Precise stamping die for sheet metal parts

Abstract

The utility model discloses a precision stamping die for sheet metal parts, which comprises a female die and a male die, and is characterized in that the female die is positioned at the bottom of the male die, a material guide component is mounted in the female die, and the material guide component comprises a material ejection frame which is inserted into the inner wall of the bottom of the male die in a sliding manner; the upper half portion of the material jacking frame can just enter a forming groove in the female die, a mounting groove is formed in the outer wall of the top of the material jacking frame, a horizontally-arranged guide plate is hinged to the interior of the mounting groove, a plurality of first springs are fixedly connected between the guide plate and the mounting groove, and the guide plate can form an inclined plane when not subjected to external force. By arranging the material guiding assembly and the transmission assembly, a finished product can be located on an inclined plane, after the finished product is separated from the interior of the forming groove, the finished product can automatically slide outwards along a slope, workers do not need to take the finished product, and punching work cannot be affected by a guiding plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal production technical field, concretely is a sheet metal precision stamping die. BACKGROUND

[0002] Sheet metal stamping die is an important process equipment, it utilizes die and punch press bed and so on pressure equipment to sheet metal stamping processing, to obtain the required part shape and size.

[0003] Through the retrieval, the utility model discloses a sheet metal precision stamping die of patent announcement number CN211915208U, including lower die and upper die, the lower die bottom and upper die top are all provided with heat conduction mechanism, the heat conduction mechanism includes first heat conduction plate, second heat conduction plate, third heat conduction plate, round hole, fixed rod, motor, motor shaft and exhaust fan blade, the lower die bottom and upper die top are respectively pasted with first heat conduction plate and second heat conduction plate.

[0004] The above device is used, because material is stamped and will produce deformation, thus inevitably will lead to workpiece to be stuck in the female die, so often sets up the material ejecting device and exports it, but material will still stay in the material ejecting position top, needs to be manually taken down, increases the operation procedure, and there is improvement space. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a sheet metal precision stamping die to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a sheet metal precision stamping die, including female die and male die, characterized by: the female die is at the bottom position of the male die, the female die is internally provided with a material guiding assembly, the material guiding assembly includes a material ejecting frame slidingly inserted into the inner wall of the bottom of the male die, the upper half of the material ejecting frame can enter the forming groove in the female die, an installation groove is formed in the outer wall of the top of the material ejecting frame, a guide plate is hingedly connected inside the installation groove and arranged horizontally, a plurality of springs are fixedly connected between the guide plate and the installation groove, the guide plate can form an inclined surface when not subjected to external force, a transmission assembly is installed at the bottom of the female die, the transmission assembly includes a contact plate fixedly connected to one end of the bottom of the material ejecting frame, and the contact plate is arranged horizontally.

[0007] As a further preferred embodiment of the present technical solution, four springs are fixedly connected between the contact plate and the female die, one installation plate is fixedly connected to each side of the outer wall of the bottom of the female die, a material ejecting rod is rotatably connected between the two installation plates through a bearing, the protruding portion of the material ejecting rod can eject the material ejecting frame out of the forming groove of the female die, and a gear is coaxially fixed to one end of the rotating shaft of the material ejecting rod.

[0008] As a further preferred of the technical scheme, the punch one side outer wall is fixedly connected with a vertical rack, the rack can be engaged with the gear, and the rack convex tooth part can drive the ejector rod to rotate one circle.

[0009] The finished product can be on an inclined plane, and when it is separated from the forming groove, it will automatically slide outward along the inclined plane without the need for workers to take it. The guide plate does not affect the stamping work. The finished product extrusion guide plate flips towards the inside of the mounting groove and then completely enters it, which avoids affecting the work. During this period, the spring is also compressed and shortened, and then drives the punch to move upward. The gear will restore to be long, the guide plate can be lifted to move upward, and the guide plate forms an inclined plane. The fixed rack on one side of the punch is driven to move upward synchronously, and then the convex tooth part of the rack is engaged with the gear. The rack drives the gear to rotate, and then the ejector rod also rotates synchronously. The convex part of the ejector rod can lift the ejector frame upward through the contact plate, and then the finished product is driven to move out of the forming groove of the concave die. The finished product slides outward along the inclined plane formed by the guide plate.

[0010] As a further preferred of the technical scheme, the concave die top outer wall is fixedly connected with three positioning blocks, and the punch bottom outer wall is provided with three accommodating grooves matched with the three positioning blocks.

[0011] The material passes through the gap between the two positioning blocks on one side, and then pushes one end to move towards the other positioning block. When the two contact, the material is exactly in the middle of the concave die, so as to avoid the position deviation of the material affecting the quality of the finished product. Then drive the punch to move downward, and then the accommodating grooves at the bottom of the punch are sleeved on the three inclined outer parts, so as to ensure that the butt joint process is accurate enough, and then it is beneficial to improve the precision of the finished product.

[0012] As a further preferred of the technical scheme, the top four corners of the three positioning blocks are provided as inclined angles.

[0013] As a further preferred of the technical scheme, the concave die one side outer wall top is fixedly connected with a stable sleeve, and the rack can be slidably inserted in the stable sleeve.

[0014] As a further preferred of the technical scheme, the concave die top one end corner is provided with a material guide groove, and the material guide groove is inclined.

[0015] The utility model provides a kind of sheet metal precision stamping die, with the following beneficial effects:

[0016] (1)The utility model discloses a guide component and transmission assembly are set up, make finished product can be on an inclined plane, when it is separated from the inside of forming groove, will along the slope automatic outward slide, need not staff to take, and the guide plate will not affect the progress of the stamping work, and finished product extrusion guide plate overturns towards the inside of mounting groove, then will completely enter in it, can avoid its influence to the work and carry out, during this period spring one also will be compressed and shorten, then drive the male die to move up, gear will restore and lengthen, and the guide plate can lift finished product and move up, and the guide plate also can form an inclined plane, and the fixed rack of male die one side is driven and synchronously moves up, then the male tooth part of rack engages with gear, and the rack drives gear to rotate, and then the ejector rod also rotates synchronously, and the protruding part of ejector rod can lift the ejector frame up through the contact plate, then finished product also will be driven and moves out the forming groove of female die, and finished product will slide outward along the inclined plane formed by the guide plate.

[0017] (2)The utility model discloses a positioning block and accommodating groove are set up, and material passes the gap of one side two positioning blocks, then pushes its one end and makes it close to another positioning block, when two contact, material will be just in the middle position of female die, thereby avoiding material position deviation and affecting finished product quality, then drive male die to move down, then the accommodating groove of male die bottom will be set in three bevels outside, thereby guaranteeing that the butt joint process is accurate enough, thereby being favorable for improving the precision of finished product. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole first visual angle structure schematic diagram of the utility model;

[0019] Figure 2 It is whole second visual angle structure schematic diagram of the utility model;

[0020] Figure 3 It is guide component amplification structure schematic diagram of the utility model;

[0021] Figure 4 It is the utility model's Figure 1 Amplification structure schematic diagram of A place in middle;

[0022] In the drawing: 1, female die;2, male die;3, positioning block;4, accommodating groove;5, bevel;6, guide component;7, transmission assembly;601, ejector frame;602, mounting groove;603, guide plate;604, spring one;701, contact plate;702, ejector rod;703, mounting plate;704, gear;705, rack;706, stabilizing sleeve. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiment of the utility model will be clearly and completely described below with reference to the drawings in the embodiment of the utility model.

[0024] The utility model provides technical scheme: such as Figure 2 And Figure 3 As shown in the figure, in the embodiment, a sheet metal precision stamping die, including female die 1 and male die 2, its characterized in that: female die 1 is at the bottom position of male die 2, the inside installation of female die 1 has material guiding assembly 6, material guiding assembly 6 includes the top material frame 601 of the sliding plug-in of male die 2 bottom inner wall, the upper half of top material frame 601 can just enter the forming groove in the inside of female die 1, the outer wall of top material frame 601 top is provided with installation groove 602, the inside hinged of installation groove 602 has the horizontal setting guide plate 603, a plurality of spring one 604 are fixedly connected between guide plate 603 and installation groove 602, guide plate 603 can form an inclined plane when not under external force, the bottom of female die 1 is provided with transmission assembly 7, and transmission assembly 7 includes the fixed connection of the contact plate 701 of one end of top material frame 601 bottom, and contact plate 701 is horizontally arranged.

[0025] In the processing, finished product extrusion guide plate 603 is turned over towards the inside of installation groove 602, then will completely enter it, that is, the influence on work can be avoided, during this period, spring one 604 will also be compressed and shortened, then drive male die 2 to move upwards, gear 704 will restore to be long, and guide plate 603 can be lifted to move upwards, and guide plate 603 will form an inclined plane.

[0026] As shown in the figure, four spring two are fixedly connected between contact plate 701 and female die 1, one mounting plate 703 is fixedly connected to the both sides of the outer wall of the bottom of female die 1, and top material rod 702 is rotatably connected between the two mounting plates 703 through bearing, the convex part of top material rod 702 can lift top material frame 601 out of the forming groove of female die 1, and gear 704 is coaxially fixed to the rotating shaft one end of top material rod 702. Figure 2 Figure 4 The outer wall of one side of male die 2 is fixedly connected with the vertically arranged rack 705, the rack 705 can be engaged with the gear 704, and the convex tooth part of the rack 705 can drive the top material rod 702 to rotate one circle.

[0027] The rack 705 fixed to one side of the male die 2 is driven to move upwards synchronously, then the convex tooth part of the rack 705 is engaged with the gear 704, the rack 705 drives the gear 704 to rotate, and then the top material rod 702 also rotates synchronously, the convex part of the top material rod 702 can lift the top material frame 601 upwards through the contact plate 701, and then the finished product is also driven to move out of the forming groove of the female die 1, and the finished product slides outward along the inclined plane formed by the guide plate 603.

[0028] As shown in the figure, in the embodiment, a sheet metal precision stamping die, including female die 1 and male die 2, its characterized in that: female die 1 is at the bottom position of male die 2, the inside installation of female die 1 has material guiding assembly 6, material guiding assembly 6 includes the top material frame 601 of the sliding plug-in of male die 2 bottom inner wall, the upper half of top material frame 601 can just enter the forming groove in the inside of female die 1, the outer wall of top material frame 601 top is provided with installation groove 602, the inside hinged of installation groove 602 has the horizontal setting guide plate 603, a plurality of spring one 604 are fixedly connected between guide plate 603 and installation groove 602, guide plate 603 can form an inclined plane when not under external force, the bottom of female die 1 is provided with transmission assembly 7, and transmission assembly 7 includes the fixed connection of the contact plate 701 of one end of top material frame 601 bottom, and contact plate 701 is horizontally arranged.

[0029] As shown in the figure, in the embodiment, a sheet metal precision stamping die, including female die 1 and male die 2, its characterized in that: female die 1 is at the bottom position of male die 2, the inside installation of female die 1 has material guiding assembly 6, material guiding assembly 6 includes the top material frame 601 of the sliding plug-in of male die 2 bottom inner wall, the upper half of top material frame 601 can just enter the forming groove in the inside of female die 1, the outer wall of top material frame 601 top is provided with installation groove 602, the inside hinged of installation groove 602 has the horizontal setting guide plate 603, a plurality of spring one 604 are fixedly connected between guide plate 603 and installation groove 602, guide plate 603 can form an inclined plane when not under external force, the bottom of female die 1 is provided with transmission assembly 7, and transmission assembly 7 includes the fixed connection of the contact plate 701 of one end of top material frame 601 bottom, and contact plate 701 is horizontally arranged. Figure 1 Figure 2 ​​As shown, the outer wall of the top of the concave die 1 is fixedly connected with three positioning blocks 3, and the outer wall of the bottom of the convex die 2 is provided with three accommodating grooves 4 matched with the three positioning blocks 3.

[0030] The four corners of the top of the three positioning blocks 3 are all set as bevel angles 5, so that the accommodating grooves 4 are more accurate in the process of being sleeved outside the positioning blocks 3, thereby avoiding the position deviation from causing the work to be unable to normally proceed.

[0031] The material is passed through the gap between the two positioning blocks 3 on one side, and then the end is pushed to make it close to the other positioning block 3, and when the two are in contact, the material is just in the middle position of the concave die 1, thereby avoiding the material position deviation from affecting the finished product quality, and then the convex die 2 is driven to move downward, and then the accommodating grooves 4 at the bottom of the convex die 2 are sleeved outside the three bevel angles 5, thereby ensuring that the butt joint process is accurate enough, and thus being beneficial to improve the precision of the finished product.

[0032] As shown in the drawings, Figure 1 The outer wall of one side of the concave die 1 is fixedly connected with a stable sleeve 706 at the top, and the rack 705 can be slidably inserted in the stable sleeve 706, which is beneficial to improve the stability of the state of 705, so that the transmission assembly 7 can continuously operate.

[0033] As shown in the drawings, Figure 1 And Figure 2 The end edge corner of the top of the concave die 1 is provided with a material guide groove, and the material guide groove is inclined, which can avoid the finished product from being moved to the concave die 1 along the guide plate 603 and unable to continue to slide outward due to the parallel surface.

[0034] The utility model provides a kind of sheet metal precision stamping die, specific working principle as follows:

[0035] When the device works, the concave die 1 and the convex die 2 are respectively installed on the top of the workbench and the bottom of the hydraulic cylinder output end, the material is pushed through the gap between the two positioning blocks 3 on one side, then one end of the material is pushed to make it close to the other positioning block 3, when the two contact, the material is just in the middle of the concave die 1, so as to avoid the position deviation of the material affecting the quality of the finished product, then the convex die 2 is driven to move downward, then the containing groove 4 at the bottom of the convex die 2 is sleeved outside the three bevels 5, so as to ensure that the butt joint process is accurate enough, thereby being beneficial to improve the precision of the finished product, then the convex die 2 and the concave die 1 complete the coincidence, the stamping work is completed, during the machining process, the finished product extrusion guide plate 603 is turned over to the inside of the mounting groove 602, then it is completely entered, so as to avoid its affecting the work, during this period, the spring one 604 is also compressed and shortened, then the convex die 2 is driven to move upward, the gear 704 will be restored to be long, the guide plate 603 can be lifted to move upward, and the guide plate 603 forms an inclined surface, the fixed rack 705 on one side of the convex die 2 is driven to move upward synchronously, then the convex tooth part of the rack 705 is engaged with the gear 704, the rack 705 drives the gear 704 to rotate, thereby the ejector rod 702 also rotates synchronously, the protruding part of the ejector rod 702 can drive the ejector frame 601 upward through the contact plate 701, then the finished product is driven to move out of the forming groove of the concave die 1, the finished product is slid outward along the inclined surface formed by the guide plate 603, and the guide groove on one side of the concave die 1 is matched to complete the automatic discharge.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision stamping die for sheet metal parts, comprising a female die (1) and a male die (2), characterized in that: The concave die (1) is in the bottom position of the convex die (2), the inside of the concave die (1) is provided with a material guiding assembly (6), the material guiding assembly (6) comprises a top material frame (601) which is slidingly inserted into the inner wall of the bottom of the convex die (2), the upper half of the top material frame (601) can enter the forming groove in the inside of the concave die (1), the outer wall of the top of the top material frame (601) is provided with a mounting groove (602), the inside of the mounting groove (602) is hingedly connected with a horizontally arranged guide plate (603), a plurality of springs (604) are fixedly connected between the guide plate (603) and the mounting groove (602), the guide plate (603) can form an inclined surface when it is not subjected to external force, the bottom of the concave die (1) is provided with a transmission assembly (7), the transmission assembly (7) comprises a contact plate (701) which is fixedly connected to one end of the bottom of the top material frame (601), and the contact plate (701) is horizontally arranged.

2. The precise stamping die for sheet metal parts according to claim 1, characterized in that: The contact plate (701) and the concave die (1) are fixedly connected with four springs, the outer wall of the bottom of the concave die (1) is fixedly connected with an installation plate (703) on both sides, the two installation plates (703) are rotatably connected with a top material rod (702) through a bearing, the convex part of the top material rod (702) can push the top material frame (601) out of the forming groove of the concave die (1), and the rotating shaft one end of the top material rod (702) is coaxially fixedly connected with a gear (704).

3. The precise stamping die of sheet metal parts according to claim 2, characterized in that: The outer wall of one side of the convex die (2) is fixedly connected with a vertically arranged rack (705), the rack (705) can be engaged with the gear (704), and the convex tooth part of the rack (705) can drive the top material rod (702) to rotate one circle.

4. The precise stamping die for sheet metal parts according to claim 1, characterized in that: The outer wall of the top of the concave die (1) is fixedly connected with three positioning blocks (3), and the outer wall of the bottom of the convex die (2) is provided with three accommodating grooves (4) which are matched with the three positioning blocks (3).

5. The precise stamping die for sheet metal parts according to claim 4, characterized in that: The top four corners of the three positioning blocks (3) are provided with inclined angles (5).

6. The precise stamping die of sheet metal parts according to claim 3, characterized in that: The outer wall of one side of the concave die (1) is fixedly connected with a stabilizing sleeve (706), and the rack (705) can be slidingly inserted into the stabilizing sleeve (706).

7. The precise stamping die of sheet metal parts according to claim 1, characterized in that: The end corner of the top of the concave die (1) is provided with a material guiding groove, and the material guiding groove is inclinedly arranged.

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