CN219037870U - Concentricity detection device - Google Patents

Abstract

The utility model discloses a concentricity detection device which comprises a base, wherein the front end of the top surface of the base is vertically connected with a front panel, and the rear end of the top surface of the base is vertically connected with a rear panel. The utility model is used for accurately positioning the reference shafts with different sizes by arranging the bearing shaft plate with adjustable height and the sliding plate with adjustable front and rear distances, so that the stability of the reference shafts is ensured, the circle runout during rotation is reduced, the universal support rod is additionally arranged for fixing the dial indicator, the dial indicator can detect the front end cover of the vacuum pump at any angle, the dial indicator is rotated to observe whether the runout amplitude on the dial indicator exceeds the tolerance range or not, the function of rapidly detecting the inner diameter and the outer diameter of the front end of the vacuum pump is realized, whether the sliding plate and the bearing shaft plate are proper or not is not required to be known after the sliding plate and the bearing shaft plate are installed on vacuum pump equipment once, and workers can detect the front end cover of the vacuum pump with the same model in a large number.

Description

Concentricity detection device

Technical Field

The utility model relates to the field of vacuum pump detection, in particular to a concentricity detection device.

Background

Vacuum pumps refer to devices or apparatus that draw air from a container being evacuated using mechanical, physical, chemical, or physicochemical means to obtain a vacuum. Generally, vacuum pumps are devices that improve, create, and maintain a vacuum in an enclosed space by various methods.

Because the vacuum pump can produce great vibrations in the use, the cooperation requirement is higher between its part size, take vacuum pump front end housing for example, if front end housing size tolerance is great, can lead to front end housing and equipment itself to produce great wearing and tearing, so when vacuum pump production equipment, the staff need pay attention to the concentricity of vacuum pump front end housing and equipment itself, before loading into equipment, lack the detection on the dimensional tolerance of incoming material, especially to the detection of circle run-out part, can only find the concentricity has been made partial material and scrapped when not reaching standards again after the product is organized, can reduce the yields of whole vacuum pump like this, increase whole manufacturing cost, so according to the response needs of first-line workman, need we to design a special detection of vacuum pump's front end housing to improve the yields of vacuum pump.

For this purpose, we propose a concentricity detection device to solve the above problems.

Disclosure of Invention

The present utility model is directed to a concentricity detection device, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a concentricity detection device, includes the base, base top surface front end is connected with the front panel perpendicularly, base top surface rear end is connected with the rear panel perpendicularly, be connected with the sliding shaft between front panel and the rear panel, sliding shaft outer wall sliding connection has the sliding plate, the locking ring is installed to the sliding plate front end, locking ring constitutes sliding connection with the sliding shaft, the back-up shaft board is installed to the sliding plate rear end, the joint box is installed to the rear panel rear end, joint box outer wall one side rotates and is connected with universal bracing piece, the amesdial is installed to universal bracing piece one end, install the reference shaft between rear panel and the back-up shaft board.

In a further embodiment, at least two sliding shafts are provided and are respectively distributed perpendicular to the front panel and the rear panel.

In a further embodiment, a first groove is formed in the top of the rear panel, a first connecting shaft roller is connected to the front end face of the first groove through a bolt, a second groove is formed in the top of the bearing shaft plate, and a second connecting shaft roller is connected to the second groove through a bolt.

In a further embodiment, two ends of the reference shaft are respectively and movably connected with the first connecting shaft roller and the second connecting shaft roller, and a front end cover of the vacuum pump is sleeved in the middle of the reference shaft.

In a further embodiment, a sliding groove is formed in the surface of the sliding plate, and the bearing shaft plate is movably connected with the sliding groove through a bolt.

In a further embodiment, the outer wall of the locking ring is connected with a rotating handle in a threaded manner, and the inner side of the locking ring is connected with a pressing plate through a spring.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is used for accurately positioning the reference shafts with different sizes by arranging the bearing shaft plate with adjustable height and the sliding plate with adjustable front and rear distances, so that the stability of the reference shafts is ensured, the circle runout during rotation is reduced, the universal support rod is additionally arranged for fixing the dial indicator, the dial indicator can detect the front end cover of the vacuum pump at any angle, the dial indicator is rotated to observe whether the runout amplitude on the dial indicator exceeds the tolerance range or not, the function of rapidly detecting the inner diameter and the outer diameter of the front end of the vacuum pump is realized, whether the sliding plate and the bearing shaft plate are proper or not is not required to be known after the sliding plate and the bearing shaft plate are installed on vacuum pump equipment once, workers can detect the front end covers of the vacuum pump with the same model in a large number, the standard shafts are not required to be replaced, a plurality of front end covers of the vacuum pump can be detected once, unqualified products are rapidly discharged, and the yield of the whole vacuum pump is increased.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a front view of a concentricity detection device.

Fig. 2 is a schematic diagram of a three-dimensional structure of a rear view angle in the concentricity detection device.

Fig. 3 is a schematic structural view of a locking ring and a sliding shaft in the concentricity detection device.

In the figure: 1. a base; 2. a front panel; 3. a rear panel; 301. a first coupling roller; 4. a sliding plate; 5. a locking ring; 6. a bearing plate; 601. a second coupling roller; 7. a sliding shaft; 8. a connection box; 9. a universal support rod; 10. a dial gauge; 11. a reference axis.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in the concentricity detection device of the present utility model, the concentricity detection device comprises a base 1, wherein a front panel 2 is vertically connected to the front end of the top surface of the base 1, a rear panel 3 is vertically connected to the rear end of the top surface of the base 1, a sliding shaft 7 is connected between the front panel 2 and the rear panel 3, a sliding plate 4 is slidably connected to the outer wall of the sliding shaft 7, a locking ring 5 is installed at the front end of the sliding plate 4, the locking ring 5 and the sliding shaft 7 form a sliding connection, a bearing plate 6 is installed at the rear end of the sliding plate 4, a connecting box 8 is installed at the rear end of the rear panel 3, a universal supporting rod 9 is rotatably connected to one side of the outer wall of the connecting box 8, a dial gauge 10 is installed at one end of the universal supporting rod 9, and a reference shaft 11 is installed between the rear panel 3 and the bearing plate 6.

Example 1

Referring to fig. 1-3, in an embodiment of the present utility model, at least two sliding shafts 7 are provided, and are respectively perpendicular to the front panel 2 and the rear panel 3, and the sliding shafts 7 are provided with two sliding plates that can ensure that the sliding plate 4 will not rotate during the transverse sliding, so that the two sliding plates can keep stable transverse parallel sliding.

The back panel 3 top has seted up first recess, first recess front end face has first connecting shaft roller 301 through bolted connection, the second recess has been seted up at back panel 6 top, the second recess has second connecting shaft roller 601 through bolted connection, and first recess and second recess are all offered to triangle-shaped recess, support about the reference shaft 11 through first connecting shaft roller 301 and second connecting shaft roller 601, reduce the wearing and tearing that form between reference shaft 11 and back panel 3 and the back panel 6.

The reference shaft 11 both ends respectively with first connecting shaft roller 301 and the mutual swing joint of second connecting shaft roller 601, vacuum pump front end housing has been cup jointed at the reference shaft 11 middle part, and first connecting shaft roller 301 and second connecting shaft roller 601 can adopt the rubber material to be used for lifting the both ends of reference shaft 11, and the size at the reference shaft 11 middle part is customized according to the true dimension of vacuum pump front end housing internal diameter, needs the inside of laminating vacuum pump front end housing, guarantees axiality.

Example 2

Referring to fig. 1 to 3, the difference from embodiment 1 is that: the sliding groove is formed in the surface of the sliding plate 4, the bearing plate 6 is movably connected with the sliding groove through bolts, nuts are arranged on the other sides of the bolts on the bearing plate 6 in a matched mode, the bolts on the bearing plate 6 can slide at the sliding groove of the sliding plate 4, and the stable positions on the bearing plate 6 are fixed through the nuts.

Example 3

Referring to fig. 1 to 3, the difference from embodiment 1 is that: the outer wall threaded connection of locking ring 5 has twist grip, the locking ring 5 inboard is connected with the clamp plate through the spring, can let the screw thread end can be rotatory mode with the jack-prop insert the inboard of locking ring 5 through the mode of turning twist grip, can promote clamp plate and sliding shaft 7 and carry out relative fixation like this.

The working principle of the utility model is as follows:

firstly, the position of the sliding plate 4 is accurately adjusted, the pressing plate and the sliding shaft 7 are mutually separated by rotating the rotating handle on the locking ring 5, the position of the sliding plate 4 is accurately adjusted according to the length of the actual reference shaft 11, then the height of the bearing shaft plate 6 is accurately adjusted, the bearing shaft plate 6 and the sliding plate 4 can slide relatively by loosening bolts on the bearing shaft plate 6, the diameter sizes of the front end and the rear end of the reference shaft 11 with different sizes are different, the bearing shaft plate 6 is required to be adjusted in height, the coaxiality of the bearing shaft is ensured, the reference shaft 11 can be placed on the bearing shaft plate 6 and the rear panel 3 after the bearing shaft is completely adjusted, whether circle runout exists or not is detected by rotating the reference shaft 11, whether the adjustment of the bearing shaft plate 6 is in place or not is checked by detecting the circle runout mode, the front end cover of the vacuum pump is sleeved on the reference shaft 11 after the adjustment, the measuring end of the micrometer gauge 10 is sleeved on the outer wall or the inner wall of the front end cover of the vacuum pump through the supporting rod 9, and whether the width of the micrometer gauge 10 exceeds the micrometer difference range of the micrometer gauge is observed through rotating the front end cover of the micrometer gauge 10.

It should be noted that: two positions of the front end cover of the vacuum pump need to be detected, namely, the outer circle position of the front end cover of the vacuum pump, which is close to one side of the bearing plate 6, and the outer circle position with the largest protruding part, and the inner circle of the concave position of the front end cover of the vacuum pump, which is close to one side of the rear panel 3, need to be detected, whether the circle runout exceeds the tolerance range or not, and then the surface of the end cover needs to be cleaned before the front end cover of the vacuum pump is detected, so that the influence on the tolerance caused by other particles such as dust is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. Concentricity detection device, its characterized in that: including base (1), base (1) top surface front end is connected with front panel (2) perpendicularly, base (1) top surface rear end is connected with rear panel (3) perpendicularly, be connected with sliding shaft (7) between front panel (2) and rear panel (3), sliding shaft (7) outer wall sliding connection has sliding plate (4), locking ring (5) are installed to sliding plate (4) front end, locking ring (5) and sliding shaft (7) constitute sliding connection, bearing plate (6) are installed to sliding plate (4) rear end, connecting box (8) are installed to rear panel (3) rear end, connecting box (8) outer wall one side rotation is connected with universal bracing piece (9), dial indicator (10) are installed to universal bracing piece (9) one end, install base shaft (11) between rear panel (3) and bearing plate (6).

2. The concentricity detection device according to claim 1, wherein: the sliding shafts (7) are at least two and are respectively and mutually perpendicular to the front panel (2) and the rear panel (3).

3. The concentricity detection device according to claim 1, wherein: the rear panel (3) top has seted up first recess, first recess preceding terminal surface has first connecting roller (301) through bolted connection, the second recess has been seted up at spandrel plate (6) top, the second recess has second connecting roller (601) through bolted connection.

4. The concentricity detection device according to claim 1, wherein: the two ends of the reference shaft (11) are respectively and movably connected with the first connecting shaft roller (301) and the second connecting shaft roller (601), and the middle part of the reference shaft (11) is sleeved with a front end cover of the vacuum pump.

5. The concentricity detection device according to claim 1, wherein: the sliding plate (4) is provided with a sliding groove on the surface, and the bearing shaft plate (6) is movably connected with the sliding groove through bolts.

6. The concentricity detection device according to claim 1, wherein: the outer wall of the locking ring (5) is connected with a rotating handle in a threaded manner, and the inner side of the locking ring (5) is connected with a pressing plate through a spring.

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