Locking structure of automobile stamping die

Abstract

The utility model discloses an automobile stamping die locking structure, and relates to the technical field of automobile part machining. Comprising a stamping table top on a stamping machine, inverted-T-shaped grooves which are arranged in parallel are formed in the stamping table top, stamping dies used for fixing automobiles are arranged on the inverted-T-shaped grooves, locking type fixing mechanisms used for being fixed to the stamping table top are arranged on a lower die base of each stamping die, and locking type fixing mechanisms are arranged on the two sides of the end faces of the two ends of the lower die base of each stamping die. Each set of locking type fixing mechanism comprises a first locking block and a second locking block, and the first locking block and the second locking block are fixedly connected; the first locking block is used for being fixedly connected with a stamping table top, and the second locking block is used for being fixedly connected with a lower die base of a stamping die. The first locking block is provided with a locking connecting mechanism which enables the first locking block to be pressed and fixed to the stamping table top. The second locking block is provided with a limiting connecting mechanism which enables the second locking block to be connected with a lower die base of the stamping die.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts processing technical field especially, relates 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). The stamping die needs to be locked on the stamping surface of the punch press, and is installed and fixed through the groove of inverted T-shaped structure, and then the stamping die is driven by the punch press for processing.

[0003] In the prior art, the bottom die of the automobile stamping die is usually clamped and locked by a hydraulic clamp on the stamping surface of the automobile punch. However, the hydraulic clamp requires a matching hydraulic control structure to be installed at the automobile punch. The hydraulic pipeline of this hydraulic control structure is easily damaged by external force during punch processing. The hydraulic clamp has a high use cost, and the hydraulic control at the hydraulic clamp is prone to instability problems after failure, which leads to the safety hazard of stamping displacement of the bottom die of the automobile stamping die, and is not conducive to the low-cost and stable locking requirement of the automobile stamping die.

[0004] Therefore, based on the above technical problems, the skilled in the art urgently needs to develop an automobile stamping die locking structure. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the above problems and provides an automobile stamping die locking structure.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model relates to an automobile stamping die locking structure, which comprises a stamping surface on a punch press, the stamping surface has inverted T-shaped grooves arranged in parallel with each other, the inverted T-shaped grooves are used to fix the stamping die of the automobile, the lower die seat of the stamping die is provided with a locking type fixing mechanism for fixing on the stamping surface, the end faces of both ends of the lower die seat of the stamping die are provided with the locking type fixing mechanism, each group of the locking type fixing mechanism comprises a first locking block and a second locking block, and the first locking block and the second locking block are fixedly connected;

[0008] The first locking block is fixedly connected with the stamping surface, and the second locking block is fixedly connected with the lower die seat of the stamping die;

[0009] The first locking block is provided with a locking connection mechanism for pressing and fixing on the stamping surface;

[0010] The second locking block is provided with a limiting connection mechanism for connecting the second locking block with a lower die seat of the stamping die.

[0011] Further, the locking connection mechanism comprises a lower pressing block and an upper pulling block, the lower pressing block is located below the first locking block, and the upper pulling block is located above the first locking block.

[0012] A limiting portion extending downward into the inverted T-shaped groove is arranged on the lower surface of the first locking block.

[0013] A pull rod is connected between the lower pressing block and the upper pulling block, guide holes through which the pull rod passes are arranged on the first locking block and the limiting portion, and the pull rod slides in the guide holes.

[0014] A threaded hole is arranged at a central position of the upper pulling block, a jacking bolt threadedly matched with the threaded hole is arranged in the threaded hole, and the jacking bolt is jacked against the upper surface of the first locking block.

[0015] Further, the pull rod is at least two groups arranged in parallel, and the number of the guide holes corresponds to the number of the pull rods.

[0016] Further, a reinforcing rib plate is arranged on the upper surface of the upper pulling block, and the jacking bolt passes through the reinforcing rib plate.

[0017] Further, the limiting connection mechanism comprises an insertion slot arranged on an end face of the lower die seat of the stamping die, and the insertion slot is used for inserting the second locking block.

[0018] A bolt structure is arranged between the second locking block and the insertion slot, and the bolt structure limits the second locking block from being separated from the insertion slot.

[0019] Further, the bolt structure comprises an assembly plate, at least two groups of bolt rods are vertically connected to the assembly plate, and limiting holes into which the bolt rods are inserted are arranged on the second locking block and the lower die seat of the stamping die.

[0020] An assembly hole is arranged at a central position of the assembly plate, a fastening bolt is arranged on the assembly hole, and a threaded groove threadedly matched with the fastening bolt is arranged on an upper surface of the lower die seat of the stamping die.

[0021] Further, the second locking block is tightly matched with the insertion slot.

[0022] Further, the bolt rod is tightly matched with the limiting hole.

[0023] In the above technical solution, the automobile stamping die locking structure has the following beneficial effects:

[0024] In the locking structure of the automobile stamping die, the lower die base of the stamping die and the inverted T-shaped groove on the stamping table are connected through the locking type fixing mechanism, the first locking block is fixedly connected with the stamping table directly through the locking connection mechanism, and the second locking block is connected with the lower die base of the stamping die through the limiting connection mechanism, so that the connection structure is simple, the connection operation is convenient and fast, and the problem of high fixing cost of the stamping die by using the die clamp is solved. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0026] Figure 1 A structural schematic view of the automobile stamping die locking structure provided by the present application embodiment is shown in the figure.

[0027] Figure 2 A front view of the automobile stamping die locking structure provided by the present application embodiment is shown in the figure.

[0028] Figure 3 A side view of the automobile stamping die locking structure provided by the present application embodiment is shown in the figure.

[0029] Figure 4 A structural schematic view of the bolt structure of the automobile stamping die locking structure provided by the present application embodiment is shown in the figure.

[0030] Figure 5 A partial enlarged view of the automobile stamping die locking structure provided by the present application embodiment is shown in the figure. Figure 1

[0031] Explanation of reference signs:

[0032] 1, stamping table; 2, inverted T-shaped groove; 3, stamping die; 4, first locking block; 5, second locking block; 6, lower pressing block; 7, upper pulling block; 8, limiting part; 9, pull rod; 10, guide hole; 11, threaded hole; 12, jacking bolt; 13, reinforcing rib plate; 14, insertion groove; 15, assembly plate; 16, bolt rod; 17, limiting hole; 18, assembly hole; 19, fastening bolt; 20, threaded groove. DETAILED DESCRIPTION

[0033] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail in combination with the drawings.

[0034] Please refer to​Figures 1-5 The utility model provides a kind of automobile stamping die locking structure, including the stamping mesa 1 on the punch, the stamping mesa 1 has mutually parallel inverted T-shaped groove 2, this structure is the conventional structure of fixed stamping die etc.

[0035] First locking block 4 is used to be fixedly connected between the stamping mesa 1, and the second locking block 5 is used to be fixedly connected between the lower die seat of the stamping die 3, so that the lower die seat of the stamping die 3 is fixed on the stamping mesa 1 on the punch;

[0036] First locking block 4 is used to be fixedly connected between the stamping mesa 1, and the second locking block 5 is used to be fixedly connected between the lower die seat of the stamping die 3, so that the lower die seat of the stamping die 3 is fixed on the stamping mesa 1 on the punch;

[0037] Second locking block 5 is provided with limiting connection mechanism between the lower die seat of the stamping die 3, and the second locking block 5 can be connected with the lower die seat of the stamping die 3 through the limiting connection mechanism, and the connection is stable, without shaking, to avoid unstable connection of the connecting structure and improve the stability of the structure during stamping process.

[0038] Further, the locking connection mechanism includes lower compression block 6 and upper tension block 7, lower compression block 6 is located below first locking block 4, and upper tension block 7 is located above first locking block 4;

[0039] The lower surface of the first locking block 4 is provided with a limiting portion 8 extending downward into the inverted T-shaped groove 2;

[0040] Lower compression block 6 and upper tension block 7 are connected by a pull rod 9, and a guide hole 10 is provided on the first locking block 4 and the limiting portion 8, so that the pull rod 9 passes through the guide hole 10, and the pull rod 9 slides in the guide hole 10;

[0041] A threaded hole 11 is formed in the center position of the upper tension block 7, a jam bolt 12 is arranged in the threaded hole 11 in threaded cooperation, and the jam bolt 12 is jammed on the upper surface of the first locking block 4.

[0042] Specifically, the top bolt 12 in the threaded hole 11 is tightened on the upper surface of the first locking block 4 in rotation, so as to slide in the guide hole 10 through the pull rod 9 on the upper tension block 7, drive the lower pressing block 6 to move upward and be pressed in the wider slot at the lower part of the inverted T-shaped groove 2, and be limited below the narrower slot at the upper part, so as to form a pressing and fixing. The limiting part 8 extends into the inverted T-shaped groove 2, and plays a limiting role on the first locking block 4, so that the first locking block 4 is more stable in the fixed structure under the limiting and pressing and fixing.

[0043] Further, the pull rod 9 is at least two groups arranged in parallel, and the number of guide holes 10 is corresponding to the number of pull rods 9, so as to form a connecting structure between the lower pressing block 6 and the upper tension block 7 through the at least two groups of pull rods 9, and ensure the stability during the movement along the guide hole 10 and the stability after the fastening.

[0044] Further, the upper surface of the upper tension block 7 is provided with a reinforcing rib plate 13, and the top bolt 12 passes through the reinforcing rib plate 13, so as to ensure the stability of the structure of the upper tension block 7 and avoid deformation affecting the stability of the connecting structure.

[0045] Further, the limiting and connecting mechanism comprises an insertion slot 14 opened on the lower die seat end surface of the stamping die 3, and the insertion slot 14 is used for inserting the second locking block 5.

[0046] The insertion slot 14 between the second locking block 5 and the insertion slot 14 is provided with a latch structure for limiting the second locking block 5 from being separated from the insertion slot 14.

[0047] Specifically, after the second locking block 5 is inserted into the insertion slot 14, the second locking block 5 is locked and fixed through the latch structure, so as to avoid the second locking block 5 from being separated from the insertion slot 14, and realize stable connection.

[0048] Further, the latch structure comprises an assembly plate 15, at least two groups of latch rods 16 are vertically connected on the assembly plate 15, and the second locking block 5 and the lower die seat of the stamping die 3 are both provided with limiting holes 17 for inserting the latch rods 16.

[0049] The assembly plate 15 is provided with an assembly hole 18 at the center position, a fastening bolt 19 is arranged on the assembly hole 18, and a threaded groove 20 is opened on the upper surface of the lower die seat of the stamping die 3, which is in threaded cooperation with the fastening bolt 19.

[0050] Specifically, after the second locking block 5 is inserted into the insertion slot 14, the latch rod 16 in the latch structure is inserted into the corresponding limiting hole 17, so as to limit the second locking block 5 from being separated from the insertion slot 14, and then the fastening bolt 19 on the assembly plate 15 is screwed into the threaded groove 20 for fixed connection, so as to keep the limiting position of the latch rod 16, and effectively connect the second locking block 5 and the lower die seat of the stamping die 3.

[0051] Further, the second locking block 5 and the slot 14 are tightly matched, which guarantees that the second locking block 5 can be inserted and extracted in the slot 14, and the gap between the second locking block 5 and the slot 14 is as small as possible to avoid shaking and guarantee the stability of the connecting structure.

[0052] Further, the second locking block 5 and the slot 14 are tightly matched, which guarantees that the second locking block 5 can be inserted and extracted in the slot 14, and the gap between the second locking block 5 and the slot 14 is as small as possible to avoid shaking and guarantee the stability of the connecting structure.

[0053] In summary, in the locking structure of the automobile stamping die, the lower die base of the stamping die and the inverted T-shaped slot on the stamping table are connected through the locking connecting mechanism, the first locking block is fixedly connected with the stamping table, and the second locking block is connected with the lower die base of the stamping die through the limiting connecting mechanism, so that the connecting structure is simple, the connecting operation is convenient and fast, and the problem of high cost of fixing the stamping die by using the die clamp is solved.

[0054] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled in the art, under the condition of not deviating from the spirit and scope of the utility model, the described embodiments can be modified in various different ways, therefore, the above drawings and description are illustrative in nature, should not be understood as the limitation of the utility model claim protection scope.

Claims

1. A locking structure of a stamping die for an automobile, comprising a stamping table (1) on a stamping machine, the stamping table (1) having inverted T-shaped grooves (2) arranged in parallel with each other, and a stamping die (3) for an automobile being fixed on the inverted T-shaped grooves (2), characterized in that, The lower die seat of the stamping die (3) is provided with a locking type fixing mechanism for fixing on the stamping table (1), and the end faces of both ends of the lower die seat of the stamping die (3) are provided with the locking type fixing mechanism, each group of the locking type fixing mechanism comprises a first locking block (4) and a second locking block (5), and the first locking block (4) is fixedly connected with the second locking block (5); The first locking block (4) is fixedly connected with the stamping table (1), and the second locking block (5) is fixedly connected with the lower die seat of the stamping die (3); The first locking block (4) is provided with a locking connection mechanism for being pressed and fixed on the stamping table (1); The second locking block (5) is provided with a limiting connection mechanism for being connected with the lower die seat of the stamping die (3).

2. The locking structure of a press die for an automobile according to claim 1, wherein The locking connection mechanism comprises a lower pressing block (6) and an upper pulling block (7), the lower pressing block (6) is located below the first locking block (4), and the upper pulling block (7) is located above the first locking block (4); The lower surface of the first locking block (4) is provided with a limiting portion (8) extending into the inverted T-shaped groove (2); The lower pressing block (6) and the upper pulling block (7) are connected with a pull rod (9), the first locking block (4) and the limiting portion (8) are provided with guide holes (10) through which the pull rod (9) passes, and the pull rod (9) slides in the guide hole (10); A threaded hole (11) is formed in the center position of the upper pulling block (7), a jam bolt (12) is arranged in the threaded hole (11) in a threaded manner, and the jam bolt (12) is jammed on the upper surface of the first locking block (4).

3. The locking structure of a stamping die for an automobile according to claim 2, wherein The pull rod (9) is at least two groups arranged in parallel, and the number of the guide holes (10) corresponds to the number of the pull rods (9).

4. The locking structure of a stamping die for an automobile according to claim 2, wherein The upper surface of the upper pulling block (7) is provided with a reinforcing rib plate (13), and the jam bolt (12) passes through the reinforcing rib plate (13).

5. The locking structure of a press die for an automobile according to claim 1, wherein The limiting connection mechanism comprises an insertion slot (14) formed on the end face of the lower die seat of the stamping die (3), and the insertion slot (14) is used for inserting the second locking block (5); and A bolt structure is arranged between the second locking block (5) and the insertion slot (14) to limit the second locking block (5) from being separated from the insertion slot (14).

6. The locking structure of a press die for an automobile according to claim 5, wherein The bolt structure comprises an assembly plate (15), at least two groups of bolt rods (16) are vertically connected to the assembly plate (15), and limiting holes (17) are formed in the second locking block (5) and the lower die seat of the stamping die (3) to allow the bolt rods (16) to be inserted; An assembly hole (18) is arranged in the center position of the assembly plate (15), a fastening bolt (19) is arranged on the assembly hole (18), and a threaded groove (20) is formed on the upper surface of the lower die seat of the stamping die (3) to be threadedly connected with the fastening bolt (19).

7. The locking structure of a press die for an automobile according to claim 5, wherein The second locking block (5) is tightly matched with the insertion slot (14).

8. The locking structure of a press die for an automobile according to claim 6, wherein The bolt rod (16) is tightly fitted with the limiting hole (17). The bolt rod (16) is tightly fitted with the limiting hole (17).

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