CN214981580U

CN214981580U - Pin device is retreated in drilling of accurate printed wiring board

Info

Publication number: CN214981580U
Application number: CN202121438587.6U
Authority: CN
Inventors: 潘鹏
Original assignee: Shenzhen Haoshengda Industrial Co ltd
Current assignee: Shenzhen Haoshengda Industrial Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a pin device is retreated in drilling of accurate printed wiring board, comprises a workbench, there are two electric putter of symmetric distribution at workstation inner wall top through bolt fixed mounting, electric putter output bottom fixed mounting has the thimble, the welding of workstation inner wall bottom one side has the mount, the welding of workstation inner wall bottom opposite side has puts the thing platform. The utility model overcomes prior art's is not enough, through the flexible length of control electric putter, alright realize squeeze into and take off of shop bolt, by the motor, the positioning mechanism that multipart such as belt and two locating levers are constituteed still can fix a position the circuit board when punching, the oblique box of collection of slope both is convenient for carry out temporary storage to the pin of taking off, can make the pin of storage remove to one side under the angle of self slope again, reduce the influence when collecting the pin that piles up gradually in the oblique box to the thimble nailing and move back the nail, whole facilitates the use, suitable bulk production.

Description

Pin device is retreated in drilling of accurate printed wiring board

Technical Field

The utility model belongs to the technical field of machinery and specifically relates to a pin device is retreated in drilling of accurate printed wiring board is related to.

Background

The existing LED lamp panels, cosmetic mirrors and advertisement machines are often provided with lamp panels or circuit boards which are all made of precise printed circuit boards. The precision printed circuit boards are also often applied to the field of chip component production equipment or semiconductor light emitting diodes and LED backlight sources, and the precision printed circuit boards are often subjected to SMT (surface mount technology) chip packaging. Drilling is needed to be carried out on the precise printed circuit board before SMT patch packaging.

In the drilling process of the PCB of the circuit board, the PCB must be fixed on a working table of a CNC (computer numerical control) drilling machine. The single-sided board and the double-sided board are fixed by firstly punching a positioning pin with the diameter of 3.175mm on each board edge at two ends of the PCB, and the positioning pins are used for positioning and fixing the circuit board to prevent the circuit board from being damaged due to deviation in punching. When the drilling process is completed, the dowel must be removed before inspection, surface treatment and circulation. Because the diameter of the pre-drilled hole is generally 3.15mm before a positioning pin with the diameter of 3.175mm is driven based on the requirement of positioning precision, the positioning is ensured to be firm through the interference fit.

However, when these pins need to be taken down in the completion of processing, people mostly adopt manual punch press, rely on manpower eyeballing and manual adjustment completely, press down hard after finding approximate center, a pin often will be several seconds time and many times hand press can take off, and do not have the location to produce the skew easily, can damage the face, and also mostly adopt the manual adjustment of manpower and the mode of pushing down when driving into the locating pin, make and all waste time and energy when driving into and taking off the locating pin, still can cause the damage to the circuit board, so can't satisfy prior art needs.

SUMMERY OF THE UTILITY MODEL

To not enough to prior art, the utility model provides a pin device is retreated in drilling of accurate printed wiring board has overcome prior art's not enough, aims at solving the unable problem of squeezing into and taking off to the shop bolt labour saving and time saving.

In order to achieve the above object, the utility model provides a following technical scheme: a pin withdrawing device for drilling of a precise printed circuit board comprises a workbench, wherein two electric push rods which are symmetrically distributed are fixedly installed at the top of the inner wall of the workbench through bolts, thimbles are fixedly installed at the bottoms of the output ends of the electric push rods, a fixing frame is welded at one side of the bottom of the inner wall of the workbench, a placing platform is welded at the other side of the bottom of the inner wall of the workbench, an inclined collecting tank is arranged at one side of the placing platform, two nail falling holes which are symmetrically distributed are formed at the top of the inner wall of the collecting tank and are positioned under the thimbles, a first positioning rod and a second positioning rod which are symmetrically distributed are sleeved on the outer wall of the fixing frame in a sliding mode, an extension rod is welded at one end of the second positioning rod, reset springs are welded at one sides of the first positioning rod and the second positioning rod, one end of each reset spring is welded on the outer wall of the fixing frame, and a motor is fixedly installed at the bottom of the inner wall of the workbench through bolts, the fixed cover of motor output end outer wall has the V band pulley, the outer slip cover of V band pulley has the belt, belt one end is inlayed at first locating lever outer wall, the belt other end is inlayed at the extension rod outer wall, first locating lever and second locating lever bottom all contact with putting thing platform top.

As the utility model discloses a preferred technical scheme, the welding of workstation inner wall top has the limiting plate, first locating lever and the equal sliding sleeve of second locating lever one end are at the limiting plate inner wall.

As an optimized technical scheme of the utility model, the mount is located the motor and puts between the thing platform, it is located between mount and the limiting plate to put the thing platform.

As an optimized technical scheme of the utility model, first locating lever and second locating lever are located two between the reset spring.

As an optimized technical scheme of the utility model, the movable sleeve has the oblique box of collection in the collecting vat, collect oblique box one side and put thing platform outer wall and pass through hasp cooperation lock joint.

As a preferred technical scheme of the utility model, electric putter and motor all with external power source electric connection, the second locating lever is located between limiting plate and the extension rod.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a motor, the operation and the cooperation of multicomponent such as belt and two locating levers, can drive two locating levers simultaneously with the circuit board to putting thing platform center department promotion, come to advance line location fast to the circuit board, make the locating hole of circuit board can aim at with the nail hole of falling fast, the flexible back of electric putter of being convenient for, the thimble can be squeezed into fast and take off the location bolt, need not the long-time range estimation of manpower and manual adjustment in the positioning process, make the nailing with move back the nail time province labour saving and time saving, also avoided causing the damage to the circuit board when the nailing with moving back the nail, the practicality of device has been improved.

(2) The utility model discloses a flexible length of control electric putter, alright realize squeeze into and take off of dowel, by the motor, the positioning mechanism that multipart such as belt and two locating levers are constituteed still can fix a position the circuit board when punching, the oblique box of collection of slope both is convenient for carry out temporary storage to the pin of taking off, can make the pin of storage remove to one side again under the angle of self slope, reduce the influence of the pin of piling gradually in collecting the oblique box to the thimble nailing with move back the nail, whole facilitate the use, suitable bulk production.

Drawings

Fig. 1 is an overall structure front view of the present invention;

FIG. 2 is a front sectional view of the overall structure of the present invention;

FIG. 3 is a top sectional view of the overall structure of the present invention;

fig. 4 is a side sectional view of the collecting chute according to the present invention.

Description of reference numerals:

1. a work table; 11. an electric push rod; 12. a thimble; 13. a limiting plate; 2. a placing table; 21. collecting tank; 22. a nail dropping hole; 23. collecting the inclined boxes; 3. a fixed mount; 31. a first positioning rod; 32. a second positioning rod; 33. an extension pole; 34. a return spring; 35. a motor; 36. a belt; 37. and a V belt wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a pin withdrawing device for drilling holes on a precision printed circuit board comprises a workbench 1, two electric push rods 11 which are symmetrically distributed are fixedly arranged at the top of the inner wall of the workbench 1 through bolts, so that the electric push rods 11 can be conveniently supported and fixed, a thimble 12 is fixedly arranged at the bottom of the output end of the electric push rods 11, the thimble 12 can be driven to lift after the electric push rods 11 stretch, so that the thimble 12 can press a positioning pin, a fixing frame 3 is welded at one side of the bottom of the inner wall of the workbench 1 and is convenient to fix the fixing frame 3, the fixing frame 3 is formed by welding two vertical plates and a cross rod, as shown in fig. 3, so that the two positioning rods can be conveniently supported, an object placing table 2 is welded at the other side of the bottom of the inner wall of the workbench 1 and is convenient to fix and support the object placing table 2, an inclined collecting groove 21 is formed at one side of the object placing table 2, and the collecting groove 21 can collect the taken-down pins, two nail falling holes 22 which are symmetrically distributed are formed in the top of the inner wall of the collecting groove 21, the nail falling holes 22 can be matched with the pins to position and fix the circuit board, and the pins can enter the hanging collecting groove 21 through the nail falling holes 22 when the nails are withdrawn.

The nail falling hole 22 is positioned under the thimble 12, which is convenient for the thimble 12 to press the pin in the nail falling hole 22, the outer wall of the fixing frame 3 is slidably sleeved with a first positioning rod 31 and a second positioning rod 32 which are symmetrically distributed, which is convenient for the two positioning rods to transversely move on the fixing frame 3, one end of the second positioning rod 32 is welded with an extension rod 33 which can extend one side of the second positioning rod 32, one side of the first positioning rod 31 and one side of the second positioning rod 32 are both welded with a return spring 34, one end of the return spring 34 is welded on the outer wall of the fixing frame 3, the elasticity of the return spring 34 to the two positioning rods can push the two positioning rods to the center of the fixing frame 3, the bottom of the inner wall of the workbench 1 is fixedly provided with a motor 35 through bolts, which is convenient for fixing the motor 35, the outer wall of the output end of the motor 35 is fixedly sleeved with a V belt wheel 37, the motor 35 can drive the V belt wheel 37 to rotate after running, the V belt wheel 37 is slidably sleeved outside, rotatory back V band pulley 37 can drive belt 36 and remove, belt 36 one end is inlayed at first locating lever 31 outer wall, the belt 36 other end is inlayed at extension rod 33 outer wall, belt 36 can connect and the pulling two locating levers, first locating lever 31 and second locating lever 32 bottom all contact with putting thing platform 2 top, make two locating levers can fix a position the circuit board on the thing platform 2, two locating levers can only play the effect to the circuit board location, can't fix the circuit board, still need use the dowel to fix the circuit board.

Specifically, please refer to fig. 2-3, a limiting plate 13 is welded on the top of the inner wall of the working table 1, one end of each of the first positioning rod 31 and the second positioning rod 32 is slidably sleeved on the inner wall of the limiting plate 13, and the limiting plate 13 can support and limit one end of each of the two positioning rods, thereby improving the stability of the two positioning rods during movement.

Specifically, please refer to fig. 3, the fixing frame 3 is located between the motor 35 and the object placing table 2, and the object placing table 2 is located between the fixing frame 3 and the limiting plate 13, so as to facilitate the movement between the components.

Specifically, referring to fig. 3, the first positioning rod 31 and the second positioning rod 32 are located between the two return springs 34, so that the two return springs 34 can push the two positioning rods by the elastic force.

Specifically, please refer to fig. 1-4, the collection groove 21 is movably sleeved with a collection inclined box 23, so as to facilitate the collection of the collection inclined box 23, one side of the collection inclined box 23 is fastened with the outer wall of the object placing table 2 by locking, so as to facilitate the collection of the inclined box 23 and the fixation of the object placing table 2.

Specifically, referring to fig. 1 to 4, the electric push rod 11 and the motor 35 are electrically connected to an external power source, the external power source supplies power, and the second positioning rod 32 is located between the limiting plate 13 and the extension rod 33, so that the extension rod 33 extends the second positioning rod 32 and the limiting plate 13 supports and limits the second positioning rod 32.

The working principle is as follows: when in use, the circuit board is placed in the middle of the object placing table 2, the motor 35 is started, the motor 35 drives the V-belt wheel 37 to rotate after running, the belt 36 is pulled, the two positioning rods move to the center of the fixing frame 3 under the elastic force of the return spring 34 and the pulling of the belt 36, the two positioning rods can clamp and position the circuit board on the object placing table 2, so that people can align the positioning holes on the circuit board with the nail falling holes 22 more quickly, when nailing is required, the bottom end parts of the positioning pins can be inserted into the positioning holes on the circuit board, then the electric push rod 11 is started, the thimble 12 which can be hit after the electric push rod 11 stretches out and draws back is lifted, the pins can be hit into the positioning holes and the nail falling holes 22 after the thimble 12 is lifted and drawn back, the pins in the nail falling holes 22 can be pushed into the collecting groove 21 after the electric push rod 11 stretches out and draws back, the inclined collecting chute 23 is used for collecting the pins, the driving in and the taking off of the positioning pin can be realized by controlling the telescopic length of the electric push rod 11.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pin device is retreated in drilling of accurate printed wiring board, includes workstation (1), its characterized in that: the automatic nail dropping device is characterized in that two electric push rods (11) which are symmetrically distributed are fixedly arranged at the top of the inner wall of the workbench (1) through bolts, thimbles (12) are fixedly arranged at the bottom of the output ends of the electric push rods (11), a fixing frame (3) is welded at one side of the bottom of the inner wall of the workbench (1), a storage platform (2) is welded at the other side of the bottom of the inner wall of the workbench (1), an inclined collecting tank (21) is arranged at one side of the storage platform (2), two nail dropping holes (22) which are symmetrically distributed are arranged at the top of the inner wall of the collecting tank (21), the nail dropping holes (22) are positioned under the thimbles (12), a first positioning rod (31) and a second positioning rod (32) which are symmetrically distributed are sleeved on the outer wall of the fixing frame (3) in a sliding manner, an extension rod (33) is welded at one end of the second positioning rod (32), and reset springs (34) are welded at one sides of the first positioning rod (31) and the second positioning rod (32), reset spring (34) one end welding is in mount (3) outer wall, there is motor (35) workstation (1) inner wall bottom through bolt fixed mounting, motor (35) output end outer wall fixed cover has V band pulley (37), V band pulley (37) outer slip cover has belt (36), belt (36) one end is inlayed at first locating lever (31) outer wall, belt (36) other end is inlayed at extension rod (33) outer wall, first locating lever (31) and second locating lever (32) bottom all contact with put thing platform (2) top.

2. The precise printed circuit board drilling and back pin device according to claim 1, wherein: limiting plates (13) are welded at the tops of the inner walls of the working table (1), and one ends of the first positioning rods (31) and the second positioning rods (32) are all slidably sleeved on the inner walls of the limiting plates (13).

3. The precise printed circuit board drilling and back pin device according to claim 2, wherein: the fixing frame (3) is located between the motor (35) and the object placing table (2), and the object placing table (2) is located between the fixing frame (3) and the limiting plate (13).

4. The precise printed circuit board drilling and back pin device according to claim 1, wherein: the first positioning rod (31) and the second positioning rod (32) are positioned between the two return springs (34).

5. The precise printed circuit board drilling and back pin device according to claim 1, wherein: the collecting groove (21) is internally movably sleeved with a collecting inclined box (23), and one side of the collecting inclined box (23) is matched and fastened with the outer wall of the object placing table (2) through a lock catch.

6. The precise printed circuit board drilling and back pin device according to claim 2, wherein: electric putter (11) and motor (35) all with external power source electric connection, second locating lever (32) are located between limiting plate (13) and extension rod (33).