CN107931286A

CN107931286A - Self-skimming drum clip unit

Info

Publication number: CN107931286A
Application number: CN201710979718.3A
Authority: CN
Inventors: 王志立
Original assignee: Chongqing Yizhichi Machinery Co Ltd
Current assignee: Chongqing Yizhichi Machinery Co Ltd
Priority date: 2017-10-19
Filing date: 2017-10-19
Publication date: 2018-04-20

Abstract

The present patent application discloses a kind of self-skimming drum clip unit, belong to metal product equipment field of mechanical technique, include top successively from top to bottom, with the collet of the spiral connection in top, jacking block, residue collecting chamber and bottom plate, top includes handle, side carries the auxiliary section for extending to bottom surface card slot, affixed core and encirclement core and cardinal extremity are fixed on movable leg on card slot immediately below auxiliary section, auxiliary section bottom is equipped with cavity, cavity, which connects the core of lower section and is internally provided with pipeline with movable leg, to be connected, the gas outlet of pipeline is in the bottom of movable leg, movable leg opens the upper end arms for being erected at bucket；Collet includes a pawl, top is firmly pushed, a pawl for collet is opened along the inclined-plane of jacking block, and a pawl engages tubbiness workpiece inner wall after opening, reach clamping effect, top cavity, which receives, to be produced air-flow after extruding the residue in tubbiness workpiece is blown to residue collecting chamber to lower section.Clamping process of the present invention suitable for tubbiness workpiece process.

Description

Self-skimming drum clip unit

Technical field

The invention belongs to metal product to equip field of mechanical technique.

Background technology

Metal product in process, often produces some chips and residue, if these chips and residue are unclear Comprehend the gap for blocking metal product and critical piping, reduce the precision and yield rate of workpiece, but set one and be only used for removing The device of slag, adds floor space, expands the cost that workshop is rented.

Therefore, people there is an urgent need for it is a kind of can simple separation residue in process equipment.

The content of the invention

The invention is intended to provide a kind of self-skimming drum clip unit, asked with solving the separation of metal residue in process Topic.

The base case provided in this programme is：Self-skimming drum clip unit, includes top and top successively from top to bottom Collet, jacking block, residue collecting chamber and the bottom plate of spiral connection；

The top is fixedly connected with core and movable leg including handle, the auxiliary section being fixedly connected with handle, with auxiliary section, described Handle, auxiliary section, core axle center point-blank, the side wall of the auxiliary section is provided with card slot, and the card slot, which extends to, matches somebody with somebody The lower surface in conjunction portion, the cardinal extremity of the movable leg are fixed in card slot, and the movable end of the movable leg outwards rotates stretching, described Movable leg uniformly wraps up the excircle of core；

The collet includes roof platform, the inner prop below roof platform and a uniform tooth for parcel inner prop excircle, the inner prop with Roof platform is concentric to be fixedly connected, and the roof platform is threadedly coupled with the core, and there are a round platform hole, the circle in the bottom surface of the inner prop Platform hole it is concentric with inner prop, described tooth is flexibly connected with roof platform；

The jacking block includes mesa-shaped head, the taper in the mesa-shaped nose cone face and the round platform hole taper one of collet inner prop bottom surface Cause；The residue collecting chamber includes ringlike round plate and fence, and the internal diameter of the ringlike round plate is consistent with the outside diameter of jacking block, the ring The outside diameter of shape plectane is consistent with the internal diameter of bucket, and the fence is fixedly connected with ringlike round plate, the fence include internal diameter fence and Outside diameter fence, the outside diameter fence are set along the excircle of ringlike round plate, inner circle of the internal diameter fence along ringlike round plate Week is set；

The bottom plate includes a cylindrical grooves, and the radius of the cylindrical grooves is more than the excircle radius of bucket；

Wherein, the bottom of the auxiliary section is equipped with a cavity, and the core at the top includes upper core, lower core and elastic cavity, The both ends of the upper core and the lower core are by cylindrical hole completely through the elastic cavity is arranged in the middle part of core, the bullet Property chamber both ends of the surface be respectively communicated with the cylindrical hole of core and the cylindrical hole of lower core, the upper core and the auxiliary section bottom Cavity connection, the inner side of the movable leg is equipped with pipeline, and the bottom surface of the movable leg is equipped with air outlet, the air outlet to bucket The distance of the central shaft of shape workpiece is less than the internal diameter of tubbiness workpiece, and the upper end of the pipeline is connected with the cavity, the pipeline Lower end reach air outlet；The radius of the elastic cavity is more than the radius of upper core and lower core, and pressure is equipped with the elastic cavity The radius of the cylindrical hole of spring, the upper core and lower core is less than the excircle of the radius of compression spring, the upper core and lower core Radius is more than compression spring radius.

The principle of base case is：Holding power is provided using the automatic deslagging apparatus in this programme, including for tubbiness workpiece Bottom plate, residue collecting chamber, the jacking block that is placed on residue collecting chamber of collecting residue, prop up the spring clip of tubbiness workpiece inner wall With the top of fixed spring folder.

The bottom plate includes a cylindrical grooves, and the radius of the cylindrical recesses is more than the excircle radius of bucket；By tubbiness Workpiece is placed in the cylindrical grooves on the bottom plate of device, and bottom plate provides holding power for tubbiness workpiece, cylindrical recesses in bottom plate Radius be more than tubbiness workpiece excircle radius, ensure that tubbiness workpiece can be put into cylindrical recesses, the effect of groove is Limit the scope of activities of tubbiness workpiece so that tubbiness workpiece will not slide from bottom plate；

In the inside of tubbiness workpiece, the residue collecting chamber is put into, residue collecting chamber is for collecting residue chip, and residue is received Collection room is equipped with ringlike round plate and fence, and the excircle radius of ringlike round plate is equal to the radius of the inner periphery of tubbiness workpiece so that residual Slag collecting chamber can be embedded into tubbiness workpiece, and tubbiness workpiece is strutted, and reach between residue collecting chamber and tubbiness workpiece The small effect in gap, so as to avoid residue from dropping in the gap of residue collecting chamber and tubbiness workpiece so that residue tubbiness workpiece It is difficult to remove when replacing, pulling energetically even can scratch tubbiness workpiece；Fence is fixed on ringlike round plate, and fence includes outside diameter Fence and internal diameter fence, outside diameter fence are set along the excircle of ringlike round plate, inner periphery of the internal diameter fence along ringlike round plate Set, the effect of fence is that the residue for ensureing residue collecting chamber is not fallen out outside residue collection；

The jacking block includes mesa-shaped head, and the excircle radius of jacking block is equal to the inner periphery radius of the ringlike round plate, ensures jacking block It can be embedded into the inner circle of residue collecting chamber, avoid producing gap between jacking block and residue collecting chamber；If have the gap, then residual Slag may be dropped in gap so that, influence jacking block and residue collecting chamber between jacking block and residue collecting chamber too closely Later stage is replaced；

The collet includes roof platform, the inner prop below roof platform and a uniform tooth for parcel inner prop excircle, the inner prop with Roof platform is concentric to be fixedly connected, and ensures that collet center of gravity is consistent, the roof platform is equipped with screw thread, and there is a circle in the bottom surface of the inner prop Platform hole, the round platform hole it is concentric with inner prop, described tooth is flexibly connected with roof platform, and a tooth stress can be opened so as to reach Cylinder inboard wall, has the function that to prop up tubbiness workpiece, when tooth act on from external force it is ratcheting simultaneously, reduction occupied space, uniformly The circumference of inner prop is centered around, at this time replaceable tubbiness workpiece；The round platform hole taper of inner prop bottom surface and the mesa-shaped nose cone degree one of jacking block Cause, when inner prop stress pushes, jacking block can be open-top by collet so that a tooth is outwards opened along the mesa-shaped rostral wall of jacking block Open, the mesa-shaped head of final jacking block is embedded into the round platform hole of inner prop bottom surface, and the opposite movement with acrosome of collet stops；

The top includes handle, movable leg, auxiliary section and core is fixedly connected with auxiliary section, and the auxiliary section is fixed with handle Connection, the handle, auxiliary section, core axle center point-blank, handle, auxiliary section are consistent with the center of gravity of core, work as handle When hand stress acts on, auxiliary section and core will not produce slip, prolong the service life；The side wall of the auxiliary section is provided with card slot, The card slot extends to the lower surface of auxiliary section, and easy to the installation and activity of movable leg, the cardinal extremity of the movable leg is fixed on card In groove, the movable end of movable leg can outwards rotate the upper wall stretched out so as to be placed on tubbiness workpiece, further fixed tubbiness work Part, the movable leg uniformly wrap up the excircle of core so that movable leg center of gravity at whole top when opening is closed with movable leg The center of gravity at whole top is consistent during conjunction；

Cooperation between top and collet is specially：The movable leg at top is broken into two with one's hands slightly, exposes the core of the inside, by core Body is threadedly coupled with the roof platform of collet so that collet is fixed on top, avoids collet from rocking appearance Clamp unstable situation；Continue the movable leg at the top of breaking into two with one's hands, take the movable leg at top and put in the upper surface of tubbiness workpiece；Top Portion, collet, jacking block three are vertically aligned, and push and exert oneself at the handle at top so that the pressure extrusion top at top, bullet Spring collet and during jacking block three, three will not collapse, so as to clamp failure；Collet is being subject to top pressure effect Afterwards, a pawl for collet opens, and the pawl for opening rear spring clamp head props up the inner wall of tubbiness workpiece, from the fixed tubbiness work in inside Part；Since collet is fixed on the top of this programme device, when top is moved, collet can also move, so that band Dynamic tubbiness workpiece is moved；

Wherein, function this programme for realization slagging-off has also done following change：

The bottom of the auxiliary section at top is equipped with a cavity, and the core at the top includes upper core, lower core and elastic cavity, described The both ends of upper core and the lower core are by cylindrical hole completely through the elastic cavity is arranged in the middle part of core, the elastic cavity Both ends of the surface be respectively communicated with the cylindrical hole of core and the cylindrical hole of lower core；

The radius of the elastic cavity is more than the radius of upper core and lower core, therefore upper core and lower core have one end in elasticity Intracavitary；Be equipped with compression spring in the elastic cavity, the radius of the cylindrical hole of the upper core and lower core less than compression spring radius, therefore Avoid compression spring to be directly entered in the cylindrical hole of core and lower core, the excircle radius of the upper core and lower core is more than Compression spring radius, avoids compression spring and is directly sleeved on the excircle of core and lower core, summary, and upper core and lower core are equal There is one end playing intracavitary, compression spring is not in the cylindrical hole of upper core and lower core also not in upper core and the excircle of lower core Outside, compression spring has propped up the end face of upper core and lower core, and as top is exerted oneself, upper and lower core is close to each other, and then extrudes compression spring, So that core entire length shortens；

The upper core is connected with the cavity of the auxiliary section bottom, and upper core is also connected with elastic cavity, the other end of elastic cavity Connected with lower core, the bottom of lower core is threadedly coupled with the roof platform of collet, and the lower end of the cylindrical hole of lower core is by spring The roof platform of collet is blocked, and the roof platform top surface of collet causes cavity-upper lower core cylindrical hole of core cylindrical hole-elastic cavity-to lead to Road is closed；The inner side of the movable leg is equipped with pipeline, and the upper end of the pipeline is connected with the cavity, is brought out under the pipeline Mouth is located at the bottom surface of movable leg, and the pipeline runs through movable leg；

Due to the length reduction of core, the passage of cavity-upper core cylindrical hole-lower core cylindrical hole is blocked up by the roof platform of collet Fill in, moment volume diminishes in core, and air capacity is constant, atmospheric pressure increase, and pressure is compressed by High Voltage trend according to air circulation Strong rule, the gas squeezed out out of core, can form one with the bottom opening of the pipeline flow-direction movable leg in movable leg Stock air-flow, so as to blow off residue.

Further, the lower surface of the lower core is circular cone, and the lower core is equipped with conical inner screw thread, the collet The circular conical surface of roof platform is equipped with to be compared for other screw threads with the corresponding circular cone external screw thread of lower core conical inner screw thread, tapered tread Have the advantages that to be tightly combined that air-tightness is high, the air-tightness of tapered tread improves lower core after lower core is connected with collet Gas leaks between collet.

Further, the handle at the top is provided with through hole, and through hole is connected with the cavity of auxiliary section, the through hole and exterior wind Machine connects；Outer fan provides wind by cavity of the through hole on handle to auxiliary section, for without using extraneous wind turbine, makes With this programme of extraneous wind-force, when blowing to residue, the air-flow sprayed by movable leg bottom is rapider, there is provided wind-force also more Greatly.

Further, the outside diameter fence of the residue collecting chamber is in, remote annular circle low close to ringlike round plate inner periphery one end Plate inner periphery one end is high；The internal diameter fence of residue collecting chamber is low in close ringlike round plate excircle one end, away from outside ringlike round plate Circumference one end is high；Compared to residue collecting chamber fence without height divide for, the residue collecting chamber in this programme, ensure that After being blown by wind, a part of residue falls in residue collecting chamber residue, and another part residue falls the fence in residue collecting chamber Top, in the present solution, fall the residue at the top of fence, due to gravity, along the gradient at the top of fence, progressively slide to In residue collecting chamber so that the collection residue of residue collecting chamber is more convenient.

Further, the outside of the movable leg is equipped with flexible claw；Claw is stretched out when movable leg is stretched out, when movable leg is put Put at the upper surface of tubbiness workpiece, claw is opened to be interlocked with the outer wall of cylinder barrel, further fixes tubbiness workpiece, works as work When dynamic leg is withdrawn, flexible claw in movable leg also retracted mode.

Further, a pawl for the collet is equipped with pulvinus, and pulvinus adds a pawl and tubbiness workpiece for collet Frictional force between inner wall so that being connected between pawl and tubbiness workpiece for collet is more close, is clamping tubbiness workpiece When, frictional force and the gravity of tubbiness workpiece offset, so that tubbiness workpiece is not easily to fall off.

Brief description of the drawings

Fig. 1 is the overall schematic of self-skimming drum clip unit embodiment of the present invention；

Fig. 2 is the detonation configuration figure of self-skimming drum clip unit embodiment of the present invention；

Fig. 3 is the top structure figure of self-skimming drum clip unit embodiment of the present invention；

Fig. 4 is the bottom plan view at the top of self-skimming drum clip unit embodiment of the present invention；

Fig. 5 is the structure diagram of the collet of self-skimming drum clip unit embodiment of the present invention；

Fig. 6 is the bottom view of the collet of self-skimming drum clip unit embodiment of the present invention；

Fig. 7 is the residue collecting chamber schematic diagram of self-skimming drum clip unit embodiment of the present invention；

Sectional view when Fig. 8 is the self-skimming drum clip unit work of self-skimming drum clip unit embodiment of the present invention.

Embodiment

Below by embodiment, the present invention is described in further detail：

Reference numeral in Figure of description includes：Top 1, collet 2, jacking block 3, tubbiness workpiece 4, residue collecting chamber 5, bottom Plate 6, handle 11, auxiliary section 12, card slot 121, cavity 122, movable leg 13, air outlet 131, pipeline 132, core 14, upper core 141st, lower core 142, elastic cavity 143, compression spring 144, roof platform 21, inner prop 22, round platform hole 221, tooth 23, mesa-shaped be first 31, annular Plectane 51, internal diameter fence 52, outside diameter fence 53, cylindrical grooves 61.

Embodiment is substantially as shown in drawings：

Such as Fig. 1 and a kind of self-skimming drum clip unit as shown in Figure 2, include top 1 and 1 screw thread of top successively from top to bottom Collet 2, jacking block 3, residue collecting chamber 5 and the bottom plate 6 of connection；

As shown in figure 3, top 1 includes handle 11, the auxiliary section 12 that is fixedly connected with handle 11, is fixedly connected with auxiliary section 12 Core 14 and movable leg 13, handle 11, auxiliary section 12, core 14 axle center point-blank, handle, auxiliary section and core Center of gravity is consistent；The side wall of auxiliary section 12 is provided with card slot 121, and card slot 121 extends to the lower surface of auxiliary section 12, easy to movable leg 13 Installation and activity；The cardinal extremity of movable leg 13 is hinged in card slot 121, as shown in figure 4, movable leg 13 uniformly wraps up the outer of core 14 Circumference, the movable end of movable leg 13 can outwards rotate the upper wall stretched out so as to be placed on tubbiness workpiece 4, further fix tubbiness Workpiece 4；

As shown in figure 8, the bottom of the auxiliary section 12 at top 1 is equipped with a cavity 122, the core 14 at top 1 include upper core 141, The both ends of lower core 142 and elastic cavity 143, upper core 141 and lower core 142 are by cylindrical hole completely through elastic cavity 143 is set In the middle part of core 14, the both ends of the surface of elastic cavity 143 are respectively communicated with the cylindrical hole of core 141 and the cylindrical hole of lower core 142；

The radius of elastic cavity 143 is more than the radius of upper core 141 and lower core 142；Compression spring 144, upper core are equipped with elastic cavity 143 The radius of the cylindrical hole of body 141 and lower core 142 is less than the radius of compression spring 144, therefore avoids compression spring 144 and be directly entered core In the cylindrical hole of body 141 and lower core 142, the excircle radius of upper core 141 and lower core 142 is more than 144 radius of compression spring, keeps away Exempt from compression spring 144 to be directly sleeved on the excircle of core 141 and lower core 142, summary, upper core 141 and lower core 142 have one end in elastic cavity, and compression spring 144 is not also in upper core in the cylindrical hole of upper core 141 and lower core 142 141 and lower core 142 excircle outside, compression spring 144 has propped up the end face of upper core 141 and lower core 142, as top is used Power, upper and lower core 142 is close to each other, and then extrudes compression spring 144 so that 14 entire length of core shortens；

Upper core 141 is connected with the cavity 122 of 12 bottom of auxiliary section, and upper core 141 is also connected with elastic cavity 143, elastic cavity 143 The other end connected with lower core 142；The bottom of lower core 142 is tapered；The inner side of movable leg 13 is equipped with pipeline 132, pipe The upper end in road 132 is connected with cavity 122, and the lower end outlet of pipeline 132 is positioned at the bottom surface of movable leg 13, as shown in figure 4, movable leg 13 bottom is equipped with air outlet 131；Pipeline 132 runs through movable leg 13；

As shown in Figure 5 and shown in Fig. 6, collet 2 is including the inner prop 22 below roof platform 21, roof platform 21 and uniformly wraps up inner prop The tooth 23 of 22 excircles, inner prop 22 with roof platform 21 is concentric is fixedly connected, roof platform 21 is threadedly coupled with core 14, inner prop 22 There is a round platform hole 221 in bottom surface, round platform hole 221 it is concentric with inner prop 22, a tooth 23 is flexibly connected with roof platform 21；

As shown in Fig. 2, the taper of lower 142 bottom surface of core is consistent with the taper of the roof platform 21 of collet 2, lower core 142 and top Connected between platform 21 using tapered tread, the connection mode of tapered tread makes to connect between the two compared to other thread connecting modes It is closer so that collet 2 is fixed on top 1, avoids collet 2 from rocking and the unstable situation of clamping, circular cone spiral shell occurs Line connects and air-tightness is stronger, and lower core 142 and the junction gas of roof platform 21 do not leak；

Jacking block 3 includes mesa-shaped first 31, the taper of first 31 conical surface of mesa-shaped and 221 taper of round platform hole of 2 inner prop of collet, 22 bottom surface Unanimously；221 taper of round platform hole of 2 inner prop of collet, 22 bottom surface is consistent with first 31 taper of the mesa-shaped of jacking block 3, when 22 stress of inner prop During pushing, jacking block 3 can be open-top by collet 2 so that first 31 side wall of mesa-shaped of tooth 23 along jacking block 3 is flared out, most The mesa-shaped first 31 of whole jacking block 3 is embedded into the round platform hole 221 of 22 bottom surface of inner prop, and collet 2 is opposite with stopping in the movement of acrosome 3 Only；

As shown in fig. 7, residue collecting chamber 5 includes ringlike round plate 51 and fence, the internal diameter of ringlike round plate 51 and the outside diameter one of jacking block 3 Cause, ensure that jacking block 3 can be embedded into the inner circle of residue collecting chamber 5, avoid producing gap between jacking block 3 and residue collecting chamber 5；Such as Fruit has the gap, then residue may be dropped in gap so that, influence to push up between jacking block 3 and residue collecting chamber 5 too closely The later stage of block 3 and residue collecting chamber 5 is replaced；The outside diameter of ringlike round plate 51 is consistent with the internal diameter of bucket so that residue collecting chamber 5 can It is embedded into tubbiness workpiece 4, and tubbiness workpiece 4 is strutted, the gap reached between residue collecting chamber 5 and tubbiness workpiece 4 is small Effect, so as to avoid residue from dropping in the gap between residue collecting chamber 5 and tubbiness workpiece 4 so that tubbiness workpiece 4 is more It is difficult to remove when changing, pulling energetically even can scratch tubbiness workpiece 4；Fence is fixedly connected with ringlike round plate 51, and fence includes interior Footpath fence 52 and outside diameter fence 53, outside diameter fence 53 are set along the excircle of ringlike round plate 51, and internal diameter fence 52 is along annular The inner periphery of plectane 51 is set, and the effect of fence is that the residue for ensureing residue collecting chamber 5 is not fallen out outside residue collection；Residue 53 fence of outside diameter of collecting chamber 5 is in, remote ringlike round plate 51 inner periphery one end height low close to 51 inner periphery one end of ringlike round plate；It is residual The internal diameter fence 52 of slag collecting chamber 5 is low in close 51 excircle one end of ringlike round plate, high away from 51 excircle one end of ringlike round plate, It ensure that in residue after being blown by wind, a part of residue falls in residue collecting chamber 5, and another part residue falls to be collected in residue The top of the fence of room 5, falls the residue at the top of fence due to gravity, along the gradient at the top of fence, progressively slides to residual In slag collecting chamber 5 so that the collection residue of residue collecting chamber 5 is more convenient；

Bottom plate 6 includes a cylindrical grooves 61, and the radius of cylindrical grooves 61 is more than the excircle radius of bucket, and bottom plate 6 is tubbiness Workpiece 4 provides holding power, and the radius of cylindrical recesses 61 is more than the excircle radius of tubbiness workpiece 4 in bottom plate 6, ensure that tubbiness work Part 4 can be put into cylindrical recesses 61, and the effect of cylindrical recesses 61 is to limit the scope of activities of tubbiness workpiece 4 so that tubbiness work Part 4 will not slide on bottom plate 6.

During work, the movable leg 13 at top 1 is broken into two with one's hands, take the movable leg 13 at top 1 and put in the upper surface of tubbiness workpiece 4； Top 1, collet 2,3 three of jacking block are vertically aligned, and push and exert oneself at the handle 11 at top 1 so that the pressure at top 1 is squeezed Bear down on one 3 three of portion 1, collet 2 and jacking block；Collet 2 is being subject to both holding powers of top pressure effect and lower section Extruding, a pawl for collet 2 open, and the pawl for opening rear spring clamp first 2 props up the inner wall of tubbiness workpiece 4, fixed from inside Tubbiness workpiece 4；Since collet 2 is fixed on the top 1 of this programme device, when top 1 is moved, collet 2 also can It is mobile, so as to drive tubbiness workpiece 4 to be moved, reach the effect of clamping operating；

Upper core 141 is connected with the cavity 122 of 12 bottom of auxiliary section, and upper core 141 is also connected with elastic cavity 143, elasticity The other end of chamber 143 is connected with lower core 142, and the bottom of lower core 142 is connected with 21 tapered tread of roof platform of collet 2, The lower end of the cylindrical hole of lower core 142 is blocked by the roof platform 21 of collet 2, and 21 top surface of roof platform of collet 2 causes cavity 142 cylinder hole path of core is closed under upper 141 cylindrical holes of core of 122--elastic cavity 143-；The inner side of the movable leg 13 is equipped with Pipeline 132, the upper end of pipeline 132 are connected with the cavity 122, and the lower end outlet of pipeline 132 is positioned at the bottom surface of movable leg 13, pipe Road 132 runs through movable leg 13；Due to the length reduction of core, the passage of cavity-upper core cylindrical hole-lower core cylindrical hole is by bullet The roof platform of spring collet blocks, and the inner space volume moment of core diminishes, and air capacity is constant, atmospheric pressure increase, according to air The rule of low pressure, the gas squeezed out out of core, as in movable leg 13 pipeline 132 is flowed to are moved towards in circulation by High Voltage The air outlet 131 of movable leg 13, forms one air-flow, so as to blow off residue.

In the present solution, in order to strengthen the clamping effect to tubbiness workpiece 4, it can also be equipped with and stretch in the outside of movable leg 13 Contracting claw, claw are stretched out when movable leg 13 is stretched out, and when movable leg 13 is placed on the upper surface of tubbiness workpiece 4, claw opens It is interlocked with the outer wall of cylinder barrel, further fixes tubbiness workpiece 4, when movable leg is withdrawn, the flexible claw in movable leg Also retracted mode, is conveniently replaceable tubbiness workpiece.

Pulvinus can also be equipped with a pawl 23 for collet 2, use pawl 23 and the bucket of pulvinus increase collet 2 The frictional force of shape workpiece 4 so that opening for collet 2 is completely embedded between pawl 23 and tubbiness workpiece 4, when clamping tubbiness workpiece 4, Tubbiness workpiece 4 is not easy to drop.

Above-described is only the embodiment of the present invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date Ordinary technical knowledge, can know the prior art all in the field, and with using normal experiment hand before the date The ability of section, one skilled in the art can improve and implement under the enlightenment that the application provides with reference to self-ability This programme, some typical known features or known method should not implement the application as one skilled in the art Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, it can also make Go out several modifications and improvements, these should also be considered as protection scope of the present invention, these effects implemented all without the influence present invention Fruit and practical applicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification The records such as body embodiment can be used for the content for explaining claim.

Claims

1. self-skimming drum clip unit, include successively from top to bottom top, with the collet of the spiral connection in top, jacking block, residual Slag collecting chamber and bottom plate；

It is characterized in that：The bottom of the auxiliary section is equipped with a cavity, and the core at the top includes upper core, lower core and bullet Property chamber, the both ends of the upper core and the lower core are by cylindrical hole completely through the elastic cavity is arranged in the middle part of core, institute The both ends of the surface for stating elastic cavity are respectively communicated with the cylindrical hole of core and the cylindrical hole of lower core, the upper core and the auxiliary section The cavity connection of bottom, the inner side of the movable leg are equipped with pipeline, and the bottom surface of the movable leg is equipped with air outlet, the air outlet Distance to the central shaft of tubbiness workpiece is less than the internal diameter of tubbiness workpiece, and the upper end of the pipeline is connected with the cavity, described The lower end of pipeline reaches air outlet；The radius of the elastic cavity is more than the radius of upper core and lower core, is set in the elastic cavity Have a compression spring, the radius of the cylindrical hole of the upper core and lower core is less than the radius of compression spring, the upper core and lower core it is outer Radius of a circle is more than compression spring radius.

2. self-skimming drum clip unit according to claim 1, it is characterised in that：The lower surface of the lower core is circle Cone, the lower core are carved with conical inner screw thread, and the circular conical surface of the collet roof platform is equipped with and lower core conical inner screw thread phase Corresponding circular cone external screw thread.

3. self-skimming drum clip unit according to claim 1, it is characterised in that：The handle at the top is provided with through hole, Through hole is connected with the cavity of auxiliary section, and the through hole is connected with outer fan.

4. self-skimming drum clip unit according to claim 1, it is characterised in that：The outside diameter fence of the residue collecting chamber In, remote ringlike round plate inner periphery one end height low close to ringlike round plate inner periphery one end；The internal diameter fence of residue collecting chamber, which is pounded, to be leaned on Nearly ringlike round plate excircle one end is low, high away from ringlike round plate excircle one end.

5. self-skimming drum clip unit according to claim 1, it is characterised in that：The outside of the movable leg is equipped with flexible Claw.

6. self-skimming drum clip unit according to claim 1, it is characterised in that：A pawl for the collet is equipped with hair Pad.