CN215984436U

CN215984436U - Universal tool for three-coordinate measuring machine for top cover inspection

Info

Publication number: CN215984436U
Application number: CN202121525207.2U
Authority: CN
Inventors: 高鹏飞; 全鑫; 刘洋; 陈强; 潘宇妮; 宋军
Original assignee: Xian Aerospace Propulsion Institute
Current assignee: Xian Aerospace Propulsion Institute
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-03-08
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to the technical field of machining, in particular to a universal tool for a three-coordinate measuring machine for top cover inspection, which fixes a top cover through a base, a fixed sliding block and a pressing plate fixing assembly, can replace a three-jaw chuck used in the past by using the tool, and meets the requirements of positioning, clamping and measuring.

Description

Universal tool for three-coordinate measuring machine for top cover inspection

Technical Field

The utility model relates to the technical field of machining, in particular to a universal tool of a three-coordinate measuring machine for top cover inspection.

Background

The top cover is one of the main metal pieces. The top cover has different external dimensions and structural features, and as shown in fig. 1, one of the existing top cover structures is a disc-like part, and is provided with a boss, a groove, a deep hole, a thread and other features. The machining process of the top cover mainly comprises the procedures of rough turning, fine turning, rough milling and fine milling, and a check point is set after each step is finished to check whether the size of a part meets the requirements of a process file.

Currently, full-scale measurements are made on the caps using a three-coordinate measuring machine. Firstly, clamping the top cover excircle by using a three-jaw chuck, positioning and aligning, setting a part measurement coordinate system, a measurement path and measurement parameters, and detecting all sizes of the front surface. And secondly, turning the top cover by 180 degrees, repeating the process, and detecting all sizes of the back surface. Compared with manual detection, the three-coordinate measuring machine has the advantages of high efficiency, accuracy, high automation degree and the like, and the working intensity of inspectors is reduced.

With the increase of production tasks and the number of products, higher requirements are put on inspection processes, and further improvement of inspection efficiency is required. The top cover does not have a special inspection tool, and a three-jaw chuck and other universal tools are often used for clamping and measuring the top cover. The size of the top cover is getting bigger, the maximum diameter is gradually increased from 400mm to 550mm, and the mass is increased from 20kg to 50 kg. The size, the structural feature, the quality of top cap are very different, and during three-dimensional inspection, need change the three-jaw chuck of different specifications many times, fix a position many times, and this has restricted inspection efficiency greatly, causes many troubles for the inspector simultaneously.

Therefore, the utility model provides a universal tool of a three-coordinate measuring machine for top cover inspection.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art, provides the universal tool of the three-coordinate measuring machine for top cover inspection, and particularly has the characteristics of strong applicability, optimization of the existing inspection process and improvement of the inspection efficiency.

The technical problem solved by the utility model can be realized by adopting the following technical scheme:

the utility model provides a general frock of three-coordinate measuring machine for top cap inspection, includes base, fixed sliding block and the fixed subassembly of clamp plate, the base is provided with the symmetrical spout of multiunit, all set up a fixed sliding block in the symmetrical spout of every group, the fixed subassembly of clamp plate is installed at the top of fixed sliding block, communicate each other between the symmetrical spout.

Furthermore, the base is of a disc-shaped structure, a plurality of groups of guide parts are symmetrically arranged on the disc-shaped structure along the circumference of the disc, a first sliding groove penetrates through each group of symmetrical guide parts, the fixed sliding block is arranged in the first sliding groove, and a plurality of first fixing holes are also formed in the disc-shaped structure.

Furthermore, the fixed sliding block comprises a sliding mechanism at the bottom and a bearing mechanism at the top, the sliding mechanism at the bottom is connected to the sliding groove on the base in a sliding manner, and the bearing mechanism at the top is connected with the pressing plate fixing assembly.

Further, slide mechanism include sliding part and fixed part, sliding part and fixed part middle part are connected, and the sliding part is located lower part and both sides and is provided with outstanding mesa, and the fixed part is located upper portion and both sides and is provided with outstanding mesa, sliding part sliding connection is in the spout on the base, the fixed part is located the upper portion of spout on the base, still open the second fixed orifices on the outstanding mesa of fixed part both sides.

Further, the bearing mechanism comprises a bearing table board and a fixed table board, one end of the fixed table board is located on one end of the bearing table board, the other end of the fixed table board extends outwards, a third fixing hole is formed in the upper surface of the other end of the fixed table board, which extends outwards, and a second sliding groove is formed in one end of the fixed table board.

Furthermore, the pressing plate fixing assembly comprises a pressing plate, a third sliding groove is formed in the middle of the pressing plate, a bolt is connected in the third sliding groove in a penetrating mode, a nut is further connected to one end, located on the upper surface of the pressing plate, of the bolt after penetrating, and one end, located on the lower surface of the pressing plate, of the bolt is connected with the top end of the fixed sliding block.

Further, clamp plate one end still be provided with joint portion, joint portion is including pressure plate portion and concave station portion, pressure plate portion level sets up, the vertical setting of concave station portion, the terminal surface that pressure plate portion and concave station portion lie in the outside all is provided with the terminal surface of certain radian.

Furthermore, the plate surface at one end of the pressing plate is also vertically provided with a limiting fastening part.

Furthermore, a gasket is arranged between the nut and the upper surface of the pressure plate.

The utility model has the beneficial effects that:

compared with the prior art, the top cover is fixed through the base, the fixed sliding block and the pressing plate fixing assembly, the tool can be used for replacing a three-jaw chuck used in the past, the positioning, clamping and measuring requirements are met, the most obvious technical effect of the utility model is that the three-jaw chuck with different specifications does not need to be replaced for multiple times, repeated positioning and alignment are not needed, the inspection efficiency and the detection precision are improved, and the tool is applied to a three-coordinate measuring machine to detect the size of the top cover, has strong universality and has popularization and application values.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of a top cover structure of the prior art.

Fig. 2 is a schematic view of the overall structure of the base of the present invention.

Fig. 3 is a schematic view of the overall structure of the fixed slider of the present invention.

Fig. 4 is a schematic view of the entire structure of the platen fixing assembly of the present invention.

Fig. 5 is a schematic structural view of a use state of the whole tool for detecting the top cover.

In the figure: 1-base, 2-first sliding groove, 3-guide part, 4-first fixing hole, 5-fixed sliding block, 6-sliding part, 7-fixing part, 8-second fixing hole, 9-bearing table board, 10-second sliding groove, 11-fixing table board, 12-third fixing hole, 13-pressing plate fixing component, 14-third sliding groove, 15-bolt, 16-limiting fastening part, 17-gasket, 18-nut, 19-clamping part, 20-pressing plate part and 21-concave part.

Detailed Description

It should be noted that, in each embodiment of the present invention, the base 1 and the fixed slider 5 may be formed as an integral structure; the top cover is an existing metal component, the universal tool for the three-coordinate measuring machine for inspecting the top cover is not limited to the top cover in the utility model shown in fig. 1, and the top cover only can be applied to the tool in the utility model, and the protection scope of the utility model is included.

The technical solution of the universal tooling for a three-coordinate measuring machine for top cover inspection according to the present invention will be described in detail by several specific embodiments.

Referring to fig. 2, 3 and 4, the general tool for the three-coordinate measuring machine for the top cover inspection comprises a base 1, fixed sliding blocks 5 and a pressing plate fixing assembly 13, wherein the base 1 is provided with a plurality of groups of symmetrical sliding grooves, one fixed sliding block 5 is arranged in each group of symmetrical sliding grooves, the pressing plate fixing assembly 13 is installed at the top of each fixed sliding block 5, and the symmetrical sliding grooves are communicated with one another.

In the above embodiment, when the three-coordinate measuring machine is used for full-size measurement of the top cover, the base 1 is fixed on the working plane of the three-coordinate measuring machine, the position of the fixed sliding block 5 in the sliding groove is adjusted according to the size of the top cover, the top cover is placed at the top of the fixed sliding block 5, the position of the fixed sliding block 5 in the sliding groove is fixed firstly, the top cover is clamped and fixed by the pressing plate fixing component 13 at the top of the fixed sliding block 5, the sliding grooves are symmetrical and communicated with each other, the position of the fixed sliding block 5 can be adjusted freely along the direction of the sliding groove, and the top covers with different diameters can be clamped.

Referring to fig. 2, further, the base 1 is a disk-shaped structure, a plurality of groups of guide portions 3 are symmetrically arranged along the disk circumference of the disk-shaped structure, a first sliding groove 2 penetrates through each group of symmetrical guide portions 3, the fixed slider 5 is arranged in the first sliding groove 2, and a plurality of first fixing holes 4 are also arranged on the disk-shaped structure.

As shown in fig. 1, the number of the guide portions 3 may be two, four guide portions 3 are symmetrically and uniformly arranged on the circumferential end surface of the disc structure, the first sliding groove 2 penetrates through one set of symmetrical guide portions 3, and the first sliding groove 2 may be a T-shaped groove, which are all arranged on the disc surface of the disc structure between adjacent guide portions 3.

Set up base 1 to disc structure lifting surface area big in the above-mentioned embodiment, stability is strong, set up two sets of guide parts 3 and be used for connecting solid fixed sliding block 5 at disc structure's circumference terminal surface, be convenient for adjust solid fixed sliding block 5's position, wherein two sets of guide parts 3 and base 1 structure as an organic whole, it has first spout 2 to run through to open on every symmetrical guide part 3 of group, the position of being convenient for adjust solid fixed sliding block 5 is applicable to the top cap of different diameters, disc structure is last still to be provided with four first fixed orificess 4, be used for fixing whole base 1 on three coordinate measuring machine working planes through the bolt.

Referring to fig. 3, further, the fixed sliding block 5 includes a bottom sliding mechanism and a top bearing mechanism, the bottom sliding mechanism is slidably connected to the sliding groove of the base 1, and the top bearing mechanism is connected to the pressing plate fixing component 13. When the position of the fixed sliding block 5 is adjusted, the fixed sliding block 5 slides in the sliding groove on the base 1, namely the guide part 3, through the sliding mechanism at the bottom so as to adjust the position of the whole body, the bearing mechanism at the top is used for bearing a top cover, and the pressing plate fixing component 13 connected with the bearing mechanism is used for clamping and fixing the top cover.

Further, slide mechanism include sliding part 6 and fixed part 7, sliding part 6 and fixed part 7 middle part are connected, and sliding part 6 is located the lower part and both sides are provided with outstanding mesa, and fixed part 7 is located upper portion and both sides and is provided with outstanding mesa, sliding part 6 sliding connection is in base 1 goes up the spout, fixed part 7 is located the upper portion of base 1 goes up the spout, still open second fixed orifices 8 on the outstanding mesa of fixed part 7 both sides. The spout on the base 1 is T type groove, wherein sliding part 6 and fixed part 7 become "shi" style of calligraphy body structure, sliding part 6 is located the T type spout of base 1, fixed part 7 is located upper portion and both sides and is provided with outstanding mesa and is used for increasing the stability of whole fixed sliding block 5, it is used for fixing fixed sliding block 5 on certain position of spout to open second fixed orifices 8 on the mesa that fixed part 7 both sides are outstanding simultaneously, this spout is that the both sides up end of spout can trompil on guide part 3 in figure 2, also can not trompil, directly twist soon the bolt and fix the mesa that fixed part 7 both sides are outstanding on the mesa on spout upper portion, this structure makes fixed sliding block 5 can be adjusted the position wantonly and is suitable for the top cap of different diameters size.

Further, the bearing mechanism comprises a bearing table top 9 and a fixed table top 11, one end of the fixed table top 11 is located on one end of the bearing table top 9, the other end of the fixed table top 11 extends outwards, a third fixing hole 12 is formed in the upper surface of the other end of the fixed table top 11, which extends outwards, and a second sliding groove 10 is formed in one end of the fixed table top 11.

When the top cover is placed, specifically, the circumferential bottom surface of the bottom of the top cover is placed on the bearing table top 9, the fixing table top 11 is used for connecting the pressing plate fixing component 13, the bearing table top 9 and the fixing table top 11 are of an integrated structure arranged in a staggered mode, the bearing mechanism and the sliding mechanism are also of an integrated structure, the third fixing hole 12 is used for limiting the radial position of the pressing plate fixing component 13, and the second sliding groove 10 is used for adjusting the axial position of the pressing plate fixing component 13.

Referring to fig. 4, further, the pressing plate fixing assembly 13 includes a pressing plate, a third sliding groove 14 is formed in the middle of the pressing plate, a bolt 15 is connected in the third sliding groove 14 in a penetrating manner, a nut 18 is further connected to one end, located on the upper surface of the pressing plate, of the bolt 15 after the bolt 15 penetrates, and one end, located on the lower surface of the pressing plate, of the bolt 15 is connected to the top end of the fixing slide block 5. During the use, the bottom of a bolt 15 penetrating through a third sliding groove 14 formed in the middle of a pressing plate is connected in a sliding mode into a second sliding groove 10 formed in a fixed table board 11, the position of the bolt 15 in the second sliding groove 10 is fixed through a nut 18 at the other end of the bolt 15, the position of a whole plate fixing component 13 is convenient to adjust through the structure, meanwhile, the pressing plate fixing component 13 can compress a top cover to be fixed, the third sliding groove 14 is a strip-shaped hole with a certain length, the position of the bolt 15 can be adjusted along the length direction of the pressing plate in the hole, the length of the third sliding groove 14 can be equal to that of the second sliding groove 10 formed in one end of the fixed table board 11, and the second sliding groove 10 is a T-shaped sliding groove.

Further, clamp plate one end still be provided with joint portion 19, joint portion 19 includes pressure plate portion 20 and recess

portion

21, 20 level settings of pressure plate portion, the vertical setting of recess portion 21, the terminal surface that pressure plate portion 20 and recess portion 21 are located the outside all is provided with the terminal surface of certain radian. Carry out the joint through joint portion 19 in the in-service use and compress tightly the top cap, specifically compress tightly the upper surface of top cap through pressure board portion 20, recess portion 21 is to top cap central point puts the clamp tightly, the terminal surface that is located the outside at pressure board portion 20 is provided with the terminal surface of certain radian, the terminal surface that this pressure board portion 20 is located the outside is for being close to the terminal surface of pressing from both sides tight top cap one side, the terminal surface of this terminal surface for having certain radian is in order to guarantee not to influence the detection of top cap, the radian terminal surface of recess portion 21 is in order to satisfy the circumference radian that matches the top cap, guarantee to press from both sides the top cap completely and tightly can not rock.

Furthermore, a limiting fastening part 16 is vertically arranged on the surface of one end of the pressing plate. The limiting fastening part 16 can be a pin and is directly inserted into the third fixing hole 12 on the fixing table top 11, so that the radial position of the whole pressing plate is limited, wherein the diameter of the pin is slightly smaller than the diameter of the third fixing hole 12, the pin is not shaken after being inserted, the radial position can also be fixed in a bolt and nut mode, the third fixing hole 12 is a through hole, the limiting fastening part 16 is connected to the plate surface at one end of the pressing plate, then the limiting fastening part 16 is inserted into the third fixing hole 12 and is fixed through a nut, top covers with different thicknesses can be clamped by the limiting fastening part 16, so that the measurement of the top covers with different sizes and structural characteristics is realized, and the limiting fastening part 16 can also adopt other modes as long as the limiting fastening function of the utility model can be realized, and the utility model belongs to the protection scope.

Further, a gasket 17 is arranged between the nut 18 and the upper surface of the pressure plate. The gasket 17 prevents the nut 18 and the bolt 15 from slipping when the third sliding chute 14 is used for a long time, and the gasket 17 makes the nut 18 and the bolt 15 easier to tighten and free from shaking, so that the nut 18 does not damage the upper outer edge of the third sliding chute 14.

In practical use, the base 1 is provided with four countersunk holes, namely the first fixing holes 4, on the disc-shaped structure, and M10 bolts are installed in the first fixing holes 4 and fixed on the working plane of the three-coordinate measuring machine. The four fixed sliding blocks 5 are respectively placed in four guide rails, namely the first sliding grooves 2, of the base 1, the sliding portions 6 at the bottoms of the fixed sliding blocks 5 are designed in a size matched mode with that of the first sliding grooves 2, M8 bolts are installed in the second fixing holes 8 in the table tops protruding from the two sides of the fixed portion 7, and the fixed sliding blocks 5 are fixed.

The bolt 15 adopts an M8 bolt, the M8 bolt passes through the third sliding chute 14 of the pressure plate, and the bolt head is placed in the second sliding chute 10. The size of the limit fastening part 16 is matched with the size of the third fixing hole 12, and the limit fastening part 16 penetrates through the pressing plate and is placed in the third fixing hole 12.

When the universal tool is used, the fixed sliding block 5 is moved along the first sliding groove 2 direction of the base 1, the top covers with different diameters can be clamped, the pressing plate is moved along the length direction of the limiting fastening part, and the top covers with different thicknesses can be clamped, so that the top covers with different sizes and structural characteristics can be measured.

The four fixed sliding blocks 5 are not required to be symmetrically distributed based on the center of the base 1 at the installation positions in the first sliding groove 2, and the center of the top cover is aligned before the size of the top cover is measured.

Referring to fig. 5, when the top cover is detected, the universal inspection tool base 1 is installed on the working plane of the three-coordinate measuring machine, the parallelism of the upper surface of the base 1 is ensured, four fixed sliding blocks 5 are placed at appropriate positions of the first sliding grooves 2 of the base according to the size of the top cover, and the relative positions of the four fixed sliding blocks 5 are fixed by using M8 bolts, so that the requirements that: the two end faces of the top cover can be stably placed on the bearing table top 9 at the top of the fixed sliding block. The top cover is placed above the four fixed sliding blocks 5, the top cover is fixed by the pressing plate fixing component 13, and the center of the top cover can be misaligned with the center of the base 1. The center of the top cover is aligned, a part measurement coordinate system is established, a test path is programmed and planned, test measurement parameters are set, all sizes of the front face of the top cover are detected, and whether the top cover is qualified or not is evaluated. And (4) turning the top cover by 180 degrees, repeating the steps, measuring the whole size of the back surface of the top cover, and evaluating.

Through practical operation verification, the universal inspection tool can better clamp top covers of different materials, sizes and qualities, complete full-size inspection of the top covers on a three-coordinate measuring machine smoothly, and detect accurate data. After the universal inspection tool is installed in place once, the universal inspection tool can be continuously used for half a year, and the positioning precision, the clamping effect and the size detection accuracy meet the requirements.

While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Technical solutions between various embodiments may be combined with each other, but must be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. The utility model provides a three coordinate measuring machine universal fixturing for top cap inspection which characterized by: including base (1), solid fixed sliding block (5) and clamp plate fixed subassembly (13), base (1) is provided with the symmetrical spout of multiunit, all set up a solid fixed sliding block (5) in the symmetrical spout of every group, the top at solid fixed sliding block (5) is installed in clamp plate fixed subassembly (13), communicate each other between the symmetrical spout.

2. The universal tool for the three-coordinate measuring machine for the inspection of the top cover as claimed in claim 1, wherein: the base (1) be the disc structure, disc structure along the symmetrical multiunit guide part (3) that is provided with in disc week, run through on every symmetrical guide part (3) of group and open first spout (2), fixed slider (5) set up in first spout (2), still be provided with a plurality of first fixed orificess (4) on the disc structure.

3. The universal tool for the three-coordinate measuring machine for the inspection of the top cover, according to claim 1 or 2, is characterized in that: the fixed sliding block (5) comprises a sliding mechanism at the bottom and a bearing mechanism at the top, the sliding mechanism at the bottom is connected to the sliding groove on the base (1) in a sliding manner, and the bearing mechanism at the top is connected with the pressing plate fixing component (13).

4. The universal tool for the three-coordinate measuring machine for the inspection of the top cover as claimed in claim 3, wherein: slide mechanism include sliding part (6) and fixed part (7), sliding part (6) and fixed part (7) middle part are connected, sliding part (6) are located lower part and both sides and are provided with outstanding mesa, and fixed part (7) are located upper portion and both sides and are provided with outstanding mesa, sliding part (6) sliding connection is in the spout on base (1), fixed part (7) are located the upper portion of spout on base (1), still open second fixed orifices (8) on the outstanding mesa of fixed part (7) both sides.

5. The universal tool for the three-coordinate measuring machine for the inspection of the top cover as claimed in claim 3, wherein: the bearing mechanism comprises a bearing table board (9) and a fixed table board (11), one end of the fixed table board (11) is located at one end of the bearing table board (9), the other end of the fixed table board (11) extends outwards, a third fixing hole (12) is formed in the upper surface of the other end of the fixed table board (11) extending outwards, and a second sliding groove (10) is formed in one end of the fixed table board (11).

6. The universal tool for the three-coordinate measuring machine for the inspection of the top cover, according to claim 1 or 2, is characterized in that: the pressing plate fixing assembly (13) comprises a pressing plate, a third sliding groove (14) is formed in the middle of the pressing plate, a bolt (15) is connected into the third sliding groove (14) in a penetrating mode, one end, located on the upper surface of the pressing plate, of the bolt (15) after penetrating is further connected with a nut (18), and one end, located on the lower surface of the pressing plate, of the bolt (15) is connected with the top end of the fixed sliding block (5).

7. The universal tool for the three-coordinate measuring machine for the inspection of the top cover as claimed in claim 6, wherein: clamp plate one end still be provided with joint portion (19), joint portion (19) are including pressure plate portion (20) and concave station portion (21), pressure plate portion (20) level sets up, the vertical setting of concave station portion (21), the terminal surface that pressure plate portion (20) and concave station portion (21) are located the outside all is provided with the terminal surface of certain radian.

8. The universal tool for the three-coordinate measuring machine for the inspection of the top cover as claimed in claim 7, wherein: the plate surface at one end of the pressing plate is also vertically provided with a limiting fastening part (16).

9. The universal tool for the three-coordinate measuring machine for the inspection of the top cover as claimed in claim 6, wherein: and a gasket (17) is also arranged between the nut (18) and the upper surface of the pressure plate.