CN210549162U

CN210549162U - Positioning tool clamp

Info

Publication number: CN210549162U
Application number: CN201921099956.6U
Authority: CN
Inventors: 陈志凯; 江文涛; 邓嘉胜
Original assignee: Zhuhai Inverter Technology Co ltd
Current assignee: Zhuhai Inverter Technology Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-05-19
Anticipated expiration: 2029-07-12

Abstract

The utility model relates to a PCB board welded technical field discloses a location frock clamp, has solved current PCB board and power device welding mode too loaded down with trivial details and the problem that production efficiency is low. The utility model discloses a: the positioning plate is provided with an opening for placing the PCB; the at least one backing plate is distributed on the periphery of the positioning plate and is movably connected with the positioning plate, and the backing plate can be replaced by a backing plate with different thicknesses and used for adjusting the distance between the power device and the PCB; and the pressing plate is used for pressing the power device and the PCB, and one side of the pressing plate is hinged with one side of the positioning plate. The base plate is matched with the pressing plate, so that the power device can be kept flat; the PCB can be positioned by utilizing the opening on the positioning plate, and the power device and the PCB can be conveniently welded; meanwhile, the power device and the PCB can be turned over by matching with the pressing plate, so that an operator can conveniently realize repair welding of the power device and the PCB from the reverse side of the PCB; the utility model has the advantages of being simple in structure and convenient in operation, can improve the welding efficiency of product effectively.

Description

Positioning tool clamp

Technical Field

The utility model relates to a PCB board welded technical field, especially a location frock clamp.

Background

With the continuous progress of the technology, the application of power devices (such as thyristors, rectifier tubes and IGBT modules) in the frequency conversion technology is quite common, but the existing power devices generate heat greatly during working and must be pressed and assembled with a radiator for use, so that when the power devices are welded, the contact surfaces of the power devices and the radiator must be uniform in height and flat.

At present, when a PCB is welded with a power device, the height is supported and fixed at multiple points, and meanwhile, the power device adopts a mode that all devices are integrally fixed together by long bolts, then one surface is welded, and then the reverse surface of the PCB is repaired and welded. The mode can ensure the height consistency of the power devices, and the contact surface is kept to be attached when the radiator is installed, but the mode is too complicated, is not beneficial to production and influences the production efficiency.

Disclosure of Invention

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a location frock clamp, can directly fix a position and fix power device and PCB board to but realize the two-sided welded effect fast of PCB board.

According to the utility model discloses a, a location frock clamp is provided, include:

the positioning plate is provided with an opening for placing the PCB;

the base plates are distributed on the periphery of the positioning plate and movably connected with the positioning plate, and can be replaced by base plates with different thicknesses and used for adjusting the distance between the power device and the PCB;

and the pressing plate is used for pressing the power device and the PCB, and one side of the pressing plate is hinged with one side of the positioning plate.

Has the advantages that: the distance between the power device and the PCB can be kept consistent by utilizing the base plate, and the power device can be kept flat by matching with the pressing plate; the PCB can be positioned by utilizing the opening on the positioning plate, and the power device and the PCB are welded; meanwhile, the power device and the PCB can be turned over by matching with the pressing plate, so that an operator can conveniently realize repair welding of the power device and the PCB from the reverse side of the PCB; the utility model has the advantages of being simple in structure and convenient in operation, can improve the welding efficiency of power device and PCB board effectively.

Further, the backing plate can slide back and forth along the horizontal direction and along the upper end face of the positioning plate. Utilize the backing plate to realize relative slip's effect along horizontal direction and locating plate, can make things convenient for operating personnel to adjust the position of backing plate to better play the effect of supporting power device, in welding process, make the distance between power device and the PCB board keep unchangeable.

Further, be equipped with first bar slotted hole on the backing plate, the periphery of locating plate be equipped with the same first screw of backing plate quantity, first bar slotted hole cover is located on the first screw, the backing plate along first bar slotted hole with first screw sliding connection. The position of the backing plate can be adjusted according to the position of the power device by utilizing the sliding connection relation between the backing plate and the first screw, and after the position of the backing plate is confirmed, the position of the backing plate can be fixed by screwing the first screw, so that the deviation of the position of the backing plate caused by shaking or moving and the deviation of the distance between the power device and the PCB are avoided; and after welding is completed, the backing plate can be conveniently removed.

Furthermore, the other side of the positioning plate is provided with a clamping assembly for clamping the pressing plate. Utilize clamping component to realize the locking between locating plate and the clamp plate, make things convenient for operating personnel directly to overturn the locating plate and the clamp plate can, need not to adopt artifical mode to the location and the clamp plate realizes pressing from both sides tightly, avoids the in-process of upset, because go out to break away from between clamp plate and the location, and causes dropping of power device and PCB board.

Further, clamping component includes splint and locates first fixed block on the locating plate, splint pass through the second screw and are connected with first fixed block. Through rotatory second screw, can realize unclamping or the fixed clamp tightly to splint, when unclamping, splint can rotate round the second screw to rotatable the higher authority to the clamp plate, and through locking second screw, realize pressing down to the clamp plate, realize pressing from both sides clamp plate and locating plate.

Furthermore, the clamping assembly comprises a third screw, a second fixed block arranged on the positioning plate and a convex part arranged on the other side of the pressing plate, a through hole is formed in the convex part, and the third screw penetrates through the through hole to be in threaded connection with the second fixed block. By using the third screw, the convex part and the second fixed block can be fixedly connected directly by screwing the screw, and the operation is simple and convenient.

Furthermore, a groove matched with the power device is arranged on the lower end face of the pressing plate. The groove is arranged, so that the position of the power device can be positioned, the power device is prevented from shifting due to extrusion of the pressing plate, and the welding precision and efficiency are improved.

Furthermore, the positioning device also comprises a base, wherein one side of the base is hinged with one side of the positioning plate. Set up the base, can keep the stability of whole device when upset locating plate, improve welded efficiency.

Further, a rubber pad is arranged on the other side of the base. The rubber pad is arranged, so that the positioning plate can be supported, and the stability of the whole tool clamp can be improved in the welding process; in addition, can play the effect of buffering when the upset locating plate, avoid locating plate and base to collide mutually and cause wearing and tearing.

Further, the positioning plate, the base plate and the pressing plate are all made of insulating materials. By adopting the insulating material, the production quality of products can be effectively improved, the condition that static electricity is generated due to friction among components is avoided, the power device is damaged by the static electricity, and the product qualification rate is reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a first preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the first preferred embodiment of the present invention showing the placement of PCB board and power device;

fig. 3 is a schematic diagram of the first preferred embodiment of the present invention for adjusting the distance between the PCB board and the power device by using the pad plate;

FIG. 4 is a schematic view of a first preferred embodiment top platen of the present invention;

FIG. 5 is a schematic view of the first preferred embodiment of the present invention with the platen and the alignment plate simultaneously flipped;

FIG. 6 is a schematic view of a second preferred embodiment upper platen of the present invention;

figure 7 is a schematic view of the opening of a second preferred embodiment platen of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, a preferred embodiment of a positioning tool clamp includes:

the positioning plate 10 is provided with an opening 101 for placing the PCB 60, the PCB 60 can be positioned by utilizing the opening 101 on the positioning plate 10, the opening 101 is a cavity penetrating through the whole positioning plate 10, and the inside of the positioning plate 10 is also provided with a step for supporting the PCB 60; by adopting the structure of the opening 101, the bottom surface of the PCB 60 can be conveniently and directly observed or welded from the bottom of the positioning plate 10;

the backing plates 20 are distributed on the periphery of the positioning plate 10 and movably connected with the positioning plate 10, specifically, the number and the positions of the backing plates 20 are determined according to the positions and the number of the power devices 70, in the first embodiment, three backing plates 20 are provided, and since the backing plates 20 are movably connected with the positioning plate 10, the backing plates 20 can be distributed according to the positions of the actual power devices 70, and the backing plates 20 can move towards the inner direction of the PCB 60, that is, the positions of the power devices 70 are close to the center of the PCB 60, the backing plates 20 are pushed to slide towards the inner side of the PCB 60, so that the power devices 70 can be supported; in addition, the pad 20 with different thicknesses can be replaced according to the actual process requirement, namely the distance requirement between the power device 70 and the PCB 60, so as to adjust the distance between the power device 70 and the PCB 60;

a pressing plate 30 for pressing the power device 70 and the PCB 60, one side of which is hinged to one side of the positioning plate 10, specifically, in the first embodiment, the rear side of the pressing plate 30 is hinged to the rear side of the positioning plate 10, so that the pressing plate 30 can be turned over by 0-270 degrees around the rear side of the positioning plate 10; the pressing plate 30 can be rotated as required by utilizing the hinged relation between the pressing plate 30 and the positioning plate 10, so that the PCB 60 can be conveniently welded or the power device 70 and the PCB 60 can be clamped between the pressing plate 30 and the positioning plate 10, the smoothness of the power device 70 can be kept, the position relation between the PCB 60 and the power device 70 can be kept in the process of overturning the PCB 60 and the power device 70, and the quality and the reliability of a product are improved.

Preferably, referring to fig. 3, the pad plate 20 can be slid back and forth in a horizontal direction and against the upper end surface of the positioning plate 10. The base plate 20 and the positioning plate 10 can slide relative to each other in the horizontal direction, so that an operator can conveniently adjust the position of the base plate 20 to better support the power device 70, and the distance between the power device 70 and the PCB 60 is kept unchanged in the welding process.

Preferably, referring to fig. 1 and 2, the backing plate 20 is provided with first bar-shaped slot holes 201, the positioning plate 10 is provided with first screws 202 at the periphery thereof in the same number as the backing plate 20, the first bar-shaped slot holes 201 are sleeved on the first screws 202, and the backing plate 20 is slidably connected with the first screws 202 along the first bar-shaped slot holes 201. By utilizing the sliding connection relationship between the backing plate 20 and the first screw 202, the position of the backing plate 20 can be adjusted according to the position of the power device 70, that is, if the position of the power device 70 is closer to the inner part of the PCB 60, the backing plate 20 can slide towards the inner side of the PCB 60; after the position of the backing plate 20 is confirmed, the position of the backing plate 20 can be fixed by screwing the first screw 202, so that the situation that the position of the backing plate 20 is shifted due to shaking or moving and the distance between the power device 70 and the PCB 60 is deviated is avoided; meanwhile, after the soldering is completed, the pad 20 can be easily removed, so that the PCB 60 can be detached for the soldering of the next PCB 60.

Preferably, referring to fig. 3 and 4, the other side of the positioning plate 10 is provided with a clamping assembly 40 for clamping the pressure plate 30. In the first embodiment, the clamping assembly 40 is arranged on the front side of the positioning plate 10; utilize clamping assembly 40 to realize the locking between locating plate 10 and the clamp plate 30, make things convenient for operating personnel directly to overturn locating plate 10 and clamp plate 30 can, need not to adopt the manual mode to realize pressing from both sides tightly to location and clamp plate 30, avoid the in-process of upset, because go out between clamp plate 30 and the location and break away from, and cause dropping of power device 70 and PCB board 60.

Preferably, the clamping assembly 40 includes a clamping plate 401 and a first fixing block 402 disposed on the positioning plate 10, wherein the clamping plate 401 is connected to the first fixing block 402 by a second screw 403. By rotating the second screw 403, the clamping plate 401 can be loosened or fixedly clamped, when loosened, the clamping plate 401 can rotate around the second screw 403, so as to rotate above the pressure plate 30, and by locking the second screw 403, the pressure plate 30 can be pressed, so that the pressure plate 30 and the positioning plate 10 can be clamped. By adjusting the tightening degree of the second screw 403, it can be realized that the clamping plate 401 can just rotate around the second screw 403, and the clamping plate 401 can also realize the compression of the pressure plate 30. The pressing plate 30 and the other side of the positioning plate 10 can be clamped and fixed only by rotating the clamping plate 401 each time. Specifically, a through hole matched with the screw of the second screw 403 can be arranged on the clamping plate 401, so that only the rotation and fixation of the clamping plate 401 are realized; in addition, a second slotted hole may be formed in the clamp plate 401, and the second screw 403 may be disposed in the second slotted hole, so that the clamp plate 401 and the second screw 403 are slidably connected to each other, and thus, when the clamp plate 30 is fixed and positioned, the clamp plate 401 may be moved toward the inner side of the clamp plate 30, the contact distance between the clamp plate 401 and the clamp plate 30 may be increased, and the second screw 403 may be screwed to increase the force applied to the clamp plate 30 by the clamp plate 401, thereby improving the fastening between the clamp plate 30 and the other side of the positioning plate 10.

Preferably, referring to fig. 1 and 2, the lower end surface of the pressure plate 30 is provided with a groove 301 matched with the power device 70. The position and the size of the groove 301 are respectively matched with the position and the size of the corresponding power device 70, the groove 301 is arranged, the position of the power device 70 can be positioned, the power device 70 is prevented from shifting due to extrusion of the pressing plate 30, and the welding precision and efficiency are improved.

Preferably, referring to fig. 1 to 5, a base 50 is further included, and one side of the base 50 is hinged to one side of the positioning plate 10. The base 50 is arranged, so that the stability of the whole device can be kept when the positioning plate 10 is overturned, and the welding efficiency is improved. Specifically, in the first embodiment, the rear side of the base 50 is hinged to two ends of the rear side of the positioning plate 10, the two ends of the rear side of the base 50 are respectively provided with a hinge seat, the two ends of the rear side of the positioning plate 10 are respectively provided with a corresponding threaded hole, and the base 50 is hinged to the positioning plate 10 by using a screw nail which passes through the hinge seat on the base 50 and the threaded holes at the two ends of the rear side of the positioning plate 10 to realize threaded connection; similarly, the two ends of the upper end surface of the rear side of the positioning plate 10 are respectively provided with a hinge seat, the two ends of the rear side of the pressing plate 30 are respectively provided with a corresponding threaded hole, and a screw nail is also utilized to penetrate through the hinge seats on the positioning plate 10 and the threaded holes at the two ends of the rear side of the pressing plate 30 to realize threaded connection, so that the positioning plate 10 can be hinged to the pressing plate 30.

Preferably, referring to fig. 5, a rubber pad 501 is provided at the other side of the base 50. The rubber pad 501 is arranged to play a role in supporting the positioning plate 10, so that the stability of the whole tool clamp can be improved in the welding process; in addition, the positioning plate 10 can be turned over to play a role in buffering, so that the positioning plate 10 is prevented from colliding with the base 50 to cause abrasion.

Preferably, the positioning plate 10, the backing plate 20 and the pressing plate 30 are made of an insulating material. By adopting the insulating material, the production quality of the product can be effectively improved, the condition that static electricity is generated due to friction between components is avoided, the power device 70 is damaged by the static electricity, and the product qualification rate is reduced.

Preferably, referring to fig. 6 and 7, in the second embodiment, the clamping assembly 40 includes a third screw 404, a second fixing block 405 disposed on the positioning plate 10, and a protrusion 406 disposed on the other side of the pressure plate 30, wherein the protrusion 406 is provided with a through hole, and the third screw 405 is threaded through the through hole to connect with the second fixing block 405. By using the third screw 405, the convex part 406 and the second fixing block 405 can be fixedly connected by directly screwing the third screw 405, and the operation is simple and convenient. With the structure of the protrusion 406, and the third screw 405, the fastening between the pressing plate 30 and the other side of the positioning plate 10 can be improved.

The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. The utility model provides a location frock clamp which characterized in that includes:

the positioning plate is provided with an opening for placing the PCB;

2. The positioning tool clamp of claim 1, wherein: the backing plate can slide back and forth along the horizontal direction and along the upper end surface of the positioning plate.

3. The positioning tool clamp of claim 1 or 2, wherein: the base plate is provided with a first strip-shaped slotted hole, the periphery of the positioning plate is provided with first screws, the number of the first screws is the same as that of the base plate, the first strip-shaped slotted hole is sleeved on the first screws, and the base plate is connected with the first screws in a sliding mode along the first strip-shaped slotted hole.

4. The positioning tool clamp of claim 1, wherein: and a clamping assembly for clamping the pressure plate is arranged on the other side of the positioning plate.

5. The positioning tool clamp of claim 4, wherein: the clamping assembly comprises a clamping plate and a first fixing block arranged on the positioning plate, and the clamping plate is connected with the first fixing block through a second screw.

6. The positioning tool clamp of claim 4, wherein: the clamping assembly comprises a third screw, a second fixed block arranged on the positioning plate and a convex part arranged on the other side of the pressing plate, a through hole is formed in the convex part, and the third screw penetrates through the through hole to be in threaded connection with the second fixed block.

7. The positioning tool clamp of claim 1, wherein: and the lower end face of the pressing plate is provided with a groove matched with the power device.

8. The positioning tool clamp of claim 1, wherein: the positioning plate is characterized by further comprising a base, wherein one side of the base is hinged with one side of the positioning plate.

9. The positioning tool clamp of claim 8, wherein: and a rubber pad is arranged on the other side of the base.

10. The positioning tool clamp of claim 1, wherein: the positioning plate, the backing plate and the pressing plate are all made of insulating materials.