CN2546121Y

CN2546121Y - Adjustable multi-bit drill seat structure

Info

Publication number: CN2546121Y
Application number: CN 02227489
Authority: CN
Inventors: 郭庆年
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-14
Filing date: 2002-05-14
Publication date: 2003-04-23
Anticipated expiration: 2012-05-14

Abstract

An adjustable multi-bit drill seat structure, comprising at least: the drilling machine comprises a cavity shell, a motor joint, a plurality of drill bit seats, a positioning rod arranged in a shaft center hole of the drill bit seat, a double-layer driven gear sleeved on the positioning rod, and a drill shaft arranged in an eccentric hole of the drill bit seat and used for mounting a drill bit. A plurality of holes can be processed simultaneously, and the position and the distance between the drill bits can be adjusted according to different processing requirements. The structure is reliable and the use is convenient.

Description

Adjustable many bit drills holder structure

Technical field

The utility model relates to a kind of parts of drilling machine, particularly a kind of boring anchor that is used to install drill bit.

Background technology

The employed borehole drill construction of people mostly is unit list brill now, and inefficiency particularly can not be satisfied the demand and be processed the occasion in a plurality of holes simultaneously.

Summary of the invention

The purpose of this utility model provides a kind of adjustable many bit drills holder structure that can process a plurality of holes simultaneously, and reliable in structure is easy to use.

To achieve the above object, the technical solution of the utility model is as follows:

A kind of adjustable many bit drills holder structure comprises at least:

A cavity housing, housing is provided with a spindle hole that communicates with cavity corresponding to an end of motor, and an end of the corresponding drill bit of housing is provided with the countershaft hole that several communicate with cavity;

An electric machine joint that is contained in the spindle hole, electric machine joint one end is connected with motor, and the other end is made as driving gear;

Several are contained in the drill headstock in the countershaft hole, and drill headstock is an inner open outer end sealed hollow housing, and the outer face of drill headstock is provided with an axle center hole and an eccentric orfice;

Backstay in axle center hole that is contained in drill headstock, the outer end of backstay one end and drill headstock be by being threaded, and the other end and housing are by being threaded;

A double-deck driven gear that is sleeved on the backstay, one deck gear of double-deck driven gear are arranged in the housing cavity and mesh with driving gear, and another layer gear is arranged in the cavity of drill headstock;

The auger spindle that is used to install drill bit in eccentric orfice that is contained in drill headstock fixedly is equipped with a pinion on the auger spindle, pinion and double-deck driven gear are arranged in one deck gears engaged of drill headstock cavity.

One end of the corresponding drill bit of described housing also is provided with a countershaft hole, center that communicates with the housing cavity corresponding to the position of electric machine joint, and a center auger spindle that is used to install drill bit is housed in the countershaft hole, and the center auger spindle is connected with electric machine joint.

The described drill headstock outside is provided with scale near the position of housing.

Be set with bearing on the described electric machine joint.

The screw thread position of described backstay outer end is set with coning sleeve, packing ring and round end nut from inside to outside successively.

Be set with bearing on the described backstay.

Be set with bearing on the described auger spindle.

Also be provided with a pump nozzle that communicates with its internal cavities on the described housing.

Owing to adopt above-mentioned structure, can process a plurality of holes simultaneously, and, can adjust position and distance between the drill bit according to different processing needs.Reliable in structure, easy to use.

Description of drawings

Fig. 1 is the stereogram of the embodiment of described in the utility model pair of drill bit boring anchor;

Fig. 2 is the decomposing schematic representation of Fig. 1;

Fig. 3 is the stereogram of the embodiment of three drill bit boring anchors described in the utility model;

Fig. 4 is the decomposing schematic representation of Fig. 3.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail:

Shown in Fig. 1 to 2, a kind of adjustable pair of drill bit boring anchor comprises: cavity housing 1, electric machine joint 22, two drill headstocks 4, backstay 13, double-deck driven gear 18 and auger spindles 5;

Cavity housing 1 is provided with a spindle hole that communicates with cavity corresponding to an end of motor, and an end of housing 1 corresponding drill bit is provided with two countershaft holes 34 that communicate with cavity;

Electric machine joint 22 is contained in the spindle hole, and electric machine joint 22 1 ends are connected with motor, and the other end is made as driving gear, and bearing 23 is housed on the electric machine joint 22;

Housing 1 also is equipped with a bonnet 2 by hexagon socket head cap screw nail 24 corresponding to an end of motor, bonnet 2 is enclosed within on the electric machine joint 22 and with spindle hole and seals, the inboard of the outer end of bonnet 2 and the outside also are equipped with internal beam 33 and external beam 3 respectively, external beam 3 is for having the cylinder that tightens up mouth, and it tightens up pad 25 and soket head cap screw 26 are housed on the mouth;

Two drill headstocks 4 are contained in respectively in two countershaft holes 34, drill headstock 4 is an inner open outer end sealed hollow housing, the outer face of drill headstock 4 is provided with an axle center hole 35 and an eccentric orfice 36, and drill headstock 4 outsides are provided with scale near the position of housing 1;

Backstay 13 is contained in the axle center hole 35 of drill headstock 4 and stretches out axle center hole 35, the two ends of deciding bar 13 are equipped with external screw thread, the screw thread position of the outer end of backstay 13 is set with coning sleeve 15, packing ring 27 and round end nut 14 from inside to outside successively, the inner of backstay 13 and housing are by being threaded, thereby make, do not unclamp backstay 13, drill headstock 4 can not rotate in countershaft hole 34; Also be set with copper packing 16 and Needle bearing 17 on the backstay 13, help location and rotation;

Double-deck driven gear 18 is sleeved on the backstay 13, and one deck gear of double-deck driven gear 19 is arranged in the cavity of housing 1 and meshes with driving gear 22, and another layer gear is arranged in the cavity of drill headstock 4;

Auger spindle 5 is sleeved in the eccentric orfice 36 of drill headstock 4, and a pinion 8 fixedly is housed on the auger spindle 5, and pinion 8 and double-deck driven gear 18 are arranged in one deck gears engaged of drill headstock 4 cavitys; Be set with oil sealing 6, Needle bearing 7, positive thrust bearing 9 and copper sheathing 10 on the auger spindle 5, the inner end of auger spindle 5 is equipped with pad 11 and soket head cap screw 12, helps location and rotation.

During use, unclamp backstay 13 by round end nut 14, rotary drill bit seat 4, adjust two drill bits i.e. relative position and the distance of two auger spindles 5, screwed in place bar 13 and round end nut 14 start motor again, and driven by motor electric machine joint (driving gear) 22 rotates, electric machine joint 22 drives double-deck driven gear 18 and rotates, thereby the pinion 8 that double-deck driven gear 18 drives on the auger spindle 5 drives auger spindle 5 rotations.

As shown in Figs. 3-4, a kind of adjustable three drill bit boring anchors comprise: cavity housing 1, electric machine joint 22, two drill headstocks 4, backstay 13, double-deck driven gear 18 and auger spindles 5;

Electric machine joint 22 is contained in the spindle hole, and electric machine joint 22 1 ends are connected with motor, and the other end is made as driving gear, and bearing 23 and clasp 19 are housed on the electric machine joint 22;

Double-deck driven gear 18 is sleeved on the backstay 13, and one deck gear of double-deck driven gear 18 is arranged in the cavity of housing 1 and meshes with driving gear 22, and another layer gear is arranged in the cavity of drill headstock 4;

One end of housing 1 corresponding drill bit also is provided with a countershaft hole, center 37 that communicates with housing 1 cavity corresponding to the position of electric machine joint 22, and a center auger spindle 20 that is used to install drill bit is housed in the countershaft hole, center 37, and center auger spindle 20 is connected with electric machine joint 22.Be set with clasp 29, pad 21 on the center auger spindle 20, go up thrust bearing 28, Needle bearing 30 and oil sealing 31, help location and rotation.

During use, unclamp backstay 13 by round end nut 14, rotary drill bit seat 4, adjust two drill bits i.e. relative position and the distance of two auger spindles 5, screwed in place bar 13 and round end nut 14 start motor again, and driven by motor electric machine joint (driving gear) 22 rotates, electric machine joint 22 drives center auger spindle 20 and double-deck driven gear 18 rotates, thereby the pinion 8 that double-deck driven gear 18 drives on the auger spindle 5 drives auger spindle 5 rotations.

In addition, also be provided with a pump nozzle 32 that communicates with its internal cavities on the housing 1, inject lubricating oil can for each inner gear.

As known by the technical knowledge, the utility model can be realized by other the embodiment that does not break away from its spiritual essence or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All in the utility model scope or the change that is being equal in the scope of the present utility model all be included in the utility model.

Claims

1. An adjustable multi-bit drill base structure, characterized in that it includes at least

A cavity housing, one end of the housing corresponding to the motor is provided with a main shaft hole communicating with the cavity, and one end of the housing corresponding to the drill bit is provided with several auxiliary shaft holes communicating with the cavity;

A motor connector installed in the main shaft hole, one end of the motor connector is connected to the motor, and the other end is set as the driving gear;

A number of bit holders installed in the auxiliary shaft hole, the drill holder is a cavity shell with an open inner end and a closed outer end, and an axial hole and an eccentric hole are arranged on the outer end surface of the drill holder;

A positioning rod installed in the axial hole of the drill base, one end of the positioning rod is threaded to the outer end of the drill base, and the other end is threaded to the housing;

A double-layer driven gear set on the positioning rod, one layer of the double-layer driven gear is located in the cavity of the housing and meshed with the driving gear, and the other layer of gear is located in the cavity of the drill seat;

A drill shaft for installing the drill bit is installed in the eccentric hole of the drill base, and a pinion is fixedly mounted on the drill shaft, and the pinion meshes with a layer of gears of the double-layer driven gear located in the cavity of the drill base.

2. The adjustable multi-drill drill base structure according to claim 1, characterized in that one end of the housing corresponding to the drill bit corresponds to the position of the motor joint, and a central auxiliary shaft hole communicating with the cavity of the housing is also provided. , a center drill shaft for installing a drill bit is housed in the center auxiliary shaft hole, and the center drill shaft is connected with the motor joint.

3. The adjustable multi-bit drill seat structure according to claim 1, characterized in that a scale is provided on the outer side of the drill seat close to the casing.

4. The adjustable multi-bit drill stand structure according to claim 1, characterized in that the motor joint is fitted with a bearing.

5. The adjustable multi-bit drill base structure according to claim 1, characterized in that the threaded portion of the outer end of the positioning rod is sequentially fitted with a taper sleeve, a washer and a round nut from the inside to the outside.

6. The adjustable multi-bit drill stand according to claim 1, characterized in that the positioning rod is fitted with a bearing.

7. The adjustable multi-bit drill stand according to claim 1 or 2, characterized in that the drill shaft is fitted with a bearing.

8. The adjustable multi-bit drill stand according to claim 1 or 2, characterized in that the housing is further provided with a grease nozzle communicating with the inner cavity.