CN221086915U - Die structure for automobile stamping part - Google Patents

Abstract

The utility model relates to the technical field of stamping dies, in particular to a die structure for an automobile stamping part, which comprises a base and a top plate, wherein the base is connected with the top plate through a supporting column, a detachable lower die is arranged on the base, a liftable pressing plate is arranged above the lower die, a detachable upper die is arranged on the pressing plate, and a hydraulic cylinder for driving the pressing plate to lift is arranged on the top plate; the middle part department of clamp plate is equipped with the jack, and the cover is equipped with the locking piece in the top department of the last face of clamp plate and being located the jack, the last side of going up the mould is equipped with the installed part that stretches into in the jack, and the installed part cooperatees with the locking piece and realizes the detachable setting of last mould on the clamp plate. According to the utility model, through the arrangement of the insertion holes, the mounting pieces and the locking pieces are matched to quickly realize the disassembly and assembly of the upper die on the pressing plate, and compared with the existing bolt mounting mode, the die structure can quickly replace the upper die, and is simple and convenient to operate.

Description

Die structure for automobile stamping part

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a die structure for an automobile stamping part.

Background

In the manufacturing process of automobile stamping parts, stamping dies are mostly adopted for stamping, the existing stamping dies generally comprise an upper die, a lower die, a mounting seat for mounting the upper die and the lower die and other structures, when the automobile stamping parts are in actual use, the upper die and the lower die need to be replaced frequently for stamping different stamping parts, however, the existing upper die and the lower die are mostly mounted by bolts, so that the bolts need to be screwed for many times when the dies are replaced, and the replacement of the dies is inconvenient.

For example, in CN214078840U, the punch is fixedly mounted on a side of the lifter plate facing the bottom plate through a bolt, and the punch adopts a mounting manner of the bolt, so that the bolt needs to be screwed for multiple times when the punch is replaced, and replacement of the punch is inconvenient.

Disclosure of utility model

In order to solve the technical problems in the background art, the utility model provides a die structure for an automobile stamping part.

The utility model adopts the following technical scheme for realizing the purposes:

The die structure for the automobile stamping part comprises a base and a top plate, wherein the base is connected with the top plate through a supporting column, a detachable lower die is arranged on the base, a liftable pressing plate is arranged above the lower die, a detachable upper die is arranged on the pressing plate, and a hydraulic cylinder for driving the pressing plate to lift is arranged on the top plate;

the middle part department of clamp plate is equipped with the jack, and the cover is equipped with the locking piece in the top department of the last face of clamp plate and being located the jack, the last side of going up the mould is equipped with the installed part that stretches into in the jack, and the installed part cooperatees with the locking piece and realizes the detachable setting of last mould on the clamp plate.

Preferably, an annular groove is arranged on the side wall of the jack along the circumferential direction of the side wall;

the mounting piece comprises a fixed column, a groove is formed in the upper end face of the fixed column, sliding blocks are oppositely arranged in the groove, positioning rods which can extend out of the fixed column are arranged on the opposite side faces of the sliding blocks, first springs used for driving the sliding blocks to mutually approach are sleeved on the positioning rods in the groove, and first inclined planes are oppositely arranged on the opposite side faces of the sliding blocks;

The locking piece includes the locking section of thick bamboo, is equipped with the lifter that stretches into in the jack in the locking section of thick bamboo, and the lower tip of lifter is equipped with and corresponds first inclined plane matched with second inclined plane, the lifter stretches into in the recess and is used for driving second inclined plane extrusion first inclined plane and promotes the sliding block and keep away from each other, realizes that the locating lever inserts in the ring channel.

Preferably, the locking cylinder is internally provided with a mounting frame, the lifting rod penetrates through the mounting frame, a spring mounting ring is arranged on the lifting rod located above the mounting frame, a second spring used for driving the lifting rod to move upwards is sleeved on the lifting rod between the spring mounting ring and the mounting frame, the upper end of the locking cylinder is provided with a threaded cylinder part for the lifting rod to pass through, the upper end of the lifting rod is provided with a rotatable rotating column, and the rotating column is arranged at the threaded cylinder part and used for enabling the lifting rod to move downwards so that the positioning rod is inserted into the annular groove.

Preferably, a threaded column penetrating through the rotary column is arranged at the upper end of the lifting rod, and a nut used for limiting the rotary column is connected to the threaded column in a threaded manner.

Preferably, the lower end part of the locking cylinder extends outwards to form an installation part, and the installation part is fixedly installed on the pressing plate through a screw.

Preferably, the upper end face of the fixed column is provided with a blocking plate, and the blocking plate is provided with a protruding block which extends into the groove to limit the sliding block in a sliding way.

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

1. according to the utility model, through the arrangement of the insertion holes, the mounting pieces and the locking pieces are matched to quickly realize the disassembly and assembly of the upper die on the pressing plate, and compared with the existing bolt mounting mode, the die structure can quickly replace the upper die, and is simple and convenient to operate.

2. According to the utility model, the fixing column is stretched into the jack, the rotating column is pressed down and screwed to fix the rotating column on the threaded cylinder part, the lifting rod is driven to move down to enable the positioning rod to be inserted into the annular groove, the fixing of the fixing column in the jack, namely, the upper die is fixedly arranged on the pressing plate, and the upper die can be detached on the pressing plate by screwing the rotating column to enable the rotating column to be separated from the threaded cylinder part, so that the upper die is easy to replace.

Drawings

FIG. 1 is a schematic illustration of a die structure for an automotive stamping in accordance with the present utility model.

FIG. 2 is a schematic cross-sectional view of a die structure for an automotive stamping in accordance with the present utility model.

Fig. 3 is an enlarged view of fig. 2 at a in accordance with the present utility model.

Fig. 4 is a schematic view of the structure of the lifting rod in the present utility model.

Fig. 5 is a schematic structural view of the locking cylinder in the present utility model.

Fig. 6 is a schematic view of the upper die structure in the present utility model.

Reference numerals illustrate:

100. A base; 101. a support column; 110. a top plate; 120. a lower die; 130. a pressing plate; 140. a hydraulic cylinder; 150. an upper die; 311. a jack; 312. an annular groove; 320. fixing the column; 321. a groove; 322. a closure plate; 330. a sliding block; 331. a positioning rod; 332. a first inclined surface; 340. a first spring; 350. a locking cylinder; 351. a threaded cylinder portion; 360. a lifting rod; 361. a spring mounting ring; 370. a mounting frame; 380. a second spring; 390. a spin column; 411. a second inclined surface; 421. a threaded column; 440. a nut; 511. a mounting part; 611. and positioning holes.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

The present utility model is described in further detail below with reference to fig. 1-6.

The embodiment of the utility model discloses a die structure for an automobile stamping part.

As shown in fig. 1 and 2, the die structure for a stamping part of an automobile in this embodiment includes a base 100 and a top plate 110, wherein the base 100 and the top plate 110 are connected by a support column 101, a detachable lower die 120 is arranged on the base 100, a liftable pressing plate 130 is arranged above the lower die 120, a detachable upper die 150 is arranged on the pressing plate 130, and a hydraulic cylinder 140 for driving the pressing plate 130 to lift is arranged on the top plate 110;

the middle part department of clamp plate 130 is equipped with jack 311, and the cover is equipped with the locking piece in the top department of the upper plate face of clamp plate 130 and being located jack 311, the last side of upper mould 150 is equipped with the installed part that stretches into in the jack 311, and the installed part cooperates with the locking piece and realizes the detachable setting of upper mould 150 on clamp plate 130.

In this embodiment, the supporting columns 101 are disposed at four corners of the base 100 and are used for supporting the top plate 110, so that the pressing plate 130 and the hydraulic cylinder 140 are installed, in actual use, a punching groove is disposed on the upper side surface of the lower die 120, and a punching bump matched with the punching groove is disposed on the lower side surface of the upper die 150.

Wherein, the lower die 120 is fixedly mounted on the upper side of the base 100 by bolts, and with such a construction, the lower die 120 is preferably convenient to be disassembled and assembled on the base 100, i.e. the lower die 120 is easy to be replaced;

Wherein, through the cooperation setting of jack 311, locking piece and installed part for go up mould 150 can realize its dismouting on clamp plate 130 fast under the cooperation of locking piece and installed part, even if go up the change of mould 150, make its cooperation change lower mould 120, accomplish the stamping operation to different stamping workpiece.

As shown in fig. 3-6, in this embodiment, an annular groove 312 is formed on the sidewall of the insertion hole 311 along the circumferential direction thereof;

The mounting piece comprises a fixing post 320, a groove 321 is arranged on the upper end surface of the fixing post 320, a sliding block 330 is relatively arranged on the groove 321, a positioning rod 331 which can extend out of the fixing post 320 is arranged on the opposite side surface of the sliding block 330, a first spring 340 for driving the sliding blocks 330 to mutually approach is sleeved on the positioning rod 331 positioned in the groove 321, and a first inclined surface 332 is relatively arranged on the opposite side surface of the sliding block 330;

The locking piece comprises a locking barrel 350, a lifting rod 360 extending into the jack 311 is arranged in the locking barrel 350, a second inclined plane 411 matched with the corresponding first inclined plane 332 is arranged at the lower end part of the lifting rod 360, the lifting rod 360 extends into the groove 321 and is used for driving the second inclined plane 411 to extrude the first inclined plane 332 to push the sliding blocks 330 to be far away from each other, and the positioning rod 331 is inserted into the annular groove 312.

In practical use, the fixing post 320 is fixedly mounted at the center of the upper side of the upper die 150, wherein the upper end surface of the fixing post 320 is fixedly provided with the blocking plate 322 by a screw, the blocking plate 322 is provided with a protruding block extending into the groove 321 to limit the sliding block 330 in a sliding manner, and the sliding block 330, the positioning rod 331 and the first spring 340 are preferably convenient to mount in the groove 321 by the arrangement of the blocking plate 322 and the protruding block, and in an initial state, the first spring 340 pushes the corresponding sliding block 330 to move into the groove 321, namely, drives the two sliding blocks 330 to be close to each other and fit, at this time, the positioning rod 331 is in a state of retracting into the groove 321, namely, the fixing post 320 can extend into the jack 311; wherein, the position of the annular groove 312 corresponds to the position of the positioning rod 331 extending into the jack 311;

In this embodiment, a cavity with an opening at the lower end is disposed in the locking cylinder 350, the opening at the lower end of the locking cylinder 350 extends outwards to form an installation part 511, the installation part 511 is fixedly installed on the pressing plate 130 by a screw, and by using this structure, it is preferable to realize that the locking cylinder 350 is covered above the jack 311, so that the lifting rod 360 therein can extend into the jack 311;

Through the arrangement of the first inclined plane 332, the second inclined plane 411 and the annular groove 312, when the fixed column 320 extends into the jack 311, the lifting rod 360 in the locking cylinder 350 is driven to move downwards, so that the lifting rod penetrates through the blocking plate 322 and extends into the groove 321, the second inclined plane 411 on the lifting rod extends to press the first inclined plane 332, the two sliding blocks 330 are driven to be away from each other, the positioning rod 331 extends out of the fixed column 320 and is inserted into the annular groove 312, and therefore the fixed column 320 is installed in the jack 311, namely the upper die 150 is installed on the pressing plate 130; when the lifting rod 360 is driven to move upwards, so that the lower end of the lifting rod is separated from the groove 321, the positioning rod 331 automatically retracts into the groove 321 under the action of the first spring 340, even if the fixing column 320 can be separated from the jack 311, the upper die 150 is convenient to detach;

in practical use, in order to avoid the rotation of the upper die 150 on the pressing plate 130, the stamping protruding blocks cannot be matched with the stamping grooves, positioning holes 611 are formed in four corners of the upper die 150, positioning columns extending into the corresponding positioning holes 611 are formed in the lower side surface of the pressing plate 130, and the upper die 150 is positioned on the pressing plate 130 through the matching of the positioning columns and the positioning holes 611, so that the die assembly of the die structure is facilitated.

In this embodiment, be equipped with mounting bracket 370 in the locking section of thick bamboo 350, lifter 360 runs through mounting bracket 370 setting, is equipped with spring collar 361 on being located lifter 360 of mounting bracket 370 top department, and the cover is equipped with the second spring 380 that is used for driving lifter 360 to reciprocate on the lifter 360 between spring collar 361 and the mounting bracket 370, the upper end of locking section of thick bamboo 350 is equipped with the screw thread section of thick bamboo portion 351 that supplies lifter 360 to pass, the upper end department of lifter 360 is equipped with rotatable column of revolution 390, and column of revolution 390 installs in screw thread section of thick bamboo portion 351 department and is used for realizing that lifter 360 moves down and makes locating lever 331 insert in the ring channel 312.

In this embodiment, the mounting frame 370 is screwed in the locking cylinder 350, and in actual use, a through hole for the lifting rod 360 to penetrate is provided in the mounting frame 370, and through the arrangement of the spring mounting ring 361 and the second spring 380, the spring mounting ring 361 is fixedly mounted on the lifting rod 360, the second spring 380 is sleeved outside the lifting rod 360, the upper end of the second spring 380 is abutted on the spring mounting ring 361, and the lower end of the second spring 380 is abutted on the mounting frame 370, so that the lifting rod 360 moves upwards in the locking cylinder 350 under the action of the second spring 380; the threaded cylinder portion 351 is fixedly mounted on the upper end surface of the locking cylinder 350, the upper end of the lifting rod 360 passes through the threaded cylinder portion 351 and extends out, and when the lifting rod is in actual use, the diameter of the spring mounting ring 361 is larger than the inner diameter of the threaded cylinder portion 351, so that the spring mounting ring 361 can be abutted on the top wall of the locking cylinder 350, and the lifting rod 360 is prevented from being driven by the second spring 380 to be separated from the locking cylinder 350;

Wherein, through the setting of column spinner 390, make the lifter 360 that presses the column spinner 390 and can drive stretching out move down, make its lower extreme stretch into recess 321 in drive locating lever 331 stretch out the setting, at this moment, twist column spinner 390 and can make its threaded connection on screw thread section of thick bamboo portion 351, even the position of lifter 360 is fixed, guarantee promptly that upper die 150 obtains the installation on clamp plate 130, when relieving the threaded connection between column spinner 390 and screw thread section of thick bamboo portion 351, make lifter 360 automatic upward movement under the effect of second spring 380, thereby make upper die 150 obtain the dismouting on clamp plate 130, through above-mentioned structure, make upper die 150 obtain quick dismouting, easy dismounting operation is convenient.

Referring to fig. 4, in this embodiment, a threaded post 421 penetrating through the rotating post 390 is disposed at the upper end of the lifting rod 360, and a nut 440 for limiting the rotating post 390 is screwed onto the threaded post 421.

In this embodiment, the nut 440 is screwed into the threaded post 421 to limit the rotation post 390, so that the rotation of the rotation post 390 on the threaded post 421 is preferably realized, that is, the rotation of the rotation post 390 on the upper end of the lifting rod 360 is realized.

Working principle: when the upper die 150 needs to be replaced, the rotating column 390 is first screwed to separate from the threaded cylinder 351, and then the positioning rod 331 is separated from the annular groove 312, so that the upper die 150 is detached from the pressing plate 130, then the fixing column 320 in the upper die 150 to be replaced extends into the insertion hole 311, and then the rotating column 390 is pressed and screwed to be fixedly mounted on the threaded cylinder 351, so that the upper die 150 to be replaced is fixedly mounted on the pressing plate 130.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (6)

1. A mould structure for automobile punching part, its characterized in that: the automatic lifting device comprises a base (100) and a top plate (110), wherein the base (100) is connected with the top plate (110) through a supporting column (101), a detachable lower die (120) is arranged on the base (100), a lifting pressing plate (130) is arranged above the lower die (120), a detachable upper die (150) is arranged on the pressing plate (130), and a hydraulic cylinder (140) for driving the pressing plate (130) to lift is arranged on the top plate (110);

The middle part department of clamp plate (130) is equipped with jack (311), and the top department cover that just is located jack (311) of the last face of clamp plate (130) is equipped with the locking piece, the last side of last mould (150) is equipped with the installed part that stretches into in jack (311), and the installed part cooperates with the locking piece and realizes the detachable setting of last mould (150) on clamp plate (130).

2. A die structure for automotive stampings according to claim 1, characterized in that: an annular groove (312) is formed in the side wall of the jack (311) along the circumferential direction of the side wall;

the mounting piece comprises a fixed column (320), a groove (321) is formed in the upper end face of the fixed column (320), a sliding block (330) is relatively arranged on the groove (321), a positioning rod (331) capable of extending out of the fixed column (320) is arranged on the opposite side face of the sliding block (330), a first spring (340) for driving the sliding blocks (330) to approach each other is sleeved on the positioning rod (331) in the groove (321), and a first inclined surface (332) is relatively arranged on the opposite side face of the sliding block (330);

The locking piece includes locking section of thick bamboo (350), is equipped with lifter (360) in locking section of thick bamboo (350) in stretching into jack (311), and the lower tip of lifter (360) is equipped with and corresponds first inclined plane (332) matched with second inclined plane (411), lifter (360) stretch into in recess (321) and are used for driving second inclined plane (411) extrusion first inclined plane (332) and promote slider (330) and keep away from each other, realize locating lever (331) and insert in ring channel (312).

3. A die structure for automotive stampings according to claim 2, characterized in that: be equipped with mounting bracket (370) in locking section of thick bamboo (350), lifter (360) run through mounting bracket (370) setting, are equipped with spring collar (361) on lifter (360) that are located mounting bracket (370) top department, cover is equipped with on lifter (360) between spring collar (361) and mounting bracket (370) and is used for driving lifter (360) second spring (380) that move up, the upper end of locking section of thick bamboo (350) is equipped with screw thread section of thick bamboo portion (351) that supply lifter (360) to pass, the upper end department of lifter (360) is equipped with rotatable column of rotation (390), and column of rotation (390) are installed in screw thread section of thick bamboo portion (351) department and are used for realizing that lifter (360) move down makes locating lever (331) insert in ring channel (312).

4. A die structure for automotive stampings according to claim 3, characterized in that: the upper end of the lifting rod (360) is provided with a threaded column (421) penetrating through the rotating column (390), and the threaded column (421) is connected with a nut (440) for limiting the rotating column (390) in a threaded manner.

5. A die structure for automotive stampings according to claim 2, characterized in that: the lower end part of the locking cylinder (350) extends outwards to form a mounting part (511), and the mounting part (511) is fixedly mounted on the pressing plate (130) through a screw.

6. A die structure for automotive stampings according to claim 2, characterized in that: the upper end face of the fixed column (320) is provided with a blocking plate (322), and the blocking plate (322) is provided with a protruding block which extends into the groove (321) to limit the sliding block (330) in a sliding way.