CN211028199U

CN211028199U - A drilling equipment that machining precision is high for mechanical engineering

Info

Publication number: CN211028199U
Application number: CN201921305909.2U
Authority: CN
Inventors: 俞海
Original assignee: Gaoyou Xinggao Machinery Manufacturing Co ltd
Current assignee: Gaoyou Xinggao Machinery Manufacturing Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-07-17
Anticipated expiration: 2029-08-13

Abstract

The utility model relates to a drilling device with high processing precision for mechanical engineering, which comprises a motor, a rotary table, a connecting mechanism and a drill bit, wherein the connecting mechanism comprises a connecting shaft, a connecting block, a screw rod, a threaded hole, a reinforcing component and a plurality of fastening components, the reinforcing component comprises a fixed plate, a sliding ring and a plurality of reinforcing units, the reinforcing units comprise a sliding rod, a spring, an inserting rod and an inserting hole, when the drilling device with high processing precision for mechanical engineering is used for punching, the drill bit is connected with the rotary table in advance, the vibration amplitude of the drill bit is reduced, when the punching depth needs to be increased, the drill bit can be connected with the rotary table through the connecting mechanism, the distance between the drill bit and the rotary table is enlarged, the punching depth is increased conveniently and continuously, because the work piece is punched in advance, the excessive vibration amplitude of the drill bit when the punching is deepened, the practicability of the equipment is improved.

Description

A drilling equipment that machining precision is high for mechanical engineering

Technical Field

The utility model relates to a lathe accessory field, in particular to a drilling equipment that machining precision is high for mechanical engineering.

Background

A drilling machine refers to a machine and an apparatus that uses a tool harder and sharper than an object to leave a cylindrical hole or hole in the object by rotary cutting or rotary pressing, and generally, a drilling machine, a puncher, a via machine, or the like is used to drill a precision part to achieve a desired effect.

Current drilling equipment mainly relies on the drilling rod to punch or bore on hardware or other work piece surfaces, but the length of drilling rod is fixed unchangeable among the current drilling equipment, and the drilling rod is too long, and the one end vibration range of keeping away from drive arrangement of drilling rod is too big, influences the machining precision of work piece easily, and when the drilling rod is too short, inconvenient punching or the boring of the degree of depth of carrying on again, and then leads to current drilling equipment practicality to reduce.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the drilling device used for mechanical engineering and high in machining precision is provided.

The utility model provides a technical scheme that its technical problem adopted is: a drilling device used for mechanical engineering and high in machining precision comprises a motor, a rotary table, a connecting mechanism and a drill bit, wherein the motor is in transmission connection with one side of the rotary table, and the drill bit is connected with the other side of the rotary table through the connecting mechanism;

the connecting mechanism comprises a connecting shaft, a connecting block, a screw rod, a threaded hole, a reinforcing component and a plurality of fastening components, wherein the threaded hole is formed in one end, close to the rotary table, of the drill bit, the screw rod is located on the inner side of the threaded hole, the threaded hole is in threaded connection with the screw rod, the screw rod is fixedly connected with the connecting shaft, the connecting shaft is connected with the drill bit through the reinforcing component, the fastening components are uniformly distributed on one side, far away from the motor, of the rotary table in the circumferential direction, the connecting block is connected with the rotary table through the fastening components, the connecting shaft is fixedly connected with the connecting;

the reinforcing component comprises a fixed plate, a sliding ring and a plurality of reinforcing units, the fixed plate is coaxially fixed on the connecting shaft, the sliding ring is located on one side, close to the drill bit, of the fixed plate, the sliding ring is sleeved on the connecting shaft, the reinforcing units are circumferentially and uniformly distributed on the periphery of the connecting shaft, the reinforcing units comprise sliding rods, springs, inserting rods and inserting holes, the sliding rings are fixedly connected with the sliding ring, the sliding rods penetrate through the fixed plate, one ends of the inserting rods are fixedly connected with the sliding ring, the other ends of the inserting rods are arranged in the inserting holes, the inserting holes are arranged on one side, close to the rotary table, of the drill bit, two ends of the springs are respectively connected with the sliding ring and the fixed plate, the springs are in a compression state.

Preferably, in order to facilitate the turning of the screw rod into the threaded hole, one end of the threaded hole close to the rotating disc is in a horn shape.

Preferably, for the convenience of inserting the inserted rod into the insertion hole, one end of the inserted rod far away from the slip ring is shaped like a hemisphere.

As preferred, in order to consolidate the connection of connecting axle and drill bit, fastening components includes dwang, lead screw and solid fixed ring, gu fixed ring fixes the below at the carousel, the center department and the lead screw fixed connection of dwang, gu fixed ring overlaps and establishes on the lead screw, gu fixed ring be equipped with the screw thread that matches with the lead screw with the junction of lead screw, the periphery of connecting block and the periphery of the one end of being close to the carousel of drill bit all are equipped with a plurality of notches, the quantity of notch equals with fastening components's quantity, notch and fastening components one-to-one.

Preferably, in order to facilitate the specification of the placement positions of the connecting block and the drill bit, a central port is formed in one side, close to the rotary table, of the connecting block, and a central rod is arranged on the rotary table.

Preferably, in order to prevent the sliding rod from separating from the fixing plate, the reinforcing component further comprises a limiting ring, the limiting ring is sleeved on the connecting shaft and is fixedly connected with the sliding rod, and the outer diameter of the limiting ring is smaller than that of the drill bit.

The beneficial effects of the utility model are that, this a drilling equipment that machining precision is high for mechanical engineering is when punching, be connected the drill bit with the carousel in advance, reduce drill bit vibration range, when needs increase the degree of depth of punching, accessible coupling mechanism is connected the drill bit with the carousel, enlarge the distance of drill bit and carousel, the convenient increase of punching depth that continues to punch, because punch on the work piece in advance, can avoid the drill bit to deepen the too big influence machining precision of vibration range when punching, so realized accurate processing, the practicality of equipment has been improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a drilling device for mechanical engineering with high machining precision;

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

FIG. 3 is an enlarged view of portion B of FIG. 1;

in the figure: 1. the automatic drilling machine comprises a motor, 2 parts of a rotary table, 3 parts of a drill bit, 4 parts of a connecting shaft, 5 parts of a connecting block, 6 parts of a screw rod, 7 parts of a fixing plate, 8 parts of a sliding ring, 9 parts of a sliding rod, 10 parts of a spring, 11 parts of an inserting rod, 12 parts of a rotating rod, 13 parts of a screw rod, 14 parts of a fixing ring, 15 parts of a center rod and 16 parts of a limiting ring.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, a drilling device for mechanical engineering with high machining precision comprises a motor 1, a rotary table 2, a connecting mechanism and a drill bit 3, wherein the motor 1 is in transmission connection with one side of the rotary table 2, and the drill bit 3 is connected with the other side of the rotary table 2 through the connecting mechanism;

the connecting mechanism comprises a connecting shaft 4, a connecting block 5, a screw 6, a threaded hole, a reinforcing component and a plurality of fastening components, the threaded hole is formed in one end, close to the rotary table 2, of the drill bit 3, the screw 6 is located on the inner side of the threaded hole, the threaded hole is in threaded connection with the screw 6, the screw 6 is fixedly connected with the connecting shaft 4, the connecting shaft 4 is connected with the drill bit 3 through the reinforcing component, the fastening components are evenly distributed on one side, far away from the motor 1, of the rotary table 2 in the circumferential direction, the connecting block 5 is connected with the rotary table 2 through the fastening components, the connecting shaft 4 is fixedly connected with the connecting block 5, and the outer diameter of;

when using this drilling equipment to punch the work piece, can at first pass through fastening components with drill bit 3 and install on carousel 2, then starter motor 1, when driving 2 high-speed rotations of carousel, make drill bit 3 rotate, because drill bit 3 is short with the motor 1 distance of driving source, the vibration range when 3 rotations of drill bit have been reduced, be convenient for realize the drilling processing of high accuracy to the work piece, when the degree of depth of needs deepening drilling, accessible coupling mechanism couples together drill bit 3 and carousel 2, increase the distance between drill bit 3 and the carousel 2 through coupling mechanism, make things convenient for the equipment to enlarge the degree of depth of drilling. In the connecting mechanism, the connecting block 5 can be fixed on one side of the rotary table 2 far away from the motor 1 through the fastening component, then the threaded hole on the drill bit 3 is aligned with the screw rod 6 on the connecting shaft 4, the threaded hole is sleeved on the screw rod 6, the drill bit 3 is kept to rotate, after the drill bit 3 is abutted against the connecting shaft 4, the connection between the drill bit 3 and the connecting shaft 4 is strengthened through the reinforcing component, so that the drill bit 3 and the connecting shaft 4 are kept to be fixedly connected, after the motor 1 is started, the rotary table 2 is driven to rotate, the connecting block 5 and the connecting shaft 4 are driven to rotate, the connecting shaft 4 drives the drill bit 3 to synchronously rotate through the reinforcing component, high-depth drilling or punching is carried out on a workpiece, because the drill bit 3 is firstly connected with the rotary table 2 before machining, the distance between the drill bit 3 and the motor 1 is reduced, the vibration amplitude of the drill bit, the drilling operation of punching of high accuracy is carried out to convenient equipment, has improved the practicality of equipment.

As shown in fig. 2, the reinforcing assembly includes a stationary plate 7, a slip ring 8, and a plurality of reinforcing units, the stationary plate 7 is coaxially fixed to the connecting shaft 4, the sliding ring 8 is positioned on one side of the fixed plate 7 close to the drill bit 3, the sliding ring 8 is sleeved on the connecting shaft 4, the reinforcing units are uniformly distributed on the periphery of the connecting shaft 4 in the circumferential direction and comprise sliding rods 9, springs 10, inserting rods 11 and inserting holes, the sliding ring 8 is fixedly connected with the sliding ring 8, the sliding rod 9 passes through the fixed plate 7, one end of the inserted link 11 is fixedly connected with the sliding ring 8, the other end of the inserted link 11 is arranged in a jack which is arranged at one side of the drill bit 3 close to the rotary table 2, the two ends of the spring 10 are respectively connected with the sliding ring 8 and the fixed plate 7, the spring 10 is in a compressed state, and the outer diameters of the fixed plate 7 and the sliding ring 8 are smaller than the outer diameter of the drill bit 3.

Before being connected drill bit 3 and connecting axle 4, pulling slide bar 9 keeps away from drill bit 3, make sliding ring 8 be close to carousel 2 and remove, move inserted bar 11 to the one side of keeping away from screw rod 6 of connecting axle 4, then rotate drill bit 3, make the screw hole cover on screw rod 6, support the back when drill bit 3 and connecting axle 4 support, loosen slide bar 9, make the spring 10 of compression state promote sliding ring 8 and be close to drill bit 3, insert inserted bar 11 on the sliding ring 8 in the jack, accomplish the fixed connection of connecting axle 4 and drill bit 3, when motor 1 drives carousel 2 rotatory, connecting block 5 and connecting axle 4 keep synchronous rotation, make fixed plate 7 rotatory, drive slide bar 9 and sliding ring 8 and rotate, act on drill bit 3 through inserted bar 11, make drill bit 3 keep synchronous rotation. After the sliding rod 9 is pulled to move close to the rotary table 2, the inserted rod 11 is far away from the insertion hole, then the drill bit 3 is rotated, the threaded hole in the drill bit 3 is separated from the screw rod 6, and the drill bit 3 can be conveniently taken down from the connecting shaft 4.

Preferably, the threaded hole is flared at the end close to the turntable 2 in order to facilitate the turning of the screw 6 into the threaded hole. The shape design is adopted at one end of the threaded hole close to the rotary disc 2, so that the screw rod 6 can be conveniently inserted into the threaded hole in a rotating mode.

Preferably, for the convenience of inserting the insertion rod 11 into the insertion hole, the end of the insertion rod 11 far away from the slip ring 8 is shaped like a hemisphere. By designing the shape of the end of the inserted rod 11 far away from the slip ring 8 to be hemispherical, the size of the inserted rod 11 is reduced, and the inserted rod 11 is convenient to insert into the jack.

As shown in fig. 3, fastening components includes dwang 12, lead screw 13 and solid fixed ring 14, gu fixed ring 14 fixes the below at carousel 2, the center department and the lead screw 13 fixed connection of dwang 12, gu fixed ring 14 cover is established on lead screw 13, gu fixed ring 14 be equipped with the screw thread that matches with lead screw 13 with the junction of lead screw 13, the periphery of connecting block 5 and the periphery of the one end of drill bit 3 that is close to carousel 2 all are equipped with a plurality of notches, the quantity of notch equals fastening components's quantity, notch and fastening components one-to-one. The lead screw 13 can be rotated by the rotating rod 12, so that the lead screw 13 acts in the fixing ring 14 through threads, and the fixing ring 14 is fixed below the rotary table 2, so that the lead screw 13 moves along the axis direction of the lead screw 13, and then the lead screw 13 can be driven to be inserted into a notch of the connecting block 5 or the drill bit 3, and the connecting block 5 or the drill bit 3 is connected with the rotary table 2.

Preferably, in order to facilitate the specification of the placement positions of the connecting block 5 and the drill bit 3, a central opening is formed in one side, close to the rotary table 2, of the connecting block 5, and a central rod 15 is arranged on the rotary table 2. Through set up well core rod 15 in the center department at carousel 2, can conveniently overlap the screw hole of drill bit 3 or the centre bore of connecting block 5 on well core rod 15, be convenient for standardize the position of placing of connecting block 5 and drill bit 3.

Preferably, in order to prevent the sliding rod 9 from separating from the fixing plate 7, the reinforcing component further comprises a limiting ring 16, the limiting ring 16 is sleeved on the connecting shaft 4, the limiting ring 16 is fixedly connected with the sliding rod 9, and the outer diameter of the limiting ring 16 is smaller than that of the drill 3. Through setting up spacing ring 16, can restrict the displacement range of slide bar 9, avoid slide bar 9 to break away from fixed plate 7 to through pulling spacing ring 16 removal, can drive simultaneously and remove through slide bar 9, make the installation of drill bit 3 dismantle more convenient.

When the drilling device is used, the drill bit 3 can be fixed on the rotary table 2 through the fastening assembly, then the drill bit 3 punches on the surface of a workpiece, when the punching depth is increased, the drill bit 3 is taken down from the rotary table 2, the connecting block 5 is fixed on the rotary table 2 through the fastening assembly, meanwhile, the fixed connection of the drill bit 3 and the connecting shaft 4 is realized by the fastening assembly, then the rotary table 2 is driven to rotate through the motor 1, the connecting block 5, the connecting shaft 4 and the drill bit 3 synchronously rotate, the distance between the drill bit 3 and the motor 1 is increased, the punching depth is conveniently increased, and the drilling is realized by directly installing the drill bit 3 on the rotary table 2, the vibration amplitude is reduced, the high-precision drilling processing of the workpiece is facilitated, and the practicability of the device is improved.

Compared with the prior art, this a drilling equipment that is used for machining precision of mechanical engineering to be high when punching, be connected drill bit 3 with carousel 2 in advance, reduce the 3 vibration amplitude of drill bit, when needs increase the degree of depth of punching, accessible coupling mechanism is connected drill bit 3 with carousel 2, enlarge the distance of drill bit 3 and carousel 2, the convenient increase of punching depth that continues to punch, because punch on the work piece in advance, can avoid drill bit 3 too big influence machining precision of vibration amplitude when deepening and punching, so realized accurate processing, the practicality of equipment has been improved.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The drilling device for mechanical engineering is high in machining precision and is characterized by comprising a motor (1), a rotary table (2), a connecting mechanism and a drill bit (3), wherein the motor (1) is in transmission connection with one side of the rotary table (2), and the drill bit (3) is connected with the other side of the rotary table (2) through the connecting mechanism;

the connecting mechanism comprises a connecting shaft (4), a connecting block (5), a screw rod (6), a threaded hole, a reinforcing assembly and a plurality of fastening assemblies, the threaded hole is formed in one end, close to the rotary table (2), of the drill bit (3), the screw rod (6) is located on the inner side of the threaded hole, the threaded hole is in threaded connection with the screw rod (6), the screw rod (6) is fixedly connected with the connecting shaft (4), the connecting shaft (4) is connected with the drill bit (3) through the reinforcing assembly, the fastening assemblies are circumferentially and uniformly distributed on one side, far away from the motor (1), of the rotary table (2), the connecting block (5) is connected with the rotary table (2) through the fastening assemblies, the connecting shaft (4) is fixedly connected with the connecting block (5), and the outer diameter of the connecting shaft (4) is smaller than;

the reinforcing component comprises a fixing plate (7), a sliding ring (8) and a plurality of reinforcing units, the fixing plate (7) is coaxially fixed on the connecting shaft (4), the sliding ring (8) is positioned on one side, close to the drill bit (3), of the fixing plate (7), the sliding ring (8) is sleeved on the connecting shaft (4), the reinforcing units are evenly distributed on the periphery of the connecting shaft (4) in the circumferential direction, each reinforcing unit comprises a sliding rod (9), a spring (10), an inserting rod (11) and a jack, the sliding ring (8) is fixedly connected with the sliding ring (8), the sliding rod (9) penetrates through the fixing plate (7), one end of the inserting rod (11) is fixedly connected with the sliding ring (8), the other end of the inserting rod (11) is arranged in the jack, the jack is arranged on one side, close to the rotary table (2), of the drill bit (3), two ends of the spring (10) are respectively connected with the sliding ring (8) and the, the spring (10) is in a compressed state, and the outer diameters of the fixed plate (7) and the sliding ring (8) are smaller than the outer diameter of the drill bit (3).

2. The drilling device with high processing precision for mechanical engineering according to claim 1, characterized in that one end of the threaded hole close to the rotating disc (2) is in a trumpet shape.

3. The drilling device with high processing precision for mechanical engineering as claimed in claim 1, characterized in that the end of the inserted rod (11) far away from the slip ring (8) is shaped as a hemisphere.

4. The drilling device for high machining precision of mechanical engineering according to claim 1, wherein the fastening assembly comprises a rotating rod (12), a screw rod (13) and a fixing ring (14), the fixing ring (14) is fixed below the rotary table (2), the center of the rotating rod (12) is fixedly connected with the screw rod (13), the fixing ring (14) is sleeved on the screw rod (13), a connecting part of the fixing ring (14) and the screw rod (13) is provided with a thread matched with the screw rod (13), the peripheries of the connecting block (5) and the drill bit (3) are provided with a plurality of notches, the number of the notches is equal to the number of the fastening assemblies, and the notches correspond to the fastening assemblies one to one.

5. The drilling device with high processing precision for mechanical engineering according to claim 1, characterized in that a side of the connecting block (5) close to the rotary table (2) is provided with a central opening, and the rotary table (2) is provided with a central rod (15).

6. The drilling device with high machining precision for mechanical engineering according to claim 1, wherein the reinforcing component further comprises a limiting ring (16), the limiting ring (16) is sleeved on the connecting shaft (4), the limiting ring (16) is fixedly connected with the sliding rod (9), and the outer diameter of the limiting ring (16) is smaller than that of the drill bit (3).