CN211803342U

CN211803342U - Advancing and retreating type punch structure

Info

Publication number: CN211803342U
Application number: CN201922206994.3U
Authority: CN
Inventors: 徐建滔
Original assignee: Shanghai Juxiang Precision Mold Co ltd
Current assignee: Shanghai Juxiang Precision Mold Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-10-30
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a driving and reversing type punch structure, which comprises an adjusting rod, a braking mechanism, a punch and a fixed block, wherein the punch is arranged in an upper template through the fixed block, and the adjusting rod is connected with the fixed block through the braking mechanism; the adjusting rod is provided with a main clamping head and an operating handle, the braking mechanism is correspondingly provided with a main clamping groove, the main clamping head is located at the front end of the adjusting rod, the operating handle is located at the rear end of the adjusting rod, and the main clamping head is clamped into the main clamping groove or separated out of the main clamping groove through the horizontal movement of the operating handle. The utility model provides an advance and retreat formula drift structure, simple structure, production manufacturing efficiency are high.

Description

Advancing and retreating type punch structure

Technical Field

The utility model relates to a die design field especially relates to an advance and retreat formula drift structure.

Background

In the stamping process of a product, punching is one of common processes, and for the same stamping workpiece, a plurality of holes with different sizes are generally designed, but in the current stamping process, different punches are adopted to stamp the holes on the stamping workpiece, when the product is exchanged in machine types, the punches are mounted and dismounted through stripping, so that much time is wasted, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned not enough of present advance and retreat formula drift structure existence, the utility model provides a simple structure, production manufacturing efficiency are high advance and retreat formula drift structure.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

a forward and backward punch structure comprises an adjusting rod, a braking mechanism, a punch and a fixed block, wherein the punch is arranged in an upper template through the fixed block, and the adjusting rod is connected with the fixed block through the braking mechanism; the adjusting rod is provided with a main clamping head and an operating handle, the braking mechanism is correspondingly provided with a main clamping groove, the main clamping head is located at the front end of the adjusting rod, the operating handle is located at the rear end of the adjusting rod, and the main clamping head is clamped into the main clamping groove or separated out of the main clamping groove through the horizontal movement of the operating handle.

According to an aspect of the utility model, the front end of adjusting lever still is equipped with vice draw-in groove, arrestment mechanism is equipped with vice dop correspondingly.

According to one aspect of the present invention, the auxiliary slot is located at the back of the main chuck, and the sum of the height of the main chuck and the height of the auxiliary slot is 1-5 mm.

According to an aspect of the present invention, the secondary slot includes a second vertical rib, a second bottom, and a second inclined rib, the second vertical rib and the second inclined rib are respectively located at the front end and the rear end of the second bottom; the auxiliary clamping head comprises a second vertical joint, a second joint surface and a second inclined joint, and the second vertical joint and the second inclined joint are respectively positioned at the front end and the rear end of the second joint surface.

In accordance with an aspect of the invention, the width of the second bottom portion is greater than the width of the second joint face.

According to one aspect of the present invention, the primary chuck includes a first vertical joint, a first joint face, and a first inclined joint, the first vertical joint and the first inclined joint being located at a front end and a rear end of the first joint face, respectively; the main clamping groove comprises a first vertical flange, a first bottom and a first inclined surface flange, and the first vertical flange and the first inclined surface flange are respectively located at the front end and the rear end of the first bottom.

According to an aspect of the invention, the width of the first bottom is larger than the width of the first joint face, and the slope of the first inclined plane rib, the first inclined plane joint, the second inclined plane rib and the second inclined plane joint is 30-60 °.

In accordance with one aspect of the present invention, the slope of the first beveled rib, the first beveled joint, the second beveled rib, and the second beveled joint is 45 °; the first vertical joint is overlapped with the second vertical flange, and the first vertical flange is overlapped with the second vertical joint.

The utility model discloses the advantage of implementing lies in: the utility model discloses an advance and retreat formula drift structure, drift pass through the fixed block and install in the cope match-plate pattern, the adjusting lever passes through the arrestment mechanism and is connected with the fixed block, because the adjusting lever is equipped with main dop, arrestment mechanism is equipped with main draw-in groove correspondingly, when needing to cut the hole on the product, the workman promotes the operating handle and inserts the adjusting lever to the innermost, and main dop separates outside main draw-in groove this moment, drives the drift through arrestment mechanism and moves down, accomplishes and cuts the hole on the product; when the hole does not need to be cut on the product or the product is exchanged in the model, a worker pulls the operating handle to move the adjusting rod outwards slowly, the main clamping head is clamped into the main clamping groove slowly at the moment, the punch is driven by the braking mechanism to move upwards, the whole machine head is lifted into the stripper plate, and the next process of punching a workpiece or the next hole cutting process is waited without disassembling the die, so that the use or non-use of the punch is achieved, and the production and manufacturing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without any inventive work.

Fig. 1 is a schematic structural view of the advancing/retreating punch structure of the present invention in an unused state;

fig. 2 is a schematic structural view of the advancing/retreating punch structure of the present invention in a use state;

fig. 3 is a schematic structural view of an adjusting rod of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

fig. 5 is a schematic structural view of the fixing block of the present invention;

fig. 6 is a partially enlarged view B of fig. 5.

Detailed Description

The following further description is made with reference to the accompanying drawings and examples,

as shown in fig. 1, 2 and 3, the punch structure comprises an adjusting rod 1, a braking mechanism 2, a punch 5 and a fixed block 3, wherein the punch 5 is mounted in an upper die plate through the fixed block 3, and the adjusting rod 1 is connected with the fixed block 3 through the braking mechanism 2; the adjusting rod 1 is provided with a main clamping head 12 and an operating handle 11, the braking mechanism 2 is correspondingly provided with a main clamping groove 21, the main clamping head 12 is positioned at the front end of the adjusting rod 1, the operating handle 11 is positioned at the rear end of the adjusting rod 1, and the main clamping head 12 is clamped into the main clamping groove 21 or separated out of the main clamping groove 21 through the horizontal movement of the operating handle 11. When a hole needs to be cut on a product, a worker pushes the operating handle 11 to insert the adjusting rod 1 into the innermost part, and at the moment, the main chuck 12 is separated out of the main clamping groove 21, so that the punch 5 is driven by the braking mechanism 2 to move downwards to complete hole cutting on the product; when a hole does not need to be cut on a product or the product is exchanged in a machine, a worker pulls the operating handle 11 to move the adjusting rod 1 outwards slowly, the main clamping head 12 is clamped into the main clamping groove 21 slowly, the punch 5 is driven to move upwards through the braking mechanism 2, the whole machine head 5 is lifted into the stripper plate, the next process of punching a workpiece can be carried out or the next hole cutting process can be waited without disassembling a die, and the punch 5 is used or not used.

In practical application, in order to enable the adjusting rod 1 to be clamped into the braking mechanism 2 or separated out of the braking mechanism 2 in a balanced manner, the front end of the adjusting rod 1 is also provided with an auxiliary clamping groove 13, the auxiliary clamping groove 13 is generally close to the rear of the main clamping head 12, and the braking mechanism 2 is correspondingly provided with an auxiliary clamping head 22; the auxiliary clamping groove 13 can comprise a second vertical retaining edge 17, a second bottom 18 and a second inclined surface retaining edge 19, the second vertical retaining edge 17 and the second inclined surface retaining edge 19 are respectively positioned at the front end and the rear end of the second bottom 18, the auxiliary clamping head 22 can comprise a second vertical joint 26, a second joint surface 27 and a second inclined surface joint 28, the second vertical joint 26 and the second inclined surface joint 28 are respectively positioned at the front end and the rear end of the second joint surface 27, and due to the fact that the product is provided with the second inclined surface retaining edge 19 and the second inclined surface joint 28, when the adjusting rod 1 is clamped into the braking mechanism 2, the second inclined surface joint 28 can slowly move along the second inclined surface retaining edge 19 and run in balance until the whole auxiliary clamping head 22 is clamped into the auxiliary clamping groove 13, and similarly, the main clamping head 12 is also clamped into the main clamping groove 21; when the adjusting rod 1 is separated out of the braking mechanism 2, the second inclined rib 19 will slowly move along the second inclined joint 28, and the operation is balanced until the whole auxiliary chuck 22 is separated out of the auxiliary chuck slot 13, and similarly, the main chuck 12 is also separated out of the main chuck slot 21.

In practical application, in order to enable the adjusting rod 1 to be clamped into the braking mechanism 2 or separated out of the braking mechanism 2 more evenly, the slope of the first inclined plane rib 25, the first inclined plane joint 16, the second inclined plane rib 19 and the second inclined plane joint 28 can be 30 to 60 degrees, the main chuck 12 also comprises a first vertical joint 14, a first joint surface 15 and the first inclined plane joint 16, the first vertical joint 14 and the first inclined plane joint 16 are respectively positioned at the front end and the rear end of the first joint surface 15, the main clamping groove 21 also comprises a first vertical rib 23, a first bottom 24 and a first inclined plane rib 25, and the first vertical rib 23 and the first inclined plane rib 25 are respectively positioned at the front end and the rear end of the first bottom 24; thus, when the adjusting rod 1 is clamped into the braking mechanism 2, the first inclined plane joint 16 will slowly move along the first inclined plane flange 25 until the whole main chuck 12 is clamped into the main clamping groove 21, and similarly, the auxiliary chuck 22 is also clamped into the auxiliary clamping groove 13; when the adjusting rod 1 is separated out of the braking mechanism 2, the first inclined rib 25 will slowly move along the first inclined joint 16 until the whole main chuck 12 is separated out of the main clamping groove 21, and similarly, the auxiliary chuck 22 is also separated out of the auxiliary clamping groove 13.

In practical applications, in order to consider the thickness of the workpiece, the convenience of operation, and the like, the slopes of the first inclined rib 25, the first inclined joint 16, the second inclined rib 19, and the second inclined joint 28 are all designed to be 45 °, and the heights of the main catch 12 and the auxiliary catch groove 13 are generally designed to be 1-5 mm, for example: the thickness of the workpiece is 0.16mm, the heights of the main chuck 12 and the auxiliary chuck groove 13 are designed to be 2mm, and when the punch 5 is machined, the punch can protrude out of the stripper plate by 0.7mm, so that hole cutting machining can be smoothly completed on the punched workpiece 4; in addition, since the width of the second bottom portion 18 is greater than the width of the second joint surface 27, and the width of the first bottom portion 24 is greater than the width of the first joint surface 15 (the specific data is generally determined according to the design scheme of the mold and the requirements of the customer), it is convenient for the main chuck 12 to be clamped into the main card slot 21 or separated out of the main card slot 21, and the auxiliary chuck 22 to be clamped into the auxiliary card slot 13 or separated out of the auxiliary card slot 13, so as to prevent the adjusting lever 1 and the brake mechanism 2 from being mutually "jammed".

In addition, since the slopes of the first inclined rib 25, the first inclined joint 16, the second inclined rib 19 and the second inclined joint 28 are all the same, the first vertical joint 14 coincides with the second vertical rib 17, and the first vertical rib 23 coincides with the second vertical joint 26, so that the whole structural design is simple.

The utility model discloses the advantage of implementing lies in: the utility model discloses a driving and reversing type drift structure, drift 5 passes through fixed block 3 and installs in the cope match-plate pattern, adjusting lever 1 is connected with fixed block 3 through arrestment mechanism 3, because adjusting lever 1 is equipped with main dop 12 and vice draw-in groove 13, arrestment mechanism is equipped with main draw-in groove 21 and vice dop 22 correspondingly, when needing to cut the hole on the product, the workman promotes handle 11 and inserts adjusting lever 1 to the innermost (remove A distance as shown in figure 1), main dop 12 separates outside main draw-in groove 21 at this moment, vice dop 22 also separates outside vice draw-in groove 13, adjusting lever 1 can drive drift 5 through arrestment mechanism 2 and move downwards like this, accomplish and cut the hole on punching press work piece 4; when a hole is not required to be cut in a product or the product is exchanged in a machine mode, a worker pulls the operating handle 11 outwards to move the adjusting rod 1 outwards slowly, the main clamping head 12 is clamped into the main clamping groove 21 slowly at the moment, the auxiliary clamping head 22 is also clamped into the auxiliary clamping groove 13 slowly, the adjusting rod 1 drives the punch 5 to move upwards through the braking mechanism 2, the whole machine head 5 is lifted into the stripper plate, the next working procedure of punching the workpiece 4 can be carried out or the next hole cutting working procedure can be waited without detaching the die, the punch 5 is used or not used, and the production and manufacturing efficiency is improved.

The above description is only for the specific embodiments 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 are all 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 advancing and retreating type punch structure is characterized by comprising an adjusting rod, a braking mechanism, a punch and a fixing block, wherein the punch is arranged in an upper template through the fixing block, and the adjusting rod is connected with the fixing block through the braking mechanism; the adjusting rod is provided with a main clamping head and an operating handle, the braking mechanism is correspondingly provided with a main clamping groove, the main clamping head is located at the front end of the adjusting rod, the operating handle is located at the rear end of the adjusting rod, and the main clamping head is clamped into the main clamping groove or separated out of the main clamping groove through the horizontal movement of the operating handle.

2. The advancing-retracting punch structure according to claim 1, wherein the front end of the adjusting rod is further provided with a sub-catching groove, and the stopper mechanism is correspondingly provided with a sub-catching groove.

3. The advancing-retracting punch structure according to claim 2, wherein the auxiliary notch is located behind the main chuck, and the height of the main chuck and the auxiliary notch is 1 to 5 mm.

4. The advancing-retracting punch structure according to claim 2, wherein the secondary snap groove comprises a second vertical rib, a second bottom and a second inclined rib, the second vertical rib and the second inclined rib being respectively located at the front end and the rear end of the second bottom; the auxiliary clamping head comprises a second vertical joint, a second joint surface and a second inclined joint, and the second vertical joint and the second inclined joint are respectively positioned at the front end and the rear end of the second joint surface.

5. The advancing-retracting punch structure according to claim 4, wherein the width of the second base portion is larger than the width of the second joint surface.

6. The advancing-retracting punch structure according to any one of claims 1 to 5, wherein the primary chuck comprises a first vertical joint, a first joint face and a first inclined joint, the first vertical joint and the first inclined joint being located at a front end and a rear end of the first joint face, respectively; the main clamping groove comprises a first vertical flange, a first bottom and a first inclined surface flange, and the first vertical flange and the first inclined surface flange are respectively located at the front end and the rear end of the first bottom.

7. The advancing-retracting punch structure according to claim 6, wherein the width of the first base is greater than the width of the first abutment surface, and the slope of the first beveled rib, the first beveled abutment, the second beveled rib and the second beveled abutment is 30 to 60 °.

8. The advancing-retracting punch construction according to claim 6, wherein the slope of the first beveled rib, the first beveled tab, the second beveled rib and the second beveled tab are each 45 °; the first vertical joint is overlapped with the second vertical flange, and the first vertical flange is overlapped with the second vertical joint.