CN217747956U

CN217747956U - Screw material screening mechanism

Info

Publication number: CN217747956U
Application number: CN202222087106.2U
Authority: CN
Inventors: 庄英树; 王志华
Original assignee: Chia Sing Fasteners Industrial Suzhou Co ltd
Current assignee: Chia Sing Fasteners Industrial Suzhou Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-08
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a screw material sieving mechanism, which comprises a frame, a first material sieving roller, a second material sieving roller and a driving mechanism, wherein the first material sieving roller and the second material sieving roller are arranged on the frame in parallel and in an inclined way, the first material sieving roller comprises a first roller body, and two ends of the first roller body are extended and provided with a first connecting shaft; the second screening roller comprises a second roller body, a second connecting shaft extends from two ends of the second roller body, and a material guide part is spirally arranged on the side wall of the second roller body; the driving mechanism drives the second screening roller to rotate. The utility model has simple structure and convenient use, and can prevent the screw from missing inspection by arranging the spiral material guiding part on one shaft and guiding the screw from the low end to the high end; even if more screws are arranged in the screw detection mechanism, the screws are accumulated at the lower end of the screening mechanism; first sieve material roller and second sieve material roller pass through belt drive, utilize its toughness, and with adjusting bolt cooperation, realize the horizontal adjustment of movable block to adapt to not unidimensional screw.

Description

Screw screening mechanism

Technical Field

The utility model relates to a screw production field, in particular to screw sieve material mechanism.

Background

The screw includes screw rod part and nut part, after production, need screen the screw size, but if adopt artifical branch material, can greatly increased inspection cost, and detection efficiency is poor.

Chinese patent CN216631625U discloses a double-shaft automatic sorting machine, which realizes sorting of screws by adjusting the distance between the double shafts, but has some defects, specifically, the double shafts are all optical axes, and the screws move from high end to low end, so that more screws cannot be detected at one time; because the double shafts incline downwards, screws can move downwards along the double shafts, and excessive screws can cause missing detection.

SUMMERY OF THE UTILITY MODEL

Aiming at overcoming the defects in the prior art, the utility model discloses a screw material sieving mechanism, which comprises a frame, a first material sieving roller, a second material sieving roller and a driving mechanism, wherein the first material sieving roller and the second material sieving roller are arranged on the frame in parallel and in an inclined manner, the first material sieving roller comprises a first roller body, and two ends of the first roller body are extended to form a first connecting shaft; the second screening roller comprises a second roller body, two ends of the second roller body extend to form a second connecting shaft, and the side wall of the second roller body is spirally provided with a material guide part; the driving mechanism drives the second screening roller to rotate.

Further, the first screening roller and the second screening roller are connected through a belt.

Furthermore, a first groove and a second groove are respectively formed in the first connecting shaft and the second connecting shaft in an annular mode, and the belt is connected with the first groove and the second groove.

Furthermore, the first screening roller and the second screening roller are arranged on the rack through an adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the first screening roller and the second screening roller.

Further, adjustment mechanism includes fixed block, movable block, support and adjusting bolt, the support sets up on the fixed block, the movable block horizontal slip sets up on the support, the fixed block with set up first installation position and second installation position on the sliding block respectively, and first installation position with second installation position is on same straight line, set up the unthreaded hole on the support, set up first screw on the movable block, adjusting bolt passes the unthreaded hole with first screw is connected.

Further, adjustment mechanism still includes the puller bolt, set up on the support with puller bolt complex second screw.

Furthermore, a material guide plate is arranged on the rack, is obliquely arranged on the rack and converges between the first screening roller and the second screening roller.

Furthermore, still set up the branch flitch in the frame, the branch flitch is located first sieve material roller with the second sieve material roller below, the branch flitch is "V" structure to the corner of branch flitch is close to the higher one end of first sieve material roller.

Further, the driving mechanism comprises a motor, and the motor is meshed with the second screening roller through a gear.

The utility model discloses the beneficial effect who gains:

the utility model has simple structure and convenient use, and can prevent the screw from missing inspection by arranging the spiral material guiding part on one shaft and guiding the screw from the low end to the high end; even if more screws are arranged in the screw detection mechanism, the screws are accumulated at the lower end of the screening mechanism; first sieve material roller and second sieve material roller pass through belt drive, utilize its toughness, and with adjusting bolt cooperation, realize the level (l) ing of movable block, and then adjust the interval between first sieve material roller and the second sieve material roller to adapt to not unidimensional screw.

Drawings

Fig. 1 is a schematic perspective view of a screw sieving mechanism of the present invention;

FIG. 2 is a schematic perspective view of FIG. 1 from another perspective;

fig. 3 is a schematic view of an internal structure of a screw sieving mechanism of the present invention;

FIG. 4 is a schematic view of the first and second sifting rollers and the adjusting mechanism;

FIG. 5 is a schematic perspective view of an adjustment mechanism;

FIG. 6 is a schematic view of the first and second sifting rollers cooperating with the belt;

the reference numbers are as follows:

1. the device comprises a rack, 2, a first screening roller, 3, a second screening roller, 4, a driving mechanism, 5, a belt, 6, an adjusting mechanism, 7, a material guide plate, 8, a material distribution plate, 21, a first roller body, 22, a first connecting shaft, 31, a second roller body, 32, a second connecting shaft, 33, a material guide part, 41, a motor, 42, a gear, 61, a fixing block, 62, a movable block, 63, a support, 64, an adjusting bolt, 65, a puller bolt, 221, a first groove, 321, a second groove, 611, a first mounting position, 621 and a second mounting position.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A screw material sieving mechanism is shown in figures 1-5 and comprises a rack 1, a first material sieving roller 2, a second material sieving roller 3 and a driving mechanism 4, wherein the first material sieving roller 2 and the second material sieving roller 3 are arranged on the rack 1 in parallel and in an inclined manner, the first material sieving roller 2 comprises a first roller body 21, and two ends of the first roller body 21 are provided with a first connecting shaft 22 in an extending manner; the second screening roller 3 comprises a second roller body 31, two ends of the second roller body 31 extend to form a second connecting shaft 32, and a material guide part 33 is spirally arranged on the side wall of the second roller body 31; the driving mechanism 4 drives the second screening roller 3 to rotate. When the device is used, the screws are placed between the first screening roller 2 and the second screening roller 3 and located at the lower end of the first screening roller 2, the screws are made to move towards the higher end along the material guide portion 33 through rotation of the second screening roller 3, if the sizes of the screw caps of the screws are small, the screws can fall down from the gap between the first screening roller 2 and the third screening roller 3, and if the screws reach the size, the screws can move towards the high end from the low end along the second screening roller 2 and leave from the high end of the second screening roller 3.

In one embodiment, as shown in fig. 1-5, the first screen roll 2 and the second screen roll 3 are connected by a belt 5. Specifically, the first connecting shaft 22 and the second connecting shaft 32 are respectively provided with a first groove 221 and a second groove 321 in an encircling manner, and the belt 5 is connected with the first groove 221 and the second groove 321. The belt is positioned through the first groove 221 and the second groove 321 to ensure that the belt does not deviate in position during action; through the belt setting, first sieve material roller 2 is synchronous and the syntropy rotates with second sieve material roller 3. The screw is located between first sieve material roller 2 and the second sieve material roller 3, when second sieve material roller 3 clockwise turning, can produce the drive power that descends to the screw, and if first sieve material roller 2 does not rotate, in the actual sieve material, the condition of card material can appear. And if with the rotation direction of first sieve material roller 2 opposite with the rotation direction of second sieve material roller 3, then the both sides of screw all have decurrent drive power, the condition of card material appears more easily. Through with first sieve material roller 2 and second sieve material roller 3 syntropy rotation, provide ascending drive power for the screw through first sieve material roller 2, consequently, can promote the screw at the motion between first sieve material roller 2 and second sieve material roller 3, avoid the card material.

In one embodiment, as shown in fig. 1 to 5, the first material sieving roller 2 and the second material sieving roller 3 are arranged on the frame 1 through an adjusting mechanism 6, and the distance between the first material sieving roller 2 and the second material sieving roller 3 is adjusted by the adjusting mechanism 6. Specifically, the adjusting mechanism 6 comprises a fixed block 61, a movable block 62, a bracket 63 and an adjusting bolt 64, wherein the bracket 63 is arranged on the fixed block 61, the movable block 62 is horizontally arranged on the bracket 63 in a sliding manner, the fixed block 61 and the sliding block 62 are respectively provided with a first installation position 611 and a second installation position 621, and the first installation position 611 and the second installation position 621 are on the same straight line; the first connecting shaft 22 of the first screening roller 2 is connected with the second mounting position 621 through a bearing, and the second connecting shaft 32 of the second screening roller 3 is connected with the second mounting position 611 through a bearing. Set up the unthreaded hole on the support 63, set up first screw on the movable block 62, adjusting bolt 64 passes the unthreaded hole and is connected with first screw, moves to the direction of keeping away from fixed block 61 through rotatory adjusting bolt 64 drive movable block 62, and then increases the distance between first sieve material roller 2 and the second sieve material roller 3. Further, when the adjusting bolt 64 is rotated in the reverse direction in accordance with the flexibility of the belt 5, the belt 5 pulls the movable block 62 to move toward the fixed block 61.

Preferably, as shown in fig. 1 to 5, in order to prevent the first material sieving roller 2 from moving when the screw material sieving mechanism is in use, the adjusting mechanism 6 further comprises a puller bolt 65, and the bracket 63 is provided with a second screw hole matched with the puller bolt 65. The movable block 62 is restricted from moving away from the fixed block 61 by the tightening bolt 65.

In one embodiment, as shown in fig. 1 to 5, two material guiding plates 7 are disposed on the frame 1, and the two material guiding plates 7 are obliquely disposed on the frame 1 and converge toward the space between the first material sieving roller 2 and the second material sieving roller 3 to ensure that the screws fall into the space between the first material sieving roller 2 and the second material sieving roller 3.

In one embodiment, as shown in fig. 1 to 5, a material separating plate 8 is further disposed on the frame 1, the material separating plate 8 is located below the first screening roller 2 and the second screening roller 3, the material separating plate 8 is in an inverted "V" structure, and a corner of the material separating plate 8 is close to a higher end of the first screening roller 2. Unqualified screws fall into the material separating plate 8 and are positioned at the lower end of the first screening roller 2, and move towards the lower end along the inclined surface. Qualified screws move to the high end of the first screening roller 2, fall onto the inclined plane on the other side of the material distribution plate 8 and fall and converge along the material distribution plate 8.

In one embodiment, as shown in fig. 1-5, the drive mechanism 4 includes a motor 41, and the motor 41 is engaged with the second sizing roll 3 through a gear 42. The motor 41 is fixed to the frame 1.

The utility model discloses when using, as shown in fig. 1-5, preorder equipment falls the screw on stock guide 7, the screw falls into between first sieve material roller 2 and the second sieve material roller 3 along stock guide 7, second sieve material roller 3 rotates through actuating mechanism 4 to drive the screw and remove from the low side to the high-end, unqualified screw falls down from the clearance between first sieve material roller 2 and the second sieve material roller 3, qualified screw removes and falls down to the high-end of first sieve material roller 2, and divide the material to qualified and unqualified screw through minute flitch 8. When the size of the screw to be detected changes, the puller bolt 65 is firstly screwed, then the adjusting bolt 64 is rotated, the position of the movable block 62 is horizontally adjusted, and after the adjustment, the movable block 62 is locked through the puller bolt 65.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims

1. The screw material screening mechanism is characterized by comprising a rack, a first material screening roller, a second material screening roller and a driving mechanism, wherein the first material screening roller and the second material screening roller are arranged on the rack in parallel and obliquely, the first material screening roller comprises a first roller body, and two ends of the first roller body are provided with a first connecting shaft in an extending mode; the second screening roller comprises a second roller body, two ends of the second roller body extend to form a second connecting shaft, and the side wall of the second roller body is spirally provided with a material guide part; the driving mechanism drives the second screening roller to rotate.

2. The screw screening mechanism of claim 1, wherein said first screening roller and said second screening roller are connected by a belt.

3. The screw screening mechanism of claim 2, wherein the first connecting shaft and the second connecting shaft are respectively provided with a first groove and a second groove in an annular manner, and the belt is connected with the first groove and the second groove.

4. The screw screening mechanism of claim 1, wherein the first screening roller and the second screening roller are disposed on the frame through an adjusting mechanism, and the adjusting mechanism is used to adjust a distance between the first screening roller and the second screening roller.

5. The screw screening mechanism of claim 4, wherein the adjusting mechanism comprises a fixed block, a movable block, a bracket and an adjusting bolt, the bracket is arranged on the fixed block, the movable block is horizontally slidably arranged on the bracket, the fixed block and the movable block are respectively provided with a first mounting position and a second mounting position, the first mounting position and the second mounting position are on the same straight line, the bracket is provided with a light hole, the movable block is provided with a first screw hole, and the adjusting bolt passes through the light hole and is connected with the first screw hole.

6. The screw screening mechanism of claim 5, wherein the adjusting mechanism further comprises a tightening bolt, and the bracket is provided with a second screw hole engaged with the tightening bolt.

7. The screw screening mechanism of claim 1, wherein a guide plate is disposed on the frame, and the guide plate is obliquely disposed on the frame and converges between the first screening roller and the second screening roller.

8. The screw screening mechanism of claim 1, wherein a material distributing plate is further disposed on the frame, the material distributing plate is located below the first screening roller and the second screening roller, the material distributing plate is of an inverted "V" structure, and a corner of the material distributing plate is close to a higher end of the first screening roller.

9. The screw screening mechanism of claim 1, wherein said drive mechanism includes a motor, said motor engaging said second screening roller through a gear.