CN109514278B - Lathe bed butt joint structure and connecting method of ultra-long gantry machining center - Google Patents
Lathe bed butt joint structure and connecting method of ultra-long gantry machining center Download PDFInfo
- Publication number
- CN109514278B CN109514278B CN201910007292.4A CN201910007292A CN109514278B CN 109514278 B CN109514278 B CN 109514278B CN 201910007292 A CN201910007292 A CN 201910007292A CN 109514278 B CN109514278 B CN 109514278B
- Authority
- CN
- China
- Prior art keywords
- lathe bed
- fixed
- adjusting
- bed
- screw sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a lathe bed butt joint structure of an ultra-long gantry machining center. Two sections of adjacent lathes A and B are connected through a fixed connecting device and an adjusting connecting device, the end surfaces of the lathes A and B only need to be rough machined or not machined, the lathes A and B are fixedly connected by the positioning action of a left body and a right body of the fixed connecting device, an upper body of the fixed connecting device is fixed on the left body and the right body, a horizontal adjusting bolt on the upper body is adjusted to lean against the left body and/or the right body, and the relative positions of the lathes A and B in the vertical direction and the horizontal direction are limited and fixed. The adjusting and connecting device plays roles of auxiliary positioning and fixing. After the equipment is transported to a user, the fixed connection device and the adjusting connection device are installed, and the adjusted position and the adjusted precision in the process of in-plant assembly can be restored. The end face finish machining and scraping process of the butt joint lathe bed can be omitted, the machining cost is low, the production period is short, and the factory precision is restored rapidly. The invention also provides a connecting method using the lathe bed butt joint structure.
Description
Technical Field
The invention relates to a gantry machining center, in particular to a lathe bed structure of the gantry machining center, and belongs to the technical field of metal cutting equipment.
Background
In the machining equipment industry, machining of workpieces with large lengths needs to be performed on a planer machining center or planer milling machine, and a machine body is an important component part of a machine tool and is a key bearing part. Very long gantry machining centers are required for machining very long parts, and very long lathes are certainly required. However, due to the limitations of the manufacturing process and the transportation turnover, the machine tool parts cannot be made to reach a long size. The practical practice is to split and then dock the ultra-long gantry machining center lathe bed.
The purpose of butt joint is to use the split multistage lathe bed after the processing of section by section together with bolt fixed connection, forms a whole lathe bed after, when reaching required length dimension, still need keep higher precision.
The existing butt joint mode is to precisely process a plurality of sections of machine tools to be butted, the end surfaces of the sections of machine tools are in contact fit with each other, the end surfaces are connected by bolts, and after the connection and fixation, a joint pin is driven into a joint gap to obtain and maintain a certain precision. However, the problems caused thereby are: the two end surfaces of each section of the butted lathe bed need to be precisely machined, the requirement is very high, and after the precise machining is carried out, some bench workers even need to carry out scraping operation, so that the precision requirements of straightness, perpendicularity and the like can be met. For cast iron beds, the scraping can be performed but the work is heavy. In the case of a welded bed of steel sheet, scraping is difficult and hardly performed.
Some oversized workpieces exist in the existing machined parts, such as large-sized numerical control gantry machining centers in numerical control drill production lines designed and developed for boundary beams of motor train units in China, the length of the machine body of the large-sized numerical control gantry machining centers reaches 28 meters, and high-quality steel plates are adopted for welding.
For this reason, it is necessary to develop a bed butt joint structure for providing an ultra-long gantry machining center which can eliminate the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the lathe bed butt joint structure of the ultra-long gantry machining center, which has the advantages of simple process, low machining difficulty, short production period, low cost, simple and convenient butt joint implementation of each section of lathe bed, reliable fixed connection and rapid recovery of factory precision.
The invention also provides a method for connecting the multi-section lathe beds by utilizing the lathe bed butt joint structure.
The technical scheme adopted by the invention for achieving the purpose is as follows:
the utility model provides a lathe bed butt joint structure of overlength longmen machining center, includes two at least sections adjacent lathe beds A and lathe bed B, its characterized in that: the lathe bed A and the lathe bed B are connected through a fixed connecting device.
In the lathe bed butt joint structure of the ultra-long gantry machining center, an adjusting and connecting device is further arranged between the lathe bed A and the lathe bed B.
In the lathe bed butt joint structure of the ultra-long gantry machining center, the fixed connection device is arranged on the side surface of one end of the lathe bed A and one end of the lathe bed B, which are opposite to each other.
In the lathe bed butt joint structure of the ultra-long gantry machining center, the adjusting and connecting device is arranged on an upper plane of one end of the lathe bed A and one end of the lathe bed B, which are opposite to each other.
In the lathe bed butt joint structure of the ultra-long gantry machining center, for convenience in connection, side connection surfaces are arranged on the side surfaces of one ends of the lathe bed A and the lathe bed B, which are opposite to each other, and the fixed connection device is arranged on the side connection surfaces.
In the lathe bed butt joint structure of the ultra-long gantry machining center, for convenience in connection, an upper connecting surface is arranged on an upper plane of one end of the lathe bed A and one end of the lathe bed B, which are opposite to each other, and the adjusting and connecting device is arranged on the upper connecting surface.
Further, two sets of fixed connection devices are arranged at one end of the lathe bed A and the lathe bed B, wherein the end of the lathe bed A and the lathe bed B is opposite to each other, and the fixed connection devices comprise a front fixed connection device arranged on the front side surface of one end of the lathe bed A and the lathe bed B opposite to each other and a rear fixed connection device arranged on the rear side surface of one end of the lathe bed A and the lathe bed B opposite to each other; the front fixed connection device comprises:
a front side connecting surface arranged on the front side surface of one end of the machine body A and the machine body B opposite to each other,
the left body is connected to the front side connecting surface of the lathe bed A through a left body fixing screw,
the right body is connected to the front side connecting surface of the lathe bed B through a right body fixing screw,
a connecting screw for connecting the left body and the right body into a whole,
the upper body is connected with the left body and the right body through vertical fixing screws,
a horizontal adjusting bolt which is connected with the upper body in a threaded way, the front end of the horizontal adjusting bolt is propped against the left body or the right body,
the horizontal locking screw passes through a through hole arranged on the upper body and is connected with the left body or the right body through threads,
the left body positioning pin is connected between the left body and the lathe bed A,
the right body positioning pin is connected between the right body and the lathe bed B;
the rear fixed connecting device and the front fixed connecting device have the same structure and are symmetrically arranged front and back.
Further, the adjusting and connecting device comprises:
the left connecting block is connected to the upper connecting surface of the lathe bed A through a left connecting block fixing screw,
the right connecting block is connected to the upper connecting surface of the lathe bed B through a right connecting block fixing screw,
the left adjusting screw sleeve is connected with the left connecting block through threads,
the right adjusting screw sleeve is connected with the right connecting block through threads,
the left locking nut is connected with the left locking screw sleeve in a threaded manner,
the right locking nut is connected with the right locking screw sleeve in a threaded manner,
the connecting bolt passes through the left adjusting screw sleeve and the right adjusting screw sleeve and then is connected with the locking nut of the connecting bolt.
The invention also provides a connection method of the lathe bed butt joint structure of the ultra-long gantry machining center, which comprises the following steps:
a) A horizontal installation base surface and a vertical installation base surface of a guide rail for X-axis movement of a machine tool are pre-processed on a machine tool A and a machine tool B which need to be in butt joint, and a side connection surface and an upper connection surface for connecting the machine tool A and the machine tool B are further processed;
b) An in-plant assembly stage;
assuming that the right end face of the lathe bed A and the left end face of the lathe bed B are required to be in butt joint, horizontally placing the lathe bed A and the lathe bed B, and enabling the right end face of the lathe bed A and the left end face of the lathe bed B to be close to each other and placed opposite to each other;
c) The distance between the lathe bed A and the lathe bed B is adjusted, and a certain gap is reserved between the right end face of the lathe bed A and the left end face of the lathe bed B; the lathe bed A and the lathe bed B are adjusted, so that the parallelism and the straightness of the horizontal installation base surface and the vertical installation base surface of the guide rails of the lathe bed A and the lathe bed B meet the precision requirement, namely, the upper bus and the side bus of the lathe bed are adjusted in place;
d) The left body and the right body of the fixed connecting device are connected into a whole by connecting screws, and the upper parts of the left body and the right body are kept flush and coplanar with the plane connected with the upper body;
e) The front sides of the bed body A and the bed body B are provided with a fixed connecting device:
screw holes are formed in the front side connecting surfaces of the front sides of the machine tool body A and the machine tool body B, a left body is fixed on the front side connecting surface of the machine tool body A by a left body fixing screw, and a right body is fixed on the front side connecting surface of the machine tool body B by a right body fixing screw;
fixing the upper body on the left body and the right body by using vertical fixing screws;
the horizontal adjusting bolt on the upper body is adjusted to enable the front end of the horizontal adjusting bolt to prop against the left body or the right body, and then the horizontal adjusting bolt is locked and fixed by the locking nut; then the upper body is fixed on the left body or the right body by a horizontal locking screw;
the connecting surface of the front side part of the left body and the lathe bed A is provided with a pin hole, and the left body and the lathe bed A are connected and fixed by a left body positioning pin, so that the relative positions of the left body and the lathe bed A are accurately positioned; the connecting surface of the front side part of the right body and the lathe bed B is provided with a pin hole, and the right body and the lathe bed B are connected and fixed by a right body positioning pin, so that the relative positions of the right body and the lathe bed B are accurately positioned;
f) In the same step e), a set of fixed connecting devices are also arranged on the rear sides of the bed body A and the bed body B;
g) A left adjusting screw sleeve is screwed into a left connecting block of the adjusting connecting device, and a right adjusting screw sleeve is screwed into a right connecting block; the left adjusting screw sleeve and the right adjusting screw sleeve are respectively connected with a left locking nut and a right locking nut; the connecting bolt penetrates through the left adjusting screw sleeve and the right adjusting screw sleeve and is connected with the connecting bolt locking nut, so that the right end of the left adjusting screw sleeve and the left end of the right adjusting screw sleeve are propped against each other;
h) The upper parts of the bed body A and the bed body B are provided with an adjusting and connecting device:
the distance between the left connecting block and the right connecting block is adjusted by adjusting the left adjusting screw sleeve and the right adjusting screw sleeve, so that the left connecting block and the right connecting block respectively correspond to the upper connecting surfaces on the lathe bed A and the lathe bed B,
the upper connecting surfaces of the machine tool body A and the machine tool body B are provided with screw holes, a left connecting block is fixed on the upper connecting surface of the machine tool body A by a left connecting block fixing screw, and a right connecting block is fixed on the upper connecting surface of the machine tool body B by a right connecting block fixing screw;
the left adjusting screw sleeve and the right adjusting screw sleeve are adjusted, so that the end surfaces of the left adjusting screw sleeve and the right adjusting screw sleeve are propped against each other, the position of the left adjusting screw sleeve is locked and fixed by a left locking nut, and the position of the right adjusting screw sleeve is locked and fixed by a right locking nut;
the connecting bolt is locked and fixed by a connecting bolt lock nut to connect the whole set of adjusting and connecting device in series;
i) Before the equipment leaves the factory and is transported, the equipment is disassembled and assembled;
firstly, disassembling a connecting bolt of the adjusting and connecting device; then the vertical fixing screw and the horizontal locking screw on the upper body of the fixed connecting device are removed, the upper body is removed, and marks are made; the connecting screw for connecting the left body and the right body is detached, and the lathe bed A and the lathe bed B can be detached;
j) After the equipment is transported to the installation position of the user, the on-site assembly stage is carried out;
placing the lathe bed A and the lathe bed B horizontally, and placing the right end face of the lathe bed A and the left end face of the lathe bed B close to each other and opposite to each other;
the distance between the lathe bed A and the lathe bed B is adjusted to enable the left body and the right body of the front fixed connecting device to be close, and the left body and the right body are connected into a whole through connecting screws; selecting an upper body according to the marks, and fixing the upper body on a left body and a right body by using a vertical fixing screw and a horizontal locking screw;
repeating the steps, and connecting the rear fixed connecting devices at the rear sides of the bed body A and the bed body B;
after the connecting bolt passes through the left adjusting screw sleeve and the right adjusting screw sleeve, the whole set of adjusting connecting device is connected in series and locked and fixed by using a connecting bolt locking nut;
therefore, the lathe bed A and the lathe bed B are fixedly locked together through the fixed connecting device and the adjusting connecting device, and the adjusted position and the adjusted precision during the in-factory assembly are restored.
The invention has the beneficial effects that:
in the invention, the end surfaces of the two sections of the lathe beds A and B which are needed to be butted only need to be rough machined or not machined, the gap between the lathe beds A and B, namely the horizontal distance between the lathe beds is fixedly connected by the positioning action of the left body and the right body, the lathe beds A and B do not have necessary contact, and a proper gap can be reserved between the right end surface of the lathe bed A and the left end surface of the lathe bed B; the top surfaces of the left body and the right body are coplanar with the lower bottom surface of the upper body respectively, and after the upper body is fixed on the left body and the right body, the relative positions of the lathe bed A and the lathe bed B in the vertical direction are limited and fixed due to the fixing effect of the upper body. After the horizontal adjusting bolt on the upper body is adjusted to lean against the left body and/or the right body, the left body, the right body and the lathe bed are fixedly connected, and the relative positions of the lathe bed A and the lathe bed B in the horizontal direction are also limited and fixed. And then the lathe bed A and the lathe bed B are reliably fixed in the horizontal and vertical directions by adjusting the locking and fixing of the connecting device. The adjusting connecting device is provided with an adjusting screw sleeve, and the adjusting connecting device can adapt to the clearance between the lathe bed A and the lathe bed B through the adjusting function of the adjusting screw sleeve and is matched with the fixed connecting device to reliably lock and fix the lathe bed A and the lathe bed B.
After the equipment is debugged, the equipment is disassembled and assembled before being transported to a user. And (3) removing the connecting bolt of the adjusting and connecting device, removing the upper body of the fixed connecting device, marking in time, and finally removing the connecting screw for connecting the left body and the right body, so that the lathe bed A and the lathe bed B can be disassembled. After the equipment is transported in place, the fixed connecting device and the adjusting connecting device are installed, the lathe bed A and the lathe bed B are fixedly locked together through the fixed connecting device and the adjusting connecting device, and the adjusted position and the adjusted precision during the in-plant assembly are restored.
In summary, the technical scheme of the invention can omit the end face precision machining and scraping process of the butt-joint lathe bed, reduce the machining difficulty, greatly reduce the machining cost and shorten the production period, and the lathe bed has simple and convenient butt-joint implementation, simple process, reliable fixation and rapid recovery of delivery precision. Proved by experiments, the effect is remarkable.
Drawings
Fig. 1 is a schematic diagram of a bed a and a bed B according to the present invention.
Fig. 2, 3 and 4 are schematic diagrams of the present invention, in which the bed a and the bed B are connected together by a fixing connection device and an adjusting connection device.
Fig. 5 is a schematic installation view of the fixing and adjusting connection device of the present invention.
Fig. 6 is an end portion axial schematic view of a machine tool body to be butted according to the present invention.
Fig. 7 is a schematic front view of an end of a machine tool to be docked according to the present invention.
Fig. 8 is a P-direction view in fig. 7.
Fig. 9 is a view in the direction K of fig. 7.
Fig. 10 is an M-direction view in fig. 7.
Fig. 11 and 12 are schematic views of the fixing and connecting device in the present invention.
Fig. 13 is a schematic front view of the fixing and connecting device in the present invention.
Fig. 14 is a schematic left-hand view of the fixing and connecting device of the present invention.
Fig. 15 is a right side view of the fixing and connecting device of the present invention.
Fig. 16 is a schematic top view of the fixing and connecting device of the present invention.
Fig. 17 is a sectional view A-A in fig. 13.
Fig. 18 is a schematic view of an adjustment connection device in the present invention.
Fig. 19 is a schematic front view of the adjusting and connecting device in the present invention.
Fig. 20 is a schematic top view of the adjusting and connecting device of the present invention.
Fig. 21 is a B-B sectional view of fig. 20.
In the figure: 1-bed A, 2-bed B;
3-fixed connection device, 31-left body, 311-left body fixing screw, 312-left body positioning pin, 32-right body, 321-right body fixing screw, 322-right body positioning pin; 33-upper body, 331-vertical fixing screw, 332-horizontal adjusting bolt, 333-horizontal adjusting bolt locking nut, 334-horizontal locking screw; 34-connecting screws;
4-adjusting connecting device, 41-left connecting block, 411-left connecting block fixing screw, 412-left adjusting screw sleeve, 413-left locking nut, 42-right connecting block, 421-right connecting block fixing screw, 422-right adjusting screw sleeve, 423-right locking nut, 43-connecting bolt and 44-connecting bolt locking nut;
5-front side connection face, 6-rear side connection face, 7-upper connection face.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be further described below by way of non-limiting examples with reference to the accompanying drawings.
The front, rear, left and right directions of the present invention are described in terms of the front, rear, left and right directions shown in the drawings. For convenience of explanation, only portions relevant to the embodiments of the present invention are shown.
Embodiment one:
the machine body of the ultra-long gantry machining center is formed by butt joint of multiple sections of machine bodies, and the embodiment only describes two sections of adjacent machine bodies A and B in detail.
Referring to fig. 1 to 5, a lathe bed butt joint structure of an ultra-long gantry machining center comprises at least two sections of adjacent lathe beds A1 and B2, wherein the lathe beds A1 and B2 are connected through a fixed connecting device 3 and an adjusting connecting device 4. The fixed connection device 3 is arranged on the side surface of one end of the lathe bed A1 and the lathe bed B2 opposite to each other; the adjustment connection means 4 is provided on an upper plane of one end of the bed A1 and the bed B2 opposite to each other.
Referring to fig. 6 to 10, for convenience of connection, side connection surfaces are machined in advance on the side surfaces of the opposite ends of the bed A1 and the bed B2, and the fixing connection device 3 is arranged on the side connection surfaces; similarly, the upper connecting surface 7 is machined in advance on the upper plane of the opposite end of the bed A1 and the bed B2, and the adjusting and connecting device 4 is arranged on the upper connecting surface 7.
In order to improve the connection strength and the positioning accuracy, two sets of fixed connection devices 3 are arranged at the opposite ends of the bed body A1 and the bed body B2, each fixed connection device comprises a front fixed connection device arranged on the front side surface of the opposite end of the bed body A1 and the bed body B2 and a rear fixed connection device arranged on the rear side surface of the opposite end of the bed body A1 and the bed body B2, and a front side connection surface 5 and a rear side connection surface 6 are respectively machined in advance on the side surfaces of the opposite ends of the bed body A1 and the bed body B2;
referring to fig. 11 to 17, the front fixing and connecting device includes:
a front side connecting surface 5 provided on a front side surface of one end of the bed A1 and the bed B2 opposite to each other,
the left body 31, which is composed of a left body rear vertical plate, a right vertical plate and a left body upper flat plate, wherein the horizontal section and the longitudinal section of the left body 31 are L-shaped, the left body rear vertical plate is provided with a first through hole, a left body fixing screw 311 passes through the first through hole to be connected with a matched screw hole on the front side part connecting surface 5 of the lathe bed A1, the left body 31 is fixed on the lathe bed A1,
the right body 32, which is composed of a right body rear vertical plate, a left vertical plate and a right body upper plate, wherein the left vertical plate and the right vertical plate on the left body 31 are arranged correspondingly, the horizontal section and the longitudinal section of the right body 32 are L-shaped, the right body rear vertical plate is provided with a second through hole, a right body fixing screw 321 passes through the second through hole to be connected with a matched screw hole on the front side connecting surface 5 of the lathe bed B2, the right body 32 is fixed on the lathe bed B2,
the connecting screw 34 connects the left body 31 and the right body 32 into a whole, the concrete connecting method is that a transverse threaded hole is arranged on a right vertical plate of the left body 31, a transverse through hole is correspondingly arranged on a left vertical plate of the right body 32, the connecting screw 34 penetrates through the transverse through hole to be connected with the transverse threaded hole, the left body 31 and the right body 32 are fixed together,
the upper body 33, which is composed of an upper flat plate and a front vertical plate, the longitudinal section of the upper body 33 is in an inverted L shape, the upper flat plate is provided with a longitudinal through hole, the left upper flat plate and the right upper flat plate are correspondingly provided with longitudinal threaded holes, the vertical fixing screw 331 penetrates through the longitudinal through hole to be connected with the longitudinal threaded holes, the upper body 33 is fixed on the left body 31 and the right body 32,
the horizontal adjusting bolt 332 is connected with the horizontal threaded hole arranged on the front vertical plate of the upper body in a threaded way, the front end is propped against the left upper flat plate or the right upper flat plate, then is locked and fixed by the horizontal adjusting bolt locking nut 333,
the horizontal locking screw 334 is screwed into a threaded hole formed in the left body upper plate or the right body upper plate through a through hole formed in the upper body 33,
the left body positioning pin 312 is connected between the left body 31 and the lathe bed A1, and the specific connection method is that a pin hole is arranged on the connecting surface 5 of the front side part of the lathe bed A1 on the rear vertical plate of the left body, and the left body 31 and the lathe bed A1 are connected and fixed by the left body positioning pin 312, so that the relative positions of the left body 31 and the lathe bed A1 are accurately positioned;
a right body positioning pin 322 connected between the right body 32 and the bed B2; the concrete connection method is that a pin hole is arranged on the connection surface 5 of the front side part of the lathe bed B2 and on the rear vertical plate of the right body, and the right body 32 and the lathe bed B2 are connected and fixed by a right body positioning pin 322, so that the relative position of the right body 32 and the lathe bed B2 is accurately positioned; in the embodiment, the left body positioning pin 312 and the right body positioning pin 322 are taper pins;
the rear fixed connecting device and the front fixed connecting device have the same structure, are arranged in a front-back symmetrical way and are not described in detail.
The adjusting and connecting device 4 can be provided with one set or two or more sets, 2 sets are adopted in this embodiment, and each set of adjusting and connecting device 4 comprises:
the left connecting block 41 is provided with vertical through holes at two ends and a horizontal threaded hole in the middle, a left connecting block fixing screw 411 passes through the vertical through holes to be connected to the upper connecting surface 7 of the lathe bed A1, the left connecting block 41 is fixed on the lathe bed A1,
the right connecting block 42 is provided with vertical through holes at two ends and a horizontal threaded hole in the middle, a right connecting block fixing screw 421 passes through the vertical through holes to be connected to the upper connecting surface 7 of the lathe bed B2, the right connecting block 42 is fixed on the lathe bed B2,
left adjusting screw 412, screwed on the horizontal screw hole on left connecting block 41,
a right adjustment screw 422, which is screwed to a horizontal screw hole on the right connection block 42,
a left locking nut 413, which is screwed on the right end of the left locking screw sleeve,
a right locking nut 423 which is connected with the left end of the right locking screw sleeve in a threaded way,
the connecting bolt 43 passes through the left adjusting screw sleeve 412 and the right adjusting screw sleeve 422 and then is connected with the connecting bolt locking nut 44.
Embodiment two:
a connection method of a lathe bed butt joint structure of an ultra-long gantry machining center comprises the following steps:
a) The horizontal installation base surface and the vertical installation base surface of the linear guide rail for the X-axis motion of the machine tool are pre-processed on the machine tool body A1 and the machine tool body B2 which are required to be in butt joint, and the side connection surface and the upper connection surface 7 for connecting the machine tool body A1 and the machine tool body B2 are further processed, and the end surfaces of the machine tool body A1 and the machine tool body B2 are only subjected to rough machining or not processed;
b) An in-plant assembly stage;
assuming that the right end face of the lathe bed A1 and the left end face of the lathe bed B2 are required to be in butt joint, horizontally placing the lathe bed A1 and the lathe bed B2, and enabling the right end face of the lathe bed A1 and the left end face of the lathe bed B2 to be close and opposite to each other;
c) Adjusting the distance between the lathe bed A1 and the lathe bed B2, and allowing a certain gap to be reserved between the right end face of the lathe bed A1 and the left end face of the lathe bed B2; the method comprises the steps of adjusting a lathe bed A1 and a lathe bed B2 by using equipment such as a special tool, a level gauge, a steel wire microscope and the like and utilizing a foundation screw and a side push-pull device of the lathe bed, so that the parallelism and straightness of a horizontal installation base surface and a vertical installation base surface of the lathe bed A1 and the lathe bed B2 meet the requirements, namely adjusting a bus and a side bus on the lathe bed in place;
d) The left body 31 and the right body 32 of the fixed connecting device 3 are connected into a whole by a connecting screw 34, and the upper parts of the left body 31 and the right body 32 are kept flush and coplanar with the plane connected with the upper body 33;
e) The front sides of the bed body A1 and the bed body B2 are provided with a fixed connecting device 3:
screw holes are formed in the front side connecting surface 5 of the front sides of the bed A1 and the bed B2, the left body 31 is fixed to the front side connecting surface 5 of the bed A1 by the left body fixing screw 311, and the right body 32 is fixed to the front side connecting surface 5 of the bed B2 by the right body fixing screw 321;
the upper body 33 is fixed to the left body 31 and the right body 32 by vertical fixing screws 331;
adjusting the horizontal adjusting bolt 332 on the upper body 33, enabling the front end of the horizontal adjusting bolt 332 corresponding to the left body 31 to prop against the left body 31, enabling the front end of the horizontal adjusting bolt 332 corresponding to the right body 32 to prop against the right body 32, locking and fixing by using the horizontal adjusting bolt locking nut 333, and fixing the horizontal locking screw 334 on the upper body 33 on the left body 31 or the right body 32;
a pin hole is arranged on the front side connecting surface 5 of the left body 31 and the lathe bed A1, and the left body 31 and the lathe bed A1 are connected and fixed by a left body positioning pin 312, so that the relative positions of the left body 31 and the lathe bed A1 are accurately positioned; a pin hole is arranged on the front side connecting surface 5 of the right body 32 and the lathe bed B2, and the right body 32 and the lathe bed B2 are connected and fixed by a right body positioning pin 322, so that the relative positions of the right body 32 and the lathe bed B2 are accurately positioned;
f) In the same step e), a set of fixed connecting devices 3 are also arranged on the rear sides of the machine tool body A1 and the machine tool body B2;
g) A left adjusting screw sleeve 412 is screwed on the left connecting block 41 of the adjusting and connecting device 4, and a right adjusting screw sleeve 422 is screwed on the right connecting block 42; the left adjusting screw sleeve 412 and the right adjusting screw sleeve 422 are respectively connected with a left locking nut 413 and a right locking nut 423; the connecting bolt 43 passes through the left adjusting screw sleeve 412 and the right adjusting screw sleeve 422 and is connected with the connecting bolt locking nut 44, so that the right end of the left adjusting screw sleeve 412 and the left end of the right adjusting screw sleeve 422 are propped together;
h) The adjusting and connecting device 4 is arranged at the upper parts of the bed body A1 and the bed body B2:
by adjusting the left adjusting screw sleeve 412 and the right adjusting screw sleeve 422, the distance between the left connecting block 41 and the right connecting block 42 is adjusted, so that the left connecting block 41 and the right connecting block 42 correspond to the upper connecting surfaces 7 on the bed A1 and the bed B2 respectively,
screw holes are formed in the upper connecting surfaces 7 of the machine tool body A1 and the machine tool body B2, the left connecting block 41 is fixed to the upper connecting surface 7 of the machine tool body A1 by a left connecting block fixing screw 411, and the right connecting block 42 is fixed to the upper connecting surface 7 of the machine tool body B2 by a right connecting block fixing screw 421;
the left adjusting screw sleeve 412 and the right adjusting screw sleeve 422 are adjusted, so that the end surfaces of the left adjusting screw sleeve 412 and the right adjusting screw sleeve 422 are propped against each other, the position of the left adjusting screw sleeve 412 is locked and fixed by a left locking nut 413, and the position of the right adjusting screw sleeve 422 is locked and fixed by a right locking nut 423;
the connecting bolt 43 is used for connecting the whole set of adjusting and connecting device 4 in series by a connecting bolt locking nut 44;
i) Before the equipment leaves the factory and is transported, the equipment is disassembled and assembled;
firstly, the connecting bolt 43 of the adjusting and connecting device 4 is detached; then the vertical fixing screw 331 and the horizontal locking screw 334 on the upper body 33 of the fixed connecting device 3 are removed, the upper body 33 is removed, and marks are made; the connecting screw 34 for connecting the left body 31 and the right body 32 is detached, and the lathe bed A1 and the lathe bed B2 can be detached; the purpose of marking is to facilitate the equipment to be transported to a user for field assembly, and two sets of fixed connecting devices 3 are connected with the lathe bed A1 and the lathe bed B2, namely, two upper bodies 33 are arranged, corresponding marks are required to be made on each upper body 33 and the front side surface or the rear side surface of the lathe bed A1 and the lathe bed B2 corresponding to the upper bodies 33, so that confusion is prevented, and the connection is convenient;
j) After the equipment is transported to the installation position of the user, the on-site assembly stage is carried out;
placing the lathe bed A1 and the lathe bed B2 horizontally, and placing the right end face of the lathe bed A1 and the left end face of the lathe bed B2 close to each other and opposite to each other;
the distance between the lathe bed A1 and the lathe bed B2 is adjusted, the left body 31 and the right body 32 of the front fixed connecting device are abutted, and the left body 31 and the right body 32 are connected into a whole by using a connecting screw 34; the upper body 33 is selected according to the marks, and the upper body 33 is fixed on the corresponding left body 31 and right body 32 by using a vertical fixing screw 331 and a horizontal locking screw 334;
repeating the steps, and connecting the rear fixed connecting devices at the rear sides of the bed body A1 and the bed body B2;
after the connecting bolt 43 passes through the left adjusting screw sleeve 412 and the right adjusting screw sleeve 422, the whole set of adjusting connecting device 4 is connected in series and locked and fixed by the connecting bolt locking nut 44;
thus, the bed A1 and the bed B2 are fixedly locked together through the fixed connecting device 3 and the adjusting connecting device 4, and the adjusted position and the adjusted precision during the assembly in the factory are restored.
In describing the present invention, it should be noted that the terms "left", "right", "front", "rear", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and the above terms are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Other than the technical features described in the specification, all are known to those skilled in the art.
The above-mentioned embodiments are only for understanding the present invention, and are not intended to limit the technical solutions described in the present invention, and a person skilled in the relevant art may make various changes or modifications based on the technical solutions described in the claims, and all equivalent changes or modifications are intended to be included in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a lathe bed butt joint structure of overlength longmen machining center, includes two at least sections adjacent lathe beds A and lathe bed B, its characterized in that: the lathe bed A and the lathe bed B are connected through a fixed connecting device;
an adjusting and connecting device is arranged between the lathe bed A and the lathe bed B;
the adjusting and connecting device is arranged on the upper plane of one end of the lathe bed A and one end of the lathe bed B, which are opposite to each other;
the upper plane of one end of the lathe bed A and one end of the lathe bed B, which are opposite to each other, are provided with an upper connecting surface, and the adjusting and connecting device is arranged on the upper connecting surface;
the adjusting and connecting device comprises:
the left connecting block is connected to the upper connecting surface of the lathe bed A through a left connecting block fixing screw,
the right connecting block is connected to the upper connecting surface of the lathe bed B through a right connecting block fixing screw,
the left adjusting screw sleeve is connected with the left connecting block through threads,
the right adjusting screw sleeve is connected with the right connecting block through threads,
the left locking nut is connected with the left locking screw sleeve in a threaded manner,
the right locking nut is connected with the right locking screw sleeve in a threaded manner,
the connecting bolt passes through the left adjusting screw sleeve and the right adjusting screw sleeve and is connected with the locking nut of the connecting bolt;
the fixed connecting device is arranged on the side surface of one end of the lathe bed A and one end of the lathe bed B, which are opposite to each other.
2. The bed butt joint structure of an ultra-long gantry machining center according to claim 1, wherein: the side surfaces of one ends of the machine body A and the machine body B, which are opposite to each other, are respectively provided with a side connecting surface, and the fixed connecting device is arranged on the side connecting surfaces.
3. The bed butt joint structure of an ultra-long gantry machining center according to claim 2, wherein: two sets of fixed connection devices are arranged at one end of the lathe bed A and one end of the lathe bed B, wherein the two sets of fixed connection devices are arranged at the front side surface of the one end of the lathe bed A and the one end of the lathe bed B, and the front fixed connection device is arranged at the rear side surface of the one end of the lathe bed A and the one end of the lathe bed B; the front fixed connection device comprises:
a front side connecting surface arranged on the front side surface of one end of the machine body A and the machine body B opposite to each other,
the left body is connected to the front side connecting surface of the lathe bed A through a left body fixing screw,
the right body is connected to the front side connecting surface of the lathe bed B through a right body fixing screw,
a connecting screw for connecting the left body and the right body into a whole,
the upper body is connected with the left body and the right body through vertical fixing screws,
a horizontal adjusting bolt which is connected with the upper body in a threaded way, the front end of the horizontal adjusting bolt is propped against the left body or the right body,
the horizontal locking screw passes through a through hole arranged on the upper body and is connected with the left body or the right body through threads,
the left body positioning pin is connected between the left body and the lathe bed A,
the right body positioning pin is connected between the right body and the lathe bed B;
the rear fixed connecting device and the front fixed connecting device have the same structure and are symmetrically arranged front and back.
4. A method for connecting a lathe bed butt joint structure of an ultra-long gantry machining center by using the method for connecting a lathe bed butt joint structure of an ultra-long gantry machining center according to any one of claims 1 to 3, which is characterized in that: the method comprises the following steps:
a) A horizontal installation base surface and a vertical installation base surface of a guide rail for X-axis movement of a machine tool are pre-processed on a machine tool A and a machine tool B which need to be in butt joint, and a side connection surface and an upper connection surface for connecting the machine tool A and the machine tool B are further processed;
b) An in-plant assembly stage;
assuming that the right end face of the lathe bed A and the left end face of the lathe bed B are required to be in butt joint, horizontally placing the lathe bed A and the lathe bed B, and enabling the right end face of the lathe bed A and the left end face of the lathe bed B to be close to each other and placed opposite to each other;
c) Adjusting the distance between the lathe bed A and the lathe bed B, and allowing a gap to be reserved between the right end face of the lathe bed A and the left end face of the lathe bed B; the lathe bed A and the lathe bed B are adjusted, so that the parallelism and the straightness of the horizontal installation base surface and the vertical installation base surface of the guide rails of the lathe bed A and the lathe bed B meet the precision requirement, namely, the upper bus and the side bus of the lathe bed are adjusted in place;
d) The left body and the right body of the fixed connecting device are connected into a whole by connecting screws, and the upper parts of the left body and the right body are kept flush and coplanar with the plane connected with the upper body;
e) The front sides of the bed body A and the bed body B are provided with a fixed connecting device:
screw holes are formed in the front side connecting surfaces of the front sides of the machine tool body A and the machine tool body B, a left body is fixed on the front side connecting surface of the machine tool body A by a left body fixing screw, and a right body is fixed on the front side connecting surface of the machine tool body B by a right body fixing screw;
fixing the upper body on the left body and the right body by using vertical fixing screws;
the horizontal adjusting bolt on the upper body is adjusted to enable the front end of the horizontal adjusting bolt to prop against the left body or the right body, and then the horizontal adjusting bolt is locked and fixed by the locking nut; then the upper body is fixed on the left body or the right body by a horizontal locking screw;
the connecting surface of the front side part of the left body and the lathe bed A is provided with a pin hole, and the left body and the lathe bed A are connected and fixed by a left body positioning pin, so that the relative positions of the left body and the lathe bed A are accurately positioned; the connecting surface of the front side part of the right body and the lathe bed B is provided with a pin hole, and the right body and the lathe bed B are connected and fixed by a right body positioning pin, so that the relative positions of the right body and the lathe bed B are accurately positioned;
f) In the same step e), a set of fixed connecting devices are also arranged on the rear sides of the bed body A and the bed body B;
g) A left adjusting screw sleeve is screwed into a left connecting block of the adjusting connecting device, and a right adjusting screw sleeve is screwed into a right connecting block; the left adjusting screw sleeve and the right adjusting screw sleeve are respectively connected with a left locking nut and a right locking nut; the connecting bolt penetrates through the left adjusting screw sleeve and the right adjusting screw sleeve and is connected with the connecting bolt locking nut, so that the right end of the left adjusting screw sleeve and the left end of the right adjusting screw sleeve are propped against each other;
h) The upper parts of the bed body A and the bed body B are provided with an adjusting and connecting device:
the distance between the left connecting block and the right connecting block is adjusted by adjusting the left adjusting screw sleeve and the right adjusting screw sleeve, so that the left connecting block and the right connecting block respectively correspond to the upper connecting surfaces on the lathe bed A and the lathe bed B,
the upper connecting surfaces of the machine tool body A and the machine tool body B are provided with screw holes, a left connecting block is fixed on the upper connecting surface of the machine tool body A by a left connecting block fixing screw, and a right connecting block is fixed on the upper connecting surface of the machine tool body B by a right connecting block fixing screw;
the left adjusting screw sleeve and the right adjusting screw sleeve are adjusted, so that the end surfaces of the left adjusting screw sleeve and the right adjusting screw sleeve are propped against each other, the position of the left adjusting screw sleeve is locked and fixed by a left locking nut, and the position of the right adjusting screw sleeve is locked and fixed by a right locking nut;
the connecting bolt is locked and fixed by a connecting bolt lock nut to connect the whole set of adjusting and connecting device in series;
i) Before the equipment leaves the factory and is transported, the equipment is disassembled and assembled;
firstly, disassembling a connecting bolt of the adjusting and connecting device; then the vertical fixing screw and the horizontal locking screw on the upper body of the fixed connecting device are removed, the upper body is removed, and marks are made; the connecting screw for connecting the left body and the right body is detached, and the lathe bed A and the lathe bed B can be detached;
j) After the equipment is transported to the installation position of the user, the on-site assembly stage is carried out;
placing the lathe bed A and the lathe bed B horizontally, and placing the right end face of the lathe bed A and the left end face of the lathe bed B close to each other and opposite to each other;
the distance between the lathe bed A and the lathe bed B is adjusted to enable the left body and the right body of the front fixed connecting device to be close, and the left body and the right body are connected into a whole through connecting screws; selecting an upper body according to the marks, and fixing the upper body on a left body and a right body by using a vertical fixing screw and a horizontal locking screw;
repeating the steps, and connecting the rear fixed connecting devices at the rear sides of the bed body A and the bed body B;
after the connecting bolt passes through the left adjusting screw sleeve and the right adjusting screw sleeve, the whole set of adjusting connecting device is connected in series and locked and fixed by using a connecting bolt locking nut;
therefore, the lathe bed A and the lathe bed B are fixedly locked together through the fixed connecting device and the adjusting connecting device, and the adjusted position and the adjusted precision during the in-factory assembly are restored.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018116328565 | 2018-12-29 | ||
| CN201811632856 | 2018-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109514278A CN109514278A (en) | 2019-03-26 |
| CN109514278B true CN109514278B (en) | 2023-07-28 |
Family
ID=65797999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910007292.4A Active CN109514278B (en) | 2018-12-29 | 2019-01-04 | Lathe bed butt joint structure and connecting method of ultra-long gantry machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109514278B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701156A (en) * | 2019-09-26 | 2020-01-17 | 刘飞 | Leveling method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014061563A (en) * | 2012-09-20 | 2014-04-10 | Komatsu Ntc Ltd | Installation structure of machine tool |
| CN203665094U (en) * | 2013-12-24 | 2014-06-25 | 武汉重型机床集团有限公司 | Fixing and adjusting mechanism of splicing positions of machine tool beds |
| CN104858660A (en) * | 2015-06-02 | 2015-08-26 | 济南天辰铝机股份有限公司 | Numerical control gantry milling and drilling machine with soil foundation as workbench |
| CN204711580U (en) * | 2015-06-16 | 2015-10-21 | 江苏新瑞重工科技有限公司 | For the fine position device between connected piece |
| CN206048254U (en) * | 2016-08-24 | 2017-03-29 | 襄阳新火炬科技有限公司 | A kind of seamless spliced installation adjusting device of truss robot multistage beam guideway |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2099462C1 (en) * | 1996-05-16 | 1997-12-20 | Региональная энергетическая научно-производственная компания | Rail butt joint |
| AU9501498A (en) * | 1997-09-22 | 1999-04-12 | Valu Engineering, Inc. | Splice sleeve for guide rails |
| CN201471158U (en) * | 2009-06-01 | 2010-05-19 | 青岛蓝利锋激光科技有限责任公司 | Lathe bed structure of building block splicing large fixed gantry machine tool |
| CN102464252A (en) * | 2010-11-17 | 2012-05-23 | 快速电梯有限公司 | Guide rail connecting piece |
| CN204711585U (en) * | 2015-07-02 | 2015-10-21 | 山东英才学院 | Adopt the Long travel splicing lathe bed of encapsulating syndeton |
| CN206567816U (en) * | 2016-12-12 | 2017-10-20 | 固耐重工（苏州）有限公司 | A kind of Large Machine Body connects adjustment mechanism in high precision |
| CN207858080U (en) * | 2017-12-29 | 2018-09-14 | 大族激光科技产业集团股份有限公司 | Rack and laser cutting machine |
| CN109079354A (en) * | 2018-10-22 | 2018-12-25 | 佛山市宏石激光技术有限公司 | A kind of laser cutting machine splicing lathe bed and joining method |
-
2019
- 2019-01-04 CN CN201910007292.4A patent/CN109514278B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014061563A (en) * | 2012-09-20 | 2014-04-10 | Komatsu Ntc Ltd | Installation structure of machine tool |
| CN203665094U (en) * | 2013-12-24 | 2014-06-25 | 武汉重型机床集团有限公司 | Fixing and adjusting mechanism of splicing positions of machine tool beds |
| CN104858660A (en) * | 2015-06-02 | 2015-08-26 | 济南天辰铝机股份有限公司 | Numerical control gantry milling and drilling machine with soil foundation as workbench |
| CN204711580U (en) * | 2015-06-16 | 2015-10-21 | 江苏新瑞重工科技有限公司 | For the fine position device between connected piece |
| CN206048254U (en) * | 2016-08-24 | 2017-03-29 | 襄阳新火炬科技有限公司 | A kind of seamless spliced installation adjusting device of truss robot multistage beam guideway |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109514278A (en) | 2019-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9186763B2 (en) | Modular machine tools | |
| CN201309054Y (en) | Electric locomotive top cover positive assembling tool | |
| CN202137417U (en) | Tool device applicable to drilling of large-dimension H steel | |
| CN109514278B (en) | Lathe bed butt joint structure and connecting method of ultra-long gantry machining center | |
| CN105537991A (en) | Adapter drilling fixture | |
| CN219484262U (en) | Integral processing device for fixed wheel shaft hole of large gate | |
| CN110948157B (en) | Welding fixture for transformer core clamping piece | |
| CN104942616A (en) | Irregular frame geometrical form machining positioning centering special jig | |
| CN106271751A (en) | The processing tool in hole and processing method on a kind of shield machine huge revolving part concave surface | |
| CN217991630U (en) | Revolving frame unit, revolving frame and processing tool of revolving frame unit | |
| CN102398057B (en) | Processing method of a creeper tread | |
| CN112900740B (en) | Truss girder segment and truss girder segment manufacturing method | |
| CN206597940U (en) | A kind of Combined drill die craft equipment for being used to drill in housing connection member | |
| CN113102947B (en) | Passenger car tubular beam piece and machining method thereof | |
| CN102019511A (en) | Assembly welding technology of lifting frame of heating furnace | |
| CN109927105B (en) | Control method of CT medical bed board assembly hole opening device | |
| CN113628773A (en) | Adjustable device for assembling spent fuel dry-type storage equipment support of nuclear power station | |
| JP2003117905A (en) | Drilling machine for timber | |
| CN206527561U (en) | A kind of milling drill jig of steering trapezoidal arm | |
| CN209681631U (en) | A kind of lathe bed docking structure of overlength gantry machining center | |
| CN217193807U (en) | Slider machine tool machining device for seamless steel tube cold rolling mill | |
| CN219235103U (en) | Steel block positioning clamp | |
| CN2892340Y (en) | Hook tongue shaped hole working milling machine of railway rolling stock | |
| CN219189301U (en) | Numerical control drilling, tapping and milling machining center | |
| CN115464336B (en) | Welding method of mounting frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.88 Keyun Road, high tech Zone, Jinan, Shandong 250100 Applicant after: Jinan Tianchen Intelligent Equipment Co.,Ltd. Address before: 250101 No. 1571 Tianchen Street, Jinan High-tech Zone, Shandong Province Applicant before: JINAN TIANCHEN ALUMINUM MACHINERY CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |