CN211680442U

CN211680442U - Workpiece-hitting and furnace-passing jig

Info

Publication number: CN211680442U
Application number: CN201922357575.XU
Authority: CN
Inventors: 李俊武; 安健强; 钟旺; 任正伟; 黄团结; 吴泽恩; 周三保; 吴志生
Original assignee: KUNSHAN MINGCHUANG ELECTRONIC TECHNOLOGY CO LTD
Current assignee: KUNSHAN MINGCHUANG ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-16
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a workpiece-striking and furnace-passing jig, which comprises a carrier and a lateral strip-pushing device; the carrier is provided with a PCB mounting groove, connector sliding grooves and side push bar mounting grooves, the side push bar mounting grooves are symmetrically arranged on two sides of the PCB mounting groove, and a plurality of connector sliding grooves are arranged between the side push bar mounting grooves and the PCB mounting groove; the PCB mounting groove is used for mounting a PCB, the connector sliding groove is used for placing a connector, and the side push bar device is connected to the side push bar mounting groove; the side pushing bar device moves to push the connector in the connector sliding groove to be connected with the PCB in the PCB mounting groove; the device can simultaneously complete the connection of a plurality of connectors and the PCB, and the connection accuracy of the connectors and the PCB is guaranteed through limiting.

Description

Workpiece-hitting and furnace-passing jig

Technical Field

The utility model relates to a carrier tool technical field, concretely relates to punch and cross stove tool.

Background

The basic purpose of the furnace jig is to support a thin substrate or a flexible circuit board. When the TYPE-C interface is produced and manufactured, the PCB and the connector are connected and then are sent into a heating furnace to complete welding. When the PCB is connected with the connector, how to achieve the quick connection between the PCB and the connector and how to ensure that the PCB is smoothly inserted into the open slot of the connector is a problem to be considered.

Disclosure of Invention

An object of the utility model is to provide a punch and cross stove tool can improve the connection installation effectiveness of PCB and connector, can guarantee both accurate connections.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a workpiece-striking furnace-passing jig comprises a carrier and a side strip-pushing device; the carrier is provided with a PCB mounting groove, connector sliding grooves and side push bar mounting grooves, the side push bar mounting grooves are symmetrically arranged on two sides of the PCB mounting groove, and a plurality of connector sliding grooves are arranged between the side push bar mounting grooves and the PCB mounting groove;

the PCB mounting groove is used for mounting a PCB, the connector sliding groove is used for placing a connector, and the side push bar device is connected to the side push bar mounting groove; and the side pushing bar device moves to push the connector in the connector sliding groove to be connected with the PCB in the PCB mounting groove.

Further, still include the clamp plate subassembly, the clamp plate subassembly with the connection can be dismantled to the carrier, the clamp plate subassembly is used for pressing and holds the connector in the connector spout.

Further, the pressure plate assembly comprises a pressure plate, and an elastic knob and an elastic pressure block which are connected to the pressure plate;

the elastic knob and the carrier are detachably connected, and the output end of the elastic pressing block is used for pressing and holding the connector in the connector sliding groove.

Further, the PCB mounting groove comprises a first fixing groove and a connecting plate, the connecting plate is connected in the first fixing groove, and a plurality of positioning grooves are formed in the first fixing groove and on two sides of the connecting plate.

Further, the connector sliding groove is communicated with the positioning groove, and the sliding direction of the connector sliding groove faces the positioning groove.

Further, the side pushes away the strip mounting groove with be equipped with eight between the PCB mounting groove the connector spout.

Further, the side pushes away a device including pushing away a main part and a plurality of connection arch, and is a plurality of connection arch connects push away a side of main part, just connection arch with the connector spout is on same straight line.

Furthermore, the two sides of the push bar main body are symmetrically connected with clamping bulges.

Furthermore, a fixing hole penetrating through the push bar main body is formed in the push bar main body;

and a first pin hole and a second pin hole which are matched with the fixing holes are formed in the side push bar mounting groove.

Furthermore, the connecting protrusion is made of teflon.

According to the above technical scheme, the embodiment of the utility model has following effect at least:

1. the utility model has the advantages that when in connection, the PCB is placed in the mounting groove, the connector is placed in the connector sliding groove, the connector sliding groove can limit the horizontal deviation of the connector, the pressing plate component limits the longitudinal deviation of the connector, the side strip pushing device completes the connection of the connector and the PCB, the device can simultaneously complete the connection of a plurality of connectors and the PCB, and the connection accuracy of the connectors and the PCB is ensured by limiting;

2. the size of the connecting bulge on the side push bar device is matched with the hole of the connector, so that the connector is not deformed at high temperature, and the plastic material in the connector is not damaged.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a cross-sectional view of the overall structure of an embodiment of the present invention;

FIG. 4 is a schematic view of a lateral strip pushing device according to an embodiment of the present invention;

FIG. 5 is a top view of a platen assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of FIG. 2 with the PCB mounted;

FIG. 7 is a schematic diagram of a PCB according to an embodiment of the present invention;

fig. 8 is a schematic diagram of the connection between the PCB and the connector according to the embodiment of the present invention.

Wherein: 1. a carrier; 11. a first mounting hole; 12. a second mounting hole; 2. a PCB mounting groove; 21. a first fixing groove; 22. a connecting plate; 23. positioning the projection; 24. positioning a groove; 3. a connector chute; 4. a side push bar mounting groove; 41. a first connecting groove; 42. a first pin hole; 43. a second pin hole; 44. a first chute; 5. a lateral strip pushing device; 51. a push bar body; 52. a clamping protrusion; 53. a fixing hole; 54. a slider; 55. a connecting projection; 6. a platen assembly; 61. pressing a plate; 62. an elastic knob; 63. and (4) an elastic pressing block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The utility model provides a punch and cross stove tool for use when TYPE-C interface production is made, during the use, put into PCB to carrier 1's PCB mounting groove 2 in, put into the connector to carrier 1's connector spout 3 in with the connector, connector spout 3 can restrict the horizontal skew of connector, restricts the fore-and-aft skew of connector through clamp plate assembly 6. The connector is pushed by the side push bar device 5, and the connector slides along the direction of the connector sliding groove 3 to be connected with the PCB in a contact mode. And after connection, the jig is sent into a furnace to complete welding of the jig and the furnace.

As shown in fig. 1 and 2, a carrier 1 of the present device is provided with a PCB mounting groove 2, a connector sliding groove 3, and a side push bar mounting groove 4 on the carrier 1. The PCB mounting groove 2 is used for mounting a PCB, the PCB mounting groove 2 includes a first fixing groove 21, the first fixing groove 21 is a groove body penetrating the carrier 1, and the shape of the first fixing groove 21 is adapted to the shape of the PCB. The center line of the first fixing groove 21 is connected with a connecting plate 22, the connecting plate 22 is provided with a positioning protrusion 23, and the connecting plate 22 and the positioning protrusion 23 are used for mounting a PCB. When the PCB is mounted, the entire board connected with the plurality of PCBs is detachably mounted on the positioning protrusion 23. The carrier 1 of the device is provided with a second mounting hole 12, and the second mounting hole 12 is used for fixing the carrier.

The contact position of the first fixing groove 21 and the carrier 1 is provided with a positioning groove 24, and the positioning groove 24 is contacted with the connector sliding groove 3 on the carrier 1. The positioning groove 24 functions to position the PCB. After the whole PCB is mounted, the PCBs on both sides of the whole PCB may fall into the positioning grooves 24 on both sides of the connecting plate 22. The height of the positioning groove 24 is the same as that of the connector sliding groove 3, the connector in the connector sliding groove 3 is pushed to the positioning groove 24, and the PCB enters into the connecting hole of the connector. After the two are connected, the solder paste is sent into a heating furnace, and the solder paste at the connecting position is melted to complete the connection of the two. The PCB is mounted in the PCB mounting groove 2 as shown in fig. 6, the structure of the PCB is shown in fig. 7, and the connection of the connector and the PCB is shown in fig. 8.

In this embodiment, the width of the connector chute 3 is slightly larger than the width of the connection, so that the connector can be securely mounted and the movement of the connector in the left-right direction can be securely restricted. The movement of the connector in the up-and-down direction is limited by the carrier 1 and the pressing plate assembly 6, the connector sliding groove 3 on the carrier 1 can limit the connector not to move downwards, and the pressing plate assembly 6 is used for limiting the connector not to move upwards.

As shown in fig. 3 and 5, the pressing plate assembly 6 includes a pressing plate 61, an elastic knob 62 and an elastic pressing block 63, the pressing plate 61 has a rectangular structure, the elastic knob 62 is disposed at the left and right ends of the pressing plate 61, and the pressing plate 61 is connected to the first mounting hole 11 of the carrier 1 through the elastic knob 62. Elasticity knob 62 includes connector, connecting rod spring and knob, and knob integrated into one piece is at the top of connecting rod, and connector integrated into one piece is in the bottom of connecting rod, and the periphery of connector is equipped with the screw thread for with 11 threaded connection of first mounting hole, the spring housing is located between clamp plate 61 and the knob in the periphery of connecting rod. The bottom surface of the pressing plate 61 is provided with a flush groove, and after the pressing plate 61 is connected to the carrier 1, the groove is located above the PCB, as shown in fig. 3. Elastic pressing block 63 is connected in cell body department, and elastic pressing block includes depression bar and spring, and depression bar and clamp plate 61 sliding connection are equipped with the spring between depression bar and the clamp plate 61. When the connector is used, the compression bar is contacted with the connector, the spring contracts, and the compression bar compresses the connector under the action of elastic potential energy of the spring.

In the present device, a plurality of elastic pressing blocks 63 are connected to the pressing plate 61, that is, one elastic pressing block 63 is correspondingly arranged above each connector sliding groove 3 on the carrier 1. In this embodiment, there are eight connector runners 3 on each side of each PCB mounting slot. Each of the platen assemblies 6 can restrict the movement of the connectors on both sides of one PCB mounting groove in the up-and-down direction.

As shown in fig. 2 and 4, in order to effectively push the connector to connect with the PCB, the device is further designed with a side bar pushing device 5, and the corresponding carrier 1 is provided with a side bar pushing installation groove 4 corresponding to the side bar pushing device 5. The side push bar mounting groove 4 comprises a first connecting groove 41, three first sliding grooves 44 parallel to each other are arranged on the first connecting groove 41, and the direction of the first sliding grooves 44 is arranged in the front-back direction, namely, the sliding direction of the connector in the connector sliding groove is the same. The first connecting groove 41 is further provided with a first pin hole 42 and a second pin hole 43. The direction of the line connecting the first pin hole 42 and the second pin hole 43 is the same as the sliding direction of the connector in the connector slide groove.

The side push bar device 5 comprises a push bar main body 51 and 8 connecting protrusions 55, wherein the connecting protrusions 55 are capable of being inserted into holes of the connector and are matched with the holes of the connector in size. The material of the connecting protrusion 55 is Teflon. And when the connector passes through the furnace, the solder paste at the connector is melted by the high temperature in the furnace, and the connector is connected with the PCB. The end of the connector away from the PCB cannot enter the high temperature solder paste, otherwise the plastic material inside the connector is damaged. The size of the connecting bulge 55 in the device is matched with the hole of the connector, so that the connector is not deformed at high temperature, and the plastic material in the connector is not damaged.

In order to facilitate pushing the strip pushing main body 51, clamping protrusions 52 are integrally formed on the left and right sides of the strip pushing main body 51, and the clamping protrusions 52 facilitate clamping by a manipulator. The sliding block 54 is connected to the bottom surface of the strip pushing main body 51, when the strip pushing main body 51 moves, the sliding block 54 slides in the first sliding groove 44, the sliding direction of the strip pushing main body 51 is limited by the arrangement of the first sliding groove 44 and the sliding block 54, and the connection precision of the connector and the PCB is guaranteed. The strip pushing main body 51 is further provided with a fixing hole 53, and after the strip pushing main body 51 is in place, the strip pushing main body 51 is connected into the second pin hole 43 through a pin to fix the strip pushing main body 51.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The workpiece-striking and furnace-passing jig is characterized by comprising a carrier (1) and a side strip-pushing device (5); the carrier (1) is provided with a PCB mounting groove (2), connector sliding grooves (3) and side push bar mounting grooves (4), the side push bar mounting grooves (4) are symmetrically arranged on two sides of the PCB mounting groove (2), and a plurality of connector sliding grooves (3) are arranged between the side push bar mounting grooves (4) and the PCB mounting groove (2);

the PCB mounting groove (2) is used for mounting a PCB, the connector sliding groove (3) is used for placing a connector, and the side push bar device (5) is connected to the side push bar mounting groove (4); and the side push bar device (5) moves to push the connector in the connector sliding groove (3) to be connected with the PCB in the PCB mounting groove (2).

2. The workpiece furnace-passing jig according to claim 1, further comprising a pressing plate assembly (6), wherein the pressing plate assembly (6) is detachably connected with the carrier (1), and the pressing plate assembly (6) is used for pressing and holding the connector in the connector sliding groove (3).

3. The workpiece furnace-passing jig according to claim 2, characterized in that the pressure plate assembly (6) comprises a pressure plate (61) and an elastic knob (62) and an elastic pressing block (63) connected to the pressure plate (61);

the elastic knob (62) is detachably connected with the carrier (1), and the output end of the elastic pressing block (63) is used for pressing and holding the connector in the connector sliding groove (3).

4. The workpiece passing furnace jig according to claim 1, wherein the PCB mounting groove (2) comprises a first fixing groove (21) and a connecting plate (22), the connecting plate (22) is connected in the first fixing groove (21), and a plurality of positioning grooves (24) are formed in the first fixing groove (21) on two sides of the connecting plate (22).

5. The workpiece passing furnace jig according to claim 4, wherein the connector sliding groove (3) is communicated with the positioning groove (24), and the sliding direction of the connector sliding groove (3) faces the positioning groove (24).

6. The workpiece passing furnace jig according to claim 1, wherein eight connector sliding grooves (3) are arranged between the side pushing strip mounting groove (4) and the PCB mounting groove (2).

7. The workpiece passing furnace jig according to claim 1, wherein the side strip pushing device (5) comprises a strip pushing main body (51) and a plurality of connecting protrusions (55), the plurality of connecting protrusions (55) are connected to one side surface of the strip pushing main body (51), and the connecting protrusions (55) and the connector sliding grooves (3) are in the same straight line.

8. The workpiece passing furnace jig according to claim 7, wherein clamping protrusions (52) are symmetrically connected to two sides of the push bar main body (51).

9. The workpiece and furnace jig according to claim 7, wherein the pushing strip main body (51) is provided with a fixing hole (53) penetrating through the pushing strip main body (51);

and a first pin hole (42) and a second pin hole (43) which are matched with the fixing hole (53) are arranged in the side push bar mounting groove (4).

10. The workpiece and furnace jig according to claim 7, wherein the connecting protrusion (55) is made of Teflon.