CN213196027U - Frock is used in assembly before USB connects welding - Google Patents

Abstract

The utility model discloses a tool for assembling a USB joint before welding, which comprises a limit groove plate for installing and positioning an empty PCB and the USB joint, a base for positioning and installing the limit groove plate, a pressing and positioning component for pressing the USB joint and a jacking component for pushing the USB joint into a USB socket of the empty PCB, wherein the pressing and positioning component and the jacking component are both installed on a bottom plate of the base; the limiting groove plate comprises a PCB positioning groove for installing the empty PCB and a USB positioning groove for installing the USB connector, and the USB positioning groove is communicated with the PCB positioning groove. The empty PCB and the USB connector are positioned by using the limiting groove plate, the alignment is accurate, and the collision and deformation of pins of the USB connector are avoided; the assembly of the USB connector and the empty PCB is completed through the jacking assembly, so that the USB connector is prevented from deviating in the movement process, the assembly precision is further improved, and the assembly efficiency is improved.

Description

Frock is used in assembly before USB connects welding

Technical Field

The utility model relates to a welding assembly technical field, more specifically say, relate to a frock is used in assembly before USB connects the welding.

Background

When the PCB is connected with the USB connector (comprising a Mini-USB connector, a Micro-USB connector and other various USB connectors), the USB connector needs to be assembled in place and then welded.

In the prior art, the assembly of the USB connector before welding adopts manual assembly, the alignment of the USB connector is inaccurate, the pins of the USB connector are easy to deform due to collision of a PCB and are difficult to align with a bonding pad on the PCB, the connection effect of the PCB and the USB connector is influenced, and empty welding or tin connection is easy to cause; meanwhile, the manual assembly is large in workload, high in labor intensity and low in assembly efficiency.

In summary, how to accurately position the PCB and the USB connector is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a frock is used in assembly before USB connects welding has realized the accurate counterpoint and the assembly of USB joint with empty PCB board, has avoided USB joint pin and empty PCB board to bump and be out of shape, and has improved assembly efficiency.

In order to achieve the above object, the present invention provides the following technical solutions:

a tool for assembling a USB connector before welding comprises a limit groove plate, a base, a pressing and positioning assembly and a jacking assembly, wherein the limit groove plate is used for installing and positioning an empty PCB and the USB connector;

the limiting groove plate comprises a PCB positioning groove for installing the empty PCB and a USB positioning groove for installing the USB connector, and the USB positioning groove is communicated with the PCB positioning groove.

Preferably, the pressing positioning assembly comprises a pressing positioning frame arranged on the base, a pressing handle, a pressing transmission plate and a pressing block for pressing the USB connector, the pressing block is arranged on the lower end face of the pressing transmission plate, and the pressing transmission plate is connected to the lower end face of the pressing handle;

the pressing handle is connected with the pressing positioning frame in a sliding mode, the pressing handle moves downwards along the height direction of the pressing positioning frame, and the pressing block presses the USB connector tightly.

Preferably, a pressing block positioning shaft rod, a pressing block positioning fixing rod and a first buffer spring are arranged between the pressing block and the pressing transmission plate, the pressing block positioning shaft is sleeved on the pressing block positioning shaft rod, and the first buffer spring is sleeved on the pressing block positioning fixing rod.

Preferably, a first positioning shaft rod is arranged between the pressing positioning frame and the bottom plate, and a first positioning shaft rod mounting hole for the first positioning shaft rod to pass through is formed in the pressing transmission plate.

Preferably, the jacking assembly comprises a push plate used for pushing the USB connector and a push handle used for driving the push plate to move, the push handle is connected to the base, and the push plate is connected to one end, close to the limiting groove plate, of the push handle.

Preferably, the push plate is provided with a top rod for pushing the USB connector, and the diameter of the top rod is smaller than or equal to the width of the USB positioning groove.

Preferably, the push plate is connected with the push handle through a buffer transmission plate, a second positioning shaft rod, a buffer shaft rod and a second buffer spring sleeved on the buffer shaft rod are arranged between the buffer transmission plate and the push plate, a second positioning shaft rod mounting hole for mounting the second positioning shaft rod and a first mounting hole for mounting the buffer shaft rod are formed in the push plate, and the second positioning shaft rod mounting hole is a through hole.

Preferably, the base comprises the bottom plate, a supporting plate vertically installed on the bottom plate, and a positioning platen installed with the limiting groove plate, and the positioning platen is vertically installed on the upper end face of the supporting plate.

Preferably, one of the positioning bedplate and the limiting groove plate is provided with a positioning bulge, and the other is provided with a positioning groove in matched clamping connection with the positioning bulge.

The utility model provides a frock is used in assembly before USB connects welding, including the spacing frid that is used for installing and positioning empty PCB board and USB joint, the base of location installation spacing frid, the pressfitting locating component that is used for compressing tightly the USB joint and the top that is used for pushing the USB joint into the USB socket of empty PCB board go into the subassembly, pressfitting locating component and top are gone into the subassembly and all are installed on the bottom plate of base; the limiting groove plate comprises a PCB positioning groove for installing the empty PCB and a USB positioning groove for installing the USB connector, and the USB positioning groove is communicated with the PCB positioning groove.

When the PCB works, firstly, the empty PCB and the USB connector are arranged in the limiting groove plate, and then the limiting groove plate is positioned and arranged on the base; controlling the pressing positioning component to press the USB connector so as to prevent the USB connector from falling out of the USB positioning groove in the pushing process; the control jacking assembly pushes the USB connector to move from the USB positioning groove to the PCB positioning groove, and the USB connector is inserted into the USB socket of the PCB to complete the alignment assembly of the USB connector and the PCB; the control top is gone into subassembly and pressfitting locating component and is reset, takes off spacing frid from the base, takes off the PCB board that is connected with the USB joint from spacing frid.

The empty PCB and the USB connector are positioned by using the limiting groove plate, so that the USB connector can be aligned to a USB socket on the PCB, the alignment is accurate, the collision and deformation of pins of the USB connector are avoided, and the probability of empty soldering and tin connection is greatly reduced; the assembly of the USB connector and the empty PCB is completed through the jacking assembly, so that the USB connector is prevented from deviating in the movement process, the assembly precision is further improved, and the assembly efficiency is improved.

Drawings

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

Fig. 1 is a schematic structural diagram of a specific embodiment of a tool for assembling a USB connector before welding according to the present invention;

FIG. 2 is a schematic structural diagram of the base in FIG. 1;

FIG. 3 is a schematic structural view of the limiting slot plate in FIG. 1;

FIG. 4 is a schematic structural view of the jack-in assembly of FIG. 1;

FIG. 5 is an exploded view of the jack-in assembly of FIG. 4;

FIG. 6 is a schematic view of the pressing positioning assembly shown in FIG. 1;

fig. 7 is an exploded view of the snap-in locating assembly of fig. 6.

In fig. 1-7:

the device comprises a base 1, a bottom plate 11, a support plate 12, a positioning platen 13, a limiting groove plate 2, a PCB positioning groove 21, a USB positioning groove 22, a top-in component 3, a pushing handle 31, a handle cushion block 32, a bearing 33, a buffering transmission plate 34, a buffering shaft rod 35, a second buffering spring 36, a second positioning shaft rod 37, a pushing plate 38, a pressing positioning component 4, a pressing positioning frame 41, a pressing handle 42, a pressing transmission plate 43, a pressing positioning shaft 44, a pressing positioning shaft 45, a first buffering spring 46, a pressing positioning fixing rod 47, a pressing block 48, a first positioning shaft 49 and a first positioning shaft 410.

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.

The core of the utility model is to provide a frock is used in assembly before USB connects the welding, has realized the accurate counterpoint and the assembly of USB joint and empty PCB board, has avoided USB joint pin and empty PCB board to bump and warp, and has improved assembly efficiency.

Please refer to fig. 1-7.

It should be noted that the USB connector in the present application does not refer to one USB connector, but refers to multiple USB connectors such as a Mini-USB connector and a Micro-USB connector.

The utility model provides a frock is used in assembly before USB connects welding, including spacing frid 2 that is used for installing and positioning empty PCB board and USB joint, the base 1 of location installation spacing frid 2, the pressfitting locating component 4 that is used for compressing tightly the USB joint and the push-in component 3 that is used for pushing the USB joint into the USB socket of empty PCB board, pressfitting locating component 4 and push-in component 3 are all installed on bottom plate 11 of base 1; the limiting groove plate 2 comprises a PCB positioning groove 21 for installing an empty PCB and a USB positioning groove 22 for installing a USB connector, and the USB positioning groove 22 is communicated with the PCB positioning groove 21.

The base 1 is used for installing the limiting groove plate 2, the jacking component 3 and the pressing and positioning component 4, preferably, the base 1 can comprise a bottom plate 11, a supporting plate 12 vertically installed on the bottom plate 11 and a positioning platen 13 for installing the limiting groove plate 2, and the positioning platen 13 is vertically installed on the upper end surface of the supporting plate 12.

The layout of the support plate 12 and the positioning platen 13 may be nearly H-shaped as shown in fig. 2, or may be T-shaped.

The limiting groove plate 2 determines the relative position relation between the PCB and the USB connector through the PCB positioning groove 21 and the USB positioning groove 22, realizes the alignment of the PCB and the USB connector, and can be matched with the pressing positioning component 4 to limit the USB connector in the assembling process that the pushing component 3 pushes the USB connector to move.

The size of the PCB positioning groove 21 is determined according to the size of an empty PCB to be processed, and the size of the USB positioning groove 22 is determined according to the size of a USB connector to be processed.

In order to improve the assembling efficiency, the limiting groove plate 2 may be provided with a plurality of USB positioning grooves 22, please refer to fig. 3, the plurality of USB positioning grooves 22 are uniformly distributed along the length direction of the limiting groove plate 2, and are uniformly distributed along the width direction of the limiting groove plate 2.

To facilitate the operation of the pushing-in component 3, preferably, referring to fig. 3, the USB positioning slot 22 may be disposed at an outer edge of the PCB positioning slot 21, and the USB positioning slot 22 is communicated with an outer edge of the limiting slot plate 2.

Preferably, in order to reduce the stroke of the USB connector to the USB socket of the PCB, the USB positioning slot 22 faces the corresponding USB socket on the PCB positioning slot 21.

Please refer to the prior art for the thickness and material of the limiting slot plate 2, which will not be described herein.

Preferably, one of the positioning platen 13 and the limiting groove plate 2 is provided with a positioning protrusion, and the other is provided with a positioning groove in matched and clamped connection with the positioning protrusion, so that the position of the limiting groove plate 2 is conveniently positioned, and the position of the empty PCB and the USB connector relative to the base 1 is further determined.

The push-in component 3 is used for pushing the USB connector installed in the USB positioning slot 22 into the USB interface of the PCB. The jacking assembly 3 comprises an electric push rod equal linear displacement mechanism and a push rod connected to the top end of the electric push rod, and the linear displacement mechanism drives the push rod to push the USB connector to enter the PCB positioning groove 21.

The pressing positioning component 4 is used for pressing the USB connector to the USB positioning slot 22 and the passage between the USB positioning slot 22 and the PCB positioning slot 21, so as to prevent the USB connector from moving and dropping out of the limiting plate slot 2 during the moving process.

The pressing and positioning assembly 4 comprises a linear displacement structure capable of moving along the vertical direction and a pressing block 48 connected to the lower end face of the linear displacement structure, and after the linear displacement structure moves downwards to the lowest position, the lower end face of the pressing block 48 is in contact with the upper end face of the limiting plate groove 2.

When the PCB works, firstly, the empty PCB and the USB connector are arranged in the limiting groove plate 2, and then the limiting groove plate 2 is positioned and arranged on the base 1; the pressing positioning component 4 is controlled to press the USB connector so as to prevent the USB connector from falling out of the USB positioning groove 22 in the pushing process; the jacking control component 3 pushes the USB connector to move from the USB positioning groove 22 to the PCB positioning groove 21, and the USB connector is inserted into the USB socket of the PCB to complete the alignment assembly of the USB connector and the PCB; the control top is gone into subassembly 3 and pressfitting locating component 4 and is reseed, takes off spacing frid 2 from base 1, takes off the PCB board that is connected with the USB joint from spacing frid 2.

In the embodiment, the limiting groove plate 2 is used for positioning the empty PCB and the USB connector, so that the USB connector can be aligned to the USB socket on the PCB, the alignment is accurate, the collision and deformation of pins of the USB connector are avoided, and the probability of empty welding and tin connection is greatly reduced; the assembly of the USB connector and the empty PCB is completed through the jacking component 3, so that the USB connector is prevented from deviating in the movement process, the assembly precision is further improved, and the assembly efficiency is improved.

On the basis of the above embodiment, the structure of the pressing positioning assembly 4 is limited, the pressing positioning assembly 4 may include a pressing positioning frame 41 installed on the bottom plate 11, a pressing handle 42, a pressing transmission plate 43, and a pressing block 48 for pressing the USB connector, the pressing block 48 is installed on the lower end surface of the pressing transmission plate 43, and the pressing transmission plate 43 is connected to the lower end surface of the pressing handle 42; the pressing handle 42 is slidably connected with the pressing positioning frame 41, the pressing handle 42 moves downwards along the height direction of the pressing positioning frame 41, and the pressing block 48 presses the USB connector.

The pressing positioning frame 41 is installed on the base 1, and the pressing positioning frame and the base can be connected in a non-detachable mode, such as welding, or in a detachable mode, such as bolt connection, pin connection and the like.

The stitching handle 42 is slidably connected to the stitching positioning frame 41 and can move along the height direction of the stitching positioning frame 41.

Referring to fig. 6 and 7, the pressing handle 42 may include three hinge points that can be collinear, when the three hinge points are collinear, the middle hinge point located in the middle is a fixed hinge point, the hinge points located at the two ends are movable hinge points, a wrench for a user to pull is disposed on the distal hinge point located at the highest position, and the proximal hinge point located at the lowest position is connected to the pressing transmission plate 43; a first hinged plate is arranged between the middle hinged point and the far-end hinged point, and a second hinged plate is arranged between the far-end hinged point and the near-end hinged point.

When a user pulls the wrench anticlockwise, the height of the far-end hinge point is reduced, the positions of the first hinge plate and the second hinge plate are driven to change, the middle hinge point is located at the highest position, the far-end hinge point is located at the highest position, and the pressing transmission plate 43 descends until the pressing block 48 contacts the limiting groove plate 2 in the pulling process; conversely, pulling the wrench clockwise, the compression drive plate 43 rises until the three hinge points are again collinear.

Of course, the pressing handle 42 may be provided as a linear displacement mechanism having power such as an electric push rod or an air cylinder.

The size of the pressing block 48 is related to the number and distribution position of the USB positioning slots 22 on the limiting slot plate 2.

In the embodiment, the height of the pressing block 48 can be adjusted through the pressing handle 42, which is beneficial to mounting and dismounting the limiting groove plate 2 in the non-pressing process.

Preferably, a pressing block positioning shaft 44, a pressing block positioning shaft rod 45, a pressing block positioning fixing rod 47 and a first buffer spring 46 are arranged between the pressing block 48 and the pressing transmission plate 43, the pressing block positioning shaft 44 is sleeved on the pressing block positioning shaft rod 45, and the first buffer spring 46 is sleeved on the pressing block positioning fixing rod 47. The positioning of the pressing block 48 on the pressing transmission plate 43 is realized by the pressing block positioning fixing rod 47 and the pressing block positioning shaft rod 45, and the buffering and shock absorption of the pressing block 48 and the limiting groove plate 2 in the contact process are realized by the first buffer spring 46.

Preferably, a first positioning shaft 49 is disposed between the pressing positioning frame 41 and the bottom plate 11, and a first positioning shaft mounting hole for the first positioning shaft 49 to pass through is disposed on the pressing transmission plate 43. The first positioning shaft rod 49 is sleeved in the first positioning shaft rod mounting hole of the pressing driving plate 43, the moving direction of the pressing driving plate 43 is ensured to be the same as the length direction of the first positioning shaft rod 49, and the pressing driving plate 43 is prevented from shifting horizontally in the lifting process.

Referring to fig. 6, a first positioning shaft 410 is disposed between the pressing positioning frame 41 and the pressing transmission plate 43, and the first positioning shaft 410 is sleeved on the first positioning shaft 49.

On the basis of the above embodiment, the structure of the push-in component 3 is defined, the push-in component 3 may include a push plate 38 for pushing the USB connector and a push handle 31 for driving the push plate 38 to move, the push handle 31 is connected to the base 1, and the push plate 38 is connected to one end of the push handle 31 near the limiting groove plate 2.

The pushing handle 31 comprises a fixed part fixedly connected with the base 1 and a moving part moving along the direction vertical to the end surface of the limiting groove plate 2 relative to the base 1. The fixing part can be directly connected with the base 1, or can be connected with the base 1 through a handle cushion block 32 as shown in fig. 4 and 5; the moving part provides power for the push plate 38 and is a main component of the jacking assembly 3.

Referring to fig. 4-7, the structure of the pushing handle 31 may be the same as that of the pressing handle 42, or may be a linear displacement mechanism with power, such as an electric push rod, an air cylinder, or the like.

The push plate 38 abuts against the USB connector and pushes the USB connector to move between the USB positioning slot 22 and the PCB positioning slot 21.

Considering that the USB connector is generally small in size, it is preferable that the push plate 38 is provided with a push rod for pushing the USB connector, and the diameter of the push rod is smaller than or equal to the width of the USB positioning groove 22.

The ejector rod can be a cylindrical rod or a rectangular rod, and can be of any other geometrical shape.

Referring to fig. 1, the push plate 38 is horizontal to the bottom plate 11, and the push rod is vertically connected to the upper end surface of the push plate 38.

The number of the push rods and the distance between two adjacent push rods are determined according to the number of the USB positioning slots 22 and the distance between two adjacent USB positioning slots 22.

When the pushing component 3 pushes the USB joint to move, the pressing and positioning component 4 is arranged to compress the USB joint, the height of the ejector rod should not exceed the upper end face of the limiting groove plate 2, otherwise, the upper end face of the ejector rod and the pressing and positioning component 4 are scratched and collided in the pushing process.

Of course, the push plate 38 can also be arranged to be perpendicular to the bottom plate 11, and the top rod is vertically connected to the end surface of the push plate 38 close to the limiting groove plate 2. Because the contact surface of the ejector rod and the USB connector is the top surface, but not the side surface, the contact area is reduced, and the height of the ejector rod on the push plate 38 needs to be reasonably set so as to ensure that the end surface of the ejector rod can be abutted against the USB connector.

Preferably, the pushing plate 38 can be connected with the pushing handle 31 through the buffering transmission plate 34, a second positioning shaft 37, a buffering shaft 35 and a second buffering spring 36 sleeved on the buffering shaft 35 are arranged between the buffering transmission plate 34 and the pushing plate 38, a second positioning shaft mounting hole for mounting the second positioning shaft 37 and a first mounting hole for mounting the buffering shaft 35 are arranged on the pushing plate 38, and the second positioning shaft mounting hole is a through hole.

Referring to fig. 5, the bearing 33 is sleeved on the second positioning shaft 37, so as to limit the moving direction of the push plate 38 and ensure that the push plate 38 moves along the direction perpendicular to the end surface of the limiting groove plate 2; the damping shaft 35 and the second damping spring 36 achieve damping during movement of the push plate 38.

It should be noted that the first and second positioning shafts 49 and 37, the first and second buffer springs 46 and 36, the first and second positioning shaft mounting holes, and the first and second hinge plates mentioned in the present document are only used for distinguishing the difference of the positions, and do not limit the order.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a USB connects before the welding assembly with the frock carry out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. The tool for assembling the USB connector before welding is characterized by comprising a limiting groove plate (2) for installing and positioning an empty PCB and a USB connector, a base (1) for positioning and installing the limiting groove plate (2), a pressing positioning component (4) for pressing the USB connector and a jacking component (3) for pushing the USB connector into a USB socket of the empty PCB, wherein the pressing positioning component (4) and the jacking component (3) are both installed on a bottom plate (11) of the base (1);

spacing frid (2) are including being used for the installation PCB board constant head tank (21) of empty PCB board and being used for the installation USB constant head tank (22) that USB connects, USB constant head tank (22) with PCB board constant head tank (21) intercommunication.

2. The tooling for assembling the USB connector before welding according to claim 1, wherein the pressing positioning component (4) comprises a pressing positioning frame (41) arranged on the base (1), a pressing handle (42), a pressing transmission plate (43) and a pressing block (48) for pressing the USB connector, the pressing block (48) is arranged on the lower end surface of the pressing transmission plate (43), and the pressing transmission plate (43) is connected to the lower end surface of the pressing handle (42);

the pressing handle (42) is connected with the pressing positioning frame (41) in a sliding mode, the pressing handle (42) moves downwards along the height direction of the pressing positioning frame (41), and the pressing block (48) presses the USB connector tightly.

3. The tooling for assembling the USB connector before welding according to claim 2, wherein a pressing block positioning shaft (44), a pressing block positioning shaft rod (45), a pressing block positioning fixing rod (47) and a first buffer spring (46) are arranged between the pressing block (48) and the pressing transmission plate (43), the pressing block positioning shaft (44) is sleeved on the pressing block positioning shaft rod (45), and the first buffer spring (46) is sleeved on the pressing block positioning fixing rod (47).

4. The tooling for assembling the USB connector before welding according to claim 2, wherein a first positioning shaft rod (49) is arranged between the pressing positioning frame (41) and the bottom plate (11), and a first positioning shaft rod mounting hole for the first positioning shaft rod (49) to pass through is arranged on the pressing transmission plate (43).

5. The tooling for assembling the USB connector before welding according to claim 1, wherein the jacking component (3) comprises a push plate (38) for pushing the USB connector and a push handle (31) for driving the push plate (38) to move, the push handle (31) is connected to the base (1), and the push plate (38) is connected to one end of the push handle (31) close to the limiting groove plate (2).

6. The tooling for assembling the USB connector before welding according to claim 5, wherein the push plate (38) is provided with a push rod for pushing the USB connector, and the diameter of the push rod is smaller than or equal to the width of the USB positioning groove (22).

7. The tooling for assembling the USB connector before welding according to claim 5, wherein the push plate (38) is connected with the push handle (31) through a buffer transmission plate (34), a second positioning shaft rod (37), a buffer shaft rod (35) and a second buffer spring (36) sleeved on the buffer shaft rod (35) are arranged between the buffer transmission plate (34) and the push plate (38), a second positioning shaft rod mounting hole for mounting the second positioning shaft rod (37) and a first mounting hole for mounting the buffer shaft rod (35) are formed in the push plate (38), and the second positioning shaft rod mounting hole is a through hole.

8. The tooling for assembling the USB connector before welding according to any one of claims 1 to 7, wherein the base (1) comprises the bottom plate (11), a supporting plate (12) vertically installed on the bottom plate (11), and a positioning platen (13) installed on the limiting groove plate (2), and the positioning platen (13) is vertically installed on the upper end face of the supporting plate (12).

9. The tooling for assembling the USB connector before welding according to claim 8, wherein one of the positioning platen (13) and the limiting groove plate (2) is provided with a positioning protrusion, and the other is provided with a positioning groove matched and clamped with the positioning protrusion.

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