Stamping die convenient for fixing plate

Abstract

The utility model relates to the technical field of stamping dies, in particular to a stamping die convenient for fixing a plate, which comprises a bottom plate, a lower die holder is mounted at the upper end of the bottom plate through a fastener, two groups of limiting mechanisms distributed left and right are mounted in the lower die holder, and each group comprises three limiting mechanisms which are linearly distributed front and back. The top end of the lower die base is fixedly connected with a plurality of supporting rods, the top ends of the supporting rods are jointly and fixedly connected with a top plate, the upper end of the top plate is fixedly connected with a hydraulic telescopic rod, the output end of the hydraulic telescopic rod is fixedly connected with an upper stamping die base, and a fixing assembly is installed in the upper stamping die base and used for pressing and fixing a to-be-stamped plate. The plate to be stamped can be limited and fixed, so that the plate can be positioned on the lower die holder more stably and accurately, the position of the stamped plate is more accurate, and the problem of poor quality caused by deflection is not easy to occur.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping die technical field especially, relates to a kind of stamping die of plate material is fixed conveniently. BACKGROUND

[0002] Stamping is by press and die to plate material, strip material, tubular product and profiled bar etc., so that it generates plastic deformation or separates, to obtain the forming processing method of the workpiece stamping piece of required shape and size, stamping and forging are plastic processing, collectively known as forging.

[0003] The prior art is directly and simply put plate material on die before stamping plate material, and the plate material after placement is not only easy to tilt, but also easy to deviate in the process of stamping, which ultimately affects the quality of the product after stamping, so a stamping die for fixing plate material is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a stamping die for fixing plate material.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stamping die for fixing plate material, comprising a bottom plate, a lower die holder is installed on the upper end of the bottom plate through a fastener, two groups of left and right distributed limiting mechanisms are installed in the lower die holder, each group of limiting mechanisms is provided with three, and is linearly distributed in front and back, a plurality of supporting rods are fixedly connected to the top end of the lower die holder, a top plate is fixedly connected to the top end of the plurality of supporting rods, a hydraulic telescopic rod is fixedly connected to the upper end of the top plate, an upper stamping die holder is fixedly connected to the output end of the hydraulic telescopic rod, a fixing assembly is installed in the upper stamping die holder, and the fixing assembly is used for pressing and fixing the plate material to be stamped;

[0006] The fixing assembly comprises a circular plate, a first spring, a sliding rod, a pressing block and a groove, two sliding rods are symmetrically distributed in front and back about the hydraulic telescopic rod and are slidably connected to the inside of the upper stamping die holder, the upper and lower ends of the sliding rod are fixedly connected with the circular plate and the pressing block respectively, the circumferential surface of the two sliding rods is sleeved with the first spring, one end of the first spring is fixedly connected with the upper stamping die holder, the other end of the first spring is fixedly connected with the circular plate, and the lower end face of the upper stamping die holder is provided with a groove for accommodating the pressing block.

[0007] As a further description of the above technical scheme:

[0008] The circumferential surface of the plurality of supporting rods is slidably connected with a sliding seat, and the plurality of sliding seats are fixedly connected with the upper stamping die holder.

[0009] As a further description of the above technical scheme:

[0010] The fastener comprises an ear plate, a positioning screw rod and a nut, the left and right ends of the lower die seat are fixedly connected with the ear plates, the upper end of the bottom plate is fixedly connected with two groups of positioning screw rods which are symmetrically distributed about the lower die seat, the upper end faces of the plurality of ear plates are all provided with through holes for the positioning screw rods to pass through, and the circumferential faces of the plurality of positioning screw rods are all threadedly connected with the nuts, and the nuts are located at the upper ends of the ear plates.

[0011] As a further description of the above technical solution:

[0012] The recess is located at the upper end of the pressing block, and the size of the recess matches the size of the pressing block.

[0013] As a further description of the above technical solution:

[0014] The limiting mechanism comprises a limiting wheel, a supporting plate, a fixed shell, a guide rod, a second spring, a circular hole and a cavity, the inside of the lower die seat is fixedly connected with the fixed shell, the inside of the fixed shell is provided with the cavity, the upper end face of the fixed shell is provided with the circular hole, and the circular hole and the cavity are in communication with each other, the inside of the cavity is fixedly connected with the guide rod, the circumferential face of the guide rod is slidably connected with the supporting plate, the upper end of the supporting plate is rotatably connected with the limiting wheel, the limiting wheel extends out of the fixed shell through the circular hole, the inside of the cavity is provided with the second spring, one end of the second spring is fixedly connected with the supporting plate, and the other end of the second spring is fixedly connected with the inside bottom end of the fixed shell.

[0015] As a further description of the above technical solution:

[0016] The upper end face of the fixed shell is flush with the upper end face of the lower die seat.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] Compared with the prior art, the stamping die convenient for fixing plate materials can limit the plate materials to be stamped by the limiting mechanism before the plate materials are placed, so that the plate materials are prevented from being inclined during the placing process, the plate materials are first pressed and fixed by the fixing assembly before being stamped during the stamping process, so that the plate materials are prevented from being displaced, the positions of the plate materials during stamping are more accurate, the problem of poor quality caused by inclination is less likely to occur, and in addition, the process of limiting and fixing the plate materials is more convenient to use without too much manual operation of the operating personnel. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a kind of stamping die for plate material fixed conveniently overall structure schematic diagram of front view;

[0020] Figure 2The utility model provides a kind of structure schematic diagram after right view partial section of stamping die convenient for plate fixed of the utility model proposes;

[0021] Figure 3 A kind of stamping die convenient for plate fixed of the utility model proposes Figure 2 The enlarged structure schematic diagram of A in middle;

[0022] Figure 4 A kind of structure schematic diagram after main view partial section of stamping die convenient for plate fixed of the utility model proposes;

[0023] Figure 5 A kind of stamping die convenient for plate fixed of the utility model proposes Figure 4 The enlarged structure schematic diagram of B in middle.

[0024] Legend:

[0025] 1, bottom plate;2, support rod;3, top plate;4, hydraulic telescopic rod;5, upper stamping die base;6, sliding seat;7, lower die base;8, fixed assembly;801, round plate;802, first spring;803, sliding rod;804, briquetting;805, recess;9, limiting mechanism;901, limiting wheel;902, support plate;903, fixed shell;904, guide rod;905, second spring;906, round hole;907, cavity;10, ear plate;11, positioning screw;12, nut. Specific implementation

[0026] Reference Figures 1-5 The utility model provides a kind of stamping die convenient for plate fixed, including bottom plate 1, the upper end of bottom plate 1 is installed with lower die base 7 by fastener, the inside of lower die base 7 is installed with two groups of left and right distribution limiting mechanism 9, each group of limiting mechanism 9 is provided with three, and it is linearly distributed in front and back, the top end of lower die base 7 is fixedly connected with multiple support rods 2, the top end of multiple support rods 2 is fixedly connected with top plate 3 in common, the upper end of top plate 3 is fixedly connected with hydraulic telescopic rod 4, the output of hydraulic telescopic rod 4 is fixedly connected with upper stamping die base 5, the inside of upper stamping die base 5 is installed with fixed assembly 8, and fixed assembly 8 is used for pressing tightly fixed plate to be stamped;

[0027] The fixed assembly 8 comprises a circular plate 801, a first spring 802, a sliding rod 803, a pressing block 804 and a groove 805, the inner part of the upper stamping die seat 5 is slidably connected with two sliding rods 803 which are symmetrically distributed in front and back with respect to the hydraulic telescopic rod 4, the upper and lower ends of the sliding rod 803 are fixedly connected with the circular plate 801 and the pressing block 804 respectively, the circumferential surface of the two sliding rods 803 is sleeved with the first spring 802, one end of the first spring 802 is fixedly connected with the upper stamping die seat 5, the other end of the first spring 802 is fixedly connected with the circular plate 801, the lower end surface of the upper stamping die seat 5 is provided with the groove 805 for accommodating the pressing block 804; the groove 805 is located at the upper end of the pressing block 804, and the size of the groove 805 matches the size of the pressing block 804. During work, before stamping, the plate is placed between the two sets of limiting mechanisms 9, and under the action of the two sets of limiting mechanisms 9, it can be ensured that the placed plate will not be deflected, then during the downward stamping process of the upper stamping die seat 5, the plate is first fixed by the pressing block 804 pressing on the upper end of the plate, then the positions of the pressing block 804, the circular plate 801 and the sliding rod 803 no longer change with the downward movement of the upper stamping die seat 5, the pressing block 804, the circular plate 801 and the sliding rod 803 only have relative displacement with the upper stamping die seat 5, when the upper stamping die seat 5 gradually moves downward, the upper stamping die seat 5 moves along the sliding rod 803 while stretching the first spring 802, until the upper stamping die seat 5 completely presses on the upper end of the lower die seat 7, the pressing block 804 is located in the groove 805 correspondingly, the existence of the groove 805 can avoid the influence of the pressing block 804 on the normal stamping work of the upper stamping die seat 5, during the entire stamping process, the plate is first limited, then fixed, and finally stamped, which can make the position of the plate during stamping more accurate and less likely to cause poor quality problems due to deflection.

[0028] The circumferential surface of each support rod 2 is slidably connected with a sliding seat 6, and the plurality of sliding seats 6 are fixedly connected with the upper stamping die seat 5. During work, under the action of the plurality of sliding seats 6, the upper stamping die seat 5 can move more stably.

[0029] The fastener comprises an ear plate 10, a positioning screw 11 and a nut 12, the left and right ends of the lower die seat 7 are fixedly connected with the ear plate 10, the upper end of the bottom plate 1 is fixedly connected with two sets of positioning screws 11 which are symmetrically distributed left and right with respect to the lower die seat 7, the upper end surface of each ear plate 10 is provided with a through hole for the positioning screw 11 to pass through, the circumferential surface of each positioning screw 11 is threadedly connected with the nut 12, and the nut 12 is located at the upper end of the ear plate 10. During work, during the installation of the lower die seat 7, the ear plate 10 is connected with the positioning screw 11, the nut 12 is installed on the positioning screw 11, and the nut 12 is pressed on the upper end of the ear plate 10, so that under the cooperation of the ear plate 10, the positioning screw 11 and the nut 12, the lower die seat 7 can be stably located at the upper end of the bottom plate 1.

[0030] The limiting mechanism 9 comprises a limiting wheel 901, a supporting plate 902, a fixed shell 903, a guide rod 904, a second spring 905, a circular hole 906 and a cavity 907, the inner portion of the lower die seat 7 is fixedly connected with the fixed shell 903, the inner portion of the fixed shell 903 is provided with the cavity 907, the upper end face of the fixed shell 903 is provided with the circular hole 906, and the circular hole 906 and the cavity 907 are in communication with each other, the inner portion of the cavity 907 is fixedly connected with the guide rod 904, the circumferential surface of the guide rod 904 is slidably connected with the supporting plate 902, the upper end of the supporting plate 902 is rotatably connected with the limiting wheel 901, the limiting wheel 901 extends out of the fixed shell 903 through the circular hole 906, the cavity 907 is internally provided with the second spring 905, one end of the second spring 905 is fixedly connected with the supporting plate 902, and the other end of the spring is fixedly connected with the inner bottom end of the fixed shell 903; the upper end face of the fixed shell 903 is flush with the upper end face of the lower die seat 7. When the plate is placed, the plate can be moved along the plurality of limiting wheels 901 and placed, at this time, the existence of the limiting wheel can position the plate left and right, so as to avoid the inclination of the plate, and when the stamping, when the upper stamping die seat 5 is completely attached to the lower die seat 7, under the action of the upper stamping die seat 5, the limiting wheel 901 can be lowered into the fixed shell 903, in this process, the limiting wheel 901 will be lowered with the depression of the upper stamping die seat 5, at the same time, the supporting plate 902 will be lowered along the guide rod 904 and compress the second spring 905, until the limiting wheel 901 completely enters the fixed shell 903, at this time, the limiting wheel 901 will not always protrude and affect the normal stamping of the upper stamping die seat 5.

[0031] Working principle:

[0032] When in use, the plate is placed between the two sets of limiting mechanisms 9 before stamping, at this time the plate can be moved along the plurality of limiting wheels 901 and placed, under the action of the plurality of limiting wheels 901, the plate after placement can be guaranteed not to be deflected, then the hydraulic telescopic rod 4 is controlled to work, driving the upper stamping die holder 5 to move downward for stamping, in this process, the plate is first fixed by the pressing block 804 pressing on the upper end of the plate, at this time the positions of the pressing block 804, the circular plate 801 and the slide rod 803 no longer change with the downward movement of the upper stamping die holder 5, the pressing block 804, the circular plate 801 and the slide rod 803 only have relative displacement with the upper stamping die holder 5, when the upper stamping die holder 5 gradually moves downward again, the upper stamping die holder 5 will move along the slide rod 803 while stretching the first spring 802, until the upper stamping die holder 5 completely adheres to and presses on the upper end of the lower die holder 7, the stamping of the plate can be completed, at the same time the pressing block 804 will be located in the groove 805 correspondingly, the limiting wheel 901 will move downward to be completely received into the fixed shell 903 due to the downward pressing of the upper stamping die holder 5, in this way, when stamping the plate, the pressing block 804 and the limiting wheel 901 can be avoided from protruding all the time to affect the normal stamping work of the upper stamping die holder 5, since the plate is first limited, then fixed and finally stamped in the whole stamping process, the position of the plate in stamping can be more accurate, and the problem of poor quality caused by deflection can not easily occur.

[0033] Finally, it should be noted that: the above only for preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A stamping die facilitating the fixation of a sheet material, comprising a base plate (1), characterized in that: The upper end of the bottom plate (1) is provided with a lower die holder (7) through a fastener, the inside of the lower die holder (7) is provided with two groups of left and right distributed limiting mechanisms (9), each group of limiting mechanisms (9) is provided with three, and is linearly distributed in front and back, the top end of the lower die holder (7) is fixedly connected with a plurality of supporting rods (2), the top end of the plurality of supporting rods (2) is commonly fixedly connected with a top plate (3), the upper end of the top plate (3) is fixedly connected with a hydraulic telescopic rod (4), the output end of the hydraulic telescopic rod (4) is fixedly connected with an upper stamping die holder (5), the inside of the upper stamping die holder (5) is provided with a fixing assembly (8), and the fixing assembly (8) is used for pressing and fixing the plate to be stamped; The fixing assembly (8) comprises a circular plate (801), a first spring (802), a sliding rod (803), a pressing block (804) and a groove (805), the inside of the upper stamping die holder (5) is slidably connected with two sliding rods (803) which are symmetrically distributed in front and back with respect to the hydraulic telescopic rod (4), the upper and lower ends of the sliding rod (803) are fixedly connected with the circular plate (801) and the pressing block (804) respectively, the circumferential surface of the two sliding rods (803) is sleeved with the first spring (802), one end of the first spring (802) is fixedly connected with the upper stamping die holder (5), the other end of the first spring (802) is fixedly connected with the circular plate (801), and the lower end surface of the upper stamping die holder (5) is provided with the groove (805) for accommodating the pressing block (804).

2. The stamping die for facilitating the fixation of a plate material according to claim 1, characterized in that: The circumferential surface of the plurality of supporting rods (2) is slidably connected with a sliding seat (6), and the plurality of sliding seats (6) are fixedly connected with the upper stamping die holder (5).

3. The stamping die for facilitating the fixation of a plate material according to claim 1, characterized in that: The fastener comprises an ear plate (10), a positioning screw (11) and a nut (12), the left and right ends of the lower die holder (7) are fixedly connected with the ear plate (10), the upper end of the bottom plate (1) is fixedly connected with two groups of positioning screws (11) which are symmetrically distributed in left and right with respect to the lower die holder (7), the upper end surface of the plurality of ear plates (10) is provided with a through hole for the positioning screw (11) to pass through, and the circumferential surface of the plurality of positioning screws (11) is threadedly connected with the nut (12), and the nut (12) is located at the upper end of the ear plate (10).

4. The stamping die for facilitating the fixation of a plate material according to claim 1, characterized in that: The groove (805) is located at the upper end of the pressing block (804), and the size of the groove (805) matches the size of the pressing block (804).

5. The stamping die for facilitating the fixation of a plate material according to claim 1, characterized in that: Said limiting mechanism (9) includes limiting wheel (901), support plate (902), fixed shell (903), guide rod (904), second spring (905), round hole (906) and cavity (907), the inside of lower mould seat (7) is fixedly connected with fixed shell (903), the inside of fixed shell (903) is provided with cavity (907), the upper end surface of fixed shell (903) is opened with round hole (906), and the round hole (906) and the cavity (907) are interconnected, the inside of cavity (907) is fixedly connected with guide rod (904), the circumference of guide rod (904) is slidably connected with support plate (902), the upper end of support plate (902) is rotatably connected with limiting wheel (901), limiting wheel (901) extends out fixed shell (903) through round hole (906), the inside of cavity (907) is installed with second spring (905), one end of second spring (905) is fixedly connected with support plate (902), and the other end of the spring is fixedly connected with the inside bottom end of fixed shell (903).

6. The stamping die for facilitating the fixation of a plate material according to claim 5, characterized in that: The upper end surface of fixed shell (903) is flush with the upper end surface of lower mould seat (7).

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