CN203972991U - Reciprocating nut tapping head - Google Patents
Reciprocating nut tapping head Download PDFInfo
- Publication number
- CN203972991U CN203972991U CN201420357461.XU CN201420357461U CN203972991U CN 203972991 U CN203972991 U CN 203972991U CN 201420357461 U CN201420357461 U CN 201420357461U CN 203972991 U CN203972991 U CN 203972991U
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- CN
- China
- Prior art keywords
- gear
- box
- mention
- nut
- main shaft
- 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 discloses a kind of reciprocating nut tapping head, comprise gear-box, floating thread tapper, actuating unit and be arranged on the feed mechanism in gear-box and be arranged on the mechanism of mentioning on gear-box lateral wall, on the left side wall of gear-box, rotate and be provided with main shaft, floating thread tapper suit is fixed on the outer end of main shaft, actuating unit comprises motor, drive pulley, driven pulley and gear mechanism, feed mechanism comprises screw rod and the nut matching, on main shaft, be set with axle sleeve, the gap that disappears nut is fixed on described axle sleeve, the right-hand member of the gap that disappears nut is provided with spring, mention that mechanism comprises that first mentions, second mentions and the 3rd mentions.The utility model, in the middle of floating thread tapper tapping process, by spring, eliminate the end play that disappears and produce between gap nut and screw rod in transmittance process, improved the accuracy of tapping, be provided with in addition three groups and mention, increased the selectable range of processing pitch, greatly improved production efficiency, rational in infrastructure, there is very high practicality.
Description
Technical field
The utility model relates to nut tapping head, is specifically related to reciprocating nut tapping head.
Background technology
Reciprocating nut tapping machine is a kind of process equipment that nut manufacturer generally adopts, and tapping head is the pith in nut tapping machine, and what existing tapping head adopted conventionally is pneumatic type nut feeding mode or Worm-gear type nut feeding mode:
Pneumatic type nut feeding mode directly provides tapping feeding power by cylinder, because unstability and the screw tap of pneumatic tapping feeding power can produce certain impulsive force at workpiece Contact, be easy to cause nut reaming and pull, cannot guarantee the requirement of its accuracy.
Worm-gear type nut feeding mode is by worm and gear speed change, and motor provides rotary power, and pitch changes by mentioning, to reach equidistant feeding effect.Because worm and gear end play cannot be eliminated, cannot guarantee the requirement of its accuracy.Worm and gear centre-to-centre spacing is less, mentions and can only hang A, B tooth, has the limitation of processing pitch, and production efficiency is low.
Utility model content
Problem to be solved in the utility model is that existing nut tapping head cannot guarantee accuracy, the problem that production efficiency is low.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is to provide a kind of reciprocating nut tapping head, comprise gear-box, floating thread tapper, actuating unit and be arranged on the feed mechanism in described gear-box and be arranged on the mechanism of mentioning on described gear-box lateral wall, on the left side wall of described gear-box, rotate and be provided with main shaft, described floating thread tapper suit is fixed on the outer end of described main shaft
Described actuating unit comprises motor, drive pulley, driven pulley and gear mechanism; Described drive pulley is fixed on the output shaft of described motor, and described driven pulley rotates and is arranged on the right side wall of described gear-box, and described drive pulley is connected with described driven pulley coupling by belt; Described gear mechanism comprise driving gear and respectively with driven gear, the power output gear of described driving gear engagement, described driving gear and described driven pulley coaxially arrange, described driven gear and described main shaft coaxially arrange;
Described feed mechanism comprises screw rod and the gap nut that disappears mating with described screw rod, on described main shaft, is set with axle sleeve, and described axle sleeve is movably arranged in described gear-box, described in the gap nut that disappears be fixed on described axle sleeve, described in the disappear right-hand member of gap nut be provided with spring;
Describedly mention that mechanism comprises and first mention, second mention and the 3rd mention, the described the 3rd mentions and fixes with the rear end of described screw rod, described second mention rotate on the right side wall be arranged on described gear-box and with the described the 3rd mention engagement, described first mention rotate on the right side wall be arranged on described gear-box and with described second mention engagement, described first mentions and coaxially arranges with described power output gear.
In technique scheme, described floating thread tapper is float extension structure, and its top is provided with the first inductive switch, and described the first inductive switch is fixed on described gear-box.
In technique scheme, also comprise travel control device, described travel control device comprises and is fixed on the support in described gear-box and is disposed on the second inductive switch and the 3rd inductive switch on described support, described main shaft is provided with the first inductance loop for mating with described the second inductive switch and the 3rd inductive switch, and the two ends of described support are respectively equipped with the first adjusting rod.
In technique scheme, also comprise range protective device, described range protective device comprises the 4th inductive switch and the second inductance loop matching with it, described the second inductance loop is connected on described main shaft by the second adjusting rod.
In technique scheme, described in the gap nut that disappears be provided with oil return part.
The utility model, in the middle of floating thread tapper tapping process, by spring, eliminate the end play that disappears and produce between gap nut and screw rod in transmittance process, improved the accuracy of tapping, be provided with in addition three groups and mention, increased the selectable range of processing pitch, greatly improved production efficiency, rational in infrastructure, there is very high practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation in the utility model left side;
Fig. 2 is the structural representation on the utility model right side;
Fig. 3 is the schematic diagram of the utility model left side internal structure;
Fig. 4 is the schematic diagram of the utility model right side internal structure.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described in detail.
As shown in Figure 1 and Figure 2, the reciprocating nut tapping machine that the utility model provides comprises gear-box 2, floating thread tapper 1, actuating unit and is arranged on the feed mechanism in gear-box 2 and is arranged on the mechanism of mentioning on gear-box 2 lateral walls.
Gear-box 2 is weldment or cast member, and actuating unit comprises motor 16, drive pulley 18, driven pulley 20 and gear mechanism, and gear mechanism comprises driving gear 3, driven gear 4 and power output gear 5.Drive pulley 18 is fixed on the output shaft of motor 16, driven pulley 20 rotates and is arranged on the right side wall of gear-box 2, driving gear 3 meshes with driven gear 4 and power output gear 5 respectively, and driving gear 3 is fixed on same axis with driven pulley 20, driven gear 4 and power output gear 5 rotate and are arranged in gear-box 2.
Motor 16 is fixed on the upper surface of gear-box 2, and motor 16 has torque force overload protective device, can effectively detect the screw tap degree of wear.Drive pulley 18 drives driven pulley 20 to rotate by belt 19, then by driving gear 3, drives driven gear 4 and power output gear 5 to rotate respectively.
On the left side wall of gear-box 2, rotate and be provided with main shaft 24, on main shaft 24, be set with axle sleeve, axle sleeve is movably arranged in gear-box 2, and main shaft 24 can freely rotate in axle sleeve.
Floating thread tapper 1 suit is fixed on the outer end of main shaft 24, floating thread tapper 1 is float extension structure, floating thread tapper 1 top is provided with the first inductive switch 10, the first inductive switch 10 is fixed on gear-box 2, if while there is blind hole and aperture phenomenon in nut, floating thread tapper 1 is toward retraction, and the boss portion on its outer circumference surface approaches the first inductive switch 10, thereby send signal, makes main shaft reversion.Hole 0.5mm as inclined to one side in nut bore, floating thread tapper can free centering, guarantees its tapping quality and improves screw tap service life.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, feed mechanism comprises screw rod 7 and the gap nut 8 that disappears mating with screw rod 7 again, mentions that mechanism comprises that first mentions that 21, second mentions that the 22 and the 3rd mentions 23.
The rear end of screw rod 7 and the 3rd mentions that 23 is fixing, second mention that 22 rotations are arranged on the right side wall of gear-box 2 and with the 3rd mention 23 engagements, first mention that 21 rotations are arranged on the right side wall of gear-box 2 and with second mention 22 engagements, first mentions that 21 coaxially arrange with power output gear 5.By first, mention that 21 and second mentions that 22 can determine (metric system, made in U.S.A, English system) uniform pitch, above-mentioned mention to arrange to be arranged on mention in cover 17.
The gap that disappears nut 8 is fixed on axle sleeve, and the right-hand member of the gap that disappears nut 8 is provided with spring, the gap that the elastic force by spring disappears between gap nut 8 and screw rod 7, and the gap that disappears nut 8 is provided with oil return part 9.
On screw rod 7, be set with mechanical position limitation cover 6, when circuit breaks down, mechanical position limitation cover 6 plays mechanical protection effect.
The utility model, in gear-box 2, be also provided with travel control device, this device comprises: support and be disposed on support the second inductive switch 11 and the 3rd induction 12, main shaft 24 is provided with the first inductance loop for mating with the second inductive switch 11 and the 3rd inductive switch 12.Support two ends are respectively equipped with left the first adjusting rod 15 and are fixed on gear-box 2, when screw rod 7 rotates, the gap that disappears nut 8 moves forward and backward, by axle sleeve, drive main shaft 24 to move back and forth, in motion process, when the first inductance loop touches the second inductive switch 11, floating thread tapper 1 auto-returned, when the first inductance loop touches the 3rd inductive switch 12, floating thread tapper 1 tapping of advancing.
The utility model is also provided with range protective device; comprise the 4th inductive switch 13 and the second inductance loop matching with it; the second inductance loop suit is fixed on the second adjusting rod 14; and be connected on main shaft 24 by the second adjusting rod 14; while reaching range; automatically return, effectively protect screw tap to split off, fix a breakdown or reset torque value or change screw tap.
The utility model, disappears gap nut and regulates tapping degree of depth device by setting up, and has greatly improved the accuracy of nut tapping, and increase and to mention quantity, increased the selectable range of processing pitch, rational in infrastructure, greatly improve the efficiency of producing, there is very high practicality.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, within all falling into protection domain of the present utility model.
Claims (5)
1. reciprocating nut tapping head, comprise gear-box, floating thread tapper, actuating unit and be arranged on the feed mechanism in described gear-box and be arranged on the mechanism of mentioning on described gear-box lateral wall, on the left side wall of described gear-box, rotate and be provided with main shaft, described floating thread tapper suit is fixed on the outer end of described main shaft, it is characterized in that:
Described actuating unit comprises motor, drive pulley, driven pulley and gear mechanism; Described drive pulley is fixed on the output shaft of described motor, and described driven pulley rotates and is arranged on the right side wall of described gear-box, and described drive pulley is connected with described driven pulley coupling by belt; Described gear mechanism comprise driving gear and respectively with driven gear, the power output gear of described driving gear engagement, described driving gear and described driven pulley coaxially arrange, described driven gear and described main shaft coaxially arrange;
Described feed mechanism comprises screw rod and the gap nut that disappears mating with described screw rod, on described main shaft, is set with axle sleeve, and described axle sleeve is movably arranged in described gear-box, described in the gap nut that disappears be fixed on described axle sleeve, described in the disappear right-hand member of gap nut be provided with spring;
Describedly mention that mechanism comprises and first mention, second mention and the 3rd mention, the described the 3rd mentions and fixes with the rear end of described screw rod, described second mention rotate on the right side wall be arranged on described gear-box and with the described the 3rd mention engagement, described first mention rotate on the right side wall be arranged on described gear-box and with described second mention engagement, described first mentions and coaxially arranges with described power output gear.
2. reciprocating nut tapping head as claimed in claim 1, is characterized in that, described floating thread tapper is float extension structure, and its top is provided with the first inductive switch, and described the first inductive switch is fixed on described gear-box.
3. reciprocating nut tapping head as claimed in claim 1, it is characterized in that, also comprise travel control device, described travel control device comprises and is fixed on the support in described gear-box and is disposed on the second inductive switch and the 3rd inductive switch on described support, described main shaft is provided with the first inductance loop for mating with described the second inductive switch and the 3rd inductive switch, and the two ends of described support are respectively equipped with the first adjusting rod.
4. reciprocating nut tapping head as claimed in claim 1; it is characterized in that; also comprise range protective device; described range protective device comprises the 4th inductive switch and the second inductance loop matching with it, and described the second inductance loop is connected on described main shaft by the second adjusting rod.
5. reciprocating nut tapping head as claimed in claim 1, is characterized in that, described in the gap nut that disappears be provided with oil return part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357461.XU CN203972991U (en) | 2014-06-30 | 2014-06-30 | Reciprocating nut tapping head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357461.XU CN203972991U (en) | 2014-06-30 | 2014-06-30 | Reciprocating nut tapping head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203972991U true CN203972991U (en) | 2014-12-03 |
Family
ID=51970477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420357461.XU Expired - Fee Related CN203972991U (en) | 2014-06-30 | 2014-06-30 | Reciprocating nut tapping head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203972991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326565A (en) * | 2018-04-19 | 2018-07-27 | 亿和精密金属制品(深圳)有限公司 | A kind of servo rotation riveting tapping all-in-one machine |
| CN108723514A (en) * | 2018-07-23 | 2018-11-02 | 浙江强毅机械科技有限公司 | A kind of horizontal equidistant nut tapping machine |
-
2014
- 2014-06-30 CN CN201420357461.XU patent/CN203972991U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326565A (en) * | 2018-04-19 | 2018-07-27 | 亿和精密金属制品(深圳)有限公司 | A kind of servo rotation riveting tapping all-in-one machine |
| CN108723514A (en) * | 2018-07-23 | 2018-11-02 | 浙江强毅机械科技有限公司 | A kind of horizontal equidistant nut tapping machine |
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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: 20141203 Termination date: 20170630 |