CN221247731U - High-precision vertical coordinate boring machine beam assembly adjusting device - Google Patents

Abstract

The utility model discloses a high-precision vertical coordinate boring machine beam assembly adjusting device, which comprises a base fixedly connected with a T-shaped groove screw of a vertical coordinate boring machine workbench, a movable seat and an adjusting seat; the base is provided with two transverse linear guide rails, the movable seat is arranged on the base through the linear guide rails, the movable seat is provided with two longitudinal linear guide rails, and the adjusting seat is arranged on the movable seat through the longitudinal linear guide rails; and a screw rod assembly is further arranged between the two transverse linear guide rails and connected with the movable seat. According to the utility model, through adjusting the two sets of devices in one type, the transverse, longitudinal and vertical directions of the cross beam are finely adjusted, and the positions of the cross beam in six directions such as the transverse rotation direction, the longitudinal rotation direction and the vertical rotation direction are adjusted, so that the assembly size interval of roller bearings between the left and right upright V-shaped guide rails of the machine tool and the V-shaped guide rail of the cross beam is ensured, the structural design is reasonable and simple, the use is safe and reliable, and the assembly precision requirement of the high-precision vertical coordinate boring machine can be effectively ensured.

Description

High-precision vertical coordinate boring machine beam assembly adjusting device

Technical Field

The utility model relates to the technical field of high-precision coordinate boring machines, in particular to a high-precision vertical coordinate boring machine beam assembly adjusting device.

Background

The high-precision vertical coordinate boring machine is a domestic double-column high-precision processing machine tool, the assembly precision requirement is extremely high, the linear shaft positioning precision is 2.5 mu m, the repeated positioning precision is 1.2 mu m, a basic structure is that a left upright post and a right upright post are arranged at two ends of a machine body, right-angle V-shaped guide rail structures are adopted on the machine body and the upright posts, a right-angle convex V-shaped guide rail is respectively arranged on the left upright post and the right upright post, two right-angle concave V-shaped guide rails are arranged on one side of a cross beam connected with the upright post, roller linear bearings are assembled between the upright post and the cross beam right-angle V-shaped guide rails and then are matched, the assembly size spacing of the roller bearings exists between the upright post right-angle convex V-shaped guide rail and the cross beam right-angle concave V-shaped guide rail, the size tolerance is controlled within 0.01mm, and the assembly precision and the spacing of the cross beam and the left upright post V-shaped guide rail and the right upright post V-shaped guide rail influence the whole machine precision.

In the actual assembly process, after the left upright post and the right upright post are assembled to the lathe bed respectively, dimensional errors exist between the central axis span of the left upright post convex V-shaped guide rail and the central axis span of the two concave V-shaped guide rails on the cross beam, so that the assembly dimensional interval tolerance of the roller bearings between the left upright post V-shaped guide rail surface and the right upright post V-shaped guide rail surface is larger, the assembly dimensional interval of the roller bearings between the left upright post V-shaped guide rail and the left upright post V-shaped guide rail is not guaranteed, if the roller bearings are assembled directly, the roller bearings are easy to damage, therefore, before the linear roller bearings are assembled, the process assembly method is adopted, the transverse position, the longitudinal position and the vertical position of the cross beam are finely adjusted by using an adjusting device, the assembly dimensional interval of the roller bearings between the right upright post V-shaped guide rail and the right upright post V-shaped guide rail is guaranteed to be within the tolerance, and the assembly dimensional interval of the roller bearings between the left upright post V-shaped guide rail and the left upright post V-shaped guide rail is required to be adjusted and worn by measuring the left end interval.

Disclosure of utility model

The utility model aims at: aiming at the problems, the high-precision vertical coordinate boring machine beam assembly adjusting device is provided, and the assembly size distance of the roller bearing between the concave V-shaped guide surface of the beam and the convex V-shaped guide surface of the upright post is ensured by adjusting the transverse, longitudinal, vertical and other positions of the beam.

The technical scheme of the utility model is as follows:

The utility model discloses a high-precision vertical coordinate boring machine beam assembly adjusting device, which comprises a base fixedly connected with a T-shaped groove screw of a vertical coordinate boring machine workbench, a movable seat and an adjusting seat; the base is provided with two transverse linear guide rails, the movable seat is arranged on the base through the linear guide rails, the movable seat is provided with two longitudinal linear guide rails, and the adjusting seat is arranged on the movable seat through the longitudinal linear guide rails; and a screw rod assembly is further arranged between the two transverse linear guide rails and connected with the movable seat.

According to the structure, the movable seat is assembled with the sliding block of the linear guide rail and is fastened in a screw connection mode, the screw nut seat is assembled with the movable seat in a combined mode, the screw connection mode is fastened, the screw nut on the roller screw is assembled with the screw nut in a combined mode, the screw connection mode is fastened, and the roller screw on the rotary adjusting device can achieve longitudinal front-back movement of the movable seat; the two linear guide rails are assembled with the movable seat through screw connection, the adjusting seat is assembled with the sliding block of the linear guide rails and is fastened through screw connection, and the adjusting seat can transversely move left and right through rotating the adjusting screw in the thrust of the adjusting seat on the movable seat; the lower margin seat is installed on the adjustment seat, through T type groove, connects fastening with screw and T type piece, and fine setting screw and lower margin seat threaded connection can realize the vertical up-and-down motion of crossbeam through adjusting fine setting screw.

Further, the screw assembly comprises a bearing support, a roller screw and a screw seat, wherein the screw seat and the bearing support are respectively arranged at the left end and the right end of the base, one end of the roller screw is installed in the bearing support, and the other end of the roller screw is installed in the screw seat.

Further, a screw nut seat is arranged below the movable seat and is connected with a screw nut on the roller screw.

Further, the sliding blocks are respectively arranged on the transverse linear guide rail and the longitudinal linear guide rail, the bottom of the movable seat is fixedly connected with the sliding blocks of the transverse linear guide rail through screws, and the adjusting seat is fixedly connected with the sliding blocks of the longitudinal linear guide rail through screws.

Further, two anchor seats are arranged on the adjusting seat, two ends of each anchor seat are fixed on the adjusting seat through T-shaped blocks screwed into the adjusting seat by screws, fine adjustment screws are arranged right above the anchor seats, and the fine adjustment screws are connected with threaded screw holes of the anchor seats.

Further, the two sides of the base are also provided with movable seat thrust blocks and limiting blocks, the movable seat thrust blocks are arranged on the two sides of the movable seat, and the limiting blocks are arranged on the outer sides of the two movable seat thrust blocks; the two sides of the movable seat are provided with adjusting seat thrust blocks which are arranged at the two sides of the adjusting seat; the movable seat thrust block and the adjusting seat thrust block are respectively provided with an adjusting screw and a jacking block,

Further, the adjusting device comprises two sets of adjusting devices, and the two sets of adjusting devices are arranged on the workbench of the vertical coordinate boring machine in a side-by-side and transverse mode.

Through adjusting two sets of devices of the structure, the transverse, longitudinal and vertical positions of the cross beam and six directions such as the transverse rotation direction, the longitudinal rotation direction and the vertical rotation direction are finely adjusted, and the assembly size interval of the roller bearings between the left and right upright V-shaped guide rails of the machine tool and the V-shaped guide rails of the cross beam is ensured.

Further, one end of the roller screw is connected with a bearing support through a screw support bearing, a bearing gland is fixed on an outer ring of the bearing support through a spacer ring and a lock nut, the spacer ring is in clearance fit with one end of the roller screw and is attached to the plane of an inner ring of the screw support bearing, the lock nut is attached to a spacer ring surface and used for locking each component, a sleeve and a taper pin are used for being assembled and pinned with the roller screw, the sleeve and the sleeve are connected with one end of the roller screw in clearance fit, and the taper pin is matched and pinned with a sleeve hole surface.

Further, the other end of the roller screw is connected with the screw seat through a supporting bearing, the other end of the supporting bearing roller screw is in transition fit with the screw seat, and the bearing clamp is arranged in the screw seat and used for blocking the two ends of the excircle of the supporting bearing.

Further, the bearing support is fixedly connected with the right end of the base through a cylindrical hexagon head screw.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

In order to ensure the assembly precision of the high-precision vertical coordinate boring machine beam, the utility model can finely adjust the transverse, longitudinal and vertical directions of the beam, the positions of the beam in six directions such as the transverse rotation direction, the longitudinal rotation direction and the vertical direction, and ensure the assembly size interval of the roller bearings between the left and right upright column V-shaped guide rails of the machine tool and the V-shaped guide rail of the beam. The transverse movement is realized by the thrust spiral screws at the two ends of the movable seat of the rotary adjusting device, and plays a role in thrust fixation; the longitudinal movement is realized by rotating a screw rod on a base of the adjusting device; the vertical movement is realized by rotating and adjusting a fine adjustment screw on the foundation seat; the fine adjustment screws on the foundation seats of the two sets of adjusting devices are mainly adjusted by rotating around the transverse direction and rotating around the longitudinal direction; the rotation around the vertical direction is mainly realized by adjusting the screw rod assembly on the base of the one-type two-set adjusting device. The utility model has reasonable and simple structural design, is safe and reliable in use, and can effectively ensure the assembly precision requirement of the high-precision vertical coordinate boring machine.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in a use state;

FIG. 2 is an enlarged view of the present utility model in use;

FIG. 3 is a schematic perspective view of the whole structure of the present utility model;

FIG. 4 is a front view of the overall structure of the present utility model;

FIG. 5 is a side view of the overall structure of the present utility model;

FIG. 6 is a cross-sectional view of A-A in a side view of the overall structure of the present utility model;

FIG. 7 is a schematic diagram of the principle of use of the present utility model;

FIG. 8 is an enlarged view of section I of the schematic diagram of the principle of use of the present utility model;

Reference numerals: the device comprises a 1-base, a 2-bearing support, a 3-roller screw, a 4-screw support bearing, a 5-bearing gland, a 6-spacer ring, a 7-lock nut, an 8-combination sleeve, a 9-sleeve, a 10-taper pin, an 11-screw seat, a 12-screw nut seat, a 13-support bearing, a 14-bearing clamp, a 15-top block, a 16-movable seat thrust block, a 17-adjusting screw, a 18-limiting block, a 19-transverse linear guide rail, a 20-movable seat, a 21-longitudinal linear guide rail, a 22-adjusting seat, a 23-foot seat, a 24-fine adjusting screw, a 25-T-shaped block, a 26-adjusting seat thrust block, an A-beam, a B-left upright, a C-right upright, a D-workbench, an E-lathe bed and an F-adjusting device.

Detailed Description

It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The features and capabilities of the present utility model are described in further detail below in connection with examples.

Example 1

As shown in fig. 3-6, the utility model discloses a high-precision vertical coordinate boring machine beam assembly adjusting device and method, comprising a base 1 fixedly connected with a T-shaped groove screw of a vertical coordinate boring machine workbench, a movable seat 20 and an adjusting seat 22; two transverse linear guide rails 19 are arranged on the base 1, a movable seat 20 is arranged on the base 1 through the linear guide rails 19, two longitudinal linear guide rails 21 are arranged on the movable seat 20, and an adjusting seat 22 is arranged on the movable seat 20 through the longitudinal linear guide rails 21; a screw assembly is also arranged between the two transverse linear guides 19, said screw assembly being connected to the mobile seat 20. The screw assembly comprises a bearing support 2, a roller screw 3 and a screw seat 11, wherein the screw seat 11 and the bearing support 2 are respectively arranged at the left end and the right end of the base 1, one end of the roller screw 3 is installed in the bearing support 2, and the other end of the roller screw 3 is installed in the screw seat 11. A screw nut seat 12 is arranged below the movable seat 20, and the screw nut seat 12 is connected with a screw nut on the roller screw 3. The sliding blocks are respectively arranged on the transverse linear guide 19 and the longitudinal linear guide 21, the bottom of the movable seat 20 is fixedly connected with the sliding blocks of the transverse linear guide 19 through screws, and the adjusting seat 22 is fixedly connected with the sliding blocks of the longitudinal linear guide 21 through screws. Two anchor seats 23 are arranged on the adjusting seat 22, two ends of each anchor seat 23 are fixed on the adjusting seat 22 through T-shaped blocks 25 screwed into the adjusting seat 22 by screws, fine adjusting screws 24 are arranged right above the anchor seats 23, and the fine adjusting screws 24 are connected with screw holes of the anchor seats 23. The two sides of the base 1 are also provided with movable seat thrust blocks 16 and limiting blocks 18, the movable seat thrust blocks 16 are arranged on the two sides of the movable seat 20, and the limiting blocks 18 are arranged on the outer sides of the two movable seat thrust blocks 16; the two sides of the movable seat are provided with adjusting seat thrust blocks 26, and the adjusting seat thrust blocks 26 are arranged at the two sides of the adjusting seat; the movable seat thrust block 16 and the adjusting seat thrust block 26 are respectively provided with an adjusting screw 17 and a top block 15.

One end of the roller screw 3 is connected with the bearing support 2 through the screw support bearing 4, the bearing gland 5 is fixed on the outer ring of the bearing support 2 through the spacer ring 6 and the lock nut 7, the spacer ring 6 is in clearance fit with one end of the roller screw 3 and is attached to the plane of the inner ring of the screw support bearing 4, the lock nut 7 is attached to the surface of the spacer ring 6 and is used for locking each component, the sleeve 8, the sleeve 9 and the taper pin 10 are used for being assembled and pinned with the roller screw 3, the sleeve 8 and the sleeve 9 are connected with one end of the roller screw 3 in clearance fit, the taper pin 10 is matched and pinned with the hole surface of the sleeve 9, the other end of the roller screw 3 is connected with the screw seat 11 through the support bearing 13, the other end of the roller screw 3 is in transition fit with the screw seat 11, and the bearing clamp 14 is installed into the screw seat 11 and is used for blocking the two ends of the outer circle of the support bearing 13. The bearing support 2 is fixedly connected with the right end of the base 1 through a cylindrical hexagon head screw.

Example two

As shown in fig. 1 and 2, the high-precision vertical coordinate boring machine beam assembly and adjustment device is formed by two sets, and when the high-precision vertical coordinate boring beam A is assembled, the two sets are transversely arranged on the vertical coordinate workbench D side by side. The adjusting device comprises a base 1, wherein the base 1 is fixedly connected with a T-shaped groove screw of a vertical coordinate boring machine workbench D.

As shown in fig. 1, the part (1) is a beam adjustment direction coordinate system, X1 is a beam transverse adjustment direction, Y1 is a beam longitudinal adjustment direction, Z1 is a beam vertical adjustment direction, RX1 is a beam rotation adjustment direction around the transverse direction, RY1 is a beam rotation adjustment direction around the longitudinal direction, and RZ1 is a beam rotation adjustment direction around the vertical direction. (2) The system is characterized in that the system is composed of a part of an adjusting device adjusting direction coordinate system, X is the transverse adjusting direction of the adjusting device, Y is the longitudinal adjusting direction of the adjusting device, Z is the vertical adjusting direction of the adjusting device, RX is the adjusting direction of the adjusting device rotating around the transverse direction, RY is the adjusting direction of the adjusting device rotating around the longitudinal direction, and RZ is the adjusting direction of the adjusting device rotating around the vertical direction. H1 and H2 are the space between the V-shaped guide rail of the left upright B and the V-shaped guide rail on the left side of the cross beam A.

The movable seat 20 is assembled with the sliding block of the transverse linear guide 19 and is fastened by screw connection, the screw nut seat 12 is assembled with the movable seat 20, the screw connection is fastened, the screw nut on the roller screw 3 is assembled with the screw nut 12, the screw connection is fastened, and the movable seat 20 can move back and forth along the longitudinal adjustment direction Y of the adjusting device by rotating the roller screw 3; the two longitudinal linear guide rails 21 are assembled with the movable seat 20 through screw connection, the adjusting seat 22 is assembled with the sliding block of the longitudinal linear guide rail 21 and fastened through screw connection, and the adjusting seat 22 can move left and right along the transverse adjusting direction X of the adjusting device by rotating the adjusting screw 17 in the adjusting seat thrust block 26 on the movable seat 20; the lower margin seat 23 is arranged on the adjusting seat 22, and is connected and fastened by a screw and a T-shaped block 25 through a T-shaped groove, the fine adjustment screw 24 is in threaded connection with the lower margin seat 23, the up-and-down movement of the cross beam A along the vertical adjusting direction Z of the adjusting device can be realized through the adjustment of the fine adjustment screw 24, two sets of lower margin seat 23 and fine adjustment screw 24 assemblies are arranged on the adjusting seat 22, an adjusting seat thrust block 26 is arranged on the movable seat 20, and an adjusting screw 17 and a top block 15 are arranged for fixing the movable seat 20.

The working principle of the utility model is as follows:

As shown in fig. 1-8, the high-precision vertical coordinate boring machine beam assembly and adjustment device is formed by two sets, and when the high-precision vertical coordinate boring beam A is assembled, the two sets are transversely arranged on the vertical coordinate workbench D side by side. The left upright B and the right upright C are respectively assembled with the lathe bed, the central axes of the V-shaped guide rails of the left upright B and the right upright C are coplanar along the transverse X1 of the cross beam A through a process method, the cross beam A to be assembled is supported on the fine adjustment screws 24 of the two sets of adjusting devices to form a four-point supporting mode, the roller screws 3 in the two sets of adjusting devices are respectively rotated according to the precision requirement of the assembling process, and the cross beam can be adjusted to rotate around the position of the vertical rotation direction RZ1, so that the datum plane of the transverse X1 direction of the cross beam A is coplanar and parallel to the central axes of the V-shaped guide rails of the left upright B and the right upright C.

The leveling instrument is placed on the cross beam A, the cross beam A moves up and down along the vertical adjusting direction Z of the adjusting devices by rotating the fine adjusting screws 24 in the two sets of adjusting devices, and the cross beam A and the V-shaped guide rail on one side of the upright post assembly are respectively parallel to the V-shaped guide rail of the left upright post B and the V-shaped guide rail of the right upright post C along the transverse direction RX1 or the longitudinal direction RY1 of the adjusting cross beam by rotating the fine adjusting screws 24.

At this time, a precise measurement sample block of the assembly size space of the roller bearing is placed between the V-shaped guide rail of the cross beam a and the V-shaped guide rail of the right upright post C, the cross beam a is moved forward and backward along the longitudinal adjustment direction Y of the adjustment device by rotating the roller screw 3 on the adjustment device, the cross beam a is moved left and right along the transverse adjustment direction X of the adjustment device by rotating the adjustment screw 17 in the adjustment seat thrust block 26 on the movement seat 20, and finally, the V-shaped guide rails of the cross beam a and the right upright post C are all abutted against the precise measurement sample block of the assembly size space of the roller bearing, thereby obtaining the assembly size space of the roller bearing.

According to the method, the positions of the cross beam A in six directions can be adjusted by using the adjusting device, and the cross beam and the adjusting device move synchronously in the transverse direction and the longitudinal direction, at the moment, the V-shaped guide rail of the left upright B and the V-shaped guide rail of the cross beam A form distances H1 and H2, the left upright B is adjusted according to the values of H1 and H2, the distance between the V-shaped guide rail of the left upright B and the V-shaped guide rail of the cross beam A meets the assembly size and the distance tolerance of the roller bearing, and the H1 = H2 is enabled to meet the assembly requirement of the roller bearing.

The above examples merely illustrate specific embodiments of the application, which are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the technical idea of the application, which fall within the scope of protection of the application.

Claims (10)

1. The high-precision vertical coordinate boring machine beam assembling and adjusting device is characterized by comprising a base (1) fixedly connected with a T-shaped groove screw of a vertical coordinate boring machine workbench, a movable seat (20) and an adjusting seat (22); two transverse linear guide rails (19) are arranged on the base (1), a movable seat (20) is arranged on the base (1) through the linear guide rails (19), two longitudinal linear guide rails (21) are arranged on the movable seat (20), and an adjusting seat (22) is arranged on the movable seat (20) through the longitudinal linear guide rails (21); a screw rod assembly is further arranged between the two transverse linear guide rails (19), and the screw rod assembly is connected with the movable seat (20).

2. The high-precision vertical coordinate boring machine beam assembly adjusting device according to claim 1, wherein the screw assembly comprises a bearing support (2), a roller screw (3) and a screw seat (11), the screw seat (11) and the bearing support (2) are respectively arranged at the left end and the right end of the base (1), one end of the roller screw (3) is arranged in the bearing support (2), and the other end of the roller screw is arranged in the screw seat (11).

3. The high-precision vertical coordinate boring machine beam assembly adjusting device according to claim 1, wherein a screw nut seat (12) is arranged below the moving seat (20), and the screw nut seat (12) is connected with a screw nut on the roller screw (3).

4. The high-precision vertical coordinate boring machine beam assembly adjusting device according to claim 1, wherein sliding blocks are respectively arranged on the transverse linear guide rail (19) and the longitudinal linear guide rail (21), the bottom of the moving seat (20) is fixedly connected with the sliding blocks of the transverse linear guide rail (19) through screws, and the adjusting seat (22) is fixedly connected with the sliding blocks of the longitudinal linear guide rail (21) through screws.

5. The high-precision vertical coordinate boring machine beam assembly adjusting device according to claim 1, wherein two anchor seats (23) are arranged on the adjusting seat (22), two ends of each anchor seat (23) are fixed on the adjusting seat (22) through T-shaped blocks (25) screwed into the adjusting seat (22) by screws, fine adjusting screws (24) are arranged right above the anchor seats (23), and the fine adjusting screws (24) are connected with threaded screw holes of the anchor seats (23).

6. The high-precision vertical coordinate boring machine beam assembly adjusting device according to claim 1 is characterized in that movable seat thrust blocks (16) and limiting blocks (18) are further arranged on two sides of the base (1), the movable seat thrust blocks (16) are arranged on two sides of a movable seat (20), and the limiting blocks (18) are arranged on the outer sides of the two movable seat thrust blocks (16); the two sides of the movable seat are provided with adjusting seat thrust blocks (26), and the adjusting seat thrust blocks (26) are arranged on the two sides of the adjusting seat; the movable seat thrust block (16) and the adjusting seat thrust block (26) are respectively provided with an adjusting screw (17) and a top block (15).

7. The high-precision vertical coordinate boring machine beam assembly adjustment device according to claim 1, wherein the adjustment device comprises two sets of two sets which are arranged on a vertical coordinate boring machine workbench side by side transversely.

8. The high-precision vertical coordinate boring machine beam assembly adjusting device according to claim 2, wherein one end of the roller screw (3) is connected with a bearing support (2) through a screw support bearing (4), a bearing gland (5) is fixed on the outer ring of the bearing support (2) through a spacer ring (6) and a lock nut (7), the spacer ring (6) is in clearance fit with one end of the roller screw (3) and is in plane fit with the inner ring of the screw support bearing (4), the lock nut (7) is in plane fit with the spacer ring (6) and is used for locking each component, the roller screw (3) is assembled and pinned by using a combination sleeve (8), a sleeve (9) and a taper pin (10), the sleeve (8) and one end of the roller screw (3) are in clearance fit, and the taper pin (10) is matched and pinned with the hole surface of the sleeve (9).

9. The high-precision vertical coordinate boring machine beam assembly adjusting device according to claim 8, wherein the other end of the roller screw (3) is connected with the screw seat (11) through a supporting bearing (13), the other end of the roller screw (3) of the supporting bearing (13) is in transition fit with the screw seat (11), and a bearing clamp (14) is arranged in the screw seat (11) and used for blocking the two ends of the outer circle of the supporting bearing (13).

10. The high-precision vertical coordinate boring machine beam assembly adjusting device according to claim 2 is characterized in that the bearing support (2) is fixedly connected with the right end of the base (1) through a cylindrical hexagon head screw.