CN219195004U

CN219195004U - Leather row-punching machine and automatic die changing device thereof

Info

Publication number: CN219195004U
Application number: CN202223280706.7U
Authority: CN
Inventors: 李俊
Original assignee: Foshan Lingfeng Sewing Equipment Co ltd
Current assignee: Foshan Lingfeng Sewing Equipment Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-16
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a leather discharging and punching machine and an automatic die changing device thereof, which comprise a frame, an X-axis pressure mechanism supported on the frame and a Y-axis feeding mechanism supported on the frame and positioned below the X-axis pressure mechanism. The leather row punching machine and the automatic die changing device thereof automatically replace punch dies in sequence, and can realize the common use of a plurality of sets of punch dies through one set of X-axis pressure mechanism, thereby having the advantage of rapid processing of large-area personalized irregular leather punching patterns.

Description

Leather row-punching machine and automatic die changing device thereof

Technical Field

The utility model relates to the technical field of leather punching, in particular to a device capable of automatically switching punching dies and a matched leather discharging and punching machine thereof.

Background

Leather is a common material for manufacturing articles such as clothes, bags, cushions and the like, leather punching is beneficial to improving the air permeability and aesthetic feeling of leather, particularly in the automobile chair cover industry, various large-area punching patterns are needed, at present, a large-area high-density punching machine on the market mainly comprises a medium-large punching machine, the width of a single processing breadth is about 10cm, thousands of leather holes can be punched at one time through continuous conveying and repeated arrangement punching, the efficiency is high, the leather punching machine is suitable for processing large fabrics, but the whole breadth can only process repeated regular patterns, and the customization requirement of personalized irregular patterns on the market at present is not met. For example, chinese patent publication No. CN208617911U discloses a novel leather punching device, in which a first motor is symmetrically disposed at two sides of a housing, a long rod is pressed by the motor, and a slider below the long rod is driven by the long rod to move up and down in a bracket, so as to drive a punching needle plate connected to a connecting shaft to vertically reciprocate up and down, and the leather is punched by using the punching needle plate.

In addition, there are manufacturers developing ultra-large punching dies, but the cost of the pressure system is increased several times, and the failure rate is high, which is not popularized and used. Therefore, there is an urgent need in the industry for a leather punching device capable of processing irregular personalized patterns in a large area, with high production efficiency and low cost, and for this purpose, the inventor proposes an improvement scheme of the application.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the leather row punching machine and the automatic die changing device thereof, wherein a plurality of parallel-arranged translatable die frame plates are arranged, punch dies with different patterns are assembled below the die frame plates, and the plurality of punch dies are combined together to form personalized irregular patterns, so that the function of customizing the punching patterns of the large fabric is realized, and the production efficiency is effectively improved.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an automatic die changing device, which is characterized in that: the die carrier comprises a die carrier translation device, a die carrier arranged above the die carrier translation device, a punch die assembled at the bottom of the die carrier, and a reset device connected between the die carrier translation device and the die carrier and used for resetting the die carrier, wherein the die carrier is formed by parallel arrangement of more than two die carrier plates. According to the technical scheme, the die frame is conveyed forwards in a stepping mode through the die frame translation device, the die frame plates are respectively and independently provided with the punch dies, the current punch die is restored to the original state through the reset device after being punched, and the die frames are conveyed forwards until the next punch die reaches the processing station.

As a preferable scheme of the application, the die carrier translation device comprises a left sliding rail, a right sliding rail, a die changing frame vertical plate arranged on the sliding rail in a sliding manner and a driving piece for driving the die changing frame vertical plate to reciprocate along the Y-axis direction.

As a preferred scheme of the application, the driving piece comprises a screw motor and a transmission seat which is used for being in transmission connection with the die changing frame vertical plate, and the transmission seat is in rotary connection with a screw of the screw motor.

As a preferable scheme of the application, the bottom of the die carrier plate is of an inverted concave structure, chip removal ports for removing chips are arranged at two ends of the die carrier plate, and through holes are correspondingly formed in positions, corresponding to the chip removal ports, of the die changing frame vertical plate. According to the technical scheme, the scraps generated in the punching process can reach the outer side of the die changing frame vertical plate along with the blowing device.

As a preferable scheme of the application, the outside of the die changing frame vertical plate is provided with a chip removal sealing plate.

As a preferable scheme of the application, the die carrier resetting device comprises a guide post assembled on the inner side of the die changing frame vertical plate, an elastic piece sleeved on the guide post and a fastening piece used for fixing the die carrier.

As a preferable scheme of the application, the number of the punch dies is more than two, and the arrangement shapes of the punches in each punch die are different, and the punches can be spliced into a complete pattern in sequence. According to the technical scheme, a large-area punching pattern is split into the small punch die, and the personalized irregular pattern punching of the large fabric can be realized by using the same set of pressure mechanism, so that the manufacturing cost of equipment is saved.

On the other hand, the utility model also provides a leather discharging and flushing machine, which comprises a frame, an X-axis pressure mechanism supported on the frame and a Y-axis feeding mechanism supported on the frame and positioned below the X-axis pressure mechanism, and is characterized in that the automatic die changing device according to any one of the schemes is further arranged between the X-axis pressure mechanism and the Y-axis feeding mechanism.

Realize above-mentioned technical scheme, compare in traditional leather row towards machine, the leather row towards machine that this application provided, through polylith punch die combination, and X axle pressure mechanism and Y axle feeding mechanism cooperation motion, only use one set of pressure mechanism can realize the individualized irregular pattern of massive surface fabric and punch a hole, since saving equipment manufacturing cost has improved the work efficiency who punches a hole again.

In summary, the utility model has the following beneficial effects:

according to the embodiment of the utility model, the leather arranging and punching machine and the automatic die changing device thereof are provided, the automatic die changing device is arranged on the leather arranging and punching machine, the pressing force is applied to the die frame plate through the descending action of the X-axis pressing mechanism, the punching processing of leather workpieces is completed, the pressed die frame plate is restored to the original position through the resetting device, the progressive forward conveying of the die frame is realized through the die frame translation device, the automatic die changing is realized, and as the patterns of the punch dies assembled by the die frame plates are different, the common use of a plurality of sets of punch dies can be realized through one set of X-axis pressing mechanism, the large-scale individualized irregular patterns can be processed, the problem that the traditional medium-scale punching machine can only punch regular patterns is solved, and the high cost caused by using the ultra-large punching die is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an automatic mold changing device according to an embodiment of the utility model.

Fig. 2 is an exploded view of an automatic mold changing device according to an embodiment of the present utility model.

FIG. 3 is a schematic view of another angle structure of the automatic mold changing device according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of an automatic mold changing device according to an embodiment of the utility model.

Fig. 5 is a schematic structural view of a leather draining machine according to an embodiment of the present utility model.

Fig. 6 is a schematic view of another angle structure of fig. 5.

Corresponding part names are indicated by numerals and letters in the drawings:

1. a die carrier translation device; 2. a mould frame; 3. a punch die; 4. a reset device; 5. a frame; 6. an X-axis pressure mechanism; 7. a Y-axis feeding mechanism;

11. a slide rail; 12. a formwork vertical plate is replaced; 121. a through hole; 122. chip removal sealing plates; 123. a post hole; 13 a driving member; 131. a screw motor; 132. a transmission seat; 14. a slide block; 21. a die frame plate; 211. a chip removal port; 41. a guide post; 42. an elastic member; 43. a fastener; 51. a bottom plate; 511. a notch; 61. a punching driving motor; 62. a cam; 63. a connecting rod; 64. stamping parts; 71. a feeding table; 72. and a feeding driving motor.

Detailed Description

Examples

Referring to fig. 2, 5 and 6, the present embodiment relates to a leather discharging and punching machine, which includes a frame 5, an X-axis pressing mechanism 6 carried on the frame 5, and a Y-axis feeding mechanism 7 carried on the frame 5 and located below the X-axis pressing mechanism 6. The structure of the X-axis pressing mechanism 6 and the Y-axis feeding mechanism 7 disclosed in this embodiment is the same as that of the prior art and is not the utility model point of the present application, and only a simple description is made here, the X-axis pressing mechanism 6 includes a punching driving motor 61, a cam 62, a connecting rod 63 and a stamping part 64, the punching driving motor 61 is used as power output, is rotationally connected with the cam 62, and drives the stamping part 64 to do vertical lifting movement through the connecting rod 63 connected with the cam 62; the Y-axis feeding mechanism 7 comprises a feeding table 71 and a feeding driving motor 72, wherein the feeding table 71 is arranged on the bottom plate 51 of the frame 5 in a sliding manner, and is driven by the feeding driving motor 72 to reciprocate back and forth.

In order to realize the personalized irregular pattern punching processing of the large fabric, an automatic die changing device is further arranged between the X-axis pressure mechanism 6 and the Y-axis feeding mechanism 7, and is shown in combination with fig. 1, 3 and 4, and comprises a die frame translation device 1, a die frame 2, a punch die 3 and a reset device 4, wherein the punch die 3 is assembled at the bottom of the die frame 2, and the die frame 2 is movably connected with the die frame translation device 1 through the reset device 4. The mold frame 2 is formed by arranging more than two mold frame plates 21 in parallel, generally using 2-8 mold frame plates, in this embodiment, six mold frame plates are used as an example, the sliding rail 11 in the mold frame translation device 1 is arranged on the bottom plate 51 left and right along the Y axis, and the mold frame replacement vertical plate 12 is carried on the sliding rail 11 and is in sliding connection with the sliding rail 11 through the sliding block 14; the cross section of the die changing frame vertical plate 12 is convex, the bottom is connected with a driving piece 13 for driving the die changing frame vertical plate 12 to reciprocate along the Y-axis direction, the driving piece 13 comprises a transmission seat 132 connected with the bottom of the die changing frame vertical plate 12 and a screw rod motor 131 assembled below a bottom plate 51, the bottom plate 51 is provided with a notch 511, and the transmission seat 132 penetrates through the notch 511 to be rotationally connected with a screw rod of the screw rod motor 131; a plurality of column holes 123 for installing the die frame resetting device 4 are arranged on the inner side of the die frame replacing vertical plate 12 along the Y axis; the guide post 41 of the die carrier resetting device 4 is arranged on the inner side of the stand upright plate 12 through a post hole 123, an elastic piece 42 is sleeved outside the guide post 41, the elastic piece of the embodiment uses a spring, six die carrier plates 21 are sequentially arranged on the guide post 41 and are fixed through a fastening piece 43, and the fastening piece can use bolts, nuts and the like; six die frame plates 21 are sequentially arranged in parallel to form a die frame 2, correspondingly, the number of punch dies 3 is six, the punch arrangement shapes in the punch dies are different, and the six punch dies 3 are sequentially assembled at the bottom of the die frame plate 21 to form a complete punching pattern.

Working principle: the leather workpiece to be processed is placed on a feeding table 71 of a Y-axis feeding mechanism 7, the Y-axis feeding mechanism is started, the leather workpiece is conveyed to the position below a stamping part 64 of an X-axis pressure mechanism 6, meanwhile, a die frame translation device 1 is started, a first die frame plate 21 is conveyed between the leather workpiece and the stamping part 64, then the X-axis pressure mechanism 6 is started, the stamping part 64 is pressed down and drives the first die frame plate 21 to press down, the punching of the leather workpiece is performed by a punch die at the bottom of the die frame plate, after the punching is completed, the stamping part 64 rises, the first die frame plate is elastically reset by a reset device 4, then the Y-axis feeding mechanism is started again to convey the leather workpiece forwards, meanwhile, the die frame translation device 1 is started, a second die frame plate 21 is conveyed to the position below the stamping part 64, die changing is completed, the X-axis pressure mechanism 6 is started again, and the second die frame plate is pressed down, and the process is repeated until a sixth piece of personalized irregular pattern of leather can be completed.

Through the embodiment, the punch dies are automatically replaced in sequence, multiple sets of punch dies can be used together through one set of X-axis pressure mechanism, and because the punch die patterns assembled by the die carrier plates are different, the large-scale personalized irregular patterns can be processed, the problem that the traditional medium-and-large-sized punching machine can only punch regular patterns is solved, and the high cost caused by using the ultra-large punching die is avoided.

In order to clean and facilitate the leather punching process, the bottom of the die frame plate 21 is of an inverted concave structure, chip discharge ports 211 for discharging the chips are arranged at two ends, after the punch die is installed, namely, the die frame plate is formed into a closed space, a certain amount of chips can be stored, in order to discharge the internal chips, through holes 121 are correspondingly arranged at positions of the die frame plate 12 corresponding to the chip discharge ports 211, and a blowing pipe is communicated, and the blowing pipe is used for blowing air to opposite sides to blow out the internal chips.

The outside of the die changing frame vertical plate 12 is also provided with a chip removal sealing plate 122, when the chip removal is not required to be cleaned, the through holes 121 are sealed by the chip removal sealing plate 122, the chip removal is prevented from falling out, and when the chip removal sealing plate is opened during cleaning, a blowing device is started, so that the cleaning management according to the requirement can be realized.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic die changing device, which is characterized in that: the die carrier comprises a die carrier translation device (1), a die carrier (2) arranged above the die carrier translation device (1), a punch die (3) assembled at the bottom of the die carrier (2), and a reset device (4) connected between the die carrier translation device (1) and the die carrier (2) and used for resetting the die carrier (2), wherein the die carrier (2) is formed by parallel arrangement of more than two die carrier plates (21).

2. The automatic mold changing device according to claim 1, wherein the mold frame translation device (1) comprises a sliding rail (11) arranged left and right, a mold changing frame vertical plate (12) arranged on the sliding rail (11) in a sliding manner, and a driving piece (13) for driving the mold changing frame vertical plate (12) to reciprocate along the Y-axis direction.

3. The automatic mold changing device according to claim 2, characterized in that the driving member (13) comprises a screw motor (131), a transmission seat (132) for transmission connection with the mold changing frame vertical plate (12), and the transmission seat (132) is rotatably connected with a screw of the screw motor (131).

4. The automatic die changing device according to claim 2, wherein the bottom of the die carrier plate (21) is of an inverted concave structure, chip removal ports (211) for removing chips are arranged at two ends, and through holes (121) are correspondingly arranged at positions of the die carrier plate (12) corresponding to the chip removal ports (211).

5. The automatic mold changing device according to claim 4, characterized in that a chip removal closing plate (122) is arranged outside the mold changing frame vertical plate (12).

6. The automatic mold changing device according to claim 1, wherein the mold frame resetting device (4) comprises a guide post (41) assembled on the inner side of the mold changing frame vertical plate (12), an elastic piece (42) sleeved on the guide post (41), and a fastener (43) for fixing the mold frame.

7. The automatic die changing device according to claim 1, wherein the number of the punch dies (3) is more than two, and the punch arrangement shapes in each punch die (3) are different and can be spliced into a complete pattern in sequence.

8. A leather line punch comprising a frame (5), an X-axis pressure mechanism (6) carried by the frame (5) and a Y-axis feeding mechanism (7) carried by the frame (5) and positioned below the X-axis pressure mechanism (6), wherein an automatic die changing device according to any one of claims 1-5 is further arranged between the X-axis pressure mechanism (6) and the Y-axis feeding mechanism (7).