CN208467168U - Cold headers Micro screw blanking device - Google Patents

Abstract

The utility model discloses a kind of cold headers Micro screw blanking devices, including pulp-collecting box, the air gun being arranged in above cold headers, the hopper being arranged in below air gun, it is connected between the pulp-collecting box and hopper by passage, the guide inside pipe wall is provided with ventilative canvas, and the ventilative canvas is connect by shaking spring with guide inside pipe wall.The cold headers Micro screw blanking device of the structure, is not only avoided that screw remains in passage, but also is avoided that during guide and damages screw.

Description

Cold headers Micro screw blanking device

Technical field

The utility model relates to precision screw production equipment fields, and in particular to a kind of cold headers Micro screw blanking dress It sets.

Background technique

Cold headers are the special equipments for being specifically used to produce in batches the fasteners such as nut bolt based on upsetting.Existing cold-heading Machine blanking port is the discharge port bigger in front end face one type chamber of setting of cold headers mostly, due in production screw process Middle needs constantly addition oil lubrication agent, so general cold-heading motor spindle can all accumulate more oil liquid, and due to cold-heading The discharge port of machine is bigger, therefore screw is easy to fall in blanking operation, falls into oil liquid, especially produces miniature Screw, since head is minimum, once it drops out, very inconvenient pickup.

Notification number is that the Chinese patent of 202752531 U of CN discloses a kind of cold headers Micro screw blanking device, is led to It crosses air gun and screw is blown into feeder pipe, then imported screw in magazine by feeder pipe, although the blanking device of this structure has Effect prevents blanking to splash, but due to the lighter in weight of screw, and under frictional force effect, screw is easy to stop sliding in feeder pipe It moves and segment screw is caused to remain in feeder pipe.

The Chinese patent that notification number is 206104798 U of CN discloses a kind of cold headers and blanking device, passes through setting The forms such as elastic cushion are arranged in elbow internal wall in clear material ring, increase thrust or sliding force to screw, to remain in passage Screw discharge.This structure design has the drawback that: 1, structure is complicated, increases the cost of blanking process；2, it is only leading The somewhere in material channel is provided with elastic cushion, and the rebound thrust provided screw is limited, i.e., limited to the increased sliding power-assisted of screw, Segment screw is still unavoidably had to remain in passage.Further, since screw is relatively hard touch with guide inside pipe wall Contact is hit, therefore, during guide, is easy to damage screw.

Utility model content

In view of this, being not only avoided that the purpose of the utility model is to provide a kind of cold headers Micro screw blanking device Screw remains in passage, and is avoided that during guide and damages screw.

The utility model is solved the above problems by following technological means: a kind of cold headers Micro screw blanking device, packet It includes pulp-collecting box, the air gun that is arranged in above cold headers, the hopper being arranged in below air gun, passes through between the pulp-collecting box and hopper Passage connection, the guide inside pipe wall are provided with ventilative canvas, and the ventilative canvas passes through shake spring and guide inside pipe wall Connection.

Further, more shake springs are evenly arranged between the ventilative canvas and guide inside pipe wall.

Further, the pulp-collecting box is internally provided with transfer flitch, and transfer flitch side and pulp-collecting box are close to guide The inner wall of pipe outlet is hinged, and the other side is provided with baffle, and transfer flitch bottom is connect by support spring with pulp-collecting box inner wall, in Turn to be provided with air bag between flitch bottom and pulp-collecting box inner wall, forms air flow chamber between ventilative canvas and guide inside pipe wall, it is described It is connected between air flow chamber and air bag by gas flow tube, the baffle and transfer flitch are hinged, and baffle sidewall passes through tension spring and transfer The connection of flitch bottom.

Further, it is fixedly connected between the passage and cold headers by fixed plate.

Further, the air gun is driven by reciprocating device and is moved back and forth in hopper span scope.

Further, the reciprocating device is conveyer belt or gear and rack teeth mechanism.

The utility model has the beneficial effects that the cold headers Micro screw blanking device of the utility model, including pulp-collecting box, set The hopper setting the air gun above cold headers, being arranged in below air gun is connected between the pulp-collecting box and hopper by passage, The guide inside pipe wall is provided with ventilative canvas, and the ventilative canvas is connect by shaking spring with guide inside pipe wall.The structure Cold headers Micro screw blanking device, be not only avoided that screw remains in passage, but also be avoided that during guide Damage screw.

Detailed description of the invention

The utility model is further described with reference to the accompanying drawings and examples.

Fig. 1 is the schematic diagram of the utility model.

Specific embodiment

The utility model is described in detail below with reference to attached drawing, the cold headers of the present embodiment are miniature as shown in Figure 1: Screw blanking device, it is described including pulp-collecting box 1, the air gun 3 being arranged in above cold headers 2, the hopper 4 being arranged in below air gun It is connected between pulp-collecting box and hopper by passage 5, is fixedly connected, is led by fixed plate 15 between the passage and cold headers Expects pipe inner wall is provided with ventilative canvas 6, and more shake springs 7 are evenly arranged between the ventilative canvas and guide inside pipe wall. During producing screw, the screw of output is constantly blown into hopper by air gun cold headers, is flowed into passage, is fallen On ventilative canvas, on the one hand, since ventilative canvas is contacted by shake spring with guide inside pipe wall, when screw is fallen, shaking Under spring force effect, ventilative canvas will drive screw and generate shake, and bounce can be generated to screw, and bounce is sliding to screw It is dynamic to play booster action, so as to avoid screw in passage internal residual.Furthermore ventilative canvas covers in entire passage Rebound can constantly be shaken and be generated to wall during screw slippage, further avoid screw in passage internal residual；Separately On the one hand, during conveying screw, screw is contacted with ventilative canvas, is relatively soft contact, is avoided damage screw.

As further improvement to above-mentioned technical proposal, the pulp-collecting box is internally provided with transfer flitch 8, the transfer The inner wall that flitch side and pulp-collecting box are exported close to passage is hinged, and the other side is provided with baffle 9, and transfer flitch bottom passes through branch Support spring 10 connect with pulp-collecting box inner wall, and air bag 11 is provided between transfer flitch bottom and pulp-collecting box inner wall, ventilative canvas and Air flow chamber 12 is formed between guide inside pipe wall, is connected between the air flow chamber and air bag by gas flow tube 13, and the baffle is in It is hinged to turn flitch, baffle sidewall is connect by tension spring 14 with transfer flitch bottom.Screw from passage outlet outflow after, first by Transfer flitch is caught, and as the screw gathered on transfer flitch is more and more, transfer flitch is rotated around hinge joint, not only compression branch Spring, and extruding gasbag are supportted, the gas in air bag is squeezed into air flow chamber, makes ventilative canvas expansion, ventilative canvas relies on itself again Exhaust is gradually discharged the gas in air flow chamber, this process improves the shake effect of ventilative canvas again.Transfer flitch around During hinge joint rotates, screw is blocked by baffle, and as screw is more and more, screw extruding force suffered by baffle is also more next Bigger, when the pulling force greater than tension spring, baffle can be rotated around itself hinge joint, make the screw discharging on transfer flitch, transfer material Plate overall weight mitigates, and support spring resets, and pushes transfer flitch backwards rotation, makes air bag air-breathing, by the gas in air flow chamber Air bag is sucked, while moment swabbing action is generated to ventilative canvas, this process can enhance the shake effect of ventilative canvas again.Cause This, is designed using this structure, can periodically enhance the shake effect of ventilative canvas, to further avoid screw in guide Residual in pipe.

As further improvement to above-mentioned technical proposal, the air gun by reciprocating device 16 drive hopper across It spends in range and moves back and forth, the reciprocating device is conveyer belt or gear and rack teeth mechanism, when reciprocating device is transmission When band, air gun is arranged on a moving belt, and when reciprocating device is gear and rack teeth mechanism, air gun is arranged in rack gear.It is blowing During screw, air gun moves back and forth in hopper span scope, can change blowing direction, blow screw by different directions Power, screw enter passage angle and power it is also not identical, can to the slow screw of movement generate impetus, further avoid Screw remains in passage.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (6)

1. a kind of cold headers Micro screw blanking device including pulp-collecting box, the air gun being arranged in above cold headers, is arranged in air gun The hopper of lower section is connected between the pulp-collecting box and hopper by passage, it is characterised in that: the guide inside pipe wall is provided with Ventilative canvas, the ventilative canvas are connect by shaking spring with guide inside pipe wall.

2. cold headers Micro screw blanking device according to claim 1, it is characterised in that: the ventilative canvas and guide More shake springs are evenly arranged between inside pipe wall.

3. cold headers Micro screw blanking device according to claim 2, it is characterised in that: setting inside the pulp-collecting box There is transfer flitch, the inner wall that transfer flitch side and pulp-collecting box are exported close to passage is hinged, and the other side is provided with baffle, Transfer flitch bottom is connect by support spring with pulp-collecting box inner wall, is provided with gas between transfer flitch bottom and pulp-collecting box inner wall Capsule forms air flow chamber between ventilative canvas and guide inside pipe wall, is connected between the air flow chamber and air bag by gas flow tube, described Baffle and transfer flitch are hinged, and baffle sidewall is connect by tension spring with transfer flitch bottom.

4. cold headers Micro screw blanking device according to claim 1 to 3, it is characterised in that: the guide Pipe is fixedly connected between cold headers by fixed plate.

5. cold headers Micro screw blanking device according to claim 4, it is characterised in that: the air gun is by back and forth moving The drive of motivation structure moves back and forth in hopper span scope.

6. cold headers Micro screw blanking device according to claim 5, it is characterised in that: the reciprocating device is Conveyer belt or gear and rack teeth mechanism.