CN210640194U

CN210640194U - Novel die head

Info

Publication number: CN210640194U
Application number: CN201922208446.4U
Authority: CN
Inventors: 朱胜任
Original assignee: Shenzhen Guanghengda Hardware Plastic Products Co Ltd
Current assignee: Shenzhen Guanghengda Hardware Plastic Products Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-05-29
Anticipated expiration: 2029-12-10

Abstract

The utility model belongs to the technical field of semiconductor packaging, and discloses a novel die head, which comprises a top plate, wherein the top part of the top plate is provided with a connecting seat, the inside of the connecting seat is provided with a clamping groove, the bottom part of the top plate is provided with a fixing frame, the inside of the fixing frame is penetrated with nine adjusting rods, the nine adjusting rods are screwed with the fixing frame and are all connected with adjusting bolts, and the bottoms of the nine adjusting rods are provided with pressure springs, the bottoms of the pressure springs are fixedly connected with a pressure plate through bolts, the inside of the clamping groove is symmetrically screwed with two screw rods, the utility model can ensure that the adjusting rods are fixed at the positions on the fixing frame required by a user by screwing the adjusting bolts, thereby moving the pressure plate and the pressure springs to the positions required by the user, extruding the pressure plate through the pressure springs, leading the pressure plate to be in full contact with, the device does not need secondary reworking, and the yield of finished products is improved.

Description

Novel die head

Technical Field

The utility model belongs to the technical field of the semiconductor package, concretely relates to novel die head.

Background

The semiconductor packaging refers to a process of processing a wafer passing a test according to a product model and a function requirement to obtain an independent chip, and the packaging process is as follows: the wafer from the previous process of the wafer is cut into small chips after scribing process, then the cut chips are pasted on the corresponding small island of the substrate (lead frame) frame by glue, and then the bonding pads of the chips are connected to the corresponding pins of the substrate by utilizing superfine metal (gold tin copper aluminum) wires or conductive resin to form the required circuit; and then packaging and protecting the independent wafer by using a plastic shell, carrying out a series of operations after plastic packaging, carrying out finished product testing after packaging, generally carrying out procedures such as inspection, Test, packaging and the like, and finally warehousing and shipping.

In the chinese patent of patent number "CN 201820085262.6", a novel die head is disclosed, this patent describes "the side of arc mounting groove still is provided with the via hole 102 of bisymmetry respectively, through setting up via hole 102, can reinforce the installation through via hole 102, and, can observe inside connection installation condition" and "the utility model discloses a four sharp guiding gutters are used for with soldering tin liquid water conservancy diversion even to and four air discharge ducts are used for when pressing tin takes shape, the air of discharging prevents to press tin to take shape and appear the bubble, and it is effectual to press tin, the device that this patent provided can't fully contact with tin, thereby can cause the tin of pressing incomplete, needs the secondary to do over again, reduces off-the-shelf yields, and can only be connected with fixed specification hydraulic stem, the application range of device has the limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel die head to can't fully contact with tin that proposes in solving above-mentioned background art, cause the pressure tin not thorough, reduce the finished product yields and can only be connected with fixed specification hydraulic stem, the application range of device has the problem of limitation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel die head, includes the roof, the connecting seat is installed at the top of roof, the draw-in groove has been seted up to the inside of connecting seat, and the bottom of roof installs the mount, the inside of mount is run through there are nine to adjust the pole, nine adjust and close all to be connected with adjusting bolt between pole and the mount soon, and nine bottoms of adjusting the pole install the pressure spring, bolt fixedly connected with clamp plate is passed through to the bottom of pressure spring.

Preferably, the inside symmetry of draw-in groove closes soon and is connected with two screws, two splint are all installed to the one end that the screw rod is relative, and the one end that two screws are mutually the opposite of each other all installs the head that changes.

Preferably, the clamping plate is provided with a non-slip mat at one end opposite to the screw rod, and one side of the non-slip mat opposite to the clamping plate is provided with a non-slip bulge.

Preferably, the finger rods are installed on two sides of the rotating head, and finger grooves are formed in two sides of each finger rod.

Preferably, one side of the top of the adjusting rod is provided with a pull ring, and the pull ring is provided with a pull hole.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a twist and move adjusting bolt, make the regulation pole be fixed in the position department that the user needed on the mount to remove clamp plate and pressure spring to the position department that the user needed, extrude the clamp plate through the pressure spring, make the clamp plate carry out abundant contact to the soldering tin, thereby let the device can thoroughly extrude the soldering tin, let the device need not the secondary and do over again, improve off-the-shelf yields.

(2) The utility model discloses a rotating the turn round, making the turn round drive the screw rod and remove, making the screw rod remove in the draw-in groove to drive splint and remove, through splint centre gripping pneumatic cylinder, let the connecting seat fixed in the hydraulic stem block, thereby let the device can carry out fixed connection with the pneumatic cylinder of different specifications, thereby reached the effect that improves device application range.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an internal structural view of the present invention;

fig. 3 is a bottom view of the present invention;

in the figure: 1-top plate, 2-rotary head, 3-finger rod, 4-clamping groove, 5-screw, 6-clamping plate, 7-non-slip mat, 8-finger groove, 9-connecting seat, 10-pull ring, 11-adjusting bolt, 12-pressing plate, 13-pressure spring, 14-adjusting rod and 15-fixing frame.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a novel die head comprises a top plate 1, a connecting seat 9 is installed at the top of the top plate 1, a clamping groove 4 is formed in the connecting seat 9, a fixing frame 15 is installed at the bottom of the top plate 1, nine adjusting rods 14 penetrate through the fixing frame 15, adjusting bolts 11 are connected between the nine adjusting rods 14 and the fixing frame 15 in a screwing mode, pressure springs 13 are installed at the bottoms of the nine adjusting rods 14, a pressing plate 12 is fixedly connected to the bottom of each pressure spring 13 through bolts, the adjusting rods 14 are moved to positions, required by a user, on the fixing frame 15 by pulling the adjusting rods 14 to move, the adjusting rods 14 are fixed to positions, required by the user, on the fixing frame 15 by screwing the adjusting bolts 11, so that the pressing plate 12 and the pressure springs 13 are fixed to the positions, required by the user, when the pressing plate 12 extrudes soldering tin, the pressing plate 12 is tightly attached to the soldering tin through the, secondary rework is not needed.

Preferably, the inside symmetry of draw-in groove 4 closes soon and is connected with two screw rods 5, splint 6 is all installed to the one end that two screw rods 5 are relative, and the one end that two screw rods 5 carried on the back mutually all installs the turn 2, through rotating turn 2, make turn 2 drive screw rod 5 rotate, thereby drive screw rod 5 and remove in draw-in groove 4, thereby drive splint 6 and remove, through 6 centre gripping hydraulic stem of splint, thereby it is fixed with connecting seat 9 and hydraulic stem, let the device be convenient for with the hydraulic stem fixed connection of different specifications.

In order to increase the tightness of the clamping plate 6 clamping the hydraulic rod, in the embodiment, preferably, the clamping plate 6 is provided with a non-slip mat 7 at one end opposite to the screw 5, and one side of the non-slip mat 7 opposite to the clamping plate 6 forms a non-slip bulge.

In order to facilitate the rotation of the rotating head 2, in this embodiment, preferably, the finger rods 3 are mounted on two sides of the rotating head 2, and the finger grooves 8 are formed on two sides of the finger rods 3.

In order to facilitate the pulling of the adjusting rod 14, in the embodiment, preferably, a pull ring 10 is installed on one side of the top of the adjusting rod 14, and a pull hole is formed on the pull ring 10.

The utility model discloses a theory of operation and use flow: when the utility model is used, the device is moved to a use point, a hydraulic rod of a hydraulic machine is inserted into a clamping groove 4, a rotary head 2 is rotated through a finger rod 3 and a finger groove 8, so as to drive a screw rod 5 to rotate, the screw rod 5 is moved in the clamping groove 4, so as to drive a clamping plate 6 to move, a hydraulic cylinder is fixed with a connecting seat 9 through the clamping plate 6, after the device is fixed, an adjusting rod 14 is pulled through a pull ring 10, so as to move the adjusting rod 14 in a fixing frame 15, after the adjusting rod 14 is moved to a position on the fixing frame 15 required by a user, an adjusting bolt 11 is screwed, so as to fix the adjusting rod 14 at the position on the fixing frame 15 required by the user, a packaged semiconductor to be processed is placed below a pressing plate 12, the device is driven to move through the hydraulic rod, so as to extrude a pressure spring 13, the pressing plate 12 is tightly attached with soldering tin, avoid soldering tin extrusion insufficient, let the device need not secondary reworking, improve the yields of product.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel pressure die head which characterized in that: the novel adjustable pressure spring is characterized by comprising a top plate, a connecting seat is installed at the top of the top plate, a clamping groove is formed in the connecting seat, a fixing frame is installed at the bottom of the top plate, nine adjusting rods penetrate through the inside of the fixing frame, nine adjusting rods are arranged between the adjusting rods and the fixing frame in a screwing mode and are connected with adjusting bolts, a pressure spring is installed at the bottom of each adjusting rod, and a pressing plate is fixedly connected to the bottom of the pressure spring through bolts.

2. A novel die head according to claim 1, wherein: the inside symmetry of draw-in groove closes soon and is connected with two screw rods, two splint are all installed to the one end that the screw rod is relative, and the head that turns is all installed to the one end that two screw rods carried on the back mutually.

3. A novel die head according to claim 2, wherein: the one end of splint for the screw rod is installed the slipmat, the slipmat forms anti-skidding arch for one side of splint.

4. A novel die head according to claim 2, wherein: finger rods are arranged on two sides of the rotating head, and finger grooves are formed in two sides of the finger rods.

5. A novel die head according to claim 1, wherein: a pull ring is installed on one side of the top of the adjusting rod, and a pull hole is formed in the pull ring.