CN219985932U - Locking cutter bar for inner hole extrusion head of automobile part - Google Patents

Abstract

The utility model discloses a locking cutter bar of an inner hole extrusion head of an automobile part, which comprises a connecting rod, wherein the connecting rod is provided with an extrusion head body through a locking mechanism, the extrusion head body is in sliding penetration with the connecting rod, the connecting rod is fixedly connected with a penetrating pipe, the penetrating pipe is in sliding connection with a sleeve, the two sides of the top and the bottom of the sleeve are fixedly connected with connecting blocks, the connecting blocks are rotationally connected with rotating rods, the rotating rods are fixedly connected with inserting rods, and the two sides of the top and the bottom of the penetrating pipe are provided with a plurality of slots, so that the locking cutter bar has the beneficial effects that: the inserting rod is far away from the slot, the sleeve can be pushed or pulled, the sleeve can conveniently slide on the penetrating pipe, after the sleeve moves to a proper position, the rotating rod can conveniently rotate and insert the inserting rod into the corresponding slot under the action of the limiting mechanism, the whole length of the cutter rod consisting of the sleeve, the penetrating pipe and the connecting rod can be adjusted, the clamped extruding head body can conveniently be used, and the extruding head body can conveniently extrude areas with different depths of the inner hole of the automobile part.

Description

Locking cutter bar for inner hole extrusion head of automobile part

Technical Field

The utility model relates to the technical field of automobile part machining, in particular to a locking cutter bar of an inner hole burnishing head of an automobile part.

Background

When some automobile parts are machined from inner holes, the inner holes of the automobile parts need to be machined to be smooth, and a burnishing head is usually required to be used for extrusion machining of the inner holes of the automobile parts.

The extruding head is a mechanical processing tool for obtaining a smooth metal surface like a mirror by utilizing the principle of mechanical extruding of the extruding head, a locking cutter bar is needed to clamp the extruding head when the extruding head is used for processing, and the extruding head is fixed on a machine tool through the locking cutter bar, so that the inner hole of an automobile part is convenient to process.

In the actual production process, the depths of the inner holes of the automobile parts in different parts are different, but the lengths of the parts of the extrusion head for extrusion processing are fixed, and the lengths of cutter bars are usually fixed, so that when the lengths of the parts of the extrusion head for extrusion processing are smaller than the depths of the inner holes of the automobile parts, the extrusion processing of all the areas of the inner holes of the automobile parts is inconvenient.

Therefore, the locking cutter bar of the extrusion head of the inner hole of the automobile part is designed and produced so as to solve the problem that the locking cutter bar of the extrusion head is inconvenient to adjust the length.

Disclosure of Invention

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an automobile part hole extrusion head locking cutter arbor, includes the connecting rod, the connecting rod passes through locking mechanism and installs extrusion head body, just extrusion head body and connecting rod slip alternate, connecting rod fixedly connected with polishes, poling sliding connection has the sleeve pipe, the equal fixedly connected with connecting block in sheathed tube top and bottom both sides, the connecting block rotates and is connected with the bull stick, bull stick fixedly connected with inserted bar, a plurality of slot has all been seted up to the top and bottom both sides of poling, be provided with restriction mechanism between sleeve pipe and the bull stick, through letting locking mechanism with extrusion head body locking fixed to keep away from the sleeve pipe one end of poling and fix on the lathe, be convenient for let extrusion head body carry out extrusion to automobile part hole, when the length of adjusting the tool bar, only need press down the bull stick by hand and be close to restriction mechanism's one end for the inserted bar keeps away from the slot, can promote or pull sleeve pipe this moment, be convenient for let the sleeve pipe slide on the poling, after moving suitable position, through unclamping the bull stick, under restriction mechanism's effect, be convenient for let the bull stick rotate and take the inserted bar to insert in the corresponding slot, like this, can adjust the whole length of cutter arbor, the whole length of poling.

Preferably, the limiting mechanism comprises a large pipe, the large pipe is rotationally connected with the sleeve, a small pipe is inserted in the large pipe in a sliding mode, a spring is fixedly connected between the small pipe and the large pipe, the small pipe is rotationally connected with the rotating rod, and when the rotating rod is loosened, the rotating rod can be rotated under the action of the spring.

Preferably, the locking mechanism comprises a screw rod, the screw rod is in threaded connection with the connecting rod, the screw rod is positioned at the inner side of the connecting rod and is rotationally connected with a clamping ring, and the clamping ring is convenient to move to lock and clamp the burnishing head body by rotating the screw rod by hand.

Preferably, a rubber pad is adhered to the inner wall of the clamping ring, so that the clamping effect of the clamping ring on the burnishing head body is better.

Preferably, the clamping ring is fixedly connected with a small rod, and the small rod is in sliding connection with the connecting rod, so that the clamping ring is prevented from rotating along with the screw.

Compared with the prior art, the utility model has the beneficial effects that: when the length of the cutter bar needs to be adjusted, only one end of the cutter bar is needed to be pressed down by hand, so that the inserted bar is far away from the slot, the sleeve can be pushed or pulled at the moment, the sleeve can conveniently slide on the through pipe, after the sleeve moves to a proper position, the rotary bar is conveniently rotated under the action of the limiting mechanism and is inserted into the corresponding slot with the inserted bar, the whole length of the cutter bar formed by the sleeve, the through pipe and the connecting rod can be adjusted, the clamped extruding head body is conveniently arranged, and the extruding head body can conveniently extrude the areas with different depths of the inner holes of the automobile parts.

Drawings

FIG. 1 is a schematic three-dimensional perspective view of the present utility model;

FIG. 2 is a schematic view of a limiting mechanism according to the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model shown in FIG. 1 at a partially enlarged scale;

fig. 4 is a schematic cross-sectional view of the connecting rod of the present utility model.

In the figure: 1. a connecting rod; 2. a locking mechanism; 3. a burnishing head body; 4. penetrating a pipe; 5. a sleeve; 6. a restriction mechanism; 7. a connecting block; 8. a rotating rod; 9. a rod; 10. a slot; 21. a screw; 22. a clamping ring; 23. a rubber pad; 24. a small rod; 61. a large pipe; 62. a small tube; 63. and (3) a spring.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Examples

Referring to fig. 1-4, this embodiment provides a locking cutter bar for an inner hole extrusion head of an automobile part, including a connecting rod 1, the connecting rod 1 is provided with an extrusion head body 3 through a locking mechanism 2, and the extrusion head body 3 is in sliding insertion with the connecting rod 1, the connecting rod 1 is fixedly connected with a through pipe 4, the through pipe 4 is in sliding connection with a sleeve 5, both sides of the top and bottom of the sleeve 5 are fixedly connected with a connecting block 7, the connecting block 7 is rotationally connected with a rotating rod 8, the rotating rod 8 is fixedly connected with an inserting rod 9, both sides of the top and bottom of the through pipe 4 are provided with a plurality of slots 10, a limiting mechanism 6 is arranged between the sleeve 5 and the rotating rod 8, the extrusion head body 3 is inserted into the connecting rod 1, one end of the sleeve 5 far away from the through pipe 4 is fixed on a machine tool, so that the extrusion head body 3 is convenient to extrude the inner hole of the automobile part, when the length of the cutter bar is required to be adjusted, the rotating rod 8 is only required to be pressed down by hand to be close to one end of the limiting mechanism 6, the inserting rod 9 is far away from the inserting slot 10, the sleeve 5 can be pushed or pulled, the sleeve 5 is convenient to move, the sleeve 4 is convenient to move, the whole can be conveniently clamped into the inner hole of the automobile part through the cutter bar 3 through the corresponding to be clamped by the rotating rod 6, and the corresponding to the rotating rod 9 is not convenient to be inserted into the corresponding position of the rotating mechanism 3, and the inner hole 3 is convenient to be clamped by the inner hole 3.

The limiting mechanism 6 comprises a large pipe 61, the sleeve 5 is rotationally connected with the large pipe 61, a small pipe 62 is slidably inserted in the large pipe 61, a spring 63 is fixedly connected between the large pipe 61 and the small pipe 62, the rotating rod 8 is rotationally connected with the small pipe 62, when one end of the rotating rod 8 close to the limiting mechanism 6 is pressed by hand, the small pipe 62 slides in the large pipe 61, the spring 63 is compressed, and when the rotating rod 8 is loosened, the rotating rod 8 can be rotated under the action of the spring 63.

The locking mechanism 2 comprises a screw rod 21, the connecting rod 1 is in threaded connection with the screw rod 21, the clamping ring 22 is rotationally connected to one end of the screw rod 21, which is positioned at the inner side of the connecting rod 1, and after the burnishing head body 3 is inserted into the connecting rod 1, the clamping ring 22 is conveniently moved to lock and clamp the burnishing head body 3 by rotating the screw rod 21 by hand.

The rubber pad 23 is adhered to the inner wall of the clamp ring 22, and the rubber pad 23 has the characteristic of skid resistance, so that the clamp ring 22 has a better clamping effect on the burnishing head body 3.

The small rod 24 is fixedly connected to the clamping ring 22, the connecting rod 1 is in sliding connection with the small rod 24, and the small rod 24 is designed to prevent the clamping ring 22 from rotating along with the screw 21.

The working flow of the utility model is as follows: after inserting the burnishing head body 3 in the connecting rod 1, through rotating screw rod 21 with the hand, be convenient for let grip ring 22 remove and lock the centre gripping to burnishing head body 3, press the one end that bull stick 8 is close to limiting mechanism 6 with the hand for inserted bar 9 keeps away from slot 10, can promote or pulling sleeve pipe 5 this moment, be convenient for let sleeve pipe 5 slide on poling 4, after moving suitable position, through loosening bull stick 8, be convenient for let bull stick 8 rotate under limiting mechanism 6's effect and insert in the corresponding slot 10 with inserted bar 9, can adjust sleeve pipe 5 like this, poling 4, the holistic length of cutter arbor that connecting rod 1 constitutes.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (5)

1. The utility model provides an automobile part hole extrusion head locking cutter arbor, includes connecting rod (1), extrusion head body (3) are installed through locking mechanism (2) to connecting rod (1), just extrusion head body (3) and connecting rod (1) slip interlude, its characterized in that: connecting rod (1) fixedly connected with poling (4), poling (4) sliding connection has sleeve pipe (5), equal fixedly connected with connecting block (7) in top and bottom both sides of sleeve pipe (5), connecting block (7) rotation is connected with bull stick (8), bull stick (8) fixedly connected with inserted bar (9), a plurality of slot (10) have all been seted up to the top and bottom both sides of poling (4), be provided with restriction mechanism (6) between sleeve pipe (5) and bull stick (8).

2. The automotive part inner bore extrusion head locking cutter bar of claim 1, wherein: the limiting mechanism (6) comprises a large pipe (61), the large pipe (61) is rotationally connected with the sleeve (5), a small pipe (62) is inserted into the large pipe (61) in a sliding mode, a spring (63) is fixedly connected between the small pipe (62) and the large pipe (61), and the small pipe (62) is rotationally connected with the rotating rod (8).

3. The automotive part inner bore extrusion head locking cutter bar of claim 1, wherein: the locking mechanism (2) comprises a screw rod (21), the screw rod (21) is in threaded connection with the connecting rod (1), and the screw rod (21) is positioned at the inner side of the connecting rod (1) and is rotationally connected with a clamping ring (22).

4. A locking bar for an automotive part inner bore extrusion head as defined in claim 3, wherein: a rubber pad (23) is adhered to the inner wall of the clamping ring (22).

5. A locking bar for an automotive part inner bore extrusion head as defined in claim 3, wherein: the clamping ring (22) is fixedly connected with a small rod (24), and the small rod (24) is in sliding connection with the connecting rod (1).