CN210499303U

CN210499303U - Auxiliary clamp for drilling machine

Info

Publication number: CN210499303U
Application number: CN201921259297.8U
Authority: CN
Inventors: 陈雷; 张金海; 刘继周; 陈怡衡
Original assignee: Jiaxiang Machinery Factory Co Ltd
Current assignee: Jiaxiang Machinery Factory Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-12
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a drill jig technical field, concretely relates to auxiliary clamp for drilling machine. Including first clamping mechanism and the second clamping mechanism that base and structure are the same and bilateral symmetry set up, both ends all are provided with motor cabinet and support frame about the base, be provided with the spout on the motor cabinet, first clamping mechanism and second clamping mechanism all include the carousel, motor and lead screw, be provided with the shaft coupling between motor and the lead screw, the centre of carousel is provided with T type screw, the belly fixed connection of T type screw is on the support frame, all be provided with a plurality of draw-in grooves on the alar part terminal surface of T type screw and the outside terminal surface of carousel, all be provided with the bayonet lock in every draw-in groove, the screw cup joints with the lead screw, the end-to-end rotation of lead screw is connected with the chuck, the inboard terminal surface outer fringe fixed connection of carousel has 4 gag lever posts, be provided with the spacing hole corresponding with gag lever post position on the chuck. The whole rotation of the chuck and the workpiece can be realized, and the workpiece drilling efficiency is improved.

Description

Auxiliary clamp for drilling machine

Technical Field

The utility model relates to a drill jig technical field, concretely relates to auxiliary clamp for drilling machine.

Background

The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Typically the drill bit is rotated into a primary motion and the drill bit is moved axially into a feed motion. The drilling machine is simple in structure, relatively low in machining precision, capable of drilling through holes and blind holes, replacing special cutters, and capable of expanding, reaming or tapping and the like. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates (main motion). The drilling machine is characterized in that a workpiece is fixed and a cutter does rotary motion.

A drill jig is a fixture for machining a workpiece on a drill. When the drilling machine is used for drilling and machining the workpiece, the workpiece is only required to be fixed by the drilling machine fixture and then drilled by the drill bit. However, in the actual production process, the same workpiece is often required to be drilled in multiple directions, and the workpiece is difficult to turn over after being fixed by the traditional drilling machine fixture, and only can be taken down and turned over to be fixed, so that the process is time-consuming and labor-consuming; meanwhile, the operation of clamping and fixing the workpiece after the workpiece is taken down is difficult to ensure the correspondence of the drilling position of the workpiece.

SUMMERY OF THE UTILITY MODEL

To foretell not enough, the utility model provides an auxiliary clamp for drilling machine.

The utility model provides a technical scheme that its technical problem adopted is: an auxiliary clamp for a drilling machine comprises a base, a first clamping mechanism and a second clamping mechanism which are identical in structure and are arranged in a bilateral symmetry mode, wherein a motor base and a support frame are arranged at the left end and the right end of the base, a sliding groove is formed in the motor base, the first clamping mechanism and the second clamping mechanism respectively comprise a rotary table, a motor and a lead screw, a sliding rail is arranged on the motor and slides in the sliding groove, a coupler is arranged between the motor and the lead screw, a T-shaped screw is arranged in the center of the rotary table, the belly of the T-shaped screw is fixedly connected to the support frame, a plurality of clamping grooves are formed in the wing end face of the T-shaped screw and the outer end face of the rotary table, clamping pins are arranged in each clamping groove, the screw is sleeved with the lead screw, a clamping head is connected to the tail end of the lead screw in a rotating mode, and 4 limiting rods, the chuck is provided with a limiting hole corresponding to the position of the limiting rod, and the limiting rod is connected in the limiting hole in a sliding mode.

As optimization, a plurality of uniformly distributed bolt inner holes are formed in the rotary table, bolt outer holes are formed in the support frame, bolts are connected in the bolt outer holes in a sliding mode, the bolts are located in the bolt inner holes and the bolt outer holes at the same time and only located in the bolt outer holes, and when a workpiece and a chuck are required to be fixed, the bolts are located in the bolt inner holes and the bolt outer holes at the same time; when the workpiece and the chuck are required to be integrally rotated, the bolt is only positioned in the bolt outer hole.

Preferably, a bearing is arranged at the joint of the lead screw and the chuck.

Preferably, a gap is arranged between the motor base and the support frame, and the width of the gap is larger than the length of the bolt.

Preferably, the clamping surface of the chuck is provided with a plurality of clamping rings, all the clamping rings are concentrically arranged and are in a step shape, the side surface of the chuck is provided with a clamping groove, and the bottom surface of the clamping groove is in an arc shape.

The utility model has the advantages that: the utility model provides an auxiliary clamp for a drilling machine, which has simple structure and reasonable design; the whole rotation of chuck and work piece can be realized, and the relative position of work piece and drill bit can not consequently change simultaneously, and labour saving and time saving has improved the efficiency of work piece drilling, also can guarantee the machining precision.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is a front view schematically illustrating the present invention;

fig. 4 is a schematic cross-sectional view taken along line a-a in fig. 3.

The clamping device comprises a first clamping mechanism 1, a second clamping mechanism 2, a base 3, a base 4, a bolt 101, a turntable 102, a motor 103, a coupler 104, a lead screw 105, a limiting rod 106, a clamping head 107, a limiting hole 108, a clamping ring 109, a clamping groove 201, a T-shaped nut 202, a clamping groove 203, a clamping pin 204, a bearing 301, a motor base 302, a sliding groove 303 and a supporting frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, the auxiliary fixture for the drilling machine comprises a base 3 and a first clamping mechanism 1 and a second clamping mechanism 2 which are the same in structure and are arranged symmetrically left and right, wherein a motor base 301 and a support frame 303 are arranged at both left and right ends of the base 3, a sliding groove 302 is arranged on the motor base 301, each of the first clamping mechanism 1 and the second clamping mechanism 2 comprises a rotary table 101, a motor 102 and a lead screw 104, a sliding rail is arranged on the motor 102 and slides in the sliding groove 302, a coupling 103 is arranged between the motor 102 and the lead screw 104, a T-shaped nut 201 is arranged in the center of the rotary table 101, the abdomen of the T-shaped nut 201 is fixedly connected to the support frame 303, a plurality of clamping grooves 202 are arranged on the wing end face of the T-shaped nut 201 and the outer end face of the rotary table 101, a clamping pin 203 is arranged in each clamping groove 202, and the nut is sleeved with the, the tail end of the lead screw 104 is rotatably connected with a chuck 106, the outer edge of the inner side end face of the turntable 101 is fixedly connected with 4 limiting rods 105, limiting holes 107 corresponding to the limiting rods 105 are formed in the chuck 106, and the limiting rods 105 are connected in the limiting holes 107 in a sliding mode.

In this embodiment, a plurality of uniformly distributed bolt inner holes are formed in the turntable 101, bolt outer holes are formed in the support frame 303, bolts 4 are slidably connected in the bolt outer holes, the bolts 4 are in two states of being located in the bolt inner holes and the bolt outer holes at the same time and being located in the bolt outer holes only, and when a workpiece and the chuck 106 need to be fixed, the bolts 4 are located in the bolt inner holes and the bolt outer holes at the same time; when the workpiece needs to be rotated integrally with the chuck 106, the pin 4 is only located in the pin outer hole.

In this embodiment, the bearing 204 is disposed at the connection between the lead screw 104 and the chuck 106, so that the connection between the lead screw 104 and the chuck 106 can rotate more smoothly.

In this embodiment, be provided with the interval between motor cabinet 301 and the support frame 303, and the length that the width of interval is greater than bolt 4 makes things convenient for the operation workman to pull out bolt 4 and insert.

In this embodiment, a plurality of clamping rings 108 are disposed on a clamping surface of the chuck 106, all the clamping rings 108 are concentrically disposed and are in a step shape, a clamping groove 109 is formed in a side surface of the chuck 106, and a bottom surface of the clamping groove 109 is in an arc shape, so that clamping of tubular workpieces with different diameters and different states can be satisfied.

The working principle is as follows: the utility model provides an auxiliary clamp for drilling machine, the motor 102 that starts first clamping mechanism 1 and second clamping mechanism 2 simultaneously when using makes lead screw 104 rotate, and bayonet 203 chucking carousel 101 and T type screw 201 at this moment do not make carousel 101 and T type screw 201 take place relative rotation, and bolt 4 restricts the relative position of carousel 101 and support frame 303 simultaneously, and then promotes chuck 106 and moves forward along the length direction of gag lever post 105, until clamping workpiece; when drilling in other directions of the workpiece is needed, the plug pin 4 which is positioned in the plug pin inner hole and the plug pin outer hole at the same time is pulled out, the bayonet 203 is opened, and after the angle is adjusted by rotating the turntable 101, the bayonet 203 is closed and the plug pin 4 is positioned in the plug pin inner hole and the plug pin outer hole at the same time.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an auxiliary clamp for drilling machine which characterized in that: the clamping device comprises a base and a first clamping mechanism and a second clamping mechanism which are identical in structure and are symmetrically arranged in the left and right directions, wherein a motor base and a support frame are arranged at the left end and the right end of the base, a sliding groove is formed in the motor base, the first clamping mechanism and the second clamping mechanism comprise a rotary table, a motor and a lead screw, a sliding rail is arranged on the motor and slides in the sliding groove, a coupler is arranged between the motor and the lead screw, a T-shaped screw is arranged in the center of the rotary table, the belly of the T-shaped screw is fixedly connected to the support frame, a plurality of clamping grooves are formed in the wing end face of the T-shaped screw and the outer end face of the rotary table, a clamping pin is arranged in each clamping groove, the screw is sleeved with the lead screw, a clamping head is connected to the tail end of the lead screw in a rotating manner, 4 limiting rods are fixedly connected to the outer edge of the inner, the limiting rod is connected in the limiting hole in a sliding mode.

2. The auxiliary clamp for a drilling machine according to claim 1, wherein: the rotary table is provided with a plurality of uniformly distributed bolt inner holes, the support frame is provided with bolt outer holes, bolts are connected in the bolt outer holes in a sliding mode, the bolts are located in the bolt inner holes and the bolt outer holes at the same time and only in the bolt outer holes, and when a workpiece and a chuck are required to be fixed, the bolts are located in the bolt inner holes and the bolt outer holes at the same time; when the workpiece and the chuck are required to be integrally rotated, the bolt is only positioned in the bolt outer hole.

3. The auxiliary clamp for a drilling machine according to claim 2, wherein: and a bearing is arranged at the joint of the screw rod and the chuck.

4. The auxiliary clamp for a drilling machine according to claim 3, wherein: a gap is arranged between the motor base and the support frame, and the width of the gap is larger than the length of the bolt.

5. The auxiliary clamp for a drilling machine according to claim 4, wherein: the clamping device is characterized in that a plurality of clamping rings are arranged on the clamping surface of the clamping head, all the clamping rings are concentrically arranged and are in a step shape, a clamping groove is formed in the side surface of the clamping head, and the bottom surface of the clamping groove is arc-shaped.