CN202174303U - Automatic tapping machine - Google Patents
Automatic tapping machine Download PDFInfo
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- CN202174303U CN202174303U CN2011202687918U CN201120268791U CN202174303U CN 202174303 U CN202174303 U CN 202174303U CN 2011202687918 U CN2011202687918 U CN 2011202687918U CN 201120268791 U CN201120268791 U CN 201120268791U CN 202174303 U CN202174303 U CN 202174303U
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- push pedal
- tapping machine
- frame
- automatic tapping
- main shaft
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Abstract
The utility model provides an automatic tapping machine, belonging to the field of mechanical technology. The automatic tapping machine solves problems of more complex structure and higher manufacture cost of a current automatic tapping machine. The automatic tapping machine comprises a frame, the upper part of the frame is provided with a driving motor, the side part of the frame is provided with a vertical main shaft, a rotary shaft of the driving motor is connected with a main shaft, the circumference of the main shaft end part is fixedly connected with a chuck used for clamping a cutter, and a feeding mechanism capable of driving the chuck to move relative to the main shaft is provided between the chuck and the frame. The automatic tapping machine is provided with simple structure and capable of adjusting feeding motion of a tap.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of tapping machine, particularly a kind of automatic tapping machine.
Background technology
Tapping machine is the machining equipment that a kind of medial surface of through hole or the blind hole on various parts processes internal thread, screw.Automaticity according to the tapping machine process is different, and tapping machine can be divided into full-automatic tapping machine, semi-automatic tapping machine and hand tapping machine etc.
Existing bench tapping machine is a kind of hand tapping machine; In process, all adopt the right-hand operated handle, left hand is held the processing mode of workpiece; Such bench tapping machine; Operation labour intensity is big, and the singlehanded workpiece of holding often has out-of-control condition to take place, and makes crudy and handling safety all be difficult to guarantee.
For this situation, people have recognized this deficiency, and improve, a kind of desk-top pneumatic tapper [application number: 03239140.4 that openly proposes like the Chinese patent documents and materials; Granted publication number: CN 2622452Y]; Desk-top pneumatic tapper comprises main spindle box; Driving wheel, driven pulley, mainshaft mechanism be housed in the main spindle box, go up friction pulley, friction pulley, friction pulley, the mainshaft mechanism shift fork that rotates and move up and down are down gone up in friction pulley and control down; The pneumatic means of the upper and lower action of automatic control shift fork is housed on the main spindle box, and pneumatic means is made up of pressure regulator valve, solenoid directional control valve, choke valve and cylinder, between choke valve and the cylinder appendix is housed; Be connected by connecting rod between cylinder and the movable shift fork, solenoid directional control valve is equipped with floor push.But since should be desk-top pneumatic tapper adopt the piston rod of cylinder to drive shift fork to do upper and lower action and to corresponding friction pulley the screw tap realization is rotated and reverse transmission of power, the structure that makes this desk-top pneumatic tapper comparatively complicacy, manufacturing cost is higher.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed the automatic tapping machine that a kind of structure is comparatively simple, manufacturing cost is lower.
The purpose of the utility model can realize through following technical proposal: a kind of automatic tapping machine; Comprise a frame, described upper rack has drive motors, and the frame sidepiece has vertical main shaft; The rotating shaft of drive motors links to each other with main shaft; It is characterized in that said spindle nose circumferentially is fixed with the chuck that is used for the clamping cutter, have between described chuck and the frame and can drive the feed mechanism of chuck with respect to main axle moving.
When work, workpiece is installed on the position of processing, when tapping, will adopt corresponding screw tap to be installed on the chuck.Start drive motors then and drive main shaft and rotate, the rotation of main shaft drives clamping has the chuck of screw tap to rotate, and start feed mechanism this moment makes the relative main axle moving of chuck, and screw tap is done relative to workpiece move and make the screw tap contact workpiece.Screw tap is when tapping; Feed mechanism feed-disabling motion produces the power that moves down that downward cutting force provides screw tap when relying on the tapping of blade of type in the shape of a spiral of screw tap, when tapping during to assigned address; Trigger inductor; Inductor passes to the control system with signal, and the control drive motors counter-rotating of control system makes screw tap withdraw from from the screwed hole of workpiece.
In above-mentioned automatic tapping machine, said chuck upper end is enclosed within spindle nose and both connect through key.The upper end of chuck is set in the end of main shaft and connects through key, and when main shaft is driving the chuck rotation simultaneously, chuck can also be done moving up and down of relative main shaft.
In above-mentioned automatic tapping machine, described feed mechanism be connected on the frame cylinder and with collet axis to the push pedal that is connected, the piston rod and the push pedal of above-mentioned cylinder are connected.Cylinder is connected on the frame; The piston rod of cylinder is connected with push pedal mutually; When the piston rod of cylinder is done stretching motion, the relative frame of the chuck that axially is connected in push pedal is moved up and down, cylinder links to each other with magnetic valve; Come the flexible speed of control piston bar through the flow of solenoid control cylinder, thereby control the feed speed of screw tap.
In above-mentioned automatic tapping machine, having the push pedal of making between described frame and the push pedal can only be along the axially movable guiding mechanism of main shaft.Through guiding mechanism is set, make push pedal have guidance quality preferably, when feeding, make screw tap along the main shaft axial feed, tapping can be partial to.
In above-mentioned automatic tapping machine, described guiding mechanism comprises that an end is fixed on the guide in the push pedal, and described frame is provided with and the corresponding pilot hole of guide, and described guide pilot hole is relatively done stretching motion.When feed motion was done in the piston rod promotion push pedal of cylinder, described guide relatively moved along pilot hole, because the piston rod of opposite side also has guide function, makes screw tap along the main shaft axial feed, avoids the tapping deflection.
In above-mentioned automatic tapping machine, be provided with bearing between described chuck and the push pedal.Described bearing guiding chuck rotatablely moves in push pedal, has the little and advantage of high precision of frictional resistance.
In above-mentioned automatic tapping machine, the quantity of said cylinder is two, and the both sides that are distributed in main shaft of two cylinder symmetries.Described cylinder is two both sides that promote push pedal simultaneously, makes the both sides of push pedal in the process that push pedal promotes receive identical power, and when making tapping, screw tap and boring are consistent, and make in the process of tapping and can not be partial to.
In above-mentioned automatic tapping machine, described feed mechanism be connected on the frame oil cylinder and with collet axis to the push pedal that is connected, the piston rod and the push pedal of above-mentioned oil cylinder are connected.Oil cylinder is connected on the frame; The piston rod of oil cylinder is connected with push pedal mutually; When the piston rod of oil cylinder is done expanding-contracting action; Drive the relative frame of chuck axially be connected in push pedal and move up and down, come the flexible speed of control piston bar through the flow of control oil cylinder, oil cylinder has the comparatively stable advantage of transmission.
In above-mentioned automatic tapping machine, be provided with bearing between described chuck and the push pedal.Described bearing guiding chuck rotatablely moves in push pedal, and it is little to have frictional resistance, the low and advantage of high precision of power consumption.
In above-mentioned automatic tapping machine, the quantity of said oil cylinder is two, and the distribution of two oil cylinder symmetries and the both sides of main shaft.Described cylinder is two both sides that promote push pedal simultaneously, makes the both sides of push pedal in the process that push pedal promotes receive identical power, and when making tapping, screw tap and boring are consistent, and make in the process of tapping and can not be partial to.
In above-mentioned automatic tapping machine, be provided with spring between described push pedal and the main shaft, the trend of moving on having in push pedal under the elastic force effect of spring.After tapping finished, the anti-dress of drive motors made screw tap withdraw from from the screwed hole of workpiece, and make push pedal up move and reset relative to main shaft, so that carry out tapping next time this moment under the elastic force effect of spring.
In above-mentioned automatic tapping machine, be provided with spring between described push pedal and the frame, the trend of moving on having in push pedal under the elastic force effect of spring.After tapping finished, the anti-dress of drive motors made screw tap withdraw from from the screwed hole of workpiece, and make push pedal up move and reset relative to frame, so that carry out tapping next time this moment under the elastic force effect of spring.
Compared with prior art, this automatic tapping machine has the following advantages:
1, through the controllability of just changeing and instead adorning of drive motors main shaft, this automatic tapping machine is saved commutating structure is set, have advantage of simple structure;
2, directly promoting clamping through cylinder has the chuck of screw tap to realize the screw tap feeding, has the comparatively simple advantage of structure;
3, pass through the feed motion of the Flow-rate adjustment screw tap of solenoid control cylinder, this automatic tapping machine has adjustability.
Description of drawings
Fig. 1 is the front view of this automatic tapping machine embodiment one.
Fig. 2 is the left view of this automatic tapping machine embodiment one.
Fig. 3 is this automatic tapping machine embodiment one partial sectional view.
Fig. 4 is the front view of this automatic tapping machine embodiment two.
Among the figure, 1, frame; 2, drive motors; 3, main shaft; 4, chuck; 5, feed mechanism; 5a, cylinder; 5b, push pedal; 6, bearing; 7, spring; 8, guiding mechanism; 8a, guide; 8b, pilot hole.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
Implement one
Shown in Fig. 1 to 3, a kind of automatic tapping machine comprises a frame 1; Frame 1 top has drive motors 2, and frame 1 sidepiece has vertical main shaft 3, and the rotating shaft of drive motors 2 links to each other with main shaft 3; Main shaft 3 ends connect a chuck 4 through key, and clamping has screw tap on the chuck 4, are provided with feed mechanism 5 between chuck 4 and the frame 1; Feed mechanism 5 comprises cylinder 5a that is connected on the frame 1 and the push pedal 5b that axially is connected with chuck 4; The piston rod of cylinder 5a and push pedal 5b are connected, and cylinder 5a also has magnetic valve to link to each other, and magnetic valve links to each other with the control system.Be provided with bearing 6 between chuck 4 and the push pedal 5b, also be provided with spring 7 between push pedal 5b and the frame 1, the trend of moving on having at push pedal 5b under the elastic force effect of spring 7.Frame 1 is provided with guiding mechanism 8 with push pedal 5b, and guiding mechanism 8 comprises that an end is fixed on the guide 8a on the push pedal 5b, and frame 1 is provided with the corresponding pilot hole 8b with guide 8a, and guide 8a pilot hole 8b relatively does stretching motion.
When work, workpiece is installed on the position of processing, start drive motors 2 then and drive main shaft 3 rotations; The rotation of main shaft 3 drives clamping has the chuck 4 of screw tap to rotate; Open cylinder 5a this moment, the piston rod of cylinder 5a promotes push pedal 5b and moves down, and guide 8a stretches out along pilot hole 8b; Push pedal 5b both sides are received along the axial guide effect of main shaft 3; Promote push pedal 5b and make the position that move axially contact workpiece of the screw tap of chuck 4, can regulate the flexible speed that gas flow size in the cylinder 5a is come the regulating piston bar, reach the speed of regulating the screw tap feeding through magnetic valve along main shaft 3.
Screw tap is when tapping; Cylinder 5a feed-disabling motion this moment; Producing downward cutting force when relying on the tapping of blade of type in the shape of a spiral of screw tap provides the power that moves down of screw tap to carry out tapping; Because of main shaft 3 is connected with chuck 4 through key, chuck 4 main shaft 3 in the process that moves down can pass to rotary power on the chuck 4, drives chuck 4 and rotates with screw tap.When assigned address is arrived in tapping; Trigger inductor, inductor passes to the control system with signal, and control system control drive motors 2 anti-dress screw taps withdraw from from the screwed hole of workpiece; Owing to be provided with spring 7 between frame 1 and the push pedal 5b; Under the effect of spring 7 elastic force, push pedal 5b resets to the starting position, carries out tapping next time.When carrying out tapping next time, only need workpiece be installed in the position of processing, restart switch gets final product.According to the actual requirements, cylinder can substitute with oil cylinder, also can reach same work, and it is more steady that the propelling of employing oil cylinder has feeding.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one, and different place is: as shown in Figure 4, the quantity of cylinder 5a is two, the distribution of symmetry and the both sides of main shaft 3.When promoting push pedal 5b, two cylinder 5a are for promote the both sides of push pedal 5b simultaneously, make the both sides of push pedal 5b in the process that push pedal 5b promotes receive identical power, during the beginning tapping screw tap and boring are consistent, can not being partial to of tapping.According to the actual requirements, two cylinder 5a can use two oil cylinders to substitute, and also can reach same work, and it is more steady that the propelling of employing oil cylinder also has feeding.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used frame 1, drive motors 2, main shaft 3, chuck 4, feed mechanism 5, cylinder 5a, push pedal 5b, bearing 6, spring 7, guiding mechanism 8 morely; Terms such as guide 8a, pilot hole 8b, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (10)
1. automatic tapping machine; Comprise a frame (1), described frame (1) top has drive motors (2), and frame (1) sidepiece has vertical main shaft (3); The rotating shaft of drive motors (2) links to each other with main shaft (3); It is characterized in that said main shaft (3) end circumferentially is fixed with the chuck (4) that is used for the clamping cutter, have between described chuck (4) and the frame (1) and can drive chuck (4) feed mechanism (5) mobile with respect to main shaft (3).
2. automatic tapping machine according to claim 1 is characterized in that, said chuck (4) upper end is enclosed within main shaft (3) end and both connect through key.
3. automatic tapping machine according to claim 2 is characterized in that, the push pedal (5b) of described feed mechanism (5) for being connected in the cylinder (5a) on the frame (1) and axially being connected with chuck (4), and the piston rod of above-mentioned cylinder (5a) and push pedal (5b) are connected.
4. automatic tapping machine according to claim 3; It is characterized in that; Having the push pedal of making (5b) between described frame (1) and the push pedal (5b) can only be along the axially movable guiding mechanism of main shaft (3) (8); Described guiding mechanism (8) comprises that an end is fixed on the guide (8a) in the push pedal (5b), and described frame (1) is provided with and the corresponding pilot hole of guide (8a) (8b), and described guide (8a) pilot hole (8b) is relatively done stretching motion.
5. automatic tapping machine according to claim 4 is characterized in that, is provided with bearing (6) between described chuck (4) and the push pedal (5b).
6. automatic tapping machine according to claim 3 is characterized in that, the quantity of said cylinder (5a) is two, and the both sides that are distributed in main shaft (3) of two cylinders (5a) symmetry.
7. automatic tapping machine according to claim 1 is characterized in that, the push pedal (5b) of described feed mechanism (5) for being connected in the oil cylinder on the frame (1) and axially being connected with chuck (4), and the piston rod of above-mentioned oil cylinder and push pedal (5b) are connected.
8. automatic tapping machine according to claim 7 is characterized in that, is provided with bearing (6) between described chuck (4) and the push pedal (5b).
9. according to claim 3 or 4 or 5 or 6 or 7 or 8 described automatic tapping machines, it is characterized in that, be provided with spring (7) between described push pedal (5b) and the main shaft (3), the trend of moving on having in push pedal (5b) under the elastic force effect of spring (7).
10. according to claim 3 or 4 or 5 or 6 or 7 or 8 described automatic tapping machines, it is characterized in that, be provided with spring (7) between described push pedal (5b) and the frame (1), the trend of moving on having in push pedal (5b) under the elastic force effect of spring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202687918U CN202174303U (en) | 2011-07-27 | 2011-07-27 | Automatic tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202687918U CN202174303U (en) | 2011-07-27 | 2011-07-27 | Automatic tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202174303U true CN202174303U (en) | 2012-03-28 |
Family
ID=45864211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202687918U Expired - Fee Related CN202174303U (en) | 2011-07-27 | 2011-07-27 | Automatic tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202174303U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632305A (en) * | 2012-04-17 | 2012-08-15 | 青岛沃顿液压设备有限公司 | Head assembly for threading machine |
| CN104209809A (en) * | 2013-05-29 | 2014-12-17 | 苏州宝时得电动工具有限公司 | Automatic tapping machine and tapping method thereof |
| CN110340457A (en) * | 2018-04-02 | 2019-10-18 | 苏州安嘉自动化设备有限公司 | A kind of adaptive tapper mechanism |
-
2011
- 2011-07-27 CN CN2011202687918U patent/CN202174303U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632305A (en) * | 2012-04-17 | 2012-08-15 | 青岛沃顿液压设备有限公司 | Head assembly for threading machine |
| CN104209809A (en) * | 2013-05-29 | 2014-12-17 | 苏州宝时得电动工具有限公司 | Automatic tapping machine and tapping method thereof |
| CN110340457A (en) * | 2018-04-02 | 2019-10-18 | 苏州安嘉自动化设备有限公司 | A kind of adaptive tapper mechanism |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20190727 |