JP3161883U - Eccentricity measuring instrument - Google Patents

Abstract

Disclosed is an eccentricity measuring device that enables quick and accurate measurement. In this eccentricity measuring instrument, a T-shaped groove is provided on a measurement base 10 and two left and right center sheets 20 for sandwiching a workpiece are attached, corresponding to the T-shaped groove of the center sheet. The fixing device 30 is provided in the portion, and the center sheet is fixed in the T-shaped groove of the measurement base using the T-shaped block, so that the center sheet can be fixed speedily and accurately. Further, a slide rail is provided on one side of the measurement pedestal and a slide block 40 is attached, and a measuring device 50 and a positioning device are provided on the slide block. At the time of measurement, the measuring device can quickly and accurately measure the workpiece diameter, coaxiality and eccentricity by reciprocating slide on the slide rail of the slide block and positioning of the measuring device by the positioning device. [Selection] Figure 1

Description

  The present invention relates to an eccentricity measuring device, and more particularly to a device applied to measurement of workpiece diameter, coaxiality and eccentricity.

  A traditional, conventional workpiece diameter, concentricity and eccentricity meter is as shown in FIG. 10, which is a local cross-sectional combination representation of a known eccentricity meter. That is, a T-shaped groove 61 is provided on the measurement base 60, two left and right center sheets 70 are attached, and a T-shaped block 71 is provided on one side of the bottom of the center sheet 70 corresponding to the T-shaped groove 61. It has been. The T-shaped block 71 is pulled up by a handle 72 and is fastened and fixed in the T-shaped groove 61. A ratchet tooth 74 is provided at the center 73 of the center seat 70, meshes with a screw 75, and is transmitted. Thus, the operation of extending or retracting the center 73 is controlled.

The above-mentioned traditional and well-known measuring instruments have the following problems and disadvantages that must be overcome and solved in actual operation applications.
one. The center sheet 70 is fixed to the T-shaped groove 61 of the measurement pedestal 60 only on one side, and the center sheet 70 is likely to wobble, and the fixing effect is poor. This directly affects the center clamping and accuracy during measurement.
two. Since the slide base and positioning device are not installed on the measurement base 60, when measuring the workpiece diameter, the coaxiality and the eccentricity measurement, it cannot be reciprocated and positioned quickly and accurately. Affects accuracy.
three. Since the center 73 of the center sheet 70 is not protected by a bush, scratches and abrasions are likely to occur during the process of extending and retracting the center 73, affecting the clamping and measurement accuracy of the workpiece. obtain. Further, the center 73 has to turn the handle 76 continuously when clamping and removing the workpiece, which is relatively troublesome and inconvenient in operation.
Four. When the measuring instrument measures the workpiece diameter, coaxiality and eccentricity, the measurement base 60 cannot be fixed, and an error in measurement is likely to occur due to wobble, which can directly affect the accuracy in measurement. .

  The present invention provides a kind of eccentricity measuring device, which is provided with a T-shaped groove on a measurement base, and two center sheets for attaching a workpiece to the T-shaped groove. A fixing device is provided at a portion corresponding to the T-shaped groove, and the fixing device includes a T-shaped block, an operating member, an elastic member, a lever, and a bolt, and the upper end of the T-shaped block is at the lower end of the operating member. The elastic member is provided at the upper end of the actuating member, the T-shaped block is biased downward by utilizing the elastic force of the elastic member, and the T-shaped block is fixed to the T-shaped groove. And an operating groove is provided in the middle of the operating member, one end of the lever enters the operating groove, the bolt is provided at the other end of the lever, and the lever is controlled by screwing in the bolt. This causes the actuating member to be raised up and Compression member is compressed, the T-shaped block is fixed in T-slot, the center seat is characterized in that it is fixed in T-slot of the measuring plate by T shaped block.

  According to the present invention, in the above-described eccentricity measuring device, the bush is provided at the center of the center sheet.

  According to the present invention, in the above-described eccentricity measuring device, an elastic member is provided at the rear of the center and the center is urged to fix the workpiece, and a concave groove is provided at the rear bottom of the center. One end enters the concave groove, the other end of the lever is turned, and the lever turns the center backward to release the fixed relationship with the workpiece and compress the compression member.

  The present invention also provides a kind of eccentricity measuring device, which is provided with two left and right center seats provided on both sides of the measurement pedestal and provided with a slide rail on one side of the measurement pedestal. A slide block is attached to the slide rail, and a measuring device and a positioning device are provided on the slide block. The measuring device is a reciprocating slide of the slide block on the slide rail, and a measuring device using the positioning device. By positioning, it is used for measuring workpiece diameter, coaxiality and eccentricity.

  According to the present invention, in the above-described eccentricity measuring device, the slide rail is a linear slide rail.

  According to the present invention, in the above-described eccentricity measuring device, the positioning device includes a soft fixing pad provided so as to correspond to the bottom surface of the linear slide rail of the measurement base, and a fixing plate provided outside the slide block, Positioning beads provided at a portion corresponding to the soft fixing pad on the bottom surface of the fixing plate, an eccentric shaft provided below the positioning beads, an eccentric portion provided at a portion of the eccentric shaft corresponding to the positioning beads Including a rotating wheel provided at the outer end of the eccentric shaft, and when the rotating wheel is rotated, the eccentric portion of the eccentric shaft is driven and the positioning bead is pushed upward to be fixed to the soft fixing pad. .

  According to the present invention, in the above-described eccentricity measuring instrument, a T-shaped groove is provided in the slide rail, a T-shaped slide block is inserted, an upright rod is provided in the T-shaped slide block, and measurement is performed above the upright rod. The device is mounted, and the positioning device is formed by combining a nut with a screw thread provided below the upright rod, and when the nut is tightened, the T-shaped slide block of the upright rod is placed in the T-shaped groove of the slide rail. Fixed to.

  The present inventor is currently engaged in the manufacture and design of related products, accumulates many years of practical experience and knowledge, and actively improves on the problems and disadvantages existing in traditional well-known eccentricity measuring instruments. Completed one eccentricity measuring instrument.

  The present invention provides a kind of eccentricity measuring device, which is provided with a T-shaped groove on a measurement base, and two center sheets for attaching a workpiece to the T-shaped groove. A fixing device is provided in a portion corresponding to the T-shaped groove of the center, and the center seat is fixed in the T-shaped groove of the measurement base using the T-shaped block, and the T-shaped block is pivotally mounted on the operating member. Receives the elastic force of the elastic member and flips the T-shaped block downward to separate it from the fixed relationship with the T-shaped groove, an operating groove is provided in the middle of the operating member, and one end of the lever is operated A bolt is provided at the other end of the lever as it enters the groove. The user can control the lever downward by simply screwing in the bolt, and by levering the lever, the actuating member is raised upward and the T-shaped block is pressed and fixed in the T-shaped groove, thus speedy and accurate. In addition, the fixing operation of the center sheet can be completed, and the operational effect can be improved.

  The present invention also provides a kind of eccentricity measuring device, in which a slide rail is provided on one side of a measurement base, a slide block is attached to the slide rail, and a measuring device and a positioning device are provided on the slide block. It is done. At the time of measurement, the measuring device can quickly and accurately measure the workpiece diameter, coaxiality and eccentricity by reciprocating sliding on the slide rail of the slide block and positioning the measuring device by the positioning device. The effect can be improved.

  The present invention further provides a kind of eccentricity measuring device, in which a bush is provided at the center of the center sheet, and the center is protected by the bush, so that the center is extended and retracted, and scratches or abrasions are caused. This prevents the workpiece from being pinched and affecting the accuracy of the measurement. In addition, an elastic member is provided at the back of the center, and the workpiece is fixed by elastically urging the center. Also, a concave groove is provided at the bottom of the center and rotated backward by a lever. It can be made to leave more. In operation, the center can be retracted backwards by simply turning the lever downward, and can be detached from the workpiece fixing relationship. In this way, the work of clamping and center fixing of the workpiece can be completed speedily and accurately, and the operational effect can be improved.

  The present invention also includes a soft fixing pad provided on the bottom surface of the linear slide rail of the measurement pedestal, an L-shaped fixing plate provided outside the slide block, and the soft fixing pad on the bottom surface of the L-shaped fixing plate. A positioning bead is provided at a portion corresponding to the positioning bead, an eccentric shaft is provided below the positioning bead, an eccentric portion is provided at a portion corresponding to the positioning bead of the eccentric shaft, and a rotating ring is provided at an outer end of the eccentric shaft. Is provided. In operation, just by turning the rotating wheel, the eccentric part of the eccentric shaft can be driven and the positioning bead can be pushed upward to be fixed to the soft fixing pad, and the measuring device can be fixed quickly and accurately. Can improve the effect.

It is a three-dimensional combination diagram of the present invention. It is a three-dimensional exploded view of the present invention. It is a three-dimensional exploded view of the center sheet and fixing device of the present invention. It is a three-dimensional exploded view of the slide block and measuring device of the present invention. It is a three-dimensional exploded view of another embodiment of the present invention. It is a use condition display figure of another Example of this invention. It is a center sheet fixed state display diagram of the present invention. It is a center leaving state display diagram of the present invention. It is a slide block fixed state display figure of the present invention. It is a local cross-sectional combination display figure of a well-known technique.

  In order that those skilled in the art can deeply understand the contents of the device of the present invention and the effect achieved by the device, specific examples will be given below, and detailed description will be given in combination with the drawings.

  The present invention provides a kind of eccentricity measuring device. 1 and 2 are a three-dimensional combination diagram and a three-dimensional exploded view of the present invention. FIG. 3 is an exploded view of the center seat and the fixing device 30 of the present invention. FIG. 4 is a three-dimensional exploded view of the slide block and measuring apparatus of the present invention.

  In the present invention, a T-shaped groove 11 is provided in the measurement base 10, and two left and right center sheets 20 for sandwiching a workpiece are attached to the T-shaped groove 11. A fixing device 30 is provided at a portion corresponding to the T-shaped groove 11 of the center sheet 20. The fixing device 30 includes a T-shaped block 31, an actuating member 32, an elastic member 33, a lever 34, and a bolt 35. The center seat 20 is placed in the T-shaped groove 11 of the measurement base 10 using the T-shaped block 31. Fix it. The T-shaped block 31 is pivotally provided at the lower end of the operating member 32, and the elastic member 33 is provided at the upper end of the operating member 32. Using the elastic force of the elastic member 33, the T-shaped block 31 is repelled downward, and the T-shaped block 31 is detached from the fixed relationship with the T-shaped groove 11. An operation groove 36 is formed in the middle of the operation member 32, one end of the lever 34 enters the operation groove 36, and a bolt 35 is provided at the other end of the lever 34.

  A bush 22 is provided at the center 21 of the center sheet 20, and the center 21 is protected by the bush 22, thereby preventing the center 21 from being scratched or worn and its influence on measurement accuracy. An elastic member 23 is provided behind the center 21, and the center 21 is urged by the elastic member 23 to fix the workpiece. A concave groove 24 is provided in the bottom bottom of the center 21, and the lever 25 is rotated backward. Thus, the fixed relationship with the workpiece can be released.

  A linear slide rail 12 is provided on one side of the measurement pedestal 10, and a slide block 40 is attached to the linear slide rail 12, and a measuring device 50 is provided on the slide block 40, and the workpiece diameter, coaxiality and eccentricity are provided. Used for quantity measurement. A positioning device is provided outside the slide block 40, and the positioning device positions the measuring device 50. The positioning device includes one soft fixing pad 13 provided so as to correspond to the bottom surface of the linear slide rail 12 of the measurement pedestal 10 and a portion corresponding to the soft fixing pad 13 on the bottom surface of the L-shaped fixing plate 41. The positioning bead 42 and the eccentric shaft 43 provided below the positioning bead 42 are included, and an eccentric portion 44 is provided at a portion corresponding to the positioning bead 42 of the eccentric shaft 43, and the eccentric shaft 43 has an outer end. A rotating wheel 45 is provided.

  FIG. 5 is a three-dimensional exploded view of another embodiment of the present invention, and FIG. As shown in these drawings, in this embodiment, a slide rail 14 is provided on one side of the measurement base 10, a T-shaped groove 15 is provided in the slide rail 14, and a T-shaped slide block 16 is inserted. Then, an upright rod 17 is provided above the T-shaped slide block 16, and the upright rod 17 is used for mounting the measuring device 50 to be used for measuring the workpiece diameter, the coaxiality, and the eccentricity. A positioning device is provided on the T-shaped slide block 16, and the measuring device 50 is positioned. The positioning device includes a screw thread 18 provided below the upright rod 17 and a nut 19 screwed into the screw thread 18. When the nut 19 is tightened, the T-shaped slide block 16 of the upright rod 17 is attached to the slide rail 14. Fixed in the T-shaped groove 15. On the other hand, when the nut 19 is loosened, the T-shaped slide block 16 of the upright rod 17 can reciprocate in the T-shaped groove 15 of the slide rail 14.

  The above-mentioned devices are combined to form the present invention, which provides a kind of eccentricity measuring device, and its practical operation application is as follows.

  FIG. 7 is a fixed state display diagram of the center seat of the present invention. When the user screws in the bolt 35, the lever 34 is suppressed downward, the operating member 32 is raised upward according to the lever principle, and at the same time, the elastic member 33 is compressed, and the T-shaped block 31 is The center sheet 20 is fastened and fixed in a fast and accurate manner in this way by being pressed and fixed in the groove 11.

  FIG. 8 is a center exit state display diagram of the present invention. When the user turns the lever 25 downward, the center 21 is turned to release the fixed relationship with the workpiece backward. After releasing the hand, the elastic member 23 flips the center 21 to fix the workpiece.

  FIG. 9 is a slide block fixing state display diagram of the present invention. The user can rotate the eccentric shaft 43 simply by rotating the rotating wheel 45, and can press the positioning bead 42 upward by the eccentric portion 44 of the eccentric shaft 43 and fix it to the soft fixing pad 13, thus speedily. In addition, the measuring device 50 can be fixed accurately.

  In summary, the present invention provides a kind of eccentricity measuring device, and after the inventor has actually completed the production and repeated operational tests, the expected functions and effects of the present invention are surely confirmed. It is a new device that has been proven to be achieved and is not currently on the market or published, has industrial utility value, and meets the requirements for the utility and inventive step of utility model registration. It is as soon as we apply for a utility model registration.

DESCRIPTION OF SYMBOLS 10 Measurement base 11 T-shaped groove 12 Linear slide rail 13 Soft fixed pad 14 Slide rail 15 T-shaped groove 16 T-shaped slide block 17 Upright rod 18 Thread 19 Nut 20 Center sheet 21 Center 22 Bush 23 Elastic member 24 Concave groove 25 Lever DESCRIPTION OF SYMBOLS 30 Fixing device 31 T-shaped block 32 Actuating member 33 Elastic member 34 Lever 35 Bolt 36 Actuating groove 40 Slide block 41 L-shaped fixing plate 42 Positioning bead 43 Eccentric shaft 44 Eccentric part 45 Rotary wheel 50 Measuring device 60 Measuring base 61 T-shaped groove 70 Center seat 71 T block 72 Handle 73 Center 74 Ratchet teeth 75 Screw 76 Handle

Claims (7)

  In the eccentricity measuring instrument, a T-shaped groove is provided on the measurement pedestal, two left and right center sheets for holding the workpiece are attached to the T-shaped groove, and a portion corresponding to the T-shaped groove of the center sheet is attached. Is provided with a T-block, an actuating member, an elastic member, a lever, and a bolt. The upper end of the T-block is pivotally connected to the lower end of the actuating member. The T-shaped block is biased downward by utilizing the elastic force of the elastic member, the T-shaped block is released from the fixed relationship with the T-shaped groove, Is provided with an operating groove, one end of the lever enters the operating groove, the bolt is provided at the other end of the lever, and the lever is suppressed by screwing in the bolt, whereby the operating member is The compression member is compressed while being raised up, T-shaped block is fixed in T-slot, the eccentricity measuring instrument, characterized in that the center sheet is fixed in T-slot of the measuring plate by T shaped block.   2. The eccentricity measuring device according to claim 1, wherein a bush is provided at the center of the center sheet.   3. The eccentricity measuring device according to claim 2, wherein an elastic member is provided at the rear of the center and the center is urged to fix the workpiece, a concave groove is provided at the rear bottom of the center, and one end of the lever is Eccentricity measurement characterized by entering into the concave groove, turning the other end of the lever, turning the center backward, releasing the fixed relationship with the workpiece, and compressing the compression member vessel.   In the eccentricity measuring instrument, two left and right center seats are provided on both sides of the measurement pedestal, and a slide rail is provided on one side of the measurement pedestal, and a slide block is attached to the slide rail. The slide block is provided with a measuring device and a positioning device, and the measuring device reciprocally slides the slide block on the slide rail and positions the measuring device by the positioning device. An eccentricity measuring device used for quantity measurement.   5. The eccentricity measuring device according to claim 4, wherein the slide rail is a linear slide rail.   5. The eccentricity measuring device according to claim 4, wherein the positioning device includes a soft fixing pad provided so as to correspond to a bottom surface of the linear slide rail of the measurement base, a fixing plate provided outside the slide block, and the fixing device. A positioning bead provided at a portion of the bottom surface of the plate corresponding to the soft fixing pad, an eccentric shaft provided below the positioning bead, an eccentric portion provided at a portion of the eccentric shaft corresponding to the positioning bead, Including a rotating wheel provided at the outer end of the eccentric shaft, and when the rotating wheel is rotated, the eccentric portion of the eccentric shaft is driven and the positioning beads are pushed upward to be fixed to the soft fixing pad. Eccentricity measuring instrument.   5. The eccentricity measuring instrument according to claim 4, wherein a T-shaped groove is provided in the slide rail, a T-shaped slide block is inserted, an upright rod is provided in the T-shaped slide block, and a measuring device is provided above the upright rod. Mounted, the positioning device is a combination of a nut and a thread provided below the upright rod, and when the nut is tightened, the T-shaped slide block of the upright rod is fixed in the T-shaped groove of the slide rail An eccentricity measuring device.

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