CN219066797U

CN219066797U - Auxiliary fixture for paster of voltage-stabilizing diode

Info

Publication number: CN219066797U
Application number: CN202222951166.4U
Authority: CN
Inventors: 易河清; 周夕丞; 罗屹; 易赛琴
Original assignee: Shenzhen Yiruiheng Electronics Co ltd
Current assignee: Shenzhen Yiruiheng Electronics Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-23
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a patch auxiliary tool for a voltage-stabilizing diode, which relates to the technical field of diodes and comprises a tool plate, wherein two groups of clamping structures are fixedly arranged at the top end of the tool plate, each clamping structure comprises a driving plate, the inner wall of each driving plate is rotationally connected with a double-head screw, the surface of each double-head screw is sleeved with a front clamping ring and a rear clamping ring, the surface of each double-head screw is fixedly sleeved with a ratchet wheel, and the inner wall of each driving plate is provided with a communication groove. Utilize the double-end screw rod can drive preceding grip ring and back grip ring respectively and carry out opposite directions or move away from each other for preceding grip ring and back grip ring can carry out supplementary centre gripping to the diode of different specifications, through carrying out stable centre gripping to the diode, the staff of being convenient for carries out subsequent paster processing to it, has avoided the diode to appear rocking when the paster is processed, thereby has improved the stability of diode when the paster.

Description

Auxiliary fixture for paster of voltage-stabilizing diode

Technical Field

The utility model relates to the technical field of diodes, in particular to a patch auxiliary tool of a voltage-stabilizing diode.

Background

The voltage stabilizing diode is a special surface contact crystal diode made of silicon material, and is a diode with voltage stabilizing function, which is actually made by utilizing the phenomenon that the conducting current of a pn junction can be changed in a large range and the terminal voltage is basically unchanged when the pn junction is in a reverse breakdown state.

A zener diode is a semiconductor device having a very high resistance up to a critical reverse breakdown voltage, and is widely used in the limitation and protection of electronic components to achieve current diversion and overvoltage protection of the electronic components in use.

The zener diode needs to be subjected to the chip mounting treatment in the production process, and the chip mounting treatment is needed by means of a chip mounter.

The auxiliary device for the patch of the voltage-stabilizing diode disclosed in the patent publication No. CN201920529754.4 can well assist the operation of a patch machine, improves the production efficiency and is suitable for production;

the inventors found that the following problems are not solved in the process of realizing the scheme: in the scheme, although the tooling plate is designed, how the tooling plate performs auxiliary positioning treatment on the zener diode is not mentioned, so that the stability of the zener diode in the process of mounting is difficult to be ensured.

Disclosure of Invention

The utility model provides a patch auxiliary tool for a voltage-stabilizing diode, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a zener diode's paster auxiliary fixtures, includes the frock board, the top fixed mounting of frock board has two sets of clamping structure, the clamping structure includes the drive plate, the inner wall of drive plate rotates and is connected with double-end screw rod, double-end screw rod's surface cover is equipped with preceding grip ring and back grip ring, double-end screw rod's fixed surface has cup jointed the ratchet, the intercommunication groove has been seted up to the inner wall of drive plate, the locating bolt has been placed to the inner wall of intercommunication groove.

Further, the surface of double-end screw rod is provided with the both ends and trend opposite screw thread groove, the direction of movement of preceding grip ring and back grip ring is opposite, the back end of double-end screw rod extends to the outside of drive plate and fixedly connected with changes the handle.

Further, the inner sides of the front clamping ring and the rear clamping ring are respectively fixedly connected with an abutting plate and a movable rod, and a groove matched with the movable rod is formed in one end, close to the movable rod, of the abutting plate.

Further, the bottom of locating bolt and the top overlap joint of ratchet, the top fixedly connected with ejector plate of locating bolt, the ejector plate is located the opening part inboard that the intercommunication groove is located the drive plate top.

Further, the top fixed mounting of drive plate has the link, the link is located the opening part top that the intercommunication groove is located the drive plate top, the inboard activity grafting of link has the restriction pole, the restriction pole is located the top of liftout plate.

Compared with the prior art, the utility model provides a patch auxiliary tool for a voltage-stabilizing diode, which has the following beneficial effects:

this zener diode's paster auxiliary fixtures utilizes the double-end screw rod to drive respectively preceding grip ring and back grip ring and carries out opposite direction or move away from each other through setting up the clamp structure for preceding grip ring and back grip ring can carry out the auxiliary clamping to the diode of different specifications, through carrying out stable centre gripping to the diode, the staff of being convenient for carries out subsequent paster processing to it, has avoided the diode to appear rocking when the paster processing, thereby has improved the stability of diode when the paster.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the clamping structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. a tooling plate; 2. a clamping structure; 3. a driving plate; 4. a double-ended screw; 5. a front clamping ring; 6. a rear clamping ring; 7. a contact plate; 8. a movable rod; 9. a ratchet wheel; 10. a communication groove; 11. a positioning bolt; 12. an ejector plate; 13. a connecting frame; 14. and a restraining bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model discloses a patch auxiliary tool for a zener diode, which comprises a tooling plate 1, wherein two groups of clamping structures 2 are fixedly arranged at the top end of the tooling plate 1, each clamping structure 2 comprises a driving plate 3, a double-head screw 4 is rotatably connected to the inner wall of each driving plate 3, a front clamping ring 5 and a rear clamping ring 6 are sleeved on the surface of each double-head screw 4, a ratchet wheel 9 is fixedly sleeved on the surface of each double-head screw 4, a communicating groove 10 is formed in the inner wall of each driving plate 3, and a positioning bolt 11 is arranged on the inner wall of each communicating groove 10.

The bottom of locating bolt 11 and the top overlap joint of ratchet 9, the top fixedly connected with liftout plate 12 of locating bolt 11, liftout plate 12 is located the intercommunication groove 10 and is located the opening part inboard at drive plate 3 top, the top fixed mounting of drive plate 3 has link 13, link 13 is located the opening part top that intercommunication groove 10 is located drive plate 3 top, the inboard activity grafting of link 13 has restriction pole 14, restriction pole 14 is located the top of liftout plate 12, through setting up clamping structure 2, utilizes double-end screw rod 4 can drive preceding grip ring 5 and back grip ring 6 respectively and carry out opposite direction or looks motion for preceding grip ring 5 and back grip ring 6 can carry out supplementary centre gripping to the diode of different specifications, through carrying out stable centre gripping to the diode, the staff of being convenient for carries out subsequent paster processing to it, has avoided the diode to appear rocking when the paster processing to stability when having improved the diode.

Specifically, the surface of double-end screw rod 4 is provided with the both ends and trend opposite screw thread groove, the direction of motion of preceding grip ring 5 and back grip ring 6 is opposite, the back end of double-end screw rod 4 extends to the outside of drive plate 3 and fixedly connected with changes the handle.

In this embodiment, the front clamping ring 5 and the rear clamping ring 6 come closer together, causing the front clamping ring 5 and the rear clamping ring 6 to finally clamp the diode therein.

Specifically, the inner sides of the front clamping ring 5 and the rear clamping ring 6 are respectively fixedly connected with an abutting plate 7 and a movable rod 8, and a groove matched with the movable rod 8 is formed in one end, close to the movable rod 8, of the abutting plate 7.

In this embodiment, since the abutting plate 7 and the movable rod 8 overlap each other, the bottom end of the diode located between the front clamping ring 5 and the rear clamping ring 6 is contacted with the abutting plate 7 and the movable rod 8, so that the diode is prevented from sliding out from between the front clamping ring 5 and the rear clamping ring 6.

When the auxiliary fixture is used, firstly, the auxiliary fixture is placed below the chip mounter, then, the diode to be clamped is placed between the front clamping ring 5 and the rear clamping ring 6, as the abutting plate 7 and the movable rod 8 are mutually overlapped, the bottom end of the diode between the front clamping ring 5 and the rear clamping ring 6 is firstly contacted with the abutting plate 7 and the movable rod 8, then the limiting rod 14 is pulled, the limiting rod 14 is far away from the upper part of the ejector plate 12, the limiting state of the ejector plate 12 at the moment is relieved, the positioning bolt 11 can be subjected to reciprocating lifting motion along with the rotation of the ratchet wheel 9 at the moment, then, the worker rotates the double-headed screw 4, the rotation of the double-headed screw 4 can respectively drive the front clamping ring 5 and the rear clamping ring 6 to perform opposite or opposite motion, the front clamping ring 5 and the rear clamping ring 6 are gradually close, and the front clamping ring 5 and the rear clamping ring 6 are finally clamped in the diode.

To sum up, this zener diode's paster auxiliary fixtures through setting up clamping structure 2, utilizes double-end screw rod 4 can drive respectively preceding grip ring 5 and back grip ring 6 and carry out opposite direction or move away from each other for preceding grip ring 5 and back grip ring 6 can carry out supplementary centre gripping to the diode of different specifications, through carrying out stable centre gripping to the diode, the staff of being convenient for carries out subsequent paster processing to it, has avoided the diode to appear rocking when the paster processing, thereby has improved the stability of diode when the paster.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 zener diode's paster auxiliary fixtures, includes frock board (1), its characterized in that: the tool comprises a tool plate (1), wherein two groups of clamping structures (2) are fixedly arranged at the top end of the tool plate (1), each clamping structure (2) comprises a driving plate (3), a double-head screw rod (4) is rotationally connected to the inner wall of each driving plate (3), a front clamping ring (5) and a rear clamping ring (6) are sleeved on the surface of each double-head screw rod (4), a ratchet wheel (9) is sleeved on the surface of each double-head screw rod (4), a communicating groove (10) is formed in the inner wall of each driving plate (3), and a positioning bolt (11) is arranged on the inner wall of each communicating groove (10).

2. The auxiliary fixture for the surface mount device of the zener diode as claimed in claim 1, wherein: the surface of double-end screw rod (4) is provided with the screw thread groove that both ends trend is opposite, the direction of motion of preceding grip ring (5) and back grip ring (6) is opposite, the back end of double-end screw rod (4) extends to the outside of drive plate (3) and fixedly connected with changes the handle.

3. The auxiliary fixture for the surface mount device of the zener diode as claimed in claim 1, wherein: the inner sides of the front clamping ring (5) and the rear clamping ring (6) are fixedly connected with an abutting plate (7) and a movable rod (8) respectively, and a groove matched with the movable rod (8) is formed in one end, close to the movable rod (8), of the abutting plate (7).

4. The auxiliary fixture for the surface mount device of the zener diode as claimed in claim 1, wherein: the bottom of locating bolt (11) overlap joint with the top of ratchet (9), the top fixedly connected with ejector plate (12) of locating bolt (11), ejector plate (12) are located the opening part inboard that intercommunication groove (10) are located drive plate (3) top.

5. The auxiliary fixture for the surface mount device of the zener diode as claimed in claim 4, wherein: the top fixed mounting of drive plate (3) has link (13), link (13) are located opening part top that intercommunication groove (10) are located drive plate (3) top, limit pole (14) are pegged graft in the inboard activity of link (13), limit pole (14) are located the top of liftout plate (12).