CN210359402U - Auxiliary seat action structure of gun drill - Google Patents

Abstract

The utility model relates to a gun drill auxiliary seat action structure, including fixed hook, couple, fixing base, hit the piece, the stroke hits piece and stroke aluminium groove, the fixed hook is installed in the front side of headstock and middle auxiliary seat, the fixing base is installed in middle auxiliary seat rear side and the rear side of foremost auxiliary seat, the couple is installed in the pivot, the pivot is installed on the fixing base, the couple can follow the pivot rotation; the fixed hook can hook the hook, thereby realizing the mutual hooking of the fixed hook and the hook, the outer end of the rotating shaft of the hook is also provided with a collision block which is an eccentric block, the weight of the collision block is larger than that of the hook, the hook can swing to a position close to the horizontal position under the normal state by utilizing the dead weight of the collision block, a stroke aluminum groove is arranged on a machine table below the collision block, the stroke collision block is arranged on the stroke aluminum groove at intervals, when the collision block moves to the stroke collision block, the collision block collides with the stroke collision block, so that the collision block generates deflection, thereby driving the hook on the same rotating shaft to generate deflection, and realizing the automatic unhooking of the fixed hook and the hook.

Description

Auxiliary seat action structure of gun drill

Technical Field

The utility model relates to a lathe accessory technical field, concretely relates to gun drill auxiliary seat action structure.

Background

Deep hole bores is one kind and relies on gun drill etc. to carry out drilling to deep hole system that draw ratio is greater than 10 and accurate shallow hole's lathe, in order to improve drilling's progress, needs to install at least one gun drill auxiliary seat on headstock and the slide rail between the work piece by processing, during the processing work piece, needs the requirement: when the main spindle box moves forwards (in the direction close to the workpiece), the auxiliary drill seats can be pushed one by one to be close, and when the main spindle box moves backwards (in the direction far away from the workpiece), the auxiliary drill seats can be separated one by one to be spaced. In order to realize the actions, a corresponding gun drill auxiliary seat action structure needs to be designed, so that the gun drill auxiliary seat action structure can realize the actions of gradually closing and gradually releasing.

SUMMERY OF THE UTILITY MODEL

In view of above-mentioned prior art not enough, the utility model provides a gun drill auxiliary seat action structure uses this structure, can make a plurality of gun drill auxiliary seats at the during operation, can follow advancing of headstock and make progressively and draw close or progressively throw off action.

The technical scheme of the utility model lies in: a gun drill auxiliary seat action structure comprises a fixed hook, a fixed seat, a collision block, a stroke collision block and a stroke aluminum groove, wherein the fixed hook is installed on the front side of a main shaft box and the front side of a middle auxiliary seat; the fixed hook can hook the hook, so that the hook and the hook can be hooked mutually, the outer end of the rotating shaft of the hook is further provided with a collision block, the collision block is an eccentric block, the weight of the collision block is larger than that of the hook, the hook can swing to a position close to the horizontal position by utilizing the dead weight of the collision block in a normal state, a stroke aluminum groove is formed in a machine table below the collision block, the stroke collision block is installed on the stroke aluminum groove at intervals, and when the collision block moves to the stroke collision block, the collision block collides with the stroke collision block to enable the stroke collision block to swing, so that the hook on the same rotating shaft is driven to swing, and the fixed hook and the hook are automatically unhooked.

Preferably, the fixing hook is fixedly installed at the front side of the main spindle box and the front side of the middle auxiliary seat by using screws.

Preferably, be provided with the shaft hole on the fixing base, two fixing bases constitute a set of, wear to establish the pivot on the shaft hole of two fixing bases, the couple is installed in the pivot between two fixing bases.

Preferably, the stroke aluminum groove is parallel to the moving direction of the main spindle box and the middle auxiliary seat.

The beneficial effects of the utility model reside in that: the utility model discloses a simple accessories and mounting structure's design can make a plurality of gun drill auxiliary seats at the during operation, can follow advancing of headstock and make progressively and draw close or progressively throw off the action.

Drawings

Fig. 1 is a first perspective view of a gun drill auxiliary stand actuation structure used in a horizontal gun drill.

Fig. 2 is a partially enlarged schematic view of the operation structure of the auxiliary seat of the gun drill in fig. 1.

Fig. 3 is a second perspective view of the gun drill auxiliary seat action structure used in a horizontal deep hole drill.

Fig. 4 is a partially enlarged schematic view of the operation structure of the auxiliary seat of the gun drill in fig. 3.

Description of reference numerals: 1-spindle box 2-fixed hook 3-hook 4-stroke collision block 5-fixed seat 6-collision block 7-auxiliary seat 8-stroke aluminum groove.

Detailed Description

In order to make the technical content and the constructional characteristics of the invention more easily understandable for those skilled in the art, the present application is further described below with reference to the accompanying drawings and technical features.

As shown in fig. 1 to 4, the utility model discloses a gun drill auxiliary seat action structure includes that fixed hook 2, couple 3, fixing base 5, hit piece 6, stroke hit piece 4 and stroke aluminium groove 8, fixed hook 2 installs the front side at headstock 1 front side and middle auxiliary seat 7, fixed hook 2 adopts screw fixed mounting at the front side of headstock 1 front side and middle auxiliary seat 7.

The fixed seat 5 is arranged at the rear side of the middle auxiliary seat 7 and the rear side of the foremost auxiliary seat 7, the hook 3 is arranged on a rotating shaft, the rotating shaft is arranged on the fixed seat 5, and the hook 3 can rotate along with the rotating shaft; the fixed hook 2 can hook the hook 3, so that the hook 3 and the hook are hooked mutually, the outer end of the rotating shaft of the hook 3 is further provided with a collision block 6, the collision block 6 is an eccentric block, the weight of the collision block is larger than that of the hook, the hook 3 can swing to a position close to the horizontal position by means of the dead weight of the collision block 6 in a normal state, a stroke aluminum groove 8 is formed in a machine table below the collision block 6, the stroke collision blocks 4 are installed on the stroke aluminum groove 8 at intervals, and when the collision block 6 moves to the stroke collision block 4, the collision block 6 collides with the stroke collision block 4 to enable the stroke collision block 4 to swing, so that the hook 3 on the same rotating shaft is driven to swing, and the fixed hook 2 and the hook 3 are automatically unhooked.

More specifically, be provided with the shaft hole on the fixing base 5, two fixing bases 5 constitute a set of, wear to establish the pivot on the shaft hole of two fixing bases of same set of, the couple is installed in the pivot between two fixing bases.

What needs to be additionally stated is that: the stroke aluminum groove 8 is parallel to the moving direction of the main spindle box 1 and the auxiliary seat 7.

The operation description of the gun drill auxiliary seat operation structure comprises the following steps:

firstly, when advancing: when the main spindle box 1 advances, the fixed hook 2 collides with the middle auxiliary seat 7 and drives the auxiliary seat to advance, and when the middle fixed hook 2 collides with the front auxiliary seat 7, the auxiliary seat is driven to advance.

Secondly, during backing: when the spindle box 1 retreats, the hook groove on the fixed hook 2 is hooked to the hook groove of the hook 3 on the middle auxiliary seat 7 to drive the middle auxiliary seat 7 to retreat, the hook groove on the fixed hook 2 on the middle auxiliary seat 7 is hooked to the hook groove of the hook 3 on the front auxiliary seat 7 to drive the front auxiliary seat 7 to retreat, when the front auxiliary seat 7 retreats for a certain position, the collision block 6 on the front auxiliary seat collides with the front stroke collision block 4, the collision block 6 drives the hook 3 to rotate, so that the hook 3 on the front auxiliary seat 7 is separated from the fixed hook 2 of the middle auxiliary seat 7, the front auxiliary seat 7 stops at a specified position, the spindle box 1 retreats continuously to drive the middle workpiece to retreat continuously, when the middle auxiliary seat 7 retreats for a certain position, the collision block 6 on the middle auxiliary seat collides with the rear stroke collision block 4, the collision block 6 drives the hook 3 to rotate, so that the hook 3 on the middle auxiliary seat 7 is separated from the fixed hook 2 of the spindle box 1, the middle auxiliary seat 7 stops at a designated position.

Additional description: the fixing hook 2 is fixed on the main spindle box 1 and the auxiliary seat 7 in the middle by screws. The hook 3 and the collision block 6 are shifted up by a polish rod (namely a rotating shaft), and then 2 fixed seats 5 are fixed on the middle auxiliary seat 7 and the front auxiliary seat 7, so that the hook 3 and the collision block 6 can rotate together.

The utility model discloses a simple accessories and mounting structure's design can make a plurality of gun drill auxiliary seats at the during operation, can follow advancing of headstock and make progressively and draw close or progressively throw off the action.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and drawings, or directly or indirectly applied to other related technical fields, which are all included in the scope of the present invention.

Claims (4)

1. The utility model provides a gun drill auxiliary seat action structure, includes fixed hook, couple, fixing base, hits the piece, the stroke hits the piece and stroke aluminium groove, its characterized in that: the fixed hook is arranged on the front side of the spindle box and the front side of the middle auxiliary seat, the fixed seats are arranged on the rear side of the middle auxiliary seat and the rear side of the foremost auxiliary seat, the hook is arranged on the rotating shaft, the rotating shaft is arranged on the fixed seats, and the hook can rotate along with the rotating shaft; the fixed hook can hook the hook, so that the hook and the hook can be hooked mutually, the outer end of the rotating shaft of the hook is further provided with a collision block, the collision block is an eccentric block, the weight of the collision block is larger than that of the hook, the hook can swing to a position close to the horizontal position by utilizing the dead weight of the collision block in a normal state, a stroke aluminum groove is formed in a machine table below the collision block, the stroke collision block is installed on the stroke aluminum groove at intervals, and when the collision block moves to the stroke collision block, the collision block collides with the stroke collision block to enable the stroke collision block to swing, so that the hook on the same rotating shaft is driven to swing, and the fixed hook and the hook are automatically unhooked.

2. The drill assistant stand actuating structure according to claim 1, wherein: the fixed hook is fixedly arranged on the front side of the main shaft box and the front side of the middle auxiliary seat by screws.

3. The drill assistant stand actuating structure according to claim 1, wherein: the fixing seats are provided with shaft holes, the two fixing seats form a group, the rotating shafts are penetrated in the shaft holes of the two fixing seats, and the hook is installed on the rotating shaft between the two fixing seats.

4. The drill assistant stand actuating structure according to claim 1, wherein: the stroke aluminum groove is parallel to the moving directions of the main spindle box and the middle auxiliary seat.

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