CN211070819U

CN211070819U - Chip resistor screening device

Info

Publication number: CN211070819U
Application number: CN201921990402.5U
Authority: CN
Inventors: 尚天嫄; 郑皓春; 王文; 颜荣; 唐建志
Original assignee: Southwest Petroleum University
Current assignee: Southwest Petroleum University
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-24
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a sheet resistance sieving mechanism, including screening case and feed mechanism, feed mechanism sets up in screening case one side, feed mechanism includes the installing support, first transfer wheel, second transfer wheel and material loading belt, first transfer wheel is installed in the installing support bottom, the second transfer wheel is installed on the installing support top, connect through the material loading belt between first transfer wheel and the second transfer wheel, still install the servo motor who is connected with first transfer wheel drive on the installing support, box and base are drawn together to the screening case and bag, the box top is equipped with into the hopper, and go into the hopper setting in second transfer wheel one side, multiunit screening subassembly is installed to the box inner chamber, the utility model discloses structural design is novel, and structural stability is good, can realize the material loading and the screening to the sheet resistance of multiple different specifications, has improved screening efficiency.

Description

Chip resistor screening device

Technical Field

The utility model relates to a piece formula resistance screening technical field specifically is a piece formula resistance screening device.

Background

The chip resistor is also called a surface mount resistor, and like other chip components (SMC and SMD), is a new generation of leadless or short-lead micro electronic component suitable for Surface Mount Technology (SMT). The welding surfaces of the leading-out ends are on the same plane.

Most of current chip resistors are selected manually by producers in the screening process, so that the labor capacity of the producers can be increased, the screening speed can be slow, the low working efficiency of chip resistor screening is caused, and therefore improvement is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sheet resistance sieving mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sheet resistance sieving mechanism, includes screening case and feed mechanism, feed mechanism sets up in screening case one side, feed mechanism includes installing support, first transfer gear, second transfer gear and material loading belt, first transfer gear is installed in the installing support bottom, the second transfer gear is installed on the installing support top, connect through the material loading belt between first transfer gear and the second transfer gear, still install the servo motor who is connected with first transfer gear drive on the installing support, the screening case and bag includes box and base, the box top is equipped with into the hopper, just go into the hopper setting in second transfer gear one side, the multiunit screening subassembly is installed to the box inner chamber.

Preferably, the multiple groups of screening assemblies comprise a first screening assembly, a second screening assembly and a third screening assembly, the first screening assembly comprises a first screen and a first recovery box, one end of the first screen is detachably mounted on the inner side wall of the box body, the first screen is obliquely arranged, and the first recovery box is mounted at the lower end of the first screen; the second screening assembly comprises a second screen and a second recovery box, the second screen is arranged below the first screen, one end of the second screen is detachably mounted on the inner side wall of the box body, the second screen is obliquely arranged, and the second recovery box is mounted at the lower end of the second screen; the third screening subassembly includes third screen cloth and third collection box, the third screen cloth sets up in the second screen cloth below, third screen cloth one end demountable installation is at the box inside wall, the slope of third screen cloth sets up, the third collection box is installed at third screen cloth lower extreme, the mesh diameter of first screen cloth, second screen cloth, third screen cloth is inconsistent, just crisscross setting from top to bottom of first screen cloth, second screen cloth, third screen cloth.

Preferably, the base comprises a bottom supporting seat, a damping rubber layer, a spring shock absorption layer, a top supporting seat and a U-shaped reinforcing member, the bottom supporting seat and the top supporting seat are provided with a plurality of corresponding threaded holes, two arms of the U-shaped reinforcing member are provided with through holes for bolts to pass through, and the bottom supporting seat, the damping rubber layer, the spring shock absorption layer and the top supporting seat are fixedly and integrally installed through the U-shaped reinforcing member.

Preferably, the bottom of each of the first screen, the second screen and the third screen is provided with a vibrator.

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

(1) the utility model discloses structural design is novel, and structural stability is good, can realize the material loading and the screening to the chip resistor of multiple different specifications, has improved screening efficiency.

(2) The utility model discloses in, screen cloth among the screen cloth subassembly is from last down crisscross setting, and the screen cloth slope sets up, and resistance is at the in-process that vibrates the gliding, and the resistance of corresponding size drops to the collection box of below in automatically.

(3) The utility model discloses a base damping performance is good, can improve the stability of screening.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the base structure of the present invention.

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. 1-2, the present invention provides a technical solution: the utility model provides a sheet resistance sieving mechanism, includes screening case and feed mechanism, feed mechanism sets up in screening case one side, feed mechanism includes installing support 1, first transfer gear 2, second transfer gear 3 and material loading belt 4, first transfer gear 2 is installed in installing support 1 bottom, second transfer gear 3 is installed on 1 top of installing support, connect through material loading belt 4 between first transfer gear 2 and the second transfer gear 3, still install the servo motor 5 who is connected with the drive of first transfer gear 2 on the installing support 1, the screening case includes box 6 and

base

7, 6 tops of box are equipped with into hopper 8, just go into hopper 8 and set up in second transfer gear 3 one side, the multiunit screening subassembly is installed to 6 inner chambers of box.

In the utility model, the multiple groups of screening components comprise a first screening component, a second screening component and a third screening component, the first screening component comprises a first screen 9 and a first recycling box 10, one end of the first screen 9 is detachably arranged on the inner side wall of the box body 6, the first screen 9 is obliquely arranged, and the first recycling box 10 is arranged at the lower end of the first screen 9; the second screening assembly comprises a second screen 11 and a second recovery box 12, the second screen 11 is arranged below the first screen 9, one end of the second screen 11 is detachably arranged on the inner side wall of the box body 6, the second screen 11 is obliquely arranged, and the second recovery box 12 is arranged at the lower end of the second screen 11; the third screening subassembly includes third screen cloth 13 and third collection box 14, third screen cloth 13 sets up in second screen cloth 11 below, 13 one end demountable installation of third screen cloth is at 6 inside walls of box, the slope of third screen cloth 13 sets up, third collection box 14 installs at 13 lower extremes of third screen cloth, the mesh diameter of first screen cloth 9, second screen cloth 11, third screen cloth 13 is inconsistent, just crisscross setting from top to bottom of first screen cloth 9, second screen cloth 11, third screen cloth 13. The bottom of the first screen 9, the second screen 11 and the third screen 13 are all provided with a vibrator 22. The utility model discloses in, screen cloth among the screen cloth subassembly is from last down crisscross setting, and the screen cloth slope sets up, and resistance is at the in-process that vibrates the gliding, and the resistance of corresponding size drops to the collection box of below in automatically.

Furthermore, the utility model discloses in, base 7 includes bottom bearing 15, damping rubber layer 16, spring shock absorption layer 17, top bearing 18, U type reinforcement 19, bottom bearing 15 and top bearing 18 are equipped with a plurality of corresponding screw holes 20, two arms of U type reinforcement 19 are equipped with the through-hole 21 that supplies the bolt to pass, bottom bearing 15, damping rubber layer 16, spring shock absorption layer 17 and top bearing 18 pass through U type reinforcement 19 fixed mounting and become integrative. The utility model discloses a base damping performance is good, can improve the stability of screening.

The working principle is as follows: placing the chip resistor of multiple specification on the material loading belt, opening servo motor, servo motor drives the material loading belt and removes, and the chip resistor drops to first screen cloth surface from the feeder hopper, opens the vibrator, and chip resistor gliding in-process, with first screen cloth mesh size assorted chip resistor drop to the collection box of below in, remaining chip resistor drops to on the second screen cloth, and repetitive operation carries out the screening operation to chip resistor.

To sum up, the utility model discloses structural design is novel, and structural stability is good, can realize the material loading and the screening to the chip resistor of multiple different specifications, has improved screening efficiency.

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 sheet resistance sieving mechanism, includes screening case and feed mechanism, its characterized in that: feed mechanism sets up in screening case one side, feed mechanism includes installing support (1), first transfer gear (2), second transfer gear (3) and feeding belt (4), install in installing support (1) bottom first transfer gear (2), install on installing support (1) top second transfer gear (3), connect through feeding belt (4) between first transfer gear (2) and second transfer gear (3), still install servo motor (5) of being connected with first transfer gear (2) drive on installing support (1), the screening case includes box (6) and base (7), box (6) top is equipped with into hopper (8), just go into hopper (8) and set up in second transfer gear (3) one side, the multiunit screening subassembly is installed to box (6) inner chamber.

2. The sheet resistance screening device according to claim 1, wherein: the multi-group screening assemblies comprise a first screening assembly, a second screening assembly and a third screening assembly, the first screening assembly comprises a first screen (9) and a first recovery box (10), one end of the first screen (9) is detachably mounted on the inner side wall of the box body (6), the first screen (9) is obliquely arranged, and the first recovery box (10) is mounted at the lower end of the first screen (9); the second screening assembly comprises a second screen (11) and a second recovery box (12), the second screen (11) is arranged below the first screen (9), one end of the second screen (11) is detachably mounted on the inner side wall of the box body (6), the second screen (11) is obliquely arranged, and the second recovery box (12) is mounted at the lower end of the second screen (11); the third screening subassembly includes third screen cloth (13) and third collection box (14), third screen cloth (13) set up in second screen cloth (11) below, third screen cloth (13) one end demountable installation is in box (6) inside wall, third screen cloth (13) slope sets up, third collection box (14) are installed at third screen cloth (13) lower extreme, the mesh diameter of first screen cloth (9), second screen cloth (11), third screen cloth (13) is inconsistent, just crisscross setting from top to bottom of first screen cloth (9), second screen cloth (11), third screen cloth (13).

3. The sheet resistance screening device according to claim 1, wherein: the base (7) comprises a bottom supporting seat (15), a damping rubber layer (16), a spring shock absorption layer (17), a top supporting seat (18) and a U-shaped reinforcing member (19), wherein the bottom supporting seat (15) and the top supporting seat (18) are provided with a plurality of corresponding threaded holes (20), two arms of the U-shaped reinforcing member (19) are provided with through holes (21) for bolts to pass through, and the bottom supporting seat (15), the damping rubber layer (16), the spring shock absorption layer (17) and the top supporting seat (18) are fixedly installed into a whole through the U-shaped reinforcing member (19).

4. The sheet resistance screening device according to claim 2, wherein: and the bottom parts of the first screen (9), the second screen (11) and the third screen (13) are all provided with a vibrator (22).