CN209894071U - Caliper for reducing machining requirements - Google Patents
Caliper for reducing machining requirements Download PDFInfo
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- CN209894071U CN209894071U CN201920916165.1U CN201920916165U CN209894071U CN 209894071 U CN209894071 U CN 209894071U CN 201920916165 U CN201920916165 U CN 201920916165U CN 209894071 U CN209894071 U CN 209894071U
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Abstract
The utility model relates to a caliper rule for reducing the machining requirement, which comprises a caliper rule body, a fixed measuring jaw, a caliper rule frame and a movable measuring jaw; the fixed measuring jaw is fixed at one end of the ruler body; the device also comprises a cylindrical guide rail and a fixed seat; the two fixed seats are respectively arranged at the two ends of the ruler body; the two ends of each cylindrical guide rail are respectively arranged on the two fixed seats and correspond to the position on one side of the ruler body, and the two cylindrical guide rails are arranged on the fixed seats and then are positioned after being pressed by corresponding first tools so that the respective cylindricity and the parallelism between the cylindricity and the parallelism reach the preset precision; the ruler frame is slidably sleeved on the two cylindrical guide rails. The cylindrical guide rail in the caliper is a standard part, and the cylindrical guide rail is pressed to a state that the cylindricity and the parallelism meet the requirements through a corresponding tool on the caliper, so that the high-precision machining which is difficult to realize is changed into high-precision assembly which is easy to realize, and the production cost is greatly reduced.
Description
Technical Field
The utility model relates to a measuring tool field, concretely relates to reduce slide caliper rule that machining required.
Background
The first vernier caliper in the world is produced in 1871 from German Mark company, mechanical components of a common caliper have been applied for more than two hundred years, and the basic structure and the production process of the vernier caliper are not changed greatly.
With the progress of science and technology, people create novel calipers such as calipers with meters, digital display calipers and the like, but mechanical components of the novel calipers are applied to the prior art, and the structure of the novel calipers is not changed greatly. The mechanical component of the caliper is a component composed of precise mechanical parts, the machining precision of the caliper is high, the manufacturing precision of the caliper is generally required to be more than 0.01mm, in order to prolong the service life of the caliper, the components are required to be subjected to heat treatment, in order to achieve the dimensional precision of the components, the components are required to be subjected to high-precision grinding machining, high-precision mechanical equipment and skilled workers with high technical level are required, the investment cost is high, and the proportion of the labor cost to the product cost is also high. For example, in order to ensure the measurement accuracy of the conventional caliper, a guide rail with ultrahigh accuracy needs to be machined on the caliper body for the caliper frame to slide, while the caliper body is generally of a long strip-shaped sheet structure, and on one hand, high-accuracy mechanical equipment is needed to machine the guide rail with ultrahigh accuracy on the caliper body; on the other hand, complicated processing procedures and high-tech technicians are required.
SUMMERY OF THE UTILITY MODEL
To sum up, for overcoming prior art's not enough, the utility model aims to solve the technical problem that a reduce slide caliper rule that machining required is provided.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a caliper capable of reducing machining requirements comprises a caliper body, a fixed measuring jaw, a caliper frame and a movable measuring jaw; the fixed measuring jaw is fixed at one end of the ruler body; the ruler frame can be sleeved on the ruler body in a sliding mode along the length direction of the ruler body, the movable measuring claw is fixed on the ruler frame, and the distance between the movable measuring claw and the fixed measuring claw corresponds to the measured size; the device also comprises a cylindrical guide rail and a fixed seat; the two fixed seats are respectively arranged at the two ends of the ruler body; the two ends of each cylindrical guide rail are respectively arranged on the two fixed seats and correspond to the position on one side of the ruler body, and the two cylindrical guide rails are arranged on the fixed seats and then are positioned after being pressed by corresponding first tools so that the respective cylindricity and the parallelism between the cylindricity and the parallelism reach the preset precision; the ruler frame is slidably sleeved on the two cylindrical guide rails.
The utility model has the advantages that: the cylindrical guide rail in the caliper is a standard part and has extremely high finish and hardness, the cylindrical guide rail is pressed on the caliper body through a corresponding tool until the cylindricity and the parallelism meet the requirements, and then the cylindrical guide rail is fixed by a bonding method, high-precision processing which is difficult to realize is changed into high-precision assembly which is easy to realize, the production cost is greatly reduced, and the measurement precision is favorably improved.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
furthermore, the positions, corresponding to the two sides of the end of the ruler body, of the fixing seat are respectively provided with a first round hole, the two ends of the cylindrical guide rail are respectively sleeved with the positioning sleeves and then are inserted into the corresponding first round holes, and glue for memorizing the position of the cylindrical guide rail after being pressed and mounted by the first tool and for bonding and positioning is filled in the first round holes.
The effect of adopting the further technical scheme is as follows: when the cylindrical guide rail is pressed to a state that the cylindricity and the parallelism meet the requirements, the current position of the cylindrical guide rail is memorized and positioned through glue.
Further, a movable grid is arranged on the ruler frame; the ruler body is a long-strip U-shaped sheet structure with a groove in the middle, and a strip-shaped fixed grid corresponding to the movable grid is arranged in the groove; the measuring tool is characterized in that a row of second round holes are formed in the measuring tool body and correspond to the bottoms in the grooves, gaskets matched with the second round holes are installed in the second round holes, one side, located at the bottom in the groove, of each gasket is an installation surface for installing the fixed grid, and the gaskets are installed in the round holes and then are positioned after being pressed by corresponding second tools, so that the parallelism of the installation surfaces and the planes of the cylindrical guide rails reaches preset precision.
The effect of adopting the further technical scheme is as follows: the gasket is pressed on the ruler body to be in a state meeting the requirement of the parallelism of the cylindrical guide rail through the corresponding tool, so that the dynamic clearance between the gasket and the moving grid is kept unchanged in the sliding measuring process of the ruler frame, the measuring precision of the digital caliper is further guaranteed, and high-precision machining which is difficult to realize is changed into high-precision assembling which is easy to realize.
Further, glue for memorizing the position of the gasket after press mounting and bonding and positioning is filled in the second round hole.
The effect of adopting the further technical scheme is as follows: when the gasket is pressed to be in a state that the parallelism of the gasket and the cylindrical guide rail meets the requirement, the current position of the gasket is memorized and positioned through glue.
Further, the device also comprises a depth gauge for measuring the depth dimension; one end of each cylindrical guide rail penetrates through the corresponding fixed seat and then is connected with the fixed measuring claw; one end of the depth gauge is fixed in the mounting groove of the gauge frame, and the other end of the depth gauge is a measuring end; the measuring end of the depth gauge extends towards the opposite direction of the fixed measuring jaw at one side of the gauge body far away from the fixed grid and penetrates through the corresponding fixed seat.
The effect of adopting the further technical scheme is as follows: and the measurement of the depth dimension is realized.
Further, two ends of the ruler frame, corresponding to one side of each cylindrical guide rail, far away from the ruler body, are respectively provided with a sliding block, and each sliding block is provided with a V-shaped groove; the two V-shaped grooves on the sliding blocks positioned on the same side of the ruler body are clamped on the same cylindrical guide rail and can slide along the cylindrical guide rail.
Furthermore, the device also comprises an elastic sheet; the two ends of the elastic sheet are respectively connected with the two sliding blocks which are positioned on the same side of the ruler body, and the middle parts of the elastic sheets are bent towards the corresponding cylindrical guide rails and abut against the corresponding cylindrical guide rails.
The beneficial effect of adopting the further scheme is that: the elastic force generated by the deformation of the elastic sheet acts on the ruler frame, and the moving force for driving the ruler frame to slide along the ruler body is constant under the action of the elastic force, so that the measurement precision is ensured.
Drawings
FIG. 1 is an overall view of the present invention;
FIG. 2 is an assembly view of the ruler body and the cylindrical guide rail;
FIG. 3 is an assembly view of the ruler frame and the slider;
FIG. 4 is a cross-sectional view of the holder away from the fixed measuring jaw;
FIG. 5 is a schematic structural diagram of the second embodiment;
fig. 6 is a schematic structural diagram of the third embodiment.
In the drawings, the components represented by the respective reference numerals are listed below:
1. ruler body, 2, fixed measuring jaw, 3, chi frame, 4, activity measuring jaw, 5, cylinder guide rail, 6, fixing base, 7, position sleeve, 8, gasket, 9, degree of depth chi, 10, slider, 11, shell fragment, 12, mounting groove.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example one
As shown in figure 1, the caliper capable of reducing machining requirements comprises a caliper body 1, a fixed measuring jaw 2, a caliper frame 3 and a movable measuring jaw 4. The fixed measuring jaw 2 is fixed at one end of the ruler body 1. The ruler frame 3 can be sleeved on the ruler body 1 in a sliding mode along the length direction of the ruler body, the movable measuring jaw 4 is fixed on the ruler frame 3, and the distance between the movable measuring jaw and the fixed measuring jaw 2 corresponds to the measured size. The measuring claw is made of hard alloy, has high wear resistance and can also be made of other hard materials. The caliper further comprises a cylindrical guide rail 5, a fixed seat 6 and an elastic sheet 11. The number of the fixed seats 6 is two, and the fixed seats are respectively arranged at two ends of the ruler body 1. The two cylindrical guide rails 5 are arranged, two ends of each cylindrical guide rail 5 are respectively arranged on the two fixed seats 6 and correspond to the position of one side of the ruler body 1, and the two cylindrical guide rails 5 are arranged on the fixed seats 6 and then are positioned after being pressed by corresponding first tools so that the respective cylindricity and the parallelism reach the preset precision. Ruler frame 3 slidable suit is in two on the cylindrical guide 5, specifically as follows: as shown in fig. 3, two ends of the ruler frame 3 corresponding to one side of each cylindrical guide rail 5 far away from the ruler body 1 are respectively provided with a sliding block 10, and each sliding block 10 is provided with a V-shaped groove. The two V-shaped grooves on the sliding blocks 10 on the same side of the ruler body 1 are clamped on the same cylindrical guide rail 5 and can slide along the cylindrical guide rail 5. The two ends of the elastic sheet 11 are respectively connected with the two sliding blocks 10 which are positioned on the same side of the ruler body 1, and the middle parts of the elastic sheets bend towards the corresponding cylindrical guide rails 5 and abut against the corresponding cylindrical guide rails 5. The elastic force generated by the deformation of the elastic sheet 10 acts on the ruler frame 3, and the moving force for driving the ruler frame 3 to slide along the ruler body 1/the cylindrical guide rail 5 is constant under the action of the elastic force, namely the ruler frame 3 slides at a constant speed, so that the measurement precision is ensured. The fixed measuring jaw 2, the movable measuring jaw 4, the cylindrical guide rail 5 and the fixed seat 6 are subjected to titanizing treatment, so that the service life of the caliper can be further prolonged.
As shown in fig. 2, the positions of the fixed seat 6 corresponding to the two sides of the end of the blade 1 are respectively provided with a first circular hole, the two ends of the cylindrical guide rail 5 are respectively sleeved with a positioning sleeve 7 and then inserted into the corresponding first circular holes, and the first circular holes are filled with glue for memorizing the position of the cylindrical guide rail 5 after being pressed by the first tool and bonding and positioning the position. The ruler body is generally of a long strip-shaped sheet structure, and high-precision mechanical equipment is needed on the one hand when a guide rail with ultrahigh precision is machined on the ruler body to ensure the measurement precision; on the other hand, complicated processing steps are required. This slide caliper rule replaces the process that traditional slide caliper rule need process the high accuracy slide rail on the blade through standard part cylinder guide rail 5, and cylinder guide rail 5 is the standard component, and it has very high quality and relatively low cost, as long as guarantee that cylinder guide rail 5 assembles the precision on the blade 1 just can guarantee the measurement accuracy of slide caliper rule, realize the precision that cylinder guide rail 5 assembled on the blade 1 through following mode:
firstly, two fixing seats 6 are respectively inserted at two ends of the ruler body 1 (a U-shaped groove matched with the ruler body 1 is arranged in the fixing seats 6) to form a rigid component, and then two ends of a cylindrical guide rail 5 are respectively sleeved with a positioning sleeve 7 and then are inserted into a corresponding first round hole of the fixing seats 6. And then, starting to press the cylindrical guide rails 5, pressing the cylindrical guide rails 5 through a first tool, enabling the cylindricity of each cylindrical guide rail 5 and the parallelism of the two cylindrical guide rails 5 to meet requirements, changing the positions of the cylindrical guide rails 5 after being pressed to meet the required precision, and then filling glue into the first round holes to bond and memorize the positions of the cylindrical guide rails 5 after being pressed. And after the glue is completely cured, removing the first tool. Through the structure of the cylindrical guide rail 5, high-precision machining which is difficult to realize is changed into high-precision assembly which is easy to realize, the production cost is greatly reduced, and the control of the measurement precision is facilitated.
The caliper can also be made into a digital display mode: the ruler frame 3 is provided with a movable grid, as shown in fig. 4, the ruler body 1 is a long strip U-shaped sheet structure with a groove in the middle, and a strip-shaped fixed grid corresponding to the movable grid is arranged in the groove. In the digital display mode, in order to ensure the measurement precision, the gap between the movable grid and the fixed grid needs to be kept consistent in the sliding measurement process of the ruler frame 3, and the traditional digital display caliper also adopts a machining method to manufacture a precise mechanical component and has the defects of difficult realization and high production cost. The utility model discloses the high accuracy processing that equally will be difficult for realizing becomes the high accuracy assembly of easily realizing and overcomes above-mentioned defect:
and a movable grid is arranged on the ruler frame 3. The ruler body 1 is of a long-strip U-shaped sheet structure with a groove in the middle, and a strip-shaped fixed grid corresponding to the movable grid is arranged in the groove; the ruler body 1 is provided with a row of second round holes corresponding to the bottoms in the grooves, gaskets 8 matched with the second round holes are mounted in the second round holes, one side, where the gaskets 8 are located at the bottom in the grooves, of each groove is used for mounting the fixed grid, and the gaskets 8 are mounted in the round holes and then are pressed by corresponding second tools so that the parallelism of the mounting surfaces and the planes of the cylindrical guide rails 5 reaches preset precision and then are positioned. And glue for memorizing the pressed position of the gasket 8 and bonding and positioning is filled in the second round hole, and the fixed grid is arranged on the gasket 8, namely the mounting surface, so that the gap between the fixed grid and the movable grid is kept unchanged in the sliding measurement process of the ruler frame 3. The positioning gasket 8 is arranged in the circular hole in the ruler body 1, then the depth of the gasket 8 in the second circular hole is pressed through a second tool, one side (mounting surface) of the gasket 8 at the bottom of the groove of the ruler body 1 is in the same plane, the parallelism between the gasket 8 and the cylindrical guide rail 5 meets the requirement, and finally the position of the gasket 8 after being pressed is adhered and memorized by filling glue in the circular hole. And after the glue is completely cured, removing the second tool. The ruler body 1, the ruler frame 3, the fixed seat 6, the sliding block 10 and other parts are all manufactured by adopting a powder metallurgy process.
A depth gauge 9 for measuring the depth dimension can be designed on the caliper: one end of each of the two cylindrical guide rails 5 penetrates through the corresponding fixing seat 6 and then is connected with the fixed measuring claw 2. One end of the depth gauge 9 is fixed in the mounting groove 12 of the gauge frame 3, and the other end is a measuring end. The measuring end of the depth gauge 9 extends towards the opposite direction of the fixed measuring jaw 2 on the side of the gauge body 1 far away from the groove and penetrates through the corresponding fixed seat 6. One end, namely the measuring end, of the depth gauge 9 far away from the gauge frame 3 is inserted into the measured component, and the corresponding depth dimension of the component can be measured.
Example two
As shown in fig. 5, the cylindrical guide rail structure in the first embodiment can also be applied to a micrometer, and the assembly method in the first embodiment can also change the high-precision machining which is not easy to realize into the high-precision assembly which is easy to realize. The cylindrical guide rail 5 is arranged on the retainer 12 and corresponds to two sides of a micrometer main grid 13 (fixed grid), and a micrometer auxiliary grid (movable grid) is arranged on the micrometer ruler frame 14 and is sleeved on the cylindrical guide rail 5 in a sliding manner. One end of the micrometer measuring rod 15 is connected with the micrometer ruler frame 14, and the other end is provided with a measuring head 16. The holder 12 is externally provided with an outer sleeve 17 which conceals the cylindrical guide 5.
EXAMPLE III
As shown in fig. 6, the cylindrical guide rail structure in the first embodiment can also be applied to a measuring component of a micrometer, and the assembly method in the first embodiment can also change the high-precision machining which is difficult to realize into the high-precision assembly which is easy to realize. The micrometer bar 17 is in the micrometer main body 18, and one end thereof protrudes out of the micrometer main body 18. The cylindrical guide rail 5 is located in the micrometer main body 18 and corresponds to a position on the micrometer measuring rod 17, a micrometer main grating 19 (fixed grating) is arranged on the micrometer measuring rod 17 corresponding to a position between the cylindrical guide rails 5, and a micrometer auxiliary grating 20 (movable grating) is located in the micrometer main body 18 and corresponds to the micrometer main grating 19.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A caliper rule capable of reducing machining requirements comprises a caliper rule body (1), a fixed measuring jaw (2), a caliper rule frame (3) and a movable measuring jaw (4); the fixed measuring jaw (2) is fixed at one end of the ruler body (1); the ruler frame (3) can be sleeved on the ruler body (1) in a sliding mode along the length direction of the ruler body (1), the movable measuring jaw (4) is fixed on the ruler frame (3), and the distance between the movable measuring jaw and the fixed measuring jaw (2) corresponds to the measured size; it is characterized by also comprising a cylindrical guide rail (5) and a fixed seat (6); the two fixed seats (6) are respectively arranged at two ends of the ruler body (1); the two cylindrical guide rails (5) are arranged, two ends of each cylindrical guide rail (5) are respectively installed on the two fixing seats (6) and correspond to the position of one side of the ruler body (1), and the two cylindrical guide rails (5) are installed on the fixing seats (6) and then are positioned after being pressed by corresponding first tools so that the respective cylindricity and the parallelism between the cylindrical guide rails reach the preset precision; the ruler frame (3) can be slidably sleeved on the two cylindrical guide rails (5).
2. The caliper rule capable of reducing the machining requirement according to claim 1, wherein first round holes are respectively formed in the positions, corresponding to the two sides of the end portion of the caliper body (1), of the fixing seat (6), two ends of the cylindrical guide rail (5) are respectively sleeved with the positioning sleeves (7) and then are inserted into the corresponding first round holes, and glue for memorizing the position, pressed by the first tool, of the cylindrical guide rail (5) and adhering and positioning the cylindrical guide rail is filled in the first round holes.
3. A caliper for reducing machining requirements according to claim 1, characterized in that a moving grate is mounted on the caliper frame (3); the ruler body (1) is of a long-strip U-shaped sheet structure with a groove in the middle, and strip-shaped fixed grids which are opposite to the movable grids and are arranged at intervals are arranged in the groove; the ruler body (1) is provided with a row of second round holes corresponding to the bottoms in the grooves, gaskets (8) matched with the second round holes are installed in the second round holes, the gaskets (8) are located on one side of the bottom in the grooves and are used for installing the installation surfaces of the fixed grids, and the gaskets (8) are installed in the second round holes and are pressed by corresponding second tools so that the installation surfaces and the plane where the cylindrical guide rails (5) are located reach preset accuracy and then are located.
4. The caliper rule for reducing the machining requirement according to claim 3, characterized in that the second round hole is filled with glue for memorizing the pressed position of the gasket (8) and bonding and positioning.
5. A calliper for reducing machining requirements according to claim 3, further comprising a depth gauge (9) for measuring the depth dimension; one end of each of the two cylindrical guide rails (5) penetrates through the corresponding fixed seat (6) and then is connected with the fixed measuring claw (2); one end of the depth gauge (9) is fixed in the mounting groove (12) of the gauge frame (3), and the other end of the depth gauge is a measuring end; the measuring end of the depth gauge (9) extends towards the opposite direction of the fixed measuring jaw (2) on one side of the gauge body (1) far away from the fixed grid and penetrates through the corresponding fixed seat (6).
6. The caliper rule for reducing the machining requirement according to any one of claims 1 to 5, wherein the caliper rule frame (3) is provided with slide blocks (10) respectively corresponding to two ends of one side of each cylindrical guide rail (5) far away from the caliper rule body (1), and each slide block (10) is provided with a V-shaped groove; the two V-shaped grooves on the sliding blocks (10) on the same side of the ruler body (1) are clamped on the same cylindrical guide rail (5) and can slide along the cylindrical guide rail (5).
7. A calliper for reducing machining requirements according to claim 6, further comprising a resilient tab (11); the two ends of the elastic sheet (11) are respectively connected with the two sliding blocks (10) which are positioned on the same side of the ruler body (1), and the middle parts of the elastic sheets bend towards the corresponding cylindrical guide rails (5) and abut against the corresponding cylindrical guide rails (5).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920916165.1U CN209894071U (en) | 2019-06-18 | 2019-06-18 | Caliper for reducing machining requirements |
| PCT/CN2020/077246 WO2020253263A1 (en) | 2019-06-18 | 2020-02-28 | Caliper having reduced mechanical processing requirements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920916165.1U CN209894071U (en) | 2019-06-18 | 2019-06-18 | Caliper for reducing machining requirements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209894071U true CN209894071U (en) | 2020-01-03 |
Family
ID=69021355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920916165.1U Active CN209894071U (en) | 2019-06-18 | 2019-06-18 | Caliper for reducing machining requirements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209894071U (en) |
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2019
- 2019-06-18 CN CN201920916165.1U patent/CN209894071U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221123 Address after: 541004 Room 1203, Building 1, Guilin University Park, No. 123, Liuhe Road, Qixing District, Guilin, Guangxi Zhuang Autonomous Region Patentee after: Guilin Zhiqiang Technology Co.,Ltd. Address before: 541004 No. 3-502, Hanlin apartment, jialecheng, No. 29, Qixing Road, Guilin, Guangxi Zhuang Autonomous Region Patentee before: Zhao Zhiqiang |
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| TR01 | Transfer of patent right |