CN215468645U

CN215468645U - Pulse pressure head and pulse press

Info

Publication number: CN215468645U
Application number: CN202121347634.6U
Authority: CN
Inventors: 李德金
Original assignee: Shenzhen Yilewen Technology Co ltd
Current assignee: Shenzhen Yilewen Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-11
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a pulse pressure head, which comprises an anode block, a cathode block and a pressure head, wherein the anode block is used for being communicated with external positive voltage; the negative electrode block is used for being communicated with an external negative voltage; the pressure head is arranged below the positive electrode block and the negative electrode block and used for connecting the pressure heads of the positive electrode block and the negative electrode block, a plurality of pressure grooves which are mutually spaced are formed in the lower end face of the pressure head, and bosses are formed between the adjacent pressure grooves. The utility model also discloses a pulse press which comprises a pulse pressing head, a lifting mechanism, a pressing mechanism, an insulating plate, an anode connecting block, a cathode connecting block and a jig. The pulse pressure head and the pulse press provided by the utility model have stable thermal welding quality and are free from tin connection.

Description

Pulse pressure head and pulse press

Technical Field

The utility model relates to the technical field of pulse presses, in particular to a pulse press head and a pulse press.

Background

Soldering tin by using a conventional soldering iron generally requires a great deal of skilled operators. The existing pressure welding machine which is advanced a little bit is only required to be fed and positioned, and the soldering tin part is finished by the machine. But has a limitation, and can only be used in the situation of large PI N bit width. The small PI N is easy to have bad tin connection, tin slag and the like. However, with the miniaturization and miniaturization of electronic products, the number of small and large PI N welding conditions is more and more. The existing flat pulse pressure head has the welding defects that: 1. tin is easy to press away and overflow, and the amount of tin on the product to be riveted is very small, so that the welding is not firm. 2. Tin is easy to press away and overflow, the tin is piled together, and short circuit is easy to occur between the tin piles. 3. Tin is easy to press away and overflow, uncertainty exists in the flow direction, internal tin connection is easy to occur, and the surface is not easy to perceive.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pulse pressing head and a pulse pressing machine, which are stable in thermal welding quality and free of tin connection.

The technical scheme adopted by the pulse pressure head disclosed by the utility model is as follows:

a pulse pressure head comprises a positive electrode block, a negative electrode block and a pressure head, wherein the positive electrode block is used for being communicated with an external positive voltage; the negative electrode block is used for being communicated with an external negative voltage; the pressure head is arranged below the positive electrode block and the negative electrode block and used for connecting the pressure heads of the positive electrode block and the negative electrode block, a plurality of pressure grooves which are mutually spaced are formed in the lower end face of the pressure head, and bosses are formed between the adjacent pressure grooves.

Preferably, the bosses are parallel to each other.

Preferably, the pressing grooves penetrate through the front end face and the rear end face of the pressing head.

Preferably, the width of the pressure head is smaller than that of the positive pole block or the negative pole block.

Preferably, the positive electrode block, the negative electrode block and the pressure head are integrally formed.

The pulse pressure head disclosed by the utility model has the beneficial effects that a plurality of pressure grooves which are mutually spaced are formed on the lower end surface of the pressure head, and a boss is formed between every two adjacent pressure grooves. The lower end surface of the pressure head is pressed on the product. Since the resistance of the end face of the pressure head is too large in the energized state, heat is accumulated for a short time. The bottom tin on the product is melted, and the melted bottom tin can emerge through the upper FPC hole and uniformly flow into the pressure groove, so that the tin can be uniformly attached to a corresponding area.

The utility model also discloses a pulse press, which comprises a pulse press head and a lifting mechanism, wherein the lifting mechanism comprises a slide rail, a slide block arranged on the slide rail in a sliding manner and a connecting base arranged on the slide block; the pressing mechanism is arranged on the connecting base; the insulating plate is arranged on the connecting base; the pulse pressure head comprises an anode connecting block and a cathode connecting block, wherein the anode connecting block and the cathode connecting block are arranged on an insulating plate in an insulating manner and are kept insulated from a connecting base through the insulating plate; and the jig is arranged below the pulse pressure head.

According to the preferable scheme, the pressing mechanism is an air cylinder, a connector is arranged at one end of the pressing mechanism, a clamping plate is arranged on the connecting base, and the connector is connected to the clamping plate in a clamping mode.

Preferably, a leveling plate is arranged between the connecting base and the insulating plate and used for leveling the pressure head.

Preferably, the jig comprises a jig component for fixing the product and a supporting component for supporting and adsorbing the FPC.

Preferably, the supporting component comprises a bottom support, a back support and an auxiliary suction plate, the back support and the auxiliary suction plate are arranged on the bottom support, the auxiliary suction plate is used for adsorbing the FPC, and the back support is opposite to the pressure head.

The pulse press disclosed by the utility model has the beneficial effects that: elevating system orders about insulation board, anodal connecting block and negative pole connecting block and pulse pressure head with pushing down the mechanism and pushes down, makes the pulse pressure head press to establish and places the product on the tool. The positive connecting block and the negative connecting block are in a power-on state, the insulating plate enables the positive connecting block and the negative connecting block to be insulated with the connecting base, and the pressure head of the pulse pressure head generates heat to achieve thermal welding.

Drawings

Fig. 1 is a schematic structural diagram of the impulse indenter of the present invention.

Figure 2 is a side view of the impulse ram of the present invention.

Figure 3 is a front view of the impulse ram of the present invention.

Fig. 4 is a partially enlarged schematic view of the impulse indenter of the present invention.

Fig. 5 is a schematic structural view of the pulse press of the present invention.

Fig. 6 is a side view of the pulse press of the present invention.

Detailed Description

The utility model will be further elucidated and described with reference to the embodiments and drawings of the specification:

referring to fig. 1, 2, 3 and 4, a pulse indenter includes a positive electrode block 11, a negative electrode block 12 and an indenter 13.

The positive electrode block 11 is used for being communicated with an external positive voltage, the negative electrode block 12 is used for being communicated with an external negative voltage, and the pressure head 13 is arranged below the positive electrode block 11 and the negative electrode block 12 and used for being connected with the pressure head 13 of the positive electrode block 11 and the negative electrode block 12. The lower end surface of the pressure head 13 is provided with a plurality of pressure grooves 131 which are spaced from each other, and a boss 132 is formed between the adjacent pressure grooves 131.

A plurality of mutually spaced press grooves 131 are formed on the lower end surface of the press head 13, and a boss 132 is formed between the adjacent press grooves 131. The lower end face of the pressing head 13 is pressed against the product. Since the resistance of the end face of the indenter 13 is excessively large in the energized state, heat is accumulated for a short time. The bottom tin on the product is melted, and the melted bottom tin can be ejected out through the upper FPC hole and uniformly flows into the pressing groove 131, so that the tin can be uniformly attached to the corresponding area.

Wherein, the negative pole block 12 and the positive pole block 11 are symmetrical left and right. The width of the pressure head 13 is smaller than that of the positive pole block 11 or the negative pole block 12. In this embodiment, the positive electrode block 11 and the negative electrode block 12 have the same width, and the width of the indenter 13 is less than one fifth of the width of the positive electrode block 11.

The pressing grooves 131 penetrate through the front end surface and the rear end surface of the pressing head 13. A plurality of the bosses 132 are parallel to each other. The positive electrode block 11, the negative electrode block 12 and the pressure head 13 are integrally formed.

Referring to fig. 5 and 6, the present invention further discloses a pulse press, which includes a pulse press head 10, a lifting mechanism 20, a pressing mechanism 30, an insulating plate 40, a positive connecting block 50, a negative connecting block 60, and a jig 70.

The lifting mechanism 20 includes a slide rail 21, a slide block 22 slidably disposed on the slide rail 21, and a connection base 23 disposed on the slide block 22.

The pressing mechanism 30 is provided on the connection base 23, and the insulating plate 40 is provided on the lower end surface of the connection base 23. The positive electrode connecting block 50 and the negative electrode connecting block 60 are arranged on the insulating plate 40 in an insulating manner, and are kept insulated from the connecting base 23 through the insulating plate 40, the positive electrode block 11 of the pulse pressure head 10 is connected with the positive electrode connecting block 50, and the negative electrode block 12 of the pulse pressure head 10 is connected with the negative electrode connecting block 60. The jig 70 is arranged below the pulse pressing head 10.

The lifting mechanism 20 and the pressing mechanism 30 drive the insulating plate 40, the positive connecting block 50, the negative connecting block 60 and the pulse pressing head 10 to be pressed down, so that the pulse pressing head 10 presses the product placed on the jig 70. The positive connecting block 50 and the negative connecting block 60 are in a power-on state, the insulating plate 40 keeps the positive connecting block 50 and the negative connecting block 60 insulated from the connecting base 23, and the pressure head 13 of the pulse pressure head 10 generates heat to realize thermal welding.

The pressing mechanism 30 is a cylinder, a connector 31 is arranged at one end of the pressing mechanism 30, the clamping plate 24 is arranged on the connecting base 23, and the connector 31 is connected to the clamping plate 24 in a clamping mode. The cylinder is provided to allow the ram 13 to obtain a stable pressure. Wherein, an open slot is formed on the clamping plate 24, so that the joint 31 is clamped at the open slot. The pressing mechanism 30 and the elevating mechanism 20 are connected by fitting the joint 31 to the catch plate 24.

Wherein, a leveling plate 25 is arranged between the connecting base 23 and the insulating plate 40, and the leveling plate 25 is used for leveling the pressure head 13.

The jig 70 includes a jig assembly 74 for fixing a product, and a support assembly for supporting and adsorbing the FPC. The supporting component comprises a bottom support 71, a back support 72 and an auxiliary suction plate 73, the back support 72 and the auxiliary suction plate 73 are arranged on the bottom support 71, the auxiliary suction plate 73 is used for absorbing the FPC, and the back support 72 is opposite to the pressure head 13. The back support 72 is made of quartz material. So as to ensure smooth compression joint and reduce heat transfer. The base support 71 is provided with a fixing groove, and the back support 72 is arranged in the fixing groove.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A pulse pressure head is characterized by comprising

A positive electrode block for communicating with an external positive voltage;

the negative pole block is used for being communicated with an external negative voltage; and

the pressure head is arranged below the positive electrode block and the negative electrode block and used for connecting the pressure heads of the positive electrode block and the negative electrode block, a plurality of pressure grooves which are mutually spaced are formed in the lower end face of the pressure head, and bosses are formed between the adjacent pressure grooves.

2. A pulse indenter as in claim 1, wherein a plurality of said projections are parallel to each other.

3. A pulse indenter as in claim 1, wherein a plurality of said indenter grooves extend through the front face and the rear face of the indenter.

4. The pulse indenter of claim 1, wherein the indenter width is less than the positive block or the negative block.

5. The pulse indenter of claim 4, wherein the positive block, the negative block, and the indenter are integrally formed.

6. An impulse press, characterized in that it comprises an impulse ram according to any one of claims 1-5, and further comprises

The lifting mechanism comprises a slide rail, a slide block arranged on the slide rail in a sliding manner and a connecting base arranged on the slide block;

the pressing mechanism is arranged on the connecting base;

the insulating plate is arranged on the connecting base;

the pulse pressure head comprises an anode connecting block and a cathode connecting block, wherein the anode connecting block and the cathode connecting block are arranged on an insulating plate in an insulating manner and are kept insulated from a connecting base through the insulating plate; and

the jig is arranged below the pulse pressure head.

7. The pulse press as claimed in claim 6, wherein the pressing mechanism is a cylinder, a joint is provided at one end of the pressing mechanism, a clamping plate is provided on the connecting base, and the joint is connected to the clamping plate in a clamping manner.

8. The pulse press of claim 6, wherein a leveling plate is provided between the connection base and the insulating plate, the leveling plate being configured to level the indenter.

9. The pulse press of claim 6, wherein the jig comprises a jig component for fixing the product, and a support component for supporting and adsorbing the FPC.

10. The pulse press of claim 9, wherein the support assembly comprises a base support, a back support and an auxiliary suction plate, the back support and the auxiliary suction plate are arranged on the base support, the auxiliary suction plate is used for sucking the FPC, and the back support is opposite to the press head.