CN201596931U - Adjustable tool rod heating device shield - Google Patents

Abstract

The utility model discloses an adjustable tool rod heating device shield, which is provided with a fixed disc. Sliding blocks capable of extending inwards are slidably arranged on the periphery of the fixed disc; a magnetized block is arranged at the inner end of each sliding block; a shifting rod is arranged upwards on each sliding block in extending manner; a rotating disc is arranged on the fixed disc; arc-shaped channels with a corresponding number are arranged on the bottom surface of the rotating disc correspondingly to each shifting rod in concave manner; and each arc-shaped channel is sleeved on a matching shifting rod. When the shield is used, the fixed disc is combined with the top surface of an induction heating tool rod device, reflecting shapes of the bottoms of the magnetized blocks are used for shielding a magnetic force line, and a thermal expanded tool rod can be heated by a better effect. By rotation of the rotating cover, extending lengths of all sliding blocks can be adjusted, the position of the magnetized blocks can be properly adjusted, and the adjustable tool rod heating device shield is adaptable to thermal expanded tool rods of different sizes and achieves better heating effect.

Description

A kind of adjustable knife bar heater shielding

Technical field

The utility model relates to a kind of accessory of eddy-current heating knife bar device, refers to a kind of adjustable knife bar heater shielding especially.

Background technology

Existing eddy-current heating knife bar device is heated to the thermal expansion knife bar with the induction of magnetic coil in use, after the upper semisection of thermal expansion knife bar being heated expand, inserts cutter to tighten after cooling, and cutter can firmly be combined with the thermal expansion knife bar whereby.

Shown in the patent case that the disclosed patent No. of Chinese patent literature is 02803972 " device that is used for the eddy-current heating of instrument folder ", existing eddy-current heating knife bar device is with the magnetic line of force that sleeve part produces the thermal expansion knife bar to be heated, the annulus spare made from magnetisable material shields the magnetic line of force again, and the magnetic line of force that makes sleeve part produce can be concentrated and be used to heat knife bar.

Though aforementioned existing annulus spare maskable is also concentrated the magnetic line of force and is used to heat knife bar, but because the form that is the inclined-plane on every side of annulus spare, therefore inadequately near the top of knife bar, make the magnetic line of force of reflection still concentrate inadequately, can't reach the best thermal effect that adds, and, therefore also can't be applicable to the thermal expansion knife bar of various sizes because annulus spare is fixed design.

The utility model content

At the deficiencies in the prior art part, the utility model provides a kind of adjustable knife bar heater shielding, and it can reach preferable shielding magnetic line of force effect.

For achieving the above object, technical solutions of the utility model are:

A kind of adjustable knife bar heater shielding, it comprises a base, it is provided with a fixed disk, intermediate vertical in this fixed disk wears a bottom outlet, around this fixed disk end face, be arranged with four chutes again with equally spaced form, the elongated slot that each chute extends along the inside and outside direction of this fixed disk, each chute inner and towards the centre of this bottom outlet.One advance and retreat shield assembly, it is embedded at a slide block in each chute with form slidably, each slide block is the strip block of each chute of form fit, and its inner end protrudes from this bottom outlet inwardly, in the bottom surface of each slide block inner end in conjunction with a magnetized block, form a reflection shape in the bottom surface of each magnetized block, each reflection is shaped as concavo-convex staggered waveform continuously, stretches up in the outer half section end face of each slide block and establishes a poke rod; And one-turn cap, its cover cap is on this base, in the central authorities of this hub cap to wearing an apical pore by bottom outlet, corresponding again a plurality of poke rods, in this hub cap bottom surface around with around and equally spaced form be arranged with a plurality of arc ditches, a plurality of arc ditches respectively are the long ditch of arc, its same end and the other end are divided into the inner and outer end, and the outer end is away from the form setting of this bottom outlet with close this bottom outlet in the inner for each, and the poke rod of each slider top inserts respectively in each arc ditch up.

The usefulness of technique scheme is:

When the utility model uses, the fixed disk screw lock is incorporated into the end face of eddy-current heating knife bar device, and the upper semisection of thermal expansion knife bar inserted in the eddy-current heating knife bar device, rotate hub cap this moment, stir the poke rod of cooperation with the arc ditch of hub cap, slide block can be moved along chute, whereby each magnetized block is moved to the position that the inner can be resisted against cutter, make each magnetized block be surrounded on top on every side, thermal expansion knife bar top.

When starting, eddy-current heating knife bar device produces the magnetic line of force, when the thermal expansion knife bar being heated with magnetic line of force induction, because each magnetized block of the utility model is positioned at the top around the thermal expansion knife bar top, add each magnetized block and be provided with wavy reflection shape in the bottom surface, therefore can produce the effect of shielding to the magnetic line of force, the top that makes the magnetic line of force concentrate on the thermal expansion knife bar produces the effect of eddy-current heating, make cutter behind the top of inserting the thermal expansion knife bar, become combined structure closely via cooling and between the thermal expansion knife bar.

Because the utility model can drive each magnetized block adjustment position by the rotation of hub cap, each magnetized block is moved to the top at thermal expansion knife bar top, therefore magnetized block can be placed the heating location of the optimum shielding magnetic line of force, the reflection of adding each magnetized block is shaped as wavy, therefore can effectively promote the effect of the shielding magnetic line of force, increase the heat efficient of thermal expansion knife bar of eddy-current heating knife bar device, make things convenient for the user to utilize.

Description of drawings

Fig. 1 is the stereogram of the utility model preferred embodiment;

Fig. 2 is the exploded view of the utility model preferred embodiment;

Fig. 3 is the exploded view that the utility model preferred embodiment is looked up;

Fig. 4 is the vertical view of the utility model preferred embodiment;

Fig. 5 is the cutaway view of the utility model preferred embodiment;

Fig. 6 is the enforcement schematic diagram of the utility model preferred embodiment;

Fig. 7 is the enforcement schematic diagram one that T shape slide block is adjusted in the utility model preferred embodiment;

Fig. 8 is the enforcement schematic diagram two that T shape slide block is adjusted in the utility model preferred embodiment.

The specific embodiment

The utility model now is described in conjunction with the accompanying drawings and embodiments.

A kind of adjustable knife bar heater shielding, please referring to the preferred embodiment of Fig. 1-5, it comprises a base (10), it is provided with a fixed disk (11), fixed disk (11) is a circular disk body, intermediate vertical in fixed disk (11) wears a bottom outlet (12), bottom outlet (12) is circular hole, and the Lower Half in bottom outlet (12) forms the bigger reamer (121) of diameter, the top side of corresponding reamer (121), form a shoulder (122) in fixed disk (11) bottom surface, shoulder (122) is the surface of horizontal configuration; Be positioned at reamer (121) peripheral part in addition in fixed disk (11), with around and equally spaced form vertically wear four counter sinks (13), be arranged with the hole of bead (14), a location inwardly in fixed disk (11) side face again, around fixed disk (11) end face, be arranged with four T shape chutes (15) with equally spaced form, each T shape chute (15) extends along the inside and outside direction of fixed disk (11), and with the T shape shape elongated slot of the interior low outer oblique setting of high form, each T shape chute (15) inner and towards the centre of bottom outlet (12).

Bottom surface in each T shape chute (15) is vertically run through Yi Changgou (151) down, each long ditch (151) is a groove, and bearing of trend is identical with the direction that each T shape chute (15) extends, each long ditch (151) inner also communicates with reamer (121), the both sides of corresponding each long ditch (151) outer end, both sides in fixed disk (11) circumferential surface wear latch perforation (152) with the form that laterally runs through, the centre of each latch perforation (152) is the outer end of passing each long ditch (151), places a latch (153) respectively in four latch perforation (152).

One advance and retreat shield assembly (20), it is provided with four T shape slide blocks (21), four T shape slide blocks (21) respectively are the strip block, and are embedded at each T shape chute (15) with the form that can slide inwardly respectively, the horizontal plane that aligns with shoulder (122) in the interior half section bottom surface of each T shape chute (15).

The top of corresponding each long ditch (151), be arranged with a chase (211) in the bottom surface of each T shape slide block (21), stretch down in chase (211) the inner and to establish a pull bar (22), combine an extension spring (23) between each pull bar (22) and each latch (153), each extension spring (23) is placed between each long ditch (151) and each chase (211) that cooperates, corresponding each pull bar (22) is other, stretch down in the bottom surface of each T shape slide block (21) and to establish a positioning rod (24), fasten in reamer (121) fixed disk (11) internal face location on every side with each backstay (24).

The inner end of each T shape slide block (21) protrudes from the bottom outlet (12) inwardly, in the bottom surface of each T shape slide block (21) inner end in conjunction with a magnetized block (25), the sintered part of each magnetized block (25) for making with powder metallurgy, and has magnetizable characteristic, form a reflection shape (251) in the bottom surface of each magnetized block (25), each reflects shape (251) is continuously concavo-convex staggered waveform, can be profile of tooth, the shape of waveform such as square waveform or waveform, it also has most chases (252), most the chases (252) of each magnetized block (25) are parallel form, and each is with the centre position of the inner towards bottom outlet (12), vertically stretches up in the middle of half section the end face outside each T shape slide block (21) and establishes a poke rod (26).

One-turn cap (30), lid that it is circular and cover cap are in the top of base (10) and on every side, hub cap (30) is provided with a top board (31) in the top of fixed disk (11), top board (31) is that circular plate body and diameter are greater than fixed disk (11), wear an apical pore (311) of form fit in the bottom outlet (12) of the central corresponding fixed disk (11) of top board (31), again in the quarter position of top board (31) bottom surface periphery, with around form be arranged with four arc ditches (312), each arc ditch (312) is the long ditch of arc, its the same end and the other end are divided into the inner and outer end, and each with the inner near bottom outlet (12) and the outer end away from the form setting of bottom outlet (12), the outer end that the poke rod (26) at each T shape slide block (21) top inserts each arc ditch (312) respectively up.

Around top board (31), extend to form one down around plate (32), the position in the corresponding hole of bead, location (14), around around plate (32), wear a plurality of locating holes (321) with the form at left and right interval, around around plate (32) and wear four screws (322) with equally spaced form, in each screw (322) screw lock in conjunction with a throw rod (33), the straight-bar that each throw rod (33) extends outwardly for level.One location structure, its inside and outside both sides in the hole of bead, location (14) are respectively equipped with a location spring (41) and a positioning bead (42), protrude from the outer end in the hole of bead, location (14) and be embedded at wherein the inner of a locating hole (321) with positioning bead (42), whereby the position of hub cap (30) is located.

The utility model removes aforementioned preferred embodiment, it is provided with four equally spaced T shape chutes (15) in addition around fixed disk (11), also the quantity of T shape chute (15) can be made as two, three are waited other a plurality of quantity, cooperate slip to be provided with T shape slide block (21) with T shape chute (15), and be provided with in the bottom surface of hub cap (30) and cooperate T shape chute (15), the arc ditch (312) of T shape slide block (21) quantity provides the poke rod (26) of each T shape slide block (21) to plug, the structure quantity of aforementioned driving T shape slide block (21) can change with user's demand, and each T shape chute (15) and each T shape slide block (21) can change the engagement formation into dovetail groove and dovetail block, and the utility model is not limited at this.

When the utility model uses, please referring to Fig. 1,2 and the preferred embodiment of Fig. 6, penetrate each counter sink (13) of fixed disk (11) with bolt, fixed disk (11) screw lock is incorporated into the end face of eddy-current heating knife bar device (50), and the upper semisection of thermal expansion knife bar (51) inserted in the eddy-current heating knife bar device (50), the inner of each magnetized block (25) of the utility model advance and retreat shield assemblies this moment (20) rely on cutter (52) around, make each magnetized block (25) be surrounded on top around thermal expansion knife bar (51) top whereby.

When starting, eddy-current heating knife bar device (50) produces the magnetic line of force, respond to thermal expansion knife bar (51) when heating with the magnetic line of force, because each magnetized block of the utility model (25) is positioned at the top around thermal expansion knife bar (51) top, add each magnetized block (25) and be provided with wavy reflection shape (251) in the bottom surface, therefore can produce the effect of shielding to the magnetic line of force, the magnetic line of force reflection that order originally passes up and concentrate on thermal expansion knife bar (51) top around, make the magnetic line of force concentrate the effect that produces eddy-current heating, make cutter (52) by last pass apical pore (311) and bottom outlet (12) down and insert the top of thermal expansion knife bar (51) again after, can become combined structure closely via cooling and between the thermal expansion knife bar (51).

Please referring to Fig. 7,8, when magnetized block of the present utility model (25) need to be adjusted the position when adapting to the cutter (52A) of different sizes, pull hub cap (30) rotation with throw rod (33), make each arc ditch (312) stir the poke rod (26) of cooperation, T shape slide block (21) can be moved inwardly along T shape chute (15), when mobile because the setting of T shape chute (15) for tilting, also can dip gradually when therefore the magnetized block (25) of each T shape slide block (21) moves inwardly, shown in the 8th figure, adapt to undersized thermal expansion knife bar (51A) whereby and lean.

Aforementioned adjustment, its with hub cap (30) rotate up to the inner of each magnetized block (25) move to can be resisted against cutter (52A) position on every side till, each magnetized block this moment (25) is positioned at the top around thermal expansion knife bar (51A) top, can reach the effect of the shielding magnetic line of force of the best.And shown in first figure, rotate in the process of adjusting hub cap (30), the positioning bead (42) in the hole of bead, location (14) can change the locating hole (321) that is resisted against other, hub cap (30) fixed-site after will rotating whereby.

In addition, when counter-rotating this hub cap (30), so that each magnetized block (25) is backed out by cutter (52A) is other, because each T shape slide block (21) is provided with the auxiliary outwards pulling of extension spring (23), the process of rotating hub cap (30) when therefore backing out magnetized block (25) is comparatively laborsaving, can allow the user fast each magnetized block (25) be backed out outwardly.

Claims (7)

1. adjustable knife bar heater shielding is characterised in that it comprises:

One base, it is provided with a fixed disk, wears a bottom outlet in the intermediate vertical of this fixed disk, is arranged with four chutes with equally spaced form again around this fixed disk end face, the elongated slot that each chute extends along the inside and outside direction of this fixed disk, each chute inner and towards the centre of this bottom outlet;

One advance and retreat shield assembly, it is embedded at a slide block in each chute with form slidably, each slide block is the strip block of each chute of form fit, and its inner end protrudes from this bottom outlet inwardly, in the bottom surface of each slide block inner end in conjunction with a magnetized block, form a reflection shape in the bottom surface of each magnetized block, each reflection is shaped as concavo-convex staggered waveform continuously, stretches up in the outer half section end face of each slide block and establishes a poke rod; And

One-turn cap, its cover cap is on this base, in the central authorities of this hub cap to wearing an apical pore by bottom outlet, corresponding again a plurality of poke rods, in this hub cap bottom surface around with around and equally spaced form be arranged with a plurality of arc ditches, a plurality of arc ditches respectively are the long ditch of arc, its same end and the other end are divided into the inner and outer end, and the outer end is away from the form setting of this bottom outlet with close this bottom outlet in the inner for each, and the poke rod of each slider top inserts respectively in each arc ditch up.

2. a kind of adjustable knife bar heater shielding as claimed in claim 1, it is characterized in that: wherein said fixed disk is a circular disk body, described bottom outlet is circular hole, Lower Half in this bottom outlet forms the bigger reamer of diameter, to top side that should reamer, form a shoulder in the bottom surface of this fixed disk, each chute is with interior low outer high oblique form setting;

The horizontal plane that in described each chute align with this shoulder in half section bottom surface, the described shape that respectively reflects has most chases, and most chases of described each magnetized block are parallel form, and each is with the centre position of the inner towards this bottom outlet.

3. a kind of adjustable knife bar heater shielding as claimed in claim 2, it is characterized in that: wherein vertically run through Yi Changgou down in the bottom surface of described each chute, the bearing of trend of each long ditch is identical with the direction that described each chute extends, each long ditch inner also communicates with described reamer, places a latch between the both sides of each Chang Gou outer end;

The top of corresponding each long ditch, be arranged with a chase in the bottom surface of each slide block, stretch down in the inner of each chase and to establish a pull bar, combine an extension spring between each pull bar and each latch, each extension spring is placed between each long ditch and each chase that cooperates, by corresponding each pull bar, stretch down in the bottom surface of each slide block and to establish a positioning rod, fasten this fixed disk internal face location around this reamer with each backstay.

4. as claim 2 or 3 described a kind of adjustable knife bar heater shieldings, it is characterized in that: wherein the side face in described fixed disk is arranged with the hole of bead, a location inwardly; Described hub cap be circular lid and cover cap in the top of described base and on every side, this hub cap is provided with a top board in the top of this fixed disk, described apical pore is arranged in the central authorities of this top board, described a plurality of arc ditch is arranged with around this top board bottom surface, and described each poke rod inserts the outer end of each arc ditch up;

Periphery in this top board extends to form one down around plate, to position that should the positioning bead hole, be respectively equipped with a location spring and a positioning bead in the inside and outside both sides in this hole of bead, location, protrude from this hole of bead, location and be embedded at the wherein location, the inner of a locating hole with this positioning bead.

5. a kind of adjustable knife bar heater shielding as claimed in claim 4, it is characterized in that: wherein be provided with four described chutes in described fixed disk, form four described arc ditches in described hub cap, in described around plate around with equally spaced form in conjunction with four throw rods, each throw rod is the straight-bar that level extends outwardly.

6. a kind of adjustable knife bar heater shielding as claimed in claim 5, it is characterized in that: wherein said each chute is a T shape elongated slot.

7. a kind of adjustable knife bar heater shielding as claimed in claim 5, it is characterized in that: wherein said each chute is the dovetail elongated slot.

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