CN219096228U - PCB half tone fixing device with adjustable - Google Patents
PCB half tone fixing device with adjustable Download PDFInfo
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- CN219096228U CN219096228U CN202223487425.9U CN202223487425U CN219096228U CN 219096228 U CN219096228 U CN 219096228U CN 202223487425 U CN202223487425 U CN 202223487425U CN 219096228 U CN219096228 U CN 219096228U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Screen Printers (AREA)
Abstract
The utility model relates to the technical field of printed circuit manufacturing, in particular to an adjustable PCB screen plate fixing device, wherein the output end of a first driving piece is connected with the center of a turntable, the first driving piece is used for driving the turntable to rotate around the central axis of the turntable, a square mounting frame is fixedly connected with the turntable, two supporting plates are slidably arranged at the opposite ends of the square mounting frame, a second driving piece is connected with the two supporting plates to drive the two supporting plates to move relatively, four compression modules are slidably arranged at the opposite ends of the two supporting plates respectively, two connecting rods are respectively arranged between the opposite ends of the two supporting plates in a straddling way and are in sliding connection with the two compression modules, a third driving piece is fixedly connected with the turntable, and the third driving piece is connected with the two connecting rods to drive the two connecting rods to move relatively. The problem that the prior art fixing device does not have the function of effectively fixing the screen plates with different sizes is solved.
Description
Technical Field
The utility model relates to the technical field of printed circuit manufacturing, in particular to an adjustable PCB screen plate fixing device.
Background
The screen printing plate is mainly used in the processes of solder resist and character screen printing in PCB production, and consists of a screen frame and screen yarns, such as the patent document with the application number of 201220676875.X, in the prior art, a pattern is transferred onto the screen printing plate through a film, and maintenance (such as blurring and incomplete pattern) is needed before the screen printing plate is produced, and the screen printing plate is generally needed to be fixed during detection through a screen printing detector, so that the detection is convenient, the screen printing plate is needed to be repaired manually after the detection is finished, the screen printing plate is needed to be fixed in the process, and the detection and repair errors caused by the movement of the screen printing plate in the maintenance process are prevented, however, the traditional fixing device has a single fixing mode and does not have the function of effectively fixing the screen printing plates with different sizes.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an adjustable PCB screen plate fixing device, which solves the problem that the prior fixing device in the prior art cannot effectively fix screens with different sizes.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides an adjustable PCB screen plate fixing device, which comprises:
the rotating mechanism comprises a first driving piece and a rotary table, wherein the output end of the first driving piece is connected with the center of the rotary table, and the first driving piece is used for driving the rotary table to rotate around the central axis of the rotary table;
the adjusting mechanism comprises a square mounting frame fixedly connected with the turntable, two supporting plates arranged at the two opposite ends of the square mounting frame in a sliding manner, and a second driving piece arranged in the square mounting frame, wherein the second driving piece is connected with the two supporting plates and is used for driving the two supporting plates to move relatively; and
the fixing mechanism comprises four compression modules, two connecting rods and a third driving piece, wherein the four compression modules are respectively arranged at two opposite ends of the supporting plate in a sliding mode, the two connecting rods are respectively arranged between two opposite ends of the supporting plate in a straddling mode and are respectively connected with the two compression modules in a sliding mode, the third driving piece is fixedly connected with the turntable, the third driving piece is connected with the two connecting rods, and the third driving piece is used for driving the two connecting rods to move relatively.
In some embodiments, the first driving member includes a bottom plate, a rotation shaft, a gear motor and a chain, the rotation shaft is rotationally connected with the bottom plate, one end of the rotation shaft is fixedly connected with the turntable, the gear motor is connected with the bottom plate, a driving sprocket is fixedly arranged on an output shaft of the gear motor, a driven sprocket is fixedly arranged on the other end of the rotation shaft, and the chain is connected between the driving sprocket and the driven sprocket.
In some embodiments, the second driving piece includes set firmly in the first biax motor in square installing frame middle part, and two first threaded rods, two the one end of first threaded rod respectively with two output shafts fixed connection of first biax motor, the other end respectively with the opposite both ends of square installing frame rotate and be connected, and two the two screw thread portions of first threaded rod are reverse setting, two the first threaded rod respectively with two the backup pad rotates to be connected.
In some embodiments, the pressing module includes a base, and at least one clamping member disposed on the base, where the clamping member is configured to clamp one side of the PCB screen, one side of the base is slidably connected to one end of the support plate, and the other side of the base is slidably connected to the connecting rod.
In some embodiments, the clamping member includes a telescopic portion fixedly arranged on the base, and a hook plate hinged to the base, wherein an output end of the telescopic portion is hinged to one end of the hook plate, and a clamping space for clamping the PCB screen is formed between the other end of the hook plate and the top surface of the base.
In some embodiments, two side plates are fixedly connected to the turntable, the two side plates are positioned on two opposite sides of the square mounting frame, and L-shaped connecting plates are fixedly arranged on the two side plates;
the third driving piece comprises a second double-shaft motor and two second threaded rods, wherein the second double-shaft motor is fixedly arranged between two side plates and is positioned above the square mounting frame, two output shafts of the second double-shaft motor are fixedly connected with two ends of the second threaded rods respectively, the other ends of the second threaded rods are connected with two L-shaped connecting plates in a rotating mode respectively, two threaded portions of the second threaded rods are arranged in a reverse mode, and the second threaded rods are connected with two connecting rods in a rotating mode respectively.
In some embodiments, the bottom plate is provided with a limiting part, a plurality of clamping grooves are formed in the circumference of the turntable at intervals, and the limiting part can be inserted into any clamping groove to limit the turntable to rotate around the axis of the turntable.
In some embodiments, the gear motor is fixedly provided with a connecting seat, the connecting seat is in sliding connection with a bottom plate, the bottom plate is provided with a limiting piece which is abutted to the connecting seat, and the limiting piece is used for adjusting the distance between the connecting seat and the rotating shaft.
In some embodiments, the limiting piece comprises a vertical plate fixedly connected with the bottom plate, and a limiting screw rod rotatably connected with the vertical plate, and one end of the limiting screw rod can be abutted against the connecting seat.
In some embodiments, the telescoping portion is an electric push rod, a pneumatic cylinder, or a hydraulic cylinder.
Compared with the prior art, the adjustable PCB screen plate fixing device is fixedly connected with the turntable through the square mounting frame, the two supporting plates are slidably arranged at the opposite ends of the square mounting frame, the second driving piece is connected with the two supporting plates to drive the two supporting plates to move relatively, the four pressing modules are slidably arranged at the opposite ends of the two supporting plates respectively, the two connecting rods are respectively arranged between the opposite ends of the two supporting plates in a straddling manner and are slidably connected with the two pressing modules, the third driving piece is fixedly connected with the turntable, the third driving piece is connected with the two connecting rods to drive the two connecting rods to move relatively, the operation is simple, the positions of the four pressing modules can be adjusted through the second driving piece and the third driving piece, the four pressing modules can fix PCB screens with different sizes conveniently, the application range is wide, and the adjustable PCB screen plate fixing device is convenient to widely popularize and apply.
Drawings
FIG. 1 is a schematic diagram of an adjustable PCB screen fixing device according to the present utility model;
FIG. 2 is a front view of an adjustable PCB screen fixture of the present utility model;
fig. 3 is an enlarged schematic view of a in fig. 1.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In this embodiment, an adjustable PCB screen fixing device includes a rotating mechanism 1, an adjusting mechanism 2, and a fixing mechanism 3, where the rotating mechanism 1 includes a first driving member 11 and a turntable 12, an output end of the first driving member 11 is connected to a center of the turntable 12, and the first driving member 11 is used to drive the turntable 12 to rotate around its central axis; the adjusting mechanism 2 comprises a square mounting frame 21 fixedly connected with the turntable 12, two support plates 22 slidably arranged at two opposite ends of the square mounting frame 21, and a second driving piece 23 arranged in the square mounting frame 21, wherein the second driving piece 23 is connected with the two support plates 22, and the second driving piece 23 is used for driving the two support plates 22 to move relatively; the fixing mechanism 3 includes four compressing modules 31, two connecting rods 32 and a third driving member 33, the four compressing modules 31 are respectively slidably disposed at two opposite ends of the two supporting plates 22, the two connecting rods 32 are respectively disposed between two opposite ends of the two supporting plates 22, and are slidably connected with the two compressing modules 31, the third driving member 33 is fixedly connected with the turntable 12, and the third driving member 33 is connected with the two connecting rods 32, and the third driving member 33 is used for driving the two connecting rods 32 to move relatively.
In the in-service use process, through the relative motion of two backup pads 22 of second driving piece 23 drive, the relative motion of two connecting rods 32 of third driving piece 33 drive, alright four compression module 31's position of adjusting, make things convenient for four compression module 31 to fix the PCB half tone of equidimension, simultaneously, first driving piece 11 drive carousel 12 rotates, makes things convenient for the operating personnel to overhaul the PCB half tone.
Specifically, the first driving member 11 includes a base plate 111, a rotating shaft 112, a gear motor 113 and a chain 114, the rotating shaft 112 is rotationally connected with the base plate 111, one end of the rotating shaft 112 is fixedly connected with the turntable 12, the gear motor 113 is connected with the base plate 111, a driving sprocket is fixedly arranged on an output shaft of the gear motor 113, a driven sprocket is fixedly arranged on the other end of the rotating shaft, and the chain 114 is connected between the driving sprocket and the driven sprocket.
On the basis of the above scheme, the gear motor 113 is fixedly provided with the connecting seat 116, the connecting seat 116 is slidably connected with the bottom plate 111, the bottom plate 111 is provided with the positioning piece 110 abutted against the connecting seat 116, and the positioning piece 110 is used for adjusting the distance between the connecting seat 116 and the rotating shaft 112.
It should be noted that, by adjusting the distance between the connecting seat 116 and the rotating shaft 112 by the positioning member 110, the tensioning force of the chain 114 between the driving sprocket and the driven sprocket can be ensured.
Specifically, the positioning member 110 includes a riser fixedly connected to the bottom plate 111, and a limit screw rotatably connected to the riser, and one end of the limit screw may abut against the connection seat 116. One end of the limiting screw rod can be abutted against the connecting seat 116 by rotating the limiting screw rod, and in this embodiment, the number of the positioning members 110 is two.
In this embodiment, the second driving member 23 includes a first dual-shaft motor 231 fixed in the middle of the square mounting frame 21, and two first threaded rods 232, one ends of the two first threaded rods 232 are respectively fixedly connected with two output shafts of the first dual-shaft motor 231, the other ends of the two first threaded rods 232 are respectively rotatably connected with two opposite ends of the square mounting frame 21, and two threaded portions of the two first threaded rods 232 are reversely arranged, and the two first threaded rods 232 are respectively rotatably connected with two support plates 22.
Specifically, the pressing module 31 includes a base 311, and at least one clamping member 312 disposed on the base 311, where the clamping member 312 can be used to clamp one side of the PCB screen, one side of the base 311 is slidably connected to one end of the support plate 22, and the other side of the base 311 is slidably connected to the connecting rod 32.
Further, the clamping member 312 includes a telescopic portion 3121 fixedly disposed on the base 311, and a hook plate 3122 hinged to the base 311, wherein an output end of the telescopic portion 3121 is hinged to one end of the hook plate 3122, and a clamping space for clamping the PCB screen is formed between the other end of the hook plate 3122 and the top surface of the base 311. The telescopic portion 3121 is an electric push rod, and may be a pneumatic cylinder or a hydraulic cylinder.
It should be noted that, two side plates 121 are fixedly connected to the turntable 12, the two side plates 121 are located at opposite sides of the square mounting frame 21, and the two side plates 121 are both provided with an L-shaped connecting plate 122; the third driving member 33 includes a second dual-axis motor 331 and two second threaded rods 332, the second dual-axis motor 331 is fixedly disposed between the two side plates 121 and above the square mounting frame 21, two output shafts of the second dual-axis motor 331 are fixedly connected with one ends of the two second threaded rods 332, the other ends of the two second threaded rods 332 are rotatably connected with the two L-shaped connecting plates 122, two threaded portions of the two second threaded rods 332 are reversely disposed, and the two second threaded rods 332 are rotatably connected with the two connecting rods 32.
On the basis of the scheme, the bottom plate 111 is provided with the limiting pieces 115, the circumference of the turntable 12 is provided with the clamping grooves 120 at intervals, and the limiting pieces 115 can be inserted into any clamping groove 120 to limit the turntable 12 to rotate around the axis of the turntable.
Specifically, the limiting member 115 may be a limiting block fixed on the bottom plate 111, and a limiting rod rotationally connected with the threads of the limiting block, and one end of the limiting rod may be inserted into any slot 120 by rotating the limiting rod.
The beneficial effects are that:
compared with the prior art, the adjustable PCB screen plate fixing device is fixedly connected with the turntable through the square mounting frame, the two supporting plates are slidably arranged at the opposite ends of the square mounting frame, the second driving piece is connected with the two supporting plates to drive the two supporting plates to move relatively, the four pressing modules are slidably arranged at the opposite ends of the two supporting plates respectively, the two connecting rods are respectively arranged between the opposite ends of the two supporting plates in a straddling manner and are slidably connected with the two pressing modules, the third driving piece is fixedly connected with the turntable, the third driving piece is connected with the two connecting rods to drive the two connecting rods to move relatively, the operation is simple, the positions of the four pressing modules can be adjusted through the second driving piece and the third driving piece, the four pressing modules can fix PCB screens with different sizes conveniently, the application range is wide, and the adjustable PCB screen plate fixing device is convenient to widely popularize and apply.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (10)
1. An adjustable PCB screen fixing device, comprising:
the rotating mechanism comprises a first driving piece and a rotary table, wherein the output end of the first driving piece is connected with the center of the rotary table, and the first driving piece is used for driving the rotary table to rotate around the central axis of the rotary table;
the adjusting mechanism comprises a square mounting frame fixedly connected with the turntable, two supporting plates arranged at the two opposite ends of the square mounting frame in a sliding manner, and a second driving piece arranged in the square mounting frame, wherein the second driving piece is connected with the two supporting plates and is used for driving the two supporting plates to move relatively; and
the fixing mechanism comprises four compression modules, two connecting rods and a third driving piece, wherein the four compression modules are respectively arranged at two opposite ends of the supporting plate in a sliding mode, the two connecting rods are respectively arranged between two opposite ends of the supporting plate in a straddling mode and are respectively connected with the two compression modules in a sliding mode, the third driving piece is fixedly connected with the turntable, the third driving piece is connected with the two connecting rods, and the third driving piece is used for driving the two connecting rods to move relatively.
2. The adjustable PCB screen fixing device of claim 1, wherein the first driving member comprises a bottom plate, a rotating shaft, a gear motor and a chain, the rotating shaft is rotatably connected with the bottom plate, one end of the rotating shaft is fixedly connected with the turntable, the gear motor is connected with the bottom plate, a driving sprocket is fixedly arranged on an output shaft of the gear motor, a driven sprocket is fixedly arranged on the other end of the rotating shaft, and the chain is connected between the driving sprocket and the driven sprocket.
3. The adjustable PCB screen fixing apparatus of claim 1 or 2, wherein the second driving member includes a first dual-shaft motor fixed in the middle of the square mounting frame, and two first threaded rods, one ends of the two first threaded rods are respectively fixedly connected with two output shafts of the first dual-shaft motor, the other ends of the two first threaded rods are respectively rotatably connected with two opposite ends of the square mounting frame, two threaded portions of the two first threaded rods are reversely arranged, and the two first threaded rods are respectively rotatably connected with two support plates.
4. The adjustable PCB screen fixing apparatus of claim 1, wherein the pressing module comprises a base, and at least one clamping member disposed on the base, the clamping member being configured to clamp one side of the PCB screen, one side of the base being slidably connected to one end of the support plate, and the other side of the base being slidably connected to the connecting rod.
5. The adjustable PCB screen printing plate fixing device according to claim 4, wherein the clamping piece comprises a telescopic part fixedly arranged on the base and a hook plate hinged with the base, the output end of the telescopic part is hinged with one end of the hook plate, and a clamping space for clamping the PCB screen printing plate is formed between the other end of the hook plate and the top surface of the base.
6. An adjustable PCB screen fixing apparatus according to claim 3, wherein two side plates are fixedly connected to the turntable, the two side plates are located at opposite sides of the square mounting frame, and L-shaped connection plates are fixed on the two side plates;
the third driving piece comprises a second double-shaft motor and two second threaded rods, wherein the second double-shaft motor is fixedly arranged between two side plates and is positioned above the square mounting frame, two output shafts of the second double-shaft motor are fixedly connected with two ends of the second threaded rods respectively, the other ends of the second threaded rods are connected with two L-shaped connecting plates in a rotating mode respectively, two threaded portions of the second threaded rods are arranged in a reverse mode, and the second threaded rods are connected with two connecting rods in a rotating mode respectively.
7. The adjustable PCB screen plate fixing device according to claim 2, wherein limiting pieces are arranged on the bottom plate, a plurality of clamping grooves are formed in the circumferential direction of the rotary plate at intervals, and the limiting pieces can be inserted into any clamping grooves to limit the rotary plate to rotate around the axis of the rotary plate.
8. The adjustable PCB screen printing plate fixing device according to claim 2, wherein a connecting seat is fixedly arranged on the gear motor, the connecting seat is in sliding connection with a bottom plate, a positioning piece which is abutted to the connecting seat is arranged on the bottom plate, and the positioning piece is used for adjusting the distance between the connecting seat and the rotating shaft.
9. The adjustable PCB screen fixing apparatus of claim 8, wherein the positioning member comprises a vertical plate fixedly connected with the bottom plate, and a limit screw rotatably connected with the vertical plate, and one end of the limit screw can abut against the connecting seat.
10. The adjustable PCB screen printing apparatus of claim 5, wherein the telescoping portion is an electric push rod, a pneumatic cylinder or a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223487425.9U CN219096228U (en) | 2022-12-26 | 2022-12-26 | PCB half tone fixing device with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223487425.9U CN219096228U (en) | 2022-12-26 | 2022-12-26 | PCB half tone fixing device with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219096228U true CN219096228U (en) | 2023-05-30 |
Family
ID=86467263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223487425.9U Active CN219096228U (en) | 2022-12-26 | 2022-12-26 | PCB half tone fixing device with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219096228U (en) |
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2022
- 2022-12-26 CN CN202223487425.9U patent/CN219096228U/en active Active
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