CN218587562U

CN218587562U - Material feeding unit that can dial

Info

Publication number: CN218587562U
Application number: CN202222888361.7U
Authority: CN
Inventors: 罗心华; 曾燕
Original assignee: Shenzhen Fastpcba Electronic Co ltd
Current assignee: Shenzhen Fastpcba Electronic Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-07
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a can dial material feeding unit, including the bottom plate, the top surface of bottom plate is fixedly connected with feeding mechanism, two splint, SMT chip mounter and mounting groove respectively, and the top surface of mounting groove is fixedly connected with plectrum and unloading ramp respectively, the inner wall fixedly connected with conveyer belt material feeding unit of mounting groove, and the opposite face of two splint rotates respectively and is connected with first live-rollers and second live-rollers, and feeding mechanism's top is provided with the circuit board and places the case, and feeding mechanism's the place ahead is provided with drive mechanism. The utility model discloses a set up feeding mechanism, the PCB board removes on the device all the time, the situation that drops can not appear, rotation through the motor periodically drives the ejector pad and releases the discharge opening with the PCB board, not only avoids user's direct contact PCB board, leads to the tin cream to warp, has avoided sending into too much PCB board in the short time to the SMT chip mounter moreover, leads to the SMT chip mounter not in time to handle, has influenced SMT chip mounter's work efficiency.

Description

Material feeding unit that can dial

Technical Field

The application relates to SMT paster processing equipment technical field especially relates to a material feeding unit that can dial.

Background

The process of SMT paster processing can divide into raw materials preparation stage, laser cutting steel ring, tin cream printing, SPI detects, the paster, reflow soldering, AOI detects, X-ray detects these eight steps, and in the paster stage, the PCB board that needs the user to scribble the tin cream sends into the chip mounter and carries out the paster, places the electrical components who needs on the PCB board, need a material feeding unit that can dial right for this reason, helps the staff to send into the chip mounter with the PCB board.

Current SMT paster material feeding unit for processing that can dial, as a SMT paster material feeding unit disclosed in China patent grant number CN209609113U, comprising a frame body, the slip track, the bracing piece, the axis of rotation, the connecting rod, sliding shaft isotructure, rotation through the pivot makes the loose axle can slide in the inside of mounting panel, make to rotate out an angle between loop bar and the horizontal plane, let the sucking disc also can change the angle, make the sucking disc can carry out multi-angle direction's regulation, make things convenient for the sucking disc to adsorb the paster of different grade type, the application range of sucking disc has been improved, and the work efficiency is improved.

But this kind of SMT paster material feeding unit still has some not enoughly, the easy appearance of sucking disc is damaged, and life is short, and when the sucking disc was damaged, the suction of sucking disc reduced, leads to the material landing easily when the material transportation, causes the damage of material, needs a material feeding unit that can dial to just for this reason to solve above-mentioned not enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a material feeding unit that can adjust to solve the problem that proposes in the above-mentioned background art.

The embodiment of the application adopts the following technical scheme:

the utility model provides a can dial material feeding unit, includes the bottom plate, the top surface fixedly connected with feeding mechanism of bottom plate, two splint of top surface fixedly connected with of bottom plate, the top surface fixedly connected with SMT chip mounter of bottom plate, the top surface fixedly connected with mounting groove of bottom plate, the top surface fixedly connected with plectrum of mounting groove, the top surface fixedly connected with unloading ramp of mounting groove, the inner wall fixedly connected with conveyer belt material feeding unit of mounting groove, two the opposite face of splint is rotated and is connected with first live-rollers, two the opposite face of splint is rotated and is connected with the second live-rollers, feeding mechanism's top is provided with the circuit board and places the case, feeding mechanism's the place ahead is provided with drive mechanism.

Preferably, feeding mechanism includes with two backup pads of bottom plate top surface fixed connection, two the bottom surface fixed connection of case is all placed with the circuit board to the top surface of backup pad, two the opposite face of backup pad is rotated and is connected with same axis of rotation, the fixed surface of axis of rotation is connected with the rotation wheel, the front side of preceding collateral branch backup pad is run through to the front end of axis of rotation.

Preferably, the top surface of bottom plate rotates and is connected with the dwang, the oval piece of front side fixedly connected with of dwang, oval piece surface is laminated with the surface of rotating the wheel, the top surface fixedly connected with fixed plate of bottom plate, the left side fixedly connected with pay-off spring of fixed plate, the left end of pay-off spring and the right side fixed connection of dwang.

Preferably, the discharge opening has been seted up on the right side that the case was placed to the circuit board, the left side that the case was placed to the circuit board runs through and has been seted up the hole of dodging, the inner wall sliding connection who dodges the hole has the slider, the groove of dodging has been seted up to the top surface of slider, the inner wall sliding connection who dodges the groove has the ejector pad, the bottom surface fixedly connected with reset spring of ejector pad, reset spring's bottom and the inner diapire fixed connection who dodges the groove, the bottom surface of slider is rotated with the top of dwang and is connected.

Preferably, drive mechanism is including setting up the action wheel in feeding mechanism the place ahead, the rear side of action wheel is connected with the front side rotation of front side backup pad, the front side rotation of splint is connected with from the driving wheel, the surperficial overlap joint of action wheel has drive belt, pass through drive belt from the driving wheel and be connected with the action wheel transmission.

Preferably, the rear side of action wheel and the front end fixed connection of axis of rotation, the front end of second live-rollers run through the front side of front side splint and with from the rear side fixed connection of driving wheel, the front side fixedly connected with mounting bracket of backup pad, the top surface fixedly connected with motor of mounting bracket, the output of motor and the front side fixed connection of action wheel.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

the utility model discloses a set up feeding mechanism, the ejector pad can only contact the left surface of PCB board, can not contact with the top surface of PCB board, the damage to PCB board top surface tin cream has been avoided, the PCB board removes on the device all the time, the situation that drops can not appear, rotation through the motor drives the ejector pad periodically and releases the discharge opening with the PCB board, not only avoid user direct contact PCB board, lead to the tin cream to warp, and avoided sending into too much PCB board in the short time to the SMT chip mounter, lead to SMT chip mounter failure in time to handle, SMT chip mounter's work efficiency has been influenced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a diagram: the structure of the utility model is shown schematically;

FIG. 2 is a diagram of: the structure schematic diagram of the mounting groove of the utility model;

FIG. 3 is a diagram: the utility model discloses a structural schematic diagram of a feeding mechanism (a sectional view of a circuit board placing box);

FIG. 4 shows: the front view structure schematic diagram of the feeding mechanism (the section of the circuit board placing box) of the utility model;

FIG. 5 is a diagram: the utility model discloses a schematic sectional structure diagram of a sliding block;

FIG. 6 is a diagram of: the utility model discloses drive mechanism's schematic structure drawing.

In the figure: 1. a base plate; 2. a feeding mechanism; 201. a support plate; 202. an elliptical block; 203. a slider; 204. a push block; 205. a rotating shaft; 206. a feeding spring; 207. a fixing plate; 208. rotating the rod; 209. a rotating wheel; 210. an avoidance groove; 211. a return spring; 3. a splint; 4. a first rotating roller; 5. a second rotating roller; 6. a blanking ramp; 7. SMT chip mounter; 8. a transmission mechanism; 801. a mounting frame; 802. a motor; 803. a driving wheel; 804. a driven wheel; 805. a drive belt; 9. a circuit board placing box; 10. a shifting sheet; 11. a conveyor belt feeding device; 12. avoiding holes; 13. a discharge hole; 14. and (4) mounting the groove.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-6, the present invention provides a technical solution of a material feeding device capable of correcting:

the utility model provides a can dial material feeding unit, comprising a base plate 1, the top surface fixedly connected with feeding mechanism 2 of bottom plate 1, two splint 3 of top surface fixedly connected with of bottom plate 1, the top surface fixedly connected with SMT chip mounter 7 of bottom plate 1, the top surface fixedly connected with mounting groove 14 of bottom plate 1, the top surface fixedly connected with plectrum 10 of mounting groove 14, the top surface fixedly connected with unloading ramp 6 of mounting groove 14, the inner wall fixedly connected with conveyer belt material feeding unit 11 of mounting groove 14, the opposite face of two splint 3 is rotated and is connected with first live-rollers 4, the opposite face of two splint 3 is rotated and is connected with second live-rollers 5, feeding mechanism 2's top is provided with the circuit board and places case 9, feeding mechanism 2's the place ahead is provided with drive mechanism 8.

Specifically, bottom plate 1 provides mounting platform, the circuit board is arranged in the case 9 and is used for holding the PBC board of advancing tin cream printing step, can drive feeding mechanism 2 during the function of drive mechanism 8, PBC board in the case 9 is placed to the circuit board is pushed to between the clearance of first live-rollers 4 and second live-rollers 5 during feeding mechanism 2 functions, second live-rollers 5 rotates under drive mechanism 8's drive, PBC board is under first live-rollers 4 and second live-rollers 5's effect, PBC board falls on conveyer belt material feeding unit 11 along unloading ramp 6, carry out the paster step in SMT chip mounter 7 is sent into in conveyer belt material feeding unit 11's function thereupon, SMT chip mounter 7 is the equipment that uses in the current SMT paster processing, there is professional technical field to study, the utility model discloses do not excessively to give unnecessary redundant details.

In this embodiment, as shown in fig. 3 to 5, the feeding mechanism 2 includes two supporting plates 201 fixedly connected to the top surface of the bottom plate 1, the top surfaces of the two supporting plates 201 are both fixedly connected to the bottom surface of the circuit board placing box 9, the opposite surfaces of the two supporting plates 201 are rotatably connected to the same rotating shaft 205, the surface of the rotating shaft 205 is fixedly connected to a rotating wheel 209, and the front end of the rotating shaft 205 penetrates through the front side of the front supporting plate 201.

The top surface of the bottom plate 1 is rotatably connected with a rotating rod 208, the front side of the rotating rod 208 is fixedly connected with an elliptical block 202, the surface of the elliptical block 202 is attached to the surface of a rotating wheel 209, the top surface of the bottom plate 1 is fixedly connected with a fixing plate 207, the left side of the fixing plate 207 is fixedly connected with a feeding spring 206, and the left end of the feeding spring 206 is fixedly connected with the right side of the rotating rod 208.

The discharge opening 13 has been seted up on the right side that the case 9 was placed to the circuit board, the left side that case 9 was placed to the circuit board runs through and has been seted up dodge hole 12, the inner wall sliding connection who dodges hole 12 has slider 203, dodge groove 210 has been seted up to slider 203's top surface, the inner wall sliding connection who dodges groove 210 has ejector pad 204, the bottom surface fixedly connected with reset spring 211 of ejector pad 204, reset spring 211's bottom and the interior diapire fixed connection who dodges groove 210, slider 203's bottom surface and dwang 208's top are rotated and are connected.

Specifically, by arranging the feeding mechanism 2, when a user starts the motor 802, the motor 802 rotates to drive the rotating shaft 205 to rotate, the rotating shaft 205 rotates to drive the rotating wheel 209 to rotate, the rotating wheel 209 is an eccentric wheel relative to a common and disc, a part of the front side of the rotating wheel 209 is absent, because the surface of the elliptical block 202 is attached to the surface of the rotating wheel 209, under the action of the feeding spring 206, the elliptical block 202 drives the rotating rod 208 to swing in the left-right direction along with the rotation of the rotating wheel 209, when the rotating rod 208 swings in the right direction, the rotating rod 208 drives the sliding block 203 to move in the right direction, when the sliding block 203 slides in the right direction along the inner wall of the avoidance hole 12, the sliding block 203 moves to drive the pushing block 204 to move, when the pushing block 204 moves, the PCB in the circuit board placing box 9 is pushed to move in the right direction, the PCB is pushed out of the discharging hole 13, when the rotating rod 208 swings in the left direction, the rotating rod 208 drives the sliding block 203 to move in the left direction, the slider 203 moves to drive the push block 204 to move, due to the shape of the push block 204, at the moment, the PCB presses the push block 204 into the avoidance groove 210, the reset spring 211 is pressed, when the slider 203 moves to the leftmost end, the push block 204 crosses the PCB, under the action of the reset spring 211, the slider 203 returns to the original position, the push block 204 can only contact the left side surface of the PCB and can not contact the top surface of the PCB, the damage to the solder paste on the top surface of the PCB is avoided, the PCB always moves on the device, the dropping condition can not occur, the push block 204 is periodically driven to push the PCB out of the discharge hole 13 through the rotation of the motor 802, a user is prevented from directly contacting the PCB, the solder paste is prevented from deforming, and too many PCBs are prevented from being fed into the SMT chip mounter 7 in a short time, the SMT chip mounter 7 cannot process timely, and the working efficiency of the SMT chip mounter 7 is influenced.

In this embodiment, as shown in fig. 6, the transmission mechanism 8 includes a driving wheel 803 disposed in front of the feeding mechanism 2, a rear side of the driving wheel 803 is rotatably connected to a front side of the front side supporting plate 201, a front side of the front side clamping plate 3 is rotatably connected to a driven wheel 804, a transmission belt 805 is overlapped on a surface of the driving wheel 803, and the driven wheel 804 is in transmission connection with the driving wheel 803 through the transmission belt 805.

The rear side of action wheel 803 and the front end fixed connection of axis of rotation 205, the front end of second live-rollers 5 run through the front side of front side splint 3 and with the rear side fixed connection from driving wheel 804, the front side fixedly connected with mounting bracket 801 of front side backup pad 201, the top surface fixedly connected with motor 802 of mounting bracket 801, the output of motor 802 and the front side fixed connection of action wheel 803.

Specifically, conveyer belt material feeding unit 11 is the commonly used material feeding unit in the mill, the main part comprises conveyer belt and two and rotates wheel 209, through setting up drive mechanism 8, when user's starter motor 802, motor 802 operates and drives action wheel 803 and rotate, action wheel 803 rotates and drives axis of rotation 205 and rotates from driving wheel 804, it rotates to drive second live-rollers 5 when rotating from driving wheel 804, when the discharge opening 13 was released by ejector pad 204 to the PCB board, the PCB board is driven by pivoted second live-rollers 5, under the effect of first live-rollers 4 and second live-rollers 5, fall on conveyer belt material feeding unit 11's conveyer belt along unloading ramp 6, finally get into and carry out the paster in SMT chip mounter 7.

The working principle is as follows: when the pokable feeding device is used, a user firstly feeds a PCB (printed Circuit Board) coated with solder paste into a circuit board placing box 9, then a motor 802 is started, the motor 802 operates to drive a driving wheel 803 to rotate, the driving wheel 803 rotates to drive a rotating shaft 205 and a driven wheel 804 to rotate, the rotating shaft 205 rotates to drive a rotating wheel 209 to rotate, the rotating wheel 209 is opposite to a common disc, the front side of the rotating wheel 209 is lack of a part and is an eccentric wheel, because the surface of an elliptic block 202 is attached to the surface of the rotating wheel 209, the elliptic block 202 drives the rotating rod 208 to swing in the left-right direction along with the rotation of the rotating wheel 209 under the action of a feeding spring 206, when the rotating rod 208 swings in the right direction, the rotating rod 208 drives the sliding block 203 to move in the right direction, when the sliding block 203 slides in the right direction along the inner wall of an avoidance hole 12, the sliding block 203 drives a pushing block 204 to move, and when the pushing block 204 moves to push the PCB in the circuit board placing box 9 in the right direction, the PCB is pushed out of the discharge hole 13, when the rotating rod 208 swings leftwards, the rotating rod 208 drives the sliding block 203 to move leftwards, the sliding block 203 drives the pushing block 204 to move, due to the shape of the pushing block 204, the pushing block 204 is pressed into the avoiding groove 210 by the PCB at the moment, the reset spring 211 is pressed at the moment, when the sliding block 203 moves to the leftmost end, the pushing block 204 crosses the PCB, the sliding block 203 returns to the original position under the action of the reset spring 211, the pushing block 204 is periodically driven to push the PCB out of the discharge hole 13 by the rotation of the motor 802, not only is the solder paste deformation caused by the direct contact of a user with the PCB avoided, but also the phenomenon that the SMT chip mounter 7 cannot timely process due to too many PCBs fed into the SMT chip mounter 7 in a short time is avoided, the working efficiency of the SMT chip mounter 7 is influenced, the second rotating roller 5 is driven to rotate by the rotation of the driven wheel 804, when the PCB is pushed out of the discharge hole 13 by the pushing block 204, the PCB is driven by the second rotating roller 5, falls on a conveying belt of the conveying belt feeding device 11 along the blanking ramp 6 under the action of the first rotating roller 4 and the second rotating roller 5, and finally enters the SMT chip mounter 7 for chip mounting.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus comprising the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a material feeding unit that can dial, includes bottom plate (1), its characterized in that: the utility model discloses a quick-witted, including bottom plate (1), top surface fixedly connected with feeding mechanism (2), two splint (3) of top surface fixedly connected with of bottom plate (1), top surface fixedly connected with SMT chip mounter (7) of bottom plate (1), top surface fixedly connected with mounting groove (14) of bottom plate (1), top surface fixedly connected with plectrum (10) of mounting groove (14), top surface fixedly connected with unloading ramp (6) of mounting groove (14), inner wall fixedly connected with conveyer belt material feeding unit (11) of mounting groove (14), two the opposite face of splint (3) is rotated and is connected with first live-rollers (4), two the opposite face of splint (3) is rotated and is connected with second live-rollers (5), the top of feeding mechanism (2) is provided with the circuit board and places case (9), the place of feeding mechanism (2) is provided with drive mechanism (8).

2. The feed device capable of being corrected according to claim 1, wherein: feeding mechanism (2) include with two backup pad (201) of bottom plate (1) top surface fixed connection, two the bottom surface fixed connection of case (9) is all placed with the circuit board to the top surface of backup pad (201), two the opposite face of backup pad (201) is rotated and is connected with same axis of rotation (205), the fixed surface of axis of rotation (205) is connected with rotates wheel (209), the front side of preceding collateral branch backup pad (201) is run through to the front end of axis of rotation (205).

3. The material feeding device capable of being corrected according to claim 2, wherein: the top surface of bottom plate (1) is rotated and is connected with dwang (208), the front side fixedly connected with oval piece (202) of dwang (208), oval piece (202) surface and the laminating of the surface of rolling wheel (209), the top surface fixedly connected with fixed plate (207) of bottom plate (1), the left side fixedly connected with pay-off spring (206) of fixed plate (207), the left end of pay-off spring (206) and the right side fixed connection of dwang (208).

4. A feed arrangement for a setting tool as claimed in claim 3, characterised in that: discharge opening (13) have been seted up on the right side that case (9) were placed to the circuit board, the left side that case (9) were placed to the circuit board runs through and has been seted up dodge hole (12), the inner wall sliding connection who dodges hole (12) has slider (203), groove (210) have been seted up and dodged to the top surface of slider (203), the inner wall sliding connection who dodges groove (210) has ejector pad (204), the bottom surface fixedly connected with reset spring (211) of ejector pad (204), the bottom of reset spring (211) and the interior diapire fixed connection who dodges groove (210), the bottom surface of slider (203) rotates with the top of dwang (208) to be connected.

5. The feed device capable of being corrected according to claim 1, wherein: drive mechanism (8) are including setting up action wheel (803) in feeding mechanism (2) the place ahead, the rear side of action wheel (803) is connected with the front side rotation of front side backup pad (201), and the front side rotation of splint (3) is connected with from driving wheel (804), the surface overlap joint of action wheel (803) has drive belt (805), from driving wheel (804) through drive belt (805) with action wheel (803) transmission connection.

6. The material feeding device capable of being corrected according to claim 5, wherein: the rear side of action wheel (803) and the front end fixed connection of axis of rotation (205), the front end of second live-rollers (5) run through the front side of front side splint (3) and with the rear side fixed connection from driving wheel (804), the front side fixedly connected with mounting bracket (801) of backup pad (201), the top surface fixedly connected with motor (802) of mounting bracket (801), the output of motor (802) and the front side fixed connection of action wheel (803).