CN216104521U - Feeding device for countersunk screws - Google Patents

Abstract

A feeding device of countersunk head screws comprises a device bottom plate, a screw vibration feeder, a screw arrangement track, a cutting mechanism, a blowing mechanism and an electromagnetic air valve, wherein the screw vibration feeder is arranged on the device bottom plate, the screw arrangement track is arranged in front of the screw vibration feeder, the output position of the screw vibration feeder is connected with the screw arrangement track, the cutting mechanism is arranged on the screw arrangement track, the blowing mechanism is arranged in front of the screw arrangement track and connected with the screw valve, the electromagnetic air valve is also arranged in front of the device bottom plate, the cutting needle is inserted into a needle hole and puts down one screw by reciprocating left and right by arranging the cutting mechanism, so that the screws are not accumulated on the screw track any more, only one screw falls down at a time to prevent the occurrence of material clamping, two cylinders are not needed to be linked by arranging a guide groove and a bearing, only one positioning cylinder is needed to drive a positioning block to slide, under the action of the guide groove and the bearing, the screw clamping block automatically retracts and extends, and the manufacturing cost is reduced.

Description

Feeding device for countersunk screws

Technical Field

The utility model relates to the technical field of feeding devices, in particular to a feeding device for countersunk screws.

Background

The screw feeder is an automatic feeding device which can arrange screws into a row and feed the screws into a preset position one by one, the existing screw feeder generally adopts air blowing type feeding, the screws are firstly arranged in a certain sequence through devices such as a vibrating disc, and the screws are moved through a screw blowing mechanism and blown out through an air blowing pipe to feed materials in the feeding pipe in sequence;

when the screws are arranged by a vibration disc and then conveyed to a screw blowing mechanism, a plurality of screws are arranged in parallel for feeding and need to be driven by a power device, so that a plurality of screws are accumulated together and enter the screw blowing mechanism, and the situation of screw clamping occurs, a screw displacement device is arranged in the existing screw blowing mechanism and has the functions of receiving the screws arranged from a track and translating the screws to an air blow pipe, the existing screw displacement device needs two cylinders to operate simultaneously, one cylinder drives the track to be switched, the other cylinder drives a nut frame to move to clamp or release the screws, the concrete work is that the nut clamp firstly drags the screws coming out from the track, then the cylinder drives the track to move to the air blow pipe, then the other cylinder drives the nut frame to withdraw to release the screws, and the air blow pipe operates to blow out the screws, then the cylinder redrives the track and moves to initial position, and another cylinder drive nut frame stretches out again, and this kind of structure needs two cylinders to cooperate the operation jointly just can accomplish the removal of screw and put down work, and is comparatively costly and the structure is complicated.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the technical defects that in the prior art, a plurality of screws are clamped due to the fact that the screws are fed together, and a screw displacement device needs to be provided with two air cylinders, so that the cost is high, and the structure is relatively complex.

In order to achieve the purpose, the utility model provides a feeding device for countersunk head screws, which is characterized by comprising a device bottom plate, a screw vibration feeder, a screw arrangement track, a cutting mechanism, a blow-off mechanism and an electromagnetic air valve, wherein the screw vibration feeder is arranged on the device bottom plate, the screw arrangement track is arranged in front of the screw vibration feeder, the output position of the screw vibration feeder is connected with the screw arrangement track, the cutting mechanism is arranged on the screw arrangement track, the blow-off mechanism is arranged in front of the screw arrangement track and connected with the screw arrangement track, and the electromagnetic air valve is also arranged in front of the right of the device bottom plate;

the screw arrangement track is composed of a track support and a screw track, the screw track is installed above the track support, the top end of the screw track is provided with a screw inlet, and the bottom end of the screw track is provided with a screw outlet;

the cutting mechanism consists of a cutting cylinder, a cutting cylinder support and a cutting block, the cutting cylinder is fixed on the outer side of the rail support through the cutting cylinder support, the cutting block is slidably mounted on the rail support, and a piston rod of the cutting cylinder is fixedly connected with one side of the cutting block;

the blowing mechanism comprises a blowing mechanism support, a bottom block, a cover plate, a positioning block, a positioning cylinder, an air inlet and an air outlet, wherein the bottom block is arranged above the blowing mechanism support, the cover plate is arranged above the blowing mechanism support, a gap is arranged between the bottom block and the cover plate, the positioning block is slidably arranged in the gap, the positioning cylinder is arranged on the right side of the bottom block, a piston rod of the positioning cylinder is fixedly connected with the positioning block, a notch groove is formed in the rear end of the cover plate, the air inlet is formed in the top end of the cover plate, the air outlet corresponding to the air inlet is formed in the bottom of the bottom block, a sliding groove is formed in the positioning block from front to back, a screw clamping block is slidably arranged in the sliding groove, a nut bracket is arranged on the left side of the screw clamping block, and the nut bracket is of a U-shaped bracket structure;

the screw pushing mechanism is composed of a pushing cylinder and a pushing block, the pushing cylinder is fixed on the rail support, a pushing rod is installed on the front side of the pushing block, the pushing rod extends into a screw outlet of the screw rail and is in sliding connection with the screw rail, the number of the pushing rods is consistent with that of the screw rail, and a piston rod of the pushing cylinder is fixedly connected with the pushing block;

the air inlet is positioned right side of the notch groove, and the centers of the air inlet and the air outlet are positioned on the same vertical line;

the screw clamping block is fixedly provided with a shaft, the shaft is rotatably connected with a bearing, and the bearing is slidably arranged in the guide groove;

the screw track is an obliquely arranged U-shaped track, the number of the screw tracks is two, the number of the cutting blocks is two and corresponds to that of the screw track, and the two cutting blocks are fixedly connected through a connecting block;

a nut blocking piece is further arranged above the screw track and is arranged along the advancing direction of the screw track;

the cutting block comprises the flat board that is located the bottom and the riser that is located the left and right sides, the left and right sides the riser is located the orbital left and right sides of screw respectively, be equipped with the blank needle on the medial surface of left side riser and right side riser respectively, two the crisscross arrangement of blank needle, the length of blank needle is half of interval between the left and right sides riser, set up the pinhole that corresponds with the blank needle on the screw track.

The utility model has the beneficial effects that:

according to the utility model, the cutting mechanism is arranged, screws slide downwards along the inclined screw track after being arranged from the screw vibration feeder and are stacked at the cutting mechanism, the cutting block of the cutting mechanism reciprocates left and right under the action of the cutting cylinder, and the cutting needle reciprocates left and right under the action of the cutting block;

the blowing-out mechanism of the utility model drives the positioning block to move leftwards and rightwards through the guide groove, and simultaneously, the screw clamping block moves rightwards and the bearing moves rightwards and abuts against the chute of the guide groove and moves backwards when sliding rightwards due to the arrangement of the guide groove, so that the screw clamping block simultaneously slides backwards in the chute to withdraw the nut bracket so that the screw is in a free state to be blown out, when the positioning block slides leftwards and resets, the bearing moves and abuts against the chute of the guide groove and moves forwards when the screw clamping block slides leftwards, so that the screw clamping block moves forwards in the chute and the nut bracket stretches out again, the structure does not need the linkage effect of two cylinders through the arrangement of the guide groove and the bearing, only one positioning cylinder is needed to drive the positioning block to slide, under the action of the guide groove and the bearing, the screw clamping block automatically retracts and extends, and the structural complexity and the manufacturing cost are reduced.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a view showing a structure of a screw arrangement track according to the present invention;

FIG. 3 is a structural view of a blow-off mechanism of the present invention;

FIG. 4 is a top view of the blow-out mechanism and screw drive-in mechanism of the present invention;

FIG. 5 is a cross-sectional view of a top view of the blow-off mechanism and screw drive-in mechanism of the present invention;

fig. 6 is a structural view of the dicer block of the present invention.

As shown in the figure: 1. a device chassis; 2. vibrating the feeder by the screw; 3. a screw arrangement track; 4. a material cutting mechanism; 5. a blow-out mechanism; 6. an electromagnetic gas valve; 7. a rail bracket; 8. a screw track; 9. a material cutting cylinder; 10. a material cutting cylinder bracket; 11. cutting a material block; 12. a blow-off mechanism support; 13. a bottom block; 14. a cover plate; 15. positioning blocks; 16. positioning the air cylinder; 17. an air inlet; 18. an air outlet; 19. a notch groove; 20. a screw clamping block; 21. a nut bracket; 22. pushing into a cylinder; 23. a push block; 24. a push rod; 25. a guide groove; 26. a shaft; 27. a bearing; 28. a nut catch; 29. a flat plate; 30. a vertical plate; 31. and (7) a material cutting needle.

Detailed Description

Example 1

The utility model provides a feeding device of countersunk head screws, which is characterized by comprising a device bottom plate 1, a screw vibration feeder 2, a screw arrangement track 3, a blanking mechanism 4, a blowout mechanism 5 and an electromagnetic air valve 6, wherein the screw vibration feeder 2 is arranged on the device bottom plate 1, the screw arrangement track 3 is arranged in front of the screw vibration feeder 2, the output position of the screw vibration feeder 2 is connected with the screw arrangement track 3, the blanking mechanism 4 is arranged on the screw arrangement track 3, the blowout mechanism 5 is arranged and connected in front of the screw arrangement track 3, and the electromagnetic air valve 6 is also arranged in front of the right side of the device bottom plate 1;

the screw arrangement track 3 consists of a track support 7 and a screw track 8, the screw track 8 is arranged above the track support 7, the top end of the screw track 8 is provided with a screw inlet, and the bottom end of the screw track 8 is provided with a screw outlet;

the material cutting mechanism 4 consists of a material cutting cylinder 9, a material cutting cylinder support 10 and a material cutting block 11, the material cutting cylinder 9 is fixed on the outer side of the track support 7 through the material cutting cylinder support 10, the material cutting block 11 is slidably mounted on the track support 7, and a piston rod of the material cutting cylinder 9 is fixedly connected with one side of the material cutting block 11;

the blowing mechanism 5 comprises a blowing mechanism support 12, a bottom block 13, a cover plate 14, a positioning block 15, a positioning cylinder 16, an air inlet 17 and an air outlet 18, wherein the bottom block 13 is installed above the blowing mechanism support 12, the cover plate 14 is installed above the bottom block, a gap is formed between the bottom block 13 and the cover plate 14, the positioning block 15 is installed in the gap in a sliding mode, the positioning cylinder 16 is installed on the right side of the bottom block 13, a piston rod of the positioning cylinder 16 is fixedly connected with the positioning block 15, a notch groove 19 is formed in the rear end of the cover plate 14, the top end of the cover plate 14 is provided with the air inlet 17, the bottom of the bottom block 13 is provided with the air outlet 18 corresponding to the air inlet 17, a sliding groove is formed in the positioning block 15 from front to back, a screw clamping block 20 is installed in the sliding mode, a nut bracket 21 is arranged on the left side of the screw clamping block 20, and the nut bracket 21 is of a U-shaped bracket structure;

the bottom of the track support 7 is also provided with a screw pushing mechanism, the screw pushing mechanism consists of a pushing cylinder 22 and a pushing block 23, the pushing cylinder 22 is fixed on the track support 7, the front side of the pushing block 23 is provided with a pushing rod 24, the pushing rod 24 extends into a screw outlet of the screw track 8 and is in sliding connection with the screw track 8, the number of the pushing rods 24 is consistent with that of the screw tracks 8, and a piston rod of the pushing cylinder 22 is fixedly connected with the pushing block 23;

the air inlet 17 is positioned right at the right side of the notch groove 19, and the centers of the air inlet 17 and the air outlet 18 are positioned on the same vertical line;

the cover plate 14 is further provided with a guide groove 25, the guide groove 25 is a through groove, the guide groove 25 is composed of two straight grooves and a chute, the two straight grooves are respectively positioned at two ends of the chute, a shaft 26 is fixed on the screw clamping block 20, a bearing 27 is rotatably connected on the shaft 26, and the bearing 27 is slidably mounted in the guide groove 25;

the screw rails 8 are obliquely arranged U-shaped rails, the number of the screw rails 8 is two, the number of the cutting blocks 11 is two and corresponds to that of the screw rails 8, and the two cutting blocks 11 are fixedly connected through connecting blocks;

a nut blocking piece 28 is further arranged above the screw track 8, and the nut blocking piece 28 is arranged along the advancing direction of the screw track 8;

the blanking piece 11 comprises the flat plate 29 that is located the bottom and the riser 30 that is located the left and right sides, and the left and right sides riser 30 is located the left and right sides of screw track 8 respectively, is equipped with blanking needle 31 on the medial surface of left side riser 30 and right side riser 30 respectively, and two blanking needles 31 are crisscross to be arranged, and blanking needle 31's length is half of interval between the left and right sides riser 30, has seted up the pinhole that corresponds with blanking needle 31 on the screw track 8.

Example 2

When the utility model is used, the screws are arranged outside the screw vibration feeder 2, the air outlet 18 is connected with a feed delivery pipe, the output end of the electromagnetic air valve 6 is connected with an air source, the output end of the electromagnetic air valve is connected with the air inlet 17 of the blowout mechanism 5, the material cutting cylinder 9, the positioning cylinder 16 and the pushing cylinder 22 are connected with an external air source, then the screw vibration feeder 2 is opened, the screws are sequentially arranged by the screw vibration feeder 2 and output to the screw rail 8 of the screw arrangement rail 3 from the screw inlet, the screws slide downwards along the inclined screw arrangement rail 3, when the material cutting mechanism 4 is reached, the material cutting cylinder 9 drives the material cutting block 11 to reciprocate rightwards and leftwards to cut the materials, and the single screw is put down from the screw rail 8, the concrete operation is that the screws are blocked by the material cutting needle 31 at the upper part of the material cutting mechanism 4, the material cutting cylinder 9 drives the material cutting block 11 to move rightwards, the blanking block 11 drives the blanking needles 31 to move rightwards at the same time, and because the blanking needles 31 are arranged in a staggered manner and have the length equal to the distance between the vertical plates 30, when the blanking block 11 moves rightwards, the blanking needle 31 at the upper part exits the needle hole, and the blanking needle 31 at the lower part is inserted into the screw track 8 from the needle hole, at which time the screw moves downwards to fall onto the blanking needle 31 at the lower part and is blocked, then the material cutting cylinder 9 drives the material cutting block 11 to move leftwards again, at this time, the material cutting needle 31 at the upper part is inserted into the screw track 8 again through the needle hole, the screw between the material cutting needle 31 at the upper part and the material cutting needle 31 at the lower part is retained, meanwhile, the screw above the screw is displaced and blocked at the upper side by the upper part material cutting needle 31, meanwhile, the lower part material cutting needle 31 moves leftwards and exits from the needle hole, and the screw which is not blocked by the lower part material cutting needle 31 falls downwards, so that one-time material cutting is finished;

the downward screw reaches the screw outlet along the screw track 8, then the pushing cylinder 22 drives the pushing block 23 to move forward, the pushing block 23 drives the pushing rod 24 to move forward to push the screw at the screw outlet into the notch groove 19 of the blowing-in mechanism, at this time, the nut bracket 21 of the screw clamping block 20 on the positioning block 15 is located at the notch groove 19, so the screw is clamped on the nut bracket 21 of the screw clamping block 20, the nut bracket 21 clamps the screw by clamping the nut of the screw, because the diameter of the nut is larger than that of the screw, the nut can be clamped by the nut bracket 21, then the positioning cylinder 16 drives the positioning block 15 to move rightward, so that the screw clamping block 20 on the positioning block is moved rightward simultaneously, the nut bracket 21 is moved to the positions of the air inlet 17 and the air outlet 18, and the screw clamping block 20 also drives the shaft 26 and the bearing 27 located above to move rightward, due to the arrangement of the guide groove 25, when moving rightwards, the bearing 27 abuts against the inclined plane of the chute of the guide groove 25, the screw clamping block 20 is automatically driven to move and retract towards the rear side in the chute, the nut bracket 21 also moves backwards and retracts, then the electromagnetic air valve 6 acts to input air to enter the air inlet 17, the screw is ejected out from the position and blown out from the air outlet 18 into the conveying pipeline, one-time positioning feeding is completed, then the positioning air cylinder 16 drives the positioning block 15 to move and reset towards the left, the screw clamping block 20 also moves and resets towards the left, meanwhile, the bearing 27 abuts against the inclined plane of the chute of the guide groove 25, the screw clamping block 20 is automatically driven to move and reset towards the front in the chute, the nut bracket 21 moves and extends forwards to clamp the next screw, and then the last operation is repeated in a reciprocating mode, so that the screw is positioned and fed into the conveying pipeline from the air outlet 18.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a feedway of countersunk head screw which characterized in that includes device bottom plate, screw vibration feeder, screw range track, blank mechanism, blows off mechanism and electromagnetism pneumatic valve, be equipped with screw vibration feeder on the device bottom plate, screw vibration feeder the place ahead is equipped with the output position and the screw range track connection of screw range track and screw vibration feeder, be equipped with blank mechanism on the screw range track, screw range track the place ahead sets up and is connected with and blows off the mechanism, device bottom plate right front still is equipped with the electromagnetism pneumatic valve.

2. The feeding device for countersunk head screws according to claim 1, characterized in that the screw arrangement track consists of a track support and a screw track, the screw track is arranged above the track support, the top end of the screw track is a screw inlet, and the bottom end of the screw track is a screw outlet;

the material cutting mechanism is composed of a material cutting cylinder, a material cutting cylinder support and a material cutting block, the material cutting cylinder is fixed on the outer side of the rail support through the material cutting cylinder support, the material cutting block is slidably mounted on the rail support, and a piston rod of the material cutting cylinder is fixedly connected with one side of the material cutting block.

3. The feeding device of countersunk head screws as claimed in claim 1, characterized in that the blowing-out mechanism consists of a blowing-out mechanism bracket, a bottom block, a cover plate, a positioning block, a positioning cylinder, an air inlet and an air outlet, a bottom block is arranged above the blowing mechanism bracket, a cover plate is arranged above the blowing mechanism bracket, a gap is arranged between the bottom block and the cover plate, a positioning block is arranged in the gap in a sliding manner, a positioning cylinder is arranged on the right side of the bottom block, a piston rod of the positioning cylinder is fixedly connected with the positioning block, the rear end of the cover plate is provided with a notch groove, the top end of the cover plate is provided with an air inlet, the bottom of the bottom block is provided with an air outlet corresponding to the air inlet, the locating piece is provided with a sliding groove from front to back, a screw clamping block is arranged in the sliding groove in a sliding mode, a nut bracket is arranged on the left side of the screw clamping block, and the nut bracket is of a U-shaped bracket structure.

4. The feeding device of countersunk head screw of claim 2, characterized in that the blanking block is composed of a flat plate at the bottom and vertical plates at the left and right sides, the vertical plates are respectively located at the left and right sides of the screw track, the inner sides of the left vertical plate and the right vertical plate are respectively provided with blanking needles, two of which are arranged in a staggered manner, the length of the blanking needles is half of the distance between the vertical plates at the left and right sides, and the screw track is provided with needle holes corresponding to the blanking needles.

5. The feeding device for countersunk head screws as claimed in claim 3, wherein the cover plate is further provided with a guide groove, the guide groove is a through groove, the guide groove is composed of two straight grooves and a chute, the two straight grooves are respectively located at two ends of the chute, a shaft is fixed on the screw clamping block, the shaft is rotatably connected with a bearing, and the bearing is slidably mounted in the guide groove.

6. The feeding device for the countersunk head screws as claimed in claim 2, wherein a screw pushing mechanism is further arranged at the bottom of the rail support, the screw pushing mechanism is composed of a pushing cylinder and a pushing block, the pushing cylinder is fixed on the rail support, push rods are mounted on the front side of the pushing block, the push rods extend into screw outlets of the screw rails and are in sliding connection with the screw rails, the number of the push rods is consistent with that of the screw rails, and piston rods of the pushing cylinder are fixedly connected with the pushing block.

7. The feeding device for countersunk head screws as defined in claim 2, wherein the screw track is an obliquely arranged U-shaped track, the number of the screw tracks is two, the number of the cutting blocks is two and corresponds to the screw track, and the two cutting blocks are fixedly connected with each other by a connecting block.

8. The feeding device for countersunk head screws as claimed in claim 2, wherein a nut block is further provided above the screw rail, and the nut block is disposed along the traveling direction of the screw rail.

9. The apparatus as claimed in claim 3, wherein the air inlet is located right at the right side of the notch groove, and the centers of the air inlet and the air outlet are located on the same vertical line.

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