CN216632114U

CN216632114U - One-time forming die for aviation box

Info

Publication number: CN216632114U
Application number: CN202123453491.XU
Authority: CN
Inventors: 王克文; 张一帆; 张迎年
Original assignee: ANHUI LIYUAN NUMERICAL CONTROL CUTTING TOOL AND PATTERNS MANUFACTURING CO LTD
Current assignee: ANHUI LIYUAN NUMERICAL CONTROL CUTTING TOOL AND PATTERNS MANUFACTURING CO LTD
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-31
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a one-time forming die for an aviation box, and belongs to the technical field of bending dies. The stamping die comprises an upper die and a lower die which are matched for use, wherein the upper die comprises an upper die body, the bottom of the upper die body is provided with a stamping part, and the bottom of the stamping part is of a planar structure; the lower mould includes the lower mould body, and the activity chamber has been seted up at the top of lower mould body, installs the liftout piece in the activity intracavity, and the bottom of liftout piece links to each other with the jacking module, and the liftout piece reciprocates along the direction of height under the concertina action of jacking module, and the groove of dodging has still been seted up to the top both sides of lower mould body, and the groove symmetric distribution of dodging of both sides is in the two outsides in activity chamber. Aiming at the technical problems in the prior art, the utility model aims to provide the one-time forming die for the aviation case, which can be used for bending the aviation case structure surrounded by four sides at one time, effectively improving the bending precision, and being convenient to operate and high in production efficiency.

Description

One-time forming die for aviation box

Technical Field

The utility model relates to the technical field of bending dies, in particular to a one-step forming die for an aviation box.

Background

The bending die is used for bending a plate workpiece into a preset shape on a bending machine. The bending die is various and suitable for products with various bending shapes, even if the bending die is different for the products with the same bending shape, the bending die is also different, and the die for the products with the same bending shape is continuously improved in consideration of multiple aspects such as bending efficiency, bending quality and the like.

As shown in FIG. 6, the workpiece of the aviation box body structure surrounded by four sides is bent by a common die, and the forming precision of the corners of the workpiece cannot be controlled during bending, so that the product structure is large in deformation and low in quality, or the workpiece is difficult to form at one time, needs to be continuously repaired and adjusted at the later stage, and is time-consuming and labor-consuming. Therefore, the one-time forming die for the aviation case is urgently needed to be designed, the bending precision can be effectively improved, the operation is convenient, and the production efficiency is higher.

Through retrieval, a large number of patents have been published on forming dies of box structures, such as chinese patent application No.: 2016110821348, the name of the utility model is: the application discloses a four-side-surrounded box body bending die and a using method thereof, belongs to the field of bending dies, and solves the problems of poor bending precision and high labor intensity in the bending forming process of a specific structure in the prior art. The die comprises an upper die, wherein the upper die comprises an upper die base, an upper die cutter, a rotary cutter holder and a rotary cutter; the upper die cutter is fixedly arranged on one side of the upper die base; the lower end of the upper die cutter is provided with a rotating cavity; the rotary tool apron is fixed on the outer side of the upper die cutter, and one end of the rotary tool apron extends out of the rotary cavity; the rotary knife is arranged in the rotary cavity and can be rotationally and fixedly arranged on the rotary knife holder. The mould can effectively improve the bending precision and improve the convenience of operation, thereby improving the production efficiency; the method can further improve the processing efficiency and the processing quality.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Aiming at the technical problems in the prior art, the utility model aims to provide the one-time forming die for the aviation case, which can be used for bending the aviation case structure surrounded by four sides at one time, effectively improving the bending precision, and being convenient to operate and high in production efficiency.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the one-time forming die for the aviation box comprises an upper die and a lower die which are matched for use, wherein the upper die comprises an upper die body, the bottom of the upper die body is provided with a stamping part, and the bottom of the stamping part is of a planar structure; the lower mould includes the lower mould body, and the activity chamber has been seted up at the top of lower mould body, installs the liftout piece in the activity intracavity, and the bottom of liftout piece links to each other with the jacking module, and the liftout piece reciprocates along the direction of height under the concertina action of jacking module, and the groove of dodging has still been seted up to the top both sides of lower mould body, and the groove symmetric distribution of dodging of both sides is in the two outsides in activity chamber.

As a further improvement of the present invention, the longitudinal section of the punch part is gradually increased from top to bottom in the height direction.

As a further improvement of the present invention, an included angle between a side wall of the stamping part and a horizontal plane is α, and a range of α is 100 ° to 120 °.

As a further improvement of the utility model, the jacking module comprises a vertically extending return spring connected with the bottom of the jacking block, and the bottom of the return spring is connected with the lower die body.

As a further improvement of the utility model, the jacking module further comprises a connecting bolt connected with the bottom of the jacking block, the connecting bolt is positioned in a sleeve, and the sleeve is arranged on the lower die body.

As a further improvement of the utility model, a pair of return springs are symmetrically arranged on two sides of the sleeve respectively, and the ejection block drives the connecting bolt to move up and down in the sleeve under the elastic force of the return springs.

As a further improvement of the utility model, the sleeves are a pair and are respectively and symmetrically distributed on two sides of the bottom of the ejector block.

As a further improvement of the utility model, both sides of the top of the lower die body are symmetrically provided with limiting parts, each limiting part comprises a fixing part connected with the lower die body, the top of each fixing part is provided with a limiting part inwards relatively, each limiting part comprises an upper horizontal section extending horizontally inwards, the inner side of each upper horizontal section is provided with a limiting section vertically extending downwards, the bottom of each limiting section is provided with a lower horizontal section horizontally extending outwards relatively, and the end part of each lower horizontal section is provided with an arc avoiding section connected with the fixing parts.

As a further improvement of the present invention, the limiting members are symmetrically distributed at the outer side of the avoiding groove.

As a further improvement of the utility model, the top of the lower die body is provided with an installation groove corresponding to the fixing part, and the fixing part is fixed in the installation groove through a fastening nut.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) according to the one-time forming die for the aviation case, the horn-mouth-shaped stamping part is arranged at the bottom of the upper die body, the bottom of the stamping part is of a planar structure and is used for extrusion forming of the rectangular groove structure in a workpiece, and the longitudinal section of the stamping part is gradually increased from top to bottom along the height direction, so that the one-time forming of the case structure is facilitated, and demolding is facilitated after the processing is completed.

(2) According to the one-time forming die for the aviation box, the material ejecting block moves up and down along the height direction under the telescopic action of the jacking module, the jacking module can effectively ensure the stability of the machining process, and can also ensure that the material ejecting block jacks up a workpiece under the resilience force of the jacking module after machining is finished, so that the unloading and demolding are finished.

(3) According to the one-time forming die for the aviation box body, the avoidance grooves are further formed in the two sides of the top of the lower die body and are symmetrically distributed on the two outer sides of the movable cavity, the folding parts on the two sides of the plate blank are located in the avoidance grooves and are attached to the inner side walls, close to the movable cavity, of the avoidance grooves before machining, the plate blank can be effectively and fixedly supported, the problem of displacement and dislocation in the machining process is solved, an upward folding space can be reserved for the folding parts, and therefore the workpiece structure of the aviation box body can be formed at one time. The machining process of the four-side surrounding type workpiece is effectively simplified, the bending machining precision and quality can be guaranteed, and the production efficiency is improved.

(4) According to the one-step forming die for the aviation box, the two sides of the sleeve are respectively and symmetrically provided with the pair of return springs, the ejection block drives the connecting bolt to move up and down in the sleeve under the elastic force action of the return springs, and the connecting bolt and the sleeve are matched with each other, so that the structural strength of the integral die can be effectively improved, and the motion stability of the ejection block can be effectively improved.

Drawings

FIG. 1 is a schematic structural view of an aviation case of the present invention before a one-step forming mold is processed;

FIG. 2 is a schematic structural view of an aviation case after a one-step forming mold is machined;

FIG. 3 is a left side view of the upper mold of the present invention;

FIG. 4 is a schematic structural view of a front view of an upper mold in the present invention;

FIG. 5 is a schematic structural view of a lower mold of the present invention;

fig. 6 is a schematic view of the structure of a workpiece processed in the present invention.

The reference numbers in the schematic drawings illustrate:

100. an upper die; 110. go up the mould body: 111. a clamping part; 120. a punching part; 200. a lower die; 210. a lower die body; 220. A limiting member; 221. a fixed part; 222. an upper horizontal section; 223. a limiting section; 224. a lower horizontal section; 225. an arc avoidance section; 230. an avoidance groove; 240. a return spring; 250. a sleeve; 251. a connecting bolt; 260. a movable cavity; 270. a material ejection block; 280. a support portion; 300. a slab; 310. a folding part; 400. a workpiece; 410. and (4) an everting section.

Detailed Description

For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

With reference to fig. 1 to 5, the one-step forming die for an aviation case of the present invention is used for forming an aviation case structure surrounded on four sides at one time, and in this embodiment, the one-step forming die includes an upper die 100 and a lower die 200 that are used in cooperation with each other, the upper die 100 includes an upper die body 110, a bell-mouth-shaped stamping portion 120 is disposed at the bottom of the upper die body 110, and the bottom of the stamping portion 120 is a planar structure and is used for extruding a rectangular groove structure inside a workpiece 400. An angle between the side wall of the stamping part 120 and the horizontal plane is α, where α ranges from 100 ° to 120 °, and specifically, in this embodiment, the angle α between the side wall of the stamping part 120 and the horizontal plane is 100 °.

Lower mould 200 includes lower mould body 210 in this embodiment, activity chamber 260 has been seted up at lower mould body 210's top, install ejector block 270 in the activity chamber 260, ejector block 270's bottom links to each other with the jacking module, and ejector block 270 reciprocates along the direction of height under the concertina action of jacking module, the stability of course of working not only can effectively be guaranteed to the jacking module, can also guarantee that ejector block 270 makes progress jack-up work piece 400 under the resilience effect of jacking module after processing is accomplished, the drawing of patterns of unloading is accomplished. As shown in fig. 1, the slab 300 with two bent sides is placed on the top of the lower die body 210, the ejector block 270 is supported on the bottom of the slab 300, and the stamping part 120 is driven by the bending machine to press the slab 300 downwards and press the slab 300 into the movable cavity 260. Wherein dodging groove 230 has still been seted up to the top both sides of lower mould body 210, the groove 230 symmetric distribution that dodges of both sides is in the two outsides in activity chamber 260, before the processing, the folded portion 310 of slab 300 both sides is located dodges the groove 230, and laminate mutually with the inboard wall that dodges groove 230 and be close to activity chamber 260, not only can effectively carry out the fixed stay to slab 300, prevent the problem of aversion dislocation from appearing in the course of working, can also reserve the space of turning over a book upwards for folded portion 310, thereby can once only become the work piece 400 structure of the aviation box that shows in figure 6. The machining process of the four-side surrounding type workpiece is effectively simplified, the bending machining precision and quality can be guaranteed, and the production efficiency is improved.

Jacking module in this embodiment includes the reset spring 240 that is continuous with jacking piece 270 bottom vertical extension, and reset spring 240's bottom links to each other with lower mould body 210, and jacking piece 270 reciprocates under reset spring 240's resilience effect. The jacking module further comprises a connecting bolt 251 connected with the bottom of the jacking block 270, the connecting bolt 251 is positioned in a sleeve 250, and the sleeve 250 is mounted on the lower die body 210. Specifically, in this embodiment, a groove is formed in a position of the lower die body 210 corresponding to the sleeve 250, the sleeve 250 is installed in the groove, the top of the sleeve 250 is provided with a connecting bolt 251 connected with the bottom of the ejector block 270, and the connecting bolt 251 is driven by the ejector block 270 to move up and down in the sleeve 250.

The both sides of sleeve 250 are equipped with a pair of reset spring 240 respectively to the symmetry in this embodiment, and liftout piece 270 drives connecting bolt 251 under reset spring 240's spring action and reciprocates in sleeve 250, and connecting bolt 251 and sleeve 250 mutually support, not only can effectively improve the structural strength of whole mould, can also effectively improve the stability of liftout piece 270 motion. The pair of sleeves 250 are symmetrically distributed on two sides of the bottom of the ejector block 270, so that sufficient power is provided for the ejector block 270 to support the ejector block to discharge and demould.

As shown in fig. 5, the limiting members 220 are symmetrically disposed on two sides of the top of the lower die body 210 in this embodiment, and the limiting members 220 can not only effectively prevent the outward turning section 410 of the workpiece 400 from continuously moving upward during the processing, but also prevent the workpiece 400 from popping out once during the demolding, thereby effectively protecting the workpiece 400 from being damaged. The limiting part 220 includes a fixing part 221 connected to the lower die body 210, the top of the fixing part 221 is provided with a limiting part relatively inward, the limiting part includes an upper horizontal segment 222 extending horizontally inward, the inner side of the upper horizontal segment 222 extends vertically downward to be provided with a limiting segment 223, the bottom of the limiting segment 223 extends horizontally outward relatively to be provided with a lower horizontal segment 224, and the end of the lower horizontal segment 224 is provided with an arc avoiding segment 225 connected to the fixing part 221. The limiting members 220 are symmetrically distributed at the outer side of the avoiding groove 230. Wherein, the top of the lower die body 210 is provided with a mounting groove corresponding to the fixing part 221, and the fixing part 221 is fixed in the mounting groove by a fastening nut. A supporting part 280 is further arranged between the movable cavity 260 and the avoiding groove 230 and is used for supporting the lower parts of the folding parts 310 at the two sides of the plate blank 300, so that the processing stability and the bending quality are effectively ensured.

Example 2

The basic structure of the one-time forming die for the aviation case of the present invention is consistent with that of embodiment 1, except that an angle α between a side wall of the stamping part 120 and a horizontal plane is 120 °.

Example 3

The basic structure of the one-time forming die for the aviation case of the present invention is consistent with that of embodiment 1, except that an angle α between a side wall of the stamping part 120 and a horizontal plane is 110 °.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, without departing from the spirit of the present invention, a person of ordinary skill in the art should understand that the present invention shall not be limited to the embodiments and the similar structural modes without creative design.

Claims

1. The utility model provides a disposable forming die of aviation box, includes mould (100) and lower mould (200) of cooperation use, its characterized in that: the upper die (100) comprises an upper die body (110), a stamping part (120) is arranged at the bottom of the upper die body (110), and the bottom of the stamping part (120) is of a plane structure; lower mould (200) are including lower mould body (210), activity chamber (260) have been seted up at the top of lower mould body (210), install ejector block (270) in activity chamber (260), the bottom and the jacking module of ejector block (270) link to each other, and ejector block (270) reciprocate along the direction of height under the telescopic action of jacking module, the top both sides of lower mould body (210) have still been seted up and have been dodged groove (230), the groove (230) symmetric distribution that dodge of both sides is in two outsides of activity chamber (260).

2. The one-time forming die for the aviation case according to claim 1, wherein: the longitudinal section of the punching part (120) is gradually increased from top to bottom along the height direction.

3. The one-time forming die for the aviation case according to claim 2, wherein: an included angle between the side wall of the stamping part (120) and a horizontal plane is alpha, and the range of alpha is 100-120 degrees.

4. A disposable forming die for an aviation case according to any one of claims 1 to 3, wherein: the jacking module comprises a vertically extending return spring (240) connected with the bottom of the jacking block (270), and the bottom of the return spring (240) is connected with the lower die body (210).

5. The one-time forming die for the aviation case as claimed in claim 4, wherein: the jacking module further comprises a connecting bolt (251) connected with the bottom of the jacking block (270), the connecting bolt (251) is located in the sleeve (250), and the sleeve (250) is installed on the lower die body (210).

6. The one-time forming die for the aviation case as claimed in claim 5, wherein: a pair of return springs (240) is symmetrically arranged on two sides of the sleeve (250), and the ejection block (270) drives the connecting bolt (251) to move up and down in the sleeve (250) under the elastic force action of the return springs (240).

7. The one-time forming die for the aviation case as claimed in claim 6, wherein: the sleeves (250) are in a pair and are respectively and symmetrically distributed on two sides of the bottom of the material pushing block (270).

8. The one-time forming die for the aviation case according to claim 7, wherein: the top both sides of lower mould body (210) still the symmetry be equipped with locating part (220), locating part (220) include fixed part (221) that link to each other with lower mould body (210), the top of fixed part (221) is provided with spacing portion inwards relatively, spacing portion is including the inside last horizontal segment (222) that extends of level, the inboard vertical extension of going up horizontal segment (222) is provided with spacing section (223), the outside horizontal extension relatively in bottom of spacing section (223) is provided with lower horizontal segment (224), the tip of lower horizontal segment (224) is provided with circular arc dodge section (225) that fixed part (221) link to each other.

9. The one-time forming die for the aviation case according to claim 8, wherein: the limiting pieces (220) are symmetrically distributed on the outer side of the avoiding groove (230).

10. The one-time forming die for the aviation case according to claim 9, wherein: the top of the lower die body (210) is provided with a mounting groove corresponding to the fixing part (221), and the fixing part (221) is fixed in the mounting groove through a fastening nut.