CN210649899U - Circuit board side cut grinding device - Google Patents
Circuit board side cut grinding device Download PDFInfo
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- CN210649899U CN210649899U CN201921432617.5U CN201921432617U CN210649899U CN 210649899 U CN210649899 U CN 210649899U CN 201921432617 U CN201921432617 U CN 201921432617U CN 210649899 U CN210649899 U CN 210649899U
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- clamping piece
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Abstract
The utility model relates to a circuit board side cut grinding device, relate to circuit board production field, including the objective table, be equipped with first telescoping device on the objective table, first telescoping device is connected with the horizontal plate, be equipped with the backup pad that two symmetries set up on the objective table, backup pad one end is supported and is pressed the horizontal plate, the backup pad other end is connected with vertical fixed plate, vertical fixed plate and the perpendicular setting of horizontal plate, the symmetry is equipped with the centre gripping subassembly on the horizontal plate, the centre gripping subassembly includes the holder and sets up the lower holder on the horizontal plate, holder one end articulates down has last holder, be equipped with telescopic machanism on the vertical fixed plate, be equipped with the removal support between vertical fixed plate and the horizontal plate, removal support one end is connected with telescopic machanism, the vertical running roller that is equipped with of one end. The edge cutting of the circuit board can be polished, manual operation is not needed in the edge grinding process, the edge cutting is smooth and free of burrs after polishing, and labor intensity is reduced.
Description
Technical Field
The utility model relates to a circuit board production field especially relates to a circuit board side cut grinding device.
Background
The circuit substrate is a basic material for manufacturing the PCB, generally, the substrate is a copper clad laminate, and the single-sided and double-sided printed boards are manufactured by using the substrate material-copper clad laminate. The performance, quality, workability in manufacturing, manufacturing cost, manufacturing level, and the like of the printed board greatly depend on the substrate material.
In the circuit board processing process, massive circuit board substrates need to be cut before processing, the circuit board after cutting usually has the phenomenon of unsmooth edge, and in the subsequent production process, the edge of the circuit board is required to be smooth, burrs can appear on the edge of the circuit board, the circuit board can be scratched in the subsequent processing process, the processing quality of the circuit board is affected, manual edge grinding is slow and uneven, personnel need to polish repeatedly for a long time, the consumed time is long, the labor intensity is high, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board side cut grinding device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a circuit board trimming and polishing device comprises an objective table, wherein a first telescopic device is arranged on the objective table and is connected with a horizontal plate, two symmetrically arranged support plates are arranged on the objective table, one end of each support plate is abutted against the horizontal plate, the other end of each support plate is connected with a vertical fixed plate, the vertical fixed plate and the horizontal plate are vertically arranged, clamping assemblies are symmetrically arranged on the horizontal plate and comprise an upper clamping piece and a lower clamping piece arranged on the horizontal plate, one end of the lower clamping piece is hinged with the upper clamping piece, a telescopic mechanism is arranged on the vertical fixed plate, a moving support is arranged between the vertical fixed plate and the horizontal plate and comprises a side plate, a moving plate and a roller support, the two support plates are respectively abutted against the side plate, one end of the side plate is connected with the roller support, and the side plate and the vertical fixed plate are, the other end of the side plate is connected with a vertically arranged moving plate, the surface of the moving plate, far away from the roller bracket, is in transmission connection with a telescopic mechanism, one side of the moving plate, close to the roller bracket, is provided with a driving mechanism, a plurality of polishing rollers are vertically arranged on the roller bracket, and the polishing rollers are in transmission connection with the driving mechanism. Two side edges of the circuit board are abutted against the lower clamping block, the circuit board is clamped through the upper clamping piece, the moving frame slides towards the circuit board under the action of the telescopic mechanism, the horizontal plate is pushed by the first telescopic device to do reciprocating motion, and the circuit board is contacted with the polishing roller wheel to polish the edge.
Go up the holder and include articulated strip, elastic pressing block, it articulates respectively to go up holder both sides has articulated strip, presss from both sides between the articulated strip and is equipped with elastic pressing block. Articulated strip one end articulates under the holder both sides, and two articulated strip other ends press from both sides and be equipped with the elastic pressing piece, and when the elastic pressing piece supported and pressed on the circuit board, avoid striking the circuit board and make the circuit board break.
The lower clamping piece is L-shaped, a dovetail groove is formed in the horizontal plate, a protruding block is arranged on the lower end face of the lower clamping piece, corresponding to the dovetail groove, and the protruding block is in sliding fit with the dovetail groove. The lower clamping piece can move on the objective table and is adaptive to circuit boards with various specifications.
The magnet is embedded in the elastic pressing block, the lower clamping piece is a magnetic conduction stainless iron plate, and the magnetic strip is embedded in the position, corresponding to the magnet, of the lower end face of the lower clamping piece. Magnet and magnetism strip contact inter attraction when elastic pressing block and lower holder butt, make holder and lower holder centre gripping circuit board through magnet and magnetism strip.
The objective table upper surface is equipped with the blanking mouth, and the blanking mouth below is equipped with album bits case. The dust accessible blanking mouth that the side cut of polishing produced falls into a collection bits case, uses the brush to sweep the brush to handle the circuit board after the edging, tentatively sweeps the dust fines on the circuit board, and the dust fines falls into a collection bits case, is favorable to keeping operational environment clean and tidy.
The driving mechanism comprises a driven chain wheel, a transmission chain, a driving chain wheel and a driving motor, wherein the driven chain wheel, the transmission chain, the driving chain wheel and the driving motor are arranged at the upper end of the polishing roller wheel, the driven chain wheel is connected through the transmission of the transmission chain, the driving motor is arranged on the movable plate, the driving motor is connected with the driving chain wheel, and the driving chain wheel is meshed with the transmission chain wheel. The driving motor drives the driving chain wheel to rotate, the driving chain wheel drives the transmission chain to move, the upper end of each polishing roller wheel is connected with a driven chain wheel, the driven chain wheel is driven by the transmission chain, and the driven chain wheel drives the polishing roller wheels to rotate.
The objective table is provided with a containing groove, the horizontal plate is in clearance fit with the containing groove, and the first telescopic device is arranged in the containing groove. The horizontal plate is arranged in the accommodating groove in a sliding mode, the moving range of the horizontal plate is limited in the accommodating groove, the horizontal plate is prevented from shaking, and the stability of the horizontal plate is effectively improved.
The telescopic mechanism comprises servo electric cylinders which are uniformly arranged at intervals, and moving plates are connected to the end portions of piston rods of the servo electric cylinders in a threaded mode. The electric cylinder can realize high-precision motion control, and the polishing roller wheel is driven to accurately move through the servo electric cylinder.
The polishing device is characterized in that a plurality of stop levers are arranged on the objective table, the axes of the stop levers are perpendicular to the upper end face of the objective table, and the axes of the stop levers are parallel to the axis of the polishing roller. The stop lever is used for abutting against the circuit board, so that the position of the circuit board can be conveniently determined.
And elastic cushion layers are respectively arranged on the surfaces of the object stage and the lower clamping piece. When the circuit board is operated, the circuit board is not in direct contact with the surface of the objective table and the surface of the lower clamping piece, so that the circuit board is prevented from being scratched.
The utility model discloses a theory of operation does: the side edge of the circuit board is abutted to the stop lever and then clamped through the clamping assembly, the moving frame slides towards the circuit board under the action of the electric cylinder, the horizontal plate is pushed by the first telescopic device to move, and the circuit board is contacted with the polishing roller wheel to polish the edge.
The utility model has the advantages that: the edge cutting of the circuit board can be polished, manual operation is not needed in the edge grinding process, the edge cutting is smooth and free of burrs after polishing, the labor intensity is reduced, and the time for polishing and edge cutting is short.
Drawings
The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic structural view of a circuit board trimming and polishing device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a circuit board trimming and polishing device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a clamping assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a clamping assembly according to an embodiment of the present invention.
The labels in the figure are: 1-carrying platform, 2-first telescopic device, 3-horizontal plate, 4-supporting plate, 5-vertical fixing plate, 6-moving rack, 7-telescopic mechanism, 8-polishing roller, 9-lower clamping piece, 10-hinged strip, 11-elastic pressing block, 12-scrap collecting box, 13-driven chain wheel, 14-transmission chain, 15-driving chain wheel, 16-driving motor and 17-gear lever
Cargo platform 1, first telescoping device 2, horizontal plate 3, backup pad 4, vertical fixed plate 5, removal frame 6, telescopic machanism 7, the running roller 8 of polishing, lower holder 9, articulated strip 10, elastic pressing piece 11, collection bits case 12, driven sprocket 13, drive chain 14, drive sprocket 15, driving motor 16, shelves pole 17
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" 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 invention, unless otherwise specified, the terms of orientation such as "up, down, left, and right" used generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
Example 1
As shown in fig. 1-4, an embodiment of the utility model provides a circuit board side cut grinding device, including the objective table, be equipped with first telescoping device 2 on the objective table, first telescoping device 2 is connected with horizontal plate 3, be equipped with two backup pads 4 that the symmetry set up on the objective table, backup pad 4 one end is supported and is pressed horizontal plate 3, the backup pad 4 other end is connected with vertical fixed plate 5, vertical fixed plate 5 and horizontal plate 3 set up perpendicularly, the symmetry is equipped with the centre gripping subassembly on horizontal plate 3, the centre gripping subassembly includes last holder and sets up lower holder 9 on horizontal plate 3, holder 9 one end articulates has last holder, be equipped with telescopic machanism 7 on vertical fixed plate 5, be equipped with the movable support between vertical fixed plate 5 and the horizontal plate 3, the movable support includes curb plate, movable plate, The running roller support, two backup pad 4 butt respectively has the curb plate, and curb plate one end is connected with the running roller support, and curb plate and 5 parallel arrangement of vertical fixed plate, the curb plate other end are connected with the movable plate of vertical setting, the movable plate is kept away from the surface transmission of running roller support and is connected telescopic machanism 7, one side that the movable plate is close to the running roller support is equipped with actuating mechanism, the vertical running roller 8 that is equipped with on the running roller support, 8 transmission connection actuating mechanism of running roller polish. Two side edges of the circuit board are abutted against the lower clamping block, the circuit board is clamped through the upper clamping piece, the moving frame 6 slides towards the circuit board under the action of the telescopic mechanism 7, the horizontal plate 3 is pushed by the first telescopic device 2 to do reciprocating motion, and the circuit board is contacted with the polishing roller 8 to polish the cut edges. First telescoping device 2 is electric telescopic handle, and first telescoping device 2 is used for promoting horizontal plate 3 and removes the utility model discloses in, install the arbitrary prior art realization of the 2 accessible of first telescoping device on the objective table, the utility model relates to a technical characteristic of first telescoping device 2, the realization of its function belongs to prior art, and the essence of this application scheme is to the improvement of the constitution of each part and relation of connection to do not relate to the improvement of first telescoping device 2 itself.
Go up the holder and include articulated strip 10, elastic pressing block 11, it articulates respectively to go up the holder both sides has articulated strip 10, presss from both sides between the articulated strip 10 and is equipped with elastic pressing block 11. One end of each hinged strip 10 is hinged to two sides of the lower clamping piece 9, the other end of each hinged strip 10 is provided with an elastic pressing block 11 in a clamping mode, and when the elastic pressing blocks 11 abut against and press the circuit board, the circuit board is prevented from being impacted to break.
The lower clamping piece 9 is L-shaped, a dovetail groove is formed in the horizontal plate 3, and a convex block is arranged on the lower end face of the lower clamping piece 9 corresponding to the dovetail groove and is in sliding fit with the dovetail groove. The lower clamping piece 9 can move on the objective table and is suitable for circuit boards with various specifications.
The magnet is embedded in the elastic pressing block 11, the lower clamping piece 9 is a magnetic conduction stainless iron plate, and a magnetic strip is embedded in the position, corresponding to the magnet, of the lower end face of the lower clamping piece 9. When the elastic pressing block 11 is abutted to the lower clamping piece 9, the magnet is in contact with the magnetic strip to attract each other, and the upper clamping piece and the lower clamping piece 9 clamp the circuit board through the magnet and the magnetic strip.
The objective table upper surface is equipped with the blanking mouth, and the blanking mouth below is equipped with album bits case 12. The dust accessible blanking mouth that the side cut of polishing produced falls into album bits case 12, uses the brush to brush the circuit board after the edging and handles, tentatively sweeps the dust fines on the circuit board, and the dust fines falls into album bits case 12 in, is favorable to keeping operational environment clean and tidy.
The driving mechanism comprises a driven sprocket 13, a transmission chain 14, a driving sprocket 15 and a driving motor 16, wherein the driven sprocket 13, the transmission chain 14, the driving sprocket 15 and the driving motor 16 are arranged at the upper end of the polishing roller wheel 8, the driven sprocket 13 is in transmission connection through the transmission chain 14, the driving motor 16 is arranged on the moving plate, the driving motor 16 is connected with the driving sprocket 15, and the driving sprocket 15 is meshed with the transmission chain 14. The driving motor 16 drives the driving chain wheel 15 to rotate, the driving chain wheel 15 drives the transmission chain 14 to move, the upper end of each polishing roller 8 is connected with the driven chain wheel 13, the driven chain wheel 13 is driven by the transmission chain 14, and the driven chain wheel 13 drives the polishing roller 8 to rotate.
The objective table is provided with a containing groove, the horizontal plate 3 is in clearance fit with the containing groove, and the first telescopic device 2 is arranged in the containing groove. The horizontal plate 3 is arranged in the accommodating groove in a sliding mode, the moving range of the horizontal plate 3 is limited in the accommodating groove, the horizontal plate 3 is prevented from shaking, and the stability of the horizontal plate 3 is effectively improved. The horizontal plate 3 is a hard plastic plate.
The telescopic mechanism 7 comprises servo electric cylinders which are uniformly arranged at intervals, and moving plates are connected to the end portions of piston rods of the servo electric cylinders in a threaded mode. The electric cylinder can realize high-precision motion control, and the polishing roller 8 is driven to precisely move by the servo electric cylinder. The servo electronic jar is connected with the electric jar controller, and servo electronic jar passes through the electric jar controller control, and servo electronic jar is used for driving 5 round trip movements of vertical fixed plate the utility model discloses in, the arbitrary prior art of servo electronic jar accessible realizes, the utility model relates to a technical characteristics of servo electronic jar, the realization of its function belong to prior art, and the essence of this application scheme is to the improvement of the constitution of each part and relation of connection to do not relate to the improvement of servo electronic jar itself.
The polishing device is characterized in that a plurality of stop rods are arranged on the objective table and are rubber cylinders, three stop rods are a group and are arranged in three groups, each group of stop rods 17 is installed on one metal plate, the metal plates are connected with the objective table through bolts, the bolts penetrate through the objective table, the axis of each stop rod is perpendicular to the upper end face of the objective table, and the axis of each stop rod and the axis of each polishing roller wheel are arranged in parallel. The stop lever 17 is used for abutting against the circuit board, so that the position of the circuit board can be conveniently determined.
The object stage and the surface of the lower clamping piece 9 are respectively provided with an elastic cushion layer which is a rubber pad. When the circuit board is operated, the circuit board is not in direct contact with the surface of the objective table and the surface of the lower clamping piece 9, so that the circuit board is prevented from being scratched.
Example 2
An embodiment of the utility model provides a circuit board side cut grinding device, including the objective table, be equipped with first telescoping device 2 on the objective table, first telescoping device 2 is connected with horizontal plate 3, be equipped with backup pad 4 that two symmetries set up on the objective table, backup pad 4 one end is supported and is pressed horizontal plate 3, the backup pad 4 other end is connected with vertical fixed plate 5, and vertical fixed plate 5 and horizontal plate 3 set up perpendicularly, the symmetry is equipped with the centre gripping subassembly on horizontal plate 3, the centre gripping subassembly includes the holder and sets up lower holder 9 on horizontal plate 3, holder 9 one end articulates down has last holder, be equipped with a plurality of servo electronic jars on vertical fixed plate 5, the piston rod end threaded connection of servo electronic jar removes the support, be equipped with the movable support between vertical fixed plate 5 and the horizontal plate 3, the movable support includes curb plate, the curb plate, The movable plate comprises a movable plate and a roller support, wherein the two supporting plates 4 are respectively abutted with a side plate, one end of the side plate is connected with the roller support, the side plate and a vertical fixing plate 5 are arranged in parallel, the other end of the side plate is connected with the vertically arranged movable plate, the movable plate is far away from the surface transmission of the roller support and is connected with a telescopic mechanism 7, one side of the movable plate, which is close to the roller support, is provided with a driving mechanism, a plurality of polishing rollers 8 are vertically arranged on the roller support, and the polishing. Two side edges of the circuit board are abutted against the lower clamping block, the circuit board is clamped through the upper clamping piece, the moving frame 6 slides towards the circuit board under the action of the telescopic mechanism 7, the horizontal plate 3 is pushed by the first telescopic device 2 to do reciprocating motion, and the circuit board is contacted with the polishing roller 8 to polish the cut edges. The first telescopic device 2 is an electric telescopic rod.
Go up the holder and include articulated strip 10, elastic pressing block 11, it articulates respectively to go up the holder both sides has articulated strip 10, presss from both sides between the articulated strip 10 and is equipped with elastic pressing block 11. One end of each hinged strip 10 is hinged to two sides of the lower clamping piece 9, the other end of each hinged strip 10 is provided with an elastic pressing block 11 in a clamping mode, and when the elastic pressing blocks 11 abut against and press the circuit board, the circuit board is prevented from being impacted to break.
The lower clamping piece 9 is L-shaped, a dovetail groove is formed in the horizontal plate 3, and a convex block is arranged on the lower end face of the lower clamping piece 9 corresponding to the dovetail groove and is in sliding fit with the dovetail groove. The lower clamping piece 9 can move on the objective table and is suitable for circuit boards with various specifications.
A balancing weight is embedded in the elastic pressing block 11. The objective table upper surface is equipped with the blanking mouth, and the blanking mouth below is equipped with album bits case 12. The dust accessible blanking mouth that the side cut of polishing produced falls into album bits case 12, uses the brush to brush the circuit board after the edging and handles, tentatively sweeps the dust fines on the circuit board, and the dust fines falls into album bits case 12 in, is favorable to keeping operational environment clean and tidy.
The driving mechanism comprises a driven sprocket 13, a transmission chain 14, a driving sprocket 15 and a driving motor 16, wherein the driven sprocket 13, the transmission chain 14, the driving sprocket 15 and the driving motor 16 are arranged at the upper end of the polishing roller wheel 8, the driven sprocket 13 is in transmission connection through the transmission chain 14, the driving motor 16 is arranged on the moving plate, the driving motor 16 is connected with the driving sprocket 15, and the driving sprocket 15 is meshed with the transmission chain 14. The driving motor 16 drives the driving chain wheel 15 to rotate, the driving chain wheel 15 drives the transmission chain 14 to move, the upper end of each polishing roller 8 is connected with the driven chain wheel 13, the driven chain wheel 13 is driven by the transmission chain 14, and the driven chain wheel 13 drives the polishing roller 8 to rotate.
The objective table is provided with a containing groove, the horizontal plate 3 is in clearance fit with the containing groove, and the first telescopic device 2 is arranged in the containing groove. The horizontal plate 3 is arranged in the accommodating groove in a sliding mode, the moving range of the horizontal plate 3 is limited in the accommodating groove, the horizontal plate 3 is prevented from shaking, and the stability of the horizontal plate 3 is effectively improved. The horizontal plate 3 is a hard plastic plate.
The object stage is fixedly provided with a stop lever, and the upper end surface of the object stage is provided with slots for inserting the stop lever 17.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a circuit board side cut grinding device which characterized in that: comprises an object stage, wherein a first telescopic device is arranged on the object stage, the first telescopic device is connected with a horizontal plate, two symmetrically arranged support plates are arranged on the object stage, one end of each support plate is abutted against the horizontal plate, the other end of each support plate is connected with a vertical fixed plate, the vertical fixed plate and the horizontal plate are vertically arranged, clamping assemblies are symmetrically arranged on the horizontal plate and comprise an upper clamping piece and a lower clamping piece arranged on the horizontal plate, one end of the lower clamping piece is hinged with the upper clamping piece, a telescopic mechanism is arranged on the vertical fixed plate, a moving bracket is arranged between the vertical fixed plate and the horizontal plate and comprises a side plate, a moving plate and a roller bracket, the two support plates are respectively abutted against a side plate, one end of the side plate is connected with the roller bracket, the side plate and the vertical fixed plate are arranged in parallel, and the, the surface transmission that the running roller support was kept away from to the movable plate connects telescopic machanism, one side that the movable plate is close to the running roller support is equipped with actuating mechanism, the last vertical running roller that is equipped with of running roller support, actuating mechanism is connected in the running roller transmission of polishing.
2. The circuit board trimming and grinding device of claim 1, wherein: go up the holder and include articulated strip, elastic pressing block, it articulates respectively to go up holder both sides has articulated strip, presss from both sides between the articulated strip and is equipped with elastic pressing block.
3. The circuit board trimming and grinding device of claim 2, wherein: the lower clamping piece is L-shaped, a dovetail groove is formed in the horizontal plate, a protruding block is arranged on the lower end face of the lower clamping piece, corresponding to the dovetail groove, and the protruding block is in sliding fit with the dovetail groove.
4. A circuit board trimming and grinding device according to claim 3, wherein: the magnet is embedded in the elastic pressing block, the lower clamping piece is a magnetic conduction stainless iron plate, and the magnetic strip is embedded in the position, corresponding to the magnet, of the lower end face of the lower clamping piece.
5. The circuit board trimming and grinding device of claim 4, wherein: the objective table upper surface is equipped with the blanking mouth, and the blanking mouth below is equipped with album bits case.
6. A circuit board trimming and grinding device according to claim 5, wherein: the driving mechanism comprises a driven chain wheel, a transmission chain, a driving chain wheel and a driving motor, wherein the driven chain wheel, the transmission chain, the driving chain wheel and the driving motor are arranged at the upper end of the polishing roller wheel, the driven chain wheel is connected through the transmission of the transmission chain, the driving motor is arranged on the movable plate, the driving motor is connected with the driving chain wheel, and the driving chain wheel is meshed with the transmission chain wheel.
7. The circuit board trimming and grinding device of claim 6, wherein: the objective table is provided with a containing groove, and the horizontal plate is in clearance fit with the containing groove.
8. The circuit board trimming and grinding device of claim 7, wherein: the telescopic mechanism comprises servo electric cylinders which are uniformly arranged at intervals, and moving plates are connected to the end portions of piston rods of the servo electric cylinders in a threaded mode.
9. The circuit board trimming and grinding device of claim 1, wherein: the polishing device is characterized in that a stop lever is arranged on the objective table, the stop lever is perpendicular to the upper end face of the objective table, and the stop lever is parallel to the axis of the polishing roller.
10. The circuit board trimming and grinding device of claim 1, wherein: and elastic cushion layers are respectively arranged on the surfaces of the object stage and the lower clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921432617.5U CN210649899U (en) | 2019-08-30 | 2019-08-30 | Circuit board side cut grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921432617.5U CN210649899U (en) | 2019-08-30 | 2019-08-30 | Circuit board side cut grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210649899U true CN210649899U (en) | 2020-06-02 |
Family
ID=70835335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921432617.5U Active CN210649899U (en) | 2019-08-30 | 2019-08-30 | Circuit board side cut grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210649899U (en) |
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2019
- 2019-08-30 CN CN201921432617.5U patent/CN210649899U/en active Active
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