CN221620473U - Door skin window flanging device - Google Patents

Abstract

The utility model discloses a door skin window flanging device, which comprises a workbench, a lower die mechanism and an upper die mechanism, wherein the lower die mechanism comprises a lower die plate and a female die, the lower die plate is fixedly connected to the upper end surface of the workbench, the female die is fixedly connected to the upper end surface of the lower die plate, and a first type hole is formed in the middle of the female die; the upper die mechanism comprises an upper die plate, a male die, a pressing plate and a driving structure, wherein the upper die plate is parallel to the lower die plate, the male die is fixedly connected to the lower end face of the upper die plate, the male die is located right above the female die, the shape of the male die is matched with that of the first type hole, the pressing plate is located below the upper die plate, the pressing plate is provided with a second type hole, the pressing plate is connected to the upper die plate through a telescopic structure, so that the male die penetrates through the second type hole, the driving structure is connected to a workbench, and the driving structure can drive the upper die plate to move up and down to drive the male die to move towards or away from the female die. The door skin window flanging device provided by the embodiment of the utility model can reduce the flanging difficulty, increase the flanging precision and improve the production efficiency.

Description

Door skin window flanging device

Technical Field

The utility model relates to the technical field of urban rails, in particular to a door skin window flanging device.

Background

The skin effect is to utilize the rigidity and strength of the surface covering material of the building to strengthen the integral rigidity of the building, and the skin structure has larger bearing capacity and rigidity, but has light weight, is widely applied to the airplane and ship industries, and is also applied to the railway transportation industries, for example, a train door of a light rail can adopt the skin structure when being manufactured. Because the train door is provided with a window in the middle, the window needs to be turned after the door skin is manufactured, and normally, a worker is required to manually knock and turn over the window, so that the problems of high turn-over difficulty, low efficiency and low precision exist, and the door skin window turn-over device capable of solving the technical problems is needed.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the door skin window flanging device provided by the utility model can reduce flanging difficulty, increase flanging precision and improve production efficiency.

The utility model provides a door skin window flanging device, which comprises a workbench, a lower die mechanism and an upper die mechanism, wherein the lower die mechanism comprises a lower die plate and a female die, the lower die plate is fixedly connected to the upper end face of the workbench, the female die is fixedly connected to the upper end face of the lower die plate, the upper end face of the female die is used for placing a door skin, and a first hole is formed in the middle of the female die; the upper die mechanism comprises an upper die plate, a male die, a pressing plate and a driving structure, wherein the upper die plate is parallel to the lower die plate, the male die is fixedly connected to the lower end face of the upper die plate, the male die is located right above the female die, the shape of the male die is adaptive to the first type hole, the pressing plate is located below the upper die plate, the pressing plate is provided with a second type hole, the pressing plate is connected to the upper die plate through a telescopic structure, so that the male die penetrates through the second type hole, the driving structure is connected to the workbench, and the driving structure can drive the upper die plate to move up and down to drive the male die to move towards or away from the female die.

According to the door skin window flanging device disclosed by the embodiment of the utility model, the door skin window flanging device has at least the following beneficial effects:

When the door skin window flanging device provided by the embodiment of the utility model is used, a worker places the door skin to be flanged on the female die, aligns the window positioned on the door skin with the first type hole of the female die, the size of the first type hole is slightly larger than that of the window, then the lower die plate is driven by the driving structure to move so as to drive the pressing plate and the male die to move downwards, the pressing plate can press the door skin to fix the door skin, and the male die can pass through the second type hole through the telescopic structure so as to enable the male die to move downwards continuously, and the size of the male die is the same as that of the first type hole, so that the edge of the window can be bent downwards to finish flanging, the flanging difficulty is reduced, the flanging precision is increased, and the production efficiency is improved.

According to some embodiments of the utility model, the driving structure comprises a frame, a hydraulic cylinder and a connecting plate, wherein the frame is fixedly connected to the upper end face of the workbench, the lower template and the frame are respectively arranged on two opposite sides of the workbench, a first extension arm is arranged at the top of the frame and extends along the horizontal direction, the hydraulic cylinder is arranged at the end part of the first extension arm, a piston rod is arranged on the hydraulic cylinder, the piston rod faces downwards, the end part of the piston rod is fixedly connected with the upper end face of the connecting plate, and the lower end face of the connecting plate is fixedly connected with the upper end face of the upper template.

According to some embodiments of the utility model, a supporting plate is arranged at the end part of the first extension arm, the supporting plate is parallel to the upper template, the hydraulic cylinder is arranged in the middle of the supporting plate, the supporting plate is provided with two first through holes, the two first through holes are symmetrically arranged at two sides of the hydraulic cylinder, the axial direction of the first through holes is the same as the axial direction of the piston rod, a guide sleeve is arranged in the first through holes, a guide rod is arranged in the guide sleeve in a penetrating manner, the guide rod can move up and down along the guide sleeve, and the lower end of the guide rod is fixedly connected with the connecting plate through a fixing flange.

According to some embodiments of the utility model, the lower die mechanism further comprises a positioning structure, the positioning structure comprises two supporting frames, two sides of the workbench adjacent to the frame are respectively connected with one supporting frame, one side of the supporting frame, which is close to the frame, is provided with a second extension arm, the second extension arm extends along the horizontal direction, the upper end face of the second extension arm is provided with a positioning block, and when the door skin is placed on the lower die plate, the side face of the door skin can be abutted against the positioning block.

According to some embodiments of the utility model, the support frame is provided with two second extension arms, the two second extension arms are arranged side by side, the upper end face of each second extension arm is provided with a first strip-shaped groove, the first strip-shaped groove extends along the length direction of each second extension arm, the positioning block is correspondingly provided with a second through hole, the second through hole extends along the vertical direction, the second through hole and the first strip-shaped groove are provided with first bolts, and the positioning block can move along the first strip-shaped groove to be close to or far away from the support frame.

According to some embodiments of the utility model, the support frame comprises a supporting plate and two support arms, the two support arms are arranged side by side, a first cross beam is arranged between the two support arms, one end of each support arm is fixedly connected to the workbench through a support, two ends of the supporting plate are respectively connected to the upper end faces of the two support arms, the upper end faces of the support arms are provided with second strip-shaped grooves, the second strip-shaped grooves extend along the length direction of the support arms, the two ends of the supporting plate are respectively provided with a third through hole, the third through holes extend along the vertical direction, and second bolts are arranged in the third through holes and the second strip-shaped grooves, and the supporting plate can move along the second strip-shaped grooves to be close to or far away from the workbench.

According to some embodiments of the utility model, four bar-shaped through holes are formed in one side, close to the workbench, of the support, the four bar-shaped through holes are symmetrically arranged on two sides of the support, the bar-shaped through holes extend in the vertical direction, four connecting holes are formed in the workbench, the connecting holes correspond to the bar-shaped through holes one by one, and third bolts are arranged in the connecting holes and the bar-shaped through holes.

According to some embodiments of the utility model, the upper die plate is provided with a plurality of fourth through holes, the fourth through holes extend along the vertical direction, the fourth through holes are circumferentially arranged at intervals around the male die, the telescopic structure comprises a plurality of spring seats, the spring seats are in one-to-one correspondence with the fourth through holes, one ends of the spring seats are fixedly connected to the upper end face of the upper die plate, the spring seats are provided with mounting holes communicated with the fourth through holes, springs are arranged in the mounting holes, one ends of the springs are fixedly connected to the bottom wall of the mounting holes, the other ends of the springs are fixedly connected with guide rods, the guide rods penetrate through the fourth through holes, and the end parts of the guide rods are fixedly connected with the pressing plates.

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 foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a door skin window flanging device in accordance with some embodiments of the present utility model;

FIG. 2 is a side view of a door skin window flanging device in accordance with some embodiments of the present utility model;

FIG. 3 is a schematic view of a first partial construction of a door skin window flanging device in accordance with some embodiments of the present utility model;

FIG. 4 is a partial exploded view of an upper die mechanism according to some embodiments of the present utility model;

FIG. 5 is a second partial schematic view of a door skin window flanging device in accordance with some embodiments of the present utility model;

Fig. 6 is a schematic view of a third partial structure of a door skin window flanging device in accordance with some embodiments of the present utility model.

Wherein, the reference numerals:

A work table 100; a connection hole 101; a column 110; a second cross member 120; a foot pad 130;

A lower template 210; female die 220; a first type hole 221;

An upper template 310; fourth through hole 311; a male die 320; a pressing plate 330; a second hole 331; spring seat 340; a guide bar 350;

A frame 400; a first extension arm 401; a hydraulic cylinder 410; a piston rod 411; a connection plate 420; a support plate 430; the guide sleeve 440; a guide 450; a fixed flange 460;

A support 500; a second extension arm 510; a first bar-shaped groove 511; a positioning block 520; a second through hole 521; a support arm 530; a first cross member 531; a second bar-shaped groove 532; a pallet 540; a third through hole 541; a bracket 550; and a bar-shaped through hole 551.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the 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.

Referring to fig. 1 to 6, a door skin window flanging device provided by the utility model comprises a workbench 100, a lower die mechanism and an upper die mechanism, wherein the lower die mechanism comprises a lower die plate 210 and a female die 220, the lower die plate 210 is fixedly connected with the upper end surface of the workbench 100, the female die 220 is fixedly connected with the upper end surface of the lower die plate 210, the upper end surface of the female die 220 is used for placing a door skin, and a first hole 221 is formed in the middle of the female die 220; the upper die mechanism comprises an upper die plate 310, a male die 320, a pressing plate 330 and a driving structure, wherein the upper die plate 310 is parallel to the lower die plate 210, the male die 320 is fixedly connected to the lower end face of the upper die plate 310, the male die 320 is located right above the female die 220, the shape of the male die 320 is adapted to that of the first-type hole 221, the pressing plate 330 is located below the upper die plate 310, the pressing plate 330 is provided with a second-type hole 331, the pressing plate 330 is connected to the upper die plate 310 through a telescopic structure, the male die 320 penetrates through the second-type hole 331, the driving structure is connected to the workbench 100, and the driving structure can drive the upper die plate 310 to move up and down to drive the male die 320 to move towards or away from the female die 220.

Specifically, when the door skin window flanging device provided by the embodiment of the utility model is used, a worker places the door skin to be flanged on the female die 220, aligns the window positioned on the door skin with the first type hole 221 of the female die 220, the size of the first type hole 221 is slightly larger than that of the window, then the lower die plate 210 is driven by the driving structure to move so as to drive the pressing plate 330 and the male die 320 to move downwards, the pressing plate 330 can press the door skin to fix the door skin, and the male die 320 can pass through the second type hole 331 through the telescopic structure so that the male die 320 can move downwards continuously, and the size of the male die 320 is the same as that of the first type hole 221, so that the edge of the window can be bent downwards to finish flanging, the flanging difficulty is reduced, the flanging precision is increased, and the production efficiency is improved.

Referring to fig. 1 to 5, according to some embodiments of the present utility model, the driving structure includes a frame 400, a hydraulic cylinder 410 and a connection plate 420, the frame 400 is fixedly connected to an upper end surface of the table 100, the lower die plate 210 and the frame 400 are respectively disposed at opposite sides of the table 100, a first extension arm 401 is disposed at a top of the frame 400, the first extension arm 401 extends in a horizontal direction, the hydraulic cylinder 410 is disposed at an end of the first extension arm 401, the hydraulic cylinder 410 is provided with a piston rod 411, the piston rod 411 faces downward, an end of the piston rod 411 is fixedly connected to an upper end surface of the connection plate 420, and a lower end surface of the connection plate 420 is fixedly connected to an upper end surface of the upper die plate 310. Specifically, the hydraulic cylinder 410 can stably drive the lower die plate 210 to move, which is beneficial to the normal operation of flanging operation, and further, the lower die plate can be driven by a cylinder or other driving modes, which can be determined according to actual conditions and will not be described herein.

Referring to fig. 1 to 5, according to some embodiments of the present utility model, the end of the first extension arm 401 is provided with a support plate 430, the support plate 430 is parallel to the upper die plate 310, the hydraulic cylinder 410 is installed in the middle of the support plate 430, the support plate 430 is provided with two first through holes symmetrically arranged at both sides of the hydraulic cylinder 410, the axial direction of the first through holes is the same as the axial direction of the piston rod 411, a guide sleeve 440 is installed in the first through holes, a guide rod 450 is installed in the guide sleeve 440 in a penetrating manner, the guide rod 450 can move up and down along the guide sleeve 440, and the lower end of the guide rod 450 is fixedly connected with the connecting plate 420 through a fixing flange 460. Specifically, under the driving of the hydraulic cylinder 410, the guide rod 450 and the guide sleeve 440 cooperate to play a role in guiding, so that the moving stability of the lower die plate 210 is improved, and the flanging precision is improved.

Preferably, referring to fig. 1, in some embodiments, two hydraulic cylinders 410 are provided, and two hydraulic cylinders 410 are symmetrically arranged at the middle of the support plate 430, and the two hydraulic cylinders 410 are provided to increase power, so that the driving stability can be enhanced, and the moving speed of the lower die plate 210 can be increased, thereby improving the production efficiency.

Referring to fig. 1 to 5, according to some embodiments of the present utility model, an upper die plate 310 is provided with a plurality of fourth through holes 311, the fourth through holes 311 extend in a vertical direction, the plurality of fourth through holes 311 are circumferentially spaced around a male die 320, a telescopic structure includes a plurality of spring seats 340, the spring seats 340 are in one-to-one correspondence with the fourth through holes 311, one end of each spring seat 340 is fixedly connected to an upper end surface of the upper die plate 310, each spring seat 340 is provided with a mounting hole communicated with the fourth through holes 311, a spring is mounted in the mounting hole, one end of each spring is fixedly connected to a bottom wall of the mounting hole, the other end of each spring is fixedly connected with a guide rod 350, the guide rod 350 is arranged through the fourth through holes 311, and an end of the guide rod 350 is fixedly connected to a pressing plate 330.

Specifically, when the hydraulic cylinder 410 drives the lower die plate 210 to move downwards, the pressing plate 330 and the male die 320 move downwards, because the size of the pressing plate 330 is larger than that of the male die 320, the pressing plate 330 positioned below the male die 320 contacts the door skin first and continues to press downwards to press the door skin under the driving of the hydraulic cylinder 410, so that the door skin can be fixed, and meanwhile, the springs shrink after receiving the reaction force from the door skin, so that the male die 320 can continue to move downwards along with the lower die plate 210 and pass through the second shaped hole 331, the size of the male die 320 is the same as that of the first shaped hole 221, and the window size of the door skin is slightly smaller than that of the first shaped hole 221, the male die 320 can bend the window edge downwards to finish flanging, so that the flanging difficulty is reduced, the flanging precision is increased, and the production efficiency is improved.

Preferably, referring to fig. 1 to 3, in some embodiments, four columns 110 are provided at the bottom four corners of the table 100 to support the table 100, a second beam 120 is provided between adjacent columns 110 to enhance structural strength, and a foot pad 130 is provided at the bottom of the column 110.

Referring to fig. 1 to 6, according to some embodiments of the present utility model, the lower mold mechanism further includes a positioning structure including two support frames 500, two sides of the table 100 adjacent to the frame 400 are respectively connected to one support frame 500, one side of the support frame 500 adjacent to the frame 400 is provided with a second extension arm 510, the second extension arm 510 extends in a horizontal direction, an upper end surface of the second extension arm 510 is provided with a positioning block 520, and when the door skin is placed on the lower mold plate 210, a side surface of the door skin can abut against the positioning block 520. Specifically, the positioning structure is used for rapidly positioning the positions of the window and the first type hole 221 when the door skin is placed, and the positions of the positioning blocks 520 are preset, and then the side surfaces at the two ends of the door skin are respectively abutted against the corresponding positioning blocks 520, so that rapid positioning can be realized, and the production efficiency is improved.

Referring to fig. 1 to 6, according to some embodiments of the present utility model, a support frame 500 is provided with two second extension arms 510, the two second extension arms 510 are arranged side by side, an upper end surface of each second extension arm 510 is provided with a first bar-shaped groove 511, the first bar-shaped groove 511 extends along a length direction of each second extension arm 510, a positioning block 520 is correspondingly provided with a second through hole 521, the second through hole 521 extends in a vertical direction, a first bolt is arranged in each second through hole 521 and each first bar-shaped groove 511, and the positioning block 520 can move along each first bar-shaped groove 511 to be close to or far away from the support frame 500. Specifically, the first strip-shaped groove 511 is matched with the second through hole 521, so that the position of the positioning block 520 can be adjusted according to the sizes of different door skins, the device can be suitable for the door skins with different sizes, and the production cost is reduced.

Further, the number of the second extension arms 510 may be three, four or other numbers, and may be determined according to the size of the door skin, and the distances between the plurality of second extension arms 510 may be determined according to practical situations, which are not particularly limited herein.

Referring to fig. 1 to 6, according to some embodiments of the present utility model, a support frame 500 includes a supporting plate 540 and two supporting arms 530, the supporting plate 540 is used for supporting a door skin, the two supporting arms 530 are arranged side by side, a first cross beam 531 is disposed between the two supporting arms 530, the first cross beam 531 is used for enhancing structural strength of the support frame 500, one end of the supporting arm 530 is fixedly connected to a workbench 100 through a bracket 550, two ends of the supporting plate 540 are respectively connected to upper end surfaces of the two supporting arms 530, the upper end surfaces of the supporting arm 530 are provided with a second bar-shaped groove 532, the second bar-shaped groove 532 extends along a length direction of the supporting arm 530, two ends of the supporting plate 540 are respectively provided with a third through hole 541, the third through hole 541 extends along a vertical direction, a second bolt is disposed in the third through hole 541 and the second bar-shaped groove 532, and the supporting plate 540 can move along the second bar-shaped groove 532 to approach or separate from the door skin 100, thereby being able to accommodate doors of different sizes.

Further, the second extension arm 510, the support arm 530 and the first cross beam 531 may be made of profiles, and may be matched with the supporting plate 540 and the positioning block 520 through a bar slot formed in the profile, so that the production cost may be saved.

Referring to fig. 1 to 6, according to some embodiments of the present utility model, four bar-shaped through holes 551 are provided at one side of the support 550 near the table 100, the four bar-shaped through holes 551 are symmetrically arranged at both sides of the support 550, the bar-shaped through holes 551 extend in a vertical direction, the table 100 is provided with four connection holes 101, the connection holes 101 are in one-to-one correspondence with the bar-shaped through holes 551, and third bolts are provided in the connection holes 101 and the bar-shaped through holes 551. Specifically, through the cooperation of connecting hole 101 and bar through-hole 551, can be according to the height of actual conditions adjustment support frame 500, simple structure, the simple operation.

Further, the number of the bar-shaped through holes 551 may be other, and the arrangement of the bar-shaped through holes 551 may be other, and may be determined according to the actual situation, which will not be described herein.

In the embodiment of the present utility model, the connecting member may be a clip or a plate with other shapes, and the connecting manner may be a fastening manner, a screw fixing manner, or a welding manner, which will not be described herein.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (8)

1. A door skin window flanging device, comprising:

A work table;

The lower die mechanism comprises a lower die plate and a female die, wherein the lower die plate is fixedly connected to the upper end face of the workbench, the female die is fixedly connected to the upper end face of the lower die plate, the upper end face of the female die is used for placing a door skin, and a first hole is formed in the middle of the female die;

The upper die mechanism comprises an upper die plate, a male die, a pressing plate and a driving structure, wherein the upper die plate is parallel to the lower die plate, the male die is fixedly connected to the lower end face of the upper die plate, the male die is located right above the female die, the shape of the male die is adaptive to the first type hole, the pressing plate is located below the upper die plate, the pressing plate is provided with a second type hole, the pressing plate is connected to the upper die plate through a telescopic structure, so that the male die penetrates through the second type hole, the driving structure is connected to the workbench, and the driving structure can drive the upper die plate to move up and down to drive the male die to move towards or away from the female die.

2. The door skin window flanging device according to claim 1, wherein the driving structure comprises a frame, a hydraulic cylinder and a connecting plate, the frame is fixedly connected to the upper end face of the workbench, the lower die plate and the frame are respectively arranged on two opposite sides of the workbench, a first extension arm is arranged at the top of the frame and extends in the horizontal direction, the hydraulic cylinder is arranged at the end of the first extension arm, a piston rod is arranged on the hydraulic cylinder, the piston rod faces downwards, the end of the piston rod is fixedly connected with the upper end face of the connecting plate, and the lower end face of the connecting plate is fixedly connected with the upper end face of the upper die plate.

3. The door skin window flanging device according to claim 2, wherein the end portion of the first extension arm is provided with a support plate, the support plate is parallel to the upper template, the hydraulic cylinder is installed in the middle of the support plate, the support plate is provided with two first through holes, the two first through holes are symmetrically arranged on two sides of the hydraulic cylinder, the axial direction of the first through holes is the same as the axial direction of the piston rod, a guide sleeve is installed in the first through holes, a guide rod is arranged in the guide sleeve in a penetrating manner, the guide rod can move up and down along the guide sleeve, and the lower end of the guide rod is fixedly connected with the connecting plate through a fixing flange.

4. The door skin window flanging device according to claim 2, wherein the lower die mechanism further comprises a positioning structure, the positioning structure comprises two supporting frames, the two sides of the workbench adjacent to the frame are respectively connected with one supporting frame, one side of the supporting frame, which is close to the frame, is provided with a second extension arm, the second extension arm extends along the horizontal direction, the upper end face of the second extension arm is provided with a positioning block, and when the door skin is placed on the lower die plate, the side face of the door skin can be abutted against the positioning block.

5. The door skin window flanging device according to claim 4, wherein the support frame is provided with two second extension arms, the two second extension arms are arranged side by side, an upper end face of the second extension arm is provided with a first bar-shaped groove, the first bar-shaped groove extends along a length direction of the second extension arm, the positioning block is correspondingly provided with a second through hole, the second through hole extends along a vertical direction, a first bolt is arranged in the second through hole and the first bar-shaped groove, and the positioning block can move along the first bar-shaped groove to be close to or far away from the support frame.

6. The door skin window flanging device according to claim 5, wherein the support frame includes a supporting plate and two support arms, two support arms are arranged side by side, a first cross beam is arranged between the two support arms, one end of the support arm is fixedly connected to the workbench through a support, two ends of the supporting plate are respectively connected to the upper end faces of the two support arms, the upper end faces of the support arm are provided with second strip-shaped grooves, the second strip-shaped grooves extend along the length direction of the support arm, two ends of the supporting plate are respectively provided with a third through hole, the third through holes extend along the vertical direction, second bolts are arranged in the third through holes and the second strip-shaped grooves, and the supporting plate can move along the second strip-shaped grooves to be close to or far away from the workbench.

7. The door skin window flanging device according to claim 6, wherein one side of the bracket, which is close to the workbench, is provided with four strip-shaped through holes, the four strip-shaped through holes are symmetrically arranged on two sides of the bracket, the strip-shaped through holes extend in the vertical direction, the workbench is provided with four connecting holes, the connecting holes are in one-to-one correspondence with the strip-shaped through holes, and third bolts are arranged in the connecting holes and the strip-shaped through holes.

8. The door skin window flanging device according to claim 1, wherein the upper die plate is provided with a plurality of fourth through holes, the fourth through holes extend along the vertical direction, the fourth through holes are circumferentially arranged at intervals around the male die, the telescopic structure comprises a plurality of spring seats, the spring seats and the fourth through holes are in one-to-one correspondence, one ends of the spring seats are fixedly connected to the upper end face of the upper die plate, the spring seats are provided with mounting holes communicated with the fourth through holes, springs are arranged in the mounting holes, one ends of the springs are fixedly connected to the bottom wall of the mounting holes, guide rods are fixedly connected to the other ends of the springs, the guide rods penetrate through the fourth through holes, and the end parts of the guide rods are fixedly connected with the pressing plates.