CN100589911C

CN100589911C - Automatic screw machine

Info

Publication number: CN100589911C
Application number: CN200710080309A
Authority: CN
Inventors: 黄景成
Original assignee: Huiyi Yuli Equipment & Material Co Ltd
Current assignee: Huiyi Yuli Equipment & Material Co Ltd
Priority date: 2007-02-27
Filing date: 2007-02-27
Publication date: 2010-02-17
Anticipated expiration: 2027-02-27
Also published as: CN101254558A

Abstract

The invention relates to a machine for prestress-clamping and tapping, in particular to an automatic tapping machine consisting of a positioning device with preset position and a retreating device. Workpieces to be processed are sequentially fed into the positioning device through feeding guide rails and are firmly fixed at the processing position by the positioning device. The retreating device is used for retreating the workpiece in the positioning device, so that another workpiece can be subjected to the processing program. According to the proper arrangement of the feeding, fixing and retreating devices, certain action can be achieved to achieve automatic processing, thus shortening the working hour, lowering the production cost, etc.

Description

Automatic screw machine

Technical field

The present invention relates to a kind of toolroom machine, particularly relate to a kind of automatic screw machine.

Background technology

Screw and nut are the basic Chu assemblies of industry, used in a large number in various industries, because use amount is huge, how improving production capacity in a large number and reducing production costs is to become the most important problem of industry, must be earlier that clamping is firm during nut tapping in early days, utilize the tap that is threaded blade to carry out tapping again, because the lines of screw thread has directionality, therefore carry out its rotating shaft of tapping the feed stroke that just changeing and the withdrawing stroke of counter-rotating must be arranged, such process expends time in very much, make manufacturing cost high, therefore industry is the appearance that full-automatic tapping machine is arranged, the structure of the full-automatic tapping machine of commonly using can be consulted the novel patent application case of TaiWan, China number No. 82212512 case, No. 81202131 case and No. 092208261 case etc., it roughly comprises a feeding and puts, one tapping guiding sleeve, an one tapping rotating shaft and a top-pushing mechanism, this pay-off is delivered to this tapping rotating shaft with nut or other similar workpiece automatic guiding marshalling, this tapping rotating shaft is provided with the sleeve of a hollow, be nested with a tapping bar that slightly becomes the L type in this hollow sleeve, the long end of this tapping bar is established a tap, the bending of its end snap in one the restriction breach be used for the restriction this tapping bar and this tapping rotating shaft are rotated synchronously, this tapping guiding sleeve is provided with the guide rails of nut same cross-sectional and takes place with the situation that the restriction workpiece does not have rotation when the tapping, itself and with the coaxial setting of this tapping rotating shaft, this tapping rotating shaft is not done advance and retreat cutter stroke but is remained on the original place and rotates during use, workpiece this top-pushing mechanism after its guide rails that this tapping guiding sleeve is accepted this pay-off promotes to carry out tapping with workpiece toward the tapping rotor shaft direction, the workpiece that tapping is finished just directly is nested with on this tapping bar, and constantly pushed by past this tapping bar end gradually in the tapping process, at last by the disengaging of dropping of the bending end of this L type tapping bar, nut tapping stroke can significantly shorten process time like this, therefore the full-automatic tapping machine of this design is not attained ideal yet, because its structural restriction, the purposes of leading this tapping machine use is restricted, and also having some disappearances has to be overcome.

That is, one, the full-automatic tapping machine of the nut of its usefulness can only be used in the nut of hexagonal (hexagon)nut or other non-positive circle cross section, for the nut of circle or have the hexagonal (hexagon)nut of flange, can't guide sleeve in tapping because of it and be limited not rotate and can't use; They are two years old, because only being the restriction hexagonal (hexagon)nut, this tapping guiding sleeve do not have the situation of rotation to take place workpiece firmly not to be clamped, therefore when the process medium dip of workpiece in tapping, cause this bending of tapping bar or fracture easily, increase the cost of machine maintenance, and have piece-holder and be difficult for the shortcoming that processing quality is bad.

Summary of the invention

Main purpose of the present invention, solving above-mentioned disappearance, avoid the existence that lacks, main purpose of the present invention is that a kind of structure that can carry out the screw machine of tapping automatically is being provided, the means that the positioner and that utilization has a precalculated position moves back part mechanism constitute the screw machine of an automation, workpiece to be processed is conveyed into positioner in regular turn by the pan feeding guide rail, see through positioner with the workpiece strong fix in Working position, promote the precision of processing greatly.

Secondary objective of the present invention, utilize one to move back the part device processed workpiece is stripped in positioner again, to carry out another procedure, by this charging, fixing and move back the proper setting of part device, make it have certain dynamic program of doing, reach the effect of automation processing, have advantages such as the man-hour of shortening and the end of falling production cost.

Description of drawings

Fig. 1 is the schematic perspective view of automatic screw machine of the present invention;

Fig. 2 is the location of automatic screw machine of the present invention and moves back part device perspective exploded view;

Fig. 3 is the location of automatic screw machine of the present invention and moves back the cross-section illustration intention of part device along Fig. 2 A-A line;

Fig. 4 is for the location of automatic screw machine of the present invention and move back the position view of part when being installed on the location;

Fig. 5 is for the location of automatic screw machine of the present invention and move back the generalized section of the position of part when being installed on the location along Fig. 4 B-B line;

Fig. 6 is for the location of automatic screw machine of the present invention and move back part and be installed on position view when moving back part;

Fig. 7 is for the location of automatic screw machine of the present invention and move back part and be installed on position when moving back part along the generalized section of Fig. 6 C-C line;

Fig. 8 is the front view of automatic screw machine of the present invention.

[figure number explanation]

Automatic screw machine 1 stock chest 10

Pan feeding guide rail 20 workpiece 30

Tapping main shaft 40 taps 401

Motor 50 collecting vessels 60

Positioner 70 ccontaining bases 701

Accommodation space 701a original position 701b

Fixed disk 702 hole 702a

Groove 702b fixing base 703

Through hole 703a moves back part device 80

Movable follow block 801 primary importance 801a

Second place 801b moves back part dish 802

Centre bore 802a depressed part 802b

The specific embodiment

Relevant the technology used in the present invention, feature and effect thereof, lift a preferred embodiment now and cooperate icon to be described in detail as follows:

See also Fig. 1, Fig. 2 and shown in Figure 3, for the stereogram of outward appearance of the present invention, locate and move back that the part device is three-dimensional to be decomposed and the cross-section illustration intention.

Automatic screw machine 1 as shown in Figure 1, it includes: a stock chest 10, be located at pan feeding guide rail 20 1 ends and place workpiece to be processed 30; One pan feeding guide rail 20 delivers into Working position in regular turn for this workpiece 30; One tapping main shaft 40 is provided with a tap 401 and axially carries out the tapping operation along it; One motor 50, these motor 50 bodies are fixed in the board precalculated position and carry out tapping in order to drive these tapping main shaft 40 rotations; One collecting vessel 60 is used to collect the workpiece that tapping is finished; Again as shown in Figures 2 and 3, this automatic screw machine 1 is provided with a positioner 70 for the strong fix workpiece, and this positioner 70 has ccontaining base 701, one fixed disks 702 and a fixing base 703.

Moreover, see also Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, as shown in the figure, this ccontaining base 701 has an accommodation space 701a and an initial position 701b enters for this workpiece 30, this ccontaining base 701 makes workpiece 30 1 ends that enter this accommodation space 701a embed this fixed disk 702 and replace fixing by this original position 701b to these fixing base 703 displacements, this fixed disk 702 is the pair of lamina concentric cylinder, the center is run through by a up-narrow and down-wide hole 702a and an end embeds this fixing base 703, and be provided with a groove 702b for withdrawing from this workpiece in bottom, the hole 702a of this fixed disk 702 is greater than this workpiece 30 again, make this workpiece 30 can run through and protrude this fixed disk 702 parts, and move back part dish 802 with this and contact and replace this and move back part dish 802 and make this move back the 802 equidirectional displacements of part dish, this fixing base 703 is provided with the through hole 703a that embeds for these fixed disk 702 1 ends and is fixed in this tapping machine 1 body; One moves back part device 80, be located at this fixing base 703 upsides, wherein be provided with a movable follow block 801 with a primary importance 801a and a second place 801b, should and a center have depressed part 802b and have establish centre bore 802a move back part dish 802, this depressed part 802b that moves back part dish 802 embeds this fixing base 703, replace this and move back part dish 802 and should activity follow block 801 when the second place, execute a strength, make this move back part dish 802 and go deep into this fixing base 703 and push this workpiece 30.

By this, when workpiece to be processed 30, after entering pan feeding guide rail 20 via stock chest 10, enter the accommodation space 701a in the ccontaining base 701 of positioner 70 in regular turn, this moment, this ccontaining base 701 was positioned at this original position 701b and by hydraulic pressure, baric systerm moves to these fixing base 703 directions, move back the depressed part 802b of part dish 802 and reach a urgent access node and close state up to replacing and make this workpiece 30 enter hole 702a up-narrow and down-wide in this fixed disk 702 and outstanding this hole 702a to this, the action of tooth jumps off this moment, after the tapping action is finished, this activity follow block 801 will be by this primary importance 801a by hydraulic pressure, baric systerm is moved to this second place 801b, move back part dish 802 up to replacing this, make this depressed part 802b that moves back part dish 802 go deep into the through hole 703a of this fixing base 703 and push this workpiece 30, make this workpiece 30 be subjected to the compressing of a strength and separate and break away from this positioner 70 and enter this collecting vessel 60 from solid 702 the groove 702b of coiling admittedly by this fixed disk 702, this ccontaining base 701 is also by hydraulic pressure simultaneously, baric systerm is got back to this original position 701b, so that carry out the processing of another workpiece 30, form an automatic screw flow process by this.Again, the up-narrow and down-wide hole 702a of this fixed disk can be a bellmouth, and the shape of visual workpiece to be processed, size and different settings is arranged reach the needs of various objectives.

Claims

1. automatic screw machine, it includes: a stock chest, be located at pan feeding guide rail one end and place workpiece to be processed; One pan feeding guide rail delivers into Working position in regular turn for workpiece; One tapping main shaft is provided with a tap and axially carries out the tapping operation along it; One motor, body are fixed in the board precalculated position and carry out tapping in order to drive this tapping main axis rotation; One collecting vessel, be used to collect the workpiece that tapping is finished, it is characterized in that, this automatic screw machine is provided with a positioner for the strong fix workpiece, wherein has a ccontaining base, one fixed disk and a fixing base, this ccontaining base is located at this pan feeding guide rail end, be provided with an accommodation space and have an initial position and enter for this workpiece, this ccontaining base makes workpiece one end that enters this accommodation space embed this fixed disk and replace fixing by this original position to this fixing base displacement, this fixed disk is the pair of lamina concentric cylinder, its center is run through by a up-narrow and down-wide hole and an end embeds this fixing base, and being provided with a groove for withdrawing from this workpiece in bottom, this fixing base is provided with the through hole that embeds for this fixed disk one end and is fixed in this tapping machine body; One moves back the part device, be located at this fixing base upside, wherein be provided with one have the movable follow block and a central concave of a primary importance and a second place and have establish centre bore move back the part dish, this moves back part dish depressed part and embeds this fixing base, replace this and move back the part dish and should the activity follow block when the second place, execute a strength, make this move back the part dish and go deep into this fixing base and push this workpiece.

2. automatic screw machine as claimed in claim 1, wherein the up-narrow and down-wide hole in this fixed disk makes this workpiece can run through and protrude this fixed disk part greater than this workpiece, and moves back the part dish with this and contact and replace this and move back the part dish and make this move back the equidirectional displacement of part dish.

3. automatic screw machine as claimed in claim 1, wherein the up-narrow and down-wide hole of this fixed disk can be the shape, size of a bellmouth and visual workpiece to be processed and different settings is arranged.

4. automatic screw machine as claimed in claim 1, this activity follow block have a predetermined space that can supply tap to pass through.

5. automatic screw machine as claimed in claim 1 wherein should be controlled its shift reciprocately stroke by this primary importance dislocation second place by hydraulic pressure or baric systerm by the activity follow block, and required strength.

6. automatic screw machine as claimed in claim 1, wherein this ccontaining base is controlled it by hydraulic pressure or baric systerm and is moved to the shift reciprocately stroke of an appropriate location and required strength thereof by this original position.