CN105869479A - Teaching device for demonstrating all form and location tolerance detection methods - Google Patents
Teaching device for demonstrating all form and location tolerance detection methods Download PDFInfo
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- CN105869479A CN105869479A CN201510031999.0A CN201510031999A CN105869479A CN 105869479 A CN105869479 A CN 105869479A CN 201510031999 A CN201510031999 A CN 201510031999A CN 105869479 A CN105869479 A CN 105869479A
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Abstract
The invention provides a teaching device for demonstrating all form and location tolerance detection methods. One end of each dual-end left-right rotary bolt is connected with a reference platform; the other ends of the dual-end left-right rotary bolts are screwed with bases having screw holes; a screw rod in a lower layer is provided with screw nuts; two ends of the screw rod are fixed to bearing seats; one end of the screw rod is provided with a scale turn button; two linear guide rails parallel to the screw rod and the bearing seats are fixed on a lower pedestal; the lower pedestal is fixedly connected with the reference platform; mounting structures in a middle layer and an upper layer are the same with that of the lower layer; a dual-tip bottom plate is fixed on the reference platform and is provided with two linear guide rails, wherein the linear guide rails are provided with a fixed tail seat, a slide seat and an adjustable tail seat; a revolving body workpiece can be clamped by the tips of the fixed tail seat and the adjustable tail seat; one dual-end left-right rotary bolt is screwed on the base having the screw hole, and the height of one end of a reference block can be adjusted through one end of the dual-end left-right rotary bolt, and therefore, the reference surface of the reference block can be positioned in a needed angle; and in usage, a groove-type slide block, a layout pedestal and the revolving body workpiece are fixedly installed, so that all form and location tolerance detection methods can be demonstrated.
Description
Technical field
The present invention relates to a kind of instructional device demonstrating all form and position tolerance detection methods, a kind of instructional device demonstrating all form and position tolerance detection methods.
Background technology
Through the investigation in mechanical speciality class teacher, student and pre-internship time base is found, the teaching equipment of " tolerance fit and the technology of measurement " course is expensive with instrument price, operating condition requires higher, function is limited, carry inconvenience, the measuring method of part form and position tolerance can only be demonstrated, be therefore unsatisfactory for teaching practice demand, not the most economical and practicality.
Summary of the invention
It is an object of the invention to provide a kind of instructional device demonstrating all form and position tolerance detection methods, it is possible to assisted teacher demonstrates all of form tolerance and position of related features measuring method very easily, easy to carry, has good economy and practicality.
The present invention includes reference platform, grooved slide block, profile base, revolving body workpieces, the technical scheme used is: reference platform has 3 screwed holes, double end left-and-right spiral bolt one end screws with the right-handed thread hole of reference platform, the other end screws with the left handed threaded hole of base with threaded hole, during enforcement, rotate the levelness of 3 double end left-and-right spiral bolt regulation reference platforms respectively；Space coordinates are set up at one angle of selection reference platform, lower base is fixed on reference platform, the base graduation mark with millimeter as minimum scale of a length of 10 centimetres it is carved with on lower base side, lower base two ends are fixed with bearing block and top tape thread spindle bearing, the screw mandrel two ends of lower floor are fixed on bearing block and top tape thread spindle bearing by bearing, screw mandrel one end of lower floor is stretched out and connects dialing knob, and clamping screw is installed at the top of top tape thread spindle bearing, 2 line slideways parallel with the screw mandrel of lower floor it are fixed with on lower base, it is furnished with nut on the screw mandrel of lower floor, nut screw connection is on line slideway, a length of 49 millimeters and be divided into 50 nut graduation marks it are carved with on the side that nut is identical with lower base, end face at nut is provided with middle level base；The base graduation mark with millimeter as minimum scale of a length of 10 centimetres it is carved with in the chassis side of middle level, base two ends, middle level are fixed with bearing block and top tape thread spindle bearing, the screw mandrel two ends in middle level are fixed on bearing block and top tape thread spindle bearing by bearing, the screw mandrel one end in middle level is stretched out and connects dialing knob, and clamping screw is installed at this end top tape thread spindle bearing top, 2 line slideways parallel with the screw mandrel in middle level it are fixed with on the base of middle level, equipped with nut on the screw mandrel in middle level, nut screw connection is on line slideway, be carved with a length of 49mm on the side that nut is identical with middle level base is divided into 50 nut graduation marks；The nut in middle level is provided with middle contiguous block, upper strata base is fixing with middle contiguous block to be connected, the base graduation mark with millimeter as minimum scale of a length of 10 centimetres it is carved with in the chassis side of upper strata, base two ends, upper strata are fixed with 2 bearing blocks, the screw mandrel two ends on upper strata are fixed on bearing block by bearing, the screw mandrel one end on upper strata is stretched out and connects dialing knob, 2 line slideways parallel with the screw mandrel on upper strata it are fixed with on the base of upper strata, it is furnished with nut on the screw mandrel on upper strata, nut screw connection is on line slideway, be carved with a length of 49mm on the side that nut is identical with upper strata base is divided into 50 nut graduation marks, the nut on upper strata is provided with regulating arm, side head or dial gauge are installed on regulating arm, one end of gauge head is spherical in shape, cylindrical one end makes to be tightened by bolts；During enforcement, ensure that 3 nuts are fastened in space coordinates by 3 dialing knob of rotation and move along a straight line along X-axis, Y-axis and Z axis, read workpiece coordinate value by base plate graduation mark with nut graduation mark；Double Tops point base plate is fixed on reference platform and is provided with 2 parallel line slideways, line slideway left end is equipped with fixing tailstock, centre is furnished with slide, right-hand member is equipped with adjustable tailstock, and fixing tailstock top is provided with taper hole and is furnished with top, and adjustable tailstock end has screwed hole and to be furnished with screw thread top, adjustable tailstock and fixing tailstock top coaxially, clamping revolving body workpieces, the extension of slide is provided with regulating arm, and regulating arm connects dial gauge；During enforcement, rotate the screw thread on adjustable tailstock top, clamp and dismantle revolving body workpieces, slip slide, demonstrate revolving body workpieces form and position tolerance detection method；With different size tapped through hole bottom reference block, two adjacent side connect the most equal datum plate, 1 double end left-and-right spiral bolt one end screws on base with threaded hole, the other end supports the height of regulation reference block one end, the upper datum level making reference block is in the angle of needs, is placed on reference block by grooved slide block, is arranged in the screwed hole of reference block by double end left-and-right spiral bolt, supporting grooved slide block, demonstrates grooved slide block form and position tolerance detection method；The bottom of grooved slide block has bottom groove, and top is provided with top bevel, and there are 4 through holes being parallel to each other side, and wherein 2 through holes are by bottom groove, and 2 through holes are not by bottom groove；The upper surface of profile base is symmetrical wheel profile surface；Revolving body workpieces has 3 coaxial faces of cylinder, and middle circle cylinder diameter is maximum, and the face of cylinder, the left side and the face of cylinder, the right diameter are sequentially reduced, and the left face of cylinder and right column surface are provided with centre bore.
Beneficial effects of the present invention is as follows: by the setting of this spline structure, it is possible to demonstrate all form and position tolerance detection methods intuitively, easy to operate, it is simple to teaching；With strong points, design mainly for the actual demand of present stage ordinary higher learning school's demonstration form and position tolerance detection method；Guided bone is strong, during lesson presentation, teacher can be to mechanical part classification, set learning tasks situation, guiding student is familiar with and the principle grasping relevant form and position tolerance detection method step by step, student can obtain measurement result the very first time, thus their measurement process is carried out self assessment and adjustment, sufficiently tempers and improve starting and elaborative faculty of student.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the grooved slide block structure schematic diagram of the present invention.
Fig. 3 is the profile understructure schematic diagram of the present invention.
Fig. 4 is the revolving body workpieces structural representation of the present invention.
nullIn figure: 1、Reference platform，2、Double end left-and-right spiral bolt，3、Base with threaded hole，4、Grooved slide block，5、Profile base，6、Revolving body workpieces，7、Lower base，8、Line slideway，9、Bearing block，10、Screw mandrel，11、Nut，12、Dialing knob，13、Middle level base，14、Base graduation mark，15、Nut graduation mark，16、Top tape thread spindle bearing，17、Clamping screw，18、Middle contiguous block，19、Regulating arm，20、Upper strata base，21、Screw thread is top，22、Double Tops point base plate，23、Fixing tailstock，24、Slide，25、Adjustable tailstock，26、Reference block，27、Datum plate，28、Through hole，29、Bottom groove，30、Top bevel，31、Symmetrical wheel profile surface，32、Right column surface，33、Middle circle cylinder，34、The left face of cylinder，35、Centre bore.
Detailed description of the invention
Shown in Fig. 1,2,3,4: double end left-and-right spiral bolt 2 one end is arranged on the bottom of reference platform 1, the other end is arranged on base 3 with threaded hole；nullLower base 7 is fixed on reference platform 1，The side of lower base 7 is carved with the base graduation mark 14 with millimeter as minimum scale of a length of 10 centimetres，The two ends of lower base 7 are fixed with bearing block 9 and top tape thread spindle bearing 16，Screw mandrel 10 two ends of lower floor are fixed on bearing block 9 and top tape thread spindle bearing 16 by bearing，Screw mandrel 10 one end of lower floor is stretched out and connects dialing knob 12，And clamping screw 17 is installed at the top of top tape thread spindle bearing 16，2 line slideways 8 parallel with the screw mandrel 10 of lower floor it are fixed with on lower base 7，It is furnished with nut 11 on the screw mandrel 10 of lower floor，Nut 11 coordinates with line slideway 8，A length of 49 millimeters and be divided into 50 nut graduation marks 15 it are carved with on the side that nut 11 is identical with lower base 7，End face at nut 11 is provided with middle level base 13；The base graduation mark 14 with millimeter as minimum scale of a length of 10 centimetres it is carved with on middle level base 13 side, the two ends of middle level base 13 are fixed with bearing block 9 and top tape thread spindle bearing 16, screw mandrel 10 two ends in middle level are fixed on bearing block 9 and top tape thread spindle bearing 16 by bearing, screw mandrel 10 one end in middle level is stretched out and connects dialing knob 12, and clamping screw 17 is installed at the top of top tape thread spindle bearing 16, 2 line slideways 8 parallel with the screw mandrel 10 in middle level it are fixed with on middle level base 13, it is furnished with nut 11 on the screw mandrel 10 in middle level, nut 11 coordinates with line slideway 8, be carved with a length of 49mm on the side that nut 11 is identical with middle level base 13 is divided into 50 nut graduation marks 15；nullThe nut 11 in middle level is provided with middle contiguous block 18，Upper strata base 20 is fixing with middle contiguous block 18 to be connected，The base graduation mark 14 with millimeter as minimum scale of a length of 10 centimetres it is carved with on the side of upper strata base 20，The two ends of upper strata base 20 are fixed with 2 bearing blocks 9，Screw mandrel 10 two ends on upper strata are fixed on bearing block 9 by bearing，Screw mandrel 10 one end on upper strata is stretched out and connects dialing knob 12，2 line slideways 8 parallel with the screw mandrel 10 on upper strata it are fixed with on upper strata base 20，It is furnished with nut 11 on the screw mandrel 10 on upper strata，Nut 11 coordinates with line slideway 8，Be carved with a length of 49mm on the side that nut 11 is identical with upper strata base 20 is divided into 50 nut graduation marks 15，The nut 11 on upper strata is provided with regulating arm 19，Side head or dial gauge are installed on regulating arm 19，One end of gauge head is spherical in shape，Cylindrical one end makes to be tightened by bolts；Double Tops point base plate 22 is fixed on reference platform 1 and is provided with 2 parallel line slideways 8, line slideway 8 left end is equipped with fixing tailstock 23, intermediate tie slide 24, right-hand member is equipped with adjustable tailstock 25, fixing tailstock 23 top is provided with taper hole and is furnished with top, and there is screwed hole adjustable tailstock 25 end is furnished with screw thread top 21, and adjustable tailstock 25 and fixing tailstock 23 top coaxial also clamps revolving body workpieces 6, the extension of slide 24 is provided with regulating arm 19, and regulating arm 19 connects dial gauge；With different size tapped through hole bottom reference block 26, two adjacent side connect the most equal datum plate 27,1 double end left-and-right spiral bolt 2 one end screws on base 3 with threaded hole, and the in the vertical direction other end supports the height of regulation reference block 26 one end；The bottom of grooved slide block 4 has bottom groove 29, and top is provided with top bevel 30, and there are 4 through holes being parallel to each other 28 side, and wherein 2 through holes 28 are not passed through bottom groove 29 through 29,2 through holes 28 of bottom groove；The upper surface of profile base 5 is symmetrical wheel profile surface 31；Revolving body workpieces 6 has 3 concentric faces of cylinder, and middle circle cylinder 33 diameter is maximum, and the left face of cylinder 34 and right column surface 32 diameter are sequentially reduced, and the left face of cylinder 34 and right column surface 32 are provided with centre bore 35.
Claims (1)
1. the instructional device demonstrating all form and position tolerance detection methods, including reference platform (1), grooved slide block (4), profile base (5) and revolving body workpieces (6), it is characterized in that: one end of double end left-and-right spiral bolt (2) is arranged on the bottom of reference platform (1), and the other end is arranged on base with threaded hole (3)；nullLower base (7) is fixed on reference platform (1)，The side of lower base (7) is carved with the base graduation mark (14) with millimeter as minimum scale of a length of 10 centimetres，The two ends of lower base (7) are fixed with bearing block (9) and top tape thread spindle bearing (16)，Screw mandrel (10) two ends of lower floor are fixed on bearing block (9) and top tape thread spindle bearing (16) by bearing，Screw mandrel (10) one end of lower floor is stretched out and connects dialing knob (12)，And clamping screw (17) is installed at the top of top tape thread spindle bearing (16)，Lower base (7) is fixed with 2 line slideways (8) parallel with the screw mandrel of lower floor (10)，It is furnished with nut (11) on the screw mandrel (10) of lower floor，Nut (11) coordinates with line slideway (8)，A length of 49 millimeters and be divided into 50 nut graduation marks (15) it are carved with on the side that nut (11) and lower base (7) are identical，End face at nut (11) is provided with middle level base (13)；nullThe base graduation mark (14) with millimeter as minimum scale of a length of 10 centimetres it is carved with on the side of middle level base (13)，The two ends of middle level base (13) are fixed with bearing block (9) and top tape thread spindle bearing (16)，Screw mandrel (10) two ends in middle level are fixed on bearing block (9) and top tape thread spindle bearing (16) by bearing，Screw mandrel (10) one end in middle level is stretched out and connects dialing knob (12)，And clamping screw (17) is installed at the top of top tape thread spindle bearing (16)，Middle level base (13) is fixed with 2 line slideways (8) parallel with the screw mandrel in middle level (10)，It is furnished with nut (11) on the screw mandrel (10) in middle level，Nut (11) coordinates with line slideway (8)，Be carved with a length of 49mm on the side that nut (11) is identical with middle level base (13) is divided into 50 nut graduation marks (15)；nullThe nut (11) in middle level is provided with middle contiguous block (18)，Upper strata base (20) is fixing with middle contiguous block (18) to be connected，The base graduation mark (14) with millimeter as minimum scale of a length of 10 centimetres it is carved with on the side of upper strata base (20)，The two ends of upper strata base (20) are fixed with 2 bearing blocks (9)，Screw mandrel (10) two ends on upper strata are fixed on bearing block (9) by bearing，Screw mandrel (10) one end on upper strata is stretched out and connects dialing knob (12)，2 line slideways (8) parallel with the screw mandrel on upper strata (10) it are fixed with on upper strata base (20)，It is furnished with nut (11) on the screw mandrel (10) on upper strata，Nut (11) coordinates with line slideway (8)，Be carved with a length of 49mm on the side that nut (11) is identical with upper strata base (20) is divided into 50 nut graduation marks (15)，The nut (11) on upper strata is provided with regulating arm (19)，Regulating arm is provided with side head or dial gauge on (19)，One end of gauge head is spherical in shape，Cylindrical one end makes to be tightened by bolts；Double Tops point base plate (22) are fixed on reference platform (1) and above and are provided with 2 parallel line slideways (8), line slideway (8) left end is equipped with fixing tailstock (23), centre is furnished with slide (24), right-hand member is equipped with adjustable tailstock (25), fixing tailstock (23) upper end is provided with taper hole and is furnished with top, there is screwed hole adjustable tailstock (25) upper end is furnished with screw thread top (21), adjustable tailstock (25) and fixing tailstock (23) top coaxial also clamps revolving body workpieces (6), the extension of slide (24) is provided with regulating arm (19), the upper connection of regulating arm (19) has dial gauge；Reference block (26) bottom is with different size tapped through hole, two adjacent side of reference block (26) connect the most equal datum plate (27), 1 double end left-and-right spiral bolt (2) one end screws on base with threaded hole (3), and the other end in the vertical direction of double end left-and-right spiral bolt (2) supports the height of regulation reference block (26) one end；The bottom of grooved slide block (4) has bottom groove (29), top is provided with top bevel (30), there are 4 through holes being parallel to each other (28) side, and wherein 2 through holes (28) are not passed through bottom groove (29) through bottom groove (29), 2 through holes (28)；The upper surface of profile base (5) is symmetrical wheel profile surface (31)；Revolving body workpieces (6) has 3 concentric faces of cylinder, and middle circle cylinder (33) diameter is maximum, and the left face of cylinder (34) and right column surface (32) diameter are sequentially reduced, and the left face of cylinder (34) and right column surface (32) are provided with centre bore (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031999.0A CN105869479A (en) | 2015-01-22 | 2015-01-22 | Teaching device for demonstrating all form and location tolerance detection methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031999.0A CN105869479A (en) | 2015-01-22 | 2015-01-22 | Teaching device for demonstrating all form and location tolerance detection methods |
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| Publication Number | Publication Date |
|---|---|
| CN105869479A true CN105869479A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510031999.0A Pending CN105869479A (en) | 2015-01-22 | 2015-01-22 | Teaching device for demonstrating all form and location tolerance detection methods |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806413A (en) * | 2017-04-28 | 2018-11-13 | 卫国教育科技（河源）有限公司 | A tolerance modeling practical traning platform |
| CN115064025A (en) * | 2022-06-02 | 2022-09-16 | 杭州永荣实业有限公司 | Geometric tolerance detection teaching experiment table |
-
2015
- 2015-01-22 CN CN201510031999.0A patent/CN105869479A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806413A (en) * | 2017-04-28 | 2018-11-13 | 卫国教育科技（河源）有限公司 | A tolerance modeling practical traning platform |
| CN115064025A (en) * | 2022-06-02 | 2022-09-16 | 杭州永荣实业有限公司 | Geometric tolerance detection teaching experiment table |
| CN115064025B (en) * | 2022-06-02 | 2023-11-21 | 杭州永荣实业有限公司 | Geometric tolerance detection teaching experiment table |
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Application publication date: 20160817 |