CN210549542U - Chuck for machine tool machining - Google Patents
Chuck for machine tool machining Download PDFInfo
- Publication number
- CN210549542U CN210549542U CN201921131631.1U CN201921131631U CN210549542U CN 210549542 U CN210549542 U CN 210549542U CN 201921131631 U CN201921131631 U CN 201921131631U CN 210549542 U CN210549542 U CN 210549542U
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- clamping
- clamp
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- chuck
- machine tool
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Abstract
The utility model provides a chuck for machine tool processing, which has simple structure, time and labor saving, can effectively improve the production efficiency, which comprises a base and a clamping jaw, wherein the base comprises a clamping part and a fastening part which are mutually vertical and fixedly connected, the bottom surface of the fastening part is provided with a fastening device communicated with the clamping part, the clamping part is in a hollow cylinder shape, the clamp strips which are movably connected end to end are buckled above the fastening part and outside the clamping part, at least three clamp strips are uniformly distributed along the circumferential direction of the clamping part, the clamping device comprises clamping parts, clamping jaws and elastic jacking holes, wherein the clamping jaws are arranged at the two sides of the clamping parts, the clamping jaws are arranged on the clamping jaws, and the clamping jaws are arranged on the clamping jaws.
Description
Technical Field
The utility model relates to a machine tool machining technical field specifically is a chuck for machine tool machining for axle class spare part processing technology field very much.
Background
In machining, especially machine tool machining, in order to make a workpiece meet the requirements of size and shape and ensure the machining precision, a chuck is usually adopted to clamp and fix the workpiece to be machined or a machining tool, and when clamping a shaft workpiece or a tool, the existing chuck needs to use a dial indicator to make a dial indicator and correct, which wastes time and labor and leads to low production efficiency.
SUMMERY OF THE UTILITY MODEL
To the shortcoming that current chuck is wasted time and energy, production efficiency hangs down, the utility model provides a chuck for machine tool machining, its simple structure, labour saving and time saving can effectively improve production efficiency.
The utility model adopts the following technical scheme: it includes base and jack catch, its characterized in that: the base includes mutually perpendicular and fixed continuous clamp dress portion and fastening portion the bottom surface of fastening portion be equipped with the communicating fastener of clamp dress portion, clamp dress portion is hollow cylinder shape the top of fastening portion the outside lock of clamp dress portion has the clamp strip of end to end activity, the clamp strip has at least three and follows the circumference evenly distributed of clamp dress portion, every the central authorities of clamp strip the clamp strip orientation one side of clamp dress portion lateral wall all is equipped with the counter bore, it has the elasticity top nest to install in the counter bore, the lateral wall of clamp dress portion be equipped with the through-hole that the counter bore corresponds, the tip of elasticity top nest passes through the through-hole in the lateral wall of clamp dress portion clamp strip top, clamp dress portion is equipped with and presss from both sides the dress seat, the jack catch install in press from both sides the dress seat.
It is further characterized in that:
the fastening part is a horizontal L-shaped fastening part, and the transverse part of the horizontal L-shaped fastening part is vertically connected with the clamping part;
the fastening device comprises a locking block and a spring which are movably connected, a lock hole is formed in the connecting position of the clamping part and the horizontal L-shaped fastening part and on the side wall of the clamping part, a lock groove communicated with the lock hole is formed in the bottom surface of the horizontal L-shaped fastening part along the strip length direction, a clamping hole is formed in one end, away from the lock hole, of the lock groove, the horizontal L-shaped fastening part is provided with a clamping hole, the locking block is embedded in the lock hole, the spring is installed in the lock groove, one end of the spring is abutted to the locking block, and the other end of the spring is clamped in the clamping hole;
a spring pressing plate is movably connected to one end of the clamping hole and the horizontal L-shaped fastening part;
a first fixing hole is formed in the vertical part of the horizontal L-shaped fastening part, and a mounting hole corresponding to the first fixing hole is formed in the spring pressing plate;
the three hoop clamping strips are distributed in the circumferential direction of the clamping part in an angle of 120 degrees along a central connecting line of each counter bore, a second fixing hole is formed in the transverse part of the horizontal L-shaped fastening part, and the two hoop clamping strips located above the transverse part of the horizontal L-shaped fastening part are connected through an upper connecting sheet and a lower connecting sheet and detachably connected with the base through a hexagon bolt and the second fixing hole;
the clamping jaws are matched with the clamp strip in number, the clamping base is provided with a U-shaped clamping opening, the U-shaped clamping opening is located right above the through hole, and the clamping jaws are connected with the U-shaped clamping opening through hexagon socket head cap bolts.
The utility model adopts the above structure after, through the three clamp strip that sets up evenly distributed in jack catch below ring circumference, the counter bore is seted up to every clamp strip central authorities, and installation elasticity pushes up the nest in the counter bore, and elasticity pushes up the nest and clamps in the lateral wall of clamping portion through the through-hole, and the elasticity that the accessible is clamp strip central authorities of the trend of triangle is adjusted well automatically when pressing from both sides dress axle type work piece or cutter, and simple structure, labour saving and time saving have effectively improved production efficiency.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of another perspective view of the present invention (the extension spring is not shown).
Fig. 3 is a schematic view of the exploded structure of the present invention.
Fig. 4 is a schematic structural diagram of the clamp strip of the present invention.
Fig. 5 is a cross-sectional view of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1 to 5, the present invention provides a chuck for machine tool machining, which comprises a base 1 and jaws 3, wherein the base 1 comprises a clamping portion 1a and a fastening portion 1b which are perpendicular to each other and fixedly connected, a fastening device communicated with the clamping portion 1a is arranged on the bottom surface of the fastening portion 1b, the clamping portion 1a is hollow and cylindrical, a hoop strip 2 movably connected end to end is fastened on the outer side of the clamping portion 1a above the fastening portion 1b, the hoop strip 2 has at least three hoop strips 2a, 2b and 2c and is uniformly distributed along the circumferential direction of the clamping portion 1a, as shown in fig. 3 and 4, a counter bore 16 is arranged in the center of each hoop strip 2 and on one side of the hoop strip 2 facing the side wall of the clamping portion 1a, an elastic top socket 10 is arranged in the counter bore 16, as shown in fig. 5, the side wall of the clamping portion 1a is provided with through holes 17 corresponding to the counter bore 16, the end of the elastic top socket 10 is clamped on the side wall of the clamping portion 1a through the through holes 17, at clamp strip 2 top, it is equipped with and presss from both sides dress seat 4 to press from both sides dress portion 1a, jack catch 3 is installed in pressing from both sides dress seat 4, through the three clamp strip that sets up evenly distributed in jack catch below ring circumference, every clamp strip central authorities set up the counter bore, installation elasticity top nest in the counter bore, elasticity top nest clamps in the lateral wall of pressing from both sides dress portion through the through-hole, the elasticity top nest of clamp strip central authorities that the accessible is the triangle trend when pressing from both sides dress axle type work piece or cutter is automatic to adjusting well, moreover, the steam generator is simple in structure, time saving and labor saving, and the production efficiency is.
As shown in fig. 2, 3 and 5, the fastening part 1b is a horizontal L-shaped fastening part 1b, the transverse part of the horizontal L-shaped fastening part 1b is vertically connected with the clamping part 1a, the fastening device comprises a locking block 8 and a spring 15 which are movably connected, a lock hole 19 is arranged on the side wall of the clamping part 1a at the joint of the clamping part 1a and the horizontal L-shaped fastening part 1b, a lock groove 7 communicated with the lock hole 19 is arranged on the bottom surface of the horizontal L-shaped fastening part 1b along the strip length direction, a clamping hole 14 is arranged on the horizontal L-shaped fastening part 1b at one end of the lock groove 7 away from the lock hole 19, the lock block 8 is embedded in the lock hole 19, the spring 15 is arranged in the lock groove 7, one end of the spring 15 is abutted against the lock block 8, the other end of the spring 15 is clamped in the clamping hole 14, the locking block connected with the spring is arranged on the bottom surface of the horizontal L-shaped fastening part, namely below the clamping strip, on one hand, the alignment of the elastic jacking, on the other hand, a clamped workpiece or a cutter can be locked, so that the clamping stability is improved.
As shown in fig. 1 and 3, a spring pressing plate 5 is movably connected to the horizontal L-shaped fastening portion 1b at one end of the clamping hole 14, a first fixing hole 13 is formed in a vertical portion of the horizontal L-shaped fastening portion 1b, the spring pressing plate 5 is provided with a mounting hole 6 corresponding to the first fixing hole 13, and the spring pressing plate is connected with the horizontal L-shaped fastening portion through the first fixing hole and the mounting hole and can compress a spring connected with the locking block, so that the locking block is prevented from loosening or falling off, and the stability of clamping is further improved.
As shown in fig. 1, 3 and 4, the three clamp strips 2a, 2b and 2c are distributed in the circumferential direction of the clamping part 1a at an angle of 120 ° with the central connecting line of each counter bore 16, the horizontal part of the horizontal L-shaped fastening part 1b is provided with a second fixing hole 18, the two clamp strips 2b and 2c above the horizontal part of the horizontal L-shaped fastening part 1b are connected through an upper connecting sheet 11a and a lower connecting sheet 11b and detachably connected with the base 1 through a hexagon bolt (not shown) and the second fixing hole 18, the clamp strips 2a are respectively connected with the clamp strips 2b and 2c through a pin shaft 9, the assembly and disassembly are convenient, the stability of the elastic top socket clamping can be enhanced, and the processing accuracy is further ensured.
As shown in fig. 3 and 5, the number of the jaws 3 corresponds to that of the clamp strips 2, the clamping base 4 is provided with a U-shaped clamping opening 12, the U-shaped clamping opening 12 is located right above the through hole 17, the jaws 3 are connected with the U-shaped clamping opening 12 through hexagon socket head bolts (not shown), and the U-shaped clamping opening located right above the through hole facilitates alignment of the elastic top socket when the jaws corresponding to the clamp strips clamp workpieces or cutters, so that accuracy is improved.
Claims (7)
1. The utility model provides a chuck for machine tool machining, its includes base and jack catch, its characterized in that: the base includes mutually perpendicular and fixed continuous clamp dress portion and fastening portion the bottom surface of fastening portion be equipped with the communicating fastener of clamp dress portion, clamp dress portion is hollow cylinder shape the top of fastening portion the outside lock of clamp dress portion has the clamp strip of end to end activity, the clamp strip has at least three and follows the circumference evenly distributed of clamp dress portion, every the central authorities of clamp strip the clamp strip orientation one side of clamp dress portion lateral wall all is equipped with the counter bore, it has the elasticity top nest to install in the counter bore, the lateral wall of clamp dress portion be equipped with the through-hole that the counter bore corresponds, the tip of elasticity top nest passes through the through-hole in the lateral wall of clamp dress portion clamp strip top, clamp dress portion is equipped with and presss from both sides the dress seat, the jack catch install in press from both sides the dress seat.
2. A chuck for use with a machine tool according to claim 1, wherein: the fastening part is a horizontal L-shaped fastening part, and the transverse part of the horizontal L-shaped fastening part is vertically connected with the clamping part.
3. A chuck for use with a machine tool according to claim 2, wherein: fastener includes the locking piece and the spring that the activity links to each other press from both sides dress portion with the junction of horizontal L shape fastening portion the lateral wall of clamp dress portion is opened there is the lockhole, the bottom surface of horizontal L shape fastening portion along strip long direction open have with the locked groove that the lockhole is linked together the locked groove is kept away from the one end of lockhole, horizontal L shape fastening portion is equipped with the card hole, the lockhole is embedded to be equipped with the locking piece, install in the locked groove the spring, the one end of spring with locking piece looks butt, the other end joint of spring is in the card is downthehole.
4. A chuck for use with a machine tool according to claim 3, wherein: and a spring pressing plate is movably connected with one end of the clamping hole and the horizontal L-shaped fastening part.
5. A chuck for use with a machine tool according to claim 4, wherein: the vertical part of the horizontal L-shaped fastening part is provided with a first fixing hole, and the spring pressing plate is provided with a mounting hole corresponding to the first fixing hole.
6. A chuck for use with a machine tool according to claim 5, wherein: the three hoop clamping strips are distributed in the circumferential direction of the clamping portion in a 120-degree angle mode through the central connecting line of each counter bore, a second fixing hole is formed in the transverse portion of the horizontal L-shaped fastening portion, and the two hoop clamping strips located above the transverse portion of the horizontal L-shaped fastening portion are connected through the upper connecting sheet and the lower connecting sheet and detachably connected with the base through the hexagon bolts and the second fixing holes.
7. A chuck for use with a machine tool according to claim 1, wherein: the clamping jaws are matched with the clamp strip in number, the clamping base is provided with a U-shaped clamping opening, the U-shaped clamping opening is located right above the through hole, and the clamping jaws are connected with the U-shaped clamping opening through hexagon socket head cap bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131631.1U CN210549542U (en) | 2019-07-18 | 2019-07-18 | Chuck for machine tool machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131631.1U CN210549542U (en) | 2019-07-18 | 2019-07-18 | Chuck for machine tool machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210549542U true CN210549542U (en) | 2020-05-19 |
Family
ID=70674252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921131631.1U Active CN210549542U (en) | 2019-07-18 | 2019-07-18 | Chuck for machine tool machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210549542U (en) |
-
2019
- 2019-07-18 CN CN201921131631.1U patent/CN210549542U/en active Active
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