CN213436557U - Magnesium alloy part gear pushing mechanism and die - Google Patents
Magnesium alloy part gear pushing mechanism and die Download PDFInfo
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- CN213436557U CN213436557U CN202022392542.1U CN202022392542U CN213436557U CN 213436557 U CN213436557 U CN 213436557U CN 202022392542 U CN202022392542 U CN 202022392542U CN 213436557 U CN213436557 U CN 213436557U
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- pushing mechanism
- serrated knife
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- 230000007246 mechanism Effects 0.000 title claims abstract description 118
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 230000005489 elastic deformation Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 8
- 239000002893 slag Substances 0.000 abstract description 7
- 238000009966 trimming Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a magnesium alloy part pushes away tooth mechanism and mould, pushes away tooth mechanism and includes locating piece, serrated knife, from restoring to the throne straight line slide mechanism and thrustor, has seted up locating hole and serrated knife via hole on the locating piece, and locating hole and serrated knife via hole inner chamber are linked together, and serrated knife is crossed the downthehole activity and is worn to be equipped with the serrated knife rather than adapting to, the serrated knife along from the slip direction setting of restoring to the throne straight line slide mechanism, the tail end of serrated knife and from the slip portion of restoring to the throne straight line slide mechanism be connected, and thrustor and serrated knife are located respectively from the straight line slide mechanism both ends that restore to the throne, and thrustor pushes away the slip portion to promote. The utility model has the advantages that: the tooth pushing mechanism is adopted, a tooth-shaped structure is machined on a workpiece through one-time action, the tooth pushing mechanism is convenient and fast, and the tooth pushing mechanism is easy to integrate on a die for trimming and removing a stub bar slag ladle, so that the process is saved, the production efficiency is improved, and the cost is reduced.
Description
Technical Field
The utility model belongs to die-cut mould field, concretely relates to magnesium alloy spare pushes away tooth mechanism and mould.
Background
The die casting technology is an important technology for producing magnesium alloy light metal workpieces, and has the advantages of one-step rapid forming, less workpiece machining allowance, high raw material recycling rate and the like. In order to meet the requirement of complicated product structure, the die-casting equipment and the process technology are continuously improved, and various workpieces with complicated shapes can be formed at high quality. After the workpiece is formed, the procedure of trimming and removing a stub bar slag ladle is carried out, and the procedure is generally finished on a punching die. According to the product design, machining may be required subsequently to complete the structure that cannot be machined in the front-end process. For example, a large magnesium alloy product for a certain automobile is provided with a column, and the column is designed with a tooth-shaped structure. According to prior art, the die-casting shaping goes out the work piece earlier, and the edge cutting removes stub bar sediment package after that, and rethread machine tooling mills out the tooth on the post one by one, and is comparatively time-consuming. Because the product size is big, in the turnover, get a process of putting, the time of every beat is all longer, and the equipment that milling process used is great, the price is high simultaneously. Thus, the production period is greatly prolonged by adding one milling procedure, the production efficiency is low, the cost of a single product is greatly increased, the profit rate of the product is low, and the market competitiveness is weak.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide a magnesium alloy tooth pushing mechanism.
The technical scheme is as follows:
the magnesium alloy part tooth pushing mechanism is characterized by comprising a positioning block, a toothed cutter, a self-resetting linear sliding mechanism and a pushing mechanism;
the positioning block is provided with a positioning hole and a toothed cutter through hole, the positioning hole is communicated with the inner cavity of the toothed cutter through hole, the toothed cutter matched with the positioning hole is movably arranged in the toothed cutter through hole in a penetrating manner, the toothed cutter is arranged along the sliding direction of the self-resetting linear sliding mechanism, and the tail end of the toothed cutter is connected with the sliding part of the self-resetting linear sliding mechanism;
the pushing mechanism and the serrated knife are respectively positioned at two ends of the sliding part of the self-resetting linear sliding mechanism, and the pushing mechanism pushes the sliding part of the self-resetting linear sliding mechanism so as to push the serrated knife to slide through the positioning hole.
By adopting the design, the part to be machined of the product is accurately positioned in the positioning hole, the toothed cutter is moved once to machine a toothed structure on the product, the self-resetting linear sliding mechanism is adopted to bear the thrust of the pushing mechanism, and the toothed cutter can be automatically reset after the punching action of the toothed cutter is finished and the pushing force is unloaded while the rigid impact damage is prevented.
As a preferred technical scheme, the self-resetting linear sliding mechanism comprises a jacking sliding mechanism and an elastic deformation mechanism;
the elastic deformation mechanism is arranged between the sliding part of the jacking sliding mechanism and the positioning block.
By adopting the design, the elastic deformation mechanism is compressed along with the sliding part, plays a role in elastic limiting and can enable the sliding block to automatically reset.
As a preferred technical scheme, the jacking sliding mechanism comprises a base, a sliding sleeve is fixedly arranged on the base, a sliding block is arranged in the sliding sleeve, the sliding block extends out of the sliding sleeve and is connected with a cutter holder, and the cutter holder is fixedly connected with the tail end of the serrated knife;
the elastic deformation mechanism is a nitrogen spring, a cylinder of the nitrogen spring is fixedly connected with the tool apron, and a piston rod of the nitrogen spring faces the positioning block. .
By adopting the design, the forward movement amplitude of the serrated knife is limited by utilizing the characteristics of large bearing capacity and gradual change of elasticity in the stroke range of the nitrogen spring, and the limit block and the knife holder are prevented from colliding.
According to a preferable technical scheme, the self-resetting linear sliding mechanism further comprises a cutter guide mechanism, the cutter guide mechanism comprises a guide rod, the guide rod is movably arranged on the base in a penetrating mode and is parallel to the sliding direction of the jacking sliding mechanism, one end of the guide rod penetrates out of one side of the base and is fixedly connected with the cutter holder, the other end of the guide rod penetrates out of the other side of the base and is connected with a limiting block, and a buffer is arranged between the limiting block and the base.
Design more than adopting improves serrated knife motion stability, and the stopper is connected to the guide bar, and sets up the buffer between stopper and the base, prevents stopper and base striking.
As a preferred technical scheme, the pushing mechanism is a steering pushing mechanism.
By adopting the design, the tooth pushing mechanism can be arranged on the die, and the reversing pushing mechanism is driven by the movement of the movable die during die assembly of the die, so that the device can be integrated on dies of other processes and synchronously completed with other processes.
As the preferred technical scheme, the pushing mechanism comprises a push rod, a reversing block and a pushing wheel;
as the preferred technical scheme, the pushing mechanism comprises a reversing block, a push rod and a pushing wheel;
the reversing block is in a triangular shape, a first corner of the reversing block is hinged with the sliding sleeve, a second corner of the reversing block is provided with a shock-resistant wheel, a third corner of the reversing block is provided with the pushing wheel, and the wheel surface of the pushing wheel is opposite to the sliding block;
the push rod is perpendicular to the sliding direction of the jacking sliding mechanism, one end of the push rod is a power end used for being connected with a power device, and the other end of the push rod is a pushing end facing the impact-resistant wheel of the reversing block;
when the push rod pushes the impact-resistant wheel, the reversing block rotates around the first angle of the reversing block to enable the pushing wheel to push the sliding block.
By adopting the design, the pushing force of the push rod is converted into the pushing force of the tooth cutter in the other direction through the rotation of the reversing block, the pushing force of the push rod is transmitted to the reversing block through the impact-resistant wheel, the pushing force of the reversing block is transmitted to the sliding block through the pushing wheel, the pushing force is ensured to be along the advancing direction of the tooth cutter, and the side effects of structural deformation or damage and the like caused by the oblique impact force of the reversing block to the sliding block during rigid pushing are avoided.
The utility model discloses a second aim at provides a mould. The technical scheme is as follows:
the die comprises the tooth pushing mechanism and is characterized by further comprising a lower fixed die assembly and an upper movable die assembly which are matched with each other, wherein the lower fixed die assembly is provided with a positioning block, a tooth cutter and a self-resetting linear sliding mechanism, the power end of a push rod is fixedly connected to the upper movable die assembly, and when the upper movable die assembly moves downwards, the pushing mechanism is driven to push the self-resetting linear sliding mechanism so as to push the tooth cutter to move horizontally.
Compared with the prior art, the beneficial effects of the utility model are that: the tooth pushing mechanism is adopted, a tooth-shaped structure is machined on a workpiece through one-time action, the tooth pushing mechanism is convenient and fast, and the tooth pushing mechanism is easy to integrate on a die for trimming and removing a stub bar slag ladle, so that the process is saved, the production efficiency is improved, and the cost is reduced.
Drawings
FIG. 1 is a schematic view of a workpiece tooth profile;
FIG. 2 is a schematic structural view of the gear-pushing mechanism from a first perspective;
FIG. 3 is a schematic structural view of the gear pushing mechanism from a second perspective;
FIG. 4 is a schematic structural view of the gear-pushing mechanism from a third perspective;
FIG. 5 is a schematic structural view of the gear-pushing mechanism at a fourth viewing angle, showing details of the sliding sleeve structure, and moving the push rod and the reversing block away from the sliding sleeve;
FIG. 6 is a schematic structural view of a mold provided with a tooth pushing mechanism;
FIG. 7 is an enlarged view of portion m of FIG. 6;
FIG. 8 is a partial view of the mold with the tooth pushing mechanism in place.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in FIG. 1, two isolated pillars are arranged on a large magnesium alloy product for an automobile, and a tooth-shaped structure a is designed on the side wall of each pillar. If the prior art is adopted, the die-cast workpiece is subjected to edge cutting, stub bar slag ladle removal and then the machining to mill teeth on the column one by one, so that the process is long, the beat is slow, and the production cost is high. For this purpose, the processing module with the tooth-shaped structure is creatively integrated on the die for trimming and removing the stub bar cinder ladle.
As shown in fig. 2, the magnesium alloy part gear pushing mechanism comprises a positioning block 12, a toothed cutter 11 and a self-resetting linear sliding mechanism. The positioning block 12 is provided with a positioning hole 13 and a toothed cutter through hole 14, inner cavities of the positioning hole 13 and the toothed cutter through hole 14 are communicated, the toothed cutter 11 matched with the toothed cutter through hole 14 movably penetrates through the toothed cutter through hole 14, the toothed cutter 11 is arranged along the movement direction of the sliding part of the self-resetting linear sliding mechanism, and the tail end of the toothed cutter 11 is connected with the sliding part of the self-resetting linear sliding mechanism. The pushing mechanism and the serrated knife 11 are respectively located at two ends of the self-resetting linear sliding mechanism, and the pushing mechanism pushes a sliding part of the self-resetting linear sliding mechanism, so that the serrated knife 11 is pushed to slide through the positioning hole 13. The serrated knife 11 is strip-shaped, the serrated knife 11 comprises a knife body, and two serrated blades 11a protruding towards one side of the knife surface are arranged on the knife body along the length direction of the knife body. The pushing mechanism is a steering pushing mechanism, and the driving force direction of the pushing mechanism is perpendicular to the movement direction of the serrated knife 11 and can also form an acute angle.
The self-resetting linear sliding mechanism comprises a jacking sliding mechanism, an elastic deformation mechanism and a cutter guide mechanism. The elastic deformation mechanism is arranged between the sliding part of the jacking sliding mechanism and the positioning block 12.
Specifically, as shown in fig. 2 to 5, the pressing and sliding mechanism includes a base 10, a sliding sleeve 4 is fixedly assembled on the base 10, a sliding block 5 is arranged in the sliding sleeve 4, the sliding block 5 extends out of the sliding sleeve 4 and is connected with a tool apron 6, and the tool apron 6 is fixedly connected with the tail end of the serrated knife 11.
The elastic deformation mechanism is a nitrogen spring 5, a cylinder of the nitrogen spring 5 is fixedly connected with the tool apron 6, and a piston rod of the nitrogen spring 15 faces the positioning block 12.
The utility model discloses a cutter, including base 10, blade holder 6, top pressure slide mechanism, cutter guide mechanism, this cutter guide mechanism includes guide bar 7, and this guide bar 7 activity is worn to establish on base 10 and with the slip direction of top pressure slide mechanism is parallel, and the one end of this guide bar 7 is worn out behind base 10 one side with blade holder 6 fixed connection, the other end is worn out be connected with stopper 8 behind the base 10 other side, this stopper 8 with be equipped with buffer 9 between the base 10, this buffer 9 is the hydraulic buffer. A hydraulic buffer is also arranged between the tool apron 6 and the base 10.
The pushing mechanism comprises a push rod 1, a reversing block 2 and a pushing wheel 3. The push rod 1 is perpendicular to the moving direction of the slide block 5, one end of the push rod 1 is a power end used for being connected with a power device, and the other end of the push rod 1 is a pushing end used for pushing the reversing block 2. Reversing block 2 is the triangle-shaped form, reversing block 2's first angle is fallen and is seted up in spacing groove 4a on the sliding sleeve 4 to it is articulated with spacing groove 4a, but reversing block 2's second angle rotation ground installs resistant wheel of dashing, reversing block 2's third angle is installed push-up wheel 3, push-up wheel 3's wheel face is just right nitrogen spring 5. When the push rod 1 pushes the impact-resistant wheel, the reversing block 2 rotates around the first angle of the reversing block to enable the pushing wheel 3 to push the sliding block 5.
The tooth pushing mechanism can be arranged on a trimming die for trimming the workpiece and removing the stub bar slag ladle. As shown in FIGS. 6-8, the trimming die comprises a lower fixed die assembly B and an upper movable die assembly A which are matched with each other, and the gear pushing mechanism.
The lower fixed die assembly B is provided with the positioning block 12, the toothed cutter 11 and a self-resetting linear sliding mechanism, and the pushing mechanism is connected to the upper movable die assembly A above the lower fixed die assembly B.
Specifically, the positioning block 12 and the base 10 are both fixedly arranged on the lower fixed die assembly B, such as the lower die insert, and the axial direction of the positioning hole 13 is located in the vertical plane. The sliding sleeve 4 is fixedly arranged on the base 10, the upper surface of the sliding sleeve 4 is provided with a limiting groove 4a, and the limiting groove 4a is positioned in the vertical plane. The serrated knife 11 is horizontally arranged, the push rod 1 is vertically arranged, the power end of the push rod 1 is connected with the upper movable die assembly A, and the push rod 1 pushes the reversing block 2 to rotate in a vertical surface.
And placing the formed workpiece on a die, wherein the column to be cut on the workpiece extends into the positioning hole 13. When the die is closed, the upper moving die component A moves downwards to drive the push rod 1 to move vertically downwards so as to drive the reversing block 2 to rotate, the pushing wheel 3 pushes the sliding block 5, the toothed cutter 11 is pushed to move horizontally forwards, a toothed structure a is punched on a column of a workpiece, and at the moment, the nitrogen spring 15 is compressed to store energy. Therefore, the machining of the tooth-shaped structure is synchronously completed while the edge is cut and the stub bar slag ladle is removed, and the procedure of separately milling the tooth-shaped structure after the edge is cut and the stub bar slag ladle is removed is not needed. When the upper movable die component A moves upwards, the driving push rod 1 is driven to move vertically upwards, the nitrogen spring 15 automatically recovers to push the sliding block 5 to reset, so that the toothed cutter 11 returns, the reversing block 2 reversely rotates to reset, and preparation is made for next punching.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (7)
1. A magnesium alloy part tooth pushing mechanism is characterized in that: comprises a positioning block (12), a serrated knife (11), a self-resetting linear sliding mechanism and a pushing mechanism;
a positioning hole (13) and a toothed cutter through hole (14) are formed in the positioning block (12), the inner cavities of the positioning hole (13) and the toothed cutter through hole (14) are communicated, the toothed cutter (11) matched with the toothed cutter through hole is movably arranged in the toothed cutter through hole (14) in a penetrating mode, the toothed cutter (11) is arranged along the sliding direction of the self-resetting linear sliding mechanism, and the tail end of the toothed cutter (11) is connected with the sliding portion of the self-resetting linear sliding mechanism;
the pushing mechanism and the serrated knife (11) are respectively positioned at two ends of the sliding part of the self-resetting linear sliding mechanism, and the pushing mechanism pushes the sliding part of the self-resetting linear sliding mechanism, so that the serrated knife (11) is pushed to slide through the positioning hole (13).
2. The magnesium alloy part gear pushing mechanism according to claim 1, characterized in that: the self-resetting linear sliding mechanism comprises a jacking sliding mechanism and an elastic deformation mechanism;
the elastic deformation mechanism is arranged between the sliding part of the jacking sliding mechanism and the positioning block (12).
3. The magnesium alloy part gear pushing mechanism according to claim 2, characterized in that: the jacking sliding mechanism comprises a base (10), a sliding sleeve (4) is fixedly arranged on the base (10), a sliding block (5) is arranged in the sliding sleeve (4), the sliding block (5) extends out of the sliding sleeve (4) and then is connected with a cutter holder (6), and the cutter holder (6) is fixedly connected with the tail end of the serrated knife (11);
the elastic deformation mechanism is a nitrogen spring (15), a cylinder barrel of the nitrogen spring (15) is fixedly connected with the cutter holder (6), and a piston rod of the nitrogen spring (15) faces the positioning block (12).
4. The magnesium alloy part gear pushing mechanism according to claim 3, characterized in that: the self-resetting linear sliding mechanism further comprises a cutter guide mechanism, the cutter guide mechanism comprises a guide rod (7), the guide rod (7) is movably arranged on the base (10) in a penetrating mode and is parallel to the sliding direction of the jacking sliding mechanism, one end of the guide rod (7) penetrates out of one side of the base (10) and is fixedly connected with the cutter holder (6), the other end of the guide rod penetrates out of the other side of the base (10) and is connected with a limiting block (8), and a buffer (9) is arranged between the limiting block (8) and the base (10).
5. The magnesium alloy part gear pushing mechanism according to claim 3 or 4, characterized in that: the pushing mechanism is a steering pushing mechanism.
6. The magnesium alloy part gear pushing mechanism according to claim 5, characterized in that: the pushing mechanism comprises a reversing block (2), a push rod (1) and a pushing wheel (3);
the reversing block (2) is in a triangular shape, a first corner of the reversing block (2) is hinged with the sliding sleeve (4), a second corner of the reversing block (2) is provided with a shock-resistant wheel, a third corner of the reversing block (2) is provided with the pushing wheel (3), and the wheel surface of the pushing wheel (3) is over against the sliding block (5);
the push rod (1) is perpendicular to the sliding direction of the jacking sliding mechanism, one end of the push rod (1) is a power end used for being connected with a power device, the other end of the push rod is a pushing end, and the pushing end faces towards the impact-resistant wheel of the reversing block (2);
when the push rod (1) pushes the impact-resistant wheel, the reversing block (2) rotates around a first angle of the reversing block to enable the pushing wheel (3) to push the sliding block (5).
7. A mold comprising the tooth pushing mechanism according to claim 6, wherein: the automatic reset mechanism is characterized by further comprising a lower fixed die assembly (B) and an upper movable die assembly (A) which are matched with each other, wherein the lower fixed die assembly (B) is provided with a positioning block (12), a toothed cutter (11) and a self-reset linear sliding mechanism, the power end of the push rod (1) is fixedly connected to the upper movable die assembly (A), and when the upper movable die assembly (A) moves downwards, the pushing mechanism is driven to push the self-reset linear sliding mechanism, so that the toothed cutter (11) is pushed to move horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392542.1U CN213436557U (en) | 2020-10-23 | 2020-10-23 | Magnesium alloy part gear pushing mechanism and die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392542.1U CN213436557U (en) | 2020-10-23 | 2020-10-23 | Magnesium alloy part gear pushing mechanism and die |
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| Publication Number | Publication Date |
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| CN213436557U true CN213436557U (en) | 2021-06-15 |
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| CN202022392542.1U Active CN213436557U (en) | 2020-10-23 | 2020-10-23 | Magnesium alloy part gear pushing mechanism and die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371826A (en) * | 2020-10-23 | 2021-02-19 | 重庆博奥镁铝金属制造有限公司 | Magnesium alloy part tooth pushing mechanism and die |
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2020
- 2020-10-23 CN CN202022392542.1U patent/CN213436557U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371826A (en) * | 2020-10-23 | 2021-02-19 | 重庆博奥镁铝金属制造有限公司 | Magnesium alloy part tooth pushing mechanism and die |
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