CN201308933Y

CN201308933Y - Hole expanding device of puncher

Info

Publication number: CN201308933Y
Application number: CNU2008202006110U
Authority: CN
Inventors: 邓阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-10
Filing date: 2008-09-10
Publication date: 2009-09-16
Anticipated expiration: 2018-09-10

Abstract

The utility model relates to a hole expanding device of a puncher. The hole expanding device is characterized in that the device comprises a hole expanding assembly and a drive assembly arranged on the workbench of the puncher, wherein the hole expanding assembly includes a core rod and a lifting die assembly, which can move up and down; a location sleeve capable of rotating around the center of the lifting die assembly is movably clamped on the lifting die assembly; a plurality of expansion claws are movably hinged with the lower part of the location sleeve along the circumference direction; the core rod is inserted in the location sleeve; and a protrusion section is arranged on the lower end of the core rod for pushing each expansion claw to close and open the claw during movement. The hole expanding device can automatically expand hole on metal pipes, and has the advantages of high production efficiency and safe use.

Description

A kind of perforating press Counterboring apparatus

[technical field]

The utility model relates to a kind of perforating press, furtherly be a kind of perforating press Counterboring apparatus.

[background technology]

The metal tube that needs some to be interconnected in air-conditioning, refrigerator or the heating furnace that often uses in the daily life, therefore usually on the pipe shaft of metal tube punching assemble to make things convenient for each pipe fitting.

The Kongzui large aperture that original perforating press is gone out is no more than 80% the flange hole in pipe fitting aperture, and such hole can only connect than little other a lot of pipe fitting of former pass part external diameter, can not satisfy existing air-conditioning or other tubulation industry production needs.And adopt artificial ultra-large aperture pipe fitting, and will repeatedly locate, thereby efficient is low through manufacturing procedure repeatedly, of poor quality.Particularly labour intensity is big, operates dangerous.Artificial piercing and flanging is finished a hole needs tens minutes, can't satisfy the production needs of factory.

[utility model content]

The utility model has overcome the prior art deficiency, provide can be automatically on the metal tube pipe shaft expanded hole, production efficiency height, a kind of perforating press Counterboring apparatus safe in utilization.

For achieving the above object, the utility model has adopted following technical proposal:

A kind of perforating press Counterboring apparatus, it is characterized in that including the reaming assembly and the driven unit that are installed on the perforating press workbench, described reaming assembly includes all can upper and lower mobile core bar and carry template assembly, put forward active card on the template assembly positioning sleeve that can rotate around its center is housed, the bottom of positioning sleeve is movably hinged with a plurality of pawls that rise along its circumferencial direction, core bar is inserted in the positioning sleeve, and the core bar lower end is provided with and is used for the ejection pawl that respectively rises when mobile and makes the protuberance of its opening and closing;

Described driven unit includes first drive unit that can drive described positioning sleeve rotation and drives and carries the upper and lower second mobile drive unit of template assembly and drive upper and lower the 3rd mobile drive unit of core bar;

But the movable described pawl upper end of rising of roof pressure that is with makes its lower end close the tight pawl control piece that rises on the described core bar, the pawl control piece that rises includes stage clip and receives the pawl cover, stage clip lower end roof pressure puts at the receipts pawl, receive pawl cover lower end circumference and be provided with and be used for the rise conical surface of pawl of roof pressure, the described pawl upper end of rising is corresponding be provided with can with the inclined-plane of above-mentioned cone match;

Described the 3rd drive unit is an oil cylinder, is connected with the rotating shaft cover on the oil cylinder piston, is installed with a last connecting axle that can rotate around the center in the rotating shaft cover, and last connecting axle is fixedly linked by a pair of head nut and described core bar;

Be installed with little bearing in the described positioning sleeve, the shaft of core bar is sleeved in the above-mentioned little bearing;

The described template assembly of carrying includes and puies forward template, carry the adapter sleeve that template is provided with upper and lower connection, active card is equipped with the bearing cap that can rotate around its center on the adapter sleeve, and axle sleeve fixedly is housed on the bearing cap, and described positioning sleeve is inserted in the above-mentioned axle sleeve and with sleeve thread and is fastenedly connected;

Described first drive unit is a servomotor, and by the transmission of synchronous band, the servomotor output shaft is provided with and is with synchronously the travelling gear that cooperates between servomotor and the described axle sleeve, and described axle sleeve top is provided with and is with synchronously the driving cog that cooperates.

Described second drive unit is an oil cylinder, and first drive unit, the 3rd drive unit are fixed on described carrying on the template, puies forward template and the described second drive unit piston rod is fixedly linked.

The beneficial effects of the utility model are:

1, it is upper and lower mobile to realize that by an oil cylinder template is put forward in reaming, another oil cylinder is realized core bar and is moved with respect to the upper and lower of the pawl that rises, drive the rotation of the pawl that rises by being fixed on the servomotor of carrying on the template, realized the rising reaming function of pawl spreading while rotating impels the metal on limit, pipe fitting hole deformation slowly to take place to realize the expanded hole function; Simultaneously can finish reaming by extraneous controller automatically to the control of each drive unit finishing the above-mentioned pawl that can upper and lower mobile adjustment rises man-hour that adds, easy to use, safe, production efficiency improves greatly;

2, axle sleeve is set with the bearing holder (housing, cover) that is fixedly linked with fixed mount outward, is installed with a plurality of bearings that are used to locate axle sleeve in the bearing holder (housing, cover); And between positioning sleeve and core bar, fixed installation is useful on the little bearing of location core bar in the positioning sleeve, has strengthened positioning sleeve and core bar stability when rotated like this, avoids its appearance swing by a relatively large margin, guarantees the reaming quality;

3, the movable stage clip of receiving pawl cover and roof pressure receipts pawl cover that is with on the core bar, receiving under the effect of pawl cover roof pressure, open rise pawl upper end, and the pawl lower end of rising is rotated and closed tightly together around hinge, stretches into the pawl that conveniently rises and carry out reaming in the pipe fitting hole thereby make the pawl lower end of respectively rising be in clamped condition before processing;

4, be installed with a last connecting axle that can rotate on the oil cylinder piston that the drive core bar moves up and down around the center, core bar is fixedly linked by double end nut and last connecting axle, like this, thereby core bar can upper and lower moving be controlled the pawl opening and closing of respectively rising under the driving of oil cylinder, simultaneously core bar since pushing tow in the pawl inboard of rising, rotate at a high speed in the reaming process and can rotate, the protuberance frictionally damage on avoid rising pawl and the core bar with the pawl that rises at the pawl that rises, simple in structure, result of use is good.

[description of drawings]

Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model:

Fig. 1 is the user mode figure of Counterboring apparatus on perforating press;

Fig. 2 is the Counterboring apparatus perspective view;

Fig. 3 is for driven unit and carry template syndeton schematic diagram;

Fig. 4 is a reaming assembly package assembly master cut-away view;

Fig. 5 is for being sleeved on the outer positioning sleeve of core bar, the pawl that rises, stage clip, receipts pawl cover and axle sleeve explosive view on the reaming assembly;

Fig. 6 is a B place enlarged drawing among Fig. 5.

[specific embodiment]

As shown in the figure, a kind of perforating press Counterboring apparatus includes the reaming assembly 2, driven unit 3 and the clamping assembly 8 that are installed on the perforating press workbench 11.

In the utility model, reaming assembly 2, driven unit 3 are installed on the fixed mount 13 of a vertical setting on the workbench 11.Clamping assembly 8 is positioned at fixed mount 13 downsides, it comprises left clamping 81, right clamping 82, mould bases 83 and two oil cylinders 85 that are used to clamp pipe fitting, mould bases 83 is provided with chute 830, active card is equipped with two movable die holders 84 in the chute 830, left side clamping 81 and right clamping 82 are installed in respectively on two movable die holders 84, and two movable die holders 83 are fixedlyed connected with the movable push bar of two oil cylinders 85 respectively.

Reaming assembly 2 includes all can upper and lower mobile core bar 21 and carry template assembly 40, put forward active card on the template assembly 40 positioning sleeve 22 that can rotate around its center is housed, the bottom of positioning sleeve 22 is movably hinged with a plurality of pawls 23 that rise along its circumferencial direction, and the pawl 23 bottom outer walls that rise are the taper surface 231 that is used for reaming.Core bar 21 is inserted in the positioning sleeve 22, but movable roof pressure pawl 23 upper ends of rising that are with make its lower end close the tight pawl control piece 20 that rises on the core bar 21, fixed installation is useful on the little bearing 221 of location core bar 21 in the positioning sleeve 22, the shaft of core bar 21 is sleeved in the above-mentioned little bearing 221, and core bar 21 lower ends are provided with and are used for ejection pawl 23 lower ends of respectively rising when mobile and make the protuberance 210 of its opening and closing.Protuberance 210 is a reverse taper in the utility model.The pawl control piece 20 that rises includes stage clip 24 and receives pawl cover 25, stage clip 24 upper ends lean on the set step 211 of core bar 21, stage clip 24 lower end roof pressures are being received on the pawl cover 25, receiving pawl overlaps 25 lower end circumference and is provided with and is used for the rise conical surface 250 of pawl 23 of roof pressure, the pawl 23 upper end correspondences that rise are provided with the inclined-plane 230 that can cooperate with the above-mentioned conical surface 250, overlap under the 25 roof pressure effects at the receipts pawl, open pawl 23 upper ends of rising, and has closed tightly together around the hinge rotation pawl 23 lower ends of rising.

Carrying template assembly 40 includes and puies forward template 41, carry the adapter sleeve 42 that template 41 is provided with upper and lower connection, active card is equipped with the bearing cap 44 that can rotate around its center on the adapter sleeve 42, axle sleeve 43 fixedly is housed on the bearing cap 44, axle sleeve 43 excircles are provided with driving cog 430, and positioning sleeve 22 is inserted in the axle sleeve 43 and with axle sleeve 43 screw threads for fastening and is connected.In the utility model, adapter sleeve 42 is provided with external screw thread, and adapter sleeve 42 is fixedly linked by locking wire ring 421 and putting forward template 41.Bearing cap 44 upper and lower end faces are respectively arranged with the location bearing 45 that is fixedly linked with adapter sleeve 42.Also be installed with bearing holder (housing, cover) 29 on the fixed mount 13, fixed installation is useful on a plurality of bearings 291 and the lining 292 of locating shaft cover 43 in the bearing holder (housing, cover) 29, and axle sleeve 43 bottoms are inserted in above-mentioned bearing 291 and the lining 292.

Driven unit 3 includes first drive unit 31 that can drive positioning sleeve 22 rotations and drives and carries the template 41 upper and lower second mobile drive units 32 and drive core bar 21 upper and lower the 3rd mobile drive units 33.In the utility model, first drive unit 31 is a servomotor, and by band transmission synchronously, servomotor 31 output shafts are provided with and are with the travelling gear 310 that cooperates synchronously between the driving cog 430 on servomotor 31 and the axle sleeve 43.Second drive unit 32 and the 3rd drive unit 33 are oil cylinder, first drive unit 31, the 3rd drive unit 33 respectively with put forward template 41 and fixedly connected, this is put forward template 41 and is fixedly linked with above-mentioned second drive unit 32, and second drive unit 32 is fixedly mounted on the fixed mount 13.

Be connected with rotating shaft cover 51 on the piston of the 3rd drive unit 33, be installed with a last connecting axle 52 that can rotate in the rotating shaft cover 51 around the center, should go up connecting axle 52 is fixedly linked by a pair of head nut 53 and core bar 21 upper ends, like this, thereby core bar 21 can upper and lower moving be controlled pawl 23 opening and closing of respectively rising under the driving of the 3rd drive unit 33, core bar 21 is because pushing tow pawl 23 inboards of rising simultaneously, rotating at a high speed at the pawl 23 that rises can be with pawl 23 rotation of rising in the reaming process, avoid the rising frictionally damage of pawl 23 and core bar 21 upper convex portion 210, simple in structure, result of use is good.

The utility model course of work is as described below:

At first perforated pipe spare is clamped on the perforating press clamping assembly 8, start second drive unit 32, second drive unit 32 drives puies forward template 41, first drive unit 31 and the 3rd drive unit 33 integral body move down, core bar 21 like this, the positioning sleeve 22 and the pawl 23 that rises have also moved down together, pawl 23 and the core bar 21 that rise inserts on the pipe fittings in the hole to be processed, second drive unit 32 suspends and starts first drive unit, 31 drive axle sleeves 43 subsequently, the positioning sleeve 22 and pawl 23 quick rotation together that rises, starting the 3rd drive unit 33 simultaneously drives core bars 21 and moves on slowly, the core bar 21 lower end protuberances 210 roof pressures pawl 23 that respectively rises, the pawl 23 that rises is that outwards open at the center with the hinge on it, the reaming processing of the pawl 23 of having realized rising spreading while rotating; Respectively rise receipts pawl cover 25 on the pawl 23 upper end roof pressure core bars 21 is received and is moved on the pawl cover 25 and stage clip 24 is further compressed.

In this step process, the core bar 21 roof pressures pawl 23 that rises, and pawl 23 fast rotational that rise are rising between pawl 23 and the core bar 21 under the frictional force effect, and core bar 21 is also along with rising by pawl 23 fast rotational together, thereby avoid occurring wearing and tearing between the two, outside extension service life.

First drive unit 31 stops after being worked into preliminary dimension, the 3rd drive unit 33 oppositely drives core bars 21 and moves down and reset and stop, receive pawl cover 25 and reset under stage clip 24 effects and make the pawl 23 that respectively rises also recover original state, second drive unit 32 starts oppositely to drive and carries template 41, first drive unit 31 and the 3rd drive unit 33 and move on the whole and reset then;

At last, two oil cylinders 85 drive left clamping 81 and the pipe fitting that unclamps clamping is moved in right clamping 82, finish automatic counterboring.

Claims

1, a kind of perforating press Counterboring apparatus, it is characterized in that including the reaming assembly (2) and the driven unit (3) that are installed on the perforating press workbench (11), described reaming assembly (2) includes all and can go up, descend mobile core bar (21) and carry template assembly (40), put forward the last active card of template assembly (40) positioning sleeve (22) that can rotate around its center is housed, the bottom of positioning sleeve (22) is movably hinged with a plurality of pawls that rise (23) along its circumferencial direction, core bar (21) is inserted in the positioning sleeve (22), and core bar (21) lower end is provided with and is used for the ejection pawl (23) that respectively rises when mobile and makes the protuberance (210) of its opening and closing;

Described driven unit (3) includes first drive unit (31) and the drive that can drive described positioning sleeve (22) rotation and carries upper and lower mobile second drive unit (32) of template assembly (40) and drive upper and lower mobile the 3rd drive unit (33) of core bar (21).

2, a kind of perforating press Counterboring apparatus according to claim 1, it is characterized in that described core bar (21) but the activity of going up is with the described pawl that rises of roof pressure (23) upper end makes its lower end close the tight pawl control piece (20) that rises, the pawl control piece (20) that rises includes stage clip (24) and receives pawl cover (25), stage clip (24) lower end roof pressure is being received on the pawl cover (25), receive pawl cover (25) lower end circumference and be provided with and be used for the rise conical surface (250) of pawl (23) of roof pressure, the described pawl that rises (23) upper end correspondence is provided with the inclined-plane (230) that can cooperate with the above-mentioned conical surface (250).

3, a kind of perforating press Counterboring apparatus according to claim 1 and 2, it is characterized in that described the 3rd drive unit (33) is an oil cylinder, be connected with rotating shaft cover (51) on the oil cylinder piston, be installed with a last connecting axle (52) that can rotate around the center in the rotating shaft cover (51), last connecting axle (52) is fixedly linked by a pair of head nut (53) and described core bar (21).

4, a kind of perforating press Counterboring apparatus according to claim 1 is characterized in that being installed with little bearing (221) in the described positioning sleeve (22), and the shaft of core bar (21) is sleeved in the above-mentioned little bearing (221).

5, a kind of perforating press Counterboring apparatus according to claim 1 and 2, it is characterized in that the described template assembly (40) of carrying includes and puies forward template (41), carry the adapter sleeve (42) that template (41) is provided with upper and lower connection, the active card that goes up adapter sleeve (42) is equipped with the bearing cap (44) that can rotate around its center, bearing cap (44) is gone up axle sleeve (43) fixedly is housed, and described positioning sleeve (22) is inserted in the above-mentioned axle sleeve (43) and with axle sleeve (43) screw threads for fastening and is connected.

6, a kind of perforating press Counterboring apparatus according to claim 5, it is characterized in that described first drive unit (31) is a servomotor, pass through band transmission synchronously between servomotor and the described axle sleeve (43), the servomotor output shaft is provided with and is with the travelling gear (310) that cooperates, described axle sleeve (43) top to be provided with synchronously and is with the driving cog (430) that cooperates synchronously.

7, a kind of perforating press Counterboring apparatus according to claim 6, it is characterized in that described second drive unit (32) is an oil cylinder, first drive unit (31), the 3rd drive unit (33) are fixed on described carrying on the template (41), put forward template (41) and are fixedly linked with described second drive unit (32) piston rod.