CN216563056U

CN216563056U - Material box limiting mechanism of lead frame

Info

Publication number: CN216563056U
Application number: CN202122867894.2U
Authority: CN
Inventors: 张超; 隋越; 周世祥
Original assignee: Shanghai Chengqian Industrial Co ltd
Current assignee: Shanghai Chengqian Industrial Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-17
Anticipated expiration: 2031-11-22

Abstract

The utility model belongs to the technical field of lead frame processing, and discloses a material box limiting mechanism of a lead frame, which comprises a table-board substrate, wherein a back plate is arranged below the table-board substrate, a guide post is arranged on one side of the back plate and below the table-board substrate, a second limiting plate is connected on the guide post in a sliding manner, a first limiting plate is arranged below the table-board substrate and in front of the second limiting plate, the first limiting plate can move back and forth relative to the second limiting plate and can also move along the direction far away from or close to the back plate along with the second limiting plate, and a limiting space is formed among the back plate, the first limiting plate and the second limiting plate. Under the action of the linear bearing, the guide shaft, the second sliding table and the third guide rail, the first limiting plate and the second connecting plate connected with the first limiting plate through the connecting rod move back and forth, and the limiting adjustment of the length and the width of a product can be completed without replacing any part.

Description

Material box limiting mechanism of lead frame

Technical Field

The utility model belongs to the technical field of lead frame processing, and particularly relates to a material box limiting mechanism of a lead frame.

Background

The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection between a leading-out end of an internal circuit of a chip and an external lead by means of bonding materials (gold wires, aluminum wires and copper wires) to form an electrical circuit, plays a role of a bridge connected with an external lead, needs to be used in most semiconductor integrated blocks and is an important basic material in the electronic information industry.

The existing limiting mechanism of the lead frame material box can only complete the limiting adjustment of the length and the width by replacing parts, and can not synchronously complete the position adjustment of the material arranging cylinder in the adjusting process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a material box limiting mechanism of a lead frame, which aims to solve the existing problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a magazine stop gear of lead frame, includes the mesa base plate, the backplate is installed to the below of mesa base plate, the guide post is installed to one side of backplate and the below that is located the mesa base plate, sliding connection has the second limiting plate on the guide post, the place ahead position department that the below of mesa base plate just is located the second limiting plate installs first limiting plate, first limiting plate can be for the second limiting plate back-and-forth movement, still can be along with the second limiting plate to keeping away from or being close to the direction removal of backplate, form a spacing space between backplate, first limiting plate and the second limiting plate for spacing to the magazine.

Preferably, the material box limiting mechanism of the lead frame is characterized in that a second guide rail is mounted on the upper surface of the table-board substrate, a third sliding table is connected to the second guide rail in a sliding manner, a material shaping plate is connected to the third sliding table through a first connecting plate, and the second limiting plate is mounted below the material shaping plate.

Preferably, the second guide rail is further connected with a first sliding table in a sliding manner, a base is mounted above the first sliding table, a third guide rail is mounted above the base, the third guide rail is connected with a second sliding table in a sliding manner, a second connecting plate is mounted above the second sliding table, the first limiting plate is fixed below the second connecting plate through a connecting rod, a linear bearing is mounted on the outer side of the second limiting plate, a guide shaft is mounted inside the linear bearing, and the rear wall of the first limiting plate is fixed with the guide shaft.

Preferably, a material arranging cylinder is further mounted on the base, an output end of the material arranging cylinder is connected to the first connecting plate, and the material arranging cylinder is used for driving a material arranging plate to transversely move along the second guide rail.

Preferably, the material box limiting mechanism of the lead frame is characterized in that a first guide rail is further mounted on the upper surface of the table-board substrate, the first guide rail is parallel to a second guide rail, a groove is formed in the first guide rail, and the end of the base is connected with the groove through a knob.

Preferably, the material box limiting mechanism of the lead frame is characterized in that the upper surface of the table-board substrate is also provided with scale marks, and the scale marks are positioned between the first guide rail and the second guide rail.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the second limiting plate is transversely moved along the guide column, meanwhile, the first limiting plate and the material arranging plate transversely move together, the first limiting plate and the second connecting plate connected with the first limiting plate through the connecting rod move back and forth under the action of the linear bearing, the guide shaft, the second sliding table and the third guide rail, the limiting adjustment of the length and the width of a product can be completed without replacing any part, and in the adjusting process of transverse movement, the position adjustment of the material arranging cylinder is realized.

Drawings

FIG. 1 is one of the perspective views of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view taken at B of FIG. 2 in accordance with the present invention;

FIG. 5 is a front view of the present invention;

FIG. 6 is a top view of the present invention;

in the figure: 1. material preparation plates; 2. a first connecting plate; 3. a second connecting plate; 4. a first guide rail; 5. a material arranging cylinder; 6. a knob; 7. a base; 8. a second guide rail; 9. a first sliding table; 10. a second sliding table; 11. a third guide rail; 12. a connecting rod; 13. a guide shaft; 14. a linear bearing; 15. a first limit plate; 16. a back plate; 17. a mesa substrate; 18. scale lines; 19. a guide post; 20. a second limiting plate; 21. and a third sliding table.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a magazine stop gear of lead frame, including mesa base plate 17, backplate 16 is installed to mesa base plate 17's below, guide post 19 is installed to one side of backplate 16 and the below that is located mesa base plate 17, sliding connection has second limiting plate 20 on the guide post 19, mesa base plate 17's below and the place ahead position department that is located second limiting plate 20 install first limiting plate 15, first limiting plate 15 can be for the back-and-forth movement of second limiting plate 20, still can be along with second limiting plate 20 to keeping away from or being close to the direction removal of backplate 16, form a spacing space between first limiting plate 15 and the second limiting plate 20, be used for spacing to the magazine.

Specifically, the upper surface of the table board base plate 17 is provided with a second guide rail 8, the second guide rail 8 is connected with a third sliding table 21 in a sliding manner, the third sliding table 21 is connected with a material shaping plate 1 through a first connecting plate 2, and a second limiting plate 20 is installed below the material shaping plate 1.

Specifically, last sliding connection has first slip table 9 of going back of second guide rail 8, base 7 is installed to the top of first slip table 9, third guide rail 11 is installed to the top of base 7, sliding connection has second slip table 10 on the third guide rail 11, second connecting plate 3 is installed to the top of second slip table 10, first limiting plate 15 is fixed in the below of second connecting plate 3 through connecting rod 12, linear bearing 14 is installed in the outside of second limiting plate 20, linear bearing 14's internally mounted has guiding axle 13, first limiting plate 15's back wall is fixed with guiding axle 13.

It should be noted that the second connecting plate 3 is an L-shaped structure, one end of the second connecting plate 3 of the L-shaped structure is connected to the upper surface wall of the connecting rod 12, and the other end is connected to the upper surface wall of the second sliding table 10.

Specifically, a material preparing cylinder 5 is further mounted on the base 7, an output end of the material preparing cylinder 5 is connected to the first connecting plate 2, and the material preparing cylinder 5 is used for driving the material preparing plate 1 to transversely move along the second guide rail 8. It is worth mentioning that the material shaping cylinder 5 is used to drive the first connecting plate 2, the material shaping plate 1 and the second limiting plate 20 to move transversely along the second guide rail 8.

Specifically, the upper surface of the table board substrate 17 is further provided with a first guide rail 4, the first guide rail 4 is parallel to the second guide rail 8, a groove is formed in the first guide rail 4, and the end portion of the base 7 is connected with the groove through a knob 6.

Specifically, the top surface of the table board substrate 17 is further provided with scale marks 18, and the scale marks 18 are located between the first guide rail 4 and the second guide rail 8. It is worth to be noted that the setting of the scale marks 18 facilitates the visual observation and the size adjustment of the staff.

The working principle and the using process of the utility model are as follows: unscrewing knob 6, second limiting plate 20 is along guide post 19 lateral shifting to the direction that is close to or keeps away from backplate 16 along guide post 19, and simultaneously, first limiting plate 15 and whole piece board 1 are along the lateral shifting together, at linear bearing 14, guiding shaft 13, under the effect of second slip table 10 and third guide rail 11, first limiting plate 15 and the second connecting plate 3 back-and-forth movement that is connected through connecting rod 12 with first limiting plate 15, adjust the completion back, reverse screwing knob 6, the rigidity, need not to change any part, just can accomplish the spacing adjustment of product length and width, and, in lateral shifting's adjustment process, the position adjustment of whole piece cylinder 5 has been realized.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a magazine stop gear of lead frame which characterized in that: including mesa base plate (17), backplate (16) are installed to the below of mesa base plate (17), guide post (19) are installed to one side of backplate (16) and the below that is located mesa base plate (17), sliding connection has second limiting plate (20) on guide post (19), the below of mesa base plate (17) and the place ahead position department that is located second limiting plate (20) install first limiting plate (15), first limiting plate (15) can be for second limiting plate (20) back-and-forth movement, still can be along with second limiting plate (20) to keeping away from or being close to the direction removal of backplate (16), form a spacing space between backplate (16), first limiting plate (15) and second limiting plate (20) for spacing to the magazine.

2. The magazine limiting mechanism of lead frames according to claim 1, characterized in that: the upper surface mounting of mesa base plate (17) has second guide rail (8), sliding connection has third slip table (21) on second guide rail (8), last being connected with whole flitch (1) through first connecting plate (2) of third slip table (21), second limiting plate (20) install in the below of whole flitch (1).

3. The magazine limiting mechanism of lead frames according to claim 2, characterized in that: still sliding connection has first slip table (9) on second guide rail (8), base (7) are installed to the top of first slip table (9), third guide rail (11) are installed to the top of base (7), sliding connection has second slip table (10) on third guide rail (11), second connecting plate (3) are installed to the top of second slip table (10), first limiting plate (15) are fixed in through connecting rod (12) the below of second connecting plate (3), linear bearing (14) are installed in the outside of second limiting plate (20), the internally mounted of linear bearing (14) has guiding axle (13), the back wall of first limiting plate (15) with guiding axle (13) are fixed.

4. The magazine limiting mechanism of lead frames according to claim 3, characterized in that: the material arranging device is characterized in that a material arranging cylinder (5) is further mounted on the base (7), the output end of the material arranging cylinder (5) is connected to the first connecting plate (2), and the material arranging cylinder (5) is used for driving the material arranging plate (1) to transversely move along the second guide rail (8).

5. The lead frame magazine limiting mechanism of claim 4, wherein: the upper surface of the table board base plate (17) is further provided with a first guide rail (4), the first guide rail (4) is parallel to a second guide rail (8), a groove is formed in the first guide rail (4), and the end portion of the base (7) is connected with the groove through a knob (6).

6. The lead frame magazine limiting mechanism of claim 5, wherein: the upper surface of mesa base plate (17) still is equipped with scale mark (18), scale mark (18) are located between first guide rail (4) and second guide rail (8).