CN108526503B - Clamping jaw assembly and drill chuck - Google Patents

Clamping jaw assembly and drill chuck Download PDF

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Publication number
CN108526503B
CN108526503B CN201810503995.1A CN201810503995A CN108526503B CN 108526503 B CN108526503 B CN 108526503B CN 201810503995 A CN201810503995 A CN 201810503995A CN 108526503 B CN108526503 B CN 108526503B
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CN
China
Prior art keywords
clamping
clamping jaw
drill body
nut
sleeve
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.)
Active
Application number
CN201810503995.1A
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Chinese (zh)
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CN108526503A (en
Inventor
历彦兆
魏宁波
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Shandong Weida Machinery Co Ltd
Original Assignee
Shandong Weida Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Weida Machinery Co Ltd filed Critical Shandong Weida Machinery Co Ltd
Priority to CN201810503995.1A priority Critical patent/CN108526503B/en
Publication of CN108526503A publication Critical patent/CN108526503A/en
Priority to PCT/CN2019/087717 priority patent/WO2019223670A1/en
Priority to US17/044,294 priority patent/US11400526B2/en
Application granted granted Critical
Publication of CN108526503B publication Critical patent/CN108526503B/en
Active legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks
    • B23B31/10Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/102Jaws, accessories or adjustment means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/12Adapters for drills or chucks; Tapered sleeves
    • B23B51/123Conical reduction sleeves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Gripping On Spindles (AREA)

Abstract

The invention provides a clamping jaw assembly and a drill chuck, which solve the technical problems of complex structure, small clamping range, poor clamping effect and higher cost of the existing clamping jaw assembly; a clamping section is arranged above the screwing section; the screwing section is fixedly connected with the clamping section; the clamping section of the first clamping jaw is internally provided with a first clamping part, and the second clamping section is internally provided with a second clamping part matched with the first clamping part.

Description

Clamping jaw assembly and drill chuck
Technical Field
The invention relates to a clamping apparatus, in particular to a clamping jaw assembly and a drill chuck.
Background
The drill chuck is one of the main fittings in electric tool and machine tool industry, and is widely used in electric tool, machine tool accessory, medical apparatus and other fields. The clamping jaw is a clamping tool when the drill chuck performs clamping work.
The traditional clamping jaw assembly generally adopts three-jaw type, and has the advantages of complex structure, inconvenient operation and waste of materials, so that the production cost of the drill chuck becomes high, the clamping range is smaller, and the clamping effect is poor. The existing drill chuck mechanism is complex and inconvenient to use.
Disclosure of Invention
Aiming at the technical problems of complex structure, small clamping range, poor clamping effect and higher cost of the existing clamping jaw assembly, the invention provides the clamping jaw assembly and the drill chuck which are simple in structure, large in clamping range, good in clamping effect and low in cost.
For this reason, the invention has the first clamping jaw, also have the second clamping jaw, the first clamping jaw and second clamping jaw have screwed the section, screwed the outside of section has whorl; a clamping section is arranged above the screwing section; the screwing section is fixedly connected with the clamping section; the inner side of the clamping section of the first clamping jaw is provided with a first clamping part, and the inner side of the second clamping section is provided with a second clamping part matched with the first clamping part.
Preferably, the first clamping part and the second clamping part have the same structure; the inner side of the first clamping part is provided with a plurality of grooves along the circumferential direction of the first clamping part, and the inner side of a radial cross section of the first clamping part is in an internal gear shape.
Preferably, an arc-shaped concave part is arranged at the center of the inner side of the first clamping part; symmetrical tooth-shaped bulges are arranged on two sides of the arc-shaped concave part; the center of the inner side of the second clamping part is provided with a strip-shaped concave part which is rectangular; the side wall is vertical to the bottom wall; smooth parts are arranged on two sides of the strip-shaped concave part and are perpendicular to the side walls of the strip-shaped concave part; and the two sides of the smooth part are provided with enclasping parts.
A drill chuck provided with a jaw assembly; a front sleeve and a rear sleeve are also arranged; the front sleeve is positioned above the rear sleeve; the front sleeve and the rear sleeve are internally provided with a first drill body; the lower end of the first drill body is fixedly connected with the rear sleeve; the upper end of the first drill body is connected with a front cover in an interference manner; a limiting step is arranged on the inner side of the upper end of the front sleeve along the circumferential direction of the front sleeve; two symmetrical clamping jaw holes are formed in the side wall of the first drill body; the clamping jaw assembly is positioned in the clamping jaw hole;
the middle part of the first drill body is provided with a first supporting step, the upper end of the first supporting step is provided with a first gasket, and the first gasket is sleeved on the outer circumferential surface of the first drill body and is in clearance fit with the first drill body; the upper end of the first gasket is provided with a nut, the nut is fixedly connected with a nut sleeve, and the nut sleeve is connected with the front sleeve; the nut and the nut sleeve are sleeved on the outer circumferential surface of the first drill body and are in clearance fit with the first drill body; the inner side of the nut is provided with threads.
Preferably, a bearing is arranged between the first gasket and the nut, and the bearing is sleeved on the outer circumferential surface of the first drill body and is in clearance fit with the first drill body.
Preferably, the upper end of the inner side of the front sleeve is uniformly provided with a plurality of driving claws, the driving claws are cuboid, and a notch is arranged at one side of the lower end of the driving claws, which is close to the inner wall of the front sleeve; the nut is sleeved with a driving hole matched with the driving claw.
A drill chuck provided with a jaw assembly; the device is also provided with a jacket, and the upper end of the jacket is fixedly provided with a bevel gear; the outer sleeve and the conical gear are internally provided with a second drill body; the lower end of the second drill body is in clearance fit with the lower end of the outer sleeve, and the upper end of the second drill body penetrates through the conical gear and is in clearance fit with the conical gear; two symmetrical clamping jaw holes are formed in the side wall of the second drill body; the clamping jaw assembly is positioned in the clamping jaw hole;
the middle part of the second drill body is provided with a second supporting step; a second gasket is arranged at the upper end of the second supporting step; the upper end of the second gasket is provided with a toothed nut; the toothed nut is fixedly connected with the outer sleeve, and threads are arranged on the inner side of the toothed nut.
The invention has simple structure and lower cost. When the first clamping part and the second clamping part of the clamping jaw assembly are identical in structure, a plurality of grooves are formed in the inner side of the first clamping part along the circumferential direction of the first clamping part, and the inner side of a radial cutting plane of the first clamping part is in an inner gear shape, when the first clamping part, the second clamping part and the drilling tool are clamped, the first clamping part, the second clamping part and the drilling tool can be ensured to form at least four line contacts, and compared with a clamping jaw with an arc-shaped inner circumferential surface, the clamping range is wide, and the clamping effect is good. When the center of the inner side of the first clamping part is provided with an arc-shaped concave part, two sides of the arc-shaped concave part are provided with symmetrical toothed protrusions, the center of the inner side of the second clamping part is provided with a strip-shaped concave part, two sides of the strip-shaped concave part are provided with smooth parts, and when the two sides of the smooth parts are provided with holding parts, the first clamping part, the second clamping part and the drilling tool can be ensured to form at least three line contacts when being clamped, the clamping range is wide, and the clamping effect is good.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment 1 of the present invention;
FIG. 2 is an enlarged schematic view of the clamping portion of the first clamping jaw assembly according to embodiment 1 of the present invention;
FIG. 3 is a schematic top view of the first clamping jaw assembly of embodiment 1 of the present invention in clamping state 1;
FIG. 4 is an enlarged, top view of the first jaw assembly of embodiment 1 of the present invention in the clamped state 1;
FIG. 5 is a schematic top view of the first clamping jaw assembly of embodiment 1 in clamping state 2;
FIG. 6 is an enlarged, top view of the first jaw assembly of embodiment 1 of the present invention in the clamped state 2;
FIG. 7 is a schematic top view of the first clamping jaw assembly of embodiment 1 in the clamping state 3;
FIG. 8 is an enlarged, top view of the first jaw assembly of embodiment 1 of the present invention in the clamped state 3;
FIG. 9 is a schematic diagram 1 of a structure of an embodiment 2 of the present invention;
FIG. 10 is an enlarged schematic view 1 of the clamping portion of the second jaw assembly according to embodiment 2 of the present invention;
FIG. 11 is a schematic diagram 2 showing the structure of embodiment 2 of the present invention;
FIG. 12 is an enlarged schematic view of the clamping portion of the second jaw assembly according to embodiment 2 of the present invention;
FIG. 13 is a schematic top view of the second jaw assembly of embodiment 2 in the clamping state 1;
FIG. 14 is an enlarged, top view of the second jaw assembly of embodiment 2 of the present invention in the clamped state 1;
FIG. 15 is a schematic top view of the second jaw assembly of embodiment 2 of the present invention in the clamped state 2;
FIG. 16 is an enlarged, top view of the second jaw assembly of embodiment 2 of the present invention in the clamped state 2;
FIG. 17 is a schematic top view of the second jaw assembly of embodiment 2 in the clamped state 3;
FIG. 18 is an enlarged, top view of the second jaw assembly of embodiment 2 of the present invention in gripping position 3;
FIG. 19 is a schematic cross-sectional view of embodiment 3 of the present invention;
FIG. 20 is a schematic view showing the structure of a front cover according to embodiment 3 of the present invention;
FIG. 21 is a schematic view showing the structure of a nut cover according to embodiment 3 of the present invention;
fig. 22 is a schematic view showing a semi-sectional structure of embodiment 3 of the present invention.
The symbols in the drawings illustrate:
1. a first jaw; 2. a second jaw; 3. a screwing section; 4. a clamping section; 5. a clamping part; 6. a third jaw; 7. a fourth jaw; 8. a third screwing section; 9. a third clamping section; 10. a fourth clamping section; 11. an elongated recess; 12. a smoothing section; 13. a clasping portion; 14. an arc-shaped concave portion; 15. tooth-like projections; 16. a front sleeve; 17. a rear sleeve; 18. a first drill body; 19. a first support step; 20. a first gasket; 21. a bearing; 22. a nut; 23. a nut sleeve; 24. a fourth screwing section; 25. a front cover; 26. a jacket; 27. a second drill body; 28. a second gasket; 29. a toothed nut; 30. a bevel gear; 31. a second support step; 32. drilling tool; 33. a driving claw; 34. a notch; 35. a drive hole; 36. a key; 37. and limiting the step.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, the present embodiment is a first jaw assembly, which is provided with a first jaw 1 and a second jaw 2, and the first jaw 1 and the second jaw 2 have the same structure. In the working state, the first clamping jaw 1 and the first clamping jaw 2 are arranged in opposite directions and are in an splayed shape; the first clamping jaw 1 and the second clamping jaw 2 are respectively provided with a screwing section 3, and threads are arranged on the outer side of the screwing section 3; a clamping section 4 is arranged above the screwing section 3; the screwing section 3 is fixedly connected with the clamping section 4, and the screwing section 3 and the clamping section 4 can be welded or integrally formed; the inner sides of the clamping sections 4 are respectively provided with a clamping part 5.
The inner side of the clamping part 5 is provided with a plurality of grooves along the circumferential direction, and the inner side of a radial section of the clamping part 5 is in an internal gear shape;
compared with the traditional three-jaw clamping jaw assembly, the first clamping jaw assembly clamps the drilling tool 32 through the first clamping jaw 1 and the first clamping jaw 2, so that materials and processing cost are saved.
As shown in fig. 3 and 4, when the first clamping jaw 1 and the second clamping jaw 2 are in the clamping state 1, the drilling tool 32 and the two clamping parts 5 form two line contacts respectively;
as shown in fig. 5 and 6, when the first clamping jaw 1 and the second clamping jaw 2 are in the clamping state 2, the drilling tool 32 and the two clamping parts 5 form at least two line contacts respectively;
as shown in fig. 7 and 8, when the first clamping jaw 1 and the second clamping jaw 2 are in the clamping state 3, the drilling tool 32 and the two clamping parts 5 form two line contacts respectively;
it can be seen that when the two clamping portions 5 are clamped with the drilling tool 32, at least four line contacts between the two clamping portions 5 and the drilling tool 32 can be ensured, and compared with clamping jaws with circular arc-shaped inner peripheral surfaces or other shapes, the clamping range is wide, and the clamping effect is good.
Example 2:
as shown in fig. 9 and 11, the present embodiment is a second jaw assembly provided with a third jaw 6 and a fourth jaw 7; in the working state, the third clamping jaw 6 and the fourth clamping jaw 7 are arranged in opposite directions and are in an splayed shape.
As shown in fig. 9 and 10, the third clamping jaw 6 is provided with a third screwing section 8, and threads are arranged on the outer side of the third screwing section 8; the upper end of the third screwing section 8 is provided with a third clamping section 9, and the third screwing section 8 is fixedly connected with the third clamping section 9; the inner sides of the third clamping sections 9 are respectively provided with a third clamping part; an arc-shaped concave part 14 is arranged at the center of the inner side of the third clamping part; symmetrical tooth-shaped protrusions 15 are arranged on two sides of the arc-shaped concave portion 14.
As shown in fig. 11 and 12, the fourth clamping jaw 7 is provided with a fourth screwing section 24, the fourth screwing section 24 has the same structure as the third screwing section 8, and the outer sides of the fourth screwing section 24 are provided with threads; the upper end of the fourth screwing section 24 is provided with a fourth clamping section 10; the fourth screw-on section 24 is fixedly connected with the fourth clamping section 10; a fourth clamping part is arranged on the inner side of the fourth clamping section 10, a strip-shaped concave part 11 is arranged at the center of the inner side of the fourth clamping part, and the strip-shaped concave part 11 is in a cuboid shape; the side wall is vertical to the bottom wall; smooth parts 12 are arranged on two sides of the long-strip-shaped concave part 11, and the smooth parts 12 are perpendicular to the side walls of the long-strip-shaped concave part 11; the smooth portion 12 is provided with a clasping portion 13 on both sides.
As shown in fig. 13 and 14, when the third clamping jaw 6 and the fourth clamping jaw 7 are in the clamping state 1, the drilling tool 32 and the tooth-shaped protrusions 15 of the third clamping portion form two line contacts, and form two line contacts with the enclasping portion 13 of the fourth clamping portion;
as shown in fig. 15 and 16, when the third clamping jaw 6 and the fourth clamping jaw 7 are in the clamping state 2, the drilling tool 32 and the tooth-shaped protrusion 15 of the third clamping portion form two line contacts, and form two line contacts with the strip-shaped concave portion 11 of the fourth clamping portion;
as shown in fig. 17 and 18, when the third clamping jaw 6 and the fourth clamping jaw 7 are in the clamping state 3, the drilling tool is in line contact with the arc-shaped concave part 14 of the third clamping part and in two line contacts with the strip-shaped concave part 11 of the fourth clamping part;
it can be seen that when the second jaw assembly clamps drilling tools 32 of different sizes, it forms at least 3 line contacts with the drilling tools 32, so that the clamping range is wide on the one hand and the clamping effect is good on the other hand.
Example 3:
as shown in fig. 19, the present embodiment is a drill chuck provided with a front sleeve 16 and a rear sleeve 17; the front sleeve 16 is positioned above the rear sleeve 17; the front sleeve 16 and the rear sleeve 17 are internally provided with a first drill body 18, and the lower end of the first drill body 18 is fixedly connected with the rear sleeve 17; the upper end of the first drill body 18 is connected with a front cover 25 in an interference manner; the inner side of the upper end of the front sleeve 16 is provided with a limit step 37 along the circumferential direction, and the limit step 37 is matched with the front cover 25 to prevent the front sleeve 16 from falling out of the upper end of the first drill body 18; two symmetrical clamping jaw holes are formed in the side wall of the first drill body 18; a clamping jaw assembly is arranged in the clamping jaw hole, and penetrates through the clamping jaw hole to enter the inner side of the first drill body 18 from the outer side of the first drill body 18; the jaw assembly may be the first jaw assembly in embodiment 1 or the second jaw assembly in embodiment 2.
The middle part of the first drill body 18 is provided with a first supporting step 19, the upper end of the first supporting step 19 is provided with a first gasket 20, and the first gasket 20 is sleeved on the outer circumferential surface of the first drill body 18 and is in clearance fit with the first drill body 18; the upper end of the first gasket 20 is provided with a bearing 21; the bearing 21 is sleeved on the outer circumferential surface of the first drill body 18 and is in clearance fit with the first drill body 18; the upper end of the bearing 21 is provided with a nut 22, and the nut 22 has two petals; the nut 22 is fixedly connected with a nut sleeve 23, and the nut sleeve 23 is connected with the front sleeve 16; wherein, the nut 22 and the nut sleeve 23 are both sleeved on the outer circumferential surface of the first drill body 18 and are in clearance fit with the first drill body 18; the screw 22 is internally provided with a thread which cooperates with the screwing section 3 in embodiment 1 or the third screwing section 8 in embodiment 2.
Wherein, the bearing 21 is assembled between the first gasket 20 and the nut 22, so that the sliding friction force between the nut 22 and the first gasket 20 can be reduced by rolling friction, the torque input is improved, and the torque loss is reduced.
When the drill chuck is used for fixing a drilling tool, the rear sleeve 17 is fixed, the front sleeve 16 is rotated, the front sleeve 16 drives the nut sleeve 23 to rotate, and the nut sleeve 23 drives the nut 22 to rotate; when it is used in combination with the first jaw assembly of embodiment 1, the threads on the inner side of the nut 22 cooperate with the first jaw 1 and the second jaw 2, and the first jaw assembly is moved upward by the threaded drive, and the first jaw 1 and the second jaw 2 are moved simultaneously to clamp the drilling tool 32.
When used in combination with the second jaw assembly of example 2, the threads on the inside of the nut 22 cooperate with the third jaw 6 and the fourth jaw 7 to move the second jaw assembly upward through the threaded drive, and the third jaw 6 and the fourth jaw 7 move simultaneously to clamp the drill 32.
The rear end of the first drill body 18 of the drill chuck is connected with equipment such as an electric tool by threads, taper holes or other connection modes, and the equipment such as the electric tool is connected with the drill chuck to transmit power to the drill chuck to drive the drilling tool to work.
As shown in fig. 20 and 21, in this embodiment, a plurality of driving claws 33 are uniformly disposed at the upper end of the inner side of the front cover 16, the driving claws 33 are rectangular, and a notch 34 is disposed at one side of the lower end of the driving claws near the inner wall of the front cover 16; the nut sleeve 23 is provided with a driving hole 35 matched with the driving claw 33, the driving claw 33 inside the front sleeve 16 is inserted into the driving hole 35 of the nut sleeve 23, so that the nut sleeve 23 and the front sleeve 16 are integrated, the nut sleeve 23 and the front sleeve 16 rotate together, and the relative sliding of the nut sleeve 23 and the front sleeve 16 in the rotating process is avoided.
Example 4:
the invention is provided with a jacket 26, and the upper end of the jacket 26 is fixedly provided with a bevel gear 30; the outer sleeve 26 and the conical gear 30 are internally provided with a second drill body 27; the lower end of the second drill body 27 is in clearance fit with the lower end of the outer sleeve 26, and the upper end of the second drill body penetrates through the conical gear 30 and is in clearance fit with the conical gear 30; two symmetrical clamping jaw holes are formed in the side wall of the second drill body 27; a clamping jaw assembly is arranged in the clamping jaw hole, and penetrates through the clamping jaw hole to enter the inner side of the second drill body 27 from the outer side of the second drill body 27; the jaw assembly may be the first jaw assembly in embodiment 1 or the second jaw assembly in embodiment 2.
The middle part of the second drill body 27 is provided with a second supporting step 31; the upper end of the second supporting step 31 is provided with a second gasket 28; the upper end of the second gasket 28 is provided with a toothed nut 29; the toothed nut 29 is fixedly connected with the outer sleeve 26. The toothed nut 29 is provided on the inside with a thread which cooperates with the screwing section 3 in example 1 or the third screwing section 8 in example 2.
When the drill chuck is used for fixing the drilling tool, the bevel gear 30 is rotated by the key 36, the bevel gear 30 drives the outer sleeve 26 and the toothed nut 29 to rotate together, and the toothed nut 29 is matched with the first clamping jaw assembly or the second clamping jaw assembly, so that the first clamping jaw assembly or the second clamping jaw assembly clamps the drilling tool.
However, the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention are intended to fall within the scope of the claims.

Claims (1)

1. A drill chuck, characterized in that: the drill chuck is provided with a clamping jaw assembly, the clamping jaw assembly is provided with a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are both provided with a screwing section, and the outer side of the screwing section is provided with threads; a clamping section is arranged above the screwing section; the screwing section is fixedly connected with the clamping section; the inner side of the clamping section of the first clamping jaw is provided with a first clamping part, and the inner side of the clamping section of the second clamping jaw is provided with a second clamping part matched with the first clamping part;
an arc-shaped concave part is arranged at the center of the inner side of the first clamping part; symmetrical tooth-shaped bulges are arranged on two sides of the arc-shaped concave part; the center of the inner side of the second clamping part is provided with a strip-shaped concave part which is in a cuboid shape, and the side wall of the strip-shaped concave part is perpendicular to the bottom wall; smooth parts are arranged on two sides of the strip-shaped concave part and are perpendicular to the side walls of the strip-shaped concave part; the two sides of the smooth part are provided with holding parts;
the drill chuck is also provided with a front sleeve and a rear sleeve; the front sleeve is positioned above the rear sleeve; the front sleeve and the rear sleeve are internally provided with a first drill body; the lower end of the first drill body is fixedly connected with the rear sleeve; the upper end of the first drill body is connected with a front cover in an interference manner; a limiting step is arranged on the inner side of the upper end of the front sleeve along the circumferential direction of the front sleeve; two symmetrical clamping jaw holes are formed in the side wall of the first drill body; the clamping jaw assembly is positioned in the clamping jaw hole;
the middle part of the first drill body is provided with a first supporting step, the upper end of the first supporting step is provided with a first gasket, and the first gasket is sleeved on the outer circumferential surface of the first drill body and is in clearance fit with the first drill body; the upper end of the first gasket is provided with a nut, the nut is fixedly connected with a nut sleeve, and the nut sleeve is connected with the front sleeve; the nut and the nut sleeve are sleeved on the outer circumferential surface of the first drill body and are in clearance fit with the first drill body; threads are arranged on the inner side of the nut;
a bearing is arranged between the first gasket and the nut, and the bearing is sleeved on the outer circumferential surface of the first drill body and is in clearance fit with the first drill body;
the upper end of the inner side of the front sleeve is uniformly provided with a plurality of driving claws, the driving claws are cuboid, and a notch is formed in one side, close to the inner wall of the front sleeve, of the lower end of the driving claws; the nut is sleeved with a driving hole matched with the driving claw.
CN201810503995.1A 2018-05-23 2018-05-23 Clamping jaw assembly and drill chuck Active CN108526503B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201810503995.1A CN108526503B (en) 2018-05-23 2018-05-23 Clamping jaw assembly and drill chuck
PCT/CN2019/087717 WO2019223670A1 (en) 2018-05-23 2019-05-21 Gripper assembly and drill chuck
US17/044,294 US11400526B2 (en) 2018-05-23 2019-05-21 Clamping jaw assembly and drill chuck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810503995.1A CN108526503B (en) 2018-05-23 2018-05-23 Clamping jaw assembly and drill chuck

Publications (2)

Publication Number Publication Date
CN108526503A CN108526503A (en) 2018-09-14
CN108526503B true CN108526503B (en) 2024-02-23

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Application Number Title Priority Date Filing Date
CN201810503995.1A Active CN108526503B (en) 2018-05-23 2018-05-23 Clamping jaw assembly and drill chuck

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11400526B2 (en) * 2018-05-23 2022-08-02 Shandong Weida Machinery Co., Ltd. Clamping jaw assembly and drill chuck
CN110144436B (en) * 2019-06-11 2022-03-01 山东威达机械股份有限公司 Laser quenching method of clamping jaw

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148712A (en) * 2014-08-19 2014-11-19 山东威达机械股份有限公司 Impact-resistant locking type spanner drill chuck
CN104439350A (en) * 2014-12-05 2015-03-25 常熟市贝特机电制造有限公司 Chuck
CN104942323A (en) * 2015-07-15 2015-09-30 山东威达机械股份有限公司 Noiseless self-locking drill chuck
DE202016006188U1 (en) * 2016-09-29 2016-10-18 Gebr. Heller Maschinenfabrik Gmbh Clamping jaw for chucks for machine tools and chucks
CN208495830U (en) * 2018-05-23 2019-02-15 山东威达机械股份有限公司 A kind of clip claw assembly and drill chuck

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148712A (en) * 2014-08-19 2014-11-19 山东威达机械股份有限公司 Impact-resistant locking type spanner drill chuck
CN104439350A (en) * 2014-12-05 2015-03-25 常熟市贝特机电制造有限公司 Chuck
CN104942323A (en) * 2015-07-15 2015-09-30 山东威达机械股份有限公司 Noiseless self-locking drill chuck
DE202016006188U1 (en) * 2016-09-29 2016-10-18 Gebr. Heller Maschinenfabrik Gmbh Clamping jaw for chucks for machine tools and chucks
CN208495830U (en) * 2018-05-23 2019-02-15 山东威达机械股份有限公司 A kind of clip claw assembly and drill chuck

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