CN204308336U - Drilling and tapping assembly - Google Patents
Drilling and tapping assembly Download PDFInfo
- Publication number
- CN204308336U CN204308336U CN201420733173.XU CN201420733173U CN204308336U CN 204308336 U CN204308336 U CN 204308336U CN 201420733173 U CN201420733173 U CN 201420733173U CN 204308336 U CN204308336 U CN 204308336U
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- CN
- China
- Prior art keywords
- tooth
- bearing
- shaft
- motor
- driving shaft
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- 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 drilling and tapping assembly, comprise bearing and be located at motor, transmission mechanism, fixture and the cutter on bearing, transmission mechanism comprises axle box and is located at the power transmission shaft in axle box, and motor drives cutter to rotate by power transmission shaft, and the bottom of bearing is provided with roller; Power transmission shaft comprises the driving shaft for being connected with motor and the driven shaft for being connected with cutter, and driving shaft is connected by sliding mechanism with driven shaft; Sliding mechanism comprise be fixedly connected with described driven shaft secondary end-tooth, to be flexibly connected with driving shaft and can along the main end-tooth of driving shaft axially-movable and spring, spring is connected between main end-tooth and axle box inwall, and main end-tooth is separated with secondary end-tooth when exceeding default torsion to skid and again engage with secondary end-tooth under described spring action and realizes transmission; The utility model effectively can prevent the damage of motor and other component, ensures carrying out smoothly of tapping operation, improves operating efficiency, can move simultaneously, be convenient to transport.
Description
Technical field
The utility model relates to a kind of mechanical production devices, particularly a kind of drilling and tapping assembly.
Background technology
Drilling and tapping assembly is a kind of machining equipment processing internal thread, screw at various medial surfaces with the hole of the through hole of different size or the part of blind hole such as parts housing, equipment end face, nut, ring flanges or make tooth buckle.Existing drilling and tapping assembly generally comprise bearing and be located at motor on bearing, transmission mechanism, for the fixture of holding workpiece and the cutter for carrying out tapping to workpiece, transmission mechanism comprises power transmission shaft, motor drives cutter to rotate by power transmission shaft, and cutter advances to workpiece direction gradually and carries out screwing operation in rotary course; But, make because resistance is excessive when tapping operation cutter stop the rotation sometimes, now power transmission shaft stall and cause motor generation stall, produce the damage that big current causes motor and other component, affect carrying out smoothly of tapping operation, reduce operating efficiency; In addition, bearing is generally irremovable, although stability is better, is not easy to mobile, can not adapts to multiple service condition.
Utility model content
In view of this, for solving the problem, the purpose of this utility model is to provide a kind of drilling and tapping assembly, set up sliding mechanism, when workpiece produces larger resistance to cutter, sliding mechanism produces skidding effect, and transmission is stopped, prevent the damage of motor and other component, ensure carrying out smoothly of tapping operation, improve operating efficiency, can move simultaneously, be convenient to transport.
Drilling and tapping assembly of the present utility model, comprise bearing and be located at motor on bearing, transmission mechanism, for the fixture of holding workpiece and the cutter for carrying out tapping to workpiece, described transmission mechanism comprises axle box and is located at the power transmission shaft in axle box, described motor drives cutter to rotate by power transmission shaft, and the bottom of described bearing is provided with roller; Described power transmission shaft comprises the driving shaft for being connected with motor and the driven shaft for being connected with cutter, and described driving shaft is connected by sliding mechanism with driven shaft; Described sliding mechanism comprise be fixedly connected with described driven shaft secondary end-tooth, to be flexibly connected with described driving shaft and can along the main end-tooth of driving shaft axially-movable and spring, described spring is connected between main end-tooth and axle box inwall, and main end-tooth is separated with secondary end-tooth when exceeding default torsion to skid and again engage with secondary end-tooth under described spring action and realizes transmission.
The beneficial effects of the utility model: drilling and tapping assembly of the present utility model, roller makes this tapping assembly to move, is convenient to transport; Power transmission shaft be divided into two sections and be connected by the sliding mechanism newly established, when workpiece produces larger resistance to cutter, sliding mechanism produces skidding effect, namely when the carry-over moment between driving shaft and driven shaft exceeds the moment preset between main end-tooth and secondary end-tooth, transmission between main end-tooth and secondary end-tooth is thrown off, to stop transmission process, now motor still autobiography, prevents the damage of motor and other component; Can tapping be proceeded by after removal of obstacle, ensure carrying out smoothly of tapping operation, improve operating efficiency; Default moment between main end-tooth and secondary end-tooth is then determined by the elastic force of spring, easy to adjust, reliable.
As further improvement, also comprise lifting mechanism, described lifting mechanism comprise be located at described rest base can be unsettled or be supported in the supporting foot that ground makes described roller unsettled; Set up retractable supporting foot, after packing up supporting foot, roller and earth surface can be made, be convenient to the movement of tapping machine; Can roller be made unsettled bearing jack-up after putting down supporting foot, be convenient to the location of tapping machine; Supporting foot can be put down the load of release roller when using and deposit, roller is not fragile, and maintenance cost is low.
As further improvement, brace table is provided with between described fixture and bearing, described brace table by be connected vertically move platform and transverse shifting platform forms, the described platform that vertically moves is connected with holder top and can vertically moving along bearing, and described transverse shifting platform is connected with clamp base also can along the transverse shifting of bearing; Brace table can carry out transverse direction, vertically move in bearing plane, just with the position adjusting fixture, ensures the precision of tapping.
As further improvement, described transmission mechanism also comprises gear-box, and the output shaft of described motor is in transmission connection by the gear in gear-box and driving shaft; Gear drive makes the arrangement of motor more diversified, realizes the compactedness requirement of this device; Meanwhile, select also can realize multiple speed change by the concrete model of the gear matched.
As further improvement, the longitudinal direction front side of described bearing is provided with vertical column, and described motor, gear-box and axle box are all connected with column by connecting plate, and described connecting plate can along the axially-movable of column; Connecting plate motion makes cutter can to workpiece motion s.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A place enlarged drawing in Fig. 1.
Detailed description of the invention
As depicted in figs. 1 and 2: in the preferred embodiment, drilling and tapping assembly comprise bearing 1 and be located at motor 2 on bearing 1, transmission mechanism, for the fixture 4 of holding workpiece and the cutter 5 for carrying out tapping to workpiece, the power transmission shaft that described transmission mechanism comprises axle box 39 and is located in axle box 39, described motor 2 drives cutter to rotate by power transmission shaft, and the bottom of described bearing 1 is provided with roller 11; Described power transmission shaft comprises the driving shaft 31 for being connected with motor and the driven shaft 32 for being connected with cutter 5, and described driving shaft 31 is connected by sliding mechanism with driven shaft 32; Described sliding mechanism comprise be fixedly connected with described driven shaft 32 secondary end-tooth 61, to be flexibly connected with described driving shaft 31 and can along the main end-tooth 62 of driving shaft 31 axially-movable and spring 63, described spring 63 is connected between main end-tooth 62 and axle box 39 inwall, and main end-tooth 62 is separated with secondary end-tooth 61 when exceeding default torsion to skid and again engage with secondary end-tooth 61 under described spring 63 acts on and realizes transmission; Also comprise lifting mechanism, described lifting mechanism comprise be located at bottom described bearing 1 can be unsettled or be supported in the supporting foot 12 that ground makes described roller 11 unsettled; Brace table is provided with between described fixture 4 and bearing 1, described brace table by be connected vertically move platform 71 and transverse shifting platform 72 forms, the described platform 71 that vertically moves is connected with bearing 1 top and can vertically moving along bearing 1, and described transverse shifting platform 72 is be connected bottom fixture 4 also can along the transverse shifting of bearing 1; Described transmission mechanism also comprises gear-box 30, and the output shaft of described motor 2 is in transmission connection by the gear in gear-box 30 and driving shaft 31; The longitudinal direction front side of described bearing 1 is provided with vertical column 8, and described motor 2, gear-box 30 and axle box 39 are all connected with column 8 by connecting plate 9, and described connecting plate 9 can along the axially-movable of column 8.
What finally illustrate is; although be described in detail detailed description of the invention of the present utility model by reference to the accompanying drawings; but should not be construed as the restriction of the protection domain to this patent; in the scope described by claims, the various amendment that those skilled in the art can make without creative work and distortion still belong to the protection domain of this patent.
Claims (5)
1. a drilling and tapping assembly, comprise bearing and be located at motor on bearing, transmission mechanism, for the fixture of holding workpiece and the cutter for carrying out tapping to workpiece, described transmission mechanism comprises axle box and is located at the power transmission shaft in axle box, described motor drives cutter to rotate by power transmission shaft, it is characterized in that: the bottom of described bearing is provided with roller; Described power transmission shaft comprises the driving shaft for being connected with motor and the driven shaft for being connected with cutter, and described driving shaft is connected by sliding mechanism with driven shaft; Described sliding mechanism comprise be fixedly connected with described driven shaft secondary end-tooth, to be flexibly connected with described driving shaft and can along the main end-tooth of driving shaft axially-movable and spring, described spring is connected between main end-tooth and axle box inwall, and main end-tooth is separated with secondary end-tooth when exceeding default torsion to skid and again engage with secondary end-tooth under described spring action and realizes transmission.
2. drilling and tapping assembly according to claim 1, is characterized in that: also comprise lifting mechanism, described lifting mechanism comprise be located at described rest base can be unsettled or be supported in the supporting foot that ground makes described roller unsettled.
3. drilling and tapping assembly according to claim 2, it is characterized in that: between described fixture and bearing, be provided with brace table, described brace table by be connected vertically move platform and transverse shifting platform forms, the described platform that vertically moves is connected with holder top and can vertically moving along bearing, and described transverse shifting platform is connected with clamp base also can along the transverse shifting of bearing.
4. drilling and tapping assembly according to claim 3, is characterized in that: described transmission mechanism also comprises gear-box, the output shaft of described motor is in transmission connection by the gear in gear-box and driving shaft.
5. drilling and tapping assembly according to claim 4, is characterized in that: the longitudinal direction front side of described bearing is provided with vertical column, and described motor, gear-box and axle box are all connected with column by connecting plate, and described connecting plate can along the axially-movable of column.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420733173.XU CN204308336U (en) | 2014-11-28 | 2014-11-28 | Drilling and tapping assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420733173.XU CN204308336U (en) | 2014-11-28 | 2014-11-28 | Drilling and tapping assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204308336U true CN204308336U (en) | 2015-05-06 |
Family
ID=53130668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420733173.XU Expired - Fee Related CN204308336U (en) | 2014-11-28 | 2014-11-28 | Drilling and tapping assembly |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204308336U (en) |
-
2014
- 2014-11-28 CN CN201420733173.XU patent/CN204308336U/en not_active Expired - Fee Related
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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: 20150506 Termination date: 20151128 |