN 03239141 CN03239141 CN 03239141 CN 03239141 U CN03239141 U CN 03239141U CN 2606654 Y CN2606654 Y CN 2606654Y
- Authority
- CN
- China
- Prior art keywords
- tapping
- nut
- main shaft
- pitch
- guide rod
- 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
A constant pitch bench tapping machine belongs to mechanical processing device technical field, which aims to solve the drawbacks of manual tapping and incapability of repeated tapping of the prior bench tapping machine. The utility model comprises a main shaft case, wherein, the main shaft case comprises a driving wheel, a main shaft, a gear shaft, two limit switches, an appliance box and a support frame, wherein, a sleeve and a driven wheel are arranged on the main shaft. The sleeve is joggled with the gear shaft. A depth position loop and a scale plate are arranged on the end of the gear shaft to control the depth of tapping and connected with the limit switch. A pitch guiding pole device is arranged on the support frame, which comprises a guiding pole and a nut, wherein, the guiding pole is arranged on the main shaft and the nut is arranged on the support frame. The guiding pole and the nut match with each other by screw. The pitch of the guiding pole and the nut is equal with that of the processing part tapping. The machine can feed tapping by the pitch guiding pole device automatically. Even the same hole is repeatedly tapped, the tooth can not be broken. The utility model is of simple structure, the cost of which is close to that of the prior bench tapping machine.
Description
Technical field:
The utility model belongs to the machining equipment technical field, relates to a kind of bench tapping machine.
Background technology:
Existing bench tapping machine, the overwhelming majority adopts the feeding handle on the manual operation gear shaft, realizes the axis feeding tapping by the tooth bar on the gear driven rack sleeve on the gear shaft, so labour intensity is big, production efficiency is low, can not adapt to batch process; And manual operation feeding handle, the amount of feeding of tapping is grasped with operator's sensation, so the thread surface roughness of the part to be processed that occurs now and then is inconsistent, even the generation screw thread breaks quality problems such as tooth.
Prior art also has the automatic tapping machine that adopts geared feed, but the structure more complicated, the manufacturing cost height, because of the price height not susceptible to user acceptance.
The utility model content:
At the above-mentioned disadvantage that existing bench tapping machine exists, the utility model one is the auto-feed tapping problem that will solve bench tapping machine; The 2nd, guarantee the tapping precision, can not break tooth even repeat tapping yet; The 3rd, it is simple that structure is wanted, and making improvements design on existing bench tapping machine can achieve the above object, and makes its cost can be approaching with existing bench tapping machine.
The utility model is achieved through the following technical solutions: a kind of desk-top uniform pitch tapping machine, comprise main spindle box, main spindle box is equipped with driving wheel, main shaft, gear shaft, two limit switches, the electrical equipment box, support, sleeve and driven pulley are housed on the main shaft, rack and pinion axle engagement on the sleeve, the gear shaft end is equipped with depthkeeping circle and dial, the depthkeeping circle, dial is provided with the briquetting of the control tapping degree of depth, press two limit switch actions of control respectively, the electrical equipment box is connected with floor push with two limit switches, its main points are to be equipped with on the support pitch guiding device, pitch guiding device is by guide rod, nut is formed, and guide rod is installed on the main shaft, and nut is rack-mount, guide rod and nut are threaded engagement, the guide rod of installation, its pitch of nut is identical with the pitch of tapping processing parts.
Guide rod is installed in one of structure on the main shaft to be guide rod by packing ring and to be bolted on the main shaft, and the key of transferring power is housed between main shaft and the guide rod.
The desk-top uniform pitch tapping machine of said structure is equipped with the guide rod cover on the nut, nut is by being bolted on the support.
Operation sequence of the present utility model, tapping process are as follows:
The one way tapping: according to the screw pitch requirement of processing parts, the screw tap of installation identical pitch and guide rod, nut are regulated the scale that dial forwards the required tapping degree of depth to, and the change-over switch on the electrical equipment box is pushed the one way position.Open power switch and one way starting switch on the electrical equipment box, this moment, motor just changeed, main shaft also just changes thereupon, because guide rod is by being bolted on the main shaft, so guide rod just changes thereupon, because be fixed on support on the guide rod nut engaged this moment,, carry out the tapping feeding so guide rod can only drive main shaft and sleeve moves downward.Sleeve moves downward, tooth bar on it also moves downward, thereby driven gear axle, dial, depthkeeping circle rotate, after screw tap arrives the predetermined tapping degree of depth, briquetting on the dial presses the action of control limit switch, motor reverses immediately, main shaft is counter-rotating thereupon also, main shaft and sleeve move upward, and sleeve and top tooth bar move upward, and gear shaft and depthkeeping circle are rotated thereupon round about, when sleeve rises to the extreme higher position, briquetting on the depthkeeping circle presses the action of another limit switch, and main shaft stops operating, and finishes an one way tapping.
Tapping continuously: the change-over switch on the electrical equipment box is pushed continuous position, open the power switch on the electrical equipment box, motor just changes, and main shaft just changes thereupon, and following operation program is same as described above.When on the sleeve during to the extreme higher position, the briquetting on the depthkeeping circle presses the action of control limit switch, and motor recovers just to change immediately, realizes continuously circulating tapping.
The floor push protection: in tapping process, being in an emergency maybe to stop the tapping operation, as long as step on floor push, main shaft reverses immediately with motor and withdraws from tapping.
From above structure and operation sequence, tapping process as can be seen, the utlity model has the function of auto-feed tapping, because guide rod, nut structure are arranged, the guide rod geared screw rotates, with guide rod all-in-one-piece main shaft, sleeve, screw tap rotates synchronously and move up and down, so need not manual operation feeding tapping, and can realize continuous tapping, can adapt to the needs of producing in batches; In addition, the supporting manufacturing of guide rod and nut, and consistent with the pitch of screw tap, so can avoid the deviation of pitch, guaranteed the tapping precision; Substantially the structure that has kept existing bench tapping machine on the structure, so cost is low, manufacturing cost and existing bench tapping machine are approaching; The tapping operation is all more convenient with the nut of changing different pitch, guide rod, so hold susceptible to user acceptance.
Description of drawings:
Fig. 1: the complete machine front view that is desk-top uniform pitch tapping machine
Fig. 2: be main spindle box Facad structure schematic diagram among Fig. 1
Fig. 3: the structural representation that is pitch guiding device among Fig. 1
Among the accompanying drawing 1-3: 1-main spindle box, 2-driving wheel, 3-main shaft, 4-gear shaft, the 5-limit switch, 6-limit switch, 7-electrical equipment box, 8-support, the 9-sleeve, 10-driven pulley, 11-depthkeeping circle, 12-dial, the 13-floor push, 14-pitch guiding device, 15-guide rod, the 16-nut, 17-packing ring, 18-bolt, the 19-key, 20-guide rod cover, 21-bolt.
The specific embodiment:
By Fig. 1-3 represented be the specific embodiment of the utility model " desk-top uniform pitch tapping machine ", it comprises main spindle box 1, main spindle box 1 is equipped with driving wheel 2, main shaft 3, gear shaft 4, limit switch 5, limit switch 6, electrical equipment box 7, support 8.Sleeve 9 and driven pulley 10 are housed, rack and pinion axle 4 engagements on the sleeve 9 on the main shaft 3.Gear shaft 4 ends are equipped with depthkeeping circle 11 and dial 12.Depthkeeping circle 11, dial 12 are provided with the briquetting of the control tapping degree of depth, press limit switch 5 and 6 actions respectively.Electrical equipment box 7 is connected with floor push 13 with limit switch 5,6.Pitch guiding device 14 is installed on the support 8.Pitch guiding device 14 is made up of guide rod 15, nut 16, and guide rod 15 is fixed on the main shaft 3 by bolt 18, and the key 19 of transferring power is housed between main shaft 3 and the guide rod 15, and nut 16 is installed on the support 8 by bolt 21, and guide rod 15 is a threaded engagement with nut 16.Guide rod cover 20 is housed on the nut 16.Guide rod 15, the nut 16 installed, its pitch is identical with the pitch of screw tap, processing parts tapping hole.
Claims (3)
1, a kind of desk-top uniform pitch tapping machine, comprise main spindle box (1), main spindle box (1) is equipped with driving wheel (2), main shaft (3), gear shaft (4), limit switch (5) (6), electrical equipment box (7), support (8), sleeve (9) and driven pulley (10) are housed on the main shaft (3), rack and pinion axle (4) engagement on the sleeve (9), gear shaft (4) end is equipped with depthkeeping circle (11) and dial (12), depthkeeping circle (11), dial (12) is provided with the briquetting of the control tapping degree of depth, press limit switch (5) (6) action respectively, electrical equipment box (7) is connected with floor push (13) with limit switch (5) (6), it is characterized in that being equipped with on the support (8) pitch guiding device (14), pitch guiding device (14) is by guide rod (15), nut (16) is formed, guide rod (15) is installed on the main shaft (3), nut (16) is installed on the support (8), guide rod (15) is a threaded engagement with nut (16), the guide rod of installation (15), its pitch of nut (16) is identical with the pitch of processing parts tapping.
2, uniform pitch guide rod tapping machine according to claim 1 is characterized in that guide rod (15) is fixed on the main shaft (3) by packing ring (17) and bolt (18), is equipped with the key (19) of transferring power between main shaft (3) and the guide rod (15).
3, desk-top uniform pitch tapping machine according to claim 1 and 2 is characterized in that on the nut (16) guide rod cover 20 being housed, and nut (16) is fixed on the support (8) by bolt (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03239141 CN2606654Y (en) | 2003-03-04 | 2003-03-04 | Constant pitch bench tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03239141 CN2606654Y (en) | 2003-03-04 | 2003-03-04 | Constant pitch bench tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2606654Y true CN2606654Y (en) | 2004-03-17 |
Family
ID=34167494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03239141 Expired - Fee Related CN2606654Y (en) | 2003-03-04 | 2003-03-04 | Constant pitch bench tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2606654Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157855A (en) * | 2013-04-02 | 2013-06-19 | 重庆电子工程职业学院 | Automatic tapping judging device of tapping machine |
-
2003
- 2003-03-04 CN CN 03239141 patent/CN2606654Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157855A (en) * | 2013-04-02 | 2013-06-19 | 重庆电子工程职业学院 | Automatic tapping judging device of tapping machine |
| CN103157855B (en) * | 2013-04-02 | 2016-12-28 | 重庆电子工程职业学院 | A kind of self-tapping judgment means of tapping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |