Magnesium alloy rear cover stamping die

Abstract

The utility model relates to the technical field of stamping dies, in particular to a magnesium alloy rear cover stamping die which comprises a supporting base and a stamping plate, and a stamping channel is arranged on the supporting base in the length direction of the supporting base. A punching assembly, a stamping assembly and a bending assembly are sequentially arranged above the stamping plate in the advancing direction of a product. The stamping plate is provided with a first guide hole allowing the punching assembly to penetrate through, a second guide groove allowing the stamping assembly to penetrate through and a third guide groove allowing the bending assembly to penetrate through. A pushing assembly for driving products to advance one by one is arranged at the front end of the punching channel; products needing to be machined are placed in the stamping channel, the body positions of the products are pushed forwards one by one through the pushing assembly, the products sequentially pass through the punching assembly, the stamping assembly and the bending assembly, after the products are pressed by the stamping plate, the punching assembly, the stamping assembly and the bending assembly can be pressed downwards at the same time, each product can be punched, stamped and bent sequentially, and therefore the products can be punched, stamped and bent. Multiple machining modes are achieved in one die, die replacement is not needed, and efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping die technical field especially relates to a magnesium alloy rear cover stamping die. BACKGROUND

[0002] The magnesium alloy rear cover is a rear cover of equipment made of magnesium alloy material, has many advantages, and has wide application in many fields.

[0003] Among them, such as notebook computer, tablet computer, smart phone etc., the external polycarbonate material rear cover wraps the inner magnesium alloy framework, which ensures the warm and smooth touch and provides solid structure.

[0004] The magnesium alloy rear cover of electronic product is usually formed by stamping, wherein the utility model discloses a bottom shell stamping die, relates to the mould technical field, and includes a lower die assembly, the upper side of the lower die assembly is provided with an upper die mechanism, the upper die mechanism includes a top plate, the bottom end center of the top plate is connected with a pressing plate through a support column, two groups of positioning assemblies are symmetrically connected to the bottom end of the top plate and located on the both sides of the pressing plate, guide columns are installed on the bottom corners of the top plate, the bottom of each group of guide columns is slidably connected with a sliding sleeve, when the upper die mechanism moves downward to stamp the upper and lower protection plates of the lower die assembly, the guide column moves inside the sliding sleeve, the stamping auxiliary positioning of the upper die mechanism to the upper and lower protection plates of the lower die assembly is realized, the moving seat and the two groups of concave platforms move downward, so that the free end of the convex platform enters the trapezoidal groove at the bottom of the concave platform, and the free end of the L-shaped plate enters the inside of each group of sliding grooves, so that the upper die mechanism and the lower die assembly realize accurate die closing, and the accuracy of stamping die during stamping positioning operation is improved.

[0005] The existing stamping die can only change its shape during stamping, and when punching is needed, it needs to be taken out and placed into the corresponding punching die to realize the punching process, which consumes a lot of time. UTILITY MODEL CONTENTS

[0006] The utility model aims at the deficiency of prior art to provide a magnesium alloy rear cover stamping die.

[0007] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0008] A magnesium alloy rear cover stamping die comprises a supporting base and a stamping plate capable of moving longitudinally, the supporting base is provided with a stamping channel along the length direction thereof, the stamping channel is capable of allowing products to pass through; a punching assembly, a stamping assembly and a bending assembly are sequentially arranged above the stamping plate along the advancing direction of the products, the stamping plate is provided with a first guide hole for the punching assembly to pass through, a second guide groove for the stamping assembly to pass through and a third guide groove for the bending assembly to pass through; a pushing assembly is arranged at the front end of the stamping channel to drive the products to advance one by one.

[0009] Further, the pushing assembly comprises an inlet plate connected to the stamping channel, the inlet plate is provided with a standing guide side plate on each side thereof, the inlet plate is provided with an advancing guide groove along the length direction thereof, and the advancing guide groove is provided with a pushing piece to drive the products to advance.

[0010] Further, the pushing piece comprises an advancing telescopic cylinder arranged at the bottom of the inlet plate, a pushing seat is arranged at the driving end of the advancing telescopic cylinder, an advancing lifting cylinder capable of lifting is arranged on the pushing seat, and a pushing block in contact with the products is arranged at the driving end of the advancing lifting cylinder.

[0011] Further, a stamping top seat is arranged above the stamping plate, a top supporting seat is arranged at the top of the stamping top seat, a guide column is arranged at the bottom of the top supporting seat, and a bottom guide hole is arranged in the supporting base to slidably cooperate with the guide column.

[0012] Further, a guide rod is arranged at the top of the stamping plate, a top guide hole is coaxially arranged in the top supporting seat and the stamping top seat to allow the guide rod to pass through, and a compression spring is arranged between the stamping plate and the stamping top seat to be sleeved on the guide rod.

[0013] Further, the punching assembly comprises a plurality of punching knives arranged at the bottom of the stamping top seat, the punching knives are coaxially aligned with the first guide hole, and a first bottom hole is arranged in the stamping channel to allow the punching knives to pass through; the stamping assembly comprises a punching cutter arranged at the bottom of the stamping top seat, the punching cutter is coaxially aligned with the second guide groove, and a second bottom groove is arranged in the stamping channel to allow the punching cutter to pass through; the bending assembly comprises a bending die arranged at the bottom of the stamping top seat, the bending die is coaxially aligned with the third guide groove, and a third bottom groove is arranged in the stamping channel to allow the bending die to pass through.

[0014] Further, the stamping channel comprises a first stamping supporting seat, and the first stamping supporting seat is provided with a side positioning plate matched with the punching assembly.

[0015] Further, the stamping channel further comprises a second stamping supporting seat, the second stamping supporting seat is arranged below the bending die, and the second stamping supporting seat is formed with a bending inclined surface matched with the bending die.

[0016] Further, the first stamping support base is provided with a first positioning hole matched with the stamping assembly, the first positioning hole is slidably provided with a first positioning rod capable of moving longitudinally, the second stamping support base is provided with a second positioning hole matched with the bending die, and the second positioning hole is slidably provided with a second positioning rod capable of moving longitudinally.

[0017] Further, the support base is provided below with a bottom driving seat, the bottom driving seat is arranged in a gap between the support base, and the bottom driving seat is provided with a first lifting cylinder for driving the first positioning rod and the second positioning rod to move up and down and a second lifting cylinder for driving the top support base to move up and down.

[0018] The utility model discloses beneficial effects: the product that needs processing is put into the stamping channel, and the body position of one product is pushed forward by the pushing assembly one by one, so that the product passes through the punching assembly, the stamping assembly and the bending assembly in turn, after the stamping plate presses the product, the punching assembly, the stamping assembly and the bending assembly can be pressed down simultaneously, and each product can be punched, stamped and bent in turn, and various modes of processing are realized in one die, so that the die does not need to be replaced, and the efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of stamping die.

[0020] Figure 2 It is another view structure schematic view of stamping die.

[0021] Figure 3 It is a structure schematic view of pushing assembly.

[0022] Figure 4 It is a connection structure schematic view between stamping plate and top support base.

[0023] Figure 5 It is a structure schematic view of stamping channel.

[0024] The reference signs include:

[0025] 1-support base,

[0026] 10-pushing assembly, 11-feeding plate, 12-guiding side plate, 13-advancing guide groove,

[0027] 14-advancing telescopic cylinder, 15-pushing seat, 16-advancing lifting cylinder, 17-pushing block,

[0028] 2-stamping plate,

[0029] 21-stamping top seat, 22-top support base, 23-guiding column, 24-bottom guiding hole,

[0030] 25-guiding rod, 26-top guiding hole, 27-compression spring,

[0031] 3-punch assembly,

[0032] 31-stamping assembly, 32-bending assembly, 33-punching knife, 34-punching knife, 35-bending die,

[0033] 36-first guide hole, 37-second guide slot, 38-third guide slot,

[0034] 4-stamping channel,

[0035] 41-first stamping support seat, 42-second stamping support seat, 43-side positioning plate, 44-first bottom hole, 45-second bottom slot, 46-third bottom slot, 47-first positioning hole, 48-second positioning hole,

[0036] 49-bending inclined surface,

[0037] 5-bottom driving seat,

[0038] 51-first positioning rod, 52-second positioning rod, 53-first lifting cylinder, 54-second lifting cylinder. DETAILED DESCRIPTION

[0039] The utility model will be described in detail below in combination with the drawings.

[0040] As Figures 1-5 shown, a magnesium alloy rear cover stamping die, including support base 1 and the stamping plate 2 that can move longitudinally, support base 1 is arranged along its length direction and is provided with stamping channel 4, and the stamping channel 4 can be used for product forward through. The front end of stamping channel 4 is provided with the pusher assembly 10 that drives product forward one by one, and the pusher assembly 10 includes the feed plate 11 that is connected with the stamping channel 4, the feed plate 11 is provided with the guide side plate 12 that stands on both sides respectively, the feed plate 11 is provided with the advancing guide slot 13 along its length direction, and the advancing guide slot 13 is provided with the pusher piece that drives product forward. Put product into the feed plate 11, at this time, the unprocessed product is a plate, under the guidance of guide side plate 12, it will not deviate left and right, then under the action of pusher piece, it can enter into the stamping channel 4 along guide side plate 12.

[0041] The pushing member includes a front advancing telescopic cylinder 14 arranged at the bottom of the feeding plate 11, a pushing seat 15 is installed at the driving end of the front advancing telescopic cylinder 14, a front advancing lifting cylinder 16 capable of lifting movement is installed at the pushing seat 15, a pushing block 17 in contact with the product is installed at the driving end of the front advancing lifting cylinder 16; when the unprocessed product advances, the front advancing telescopic cylinder 14 retracts, the front advancing lifting cylinder 16 retracts, then the front advancing lifting cylinder 16 extends, the pushing block 17 is in contact with the front end of the product, the front advancing telescopic cylinder 14 extends, the extending distance is just the length of one product, so that the product can enter the stamping channel 4 one by one.

[0042] The stamping plate 2 is sequentially provided with a punching assembly 3, a stamping assembly 31 and a bending assembly 32 in the advancing direction of the product, the stamping plate 2 is provided with a first guide hole 36 for the punching assembly 3 to pass through, a second guide groove 37 for the stamping assembly 31 to pass through, and a third guide groove 38 for the bending assembly 32 to pass through; the distance between the punching assembly 3, the stamping assembly 31 and the bending assembly 32 is just the length of one product, so that each product can accurately pass through the punching assembly 3, the stamping assembly 31 and the bending assembly 32 in turn.

[0043] The stamping plate 2 is provided with a stamping top seat 21, the top supporting seat 22 is installed at the top of the stamping top seat 21, the guide column 23 is installed at the bottom of the top supporting seat 22, the supporting base 1 is provided with the bottom guide hole 24 in sliding fit with the guide column 23. The guide rod 25 is installed at the top of the stamping plate 2, the top supporting seat 22 and the stamping top seat 21 are coaxially provided with the top guide hole 26 for the guide rod 25 to pass through, and the compression spring 27 is arranged on the guide rod 25 between the stamping plate 2 and the stamping top seat 21.

[0044] During processing, the top supporting seat 22 is in sliding fit with the bottom guide hole 24 of the supporting base 1 through the guide column 23, the top supporting seat 22, the stamping top seat 21 and the stamping plate 2 are simultaneously pressed down, the stamping plate 2 first abuts against the top of the product to preliminarily position the product, then the punching assembly 3, the stamping assembly 31 and the bending assembly 32 installed at the stamping top seat 21 are simultaneously pressed down to pass through the corresponding holes and grooves under the cooperation of the guide rod 25 and the compression spring 27, so that the product positioned in the stamping channel 4 is processed to realize stamping.

[0045] The product to be processed is put into the stamping channel 4, and the pushing assembly 10 is used to push one product at a time, so that the product passes through the punching assembly 3, the stamping assembly 31 and the bending assembly 32 in turn, after the stamping plate 2 presses the product, the punching assembly 3, the stamping assembly 31 and the bending assembly 32 can be simultaneously pressed down, and each product can be punched, stamped and bent in turn, so that multiple processing modes can be realized in one mold, and the mold does not need to be replaced, so that the efficiency is greatly improved.

[0046] The stamping channel 4 comprises a first stamping support seat 41 provided with a side positioning plate 43 matched with the punching assembly 3. The product is pushed into the first stamping support seat 41 of the stamping channel 4 by the forward pushing of the pushing assembly 10, and at this time, the product is continuously guided and positioned by the side positioning plate 43 to prevent the product from deviating laterally and ensure the accuracy of punching. The punching assembly 3 comprises a plurality of punching knives 33 mounted on the bottom of the stamping top seat 21, the punching knives 33 are coaxially aligned with the first guide hole 36, and the stamping channel 4 is provided with a first bottom hole 44 for the punching knives to pass through. The product can be punched by the punching knives 33 of the punching assembly 3, and at the same time, the punching knives 33 are guided by the first bottom hole 44 to prevent the stamping channel 4 from being damaged.

[0047] After the punching operation, the product is pushed by the pushing assembly 10 to reach below the stamping assembly 31, and at the same time, the product on the feeding plate 11 enters below the punching assembly 3; the stamping assembly 31 comprises a punching and cutting knife 34 mounted on the bottom of the stamping top seat 21, the punching and cutting knife 34 is coaxially aligned with the second guide groove 37, and the stamping channel 4 is provided with a second bottom groove 45 for the punching and cutting knife 34 to pass through; the product after punching is continuously processed by the punching and cutting knife 34 of the stamping assembly 31 to cut off the excess part and form a preliminary product.

[0048] In order to improve the forming accuracy of stamping, the first stamping support seat 41 is provided with a first positioning hole 47 matched with the stamping assembly 31, and the first positioning hole 47 is slidably installed with a first positioning rod 51 capable of moving longitudinally; in this embodiment, when the product after punching enters below the stamping assembly 31, the hole position after punching is coaxially aligned with the first positioning hole 47 of the first stamping support seat 41, at this time, the first positioning rod 51 is raised and inserted into the hole position after punching, thereby positioning the product to ensure that the product will not deviate when being stamped, and improving the cutting accuracy.

[0049] When cutting, the punching assembly 3 will punch the product that has just entered the stamping channel 4, thereby realizing the effect of continuous processing.

[0050] The product after punching and cutting is advanced by the pushing assembly 10 to a station below the bending assembly 32, and the product on the feeding plate 11 is simultaneously fed to below the punching assembly 3, and the product below the punching assembly 3 is simultaneously fed to below the punching assembly 31. The bending assembly 32 comprises a bending die 35 mounted on the bottom of the punching top seat 21, the bending die 35 is coaxially aligned with the third guide groove 38, and the punching channel 4 is provided with a third bottom groove 46 for the bending die 35 to pass through. The product after punching and cutting is further processed by the bending die 35 of the bending assembly 32, and the product after cutting is bent into a required finished product. The punching channel 4 further comprises a second punching support seat 42 below the bending die 35, and the second punching support seat 42 is formed with a bending inclined surface 49 matched with the bending die 35. When bending, the bending die 35 is pressed downward, so that the product is matched with the bending inclined surface 49 of the second punching support seat 42 to complete the bending operation.

[0051] In order to improve the forming precision of bending, the second punching support seat 42 is provided with a second positioning hole 48 matched with the bending die 35, and a second positioning rod 52 capable of moving longitudinally is slidably installed in the second positioning hole 48. When the product after punching and cutting enters below the bending assembly 32, the hole position after punching is coaxially aligned with the second positioning hole 48 of the second punching support seat 42. At this time, the second positioning rod 52 is raised and inserted into the hole position after punching, so as to position the product and ensure that the product will not be deviated when being bent, thereby improving the precision of bending.

[0052] Specifically, the bottom driving seat 5 is arranged below the support base 1 with a gap between the bottom driving seat 5 and the support base 1. The bottom driving seat 5 is provided with a first lifting cylinder 53 driving the first positioning rod 51 and the second positioning rod 52 to move up and down, and a second lifting cylinder 54 driving the top support seat 22 to move up and down. Under the driving of the first lifting cylinder 53, the punching assembly 3, the punching assembly 31 and the bending assembly 32 can simultaneously press down to operate the product. Under the action of the bottom plate, the second lifting cylinder 54 can drive the first positioning rod 51 and the second positioning rod 52 to be correspondingly inserted into the product, so as to position the product and further improve the positioning stability of the product.

[0053] As can be seen from the above, the utility model has the excellent characteristics described above, and can improve the performance of the prior art and has practicality, and becomes a product with high practical value.

[0054] The above content is only a preferred embodiment of the utility model, and for those skilled in the art, the specific embodiment and application range can be changed according to the idea of the utility model, and the content of the specification should not be understood as limiting the utility model.

Claims

1. A magnesium alloy back cover press die comprising a support base and a press plate capable of longitudinal movement, characterized in that: The support base is provided with a punching channel along the length direction of the support base, the punching channel being used for the product to pass through; a punching assembly, a punching assembly and a bending assembly are sequentially arranged above the punching plate along the advancing direction of the product, the punching plate is provided with a first guide hole for the punching assembly to pass through, a second guide slot for the punching assembly to pass through, and a third guide slot for the bending assembly to pass through; the front end of the punching channel is provided with a pushing assembly for driving the product to advance one by one.

2. The magnesium alloy back cover stamping die according to claim 1, characterized in that: The pushing assembly comprises an inlet plate connected with the punching channel, and the inlet plate is provided with a guide side plate on both sides, and the inlet plate is provided with an advancing guide slot along the length direction of the inlet plate, and the advancing guide slot is provided with a pushing piece for driving the product to advance.

3. The magnesium alloy back cover stamping die according to claim 2, characterized in that: The pushing piece comprises an advancing telescopic cylinder arranged at the bottom of the inlet plate, a pushing seat is arranged at the driving end of the advancing telescopic cylinder, a advancing lifting cylinder capable of lifting is arranged on the pushing seat, and a pushing block in contact with the product is arranged at the driving end of the advancing lifting cylinder.

4. The magnesium alloy back cover stamping die according to claim 3, characterized in that: The punching plate is provided with a punching top seat above the punching plate, the top of the punching top seat is provided with a top support seat, the bottom of the top support seat is provided with a guide column, and the support base is provided with a bottom guide hole in sliding fit with the guide column.

5. The magnesium alloy back cover stamping die according to claim 4, characterized in that: The punching plate is provided with a guide rod on the top, the top support seat and the punching top seat are coaxially provided with a top guide hole for the guide rod to pass through, and a compression spring is arranged on the guide rod.

6. The magnesium alloy back cover stamping die according to claim 5, characterized in that: The punching assembly comprises a plurality of punching knives arranged at the bottom of the punching top seat, the punching knives are coaxially aligned with the first guide hole, and the punching channel is provided with a first bottom hole for the punching knives to pass through; the punching assembly comprises a punching cutter arranged at the bottom of the punching top seat, the punching cutter is coaxially aligned with the second guide slot, and the punching channel is provided with a second bottom slot for the punching cutter to pass through; the bending assembly comprises a bending die arranged at the bottom of the punching top seat, the bending die is coaxially aligned with the third guide slot, and the punching channel is provided with a third bottom slot for the bending die to pass through.

7. The magnesium alloy back cover stamping die according to claim 6, characterized in that: The punching channel comprises a first punching support seat, and the first punching support seat is provided with a side positioning plate matched with the punching assembly.

8. The magnesium alloy back cover stamping die according to claim 7, characterized in that: The punching channel further comprises a second punching support seat, the second punching support seat is located below the bending die, and the second punching support seat is formed with a bending inclined surface matched with the bending die.

9. The magnesium alloy back cover stamping die according to claim 8, characterized in that: The first punching support seat is provided with a first positioning hole matched with the punching assembly, the first positioning hole is slidably provided with a first positioning rod capable of moving longitudinally, the second punching support seat is provided with a second positioning hole matched with the bending die, and the second positioning hole is slidably provided with a second positioning rod capable of moving longitudinally.

10. The magnesium alloy back cover stamping die according to claim 9, characterized in that: The bottom driving seat is arranged between the support base and the bottom driving seat, the bottom driving seat is provided with a first lifting cylinder for driving the first positioning rod and the second positioning rod to lift, and a second lifting cylinder for driving the top support seat to lift.

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