CN211516176U - Drilling template positioning device - Google Patents

Abstract

The utility model discloses a bushing plate positioner. The utility model discloses a bushing plate positioner includes guide rail adjusting part, a plurality of spirit level adjusting part, bushing plate subassembly and spirit level supporting component. Wherein the rail adjustment assembly is supported by the plurality of level adjustment assemblies. The spirit level adjusting component is used for adjusting the distance and the angle between the guide rail adjusting component and the machine body. The bushing plate assembly is fixed to the rail adjustment assembly and is movable with the rail adjustment assembly. The level gauge supporting assembly is used for fixing a level gauge and is fixed on the drill plate assembly. The utility model has the advantages that the drilling template positioning device can realize the purpose of accurate positioning for the drilling template by arranging the special component structure and the matching relation; and the position is adjusted through the guide rail in the positioning process, so that the operation is convenient.

Description

Drilling template positioning device

Technical Field

The utility model relates to a positioner field especially relates to a bushing plate positioner.

Background

The drill plate is a template with a pilot hole, which is used to pass the drill bushing or a part of the drill bushing itself, and is mostly used in drilling work of simple parts.

Drill plates are used extensively in aircraft construction as a means of interconnecting two or more parts. Compared with the previous marking and sample plate mode, the drilling template can be used for a long time, has stable and reliable structure, can meet the requirements of hole sites of fasteners on the airplane, and can also be suitable for the field with special requirements on holes on the airplane body.

In the fields of automobiles, aviation and aerospace, manufacturers use a large number of drilling templates to meet the requirements of assembling automobiles, airplanes and even rockets, the drilling templates have high hole site precision requirements, some drilling templates have light weight and are portable, some drilling templates have strict requirements on the structure of the drilling templates due to limited space of hole sites, some drilling templates need to be subjected to multistage hole making to meet the fastening requirements of different materials, and other drilling templates need to meet the positioning requirements of positioning holes for measuring certain pneumatic parameters on the airplane, such as the positioning of a total static pressure probe.

For most of the drill jig plates, because the manufactured holes are fastener connecting holes, the requirements on the precision of the hole positions are not high, the design difficulty is not high, and the drill jig plates meeting the requirements can be designed according to the past experience. For the drilling template such as the drilling template of the full static pressure probe pad plate, the drilling template not only needs to meet the rigorous requirements of hole sites in engineering, but also needs to meet the requirements of installation and hole making in the process, and the drilling template is completed on the premise that the drilling template has no definite positioning reference. This presents a significant challenge to the design of the drill plate.

The drilling template has no usable positioning reference, and the drilling precision of the drilling template is high, which must be coordinated by an adjusting mechanism.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the accurate positioning can not be realized to the bushing plate among the prior art, the utility model provides a bushing plate positioner that can realize accurate positioning for the bushing plate.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

the utility model provides a bushing plate positioner, it includes:

the guide rail adjusting assembly is a frame structure comprising an upper supporting plate, a lower supporting plate and a sliding assembly positioned between the upper supporting plate and the lower supporting plate, the frame structure is provided with an inner space penetrating through the upper supporting plate, the lower supporting plate and the sliding assembly, and the sliding assembly can drive the upper supporting plate to move along the horizontal direction relative to the lower supporting plate;

the upper ends of the level meter adjusting components are fixed on the lower supporting plate, the lower ends of the level meter adjusting components are fixed on the machine body of the part to be drilled, and the level meter adjusting components can adjust the distance and the angle between the guide rail adjusting components and the machine body;

the drilling template component is used for fixing a drilling tool, is fixed in the inner space and can move together with the upper supporting plate;

and the level instrument supporting assembly is used for fixing a level instrument and is fixed on the drill plate assembly.

Preferably, the lower supporting plate is provided with a first positioning hole and a second positioning hole which are arranged closely, and the first positioning hole and the second positioning hole are arranged into a plurality of groups to respectively correspond to the plurality of level adjusting assemblies; the level gauge adjusting assembly is of a spherical hinge structure and comprises a threaded positioning pin, a shoulder threaded bushing and a support assembly; the lower end of the threaded positioning pin is provided with a ball head, the upper part of the threaded positioning pin is provided with a rod-shaped structure with threads, and the rod-shaped structure penetrates through the first positioning hole; the strut assembly is provided with a ball socket matched with the ball head and is fixed on the machine body; the shoulder threaded bushing is in threaded fit with the rod-shaped structure and used for adjusting the distance between the lower supporting plate and the base body, the shoulder threaded bushing is provided with a shoulder protruding in the radial direction of the shoulder threaded bushing, and the shoulder is provided with a second matching hole matched with the second positioning hole.

Preferably, the upper support plate is provided with a third positioning hole; the drill jig plate component comprises a drill jig plate, two connecting plates and two drill jig plate component supporting plates, the two connecting plates are parallel to each other and are all vertically arranged, the lower ends of the two connecting plates are perpendicular to the drill jig plate and are fixedly connected through the drill jig plate, the upper ends of the two connecting plates are respectively and fixedly connected with one drill jig plate component supporting plate, drill jig plate component positioning holes corresponding to the third positioning holes are formed in the two drill jig plate component supporting plates, and the drill jig plate component is fixed to the guide rail adjusting component through the drill jig plate component supporting plates.

Preferably, the drill plate is provided with a drill plate positioning hole penetrating through the drill plate in the thickness direction; the level instrument supporting assembly is provided with a level instrument assembly positioning plate located below and a level instrument supporting plate located above, the level instrument assembly positioning plate is horizontally arranged and provided with a level instrument assembly positioning hole corresponding to the drill plate positioning hole, and the level instrument supporting plate is vertically arranged and used for supporting a level instrument.

Preferably, the sliding assembly comprises a transverse guide rail, a longitudinal guide rail, a first sliding block, a second sliding block and an intermediate support plate, wherein the first sliding block or the second sliding block is slidably arranged on the transverse guide rail or the longitudinal guide rail; a first sliding block is arranged above one of the transverse guide rail and the longitudinal guide rail and is fixed on the lower supporting plate; an intermediate support plate is fixed above the first sliding block and can slide along with the first sliding block; the other one of the transverse guide rail and the longitudinal guide rail is fixed above the middle support plate, a second sliding block is arranged above the transverse guide rail and the longitudinal guide rail, an upper support plate is fixed above the second sliding block, and the upper support plate can slide along with the second sliding block.

Preferably, the transverse guide rail or the longitudinal guide rail or the transverse guide rail and the longitudinal guide rail are provided with a guide rail clamp, which can lock the first slider or the second slider.

Preferably, the lower supporting plate is fixed with first blocking pieces at positions corresponding to two ends of one of the transverse guide rail and the longitudinal guide rail, the middle supporting plate is fixed with second blocking pieces at positions corresponding to two ends of the other one of the transverse guide rail and the longitudinal guide rail, the first blocking pieces are used for preventing the first sliding block from sliding out of the guide rail, and the second blocking pieces are used for preventing the second sliding block from sliding out of the guide rail.

Preferably, the side surfaces of the upper supporting plate and the middle supporting plate in the peripheral direction are provided with side surface screw holes; the guide rail adjusting component further comprises a first positioning boss and a second positioning boss, the first positioning boss and the second positioning boss are of 90-degree angle plate structures, the horizontal parts of the first positioning boss and the second positioning boss are respectively fixed on different sides of the lower supporting plate, a first locking hole is formed in the upper portion of the vertical part of the first positioning boss, a second locking hole is formed in the upper portion of the vertical part of the second positioning boss, the first locking hole is matched with the side screw hole of the middle supporting plate, and the second locking hole is matched with the side screw hole of the upper supporting plate.

Preferably, the transverse rail comprises a plurality of rails and the longitudinal rail comprises a plurality of rails.

Preferably, each transverse guide rail is provided with a plurality of sliding blocks, and each longitudinal guide rail is provided with a plurality of sliding blocks.

Preferably, the two drill jig plate assembly supporting plates are provided with OTP positioning holes.

Preferably, the third positioning holes are provided in plurality, and at least one third positioning hole is provided with an internal thread, and the drill plate assembly is screwed to the third positioning hole with the internal thread by a bolt or a shouldered screw clamping pin.

Preferably, the third positioning holes are multiple, at least one third positioning hole is a through hole or a blind hole, and the drill plate assembly is inserted into the third positioning hole formed as the through hole or the blind hole through the first positioning bolt to realize positioning.

Preferably, the jig plate positioning holes are plural, and at least one of the jig plate positioning holes has an internal thread, and the level support assembly is screwed to the jig plate positioning hole by a bolt or a second shouldered screw clamping pin

Preferably, the drill plate positioning holes are multiple, at least one drill plate positioning hole is a through hole or a blind hole, and the level instrument supporting component is inserted into the drill plate positioning hole formed as the through hole or the blind hole through the second positioning bolt to realize positioning.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in:

the utility model discloses a bushing plate positioner includes guide rail adjusting part, a plurality of spirit level adjusting part, bushing plate subassembly and spirit level supporting component. Wherein the rail adjustment assembly is supported by the plurality of level adjustment assemblies. The spirit level adjusting component is used for adjusting the distance and the angle between the guide rail adjusting component and the machine body. The bushing plate assembly is fixed to the rail adjustment assembly and is movable with the rail adjustment assembly. The level gauge supporting assembly is used for fixing a level gauge and is fixed on the drill plate assembly. The utility model has the advantages that the drilling template positioning device can realize the purpose of accurate positioning for the drilling template by arranging the special component structure and the matching relation; and the position is adjusted through the guide rail in the positioning process, so that the operation is convenient.

Drawings

Fig. 1 is a perspective view of a guide rail adjusting assembly of a drill plate positioning device according to a preferred embodiment of the present invention.

Fig. 2 is an exploded perspective view of a guide rail adjusting assembly of the drill plate positioning device according to a preferred embodiment of the present invention.

Fig. 3 is a perspective view of a level adjusting assembly of the drill plate positioning device according to a preferred embodiment of the present invention.

Fig. 4 is a cross-sectional view of a level adjusting assembly of a bushing plate positioning device according to a preferred embodiment of the present invention.

Fig. 5 is a perspective view of a drill plate assembly of the drill plate positioning device according to a preferred embodiment of the present invention.

Fig. 6 is a perspective view of a spirit level support assembly of the drill plate positioning device according to a preferred embodiment of the present invention.

Fig. 7 is a perspective view of a drill plate positioning device according to a preferred embodiment of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided in conjunction with the accompanying drawings, and the following description is exemplary and not intended to limit the present invention, and any other similar situations may fall within the scope of the present invention.

In the following detailed description, directional terms, such as "left", "right", "upper", "lower", "front", "rear", "longitudinal", "lateral", "vertically disposed", and the like, are used with reference to the orientation as illustrated in the drawings. The components of embodiments of the present invention can be positioned in a number of different orientations and the directional terminology is used for purposes of illustration and is in no way limiting.

A preferred embodiment of a bushing plate positioning device according to the present invention is described in further detail below with reference to fig. 1-7. The bushing plate positioning device in this embodiment includes a rail adjustment assembly, a plurality of level adjustment assemblies, a bushing plate assembly, and a level support assembly. Wherein, the guide rail adjusting component is a frame structure comprising an upper supporting plate 22, a lower supporting plate 9 and a sliding component positioned between the upper supporting plate 22 and the lower supporting plate 9. The frame structure has an interior space that extends through the upper support plate 22, the lower support plate 9 and the slide assembly. The upper support plate 22 is fixed above the sliding assembly, and the sliding assembly can drive the upper support plate 22 to move in the horizontal direction relative to the lower support plate 9. To facilitate operation of the track adjustment assembly, the slide assembly is configured to move the upper support plate 22 in a horizontal direction, longitudinally and transversely, respectively, in this embodiment. The upper end of the level gauge adjusting component is fixed on the lower supporting plate 9, the lower end of the level gauge adjusting component is fixed on a machine body of a part to be drilled, and the level gauge adjusting component is used for adjusting the distance and the angle between the guide rail adjusting component and the machine body. The drill plate assembly is used for fixing a drilling tool. The bushing plate assembly is secured to the interior space and is movable with the upper support plate 22. The level gauge supporting assembly is used for fixing a level gauge and is fixed on the drill plate assembly.

As shown in fig. 1-2, the lower supporting plate 9 is provided with a first positioning hole 35 and a second positioning hole 36 which are arranged closely, and the first positioning hole 35 and the second positioning hole 36 are arranged in groups and are arranged in multiple groups to correspond to the plurality of level adjusting assemblies respectively. The level gauge adjusting assembly is of a spherical hinge structure and comprises a threaded positioning pin 5, a shoulder threaded bushing 6 and a support assembly; the lower end of the threaded positioning pin 5 is a ball head, the upper part of the threaded positioning pin is a rod-shaped structure with threads, and the rod-shaped structure penetrates through the first positioning hole 35; the strut assembly is provided with a ball socket matched with the ball head and is fixed on the machine body; the shoulder threaded bushing 6 is in threaded fit with the rod-shaped structure for adjusting the distance between the lower support plate 9 and the machine body, and the shoulder threaded bushing 6 has a shoulder protruding in the radial direction thereof, and the shoulder is provided with a second fitting hole 37 fitted with the second positioning hole 36. As shown in fig. 2, it shows an embodiment of the pillar assembly when the jig plate positioning device is applied to a part to be drilled, such as a skin, having a small thickness. The pillar assembly can be set to include a nut 1, a gasket 2, a pillar 3 and a cylindrical table 4, wherein the cross section of the pillar 3 is approximately T-shaped, the vertical part of the pillar contains threads, and the nut 1 is matched with the threads. A cylindrical table 4 is located above the post 3, the post table 4 and the post 3 together defining the shape of a ball and socket. The diameter of the vertical part of the pillar 3 is slightly smaller than the diameter of a through hole of a part to be drilled with smaller thickness, such as a skin, and the like, and during positioning, the vertical part of the pillar 3 penetrates through the through hole, and then the pillar assembly is fixed on the part through the cooperation of the gasket 2 and the nut 1. The embodiment of fig. 7 includes 4 sets of level adjustment assemblies (two of which are shown, and for two sets of level adjustment assemblies not shown directly, which are located on the lower support plate 9 at positions symmetrical to the two sets shown).

As shown in fig. 1-2, the upper support plate 22 has a third positioning hole 43. As shown in fig. 5, the drill plate assembly includes a drill plate 27, two connecting plates 28 and two drill plate assembly supporting plates 29, the two connecting plates 28 are parallel to each other and are vertically disposed, the lower ends of the two connecting plates 28 are perpendicular to the drill plate 27 and are fixedly connected by the drill plate 27, the upper ends of the two connecting plates 28 are respectively and vertically and fixedly connected with one drill plate assembly supporting plate 29, drill plate assembly positioning holes 44 corresponding to the third positioning holes 43 are respectively formed in the two drill plate assembly supporting plates 29, and the drill plate assembly is fixed to the rail adjusting assembly by the drill plate assembly supporting plates 29. The drill plate assemblies are placed in the inner space of the guide rail adjusting assembly, the drill plate assembly positioning holes 44 of the two drill plate assembly supporting plates 29 are respectively aligned with the third positioning holes 43 of the upper supporting plate 22, and the drill plate assemblies can be fixed on the upper supporting plate 22 through fasteners. For the convenience of fixing, a part of the third positioning holes 43 are blind holes or through holes, another part of the third positioning holes 43 are screw holes, the blind holes or through holes are used for positioning, and the screw holes are used for fastening. To avoid wear to the respective jig plate assembly locating holes 44 during repeated removal of the first locating pin 32, bushings may be disposed in the respective jig plate assembly locating holes 44; similarly, bushings may also be disposed in the bushing plate assembly locating holes 44 corresponding to the first shouldered screw clamp pin 31.

As shown in fig. 5, the jig plate 27 is provided with jig plate positioning holes 34 penetrating through the thickness direction thereof. As shown in fig. 6, the level support assembly has a level assembly positioning plate 33 located below and a level support plate 24 located above, the level assembly positioning plate 33 being horizontally disposed and provided with level assembly positioning holes 45 corresponding to the jig plate positioning holes 34, and the level support plate 24 being vertically disposed for supporting a level. For the convenience of fixing, part of the drill plate positioning holes 34 are blind holes or through holes, the other part of the drill plate positioning holes 34 are screw holes, the blind holes or the through holes are used for positioning, and the screw holes are used for fastening. To avoid wear to the corresponding level assembly locating holes 45 during repeated removal of the second locating pin 26, bushings may be disposed in the corresponding level assembly locating holes 45; similarly, a bushing may be disposed in the level assembly positioning hole 45 corresponding to the second shoulder screw clamp pin 25.

Fig. 1-2 and 7 show a sliding assembly of a preferred embodiment comprising a transverse guide 17, a longitudinal guide 38, a first slider 39, a second slider 18 and an intermediate support plate 16, the first slider 39 or the second slider 18 being slidably arranged on the transverse guide 17 or the longitudinal guide 38; a first slider 39 is disposed above one of the lateral guide rail 17 and the longitudinal guide rail 38, and is fixed to the lower support plate 9; an intermediate support plate 16 is fixed above the first slide block 39, and the intermediate support plate 16 can slide along with the first slide block 39; the other one of the transverse guide rail 17 and the longitudinal guide rail 38 is fixed above the middle support plate 16, a second slide block 18 is arranged above the other one, an upper support plate 22 is fixed above the second slide block 18, and the upper support plate 22 can slide along with the second slide block 18. More specifically, fig. 1-2, 7 show an example in which the lateral guide rails 38 are disposed below and the longitudinal guide rails 17 are disposed above, where the positions of the lateral guide rails 38 and the longitudinal guide rails may be interchanged. In addition, it should be noted that although the sliding component is moved by sliding the sliding block on the guide rail in the embodiment, a gear transmission may be provided to realize the movement. For example, a driving gear is provided on the intermediate support plate 9, a driven gear is provided on the upper support plate 22, and the upper support plate 22 is moved by the meshing relationship between the driving gear and the driven gear. It should be noted that the drawings are provided for convenience of illustrating the overall structure of the present apparatus, and in actual use, the level support plate 24 is not necessarily in the state shown in fig. 7, and for example, it is preferable to ensure that the level support plate 24 is in a horizontal state rather than a vertical state. The "vertical disposition of the level support plate 24" as described herein is intended merely to convey the meaning of the relationship between it and other components, and is not a limiting term.

In order to ensure locking of the slide, rail clamps 19 can be provided on the transverse rails 17 or the longitudinal rails 38 or on the transverse rails 17 and the longitudinal rails 38. When the rail clamp 19 is locked to the corresponding rail, the first slide 39 or the second slide 18 cannot slide, thereby performing a locking function. In order to ensure that the rail clamp 19 does not block the corresponding rail and does not shake to impact the corresponding rail and damage the corresponding rail when moving along with the corresponding sliding block, an auxiliary gasket 20 is further arranged above the rail clamp 19. The auxiliary backing plate 20 fills a part of gaps between the guide rail clamp 19 and the lower surface of the upper support plate 22, so that the guide rail clamp 19 does not shake when moving along with the corresponding slide block on the guide rail.

In order to prevent the sliding block from sliding out of the guide rail due to too large moving amplitude when the sliding block slides on the corresponding guide rail, two ends of the guide rail are also provided with blocking pieces. Specifically, as shown in fig. 1-2, first blocking pieces 13 are fixed to the lower support plate 9 at positions corresponding to both ends of one of the transverse guide rail 17 and the longitudinal guide rail 38, second blocking pieces 14 are fixed to the intermediate support plate 16 at positions corresponding to both ends of the other of the transverse guide rail 17 and the longitudinal guide rail 38, the first blocking pieces 13 are used for preventing the first slider 39 from sliding out of the guide rail, and the second blocking pieces 14 are used for preventing the second slider 18 from sliding out of the guide rail.

A locking device for locking the slide assembly is further provided in this embodiment. Specifically, as shown in fig. 1-2, the side surfaces of the upper support plate 22 and the middle support plate 16 in the peripheral direction are provided with side surface screw holes 40; the guide rail adjusting assembly further comprises a first positioning boss 10 and a second positioning boss 11, the first positioning boss 10 and the second positioning boss 11 are of 90-degree angle plate structures, the horizontal parts of the first positioning boss 10 and the second positioning boss 11 are respectively fixed on different sides of the lower supporting plate 9, a first locking hole 41 is formed in the upper portion of the vertical part of the first positioning boss 10, a second locking hole 42 is formed in the upper portion of the vertical part of the second positioning boss 11, the first locking hole 41 is matched with a side screw hole 40 of the middle supporting plate 16, and the second locking hole 42 is matched with a side screw hole 40 of the upper supporting plate 22. In this way, when the upper support plate 22 is moved to the theoretical position, the upper support plate 22 is locked by means of the first positioning bosses 10 and the second positioning bosses 10, ensuring that no further lateral or longitudinal movement is performed. Wherein, the horizontal parts of the first positioning bosses 10 and the second positioning bosses 11 can be fixed on the corresponding positions of the lower support plate 9 by means of positioning pins 12.

In order to ensure smooth movement of the guide rails, the transverse guide rails 17 may be provided in plural, and the longitudinal guide rails 38 may be provided in plural. In the example of fig. 2, both the transverse rails 17 and the longitudinal rails 38 are two.

In order to ensure that the upper support plate 22 moves smoothly, a plurality of guide rails may be disposed on each guide rail. In the example of fig. 2, 2 slides are arranged on each transverse rail 17 and 2 slides are arranged on each longitudinal rail 38.

As shown in fig. 5, in order to improve the measurement reference, OTP positioning holes (optical positioning holes) 30 are further provided in both of the jig plate assembly support plates 29. The position of the OTP locating hole 30 can be fed back to the position of the functional hole provided on the jig plate 27. Preferably, 2 OTP locating holes 30 are provided in one of the drill plate assembly support plates 29 and 1 OTP locating hole 30 is provided in the other drill plate assembly support plate 29. To prevent wear of the parts, the OTP locating hole 30 may also be provided with a corresponding bushing. After the OTP positioning hole 30 is provided, the relative positions of the drill plate and the level support plate and the three OTP positioning holes are fixed, and the mutual position relationship between the drill plate 27 and the machine body of the part to be drilled can be changed by the ball hinge structure and the guide rail device. When the leveling instrument is adjusted to measure the level and the three OTP positioning holes 30 are adjusted to theoretical positions, the functional holes on the drill plate 27 are correct positions, and a datum hole positioning or positioning surface is needed in the middle of the process, so that high-precision hole making is still realized. Wherein the coordinate values of the OTP positioning hole 30 can be measured by a tool ball in the OTP positioning hole 30.

The inventive bushing plate positioning device can be operated according to the following steps:

(1) fixing the guide rail adjusting assembly on the machine body through the level adjusting assembly (see fig. 7);

(2) respectively inserting positioning pins 12 into the first positioning boss 10 and the second positioning boss 11 to fix the guide rail adjusting assembly at a theoretical position;

(3) fixing a level instrument support plate 24 on a drill plate 27 through a second screw clamping pin 25 with a shoulder and a cylindrical positioning bolt 26;

(4) the level instrument adjusting component is placed on a level instrument supporting plate 24, the threaded positioning pin 5 is adjusted 4, and the level instrument is adjusted to be horizontal, namely the angle of the drill plate 27 meets the requirement;

(5) disassembling the gradienter and the gradienter supporting component;

(6) taking out the positioning pin 12, and then, the guide rail adjusting assembly can move along the direction of the guide rail;

after the OTP positioning hole is formed, in order to more precisely lock the position of the functional hole, the following steps may be further performed:

(7) placing tool balls in the OTP positioning holes 30, measuring coordinates of 3 tool balls by using a laser tracker, and adjusting the 3 tool balls to theoretical positions;

(8) locking the guide rail clamp, and fixing the position of the drill plate 27;

(9) and (6) drilling holes.

The utility model discloses a bushing plate subassembly is whole can realize numerical control machine tooling, expresses functional hole positional information by the measuring aperture on spirit level backup pad 24 surfaces, does not lose the precision, is convenient for measure again.

Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (15)

1. A bushing plate positioning device, comprising:

the guide rail adjusting assembly is a frame structure comprising an upper supporting plate (22), a lower supporting plate (9) and a sliding assembly positioned between the upper supporting plate (22) and the lower supporting plate (9), the frame structure is provided with an inner space which penetrates through the upper supporting plate (22), the lower supporting plate (9) and the sliding assembly, and the sliding assembly can drive the upper supporting plate (22) to move along the horizontal direction relative to the lower supporting plate (9);

the upper ends of the level adjusting components are fixed on the lower supporting plate (9), the lower ends of the level adjusting components are fixed on a machine body of a part to be drilled, and the distance and the angle between the guide rail adjusting components and the machine body can be adjusted through the level adjusting components;

a drill plate assembly for securing a drill, the drill plate assembly being secured to the interior space and being movable with the upper support plate (22);

and the level instrument supporting assembly is used for fixing a level instrument and is fixed on the drill plate assembly.

2. The jig plate positioning device as claimed in claim 1, wherein the lower support plate (9) is provided with a first positioning hole (35) and a second positioning hole (36) which are arranged adjacently, the first positioning hole (35) and the second positioning hole (36) being arranged in a plurality of groups to correspond to a plurality of the level adjustment assemblies, respectively; the level adjusting assembly is of a spherical hinge structure and comprises a threaded positioning pin (5), a threaded bushing with a shoulder (6) and a strut assembly; the lower end of the threaded positioning pin (5) is a ball head, the upper part of the threaded positioning pin is a rod-shaped structure with threads, and the rod-shaped structure penetrates through the first positioning hole (35); the strut assembly is provided with a ball socket matched with the ball head and is fixed on the machine body; the shoulder threaded bushing (6) is matched with the rod-shaped structure in a threaded mode and used for adjusting the distance between the lower supporting plate and the machine body, the shoulder threaded bushing (6) is provided with a shoulder protruding in the radial direction of the shoulder threaded bushing, and the shoulder threaded bushing is provided with a second matching hole (37) matched with the second positioning hole (36).

3. The bushing plate positioning device according to claim 2, wherein the upper support plate (22) has a third positioning hole (43); the drill jig plate component comprises a drill jig plate (27), two connecting plates (28) and two drill jig plate component supporting plates (29), wherein the two connecting plates (28) are parallel to each other and are arranged vertically, the lower ends of the two connecting plates (28) are perpendicular to the drill jig plate (27), the drill jig plate (27) is fixedly connected with the two connecting plates, the upper ends of the two connecting plates (28) are respectively fixedly connected with the drill jig plate component supporting plates (29) vertically, drill jig plate component positioning holes (44) corresponding to the third positioning holes (43) are formed in the two drill jig plate component supporting plates (29), and the drill jig plate component supporting plates (29) are fixed on the guide rail adjusting component.

4. The jig plate positioning device as claimed in claim 3, wherein the jig plate (27) is provided with jig plate positioning holes (34) extending through a thickness direction thereof; the level instrument supporting assembly is provided with a level instrument assembly positioning plate (33) located below and a level instrument supporting plate (24) located above, the level instrument assembly positioning plate (33) is horizontally arranged and provided with a level instrument assembly positioning hole (45) corresponding to the drill plate positioning hole (34), and the level instrument supporting plate (24) is vertically arranged and used for supporting a level instrument.

5. The bushing plate positioning device according to claim 1, characterized in that the sliding assembly comprises a transverse guide rail (17), a longitudinal guide rail (38), a first slider (39), a second slider (18) and an intermediate support plate (16), the first slider (39) or the second slider (18) being slidably arranged on the transverse guide rail (17) or the longitudinal guide rail (38); the first sliding block (39) is arranged above one of the transverse guide rail (17) and the longitudinal guide rail (38) and is fixed on the lower supporting plate (9); an intermediate support plate (16) is fixed above the first sliding block (39), and the intermediate support plate (16) can slide along with the first sliding block (39); the other one of the transverse guide rail (17) and the longitudinal guide rail (38) is fixed above the middle support plate (16), the second sliding block (18) is arranged above the other one of the transverse guide rail and the longitudinal guide rail, the upper support plate (22) is fixed above the second sliding block (18), and the upper support plate (22) can slide along with the second sliding block (18).

6. Bushing plate positioning device according to claim 5, characterized in that the cross rail (17) or the longitudinal rail (38) or the cross rail (17) and the longitudinal rail (38) are provided with rail clamps (19), which rail clamps (19) can lock the first slide (39) or the second slide (18).

7. The bushing plate positioning device as claimed in claim 6, characterized in that the lower support plate (9) is fixed with first blocking plates (13) at positions corresponding to both ends of one of the transverse rail (17) and the longitudinal rail (38), and the intermediate support plate (16) is fixed with second blocking plates (14) at positions corresponding to both ends of the other of the transverse rail (17) and the longitudinal rail (38), wherein the first blocking plates (13) are used for preventing the first sliding block (39) from sliding out of the rails, and the second blocking plates (14) are used for preventing the second sliding block (18) from sliding out of the rails.

8. The jig plate positioning device as claimed in claim 7, wherein the upper support plate (22) and the middle support plate (16) are provided with side screw holes (40) on the side surfaces in the peripheral direction; guide rail adjusting part further includes first location boss (10), second location boss (11), first location boss (10), second location boss (11) are 90 scute structure, and its horizontal part distributes and is fixed in on the different sides of lower support plate (9), the upper portion of the vertical part of first location boss (10) is equipped with first locking hole (41), the upper portion of the vertical part of second location boss (11) is equipped with second locking hole (42), first locking hole (41) with middle support plate (16) side screw (40) cooperation, second locking hole (42) with go up backup pad (22) side (40) cooperation.

9. Bushing plate positioning device according to claim 6, characterized in that the transverse rail (17) comprises a plurality of rails and the longitudinal rail (38) also comprises a plurality of rails.

10. Bushing plate positioning device according to any of claims 5-9, characterized in that a plurality of said slides are arranged on each of said transverse rails (17) and a plurality of said slides are arranged on each of said longitudinal rails (38).

11. The bushing plate positioning device according to claim 10, wherein both of the bushing plate assembly support plates (29) are provided with OTP positioning holes.

12. The bushing plate positioning device according to claim 3, characterized in that the third positioning hole (43) has a plurality, and at least one of the third positioning holes (43) has an internal thread, and the bushing plate assembly is tightened to the third positioning hole (43) having an internal thread by a bolt or a first shouldered screw clamping pin (31).

13. The jig plate positioning device as claimed in claim 12, wherein at least one of the third positioning holes (43) is a through hole or a blind hole, and the jig plate assembly is inserted into the third positioning hole (43) formed as the through hole or the blind hole through the first positioning pin (32) to achieve positioning.

14. The jig plate positioning device according to claim 4, wherein the jig plate positioning holes (34) are plural and at least one of the jig plate positioning holes (34) is internally threaded, the level support assembly being screwed to the jig plate positioning hole (34) by a bolt or a second shouldered screw clamping pin (25).

15. The jig plate positioning device as claimed in claim 14, wherein at least one of the jig plate positioning holes (34) is a through hole or a blind hole, and the level support assembly is inserted into the jig plate positioning hole (34) formed as the through hole or the blind hole through a second positioning pin (26) to perform positioning.

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