CN211191732U - Rear positioning system suitable for compact bending machine - Google Patents
Rear positioning system suitable for compact bending machine Download PDFInfo
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- CN211191732U CN211191732U CN201921428841.7U CN201921428841U CN211191732U CN 211191732 U CN211191732 U CN 211191732U CN 201921428841 U CN201921428841 U CN 201921428841U CN 211191732 U CN211191732 U CN 211191732U
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Abstract
The utility model discloses a rear positioning system suitable for a compact bending machine, which comprises an X-axis main body 30 which is longitudinally distributed; the X-axis main body is provided with a vertically distributed R-axis main body (40) in a way of sliding back and forth longitudinally; an R-axis connecting body (200) is arranged at the rear side of the R-axis main body in a vertically sliding manner; the top of the R shaft connecting body is fixedly connected with a Z shaft main body (110) which is transversely distributed; a Z-axis rack (80) capable of moving transversely is arranged on the front surface of the Z-axis main body; the left end and the right end of the top of the Z-axis rack are respectively and fixedly connected with the bottom of the front end of one positioning stop finger (100); the top of the Z-axis main body is provided with a Z-axis linear guide rail (90) which is transversely distributed; the bottom surface of the middle part of each positioning stop finger is connected with a slide block on the Z-axis linear guide rail; the rear end part of the positioning stop finger protrudes backwards out of the back surface of the Z-axis main body. The utility model discloses a back positioning system can effectively guarantee the precision of location, the stability of reinforcing system.
Description
Technical Field
The utility model relates to a bender technical field especially relates to a back positioning system suitable for compact bender.
Background
A numerical control bending machine is a machine tool for bending a metal plate in a cold state into a workpiece having various geometric cross-sectional shapes by using a die (general-purpose or special-purpose die) provided. The sheet forming machine is designed for cold-rolled sheet metal processing, and is widely applied to bending and processing of sheets in the industries of automobile, aircraft manufacturing, light industry, shipbuilding, containers, elevators, railway vehicles and the like.
For the existing compact bending machine rear positioning system, full servo driving cannot be realized, the positioning precision of the system is poor, and the high-precision requirement of a client cannot be fully met.
Meanwhile, the existing compact bending machine rear positioning system is only suitable for bending machine tools with bending length of smaller length (for example 1600mm), and is not suitable for smaller machine tools.
In addition, the existing compact bending machine rear positioning system has higher overall manufacturing cost.
Therefore, the existing rear positioning system of the compact bending machine cannot meet the requirements of low cost, high precision, compact space, full servo drive and the like of a customer on the novel bending machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a back positioning system suitable for compact bender to the technical defect that prior art exists.
Therefore, the utility model provides a rear positioning system suitable for a compact bending machine, which comprises an X-axis main body which is longitudinally distributed;
the X-axis main body is longitudinally and longitudinally arranged with R-axis main bodies which are vertically distributed;
an R-axis connecting body is vertically and vertically arranged at the rear side of the R-axis main body in a sliding manner;
the top of the R-axis connector is fixedly connected with a Z-axis main body which is transversely distributed;
a Z-axis rack which can move transversely is arranged on the front surface of the Z-axis main body;
the left end and the right end of the top of the Z-axis rack are respectively and fixedly connected with the bottom of the front end of one positioning blocking finger;
the top of the Z-axis main body is provided with a Z-axis linear guide rail which is transversely distributed;
the bottom surface of the middle part of each positioning stop finger is connected with a slide block on the Z-axis linear guide rail;
the rear end part of the positioning stop finger protrudes backwards out of the back surface of the Z-axis main body.
The X-axis main body is a hollow frame structure with an opening at the bottom;
x-axis linear guide rails which are longitudinally distributed are respectively arranged on the left side wall and the right side wall of the X-axis main body;
and the sliding blocks on the two X-axis linear guide rails are fixedly connected with the left end and the right end of the lower part of the R-axis main body.
Wherein, the lower part of the R-axis main body is provided with an X-axis main body through notch;
the rear end shell of the X-axis main body is an open opening;
the X-axis main body longitudinally penetrates through the X-axis main body through gap.
Wherein, the lower part of the inner side of the X-axis main body is provided with X-axis transmission lead screws which are longitudinally distributed;
the top surface of the X-axis main body is provided with guide open slots which are longitudinally distributed at the position right above the X-axis transmission screw;
an X-axis servo motor is arranged on the front surface of the X-axis main body;
an output shaft at the rear end of the X-axis servo motor is connected with the front end of the X-axis transmission lead screw through an elastic coupling;
the rear end of the X-axis transmission lead screw is fixedly connected with the middle part of the lower part of the R-axis main body.
The front end of the X-axis transmission lead screw is also in threaded connection with a lead screw connecting seat;
the top of the lead screw connecting seat is fixedly connected with the X-axis main body.
The middle part of the lower part of the R-axis main body is provided with a nut seat, and the front side surface of the nut seat is fixedly connected with the rear end of the X-axis transmission lead screw;
and a connecting column which is vertically distributed is arranged between the top of the nut seat and the middle part of the lower part of the R-axis main body and is positioned in a guide open slot on the top surface of the X-axis main body.
The front surface of the R-axis main body is provided with an R-axis servo motor;
an R-axis driving wheel is mounted on an output shaft at the top of the R-axis servo motor;
the left end and the right end of the rear side of the R-axis main body are respectively provided with a vertically distributed R-axis linear guide rail;
vertically distributed R-axis connectors are arranged right behind the R-axis main body at intervals;
the sliding blocks on the two R-axis linear guide rails are fixedly connected with the left side and the right side of the R-axis connecting bodies which are vertically distributed;
a screw rod bracket is fixedly arranged on the front surface of the R-axis connecting body;
and the lead screw bracket is in threaded connection with a vertically distributed R-axis transmission lead screw.
The top of the R-axis transmission lead screw is provided with an R-axis driven wheel;
the R-axis driven wheel is positioned right behind the R-axis driving wheel;
the R-axis driven wheel is connected with the R-axis driving wheel through an annular R-axis synchronous belt.
Wherein, the left end and the right end of the front surface of the Z-axis main body are respectively provided with a Z-axis speed reducer;
each Z-axis speed reducer is connected with a Z-axis servo motor;
a Z-axis gear is mounted on an output shaft of each Z-axis speed reducer;
the tops of the two Z-axis gears are meshed and connected with the left end and the right end of the bottom surface of the same Z-axis rack.
The left side and the right side of the front end of the Z-axis main body are fixedly connected with a machine tool frame of the bending machine tool through fixing bolts respectively.
By above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a back positioning system suitable for compact bender, its structural design scientific and reasonable can guarantee the precision of location effectively, and the stability of reinforcing system has great production practice meaning.
Furthermore, the utility model provides a back positioning system suitable for compact bender, it passes through shaft coupling lug connection with X axle servo motor and lead screw, compares with prior art, has saved synchronous pulley's cost.
Additionally, the utility model provides a back positioning system suitable for compact bender through the overall arrangement of adjustment R axle main part, makes the system can satisfy full servo drive's configuration selection simultaneously.
Drawings
Fig. 1 is a schematic perspective view of a rear positioning system suitable for a compact bending machine according to the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic perspective view of a rear positioning system suitable for a compact bending machine, viewed from the rear to the front, according to the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
FIG. 5 is an enlarged view of portion C of FIG. 3;
fig. 6 is a schematic perspective view of a rear positioning system suitable for a compact bending machine according to the present invention, when the rear positioning system is mounted on a machine tool frame of a machine tool of the bending machine;
FIG. 7 is an enlarged view of portion D of FIG. 6;
fig. 8 is a schematic perspective view of the other side of the rear positioning system suitable for the compact bending machine according to the present invention when mounted on the machine frame of the machine tool of the bending machine;
FIG. 9 is an enlarged view of section E of FIG. 8;
in the figure, 10 is an X-axis servo motor, 20 is an X-axis linear guide rail, 30 is an X-axis main body, 40 is an R-axis main body, and 50 is a Z-axis servo motor;
60 is a Z-axis reducer, 70 is a Z-axis gear, 80 is a Z-axis rack, 90 is a Z-axis linear guide rail, and 100 is a positioning gear finger;
110 is a Z-axis main body, 120 is an R-axis servo motor, 130 is an R-axis synchronous belt, 140 is an R-axis driving wheel, and 150 is an R-axis transmission lead screw;
160 is an R-axis linear guide rail, 170 is an X-axis transmission lead screw, 180 is an elastic coupling, 190 is an R-axis driven wheel, and 200 is an R-axis connecting body;
210 is a machine tool frame, 220 is a fixing bolt, and 230 is a connecting beam;
2100 is a rear panel, 3001 is a guide open slot, 3002 is a nut seat, 500 is a drag chain of a cable (for cable routing), 501 is a connecting bracket, and 560 is a motor mounting bracket.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 8, the present invention provides a rear positioning system suitable for a compact bending machine, comprising an X-axis main body 30 distributed longitudinally;
the X-axis main body 30 is provided with R-axis main bodies 40 which are vertically distributed in a manner of sliding back and forth longitudinally;
an R-axis connector 200 is vertically slidably provided at the rear side of the R-axis body 40;
the top of the R-axis connector 200 is fixedly connected (e.g., by screws) with the Z-axis main body 110;
the front surface of the Z-axis main body 110 is provided with a Z-axis rack 80 which is transversely distributed and can transversely move;
the left end and the right end of the top of the Z-axis rack 80 are respectively and fixedly connected (for example, by a positioning pin or a screw) with the bottom of the front end of a positioning stop finger 100;
a top portion of the Z-axis body 110 having a Z-axis linear guide 90 distributed laterally;
the bottom surface of the middle part of each positioning stop finger 100 is connected with a slide block on the Z-axis linear guide rail 90;
the rear end of the positioning finger 100 protrudes rearward from the rear surface of the Z-axis body 110.
It should be noted that, for the bending machine, the positioning stop finger provided therein is used for positioning the size of the plate workpiece, and plays a role in positioning the plate workpiece (i.e., the workpiece to be machined).
It should be noted that, for the present invention, as shown in fig. 1 and 8, the X-axis direction is the front-back direction of the bending machine tool installed on the rear positioning system of the present invention. R axle direction, does the utility model discloses a bender lathe's of back positioning system installation perpendicular upper and lower direction. Z axle direction, does the utility model discloses a bender lathe's that back positioning system installed horizontal left right direction.
The utility model discloses in, can be about on the X axle main part 30 vertically around the ground that slides, be provided with the R axle main part 40 of vertical distribution, concrete structure is as follows:
the X-axis body 30 has a hollow frame structure with an open bottom.
An X-axis linear guide rail 20 is longitudinally arranged (for example, connected by a screw) on each of the left and right side walls of the X-axis body 30;
and the sliding blocks on the two X-axis linear guide rails 20 are fixedly connected with the left end and the right end of the lower part of the R-axis main body 40.
In the concrete implementation, the lower part of the R-axis main body 40 is provided with an X-axis main body through notch 400;
a rear end housing of the X-axis main body 30, which is an open opening;
the X-axis body 30 extends longitudinally through the X-axis body through opening 400.
In the concrete implementation, the lower part of the inner side of the X-axis main body 30 is provided with X-axis transmission lead screws 170 which are longitudinally distributed;
a guide open slot 3001 which is longitudinally distributed is formed in the top surface of the X-axis main body 30 at a position right above the X-axis drive screw 170;
an X-axis servo motor 10 is installed on the front surface of the X-axis main body 30;
an output shaft at the rear end of the X-axis servo motor 10 is connected with the front end of an X-axis transmission lead screw 170 through an elastic coupling 180;
the rear end of the X-axis drive screw 170 is fixedly connected to the middle of the lower part of the R-axis body 40.
In particular, the front end of the X-axis drive lead screw 170 is also in threaded connection with a lead screw connecting seat 1700;
the top of the lead screw connecting base 1700 is fixedly connected (e.g., welded or screwed) to the X-axis body 30.
In concrete implementation, the rear end of the X-axis transmission screw 170 is fixedly connected with the middle of the lower part of the R-axis main body 40, and the concrete structure is as follows:
the middle part of the lower part of the R-axis main body 40 is provided with a nut seat 3002, and the front side surface of the nut seat 3002 is fixedly connected with the rear end of the X-axis drive screw 170;
a vertically distributed connection column (not shown) is arranged between the top of the nut seat 3002 and the lower middle part of the R-axis main body 40, and is positioned in the guide opening groove 3001 on the top surface of the X-axis main body 30.
It should be noted that the diameter of the connecting column is smaller than the transverse dimension of the guide opening slot 3001, so as to facilitate longitudinal forward and backward movement on the guide opening slot 3001. Meanwhile, there is no other blocking part between the top of the nut seat 300 and the middle of the lower part of the R-axis main body 40, and the blocking part may be connected only by a connection column, so that the connection column may longitudinally move back and forth along the guide opening groove 3001, and meanwhile, the R-axis main body 40, which is an integral part, may longitudinally move back and forth along the X-axis main body through notch 400 provided at the lower part and along the outer side of the X-axis main body 30.
It should be noted that to the utility model provides a back positioning system suitable for compact bender relies on X axle linear guide 20 of connecting to bear whole back positioning system on the X axle main part 30 to guarantee the straightness accuracy that back positioning system removed along X axle (lathe front and back) direction. The X-axis servo motor 10 is connected to the X-axis drive screw 170 by an elastic coupling 180, and drives the R-axis body 40 to move back and forth along the X-axis direction. The connecting structure saves the connecting mode of the synchronous belt used in the existing structure, has simpler structure, reduces the machine tool cost, increases the transmission precision, saves the installation space and improves the convenience of installation and maintenance.
In addition, the X-axis drive screw 170 is located inside the X-axis body 30, thereby protecting the X-axis drive screw 170, reducing the operation risk of the system, and reducing the maintenance cost.
The utility model discloses in, about the rear side of R axle main part 40, can be provided with R axle connector 200 with sliding from top to bottom perpendicularly, concrete structure is as follows:
an R-axis servo motor 120 is installed on the front surface of the R-axis main body 40;
an R-axis driving wheel 140 is mounted on an output shaft at the top of the R-axis servo motor 120;
the left and right ends of the rear side of the R-axis main body 40 are respectively provided with a vertically distributed R-axis linear guide 160;
vertically distributed R-axis connectors are arranged right behind the R-axis main body 40 at intervals;
the sliders on the two R-axis linear guide rails 160 are fixedly connected (for example, by screws) to the left and right sides of the R-axis connecting body 200 which are vertically distributed;
a screw bracket 2000 (two of which may be vertically spaced) is fixedly mounted on the front surface of the R-axis connector 200 (i.e., the side surface facing the R-axis main body 40);
the lead screw bracket 2000 is in threaded connection with a vertically distributed R-axis transmission lead screw 150;
an R-axis driven wheel 190 is mounted on the top of the R-axis drive screw 150;
the R-axis driven wheel 190 is located right behind the R-axis driving wheel 140, and the longitudinal straight line connecting direction between the R-axis driven wheel and the R-axis driving wheel 140 is not blocked (i.e., an opening is reserved in the R-axis main body 40 at a position corresponding to the R-axis driven wheel 190 and the R-axis driving wheel 140);
the R-axis driven pulley 190 and the R-axis driving pulley 140 are connected by an annular R-axis timing belt 130.
It should be noted that, to the utility model discloses, the motion of R axle direction (upper and lower direction), rely on R axle servo motor 120 to pass through R axle action wheel 140, R axle hold-in range 130, the transmission of R axle driven wheel 190 (R axle driven wheel 190 and 140R axle action wheel longitudinal symmetry set up), it rotates (R axle drive screw 150 top and R axle driven wheel 190's central point puts and is connected) to drive R axle connector 200(R axle connector 200200, be located 40R axle main part dead astern and mutual interval) up-and-down motion, finally make Z axle main part 110(Z axle main part 110 and R axle connector 200's top fixed connection) along R axle direction motion. The connection mode of the synchronous belt can realize the parallel arrangement of the R-axis servo motor 120 and the R-axis transmission lead screw 150, and greatly saves the transmission space under the condition of ensuring the transmission precision, thereby ensuring that the whole structure is more compact.
It should be noted that the R-axis linear guides 160 installed at the left and right ends of the rear side of the R-axis main body 40 ensure the movement accuracy of the R-axis connecting body 200 in the R-axis direction (the left and right ends of the R-axis connecting body 200 are fixedly connected to the sliders on the two R-axis linear guides 160). The other end of the R-axis transmission screw 150 can adopt a suspension structure, and the structure ensures the transmission strength, saves the processing and assembling cost and simultaneously makes the structure of the R-axis more compact.
To the utility model discloses, Z axle main part 110 disposes directly over R axle main part 40, makes the utility model discloses a system's stability is best.
The utility model discloses in, about the front of Z axle main part 110, but install annular distribution, lateral shifting's Z axle rack 80, concrete structure is as follows:
a Z-axis reducer 60 is respectively installed at the left and right ends of the front surface of the Z-axis main body 110;
each Z-axis reducer 60 is connected to one Z-axis servo motor 50 (specifically, an input shaft of the Z-axis reducer 60 is connected to an output shaft of the Z-axis servo motor 50 through a coupling);
a Z-axis gear 70 (which is a conventional transmission gear) is mounted on an output shaft of each Z-axis reducer 60;
the tops of the two Z-axis gears 70 are connected (specifically, meshed) with the left and right ends of the bottom surface of the same Z-axis rack 80;
in a specific implementation, the Z-axis rack 80 is installed on a transversely distributed linear guide rail disposed on the upper portion of the front surface of the Z-axis main body 110, and can move transversely along the linear guide rail (for example, the linear guide rail is composed of a slider and a guide rail, the Z-axis rack 80 is fixedly connected to the guide rail, and the slider is fixedly connected to the upper portion of the front surface of the Z-axis main body 110) under external force pushing (for example, the Z-axis gear 70 rotates and pushes the Z-axis gear to rotate in the same direction, for example, both clockwise and counterclockwise). The linear guide rail is also called a linear rail, a slide rail, a linear guide rail and a linear slide rail, is used for linear reciprocating motion occasions, can bear certain torque, and can realize high-precision linear motion under the condition of high load). Here, the mounting method of the rack and the linear guide (linear slide rail) is a conventional and well-known mounting method of the rack and the guide.
The top of the housing of the Z-axis servo motor 50 is connected to the front surface of the Z-axis body 110 through a motor mount 560.
In the present invention, the Z-axis servomotor 50 is decelerated by the Z-axis reducer 60 to drive the Z-axis gear 70 to rotate on the Z-axis rack 80, thereby moving the positioning finger 100 in the Z-axis (left-right machine tool) direction. The Z-axis linear guide rail 90 is connected with the bottom surface of the middle part of the positioning stop finger 100, so that the operation straightness of the positioning stop finger 100 is guaranteed, the positioning stop finger 100 can accurately reach a specified position, the positioning of a plate workpiece (namely, a workpiece) to be processed is more reasonable, the reliability is good, and the high-precision requirement of a customer can be better met.
In the present invention, in particular, referring to fig. 6 to 9, for the rear positioning system suitable for a compact bending machine provided by the present invention, it is installed on the machine tool frame 210 of the bending machine tool;
the left and right sides of the front end of the Z-axis body 110 are fixedly connected to a machine tool frame 210 of the bending machine tool through fixing bolts 220, respectively.
In particular, the bottom of the front end of the Z-axis body 110 is provided with connecting beams 230 distributed transversely;
the connecting beam 230 is connected with a mounting connecting groove arranged at the top of the lower frame 220 of the machine tool frame 210;
the fixing bolts 220 are screwed with the screw holes (which may be transversely spaced and spaced apart from the connecting beam 230) reserved on the mounting and connecting grooves after passing through the through holes (which may be transversely spaced and spaced apart from each other) reserved on the connecting beam 230.
It should be noted that, for the machine tool frame 21 of the bending machine tool, the two positioning stop fingers 100 of the present invention extend backward out of the opening 2101 reserved on the rear side panel 2100 mounted on the machine tool frame 210.
In concrete implementation, a cable drag chain 500 (for cable routing) is fixedly connected to the right side of the lower end of the R-axis main body 40, and the end portion of the cable drag chain 500 is provided with a connecting bracket 501 for fixedly connecting (for example, by screws) with the lower frame 220 of the machine tool frame 210 of the bending machine tool.
In concrete implementation, the machine tool frame 21 can be fixedly connected with the left end and the right end of the rear side of the X-axis main body 30 through bolts.
It should be noted that, to the utility model discloses, assemble on machine tool frame 210, rely on fixing bolt 220 to be connected X axle main part 30 with machine tool frame 210, the position relation between X axle main part 30 and machine tool frame 210 can be adjusted to adjustment tie-beam 230, and after adjusting, adjustment tie-beam 230 can be fixed X axle main part 30 and machine tool frame 210 to the level uniformity of this system's whole level and machine tool frame 210 and the running accuracy of this system have been guaranteed.
It should be noted that the utility model discloses to the problem that original mechanism exists, developed more economic nature, higher integrated level, the structure is compacter, lower cost's full-automatic back positioning system. For the utility model, the X-axis servo motor is directly connected with the lead screw through the shaft coupling, compared with the prior art, the cost of the synchronous belt pulley is saved; meanwhile, the system can simultaneously meet the configuration selection of full servo drive by adjusting the layout of the R-axis main body; in addition, the structure and the installation form of the supporting mechanism are further optimized, the cost is reduced, the compactness is increased, and the precision and the stability of the system are improved.
Compared with the prior art, the utility model provides a back positioning system suitable for compact bender has following beneficial effect:
the utility model discloses, be applicable to the full-automatic back positioning system of the low-cost high integration of compact bender, it occupies greatly to have solved old structure space, and the integration is low, can not realize full servo drive, a series of problems such as the cost is higher, has improved bender back positioning system's practicality and economic nature by a wide margin, reduces the overall cost, reduces under the condition of installation space, has improved degree of automation and reliability, and later maintenance's cost, convenience all have very big improvement simultaneously.
To sum up, compare with prior art, the utility model provides a pair of back positioning system suitable for compact bender, its structural design scientific and reasonable can guarantee the precision of location effectively, and the stability of reinforcing system has great production practice meaning.
Furthermore, the utility model provides a back positioning system suitable for compact bender, it passes through shaft coupling lug connection with X axle servo motor and lead screw, compares with prior art, has saved synchronous pulley's cost.
Additionally, the utility model provides a back positioning system suitable for compact bender through the overall arrangement of adjustment R axle main part, makes the system can satisfy full servo drive's configuration selection simultaneously.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A rear positioning system suitable for compact bending machines, characterized by comprising a longitudinally distributed X-axis body (30);
the X-axis main body (30) is provided with R-axis main bodies (40) which are vertically distributed in a manner of sliding back and forth longitudinally;
an R-axis connecting body (200) is arranged at the rear side of the R-axis main body (40) and can vertically slide up and down;
the top of the R-axis connecting body (200) is fixedly connected with a Z-axis main body (110) which is transversely distributed;
a Z-axis rack (80) which can move transversely is arranged on the front surface of the Z-axis main body (110);
the left end and the right end of the top of the Z-axis rack (80) are respectively and fixedly connected with the bottom of the front end of one positioning stop finger (100);
the top of the Z-axis main body (110) is provided with a Z-axis linear guide rail (90) which is transversely distributed;
the bottom surface of the middle part of each positioning stop finger (100) is connected with a sliding block on the Z-axis linear guide rail (90);
the rear end of the positioning stop finger (100) protrudes rearward from the back surface of the Z-axis body (110).
2. Rear positioning system for compact bending machines according to claim 1, characterized in that the X-axis body (30) is a frame structure open at the bottom and hollow;
x-axis linear guide rails (20) which are longitudinally distributed are respectively arranged on the left side wall and the right side wall of the X-axis main body (30);
and the sliding blocks on the two X-axis linear guide rails (20) are fixedly connected with the left end and the right end of the lower part of the R-axis main body (40).
3. Rear positioning system for compact bending machines according to claim 2, characterized in that the lower part of the R-axis body (40) is provided with an X-axis body through slit (400);
a rear end housing of the X-axis body (30) which is an open opening;
the X-axis main body (30) penetrates through the X-axis main body through notch (400) in the longitudinal direction.
4. Rear positioning system for compact bending machines according to claim 3, characterized in that at the lower inner side of the X-axis body (30) there are mounted X-axis drive screws (170) distributed longitudinally;
a guide open slot (3001) which is longitudinally distributed is formed in the top surface of the X-axis main body (30) at a position right above the X-axis transmission lead screw (170);
an X-axis servo motor (10) is arranged on the front surface of the X-axis main body (30);
an output shaft at the rear end of the X-axis servo motor (10) is connected with the front end of an X-axis transmission lead screw (170) through an elastic coupling (180);
the rear end of the X-axis transmission lead screw (170) is fixedly connected with the middle part of the lower part of the R-axis main body (40).
5. Rear positioning system for compact bending machines according to claim 4, characterized in that the front end of the X-axis drive screw (170) is also screwed to a screw connection seat (1700);
the top of the lead screw connecting seat (1700) is fixedly connected with the X-axis main body (30).
6. Rear positioning system for compact bending machines according to claim 4, characterized in that the lower central part of the R-axis body (40) has a nut seat (3002), the front side of which (3002) is fixedly connected to the rear end of the X-axis drive screw (170);
and a connecting column which is vertically distributed is arranged between the top of the nut seat (3002) and the middle part of the lower part of the R-axis main body (40), and is positioned in a guide opening groove (3001) on the top surface of the X-axis main body (30).
7. Rear positioning system for compact bending machines according to claim 1, characterized in that the front face of the R-axis body (40) is fitted with an R-axis servomotor (120);
an R-axis driving wheel (140) is mounted on an output shaft at the top of the R-axis servo motor (120);
the left end and the right end of the rear side of the R-axis main body (40) are respectively provided with a vertical R-axis linear guide rail (160);
r-axis connectors which are vertically distributed are arranged right behind the R-axis main body (40) at intervals;
the sliding blocks on the two R-axis linear guide rails (160) are fixedly connected with the left side and the right side of the R-axis connecting body (200) which is vertically distributed;
a screw rod bracket (2000) is fixedly arranged on the front surface of the R-axis connecting body (200);
the screw bracket (2000) is in threaded connection with a vertically distributed R-axis transmission screw (150).
8. Rear positioning system for compact bending machines according to claim 7, characterized in that the top of the R-axis drive screw (150) is fitted with an R-axis driven wheel (190);
the R-axis driven wheel (190) is positioned right behind the R-axis driving wheel (140);
the R-axis driven wheel (190) is connected with the R-axis driving wheel (140) through an annular R-axis synchronous belt (130).
9. The rear positioning system suitable for the compact bending machine according to any one of claims 1 to 8, wherein a Z-axis reducer (60) is respectively mounted at the left and right ends of the front surface of the Z-axis main body (110);
each Z-axis reducer (60) is connected with a Z-axis servo motor (50);
a Z-axis gear (70) is mounted on an output shaft of each Z-axis speed reducer (60);
the tops of the two Z-axis gears (70) are meshed and connected with the left end and the right end of the bottom surface of the same Z-axis gear rack (80).
10. Rear positioning system for compact bending machines according to any one of claims 1 to 8, characterized in that the left and right sides of the front end of the Z-axis body (110) are fixedly connected to the machine frame (210) of the bending machine by means of fixing bolts (220), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428841.7U CN211191732U (en) | 2019-08-30 | 2019-08-30 | Rear positioning system suitable for compact bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428841.7U CN211191732U (en) | 2019-08-30 | 2019-08-30 | Rear positioning system suitable for compact bending machine |
Publications (1)
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