CN114501784A - Device for improving warping of circuit board - Google Patents
Device for improving warping of circuit board Download PDFInfo
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- CN114501784A CN114501784A CN202210236475.5A CN202210236475A CN114501784A CN 114501784 A CN114501784 A CN 114501784A CN 202210236475 A CN202210236475 A CN 202210236475A CN 114501784 A CN114501784 A CN 114501784A
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- circuit board
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- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 29
- 230000001105 regulatory effect Effects 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0271—Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0052—Depaneling, i.e. dividing a panel into circuit boards; Working of the edges of circuit boards
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
The invention belongs to the technical field of circuit boards, and particularly relates to a device for improving warping of a circuit board, which comprises a base, wherein an adjusting plate is fixed at the rear end of the top of the base through bolts, the front end of an adjusting mechanism is connected with two symmetrically distributed positioning side plates, a base plate is fixed at the top of the base through bolts and arranged between the two positioning side plates, a guide groove is formed in the front end of the top of the base, a guide block is connected in the guide groove in a sliding mode, a supporting rod is fixed at the top of the guide block through bolts, a push plate is fixed at the top of the supporting rod through bolts, a first screw rod is rotatably connected in the guide groove through a bearing and is in threaded connection with the guide block, the front end of the first screw rod penetrates through the base, the first screw rod is connected with a transmission mechanism, and a leveling mechanism is arranged on the base. According to the invention, the circuit board is leveled by the leveling mechanism, and the first screw rod is driven to rotate by the transmission mechanism, so that the circuit board is fixed by the push plate, and the leveling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a device for improving warping of a circuit board.
Background
In the production process of the circuit board, due to factors such as the temperature of a processing environment or the pressure applied in the processing process, the circuit board is easy to warp, and according to the IPC standard in the production process of the circuit board, when the warp degree of the board is less than 0.75%, the board is a qualified product, otherwise, the board is an unqualified product. Moreover, if the circuit board is uneven, the problem of inaccurate positioning can be caused, and components can not be inserted into holes of the PCB and surface mounting welding plates, and even the automatic inserting machine can be damaged by collision. Therefore, it is necessary to flatten the warped wiring board.
The existing device for improving the warping of the circuit board needs to place the circuit board on the position of the fixing mechanism, fix the circuit board firstly through the fixing mechanism, then start the leveling mechanism, level the circuit board, the whole process is complex, the whole efficiency of leveling the warped circuit board is low, and therefore corresponding improvement is made for the problem.
Disclosure of Invention
Based on the technical problem that the leveling efficiency of the existing device is low, the invention provides a device for improving the warping of a circuit board.
The invention provides a device for improving warping of a circuit board, which comprises a base, wherein an adjusting plate is fixed at the rear end of the top of the base through bolts, an adjusting mechanism is arranged on the adjusting plate, the front end of the adjusting mechanism is connected with two symmetrically distributed positioning side plates, a positioning mechanism is arranged on each positioning side plate, a base plate is fixed at the top of the base through bolts and arranged between the two positioning side plates, a guide groove is formed in the front end of the top of the base, a guide block is connected in the guide groove in a sliding mode, a supporting rod is fixed at the top of the guide block through bolts, a push plate is fixed at the top of the supporting rod through bolts, a first screw rod is rotatably connected in the guide groove through a bearing and is in threaded connection with the guide block, the front end of the first screw rod penetrates through the base, the first screw rod is connected with a transmission mechanism, and a leveling mechanism is arranged on the base.
Preferably, leveling mechanism includes the fixing base, and the fixing base passes through the bolt fastening in the top of base, and the guide slot has been seted up to the fixing base inboard, and sliding connection has the guide block in the guide slot, and the guide block inboard has the hack lever through the bolt fastening, and the hack lever bottom is connected with the clamp plate, and the clamp plate sets up directly over the backing plate, and the fixing base top has the mounting panel through the bolt fastening, and mounting panel top inner wall has the motor through the bolt fastening, rotates through the bearing in the guide slot and is connected with the second screw rod, passes through the bolt fastening between motor output shaft and the second screw rod.
Preferably, the transmission mechanism includes a third belt pulley, a third belt pulley sleeve is fixed on the first screw, a fixed block is fixed at the top of the fixed seat through a bolt, a first shaft rod is rotatably connected to the fixed block through a bearing, a second bevel gear is fixedly arranged on an end sleeve of the first shaft rod close to the motor, a first bevel gear is fixedly arranged on the second screw in a sleeved mode, the first bevel gear is meshed with the second bevel gear, the first belt pulley is fixedly arranged on the front end sleeve of the first shaft rod, a second shaft rod is rotatably connected to the front end of the base through a bearing, two second belt pulleys are fixedly arranged on the second shaft rod in a sleeved mode, one second belt pulley is sleeved between the other second belt pulley and the third belt pulley, and the other first belt pulley is sleeved with the same first belt.
Preferably, the base front end is fixed with the protection box through the bolt, and the protection box cross-section sets up to L shape, and first band pulley, second band pulley and third band pulley all set up in the protection box.
Preferably, positioning mechanism includes the constant head tank, and the medial surface of location curb plate is seted up to the constant head tank, and the constant head tank cross-section sets up to L shape, and the front end of constant head tank top inner wall is the cambered surface.
Preferably, the locating spring is fixed on the inner wall of the rear end of the locating groove through a bolt, and the movable block is fixed at the front end of the locating spring through a bolt.
Preferably, adjustment mechanism includes two-way screw rod, and the adjustment tank has been seted up to the regulating plate front end, and two-way screw rod passes through the bearing and rotates to be connected in the adjustment tank, and sliding connection has the regulating block in the adjustment tank, and two-way screw rod and regulating block threaded connection pass through the bolt fastening between regulating block and the location curb plate that corresponds.
Preferably, the top of the pressing plate is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding mode, the sliding block and the rack rod are fixed through bolts, a translation mechanism is arranged between the rack rod and the pressing plate, and a rolling mechanism is arranged at the bottom of the pressing plate.
Preferably, the translation mechanism comprises an electric push rod, the top of the pressure plate is fixed with an ear block through a bolt, and the electric push rod is fixed between the frame rod and the ear block through a bolt.
Preferably, the rolling mechanism comprises a plurality of uniformly distributed press rollers, a plurality of groups of uniformly distributed mounting blocks are fixed at the bottom of the pressing plate through bolts, two mounting blocks in the same group are symmetrically distributed at two ends, and the press rollers are rotatably connected between the two mounting blocks in the same group through bearings.
Compared with the prior art, the invention provides a device for improving the warpage of a circuit board, which has the following beneficial effects:
1. the device for improving the warping of the circuit board comprises a circuit board, a base plate, a motor, a first bevel gear, a second bevel gear, a first shaft rod, a first belt wheel, a second belt wheel, a third belt wheel, a first screw rod, a second screw rod, a support plate, a second screw rod, a first pressing plate, a second pressing plate, a first screw rod, a second belt rod, a third belt wheel, a third screw rod, a second pressing plate, a first belt and a second belt, wherein the circuit board is placed on the base plate, the circuit board is positioned between the two positioning side plates, the motor is started, the second screw rod is driven by the output shaft of the second screw rod to rotate, the guide block is meshed with the screw rod, the first belt rod and the first belt wheel and the second belt wheel and the first belt wheel are driven to rotate, the second belt wheel and the second belt wheel to rotate, the second belt wheel to drive the second belt wheel to rotate, the second belt wheel and the second belt wheel to rotate, the second belt wheel to rotate, and the second belt to drive the guide plate to move backwards along the second belt to move backwards along the guide groove to drive the backward, the support rod to move backwards along the support rod to drive the support the, thereby realizing the synchronous operation of fixing and leveling, and improving the leveling efficiency.
2. This a device for improving circuit board warpage, through being provided with the constant head tank, the constant head tank cross-section sets to L shape, can be convenient for insert the circuit board between two constant head tanks to the front end of constant head tank top inner wall is the cambered surface, can further be convenient for the insertion process of circuit board, forms the cooperation through constant head tank and backing plate simultaneously, improves the bearing effect and the bearing area to the circuit board, thereby improves the flattening effect.
3. This a device for improving circuit board warpage, rotate two-way screw rod, under two-way screw action, make two regulating blocks keep away from each other and the removal that is close to, then synchronous drive location curb plate removes, thereby adjust the interval between two location curb plates, thereby can fix and the flattening to the circuit board of different width, and be provided with positioning spring and movable block, can receive the promotion back of push pedal when the circuit board, the circuit board is along constant head tank rearward movement, extrude movable block and positioning spring, can carry out the ascending fixed of fore-and-aft direction to the circuit board of different length through positioning spring's reverse elasticity cooperation push pedal.
4. When the pressing plate presses the surface of the circuit board, the electric push rod is started, the electric push rod output shaft drives the lug block and the pressing plate to integrally move in a reciprocating mode along the direction of the sliding groove, the pressing roller rotates on the surface of the circuit board, the circuit board is rolled, and therefore the leveling efficiency is improved.
Drawings
Fig. 1 is a schematic view of a first angle structure of an apparatus for improving warpage of a circuit board according to the present invention;
FIG. 2 is an enlarged schematic structural diagram of a device for improving warpage of a circuit board according to the present invention at A;
FIG. 3 is a schematic diagram of a second angle structure of the apparatus for improving warpage of a circuit board according to the present invention;
FIG. 4 is an enlarged schematic structural diagram of a device for improving warpage of a circuit board according to the present invention at B;
FIG. 5 is an enlarged schematic structural diagram of a device for improving warpage of a circuit board at position C according to the present invention;
FIG. 6 is a schematic diagram of a pressing plate structure of an apparatus for improving warpage of a circuit board according to the present invention;
fig. 7 is a schematic view of the bottom structure of the pressing plate of the device for improving the warpage of the circuit board according to the present invention.
In the figure: 1. a base; 2. positioning the side plate; 3. a base plate; 4. positioning a groove; 5. a guide groove; 6. a guide block; 7. a first screw; 8. a support bar; 9. pushing the plate; 10. a fixed seat; 11. a guide groove; 12. a guide block; 13. a frame bar; 14. pressing a plate; 15. a second screw; 16. mounting a plate; 17. a motor; 18. a fixed block; 19. a first bevel gear; 20. a second bevel gear; 21. a first pulley; 22. a second shaft lever; 23. a second pulley; 24. a third belt pulley; 25. a first belt; 26. a second belt; 27. a positioning spring; 28. a movable block; 29. an adjusting plate; 30. an adjustment groove; 31. an adjusting block; 32. a bidirectional screw; 33. a protective case; 34. a chute; 35. a slider; 36. an ear piece; 37. an electric push rod; 38. mounting blocks; 39. and (4) pressing the rolls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-5, a device for improving warping of a circuit board, which comprises a base 1, wherein a regulating plate 29 is fixed at the rear end of the top of the base 1 through bolts, a regulating mechanism is arranged on the regulating plate 29, the front end of the regulating mechanism is connected with two symmetrically distributed positioning side plates 2, a positioning mechanism is arranged on each positioning side plate 2, a backing plate 3 is fixed at the top of the base 1 through bolts, the backing plate 3 is arranged between the two positioning side plates 2, a guide groove 5 is formed in the front end of the top of the base 1, a guide block 6 is slidably connected in the guide groove 5, a support rod 8 is fixed at the top of the guide block 6 through bolts, a push plate 9 is fixed at the top of the support rod 8 through bolts, a first screw 7 is rotatably connected in the guide groove 5 through a bearing, the first screw 7 is in threaded connection with the guide block 6, the front end of the first screw 7 penetrates through the base 1, the first screw 7 is connected with a transmission mechanism, and a leveling mechanism is arranged on the base 1.
Further, leveling mechanism includes fixing base 10, fixing base 10 passes through the bolt fastening in the top of base 1, guide slot 11 has been seted up to fixing base 10 inboard, sliding connection has guide block 12 in guide slot 11, 12 inboards of guide block have hack lever 13 through the bolt fastening, 13 bottom of hack lever are connected with clamp plate 14, clamp plate 14 sets up directly over backing plate 3, fixing base 10 top has mounting panel 16 through the bolt fastening, 16 top inner walls of mounting panel have motor 17 through the bolt fastening, be connected with second screw rod 15 through the bearing rotation in the guide slot 11, pass through the bolt fastening between motor 17 output shaft and the second screw rod 15, can carry out the flattening to the circuit board.
Further, the transmission mechanism comprises a third belt wheel 24, the third belt wheel 24 is sleeved and fixed on the first screw 7, the top of the fixed seat 10 is fixed with a fixed block 18 through a bolt, the fixed block 18 is rotatably connected with a first shaft rod through a bearing, one end of the first shaft rod close to the motor 17 is sleeved and fixed with a second bevel gear 20, the second screw 15 is sleeved and fixed with a first bevel gear 19, the first bevel gear 19 is meshed and connected with the second bevel gear 20, the front end of the first shaft rod is sleeved and fixed with a first belt wheel 21, the front end of the base 1 is rotatably connected with a second shaft rod 22 through a bearing, the second shaft rod 22 is sleeved and fixed with two second belt wheels 23, one of the second belt wheels 23 and the third belt wheel 24 are sleeved with the same second belt 26, and the other of the second belt wheels 23 and the first belt wheel 21 is sleeved with the same first belt 25, so that the first screw 7 can be driven to rotate through the transmission mechanism.
Further, base 1 front end is fixed with protection box 33 through the bolt, and protection box 33 cross-section sets up to L shape, and first band pulley 21, second band pulley 23 and third band pulley 24 all set up in protection box 33, can improve the security of during operation.
Further, positioning mechanism includes constant head tank 4, and constant head tank 4 is seted up in the medial surface of location curb plate 2, and the L shape is set to the 4 cross-sections of constant head tank, and the front end of 4 top inner walls of constant head tank is the cambered surface, can be convenient for place the circuit board.
Further, the inner wall of the rear end of the positioning groove 4 is fixed with a positioning spring 27 through a bolt, and the front end of the positioning spring 27 is fixed with a movable block 28 through a bolt, so that circuit boards with different lengths can be fixed.
Further, adjustment mechanism includes two-way screw rod 32, and adjustment groove 30 has been seted up to adjusting plate 29 front end, and two-way screw rod 32 rotates through the bearing to be connected in adjustment groove 30, and sliding connection has regulating block 31 in adjustment groove 30, and two-way screw rod 32 and regulating block 31 threaded connection pass through the bolt fastening between regulating block 31 and the location curb plate 2 that corresponds, can fix the circuit board of different widths.
The working principle is as follows: when in use, the circuit board is placed on the backing plate 3, the circuit board is positioned between the two positioning side plates 2, the motor 17 is started, the output shaft of the motor 17 drives the second screw rod 15 to rotate, the guide block 12 moves downwards along the guide groove 11 under the action of the screw thread, then the frame rod 13 and the pressing plate 14 are synchronously driven to move downwards to flatten the circuit board, meanwhile, the second screw rod 15 synchronously drives the first bevel gear 19 to rotate, then the second bevel gear 20 is meshed to drive the second bevel gear 20 to rotate, then the first shaft rod and the first belt wheel 21 are driven to rotate, then the second belt wheel 23 and the second shaft rod 22 are driven to rotate by the first belt 25, then the third belt wheel 24 and the first screw rod 7 are driven to rotate by the second belt 26, under the action of the screw thread, the guide block 6 moves backwards along the guide groove 5, then the support rod 8 and the push plate 9 are synchronously driven to move backwards to push the circuit board backwards, and cooperate with the regulating plate 29 to fix the circuit board in the front-back direction, thereby realizing the synchronous operation of fixing and leveling, thereby improving the leveling efficiency, further, the locating slot 4 is provided, the cross section of the locating slot 4 is set to L shape, thereby facilitating the circuit board to be inserted between the two locating slots 4, and the front end of the inner wall of the top of the locating slot 4 is a cambered surface, thereby facilitating the insertion process of the circuit board, meanwhile, the locating slot 4 and the backing plate 3 are matched, thereby improving the bearing effect and bearing area of the circuit board, thereby improving the leveling effect, further, the bidirectional screw 32 is rotated, under the action of the bidirectional screw, the two regulating blocks 31 are moved away from and close to each other, thereby synchronously driving the locating side plates 2 to move, thereby regulating the space between the two locating side plates 2, thereby fixing and leveling the circuit boards with different widths, and is provided with a positioning spring 27 and a movable block 28, namely, after the circuit board is pushed by the push plate 9, the circuit board moves backwards along the positioning groove 4 to extrude the movable block 28 and the positioning spring 27, and the circuit boards with different lengths can be fixed in the front-back direction by the reverse elasticity of the positioning spring 27 in cooperation with the push plate 9.
Example 2
Referring to fig. 1-7, a device for improving warping of a circuit board, which comprises a base 1, a regulating plate 29 is fixed at the rear end of the top of the base 1 through bolts, a regulating mechanism is arranged on the regulating plate 29, the front end of the regulating mechanism is connected with two symmetrically distributed positioning side plates 2, a positioning mechanism is arranged on each positioning side plate 2, a backing plate 3 is fixed at the top of the base 1 through bolts, the backing plate 3 is arranged between the two positioning side plates 2, a guide groove 5 is formed in the front end of the top of the base 1, a guide block 6 is slidably connected in the guide groove 5, a support rod 8 is fixed at the top of the guide block 6 through bolts, a push plate 9 is fixed at the top of the support rod 8 through bolts, a first screw 7 is rotatably connected in the guide groove 5 through a bearing, the first screw 7 is in threaded connection with the guide block 6, the front end of the first screw 7 penetrates through the base 1, the first screw 7 is connected with a transmission mechanism, and a leveling mechanism is arranged on the base 1.
Further, leveling mechanism includes fixing base 10, fixing base 10 passes through the bolt fastening in the top of base 1, guide slot 11 has been seted up to fixing base 10 inboard, sliding connection has guide block 12 in guide slot 11, 12 inboards of guide block have hack lever 13 through the bolt fastening, 13 bottom of hack lever are connected with clamp plate 14, clamp plate 14 sets up directly over backing plate 3, fixing base 10 top has mounting panel 16 through the bolt fastening, 16 top inner walls of mounting panel have motor 17 through the bolt fastening, be connected with second screw rod 15 through the bearing rotation in the guide slot 11, pass through the bolt fastening between motor 17 output shaft and the second screw rod 15, can carry out the flattening to the circuit board.
Further, the transmission mechanism comprises a third belt wheel 24, the third belt wheel 24 is sleeved and fixed on the first screw 7, the top of the fixed seat 10 is fixed with a fixed block 18 through a bolt, the fixed block 18 is rotatably connected with a first shaft rod through a bearing, one end of the first shaft rod close to the motor 17 is sleeved and fixed with a second bevel gear 20, the second screw 15 is sleeved and fixed with a first bevel gear 19, the first bevel gear 19 is meshed and connected with the second bevel gear 20, the front end of the first shaft rod is sleeved and fixed with a first belt wheel 21, the front end of the base 1 is rotatably connected with a second shaft rod 22 through a bearing, the second shaft rod 22 is sleeved and fixed with two second belt wheels 23, one of the second belt wheels 23 and the third belt wheel 24 are sleeved with the same second belt 26, and the other of the second belt wheels 23 and the first belt wheel 21 is sleeved with the same first belt 25, so that the first screw 7 can be driven to rotate through the transmission mechanism.
Further, base 1 front end is fixed with protection box 33 through the bolt, and protection box 33 cross-section sets up to L shape, and first band pulley 21, second band pulley 23 and third band pulley 24 all set up in protection box 33, can improve the security of during operation.
Further, positioning mechanism includes constant head tank 4, and constant head tank 4 is seted up in the medial surface of location curb plate 2, and the 4 cross-sections of constant head tank set L shape to, and the front end of 4 top inner walls of constant head tank is the cambered surface, can be convenient for place the circuit board.
Further, the inner wall of the rear end of the positioning groove 4 is fixed with a positioning spring 27 through a bolt, and the front end of the positioning spring 27 is fixed with a movable block 28 through a bolt, so that circuit boards with different lengths can be fixed.
Further, adjustment mechanism includes two-way screw rod 32, and adjustment groove 30 has been seted up to adjusting plate 29 front end, and two-way screw rod 32 rotates through the bearing to be connected in adjustment groove 30, and sliding connection has regulating block 31 in adjustment groove 30, and two-way screw rod 32 and regulating block 31 threaded connection pass through the bolt fastening between regulating block 31 and the location curb plate 2 that corresponds, can fix the circuit board of different widths.
Further, the top of the pressing plate 14 is provided with a sliding groove 34, the sliding groove 34 is internally and slidably connected with a sliding block 35, the sliding block 35 and the rack rod 13 are fixed through a bolt, a translation mechanism is arranged between the rack rod 13 and the pressing plate 14, and the bottom of the pressing plate 14 is provided with a rolling mechanism, so that the pressing plate 14 can translate left and right.
Further, the translation mechanism comprises an electric push rod 37, the top of the pressure plate 14 is fixed with an ear block 36 through a bolt, and the electric push rod 37 is fixed between the frame rod 13 and the ear block 36 through a bolt, so that the pressure plate 14 can be pushed to translate through the electric push rod 37.
Further, the rolling mechanism comprises a plurality of uniformly distributed pressing rollers 39, a plurality of groups of uniformly distributed mounting blocks 38 are fixed at the bottom of the pressing plate 14 through bolts, two mounting blocks 38 in the same group are symmetrically distributed at two ends, the pressing rollers 39 are rotatably connected between the two mounting blocks 38 in the same group through bearings, and the circuit board can be rolled and leveled through the pressing rollers 39.
The working principle is as follows: when in use, the circuit board is placed on the backing plate 3, the circuit board is positioned between the two positioning side plates 2, the motor 17 is started, the output shaft of the motor 17 drives the second screw rod 15 to rotate, the guide block 12 moves downwards along the guide groove 11 under the action of the screw thread, then the frame rod 13 and the pressing plate 14 are synchronously driven to move downwards to flatten the circuit board, meanwhile, the second screw rod 15 synchronously drives the first bevel gear 19 to rotate, then the second bevel gear 20 is meshed to drive the second bevel gear 20 to rotate, then the first shaft rod and the first belt wheel 21 are driven to rotate, then the second belt wheel 23 and the second shaft rod 22 are driven to rotate by the first belt 25, then the third belt wheel 24 and the first screw rod 7 are driven to rotate by the second belt 26, under the action of the screw thread, the guide block 6 moves backwards along the guide groove 5, then the support rod 8 and the push plate 9 are synchronously driven to move backwards to push the circuit board backwards, and cooperate with the regulating plate 29 to fix the circuit board in the front-back direction, thereby realizing the synchronous operation of fixing and leveling, thereby improving the leveling efficiency, further, the locating slot 4 is provided, the cross section of the locating slot 4 is set to L shape, thereby facilitating the circuit board to be inserted between the two locating slots 4, and the front end of the inner wall of the top of the locating slot 4 is a cambered surface, thereby facilitating the insertion process of the circuit board, meanwhile, the locating slot 4 and the backing plate 3 are matched, thereby improving the bearing effect and bearing area of the circuit board, thereby improving the leveling effect, further, the bidirectional screw 32 is rotated, under the action of the bidirectional screw, the two regulating blocks 31 are moved away from and close to each other, thereby synchronously driving the locating side plates 2 to move, thereby regulating the space between the two locating side plates 2, thereby fixing and leveling the circuit boards with different widths, and is provided with the positioning spring 27 and the movable block 28, namely after the circuit board is pushed by the push plate 9, the circuit board moves backwards along the positioning groove 4, the movable block 28 and the positioning spring 27 are extruded, namely the circuit board with different lengths can be fixed in the front-back direction by matching the reverse elasticity of the positioning spring 27 with the push plate 9, further, after the press plate 14 is pressed on the surface of the circuit board, the electric push rod 37 is started, the output shaft of the electric push rod 37 drives the lug block 36 and the press plate 14 to integrally move in a reciprocating manner along the direction of the sliding groove 34, the press roller 39 rotates on the surface of the circuit board, and the circuit board is rolled, so that the leveling efficiency is improved.
Claims (10)
1. The utility model provides a device for improving circuit board warpage, including base (1), a serial communication port, base (1) top rear end fixedly connected with regulating plate (29), be provided with adjustment mechanism on regulating plate (29), the adjustment mechanism front end is connected with two symmetric distribution's location curb plate (2), be provided with positioning mechanism on location curb plate (2), base (1) top fixedly connected with backing plate (3), backing plate (3) set up between two location curb plate (2), base (1) top front end has seted up guide way (5), sliding connection has guide block (6) in guide way (5), guide block (6) top fixedly connected with bracing piece (8), bracing piece (8) top fixedly connected with push pedal (9), guide way (5) internal rotation is connected with first screw rod (7), first screw rod (7) and guide block (6) threaded connection, the front end of the first screw (7) penetrates through the base (1), the first screw (7) is connected with a transmission mechanism, and the base (1) is provided with a leveling mechanism.
2. The device for improving the warpage of the circuit board according to claim 1, wherein the leveling mechanism comprises a fixed seat (10), the fixed seat (10) is fixedly connected to the top of the base (1), a guide groove (11) is formed in the inner side of the fixed seat (10), a guide block (12) is slidably connected in the guide groove (11), a frame rod (13) is fixedly connected to the inner side of the guide block (12), a pressing plate (14) is connected to the bottom of the frame rod (13), the pressing plate (14) is arranged right above the backing plate (3), a mounting plate (16) is fixedly connected to the top of the fixed seat (10), a motor (17) is fixedly connected to the inner wall of the top of the mounting plate (16), a second screw (15) is rotatably connected to the guide groove (11), and an output shaft of the motor (17) is fixedly connected to the second screw (15).
3. The device for improving the warpage of the circuit board according to claim 2, wherein the transmission mechanism comprises a third belt wheel (24), the third belt wheel (24) is sleeved and fixed on the first screw (7), the top of the fixing seat (10) is fixedly connected with a fixing block (18), the fixing block (18) is rotatably connected with a first shaft rod, one end of the first shaft rod, which is close to the motor (17), is sleeved and fixed with a second bevel gear (20), the second screw (15) is sleeved and fixed with a first bevel gear (19), the first bevel gear (19) is meshed and connected with the second bevel gear (20), the front end of the first shaft rod is sleeved and fixed with a first belt wheel (21), the front end of the base (1) is rotatably connected with a second shaft rod (22), the second shaft rod (22) is sleeved and fixed with two second belt wheels (23), one belt wheel (26) is sleeved and fixed between the second belt wheel (23) and the third belt wheel (24), the same first belt (25) is sleeved between the other second belt wheel (23) and the first belt wheel (21).
4. A device for improving the warpage of circuit boards according to claim 3, wherein a protective box (33) is fixedly connected to the front end of the base (1), the protective box (33) is provided with an L-shaped cross section, and the first belt wheel (21), the second belt wheel (23) and the third belt wheel (24) are all provided in the protective box (33).
5. The device for improving the warpage of the circuit board according to claim 1, wherein the positioning mechanism comprises a positioning groove (4), the positioning groove (4) is opened on the inner side surface of the positioning side plate (2), the cross section of the positioning groove (4) is arranged in an L shape, and the front end of the inner wall at the top of the positioning groove (4) is an arc surface.
6. A device for improving the warpage of a circuit board according to claim 5, wherein a positioning spring (27) is fixedly connected to the inner wall of the rear end of the positioning groove (4), and a movable block (28) is fixedly connected to the front end of the positioning spring (27).
7. The device for improving the warpage of the circuit board according to claim 1, wherein the adjusting mechanism comprises a two-way screw (32), an adjusting groove (30) is formed in the front end of the adjusting plate (29), the two-way screw (32) is rotatably connected in the adjusting groove (30), an adjusting block (31) is slidably connected in the adjusting groove (30), the two-way screw (32) is in threaded connection with the adjusting block (31), and the adjusting block (31) is fixedly connected with the corresponding positioning side plate (2).
8. The device for improving the warpage of the circuit board as recited in claim 2, wherein a sliding groove (34) is formed at the top of the pressing plate (14), a sliding block (35) is slidably connected in the sliding groove (34), the sliding block (35) is fixedly connected with the rack bar (13), a translation mechanism is arranged between the rack bar (13) and the pressing plate (14), and a rolling mechanism is arranged at the bottom of the pressing plate (14).
9. The device for improving the warpage of the circuit board as recited in claim 8, wherein the translation mechanism comprises an electric push rod (37), the top of the pressure plate (14) is fixedly connected with the ear block (36), and the electric push rod (37) is fixedly connected between the frame rod (13) and the ear block (36).
10. The device for improving the warpage of the circuit board according to claim 8, wherein the rolling mechanism comprises a plurality of uniformly distributed press rollers (39), a plurality of groups of uniformly distributed mounting blocks (38) are fixedly connected to the bottom of the press plate (14), two mounting blocks (38) in the same group are symmetrically distributed at two ends, and the press rollers (39) are rotatably connected between the two mounting blocks (38) in the same group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210236475.5A CN114501784A (en) | 2022-03-10 | 2022-03-10 | Device for improving warping of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210236475.5A CN114501784A (en) | 2022-03-10 | 2022-03-10 | Device for improving warping of circuit board |
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| Publication Number | Publication Date |
|---|---|
| CN114501784A true CN114501784A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210236475.5A Pending CN114501784A (en) | 2022-03-10 | 2022-03-10 | Device for improving warping of circuit board |
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| Country | Link |
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| CN (1) | CN114501784A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115955780A (en) * | 2023-03-13 | 2023-04-11 | 四川英创力电子科技股份有限公司 | Efficient leveling device and method for large-size printed board |
| CN115954314A (en) * | 2023-03-08 | 2023-04-11 | 四川富乐华半导体科技有限公司 | Pressing jig for ceramic copper-clad substrate |
| CN117479430A (en) * | 2023-10-11 | 2024-01-30 | 惠州市兴顺和电子有限公司 | Device for improving warping of circuit board |
-
2022
- 2022-03-10 CN CN202210236475.5A patent/CN114501784A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115954314A (en) * | 2023-03-08 | 2023-04-11 | 四川富乐华半导体科技有限公司 | Pressing jig for ceramic copper-clad substrate |
| CN115955780A (en) * | 2023-03-13 | 2023-04-11 | 四川英创力电子科技股份有限公司 | Efficient leveling device and method for large-size printed board |
| CN115955780B (en) * | 2023-03-13 | 2023-05-09 | 四川英创力电子科技股份有限公司 | Efficient leveling device and method for large-size printed board |
| CN117479430A (en) * | 2023-10-11 | 2024-01-30 | 惠州市兴顺和电子有限公司 | Device for improving warping of circuit board |
| CN117479430B (en) * | 2023-10-11 | 2024-06-21 | 惠州市兴顺和电子有限公司 | Device for improving warping of circuit board |
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Application publication date: 20220513 |