Multi-directional air-punching fine-punching die

Abstract

The utility model relates to the technical field of stamping processing, in particular to a multidirectional air-punching fine-punching die, which is characterized in that a first hydraulic push rod is fixedly arranged on a top plate, a lifting plate is fixedly arranged at the lower end of the first hydraulic push rod, a movable sleeve is movably sleeved on a support rod, the movable sleeve is fixedly arranged on the lifting plate in a penetrating manner, and a pressing plate is fixedly arranged at the bottom of the lifting plate; the second hydraulic push rods are fixedly arranged on the left side, the right side and the rear side of the upper portion of the supporting table correspondingly, pressing blocks are fixedly arranged at one ends of the second hydraulic push rods, punches are arranged on the pressing blocks, the base is fixedly arranged in the middle of the upper portion of the supporting table, and the first movable blocks are movably arranged in three movable grooves formed in the upper portion of the base correspondingly. A side die base is fixedly arranged on the first movable block, an inner supporting mechanism connected with the side die base is arranged on the supporting table, in the process of clamping the outer side of the workpiece, multi-direction inner supporting of the workpiece can be synchronously achieved, and the phenomenon that in the machining process of the thin-wall thick workpiece, the inner supporting mechanism is damaged is avoided. And slight deformation is generated under the influence of the clamping pressure on the outer side of the workpiece, so that the machining precision is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping processing technical field, concretely relates to a multi -direction gas punch fine blanking die. BACKGROUND

[0002] In the field of metal precision stamping processing, especially in the fine blanking forming process of thin-walled workpieces (such as electronic device shell with wall thickness less than or equal to 1mm), although the traditional die can realize the fixation of the workpiece by the multidirectional clamping of the outer side of the workpiece, if only the pressure is applied by the outer clamping in the stamping process, the workpiece is prone to micro deformation due to uneven stress, which directly affects the punching precision, therefore, a multi -direction gas punch fine blanking die is urgently needed. UTILITARY MODEL CONTENT

[0003] The utility model discloses a kind of multi -direction gas punch fine blanking dies for the defects and deficiencies of prior art, to solve the above problems.

[0004] To achieve the above object, the utility model adopts the following technical scheme: it contains support platform, support rod, top plate and controller, support platform upper portion four corners are fixedly set with support rod, four support rods upper end is fixedly set with top plate, and the top plate upper portion is fixedly set with controller;

[0005] It also contains:

[0006] No. 1 hydraulic push rod, the no. 1 hydraulic push rod is fixedly set on the top plate, and the lower end of the no. 1 hydraulic push rod is fixedly set with lifting plate, the movable sleeve is movably sleeved on the support rod, the movable sleeve is fixedly penetrated on the lifting plate, and the lifting plate bottom is fixedly set with pressing plate;

[0007] No. 2 hydraulic push rod, the no. 2 hydraulic push rod is three, and is fixedly set on the upper portion left and right sides and rear side of support platform, and the one end of the no. 2 hydraulic push rod is fixedly set with pressing block, and the pressing block is provided with punch;

[0008] Base, the base is fixedly set on the upper portion middle of support platform, and the three movable grooves formed in the upper portion of the base are movably provided with no. 1 movable block, the no. 1 movable block is fixedly set with side die holder, the support platform is provided with inner support mechanism connected with side die holder, and the support platform is provided with ejection mechanism.

[0009] Further, the inner support mechanism contains:

[0010] No. 2 movable block, the no. 2 movable block is three, and is movably set in three movable grooves, and the no. 2 movable block is fixedly set with moving seat, and the side wall of the moving seat is fixedly set with horizontal rod;

[0011] The fixed seat is fixedly arranged in the middle of the upper part of the base, a lifting rod is movably arranged in the fixed seat, a first wedge is fixedly arranged on the left and right side walls and the rear side wall of the lifting rod, a cross rod is movably inserted in the fixed seat, and a second wedge is fixedly arranged on one end of the cross rod and movably abuts against the first wedge.

[0012] The motor is fixedly arranged in the support table, a threaded rod is fixedly arranged on the output shaft of the motor, the threaded rod is rotatably inserted in the fixed seat through a bearing, and the lifting rod is rotatably sleeved on the threaded rod.

[0013] The insertion rods are six, are fixedly arranged in groups of two on the side walls of the three moving seats, are movably inserted in the insertion grooves arranged on the side die seats, and springs connected with the insertion rods are fixedly arranged in the insertion grooves.

[0014] Further, a limiting ring is fixedly sleeved on the insertion rod and movably arranged in a limiting ring groove arranged on the inner wall of the insertion groove.

[0015] Further, a baffle is fixedly arranged on the side wall of the first movable block and the second movable block, and the baffle is movably arranged at the opening of the movable groove.

[0016] Further, the ejection mechanism comprises:

[0017] The third hydraulic push rods are two, are fixedly arranged on the left and right sides of the support table, a push plate is fixedly arranged on the upper ends of the two third hydraulic push rods, guide strips are fixedly arranged on the left and right inner side walls of the support table, and the guide strips are movably inserted in guide grooves arranged on the side walls of the push plate.

[0018] The pushing rods are four, are fixedly arranged on the four corners of the upper part of the push plate, and through holes matched with the pushing rods are arranged on the top of the support table and the base.

[0019] Further, six fixed plates are fixedly arranged on the upper part of the base, two guide rods are movably inserted in the fixed plates, and the guide rods are fixedly arranged on the side walls of the pressing block.

[0020] Compared with the prior art, the multi-direction air punching fine punching die has the advantages that the multi-direction air punching fine punching die can realize synchronous multi-direction inward supporting of the workpiece in the process of clamping the outer side of the workpiece, and avoids slight deformation of the workpiece under the influence of clamping pressure on the outer side of the workpiece in the process of machining the workpiece with a thin wall thickness, so that the machining precision is affected. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the utility model.

[0022] Figure 2It is the parts explosion view of the base, the first movable block, the side die holder, the second movable block and the moving seat in the utility model.

[0023] Figure 3 It is the sectional view of the support table, the side die holder, the fixed seat and the base in the utility model.

[0024] Figure 4 It is Figure 3 A part enlarged view in the utility model.

[0025] Figure 5 It is Figure 3 B part enlarged view in the utility model.

[0026] Mark explanation:

[0027] Support table 1, support rod 2, top plate 3, controller 4, first hydraulic push rod 5, lifting plate 6, movable sleeve 7, second hydraulic push rod 8, pressing block 9, punch 10, base 11, movable groove 12, first movable block 13, side die holder 14, inner support mechanism 15, second movable block 15-1, moving seat 15-2, cross bar 15-3, fixed seat 15-4, lifting rod 15-5, first wedge 15-6, second wedge 15-7, motor 15-8, threaded rod 15-9, plug rod 15-10, spring 15-11, ejection mechanism 16, third hydraulic push rod 16-1, push plate 16-2, guide bar 16-3, push material rod 16-4, limit ring 17, guard plate 18, through hole 19, guide groove 20, fixed plate 21, guide rod 22, pressing plate 23. Specific implementation

[0028] The technical scheme in the utility model will be described clearly and completely in combination with the drawings, and the preferred embodiment in the description is only as an example, and all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] As Figures 1-5 Indicated, the specific implementation of the utility model adopts the following technical scheme: it contains support table 1, support rod 2, top plate 3 and controller 4, the upper four corners of support table 1 are fixedly provided with support rod 2, the upper ends of four support rods 2 are fixedly provided with top plate 3, and the upper part of top plate 3 is fixedly provided with controller 4.

[0030] It also contains:

[0031] First hydraulic push rod 5, the first hydraulic push rod 5 is fixedly arranged on top plate 3, the lower end of first hydraulic push rod 5 is fixedly provided with lifting plate 6, movable sleeve 7 is movably sleeved on support rod 2, movable sleeve 7 is fixedly penetrated on lifting plate 6, and the bottom of lifting plate 6 is fixedly provided with pressing plate 23.

[0032] The second hydraulic push rod 8 is fixedly arranged on the left side, the right side and the rear side of the upper part of the support table 1, and one end of the second hydraulic push rod 8 is fixedly provided with a pressing block 9, and the pressing block 9 is provided with a punch 10;

[0033] The base 11 is fixedly arranged on the middle of the upper part of the support table 1, three movable grooves 12 are formed in the upper part of the base 11, and a first movable block 13 is movably arranged in each movable groove 12; the side die seat 14 is fixedly arranged on the first movable block 13; the inner supporting mechanism 15 is arranged on the support table 1 and connected with the side die seat 14; the ejection mechanism 16 is arranged on the support table 1; six fixed plates 21 are fixedly arranged on the upper part of the base 11; two guide rods 22 are movably arranged on the fixed plates 21 and fixedly arranged on the side wall of the pressing block 9; the cooperation of the fixed plates 21 and the guide rods 22 can assist the movement of the pressing block 9, improve the stability of the pressing block 9, and ensure the machining precision of the workpiece;

[0034] The inner supporting mechanism 15 comprises:

[0035] The second movable block 15-1 is movably arranged in the three movable grooves 12, and the second movable block 15-1 is fixedly arranged on the movable seat 15-2; the lateral wall of the movable seat 15-2 is fixedly provided with a horizontal rod 15-3; the lateral walls of the first movable block 13 and the second movable block 15-1 are fixedly provided with the guard plate 18, and the guard plate 18 is movably arranged at the opening of the movable groove 12; the guard plate 18 can guard the movable groove 12, so that the workpiece debris generated during machining is prevented from falling into the movable groove 12 and causing the first movable block 13 and the second movable block 15-1 to be stuck;

[0036] The fixed seat 15-4 is fixedly arranged on the middle of the upper part of the base 11, and the lifting rod 15-5 is movably arranged in the fixed seat 15-4; the lateral walls and the rear wall of the lifting rod 15-5 are fixedly provided with the first wedge block 15-6; the horizontal rod 15-3 is movably inserted in the fixed seat 15-4, and one end of the horizontal rod 15-3 is fixedly provided with the second wedge block 15-7 movably abutting with the first wedge block 15-6;

[0037] The motor 15-8 is fixedly arranged in the support table 1, and the output shaft of the motor 15-8 is fixedly provided with the threaded rod 15-9; the threaded rod 15-9 is rotatably inserted in the fixed seat 15-4 through the bearing; and the lifting rod 15-5 is rotatably sleeved on the threaded rod 15-9 through the thread;

[0038] The insertion rod 15-10 is six, two by two, and is fixedly arranged on the side wall of the three moving seats 15-2, and the insertion rod 15-10 is movably arranged in the insertion slot of the side mold seat 14, the insertion slot is fixedly provided with a spring 15-11 connected with the insertion rod 15-10, the inner support mechanism 15 can synchronously apply outward pressure to the plurality of inner walls of the workpiece, so as to offset the clamping force of the workpiece outside, prevent the workpiece from deforming, thereby improving the machining precision of the workpiece, the insertion rod 15-10 is fixedly provided with a limiting ring 17, and the limiting ring 17 is movably arranged in the limiting ring groove on the inner wall of the insertion slot, the limiting ring 17 can limit the movable position of the insertion rod 15-10 in the insertion slot, so as to avoid that the movement range of the insertion rod 15-10 is too large and causes damage to the spring 15-11;

[0039] The ejection mechanism 16 comprises:

[0040] The third hydraulic push rod 16-1 is two, and is fixedly arranged on the left and right sides inside the support table 1, the upper end of the two third hydraulic push rods 16-1 is fixedly provided with a push plate 16-2, the left and right inner side walls of the support table 1 are fixedly provided with a guide strip 16-3, and the guide strip 16-3 is movably arranged in the guide groove 20 on the side wall of the push plate 16-2;

[0041] The pushing rod 16-4 is four, and is fixedly arranged on the upper four corners of the push plate 16-2, the support table 1 and the base 11 are provided with a through hole 19 matched with the pushing rod 16-4, and the ejection mechanism 16 can eject the machined workpiece upward, thereby improving the convenience of workpiece unloading.

[0042] In use of the utility model, the workpiece is placed on the upper portion of the base 11, and under the influence of the thrust applied by the spring 15-11 to the side die holder 14, the side die holder 14 can be brought into abutment with the inner wall of the workpiece, thereby realizing positioning of the placement position of the workpiece, then the first hydraulic push rod 5 and the second hydraulic push rod 8 are started, the first hydraulic push rod 5 drives the pressing plate 23 to move downwards through the lifting plate 6, so that the pressing plate 23 is brought into abutment on the upper portion of the workpiece, the second hydraulic push rod 8 drives the pressing block 9 to be brought into abutment on the outer sidewall of the workpiece, at the same time, the motor 15-8 can be started, the motor 15-8 drives the threaded rod 15-9 to rotate, the lifting rod 15-5 moves upwards, the lifting rod 15-5 drives the first wedge block 15-6 to move upwards, at this time, the second wedge block 15-7 is pushed by the first wedge block 15-6 to push the cross rod 15-3, the cross rod 15-3 drives the moving seat 15-2 to move towards the side die holder 14 and abut, at this time, the side die holder 14 can not only provide internal support to the inner wall of the workpiece by the force applied by the spring 15-11, but also can use the extrusion of the second wedge block 15-7 and the first wedge block 15-6 to make the cross rod 15-3 and the moving seat 15-2 apply pressure to the side die holder 14, the side die holder 14 can also apply the pressure to the inner wall of the workpiece, thereby realizing stable internal support of the workpiece, then the punch 10 can be used to air punch the workpiece;

[0043] When the workpiece is finished and the pressing plate 23 and the pressing block 9 are separated from the workpiece, the third hydraulic push rod 16-1 can be started, the third hydraulic push rod 16-1 drives the push plate 16-2 to move upwards, the push plate 16-2 drives the pushing rod 16-4 to move upwards, so that the upper end of the pushing rod 16-4 passes through the through hole 19 to drive the workpiece to move upwards, thereby the workpiece is pushed out of the base 11, thereby facilitating unloading of the workpiece.

[0044] Compared with the prior art, the utility model has the advantages that:

[0045] Through the cooperative action of the internal support mechanism 15 and the external pressing block 9, balanced force is synchronously applied to the inner and outer sides of the workpiece, thereby offsetting the unilateral stress in the stamping process, avoiding deformation problems such as depression and ovalization of the thin-walled workpiece caused by uneven stress, and significantly improving the machining precision;

[0046] Through the cooperation of the fixed plate 21 and the guide rod 22, the movement of the pressing block 9 can be assisted and guided, thereby improving the stability of the pressing block 9 and further ensuring the machining precision of the workpiece;

[0047] The blocking plate 18 can block the movable groove 12, thereby avoiding the generated debris in the workpiece machining process from falling into the movable groove 12 to cause the jamming of the first movable block 13 and the second movable block 15-1;

[0048] The ejection mechanism 16 can eject the finished workpiece upwards, thereby fully improving the convenience of unloading the workpiece.

[0049] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A multi-directional air-jetting precision stamping die, comprising a support platform (1), support rods (2), a top plate (3) and a controller (4), wherein support rods (2) are fixedly installed at the four corners of the upper part of the support platform (1), a top plate (3) is fixedly installed at the upper end of the four support rods (2), and a controller (4) is fixedly installed on the upper part of the top plate (3). Its features are, It also includes: A hydraulic push rod (5) is fixedly mounted on the top plate (3). A lifting plate (6) is fixedly mounted on the lower end of the hydraulic push rod (5). A movable sleeve (7) is movably mounted on the support rod (2). The movable sleeve (7) is fixedly mounted on the lifting plate (6). A pressure plate (23) is fixedly mounted on the bottom of the lifting plate (6). Two hydraulic push rods (8), there are three of them, which are fixedly installed on the left and right sides and the rear side of the upper part of the support platform (1). One end of the two hydraulic push rods (8) is fixedly provided with a pressure block (9), and a punch (10) is provided on the pressure block (9). The base (11) is fixedly installed in the middle of the upper part of the support platform (1). The three movable slots (12) opened above the base (11) each have a movable block (13) installed in each slot. A side mold base (14) is fixedly installed on the first movable block (13). The support platform (1) is provided with an inner support mechanism (15) connected to the side mold base (14). The support platform (1) is provided with an ejection mechanism (16).

2. The multi-directional air-jet fine stamping die according to claim 1, characterized in that: The internal support mechanism (15) includes: The second movable block (15-1) consists of three blocks, which are respectively movably arranged in three movable slots (12). A movable seat (15-2) is fixedly installed on the second movable block (15-1), and a crossbar (15-3) is fixedly installed on the side wall of the movable seat (15-2). A fixed seat (15-4) is fixedly installed in the middle of the upper part of the base (11). A lifting rod (15-5) is movably installed inside the fixed seat (15-4). A first wedge (15-6) is fixedly installed on the left and right side walls and the rear side wall of the lifting rod (15-5). A crossbar (15-3) is movably inserted into the fixed seat (15-4). A second wedge (15-7) is fixedly installed at one end of the crossbar (15-3) and is in movable contact with the first wedge (15-6). The motor (15-8) is fixedly installed in the support platform (1). A threaded rod (15-9) is fixedly installed on the output shaft of the motor (15-8). The threaded rod (15-9) is inserted into the fixed seat (15-4) through the bearing. The lifting rod (15-5) is sleeved on the threaded rod (15-9) through the threaded rotation. The insertion rods (15-10) are six in total, and are fixedly installed in pairs on the side walls of the three movable seats (15-2). The insertion rods (15-10) are movably inserted into the slots opened on the side mold seat (14). A spring (15-11) connected to the insertion rod (15-10) is fixedly installed in the slot.

3. A multi-directional air-jetting precision stamping die according to claim 2, characterized in that: A limiting ring (17) is fixedly sleeved on the insertion rod (15-10), and the limiting ring (17) is movably disposed in the limiting ring groove opened on the inner wall of the slot.

4. A multi-directional air-jetting precision stamping die according to claim 2, characterized in that: Both the first movable block (13) and the second movable block (15-1) are fixedly provided with baffle plates (18), and the baffle plates (18) are movably provided at the opening of the movable groove (12).

5. A multi-directional air-jetting precision stamping die according to claim 1, characterized in that: The ejection mechanism (16) includes: The No. 3 hydraulic push rod (16-1) consists of two parts, which are fixedly installed on the left and right sides inside the support platform (1). The upper ends of the two No. 3 hydraulic push rods (16-1) are fixedly installed with push plates (16-2). Guide strips (16-3) are fixedly installed on the left and right inner side walls of the support platform (1), and the guide strips (16-3) are movably inserted into the guide grooves (20) opened on the side wall of the push plate (16-2). Push rods (16-4) are four in number and are fixedly installed at the four corners of the upper part of the push plate (16-2). Through holes (19) that cooperate with push rods (16-4) are provided on the top of the support platform (1) and the base (11).

6. A multi-directional air-jetting precision stamping die according to claim 1, characterized in that: The base (11) is fixedly provided with six fixing plates (21), and two guide rods (22) are movably passed through the fixing plates (21), and the guide rods (22) are fixedly provided on the side wall of the pressure block (9).

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