CN109454440B

CN109454440B - Screw loading attachment

Info

Publication number: CN109454440B
Application number: CN201811425672.1A
Authority: CN
Inventors: 周继东
Original assignee: Individual
Current assignee: Zhoushan Qihui Technology Development Co ltd
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-10-16
Anticipated expiration: 2038-11-27
Also published as: CN109454440A

Abstract

The invention relates to the technical field of screw installation, in particular to a screw feeding device, which comprises: the hopper goes up the flitch, goes up flitch sliding connection in the bottom of hopper, and a plurality of stifled grooves of preventing have all been seted up to the both sides of going up the flitch, prevent stifled inslot scalable being connected with and prevent the sprue, prevent that the sprue includes: two inclined plane boards that set up relatively and the connecting plate of connecting two inclined plane boards, the height of inclined plane board is not higher than the height of preventing stifled groove, the inclined plane board can stretch out and prevent stifled groove, the chute has been seted up to the up end of last flitch, elevating system sets up in last flitch below, elevating system is used for the drive to go up the flitch and slides, conveying mechanism passes the hopper to contact with last flitch, conveying mechanism is arranged in carrying the screw in the chute of last flitch to unloading mechanism, and unloading mechanism, unloading mechanism is used for in proper order will carrying the screw unloading of coming, the easy problem of blockking up influence flitch material loading in hopper bottom has been solved.

Description

Screw loading attachment

Technical Field

The invention relates to the technical field of screw installation, in particular to a screw feeding device.

Background

The screw machine is mainly composed of sorting, separating and locking parts. Compared with a screw locking mode of holding a screw by one hand and holding a screwdriver by the other hand, the automatic screw locking machine can release one hand and lock the screw by only aligning the screw hole with one hand. After one screw is locked, the screwdriver is only required to be lifted to align with the next screw hole for locking the screw, the machine can automatically convey one screw to the lower part of the screwdriver mouth at the moment of lifting the screwdriver, waits for the next screw to be locked, and the process is repeated.

However, the existing screw machine is easy to block the bottom of the hopper due to the action of gravity when sequencing, so that the feeding plate can not be fed in the process of sliding up and down by the screws.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problem that the bottom of a hopper is easy to block and influence the feeding of a feeding plate, the invention provides a screw feeding device, screws are poured into the hopper, a lifting mechanism controls the feeding plate to descend, the screws in the hopper fall into a chute on the feeding plate, meanwhile, an inclined plane plate slides through the bottom of the hopper and pushes a connecting plate to contract inwards so that an anti-blocking block can pass through the hopper, after enough screws are collected in the chute, the lifting mechanism controls the feeding plate to ascend, at the moment, the other inclined plane plate slides through the bottom of the hopper and pushes the connecting plate to contract inwards so that the anti-blocking block can pass through the hopper and then recover to a state protruding out of the anti-blocking groove, the screws at the bottom of the hopper are pushed outwards, the situation that the screws at the bottom of the hopper block at the joint of the hopper and the feeding plate in the lifting process of the feeding plate are blocked and influence the feeding is avoided, and the, when the feeding plate rises to the maximum height, the screws in the chutes are conveyed to the discharging mechanism through the conveying mechanism for discharging.

The technical scheme adopted by the invention for solving the technical problems is as follows: a screw loading device, comprising:

a material hopper, a material feeding pipe,

go up the flitch, go up flitch sliding connection in the bottom of hopper, go up the both sides of flitch and all seted up a plurality of stifled grooves of preventing, prevent stifled inslot scalable being connected with and prevent the sprue, prevent that the sprue includes: two oppositely arranged inclined plane plates and a connecting plate for connecting the two inclined plane plates, wherein the height of each inclined plane plate is not higher than that of the anti-blocking groove, the inclined plane plates can extend out of the anti-blocking groove, the upper end surface of the feeding plate is provided with a chute,

the lifting mechanism is arranged below the upper material plate and is used for driving the upper material plate to slide,

the conveying mechanism penetrates through the hopper to be in contact with the feeding plate, the conveying mechanism is used for conveying screws in the chute of the feeding plate to the discharging mechanism, and the discharging mechanism is used for sequentially discharging the conveyed screws.

Specifically, the connecting plate is connected with the bottom surface of the anti-blocking groove through a spring.

Specifically, the angle α between the bevel plate and the connecting plate is 30 to 60 °.

Preferably, a partition plate is arranged in the hopper, and a gap is formed between the bottom of the partition plate and the hopper.

Specifically, the loading attachment still includes: base and support, elevating system includes: the lifting cylinder comprises a lifting cylinder, a connector, four connecting rod heads and two connecting rods, wherein the fixed end of the lifting cylinder is hinged to the base, the connector is fixedly connected to the movable end of the lifting cylinder, the two connecting rod heads are hinged to the connector respectively, the other two connecting rod heads are hinged to the bottom of the hopper and the base below the hopper respectively, and the other two connecting rods are connected with the corresponding two connecting rod heads respectively.

Specifically, the conveying mechanism includes: the device comprises a rectilinear vibrator, a fixed seat, a sliding rail, a pressing plate and a material pushing device, wherein the rectilinear vibrator is fixedly connected to a support, the fixed seat is fixedly connected to the rectilinear vibrator, the sliding rail is fixedly connected with the fixed seat, the sliding rail penetrates through a hopper to be in contact with a material feeding plate, the pressing plate is fixedly connected to the fixed seat and located above the sliding rail, the material pushing device is fixedly connected with the sliding rail, and the material pushing device is used for pushing down the sliding rail through a screw protruding out of the sliding rail.

Specifically, the pushing device includes: the material pushing device comprises a material pushing cylinder, a fixed plate, a material pushing plate, two guide pillars and two linear bearings, wherein the fixed plate is fixedly connected to the middle of a sliding rail, the fixed end of the material pushing cylinder is fixedly connected with the fixed plate, the movable end of the material pushing cylinder is fixedly connected with the material pushing plate, sliding grooves suitable for the material pushing plate to slide are formed in two side walls of the sliding rail, through holes for the sliding rail and materials to pass through are formed in the fixed plate, one end of each guide pillar is fixedly connected with the material pushing plate, the other end of each guide pillar penetrates through the fixed plate, the linear bearings are arranged on the fixed plate and located at the connecting positions of the guide pillars, and the material pushing cylinder.

Specifically, the unloading mechanism includes: blanking seat, unloading cylinder, sliding block, slip strip and feed opening, unloading cylinder and support fixed connection, sliding block fixed connection just can slide in the slip strip direction in the expansion end of unloading cylinder, slip strip fixed connection is on the blanking seat, the feed opening sets up the lower terminal surface at the blanking seat and passes the blanking seat.

Preferably, the blanking mechanism further comprises: the sliding cylinder is inserted into the sliding block and can be in sliding connection with the sliding block, and the sliding cylinder is embedded in the sliding block and the movable end of the sliding cylinder is fixedly connected with the sliding block.

The invention has the beneficial effects that:

the invention provides a screw feeding device, screws are poured into a hopper, a lifting mechanism controls a feeding plate to descend, the screws in the hopper fall into a chute on the feeding plate, meanwhile, the inclined plane plate slides from the bottom of the hopper and pushes the connecting plate to contract inwards so that the anti-blocking block can pass through the hopper, when enough screws are collected in the chute, the lifting mechanism controls the feeding plate to ascend, at the moment, the other inclined plate slides through the bottom of the hopper and pushes the connecting plate to contract inwards so that the anti-blocking block can pass through the hopper and then restore to a state of protruding out of the anti-blocking groove, and the screws at the bottom of the hopper are pushed outwards to avoid the situation that the screws at the bottom of the hopper are blocked at the connecting part of the hopper and the feeding plate in the lifting process of the feeding plate to influence the feeding, so that the stability of the lifting process of the feeding plate is ensured, and when the feeding plate is lifted to the maximum height, the screws in the chute are conveyed to the discharging mechanism through the conveying mechanism to discharge.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a screw feeding device according to the present invention;

FIG. 2 is another perspective view of a screw feeder of the present invention;

FIG. 3 is a schematic structural diagram of the installation of the anti-blocking block and the feeding plate;

FIG. 4 is a schematic structural view of the conveying mechanism;

FIG. 5 is a schematic structural view of a blanking mechanism;

FIG. 6 is a mechanical schematic diagram of another state of the blanking mechanism;

in the figure: 1. the automatic feeding device comprises a hopper, 11 partition plates, 2 feeding plates, 21 chute, 3 anti-blocking grooves, 41 inclined plane plates, 42 connecting plates, 43 springs, 51 lifting cylinders, 52 connecting heads, 53 connecting rod heads, 54 connecting rods, 6 conveying mechanisms, 61 straight vibration devices, 62 fixing seats, 63 sliding rails, 631 sliding grooves, 64 pressing plates, 65 pushing cylinders, 66 fixing plates, 67 pushing plates, 671 through holes, 68 guide columns, 69 linear bearings, 7 discharging mechanisms, 71 discharging seats, 72 discharging cylinders, 73 sliding blocks, 74 sliding strips, 75 discharging openings, 76 sliding cylinders, 77 sliding sheets, 8 bases and 9 supports.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The invention provides a screw feeding device, which comprises:

the material feeding device comprises a material feeding hopper 1,

go up flitch 2, go up flitch 2 sliding connection in the bottom of hopper 1, go up the both sides of flitch 2 and all seted up a plurality of stifled grooves 3 of preventing, prevent that scalable being connected with in the groove 3 prevents the sprue, prevent that the sprue includes: two oppositely arranged inclined plane plates 41 and a connecting plate 42 connecting the two inclined plane plates 41, wherein the height of the inclined plane plate 41 is not higher than that of the anti-blocking groove 3, the inclined plane plate 41 can extend out of the anti-blocking groove 3, the upper end surface of the feeding plate 2 is provided with an inclined groove 21,

the lifting mechanism is arranged below the upper material plate 2 and is used for driving the upper material plate 2 to slide,

the conveying mechanism 6 penetrates through the hopper 1 to be in contact with the feeding plate 2, the conveying mechanism 6 is used for conveying screws in the chute 21 of the feeding plate 2 to the blanking mechanism 7, and the blanking mechanism 7 is used for blanking the conveyed screws in sequence.

When the anti-blocking device is used, screws are poured into the hopper 1, the lifting mechanism controls the feeding plate 2 to descend, the screws in the hopper 1 fall into the chute 21 on the feeding plate 2, meanwhile, the inclined plate 41 slides over the bottom of the hopper 1 and pushes the connecting plate 42 to contract inwards to enable the anti-blocking block to penetrate through the hopper 1, after enough screws are collected in the chute 21, the lifting mechanism controls the feeding plate 2 to ascend, at the moment, the other inclined plate 41 slides over the bottom of the hopper 1 and pushes the connecting plate 42 to contract inwards to enable the anti-blocking block to penetrate through the hopper 1 and then recover to a state protruding out of the anti-blocking groove 3, the screws at the bottom of the hopper 1 are pushed outwards, the situation that the screws at the bottom of the hopper 1 block at the connecting position of the hopper 1 and the feeding plate 2 to influence feeding in the lifting process of the feeding plate 2 is avoided, the stability of the lifting process of the feeding plate 2 is ensured, and when the feeding plate 2, the screws in the chute 21 are conveyed to the blanking mechanism 7 through the conveying mechanism 6 for blanking.

Specifically, the connection plate 42 is connected to the bottom surface of the anti-blocking groove 3 through a spring 43, or may be connected through a spring plate or other elastic member, as long as the connection plate 42 can extend and retract in the anti-blocking groove 3 and can return to a state where the anti-blocking block protrudes from the anti-blocking groove 3, which is not limited in the present invention.

Specifically, the angle α between the slope plate 41 and the connecting plate 42 is preferably 45 °.

In a specific embodiment, in order to further avoid the screw to block up the junction of hopper 1 and material loading plate 2, be equipped with baffle 11 in the hopper 1, there is the space between the bottom of baffle 11 and the hopper 1, only need during reinforced from the opposite side of material loading plate 2, the screw passes and falls to the chute 21 after the space below baffle 11 and carries out the material loading, and the screw that such mode was blocked up the junction of feed bin and material loading plate 2 is less, has reduced the possibility that the screw blocked material loading plate 2.

Specifically, loading attachment still includes: base 8 and support 9, elevating system includes: the lifting cylinder 51, the connector 52, four connecting rod heads 53 and two connecting rods 54, the fixed end of the lifting cylinder 51 is hinged to the base 8, the connector 52 is fixedly connected to the movable end of the lifting cylinder 51, the two connecting rod heads 53 are respectively hinged to the connector 52, the other two connecting rod heads 53 are respectively hinged to the bottom of the hopper 1 and the base 8 below the hopper 1, the other two connecting rods 54 are respectively connected to the corresponding two connecting rod heads 53, when the lifting cylinder 51 extends out, the connector 52 at the movable end of the lifting cylinder 51 is respectively hinged to the base 8 and the feeding plate 2 through the connecting rods 54, so that the feeding plate 2 can only do ascending movement, otherwise, when the lifting cylinder 51 contracts, the feeding plate 2 does descending movement.

Specifically, the conveying mechanism 6 includes: the device comprises a straight vibrator 61, a fixed seat 62, a slide rail 63, a pressure plate 64 and a material pushing device, wherein the straight vibrator 61 is fixedly connected on a bracket 9, the fixed seat 62 is fixedly connected on the straight vibrator 61, the slide rail 63 is fixedly connected with the fixed seat 62, the slide rail 63 passes through the hopper 1 to be contacted with the feeding plate 2, the pressure plate 64 is fixedly connected on the fixed seat 62 and positioned above the slide rail 63, the material pushing device is fixedly connected with the slide rail 63, the material pushing device is used for pushing a screw protruding out of the slide rail 63 down the slide rail 63, the straight vibrator 61 drives the fixed seat 62 to vibrate, the fixed seat 62 drives the slide rail 63 to vibrate, the screw in the chute 21 in the feeding, redundant screws are pushed back into the hopper 1 through the material pushing device, the screws in the sliding rails 63 are conveyed to one end of the blanking mechanism 7 through vibration, and the pressing plate 64 can avoid the situation that the screws jump out of the sliding rails 63 due to overlarge vibration amplitude.

Specifically, the pusher device includes: the material pushing device comprises a material pushing cylinder 65, a fixing plate 66, a material pushing plate 67, two guide posts 68 and two linear bearings 69, wherein the fixing plate 66 is fixedly connected to the middle of the slide rail 63, the fixed end of the material pushing cylinder 65 is fixedly connected with the fixing plate 66, the movable end of the material pushing cylinder 65 is fixedly connected with the material pushing plate 67, two side walls of the slide rail 63 are provided with sliding grooves 631 suitable for the material pushing plate 67 to slide, the fixing plate 66 is provided with through holes 671 used for the slide rail 63 and materials to pass through, one end of each guide post 68 is fixedly connected with the material pushing plate 67, the other end of each guide post 68 passes through the fixing plate 66, the linear bearings 69 are arranged on the fixing plate 66 and located at the connection positions of the guide posts 68, the material pushing cylinder 65 is used for driving the material pushing plate 67 to slide in the direction of the guide posts 68 in the sliding.

Specifically, the blanking mechanism 7 includes: blanking seat 71, unloading cylinder 72, sliding block 73, sliding strip 74 and feed opening 75, unloading cylinder 72 and support 9 fixed connection, sliding block 73 fixed connection just can slide in the sliding strip 74 direction in the expansion end of unloading cylinder 72, sliding strip 74 fixed connection is on blanking seat 71, feed opening 75 sets up the lower terminal surface at blanking seat 71 and passes blanking seat 71, the screw passes through slide rail 63 and carries to blanking seat 71 on, the work of unloading cylinder 72 drives sliding block 73 and slides on sliding strip 74 to push the screw in feed opening 75.

In one embodiment, in order to further ensure accurate blanking and prevent the screw from being clamped at the blanking opening 75, the blanking mechanism 7 further includes: the sliding cylinder 76 and the sliding sheet 77, the sliding sheet 77 is inserted into the sliding block 73 and can be slidably connected with the sliding block 73, the sliding cylinder 76 is embedded in the sliding block 73, the movable end of the sliding cylinder is fixedly connected with the sliding sheet 77, screws in the sliding rail 63 are directly conveyed into a clamping groove clamped on the sliding sheet 77 (as shown in fig. 5), the blanking cylinder 72 pushes the sliding block 73 to slide, so that the sliding sheet 77 drives the screws to be located above the blanking port 75, and the sliding cylinder 76 works to pull back the sliding sheet 77 to enable the screws to be pulled out of the sliding sheet 77 and directly fall into the blanking port 75 (as shown in fig. 6).

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a screw loading attachment which characterized in that includes:

a hopper (1),

go up flitch (2), go up flitch (2) sliding connection in the bottom of hopper (1), go up the both sides of flitch (2) and all seted up a plurality of stifled grooves (3) of preventing, but the scalable anti-blocking piece that is connected with in the stifled groove (3) of preventing, the anti-blocking piece includes: two oppositely arranged inclined plane plates (41) and a connecting plate (42) connecting the two inclined plane plates (41), wherein the height of each inclined plane plate (41) is not higher than that of the anti-blocking groove (3), the inclined plane plates (41) can extend out of the anti-blocking groove (3), the upper end surface of the feeding plate (2) is provided with a chute (21),

the lifting mechanism is arranged below the upper material plate (2) and is used for driving the upper material plate (2) to slide,

conveying mechanism (6), conveying mechanism (6) pass hopper (1) to contact with last flitch (2), conveying mechanism (6) are arranged in carrying the screw in the chute (21) of going up flitch (2) to unloading mechanism (7), unloading mechanism (7) are used for in proper order will carry the screw unloading of coming.

2. A screw feeder according to claim 1, wherein the connecting plate (42) is connected to the bottom surface of the anti-clogging groove (3) by a spring (43).

3. A screw feeder according to claim 1, characterised in that the angle α between the ramp (41) and the connecting plate (42) is 30-60 °.

4. A screw feeder according to claim 1, characterised in that a partition (11) is provided in the hopper (1), and a gap is provided between the bottom of the partition (11) and the hopper (1).

5. The screw feeding device according to claim 1, further comprising: base (8) and support (9), elevating system includes: lift cylinder (51), connector (52), four connecting rod heads (53) and two connecting rods (54), the stiff end of lift cylinder (51) is articulated with base (8), connector (52) fixed connection is in the expansion end of lift cylinder (51), two connecting rod head (53) is articulated with connector (52) respectively, two in addition connecting rod head (53) is articulated with base (8) of the bottom of hopper (1) and hopper (1) below respectively, two in addition connecting rod (54) is connected with corresponding two connecting rod heads (53) respectively.

6. A screw feeder according to claim 5, characterised in that said conveying means (6) comprise: straight oscillator (61), fixing base (62), slide rail (63), clamp plate (64) and blevile of push, straight oscillator (61) fixed connection is on support (9), fixing base (62) fixed connection is on straight oscillator (61), slide rail (63) and fixing base (62) fixed connection, slide rail (63) pass hopper (1) to contact with last flitch (2), clamp plate (64) and fixing base (62) fixed connection, clamp plate (64) are located the top of slide rail (63), blevile of push and slide rail (63) fixed connection, blevile of push is used for pushing down slide rail (63) in the screw of slide rail (63) salient.

7. The screw feeder according to claim 6, wherein said pusher comprises: a material pushing cylinder (65), a fixing plate (66), a material pushing plate (67), two guide posts (68) and two linear bearings (69), the fixed plate (66) is fixedly connected with the middle part of the slide rail (63), the fixed end of the material pushing cylinder (65) is fixedly connected with the fixed plate (66), the movable end of the material pushing cylinder (65) is fixedly connected with the material pushing plate (67), two side walls of the slide rail (63) are provided with slide grooves (631) suitable for the sliding of the material pushing plate (67), a through hole (671) for the sliding rail (63) and the material to pass through is arranged on the fixed plate (66), one end of the guide post (68) is fixedly connected with the material pushing plate (67), the other end of the guide post passes through the fixing plate (66), the linear bearing (69) is arranged on the fixing plate (66) at the joint of the guide post (68), the material pushing cylinder (65) is used for driving the material pushing plate (67) to slide in the sliding groove (631) along the direction of the guide post (68).

8. A screw feeding device according to claim 5, wherein said blanking mechanism (7) comprises: blanking seat (71), unloading cylinder (72), sliding block (73), slide bar (74) and feed opening (75), unloading cylinder (72) and support (9) fixed connection, sliding block (73) fixed connection just can slide in slide bar (74) direction in the expansion end of unloading cylinder (72), slide bar (74) fixed connection is on blanking seat (71), feed opening (75) set up at the lower terminal surface of blanking seat (71) and pass blanking seat (71).

9. A screw feeding device according to claim 8, wherein said blanking mechanism (7) further comprises: the sliding mechanism comprises a sliding cylinder (76) and a sliding sheet (77), wherein the sliding sheet (77) is inserted into the sliding block (73) and can be in sliding connection with the sliding block (73), the sliding cylinder (76) is embedded in the sliding block (73), and the movable end of the sliding cylinder is fixedly connected with the sliding sheet (77).