CN219274203U

CN219274203U - Threshold stamping die

Info

Publication number: CN219274203U
Application number: CN202320000084.3U
Authority: CN
Inventors: 吴志强; 陈岳俊
Original assignee: Guangdong Fuwa Equipment Manufacturing Co Ltd
Current assignee: Guangdong Fuwa Equipment Manufacturing Co Ltd
Priority date: 2023-01-01
Filing date: 2023-01-01
Publication date: 2023-06-30
Anticipated expiration: 2033-01-01

Abstract

The utility model discloses a threshold stamping die, which comprises an upper die and a lower die; the upper die comprises an upper die seat, a fixed plate, a first punch, a second punch and a pressing plate, wherein the fixed plate is fixed on the bottom surface of the upper die seat; the lower die is located the below of last mould, it includes die holder and lower bolster, the lower bolster is fixed in the top surface of die holder, the one end of the top surface of lower bolster forms a die closing face for the other end downward sloping, the die closing face is equipped with the die that corresponds with first drift and has seted up the slide hole that corresponds with the second drift downwards, sliding fit has the buoyancy lift piece in the slide hole, buoyancy lift piece can slide from top to bottom and be fixed with the die cutting mould, when the breach of punching press processing threshold, place the threshold on the die closing face for the threshold slope an angle, thereby unify the incision orientation of two breachs of threshold, realize ordinary cold stamping processing, can not need adopt CNC processing, not only improve production efficiency and reduce cost.

Description

Threshold stamping die

Technical Field

The utility model relates to the technical field of container accessory stamping, in particular to a threshold stamping die.

Background

The container threshold is the aluminium alloy, it needs two breachs of processing for the aluminium alloy molding reason for wait to process the position and be sheltered from, and have the incision of a breach to have two orientations, cause the processing degree of difficulty to increase, make it be difficult to adopt ordinary punching press processing, so, two breachs of current container threshold usually adopt CNC machine processing, during the processing, clamping work piece earlier, then carry out breach processing, pull down the work piece after the breach processing is accomplished, then another work piece of clamping again, namely each work piece need clamping-processing-dismantlement when using CNC processing, result in machining efficiency low, and the cutter cost of labor is high.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a threshold stamping die which unifies the notch orientation of a threshold notch by arranging an inclined die-locking surface, and the threshold stamping die realizes the common cold stamping processing of a threshold.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the threshold stamping die comprises an upper die and a lower die;

the upper die comprises an upper die base, a fixed plate, a first punch, a second punch and a material pressing plate, wherein the fixed plate is fixed on the bottom surface of the upper die base, and the first punch, the second punch and the material pressing plate are fixed on the fixed plate;

the lower die is located below the upper die and comprises a lower die holder and a lower die plate, the lower die plate is fixed on the top surface of the lower die holder, one end of the top surface of the lower die plate is inclined downwards relative to the other end to form a die closing surface, the die closing surface is provided with a female die corresponding to the first punch and is provided with a sliding hole corresponding to the second punch downwards, a floating block is slidably matched in the sliding hole, and the floating block can slide up and down and is fixed with a punching die.

Further, the die-bonding surface comprises an upper inclined surface and a lower inclined surface which is close to the lower die holder relative to the upper inclined surface, and the lower inclined surface is upwards offset relative to the upper inclined surface.

Further, the end surfaces of the two ends of the buoyancy lifting block are respectively provided with a punching die, and the punching dies extend along the length direction of the threshold punching die.

Further, a fixing hole is formed in the end face of the floating block, the fixing hole penetrates through the floating block along the length direction of the threshold stamping die, and the punching die is tightly matched in the fixing hole and two ends of the punching die extend out of two end faces of the floating block respectively.

Further, the inclination angle of the die-closing surface is 35 ℃.

Further, a pushing hole is formed in the bottom surface of the lower die holder, corresponding to the lifting block, a positioning column, a material pushing plate and a lower spring located below the material pushing plate are arranged in the pushing hole, the material pushing plate and the lower spring are sleeved on the positioning column, the lower spring abuts against the material pushing plate, and the lifting block stretches into the pushing hole and abuts against the material pushing plate.

Further, the two pressing plates are respectively located at two sides of the second punch along the width direction of the threshold stamping die and are connected with the fixing plate in a vertical sliding mode through bolts, and an upper spring is connected between the pressing plates and the fixing plate.

Further, two the lateral wall that is close to the second drift inwards concave establishes and forms a recess, two the recess with second drift sliding fit, the lower extreme of second drift downwards passes two the recess just is higher than two the bottom surface of pressure flitch.

Further, the die further comprises an upper base plate fixed on the bottom surface of the upper die holder, the fixing plate is fixed on the bottom surface of the upper base plate, the first punch is located on one side of the pressing plate along the length direction of the threshold stamping die and higher than the pressing plate, and lower pad feet are respectively fixed at two ends of the bottom surface of the lower die holder.

According to the threshold stamping die disclosed by the utility model, the downward inclined die clamping surface is arranged on the top surface of the lower die plate, the die clamping surface is provided with the female die corresponding to the first punch and the sliding hole corresponding to the second punch is formed downwards, the floating block is slidably matched in the sliding hole and can slide up and down, and the punching die is fixed, when the notch of the threshold is stamped, the threshold is placed on the die clamping surface, so that the threshold is inclined by an angle, the notch orientations of the two notches of the threshold are unified, the ordinary cold stamping is realized, CNC (computer numerical control) processing is not needed, the production efficiency is improved, and the cost is reduced. The threshold stamping die has the characteristic of simple structure.

Drawings

FIG. 1 is a partial exploded perspective view of a threshold stamping die of the present utility model;

FIG. 2 is a diagram of the mold clamping state of FIG. 1;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 3;

fig. 5 is a sectional view in the direction B-B of fig. 3.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description:

as shown in fig. 1 to 5, the present utility model provides a threshold stamping die for stamping a notch of a container threshold 100, wherein the threshold 100 is an aluminum profile. The threshold stamping die comprises an upper die 1 and a lower die 2, and the lower die 2 is located below the upper die 1.

As shown in fig. 1 and 2, the upper die 1 includes an upper die holder 11, a fixing plate 12, a first punch 13, a second punch 14, and a pressing plate 15, the fixing plate 12 is fixed to the bottom surface of the upper die holder 11 by screws or bolts, and the first punch 13, the second punch 14, and the pressing plate 15 are fixed to the fixing plate 12 by screws or bolts. As shown in fig. 4 and 5, the first punch 13 is used for punching the first notch 101 of the threshold 100, the first punch 13 is located at one side of the blank holder 15 along the length direction of the threshold punching die and higher than the blank holder 15 (as shown in fig. 3), the second punch 14 is used for punching the second notch 102 of the threshold 100, and the second notch 102 is close to the middle of the threshold 100 with respect to the first notch 101 and faces the same as the notch of the first notch 101. The pressing plates 15 are used for pressing the threshold 100 during punching, the pressing plates 15 are two, the two pressing plates 15 are respectively located at two sides of the second punch 14 along the width direction of the threshold punching die to press the threshold 100 at two sides of the second punch 14 and are connected with the fixing plate 12 in a vertically sliding manner through bolts, an upper spring 16 is connected between the pressing plates 15 and the fixing plate 12, the upper spring 16 is used for automatically resetting the pressing plates 15, specifically, an upper spring hole (not numbered) penetrating through the fixing plate 12 is formed in the bottom surface of the fixing plate 12 corresponding to each pressing plate 15, an upper spring 16 is arranged in each upper spring hole, and the bottom end of each upper spring 16 abuts against the top surface of the pressing plate 15. As shown in fig. 2 and 3, the two pressing plates 15 are concavely arranged near the outer side wall of the second punch 14 to form a guiding groove 151, and the two grooves 151 are slidably matched with the second punch 14, so that the two pressing plates 15 slide up and down under the guiding of the second punch 14, and the lower end of the second punch 14 passes through the two grooves 151 downwards and is higher than the bottom surfaces of the two pressing plates 15, thereby realizing the purpose of pressing and punching. As shown in fig. 3 and 4, the upper die 1 further includes an upper pad 17 fixed to the bottom surface of the upper die holder 11 by a screw or a bolt, and the fixing plate 12 is fixed to the bottom surface of the upper pad 17 by a bolt.

As shown in fig. 1 and 2, the lower die 2 includes a lower die holder 21 and a lower die plate 22, the lower die plate 22 is fixed on the top surface of the lower die holder 21 by a screw or a bolt, one end of the top surface of the lower die plate 22 is inclined downward relative to the other end to form a die-combining surface 221, and in this embodiment, the inclination angle of the die-combining surface 221 is 35 ℃. As shown in fig. 4 and 5, the die-closing surface 221 is provided with a female die 222 corresponding to the first punch 13 and a sliding hole 223 corresponding to the second punch 14 is opened downwards, the sliding hole 223 is slidably matched with a floating block 224, the floating block 224 can slide up and down and is fixed with a punching die 225, the punching die 225 is inserted into the inner cavity 103 in the middle of the threshold 100 corresponding to the second notch 102 during punching to punch the second notch 102 from inside to outside in the up-down direction, the punching die 225 moves downwards under the driving of the floating block 224 to punch the second notch 102, and the punching die 225 resets when moving upwards under the driving of the floating block 224. When the notch of the threshold 100 is punched, the threshold 100 is placed on the die-locking surface 221, so that the threshold 100 is inclined by an angle, the notch orientations of the two notches of the threshold 100 are unified, the common cold punching is realized, CNC processing is not needed, the production efficiency is improved, and the cost is reduced. In addition, the doorsill 100 is simple to clamp, and production efficiency is further improved.

As shown in fig. 1 and 4, the die-bonding surface 221 includes an upper inclined surface 2211 and a lower inclined surface 2212 which is close to the lower die holder 21 with respect to the upper inclined surface 2211, and the lower inclined surface 2212 is offset upward with respect to the upper inclined surface 2211, and the upper inclined surface 2211 and the lower inclined surface 2212 are designed so as to provide support to the rocker 100 according to the shape of the rocker 100. In this embodiment, for convenience of processing, a module 220 is fixed to one end of the top surface of the lower die plate 22, the module 220 is provided with a female die 222, and one end of the top surface of the module near the lower inclined surface 2212 extends downward to form an upper inclined surface 2211, and the other end of the top surface of the lower die plate 22 extends downward to form a lower inclined surface 2212.

As shown in fig. 3 and 5, in order to further improve the production efficiency, end surfaces at two ends of the lifting block 224 are respectively provided with a punching die 225, the punching die 225 extends along the length direction of the threshold stamping die, specifically, an end surface of the lifting block 224 is provided with a fixing hole 2241, the fixing hole 2241 penetrates through the lifting block 224 along the length direction of the threshold 100 stamping die, the punching die 225 is tightly fitted in the fixing hole 2241 and is fixed with the lifting block 224 through pins (not numbered), two ends of the punching die 225 extend out of two end surfaces of the lifting block 224 respectively, so that two ends of the punching die 225 respectively form a punching head, and when in punching processing, each punching head can be inserted into one threshold 100 (as shown in fig. 4), so that two thresholds 100 can be processed simultaneously.

As shown in fig. 5, a pushing hole 211 is provided on the bottom surface of the lower die holder 21 corresponding to the lifting block 224, a positioning column 23, a lifting plate 24 and a lower spring 25 positioned below the lifting plate 24 are provided in the pushing hole 211, the positioning column 23 is a bolt, the upper end of the bolt is in threaded connection with the lower die holder 21, a sleeve (not numbered) is sleeved at the lower end, the lifting plate 24 and the lower spring 25 are sleeved on the sleeve of the positioning column 23, the lower spring 25 abuts against the lifting plate 24 to reset the lifting plate 24, the lifting block 224 extends into the pushing hole 211 and abuts against the lifting plate 24, i.e. the lower spring 25 resets the lifting block 224 through the lifting plate 24. More specifically, a lower pad 26 is fixed to each of both ends of the bottom surface of the lower die holder 21.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments or equivalents may be substituted for some of the technical features thereof, and these modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model in essence.

Claims

1. The threshold stamping die is characterized by comprising an upper die and a lower die;

2. The threshold stamping die of claim 1, wherein the die engagement surface comprises an upper inclined surface and a lower inclined surface adjacent the lower die base relative to the upper inclined surface, the lower inclined surface being upwardly offset relative to the upper inclined surface.

3. The threshold stamping die of claim 1, wherein the two end surfaces of the lifting block are respectively provided with a punching die, and the punching die extends along the length direction of the threshold stamping die.

4. The threshold stamping die of claim 1, wherein a fixing hole is formed in an end face of the floating block, the fixing hole penetrates through the floating block along a length direction of the threshold stamping die, and the punching die is tightly matched in the fixing hole and two ends of the punching die extend out of two end faces of the floating block respectively.

5. A threshold stamping die as defined in claim 1, wherein the angle of inclination of the die-bonding surface is 35 ℃.

6. The threshold stamping die of claim 1, wherein a pushing hole is formed in the bottom surface of the lower die holder corresponding to the lifting block, a positioning column, a material pushing plate and a lower spring located below the material pushing plate are arranged in the pushing hole, the material pushing plate and the lower spring are sleeved on the positioning column, the lower spring abuts against the material pushing plate, and the lifting block extends into the pushing hole and abuts against the material pushing plate.

7. The threshold stamping die of claim 1, wherein the number of the pressing plates is two, the two pressing plates are respectively located at two sides of the second punch along the width direction of the threshold stamping die and are connected with the fixing plate in a manner of sliding up and down through bolts, and an upper spring is connected between the pressing plates and the fixing plate.

8. The threshold stamping die of claim 7, wherein two of the pressing plates are recessed inward near the outer side walls of the second punch to form a groove, the two grooves are slidably engaged with the second punch, and the lower end of the second punch passes through the two grooves downward and is higher than the bottom surfaces of the two pressing plates.

9. The threshold stamping die of claim 1, further comprising an upper pad fixed on the bottom surface of the upper die holder, wherein the fixing plate is fixed on the bottom surface of the upper pad, the first punch is located at one side of the pressing plate along the length direction of the threshold stamping die and higher than the pressing plate, and lower pad feet are respectively fixed at two ends of the bottom surface of the lower die holder.