CN216464558U - Spline centering marking device - Google Patents
Spline centering marking device Download PDFInfo
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- CN216464558U CN216464558U CN202123172721.5U CN202123172721U CN216464558U CN 216464558 U CN216464558 U CN 216464558U CN 202123172721 U CN202123172721 U CN 202123172721U CN 216464558 U CN216464558 U CN 216464558U
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- spline
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Abstract
The utility model provides a spline centering marking off equipment. The spline centering and scribing device comprises: the graduated scale comprises a graduated surface, and a first graduated mark is arranged on the graduated surface along the length direction of the graduated scale; the screw rod is rotatably connected with the graduated scale and arranged along the length direction of the graduated scale, a first screw thread and a second screw thread which are opposite are arranged on the screw rod, the first screw thread and the second screw thread respectively extend to two sides from a target position, and the target position is a position corresponding to the vertical projection of a reference graduated point on the screw rod; the two sliding blocks are sleeved on the screw rod, the two sliding blocks are respectively arranged on the first thread and the second thread, and the distances between the two sliding blocks and the reference scale point are equal; and in the rotating process of the screw rod, the two sliding blocks initially move oppositely or oppositely relative to the reference scale point at equal distance in a synchronous manner. The embodiment of the utility model provides a can improve the efficiency that the centering was rule, improve the convenience of centering marking off operation.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to a spline centering marking off equipment.
Background
In order to test the performance of these components, it is generally necessary to make a sample (generally called a sample bar), clamp the sample on an instrument, and perform a tensile test, an impact test, a bending test, and the like. In the spline detection process, certain requirements are required for the clamped position according to different tests, meanwhile, in some tests, specific points such as the middle point of the spline need to be determined, in the related art, the position of the corresponding point is generally determined by measuring by using a graduated scale and then calculating, and then scribing is performed at the clamped point, the middle point and other positions.
SUMMERY OF THE UTILITY MODEL
The utility model provides a spline centering marking off equipment, this equipment can realize drawing a line to the spline centering more conveniently.
According to the utility model discloses, a spline centering marking off equipment is provided, include:
the scale comprises a scale surface, wherein a first scale mark is arranged on the scale surface along the length direction of the scale, the first scale mark comprises a reference scale point and a measurement scale, and the measurement scale extends from the reference scale point to two sides along the length direction of the scale;
the screw rod is rotatably connected with the graduated scale and arranged along the length direction of the graduated scale, a first screw thread and a second screw thread which are opposite are arranged on the screw rod, the first screw thread and the second screw thread respectively extend to two sides from a target position, and the target position is a position corresponding to the vertical projection of the reference graduated point on the screw rod;
the two sliding blocks are sleeved on the screw rod, the two sliding blocks are respectively arranged on the first thread and the second thread, and the initial distances of the two sliding blocks relative to the reference scale point are equal;
in the process of rotating the screw rod, the screw rod drives the two sliding blocks to synchronously move in an equidistance mode in a mode of facing or back to back relative to the reference scale point through the first thread and the second thread.
In some embodiments, the scale further comprises a spline fixing component, the spline fixing component is arranged on the scale surface of the scale, the spline fixing component comprises a convex edge and a fastener, the convex edge is arranged along the edge of the scale surface, and the position of the convex edge is higher than the surface of the scale surface;
the fastener is slidably arranged on the scale surface, the sliding direction of the fastener is perpendicular to the length direction of the scale, a fixing space is formed between the fastener and the convex edge, and the fixing space is used for accommodating splines.
In some embodiments, the graduated scale is provided with a slide rail perpendicular to the length direction of the graduated scale, and the fastener is connected with the graduated scale in a sliding manner through the slide rail.
In some embodiments, the spline fixation assembly further comprises a fixation member disposed at a lengthwise end of the fastener, the fixation member being configured to limit movement of the fastener along the slide rail.
In some embodiments, the slider is provided with a second scale mark along a direction perpendicular to the extension direction of the scale.
In some embodiments, the slider is sleeved on the scale, and a spacer is formed between the slider and the scale surface for accommodating a spline.
In some embodiments, the lead screw comprises a threaded rod and a sliding rod arranged in parallel;
the slide bar is fixed on the graduated scale, the first thread and the second thread are both arranged on the threaded rod, and the slide block slides on the slide bar;
the sliding block is connected with the first thread or the second thread through the threaded hole so that the sliding block can slide along with the thread pitch of the threaded rod, and a knob for driving the threaded rod to rotate is arranged at the end part of the threaded rod.
In some embodiments, the spline centering and scribing device further comprises an auxiliary positioning piece for positioning a spline, the auxiliary positioning piece is detachably connected with the spline fixing assembly, and the midpoint of the auxiliary positioning piece corresponds to the reference scale point.
In some embodiments, a notch is formed in the convex edge, a fixture block corresponding to the notch is arranged on the auxiliary positioning element, and the auxiliary positioning element is connected with the notch in an alignment manner through the fixture block.
In some embodiments, the auxiliary positioning member is made of a transparent material.
The embodiment of the utility model provides an in, drive two sliders the same or back of the body equidistance through setting up the lead screw and remove, like this, the slider through two synchronous motion combines the first scale sign on the scale face, the mid point position of the definite spline that can be accurate fast, simultaneously, removes the in-process at the slider, can combine to measure and rule the operation, has reduced required measurement calculation step, can improve the efficiency that the centering was rule, has improved the convenience that the centering was rule the operation.
It should be understood that the statements herein are not intended to identify key or critical features of any embodiment of the present invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
The attached drawings are used for better understanding the scheme and do not constitute a limitation to the utility model. Wherein:
fig. 1 is a schematic structural diagram of a spline centering and scribing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a spline centering and scribing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an internal structure of the spline centering and scribing apparatus according to an embodiment of the present invention;
fig. 4 is yet another perspective view of a spline centering scribe device in accordance with an embodiment of the present invention;
fig. 5 is yet another perspective view of a spline centering scribe device in accordance with an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating the position arrangement of the auxiliary positioning element and the spline according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
The utility model provides a spline centering marking off equipment.
As shown in fig. 1 to 5, in one embodiment, the spline centering and scribing apparatus includes a scale 110, a lead screw 120, and two sliders 130.
The scale 110 includes 141, and the scale face is equipped with first scale mark 111 along the length direction of scale 110, and first scale mark 111 includes benchmark scale point 111A and measures scale 111B, measures scale 111B and extends to both sides along the length direction of scale 110 by benchmark scale point 111A.
In some embodiments, the reference scale point 111A may be a 0 scale point, it being understood that the 0 scale point of the first scale mark 111 is located at a middle position, and the measurement scale 111B extends from the 0 scale point to both sides. Therefore, based on the same identification, the midpoint can be determined more quickly, centering operation is completed, and meanwhile, positioning and measurement of clamping positions with the same distance on two sides of the midpoint of the spline are facilitated. Here, the lengths of the measurement scales 111B on both sides of the reference scale point 111A may be equal or unequal, and are not further limited herein.
The screw rod 120 is rotatably connected with the scale 110, specifically, the screw rod 120 can rotate around its own axis and is arranged along the length direction of the scale 110, the screw rod 120 is provided with a first screw thread and a second screw thread which are opposite, the first screw thread and the second screw thread respectively extend from a target position to two sides, and the target position is a position corresponding to the vertical projection of the reference scale point 111A on the screw rod 120.
In this embodiment, in order to avoid affecting the normal observation of the first scale mark 111, the screw rod 120 may be disposed at the side of the scale surface or accommodated in the scale 110.
As shown in fig. 1 and 2, in one embodiment, the overall structure of the scale 110 is substantially a rectangular parallelepiped structure, as shown in fig. 3, the interior of the scale is a hollow structure, and the screw rod 120 is inserted into the scale 110 and is rotatably connected to the scale 110.
As shown in fig. 3, in some embodiments, the screw rod 120 includes a threaded rod 121 and a sliding rod 122, which are arranged in parallel, the sliding rod 122 is fixed on the scale 110, the threaded rod 121 is rotatably connected to the scale 110, specifically, the threaded rod 121 can rotate around its own axis, a first thread and a second thread are both disposed on the threaded rod 121, a threaded hole and a through hole are respectively disposed on the slider 130, the slider 130 is slidably connected to the sliding rod 122 through the through hole, and the slider 130 is connected to the first thread or the second thread through the threaded hole.
As shown in fig. 3, in some embodiments, the number of the sliding rod 122 may be multiple, which helps to improve the stability of the sliding block 130.
In this embodiment, the sliding rod 122 may be understood to mainly play a role in guiding and fixing the sliding block 130 during sliding, the threaded rod 121 is used to provide a driving force when the sliding block 130 slides, and a knob 1211 that is coaxial with and fixedly connected to the threaded rod 121 may be disposed at an end of the threaded rod 121, so as to drive the threaded rod 121 to rotate through the knob 1211.
In the rotating process of the threaded rod 121, the first thread and the second thread are matched with the threaded holes in the sliding blocks 130, so that the two sliding blocks 130 can rotate along with the thread pitch of the threaded rod 121, and the position of the sliding blocks 130 can be adjusted.
By providing threaded rod 121 and slide rod 122, the movement of slider 130 can be made more stable, which contributes to improving the accuracy of position adjustment for slider 130.
The two sliding blocks 130 are sleeved on the screw rod 120, the two sliding blocks 130 are respectively arranged on the first thread and the second thread, and the distance between the two sliding blocks 130 and the reference scale point 111A is equal.
It can be understood that, in the initial state, the two sliders 130 may be located at a position of the screw rod 120 corresponding to the reference scale point 111A, or may be disposed at an end of the screw rod 120 away from the reference scale point 111A, at this time, distances between the two sliders 130 and the reference scale point 111A are equal, specifications of the first thread and the second thread are the same, during the rotation of the screw rod 120, the screw rod 120 can drive the sliders to move through the threads every certain angle of rotation, and the two sliders 130 move by the same distance, so that distances between the two sliders 130 and the reference scale point 111A are always equal.
Since the two sliders 130 are respectively disposed on the first and second opposite threads, the moving directions of the two sliders 130 relative to the lead screw 120 are opposite during the rotation of the lead screw 120, that is, the two sliders 130 are close to or away from each other, and meanwhile, since the distances between the two sliders 130 and the reference scale point 111A are equal, when the size parameters of the first and second threads are consistent, the moving speeds of the two sliders 130 are equal during the rotation of the lead screw 120, and therefore, the two sliders 130 synchronously move towards or away from the reference scale point 111A at equal distances.
As shown in fig. 2, in some embodiments, the slider 130 is provided with a second scale mark 131 along a direction perpendicular to the extension direction of the scale 110. Further, in some embodiments, the slider 130 is integrally sleeved on the scale 110, and a spacer is formed between the slider 130 and the scale surface for accommodating the spline, and the size of the spacer needs to be larger than the thickness of the spline, and generally not smaller than 5 mm.
Thus, the positioning and scribing operation along the length direction of the spline can be realized based on the first scale mark 111, the positioning and scribing operation along the width direction of the spline can be realized based on the second scale mark 131, the measurement scribing in two dimensions of the length direction and the width direction can be completed through one-time operation, and the operation process is simplified.
The embodiment of the utility model provides an in, drive two sliders 130 the same or back of the body equidistance through setting up lead screw 120 and remove, like this, slider 130 through two synchronous motion combines first scale mark 111 on the scale surface, the mid point position of the definite spline that can be accurate fast, simultaneously, removes the in-process at slider 130, can combine to measure to carry out the operation of drawing a line, has reduced required measurement and has calculated the step, can improve the efficiency of centering the drawing a line, has improved the convenience of centering the operation of drawing a line.
In some embodiments, the scale 110 further includes a spline fixing member 140, the spline fixing member 140 being disposed on a side of the scale surface of the scale 110, the spline fixing member 140 being configured to fix the spline to the scale surface of the scale 110 during the spline centering and scribing process, so that the measurement of the spline can be performed based on the first scale marks 111 disposed on the scale surface to perform the centering and scribing operation, prevent the spline from moving, and contribute to improving the stability of the centering and scribing.
As shown in fig. 2, 4 and 5, in some embodiments, the spline fixing assembly 140 includes a convex rim 141 and a fastener 142, the convex rim 141 is disposed along an edge of the scale surface, the convex rim 141 is positioned higher than a surface of the scale surface, the fastener 142 is slidably disposed on the scale surface, a sliding direction of the fastener 142 is perpendicular to a length direction of the scale 110, and a fixing space for accommodating a spline to be scribed is formed between the fastener 142 and the convex rim 141.
During implementation, the spline is arranged on the scale surface of the scale 110 and is abutted against the convex edge 141, then the position of the spline is adjusted, and centering operation is completed, specifically, when the same characteristic points at the two ends of the spline are aligned to the same measurement scales 111B at the two sides of the reference scale point 111A, the centering operation is considered to be completed, namely, the midpoint of the spline just faces the reference scale point 111A, at this time, the fastener 142 is pushed to move towards one side close to the convex edge 141, and the spline is clamped and fixed through the cooperation of the fastener 142 and the convex edge 141.
After the fixation for the spline is completed, the slider 130 may be adjusted to the designated position and the scribing operation is completed.
As shown in fig. 4 and 5, in some embodiments, the fastener 142 is slidably coupled to the scale 110 by a slide rail 143. Specifically, the slide rail 143 is disposed at an end surface of the scale 110 adjacent to the scale surface, and the direction of the slide rail 143 is perpendicular to the length direction of the scale 110, so that the fastener 142 can move towards the convex edge 141 or away from the convex edge 141 through the slide rail 143, and thus, accommodating spaces with different sizes can be formed between the fastener 142 and the convex edge 141, and the requirements of centering and marking splines with different sizes can be met.
In some embodiments, as shown in fig. 4 and 5, the spline fixing assembly 140 further includes a fixing member 144, the fixing member 144 is disposed at an end of the fastener 142 in the length direction, and the fixing member 144 is used for limiting the movement of the fastener 142 along the slide rail 143.
In an exemplary embodiment, the fastener 142 may be a screw, the screw is disposed on the fixing member 144, and when the fastener 142 needs to be fixed, the screw may be rotated to abut against the surface of the scale 110, so as to lock the position of the fastener 142.
In some embodiments, the spline centering and scribing apparatus further comprises an auxiliary positioning member 150 for positioning the spline, the auxiliary positioning member 150 is detachably connected to the spline fixing assembly 140, and the midpoint of the auxiliary positioning member 150 corresponds to the reference calibration point 111A.
The auxiliary positioning member 150 is used to assist in positioning the spline, and as shown in fig. 6, a typical spline 200 has a substantially narrow middle and wide sides dumbbell structure, and accordingly, the auxiliary positioning member 150 in this embodiment has a shape substantially the same as the shape of the gap in the middle of the spline 200 and slightly smaller than the size of the gap. During implementation, the auxiliary positioning piece 150 is placed on the scale surface, the spline 200 is placed on the scale surface, at the moment, the position of the notch of the spline 200 corresponds to the position of the auxiliary positioning piece 150, the midpoint of the spline 200 can be approximately located at the position corresponding to the reference scale point 111A, the centering operation can be completed only by adjusting the spline 200 within a small range, the convenience of the centering operation is improved, and the test efficiency is improved.
In some embodiments, the protruding edge 141 is provided with a notch, the auxiliary positioning element 150 is provided with a fixture block corresponding to the notch, and the auxiliary positioning element 150 is connected to the notch by the fixture block, so that when the auxiliary positioning element 150 is installed, the auxiliary positioning element 150 can be fixed at a designated position of the scale 110, and the middle point of the auxiliary positioning element 150 corresponds to the reference scale point 111A.
The auxiliary positioning member 150 may be made of a transparent material, so as to avoid shielding the first scale mark 111 on the scale surface, thereby facilitating the positioning of the line.
The above detailed description does not limit the scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A spline centering scribe device, comprising:
the scale comprises a scale surface, wherein a first scale mark is arranged on the scale surface along the length direction of the scale, the first scale mark comprises a reference scale point and a measurement scale, and the measurement scale extends from the reference scale point to two sides along the length direction of the scale;
the screw rod is rotatably connected with the graduated scale and arranged along the length direction of the graduated scale, a first screw thread and a second screw thread which are opposite are arranged on the screw rod, the first screw thread and the second screw thread respectively extend to two sides from a target position, and the target position is a position corresponding to the vertical projection of the reference graduated point on the screw rod;
the two sliding blocks are sleeved on the screw rod, the two sliding blocks are respectively arranged on the first thread and the second thread, and the initial distances of the two sliding blocks relative to the reference scale point are equal;
in the process of rotating the screw rod, the screw rod drives the two sliding blocks to synchronously move in an equidistance mode in a mode of facing or back to back relative to the reference scale point through the first thread and the second thread.
2. The spline centering scribing apparatus according to claim 1, wherein said scale further comprises a spline fixing member provided on a scale surface of said scale, said spline fixing member comprising a convex edge provided along an edge of said scale surface and a fastener, and a position of said convex edge is higher than a surface of said scale surface;
the fastener is slidably arranged on the scale surface, the sliding direction of the fastener is perpendicular to the length direction of the scale, a fixing space is formed between the fastener and the convex edge, and the fixing space is used for accommodating splines.
3. The spline centering and scribing device according to claim 2, wherein the scale is provided with a slide rail perpendicular to the length direction of the scale, and the fastener is slidably connected with the scale through the slide rail.
4. The spline centering scribing apparatus according to claim 3, wherein said spline fixing assembly further comprises a fixing member provided at a lengthwise end of said fastener, said fixing member for limiting movement of said fastener along said slide rail.
5. The spline centering scribing apparatus according to claim 1, wherein a second scale mark is provided on said slider in a direction perpendicular to an extending direction of said scale.
6. The spline centering scribing apparatus according to claim 1, wherein said slider is fitted over said scale, and a space is formed between said slider and said scale surface for receiving a spline.
7. The spline centering scribing apparatus of claim 1, wherein said lead screw comprises a threaded rod and a sliding rod arranged in parallel;
the slide bar is fixed on the graduated scale, the first thread and the second thread are both arranged on the threaded rod, and the slide block slides on the slide bar;
the sliding block is connected with the first thread or the second thread through a threaded hole so that the sliding block can slide along with the thread pitch of the threaded rod, and a knob for driving the threaded rod to rotate is arranged at the end of the threaded rod.
8. The spline centering scribing apparatus according to claim 2, further comprising an auxiliary positioning member for positioning a spline, wherein the auxiliary positioning member is detachably connected to the spline fixing member, and a midpoint of the auxiliary positioning member corresponds to the reference scale point.
9. The spline centering scribing equipment according to claim 8, wherein a notch is formed in the convex edge, a fixture block corresponding to the notch is arranged on the auxiliary positioning piece, and the auxiliary positioning piece is connected with the notch in an alignment mode through the fixture block.
10. A spline centering and scribing apparatus according to claim 8, wherein said auxiliary positioning member is made of a transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123172721.5U CN216464558U (en) | 2021-12-16 | 2021-12-16 | Spline centering marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123172721.5U CN216464558U (en) | 2021-12-16 | 2021-12-16 | Spline centering marking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216464558U true CN216464558U (en) | 2022-05-10 |
Family
ID=81422840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123172721.5U Active CN216464558U (en) | 2021-12-16 | 2021-12-16 | Spline centering marking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216464558U (en) |
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2021
- 2021-12-16 CN CN202123172721.5U patent/CN216464558U/en active Active
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