CN205629561U

CN205629561U - Threading apparatus

Info

Publication number: CN205629561U
Application number: CN201521008561.2U
Authority: CN
Inventors: 刘自力
Original assignee: Chongqing Ruijia Machinery Co Ltd
Current assignee: Chongqing Ruijia Machinery Co Ltd
Priority date: 2015-12-07
Filing date: 2015-12-07
Publication date: 2016-10-12
Anticipated expiration: 2025-12-07

Abstract

The utility model provides a threading apparatus belongs to the machine tool field, including threading apparatus body and two at least transfer mechanisms, the bottom of threading apparatus body is the base, and the bottom both sides of base all are provided with the recess, and the top of base is provided with the first blind hole that corresponds with the recess, every shift mechanism include rise, two mountings and two at least walkings, the mounting is provided with the U -shaped and leads to the groove and lead to the groove with the embedding, the inside that the U -shaped leads to one of them lateral wall in groove is provided with the lug, the another one lateral wall is provided with the through -hole, wears to be equipped with the member in the through -hole, the rotation is provided with the gear on the lateral wall in the logical groove of embedding, rise to rise including the fixed plate, the inslot is led to in both ends imbedded two mountings respectively about the fixed plate embedding, the vertical rack that is provided with in one side of fixed plate, rack and gear engagement. The mechanism will install on the threading apparatus body and the rotation control handle through shifting, and the threading apparatus body breaks away from a ground and a walking contact ground, can anytime and anywhere carry out the position and shift.

Description

A kind of tapping machine

Technical field

This utility model relates to machining tool field, in particular to a kind of tapping machine.

Background technology

Tapping machine is a kind of lathe using screw tap machining internal thread, and it is most widely used a kind of internal thread machining lathe, and according to country's machinery standard, tapping machine series composition is divided into bench tapping machine, semi-automatic bench tapping machine, vertical tapping machine and Horizontal tap.

For the tapping machine of the types such as bench tapping machine, in use may need to carry out position and move, prior art is all to use the equipment such as fork truck to shift, this move mode is relatively complicated, and, in machining place, moving space the least, fork truck is difficult with.

Utility model content

This utility model provides a kind of tapping machine, makes the problems referred to above be improved.

This utility model is achieved in that

A kind of tapping machine, including:

Tapping machine body, the bottom of described tapping machine body is base, and described base is provided with leg, there is gap between described base and ground, the two bottom sides of described base is provided with groove, and the top of described base is provided with at least two first blind hole corresponding with described groove；

nullAt least two transfer device，Each described transfer device includes the part that hoists、Two fixtures and at least two walking part，Described fixture be internally provided with horizontal U-shaped groove，The side away from described base of described fixture is vertically provided with embedding groove，Described base can embed in described U-shaped groove，One of them sidewall of described U-shaped groove be internally provided with the projection that can embed in described groove，Another one sidewall is provided with through hole，The diapire of described groove and the end face of described projection are plane，And the length of described groove is more than the length of described projection，The rod member that can embed in described first blind hole it is equipped with in described through hole，Rotate on the sidewall of described embedding groove and be provided with gear，The rotational axis line of described gear is arranged along the length direction of described U-shaped groove，The joystick for controlling described pinion rotation it is provided with on described fixture；

The described part that hoists includes fixed plate, the two ends, left and right of described fixed plate are respectively embedded in the described embedding groove of two described fixtures, the side of described fixed plate is vertically provided with tooth bar, and described tooth bar engages with described gear, and described walking part is arranged in described fixed plate.

The leg of tapping machine body makes to exist between the bottom surface of base and ground gap, conveniently can be arranged on base by fixture when mobile tapping machine.During installation, the U-shaped groove of fixture it is directed at base and snaps in, adjusting the position of fixture, make projection corresponding with groove and move up fixture, projection snaps in groove, now, the diapire of U-shaped groove and one of them sidewall fit tightly with base, there is gap between another one sidewall and the end face of base, adjust the position of rod member, making rod member embed in the first blind hole, projection and rod member jointly act on and being clamped by base, and the position of fixture is fixed.The both sides of base are required to use transfer device, in order to enable tapping machine body to hoist and keep balance.

Embed groove and refer to run through the groove of fixture, its cross section is U-shaped, fixed plate vertically being placed and put into from the top embedding groove, rack and pinion engages, and presses down on fixed plate, rack drives pinion rotation, i.e. fixed plate moves downward along embedding groove, until walking part contacts with ground, walking part can be directional wheel, universal wheel etc., it is of course also possible to make tooth bar decline by hand-turning gear etc..

Pinion rotation is made by joystick, owing to the height of tooth bar is constant, then gear rises along tooth bar, i.e. fixture and tapping machine body rises overally, and after lifting process completes, is fixed by joystick, gear no longer rotates, after tapping machine body and ground disengage, only have walking part and contact with ground and can walk, thus realize the movement of tapping machine position.In order to make tapping machine body the most smoothly rise, the gear of multiple transfer device can be made to rotate, certainly simultaneously, two gears in one transfer device can rotate simultaneously, one of them can also be only made to rotate, in fixed plate uphill process, rack drives another one pinion rotation.

Further, rotate on the sidewall of described fixture and be provided with the roller that at least two is vertically arranged side by side, described gear is separately positioned on described roller on the relative sidewall of described embedding groove, the rotational axis line of described gear is parallel with the rotational axis line of described roller, the side away from described gear of described fixed plate and described roller contact, when described fixed plate moves up and down, described roller can roll in described fixed plate.

Roller rolls in fixed plate so that fixed plate slip in embedding groove is more smooth and easy, reduces frictional resistance, reduces abrasion, is effectively improved the service life of transfer device.

Further, described fixture is made up of two half removably connected, the relative sidewall of two described half is provided with semi-cylindrical groove, described semi-cylindrical groove in two described half can form described through hole, the sidewall of one of them described semi-cylindrical groove is provided with the second blind hole, arranges extrusion spring and depression bar in described second blind hole；

Described rod member is stepped round bar, described rod member includes active section and handles section, the diameter of described manipulation section, more than the diameter of described active section, is provided with the first back-moving spring between described manipulation section and described fixture, described active section is slidably arranged in described through hole；

It is provided with chute on the sidewall of described active section, described chute includes lock slots, lead-over groove and the action groove that head and the tail connect successively, described lock slots horizontally set, described action groove is vertically arranged, the degree of depth of described lock slots is more than the degree of depth of described action groove, the degree of depth of described lead-over groove is gradually reduced to the other end by the one end near described lock slots, and one end degree of depth of described lead-over groove is identical with the degree of depth of described lock slots, and the other end degree of depth of described lead-over groove is identical with the degree of depth of described action groove；

When pressing down on described manipulation section, described first back-moving spring compression, described depression bar slides along described action groove and enters under the thrust of described extrusion spring in described lock slots, and now, described active section is along described through hole slide downward and stretches in described first blind hole；After rotating in described rod member makes described depression bar slide into described lead-over groove along described lock slots, described first back-moving spring promotes described rod member to rise, in described depression bar slides along described lead-over groove and enters described action groove and make described extrusion spring compress.

It is to place extrusion spring and depression bar in the second blind hole and making depression bar prop up chute that two half form fixtures, two half is fixed after being placed on by rod member in through hole.Extrusion spring can apply certain active force to depression bar, makes depression bar prop up chute and can be along with the degree of depth generation change in location of chute all the time.After the position of fixture is fixed and projection embeds in groove, the manipulation section of pressing rod member, rod member moves downward in through hole, now, depression bar can slide in action groove, and the state of extrusion spring is constant, until depression bar arrives in lock slots, extrusion spring promotes depression bar to prop up lock slots, and depression bar makes rod member cannot continue to move downward and also cannot depart from the first blind hole, jointly acts on and make fixture be fixed on base between projection and groove, between rod member and the first blind hole.The most optimal state is the bottom that rod member props up the first blind hole, and certainly, this is not absolute, even if rod member does not prop up the bottom of the first blind hole, due to the effect of tapping machine self gravitation, fixture still can be made to be fixed on base.

When needing to unload fixture, it is only necessary to making rod member rotate around Pivot Point Center line by manipulatable end, depression bar can be made to slide in lead-over groove, then under the effect of the first back-moving spring, rod member moves upward thus departs from the first blind hole.This structure makes fixture can be securely fixed on base, fixing after structure relatively stable, and install, dismounting etc. very convenient, effectively reduce labor intensity, improve work efficiency.

Further, removably connected by bolt between two described half.

Bolt makes the dismounting between two half very convenient, manufactures installation cost relatively low, Stability Analysis of Structures, is effectively improved work efficiency.

Further, described through hole is screwed hole, and described rod member is bolt, and described rod member engages with described through hole whorl.

Screwed hole cooperates with bolt, when needs fixed disassembly part, it is only necessary to screw bolt, structure, operates relatively simple, but the rotating cycle of bolt is more.

Further, it is connected by quantity regulating part between described fixed plate with described walking part, described quantity regulating part includes housing, screw mandrel and half-nut, described half-nut is semi-circular, the central angle of described half-nut is less than or equal to 180 °, described housing is tubular and the side being arranged on described fixed plate, and described screw mandrel is rotatably supported in described enclosure interior, and one end of described screw mandrel is provided with turning handle；

The sidewall of described housing includes the insert port being sequentially communicated, rotates mouth and positioning port, described insert port is positioned at top or the oblique upper of described housing, described in described rotation opening's edge, housing is circumferentially disposed, and described positioning port is arranged on the bottom of described housing along the axial direction of described housing；

Described half-nut is connected by connecting rod is fixing with described walking part, in described half-nut can stretch into described housing through described insert port and engage with described screw mandrel, the width of described rotation mouth and the width of described positioning port are respectively less than the length of described half-nut, make described walking part when described screw mandrel rotates, described connecting rod is through described rotation mouth and enters in described positioning port, when described connecting rod is positioned at described positioning port, described half-nut is between the inwall of described screw mandrel and described housing, when rotating described screw mandrel, described half-nut can slide in described housing along the direction, axial line place of described screw mandrel.

Half-nut can be half nut, it is also possible to be less than the nut of half, is to unload from screw mandrel.It is normally to work to not affect other walking part when dismounting walking part that insert port is positioned at the oblique upper of housing, particularly as follows: in order to make walking part be positioned at the bottom of housing, positioning port must be positioned at the bottom of housing, if insert port to be set directly at the bottom of housing, cancel and rotate mouth and make insert port directly connect with positioning port, then when installing walking part, it is necessary to base is lifted and just can install, be difficult in actual use.And insert port is placed on the oblique upper of housing, then can be in the case of not affecting other walking part work, half-nut is put into housing by tea entrance, walking part is positioned at the outside of housing, when the axial line making walking part wire winding rod rotates, half-nut engages with screw mandrel, connecting rod is slided along rotating mouth, change the position of walking part, until connecting rod arrives in positioning port, now walking part contacts with ground, then makes walking part move along the direction of positioning port by rotary screw, realizing the installation of walking number of packages amount, unloading process is in contrast.Certainly, if half-nut arrives the end of screw mandrel, then screw mandrel cannot be rotated further, can only rotate backward, in order to make this problem be improved, both can increase the length of screw mandrel, make to exist between half-nut and the end of screw mandrel a certain distance, can also arrange conveying end etc. at the end of housing, conveying end can be similar with the set-up mode of insert port, can also use the structure similar with rotating mouth structure between conveying end and positioning port.

Further, the two ends of described screw mandrel all by bearing rotating support in described housing.

Bearing makes the rotation of screw mandrel more smooth and easy, reduces frictional resistance and frictional dissipation.

Further, described housing being provided with support plate, described support plate is fitted with described fixed plate and is removably connected by bolt.

Support plate and fixed plate being connected by bolt, the dismounting of housing is easier.

nullFurther，Also include the mechanism that is locked，The described mechanism that is locked includes fixing ring gear、Fasten lid and the second back-moving spring，One end of described fixture is provided with the positioning section of tubulose，Described fixing ring gear and described fastening lid are arranged at the outside of described positioning section，Described second back-moving spring is set in the outside of described positioning section，The two ends of described second back-moving spring are respectively held against described fixture and described fastening lid，The outer circumference face of described fixing ring gear is provided with embedded groove，Described joystick is connected with described pinion rotation，Described joystick can turn to embed in described embedded groove，Described fastening lid is provided with shoulder hole，The maximum inner diameter of described shoulder hole is more than the external diameter of described fixing ring gear，The minimum diameter of described shoulder hole is less than the external diameter of described fixing ring gear，The described step surface fastening lid can prop up described fixing ring gear under the effect of described second back-moving spring，Described joystick can extend into described fastening and covers interior and fix under the described effect fastening lid and described embedded groove.

After using transfer device by tapping machine body lifting, due to the action of gravity of tapping machine body, fixture has the trend moved downward, i.e. gear it may happen that rotate, so that tapping machine body drops, causes potential safety hazard.Therefore, using locking and fixing device to be fixed joystick, after the position of joystick is fixing, gear cannot rotate, and therefore, gear position relative with tooth bar keeps constant, it is to avoid tapping machine body drops.Locking and fixing device can also use ratchet structure etc..

The concrete locking mode of locking and fixing device is: after completing the position adjustments of tapping machine body, joystick is kept to fix, pull fastening lid, fastening lid is directed away from the direction of fixing ring gear and moves, second back-moving spring compression, fixing ring gear exposes, the structure of fixing ring gear is referred to fluted disc etc., the periphery i.e. fixing ring gear has multiple embedded groove, rotate joystick, the angle between the axial line of turning handle and the axial line of gear is made to gradually change, until one end away from pin joint of turning handle is embedded in embedded groove.Then fastening lid is unclamped, second back-moving spring promotes and fastens lid near fixing ring gear, fixing ring gear is surrounded by the final lid that fastens, the end of joystick is positioned at fastening lid, fasten lid and fixing ring gear acts on jointly, joystick is carried out spacing, joystick cannot depart from, owing to locking and fixing device and fixture connect, fixture remains stationary as, then the position of joystick cannot rotate, and then realize gear and cannot rotate relative to fixture, the position making gear and tooth bar is fixed, maintain the Stability Analysis of Structures of transfer device, avoid cause under the action of gravity of tapping machine body to drop, effectively reduce potential safety hazard.

Further, the step surface of described shoulder hole is provided with ring-type expansion slot, and one end away from described gear of described joystick is stretched in described expansion slot.

If the length of joystick is longer, the end of joystick may prop up, after stretching in fastening covers, the step surface fastening lid, causes fastening lid cannot fit tightly with fixing ring gear, and then causes locking and fixing device instability.After being provided with expansion slot in shoulder hole, even if turning handle is longer, its end also can be stretched in expansion slot, and fastening lid can fit tightly with the sidewall of fixing ring gear, and structure is more stable, effectively reduces potential safety hazard.

Compared with prior art, the beneficial effects of the utility model are: by being arranged on tapping machine body by transfer device and rotating joystick, make tapping machine body lifting, tapping machine body departs from ground and walking part contact ground, promote tapping machine body to move it, thus change its position, it is only necessary to manually installed operation can realize, simple to operation, position transfer can be carried out whenever and wherever possible, by site surrounding affected less.

Accompanying drawing explanation

The boring machine schematic diagram that Fig. 1 provides for this utility model embodiment；

Fig. 2 is the base partial sectional view of Fig. 1；

Fig. 3 is the fixture annexation schematic diagram with the part that hoists of Fig. 1；

Fig. 4 is the right view of the fixture of Fig. 1；

Fig. 5 is the sectional view of Fig. 4；

Fig. 6 is the mechanism's sectional view that is locked of Fig. 5；

Fig. 7 is the half schematic diagram of Fig. 4；

Fig. 8 is the rod schematic representation of Fig. 4；

Fig. 9 is the quantity regulating part schematic diagram of Fig. 1；

Figure 10 is the close-up schematic view of Fig. 9；

Figure 11 is half-nut and the annexation schematic diagram of walking part of Fig. 9.

Tapping machine body 101；Base 102；Leg 103；Groove 104；First blind hole 105；Hoist part 106；Fixture 107；Walking part 108；Embed groove 109；Projection 110；Through hole 111；Rod member 112；Gear 113；Joystick 114；Fixed plate 115；Tooth bar 116；Roller 117；Half 118；Second blind hole 119；Active section 122；Handle section 123；First back-moving spring 124；Lock slots 125；Lead-over groove 126；Action groove 127；Quantity regulating part 128；Housing 129；Screw mandrel 130；Half-nut 131；Support plate 132；Turning handle 133；Insert port 134；Rotate mouth 135；Positioning port 136；Be locked mechanism 137；Fixing ring gear 138；Fasten lid 139；Second back-moving spring 140；Positioning section 141；Expansion slot 142；U-shaped groove 143.

Detailed description of the invention

In order to make the problems referred to above be improved, this utility model provides a kind of tapping machine, and including tapping machine body and at least two transfer device, the bottom of tapping machine body is base, the two bottom sides of base is provided with groove, and the top of base is provided with first blind hole corresponding with groove；Each transfer device includes hoist part, two fixtures and at least two walking part, the inside of fixture is the embedding groove of " u "-shaped, one of them sidewall of fixture be internally provided with projection, another one sidewall is provided with through hole, it is equipped with rod member in through hole, the sidewall of fixture rotates and is provided with gear；The part that hoists includes fixed plate, and the two ends, left and right of fixed plate are respectively embedded in the embedding groove of two fixtures, and the side of fixed plate is vertically provided with tooth bar, and rack and pinion engages.By transfer device being arranged on tapping machine body and rotating joystick, make tapping machine body lifting, tapping machine body departs from ground and walking part contact ground, tapping machine body is promoted to move it, thus change its position, only need manually installed operation to realize, simple to operation, position transfer can be carried out whenever and wherever possible, by site surrounding affected less.

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.

Therefore, the detailed description to the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model below, but is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.

It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.

In description of the present utility model, it should be noted that, term " " center ", on " ", D score, " left ", " right ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation usually put or position relationship when using, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing, and it is not intended that indicate or hint relative importance.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " is arranged ", " installation ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.

The boring machine schematic diagram that Fig. 1 provides for this utility model embodiment；Fig. 2 is the base partial sectional view of Fig. 1；Fig. 3 is the fixture annexation schematic diagram with the part that hoists of Fig. 1；Fig. 4 is the right view of the fixture of Fig. 1；Fig. 5 is the sectional view of Fig. 4；Fig. 6 is the mechanism's sectional view that is locked of Fig. 5；Fig. 7 is the half schematic diagram of Fig. 4；Fig. 8 is the rod schematic representation of Fig. 4；Fig. 9 is the quantity regulating part schematic diagram of Fig. 1；Figure 10 is the close-up schematic view of Fig. 9；Figure 11 is half-nut and the annexation schematic diagram of walking part of Fig. 9.

As Figure 1-Figure 11, this utility model embodiment provides a kind of tapping machine, including tapping machine body 101 and at least two transfer device.

As shown in Figure 1 and Figure 2, the bottom of tapping machine body 101 is base 102, base 102 projection in the horizontal plane can be rectangle, it is provided with leg 103 at the corner, bottom of base 102, gap is there is between base 102 and ground, the two bottom sides of base 102 is provided with groove 104, the top of base 102 is provided with first blind hole 105 corresponding with groove 104, the quantity of the first blind hole 105 is preferably two or three, correspondence herein is that position is the most corresponding, is not to say that the two exists mutual annexation etc.；The leg 103 of tapping machine body 101 makes to exist between bottom surface and the ground of base 102 gap, convenient can be arranged on base 102 by fixture 107 when mobile tapping machine.

nullAs shown in Figure 1，The quantity of transfer device preferably two and be separately positioned on left side and the right side of base 102，Each transfer device includes the part 106 that hoists、Two fixtures 107 and walking part 108，It is preferably two walking parts 108 herein，If necessary，Can increase，As shown in Figure 3-Figure 5，Fixture 107 be internally provided with horizontal U-shaped groove 143，The embedding groove 109 that the side away from base 102 of fixture 107 is vertically provided with，U-shaped groove 143 and embedding groove 109 refer to run through the groove of fixture 107，Its cross section is U-shaped，Base 102 can embed in U-shaped groove 143，One of them sidewall of U-shaped groove 143 be internally provided with the projection 110 that can embed in groove 104，Another one sidewall is provided with through hole 111，The diapire of groove 104 and the end face of projection 110 are plane，And the length of groove 104 is more than the length of projection 110，The rod member 112 that can embed in the first blind hole 105 it is equipped with in through hole 111，By making projection 110 slide in groove 104，Make rod member 112 corresponding from the first different blind holes 105，Thus adjust the spacing between two fixtures，Adapt to the part 106 that hoists of different in width，Embed to rotate on the sidewall of groove 109 and be provided with gear 113，The rotational axis line of gear 113 is arranged along the length direction of U-shaped groove 143，It is provided with on fixture 107 for controlling the joystick 114 that gear 113 rotates.

As shown in Figure 1, Figure 3, the part 106 that hoists includes fixed plate 115, and the two ends, left and right of fixed plate 115 are respectively embedded in the embedding groove 109 of two fixtures 107, and the side of fixed plate 115 is vertically provided with tooth bar 116, tooth bar 116 engages with gear 113, and walking part 108 is arranged in fixed plate 115.Miscellaneous part in order to make gear 113 not affect in fixed plate normally works, and fixed plate 115 can be designed to I-shaped.

During installation, the U-shaped groove 143 of fixture 107 is directed at base 102 and snaps in, adjust the position of fixture 107, make projection 110 corresponding with groove 104 and move up fixture 107, projection 110 snaps in groove 104, now, the diapire of U-shaped groove 143 and one of them sidewall fit tightly with base 102, gap is there is between the end face of another one sidewall and base 102, adjust the position of rod member 112, making rod member 112 embed in the first blind hole 105, projection 110 and rod member 112 act on jointly to be clamped base 102, and the position of fixture 107 is fixed.The both sides of base 102 are required to use transfer device, in order to make tapping machine body 101 can hoist and keep balance.

Fixed plate 115 is vertically placed and puts into from the top embedding groove 109, tooth bar 116 engages with gear 113, press down on fixed plate 115, tooth bar 116 driven gear 113 rotates, i.e. fixed plate 115 moves downward along embedding groove 109, until walking part 108 contacts with ground, walking part 108 can be directional wheel, universal wheel etc., it is of course also possible to make tooth bar 116 decline by hand-turning gear 113 etc..

Gear 113 is made to rotate by joystick 114, owing to the height of tooth bar 116 is constant, then gear 113 rises along tooth bar 116, i.e. fixture 107 and tapping machine body 101 rises overally, and after lifting process completes, is fixed by joystick 114, gear 113 no longer rotates, after tapping machine body 101 and ground disengage, only have walking part 108 and contact with ground and can walk, thus realize the movement of tapping machine position.In order to make tapping machine body 101 the most smoothly rise, the gear 113 that can make multiple transfer device rotates simultaneously, certainly, two gears 113 in one transfer device can rotate simultaneously, one of them can also be only made to rotate, in fixed plate 115 uphill process, tooth bar 116 drives another one gear 113 to rotate.In order to make fixed plate 115 to stablize, gear 113 can be two, and one of them is driving link, and another one rotates under the drive of tooth bar 114, it is of course also possible to make the part being not provided with gear 113 of embedding groove 109 fit with fixed plate.

Preferred version as this embodiment, rotate on the sidewall of fixture 107 and be provided with the roller 117 that at least two is vertically arranged side by side, the quantity of roller 117 is preferably two, gear 113 is separately positioned on roller 117 on the relative sidewall embedding groove 109, the rotational axis line of gear 113 is parallel with the rotational axis line of roller 117 and is positioned at horizontal plane, the side away from gear 113 of fixed plate 115 contacts with roller 117, when fixed plate 115 moves up and down, roller 117 can roll in fixed plate 115.

Roller 117 rolls in fixed plate 115 so that the fixed plate 115 slip in embedding groove 109 is more smooth and easy, reduces frictional resistance, reduces abrasion, is effectively improved the service life of transfer device.

The mechanism of rod member 112 is varied, stretching in the first blind hole 105 as long as being capable of rod member 112, jointly being acted on by projection 110 and rod member 112 and being stepped up by base 102, and such as, the structure of rod member 112 and through hole 111 can use but be not limited to following scheme:

The first scheme, through hole 111 is screwed hole, rod member 112 is bolt, rod member 112 is threaded engagement with through hole 111, and screwed hole cooperates with bolt, when needs fixed disassembly part 107, only need to screw bolt, structure, operating relatively simple, but the rotating cycle of bolt is more, more bothers during operation.

As shown in Figure 7, another implementation as this embodiment, fixture 107 is made up of two half removably connected 118, preferably, removably connected by bolt between two half 118, bolt makes the dismounting between two half 118 very convenient, manufactures installation cost relatively low, Stability Analysis of Structures, is effectively improved work efficiency.

As shown in Figure 7, the relative sidewall of two half 118 is provided with semi-cylindrical groove, semi-cylindrical groove in two half 118 can form through hole 111, and the sidewall of one of them semi-cylindrical groove is provided with the second blind hole 119, arranges extrusion spring and depression bar in the second blind hole 119；

As shown in Fig. 4, Fig. 8, rod member 112 is stepped round bar, and rod member 112 includes active section 122 and handles section 123, handles the diameter diameter more than active section 122 of section 123, handling and be provided with the first back-moving spring 124 between section 123 and fixture 107, active section 122 is slidably arranged in through hole 111.

As shown in Figure 8, it is provided with chute on the sidewall of active section 122, chute includes lock slots 125, lead-over groove 126 and the action groove 127 that head and the tail connect successively, lock slots 125 horizontally set, action groove 127 is vertically arranged, and the degree of depth of lock slots 125 is gradually reduced to the other end by the one end near lock slots 125 more than the degree of depth of action groove 127, the degree of depth of lead-over groove 126, one end degree of depth of lead-over groove 126 is identical with the degree of depth of lock slots 125, and the other end degree of depth of lead-over groove 126 is identical with the degree of depth of action groove 127.

When pressing down on manipulation section 123, the first back-moving spring 124 compresses, and depression bar slides along action groove 127 and enters in lock slots 125 under the thrust of extrusion spring, and now, active section 122 is along through hole 111 slide downward and stretches in the first blind hole 105；Revolving rod 112 make depression bar slide into lead-over groove 126 along lock slots 125 in after, the first back-moving spring 124 promotes rod member 112 to rise, in depression bar slides along lead-over groove 126 and enters action groove 127 and make extrusion spring compress.

It is to place extrusion spring and depression bar in the second blind hole 119 and making depression bar prop up chute that two half 118 form a fixture 107, two half 118 is fixed after being placed on by rod member 112 in through hole 111.Extrusion spring can apply certain active force to depression bar, makes depression bar prop up chute and can be along with the degree of depth generation change in location of chute all the time.After the position of fixture 107 is fixed and projection 110 embeds in groove 104, the manipulation section 123 of pressing rod member 112, rod member 112 moves downward in through hole 111, now, depression bar can slide in action groove 127, the state of extrusion spring is constant, until depression bar arrives in lock slots 125, extrusion spring promotes depression bar to prop up lock slots 125, depression bar makes rod member 112 cannot continue to move downward and also cannot depart from the first blind hole 105, and between projection 110 and groove 104, between rod member 112 and the first blind hole 105, common effect makes fixture 107 be fixed on base 102.The most optimal state is the bottom that rod member 112 props up the first blind hole 105, and certainly, this is not absolute, even if rod member 112 does not prop up the bottom of the first blind hole 105, due to the effect of tapping machine self gravitation, fixture 107 still can be made to be fixed on base 102.

When needing to unload fixture 107, it is only necessary to making rod member 112 rotate around Pivot Point Center line by manipulatable end, depression bar can be made to slide in lead-over groove 126, then under the effect of the first back-moving spring 124, rod member 112 moves upward thus departs from the first blind hole 105.This structure makes fixture 107 can be securely fixed on base 102, fixing after structure relatively stable, and install, dismounting etc. very convenient, effectively reduce labor intensity, improve work efficiency.

Such as Fig. 1, shown in Fig. 9-Figure 11, preferred version as this embodiment, it is connected by quantity regulating part 128 between fixed plate 115 with walking part 108, quantity regulating part 128 includes housing 129, screw mandrel 130 and half-nut 131, half-nut 131 is semi-circular, the central angle of half-nut 131 is less than or equal to 180 °, housing 129 is tubular and the side being arranged on fixed plate 115, preferably, support plate 132 it is provided with on housing 129, support plate 132 is fitted with fixed plate 115 and is removably connected by bolt, by bolt, support plate 132 and fixed plate 115 are connected, the dismounting of housing 129 is easier；It is internal that screw mandrel 130 is rotatably supported in housing 129, one end of screw mandrel 130 is provided with turning handle 133, it is preferable that the two ends of screw mandrel 130 all by bearing rotating support in housing 129, bearing makes the rotation of screw mandrel 130 more smooth and easy, reduces frictional resistance and frictional dissipation.

As shown in Figure 10, the sidewall of housing 129 includes the insert port 134 being sequentially communicated, rotates mouth 135 and positioning port 136, insert port 134 is positioned at top or the oblique upper of housing 129, in order to make insert port 134 size the most suitable, the central angle of half-nut 131 can be made less than 90 °, rotating circumferentially disposed along housing 129 of mouth 135, positioning port 136 is arranged on the bottom of housing 129 along the axial direction of housing 129；Rotate mouth 135 and refer to the bar hole that insert port 134 connected with positioning port 136, and non-self can rotate, play the effect of transition.

Half-nut 131 is connected by connecting rod is fixing with walking part 108, in half-nut 131 can stretch into housing 129 through insert port 134 and engage with screw mandrel 130, the width of the width and positioning port 136 that rotate mouth 135 is respectively less than the length of half-nut 131, when making walking part 108 wire winding rod 130 rotate, connecting rod is through rotating mouth 135 and entering in positioning port 136, when connecting rod is positioned at positioning port 136, half-nut 131 is between the inwall of screw mandrel 130 and housing 129, during rotary screw rod 130, half-nut 131 can slide in housing 129 along the direction, axial line place of screw mandrel 130.

Half-nut 131 can be half nut, it is also possible to be less than the nut of half, is to unload from screw mandrel 130.It is normally to work to not affect other walking part 108 when dismounting walking part 108 that insert port 134 is positioned at the oblique upper of housing 129, particularly as follows: in order to make walking part 108 be positioned at the bottom of housing 129, positioning port 136 must be positioned at the bottom of housing 129, if insert port 134 to be set directly at the bottom of housing 129, cancel and rotate mouth 135 and make insert port 134 directly connect with positioning port 136, then when installing walking part 108, base 102 must be lifted and just can install, be difficult in actual use.And insert port 134 is placed on the oblique upper of housing 129, then can be in the case of not affecting other walking part 108 work, half-nut 131 is put into housing 129 by tea entrance, walking part 108 is positioned at the outside of housing 129, when the axial line making walking part 108 wire winding rod 130 rotates, half-nut 131 engages with screw mandrel 130, connecting rod is slided along rotating mouth 135, change the position of walking part 108, until connecting rod arrives in positioning port 136, now walking part 108 contacts with ground, then walking part 108 is made to move along the direction of positioning port 136 by rotary screw 130, realize the installation of walking part 108 quantity, unloading process is in contrast.Certainly, if half-nut 131 arrives the end of screw mandrel 130, then screw mandrel 130 cannot be rotated further, can only rotate backward, in order to make this problem be improved, both can increase the length of screw mandrel 130, make to there is a certain distance between the end of half-nut 131 and screw mandrel 130, can also arrange conveying end etc. at the end of housing 129, conveying end can be similar with the set-up mode of insert port 134, can also use the structure similar with rotating mouth 135 structure between conveying end and positioning port 136.

nullSuch as Fig. 5、Shown in Fig. 6，Preferred version as this embodiment，Fixture 107 also includes the mechanism 137 that is locked，The mechanism 137 that is locked includes fixing ring gear 138、Fasten lid 139 and the second back-moving spring 140，One end of fixture 107 is provided with the positioning section 141 of tubulose，Fixing ring gear 138 and fastening lid 139 are arranged at the outsides of positioning section 141，Second back-moving spring 140 is set in the outside of positioning section 141，The two ends of the second back-moving spring 140 are respectively held against fixture 107 and fasten lid 139，The outer circumference face of fixing ring gear 138 is provided with embedded groove，Joystick 114 is rotationally connected with gear 113，Joystick 114 can turn to embed in embedded groove，Fasten lid 139 and be provided with shoulder hole，The maximum inner diameter of shoulder hole is more than the external diameter of fixing ring gear 138，The minimum diameter of shoulder hole is less than the external diameter of fixing ring gear 138，The step surface fastening lid 139 can prop up fixing ring gear 138 under the effect of the second back-moving spring 140，Joystick 114 can extend into fasten and covers in 139 and fixing under fastening the effect of lid 139 and embedded groove.

After using transfer device by tapping machine body 101 lifting, due to the action of gravity of tapping machine body 101, fixture 107 has the trend moved downward, i.e. gear 113 it may happen that rotate, so that tapping machine body 101 drops, causes potential safety hazard.Therefore, using locking and fixing device to be fixed joystick 114, after the position of joystick 114 is fixing, gear 113 cannot rotate, and therefore, gear 113 position relative with tooth bar 116 keeps constant, it is to avoid tapping machine body 101 drops.Locking and fixing device can also use ratchet structure etc..

The concrete locking mode of locking and fixing device is: after completing the position adjustments of tapping machine body 101, joystick 114 is kept to fix, pull fastening lid 139, fastening lid 139 is directed away from the directions of fixing ring gear 138 and moves, second back-moving spring 140 compresses, fixing ring gear 138 exposes, the structure of fixing ring gear 138 is referred to fluted disc etc., the periphery i.e. fixing ring gear 138 has multiple embedded groove, rotate joystick 114, the angle between the axial line of turning handle 133 and the axial line of gear 113 is made to gradually change, until one end away from pin joint of turning handle 133 is embedded in embedded groove.Then fastening lid 139 is unclamped, second back-moving spring 140 promotes and fastens lid 139 near fixing ring gear 138, fixing ring gear 138 is surrounded by the final lid 139 that fastens, the end of joystick 114 is positioned at fastening lid 139, fasten lid 139 and fixing ring gear 138 acts on jointly, joystick 114 is carried out spacing, joystick 114 cannot depart from, owing to locking and fixing device and fixture 107 connect, fixture 107 remains stationary as, then the position of joystick 114 cannot rotate, and then realize gear 113 and cannot rotate relative to fixture 107, the position making gear 113 and tooth bar 116 is fixed, maintain the Stability Analysis of Structures of transfer device, avoid cause under the action of gravity of tapping machine body 101 to drop, effectively reduce potential safety hazard.

As shown in Figure 6, it is preferable that the step surface of shoulder hole is provided with ring-type expansion slot 142, one end away from gear 113 of joystick 114 is stretched in expansion slot 142.

If the length of joystick 114 is longer, the end of joystick 114 is stretched into after fastening covers in 139 may prop up the step surface fastening lid 139, and causing fastening to cover 139 cannot fit tightly with fixing ring gear 138, and then causes locking and fixing device unstable.After being provided with expansion slot 142 in shoulder hole, even if turning handle 133 is longer, its end also can be stretched in expansion slot 142, and fastening lid 139 can fit tightly with the sidewall of fixing ring gear 138, and structure is more stable, effectively reduces potential safety hazard.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims

1. a tapping machine, it is characterised in that including:

Tapping machine the most according to claim 1, it is characterized in that, rotate on the sidewall of described fixture and be provided with the roller that at least two is vertically arranged side by side, described gear is separately positioned on described roller on the relative sidewall of described embedding groove, the rotational axis line of described gear is parallel with the rotational axis line of described roller, the side away from described gear of described fixed plate and described roller contact, when described fixed plate moves up and down, described roller can roll in described fixed plate.

Tapping machine the most according to claim 1, it is characterized in that, described fixture is made up of two half removably connected, the relative sidewall of two described half is provided with semi-cylindrical groove, described semi-cylindrical groove in two described half can form described through hole, the sidewall of one of them described semi-cylindrical groove is provided with the second blind hole, arranges extrusion spring and depression bar in described second blind hole；

Tapping machine the most according to claim 3, it is characterised in that removably connected by bolt between two described half.

Tapping machine the most according to claim 1, it is characterised in that described through hole is screwed hole, described rod member is bolt, and described rod member engages with described through hole whorl.

Tapping machine the most according to claim 1, it is characterized in that, it is connected by quantity regulating part between described fixed plate with described walking part, described quantity regulating part includes housing, screw mandrel and half-nut, described half-nut is semi-circular, and the central angle of described half-nut is less than or equal to 180 °, and described housing is tubular and the side being arranged on described fixed plate, described screw mandrel is rotatably supported in described enclosure interior, and one end of described screw mandrel is provided with turning handle；

Tapping machine the most according to claim 6, it is characterised in that the two ends of described screw mandrel all by bearing rotating support in described housing.

Tapping machine the most according to claim 6, it is characterised in that be provided with support plate on described housing, described support plate is fitted with described fixed plate and is removably connected by bolt.

nullTapping machine the most according to claim 1，It is characterized in that，Described fixture also includes the mechanism that is locked，The described mechanism that is locked includes fixing ring gear、Fasten lid and the second back-moving spring，One end of described fixture is provided with the positioning section of tubulose，Described fixing ring gear and described fastening lid are arranged at the outside of described positioning section，Described second back-moving spring is set in the outside of described positioning section，The two ends of described second back-moving spring are respectively held against described fixture and described fastening lid，The outer circumference face of described fixing ring gear is provided with embedded groove，Described joystick is connected with described pinion rotation，Described joystick can turn to embed in described embedded groove，Described fastening lid is provided with shoulder hole，The maximum inner diameter of described shoulder hole is more than the external diameter of described fixing ring gear，The minimum diameter of described shoulder hole is less than the external diameter of described fixing ring gear，The described step surface fastening lid can prop up described fixing ring gear under the effect of described second back-moving spring，Described joystick can extend into described fastening and covers interior and fix under the described effect fastening lid and described embedded groove.

Tapping machine the most according to claim 9, it is characterised in that the step surface of described shoulder hole is provided with ring-type expansion slot, one end away from described gear of described joystick is stretched in described expansion slot.