CN210080413U - Bending knife rest - Google Patents
Bending knife rest Download PDFInfo
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- CN210080413U CN210080413U CN201920501848.0U CN201920501848U CN210080413U CN 210080413 U CN210080413 U CN 210080413U CN 201920501848 U CN201920501848 U CN 201920501848U CN 210080413 U CN210080413 U CN 210080413U
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- servo motor
- rectangular
- shaped frame
- connecting rod
- guide rail
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Abstract
The utility model discloses a bending knife rest, which comprises a first servo motor, a second servo motor, a first transmission mechanism, a second transmission mechanism, a rectangular knife rest, an L-shaped frame and a connecting rod; the L-shaped frame is arranged on the rack in a sliding mode, and the rectangular knife rest is arranged on the L-shaped frame in a sliding mode; the moving direction of the L-shaped frame is perpendicular to the moving direction of the rectangular knife rest; the second servo motor is in driving connection with the L-shaped frame through a second transmission mechanism; the first servo motor is connected with the rectangular tool rest through the first transmission mechanism and the connecting rod, the rectangular tool rest is hinged with the connecting rod, and the connecting rod is hinged with the output end of the first transmission mechanism; the output shaft of the first servo motor is perpendicular to the output shaft of the second servo motor. The utility model discloses a linkage of 2 directions of vertical and level, the synthetic required cutter movement track of bending.
Description
Technical Field
The utility model relates to a transmission structure, concretely relates to knife rest of bending.
Background
With the improvement of science and technology and the increase of labor cost, the requirements of the metal plate industry on the intellectualization and the unmanned property of equipment are more and more urgent. Compared with the traditional bending machine, the bending center has the advantages of natural advantages in panel processing, labor saving, high speed and good product consistency. With the end of the population dividend, domestic industrial workers are increasingly deficient, the labor cost continuously rises, and the investment cost ratio of the bending center is increasingly remarkable. At present, the mainstream bending centers in the market such as Savaniy P4 are hydraulic main transmission and have the defects of oil leakage and high energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a knife rest bends, the utility model discloses a drive mechanism of L type frame registrate knife rest, servo lead screw drive mode drives rectangle knife rest up-and-down motion through first servo motor, drives L shape frame and then drives the knife rest and carry out the horizontal motion through second servo motor, through the linkage of vertical and 2 horizontal directions, the synthetic required cutter movement track of bending.
The utility model aims at realizing the bending tool rest by the following technical scheme, which is characterized in that the L-shaped frame main transmission structure comprises a first servo motor, a second servo motor, a first transmission mechanism, a second transmission mechanism, a rectangular tool rest, an L-shaped frame and a connecting rod;
the L-shaped frame is arranged on the rack in a sliding mode, and the rectangular knife rest is arranged on the L-shaped frame in a sliding mode; the moving direction of the L-shaped frame is perpendicular to the moving direction of the rectangular knife rest;
the second servo motor is in driving connection with the L-shaped frame through a second transmission mechanism;
the first servo motor is connected with the rectangular tool rest through the first transmission mechanism and the connecting rod, the rectangular tool rest is hinged with the connecting rod, and the connecting rod is hinged with the output end of the first transmission mechanism;
the output shaft of the first servo motor is perpendicular to the output shaft of the second servo motor.
Preferably, the first servo motor drives the rectangular tool rest to reciprocate along the L-shaped frame through the first transmission mechanism and the connecting rod, and the second servo motor drives the L-shaped frame to reciprocate along the rack through the second transmission mechanism; synthesizing the motion trail required by bending the rectangular tool rest.
Preferably, the first transmission mechanism comprises a first lead screw and a first nut, the first lead screw is connected with the first servo motor through a first coupler, the first nut is in threaded connection with the first lead screw, the first nut is connected with the rectangular tool rest through a connecting rod, hinge connection structures are arranged among the connecting rod, the first nut, the connecting rod and the rectangular tool rest, and the first nut is arranged on the rack in a sliding mode.
Preferably, the second transmission mechanism comprises a second lead screw and a second nut, the second lead screw is connected with the second servo motor through a second coupler, the second lead screw is in threaded connection with the second nut, and the second nut is fixedly connected with the L-shaped frame.
Preferably, the first nut is provided with a connecting block, the connecting block is in an inverted U shape, and one end of the connecting rod extends into the connecting block and is connected with the connecting block through a first pin shaft;
the top of the rectangular knife rest is provided with two connecting lugs, and the other end of the connecting rod is arranged between the two connecting lugs and is connected through a second pin shaft.
Preferably, the rectangular knife rest is of a hollow square structure with an opening at one side, and the opening side of the rectangular knife rest is respectively provided with a first cutter and a second cutter.
Preferably, a first guide rail is arranged on the machine frame, the first guide rail is arranged in parallel with an output shaft of the second servo motor, an L-shaped frame is arranged on the first guide rail, a first sliding block is arranged at the bottom of a horizontal part of the L-shaped frame, and the first sliding block is in sliding fit with the first guide rail.
Preferably, the rectangular tool rest is provided with a second guide rail, the second guide rail is arranged in parallel with the output shaft of the first servo motor, the L-shaped frame is provided with a second sliding block, and the second sliding block is in sliding fit with the second guide rail.
Preferably, a third guide rail is arranged on the rack, the third guide rail is arranged in parallel with the output shaft of the first servo motor, a third sliding block is arranged on the connecting block, and the third sliding block is in sliding fit with the third guide rail.
Compared with the prior art, the utility model discloses following beneficial effect has:
first, the utility model discloses a drive mechanism of L type frame registrate knife rest, servo lead screw drive mode drives rectangle knife rest up-and-down motion through first servo motor, drives L shape frame and then drives the knife rest and carry out the horizontal motion through second servo motor, through the linkage through vertical and 2 horizontal directions, the synthetic required cutter movement track of bending.
Secondly, the up-and-down motion of the rectangular tool rest is realized through a spiral transmission structure consisting of the first screw rod and the first nut, the horizontal motion of the rectangular tool rest is realized through a spiral transmission structure consisting of the second screw rod, the second nut and the L-shaped frame, the transmission ratio is large, the structure is compact, the transmission is stable, and the noise is low.
And thirdly, the first nut is hinged with the rectangular knife rest through the connecting rod, the knife rest can move in the horizontal direction under the driving of the second servo motor by means of the cooperation of the knife rest, the connecting rod and the L-shaped frame, the horizontal movement space of the rectangular knife rest is enlarged, the vertical movement can be realized under the driving of the first servo motor, the design is more ingenious, and the structure is simpler and more compact.
And fourthly, the tool rest is of a square structure with an opening on one side, on one hand, a sliding block on the tool rest is in sliding fit with a guide rail on the L-shaped frame, on the other hand, the opening is arranged on one side, and a first tool is arranged on the upper part of the opening side of the tool rest, so that the tool is convenient to install and work.
Fifthly, the first sliding block and the first guide rail, the second sliding block and the second guide rail, and the third sliding block and the third guide rail are in sliding fit respectively, so that sliding is smooth, and the movement track is kept consistent.
And sixthly, a connecting block is arranged on the first nut and is perpendicular to the first nut, the connecting block is hinged with the connecting rod through a first pin shaft, and a first guide rail is arranged on the outer side of the connecting block. By adopting the structure, firstly, enough space is reserved for the rotation movement of the first lead screw, secondly, the nut is ensured to move only up and down, and thirdly, the length of the connecting rod is moderate.
And seventhly, a first cutter and a second cutter are respectively arranged on the opening side of the tool rest, the first cutter is positioned above the second cutter and arranged oppositely, the workpiece is bent upwards by descending the first cutter, and the workpiece is bent downwards by ascending the second cutter. The utility model discloses a drive mechanism of L type frame registrate knife rest, servo lead screw drive mode drives rectangle knife rest up-and-down motion through first servo motor, drives L shape frame and then drives the knife rest and carry out the horizontal motion through second servo motor, through the linkage through vertical and 2 horizontal directions, the synthetic required cutter movement track of bending.
Drawings
Fig. 1 is a schematic structural view of a bending tool rest according to the present invention;
fig. 2 is a perspective view of the bending tool rest of the present invention;
fig. 3 is a side view of fig. 2.
Detailed Description
As shown in fig. 1-3, a bending tool rest includes a first servo motor 1, a second servo motor 12, a first transmission mechanism 3, a second transmission mechanism 10, a rectangular tool rest 6, and an L-shaped frame 8.
The output shaft of the first servo motor 1 is vertically arranged, and the output shaft of the second servo motor 12 is horizontally arranged.
A first guide rail 91 is arranged on the machine frame, the first guide rail 91 is horizontally arranged, and an L-shaped frame 8 is arranged on the first guide rail 91. The second servo motor 12 is connected with the L-shaped frame 8 through a second transmission mechanism 10 in a driving mode.
The rectangular knife rest 6 is mounted on the L-shaped frame 8 through a second guide rail 92 and a second sliding block, the rectangular knife rest 6 can perform linear motion in the vertical direction relative to the L-shaped frame 8, and the second guide rail 92 is vertically arranged.
The rectangular tool rest 6 is hinged with the connecting rod 5, the connecting rod 5 is hinged with the output end of the first transmission mechanism 3, and the first transmission mechanism 3 is connected with the first servo motor 1.
The first servo motor 1 drives the rectangular tool rest 6 to reciprocate along the second guide rail 92 through the first transmission mechanism 3 and the connecting rod 5. The second servomotor 12 drives the L-shaped frame 8 to reciprocate along the first guide rail 91 via the second transmission mechanism 10.
The first transmission mechanism 3 comprises a first lead screw 31 and a first nut 32, the first lead screw 31 is vertically arranged, the first lead screw 31 is connected with the first servo motor 1 through a first coupler 21, the first nut 32 is arranged on the first lead screw 31, the first nut 32 is connected with the rectangular knife rest 6 through a connecting rod 5, the connecting rod 5 and the first nut 32 are hinged with each other, the connecting rod 5 and the rectangular knife rest 6 are hinged with each other, the first nut 32 can reciprocate along a third guide rail 93 arranged on the rack, and the third guide rail 93 is vertically arranged.
The second transmission mechanism 10 includes a second lead screw 101 and a second nut 102, the second lead screw 101 is horizontally disposed, the second lead screw 101 is connected with the second servo motor 12 through a second coupling 22, the second nut 102 is disposed on the second lead screw 101, and the second nut 102 is fixedly connected with the L-shaped frame 8.
The first servo motor 1 and the second servo motor 12 simultaneously drive the corresponding first screw rod 31 and the second screw rod 101, and the motion trail required by bending the rectangular tool rest 6 is synthesized.
A connecting block 33 is arranged on the first nut 32, the connecting block 33 is in an inverted U shape, and one end of the connecting rod 5 extends into the connecting block 33 and is connected with the connecting block through a first pin shaft 35; two connecting lugs 64 are arranged at the top of the rectangular knife rest 6, and the other end of the connecting rod 5 is placed between the two connecting lugs 64 and connected through a second pin shaft 36.
The third sliding block 34 is arranged on the connecting block 33, and the third sliding block 34 is in sliding fit with the third guide rail 93.
The rectangular knife rest 6 is a hollow cuboid structure with an opening on one side, and comprises a first horizontal part 61, a second horizontal part 62 and a vertical part 63, wherein the vertical part 63 is arranged between the first horizontal part 61 and the second horizontal part 62, and a second guide rail 92 is arranged on the outer side of the vertical part 63. A first cutter 71 is mounted on the upper portion of the opening side of the first horizontal portion 61, and a second cutter 72 is mounted on the lower portion of the opening side of the second horizontal portion 62. The first cutter 71 is located above the second cutter 72.
The bottom of the horizontal part of the L-shaped frame 8 is provided with a first sliding block 81, and the first sliding block 81 is in sliding fit with the first guide rail 91.
The rectangular tool rest 6 is provided with a second guide rail 92, the L-shaped frame 8 is provided with a second sliding block 82, and the second sliding block 82 is in sliding fit with the second guide rail 92.
The third sliding block 34 is arranged on the connecting block 33, and the third sliding block 34 is in sliding fit with the third guide rail 93.
The utility model discloses a drive mechanism of L type frame registrate knife rest, servo lead screw drive mode drives rectangle knife rest up-and-down motion through first servo motor, drives L shape frame and then drives the knife rest and carry out the horizontal motion through second servo motor, through the linkage through vertical and 2 horizontal directions, the synthetic required cutter movement track of bending.
The utility model discloses the up-and-down motion of rectangle knife rest is through the helical drive structure that first lead screw, first nut are constituteed, and the horizontal motion of rectangle knife rest is through the helical drive structure that second lead screw, second nut, L shape frame are constituteed, and the drive ratio is big, compact structure, and the transmission is steady, and the noise is little.
The utility model discloses be connected through the connecting rod hinge between first nut and the rectangle knife rest, with the help of the cooperation of knife rest, connecting rod and L shape frame, realize that the knife rest can realize the horizontal direction motion under second servo motor's drive, and enlarged the horizontal motion space of wedge knife rest, can realize the motion of vertical direction again under first servo motor's drive, design more ingenious, the structure is simple compacter.
The utility model discloses the knife rest adopts one side open-ended square structure, slider on the knife rest and the sliding fit of L shape frame upper guideway on the one hand, on the other hand, the opening is in one side, the first cutter of knife rest opening side upper portion installation, the installation and the work of the cutter of being convenient for.
The utility model discloses sliding fit between first slider and first guide rail, second slider and second guide rail, third slider and the third guide rail, firstly guarantee to slide smoothly, secondly make the movement track keep the uniformity.
The first nut is provided with a connecting block, the connecting block is perpendicular to the first nut, the connecting block is hinged with the connecting rod through a first pin shaft, and a first guide rail is arranged on the outer side of the connecting block. By adopting the structure, firstly, enough space is reserved for the rotation movement of the first lead screw, secondly, the nut is ensured to move only up and down, and thirdly, the length of the connecting rod is moderate.
The opening side of the tool rest is respectively provided with a first tool and a second tool, the first tool is positioned above the second tool and is arranged oppositely, the first tool realizes upward bending of the workpiece, and the second tool realizes downward bending of the workpiece.
The first cutter and the second cutter are arranged on the opening side of the tool rest respectively, the first cutter is located above the second cutter and arranged oppositely, upward bending of the workpiece is achieved through descending of the first cutter, and downward bending of the workpiece is achieved through ascending of the second cutter. The utility model discloses a drive mechanism of L type frame registrate knife rest, servo lead screw drive mode drives rectangle knife rest up-and-down motion through first servo motor, drives L shape frame and then drives the knife rest and carry out the horizontal motion through second servo motor, through the linkage through vertical and 2 horizontal directions, the synthetic required cutter movement track of bending.
The specific working mode of the bending tool rest is as follows: the whole mechanism is vertically placed, and the first guide rail 91 and the third guide rail 93 are fixed on the frame. The first servo motor 1 is connected with a first screw rod 31 through a first coupler 21, so that the tool rest 6 moves along the vertical direction of the L-shaped frame 8. The second servomotor 12 is connected to the second lead screw 101 via a second coupling 22. This causes the L-shaped frame 8 and the tool holder 6 thereon to move horizontally as a whole with the movement of the second nut 102 of the second screw 101. The two servos simultaneously drive the screw rods to synthesize a motion track required by bending the rectangular tool rest 6.
Claims (9)
1. A bending tool rest is characterized by comprising a first servo motor (1), a second servo motor (12), a first transmission mechanism (3), a second transmission mechanism (10), a rectangular tool rest (6), an L-shaped frame (8) and a connecting rod (5);
the L-shaped frame (8) is arranged on the rack in a sliding mode, and the rectangular knife rest (6) is arranged on the L-shaped frame (8) in a sliding mode; the moving direction of the L-shaped frame (8) is vertical to the moving direction of the rectangular knife rest (6);
the second servo motor (12) is in driving connection with the L-shaped frame (8) through a second transmission mechanism (10);
the first servo motor (1) is connected with the rectangular tool rest (6) through the first transmission mechanism (3) and the connecting rod (5), the rectangular tool rest (6) is hinged with the connecting rod (5), and the connecting rod (5) is hinged with the output end of the first transmission mechanism (3);
the output shaft of the first servo motor (1) is perpendicular to the output shaft of the second servo motor (12).
2. A bending tool rest according to claim 1, wherein the first servo motor (1) drives the rectangular tool rest (6) to reciprocate along the L-shaped frame (8) through the first transmission mechanism (3) and the connecting rod (5), and the second servo motor (12) drives the L-shaped frame (8) to reciprocate along the rack through the second transmission mechanism (10); synthesizing the motion trail required by bending the rectangular tool rest (6).
3. A bending tool rest according to claim 1 or 2, wherein the first transmission mechanism (3) comprises a first lead screw (31) and a first nut (32), the first lead screw (31) is connected with the first servo motor (1) through a first coupler (21), the first nut (32) is in threaded connection with the first lead screw (31), the first nut (32) is connected with the rectangular tool rest (6) through a connecting rod (5), the connecting rod (5) and the first nut (32) as well as the connecting rod (5) and the rectangular tool rest (6) are in hinged connection, and the first nut (32) is slidably arranged on the frame.
4. A bending tool holder according to claim 1 or 2, wherein the second transmission mechanism (10) comprises a second lead screw (101) and a second nut (102), the second lead screw (101) is connected with the second servo motor (12) through a second coupling (22), the second lead screw (101) is in threaded connection with the second nut (102), and the second nut (102) is fixedly connected with the L-shaped frame (8).
5. A bending tool rest according to claim 3, wherein the first nut (32) is provided with a connecting block (33), the connecting block (33) is in an inverted U shape, and one end of the connecting rod (5) extends into the connecting block (33) and is connected with the connecting block through a first pin shaft (35); two connecting lugs (64) are arranged at the top of the rectangular knife rest (6), and the other end of the connecting rod (5) is arranged between the two connecting lugs (64) and connected through a second pin shaft (36).
6. A bending blade holder according to claim 1, wherein the rectangular blade holder (6) has a hollow square structure with one side open, and the open side of the rectangular blade holder is provided with a first cutter (71) and a second cutter (72), respectively.
7. A bending knife rest according to claim 1, characterized in that a first guide rail (91) is arranged on the machine frame, the first guide rail (91) is arranged in parallel with an output shaft of the second servo motor (12), an L-shaped frame (8) is arranged on the first guide rail (91), a first sliding block (81) is arranged at the bottom of a horizontal part of the L-shaped frame (8), and the first sliding block (81) is in sliding fit with the first guide rail (91).
8. A bending tool holder according to claim 1, wherein the rectangular tool holder (6) is provided with a second guide rail (92), the second guide rail (92) is arranged in parallel with the output shaft of the first servo motor (1), the L-shaped frame (8) is provided with a second slide block (82), and the second slide block (82) is in sliding fit with the second guide rail (92).
9. A bending tool rest according to claim 5, wherein a third guide rail (93) is arranged on the machine frame, the third guide rail (93) is arranged in parallel with the output shaft of the first servo motor (1), a third slide block (34) is arranged on the connecting block (33), and the third slide block (34) is in sliding fit with the third guide rail (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501848.0U CN210080413U (en) | 2019-04-12 | 2019-04-12 | Bending knife rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501848.0U CN210080413U (en) | 2019-04-12 | 2019-04-12 | Bending knife rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210080413U true CN210080413U (en) | 2020-02-18 |
Family
ID=69474475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920501848.0U Active CN210080413U (en) | 2019-04-12 | 2019-04-12 | Bending knife rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210080413U (en) |
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2019
- 2019-04-12 CN CN201920501848.0U patent/CN210080413U/en active Active
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