CN219019144U - Limiting structure for laser drilling of circuit board - Google Patents
Limiting structure for laser drilling of circuit board Download PDFInfo
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- CN219019144U CN219019144U CN202222606685.7U CN202222606685U CN219019144U CN 219019144 U CN219019144 U CN 219019144U CN 202222606685 U CN202222606685 U CN 202222606685U CN 219019144 U CN219019144 U CN 219019144U
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Abstract
The utility model discloses a limit structure for laser drilling of a circuit board, which relates to the field of circuit boards and comprises a support frame, wherein the support frame is provided with a first bidirectional screw and a second bidirectional screw, the support frame is provided with a driving mechanism for driving the first bidirectional screw and the second bidirectional screw, the first bidirectional screw and the second bidirectional screw are respectively provided with a first movable seat and a second movable seat, a first platform and a second platform are symmetrically arranged in a limit cavity, two ends of the bottom surface of the first platform are respectively arranged on the first movable seat, two ends of the bottom surface of the second platform are respectively arranged on the second movable seat, the upper surfaces of the first platform and the second platform are respectively provided with a first guide rail, a first sliding block and a second sliding block are symmetrically arranged on the first guide rails, the upper surface of the first sliding block is provided with a first limit block, and the upper surface of the second sliding block is provided with a second limit block. The limiting block at the upper end of the sliding block limits four ends of the circuit board, the sliding block is convenient to adjust in position, the distance between the first platform and the second platform is adjustable, and the sliding block can adapt to circuit boards with various specifications.
Description
Technical Field
The utility model relates to the field of circuit boards, in particular to a limit structure for laser drilling of a circuit board.
Background
Laser drilling is the laser processing technology that has reached practical use at the earliest, and is one of the main application fields of laser processing. With the rapid development of modern industry and scientific technology, more and more materials with high hardness and high melting point are used, and the traditional processing method cannot meet certain process requirements. The task of machining is carried out by conventional machiningThe laser beam is highly concentrated in space and time, and the spot diameter can be reduced to the order of microns by focusing with a lens to obtain a beam diameter of 105-1015W/cm 2 Is provided.
The existing circuit board is mostly processed by laser equipment. When needing to carry out laser pore-forming to different specification base plates, use customization frock centre gripping product to carry out laser pore-forming processing and be fairly inconvenient, every specification all need change one set of frock, are difficult to fix a position the circuit board of different length and width, and device adaptability is relatively poor, is difficult to satisfy actual need.
Disclosure of Invention
The utility model aims to provide a limit structure for laser drilling of a circuit board, so as to solve the problems in the background technology.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a limit structure for laser drilling of circuit board, includes the support frame, the support frame is equipped with spacing chamber, spacing intracavity parallel is equipped with first two-way lead screw and second two-way lead screw, support frame one end is equipped with the synchronous pivoted actuating mechanism of drive first two-way lead screw and second two-way lead screw, first two-way lead screw and the equal symmetry of second two-way lead screw are equipped with first screw thread section and second screw thread section, spacing intracavity symmetry is equipped with first platform and second platform, first platform bottom surface both ends all are equipped with the first movable seat of being connected with first screw thread section one-to-one, second platform bottom surface both ends all are equipped with the second movable seat of being connected with second screw thread section one-to-one, first platform and second platform upper surface all are equipped with first guide rail, each on the first guide rail all symmetry be equipped with first slider and second slider, first slider upper surface is equipped with first stopper, second slider upper surface is equipped with the second stopper, first stopper and second stopper symmetry set up. Limiting blocks at the upper ends of the four sliding blocks limit the four ends of the circuit board, so that the circuit board can be limited on the supporting frame, the sliding block position is convenient to adjust, the driving mechanism is used for adjusting the distance between the first platform and the second platform, the circuit board with various specifications can be adapted, the use flexibility is good, and the practicability is improved.
Further, the first platform bottom surface is equipped with first cylinder, the second platform bottom surface is equipped with the second cylinder, the axis of first cylinder and second cylinder all is perpendicular to the plane that first platform was located, the piston rod of first cylinder is equipped with first briquetting, first briquetting sets up in first platform top, the piston rod of second cylinder is equipped with the second briquetting, the second briquetting sets up in the second platform top. The first cylinder is used for adjusting the interval between the first pressing block and the first platform, the second cylinder is used for adjusting the interval between the second pressing block and the second platform, and the first pressing block and the second pressing block limit the height direction of the circuit board, so that the circuit board is prevented from shifting and then falling from the sliding block.
Further, the upper surfaces of the first platform and the second platform are provided with fixing seats, the lower ends of the fixing seats are provided with penetrating grooves for the first guide rails to penetrate, the upper ends of the fixing seats are provided with supporting platforms, and the plane where the supporting platforms are located is coplanar with the upper surface of the first sliding block. The first cylinder is used for adjusting the interval between the first pressing block and the fixing base, the second cylinder is used for adjusting the interval between the second pressing block and the fixing base, one end of the circuit board is clamped through the fixing base and the first pressing block, the other end of the circuit board is clamped through the fixing base and the second pressing block, and the circuit board is fixed on the first platform and the second platform.
Further, actuating mechanism includes servo motor, main sprocket, driven sprocket and drive chain, the concave electric chamber that is equipped with in support frame one end, electric intracavity is equipped with servo motor, servo motor's output shaft is equipped with main sprocket, first two-way lead screw and the two-way lead screw one end of second run through in electric intracavity, first two-way lead screw all is equipped with driven sprocket with two-way lead screw one end, main sprocket passes through drive chain transmission with driven sprocket and is connected. The servo motor is used for driving the main chain wheel to rotate forward or reversely, the main chain wheel drives the two driven chain wheels to rotate synchronously through the transmission chain, the first bidirectional screw rod and the second bidirectional screw rod are capable of following the two driven chain wheels to rotate synchronously, the rotation directions of the first bidirectional screw rod and the second bidirectional screw rod are the same, and the positions of the first movable seat and the second movable seat are adjusted through the first bidirectional screw rod and the second bidirectional screw rod.
Further, the first slider and the second slider all include the slider body, the slider body slides and sets up on first guide rail, the guide way with first guide rail clearance fit has been seted up to slider body lower extreme, rectangular channel has been seted up at slider body side middle part, rectangular channel lower extreme and guide way intercommunication, be equipped with in the rectangular channel and support the top and insert, support the top and insert the upper end run through be equipped with slider body threaded connection's mounting screw, support the top and insert the lower extreme and set up relatively with first guide rail. The upper end of the propping insert is connected with the slider body through the mounting screw, after the mounting screw is screwed, the upper end of the propping insert is tightly attached to the inner wall of the rectangular groove, the lower end of the propping insert is attached to the side face of the first guide rail, and pressure is applied to the side face of the first guide rail through the lower end of the propping insert, so that the slider body is fixed on the first guide rail.
Further, a long groove is formed between the first bidirectional screw rod and the second bidirectional screw rod, the long groove axially extends along the first bidirectional screw rod, and the lower ends of the first air cylinder and the second air cylinder are arranged in the long groove. The long strip groove is used for accommodating the lower parts of the first cylinder and the second cylinder, and limiting the moving range of the first cylinder and the second cylinder through the long strip groove, so that the moving range of the first platform and the second platform is limited.
Further, the connecting seat is detachably arranged at the lower ends of the first air cylinder and the second air cylinder, the second guide rail is arranged at the bottom of the long strip groove, and the connecting seat is slidably arranged on the second guide rail. The connecting seat is fixed at the lower ends of the first cylinder and the second cylinder through bolts, and the connecting seat is matched with the second guide rail to guide the first cylinder and the second cylinder.
Further, sliding rails are arranged on two sides of the first bidirectional screw rod and the second bidirectional screw rod, and sliding grooves in clearance fit with the sliding rails are formed in two ends of the bottom surfaces of the first movable seat and the second movable seat. The first movable seat is guided by the sliding rail matched with the sliding groove, the second movable seat is guided by the sliding rail matched with the sliding groove, and the stability of the first movable seat and the second movable seat during movement is improved.
Further, the first limiting block and the second limiting block are L-shaped blocks, countersunk head screws are connected with the first sliding block and the second sliding block in a threaded mode, and countersunk head holes corresponding to the countersunk head screws one to one are formed in the two ends of the first limiting block and the two ends of the second limiting block. The first limiting block is detachably mounted on the first sliding block, the second limiting block is detachably mounted on the second sliding block, the first limiting block and the second limiting block are convenient to assemble, disassemble and replace, limiting blocks of different shape specifications can be replaced, and the circuit board assembling device is suitable for different circuit boards.
Further, be connected with main organ cover between first platform and the second platform, the one end that main organ cover was kept away from to first platform and second platform all is connected with vice organ cover, the one end that main organ cover was kept away from to vice organ cover can dismantle the setting on spacing intracavity wall. The first lead screw and the second lead screw in the limiting cavity are protected through the main organ cover and the auxiliary organ cover, and the service life is prolonged.
The beneficial effects of the utility model are as follows: limiting blocks at the upper ends of the four sliding blocks limit the four ends of the circuit board, so that the circuit board can be limited on the supporting frame, the sliding block position is convenient to adjust, the driving mechanism is used for adjusting the distance between the first platform and the second platform, the circuit board with various specifications can be adapted, the use flexibility is good, and the practicability is improved.
Drawings
The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.
Fig. 1 is a schematic structural diagram of a limiting structure for laser drilling of a circuit board according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a first movable seat according to an embodiment of the present utility model;
FIG. 3 is a schematic structural diagram of a first slider according to an embodiment of the present utility model;
fig. 4 is a bottom view of a connecting seat according to an embodiment of the utility model.
Reference numerals: the device comprises a support frame 1, a limiting cavity 2, an electric cavity 3, a first bidirectional screw 4, a second bidirectional screw 5, a driving mechanism 6, a first platform 7, a second platform 8, a first guide rail 9, a first sliding block 10, a second sliding block 11, a first limiting block 12 and a second limiting block 13.
Description of the embodiments
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present utility model, unless otherwise specified, terms such as "up, down, left, and right" are used to generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to inner and outer on a particular contour. "distal" and "proximal" refer to both distal and proximal relative to a component.
As shown in fig. 1-4, the limit structure for laser drilling of a circuit board provided by an embodiment of the utility model comprises a support frame 1, wherein the support frame 1 is provided with a limit cavity 2, a first bidirectional screw 4 and a second bidirectional screw 5 are arranged in parallel in the limit cavity 2, one end of the support frame 1 is provided with a driving mechanism 6 for driving the first bidirectional screw 4 and the second bidirectional screw 5 to synchronously rotate, the first bidirectional screw 4 and the second bidirectional screw 5 are symmetrically provided with a first thread section and a second thread section, the limit cavity 2 is symmetrically provided with a first platform 7 and a second platform 8, two ends of the bottom surface of the first platform 7 are respectively provided with a first movable seat connected with the first thread section in a one-to-one correspondence manner, two ends of the bottom surface of the second platform 8 are respectively provided with a second movable seat connected with the second thread section in a one-to-one correspondence manner, the upper surfaces of the first platform 7 and the second platform 8 are respectively provided with a first guide rail 9, each first guide rail 9 is symmetrically provided with a first slider 10 and a second slider 11, the upper surface of the first slider 10 is provided with a first slider 12, and the second slider 13 is symmetrically provided with a second stopper 13. Limiting blocks at the upper ends of the four sliding blocks limit the four ends of the circuit board, so that the circuit board can be limited on the supporting frame 1, the sliding block position is convenient to adjust, the driving mechanism 6 is used for adjusting the distance between the first platform 7 and the second platform 8, the circuit board with various specifications can be adapted, the use flexibility is good, and the practicability is improved.
The bottom surface of the first platform 7 is provided with a first air cylinder, the bottom surface of the second platform 8 is provided with a second air cylinder, the axes of the first air cylinder and the second air cylinder are perpendicular to the plane where the first platform 7 is located, a piston rod of the first air cylinder is provided with a first pressing block, the first pressing block is arranged above the first platform 7, a piston rod of the second air cylinder is provided with a second pressing block, and the second pressing block is arranged above the second platform 8. The first cylinder is used for adjusting the interval between the first pressing block and the first platform 7, the second cylinder is used for adjusting the interval between the second pressing block and the second platform 8, and the first pressing block and the second pressing block limit the height direction of the circuit board, so that the circuit board is prevented from shifting and then falling from the sliding block.
The upper surfaces of the first platform 7 and the second platform 8 are provided with fixing seats, the lower ends of the fixing seats are provided with penetrating grooves for the first guide rails 9 to penetrate, the upper ends of the fixing seats are provided with supporting platforms, and the plane where the supporting platforms are located is coplanar with the upper surface of the first sliding block 10. The first cylinder is used for adjusting the interval between the first pressing block and the fixing base, the second cylinder is used for adjusting the interval between the second pressing block and the fixing base, one end of the circuit board is clamped through the fixing base and the first pressing block, the other end of the circuit board is clamped through the fixing base and the second pressing block, and the circuit board is fixed on the first platform 7 and the second platform 8.
The driving mechanism 6 comprises a servo motor, a main chain wheel, a driven chain wheel and a transmission chain, wherein an electric cavity 3 is concavely arranged at one end of the supporting frame 1, the servo motor is arranged in the electric cavity 3, the main chain wheel is arranged on an output shaft of the servo motor, one ends of the first bidirectional screw 4 and the second bidirectional screw 5 penetrate through the electric cavity 3, the driven chain wheels are respectively arranged at one ends of the first bidirectional screw 4 and the second bidirectional screw 5, and the main chain wheels are in transmission connection with the driven chain wheels through the transmission chain. The servo motor is used for driving the main chain wheel to rotate forward or reversely, the main chain wheel drives the two driven chain wheels to rotate synchronously through the transmission chain, the first bidirectional screw 4 and the second bidirectional screw 5 are driven to rotate synchronously along with the two driven chain wheels, the rotation directions of the first bidirectional screw 4 and the second bidirectional screw 5 are the same, and the positions of the first movable seat and the second movable seat are adjusted through the first bidirectional screw 4 and the second bidirectional screw 5.
The first slider 10 and the second slider 11 all include the slider body, the slider body slides and sets up on first guide rail 9, the guide way with first guide rail 9 clearance fit has been seted up to slider body lower extreme, rectangular channel has been seted up at slider body side middle part, rectangular channel lower extreme and guide way intercommunication, be equipped with the butt in the rectangular channel and insert, the butt insert upper end runs through be equipped with slider body threaded connection's mounting screw, the butt insert lower extreme sets up with first guide rail 9 relatively. The upper end of the propping insert is connected with the sliding block body through a mounting screw, after the mounting screw is screwed, the upper end of the propping insert is tightly attached to the inner wall of the rectangular groove, the lower end of the propping insert is attached to the side face of the first guide rail 9, and pressure is applied to the side face of the first guide rail 9 through the lower end of the propping insert, so that the sliding block body is fixed on the first guide rail 9.
The long groove is arranged between the first bidirectional screw rod 4 and the second bidirectional screw rod 5, the long groove extends along the axial direction of the first bidirectional screw rod 4, and the lower ends of the first cylinder and the second cylinder are arranged in the long groove. The long strip groove is used for accommodating the lower parts of the first cylinder and the second cylinder, and limiting the moving range of the first cylinder and the second cylinder through the long strip groove, so that the moving range of the first platform 7 and the second platform 8 is limited.
The connecting seat is arranged at the lower ends of the first cylinder and the second cylinder in a detachable mode, the second guide rail is arranged at the bottom of the long groove, and the connecting seat is arranged on the second guide rail in a sliding mode. The connecting seat is fixed at the lower ends of the first cylinder and the second cylinder through bolts, and the connecting seat is matched with the second guide rail to guide the first cylinder and the second cylinder.
The two sides of the first bidirectional screw rod 4 and the second bidirectional screw rod 5 are respectively provided with a sliding rail, and the two ends of the bottom surfaces of the first movable seat and the second movable seat are respectively provided with a sliding groove in clearance fit with the sliding rails. The first movable seat is guided by the sliding rail matched with the sliding groove, the second movable seat is guided by the sliding rail matched with the sliding groove, and the stability of the first movable seat and the second movable seat during movement is improved.
The first limiting block 12 and the second limiting block 13 are L-shaped blocks, countersunk head screws are connected with the first sliding block 10 and the second sliding block 11 in a threaded mode, and countersunk head holes corresponding to the countersunk head screws one by one are formed in the two ends of the first limiting block 12 and the two ends of the second limiting block 13. The first limiting block 12 is detachably mounted on the first sliding block 10, the second limiting block 13 is detachably mounted on the second sliding block 11, the first limiting block 12 and the second limiting block 13 are convenient to disassemble, assemble and replace, limiting blocks of different shapes and specifications can be replaced, and different circuit boards are adapted.
The main organ cover is connected between the first platform 7 and the second platform 8, one ends of the first platform 7 and the second platform 8, which are far away from the main organ cover, are both connected with the auxiliary organ cover, and one ends of the auxiliary organ cover, which are far away from the main organ cover, are detachably arranged on the inner wall of the limiting cavity 2. The first lead screw and the second lead screw in the limiting cavity 2 are protected through the main organ cover and the auxiliary organ cover, and the service life is prolonged.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A limit structure for laser drilling of a circuit board is characterized in that: including the support frame, the support frame is equipped with spacing chamber, spacing intracavity parallel is equipped with first two-way lead screw and second two-way lead screw, support frame one end is equipped with the actuating mechanism of the synchronous pivoted of first two-way lead screw and second two-way lead screw of drive, first two-way lead screw and the equal symmetry of second two-way lead screw are equipped with first screw thread section and second screw thread section, spacing intracavity symmetry is equipped with first platform and second platform, first platform bottom surface both ends all are equipped with the first movable seat of being connected with first screw thread section one-to-one, second platform bottom surface both ends all are equipped with the second movable seat of being connected with second screw thread section one-to-one, first platform and second platform upper surface all are equipped with first guide rail, every all symmetry is equipped with first slider and second slider on the first guide rail, first slider upper surface is equipped with the second stopper, first stopper and second stopper symmetry set up.
2. The limit structure for laser drilling of the circuit board according to claim 1, wherein: the first platform bottom surface is equipped with first cylinder, the second platform bottom surface is equipped with the second cylinder, the axis of first cylinder and second cylinder all is perpendicular to the plane that first platform was located, the piston rod of first cylinder is equipped with first briquetting, first briquetting sets up in first platform top, the piston rod of second cylinder is equipped with the second briquetting, the second briquetting sets up in the second platform top.
3. The limit structure for laser drilling of the circuit board according to claim 1, wherein: the first platform and the second platform upper surface are equipped with the fixing base, the penetrating groove that supplies first guide rail to run through is seted up to the fixing base lower extreme, the fixing base upper end is equipped with supporting platform, supporting platform's plane and first slider upper surface coplane.
4. The limit structure for laser drilling of the circuit board according to claim 2, wherein: the driving mechanism comprises a servo motor, a main chain wheel, a driven chain wheel and a transmission chain, wherein an electric cavity is concavely arranged at one end of the support frame, the servo motor is arranged in the electric cavity, the main chain wheel is arranged on an output shaft of the servo motor, one ends of a first bidirectional screw rod and a second bidirectional screw rod penetrate through the electric cavity, the driven chain wheels are respectively arranged at one ends of the first bidirectional screw rod and the second bidirectional screw rod, and the main chain wheels are in transmission connection with the driven chain wheels through the transmission chain.
5. The limit structure for laser drilling of the circuit board according to claim 1, wherein: the first slider and the second slider all include the slider body, the slider body slides and sets up on first guide rail, the guide way with first guide rail clearance fit has been seted up to slider body lower extreme, rectangular channel has been seted up at slider body side middle part, rectangular channel lower extreme and guide way intercommunication, be equipped with in the rectangular channel and support the top and insert, support the top insert upper end run through be equipped with slider body threaded connection's mounting screw, support the top insert lower extreme and set up relatively with first guide rail.
6. The limit structure for laser drilling of the circuit board according to claim 4, wherein: a long groove is formed between the first bidirectional screw rod and the second bidirectional screw rod, the long groove axially extends along the first bidirectional screw rod, and the lower ends of the first air cylinder and the second air cylinder are arranged in the long groove.
7. The limit structure for laser drilling of the circuit board according to claim 6, wherein: the connecting seat is arranged at the lower ends of the first cylinder and the second cylinder in a detachable mode, the second guide rail is arranged at the bottom of the long groove, and the connecting seat is arranged on the second guide rail in a sliding mode.
8. The limit structure for laser drilling of the circuit board according to claim 1, wherein: the sliding rails are arranged on two sides of the first bidirectional screw rod and the second bidirectional screw rod, and sliding grooves which are in clearance fit with the sliding rails are formed in two ends of the bottom surfaces of the first movable seat and the second movable seat.
9. The limit structure for laser drilling of the circuit board according to claim 1, wherein: the first limiting block and the second limiting block are L-shaped blocks, countersunk head screws are connected with the first sliding block and the second sliding block in a threaded mode, and countersunk head holes corresponding to the countersunk head screws one to one are formed in the two ends of the first limiting block and the two ends of the second limiting block.
10. The limit structure for laser drilling of the circuit board according to claim 1, wherein: the main organ cover is connected between the first platform and the second platform, the auxiliary organ cover is connected with one ends of the first platform and the second platform, which are far away from the main organ cover, and one ends of the auxiliary organ cover, which are far away from the main organ cover, are detachably arranged on the inner wall of the limiting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222606685.7U CN219019144U (en) | 2022-09-30 | 2022-09-30 | Limiting structure for laser drilling of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222606685.7U CN219019144U (en) | 2022-09-30 | 2022-09-30 | Limiting structure for laser drilling of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219019144U true CN219019144U (en) | 2023-05-12 |
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ID=86251245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222606685.7U Active CN219019144U (en) | 2022-09-30 | 2022-09-30 | Limiting structure for laser drilling of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219019144U (en) |
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2022
- 2022-09-30 CN CN202222606685.7U patent/CN219019144U/en active Active
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