CN112013807A - Quick measuring device of workpiece surface roughness - Google Patents

Abstract

The invention discloses a rapid measuring device for workpiece surface roughness, comprising a base, a connecting plate, a bolt I, a column, a handle, a baffle plate, a bearing I, a bearing II, a shaft gear, a rack, a guide groove, a knob screw, and a retaining ring , casing, positioning pin plate, screw, support plate, support rod, splint, bolt II, casing positioning ear, bolt III and hand-held roughness meter, the connecting plate is installed and fixed at the upper end of the base, the The base and the connecting plate are fixedly connected by bolts I, the upper end of the connecting plate is provided with a column by welding, and the interior of the column is provided with a guide groove. The pitch adjustment and lift adjustment of the casing can realize the rapid measurement of the surface roughness of different workpieces, which is very convenient and fast, and improves the performance of the rapid measurement device for the surface roughness of the workpiece.

Description

A rapid measuring device for surface roughness of workpiece

technical field

The invention belongs to the related technical field of workpiece surface roughness measurement, and in particular relates to a rapid measurement device for workpiece surface roughness.

Background technique

In the process of machining and manufacturing, in order to ensure the machining accuracy, the roughness of the cut surface of the workpiece must be frequently measured. The commonly used hand-held roughness measuring instrument uses the probe to move linearly on the surface of the workpiece for a certain distance, and calculates the roughness value according to the surface waveform change within the displacement range; during the measurement process, on the one hand, the probe is required to move a sufficient length On the other hand, the roughness meter is required to remain fixed. However, when the surface of the workpiece is complex in shape or insufficient in size, so that the roughness meter cannot be placed or fixed on the surface of the workpiece, it can only be measured by hand-held method, which brings disadvantages. The influences are: 1. It is difficult to find the positioning reference; 2. The shaking of the hand will affect the measurement accuracy; 3. The work efficiency is low.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a rapid measurement device for workpiece surface roughness, so as to solve the problems of difficulty in finding a positioning reference, hand shaking that affects measurement accuracy and low work efficiency, as proposed in the above-mentioned background art.

To achieve the above object, the present invention provides the following technical solutions:

A rapid measurement device for workpiece surface roughness, comprising base, connecting plate, bolt I, column, handle, baffle plate, bearing I, bearing II, shaft gear, rack, guide groove, knob screw, retaining ring, sleeve, Locating pin plate, screw, support plate, support rod, splint, bolt II, sleeve positioning ears, bolt III and hand-held roughness meter, the connecting plate is installed and fixed at the upper end of the base, the base and the connecting plate Fixed connection by bolt I, the upper end of the connecting plate is provided with a column by welding, the interior of the column is provided with a guide groove, the interior of the guide groove is movably provided with a rack, and the right side of the rack is welded A support rod is connected with the support rod, a splint is sleeved on the support rod, the support rod and the splint are connected by bolts II, the upper end of the splint is provided with a support plate by welding, and the upper end of the support plate is provided with a sleeve The casing and the support plate are fixedly connected by screws, the interior of the casing is provided with a hand-held roughness meter, and the two sides of the front end of the casing are provided with casing positioning ears by welding. A positioning pin plate is inserted into the front end of the casing, and the positioning pin plate and the positioning ear of the casing are fixedly connected by bolts III.

Preferably, the front end of the column is provided with a baffle plate by welding, the inside of the baffle plate is provided with a bearing I, the inside of the bearing I is inserted with a shaft gear, and the other end of the shaft gear is sleeved with a handle .

Preferably, a bearing II is provided on the back of the column at a position corresponding to the bearing I, and both the bearing I and the bearing II are sleeved on the shaft gear.

Preferably, the shaft gear is composed of a rotating shaft and a gear, the gear is sleeved and fixed on the rotating shaft, and the gear and the rack are meshed and connected.

Preferably, the inner position of the baffle plate and the inner position of the back of the column are provided with apertures, and the inside of the apertures are respectively fixed with bearing I and bearing II.

Preferably, a retaining ring is provided on the right side of the column, a knob screw is screwed inside the retaining ring, the retaining ring and the rack are fixedly connected by a knob screw, and an elongated hole is provided on the right side of the column , the retaining ring and the casing move up and down with the rack.

Preferably, insertion holes are provided inside the base and located at the left and right sides, and telescopic support seats are inserted into the insertion holes.

Preferably, the telescopic support base includes a rubber pad, a plug-in rod, a nut and a threaded column, the rubber pad is connected to the lower end of the left side of the plug-in rod by sticking, and the right end of the plug-in rod is welded by welding A threaded column is connected in a way, and a nut is screwed and fixed on the threaded column.

Preferably, there are four telescopic support bases in total, and the four telescopic support bases are plugged and fixed at positions on the left and right sides of the base.

Preferably, a rubber ring is arranged inside the insertion hole, the rubber ring is an annular structure, and the rubber ring and the insertion hole are pasted and fixed by glue, and the inner diameter of the rubber ring is equal to the diameter of the insertion rod , the outer diameter of the rubber ring is equal to the inner diameter of the insertion hole.

Compared with the prior art, the present invention provides a device for quickly measuring the surface roughness of a workpiece, which has the following beneficial effects:

1. The present invention designs a new rapid measuring device for workpiece surface roughness. The rapid measuring device for workpiece surface roughness is composed of base, connecting plate, bolt I, column, handle, baffle, bearing I, bearing II, shaft. Gear, rack, guide groove, knob screw, retaining ring, casing, positioning pin plate, screw, support plate, support rod, splint, bolt II, casing positioning ear, bolt III and hand-held roughness meter, The rapid measurement device for workpiece surface roughness is placed on the machine table through the base, so that the pitch adjustment and lift adjustment of the casing can be used to realize the rapid measurement of the surface roughness of different workpieces. The setting of the measuring device does not need to repeatedly search for the benchmark, because the rapid measuring device for the surface roughness of the workpiece is fixed, so it is only necessary to place the workpiece at the preset position for measurement, and through the surface of the workpiece The roughness rapid measuring device has to be set up, which also avoids the measurement error caused by hand shaking. Moreover, the workpiece surface roughness measuring device can quickly measure the surface roughness of the workpiece, which is very convenient and quick, and improves the workpiece surface roughness. The performance of the device for rapid measurement of surface roughness.

2. The present invention designs a new rapid measuring device for workpiece surface roughness. Insertion holes are provided on the left and right sides of the base of the rapid workpiece surface roughness measuring device, and telescopic supports are inserted inside the insertion holes. The telescopic support seat is made of rubber pads, plug rods, nuts and threaded columns. The telescopic support base is inserted into the plug hole through the plug rod, and then the nut is screwed and fixed on the threaded column, so that when the workpiece is used When the surface roughness rapid measuring device is used, the plug-in rod on the telescopic support seat can be pulled out from the inside of the base. At this time, the rubber pad on the telescopic support seat will be in contact with the plane on which the base is placed, thereby increasing the distance between the base and the base. The flat contact area makes the placement of the workpiece surface roughness rapid measuring device more stable, avoids the shaking of the workpiece surface roughness rapid measuring device during measurement, and improves the measurement accuracy of the workpiece surface roughness rapid measuring device.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, but not to limit the present invention. In the accompanying drawings:

1 is a schematic diagram of the main structure of a device for rapid measurement of workpiece surface roughness proposed by the present invention;

2 is a schematic diagram of the structure of the back surface of a device for quickly measuring the surface roughness of a workpiece proposed by the present invention;

3 is a schematic diagram of a casing structure of a device for quickly measuring the surface roughness of a workpiece proposed by the present invention;

4 is a schematic view of the rack structure of a device for quickly measuring the surface roughness of a workpiece proposed by the present invention;

5 is a schematic structural diagram of a telescopic support seat of a device for rapidly measuring the surface roughness of a workpiece proposed by the present invention;

In the figure: 1, base; 2, connecting plate; 3, bolt I; 4, column; 5, handle; 6, baffle; 7, bearing I; 8, bearing II; 9, shaft gear; 10, rack; 11, guide groove; 12, knob screw; 13, retaining ring; 14, sleeve; 15, positioning pin plate; 16, screw; 17, support plate; 18, support rod; 19, splint; 20, bolt II; 21 22, bolt III; 23, hand-held roughness meter; 24, plug hole; 25, telescopic support seat; 26, rubber pad; 27, plug rod; 28, nut; 29, threaded column .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to Figures 1-5, the present invention provides a technical solution:

A quick measurement device for workpiece surface roughness, including base 1, connecting plate 2, bolt I3, column 4, handle 5, baffle 6, bearing I7, bearing II8, shaft gear 9, rack 10, guide groove 11, knob Screw 12, retaining ring 13, casing 14, positioning pin plate 15, screw 16, support plate 17, support rod 18, splint 19, bolt II20, casing positioning ear 21, bolt III22 and hand-held roughness meter 23, connected The board 2 is installed and fixed at the upper end position of the base 1, the interior of the base 1 and at the left and right sides are provided with insertion holes 24, and the interior of the insertion holes 24 is inserted with a telescopic support seat 25;

A device for quickly measuring the surface roughness of a workpiece, the telescopic support base 25 includes a rubber pad 26, a plug-in rod 27, a nut 28 and a threaded post 29, and a rubber pad is connected to the lower end of the left-hand side of the plug-in rod 27 by sticking 26. The right end of the plug-in rod 27 is connected with a threaded column 29 by welding, and a nut 28 is screwed and fixed on the threaded column 29. There are four telescopic support seats 25 in total, and the four telescopic support seats 25 are inserted and fixed on the base. On the left and right sides of The outer diameter of the rubber ring is equal to the inner diameter of the insertion hole 24, the telescopic support seat 25 is inserted into the insertion hole 24 through the insertion rod 27, and then the nut 28 is screwed and fixed on the threaded post 29, so that when When using the workpiece surface roughness rapid measuring device, the plug-in rod 27 on the telescopic support base 25 can be pulled out from the inside of the base, and the rubber pad 26 on the telescopic support base 25 will be aligned with the plane on which the base 1 is placed. Therefore, the contact area between the base 1 and the plane can be increased, thereby making the placement of the workpiece surface roughness rapid measuring device more stable, avoiding the shaking of the workpiece surface roughness measuring device during measurement, and improving the workpiece surface roughness rapid measuring device. The measurement accuracy of the device, the base 1 and the connecting plate 2 are fixedly connected by bolts I3;

A device for quickly measuring the surface roughness of a workpiece, the upper end of the connecting plate 2 is provided with a column 4 by welding, a retaining ring 13 is provided on the right side of the column 4, and a knob screw 12 is screwed inside the retaining ring 13. The retaining ring 13 and the rack 10 are fixedly connected by the knob screw 12, the right side of the column 4 is provided with an elongated hole, the retaining ring 13 and the casing 14 move up and down with the rack 10, the front end of the column 4 is provided with a baffle 6 by welding, The inner position of the plate 6 and the inner position of the back of the column 4 are provided with apertures, the inner part of the aperture is respectively fixed with a bearing I7 and a bearing II8, the inner part of the baffle plate 6 is provided with a bearing I7, and the inner part of the bearing I7 is inserted with a shaft. Gear 9, shaft gear 9 is composed of a rotating shaft and a gear, the gear is sleeved and fixed on the rotating shaft, the gear and the rack 10 are meshed and connected, and the other end of the shaft gear 9 is sleeved with a handle 5;

A device for quickly measuring the surface roughness of a workpiece. A guide groove 11 is arranged inside the column 4, a rack 10 is movably arranged inside the guide groove 11, and a support rod 18 is connected to the right side of the rack 10 by welding. The support rod 18 The upper sleeve is connected with a splint 19, the support rod 18 and the splint 19 are connected by bolts II20, the splint 19 can be rotated on the support rod 18, thereby driving the hand-held roughness meter 23 inside the casing 14 to rotate, and then the roughness can be quickly measured. Measurement, the upper end of the splint 19 is provided with a support plate 17 by welding, the back of the column 4 is provided with a bearing II8 at the position corresponding to the bearing I7, the bearing I7 and the bearing II8 are sleeved on the shaft gear 9, and the upper end of the support plate 17 A casing 14 is provided, the casing 14 and the support plate 17 are fixedly connected by screws 16, and a hand-held roughness meter 23 is arranged inside the casing 14. The hand-held roughness meter 23 is a known public technology, such as publication No. The patent technical document 207317781U discloses a roughness meter that is easy to clean. The position on both sides of the front end of the casing 14 is provided with casing positioning ears 21 by welding, and the front end of the casing 14 is inserted with a positioning pin plate 15. The positioning pin plate 15 and the casing positioning ears 21 are fixedly connected by bolts III22.

The working principle and use process of the present invention: the column 4 is fixed on the base 1 through the connecting plate 2 and the bolt I3, the column 4 and the connecting plate 2 are welded into a whole, and the hand-held roughness meter 23 is installed in the casing 14 , Press the positioning pin plate 15 to keep it fixed, the positioning pin plate 15 and the positioning ear of the casing 14 are connected by bolts III22, the positioning ear of the casing 14 is welded on the casing 14, and the support plate 17 is welded to the plywood 19 Above, the splint 19 is connected to the casing 14 by the screw 16, the splint 19 is folded in half and then sleeved on the support rod 18, the arc radius of the splint 19 is smaller than the radius of the support rod 18, and the gap between the splint 19 and the support rod 18 is reduced by the bolt II20 An interference fit is formed, and the sleeve 14 is fixed on the support rod 18; when the bolt II20 is loosened, the sleeve 14 can be rotated around the support rod 18 to adjust the measurement angle, and the rack 10 is embedded in the guide groove 11, supporting The rod 18 is welded vertically on the rack 10, the rack 10 moves up and down along the guide groove 11, and drives the casing 14 to move up and down, so as to adjust the measuring height, the shaft gear 9 is supported by the bearing I7 and the bearing II8, and the bearing I7 is installed in the On the baffle 6, the baffle 6 is welded on the column 4, the bearing II8 is installed on the back plate of the column 4, the handle is welded on the gear shaft, and the gear rack 10 is reciprocated up and down by rotating the gear by the handle, so as to adjust the sleeve After the height of the casing 14 and the casing 14 are adjusted, turn the knob screw 12 and the guide groove 11 to tightly clamp the rack 10 between the guide groove 11 and the retaining ring 13 to achieve the purpose of fixing the position of the rack 10. The knob screw 12 guides The groove 11 passes through the through hole of the retaining ring 13 and is connected to the rack 10 through the blind threaded hole on the rack 10. When the guide groove 11 of the knob screw 12 is loosened, the guiding groove 11 of the knob screw 12 and the retaining ring 13 move with the rack 10. Then, place the workpiece surface roughness quick measuring device on the machine table through the base 1, and then the workpiece that needs to measure the surface roughness can be placed in the predetermined position, then it can be rotated by hand 5. 5 will drive the shaft gear 9 to rotate. At this time, the gear on the shaft gear 9 will follow the shaft gear 9 to rotate. At this time, the rotating shaft gear 9 will drive the rack 10 to rise and fall, and the up and down rack 10 will pass through. The support rod 18 drives the casing 14 to rise and fall, thereby driving the hand-held roughness meter 23 inside the casing 14 to rise and fall, so that the hand-held roughness meter 23 contacts the surface of the workpiece whose roughness needs to be measured, and then the casing can be rotated by hand 14. At this time, the casing 14 will rotate on the support rod 18 through the splint 19, so that the hand-held roughness meter 23 inside the casing 14 slides over the surface of the workpiece whose roughness needs to be measured. Roughness measurement.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a quick measuring device of work piece surface roughness, including base (1), connecting plate (2), bolt I (3), stand (4), handle (5), baffle (6), bearing I (7), bearing II (8), shaft gear (9), rack (10), guide way (11), knob screw (12), retaining ring (13), cover (14), locating pin board (15), screw (16), backup pad (17), bracing piece (18), splint (19), bolt II (20), cover location ear (21), bolt III (22) and hand-held type roughness meter (23), its characterized in that: the connecting plate (2) is fixedly arranged at the upper end position of the base (1), the base (1) and the connecting plate (2) are fixedly connected through a bolt I (3), the upper end of the connecting plate (2) is provided with a stand column (4) in a welding mode, a guide groove (11) is arranged inside the stand column (4), a rack (10) is movably arranged inside the guide groove (11), the right side of the rack (10) is connected with a supporting rod (18) in a welding mode, the supporting rod (18) is sleeved with a clamping plate (19), the supporting rod (18) and the clamping plate (19) are connected through a bolt II (20), the upper end of the clamping plate (19) is provided with a supporting plate (17) in a welding mode, the upper end of the supporting plate (17) is provided with a casing (14), and the casing (14) and the supporting plate (17) are fixedly connected through a screw (, the portable roughness meter is characterized in that a handheld roughness meter (23) is arranged inside the casing (14), casing positioning lugs (21) are arranged at positions of two sides of the front end of the casing (14) in a welding mode, a positioning pin plate (15) is inserted into the front end of the casing (14), and the positioning pin plate (15) is fixedly connected with the casing positioning lugs (21) through bolts III (22).

2. The device for rapidly measuring the surface roughness of the workpiece according to claim 1, wherein: the front end of the upright post (4) is provided with a baffle (6) in a welding mode, a bearing I (7) is arranged inside the baffle (6), a shaft gear (9) is inserted inside the bearing I (7), and the other end of the shaft gear (9) is sleeved with a handle (5).

3. The device for rapidly measuring the surface roughness of the workpiece according to claim 1, wherein: the back of the upright post (4) is provided with a bearing II (8) at a position corresponding to the bearing I (7), and the bearing I (7) and the bearing II (8) are both sleeved on the shaft gear (9).

4. The device for rapidly measuring the surface roughness of the workpiece according to claim 1, wherein: the shaft gear (9) is composed of a rotating shaft and a gear, the gear is fixedly sleeved on the rotating shaft, and the gear is meshed with the rack (10).

5. The device for rapidly measuring the surface roughness of the workpiece according to claim 1, wherein: the inside position department of baffle (6) and the back inside position department of stand (4) all are provided with the aperture, the inside in aperture is fixed bearing I (7) and bearing II (8) respectively.

6. The device for rapidly measuring the surface roughness of the workpiece according to claim 1, wherein: the right side of stand (4) is provided with retaining ring (13), the inside of retaining ring (13) is twisted soon and is provided with knob screw (12), retaining ring (13) and rack (10) are through knob screw (12) fixed connection, the right side of stand (4) sets up the elongated hole, retaining ring (13) and cover shell (14) follow rack (10) and reciprocate.

7. The device for rapidly measuring the surface roughness of the workpiece according to claim 1, wherein: the portable multifunctional pedestal is characterized in that inserting holes (24) are formed in the left side and the right side of the base (1), and telescopic supporting seats (25) are inserted in the inserting holes (24).

8. The device for rapidly measuring the surface roughness of the workpiece according to claim 7, wherein: the telescopic supporting seat (25) comprises a rubber pad (26), an inserting rod (27), a nut (28) and a threaded column (29), the rubber pad (26) is connected to the lower end of the left side of the inserting rod (27) in a sticking mode, the threaded column (29) is connected to the right end of the inserting rod (27) in a welding mode, and the nut (28) is screwed and fixed on the threaded column (29).

9. The device for rapidly measuring the surface roughness of the workpiece according to claim 1, wherein: the number of the telescopic supporting seats (25) is four, and the four telescopic supporting seats (25) are spliced and fixed at the positions of the left side and the right side of the base (1).

10. The device for rapidly measuring the surface roughness of the workpiece according to claim 7, wherein: the inside of spliced eye (24) is provided with the rubber circle, the rubber circle is an annular structure, and rubber circle and spliced eye (24) are pasted fixedly through glue, the internal diameter of rubber circle equals the diameter of spliced pole (27), the external diameter of rubber circle equals the internal diameter of spliced eye (24).

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