Automatic mold capable of producing four trousers clamping pieces at one time

Abstract

The utility model relates to an automatic mould for producing trouser clamping pieces by one-out four, which comprises a stamping device, a feeding machine and a forming mould, the stamping device is provided with an operating platform and a stamping part located above the operating platform, the feeding machine is arranged on one side of the operating platform, and the forming mould comprises a lower mould fixed on the operating platform and an upper mould installed on the stamping part. The lower die is sequentially provided with an embossing and punching position, a cutting position and a flanging discharging position, the flanging discharging position is provided with a cutting opening, and an in-die blowing assembly is arranged in the flanging discharging position. The technical problems that the working efficiency is low and time and labor are wasted due to the fact that more waste materials are generated after stamping of an existing trouser clamping piece production die and discharging is inconvenient are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stamping dies, in particular to an automatic die for producing trouser clips with four trouser clips. Background Art

[0002] At present, the processing of trouser clips generally adopts the form of stamping. Stamping is a pressure processing method that uses a mold installed on a press to apply pressure to the material to cause it to separate or deform, thereby obtaining the required parts. When processing trouser clips, first install the lower mold on the operating table of the press, install the upper mold on the stamping part of the press, and set a feeder on one side of the press. The feeder is equipped with a material belt, which is pushed to the lower mold through the feeder, and then the stamping part presses the upper mold down to form the required parts on the material belt. However, during use of the above method, due to the irregular arrangement of the stamping positions on the lower mold, more waste is generated on the material belt after stamping, and the parts after stamping need to be collected manually, which has low work efficiency and is time-consuming and labor-intensive. Utility Model Content

[0003] The purpose of the utility model is to provide an automatic mold for producing four trouser clips in one mold, so as to solve the technical problems that the existing trouser clip molds generate a lot of waste after stamping and are inconvenient to discharge the materials, resulting in low work efficiency, time and labor consumption.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an automatic mold for producing four trouser clips with one output, including a stamping device, a feeder and a forming mold. The stamping device has an operating table and a stamping part located above the operating table. The feeder is arranged on one side of the operating table. The forming mold includes a lower mold fixed on the operating table and an upper mold installed on the stamping part. The lower mold is provided with an embossing punching position, a cutting position, and a flanging discharge position in sequence. The flanging discharge position is provided with a cutting port, and the flanging discharge position is provided with an in-mold blowing component.

[0005] Furthermore, the in-mold blowing assembly includes a blowing plate, which is movable in the lower mold through an elastic member. At least two blowing holes are provided on one side of the blowing plate, and the blowing holes correspond to the flanging discharge positions. A chamber connected to the blowing holes is provided in the blowing plate, and the chamber is connected to an external cylinder arranged on the stamping equipment through an air pipe.

[0006] Furthermore, the lower mold is provided with several groups of positioning points arranged along the horizontal direction of the lower mold, and the positioning points include a first positioning hole located above the lower mold, a second positioning hole located in the middle position of the lower mold, and a third positioning hole located below the lower mold. The step distance between adjacent positioning points is 59.5 mm.

[0007] Furthermore, the material strip is made of stainless steel, and the material strip enters the forming mold through a feeder for stamping, and the material width of the material strip is 120 mm.

[0008] Furthermore, the embossing and punching position includes an embossing position and a punching position, a notch is provided on the embossing position, an embossing mold is provided in the notch, at least two embossings are provided on the embossing mold, an elastic part is provided in the notch, an embossing ejector pin is provided above the elastic part, the embossing ejector pin extends from a through hole provided in the middle of the embossing mold, a punching hole is provided at the punching position, a punching needle is provided at the corresponding punching hole of the upper mold, and two embossing and punching positions are provided on the lower mold, and the embossing positions and punching positions on the two embossing and punching positions are arranged oppositely.

[0009] Furthermore, the cutting position is provided with a plurality of cross-staggered cutting grooves, a knife edge is formed at the notch of the cutting groove, and fractures are provided on both sides of the knife edge around the outside of the cutting groove. A cutting mold is movably provided in the cutting groove, and a top piece is provided in the cutting groove. One end of the top piece is in contact with the lower bottom surface of the cutting mold, and the other end is connected to an elastic piece. A top piece is provided on the cutting position, and a movable groove is provided on the cutting position. The top piece moves in the movable groove and is connected to an elastic piece.

[0010] Furthermore, a flanging groove is provided on the flanging discharge position, a push pin is connected to the flanging groove through an elastic part, a flanging mold is provided in the flanging groove, the push pin and the lower bottom surface of the flanging mold are abutted against each other, the flanging mold is fixed in the flanging groove through a locking module, and a lower pressure pin is provided on the upper mold corresponding to the flanging mold.

[0011] Furthermore, a cutting block is provided at the position corresponding to the cutting opening of the upper mold, and a guide pin matching the positioning hole in the positioning position is also provided on the upper mold.

[0012] Furthermore, the lower mold is provided with a plurality of lower guide holes and a plurality of lower guide pillars, and the upper mold is provided with upper guide pillars corresponding to the lower guide holes and upper guide holes corresponding to the lower guide pillars.

[0013] Through the above technical scheme, compared with the prior art, the utility model has the following beneficial effects: by sequentially arranging an embossing punching position, a cutting position and a flanging discharge position on the lower mold, the embossing punching position is used to punch out patterns and punch out holes on the material strip, and the cutting position is used to cut out the shape of the trouser clip at the punched-out patterns and holes. At this time, the cut-out trouser clip has a connection point connected to the material strip due to the fractures on both sides of the blade, so the trouser clip is still fixed on the material strip, and then the connection point is cut off through the cutting openings arranged around the flanging discharge position, so that the trouser clip is placed on the flanging discharge position, and the two sides of the trouser clip are flanging by the stamping of the lower mold and the upper mold, and finally the trouser clip located on the flanging discharge position is blown out by the in-mold blowing component, thus completing the entire process of punching and forming the trouser clip. The material width of the material strip used in the above process is 1 The trouser clips are punched out at equal intervals in the horizontal direction of the material strip, and the step distance between adjacent trouser clip groups is 59.5mm. After the trouser clips are punched out by using the above two data, the remaining waste will be greatly reduced, thereby saving more materials and solving the technical problem that the existing trouser clip molds generate a lot of waste after stamping; and, the mold is used to discharge the material by using an in-mold blowing component, specifically by movably setting a blowing plate on the lower mold and opening at least two blowing holes on the blowing plate, the blowing plate is connected to an external cylinder, and the air flow is blown out through the blowing plate at the blowing holes on the blowing plate by the external cylinder to realize blowing discharge. The above method solves the technical problem that the existing trouser clip molds are inconvenient to discharge the material, resulting in low work efficiency, time-consuming and labor-intensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the top view of the lower mold of the present invention;

[0017] Figure 3 This is a schematic diagram of the top structure of the upper mold of the present invention;

[0018] Figure 4 This is a schematic diagram of the side sectional structure of the lower mold of the present utility model;

[0019] Figure 5 This is a schematic diagram of the side sectional structure of the forming die of the present invention;

[0020] Figure 6 This is a schematic diagram of the upper surface structure of the lower mold of the present invention;

[0021] Figure 7 This is a schematic diagram of the material strip structure of the present utility model;

[0022] The utility model number information is as follows:

[0023] 1. Stamping equipment; 2. Feeder; 3. Lower die; 4. Upper die; 5. Blow plate; 6. First positioning hole; 7. Second positioning hole; 8. Third positioning hole; 9. Floating pin; 10. Material strip; 301. Embossing punching position; 302. Cutting position; 303. Flanging discharge position; 304. Cutting edge; 305. Lower guide hole; 306. Lower guide post; 401. Punching needle; 402. Lower pressing needle; 403. Cutting block; 404. Upper guide post; 405. Upper guide hole; 406. Guide pin; 501. Blow hole; 901. Positioning groove; 3011. Embossing; 3012. Embossing ejector pin; 3013. Punching hole; 3014. Embossing die; 3021. Cutting die; 3022. Ejector; 3023. Flanging edge; 3031. Flanging die;

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The following is a combination of the appended examples of the present invention Figure 1-7 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort shall fall within the scope of protection of the present invention.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0028] like Figure 1-7 As shown: An automatic mold for producing four trouser clips in one output, including a stamping device 1, a feeder 2 and a forming mold. The stamping device 1 has an operating table and a stamping part located above the operating table. The feeder 2 is arranged on one side of the operating table. The forming mold includes a lower mold 3 fixed on the operating table and an upper mold 4 installed on the stamping part. The lower mold 3 is provided with an embossing punching position 301, a cutting position 302, and a flanging discharge position 303 in sequence. The flanging discharge position 303 is provided with a cutting port 304, and the flanging discharge position 303 is provided with an in-mold blowing component.

[0029] like Figure 1 As shown: In this embodiment, the stamping equipment 1 is a punch press, which is provided with a stamping part that can move up and down. The upper mold 4 is fixed to the stamping part by bolts or hooks. Specifically, fixing ports are provided on both sides of the stamping part, and the upper mold 4 is provided with mounting bolts corresponding to the fixing ports. The mounting bolts are inserted into the fixing ports, and the cap at the top of the bolt fixes the bolt in the fixing port.

[0030] The lower mold 3 is provided with two sets of oppositely placed embossing punching positions 301, two sets of oppositely placed cutting positions 302 and two sets of oppositely placed flanging discharge positions 303. Each set of processing positions can punch out two trouser clips. When processing reaches the flanging discharge position 303, four trouser clips will be formed. At this time, the in-mold blowing component will blow out the four trouser clips at the same time to complete the one-out-four trouser clips.

[0031] like Figure 4 As shown: the in-mold blowing assembly includes a blowing plate 5, which is movable in the lower mold 3 through an elastic member. At least two blowing holes 501 are provided on one side of the blowing plate 5, and the blowing holes 501 correspond to the flanging discharge position 303. A chamber connected to the blowing holes 501 is provided in the blowing plate 5, and the chamber is connected to an external cylinder arranged on the stamping equipment 1 through an air pipe.

[0032] When the upper mold 4 is pressed down onto the lower mold 3, the blowing plate 5 will be pressed into the blowing plate mounting hole opened on the lower mold 3. An elastic part is pre-installed in the blowing plate mounting hole. When the blowing plate 5 is pressed down, the elastic part will accumulate force. When the upper mold 4 is lifted, the blowing plate 5 will be lifted up again due to the influence of the elastic part to achieve reset. In this embodiment, two blowing plates 5 are provided, and the blowing holes 501 of the two blowing plates 5 are arranged oppositely and both correspond to the flanging discharge position 303. The chambers in the two blowing plates 5 are connected by a tube body. When the external cylinder is started, the airflow is transmitted into the two blowing plates 5 through the tube body and can blow air outward at the same time.

[0033] like Figure 2-3 As shown: the lower mold 3 is provided with several groups of positioning points arranged along the horizontal direction of the lower mold, the positioning points include a first positioning hole 6 located above the lower mold 3, a second positioning hole 7 located in the middle of the lower mold 3 and a third positioning hole 8 located below the lower mold 3, and the step distance between adjacent positioning points is 59.5 mm.

[0034] The lower mold 2-6 is provided with a number of floating pins 9, and the floating pins 9 are movable on the lower mold 3 through elastic parts. The floating pins 9 are provided with positioning grooves 901 for clamping the material strip 10. When the upper mold 4 is pressed down onto the lower mold 3, the floating pins 9 will be pressed down into the pin holes opened on the lower mold 3. The pin holes are provided with elastic parts. When the floating pins 9 are pressed into the pin holes, the elastic parts are in a force storage state. When the upper mold 4 is lifted, the floating pins 9 will be lifted up due to the influence of the elastic parts. In this process, the material strip 10 is stuck in the positioning grooves 901 and is driven to fit the upper surface of the lower mold 3 for stamping as the floating pins 9 are pressed down. Later, it will be lifted up as the floating pins 9 are lifted, thereby preventing the material strip 10 from being stuck to the lower mold 3 and unable to move due to stamping.

[0035] like Figure 7 As shown: the material strip 10 is made of stainless steel. The material strip 10 enters the forming mold through the feeder 2 for stamping. The material width of the material strip 10 is 120 mm, and the specific specifications of the material strip 10 are 120*0.35 mm.

[0036] like Figure 6 As shown: the embossing punching position 301 includes an embossing position and a punching position, a notch is provided on the embossing position, an embossing die 3014 is provided in the notch, the embossing die 3014 is fixed in the notch by bolts, at least two embossings 3011 are provided on the embossing die 3014, an elastic part is provided in the notch, an embossing ejector pin 3012 is provided above the elastic part, the embossing ejector pin 3012 extends from the through hole provided in the middle of the embossing die 3014, a punching hole 3013 is provided at the punching position, a punching needle 401 is provided at the position corresponding to the punching hole 3013 of the upper die 4, two embossing punching positions 301 are provided on the lower die 3, and the embossing positions and the punching positions on the two embossing punching positions 301 are arranged oppositely.

[0037] The cutting station 302 is provided with a plurality of cross-staggered cutting grooves, each of which has a cutting edge formed at its mouth. Fractures 3023 are provided on either side of the cutting edge around the outside of the cutting groove. A cutting die 3021 is movably mounted within the cutting groove. A top member is provided within the cutting groove, one end of which abuts the lower surface of the cutting die 3021, and the other end is connected to an elastic member. A top member 3022 is provided on the cutting station 302. The top member 3022 moves in the same manner as the blow plate 5, which will not be described in detail here. The cutting station 302 is provided with a movable groove, within which the top member 3022 moves and is connected to an elastic member. The fractures 3023 prevent the trouser clip formed after cutting from directly falling or shifting, thereby affecting overall production. The cutting die 3021 is fixed within the cutting groove by bolts. In this embodiment, all elastic members are springs. The upper mold 4 is provided with an upper cutting groove corresponding to the cutting die 3021.

[0038] The flanging outlet 303 is provided with a flanging groove, into which an ejector pin is connected via an elastic member. A flanging die 3031 is located within the flanging groove, and the ejector pin abuts the lower surface of the flanging die 3031. The flanging die 3031 is secured within the flanging groove via a locking module. A lower pressing pin 402 and a flanging hole are provided on the upper die 4 corresponding to the flanging die 3031. A clip is provided at one end of the flanging die 3031, and the locking module is used to abut the upper surface of the clip to limit the clip.

[0039] like Figure 2-3 As shown: a cutting block 403 is provided at the position corresponding to the cutting opening 304 of the upper mold 4, and a tool is provided in the cutting opening 304. The connection point formed by the trouser clip and the material belt can be cut off by pressing the cutting block 403. A guide needle 406 matching the positioning hole in the positioning position is also provided on the upper mold 4. The guide needle 406 is used to punch a positioning hole in the material belt.

[0040] like Figure 2-3 As shown: the lower mold 3 is provided with a plurality of lower guide holes 305 and a plurality of lower guide pillars 306, and the upper mold 4 is provided with upper guide pillars 404 corresponding to the lower guide holes 305 and upper guide holes 405 corresponding to the lower guide pillars 306. The cooperation between the guide holes and the guide pillars can improve the accuracy of each lower mold 3 and the upper mold 4, and prevent misalignment or offset.

[0041] The beneficial effects and working principles of this patent are as follows:

[0042] The trouser clip is fixed on the material strip 10 by the cutouts 3023 on both sides of the blade, and the connection points are connected to the material strip 10. Then, the connection points are cut off by the cutting openings 304 set around the flanging discharge position 303, so that the trouser clip is placed on the flanging discharge position 303, and the two sides of the trouser clip are flanging by the stamping of the lower mold 3 and the upper mold 4. Finally, the trouser clip located on the flanging discharge position 303 is blown out by the in-mold blowing component, thus completing the entire process of punching and forming the trouser clip. The width of the material strip 10 used in the above process is The length of the trouser clips is 120 mm, and when the material strip 10 enters the mold, a group of openings corresponding to the positioning positions will be punched out. The group of openings are punched out equidistantly along the horizontal direction of the material strip, and the pitch between adjacent groups of openings is 59.5 mm. After the trouser clips are punched out by using the above two data, the remaining waste will be greatly reduced, thereby saving more materials and solving the technical problem that the existing trouser clip molds generate a lot of waste after stamping; and, the mold is used to discharge the material by using an in-mold blowing component, specifically by movably setting a blow plate on the lower mold and opening at least two blow holes on the blow plate, the blow plate is connected to an external cylinder, and the external cylinder is used to make the air flow pass through the blow plate and blow out at the blow holes on the blow plate to realize blowing discharge. The above method solves the technical problem that the existing trouser clip molds are inconvenient to discharge the material, resulting in low work efficiency, time-consuming and labor-intensive.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An automatic die for producing four trouser clips in one piece, comprising a punching device (1), a feeder (2) and a forming die, wherein the punching device (1) comprises an operating table and a punching part located above the operating table, the feeder (2) is arranged on one side of the operating table, and the forming die comprises a lower die (3) fixed on the operating table and an upper die (4) mounted on the punching part, characterized in that: The lower mold (3) is provided with an embossing punching position (301), a cutting position (302), and a flanging discharge position (303) in sequence; a cutting opening (304) is provided on the flanging discharge position (303); and an in-mold blowing component is provided in the flanging discharge position (303).

2. The automatic mold for producing trouser clips with four parts in one mold according to claim 1, characterized in that: The in-mold blowing assembly includes a blowing plate (5), the blowing plate (5) is movable in the lower mold (3) through an elastic member, at least two blowing holes (501) are provided on one side of the blowing plate (5), the blowing holes (501) correspond to the flanging discharge position (303), a chamber connected to the blowing holes (501) is provided in the blowing plate (5), and the chamber is connected to an external cylinder arranged on the stamping equipment (1) through an air pipe.

3. The automatic mold for producing trouser clips with one out of four according to claim 1, characterized in that: The lower mold (3) is provided with a plurality of positioning positions arranged in the horizontal direction of the lower mold, wherein the positioning positions include a first positioning hole (6) located above the lower mold (3), a second positioning hole (7) located in the middle of the lower mold (3), and a third positioning hole (8) located below the lower mold (3), and the pitch between adjacent positioning positions is 59.5 mm.

4. The automatic mold for producing trouser clips with one out of four according to claim 1, characterized in that: The lower mold (3) is provided with a plurality of floating pins (9), the floating pins (9) are movable on the lower mold (3) through elastic members, and the floating pins (9) are provided with positioning grooves (901) for clamping the material belt (10).

5. The automatic mold for producing trouser clips with four parts in one mold according to claim 4, characterized in that: The material strip (10) is made of stainless steel. The material strip (10) enters the forming die through a feeder (2) for stamping. The material width of the material strip (10) is 120 mm.

6. The automatic mold for producing trouser clips with one out of four according to claim 1, characterized in that: The embossing and punching position (301) comprises an embossing position and a punching position, a notch is provided on the embossing position, an embossing die (3014) is provided in the notch, at least two embossings (3011) are provided on the embossing die (3014), an elastic member is provided in the notch, an embossing ejector pin (3012) is provided above the elastic member, the embossing ejector pin (3012) extends from a through hole provided in the middle of the embossing die (3014), a punching hole (3013) is provided at the punching position, a punching needle (401) is provided at a position corresponding to the punching hole (3013) on the upper die (4), two embossing and punching positions (301) are provided on the lower die (3), and the embossing positions and punching positions on the two embossing and punching positions (301) are arranged oppositely.

7. The automatic mold for producing trouser clips with one out of four according to claim 6, characterized in that: The cutting position (302) is provided with a plurality of cross-staggered cutting grooves, a knife edge is formed at the notch of the cutting groove, and fractures (3023) are provided on both sides of the knife edge around the cutting groove. A cutting die (3021) is movably provided in the cutting groove, and a top piece is provided in the cutting groove, one end of the top piece is in contact with the lower bottom surface of the cutting die (3021), and the other end is connected to an elastic piece. A top piece (3022) is provided on the cutting position (302), and a movable groove is provided on the cutting position (302). The top piece (3022) is movable in the movable groove and is connected to an elastic piece.

8. The automatic mold for producing trouser clips with one out of four according to claim 7, characterized in that: A flanging groove is provided on the flanging discharge position (303), a thimble is connected to the flanging groove via an elastic member, a flanging mold (3031) is provided in the flanging groove, the thimble and the lower bottom surface of the flanging mold (3031) are in contact with each other, the flanging mold (3031) is fixed in the flanging groove via a locking module, and a lower pressing needle (402) and a flanging hole are provided on the upper mold (4) corresponding to the flanging mold (3031).

9. The automatic mold for producing trouser clips with one out of four according to claim 3, characterized in that: The upper mold (4) is provided with a cutting block (403) at a position corresponding to the cutting opening (304), and the upper mold (4) is also provided with a guide needle (406) that matches the positioning hole in the positioning position.

10. The automatic mold for producing trouser clips with four inserts per mold according to any one of claims 1 to 9, characterized in that: The lower mold (3) is provided with a plurality of lower guide holes (305) and a plurality of lower guide pillars (306), and the upper mold (4) is provided with upper guide pillars (404) corresponding to the lower guide holes (305) and upper guide holes (405) corresponding to the lower guide pillars (306).

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