CN213765604U - Pulling device - Google Patents

Abstract

The utility model relates to a chip test technical field discloses a pull-out device. The pulling device comprises a supporting mechanism, a pulling mechanism and a driving mechanism, wherein the supporting mechanism comprises a fixed assembly and a movable assembly, the pulling mechanism is rotatably arranged on the movable assembly, the pulling mechanism can respectively clamp two sides of a piece to be pulled, and the driving mechanism is connected with the movable assembly and is configured to drive the movable assembly to move upwards relative to the fixed assembly so as to pull the piece to be pulled clamped by the pulling mechanism from a PCB. When the to-be-pulled piece is required to be detached from the PCB, the pulling mechanism is firstly enabled to clamp two sides of the to-be-pulled piece, then the driving mechanism is utilized to drive the movable assembly to move upwards relative to the fixed assembly, the effect of detaching the to-be-pulled piece from the PCB can be achieved, the pulling efficiency is high, and the pulling quality is good.

Description

Pulling device

Technical Field

The utility model relates to a chip test technical field especially relates to a pull-out device.

Background

With the development of science and technology, printed circuit boards have been widely used in various electronic products, which greatly reduces errors in wiring and assembly, and improves automation level and production labor rate.

However, during actual production testing, some circuit boards have their attached boards replaced or removed for some reason. Because some attach the board and adopt multirow contact pin, socket to connect, the power of being connected between contact pin and the socket is great, and bare-handed dismantlement needs very big power or even can't dismantle, and simultaneously because bare-handed dismantlement atress is inhomogeneous, it probably leads to the circuit board to attach board or device and takes place to damage.

Therefore, it is desirable to provide a pulling apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a pull-out device can conveniently easily pull down the PCB annex, improves and pulls out the quality.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an extraction device, comprising:

the supporting mechanism comprises a fixed component and a movable component;

the pulling-out mechanism is rotationally arranged on the movable assembly and can clamp two sides of the piece to be pulled out;

and the driving mechanism is connected with the movable assembly and is configured to drive the movable assembly to move upwards relative to the fixed assembly so as to pull the to-be-pulled piece clamped by the pulling-out mechanism from the PCB.

As a preferable aspect of the pulling-out apparatus, the movable member includes:

a movable plate;

the adjusting component is arranged on the movable plate in a sliding mode, the pulling-up mechanism is arranged on the adjusting component in a rotating mode, and the adjusting component is configured to adjust the distance between the pulling-up mechanisms.

As a preferable aspect of the pulling-out apparatus, the adjusting member includes:

the adjusting plate is connected with the movable plate in a sliding mode, and the pulling-up mechanism is rotatably arranged on the adjusting plate;

the limiting pin is arranged on the adjusting plate, a plurality of limiting holes are formed in the fixing assembly and are arranged along the sliding direction of the adjusting plate, and the limiting pin can be selectively connected with any limiting hole in an inserting mode.

As a preferable scheme of the pulling-out device, one of the movable plate and the adjusting plate is provided with a guide sliding groove, and the other is provided with a guide projection, and the guide projection is in sliding fit in the guide sliding groove.

As a preferable aspect of the extraction device, the extraction mechanism includes:

the rotating shaft is arranged on the adjusting plate;

the pulling clamping jaw is rotationally connected with the rotating shaft;

the two ends of the reset piece are respectively connected with the pulling clamping jaw and the adjusting plate.

As a preferable aspect of the extraction device, the extraction mechanism further includes:

and the shifting rod is connected with the pulling clamping jaw and can drive the pulling clamping jaw to rotate.

As a preferable scheme of the pulling device, the bottom of the pulling clamping jaw is provided with a guide inclined plane.

As a preferable scheme of the pulling-out device, the fixing component comprises an upper supporting plate and a lower supporting plate, and the movable plate is located between the upper supporting plate and the lower supporting plate;

the drive mechanism includes:

the adjusting knob comprises a rotary disc and a screw rod which are connected, the rotary disc is positioned above the upper supporting plate, one end of the screw rod is rotatably connected with the upper supporting plate, and the other end of the screw rod is in threaded connection with the movable plate;

the guide post, the both ends of guide post respectively with go up the backup pad with the bottom suspension fagging is connected, be provided with the guiding hole on the fly leaf, the guide post can wear to locate in the guiding hole.

As a preferable scheme of the pulling-out device, the adjusting knob further comprises a protrusion, and the protrusion is arranged on the upper surface of the rotating disc.

As a preferred scheme of the pulling device, the bottom of the fixing component is provided with a positioning pin, and the positioning pin can be matched with the positioning hole in the PCB so as to position the piece to be pulled.

The utility model has the advantages that:

the utility model provides a pulling device, including supporting mechanism, actuating mechanism and two pulling mechanisms, when needs will be waited to pull out the piece and pull down from the PCB board, at first make pulling mechanism rotate for movable assembly to the both sides of pulling out the piece are waited to the centre gripping, then utilize actuating mechanism drive movable assembly relatively fixed subassembly upward movement, can realize will waiting to pull out the effect of pulling down from the PCB board, it is efficient to pull out, plays to pull out of high quality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a pulling device according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a pulling device provided by an embodiment of the present invention at a viewing angle;

fig. 3 is an exploded schematic view of the pulling device provided by the embodiment of the present invention at another viewing angle;

fig. 4 is a schematic structural diagram of a pulling mechanism and an adjusting assembly of a pulling apparatus according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of the pulling mechanism and the adjusting assembly of the pulling apparatus according to the embodiment of the present invention;

fig. 6 is a partial enlarged view of fig. 5 at a.

In the figure:

1-a support mechanism; 11-a stationary assembly; 111-an upper support plate; 112-a lower support plate; 113-a locating pin; 12-a movable component; 121-a movable plate; 122-an adjustment assembly; 1221-adjusting plate; 12211-body; 12212-an extension; 1222-a spacing pin;

2-pulling out the mechanism; 21-pulling the clamping jaw; 22-a rotating shaft; 23-a reset member; 24-a deflector rod;

3-a drive mechanism; 31-an adjusting knob; 311-a turntable; 312-screw rod; 313-a protrusion; 32-guide post.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the actual production test process, some PCB auxiliary boards can be plugged in the PCB through the plug connectors, and sometimes some PCB auxiliary boards need to be pulled out from the PCB to separate the PCB auxiliary boards from the PCB, so as to maintain or replace the PCB auxiliary boards. In the prior art, manual separation is usually performed manually, but the PCB attached board is subjected to uneven disassembling force in such a way, so that the PCB or the PCB attached board can be damaged, and the maintenance cost is increased. For solving this problem, this embodiment provides a pull-out device, and this pull-out device can attach the board with the PCB and easily pull out from the PCB board, compares in artifical the dismantlement, and this pull-out device can provide more even dismantlement power to the PCB attaches the board, and it is higher to pull out the quality, can reduce the probability that PCB board or PCB attached board take place to damage.

Specifically, as shown in fig. 1 to fig. 3, the pulling-out device provided in this embodiment includes a supporting mechanism 1, a driving mechanism 3, and two pulling-out mechanisms 2, where the supporting mechanism 1 includes a fixed component 11 and a movable component 12, the two pulling-out mechanisms 2 are rotatably disposed on the movable component 12, the two pulling-out mechanisms 2 can respectively clamp two sides of a to-be-pulled-out member, and the driving mechanism 3 is connected to the movable component 12 and configured to drive the movable component 12 to move upward relative to the fixed component 11, so as to pull out the to-be-pulled-out member clamped by the two pulling-out mechanisms 2 from the PCB. When a to-be-pulled piece is detached from a PCB (printed circuit board), firstly, the two pulling mechanisms 2 are rotated relative to the movable component 12, so that the distance between the two pulling mechanisms 2 is greater than the length or width of the to-be-pulled piece, then, the end parts of the two pulling mechanisms 2 are positioned between the PCB and the to-be-pulled piece, the two sides of the to-be-pulled piece are reset and clamped through the rotation of the two pulling mechanisms 2, then, the driving mechanism 3 is utilized to drive the movable component 12 to move upwards relative to the fixed component 11, the effect of detaching the to-be-pulled piece from the PCB can be achieved, the pulling efficiency is high, and the pulling quality is good.

It should be noted that, when the two pulling mechanisms 2 clamp the to-be-pulled piece, the two sides of the to-be-pulled piece in the width direction may be clamped, and the two sides of the to-be-pulled piece in the length direction may also be clamped, which is not limited in the present application.

In order to improve the versatility of the pulling-out device, so that the pulling-out device can be adapted to the removal of various sizes of PCB attached boards, as shown in fig. 1, the movable assembly 12 includes a movable plate 121 and an adjusting assembly 122, the adjusting assembly 122 is slidably disposed on the movable plate 121, the pulling-out mechanisms 2 are rotatably disposed on the adjusting assembly 122, and the adjusting assembly 122 is configured to adjust the distance between the two pulling-out mechanisms 2. Before the piece is waited to be pulled out in the dismantlement from the PCB board, can be according to the size of waiting to pull out the piece, make adjusting part 122 drive pulling out mechanism 2 and slide relative fly leaf 121 to distance between the two is greater than the size of waiting to pull out the piece when making two pulling out mechanisms 2 keep away from each other, and two pulling out mechanisms 2 can tightly centre gripping the both sides of waiting to pull out the piece when being close to each other. Through setting up adjusting part 122, can improve this extraction device's commonality, utilize an extraction device can realize saving manufacturing cost to the dismantlement of the piece of waiting to extract of not unidimensional.

Specifically, as shown in fig. 2 and fig. 3, the adjusting assembly 122 includes an adjusting plate 1221 and a limit pin 1222, the adjusting plate 1221 is slidably connected to the movable plate 121, the pulling mechanism 2 is rotatably disposed on the adjusting plate 1221, the limit pin 1222 is disposed on the adjusting plate 1221, a plurality of limit holes arranged along the sliding direction of the adjusting plate 1221 are disposed on the fixing assembly 11, the limit pin 1222 is selectively inserted into any one of the limit holes, and the limit pin 1222 is inserted into different limit holes to match the external shapes of the to-be-pulled pieces of different models. The limit pin 1222 in this embodiment is a cylinder with a smooth periphery, and is simple in structure and convenient to process.

Of course, in other embodiments, in order to prevent the limit pin 1222 from falling off the adjusting plate 1221 and affecting the use of the pulling device, the periphery of the limit pin 1222 is provided with a threaded structure, the adjusting plate 1221 is provided with a threaded hole matching with the threaded structure on the limit pin 1222, and the limit pin 1222 can be threaded into the threaded hole on the adjusting plate 1221 and selectively inserted into any one of the limit holes on the fixing assembly 11. In addition, because the spacer pin 1222 and the adjusting plate 1221 are connected through threads with better stability, in the pulling process, the position of the pulling mechanism 2 can be prevented from changing, and it is ensured that the two pulling mechanisms 2 better clamp the pulling member.

When the distance between the two pulling-out mechanisms 2 needs to be adjusted, the limit pin 1222 should be screwed to be disengaged from the limit hole, and then the adjusting plate 1221 drives the corresponding pulling-out mechanism 2 to slide along the movable plate 121; after the adjusting plate 1221 is in a suitable position, the limit pin 1222 is screwed and inserted into the corresponding limit hole, so that the adjusting process is convenient, and the adjustment of the distance between the two pulling mechanisms 2 can be realized only by simple screwing action.

It can be understood that, when adjusting the distance between the two pulling-out mechanisms 2, the two pulling-out mechanisms 2 should move the same distance along the movable plate 121, and in this way, the direction of the pulling force of the driving mechanism 3 acting on the movable plate 121 and the center of the piece to be pulled out can be ensured to be collinear, so that the piece to be pulled out is stressed uniformly, and the pulling-out effect is improved.

In order to ensure stability of the sliding process of the adjusting plate 1221 along the movable plate 121, as shown in fig. 3, one of the movable plate 121 and the adjusting plate 1221 is provided with a guide sliding groove, and the other is provided with a guide protrusion slidably fitted in the guide sliding groove. Through setting up mutual sliding fit's direction spout and direction lug, can provide the direction for regulating plate 1221 along the slip of fly leaf 121, guarantee its stability of slip process.

For convenience of describing the specific structure of the pulling mechanism 2, as shown in fig. 4-5, the pulling mechanism 2 includes a rotating shaft 22, a pulling claw 21 and a reset member 23, the rotating shaft 22 is disposed on the adjusting plate 1221, the pulling claw 21 is rotatably connected to the rotating shaft 22, and two ends of the reset member 23 are respectively connected to the pulling claw 21 and the adjusting plate 1221. After the two pulling-up clamping jaws 21 rotate towards the direction away from each other so that the end parts of the pulling-up clamping jaws 21 extend into the bottom of the to-be-pulled piece, under the action of the elastic restoring force of the restoring piece 23, the two pulling-up clamping jaws 21 can rotate towards the direction close to each other so as to restore, and therefore the to-be-pulled piece is clamped. Specifically, in this embodiment, the restoring member 23 is a spring, and the elastic restoring force of the spring is large, and the material is easy to obtain, and the manufacturing cost is low.

Specifically, as shown in fig. 5, the adjusting plate 1221 includes a body 12211 and an extending portion 12212, the body 12211 is slidably disposed on the movable plate 121, the extending portion 12212 is disposed at the bottom of the body 12211, a cross-sectional shape of the extending portion 12212 is a U-shaped structure, a avoiding hole opposite to the U-shaped groove of the extending portion 12212 is disposed on the body 12211, the rotating shaft 22 is disposed on the pulling claw 21 in a penetrating manner, the pulling claw 21 can rotate relative to the rotating shaft 22, two ends of the rotating shaft 22 are fixed on the extending portion 12212, one end of the restoring member 23 is connected to a hole wall of the avoiding hole of the body 12211, and the other end of the restoring member is connected to the pulling claw 21.

Further, as shown in fig. 4, the pulling mechanism 2 further includes a pulling lever 24, the pulling lever 24 is connected to the pulling claw 21, and the pulling lever 24 can drive the pulling claw 21 to rotate. After the pulling-out device pulls out the piece to be pulled out from the PCB, an operator can pull out the pulling rod 24 so as to enable the two pulling-out clamping jaws 21 to rotate towards the direction away from each other, and the reset piece 23 is compressed, so that the piece to be pulled out is loosened. The operator then releases the shift lever 24, and the pulling-up jaw 21 can be reset under the elastic restoring force of the reset piece 23 for the next pulling-up operation.

Preferably, as shown in fig. 6, the bottom of the pulling jaw 21 is provided with a guide slope. When the piece that will wait to extract is pulled out from the PCB board when needs, operating personnel shifts this pulling-out device to the top of waiting to extract the piece, and press down, it can be in the direction rotation of another play pulling-out clamping jaw 21 of direction under the guide effect on direction inclined plane to play pulling-out clamping jaw 21, after two distances of pulling-out clamping jaw 21 are greater than the size of waiting to extract the piece, two play pulling-out clamping jaws 21 can stretch into and wait to extract between piece and the PCB board, and reset under the elastic force effect of piece 23 that resets automatically, treat to extract the piece with the centre gripping.

For convenience of understanding the specific structure of the driving mechanism 3, as shown in fig. 1-3, the fixing assembly 11 includes an upper supporting plate 111 and a lower supporting plate 112, the movable plate 121 is located between the upper supporting plate 111 and the lower supporting plate 112, the driving mechanism 3 includes an adjusting knob 31 and a guide post 32, the adjusting knob 31 includes a rotary disc 311 and a screw 312 connected together, the rotary disc 311 is located above the upper supporting plate 111, one end of the screw 312 is rotatably connected to the upper supporting plate 111, the other end of the screw 312 is in threaded connection with the movable plate 121, two ends of the guide post 32 are respectively connected to the upper supporting plate 111 and the lower supporting plate 112, a guide hole is formed in the movable plate 121, and the guide post 32 can be inserted into the guide hole. An operator can drive the screw 312 to rotate by screwing the rotary disc 311, and the movable plate 121 connected with the screw 312 moves upwards under the guiding action of the guide column 32, so that the effect of pulling the to-be-pulled piece by the pulling mechanism 2 is realized. Through setting up mutual sliding fit's guide post 32 and guiding hole, can make the fly leaf 121 go up and down along the axis direction of guide post 32, for the lift of fly leaf 121 provides the direction, guarantees its lift process's stability.

Preferably, as shown in fig. 2, there are a plurality of guide posts 32, the plurality of guide posts 32 are arranged at intervals along the circumferential direction of the movable plate 121, and a plurality of guide holes corresponding to the guide posts 32 one to one are formed in the movable plate 121, so as to further improve the stability of the movable plate 121 in the lifting process.

Further, as shown in fig. 2, the adjustment knob 31 further includes a protrusion 313, and the protrusion 313 is disposed on an upper surface of the dial 311. The protrusion 313 is arranged on the upper surface of the rotary disc 311, so that an operator can conveniently hold the protrusion 313 by hand to screw the rotary disc 311, and the adjustment is convenient and labor-saving.

Further, as shown in fig. 3, the bottom of the lower support plate 112 is provided with a positioning pin 113, and the positioning pin 113 can be matched with a positioning hole on the PCB to position the to-be-pulled piece, so as to realize accurate clamping and pulling of the to-be-pulled piece.

The working flow of the pulling device is briefly described below with reference to fig. 1 to 6:

(1) according to the size of the piece to be pulled, the distance between the two pulling mechanisms 2 is adjusted by the adjusting component 122;

(2) placing the pulling device right above the piece to be pulled, and inserting the positioning pin 113 into the positioning hole on the PCB;

(3) pressing the pulling device to enable the two pulling clamping jaws 21 to rotate in the direction away from each other under the guiding action of the corresponding guide inclined planes, so that the pulling clamping jaws 21 are clamped at the bottom of the piece to be pulled;

(4) screwing the adjusting knob 31 to make the movable plate 121 drive the pulling mechanism 2 to move upwards so as to pull the to-be-pulled piece from the PCB;

(5) after the pulling device and the to-be-pulled piece are transferred to the preset position, an operator pulls the pulling rod 24 to enable the two pulling clamping jaws 21 to rotate towards the direction away from each other so as to loosen the to-be-pulled piece.

The pulling device that this embodiment provided, simple structure, manufacturing cost is lower, can be applicable to the operation of pulling of not unidimensional PCB attached sheet, and operation process is convenient, and the outward appearance nature is better, and it is not hard to pull up the process, easily on-the-spot quick operation.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A pulling apparatus, comprising:

the supporting mechanism (1) comprises a fixed component (11) and a movable component (12);

the pulling-out mechanism (2) is rotationally arranged on the movable component (12), and the pulling-out mechanism (2) can clamp two sides of a piece to be pulled out;

the driving mechanism (3) is connected with the movable assembly (12) and is configured to drive the movable assembly (12) to move upwards relative to the fixed assembly (11) so as to pull the to-be-pulled piece clamped by the pulling-out mechanism (2) from the PCB.

2. Extraction device according to claim 1, characterized in that said movable assembly (12) comprises:

a movable plate (121);

the adjusting assembly (122) is arranged on the movable plate (121) in a sliding mode, the pulling-up mechanisms (2) are arranged on the adjusting assembly (122) in a rotating mode, and the adjusting assembly (122) is configured to adjust the distance between the pulling-up mechanisms (2).

3. The extraction device according to claim 2, characterized in that the adjustment assembly (122) comprises:

the adjusting plate (1221) is connected with the movable plate (121) in a sliding mode, and the pulling-up mechanism (2) is rotatably arranged on the adjusting plate (1221);

the limiting pin (1222) is arranged on the adjusting plate (1221), a plurality of limiting holes distributed along the sliding direction of the adjusting plate (1221) are formed in the fixing component (11), and the limiting pin (1222) can be selectively inserted into any one of the limiting holes.

4. The extraction device according to claim 3, characterised in that one of the movable plate (121) and the adjustment plate (1221) is provided with a guide runner, the other with a guide lug which is a sliding fit in the guide runner.

5. Extraction device according to claim 3, characterized in that said extraction mechanism (2) comprises:

the rotating shaft (22) is arranged on the adjusting plate (1221);

the pulling clamping jaw (21) is rotationally connected with the rotating shaft (22);

reset piece (23), reset piece (23) both ends and connect respectively pull up clamping jaw (21) with regulating plate (1221).

6. The extraction device according to claim 5, characterized in that the extraction mechanism (2) further comprises:

the shifting rod (24) is connected with the pulling clamping jaw (21), and the shifting rod (24) can drive the pulling clamping jaw (21) to rotate.

7. Extraction device according to claim 5, characterised in that the bottom of the extraction jaw (21) is provided with a guide bevel.

8. The extraction device according to claim 2, characterised in that the fixed assembly (11) comprises an upper support plate (111) and a lower support plate (112), the movable plate (121) being located between the upper support plate (111) and the lower support plate (112);

the drive mechanism (3) comprises:

the adjusting knob (31) comprises a rotary disc (311) and a screw rod (312) which are connected, the rotary disc (311) is positioned above the upper supporting plate (111), one end of the screw rod (312) is rotatably connected with the upper supporting plate (111), and the other end of the screw rod (312) is in threaded connection with the movable plate (121);

the guide post (32), the both ends of guide post (32) respectively with go up backup pad (111) with bottom suspension fagging (112) are connected, be provided with the guiding hole on fly leaf (121), guide post (32) can wear to locate in the guiding hole.

9. The extraction device according to claim 8, characterized in that the adjustment knob (31) further comprises a protrusion (313), the protrusion (313) being provided on the upper surface of the dial (311).

10. The extraction device according to any one of claims 1 to 9, wherein the bottom of the fixing component (11) is provided with a positioning pin (113), and the positioning pin (113) can be matched with a positioning hole on the PCB to position the to-be-extracted member.

Images