CN219985919U - Punching device - Google Patents

Abstract

The utility model discloses a punching device, which comprises a frame, an upper die assembly, a first lower die assembly, a second lower die assembly and a driving assembly, wherein the upper die assembly is arranged on the frame; the machine frame is provided with a first driver and a punching station; the upper die assembly is arranged on the frame and positioned at a punching station, the first driver is connected with the upper die assembly, the upper die assembly comprises a plurality of punching heads, and the punching heads are provided with adsorption holes; the first lower die assembly is arranged on the frame and provided with a blank bearing area; the second lower die assembly is arranged on the frame and is provided with a jig bearing area; the driving assembly is arranged on the frame and is respectively connected with the first lower die assembly and the second lower die assembly. According to the die cutting device, the adsorption holes are formed in the die cutting head, so that the upper die assembly can carry out die cutting on the blank again, and then the die-cut target product is carried to the jig of the second lower die assembly at one time, so that the working efficiency of the die cutting device is improved.

Description

Punching device

Technical Field

The utility model relates to the technical field of punching processing, in particular to a punching device.

Background

At present, for some structural members which only need to be processed into preset shapes, a whole blank is generally placed in a punching device for punching, so that a target product with a required shape is formed by punching. The punching device in the related art comprises an upper punching die, a lower punching die and a manipulator, wherein after blanks are punched by the upper punching die and the lower punching die, target products can be fed into the jig by the manipulator. However, the manipulator needs to perform one-by-one blanking on the target product, so that the working efficiency of the punching device is low.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a punching device, which has higher working efficiency.

The punching device provided by the embodiment of the utility model comprises a frame, an upper die assembly, a first lower die assembly, a second lower die assembly and a driving assembly; the machine frame is provided with a first driver and a punching station; the upper die assembly is arranged on the frame and is positioned at a punching station, the first driver is connected with the upper die assembly and is used for driving the upper die assembly to do lifting motion, the upper die assembly comprises a plurality of punching heads, and the punching heads are provided with adsorption holes which are used for being communicated with the vacuum generating device; the first lower die assembly is arranged on the frame and is positioned at the lower side of the upper die assembly, and a blank bearing area is arranged on the first lower die assembly and is used for bearing blanks; the second lower die assembly is arranged on the frame and is positioned at the lower side of the upper die assembly, and a jig bearing area is arranged on the second lower die assembly and is used for bearing a jig; the driving assembly is arranged on the frame and is respectively connected with the first lower die assembly and the second lower die assembly, and the driving assembly is used for driving the first lower die assembly and the second lower die assembly to sequentially move to the punching station.

The punching device provided by the utility model has at least the following beneficial effects: the adsorption hole can be communicated with the vacuum generating device, the blank can be placed in the blank bearing area of the first lower die assembly, the jig can be placed in the jig bearing area of the second lower die assembly, the first lower die assembly can be moved to the punching station under the driving of the driving assembly, the upper die assembly can be driven by the first driver to do lifting motion, the punching head can punch the blank in the blank bearing area, a target product formed by punching can be adsorbed on the punching head under the driving of the vacuum generating device, the second lower die assembly can be moved to the punching station under the driving of the driving assembly, and the vacuum generating device stops working so that a target workpiece adsorbed on the punching head can fall onto the jig in the jig bearing area. According to the die cutting device, the adsorption holes are formed in the die cutting head, so that the upper die assembly can carry a target product formed by die cutting to the jig of the second lower die assembly at one time after the blank is die-cut, and the working efficiency of the die cutting device is improved.

According to the punching device provided by the embodiment of the utility model, the punching device further comprises the conveying component, the frame is further provided with the conveying station, the conveying component is arranged at the conveying station, the driving component can drive the second lower die component to reciprocate between the punching station and the conveying station, and the conveying component is used for feeding and discharging the jig in the jig bearing area.

According to the punching device provided by the embodiment of the utility model, the conveying assembly comprises two conveying rails which are arranged in parallel, the second lower die assembly comprises a second driver and a bearing structure, the jig bearing area is arranged on the bearing structure, the second driver is connected with the bearing structure and is used for driving the bearing structure to do lifting motion, and the distance between the two conveying rails is larger than the width of the bearing structure.

According to the punching device provided by the embodiment of the utility model, the carrying rail is provided with the carrying surface and the limiting surface, the extending directions of the carrying surface and the limiting surface are parallel to the extending direction of the carrying rail, the carrying surface is used for carrying the jig, and the limiting surface is used for horizontally limiting the jig.

According to the punching device provided by the embodiment of the utility model, the conveying assembly further comprises a first sliding rail, the first sliding rail is arranged in an extending mode along the width direction of the conveying rail, and at least one conveying rail is slidably arranged on the first sliding rail.

According to the punching device provided by the embodiment of the utility model, the bearing structure is provided with the groove, the jig bearing area is formed in the groove, and the groove wall of the groove is arranged at a notch allowing the jig to extend out of the groove in the width direction of the bearing structure.

According to the punching device provided by the embodiment of the utility model, the frame is provided with the second sliding rail, the extending direction of the second sliding rail is parallel to the extending direction of the conveying rail, the second sliding rail passes through the punching station, and the first lower die assembly and the second lower die assembly are both slidably arranged on the second sliding rail.

According to the punching device provided by the embodiment of the utility model, the first lower die assembly is provided with the plurality of bearing parts, the plurality of bearing parts are arranged in the blank bearing areas, and the bearing parts are arranged in one-to-one correspondence with the punching heads.

According to the punching device provided by the embodiment of the utility model, the frame comprises a plurality of guide posts extending vertically, and the upper die assembly is slidably arranged on the guide posts.

According to the punching device provided by the embodiment of the utility model, the guide post is penetrated with the spring, and the upper end and the lower end of the spring are respectively abutted with the upper die assembly and the frame.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of a die cutting apparatus according to an embodiment of the present utility model;

FIG. 2 is a bottom view of the upper die assembly of the die cutting apparatus of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at B of the upper die assembly shown in FIG. 2;

FIG. 4 is a schematic view of the first lower die assembly of the die cutting apparatus of FIG. 1;

FIG. 5 is a schematic view of the transport assembly of the die cutting apparatus of FIG. 1;

FIG. 6 is an enlarged view of a portion of the structure at C of the delivery assembly of FIG. 5;

FIG. 7 is a schematic view of a second lower die assembly of the die cutting apparatus of FIG. 1;

fig. 8 is an enlarged view of a portion of the die cutting apparatus shown in fig. 1 at a.

Reference numerals:

a frame 100; a die cutting station 101; a handling station 102; a first driver 110; a second slide rail 120; a guide post 130; a spring 140;

an upper die assembly 200; a die-cutting head 210; adsorption holes 211;

a first lower die assembly 300; a blank carrying area 310; a carrying part 320;

a second lower die assembly 400; a second driver 410; a load bearing structure 420; a groove 421; the jig carrying area 421a; notch 421b;

a drive assembly 500; a third driver 510; a fourth driver 520;

a delivery assembly 600; a conveying rail 610; a bearing surface 611; a limit surface 612; a jig 620; a first sled 630.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The die cutting device of the present utility model will be described in detail with reference to fig. 1 to 8.

Referring to fig. 1, the punching apparatus according to the embodiment of the present utility model includes a frame 100, an upper die assembly 200, a first lower die assembly 300, a second lower die assembly 400, and a driving assembly 500.

The frame 100 is provided with a first driver 110, and the frame 100 is provided with a punching station 101; the upper die assembly 200 is arranged on the frame 100 and is positioned at the punching station 101, the first driver 110 is connected with the upper die assembly 200 and is used for driving the upper die assembly 200 to do lifting motion, the upper die assembly 200 comprises a plurality of punching heads 210, the punching heads 210 are provided with adsorption holes 211, and the adsorption holes 211 are used for communicating with a vacuum generating device; the first lower die assembly 300 is arranged on the frame 100 and is positioned at the lower side of the upper die assembly 200, a blank bearing area 310 is arranged on the first lower die assembly 300, and the blank bearing area 310 is used for bearing blanks; the second lower die assembly 400 is disposed on the frame 100 and is disposed at a lower side of the upper die assembly 200, and a jig carrying area 421a is disposed on the second lower die assembly 400, where the jig carrying area 421a is used for carrying a jig 620; the driving assembly 500 is disposed on the frame 100, the driving assembly 500 is respectively connected with the first lower die assembly 300 and the second lower die assembly 400, and the driving assembly 500 is used for driving the first lower die assembly 300 and the second lower die assembly 400 to sequentially move to the punching station 101.

For example, as shown in fig. 1 to 3, the punching apparatus includes a frame 100, an upper die assembly 200, a first lower die assembly 300, a second lower die assembly 400, and a driving assembly 500, and the upper die assembly 200, the first lower die assembly 300, the second lower die assembly 400, and the driving assembly 500 are all disposed on the frame 100; a punching station 101 is arranged on the frame 100, an upper die assembly 200 is arranged on the punching station 101, a first driver 110 is arranged on the frame 100, the output end of the first driver 110 is connected with the upper end of the upper die assembly 200, the upper die assembly 200 comprises a plurality of punching heads 210, each punching head 210 is provided with an adsorption hole 211, and the adsorption holes 211 can be communicated with a vacuum generating device; the first lower die assembly 300 is arranged on the lower side of the upper die assembly 200 and is positioned on the right side of the punching station 101, and a blank bearing area 310 is arranged at the upper end of the first lower die assembly 300; the second lower die assembly 400 is arranged at the lower side of the upper die assembly 200 and is positioned at the left side of the punching station 101, and a jig bearing area 421a is arranged at the upper end of the second lower die assembly 400; the driving assembly 500 includes a third driver 510 and a fourth driver 520, the third driver 510 is disposed on the right side of the first lower die assembly 300, an output end of the third driver 510 is connected with the right end of the first lower die assembly 300, the fourth driver 520 is disposed on the left side of the second lower die assembly 400, and an output end of the fourth driver 520 is connected with the left end of the second lower die assembly 400. When the punching device works, a blank can be placed in the blank bearing area 310, an empty jig 620 can be placed in the jig bearing area 421a, and the adsorption hole 211 can be communicated with the vacuum generating device; the first lower die assembly 300 can move leftwards into the punching station 101 under the driving of the third driver 510, the upper die assembly 200 can perform lifting movement under the driving of the first driver 110 so as to punch blanks in the blank storage area to form target workpieces, negative pressure is generated in the adsorption holes 211 under the driving of the vacuum generating device so as to adsorb the target workpieces on the punching head 210, and at the moment, the third driver 510 can drive the first lower die assembly 300 to move rightwards, and the first lower die assembly 300 leaves the punching station 101 with waste; the second lower die assembly 400 can be moved rightward to enter the punching station 101 under the driving of the fourth driver 520, the upper die assembly 200 can be moved downward to approach the empty jig 620 on the second lower die assembly 400 under the driving of the first driver 110, the vacuum generating device stops working, and the target workpiece on the punching head 210 falls into the empty jig 620, at this time, the fourth driver 520 can drive the second lower die assembly 400 to move leftward to leave the punching station 101.

It can be appreciated that by providing the suction hole 211 on the die-cutting head 210, the upper die assembly 200 can suction the target workpiece on the die-cutting head 210 after die-cutting the blank on the first lower die assembly 300 to form the target workpiece, and then, after the second lower die assembly 400 moves into the die-cutting station 101, the upper die assembly 200 can place all the target workpieces into the jig 620 on the second lower die assembly 400 at a time, thereby improving the working efficiency of the die-cutting device of the present utility model.

It will be appreciated that the arrangement of the first lower die assembly 300 and the second lower die assembly 400 allows a worker to replace the jig 620 on the second lower die assembly 400 when the first lower die assembly 300 is moved to the punching station 101, and allows a worker to replace the scrap on the first lower die assembly 300 when the second lower die assembly 400 is moved to the punching station 101, and the first lower die assembly 300 and the second lower die assembly 400 work alternately, thereby improving the working efficiency of the punching apparatus of the present utility model.

Further, referring to fig. 4, a plurality of carrying portions 320 are disposed on the first lower die assembly 300, the plurality of carrying portions 320 are disposed in the blank carrying area 310, and the carrying portions 320 are disposed in one-to-one correspondence with the punching heads 210. Further, the carrier 320 is capable of punching the blanks in the blank carrying area 310 in cooperation with the punching head 210.

In some embodiments of the present utility model, the punching apparatus further includes a conveying assembly 600, the frame 100 is further provided with a carrying station 102, the conveying assembly 600 is disposed at the carrying station 102, the driving assembly 500 can drive the second lower die assembly 400 to reciprocate between the punching station 101 and the carrying station 102, and the conveying assembly 600 is used for loading and unloading the jig 620 in the jig bearing area 421 a. For example, as shown in fig. 1, the frame 100 is further provided with a carrying station 102, the carrying station 102 is located at the left side of the punching station 101, the conveying assembly 600 is disposed in the carrying station 102, the driving assembly 500 includes a fourth driver 520, and an output end of the fourth driver 520 is connected to the second lower die assembly 400. Under the driving of the fourth driver 520, the second lower die assembly 400 can reciprocate between the carrying station 102 and the punching station 101, when the second lower die assembly 400 moves into the punching station 101, the upper die assembly 200 can place the target workpiece adsorbed on the punching head 210 on the jig 620 of the second lower die assembly 400, and when the second lower die assembly 400 moves to the carrying station 102, the conveying assembly 600 can perform blanking on the full-load jig 620 on the second lower die assembly 400 and feed the empty jig 620 into the jig bearing area 421a of the second lower die assembly 400. The conveying assembly 600 is arranged, so that the conveying assembly 600 can automatically feed and discharge the jig 620 on the second lower die assembly 400, and labor cost is reduced.

Further, the conveying assembly 600 includes two conveying rails 610 disposed in parallel, the second lower die assembly 400 includes a second driver 410 and a carrying structure 420, the jig carrying area 421a is disposed on the carrying structure 420, the second driver 410 is connected to the carrying structure 420 and is used for driving the carrying structure 420 to perform lifting motion, and a distance between the two conveying rails 610 is greater than a width of the carrying structure 420. For example, as shown in fig. 1 and 5, the conveying assembly 600 includes two conveying rails 610 disposed in parallel, the conveying rails 610 are disposed to extend in the left-right direction, and the two conveying rails 610 are distributed in the front-rear direction; the second lower die assembly 400 includes a second driver 410 and a carrying structure 420, wherein an output end of the second driver 410 is connected with a lower end of the carrying structure 420, a jig carrying area 421a is arranged at an upper end of the carrying structure 420, a distance between the two conveying rails 610 is larger than a width of the carrying structure 420, and a width of the jig 620 is larger than a width of the carrying structure 420. When the punching device of the present utility model works, the second lower die assembly 400 can move leftwards to the carrying station 102 under the driving of the fourth driver 520, the carrying structure 420 can move downwards under the driving of the second driver 410, and the width of the carrying structure 420 is smaller than the distance between the two conveying rails 610, and the width of the jig 620 is larger than the width of the carrying structure 420, so that the jig 620 can be carried on the two conveying rails 610, at this time, the conveying rails 610 can convey the jig 620 leftwards and convey the empty jig 620 to the carrying station 102, and the carrying structure 420 can move upwards under the driving of the second driver 410 to carry the empty jig 620 on the conveying rails 610, at this time, the second lower die assembly 400 can move rightwards to the punching station 101 under the driving of the fourth driver 520. The distance between the two conveying rails 610 is greater than the width of the bearing structure 420, so that the second driver 410 can perform lifting motion to realize the transfer of the jig 620 between the jig bearing area 421a and the conveying rails 610, and the device has a simple structure and low manufacturing cost.

Further, a carrying surface 611 and a limiting surface 612 are formed on the conveying rail 610, the extending directions of the carrying surface 611 and the limiting surface 612 are parallel to the extending direction of the conveying rail 610, the carrying surface 611 is used for carrying the jig 620, and the limiting surface 612 is used for horizontally limiting the jig 620. For example, as shown in fig. 6, the conveying rail 610 is provided with a bearing surface 611 and a limiting surface 612, wherein the bearing surface 611 is a horizontal surface extending leftwards and rightwards, and the limiting surface 612 is a vertical surface extending leftwards and rightwards; on the front conveying rail 610, a limiting surface 612 is located on the front side of the bearing surface 611, and on the rear conveying rail 610, the limiting surface 612 is located on the rear side of the bearing surface 611. When the jig 620 is located on the conveying assembly 600, the bearing surface 611 can bear the weight of the jig 620, and the limiting surfaces 612 on the two conveying rails 610 can limit the front and rear sides of the jig 620, so that the jig 620 can move along the conveying rails 610 in the left-right direction.

In some embodiments of the present utility model, the conveying assembly 600 further includes a first sliding rail 630, the first sliding rail 630 extends along the width direction of the conveying rail 610, and at least one conveying rail 610 is slidably disposed on the first sliding rail 630. For example, as shown in fig. 5, the conveying assembly 600 further includes a first sliding rail 630, the first sliding rail 630 extends along the front-rear direction, and both conveying rails 610 are slidably disposed on the first sliding rail 630. The worker can correspondingly adjust the relative distance between the two conveying rails 610 according to the specification of the jig 620, so that the conveying assembly 600 of the present utility model can adapt to the jigs 620 with more specifications.

In some embodiments of the present utility model, the supporting structure 420 is provided with a groove 421, a jig supporting area 421a is formed in the groove 421, and a groove wall of the groove 421 is provided with a notch 421b allowing the jig 620 to extend out of the groove 421 in the width direction of the supporting structure 420. For example, as shown in fig. 7, a groove 421 is formed at the upper end of the bearing structure 420, a jig bearing area 421a is formed in the groove 421, and notches 421b are formed on the sidewalls of the front and rear ends of the groove 421. By providing the groove 421 on the carrying structure 420, the groove 421 can limit the jig 620, and the notch 421b on the side walls of the front and rear ends of the groove 421 can allow the jig 620 to extend out of the groove 421 from the front and rear directions, so that the conveying rail 610 can carry the front and rear ends of the jig 620, and the jig 620 can be transferred between the conveying assembly 600 and the second lower die assembly 400.

In some embodiments of the present utility model, the frame 100 is provided with a second sliding rail 120, the extending direction of the second sliding rail 120 is parallel to the extending direction of the conveying rail 610, the second sliding rail 120 passes through the punching station 101, and the first lower die assembly 300 and the second lower die assembly 400 are slidably disposed on the second sliding rail 120. For example, as shown in fig. 1, a second slide rail 120 extending from left to right is provided on the frame 100, the second slide rail 120 passes through the punching station 101, and the first lower die assembly 300 and the second lower die assembly 400 are slidably provided on the second slide rail 120. The first lower die assembly 300 can move left and right along the second slide rail 120 to enter or leave the punching station 101 under the drive of the third driver 510; the second lower die assembly 400 can be moved left and right along the second slide rail 120 to enter or leave the die cutting station 101 under the drive of the fourth driver 520. The first lower die assembly 300 and the second lower die assembly 400 share the second slide rail 120, which can reduce the manufacturing cost of the punching device of the present utility model.

In some embodiments of the present utility model, referring to fig. 1, the frame 100 includes a plurality of vertically extending guide posts 130, and the upper die assembly 200 is slidably disposed on the guide posts 130. Further, the upper die assembly 200 can be moved up and down along the guide post 130 by the first driver 110.

Further, referring to fig. 1 and 8, the guide post 130 is provided with a spring 140, and the upper and lower ends of the spring 140 are respectively abutted against the upper die assembly 200 and the frame 100. The springs 140 are provided to cushion the upper die assembly 200 when the upper die assembly 200 punches the blank on the first lower die assembly 300, so as to reduce the impact force between the upper die assembly 200 and the first lower die assembly 300.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A die cutting apparatus, comprising:

the die-cutting machine comprises a machine frame (100), wherein a first driver (110) is arranged on the machine frame (100), and a die-cutting station (101) is arranged on the machine frame (100);

the upper die assembly (200) is arranged on the frame (100) and is positioned at the punching station (101), the first driver (110) is connected with the upper die assembly (200) and is used for driving the upper die assembly (200) to do lifting motion, the upper die assembly (200) comprises a plurality of punching heads (210), the punching heads (210) are provided with adsorption holes (211), and the adsorption holes (211) are used for communicating with a vacuum generating device;

the first lower die assembly (300) is arranged on the frame (100) and is positioned at the lower side of the upper die assembly (200), a blank bearing area (310) is arranged on the first lower die assembly (300), and the blank bearing area (310) is used for bearing blanks;

the second lower die assembly (400) is arranged on the frame (100) and is positioned at the lower side of the upper die assembly (200), a jig bearing area (421 a) is arranged on the second lower die assembly (400), and the jig bearing area (421 a) is used for bearing a jig (620);

the driving assembly (500) is arranged on the frame (100), the driving assembly (500) is respectively connected with the first lower die assembly (300) and the second lower die assembly (400), and the driving assembly (500) is used for driving the first lower die assembly (300) and the second lower die assembly (400) to sequentially move to the punching station (101).

2. The punching device according to claim 1, further comprising a conveying assembly (600), wherein a carrying station (102) is further arranged on the frame (100), the conveying assembly (600) is arranged on the carrying station (102), the driving assembly (500) can drive the second lower die assembly (400) to reciprocate between the punching station (101) and the carrying station (102), and the conveying assembly (600) is used for feeding and discharging the jig (620) in the jig bearing area (421 a).

3. A punching device according to claim 2, characterized in that the conveying assembly (600) comprises two conveying rails (610) arranged in parallel, the second lower die assembly (400) comprises a second driver (410) and a bearing structure (420), the jig bearing area (421 a) is arranged on the bearing structure (420), the second driver (410) is connected with the bearing structure (420) and is used for driving the bearing structure (420) to do lifting movement, and the distance between the two conveying rails (610) is larger than the width of the bearing structure (420).

4. A punching device according to claim 3, characterized in that the conveying rail (610) is formed with a bearing surface (611) and a limiting surface (612), the extending directions of the bearing surface (611) and the limiting surface (612) are parallel to the extending direction of the conveying rail (610), the bearing surface (611) is used for bearing a jig (620), and the limiting surface (612) is used for horizontally limiting the jig (620).

5. A die cutting apparatus according to claim 3, wherein the conveying assembly (600) further comprises a first slide rail (630), the first slide rail (630) is disposed to extend along the width direction of the conveying rail (610), and at least one conveying rail (610) is slidably disposed on the first slide rail (630).

6. A punching device according to claim 3, characterized in that the carrying structure (420) is provided with a groove (421), the groove (421) is internally provided with the jig carrying area (421 a), and in the width direction of the carrying structure (420), the groove wall of the groove (421) is provided with a notch (421 b) for allowing the jig (620) to extend out of the groove (421).

7. A die cutting apparatus according to claim 3, wherein the frame (100) is provided with a second slide rail (120), the extending direction of the second slide rail (120) is parallel to the extending direction of the conveying rail (610), the second slide rail (120) passes through the die cutting station (101), and the first lower die assembly (300) and the second lower die assembly (400) are slidably disposed on the second slide rail (120).

8. The punching device according to claim 1, wherein the first lower die assembly (300) is provided with a plurality of carrying portions (320), the plurality of carrying portions (320) are all disposed in the blank carrying area (310), and the carrying portions (320) are disposed in one-to-one correspondence with the punching heads (210).

9. The die cutting apparatus as set forth in claim 1, wherein the frame (100) includes a plurality of vertically extending guide posts (130), the upper die assembly (200) being slidably disposed on the guide posts (130).

10. The punching device according to claim 9, characterized in that a spring (140) is provided on the guide post (130), and the upper and lower ends of the spring (140) are respectively abutted against the upper die assembly (200) and the frame (100).