CN209830360U

CN209830360U - Stable front holder of boring head

Info

Publication number: CN209830360U
Application number: CN201920630809.0U
Authority: CN
Inventors: 周军海; 许�鹏; 任杏歌; 朱良; 李伟光
Original assignee: Henan Aizto Science & Technology Co Ltd
Current assignee: Henan Aizto Science & Technology Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2019-12-24
Anticipated expiration: 2029-05-06

Abstract

The utility model relates to a lathe part technical field specifically is a stable preceding holder of boring head, including the holder body, the holder body includes chassis and mount, chassis and mount pass through screw fixed connection, chassis and the inside equal outstanding spacing post that sets up the multiunit of mount, and fixed mounting has rather than integrated into one piece's annular seat between chassis and the mount, run through on the annular seat and set up a plurality of movable chambeies, chucking device is all installed to every movable intracavity, and the annular seat outside cover is equipped with solid fixed ring, the inside boring cutter that has pegged graft of holder body, set up on the boring cutter with spacing post assorted spacing groove, spacing post joint is at spacing inslot. The utility model discloses simple structure through the solid fixed ring of installation, not only can be very convenient install and dismantle the boring cutter, and fixed respond well, has certain practicality.

Description

Stable front holder of boring head

Technical Field

The utility model relates to a lathe part technical field specifically is a stable preceding holder of boring head.

Background

The boring head is connected with a taper hole of a machine tool spindle through a tail cone, and the head is provided with a boring cutter and can be radially adjusted to be used as a machine tool accessory for boring.

When the boring head is fixed to the boring cutter, the front holder of the boring head is needed, but the existing front holder of the boring head is not convenient for replacing the boring cutter, and when the boring cutter is damaged and needs to be replaced, a large amount of time is wasted by a user, so that the speed of part processing is reduced, the use of the boring head is inconvenient, and the practicability of the boring head seat is reduced.

The prior art has the following defects:

1. the front holder of the boring head for fixing the boring cutter in the prior art is inconvenient to replace, so that the speed of part processing is reduced, and the stability is general.

Disclosure of Invention

An object of the utility model is to provide a stable preceding holder of boring head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stable preceding holder of boring head, includes the holder body, the holder body includes chassis and mount, chassis and mount pass through screw fixed connection, chassis and the inside equal outstanding spacing post that sets up the multiunit of mount, and fixed mounting have rather than integrated into one piece's annular seat between chassis and the mount, run through on the annular seat and set up a plurality of movable chambeies, every movable intracavity all installs the chucking device, and the annular seat outside cover is equipped with solid fixed ring, and the inside boring cutter of pegging graft of holder body, set up on the boring cutter with spacing post assorted spacing groove, spacing post joint is at spacing inslot.

Preferably, the movable cavity is sequentially provided with two groups of clamping grooves and a limiting table from inside to outside, one end of the boring cutter close to the fixed frame is provided with a plurality of positioning grooves, and each positioning groove is distributed about the axis of the boring cutter.

Preferably, the one end fixed mounting that solid fixed ring is close to the chassis has rather than integrated into one piece's arc cardboard, set up on the chassis with arc cardboard assorted arc wall, the arc wall is equipped with the screw hole, threaded hole pegs graft there is compression screw, the arc cardboard is pegged graft in the arc wall and through compression screw and chassis fixed connection.

Preferably, the clamping device sequentially comprises an arc-shaped block, a movable rod, a spring, a baffle and a clamping block from top to bottom, the clamping block is inserted in the positioning groove, the baffle is inserted in the clamping groove, one end of the movable rod is fixedly connected with the arc-shaped block, and the other end of the movable rod penetrates through the spring and the baffle and is fixedly connected with the clamping block.

Preferably, the two sides of the bottom end of the arc-shaped block are respectively provided with a limiting bulge in a protruding mode, and the limiting bulges are matched with the limiting table.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the arc clamping plate can be guided by the installation arc groove and has a certain limiting effect, so that the arc clamping plate can only move within the arc length range of the arc groove. The limiting protrusion is matched with the limiting table for use, so that the arc-shaped block can be limited, and the arc-shaped block can only move in the movable cavity.

2. The utility model discloses simple structure through the solid fixed ring of installation, not only can be very convenient install and dismantle the boring cutter, effectively saved a large amount of time of user to improved parts machining's speed, the person's of facilitating the use, it is fixed respond well moreover, has certain practicality.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is a view of the present invention after installation;

fig. 4 is an exploded view of the clamping device of the present invention;

fig. 5 is a perspective view of the fixing ring 4 of the present invention.

In the figure: the device comprises an underframe 1, an arc-shaped groove 11, a threaded hole 12, a fixed frame 2, a limiting column 21, an annular seat 3, a movable cavity 31, a clamping groove 32, a limiting table 33, a fixing ring 4, a pressing block 41, an arc-shaped clamping plate 42, a boring cutter 5, a limiting groove 51, a positioning groove 52, a clamping device 6, a clamping block 61, a movable rod 62, a baffle 63, a spring 64, an arc-shaped block 65, a limiting protrusion 651 and a compression screw 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a stable holder before boring head, includes the holder body, and the holder body includes chassis 1 and mount 2, and chassis 1 and mount 2 pass through screw fixed connection, chassis 1 accessible screw and boring head fixed connection. Chassis 1 and mount 2 are inside all outstanding to set up the spacing post 21 of multiunit, and fixed mounting has annular seat 3 rather than integrated into one piece between chassis 1 and the mount 2, run through on the annular seat 3 and set up a plurality of movable chambeies 31, all install chucking device 6 in every movable chamber 31, and 3 outside covers of annular seat are equipped with solid fixed ring 4, the inside boring cutter 5 of pegging graft of holder body, the boring cutter 5 on set up with spacing post 21 assorted spacing groove 51, spacing post 21 joint is in spacing groove 51.

As shown in fig. 1 and 2, the movable cavity 31 is sequentially provided with two sets of slots 32 and a limiting table 33 from inside to outside, one end of the boring cutter 5 close to the fixed frame 2 is provided with six positioning grooves 52, each positioning groove 52 is distributed about the axis of the boring cutter 5, and the positioning grooves 52 are matched with the clamping blocks 61.

As shown in fig. 1 and 5, one end fixed mounting that fixed ring 4 is close to chassis 1 has rather than integrated into one piece's arc cardboard 42, set up on chassis 1 with arc cardboard 42 assorted arc wall 11, the arc length of arc wall 11 is the triple of arc cardboard 42 arc length, through setting up like this, arc wall 11 is not tight can play the guide effect to arc cardboard 42, still play certain spacing effect, make arc cardboard 42 can only remove in arc wall 11 arc length within range.

And the arc-shaped groove is provided with a threaded hole 12, a compression screw 7 is inserted in the threaded hole 12, and the arc-shaped clamping plate 42 is inserted in the arc-shaped groove 11 and is fixedly connected with the underframe 1 through the compression screw 7.

As shown in fig. 4, the clamping device 6 sequentially comprises an arc-shaped block 65, a movable rod 62, a spring 64, a baffle 63 and a fixture block 61 from top to bottom, the fixture block 61 is inserted into the positioning groove 52, the baffle 63 is inserted into the clamping groove 32, one end of the movable rod 62 is fixedly connected with the arc-shaped block 65, and the fixing mode is welding. The other end of the movable rod 62 passes through the spring 64 and the baffle 63 respectively and is fixedly connected with the latch 61. The fixing mode is bolt joint.

As shown in fig. 2 and 4, the two sides of the bottom end of the arc block 65 are respectively provided with a limiting protrusion 651 in a protruding manner, and the limiting protrusions 651 are matched with the limiting table 33. Through setting up spacing arch 651 and spacing platform 33 cooperation and using, can play a spacing effect to arc-shaped piece 65 for arc-shaped piece 65 can only remove in activity chamber 31 inside.

The working principle is as follows: when the product is used, firstly, the holder body is installed, corresponding parts of the clamping device 6 are sequentially and correspondingly installed in the movable cavity 31 at this time, then the arc-shaped clamping plate 42 is enabled to be sleeved on the annular seat 3 corresponding to the fixing ring 4 at the lower end of the left side of the installation groove 11, at this time, the pressing block 41 is located at a position far away from the movable cavity 31, the arc-shaped block 65 protrudes out of the movable cavity 31 and is located inside the annular seat 3 under the action of the spring 64, then the boring cutter 5 is inserted into the holder body along the direction of the limiting column 21 by the limiting groove 51, at this time, the positioning groove 52 just corresponds to the clamping block 61, as the arc length of the arc-shaped groove 11 is three times that of the arc-shaped clamping plate, the pressing block 41 is equally divided into six parts on the circumference, the pressing block 65 can just correspond to the position of the movable cavity 31 as long as the arc-shaped clamping plate, thereby drive movable rod 62 and fixture block 61 and move down for fixture block 61 just the joint is in the constant head tank 52, carries out relatively fixed again to arc cardboard 42 and chassis 1 through housing screw 7 at last. The utility model discloses prior art, the advantage lies in, not only can be very convenient install and dismantle the boring cutter, fixed respond well moreover, has certain practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stable holder before boring head, includes the holder body, the holder body includes chassis (1) and mount (2), chassis (1) and mount (2) pass through screw fixed connection, its characterized in that: chassis (1) and mount (2) are inside all outstanding to be set up spacing post of multiunit (21), and fixed mounting have rather than integrated into one piece's annular seat (3) between chassis (1) and mount (2), run through on annular seat (3) and set up a plurality of movable chamber (31), all install chucking device (6) in every movable chamber (31), and annular seat (3) outside cover is equipped with solid fixed ring (4), and the inside grafting of holder body has boring cutter (5), boring cutter (5) are last set up with spacing post (21) assorted spacing groove (51), spacing post (21) joint is in spacing groove (51).

2. The stable front holder for boring heads as set forth in claim 1, wherein: the movable cavity (31) is sequentially provided with two groups of clamping grooves (32) and a limiting table (33) from inside to outside, one end, close to the fixed frame (2), of the boring cutter (5) is provided with a plurality of positioning grooves (52), and each positioning groove (52) is distributed about the axis of the boring cutter (5).

3. The stable front holder for boring heads as set forth in claim 1, wherein: one end of the fixing ring (4) close to the bottom frame (1) is fixedly provided with an arc-shaped clamping plate (42) which is integrally formed with the fixing ring, the bottom frame (1) is provided with an arc-shaped groove (11) matched with the arc-shaped clamping plate (42), the arc-shaped groove is provided with a threaded hole (12), a compression screw (7) is inserted in the threaded hole (12), and the arc-shaped clamping plate (42) is inserted in the arc-shaped groove (11) and is fixedly connected with the bottom frame (1) through the compression screw (7).

4. The stable front holder for boring heads as set forth in claim 1, wherein: the clamping device (6) sequentially comprises an arc-shaped block (65), a movable rod (62), a spring (64), a baffle (63) and a clamping block (61) from top to bottom, the clamping block (61) is inserted into the positioning groove (52), the baffle (63) is inserted into the clamping groove (32), one end of the movable rod (62) is fixedly connected with the arc-shaped block (65), and the other end of the movable rod (62) penetrates through the spring (64) and the baffle (63) respectively and is fixedly connected with the clamping block (61).

5. The stable front holder for boring heads as set forth in claim 4, wherein: the two sides of the bottom end of the arc-shaped block (65) are respectively provided with a limiting bulge (651) in a protruding mode, and the limiting bulges (651) are matched with the limiting table (33).