CN104526017A - A fast clamping nut drilling platform - Google Patents

Abstract

The invention discloses a rapid clamping nut drilling platform which comprises a base, wherein a rear support is arranged on the rear side of the base, a clamping platform is arranged at the end part of the rear support, a rotatable front clamping device is arranged at the front end of the clamping platform, a side positioning screw is arranged in the middle of the rear support, an upper jacking screw is arranged in the middle of the clamping platform, and a workpiece placing component is arranged at the position, corresponding to the upper jacking screw, of the upper end of the base. The invention adopts a rotatable front clamping device, the base is in a three-side open state, an elastic workpiece ejection shaft at the lower end of a rotatable workpiece ejection plate abuts against the front side of a workpiece, a side positioning screw abuts against the rear side of the workpiece, an upper ejection screw abuts against the upper end of the workpiece, the lower end of the workpiece is arranged on a rack positioning plate, the clamping speed is high, after the processing is finished, the rotatable workpiece ejection plate is rotated, the elastic workpiece ejection shaft is fixed in a rotary positioning hole, at the moment, the workpiece can be easily taken out, and the invention has the advantages of high clamping speed, high disassembly speed and stable processing quality.

Description

A fast clamping nut drilling platform

technical field

The invention relates to a nut drilling and clamping device, in particular to a fast clamping nut drilling platform.

Background technique

The steering screw nut pair of automobiles is an external circulation ball screw structure. The balls are circulated through two sets of conduits on the steering nut. The depth and position of the nut hole are high. At present, the traditional nut drilling and clamping device is a closed structure. , as shown in Figure 1, the two sides of the entire clamping device are sealed with a fixed plate, one of which is the workpiece pick-and-place opening, when the workpiece is placed in the frame, the fastening bolts 2 on the two fixed plates 1 will hold the workpiece 3. Processing after fixing. This kind of nut drilling and clamping device takes time to take the workpiece, the iron filings are not easy to clean, the processing efficiency is low, and the quality is unstable.

Contents of the invention

The object of the present invention is to address the above-mentioned defects of the prior art, and provide a quick-clamping nut drilling table with simple structure, convenient pick-and-place of workpieces, easy cleaning of iron filings, fast loading and unloading, and stable quality.

In order to solve the above-mentioned defects of the prior art, the technical solution provided by the present invention is: a fast clamping nut drilling platform, including a base, a rear bracket is provided on the rear side of the base, and a clamping bracket is provided at the end of the rear bracket. platform, the front end of the clamping platform is provided with a rotatable front clamping device, the middle part of the rear bracket is provided with side positioning screws, the middle part of the clamping platform is provided with top screws, and the upper end of the base corresponds to the The position of the top screw is provided with a workpiece placement component.

As an improvement of the quick clamping nut drilling platform of the present invention, the front clamping device includes a drill bush and a rotatable top workpiece plate installed on the front end of the clamping platform, and the upper end of the rotatable top workpiece plate passes through The positioning shaft of the top plate is connected to the drill sleeve, a guide sleeve is pierced at the lower end of the rotatable top workpiece plate, one end of the guide sleeve is fixed by a round nut, and an elastic top workpiece shaft is pierced inside the guide sleeve. , the shaft of the elastic top workpiece extending into the guide sleeve is covered with a spring, the two ends of the elastic top workpiece shaft extend out of the guide sleeve respectively, and the elastic top workpiece shaft extends out of the One end outside the guide sleeve is the top workpiece end, and the other end of the elastic top workpiece shaft protruding from the guide sleeve is provided with a knurled handle, and the knurled handle is fixedly connected to the elastic top workpiece shaft through a positioning pin superior.

As an improvement of the quick clamping nut drilling platform of the present invention, the end of the clamping platform is provided with at least one rotary positioning hole for the front clamping device, and the distance between the rotary positioning hole and the drill sleeve is Equal to the distance between the guide sleeve and the drill sleeve.

As an improvement of the quick clamping nut drilling platform of the present invention, the workpiece placement assembly includes a bottom plate, the bottom plate is provided with a rack positioning plate, and the rack positioning plate is fixed on the bottom plate by fastening screws superior.

As an improvement of the quick clamping nut drilling platform of the present invention, an adjusting nut is screwed on the side positioning screw.

As an improvement of the quick clamping nut drilling platform of the present invention, the upper end of the rotatable top workpiece plate is screwed to the top plate positioning shaft through a compression screw and a washer.

As an improvement of the quick clamping nut drilling platform of the present invention, the front end of the clamping platform is provided with two missing corners, and the rotary positioning hole is arranged on any one of the missing corners.

Compared with the prior art, the advantages of the present invention are: the present invention adopts a rotatable front clamping device, the base is open on three sides, the elastic top workpiece shaft at the lower end of the rotatable top workpiece plate bears against the front side of the workpiece, and the side positioning screw Withstand the rear side of the workpiece, the upper jack screw bears against the upper end of the workpiece, the lower end of the workpiece is installed on the rack positioning plate, the clamping speed is fast, after the processing is completed, turn the rotatable upper workpiece plate, so that the elastic jack workpiece axis is fixed in the rotary positioning hole At this time, the workpiece can be easily taken out. The present invention has fast clamping speed, fast dismounting speed and stable processing quality.

Description of drawings

Fig. 1 is the structure of the existing clamp nut drilling stand.

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a sectional view of A-A in Fig. 2 .

Name of reference signs: 1. Base 2. Rear support 3. Clamping platform 4. Front clamping device 5. Side positioning screw 6. Top screw 7. Workpiece placement component 8. Rotary positioning hole 9. Bottom plate 10. Rack Positioning plate 11, fastening screw 12, adjusting nut 13, compression screw 14, washer 15, missing corner 16, workpiece 41, drill sleeve 42, rotatable top workpiece plate 43, top plate positioning shaft 44, guide sleeve 45, round nut 46. Elastic top workpiece shaft 47. Spring 48. Top workpiece end 49. Knurled handle 40. Locating pin.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

As shown in Fig. 2, Fig. 3 and Fig. 4, a quick clamping nut drilling platform includes a base 1, a rear support 2 is provided on the rear side of the base 1, and a clamping platform 3 is provided at the end of the rear support 2 for clamping. The front end of the platform 3 is provided with a rotatable front clamping device 4, the middle part of the rear bracket 2 is provided with a side positioning screw 5, the middle part of the clamping platform 3 is provided with an upper top screw 6, and the upper end of the base 1 corresponds to the position of the upper top screw 6. There is a workpiece placement component 7 .

Preferably, the front clamping device 4 includes a drill sleeve 41 mounted on the front end of the clamping platform 3 and a rotatable top workpiece plate 42, and the upper end of the rotatable top workpiece plate 42 is connected to the drill sleeve 41 through a top plate positioning shaft 43, which can be rotated The lower end of the top workpiece plate 42 is pierced with a guide sleeve 44, one end of the guide sleeve 44 is fixed by a round nut 45, and an elastic top workpiece shaft 46 is worn inside the guide sleeve 44, and the elastic top workpiece shaft 46 stretches into the guide sleeve 44. A spring 47 is set on the axle rod, and the two ends of the elastic jacking workpiece shaft 46 extend out of the guide sleeve 44 respectively, and the end of the elastic jacking workpiece shaft 46 stretching out of the guide sleeve 44 is the jacking workpiece end 48, and the elastic jacking workpiece shaft 46 extends out of the guide sleeve 44. The other end of the guide sleeve 44 is provided with a knurled handle 49 , and the knurled handle 49 is fixedly connected to the elastic top workpiece shaft 46 through a positioning pin 40 .

Preferably, the end of the clamping platform 3 is provided with at least one rotary positioning hole 8 for the front clamping device, and the distance between the rotary positioning hole 8 and the drill sleeve 41 is equal to the distance between the guide sleeve 44 and the drill sleeve 41 .

Preferably, the workpiece placement assembly 7 includes a bottom plate 9 on which a rack positioning plate 10 is arranged, and the rack positioning plate 10 is fixed on the bottom plate 9 by fastening screws 11 .

Preferably, an adjusting nut 12 is screwed on the side positioning screw 5 .

Preferably, the upper end of the rotatable top workpiece plate 42 is screwed to the top plate positioning shaft 43 through the compression screw 13 and the pressure washer 14 .

Preferably, the front end of the clamping platform 3 is provided with two missing corners 15 , and the rotary positioning hole 8 is provided on any one of the missing corners 15 .

The base used in the present invention is in an open state on three sides, the elastic top workpiece shaft 46 at the lower end of the rotatable top workpiece plate 42 withstands the front side of the workpiece 16, the side positioning screw 5 withstands the rear side of the workpiece 16, and the upper top screw 6 withstands the upper end of the workpiece 16 , the lower end of the workpiece 16 is installed on the rack positioning plate 10, and the clamping speed is fast. After the processing is completed, the rotatable top workpiece plate 42 is rotated so that the elastic top workpiece shaft 46 is fixed in the rotary positioning hole 8. At this time, the workpiece 16 can be easily removed.

Claims (7)

1. a quick action nut block, comprise base (1), it is characterized in that, described base (1) rear side is provided with after-poppet (2), described after-poppet (2) end is provided with clamping platform (3), the front end of described clamping platform (3) is provided with rotatable front clamp device (4), described after-poppet (2) middle part is provided with side dog screw (5), the middle part of described clamping platform (3) is provided with screw (6), and the position of the corresponding described upper screw (6) in described base (1) upper end is provided with workpiece placing modules (7).

2. quick action nut block according to claim 1, it is characterized in that, described front clamp device (4) comprises the drill bushing (41) that is installed on described clamping platform (3) front end and rotatably pushes up work plate (42), the upper end of described rotatable top work plate (42) is connected on described drill bushing (41) by top board locating shaft (43), work plate (42) lower end, described rotatable top is equipped with a guide pin bushing (44), one end of described guide pin bushing (44) is fixed by round nut (45), be equipped with by an elastic top workpiece spindle (46) in described guide pin bushing (44), described elastic top workpiece spindle (46) shaft rod upper sleeve stretched in described guide pin bushing (44) has a spring (47), described guide pin bushing (44) is stretched out outward respectively in the two ends of described elastic top workpiece spindle (46), described elastic top workpiece spindle (46) stretches out described guide pin bushing (44) one end outward for top work end (48), described elastic top workpiece spindle (46) is stretched out described guide pin bushing (44) other end outward and is provided with a knurling handle (49), described knurling handle (49) is fixedly connected on described elastic top workpiece spindle (46) by an alignment pin (40).

3. quick action nut block according to claim 2, it is characterized in that, the end of described clamping platform (3) is provided with at least one for described front clamp device revolution locating hole (8), and described revolution locating hole (8) equals the distance of guide pin bushing (44) and described drill bushing (41) with the distance of described drill bushing (41).

4. quick action nut block according to claim 1, it is characterized in that, described workpiece placing modules (7) comprises a base plate (9), described base plate (9) is provided with tooth bar location-plate (10), and described tooth bar location-plate (10) is fixed on described base plate (9) by trip bolt (11).

5. quick action nut block according to claim 1, is characterized in that, described side dog screw (5) is bolted with an adjusting nut (12).

6. quick action nut block according to claim 2, is characterized in that, the upper end of described rotatable top work plate (42) to be spirally connected described top board locating shaft (43) fixing by housing screw (13) pressure pad circle (14).

7. quick action nut block according to claim 3, is characterized in that, the front end of described clamping platform (3) is provided with two unfilled corners (15), and described revolution locating hole (8) is arranged in any one unfilled corner (15).