Locking structure of automobile stamping die

Abstract

The utility model discloses an automobile stamping die locking structure which is provided with a locking mechanism, when the automobile stamping die locking structure is used, after a limiting rod below a lower die is inserted into a machine body, the limiting rod is in butt joint with a fixing rod in the machine body, and meanwhile in the inserting process of the limiting rod, the limiting rod slides on the inclined surface of a locking block; when the limiting rod is completely inserted, the locking block makes contact with the bottom of the machine body, the moving rod stops sliding, the spring resets, and meanwhile the moving rod is driven to move; when the lower die is pulled out, the moving rod pushes the front locking block to move, the locking block locks the limiting rod, the lower die cannot be pulled out movably at the moment, the moving mechanism is started to drive the locking plate to move at the moment, clamping grooves in the surface of the locking plate are clamped with the limiting blocks on the two sides of the lower die at the moment, and limiting and locking of the lower die are completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile stamping die locking structure, specifically to a kind of automobile stamping die locking structure. BACKGROUND

[0002] Stamping die is a kind of special process equipment in cold stamping processing, which processes materials (metal or non-metal) into parts (or semi-finished products), called cold stamping die (commonly known as cold stamping die). Stamping is a kind of pressure processing method that separates or plastically deforms materials at room temperature by using dies installed on a press. In the process of manufacturing automobile parts, automobile stamping die is needed. The existing device still has some defects, such as;

[0003] For example, the publication number CN221715480U discloses a kind of automobile stamping die locking structure, which includes stamping plate, locking mechanism, T-shaped slot on the surface of stamping plate below automobile stamping die, locking mechanism including supporting strip, cover strip, T-shaped guide block, threaded column, nut and reverse lifting platform. After setting locking mechanism between the stamping plate of punch and automobile stamping die, the surface of automobile stamping die can be provided with fixed hole. Four groups of fixed holes of automobile stamping die are locked in the stamping plate of punch by locking mechanism four-corner type. When the upper die of automobile stamping die is locked between the clamp and the lower punch plate of punch by clamp, the bottom die seat of automobile stamping die is not easy to loosen and run out of position. Compared with the hydraulic clamping of existing clamp, the hard pressure mechanical locking of locking mechanism is more stable and has lower cost. Although the device can be well applied to complete the locking of stamping die, it is usually locked by cooperating with multiple bolts, which is more complicated and inefficient in use. Therefore, we propose a kind of automobile stamping die locking structure device to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of automobile stamping die locking structure to solve the problem of not being convenient for quick locking of die in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of automobile stamping die locking structure, including machine body;

[0006] The hydraulic rod is arranged above the body, and the hydraulic rod is connected with the upper die; the inside of the body is fixedly connected with the fixed rod, the fixed rod is slidably connected with the limiting rod, the limiting rod is fixedly connected with the bottom of the lower die, the inside of the body is slidably connected with the moving rod, the surface of the moving rod is provided with the spring, the front end of the moving rod is fixedly connected with the locking block, the moving wheel is arranged above the locking block, the body is connected with the locking plate through the moving mechanism, the locking plate is clamped with the limiting block, and the limiting block is fixedly connected with the surface of the lower die.

[0007] As the preferred technical scheme of the utility model, the moving rod is symmetrically arranged about the center of the body, and the front end of the moving rod is connected with the locking block, and the surface of the locking block is arranged to be inclined.

[0008] As the preferred technical scheme of the utility model, the moving mechanism is symmetrically arranged about the center of the body, and the front end of the moving mechanism is connected with the locking plate, and the locking plate is clamped with the limiting block on the two sides of the lower die.

[0009] As the preferred technical scheme of the utility model, the moving mechanism comprises a push rod, a first sliding block, a first supporting rod, a second supporting rod, a second sliding block and a locking plate; the inside of the body is fixedly connected with the push rod, the front end of the push rod is fixedly connected with the first sliding block, the first sliding block is slidably connected with the inside of the body, the surface of the first sliding block is hinged with the first supporting rod, the front end of the first supporting rod is hinged with the locking plate, the first supporting rod is hinged with the second supporting rod, the front end of the second supporting rod is hinged with the second sliding block, the second sliding block is slidably connected with the inside of the locking plate, and the tail of the second supporting rod is hinged with the body.

[0010] As the preferred technical scheme of the utility model, the thickness of the limiting rod is different between the middle position and the two end positions.

[0011] Compared with the prior art, the utility model has the advantages that the automobile stamping die locking structure is provided with a locking mechanism; when in use, the limiting rod below the lower die is inserted into the inside of the body, so that the limiting rod is butted with the fixed rod in the inside of the body; in the process of inserting the limiting rod, the limiting rod slides on the inclined surface of the locking block; the lower end of the limiting rod pushes the locking block to move in the inside of the body through the moving wheel below; meanwhile, the locking block drives the moving rod to slide in the inside of the body; at this time, the spring on the surface of the moving rod is contracted; when the limiting rod is completely inserted, the locking block is in contact with the bottom of the body, the moving rod stops sliding, the spring is reset, the spring drives the moving rod to move, the moving rod pushes the locking block in front to move, so that the locking block locks the limiting rod; at this time, the lower die cannot be moved out; the locking plate is driven to move by starting the moving mechanism; at this time, the clamping groove on the surface of the locking plate is clamped with the limiting block on the two sides of the lower die, the limiting and locking of the lower die are completed, and displacement of the die in the stamping process is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the front view structure schematic diagram of the utility model;

[0013] Fig. 2 It is the lower mould side section structure schematic diagram of the utility model;

[0014] Fig. 3 It is the lower mould plan view structure schematic diagram of the utility model.

[0015] In the drawing: 1, machine body;2, hydraulic rod;3, upper mould;4, lower mould;5, limit rod;6, fixed rod;7, locking block;8, moving wheel;9, moving rod;10, spring;11, push rod;12, first sliding block;13, first support rod;14, second support rod;15, second sliding block;16, locking plate;17, limit block. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, instead of all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme, a kind of automobile stamping die locking structure, including machine body 1;

[0018] Hydraulic rod 2 is arranged on the upper body 1, and hydraulic rod 2 and upper mould 3 are connected, and the inside of machine body 1 and fixed rod 6 are fixedly connected, fixed rod 6 and limit rod 5 are slidingly connected, the middle position and both end positions of limit rod 5 are different in thickness, and limit rod 5 and the bottom of lower mould 4 are fixedly connected, the inside of machine body 1 and moving rod 9 are slidingly connected, and moving rod 9 is provided with spring 10 on surface, and moving rod 9 front end and locking block 7 are fixedly connected, locking block 7 is provided with moving wheel 8 above, moving rod 9 is symmetrically arranged about the center of machine body 1, and moving rod 9 front end is all connected with locking block 7, and the surface of locking block 7 is obliquely arranged;

[0019] When in use, the limiting rod 5 below the lower mold 4 is inserted into the body 1, and the limiting rod 5 and the fixed rod 6 inside the body 1 are butted. At the same time, during the insertion of the limiting rod 5, the limiting rod 5 slides on the inclined surface of the locking block 7, the lower end of the limiting rod 5 pushes the locking block 7 to move inside the body 1 through the moving wheel 8 below, and the locking block 7 drives the moving rod 9 to slide inside the body 1. At this time, the spring 10 on the surface of the moving rod 9 is contracted. When the limiting rod 5 is completely inserted, the locking block 7 is in contact with the bottom of the body 1, the moving rod 9 stops sliding, the spring 10 is reset, and the spring 10 drives the moving rod 9 to move, the moving rod 9 pushes the locking block 7 in front to move, so that the locking block 7 locks the limiting rod 5. At this time, the lower mold 4 cannot be moved out, when it is needed to be taken out, the moving mechanism is started first to drive the locking plate 16 to move, so that the clamping groove on the surface of the locking plate 16 and the limiting block 17 on the surface of the lower mold 4 are disengaged, then the moving rod 9 on both sides of the body 1 is pulled, so that the moving rod 9 drives the locking block 7 to move through the moving wheel 8, and then the lower mold 4 is pulled out. After pulling out, the moving rod 9 is loosened, and the locking block 7 and the moving rod 9 are reset through the reset of the spring 10;

[0020] The upper part of the body 1 is connected with the locking plate 16 through the moving mechanism, the moving mechanism is symmetrically arranged about the center of the body 1, the front ends of the moving mechanisms are connected with the locking plate 16, the locking plate 16 is clamped with the limiting block 17 on both sides of the lower mold 4 respectively, and the locking plate 16 is clamped with the limiting block 17, the moving mechanism comprises a push rod 11, a first sliding block 12, a first supporting rod 13, a second supporting rod 14, a second sliding block 15, a locking plate 16, the push rod 14 is fixedly connected inside the body 1, the front end of the push rod 14 is fixedly connected with the first sliding block 12, the first sliding block 12 is slidingly connected with the inside of the body 1, the surface of the first sliding block 12 is hinged with the first supporting rod 13, the front end of the first supporting rod 13 is hinged with the locking plate 16, the first supporting rod 13 is hinged with the second supporting rod 14, the front end of the second supporting rod 14 is hinged with the second sliding block 15, the second sliding block 15 is slidingly connected with the inside of the locking plate 16, the tail of the second supporting rod 14 is hinged with the body 1, and the limiting block 17 is fixedly connected with the surface of the lower mold 4;

[0021] At this time, the push rod 11 on both sides of the upper part of the body 1 is started, so that the push rod 11 drives the first sliding block 12 to move, at this time, the first sliding block 12 drives the first supporting rod 13 to adjust, and the first supporting rod 13 drives the second supporting rod 14 to adjust through the hinge shaft. At this time, the second supporting rod 14 drives the second sliding block 15 to move through the hinge shaft, so that the second sliding block 15 slides inside the locking plate 16 to drive the locking plate 16 to move. At this time, the clamping groove on the surface of the locking plate 16 is clamped with the limiting block 17 on both sides of the lower mold 4, the limiting and locking of the lower mold 4 are completed, and displacement of the mold during stamping is prevented.

[0022] Working principle: in use, when the lower die 4 below the limiting rod 5 is inserted into the body 1, the limiting rod 5 and the fixed rod 6 inside the body 1 are butt jointed. At the same time, during the insertion of the limiting rod 5, the limiting rod 5 slides on the inclined surface of the locking block 7, the lower end of the limiting rod 5 pushes the locking block 7 to move inside the body 1 through the lower moving wheel 8, and the locking block 7 drives the moving rod 9 to slide inside the body 1. At this time, the spring 10 on the surface of the moving rod 9 is contracted. When the limiting rod 5 is completely inserted, the locking block 7 is in contact with the bottom of the body 1, the moving rod 9 stops sliding, the spring 10 is reset, and the spring 10 drives the moving rod 9 to move, the moving rod 9 pushes the front locking block 7 to move, so that the locking block 7 locks the limiting rod 5. At this time, the lower die 4 cannot be moved out, at this time, the push rod 11 on the upper side of the body 1 is started, so that the push rod 11 drives the first sliding block 12 to move, at this time, the first sliding block 12 drives the first supporting rod 13 to adjust, and the first supporting rod 13 drives the second supporting rod 14 to adjust through the hinge shaft. At this time, the second supporting rod 14 drives the second sliding block 15 to move through the hinge shaft, so that the second sliding block 15 slides inside the locking plate 16 and drives the locking plate 16 to move. At this time, the clamping groove on the surface of the locking plate 16 and the limiting block 17 on the two sides of the lower die 4 are clamped, the limiting and locking of the lower die 4 are completed, and displacement of the die during stamping is prevented. When it is needed to be taken out, first, the moving mechanism is started to drive the locking plate 16 to move, so that the clamping groove on the surface of the locking plate 16 and the limiting block 17 on the surface of the lower die 4 are disengaged, then the moving rod 9 on the two sides of the body 1 is pulled, so that the moving rod 9 drives the locking block 7 to move through the moving wheel 8, and the lower die 4 is pulled out. After being pulled out, the moving rod 9 is loosened, the locking block 7 and the moving rod 9 are reset through the reset of the spring 10, so that a series of work is completed, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0023] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. An automobile stamping die locking structure, comprising a machine body (1); Its characterized in that: The machine body (1) is provided with a hydraulic rod (2) above, the hydraulic rod (2) is connected with an upper die (3), the machine body (1) is fixedly connected with a fixed rod (6) inside, the fixed rod (6) is slidably connected with a limiting rod (5), the limiting rod (5) is fixedly connected with a bottom of a lower die (4), the machine body (1) is slidably connected with a moving rod (9) inside, the moving rod (9) is provided with a spring (10) on the surface, the front end of the moving rod (9) is fixedly connected with a locking block (7), the locking block (7) is provided with a moving wheel (8) above, the machine body (1) is connected with a locking plate (16) through a moving mechanism, the locking plate (16) is clamped with a limiting block (17), and the limiting block (17) is fixedly connected with the surface of the lower die (4).

2. The locking structure of a press die for an automobile according to claim 1, wherein The moving rod (9) is symmetrically arranged about the center of the machine body (1), the front end of the moving rod (9) is connected with the locking block (7), and the surface of the locking block (7) is inclined.

3. The locking structure of a stamping die for an automobile according to claim 1, wherein The moving mechanism is symmetrically arranged about the center of the machine body (1), the front end of the moving mechanism is connected with the locking plate (16), and the locking plate (16) is clamped with the limiting block (17) on both sides of the lower die (4) respectively.

4. The locking structure of a stamping die for an automobile according to claim 1, wherein The moving mechanism comprises a push rod (11), a first sliding block (12), a first supporting rod (13), a second supporting rod (14), a second sliding block (15), and a locking plate (16), the machine body (1) is fixedly connected with the push rod (14) inside, the front end of the push rod (14) is fixedly connected with the first sliding block (12), the first sliding block (12) is slidably connected with the machine body (1) inside, the surface of the first sliding block (12) is hinged with the first supporting rod (13), the front end of the first supporting rod (13) is hinged with the locking plate (16), the first supporting rod (13) is hinged with the second supporting rod (14), the front end of the second supporting rod (14) is hinged with the second sliding block (15), the second sliding block (15) is slidably connected with the locking plate (16) inside, and the tail of the second supporting rod (14) is hinged with the machine body (1).

5. The locking structure of a press die for an automobile according to claim 1, wherein The limiting rod (5) is different in thickness at the middle position and both end positions.

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