CN2573133Y - Lead screw drive mechanism o f wire cutting machine bench - Google Patents
Lead screw drive mechanism o f wire cutting machine bench Download PDFInfo
- Publication number
- CN2573133Y CN2573133Y CN 02264102 CN02264102U CN2573133Y CN 2573133 Y CN2573133 Y CN 2573133Y CN 02264102 CN02264102 CN 02264102 CN 02264102 U CN02264102 U CN 02264102U CN 2573133 Y CN2573133 Y CN 2573133Y
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- CN
- China
- Prior art keywords
- side bearing
- nut
- screw
- fastening screw
- trip bolt
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a lead screw drive mechanism of a wire cutting machine working bench. The utility model comprises a first side bearing < 14 >, a second side bearing < 10 >, a screw rod < 9 >, and a mother nut < 7 >, wherein, a fastening nut < 16 > is connected and matched in a thread mode with the screw rod < 9 >. At least one sliding block < 1 > is arranged in a sliding mode on the fastening nut < 16 > along the radial direction of the fastening nut < 16 >. The inner end of the sliding block < 1 > is provided with threads which are matched and connected with threads on the surface of the screw rod < 9 >. The inner end of a fastening screw < 2 > is butted and pressed on the outer end of the sliding block < 1 >. After the screw is tightly screwed, the sliding block can be firmly combined with the screw rod. The axial gap of the screw rod can be adjusted to a small range. Thus, processing precision is high when workpieces are processed.
Description
Technical field
The utility model relates to a kind of wire cutting machine tool.
Background technology
The lead screw transmission mechanism of wire electrode cutting bench, comprise first side bearing, second side bearing, be arranged on the inner ring of described first side bearing and the leading screw on the inner ring of second side bearing, be enclosed within on the described leading screw and the mother nut that connects of threaded engagement with it, the bearing block of described first side bearing, the bearing block of second side bearing is connected with first planker respectively, described mother nut is connected with second planker by the nut angle bar, pressure ring is enclosed within on the leading screw and is pressed on the inner ring of first side bearing, fastening screw nut and threads of lead screw are connected, and fastening screw nut is pressed in a side of pressure ring; For fastening screw nut is fixed on the leading screw, shown in accompanying drawing 4 and accompanying drawing 5, by a plurality of trip bolts radially fastening screw nut is locked onto on the leading screw, but because the inner face of trip bolt is the plane, and the leading screw surface is threaded, therefore the interior transverse plane of trip bolt is pressed on the screw thread on leading screw surface, both combinations are not fine, vibrate at leading screw, in the rotary course, relatively poor because of the two associativity, therefore be easy to become flexible, make that fastening screw nut and leading screw become flexible after, the leading screw and first side bearing, second side bearing can produce end play, and the machining accuracy of line cutting is affected.
Summary of the invention
The purpose of this utility model is to provide the lead screw transmission mechanism of the high wire electrode cutting bench of a kind of machining accuracy.
The technical solution of the utility model is: a kind of lead screw transmission mechanism of wire electrode cutting bench, comprise first side bearing, second side bearing, be arranged on the inner ring of described first side bearing and the leading screw on the inner ring of second side bearing, be enclosed within on the described leading screw and the mother nut that connects of threaded engagement with it, the bearing block of described first side bearing, the bearing block of second side bearing is connected with first planker respectively, described mother nut is connected with second planker, fastening screw nut and threads of lead screw are connected, fastening screw nut is pressed to the inner ring of first side bearing, on fastening screw nut, along radially sliding of fastening screw nut be provided with at least one slide block, the inner end of described slide block is provided with screw thread, this screw thread is connected with the threads engaged on leading screw surface, the axial line of trip bolt is along the radially setting of fastening screw nut, trip bolt is connected with the fastening screw nut threaded engagement, and the inner of trip bolt is pressed on the outer end of slide block.
The utility model compared with prior art has following advantage:
Because of the inner end of slide block is provided with screw thread, this screw thread is connected with the threads engaged on leading screw surface, therefore the slide block inner end contacts with leading screw surface large tracts of land, behind screw-driving, slide block is combined securely, with leading screw in case fastening screw nut is locked into place, the axial clearance regulation that then can make leading screw is to small range, can guarantee the perpendicularity of fastening screw nut and leading screw, reduce the periodic error of leading screw, guarantee the high accuracy of work piece.
Description of drawings
Accompanying drawing 1 is structure master's cutaway view of the present utility model;
The structure left view that accompanying drawing 2 is connected with leading screw for fastening screw nut of the present utility model;
Accompanying drawing 3 is the A-A direction cutaway view of accompanying drawing 2;
The structural front view that accompanying drawing 4 is connected with leading screw for fastening screw nut of the prior art;
Accompanying drawing 5 is the B-B direction cutaway view of accompanying drawing 4;
The structural front view that accompanying drawing 6 is connected with leading screw for the fastening screw nut of another kind of prior art;
Accompanying drawing 7 is the C-C direction cutaway view of accompanying drawing 6; Wherein:
[1], slide block; [2], trip bolt; [3], bearing cap; [4], bearing block; [5], spacer ring; [6], pay nut; [7], mother nut; [8], nut angle bar; [9], leading screw; [10], second side bearing; [11], travelling gear; [12], motor; [13], travelling gear; [14], first side bearing; [15], pressure ring; [16], fastening screw nut; [17], screw;
The specific embodiment
Referring to accompanying drawing 1 to accompanying drawing 3, a kind of lead screw transmission mechanism of wire electrode cutting bench, comprise first side bearing [14], second side bearing [10], be arranged on the inner ring of described first side bearing [14] and the leading screw [9] on the inner ring of second side bearing [10], be enclosed within described leading screw [9] and go up also the mother nut [7] of threaded engagement connection with it, the bearing block of described first side bearing [14], the bearing block of second side bearing [10] be fixedly connected with first planker respectively (first planker does not draw among the figure), described mother nut [7] is not by nut angle bar [8] and second planker be fixedly connected (second planker draws among the figure), a pressure ring [15] is enclosed within leading screw [9] and goes up and be pressed on the inner ring of first side bearing [14], a fastening screw nut [16] is connected with leading screw [9] threaded engagement, and fastening screw nut [16] is pressed in a side of pressure ring [15]; On fastening screw nut [16], be provided with at least one slide block [1] along fastening screw nut [16] with radially sliding, generally speaking, the number of slide block [1] mostly is four most, slide block [1] should directly cut down one from fastening screw nut [16], the inner end of described slide block [1] is provided with screw thread, this screw thread is connected with the threads engaged on leading screw [9] surface, the axial line of trip bolt [2] is along the radially setting of fastening screw nut [16], trip bolt [2] is connected with fastening screw nut [16] threaded engagement, and the inner of trip bolt [2] is pressed on the outer end of slide block [1].
As shown in Figures 1 and 2, the inner end of described trip bolt [2] is conical, and the tip of this trip bolt [2] is pressed on the outer face of slide block [1].This is because if the lower end of trip bolt [2] contacts with two planes with slide block [1], when if these two planes not exclusively coincide, after tightening, trip bolt [2] can cause fastening screw nut [16] distortion, the bearing block that causes first side bearing [14] is crooked, leading screw can twist when rotating and produce periodic error, causes the processing precise degree of workpiece is descended.If adopt the point of trip bolt [2] to contact with the outer end of slide block [1], then can autobalance slide block [1], can not cause the distortion of fastening screw nut [16].If the outer end of slide block [1] is a sharp cone distal, and the inner of trip bolt [2] is a flat-head shape, can think that then the equivalence of said structure is replaced.
Claims (2)
1, a kind of lead screw transmission mechanism of wire electrode cutting bench, comprise first side bearing [14], second side bearing [10], be arranged on the inner ring of described first side bearing [14] and the leading screw [9] on the inner ring of second side bearing [10], be enclosed within described leading screw [9] and go up also the mother nut [7] of threaded engagement connection with it, the bearing block of described first side bearing [14], the bearing block of second side bearing [10] is connected with first planker respectively, described mother nut [7] is connected with second planker, a fastening screw nut [16] is connected with leading screw [9] threaded engagement, and fastening screw nut [16] is pressed to the inner ring of first side bearing [14]; It is characterized in that: on fastening screw nut [16], be provided with at least one slide block [1] along fastening screw nut [16] with radially sliding, the inner end of described slide block [1] is provided with screw thread, this screw thread is connected with the threads engaged on leading screw [9] surface, the axial line of trip bolt [2] is along the radially setting of fastening screw nut [16], trip bolt [2] is connected with fastening screw nut [16] threaded engagement, and the inner of trip bolt [2] is pressed on the outer end of slide block [1].
2, the lead screw transmission mechanism of wire electrode cutting bench according to claim 1 is characterized in that: the inner end of described trip bolt [2] is for conical, and the tip of this trip bolt [2] is pressed on the outer face of slide block [1].
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02264102 CN2573133Y (en) | 2002-08-29 | 2002-08-29 | Lead screw drive mechanism o f wire cutting machine bench |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02264102 CN2573133Y (en) | 2002-08-29 | 2002-08-29 | Lead screw drive mechanism o f wire cutting machine bench |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2573133Y true CN2573133Y (en) | 2003-09-17 |
Family
ID=33730365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02264102 Expired - Fee Related CN2573133Y (en) | 2002-08-29 | 2002-08-29 | Lead screw drive mechanism o f wire cutting machine bench |
Country Status (1)
Country | Link |
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CN (1) | CN2573133Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100443776C (en) * | 2005-01-11 | 2008-12-17 | Ims传动装置有限公司 | Gear for an adjusting device |
-
2002
- 2002-08-29 CN CN 02264102 patent/CN2573133Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100443776C (en) * | 2005-01-11 | 2008-12-17 | Ims传动装置有限公司 | Gear for an adjusting device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |