CN218533618U

CN218533618U - Positioning fixture for drilling machine

Info

Publication number: CN218533618U
Application number: CN202222739701.XU
Authority: CN
Inventors: 邓冬亮; 钟平; 田春玲
Original assignee: Foshan Shunde Yaoli Metal Products Co ltd
Current assignee: Foshan Shunde Yaoli Metal Products Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-02-28
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to a drilling machine technical field, especially a positioning fixture for drilling machine, the on-line screen storage device comprises a base, two U-shaped supports of one side fixedly connected with of base, two first mounting groove has all been seted up at the both ends of U-shaped support. The utility model has the advantages of: through the cooperation setting of cam, teeth of a cogwheel, guide way, baffle, biaxial motor, first lead screw, second lead screw, movable plate, slide, rack, gear, guiding hole, pressure spring, movable rod, first splint, L shape rotating turret, second splint and protection pad only needs to start biaxial motor can carry out the fixed work of a plurality of directions to the work piece simultaneously to make the operation of fixing a position the work piece comparatively simple and convenient, very big reduction the required time of location work piece, reached the effect that improves location efficiency and machining efficiency, and this positioning fixture only needs a motor can accomplish the tight work of multiaspect clamp to the work piece promptly, has reduced the cost of production.

Description

Positioning fixture for drilling machine

Technical Field

The utility model relates to a drilling machine technical field, especially a positioning fixture for drilling machine.

Background

The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Usually, the drill bit rotates to main motion, the drill bit moves axially to feed motion, the drilling machine is simple in structure, machining precision is relatively low, through holes and blind holes can be drilled, special cutters can be replaced, machining such as expanding, reaming and reaming or tapping can be carried out, a workpiece is fixed in the machining process, a cutter moves, the center of the cutter is aligned with the center of the hole, the cutter rotates (main motion), and the drilling machine is characterized in that the workpiece is fixed and the cutter rotates. The drilling machine needs to use a positioning clamp to position a workpiece in the using process.

The positioning fixture is divided into manual and automatic modes for positioning and clamping workpieces, the manual mode wastes time when the multiple surfaces are required to be clamped, and a machined part cannot be quickly positioned, so that a large amount of time is consumed by the positioning fixture in the positioning process, the problem that the clamping efficiency of the positioning fixture is low is caused, the machining efficiency of the drilling machine is reduced, the automatic clamping and positioning mode requires a plurality of driving parts such as cylinders for positioning and clamping the multiple surfaces, and the production cost is increased.

It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions in the present specification and for the understanding of those skilled in the art. These solutions are not considered to be known to those skilled in the art merely because they are set forth in the background section of this specification.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, an object of the present invention is to provide a positioning fixture for drilling machine, so as to solve the problems mentioned in the background art and overcome the disadvantages existing in the prior art.

In order to achieve the above object, an embodiment of the utility model provides an aspect provides a positioning fixture for drilling machine, the on-line screen storage device comprises a base, two U-shaped supports of one side fixedly connected with of base, two first mounting groove has all been seted up at the both ends of U-shaped support, two the inner wall of first mounting groove all is connected with first supporting axle through the bearing rotation, the outer fixed surface of first supporting axle is connected with the cam, the outer fixed surface of cam is connected with a plurality of teeth of a cogwheel, the guide way has been seted up at the middle part of base one side, the inner wall fixedly connected with baffle of guide way, one side fixed mounting of baffle has the biax motor, an output end fixedly connected with first lead screw of biax motor, another output end fixedly connected with second lead screw of biax motor, the equal threaded connection of surface of first lead screw and second lead screw has the movable plate, two the equal fixedly connected with slide in one side of movable plate, the equal fixedly connected with rack in two the surface of slide all meshes the gear, the guiding hole has been seted up to one side of guide hole, the inner wall fixedly connected with pressure spring, the one end fixedly connected with movable rod is connected with L of movable rod the L clamp plate, the equal articulated protection plate that has one side of second clamp plate and the L clamp plate, the one side of second clamp plate is connected with L clamp plate.

Preferably, by any one of the above schemes, one side of the U-shaped support is fixedly connected with two supporting plates, two second mounting grooves are formed in one side of each supporting plate, the inner wall of each second mounting groove is rotatably connected with a second supporting shaft through a bearing, and the outer surface of each second supporting shaft is fixedly connected with the gear.

The technical effect achieved by adopting the scheme is as follows: the gear is supported, and stability of the gear in rotation is guaranteed.

Preferably, the gear is corresponding to the position of the gear teeth, and the gear is meshed with the gear teeth.

The technical effect achieved by adopting the scheme is as follows: the gear teeth can drive the cam to rotate along with the rotation of the gear.

In any of the above embodiments, preferably, the turning directions of the first screw rod and the second screw rod are opposite, and the screw pitches of the first screw rod and the second screw rod are the same.

The technical effect achieved by adopting the scheme is as follows: the two moving plates can make relative motion and move for the same distance at the same time.

Preferably, in any one of the above aspects, the moving plate is slidably connected to the guide groove, and a width of the moving plate is equal to a width of the guide groove.

The technical effect achieved by adopting the scheme is as follows: the movable plate is guided, so that the movable plate can only move linearly along the direction of the guide groove.

Preferably, in any one of the above aspects, the length of the compression spring is smaller than the depth of the guide hole, the movable rod is slidably connected with the guide hole, and the diameter of the movable rod is equal to the diameter of the guide hole.

The technical effect achieved by adopting the scheme is as follows: the movable rod can only move along the direction of the guide hole and extrude the compression spring.

Compared with the prior art, the utility model has the advantages and beneficial effects of do:

1. through the cooperation setting of cam, teeth of a cogwheel, guide way, baffle, biax motor, first lead screw, second lead screw, movable plate, slide, rack, gear, guiding hole, pressure spring, movable rod, first splint, L shape rotating turret, second splint and protection pad only need start the biax motor can carry out the fixed work of a plurality of directions to the work piece simultaneously to make the operation of location work piece comparatively simple and convenient, very big reduction the required time of location work piece, reached the effect that improves positioning efficiency and machining efficiency, and this positioning fixture only needs a motor can accomplish the multiaspect clamping work to the work piece promptly, has reduced the cost of production.

Drawings

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

fig. 2 is a schematic view of a second perspective structure of the present invention;

FIG. 3 is a schematic structural view of the U-shaped bracket and the connecting member thereof according to the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the slide board of the present invention.

In the figure: 1-base, 2-U-shaped bracket, 3-first mounting groove, 4-first supporting shaft, 5-cam, 6-gear tooth, 7-guide groove, 8-clapboard, 9-double-shaft motor, 10-first screw rod, 11-second screw rod, 12-moving plate, 13-sliding plate, 14-rack, 15-gear, 16-guide hole, 17-compression spring, 18-moving rod, 19-first clamping plate, 20-L-shaped rotating frame, 21-second clamping plate, 22-protective pad, 23-supporting plate, 24-second mounting groove and 25-second supporting shaft.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 4, a positioning fixture for a drilling machine comprises a base 1, wherein one side of the base 1 is fixedly connected with two U-shaped brackets 2, two ends of each U-shaped bracket 2 are respectively provided with a first mounting groove 3, inner walls of the two first mounting grooves 3 are respectively rotatably connected with a first supporting shaft 4 through bearings, the outer surface of the first supporting shaft 4 is fixedly connected with a cam 5, the outer surface of the cam 5 is fixedly connected with a plurality of gear teeth 6, the middle part of one side of the base 1 is provided with a guide groove 7, the inner wall of the guide groove 7 is fixedly connected with a partition plate 8, one side of the partition plate 8 is fixedly provided with a double-shaft motor 9, one output end of the double-shaft motor 9 is fixedly connected with a first lead screw 10, the other output end of the double-shaft motor 9 is fixedly connected with a second lead screw 11, the outer surfaces of the first lead screw 10 and the second lead screw 11 are respectively in threaded connection with a movable plate 12, and one side of the two movable plates 12 is fixedly connected with a sliding plate 13, two symmetrical side surfaces of the sliding plate 13 are fixedly connected with racks 14, gears 15 are meshed with the outer surfaces of the two racks 14, one side of the sliding plate 13 is provided with a guide hole 16, the inner wall of the guide hole 16 is fixedly connected with a compression spring 17, one end of the compression spring 17 is fixedly connected with a movable rod 18, one end of the movable rod 18 is fixedly connected with a first clamping plate 19, the outer surface of the cam 5 is fixedly connected with an L-shaped rotating frame 20, one end of the L-shaped rotating frame 20 is hinged with a second clamping plate 21, one side of the first clamping plate 19 and one side of the second clamping plate 21 are both fixedly connected with a protection pad 22, the protection pad 22 is made of rubber, a workpiece can be protected while being clamped, so that the workpiece can be greatly prevented from being damaged, when the workpiece needs to be positioned and clamped, the double-shaft motor 9 is started to enable the first lead screw 10 and the second lead screw 11 to rotate, at the moment, the two moving plates 12 drive the two sliding plates 13 to do relative motion simultaneously and move for the same distance, the first clamping plate 19 and the protection pad 22 on the first clamping plate 19 are firstly contacted with one side of a workpiece, along with the movement of the sliding plates 13, the compression spring 17 is in a compressed state, the first clamping plate 19 is tightly attached to the workpiece under the reaction force of the compression spring 17, at the moment, the clamping work is performed on two side surfaces of the workpiece, along with the movement of the sliding plates 13, the gear 15 rotates under the transmission action of the rack 14, the gear 15 is meshed with the gear teeth 6, the L-shaped rotating frame 20 drives the second clamping plate 21 to move under the action of the first supporting shaft 4, the workpiece is clamped through the second clamping plate 21 and the protection pad 22 on the second clamping plate 21, and therefore the whole clamping work is completed.

As an optional technical scheme of the utility model, two backup pads 23 of one side fixedly connected with of U-shaped support 2, second mounting groove 24 has all been seted up to one side of two backup pads 23, and the inner wall of second mounting groove 24 is rotated through the bearing and is connected with second back shaft 25, and gear 15 is supported to the surface and the 15 fixed connection of gear of second back shaft 25, guarantees gear 15 stability when rotating.

As an optional technical scheme of the utility model, gear 15 is corresponding with the position of teeth of a cogwheel 6, and gear 15 meshes with teeth of a cogwheel 6 mutually, can make teeth of a cogwheel 6 drive cam 5 along with gear 15's rotation and rotate.

As an optional technical scheme of the utility model, the turning direction of first lead screw 10 and second lead screw 11 is opposite, and first lead screw 10 is the same with the pitch of second lead screw 11, can make two movable plates 12 do relative motion simultaneously and remove the same distance.

As an optional technical scheme of the utility model, movable plate 12 and guide way 7 sliding connection, the width of movable plate 12 equals the width of guide way 7, plays the guide effect to movable plate 12, makes movable plate 12 only can carry out linear motion along the direction of guide way 7.

As a selectable technical scheme of the utility model, compression spring 17's length is less than the degree of depth of guiding hole 16, and

movable rod

18 and 16 sliding connection of guiding hole, the diameter of movable rod 18 equals the diameter of guiding hole 16, makes movable rod 18 only can remove and extrude compression spring 17 along the direction of guiding hole 16.

A positioning fixture for a drilling machine has the following working principle:

the double-shaft motor 9 is started to enable the first screw rod 10 and the second screw rod 11 to rotate, at the moment, the two moving plates 12 drive the two sliding plates 13 to move relatively and move for the same distance, the first clamping plate 19 and the protective pad 22 on the first clamping plate 19 are firstly contacted with one side of a workpiece, the compression spring 17 is in a compressed state along with the movement of the sliding plates 13, the first clamping plate 19 is tightly attached to the workpiece under the reaction force of the compression spring 17, at the moment, the two side faces of the workpiece are clamped, the gear 15 rotates under the transmission effect of the rack 14 along with the movement of the sliding plates 13, the gear 15 is meshed with the gear teeth 6, the L-shaped rotating frame 20 drives the second clamping plate 21 to move under the effect of the first supporting shaft 4, the workpiece is clamped through the second clamping plate 21 and the protective pad 22 on the second clamping plate 21, and therefore the clamping and positioning work of the workpiece is completed.

To sum up, this positioning fixture for drilling machine, through cam 5, the teeth of a cogwheel 6, guide way 7, baffle 8, double-shaft motor 9, first lead screw 10, second lead screw 11, movable plate 12, slide 13, rack 14, gear 15, guiding hole 16, pressure spring 17, movable rod 18, first splint 19, L shape rotating turret 20, the cooperation setting of second splint 21 and protection pad 22, only need start double-shaft motor 9 can carry out the fixed work of a plurality of directions to the work piece simultaneously, thereby make the operation of positioning workpiece comparatively simple and convenient, very big reduction positioning workpiece required time, the effect that has improved positioning efficiency and machining efficiency has been reached, and this positioning fixture only need a motor can accomplish the multiaspect clamping work to the work piece promptly, the cost of production has been reduced.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a positioning fixture for drilling machine which characterized in that: comprises a base (1), wherein two U-shaped brackets (2) are fixedly connected to one side of the base (1), first mounting grooves (3) are respectively formed in two ends of each U-shaped bracket (2), the inner walls of the two first mounting grooves (3) are respectively rotatably connected with a first supporting shaft (4) through bearings, a cam (5) is fixedly connected to the outer surface of each first supporting shaft (4), a plurality of gear teeth (6) are fixedly connected to the outer surface of each cam (5), a guide groove (7) is formed in the middle of one side of the base (1), a partition plate (8) is fixedly connected to the inner wall of each guide groove (7), a double-shaft motor (9) is fixedly mounted on one side of each partition plate (8), a first lead screw (10) is fixedly connected to one output end of each double-shaft motor (9), a second lead screw (11) is fixedly connected to the other output end of the other side of the double-shaft motor (9), a movable plate (12) is in threaded connection with the outer surfaces of the first lead screw (10) and the second lead screw (11), a sliding plate (13) is fixedly connected to one side of the two sliding plates (13), two sliding plates (14) are symmetrically connected with a rack (14), and a sliding plate (16) is meshed with a guide hole (16), the inner wall fixedly connected with pressure spring (17) of guiding hole (16), the one end fixedly connected with movable rod (18) of pressure spring (17), the first splint (19) of one end fixedly connected with of movable rod (18), the outer fixed surface of cam (5) is connected with L shape rotating turret (20), the one end of L shape rotating turret (20) articulates there is second splint (21), the equal fixedly connected with protection pad (22) in one side of first splint (19) and second splint (21).

2. The positioning fixture for the drilling machine according to claim 1, wherein: two backup pads (23) of one side fixedly connected with of U-shaped support (2), two second mounting groove (24) have all been seted up to one side of backup pad (23), the inner wall of second mounting groove (24) rotates through the bearing and is connected with second back shaft (25), the surface and gear (15) fixed connection of second back shaft (25).

3. The positioning fixture for the drilling machine as claimed in claim 2, wherein: the gear (15) corresponds to the position of the gear teeth (6), and the gear (15) is meshed with the gear teeth (6).

4. The positioning fixture for the drilling machine according to claim 3, wherein: the turning directions of the first screw rod (10) and the second screw rod (11) are opposite, and the screw pitches of the first screw rod (10) and the second screw rod (11) are the same.

5. The positioning fixture for the drilling machine as claimed in claim 4, wherein: the moving plate (12) is connected with the guide groove (7) in a sliding mode, and the width of the moving plate (12) is equal to that of the guide groove (7).

6. The positioning fixture for the drilling machine according to claim 5, wherein: the length of the compression spring (17) is smaller than the depth of the guide hole (16), the movable rod (18) is connected with the guide hole (16) in a sliding mode, and the diameter of the movable rod (18) is equal to that of the guide hole (16).