CN205271052U - Threading apparatus - Google Patents

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

The utility model relates to machining tool field, specifically, it relates to a kind of tapping machine.

Background technology

Tapping machine is with a kind of lathe of 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 formation is divided into bench tapping machine, semi-automatic bench tapping machine, vertical tapping machine and horizontal tapping machine.

For the tapping machine of the types such as bench tapping machine, in use may needing to carry out position and move, prior art is all adopt the equipment such as fork truck to shift, this kind of mobile mode is comparatively loaded down with trivial details, and, in mechanical workout place, moving space very little, fork truck is difficult to use.

Practical novel content

The utility model provides a kind of tapping machine, and the problems referred to above are improved.

The utility model is achieved in that

A kind of tapping machine, comprising:

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

At least two transfer devices, described in each, transfer device comprises the part that hoists, two mounting blocks and at least two walking parts, the inside of described mounting block is provided with horizontal U shape groove, the side away from described base of described mounting block is erected to being provided with embedding groove, described base can embed in described U shape groove, the inside of one of them sidewall of described U shape groove is provided with the projection that can embed in described groove, another one sidewall is provided with through hole, the rod member that can embed in described first blind hole it is equipped with in described through hole, the end face of described projection is conical surface and corresponding with the conical surface of described groove, the sidewall of described embedding groove rotates and is provided with gear, the rotational axis line of described gear is arranged along the length direction of described U shape groove, described mounting block is provided with the pilot lever rotated for controlling described gear,

The described part that hoists comprises retaining plate, the two ends, left and right of described retaining plate embed in the described embedding groove of two described mounting blocks respectively, the side of described retaining plate is erected to being provided with tooth bar, described tooth bar and described gears meshing, and described walking part is arranged on described retaining 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 mounting block when mobile tapping machine. During installation, by the U shape groove of mounting block alignment base and block into, the position of adjustment mounting block, makes projection corresponding with groove and the mounting block that moves up, projection card enters in groove, now, the diapire of U shape groove fits tightly with one of them sidewall and base, there is gap between another one sidewall and the end face of base, the position of adjustment rod member, making rod member embed in the first blind hole, base is clamped by projection and rod member acting in conjunction, and the position of mounting block is fixed. The both sides of base all need to use transfer device, so that enabling tapping machine body hoist and keep balance.

Embed groove and refer to the groove running through mounting block, its cross section is U shape, being erected by retaining plate to placing and put into from the top embedding groove, tooth bar and gears meshing, press retaining plate downwards, rack drives gear rotates, namely along embedding, groove moves downward retaining plate, until walking part contact with ground, part of walking can be directional wheel, universal take turns, certainly, it is also possible to by hand-turning gear etc., tooth bar is declined.

By pilot lever, gear is rotated, owing to the height of tooth bar is constant, then gear rises along tooth bar, namely mounting block and tapping machine body rise overally, and pilot lever is fixed after completing by lifting process, gear no longer rotates, after tapping machine body and ground disengage, only there is walking part to contact with ground and can walk, thus realize the movement of tapping machine position. In order to make tapping machine body rise comparatively steadily, it is possible to make the gear of multiple transfer device rotate, certainly simultaneously, two gears in a transfer device can rotate simultaneously, can also only making one of them rotate, in retaining plate uphill process, rack drives another one gear rotates.

Further, the sidewall of described mounting block rotates and is provided with at least two and erects to the roller being 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 retaining plate contacts with described roller, when described retaining plate moves up and down, described roller can roll on described retaining plate.

Roller rolls on retaining plate so that retaining plate is more smooth and easy in the slip embedded in groove, reduces friction resistance, reduces abrasion, effectively improves the work-ing life of transfer device.

Further, described mounting block is made up of the half that two removably connect, 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 semi-cylindrical groove described in one of them is provided with the 2nd blind hole, arranges extrusion spring and depression bar in described 2nd blind hole;

Described rod member is ladder shape circle bar, described rod member comprises working zone and handles section, the diameter of described manipulation section is greater than the diameter of described working zone, is provided with the first return spring between described manipulation section and described mounting block, and described working zone is slidably arranged in described through hole;

The sidewall of described working zone is provided with chute, described chute comprises lock slots, ramp pan and the action groove that head and the tail connect successively, described lock slots arranged transversely, described action groove erects to setting, the degree of depth of described lock slots is greater than the degree of depth of described action groove, the degree of depth of described ramp pan is reduced to the other end gradually by the one end near described lock slots, and one end degree of depth of described ramp pan is identical with the degree of depth of described lock slots, and the other end degree of depth of described ramp pan is identical with the degree of depth of described action groove;

Downwards during the described manipulation section of pressing, described first return spring compression, described depression bar slides along described action groove and enters in described lock slots under the thrust of described extrusion spring, and now, described working zone is along described through hole slide downward and stretches in described first blind hole; Rotating described rod member makes described depression bar slide into after in described ramp pan along described lock slots, and described 2nd return spring promotes described rod member to rise, and described depression bar slides along described ramp pan and enters in described action groove and described extrusion spring is compressed.

Two half form a mounting block to be to place extrusion spring and depression bar in the 2nd blind hole and makes depression bar support chute, two half is fixed after being placed in through hole by rod member. Depression bar can be applied certain reactive force by extrusion spring, make depression bar all the time support live chute and can along with the degree of depth generation change in location of chute. When the position of mounting block is fixed and projection embeds after 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 support lock slots, and depression bar makes rod member cannot continue to move downward and also cannot depart from the first blind hole, and between projection and groove, between rod member and the first blind hole, acting in conjunction makes mounting block be fixed on base. Now best state is the bottom that rod member supports the first blind hole, and certainly, this is not absolute, even if rod member does not support the bottom of the first blind hole, due to the effect of tapping machine self gravitation, mounting block still can be made to be fixed on base.

When needing to unload mounting block, only needing by manipulatable end, rod member to be rotated around Pivot Point Center line, depression bar can be made to slide in ramp pan, then under the effect of the first return spring, rod member upwards moves thus departs from the first blind hole. This kind of structure makes mounting block can be securely fixed on base, and the structure after fixing is comparatively stable, and install, dismounting etc. very convenient, effectively reduce labour intensity, it is to increase working efficiency.

Further, removably connected by bolt between two described half.

Bolt makes the dismounting between two half very convenient, and making and installation cost is lower, Stability Analysis of Structures, effectively increases work efficiency.

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

Threaded hole and bolt cooperatively interact, and when needs fixed disassembly part, only need to screw bolt, and structure, operation are comparatively simple, but the rotating cycle of bolt is more.

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

The sidewall of described housing comprises the insert port, rotation mouth and the positioning port that are connected successively, described insert port is positioned at top or the oblique upper of described housing, the circumference setting of housing described in described rotation opening's edge, described positioning port is arranged on the bottom of described housing along the axial direction due of described housing;

Described half nut is fixedly connected with by union lever with described walking part, described half nut can pass described insert port and stretch in described housing and engage with described screw mandrel, the width of described rotation mouth and the width of described positioning port are all less than the length of described half nut, make described walking part when described screw mandrel rotates, described union lever is through described rotation mouth and enters in described positioning port, when described union lever is positioned at described positioning port, described half nut is between described screw mandrel and the inwall of 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 the nut being less than half, is to unload from screw mandrel. It is the walking part normal operation in order to not affect other when dismounting walking part that insert port is positioned at the oblique upper of housing, it is specially: 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 being set directly at the bottom of housing, cancel and rotate mouth and insert port is directly connected with positioning port, then when installing walking part, it is necessary to lifted by base and just can install, it is difficult in actual use realize. And insert port is placed on the oblique upper of housing, then can when not affecting other walking part and work, half nut is put into housing by tea entrance, walking part is positioned at the outside of housing, when the axial line of walking part wire winding rod is rotated, half nut engages with screw mandrel, union lever slides along rotation mouth, change the position of walking part, until union lever arrives in positioning port, part of now walking contacts with ground, then by rotary screw, walking part is moved along the direction of positioning port, 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 improve, both can increase the length of screw mandrel, make to exist between half nut and the end of screw mandrel certain distance, can also arranging conveying end etc. at the end of housing, the set-up mode of conveying end and insert port can be similar, can also adopt 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 friction resistance and frictional dissipation.

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

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

Further, also comprise the mechanism that is locked, the described mechanism that is locked comprises fixing ring gear, button closing lid and the 2nd return spring, one end of described mounting block is provided with the positioning section of tubulose, described fixing ring gear and described button closing lid are all arranged on the outside of described positioning section, described 2nd return spring is set in the outside of described positioning section, the two ends of described 2nd return spring are supported residence respectively and are stated mounting block and described buckle closing lid, the outer circumference face of described fixing ring gear is provided with embedding groove, described pilot lever and described gear are rotationally connected, described pilot lever can turn to and embed in described embedding groove, described button closing lid is provided with ladder hole, the maximum inner diameter in described ladder hole is greater than the external diameter of described fixing ring gear, the minimum diameter in described ladder hole is less than the external diameter of described fixing ring gear, the step surface of described button closing lid can support residence under the effect of described 2nd return spring and state fixing ring gear, described pilot lever can stretch in described button closing lid and fixing under the effect of described button closing lid and described embedding groove.

After using transfer device by tapping machine body lifting, due to the action of gravity of tapping machine body, mounting block has the trend moved downward, and namely gear may rotate, thus tapping machine body is dropped, and causes potential safety hazard. , it may also be useful to pilot lever is fixed by locking and fixing device, therefore, after the position of pilot lever is fixing, gear cannot rotate, and therefore, the relative position of gear and tooth bar remains unchanged, and avoids tapping machine body to drop. Locking and fixing device can also adopt ratchet structure etc.

The concrete locking mode of locking and fixing device is: after the position adjustments of tapping machine body being completed, retentive control handle is fixed, pull button closing lid, button closing lid moves towards the direction away from fixing ring gear, 2nd return spring compression, fixing ring gear exposes, the structure of fixing ring gear can with reference to fluted disc etc., namely the circumference mask fixing ring gear has multiple embedding groove, rotate pilot lever, angle between the axial line of rotation handle and the axial line of gear is gradually changed, embeds in groove until the one end away from pin joint rotating handle is embedded in. then button closing lid is unclamped, 2nd return spring promotes buckles closing lid near fixing ring gear, fixing ring gear is surrounded by final button closing lid, the end of pilot lever is positioned at button closing lid, button closing lid and fixing ring gear acting in conjunction, pilot lever is carried out spacing, pilot lever cannot depart from, owing to locking and fixing device and mounting block connect, mounting block keeps not moving, then the position of pilot lever cannot rotate, and then realize gear and cannot rotate relative to mounting block, the position of gear and tooth bar is fixed, maintain the Stability Analysis of Structures of transfer device, that avoids causing under the action of gravity of tapping machine body drops, effectively reduce potential safety hazard.

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

If the length of pilot lever is longer, the step surface that may support button closing lid after in button closing lid is stretched in the end of pilot lever, causes button closing lid cannot fit tightly with fixing ring gear, and then causes locking and fixing device unstable. After being provided with expansion slot in ladder hole, even if it is longer to rotate handle, its end also can be stretched in expansion slot, and button closing 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 transfer device being arranged on tapping machine body and rotate pilot lever, 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, only need artificial installation operation to realize, simple to operation, position transfer can be carried out whenever and wherever possible, the site surrounding being subject to impact less.

Accompanying drawing explanation

The drilling machine schematic diagram that Fig. 1 provides for the utility model embodiment;

Fig. 2 is the base part sectioned view of Fig. 1;

Fig. 3 is the mounting block of Fig. 1 and the connection relation schematic diagram of the part that hoists;

Fig. 4 is the right view of the mounting block 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 partial enlargement schematic diagram of Fig. 9;

Figure 11 is half nut of Fig. 9 and the connection relation schematic diagram of walking part.

Tapping machine body 101; Base 102; Leg 103; Groove 104; First blind hole 105; Hoist part 106; Mounting block 107; Walking part 108; Embed groove 109; Projection 110; Through hole 111; Rod member 112; Gear 113; Pilot lever 114; Retaining plate 115; Tooth bar 116; Roller 117; Half 118; 2nd blind hole 119; Working zone 122; Handle section 123; First return spring 124; Lock slots 125; Ramp pan 126; Action groove 127; Quantity regulating part 128; Housing 129; Screw mandrel 130; Half nut 131; Support plate 132; Rotate handle 133; Insert port 134; Rotate mouth 135; Positioning port 136; Be locked mechanism 137; Fixing ring gear 138; Button closing lid 139; 2nd return spring 140; Positioning section 141; Expansion slot 142; U shape groove 143.

Embodiment

For the tapping machine of the types such as bench tapping machine, in use may needing to carry out position and move, prior art is all adopt the equipment such as fork truck to shift, this kind of mobile mode is comparatively loaded down with trivial details, and, in mechanical workout place, moving space very little, fork truck is difficult to use.

In order to make the problems referred to above improve, the utility model provides a kind of tapping machine, comprises tapping machine body and at least two transfer devices, and 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 comprises the part that hoists, two mounting blocks and at least two walking parts, the inside of mounting block is the embedding groove of " U " shape, the inside of one of them sidewall of mounting block is provided with projection, another one sidewall is provided with through hole, it is equipped with rod member in through hole, the sidewall of mounting block rotates and is provided with gear; The part that hoists comprises retaining plate, and the two ends, left and right of retaining plate embed in the embedding groove of two mounting blocks respectively, and the side of retaining plate is erected to being provided with tooth bar, tooth bar and gears meshing. By transfer device being arranged on tapping machine body and rotate pilot lever, 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 needing artificial installation operation to realize, simple to operation, can carry out position transfer whenever and wherever possible, the site surrounding being subject to impact is less.

For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but only represent selected embodiment of the present utility model. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.

It should be noted that: similar label and letter accompanying drawing below represents similar item, therefore, once a certain Xiang Yi accompanying drawing is defined, then do not need it carries out definition 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 side ", " right side ", " vertically ", " level ", " interior ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " outward " or position are closed, or this practicality novel product orientation usually put or position relation when using, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model. in addition, term " first ", " the 2nd ", " the 3rd " etc. are only for distinguishing description, and can not be interpreted as instruction 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 " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, such as, it is possible to be fixedly connected with, can also be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to particular case understands the concrete implication of above-mentioned term in the utility model.

The drilling machine schematic diagram that Fig. 1 provides for the utility model embodiment; Fig. 2 is the base part sectioned view of Fig. 1; Fig. 3 is the mounting block of Fig. 1 and the connection relation schematic diagram of the part that hoists; Fig. 4 is the right view of the mounting block 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 partial enlargement schematic diagram of Fig. 9; Figure 11 is half nut of Fig. 9 and the connection relation schematic diagram of walking part.

As Figure 1-Figure 11, the utility model embodiment provides a kind of tapping machine, comprises tapping machine body 101 and at least two transfer devices.

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, corner, the bottom place of base 102 is provided with leg 103, 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 generally adopts one, correspondence herein is that position is corresponding up and down, there is mutual connection relation etc. both being not; The leg 103 of tapping machine body 101 makes to there is gap between the bottom surface of base 102 and ground, conveniently can be arranged on base 102 by mounting block 107 when mobile tapping machine.

As shown in Figure 1, the quantity of transfer device is preferably two and be separately positioned on left side and the right side of base 102, each transfer device comprises the part 106 that hoists, two mounting blocks 107 and walking part 108, it is preferably two walking parts 108 herein, if necessary, can increase, as shown in Figure 3-Figure 5, the inside of mounting block 107 is provided with horizontal U shape groove 143, the side away from base 102 of mounting block 107 is erected to the embedding groove 109 being provided with, U shape groove 143 and embedding groove 109 refer to the groove running through mounting block 107, its cross section is U shape, base 102 can embed in U shape groove 143, the inside of one of them sidewall of U shape groove 143 is provided with the projection 110 that can embed in groove 104, another one sidewall is provided with through hole 111, the rod member 112 that can embed in the first blind hole 105 it is equipped with in through hole 111, embed the sidewall of groove 109 rotates and it is provided with gear 113, the rotational axis line of gear 113 is arranged along the length direction of U shape groove 143, mounting block 107 is provided with the pilot lever 114 for pinion 113 rotates. the diapire of groove 104 and the end face of projection 110 are conical surface, groove 104 can be made so completely corresponding with rod member 112, and then rod member 112 can accurately be embedded in groove 104.

As shown in Figure 1, Figure 3, the part 106 that hoists comprises retaining plate 115, and the two ends, left and right of retaining plate 115 embed in the embedding groove 109 of two mounting blocks 107 respectively, and the side of retaining plate 115 is erected to being provided with tooth bar 116, tooth bar 116 engages with gear 113, and walking part 108 is arranged on retaining plate 115. In order to other parts normal operation making gear 113 not affect on retaining plate, it is possible to retaining plate 115 to be designed to " work " font.

During installation, the U shape groove 143 of mounting block 107 is directed at base 102 and block into, the position of adjustment mounting block 107, make projection 110 corresponding with groove 104 and the mounting block 107 that moves up, projection 110 blocks in groove 104, now, the diapire of U shape groove 143 fits tightly with one of them sidewall and base 102, gap is there is between the end face of another one sidewall and base 102, the position of adjustment rod member 112, making rod member 112 embed in the first blind hole 105, base 102 is clamped by projection 110 and rod member 112 acting in conjunction, and the position of mounting block 107 is fixed. The both sides of base 102 all need to use transfer device, so that making tapping machine body 101 can hoist and keep balance.

Retaining plate 115 is erected to placing and put into from the top embedding groove 109, tooth bar 116 engages with gear 113, pressing retaining plate 115 downwards, tooth bar 116 driven gear 113 rotates, namely retaining plate 115 moves downward along embedding groove 109, until walking part 108 contact with ground, part 108 of walking can be directional wheel, universal take turns, certainly, it is also possible to by hand-turning gear 113 etc., tooth bar 116 is declined.

By pilot lever 114, gear 113 is rotated, owing to the height of tooth bar 116 is constant, then gear 113 rises along tooth bar 116, namely mounting block 107 and tapping machine body 101 rise overally, and after lifting process completes, are fixed by pilot lever 114, gear 113 no longer rotates, after tapping machine body 101 and ground disengage, only there is walking part 108 to contact with ground and can walk, thus realize the movement of tapping machine position. In order to make tapping machine body 101 rise comparatively steadily, the gear 113 of multiple transfer device can be made to rotate simultaneously, certainly, two gears 113 in a transfer device can rotate simultaneously, one of them can also be only made to rotate, in retaining plate 115 uphill process, tooth bar 116 drives another one gear 113 to rotate. In order to make retaining plate 115 stablize, gear 113 can be two, and one of them is driving link, and another one is rotated under the drive of tooth bar 114, certainly, it is possible to so that the part not arranging gear 113 embedding groove 109 is fitted with retaining plate.

As the preferred version of this embodiment, the sidewall of mounting block 107 rotates and is provided with at least two and erects to the roller 117 being arranged side by side, the quantity of roller 117 is preferably two, gear 113 is separately positioned on the relative sidewall embedding groove 109 with roller 117, 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 retaining plate 115 contacts with roller 117, when retaining plate 115 moves up and down, roller 117 can roll on retaining plate 115.

Roller 117 rolls on retaining plate 115 so that retaining plate 115 is more smooth and easy in the slip embedded in groove 109, reduces friction resistance, reduces abrasion, effectively improves the work-ing life of transfer device.

The mechanism of rod member 112 is varied, stretches in the first blind hole 105 as long as rod member 112 can be realized, is stepped up by base 102 by projection 110 and rod member 112 acting in conjunction, and such as, the structure of rod member 112 and through hole 111 can adopt but be not limited to following scheme:

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

As shown in Figure 7, as another implementation of this embodiment, mounting block 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, and making and installation cost is lower, Stability Analysis of Structures, effectively increases 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 in the 2nd blind hole the 119, two blind hole 119 and arranges extrusion spring and depression bar;

As shown in Fig. 4, Fig. 8, rod member 112 is ladder shape circle bar, and rod member 112 comprises working zone 122 and handles section 123, and the diameter handling section 123 is greater than the diameter of working zone 122, handling and be provided with the first return spring 124 between section 123 and mounting block 107, working zone 122 is slidably arranged in through hole 111.

As shown in Figure 8, the sidewall of working zone 122 is provided with chute, chute comprises lock slots 125, ramp pan 126 and the action groove 127 that head and the tail connect successively, lock slots 125 arranged transversely, action groove 127 erects to setting, the degree of depth of lock slots 125 is greater than the degree of depth of action groove 127, the degree of depth of ramp pan 126 is reduced to the other end gradually by the one end near lock slots 125, one end degree of depth of ramp pan 126 is identical with the degree of depth of lock slots 125, and the other end degree of depth of ramp pan 126 is identical with the degree of depth of action groove 127.

When section 123 is handled in pressing downwards, the first return spring 124 compresses, and depression bar slides along action groove 127 and enters under the thrust of extrusion spring in lock slots 125, and now, working zone 122 is along through hole 111 slide downward and stretches in the first blind hole 105; Revolving rod 112 makes depression bar slide into after in ramp pan 126 along lock slots 125, and the 2nd return spring 140 promotes rod member 112 to rise, and depression bar slides along ramp pan 126 and enters in action groove 127 and extrusion spring is compressed.

Two half 118 form a mounting block 107 to be to place extrusion spring and depression bar in the 2nd blind hole 119 and makes depression bar support chute, two half 118 is fixed after being placed on by rod member 112 in through hole 111. Depression bar can be applied certain reactive force by extrusion spring, make depression bar all the time support live chute and can along with the degree of depth generation change in location of chute. When the position of mounting block 107 is fixed and projection 110 embeds after 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 support 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, acting in conjunction makes mounting block 107 be fixed on base 102. Now best state is the bottom that rod member 112 supports the first blind hole 105, certainly, this is not absolute, even if rod member 112 does not have to the bottom living the first blind hole 105, due to the effect of tapping machine self gravitation, mounting block 107 still can be made to be fixed on base 102.

When needing to unload mounting block 107, only need by manipulatable end, rod member 112 to be rotated around Pivot Point Center line, depression bar can be made to slide in ramp pan 126, and then under the effect of the first return spring 124, rod member 112 upwards moves thus departs from the first blind hole 105. This kind of structure makes mounting block 107 can be securely fixed on base 102, and the structure after fixing is comparatively stable, and install, dismounting etc. very convenient, effectively reduce labour intensity, it is to increase working efficiency.

Such as Fig. 1, shown in Fig. 9-Figure 11, as the preferred version of this embodiment, it is connected by quantity regulating part 128 between retaining plate 115 with walking part 108, quantity regulating part 128 comprises 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 equals 180 ��, housing 129 is tubular and the side being arranged on retaining plate 115, preferably, housing 129 is provided with support plate 132, support plate 132 and retaining plate 115 are fitted and are removably connected by bolt, by bolt, support plate 132 and retaining plate 115 are connected, the dismounting of housing 129 is easier, it is inner that screw mandrel 130 is rotatably supported in housing 129, one end of screw mandrel 130 be provided with rotate handle 133, it may be preferred 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 friction resistance and frictional dissipation.

As shown in Figure 10, the sidewall of housing 129 comprises the insert port 134, rotation mouth 135 and the positioning port 136 that are connected successively, insert port 134 is positioned at top or the oblique upper of housing 129, in order to make insert port 134 size comparatively suitable, the central angle of half nut 131 can be made to be less than 90 ��, rotating the circumference setting of mouth 135 along housing 129, positioning port 136 is arranged on the bottom of housing 129 along the axial direction due of housing 129; Rotating mouth 135 refers to the bar hole that insert port 134 is connected with positioning port 136, and non-self can rotate, and plays the effect of transition.

Half nut 131 is fixedly connected with by union lever with walking part 108, half nut 131 can stretch in 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 all less than the length of half nut 131, when walking part 108 wire winding rod 130 is rotated, union lever is through rotating mouth 135 and enters in positioning port 136, when union lever is positioned at positioning port 136, half nut 131 is between screw mandrel 130 and the inwall of 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 the nut being less than half, is to unload from screw mandrel 130. it is walking part 108 normal operation in order to not affect other when dismounting walking part 108 that insert port 134 is positioned at the oblique upper of housing 129, it is specially: 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 being set directly at the bottom of housing 129, cancel and rotate mouth 135 and insert port 134 is directly connected with positioning port 136, then when installing walking part 108, base 102 must be lifted and just can install, be difficult in actual use realize. and insert port 134 is placed on the oblique upper of housing 129, then can when not affecting other walking part 108 and 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 of walking part 108 wire winding rod 130 is rotated, half nut 131 engages with screw mandrel 130, union lever slides along rotation mouth 135, change the position of walking part 108, until union lever arrives in positioning port 136, part 108 of now walking contacts with ground, then by rotary screw 130, walking part 108 is moved along the direction of positioning port 136, 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 improve, both can increase the length of screw mandrel 130, make to there is certain distance between half nut 131 and the end of screw mandrel 130, can also arranging conveying end etc. at the end of housing 129, the set-up mode of conveying end and insert port 134 can be similar, can also adopt and the structure rotating mouth 135 similar between conveying end and positioning port 136.

Such as Fig. 5, shown in Fig. 6, as the preferred version of this embodiment, mounting block 107 also comprises the mechanism 137 that is locked, the mechanism 137 that is locked comprises fixing ring gear 138, button closing lid 139 and the 2nd return spring 140, one end of mounting block 107 is provided with the positioning section 141 of tubulose, fixing ring gear 138 and button closing lid 139 are all arranged on the outside of positioning section 141, 2nd return spring 140 is set in the outside of positioning section 141, the two ends of the 2nd return spring 140 are supported mounting block 107 respectively and are buckled closing lid 139, the outer circumference face of fixing ring gear 138 is provided with embedding groove, pilot lever 114 and gear 113 are rotationally connected, pilot lever 114 can turn to and embed in groove, button closing lid 139 is provided with ladder hole, the maximum inner diameter in ladder hole is greater than the external diameter of fixing ring gear 138, the minimum diameter in ladder hole is less than the external diameter of fixing ring gear 138, the step surface of button closing lid 139 can support fixing ring gear 138 under the effect of the 2nd return spring 140, it is interior and fixing under button closing lid 139 with the effect embedding groove that pilot lever 114 can stretch into button closing lid 139.

After using transfer device by tapping machine body 101 lifting, due to the action of gravity of tapping machine body 101, mounting block 107 has the trend moved downward, and namely gear 113 may rotate, thus tapping machine body 101 is dropped, and causes potential safety hazard. , it may also be useful to pilot lever 114 is fixed by locking and fixing device, therefore, after the position of pilot lever 114 is fixing, gear 113 cannot rotate, and therefore, the relative position of gear 113 and tooth bar 116 remains unchanged, and avoids tapping machine body 101 to drop. Locking and fixing device can also adopt ratchet structure etc.

The concrete locking mode of locking and fixing device is: after the position adjustments of tapping machine body 101 being completed, retentive control handle 114 is fixed, pull button closing lid 139, button closing lid 139 moves towards the direction away from fixing ring gear 138, 2nd return spring 140 compresses, fixing ring gear 138 exposes, the structure of fixing ring gear 138 can with reference to fluted disc etc., namely the circumference mask fixing ring gear 138 has multiple embedding groove, rotate pilot lever 114, angle between the axial line of rotation handle 133 and the axial line of gear 113 is gradually changed, embed in groove until the one end away from pin joint rotating handle 133 is embedded in. then button closing lid 139 is unclamped, 2nd return spring 140 promotes buckles closing lid 139 near fixing ring gear 138, fixing ring gear 138 is surrounded by final button closing lid 139, the end of pilot lever 114 is positioned at button closing lid 139, button closing lid 139 and fixing ring gear 138 acting in conjunction, pilot lever 114 is carried out spacing, pilot lever 114 cannot depart from, owing to locking and fixing device and mounting block 107 connect, mounting block 107 can not keep, then the position of pilot lever 114 cannot rotate, and then realize gear 113 and cannot rotate relative to mounting block 107, the position of gear 113 and tooth bar 116 is fixed, maintain the Stability Analysis of Structures of transfer device, that avoids causing under the action of gravity of tapping machine body 101 drops, effectively reduce potential safety hazard.

As shown in Figure 6, it may be preferred that the step surface in ladder hole is provided with the expansion slot 142 of ring-type, one end away from gear 113 of pilot lever 114 is stretched in expansion slot 142.

If the length of pilot lever 114 is longer, the step surface that may support button closing lid 139 after in button closing lid 139 is stretched in the end of pilot lever 114, causes button closing lid 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 ladder hole, even if it is longer to rotate handle 133, its end also can be stretched in expansion slot 142, and button closing 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 the utility model, for a person skilled in the art, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

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

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

At least two transfer devices, described in each, transfer device comprises the part that hoists, two mounting blocks and at least two walking parts, the inside of described mounting block is provided with horizontal U shape groove, the side away from described base of described mounting block is erected to being provided with embedding groove, described base can embed in described U shape groove, the inside of one of them sidewall of described U shape groove is provided with the projection that can embed in described groove, another one sidewall is provided with through hole, the rod member that can embed in described first blind hole it is equipped with in described through hole, the end face of described projection is conical surface and corresponding with the conical surface of described groove, the sidewall of described embedding groove rotates and is provided with gear, the rotational axis line of described gear is arranged along the length direction of described U shape groove, described mounting block is provided with the pilot lever rotated for controlling described gear,

The described part that hoists comprises retaining plate, the two ends, left and right of described retaining plate embed in the described embedding groove of two described mounting blocks respectively, the side of described retaining plate is erected to being provided with tooth bar, described tooth bar and described gears meshing, and described walking part is arranged on described retaining plate.

2. tapping machine according to claim 1, it is characterized in that, the sidewall of described mounting block rotates and is provided with at least two and erects to the roller being 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 retaining plate contacts with described roller, and when described retaining plate moves up and down, described roller can roll on described retaining plate.

3. tapping machine according to claim 1, it is characterized in that, described mounting block is made up of the half that two removably connect, 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 semi-cylindrical groove described in one of them is provided with the 2nd blind hole, arranges extrusion spring and depression bar in described 2nd blind hole;

Described rod member is ladder shape circle bar, described rod member comprises working zone and handles section, the diameter of described manipulation section is greater than the diameter of described working zone, is provided with the first return spring between described manipulation section and described mounting block, and described working zone is slidably arranged in described through hole;

The sidewall of described working zone is provided with chute, described chute comprises lock slots, ramp pan and the action groove that head and the tail connect successively, described lock slots arranged transversely, described action groove erects to setting, the degree of depth of described lock slots is greater than the degree of depth of described action groove, the degree of depth of described ramp pan is reduced to the other end gradually by the one end near described lock slots, and one end degree of depth of described ramp pan is identical with the degree of depth of described lock slots, and the other end degree of depth of described ramp pan is identical with the degree of depth of described action groove;

Downwards during the described manipulation section of pressing, described first return spring compression, described depression bar slides along described action groove and enters in described lock slots under the thrust of described extrusion spring, and now, described working zone is along described through hole slide downward and stretches in described first blind hole; Rotating described rod member makes described depression bar slide into after in described ramp pan along described lock slots, and described first return spring promotes described rod member to rise, and described depression bar slides along described ramp pan and enters in described action groove and described extrusion spring is compressed.

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

5. tapping machine according to claim 1, it is characterised in that, described through hole is threaded hole, and described rod member is bolt, and described rod member engages with described through hole whorl.

6. tapping machine according to claim 1, it is characterized in that, it is connected by quantity regulating part between described retaining plate with described walking part, described quantity regulating part comprises housing, screw mandrel and half nut, described half nut is semi-circular, and the central angle of described half nut is less than or equals 180 ��, and described housing is tubular and the side being arranged on described retaining plate, described screw mandrel is rotatably supported in described enclosure interior, and one end of described screw mandrel is provided with rotation handle;

The sidewall of described housing comprises the insert port, rotation mouth and the positioning port that are connected successively, described insert port is positioned at top or the oblique upper of described housing, the circumference setting of housing described in described rotation opening's edge, described positioning port is arranged on the bottom of described housing along the axial direction due of described housing;

Described half nut is fixedly connected with by union lever with described walking part, described half nut can pass described insert port and stretch in described housing and engage with described screw mandrel, the width of described rotation mouth and the width of described positioning port are all less than the length of described half nut, make described walking part when described screw mandrel rotates, described union lever is through described rotation mouth and enters in described positioning port, when described union lever is positioned at described positioning port, described half nut is between described screw mandrel and the inwall of 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.

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

8. tapping machine according to claim 6, it is characterised in that, described housing is provided with support plate, described support plate and described retaining plate are fitted and are removably connected by bolt.

9. tapping machine according to claim 1, it is characterized in that, described mounting block also comprises the mechanism that is locked, the described mechanism that is locked comprises fixing ring gear, button closing lid and the 2nd return spring, one end of described mounting block is provided with the positioning section of tubulose, described fixing ring gear and described button closing lid are all arranged on the outside of described positioning section, described 2nd return spring is set in the outside of described positioning section, the two ends of described 2nd return spring are supported residence respectively and are stated mounting block and described buckle closing lid, the outer circumference face of described fixing ring gear is provided with embedding groove, described pilot lever and described gear are rotationally connected, described pilot lever can turn to and embed in described embedding groove, described button closing lid is provided with ladder hole, the maximum inner diameter in described ladder hole is greater than the external diameter of described fixing ring gear, the minimum diameter in described ladder hole is less than the external diameter of described fixing ring gear, the step surface of described button closing lid can support residence under the effect of described 2nd return spring and state fixing ring gear, described pilot lever can stretch in described button closing lid and fixing under the effect of described button closing lid and described embedding groove.

10. tapping machine according to claim 9, it is characterised in that, the step surface in described ladder hole is provided with the expansion slot of ring-type, and one end away from described gear of described pilot lever is stretched in described expansion slot.