CN217800300U

CN217800300U - Simple and fast's disc class work piece excircle frock of punching

Info

Publication number: CN217800300U
Application number: CN202221354964.2U
Authority: CN
Inventors: 徐海昆; 徐海龙; 徐建昆; 兰超; 锡建标; 杨河山; 薛家冰; 张兴和
Original assignee: Kunming Honggu Machinery Manufacturing Co ltd
Current assignee: Kunming Honggu Machinery Manufacturing Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-15
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a simple swift disc class work piece excircle frock of punching, the horizontal extension of location axle be fixed in on the base lateral wall, the location axle can with disc class work piece centre bore sliding fit, the clamp plate is equipped with the waist groove for the rectangular board of "L" shape structure and long edge, the clamp plate wears to establish the disc class work piece outside at the location axle through waist groove slidable, the "L" shape structure minor face of clamp plate just can support to press on disc class work piece excircle towards disc class work piece, the outer terminal surface on tight clamp plate long limit can be supported in the screw thread section of locating the location axle outside in the holding screw meshing. The utility model discloses a location axle makes the outer disc axis of disc class work piece form the horizontality, then can compress tightly and radially collude disc class work piece with the clamp plate cooperation holding screw of "L" shape structure axial to improve the rigidity of disc class work piece and realize reliable and stable location, make, be favorable to improving punching efficiency and punching quality, have simple structure, press from both sides the characteristics that dress is reliable and stable, the rigidity is good.

Description

Simple and fast excircle punching tool for disc workpieces

Technical Field

The utility model belongs to the technical field of mechanical fixture, concretely relates to simple structure, press from both sides simple swift disc class work piece excircle punching frock that dress is reliable and stable, the rigidity is good.

Background

Disc type work piece is comparatively common in the machining field, some disc type work pieces need punch on the excircle face and process, the traditional approach is that the position of punching is marked out to artifical marking off earlier, then reuse flat tongs or special anchor clamps clamping work piece, adopt upright drill to punch afterwards according to the mark, clamping once more and rotate a hole of disc type work piece, this type of method not only needs marking off the mark in advance, workman's intensity of labour is big, and need to punch a plurality of holes on the excircle face and then need repeated clamping many times, lead to punching inefficiency, be difficult to satisfy the requirement of batch production. Therefore, the indexing precision between the holes can be improved by clamping the workpiece by the indexing head, calculating the angle between two holes according to the specified number of holes, adjusting the corresponding angle on the indexing head after the previous hole is punched, and then punching the next hole. In the prior art, although all punching processing can be completed by once clamping on advanced equipment such as a numerical control four-axis machining center and the like, the cost per working hour is higher due to large one-time investment and inconvenient maintenance, the punching machine is used for simple processing such as punching and the like, and the production requirements of small and medium-sized enterprises can not be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple and fast's disc class work piece excircle frock of punching of simple structure, clamp dress reliable and stable, that the rigidity is good.

The purpose of the utility model is realized like this: including base, location axle, clamp plate, holding screw, the fixed setting that the location axle level extends on the lateral wall of base, the location axle can with the centre bore sliding fit of disc class work piece, the clamp plate is the rectangular board of "L" shape structure and is provided with the waist groove on the long limit, the clamp plate wears to establish the disc class work piece outside at the location axle through waist groove slidable, the "L" shape structure minor face of clamp plate just can support to press on the excircle of disc class work piece towards disc class work piece, the holding screw meshing sets up in the screw thread section in the location off-axial side and can support the outer terminal surface on holding screw long limit.

The utility model has the advantages that:

1. the utility model discloses a location and the support of location axle and base lateral wall, the outer disc axis that makes disc class work piece forms stable horizontality, then when the clamp plate cooperation holding screw with "L" shape structure can axially compress tightly disc class work piece, can radially collude the outer disc of disc class work piece and strengthen the rigidity of work piece with the common centre gripping of the lateral wall of base, thereby realize disc class work piece reliable and stable tight location of pressing from both sides, create favourable basis for improving the quality of punching, and need not to draw the marking off location, workman intensity of labour has been reduced.

2. The utility model discloses a loosen holding screw, just rotatable disc class work piece is converted to down a hole position to can adjust the clamp plate thereupon and near next hole position rigidity with the reinforcing work piece, screw up holding screw afterwards and just can press from both sides tight work piece once more, consequently punch to a plurality of holes that graduation precision requirement is not high between the hole, not only can effectively improve the efficiency of punching, can adopt ordinary drilling machine or hand drill to accomplish after the rotatory location presss from both sides tightly moreover and punch, the cost of punching is lower.

3. The utility model discloses a set the outer fringe of location axle to the regular polygon locating surface that corresponds with the quantity of punching in advance of disc class work piece very much, the fixed position sleeve that is provided with of detachable in the centre bore of disc class work piece simultaneously, and the inner edge of position sleeve is unanimous with the appearance of regular polygon locating surface, thereby the accessible is loosened holding screw rotatory work piece and position sleeve and can be accomplished the swift of inter-aperture division angle, accurate conversion, make the operation of alternate angle at every turn both simple, and the accuracy also has certain assurance, machining efficiency is greatly improved, the rejection rate has also been showing and reducing.

To sum up, the utility model has the characteristics of simple structure, easy and simple to handle, press from both sides dress reliable and stable, the rigidity is good.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the structure of the pressing plate shown in FIG. 1;

FIG. 3 is a second schematic structural diagram of the present invention;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a schematic view of the positioning shaft shown in FIG. 3;

FIG. 6 is a schematic view of the positioning sleeve of FIG. 3;

in the figure: 1-disc workpiece, 2-base, 3-positioning shaft, 301-regular polygon positioning surface, 4-pressing plate, 401-waist groove, 402-quick-release groove, 5-fastening screw, 6-positioning sleeve, 601-fixing sleeve, 602-fastening sleeve, 7-fixing screw and 8-positioning pin.

Detailed Description

The present invention is further described with reference to the following drawings and examples, but the present invention is not limited thereto in any way, and any modification or improvement based on the teaching of the present invention is within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, the utility model discloses a base 2, location axle 3, clamp plate 4, holding screw 5, the fixed setting of 3 level extensions of location axle is on the lateral wall of base 2, location axle 3 can with disc class work piece 1's centre bore sliding fit, clamp plate 4 is the rectangular board of "L" shape structure and is provided with waist groove 401 on the long limit, clamp plate 4 wears to establish the disc class work piece 1 outside at location axle 3 through waist groove 401 slidable, the "L" shape structure minor face of clamp plate 4 just can support on disc class work piece 1's excircle to disc class work piece 1, holding screw 5 meshes and sets up in the screw thread section in the location axle 3 outside and can support the outer terminal surface on holding screw 4 long limit.

The distance from the axis of the positioning shaft 3 to the bottom end of the base 1 is larger than the radius of the disc type workpiece 1.

As shown in FIG. 2, the waist groove 401 is provided with a quick-release groove 402 penetrating through the side wall at the short side of the L-shaped structure far away from the pressing plate 4.

As shown in fig. 3, 4 and 5, the outer edge of the positioning shaft 3 is a regular polygon positioning surface 301 corresponding to the number of pre-punched holes of the disc-like workpiece 1, a positioning sleeve 6 is detachably and fixedly arranged in the central hole of the disc-like workpiece 1, and the inner edge of the positioning sleeve 6 is in accordance with the shape of the regular polygon positioning surface 301 and is slidably sleeved on the regular polygon positioning surface 301.

Each side of the regular polygon on the inner edge of the positioning sleeve 6 is perpendicular to a connecting line from the pre-punching of the disc type workpiece 1 to the axis of the central hole, or each vertex of the regular polygon on the inner edge of the positioning sleeve 6 passes through the pre-punching of the disc type workpiece 1 to the axis of the central hole.

The side wall of the base 2 is provided with a connecting hole, one end of the positioning shaft 3 close to the base 2 is provided with a fixing screw hole, and the positioning shaft 3 is fixed on the base 2 through a fixing screw 7 which penetrates through the connecting hole and is meshed with the fixing screw hole.

The side wall of the base 2 is further provided with a pin hole on one side of the connecting hole, one end of the positioning shaft 3 close to the base 2 is further provided with a positioning hole, and a positioning pin 8 which can be pulled out and inserted and can extend into the positioning hole is arranged in the pin hole.

The positioning hole on the end face of the positioning shaft 3 enables the disc type workpiece 1 to be in a horizontal or vertical state over against the pre-punched axis of the punching station when being sleeved on the positioning shaft 3 through the positioning sleeve 6.

As shown in fig. 6, the positioning sleeve 6 includes a fixed sleeve 601 and a clamping sleeve 602, the outer circle of the fixed sleeve 601 is in sliding gapless fit with the central hole of the disc-type workpiece 1, and the inner edge of the fixed sleeve 601 is in accordance with the shape of the regular polygon positioning surface 301, the outer side of the inner edge of the fixed sleeve 601 is further provided with a threaded connection section with a diameter larger than the outer circle of the regular polygon, the clamping sleeve 602 is a stepped sleeve and can be arranged on the outer side of the fixed sleeve 601 in a threaded engagement manner, and the stepped surface can be pressed on the outer side surface of the disc-type workpiece 1.

The inner hook surface of the L-shaped structure short edge of the pressing plate 4 is an arc surface attached to the outer circle of the disc type workpiece 1.

The utility model discloses the working process is as follows:

as shown in fig. 3 to 6, according to the structure and size of the disc-like workpiece 1 to be processed, the positioning shaft 3, the positioning sleeve 6 and the pressing plate 4 are designed and manufactured, then the positioning shaft 3 passes through the connecting hole of the base 2 and is fixed by the fixing screw 7, the positioning pin 8 is inserted into the pin hole on the side wall of the base 2 and abuts against the positioning hole of the positioning shaft 3 before the fixing screw 7 is tightened, and then the fixing screw 7 is tightened to fix the positioning shaft 3.

When the positioning sleeve is used, the fixing sleeve 601 is pressed into a central hole of the disc type workpiece 1, each side of a regular polygon on the inner edge of the fixing sleeve 601 is perpendicular to a connecting line from pre-punching of the disc type workpiece 1 to the axis of the central hole, or each vertex of a regular polygon on the inner edge of the positioning sleeve 6 passes through the pre-punching of the disc type workpiece 1 to the axis of the central hole, then the fastening sleeve 602 is screwed on the outer side of the fixing sleeve 601, the step surface of the fastening sleeve 602 abuts against the outer side surface of the disc type workpiece 1, and the positioning sleeve 6 and the disc type workpiece 1 are integrated. Then, a fixing sleeve 601 on the disc type workpiece 1 is sleeved on a regular polygon positioning surface 301 of the positioning shaft 3, then a pressing plate 4 is sleeved on a thread section on the outer side of the positioning shaft 3, the pressing plate 4 is adjusted to be close to a punching station of the disc type workpiece 1, the short side of the L-shaped structure is enabled to hook the outer circular surface of the disc type workpiece 1, finally, a set screw 5 is screwed down, the pressing plate 4 axially compresses the disc type workpiece 1 on the side wall of the base 2, punching, clamping and positioning are completed, and punching is completed. After the last punching procedure is completed, the set screw 5 is loosened, the disc type workpiece 1 and the positioning sleeve 6 are pulled out to rotate one surface, then the position of the pressing plate 4 is adjusted, the set screw 5 is screwed, and a hole can be punched. Thus, the process of loosening, rotating and screwing is repeated for a plurality of times, and the punching work on the outer circular surface of the disc type workpiece 1 can be completed. The dismounting process is opposite to the clamping process.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a simple swift disc class work piece excircle frock of punching which characterized in that includes base (2), location axle (3), clamp plate (4), holding screw (5), the fixed setting that location axle (3) level extends on the lateral wall of base (2), location axle (3) can with the centre bore sliding fit of disc class work piece (1), clamp plate (4) are provided with waist groove (401) for the rectangular plate of "L" shape structure and long edge, clamp plate (4) wear to establish disc class work piece (1) the outside at location axle (3) through waist groove (401) slidable, the "L" shape structure minor face of clamp plate (4) just can support to press on the excircle of disc class work piece (1) towards disc class work piece (1), holding screw (5) meshing sets up in the screw thread section in location axle (3) outside and can support the outer terminal surface on the long limit of clamp plate (4).

2. The simple and fast tool for punching the outer circle of the disc-type workpiece according to claim 1, wherein the distance from the axis of the positioning shaft (3) to the bottom end of the base (2) is greater than the radius of the disc-type workpiece (1).

3. The simple and fast tool for punching the excircle of the disc-shaped workpiece according to the claim 1, wherein the waist groove (401) is provided with a quick-release groove (402) penetrating through the side wall at one side of the short side of the L-shaped structure far away from the pressing plate (4).

4. The simple and fast punching tool for the outer circle of the disc type workpiece according to the claim 1, the 2 or the 3 is characterized in that the outer edge of the positioning shaft (3) is a regular polygon positioning surface (301) corresponding to the pre-punching number of the disc type workpiece (1), a positioning sleeve (6) is detachably and fixedly arranged in the central hole of the disc type workpiece (1), and the inner edge of the positioning sleeve (6) is consistent with the shape of the regular polygon positioning surface (301) and is sleeved on the regular polygon positioning surface (301) in a sliding manner.

5. The simple and fast tool for punching the outer circle of the disc-type workpiece according to claim 4, characterized in that each side of the regular polygon on the inner edge of the positioning sleeve (6) is perpendicular to a connecting line from the pre-punching of the disc-type workpiece (1) to the axis of the central hole, or each vertex of the regular polygon on the inner edge of the positioning sleeve (6) passes through the pre-punching of the disc-type workpiece (1) to the axis of the central hole.

6. The simple and rapid excircle punching tool for disc-type workpieces according to claim 5, wherein a connecting hole is formed in the side wall of the base (2), a fixing screw hole is formed in one end, close to the base (2), of the positioning shaft (3), and the positioning shaft (3) is fixed on the base (2) through a fixing screw (7) which penetrates through the connecting hole and is meshed with the fixing screw hole.

7. The simple and fast tool for punching the outer circle of the disc-type workpiece according to claim 6, wherein a pin hole is further formed in one side of the connecting hole in the side wall of the base (2), a positioning hole is further formed in one end, close to the base (2), of the positioning shaft (3), and a positioning pin (8) which can be inserted and pulled and can extend into the positioning hole is arranged in the pin hole.

8. The simple and rapid tool for punching the outer circle of the disc-type workpiece according to claim 7, wherein the positioning hole in the end face of the positioning shaft (3) enables the axis of the disc-type workpiece (1) which is opposite to the pre-punching hole of the punching station to be horizontal or vertical when the disc-type workpiece is sleeved on the positioning shaft (3) through the positioning sleeve (6).

9. The simple and fast outer circle punching tool for the disc-type workpieces as claimed in claim 8, wherein the positioning sleeve (6) comprises a fixing sleeve (601) and a tightening sleeve (602), the outer circle of the fixing sleeve (601) is in sliding gapless fit with the central hole of the disc-type workpiece (1) and the inner edge of the fixing sleeve is in accordance with the shape of the regular polygon positioning surface (301), a threaded connection section with a diameter larger than the outer circle of the regular polygon is further arranged on the outer side of the inner edge of the fixing sleeve (601), the tightening sleeve (602) is a stepped sleeve and can be arranged on the outer side of the fixing sleeve (601) in a threaded engagement manner, and the stepped surface can be pressed against the outer side surface of the disc-type workpiece (1).

10. The simple and fast tool for punching the excircle of the disc-type workpiece according to claim 4, wherein the inner hook surface of the short side of the L-shaped structure of the pressing plate (4) is an arc surface attached to the excircle of the disc-type workpiece (1).