CN217363423U

CN217363423U - Novel printing prevents that component top from hindering flexible thimble device

Info

Publication number: CN217363423U
Application number: CN202123048055.4U
Authority: CN
Inventors: 刘丽君
Original assignee: Suzhou Hehong Century Electronics Co ltd
Current assignee: Suzhou Hehong Century Electronics Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-09-02
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a novel printing prevents that component top from hindering flexible thimble device relates to chip mounter thimble technical field, and for solving current flexible thimble single structure, there is not inside buffer structure, when the circuit board received decurrent effort, current flexible thimble can not the biggest avoid the component to be hindered by the top problem. The inside of buffer tube is provided with the second piston board, an organic whole is connected with the bracing piece on the upper surface of second piston board, the upper end an organic whole of bracing piece is connected with the absorption dish, the up end of absorption dish is provided with the rubber end, the interior threaded connection of port has the connection end under the buffer tube, fixed mounting has miniature buffer on the up end of connection end, the buffering end fixedly connected with first piston board of miniature buffer, first piston board and miniature buffer all are located the inside of buffer tube.

Description

Novel printing prevents that component top from hindering flexible thimble device

Technical Field

The utility model relates to a chip mounter thimble technical field specifically is a novel flexible thimble device is hindered on printing top of preventing component.

Background

In the production process of circuit board, need pass through processing technology such as paster, printing, when carrying out the paster operation, need use the chip mounter to accomplish the laminating operation fast, to the circuit board of partial two-sided paster, when carrying out the paster to the second face, need use the thimble to the bearing another side, in order to avoid electronic component on the circuit board to receive by the top to hinder, the thimble often adopts flexible thimble.

The existing flexible thimble has a single structure and no internal buffer structure, and when a circuit board is subjected to downward acting force, the existing flexible thimble cannot prevent elements from being damaged by jacking to the maximum extent; therefore, the market urgently needs to develop a novel printing flexible thimble device for preventing the element from damaging the top so as to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel printing prevents that component top from hindering flexible thimble device to current flexible thimble single structure in solving above-mentioned background art does not have inside buffer structure, and when the circuit board received decurrent effort, current flexible thimble can not the biggest problem of avoiding the component to be hindered by the top.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel printing prevents that component top from hindering flexible thimble device, includes the buffer tube, the inside of buffer tube is provided with second piston plate, an organic whole is connected with the bracing piece on the upper surface of second piston plate, the upper end an organic whole of bracing piece is connected with the absorption dish, the up end of absorption dish is provided with the rubber end, the interior threaded connection has the connection end under the buffer tube, fixed mounting has miniature buffer on the up end of connection end, the first piston plate of buffering end fixedly connected with of miniature buffer, first piston plate and miniature buffer all are located the inside of buffer tube.

Preferably, be provided with the mounting groove on the up end of adsorption disc, the one end of rubber end is provided with sucker structure, the rubber end adsorbs in the mounting groove of adsorption disc.

Preferably, a supporting tube seat is arranged outside the buffer tube, one end of the buffer tube is in threaded connection with the inside of the supporting tube seat, and the adsorption disc is located at the other end of the buffer tube.

Preferably, the external thread of the buffer tube is connected with a locking nut, and the locking nut is abutted against the upper end face of the supporting tube seat.

Preferably, one end of the supporting tube seat is in threaded connection with an adsorption permanent magnet steel, a conducting strip is arranged at the bottom of the adsorption permanent magnet steel, and the conducting strip is electrically connected with the adsorption disc.

Preferably, the upper end surface of the buffer tube is integrally connected with two limiting pieces.

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

1. the utility model discloses a through set up the second piston board in the inside of buffer tube, an organic whole is connected with the bracing piece on the upper surface of second piston board, the upper end an organic whole of bracing piece is connected with the absorption dish, the up end of absorption dish is provided with the rubber end, threaded connection has the connection end in the buffer tube lower port, fixed mounting has miniature buffer on the up end of connection end, the buffering end of miniature buffer is connected with first piston board, first piston board and miniature buffer all are located the inside of buffer tube, this can utilize the rubber end to touch external circuit board, when the circuit board produced down force to the thimble, under the linkage of absorption dish and bracing piece, the second piston board moved down in the inside of buffer tube, the air in buffer tube was compressed this moment, and then pressed down to the circuit board and played the effect of preliminary buffering, along with the continuous pushing down of circuit board, first piston board moved down in the inside buffer tube, at the moment, the miniature buffer is compressed, a second buffer effect can be achieved on the circuit board, the rubber end is in flexible contact with the circuit board in the whole buffer operation process, and electronic elements on the circuit board can be prevented from being damaged to the greatest extent.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. adsorbing permanent magnet steel; 2. supporting the tube seat; 3. connecting the end heads; 4. a micro-buffer; 5. a first piston plate; 6. a buffer tube; 7. locking the nut; 8. a second piston plate; 9. a support bar; 10. an adsorption tray; 11. a rubber end; 12. a limiting sheet; 13. and (4) conducting strips.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a novel printing flexible thimble device for preventing elements from being damaged by jacking comprises a buffer tube 6, a second piston plate 8 is arranged inside the buffer tube 6, a support rod 9 is integrally connected onto the upper surface of the second piston plate 8, an adsorption disc 10 is integrally connected onto the upper end of the support rod 9, a rubber end 11 is arranged on the upper end surface of the adsorption disc 10, a connection end 3 is in threaded connection with the lower end of the buffer tube 6, a miniature buffer 4 is fixedly arranged on the upper end surface of the connection end 3, a first piston plate 5 is fixedly connected onto the buffer end of the miniature buffer 4, the first piston plate 5 and the miniature buffer 4 are both positioned inside the buffer tube 6, a mounting groove is arranged on the upper end surface of the adsorption disc 10, a suction disc structure is arranged at one end of the rubber end 11, the rubber end 11 is adsorbed into the mounting groove of the adsorption disc 10, two limit pieces 12 are integrally connected onto the upper end surface of the buffer tube 6, so that the rubber end 11 can be used for contacting an external circuit board, when the circuit board produced down force to the thimble, under the linkage of adsorption disc 10 and bracing piece 9, second piston plate 8 moved down in the inside of buffer tube 6, the inside air of buffer tube 6 was compressed this moment, and then played the effect of preliminary buffering to the pushing down of circuit board, along with the continuation of circuit board pushes down, first piston plate 5 moved down in buffer tube 6 is inside, miniature buffer 4 was compressed this moment, can play the second heavy cushioning effect to the circuit board, in whole buffering operation process, rubber end 11 all with circuit board flexible contact, electronic component on the avoidance circuit board of ability at utmost receives the damage.

Further, the outside of buffer tube 6 is provided with supports tube socket 2, and buffer tube 6 one end threaded connection is in the inside that supports tube socket 2, and adsorption disc 10 is located the other end of buffer tube 6, and the outside threaded connection of buffer tube 6 has lock nut 7, and lock nut 7 supports on the up end that supports tube socket 2.

Further, the one end threaded connection of support tube seat 2 has absorption permanent magnetism steel 1, and the bottom of adsorbing permanent magnetism steel 1 is provided with conducting strip 13, conducting strip 13 and absorption dish 10 electric connection, this lift make rubber end 11 and circuit board friction produce the quick conduction of static ability to external equipment in, the effectual antistatic performance that has improved.

The working principle is as follows: when the thimble is used, the length of the whole thimble is adjusted according to actual requirements, during adjustment, the buffer tube 6 is rotated, the position of the buffer tube 6 in the supporting tube seat 2 is changed, after the thimble is adjusted to a proper position, the lock nut 7 is screwed to limit and fix the buffer tube 6 and the supporting tube seat 2, then the thimble is installed at the appointed position through the adsorption permanent magnet steel 1, then the rubber end 11 is used for supporting the circuit board, when the circuit board is printed, the circuit board is pressed downwards, at the moment, the second piston plate 8 moves downwards in the buffer tube 6 under the linkage of the adsorption disc 10 and the support rod 9, at the moment, the air in the buffer tube 6 is compressed, further, the preliminary buffer effect is achieved on the pressing of the circuit board, the first piston plate 5 moves downwards in the buffer tube 6 along with the continuous pressing of the circuit board, at the moment, the miniature device 4 is compressed, and the buffer effect can be achieved on the circuit board secondarily, in the whole buffering operation process, the rubber end 11 is in flexible contact with the circuit board, so that the electronic elements on the circuit board can be prevented from being damaged to the greatest extent, and after printing is finished, the miniature buffer 4 is reset, and the phenomenon of jumping can be effectively avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A novel printing prevents that component top from hindering flexible thimble device, includes buffer tube (6), its characterized in that: the inside of buffer tube (6) is provided with second piston board (8), an organic whole is connected with bracing piece (9) on the upper surface of second piston board (8), the upper end an organic whole of bracing piece (9) is connected with adsorption disc (10), the up end of adsorption disc (10) is provided with rubber end (11), the interior threaded connection of port has connection end (3) under buffer tube (6), fixed mounting has miniature buffer (4) on the up end of connection end (3), the buffering end fixedly connected with first piston board (5) of miniature buffer (4), first piston board (5) and miniature buffer (4) all are located the inside of buffer tube (6).

2. A novel print protection element tip damage compliant ejector pin assembly as claimed in claim 1, wherein: be provided with the mounting groove on the up end of adsorption disc (10), the one end of rubber end (11) is provided with sucker structure, rubber end (11) adsorb in the mounting groove of adsorption disc (10).

3. A novel print protection element tip damage compliant ejector pin assembly as claimed in claim 2, wherein: the buffer tube is characterized in that a supporting tube seat (2) is arranged outside the buffer tube (6), one end of the buffer tube (6) is in threaded connection with the inside of the supporting tube seat (2), and the adsorption disc (10) is located at the other end of the buffer tube (6).

4. A novel print protection element tip damage compliant ejector pin assembly as claimed in claim 3, wherein: the external thread of the buffer tube (6) is connected with a locking nut (7), and the locking nut (7) is abutted against the upper end face of the supporting tube seat (2).

5. A novel print protection element tip damage compliant ejector pin assembly as claimed in claim 3, wherein: one end of the supporting tube seat (2) is in threaded connection with an adsorption permanent magnet steel (1), a conducting strip (13) is arranged at the bottom of the adsorption permanent magnet steel (1), and the conducting strip (13) is electrically connected with the adsorption disc (10).

6. A novel print protection element tip damage compliant ejector pin assembly as claimed in claim 1, wherein: the upper end face of the buffer tube (6) is integrally connected with two limiting pieces (12).