CN211889957U

CN211889957U - Wiper connects drilling and uses fixing device

Info

Publication number: CN211889957U
Application number: CN202020552782.0U
Authority: CN
Inventors: 罗中强; 唐聪; 龙杰
Original assignee: Chengdu Long'ao Spring Manufacturing Co ltd
Current assignee: Chengdu Long'ao Spring Manufacturing Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-10
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a fixing device for drilling a windscreen wiper joint, which relates to the technical field of windscreen wipers and comprises a workbench; the workbench is also provided with a supporting table, a positioning mechanism and a pressing mechanism, and the positioning mechanism and the pressing mechanism are positioned on the same side of the supporting table; the positioning mechanism comprises a vertical frame and a positioning shaft arranged on the vertical frame; the pressing mechanism comprises a side frame and a pushing device arranged on the side frame; the output end of the pushing device is fixedly provided with a pressing sleeve, and the pressing sleeve is further provided with a positioning hole matched with the positioning shaft. The utility model discloses it is fixed to make the wiper connect the rear end can pass through positioning mechanism and the accurate compressing tightly of hold-down mechanism cooperation to make the wiper connect the front end and can carry out accurate location before drilling, avoid the wiper to connect the front end and incline when drilling, make the drilling of wiper joint front end more accurate, make the quality and the qualification rate that the wiper connects improve greatly.

Description

Wiper connects drilling and uses fixing device

Technical Field

The utility model relates to a wiper technical field particularly, relates to a wiper connects drilling and uses fixing device.

Background

With the continuous development of the automobile industry, the number of automobiles used by people is gradually increased. In automotive products, a wiper blade is a very important part. In rainy days, when raindrops drop on the windshield in front of the automobile during driving, the objects in front of the automobile become blurred. At the moment, the windscreen wiper is started, so that rainwater on the windshield in front of the vehicle can be scraped, and the front is clear. The windscreen wiper can also clean dust, impurities and the like on the windshield.

At present, a wiper blade generally used for an automobile includes a wiper arm, a wiper blade capable of wiping a windshield, and a wiper blade joint connecting the two. However, in the prior art, a groove is concavely formed on the upper surface of the rear end of the wiper joint, a taper hole penetrates through the center of the groove, connecting pieces are arranged side by side on the front and rear sides of the front end of the wiper joint, a connecting hole penetrates through the connecting piece at the front end of the wiper joint, and a taper hole penetrates through the connecting piece at the rear end of the wiper joint. Because the front end of the windscreen wiper joint has a certain angle relative to the rear end, when a connecting hole at the front end of the windscreen wiper joint is machined, the connecting hole is not accurately positioned, so that the connecting hole at the front end of the windscreen wiper joint is machined to be inclined, the qualified rate of products is low, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wiper connects drilling with fixing device to solve above-mentioned problem.

For realizing the purpose of the utility model, the technical proposal adopted is that: a fixing device for drilling a windscreen wiper joint comprises a workbench; the workbench is also provided with a supporting table, a positioning mechanism and a pressing mechanism, and the positioning mechanism and the pressing mechanism are positioned on the same side of the supporting table; the positioning mechanism comprises a vertical frame and a positioning shaft arranged on the vertical frame; the pressing mechanism comprises a side frame and a pushing device arranged on the side frame; the output end of the pushing device is fixedly provided with a pressing sleeve, and the pressing sleeve is further provided with a positioning hole matched with the positioning shaft.

Furthermore, a push plate is further arranged on the inner side surface of the vertical frame, and a through hole matched with the positioning shaft is formed in the push plate; and the vertical frame is also provided with a telescopic device for pushing the push plate.

Furthermore, the number of the telescopic devices is two, and the two telescopic devices are respectively positioned on two sides of the positioning shaft.

Furthermore, the telescopic device and the pushing device are both cylinders.

Furthermore, the positioning shaft comprises a supporting rod and a conical head, and the conical head is located at the extending end of the supporting rod.

Furthermore, the positioning hole is trumpet-shaped.

Furthermore, a positioning strip is fixedly arranged on the supporting platform.

Furthermore, an avoiding notch is formed in the supporting platform.

Furthermore, the opening end of the bottom surface of the avoiding notch is inclined downwards.

Furthermore, the supporting table can move on the workbench, and the moving direction of the supporting table is perpendicular to the axial direction of the positioning shaft.

Furthermore, a guide groove is formed in the workbench, and the axis direction of the guide groove is perpendicular to the axis direction of the positioning shaft; the two sides of the supporting table are also provided with ear seats, the ear seats are provided with locking screws, the lower ends of the locking screws penetrate through the guide grooves and extend downwards, and locking nuts are arranged at the upper ends and the lower ends of the locking screws.

The utility model has the advantages that,

through a supporting table, positioning mechanism, hold-down mechanism three's cooperation, make the wiper connect when needs are drilled, the wiper connects the front end and can support through a supporting table, the wiper connects the rear end and can cooperate through positioning mechanism and hold-down mechanism and compress tightly fixedly accurately to make the wiper connect the front end and can carry out accurate location before drilling, avoid the wiper to connect the front end and incline when drilling, make the wiper connect the drilling of front end more accurate, make the quality and the qualification rate that the wiper connects improve greatly.

Drawings

Fig. 1 is a structural diagram of a fixing device for drilling a wiper blade joint provided by the present invention.

Reference numbers and corresponding part names in the drawings:

1. the device comprises a workbench, 2, a supporting table, 3, a positioning mechanism, 4, a pressing mechanism, 5, a push plate, 6, a through hole, 7, a telescopic device, 8, a positioning strip, 9, an avoiding notch, 10, a guide groove, 11, an ear seat, 12, a locking screw, 13 and a locking nut;

31. a vertical frame 32 and a positioning shaft;

41. side frame, 42, pushing device, 43, pressing sleeve, 44 and positioning hole.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides a wiper connector fixing device for drilling, which comprises a workbench 1; the workbench 1 is also provided with a support table 2, a positioning mechanism 3 and a pressing mechanism 4, and the positioning mechanism 3 and the pressing mechanism 4 are positioned on the same side of the support table 2; the positioning mechanism 3 comprises a vertical frame 31 and a positioning shaft 32 arranged on the vertical frame 31; the pressing mechanism 4 comprises a side frame 41 and a pushing device 42 arranged on the side frame 41; the output end of the pushing device 42 is fixedly provided with a pressing sleeve 43, and the pressing sleeve 43 is further provided with a positioning hole 44 matched with the positioning shaft 32.

The support table 2 is used for supporting the front end of the windscreen wiper during drilling, and the positioning mechanism 3 and the pressing mechanism 4 are simultaneously positioned on the left side or the right side of the support table 2; positioning mechanism 3 is used for fixing a position wiper joint rear end, and hold-down mechanism 4 is used for connecting the rear end to the wiper after the location and fixes, through brace table 2, positioning mechanism 3, hold-down mechanism 4's common cooperation, makes the wiper realize accurate location at both ends around connecting, not only makes the wiper connect the front end more accurate when drilling, and effectively prevents that the wiper connects the front end and produces the slope because of the effect of stress in drilling.

The vertical frame 31 is welded and fixed on the workbench 1, the positioning shaft 32 is welded or fixed on the vertical frame 31 through a connecting disc screw, and the central axis of the positioning shaft 32 is parallel to the horizontal plane of the workbench 1. The side frame 41 is parallel to the vertical frame 31, the side frame 41 is welded and fixed on the workbench 1, the pushing device 42 is fixedly installed on the outer side of the side frame 41 through a screw, and the output end of the pushing device 42 penetrates through the side frame 41 and extends to the positioning shaft 32; the pressing sleeve 43 is fixed with the output end of the pushing device 42 through a connecting flange, and the central axis of the positioning hole 44 and the central axis of the pressing sleeve 43 are on the same straight line; the positioning hole 44 does not penetrate through the pressing sleeve 43, and the opening end of the positioning hole 44 corresponds to the positioning shaft 32; the positioning hole 44 is in clearance fit with the positioning shaft 32, and the central axis of the positioning hole 44 and the central axis of the positioning shaft 32 are on the same straight line, so that when the pressing sleeve 43 moves towards the positioning shaft 32, the positioning shaft 32 can be accurately inserted into the pressing sleeve 43, the rear end of the windscreen wiper joint is accurately fixed between the pressing sleeve 43 and the side frame 41, and the rear end of the windscreen wiper joint is accurately positioned and fixed.

A push plate 5 is further mounted on the inner side surface of the vertical frame 31, and a through hole 6 matched with the positioning shaft 32 is formed in the push plate 5; the vertical frame 31 is also provided with a telescopic device 7 for pushing the push plate 5; the push plate 5 is parallel to the vertical frame 31, and the through hole 6 matched with the positioning shaft 32 is formed in the push plate 5, so that the rear end of the windscreen wiper connector can conveniently fall off from the positioning shaft 32 when the push plate 5 moves, and the push plate 5 can be guided by matching the through hole 6 with the positioning shaft 32 in the forward and backward processes; telescoping device 7 passes through screw fixed mounting in the outside of grudging post 31, and the output of telescoping device 7 runs through grudging post 31 and push pedal 5 and passes through the flange screw fixed, and the flexible push pedal 5 that promotes through telescoping device 7 removes, makes the wiper connect the front end after drilling finishes, and the wiper connects the rear end and can drop from location axle 32 fast through the promotion of push pedal 5, and it is more convenient to make the wiper connect the rear end take off from location axle 32.

The two telescopic devices 7 are respectively positioned on two sides of the positioning shaft 32, so that when the push plate 5 moves forwards, the thrust at two ends of the push plate 5 is kept balanced, and the thrust applied to the rear end of the windscreen wiper connector by the push plate 5 is more stable, thereby effectively preventing the push plate 5 from being clamped on the fixed shaft or causing the deformation of a taper hole at the rear end of the windscreen wiper connector due to uneven stress on the rear end of the windscreen wiper connector in the process of pushing the rear end of the windscreen wiper connector by the push plate 5.

The telescopic device 7 and the pushing device 42 are both cylinders, so that the telescopic device 7 and the pushing device 42 are more convenient to control; the telescopic device 7 and the pushing device 42 can be replaced by linear driving elements such as a hydraulic cylinder, an electronic telescopic rod and the like.

The positioning shaft 32 comprises a support rod 321 and a conical head 322, and the conical head 322 is located at the extending end of the support rod 321; the large diameter of the conical head 322 is larger than that of the conical hole at the rear end of the windscreen wiper connector, and the small diameter of the conical head 322 is smaller than that of the conical hole at the rear end of the windscreen wiper connector, so that the conical head is more conveniently inserted into the conical hole 322 at the rear end of the windscreen wiper connector, and the rear end of the windscreen wiper connector is more quickly and conveniently positioned; the positioning hole 44 is trumpet-shaped, and the taper of the positioning hole 44 is the same as that of the conical head 322, so that when the pressing sleeve 43 moves towards the positioning shaft 32, the conical head 322 can be quickly and accurately inserted into the positioning hole 44, and the positioning shaft 32 and the positioning hole 44 can be matched more quickly and accurately.

A positioning strip 8 is also fixedly arranged on the supporting platform 2; location strip 8 is the L form, and 8 welded fastening of location strip are at the edge of brace table 2, make the wiper connect the front end place back on brace table 2, and the wiper connects the front end and can fix a position in two directions to make the wiper connect the front end and can fix a position once more through location strip 8, make the wiper connect the position of front end more accurate, thereby make the wiper connect the drilling position of front end more accurate.

Set up on the brace table 2 and dodge breach 9, dodge breach 9 and be the L type, make wiper joint front end when drilling, dodge breach 9 and can dodge the drill bit that is used for drilling, prevent effectively that the drill bit from using on brace table 2.

The opening end of the bottom surface of the avoiding notch 9 is inclined downwards, and the opening end of the bottom surface of the avoiding notch 9 is the end of the bottom surface of the avoiding notch 9 penetrating through the side surface of the support table 2; dodge the open end inclination of 9 bottom surfaces of breach for the downward sloping 15 ~ 60, the iron fillings that make wiper joint front end produce when drilling can be through the automatic discharge of dead weight after dropping to dodging in the breach 9, make the clearance of iron fillings more convenient.

Supporting bench 2 can remove at workstation 1, and supporting bench 2's moving direction is perpendicular with the axis direction of location axle 32, when needs connect when drilling to the wiper of different length, the interval between adjustable supporting bench 2 and the setting to be suitable for and connect and drill to the wiper of different length, make the range of working wider.

The workbench 1 is provided with a guide groove 10, and the axial direction of the guide groove 10 is vertical to the axial direction of the positioning shaft 32; the two sides of the support table 2 are also provided with ear seats 11, the ear seats 11 are provided with locking screws 12, the lower ends of the locking screws 12 penetrate through the guide grooves 10 and extend downwards, and the upper ends and the lower ends of the locking screws 12 are provided with locking screw caps 13; the number of the guide grooves 10 is at least two, and the guide grooves 10 are uniformly arranged at intervals along the width direction of the support table 2; the width direction of the support table 2 is consistent with the axial direction of the positioning shaft 32, and the axial direction of the guide groove 10 is perpendicular to the width direction of the support table 2, so that when the support table 2 moves along the axial line, the linear distance between the support table 2 and the positioning shaft 32 is adjusted.

The number of the ear seats 11 is twice that of the guide grooves 10, and the ear seats 11 and the support platform 2 are of an integral structure; a plurality of ear seats 11 are positioned on both sides of the support platform 2; the locking screw 12 penetrates through the lug seat 11, the lower end of the locking screw 12 penetrates through the guide groove 10 and extends downwards, the locking nut 13 located at the lower end of the locking screw is used for enabling the locking screw 12 to be locked with the lower surface of the workbench 1, and the locking nut 13 located at the upper end of the locking screw is used for enabling the locking screw to be locked and fixed with the upper surface of the lug seat 11.

When the position of the support table 2 needs to be adjusted, the locking nut 13 at the upper end of the locking nut is loosened to unlock the lug seat 11 and the workbench 1, and the support table 2 is moved; after the support table 2 is moved to the fixed position, the lock nut 13 at the upper end of the lock screw 12 is tightened, so that the support table 2 is locked and fixed with the work table 1.

When the front end of the windscreen wiper needs to be drilled, a taper hole at the rear end of the windscreen wiper connector is inserted into the taper head 322, the front end of the windscreen wiper connector is placed on the supporting table 2, the pushing device 42 is started, the pushing device 42 pushes the pressing sleeve 43 to move towards the positioning shaft 32, the positioning shaft 32 is inserted into the positioning hole 44, the rear end of the windscreen wiper connector is pressed and fixed between the pushing plate 5 and the pressing sleeve 43, the pressing sleeve 43 presses the rear end of the windscreen wiper connector, meanwhile, the positioning strip 8 on the supporting table 2 can limit the front end of the windscreen wiper, and after the rear end of the windscreen wiper is pressed and fixed, the drilling equipment can rotate the front end of the windscreen wiper connector.

In order to facilitate drilling at the front end of the windscreen wiper joint, the conventional drilling equipment can be arranged above the workbench 1 through a bracket; or directly will the utility model discloses install on drilling equipment's workstation.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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.

Claims

1. A fixing device for drilling a windscreen wiper joint is characterized by comprising a workbench (1); the workbench (1) is also provided with a support table (2), a positioning mechanism (3) and a pressing mechanism (4), and the positioning mechanism (3) and the pressing mechanism (4) are both positioned on the same side of the support table (2); the positioning mechanism (3) comprises a vertical frame (31) and a positioning shaft (32) arranged on the vertical frame (31); the pressing mechanism (4) comprises a side frame (41) and a pushing device (42) arranged on the side frame (41); the output end of the pushing device (42) is fixedly provided with a pressing sleeve (43), and the pressing sleeve (43) is further provided with a positioning hole (44) matched with the positioning shaft (32).

2. The fixing device for drilling the wiper blade joint as recited in claim 1, wherein a push plate (5) is further mounted on the inner side surface of the stand (31), and a through hole (6) matched with the positioning shaft (32) is formed in the push plate (5); and the vertical frame (31) is also provided with a telescopic device (7) for pushing the push plate (5).

3. The wiper blade joint fixing device for drilling according to claim 2, wherein the number of the telescopic devices (7) is two, and the two telescopic devices (7) are respectively located on two sides of the positioning shaft (32).

4. The wiper blade joint fixing device for drilling according to claim 2 or 3, wherein the telescoping device (7) and the pushing device (42) are both air cylinders.

5. The wiper blade joint drilling fixture of claim 1, wherein the positioning shaft (32) comprises a support rod (321) and a bit (322), and the bit (322) is located at an extended end of the support rod (321).

6. The wiper blade joint drill fixture of claim 1 wherein said locating hole (44) is flared.

7. The wiper blade joint drilling fixture of claim 1, wherein a positioning strip (8) is further mounted on the support platform (2).

8. The fixing device for drilling the wiper blade joint as recited in claim 1, wherein an avoiding notch (9) is formed in the support platform (2), and an opening end of the bottom surface of the avoiding notch (9) is inclined downwards.

9. The wiper blade joint drilling fixture according to claim 1, wherein the support base (2) is movable on the table (1), and the support base (2) is moved in a direction perpendicular to the axial direction of the positioning shaft (32).

10. The fixing device for drilling the windscreen wiper joint as recited in claim 9, wherein a guide groove (10) is formed in the workbench (1), and the axial direction of the guide groove (10) is perpendicular to the axial direction of the positioning shaft (32); the support table is characterized in that ear seats (11) are further mounted on two sides of the support table (2), locking screws (12) are mounted on the ear seats (11), the lower ends of the locking screws (12) penetrate through the guide grooves (10) to extend downwards, and locking nuts (13) are mounted at the upper ends and the lower ends of the locking screws (12).