CN212192029U

CN212192029U - Hand-held automatic screw machine

Info

Publication number: CN212192029U
Application number: CN202020105357.7U
Authority: CN
Inventors: 张志远; 达海荣
Original assignee: Hangzhou Hanggong Electrical Technology Co Ltd
Current assignee: Hangzhou Hanggong Electrical Technology Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-12-22
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a handheld automatic screw machine, including handle spare, screwdriver drive module, screwdriver, material feeding unit, the screwdriver is fixed to screwdriver drive module's output shaft. The method is characterized in that: handle spare has the chamber that holds that is used for storing the screw, and material feeding unit includes moving part and the reciprocal actuating mechanism of drive moving part up-and-down motion, offer the fluting that is used for falling into screw rod portion on the moving part, the grooved width is less than screw head size for the screw can't pass the fluting and falls down, and has a size to be greater than the hole that weighs down of screw head at the grooved tail end intercommunication, weighs down the hole and communicates to the space of screwdriver lower extreme through transfer passage. The utility model discloses handheld automatic screw machine need not to be equipped with the special pneumatic feeding equipment who carries the screw, and equipment size is compact, and need not to receive the pipeline influence of carrying the screw, and the operation convenience obtains improving.

Description

Hand-held automatic screw machine

Technical Field

The utility model relates to an electric tool field, concretely relates to handheld automatic screw machine.

Background

The automatic screw machine is an important tool for industrial equipment production and assembly, particularly a handheld screw machine is convenient for manual rapid assembly work, and is particularly applied to processing operation of a semi-automatic assembly line. The existing holding type screw machine mostly needs to be equipped with a special pneumatic feeding device for conveying screws, the size of the device is large, the device is influenced by pipelines for conveying the screws, and the operation convenience is reduced. For example:

application No.: 201410237027.2 patent of the invention granted, which provides a hand-held separating type automatic screw locking machine, including a hand-held handle, the lower end of the hand-held handle is sleeved with a flange, a motor is arranged in the hand-held handle, a screwdriver head is arranged on the rotating shaft of the motor, an absorber is arranged on the screwdriver head, an air cylinder is arranged on one side of the flange, the piston rod of the air cylinder is in driving connection with a guide mechanism, one end of the guide mechanism is fixed on the flange, a screw head mechanism is fixed on the other end, the screw head mechanism is positioned under the screwdriver head, and on the same axis, a clamping piece for clamping the screw head mechanism is arranged on the air cylinder through a connecting piece.

The invention of application number 201910724367.0 discloses an electromagnetic feeding screw locking machine system, which comprises a sorting mechanism, a feeding device and a locking device, and is characterized in that: the device also comprises a first servo motor, an electromagnetic conveying device, a control device and a first servo motor for driving the locking device; the feeding end of the electromagnetic conveying device is connected with the sorting mechanism, the discharging end of the electromagnetic conveying device is connected with the feeding device, and the feeding device is arranged below the locking device. The sorting mechanism sends the screws into the electromagnetic conveying device, the electromagnetic conveying device conveys the screws into the feeding device through electromagnetic ejection, the first servo motor drives the locking device to lock the screws, and the electromagnetic conveying device, the locking device and the first servo motor are all electrically connected with the control device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure is portable, operates comparatively convenient handheld automatic screw machine.

The utility model provides a technical scheme that above-mentioned problem adopted is:

a handheld automatic screw machine comprises a handle piece, a screwdriver driving module, a screwdriver and a feeding device, wherein the screwdriver is fixed by an output shaft of the screwdriver driving module. The method is characterized in that: handle spare has the chamber that holds that is used for storing the screw, and material feeding unit includes moving part and the reciprocal actuating mechanism of drive moving part up-and-down motion, offer the fluting that is used for falling into screw rod portion on the moving part, the grooved width is less than screw head size for the screw can't pass the fluting and falls down, and has a size to be greater than the hole that weighs down of screw head at the grooved tail end intercommunication, weighs down the hole and communicates to the space of screwdriver lower extreme through transfer passage.

Further, as preferred, reciprocating drive mechanism includes a pair of mutual articulated hinge rod in middle part, and the upper end of hinge rod slides and sets up on the moving part, and the lower extreme slidable mounting of hinge rod is on the fixed plate, and the fixed plate is fixed in handle spare, install on the fixed plate and be used for driving the gliding slide driving structure of hinge rod lower extreme.

Further, as preferred, clamping device who is used for the centre gripping screw is installed to the lower extreme of handle spare, clamping device includes flexible piece, left claw spare, right claw spare, and flexible piece slidable mounting is provided with the pressure spring that is used for withstanding the flexible piece downwards in the lower extreme of handle spare in the handle spare, and left claw spare, right claw spare symmetry set up and all articulate on flexible piece, are provided with the first elastic component that is used for making left claw spare, the mutual interlock of right claw spare on the flexible piece.

Further, as preferred, the mounting groove has all been seted up to left claw spare, right claw spare, corresponds articulated left grip block and right grip block in the mounting groove of left claw spare, right claw spare, all is provided with the torsional spring that is used for making the mutual interlock of left grip block and right grip block on left grip block and the right grip block.

Further, as the preferred, the slotted upper end is the slope setting, and the low end is located and is close to the hole side that weighs down.

Further, as preferred, transfer passage includes fixed passage section and activity passageway section, and fixed passage section and activity passageway section cup joint each other, and fixed passage section and handle spare are fixed, and the upper end of fixed passage section and the hole intercommunication that weighs down are provided with the electromagnetism catapult that is used for launching the screw downwards on the fixed passage section, and the lower extreme of activity passageway section is fixed to the flexible piece.

Further, as preferred, be provided with the elasticity centre gripping piece that is used for centre gripping screw head on the fixed channel section, elasticity centre gripping piece is located the top of electromagnetic catapult.

Further, as preferred, the slip drive structure includes crank link mechanism and slider-crank mechanism, the crank member that crank link mechanism includes, connecting rod spare and pendulum rod spare, the output shaft of crank drive motor is fixed to the one end of crank member, the one end of the other end articulated connecting rod spare of crank member, the one end of the other end articulated pendulum rod spare of connecting rod spare, the middle part of pendulum rod spare articulates on the fixed plate, slider-crank mechanism includes two catch bars, two sliding blocks, the one end of two catch bars articulates on pendulum rod spare, the other end of two catch bars articulates respectively on two sliders, the slider slides and sets up on the fixed plate, the lower extreme of two articulated bars articulates respectively on two sliders.

Further, preferably, the outlet at the lower end of the conveying channel is positioned above the clamping ends of the left clamping block and the right clamping block.

Compared with the prior art, the utility model, have following advantage and effect: the utility model discloses built-in feeding equipment of handheld automatic screw machine structure can send into transfer passage via reciprocating drive mechanism's motion with the screw that holds the intracavity to the space of screwdriver lower extreme falls, makes handheld automatic screw machine need not to be equipped with the special pneumatic feeding equipment who carries the screw, and equipment size is compact, and need not to receive the pipeline influence of carrying the screw, and the operation convenience obtains improving.

Drawings

Fig. 1 is a schematic structural view of a handheld automatic screw machine according to an embodiment of the present invention.

Fig. 2 is a schematic view of an internal structure of a handheld automatic screw machine according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional structural view of the handheld automatic screw machine according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a clamping device according to an embodiment of the present invention.

Fig. 5 is a schematic view of an installation structure of a reciprocating drive mechanism according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a reciprocating driving mechanism according to an embodiment of the present invention.

Fig. 7 is a schematic view of a bottom mounting structure of a reciprocating drive mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic view of an installation structure of a sliding drive structure according to an embodiment of the present invention.

Reference numerals: handle member 1, accommodating cavity 11, screwdriver driving module 21, screwdriver 22, movable member 31, slot 32, drop hole 33, hinge rod 34, crank member 35, connecting rod member 36, swing rod member 37, crank driving motor 38, push rod 39, sliding block 310, fixing plate 311, telescopic block 41, left claw member 42, right claw member 43, compression spring 44, first elastic member 45, mounting groove 46, left clamping block 47, right clamping block 48, fixed channel section 51, movable channel section 52, electromagnetic ejector 53, elastic clamping piece 54, screw 6

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1 to 8, the handheld automatic screw machine of the present embodiment includes a handle member 1, a screwdriver driving module 21, a screwdriver 22, and a feeding device, wherein an output shaft of the screwdriver driving module 21 fixes the screwdriver 22, the handle member 1 has a receiving cavity 11 for storing a screw, the feeding device includes a movable member 31 and a reciprocating driving mechanism for driving the movable member 31 to move up and down, a slot 32 for falling into a rod portion of the screw 6 is formed in the movable member 31, a width of the slot 32 is smaller than a head portion of the screw 6, so that the screw cannot fall through the slot 32, a dropping hole 33 with a size larger than the head portion of the screw is communicated with a tail end of the slot 32, and the dropping hole 33 is communicated with a space at a lower end of the. The upper end of the slot 32 is inclined, and the lower end is located near the drop hole 33.

The reciprocating driving mechanism comprises a pair of hinged rods 34 with the middle parts hinged to each other, the upper ends of the hinged rods 34 are arranged on the movable piece 31 in a sliding mode, the lower ends of the hinged rods 34 are arranged on a fixing plate 311 in a sliding mode, the fixing plate 311 is fixed in the handle piece 1, and a sliding driving structure used for driving the lower ends of the hinged rods 34 to slide is arranged on the fixing plate. The sliding driving structure comprises a crank link mechanism and a crank slider mechanism, the crank link mechanism comprises a crank piece 35, a link piece 36 and a swing rod piece 37, one end of the crank piece 35 is used for fixing an output shaft of a crank driving motor 38, the other end of the crank piece 35 is hinged with one end of the link piece 36, the other end of the link piece 36 is hinged with one end of the swing rod piece 37, the middle part of the swing rod piece 37 is hinged on a fixed plate, the crank slider mechanism comprises two push rods 39 and two sliding blocks 310, one ends of the two push rods 39 are hinged on the swing rod piece 37, the other ends of the two push rods 39 are hinged on the two sliding blocks respectively, the sliding blocks are arranged on the fixed plate in a sliding mode, and the lower ends of the two.

Clamping device who is used for the centre gripping screw is installed to the lower extreme of handle spare 1, clamping device includes flexible piece 41, left claw piece 42, right claw piece 43, and flexible piece 41 slidable mounting is in the lower extreme of handle spare 1, is provided with the pressure spring 44 that is used for withstanding flexible piece 41 downwards in the handle spare 1, and left claw piece 42, right claw piece 43 symmetry set up and all articulate on flexible piece 41, are provided with on the flexible piece 41 to be used for making the first elastic component 45 of left claw piece 42, the mutual interlock of right claw piece 43. Mounting groove 46 has all been seted up to left claw piece 42, right claw piece 43, corresponds articulated left grip block 47 and right grip block 48 in the mounting groove 46 of left claw piece 42, right claw piece 43, all is provided with on left grip block 47 and the right grip block 48 to be used for making the mutual interlock of left grip block 47 and right grip block 48 torsional spring.

Conveying channel includes fixed channel section 51 and activity channel section 52, and fixed channel section 51 cup joints each other with activity channel section 52, and fixed channel section 51 is fixed with handle spare 1, and the upper end of fixed channel section 51 and weight hole 33 intercommunication are provided with the electromagnetism catapult 53 that is used for launching the screw downwards on the fixed channel section 51, and the lower extreme of activity channel section 52 is fixed to telescopic block 41. The fixed channel section 51 is provided with an elastic clamping piece 54 for clamping the head of the screw, and the elastic clamping piece 54 is positioned above the electromagnetic ejector 53. The outlet at the lower end of the conveying channel is positioned above the clamping ends of the left clamping block 47 and the right clamping block 48.

The working principle of the handheld automatic screw machine of the embodiment is as follows:

the movable member 31 is driven by the reciprocating driving mechanism to reciprocate up and down, the screw rod part in the accommodating cavity 11 falls into the slot 32, moves to be close to the drop hole 33 along the slot 32, and falls into the fixed channel section 51, and the falling screw is clamped by the elastic clamping piece 54, so that the falling screw cannot fall naturally. After the electromagnetic ejector 53 is powered on, the screw is quickly ejected under the action of the electromagnetic ejector 53, the screw is ejected from the lower end of the conveying channel and overcomes the torsion of a torsion spring, the left clamping block 47 and the right clamping block 48 are opened, the screw enters the lower part of the clamping ends of the left clamping block 47 and the right clamping block 48, (at the moment, the upper part of the head of the screw is propped by the clamping ends of the left clamping block 47 and the right clamping block 48, and at the moment, the lower part of the head of the screw is propped by the clamping ends of the left claw piece 42 and the right claw piece 43, so that the hand-held automatic screw machine can conveniently overturn 180 degrees and upwards screw in the screw). The left claw piece 42 and the right claw piece 43 are pressed against a workpiece to be screwed in, the handle piece 1 is pressed, the screw is pushed out from the clamping area of the left claw piece 42 and the right claw piece 43 by the screwdriver 22 and is pushed into the screw mounting hole of the workpiece, and the screwdriver 22 is driven to rotate by the screwdriver driving module 21, so that the screw is screwed in.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a handheld automatic screw machine, includes handle spare, screwdriver drive module, screwdriver, material feeding unit, the fixed screwdriver of output shaft of screwdriver drive module, its characterized in that: handle spare has the chamber that holds that is used for storing the screw, and material feeding unit includes moving part and the reciprocal actuating mechanism of drive moving part up-and-down motion, offer the fluting that is used for falling into screw rod portion on the moving part, the grooved width is less than screw head size for the screw can't pass the fluting and falls down, and has a size to be greater than the hole that weighs down of screw head at the grooved tail end intercommunication, weighs down the hole and communicates to the space of screwdriver lower extreme through transfer passage.

2. The hand-held automatic screw machine of claim 1, wherein: reciprocating drive mechanism includes a pair of mutual articulated hinge bar in middle part, and the upper end of hinge bar slides and sets up on the moving part, and the lower extreme slidable mounting of hinge bar is on the fixed plate, and the fixed plate is fixed in handle spare, install on the fixed plate and be used for driving the gliding slip drive structure of hinge bar lower extreme.

3. The hand-held automatic screw machine of claim 1, wherein: the clamping device who is used for the centre gripping screw is installed to the lower extreme of handle spare, clamping device includes flexible piece, left claw spare, right claw spare, and flexible piece slidable mounting is in the lower extreme of handle spare, is provided with the pressure spring that is used for withstanding flexible piece downwards in the handle spare, and left claw spare, right claw spare symmetry set up and all articulate on flexible piece, are provided with on the flexible piece to be used for making the first elastic component of left claw spare, the mutual interlock of right claw spare.

4. The hand-held automatic screw machine of claim 3, wherein: the mounting groove has all been seted up to left claw spare, right claw spare, corresponds articulated left grip block and right grip block in the mounting groove of left claw spare, right claw spare, all is provided with the torsional spring that is used for making the mutual interlock of left grip block and right grip block on left grip block and the right grip block.

5. The hand-held automatic screw machine of claim 1, wherein: the upper end of the slot is obliquely arranged, and the lower end of the slot is positioned at the side close to the drop hole.

6. The hand-held automatic screw machine of claim 1, wherein: conveying channel includes fixed channel section and movable channel section, and fixed channel section and movable channel section cup joint each other, and fixed channel section and handle spare are fixed, and the upper end of fixed channel section and weight hole intercommunication are provided with the electromagnetic catapult who is used for launching the screw downwards in the fixed channel section, and the lower extreme of movable channel section is fixed to the flexible piece.

7. The hand-held automatic screw machine of claim 6, wherein: and an elastic clamping piece for clamping the head of the screw is arranged on the fixed channel section, and the elastic clamping piece is positioned above the electromagnetic catapult.

8. The hand-held automatic screw machine of claim 2, wherein: the sliding driving structure comprises a crank connecting rod mechanism and a crank sliding block mechanism, the crank connecting rod mechanism comprises a crank piece, a connecting rod piece and a swinging rod piece, the output shaft of a crank driving motor is fixed at one end of the crank piece, the other end of the crank piece is hinged to one end of the connecting rod piece, the other end of the connecting rod piece is hinged to one end of the swinging rod piece, the middle of the swinging rod piece is hinged to a fixed plate, the crank sliding block mechanism comprises two push rods, two sliding blocks, one ends of the two push rods are hinged to the swinging rod piece, the other ends of the two push rods are hinged to the two sliding blocks respectively, the sliding blocks are arranged on the fixed plate in a sliding mode, and the.

9. The hand-held automatic screw machine of claim 4, wherein: and the outlet at the lower end of the conveying channel is positioned above the clamping ends of the left clamping block and the right clamping block.