CN219542307U

CN219542307U - Clamp for drilling of numerical control lathe

Info

Publication number: CN219542307U
Application number: CN202223378311.0U
Authority: CN
Inventors: 赵燕彬
Original assignee: Jinan Aowei Machinery Equipment Co ltd
Current assignee: Jinan Aowei Machinery Equipment Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-08-18
Anticipated expiration: 2032-12-16

Abstract

The utility model belongs to the field of fixtures for numerical control lathe machining, and particularly relates to a fixture for drilling a numerical control lathe, which comprises: the two clamping devices and the two cushion blocks are detachably connected to two sides of the clamping device, the clamping device is arranged in the middle of the tool rest, the cushion blocks are in clamping connection with the tool rest, and the drill bit is connected with the clamping device; compared with the prior art, the device has the following advantages: (1) The drill bit can be conveniently installed without using a tailstock; (2) The adaptive clamp can be replaced according to different drill bits, so that the adaptability is high; (3) The clamping device can assist the drill bit to position the center of the chuck.

Description

Clamp for drilling of numerical control lathe

Technical Field

The utility model relates to the field of fixtures for numerical control lathe machining, in particular to a fixture for drilling of a numerical control lathe.

Background

Currently, a numerical control lathe is a very wide-range lathe, is mainly used for processing shaft parts or disc parts, and can be used for grooving, drilling, reaming and boring, and when drilling, a drill bit is generally clamped on a tailstock, so that the method is time-consuming and labor-consuming; in patent CN210280763U, the drilling jig is clamped on one side of the tool holder, and a narrow groove and a round hole are formed in the jig for fixing the drill bit, so that the jig has low applicability and cannot be applied to drill bits with other diameters, single-sided clamping is adopted, the jig is relatively wide as a whole, and deflection of the jig is caused during drilling.

Aiming at the problems, the clamp for drilling the numerical control lathe is specifically designed.

Disclosure of Invention

The utility model aims at the problems in the prior art, and specifically designs the fixture for drilling the numerical control lathe, so that the fixture is more convenient for clamping the drill bit, is applicable to the drill bits with various diameters, can automatically align the heights during use, and can not deflect during work.

In order to achieve the above object, the present utility model provides a jig for drilling a numerical control lathe, comprising: the clamping device comprises two clamping devices and two cushion blocks, wherein the cushion blocks are detachably connected to two sides of the clamping devices, the clamping devices are arranged in the middle of the tool rest, the cushion blocks are in clamping connection with the tool rest, and the drill bit is connected with the clamping devices.

Further, clamping device includes base and last briquetting, the upper surface of base is provided with down the concave surface, the lower surface of going up the briquetting is provided with the concave surface, the drill bit with concave surface down with go up the hole interference fit that the concave surface formed, go up the briquetting with the base can dismantle the connection, can change assorted base according to the diameter difference of drill bit.

Further, the clamping bolts are arranged on the tool rest and are propped against the upper surfaces of the cushion blocks, each cushion block is fixed by the corresponding clamping bolt, the clamping area is enlarged, and the clamp is prevented from shifting during machining.

Furthermore, the radian of the upper concave surface is equal to that of the lower concave surface, the arc length is smaller than half of the circumference of the corresponding circle, and when the drill bit is clamped, a gap is reserved between the upper pressing block and the base, so that the clamping effect is better.

Further, the draw-in groove has all been opened to the both sides of base, every the cushion with one side that the base is connected is provided with the joint and protrudes, the joint protrudes with the draw-in groove cooperation is connected, adopts the detachable connection mode of draw-in groove connection, can make it is inseparabler to connect between base and the cushion, and the dismouting is more convenient.

Further, the both sides of going up the briquetting are provided with the mount table, the upper surface height of mount table is less than go up the upper surface of briquetting, the mount table be used for connecting bolt with the base is fixed, reduces the thickness of mount table, makes here rigidity reduce, improves the fastening ability of bolt.

Furthermore, the circle center of the circle corresponding to the upper concave surface and the lower concave surface is equal to the center of the chuck, and the circle center position is the center position of the clamped drill bit, so that the alignment of the drill bit and the chuck can be assisted.

In summary, the utility model has the following advantages and beneficial technical effects:

1. the fixture for drilling the numerical control lathe is characterized in that the fixture is fixed on the tool rest, so that the drill bit is clamped more conveniently;

2. according to the fixture for drilling the numerical control lathe, the fixture is fixed in a two-side clamping mode, so that the fixture can be effectively prevented from shifting;

3. the clamping part of the fixture for drilling of the numerical control lathe can be detached and replaced, and the fixture can be suitable for drills with more diameters.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of the installation structure of a fixture and a tool rest for drilling of a numerical control lathe;

FIG. 2 is a schematic structural view of a clamping device of a fixture for drilling a numerical control lathe;

FIG. 3 is a schematic structural view of a fixture for drilling a numerical control lathe according to the present utility model;

FIG. 4 is a schematic structural view of a pad of a fixture for drilling a numerical control lathe according to the present utility model;

fig. 5 is a side view of the numerical control lathe drilling jig of the present utility model after installation.

The reference numerals in the drawings are:

1-a clamping device; 2-a base; 21-a clamping groove; 3-pressing into blocks; 31-a mounting table; 4-concave downward; 5-upper concave surface; 6-cushion blocks; 61-clamping the protrusion;

7-a knife rest; 71-clamping bolts; 8-a drill bit; 9-a chuck; 10-a workpiece; 11-a workbench.

Detailed Description

The utility model is further described in detail below with reference to fig. 1-5:

as shown in fig. 1 and 2, includes: clamping device 1 and cushion 6, cushion 6 have two, and clamping device 1 includes: the base 2 and go up briquetting 3, lower concave surface 4 has been seted up to the upper surface of base 2, and upward concave surface 5 has been seted up to the lower surface of going up briquetting 3, and upward concave surface 5 equals with the radian of lower concave surface 4, and the forehead side of going up briquetting 3 still is provided with mount table 31 the thickness of mount table 31 is less than the thickness of last briquetting 3, is connected with base 2 through the bolt on mount table 31 to with drill bit 8 centre gripping between concave surface 4 and upward concave surface 5 down.

Preferably, the center of the circle corresponding to the lower concave surface 4 and the upper concave surface 5 is equal to the center of the chuck 9.

Preferably, the arc length of the lower concave surface 4 and the upper concave surface 5 is smaller than half of the circumference of the corresponding circle, when the drill bit 8 is clamped, a gap is reserved between the upper pressing block 3 and the base 2, and the fastening effect of the bolt is better.

As shown in fig. 2, 3 and 4, clamping grooves 21 are formed on two sides of the base 2, clamping protrusions 61 are formed on the surface, connected with the base 21, of the cushion block 6, and the clamping protrusions 61 are connected with the clamping grooves 21 in a matching manner.

Preferably, the clamping device 1 is exchangeable according to the diameter of the different drill bits 8.

As shown in fig. 1, the assembled clamping device 1 and the spacer blocks 6 are mounted in the middle of the tool holder 7, the two spacer blocks 6 are clamped on the tool holder 7, and the clamping bolts 71 are screwed down, abutted against the spacer blocks 6 and clamped.

After the jig is mounted, as shown in fig. 5, the bit 8 is clamped between the base 2 and the upper press block 3 to adjust the position of the tool holder 7, and the bit 8 is aligned with the center of the workpiece 10.

The working principle of the fixture for drilling the numerical control lathe is as follows:

according to the drill bit 8 with different diameters, a proper clamping device 1 is selected, an upper pressing block 3 is fixed on a base 2 through bolts, two cushion blocks 6 are clamped on two sides of the clamping device 1, the clamping device 1 is fixed on a tool rest 7, the cushion blocks 6 are tightly propped up through clamping bolts 71, and finally the drill bit 8 is placed on a lower concave surface 4 to fasten the upper pressing block 3, so that the clamping of the drill bit is completed.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a numerical control lathe anchor clamps for drilling which characterized in that: including clamping device (1) and cushion (6), cushion (6) have two, cushion (6) detachable connection is in the both sides of clamping device (1), the middle part at knife rest (7) is installed in clamping device (1), cushion (6) centre gripping is connected the both sides of knife rest (7), drill bit (8) with clamping device (1) are connected.

2. The fixture for drilling of the numerically controlled lathe according to claim 1, wherein: clamping device (1) is including base (2) and last briquetting (3), the upper surface of base (2) is provided with concave surface (4) down, the lower surface of going up briquetting (3) is provided with concave surface (5) up, drill bit (8) with concave surface (4) down with the hole interference fit that concave surface (5) formed goes up, go up briquetting (3) with base (2) can dismantle and be connected.

3. The fixture for drilling of the numerically controlled lathe according to claim 2, wherein: the tool rest (7) is provided with a clamping bolt (71), and the clamping bolt (71) abuts against the upper surface of the cushion block (6).

4. The fixture for drilling of the numerically controlled lathe according to claim 2, wherein: the radians of the upper concave surface (5) and the lower concave surface (4) are equal, and the arc lengths are smaller than half of the circumference of the corresponding circle.

5. The fixture for drilling of the numerically controlled lathe according to claim 2, wherein: clamping grooves (21) are formed in two sides of the base (2), clamping protrusions (61) are arranged on one side, connected with the base (2), of each cushion block (6), and the clamping protrusions (61) are connected with the clamping grooves (21) in a matched mode.

6. The fixture for drilling of the numerically controlled lathe according to claim 2, wherein: mounting tables (31) are arranged on two sides of the upper pressing block (3), and the height of the upper surface of each mounting table (31) is lower than that of the upper surface of the upper pressing block (3).

7. The fixture for drilling of the numerically controlled lathe according to claim 2, wherein: after the clamping device (1) is arranged on the tool rest (7), the circle center of the circle corresponding to the upper concave surface (5) and the lower concave surface (4) is equal to the center of the chuck (9).