CN220651956U - Double-swing arm - Google Patents
Double-swing arm Download PDFInfo
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- CN220651956U CN220651956U CN202320571800.3U CN202320571800U CN220651956U CN 220651956 U CN220651956 U CN 220651956U CN 202320571800 U CN202320571800 U CN 202320571800U CN 220651956 U CN220651956 U CN 220651956U
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- swing arm
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- rotating frame
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- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model relates to a double-swing arm, which comprises a motor base, a first motor, a rotating frame, a first swing arm and a second swing arm, wherein the first motor is fixedly arranged at the upper end of the motor base; the first swing arm and the second swing arm are respectively arranged at two sides of the lower end part of the rotating frame and are movably connected with the lower end part of the rotating frame; the upper end of the motor seat is fixedly provided with a first cam mechanism, and the lower end of the motor seat is fixedly provided with a second cam mechanism; the lifting assembly is arranged in the rotating frame, the transmission ends of the first cam mechanism and the second cam mechanism are connected with the lifting assembly in the rotating frame, and the lifting assembly is connected with the first swing arm and the second swing arm respectively. Compared with the prior art, the utility model has the advantages of simple and reliable structure, low cost and noise and can effectively improve the operation precision.
Description
Technical Field
The utility model relates to the technical field of chip processing equipment, in particular to a double-swing arm.
Background
In the packaging process of semiconductor devices such as ICs and LEDs, it is an important link to fix the crystal; in the existing die bonding chip mounter, the double swing arm structure mainly comprises the following two structures: one of the double swing arm structures is in the form of a cam mechanism and an annular first guide rail, and the double swing arm structure adopts two eccentric wheel mechanisms which are respectively connected with two swing arms through the annular first guide rail. The structure is higher than the rotating speed of the bearing at the annular first guide rail, so that the noise is high, and the Z-direction control precision of the double swing arms is low; the other double-swing-arm structure is to control the swing arm I and the swing arm II to perform Z-direction motion by using a voice coil motor/a linear motor; the voice coil motor has the advantages of simple structure, high cost and low precision; it is necessary to solve this problem.
Disclosure of Invention
The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the utility model aims to provide the double swing arm which has a simple and reliable structure, can effectively reduce cost and noise and can effectively improve operation precision.
The technical scheme for solving the technical problems is as follows: the double-swing arm comprises a motor base, a first motor, a rotating frame, a first swing arm and a second swing arm, wherein the first motor is fixedly arranged at the upper end of the motor base, the rotating frame is rotatably arranged at the lower end of the motor base, and the upper end part of the rotating frame upwards penetrates through the motor base to be connected with the output end of the motor; the first swing arm and the second swing arm are respectively arranged at two sides of the lower end part of the rotating frame, and are movably connected with the lower end part of the rotating frame;
the upper end of the motor seat is fixedly provided with a first cam mechanism, and the lower end of the motor seat is fixedly provided with a second cam mechanism; the lifting assembly is arranged in the rotating frame, the transmission ends of the first cam mechanism and the second cam mechanism are connected with the lifting assembly in the rotating frame, the lifting assembly is respectively connected with the first swing arm and the second swing arm, and the first cam mechanism drives the first swing arm to move along the Z direction of the side wall of the rotating frame through the lifting assembly; the second cam mechanism drives the second swing arm to move along the Z direction of the side wall of the rotating frame through the lifting assembly.
The beneficial effects of the utility model are as follows: the double swing arms formed by the first motor, the rotating frame, the first swing arm, the second swing arm, the first cam mechanism and the second cam mechanism are simple and reliable in structure, and cost can be effectively reduced; the noise is low in the running process; the rigid connection can effectively improve the operation precision.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the first cam mechanism comprises a second motor, a first mounting frame and a first cam assembly, the first mounting frame is fixedly arranged on the motor base, the second motor is fixedly arranged on one side of the first mounting frame, the first mounting frame is internally provided with the first cam assembly, and the output end of the second motor stretches into the first mounting frame to be connected with the first cam assembly; a first guide rail which is arranged in the Z direction is arranged on the side wall of one end of the first mounting frame far away from the second motor, a first sliding plate which can move along the first guide rail is arranged on the first guide rail, the first cam component is connected with the first sliding plate, and the output end of the second motor drives the first sliding plate to move in the Z direction through the first cam component;
the first sliding plate is provided with a first Z-axis control arm, the lower end part of the first Z-axis control arm downwards penetrates through the motor base to be connected with the lifting assembly, and the lifting assembly is driven to move in the Z direction through the first Z-axis control arm when the first sliding plate moves in the Z direction.
The beneficial effects of adopting the further scheme are as follows: the first cam mechanism is composed of the second motor, the first cam assembly, the first guide rail, the first sliding plate and the first Z-axis control arm, and is simple and reliable in structure, low in cost, accurate in operation and long in service life.
Further, the second cam mechanism comprises a third motor, a second mounting frame and a second cam assembly, the second mounting frame is fixedly arranged on the motor base, the third motor is fixedly arranged on one side of the second mounting frame, the second cam assembly is arranged in the second mounting frame, and the output end of the third motor stretches into the second mounting frame to be connected with the second cam assembly; a second guide rail which is arranged in the Z direction is arranged on the side wall of one end, far away from the third motor, of the second mounting frame, a second sliding plate which can move along the second guide rail is arranged on the second guide rail, the second cam component is connected with the second sliding plate, and the output end of the third motor drives the second sliding plate to move in the Z direction through the second cam component;
the second sliding plate is provided with a second Z-axis control arm, the lower end part of the second Z-axis control arm downwards penetrates through the motor base to be connected with the lifting assembly, and the second sliding plate drives the lifting assembly to move in the Z direction through the second Z-axis control arm when moving in the Z direction.
The beneficial effects of adopting the further scheme are as follows: the second cam mechanism formed by the third motor, the second cam assembly, the second guide rail, the second sliding plate and the second Z-axis control arm has the advantages of simple and reliable structure, low cost, accurate operation and long service life.
Further, the lifting assembly comprises a first bearing seat with a bearing and a second bearing seat with a bearing, the second bearing seat is positioned above the first bearing seat, one end part of the first bearing seat extends out of the rotating frame to be connected with the first swing arm, and the other end part of the second bearing seat extends out of the rotating frame to be connected with the second swing arm;
the bearing in the second bearing is connected with the second Z-axis control arm through a coaxial pipe; the coaxial tube is internally provided with a movable inner shaft, the upper end part of the inner shaft upwards penetrates through the coaxial tube and the second Z-axis control arm to be connected with the first Z-axis control arm, and the lower end part of the inner shaft downwards penetrates through the coaxial tube and the second bearing seat to be connected with the first bearing seat.
The beneficial effects of adopting the further scheme are as follows: the first Z-axis control arm drives the first swing arm to move in the Z direction through the inner shaft and the first bearing seat, and the second Z-axis control arm drives the first swing arm to move in the Z direction through the coaxial tube and the second bearing seat; the rotary frame can be ensured to drive the first swing arm and the second swing arm to rotate, and the rotary frame is simple and reliable in structure and can effectively reduce cost.
Further, sliding rails are arranged on side walls of the lower end portion of the rotating frame, which are close to two ends of the first swing arm and the second swing arm, and the first swing arm and the second swing arm are movably connected with the two sliding rails respectively.
The beneficial effects of adopting the further scheme are as follows: the first swing arm and the second swing arm can move along the Z direction along the two sliding rails respectively, and the moving efficiency of the first swing arm and the second swing arm is improved.
Drawings
FIG. 1 is a front view of a double swing arm of the present utility model;
FIG. 2 is a bottom view of a double swing arm according to the present utility model;
FIG. 3 is a front view of the first cam mechanism, second cam mechanism and lift assembly of the present utility model;
fig. 4 is a front view of the second motor, first mount and first cam assembly of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the device comprises a motor base, a first motor, a rotating frame, a first swing arm, a second swing arm and a second swing arm, wherein the motor base is 2, the first motor, the rotating frame, the first swing arm and the second swing arm are 3 and 4;
6. the first cam mechanism 601, the second motor 602, the first mounting frame 603, the first cam assembly 604, the first guide rail 605, the first sliding plate 606 and the first Z-axis control arm;
7. a second cam mechanism 701, a third motor 702, a second mounting rack 703, a second cam assembly 704, a second guide rail 705, a second slide plate 706, and a second Z-axis control arm;
8. a lifting assembly 801, a first bearing seat 802, a second bearing seat 803, a coaxial pipe 804 and an inner shaft;
9. a slide rail.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1 to 4, a double swing arm comprises a motor base 1, a first motor 2, a rotating frame 3, a first swing arm 4 and a second swing arm 5, wherein the first motor 2 is fixedly arranged at the upper end of the motor base 1, the rotating frame 3 is rotatably arranged at the lower end of the motor base 1, and the upper end part of the rotating frame 3 upwards penetrates through the motor base 1 to be connected with the output end of the motor; the first swing arm 4 and the second swing arm 5 are respectively arranged at two sides of the lower end part of the rotating frame 3, and the first swing arm 4 and the second swing arm 5 are movably connected with the lower end part of the rotating frame 3;
the upper end of the motor base 1 is fixedly provided with a first cam mechanism 6, and the lower end of the motor base 1 is fixedly provided with a second cam mechanism 7; a lifting assembly 8 is arranged in the rotating frame 3, the transmission ends of the first cam mechanism 6 and the second cam mechanism 7 are connected with the lifting assembly 8 in the rotating frame 3, the lifting assembly 8 is respectively connected with the first swing arm 4 and the second swing arm 5, and the first cam mechanism 6 drives the first swing arm 4 to move along the Z direction of the side wall of the rotating frame 3 through the lifting assembly 8; the second cam mechanism 7 drives the second swing arm 5 to move along the Z direction of the side wall of the rotating frame 3 through the lifting assembly 8.
In the above embodiment, the first cam mechanism 6 includes a second motor 601, a first mounting frame 602 and a first cam assembly 603, where the first mounting frame 602 is fixedly disposed on the motor base 1, the second motor 601 is fixedly disposed on one side of the first mounting frame 602, a first cam assembly 603 is disposed in the first mounting frame 602, and an output end of the second motor 601 extends into the first mounting frame 602 to be connected with the first cam assembly 603; a first guide rail 604 arranged in a Z direction is arranged on a side wall of one end of the first mounting frame 602 far away from the second motor 601, a first slide plate 605 capable of moving along the first guide rail 604 is arranged on the first guide rail 604, the first cam component 603 is connected with the first slide plate 605, and an output end of the second motor 601 drives the first slide plate 605 to move in the Z direction through the first cam component 603;
the first sliding plate 605 is provided with a first Z-axis control arm 606, the lower end of the first Z-axis control arm 606 passes through the motor base 1 downwards to be connected with the lifting assembly 8, and the first sliding plate 605 drives the lifting assembly 8 to move in the Z direction through the first Z-axis control arm 606 when moving in the Z direction.
In the above embodiment, the second cam mechanism 7 includes a third motor 701, a second mounting frame 702 and a second cam assembly 703, where the second mounting frame 702 is fixedly disposed on the motor base 1, the third motor 701 is fixedly disposed on one side of the second mounting frame 702, the second mounting frame 702 is internally provided with the second cam assembly 703, and an output end of the third motor 701 extends into the second mounting frame 702 to be connected with the second cam assembly 703; a second guide rail 704 arranged in a Z direction is arranged on a side wall of one end of the second mounting frame 702 far away from the third motor 701, a second sliding plate 705 capable of moving along the second guide rail 704 is arranged on the second guide rail 704, the second cam assembly 703 is connected with the second sliding plate 705, and the output end of the third motor 701 drives the second sliding plate 705 to move in the Z direction through the second cam assembly 703;
the second sliding plate 705 is provided with a second Z-axis control arm 706, the lower end of the second Z-axis control arm 706 passes through the motor base 1 downwards to be connected with the lifting assembly 8, and when the second sliding plate 705 moves in the Z direction, the lifting assembly 8 is driven to move in the Z direction by the second Z-axis control arm 706.
In the above embodiment, the lifting assembly 8 includes a first bearing seat 801 with a bearing and a second bearing seat 802 with a bearing, the second bearing seat 802 is located above the first bearing seat 801, one end portion of the first bearing seat 801 extends out of the rotating frame 3 to be connected with the first swing arm 4, and the other end portion of the second bearing seat 802 extends out of the rotating frame 3 to be connected with the second swing arm 5;
the bearing in the second bearing 802 is connected to the second Z-axis control arm 706 through a coaxial pipe 803; a movable inner shaft 804 is disposed in the coaxial pipe 803, an upper end portion of the inner shaft 804 passes through the coaxial pipe 803 and the second Z-axis control arm 706 upwards to be connected with the first Z-axis control arm 606, and a lower end portion of the inner shaft 804 passes through the coaxial pipe 803 and the second bearing 802 downwards to be connected with the first bearing seat 801.
In the above embodiment, the lower end portion of the rotating frame 3 is close to the side walls of two ends of the first swing arm 4 and the second swing arm 5, and the first swing arm 4 and the second swing arm 5 are respectively movably connected with two slide rails 9.
When the embodiment is implemented, the output end of the first motor 2 drives the rotating frame 3 to rotate, and the rotating frame 3 drives the first swing arm 4 and the second swing arm 5 to rotate around the lifting assembly 8 in the rotating process;
when the first cam mechanism 6 operates, the output end of the second motor 601 drives the first slide plate 605 to move along the first guide rail 604 in the Z direction through the first cam component 603, the inner shaft 804 is driven to move in the Z direction through the first Z-axis control arm 606 in the Z direction moving process of the first slide plate 605, the inner shaft 804 drives the first bearing seat 801 to move in the Z direction, and the first swing arm 4 is driven to move in the Z direction in the moving process of the first bearing seat 801;
when the second cam mechanism 7 is operated, the output end of the third motor 701 drives the second sliding plate 705 to move along the second guide rail 704 in the Z direction through the second cam assembly 703, the second sliding plate 705 drives the coaxial pipe 803 to move in the Z direction through the second Z axis control arm 706 in the Z direction moving process, the coaxial pipe 803 drives the second bearing seat 802 to move in the Z direction, and the second swing arm 5 is driven to move in the Z direction in the moving process of the second bearing seat 802.
In the embodiment, the double swing arms formed by the first motor 2, the rotating frame 3, the first swing arm 4, the second swing arm 5, the first cam mechanism 6 and the second cam mechanism 7 have simple and reliable structure, and can effectively reduce cost; the noise is low in the running process; the rigid connection can effectively improve the operation precision.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (5)
1. A double swing arm, characterized in that: the rotary rack (3) is rotatably arranged at the lower end of the motor base (1), and the upper end part of the rotary rack (3) upwards penetrates through the motor base (1) to be connected with the output end of the motor; the first swing arm (4) and the second swing arm (5) are respectively arranged at two sides of the lower end part of the rotating frame (3), and the first swing arm (4) and the second swing arm (5) are movably connected with the lower end part of the rotating frame (3);
the upper end of the motor base (1) is fixedly provided with a first cam mechanism (6), and the lower end of the motor base (1) is fixedly provided with a second cam mechanism (7); a lifting assembly (8) is arranged in the rotating frame (3), the transmission ends of the first cam mechanism (6) and the second cam mechanism (7) are connected with the lifting assembly (8) in the rotating frame (3), the lifting assembly (8) is respectively connected with the first swing arm (4) and the second swing arm (5), and the first cam mechanism (6) drives the first swing arm (4) to move along the Z direction of the side wall of the rotating frame (3) through the lifting assembly (8); the second cam mechanism (7) drives the second swing arm (5) to move along the Z direction of the side wall of the rotating frame (3) through the lifting assembly (8).
2. The double swing arm according to claim 1, wherein: the first cam mechanism (6) comprises a second motor (601), a first mounting frame (602) and a first cam component (603), wherein the first mounting frame (602) is fixedly arranged on the motor base (1), the second motor (601) is fixedly arranged on one side of the first mounting frame (602), the first mounting frame (602) is internally provided with the first cam component (603), and the output end of the second motor (601) extends into the first mounting frame (602) to be connected with the first cam component (603); a first guide rail (604) which is arranged in the Z direction is arranged on the side wall of one end, far away from the second motor (601), of the first mounting frame (602), a first sliding plate (605) which can move along the first guide rail (604) is arranged on the first guide rail (604), the first cam component (603) is connected with the first sliding plate (605), and the output end of the second motor (601) drives the first sliding plate (605) to move in the Z direction through the first cam component (603);
be provided with first Z axle control arm (606) on first slide (605), the lower tip of first Z axle control arm (606) passes downwards motor cabinet (1) is connected with lifting unit (8), first slide (605) Z is to the time of removing through first Z axle control arm (606) drive lifting unit (8) carry out Z to the removal.
3. The double swing arm according to claim 2, wherein: the second cam mechanism (7) comprises a third motor (701), a second mounting frame (702) and a second cam assembly (703), the second mounting frame (702) is fixedly arranged on the motor base (1), the third motor (701) is fixedly arranged on one side of the second mounting frame (702), the second cam assembly (703) is arranged in the second mounting frame (702), and the output end of the third motor (701) extends into the second mounting frame (702) to be connected with the second cam assembly (703); a second guide rail (704) which is arranged in a Z direction is arranged on the side wall of one end, far away from the third motor (701), of the second mounting frame (702), a second sliding plate (705) which can move along the second guide rail (704) is arranged on the second guide rail (704), the second cam assembly (703) is connected with the second sliding plate (705), and the output end of the third motor (701) drives the second sliding plate (705) to move in the Z direction through the second cam assembly (703);
the second sliding plate (705) is provided with a second Z-axis control arm (706), the lower end part of the second Z-axis control arm (706) downwards penetrates through the motor base (1) to be connected with the lifting assembly (8), and the lifting assembly (8) is driven to move in the Z direction through the second Z-axis control arm (706) when the second sliding plate (705) moves in the Z direction.
4. A double swing arm according to claim 3, wherein: the lifting assembly (8) comprises a first bearing seat (801) with a bearing and a second bearing seat (802) with a bearing, the second bearing seat (802) is positioned above the first bearing seat (801), one end part of the first bearing seat (801) extends out of the rotating frame (3) to be connected with the first swing arm (4), and the other end part of the second bearing seat (802) extends out of the rotating frame (3) to be connected with the second swing arm (5);
the bearing in the second bearing (802) is connected with the second Z-axis control arm (706) through a coaxial pipe (803); a movable inner shaft (804) is arranged in the coaxial tube (803), the upper end part of the inner shaft (804) upwards penetrates through the coaxial tube (803) and the second Z-axis control arm (706) to be connected with the first Z-axis control arm (606), and the lower end part of the inner shaft (804) downwards penetrates through the coaxial tube (803) and the second bearing (802) to be connected with the first bearing seat (801).
5. The double swing arm according to claim 1, wherein: the lower end part of the rotating frame (3) is close to the side walls of the two ends of the first swing arm (4) and the second swing arm (5), sliding rails (9) are arranged on the side walls of the two ends of the first swing arm (4) and the second swing arm (5), and the first swing arm (4) and the second swing arm (5) are movably connected with the two sliding rails (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320571800.3U CN220651956U (en) | 2023-03-22 | 2023-03-22 | Double-swing arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320571800.3U CN220651956U (en) | 2023-03-22 | 2023-03-22 | Double-swing arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651956U true CN220651956U (en) | 2024-03-22 |
Family
ID=90265101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320571800.3U Active CN220651956U (en) | 2023-03-22 | 2023-03-22 | Double-swing arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651956U (en) |
-
2023
- 2023-03-22 CN CN202320571800.3U patent/CN220651956U/en active Active
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