CN213645613U - Drawing die for metal shell workpieces - Google Patents

Drawing die for metal shell workpieces Download PDF

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Publication number
CN213645613U
CN213645613U CN202022507943.7U CN202022507943U CN213645613U CN 213645613 U CN213645613 U CN 213645613U CN 202022507943 U CN202022507943 U CN 202022507943U CN 213645613 U CN213645613 U CN 213645613U
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China
Prior art keywords
plate
fixing plate
die
lower fixing
metal shell
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CN202022507943.7U
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Chinese (zh)
Inventor
周为兵
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Jingzhou Weibin Prec Machinery Mfg Co ltd
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Jingzhou Weibin Prec Machinery Mfg Co ltd
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Abstract

The utility model relates to a drawing die of metal shell class work piece belongs to metal shell class work piece production facility technical field. The die comprises a bottom plate, an upper fixing plate, a lower fixing plate, a female die assembly, a male die head and an ejector plate, wherein the lower fixing plate is arranged on the bottom plate through supporting legs, the upper fixing plate is arranged above the lower fixing plate, guide rods are symmetrically arranged between the upper fixing plate and the lower fixing plate, a return spring is sleeved on the guide rod between the upper fixing plate and the lower fixing plate, the female die assembly is arranged on the upper fixing plate between the guide rods, a lower fixing plate corresponding to the female die component is provided with a male die head, the male die head is sleeved with an ejector plate, in the working process of the stamping die, the problem that the stamping forming quality is influenced by the difficulty in positioning the plate is solved through the workpiece positioning groove of the ejector plate, the good product rate of workpiece forming is effectively ensured, the problem that workers are difficult to unload workpieces from stations in time, production efficiency is reduced, and manual labor amount is improved is solved through the cooperation of the jacking plate and the jacking air cylinder.

Description

Drawing die for metal shell workpieces
Technical Field
The utility model relates to a drawing die of metal shell class work piece belongs to the technical field of metal shell class work piece production.
Background
Metal shell type workpieces (such as the lower shell of a compressor) are generally manufactured by a stamping process, which is a processing method for obtaining a workpiece by separating or forming a plate material, and is based on plastic deformation of the material, and the plate material is processed by a die and a stamping device to obtain the required shape, size and precision of the part. The stamping die is the position in industrial production, is a tool for producing isomorphic products in a large scale, and is also the main technical equipment for industrial production. The mold industry is the fundamental industry of national economy. The die can ensure the dimensional accuracy and the stable quality of the stamped product, and the surface of the product is not damaged in the processing process. The use of molds has become an important tool and process development direction for the current industrial production.
Due to the structure of the existing stamping die for metal shell workpieces, in the stamping production process of the stamping die, the plates are difficult to position and easily deviate, the stamping forming quality is directly influenced, the formed workpieces are sleeved on a male die, and workers are difficult to timely remove the stamping die from a station, so that the production efficiency is reduced, and the manual labor amount is increased; meanwhile, due to the structure of the existing stamping die, in the stamping production process, because friction exists between the die opening and the workpiece, the die opening is easily damaged, and the yield of the stamping forming workpiece is influenced. There is therefore a need for improvements thereto.
Disclosure of Invention
The utility model aims to provide a: the drawing die is convenient for workers to timely remove workpieces from stations, production efficiency is effectively improved, manual labor amount is reduced, and meanwhile the problems that stamping forming quality is affected due to the fact that plate positioning is difficult and the problem that friction between a female die opening and the workpieces is prone to damage is solved.
The technical scheme of the utility model is that:
the utility model provides a tensile mould of metal shell class work piece, it includes bottom plate, an upper fixed plate, bottom plate, die subassembly, die head, liftout plate and jacking cylinder, its characterized in that: a lower fixing plate is arranged on the bottom plate through supporting legs, an upper fixing plate is arranged above the lower fixing plate, guide rods are symmetrically arranged between the upper fixing plate and the lower fixing plate, one ends of the guide rods are fixedly connected with the upper fixing plate, and the other ends of the guide rods penetrate through the lower fixing plate and extend to the outer side; the device comprises a supporting leg, a lower fixing plate, a lower supporting plate, a guide rod, a lower die assembly, a jacking cylinder, a lower fixing plate and a reset spring, wherein the guide rod between the upper fixing plate and the lower fixing plate is sleeved with the reset spring, the reset spring is in contact connection with the upper fixing plate and the lower fixing plate, the upper fixing plate between the guide rods is provided with the female die assembly, the lower fixing plate corresponding to the female die assembly is provided with a male die head, the male die head is sleeved with the jacking plate.
The die assembly comprises a die body, a limiting ring plate and a ceramic ring plate, a die groove is formed in the central position of the lower end face of the die body, the limiting ring plate is mounted on the lower end face of the die body through a bolt, the ceramic ring plate is sleeved in the limiting ring plate, the limiting ring plate is in interference fit with the ceramic ring plate, the section size of an inner ring of the ceramic ring plate corresponds to the section size of a die groove of the die body, and the die body is fixedly connected with an upper fixing plate.
The outer circle surface of the ceramic ring plate is in a slope shape.
The limiting ring plate is a circular ring plate, and the inner ring surface of the limiting ring plate is in a slope surface shape.
The upper fixing plate and the lower fixing plate are both rectangular plate-shaped bodies.
The ejection plate is in a ring plate shape, the upper surface of the ejection plate is provided with a workpiece positioning groove, a central position of the workpiece positioning groove is provided with an assembling hole, and the cross section of the assembling hole of the ejection plate corresponds to the cross section of the male die head in a matched mode.
And a limiting rod is fixedly arranged on the lower fixing plate on one side of the guide rod and is in intermittent contact connection with the upper fixing plate.
The end of the guide rod extending to the outer side of the fixing plate is provided with a limiting boss, and the limiting boss is in intermittent contact connection with the lower fixing plate.
The utility model has the advantages that:
during the work of the stretching die of the metal shell workpiece, the problem that the stamping forming quality is influenced by the difficult positioning of the sheet metal is solved through the workpiece positioning groove of the ejector plate, the formed yield of the workpiece is effectively guaranteed, the problem that the workpiece is difficult to timely unload from a station by workers is solved through the cooperation of the ejector plate and the jacking cylinder, the production efficiency is reduced, the labor amount is improved, meanwhile, the cooperation of the limiting ring plate and the ceramic ring plate is adopted, the stamping production process of the workpiece is effectively guaranteed, the friction between a female die opening and the workpiece is reduced, the damage to the female die opening is avoided, and the yield of the stamping forming workpiece is influenced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic bottom view of the female mold assembly of the present invention;
FIG. 4 is a schematic cross-sectional structural view of the middle position-limiting ring plate and the ceramic ring plate of the present invention;
fig. 5 is a schematic structural view of the middle ejector plate of the present invention.
In the figure: 1. a base plate; 2. an upper fixing plate; 3. a lower fixing plate; 4. a male die head; 5. ejecting the plate; 6. jacking a cylinder; 7. supporting legs; 8. a guide bar; 9. a limiting boss; 10. a return spring; 11. a female die body; 12. a limit ring plate; 13. a ceramic ring plate; 14. a workpiece positioning groove; 15. an assembly hole; 16. a limiting rod; 17. and (4) a die cavity.
Detailed Description
The drawing die for the metal shell workpiece comprises a bottom plate 1, an upper fixing plate 2, a lower fixing plate 3, a female die assembly, a male die head 4, an ejector plate 5, a jacking cylinder 6 and supporting legs 7, wherein the lower fixing plate 3 is fixedly mounted on the bottom plate 1 through a plurality of supporting legs 7 which are symmetrically arranged, and the lower fixing plate 3 is a rectangular plate-shaped body.
The top of bottom plate 3 is provided with an upper fixed plate 2, upper fixed plate 2 is the rectangular plate-shaped body, upper fixed plate 2 corresponds with the size of bottom plate 3, the symmetry is provided with guide bar 8 on the diagonal between upper fixed plate 2 and bottom plate 3, the one end and the 2 fixed connection of upper fixed plate of guide bar 8, the other end of guide bar 8 runs through bottom plate 3 and extends to the outside, be provided with spacing boss 9 on the 8 ends of guide bar that extend to the 3 outsides of bottom plate, spacing boss 9 is connected with 3 intermittent type contacts of bottom plate, the effect of guide bar 8 is to playing spacing guide effect to upper fixed plate 2, guarantee that upper fixed plate 2 can move for bottom plate 3 is steady, spacing boss 9 of guide bar 8 and the cooperation of bottom plate 3, prevent that upper fixed plate 2 from sliding excessively.
The cover is equipped with reset spring 10 on the guide bar 8 between upper fixed plate 2 and the bottom plate 3, and reset spring 10 is connected with upper fixed plate 2 and bottom plate 3 contact, and in operation, after upper fixed plate 2 took place to remove for bottom plate 3 through guide bar 8, through the elastic force effect of reset spring 10 self, the top fixed plate 2 that enables after removing took place to reset.
A female die assembly is arranged on the upper fixing plate 2 between the guide rods 8, the female die assembly consists of a female die body 11, a limiting ring plate 12 and a ceramic ring plate 13, the female die body 11 is fixedly arranged on the upper fixing plate 2 through bolts, and a female die groove 17 is formed in the center of the lower end face of the female die body 11; the lower end face of the female die body 11 is provided with a limiting ring plate 12 through a bolt, the limiting ring plate 12 is a ring plate, the inner ring surface of the limiting ring plate 12 is in a slope shape, a ceramic ring plate 13 is sleeved in the inner ring of the limiting ring plate 12, the outer circle surface of the ceramic ring plate 13 is in the slope shape, the inner ring surface of the limiting ring plate 12 is in interference fit with the outer circle surface of the ceramic ring plate 13, and the inner ring section size of the ceramic ring plate 13 corresponds to the female die groove 17 section size of the female die body 11 in a matching mode.
The ceramic ring plate 13 is made of metal ceramic, the metal ceramic is made of metal and ceramic raw materials, and has some advantages of metal and ceramic, such as toughness and bending resistance of the former, high temperature resistance, high strength and oxidation resistance of the latter, and the metal ceramic generally has the characteristics of high temperature strength, small density, easy processing, corrosion resistance, good heat conductivity and the like, and is widely applied in industry.
The lower fixing plate 3 corresponding to the female die groove 17 of the female die component is provided with a male die head 4, the shape of the male die head 4 is matched with that of the female die groove 17, the male die head 4 is sleeved with an ejector plate 5, the ejector plate 5 is in a ring plate shape, the upper surface of the ejector plate 5 is provided with a workpiece positioning groove 14, the central position of the workpiece positioning groove 14 is provided with an assembling hole 15, and the size of the cross section of the assembling hole 15 of the ejector plate 5 is matched with that of the cross section of the male die head 4; in operation, the ejector plate 5 can slide over the punch head 4.
The symmetry is provided with jacking cylinder 6 on the bottom plate 3 between the supporting leg 7, and 6 fixed mounting of jacking cylinder are on bottom plate 3, and the piston rod of jacking cylinder 6 runs through bottom plate 3 and 5 fixed connection of liftout plate, and in operation, when the piston rod of jacking cylinder 6 outwards stretched out or inwards retracted, the piston rod through jacking cylinder 6 drove liftout plate 5 and takes place upwards or displacement downwards.
Fixed mounting has gag lever post 16 on the bottom plate 3 of guide bar 8 one side, gag lever post 16 sets up on a diagonal of bottom plate 3, gag lever post 16 is the dislocation form setting with guide bar 8, there is the clearance between gag lever post 16 and the upper fixed plate 2, gag lever post 16 is connected with 2 intermittent type contacts of upper fixed plate, gag lever post 16's effect is, after 2 take place to remove of upper fixed plate, it is spacing to form upper fixed plate 2, prevent that upper fixed plate 2 from moving excessively on guide bar 8.
When the drawing die for the metal shell workpiece is used, the drawing die is firstly installed in a matched mode with a press machine, after the drawing die is installed, a worker opens the jacking cylinder 6 to control the piston rod of the jacking cylinder 6 to extend outwards, the piston rod of the jacking cylinder 6 drives the ejection plate 5 to move upwards until the jacking cylinder 6 jacks in place, and at the moment, the ejection plate 5 is higher than the highest point of the male die head 4.
After the ejector plate 5 moves in place, a worker places the plate on the workpiece positioning grooves 14 of the ejector plate 5 to enable the plate to be matched with the workpiece positioning grooves 14 of the ejector plate 5, after the plate is placed, the workpiece positioning grooves 14 position the plate, a press machine is started, the press machine applies downward pressure to the upper fixing plate 2 to enable the upper fixing plate 2 to move downwards relative to the lower fixing plate 3 through the guide rods 8, and the concave die assembly is synchronously moved downwards in the downward moving process of the upper fixing plate 2.
In the process that the female die assembly moves downwards, the ceramic ring plate 13 in the limiting ring plate 12 on the female die body 11 is in contact with the plate, the piston rod of the jacking cylinder 6 is controlled to retract, the female die assembly and the jacking plate 5 synchronously move downwards, the upper fixing plate 2 moves in place until the upper fixing plate 2 is in contact connection with the limiting rod 16, and the plate is stamped by matching the male die heads 4 arranged on the female die groove 17 of the female die body 11, the ceramic ring plate 13 and the lower fixing plate 3, so that the plate is stamped, the ceramic ring plate 13 has toughness and bending resistance, is not easy to damage, and the yield of workpieces is effectively guaranteed.
After the work piece shaping, the press resets, because during upper fixed plate 2 moves down, upper fixed plate 2 forms the extrusion to reset spring 10 with bottom plate 3, under reset spring 10 self elastic action for upper fixed plate 2 and guide bar 8 take place to reset, and the spacing boss 9 of 8 end departments of guide bar effectively avoids upper fixed plate 2 and guide bar 8 to reset excessively with bottom plate 3 cooperation.
And controlling a piston rod of the jacking cylinder 6 to extend outwards, driving the jacking plate to move upwards by the piston rod of the jacking cylinder 6, and enabling the jacking plate to move upwards along the male die head 4, so that the workpiece formed on the male die head 4 is ejected out, a worker can take the formed workpiece down conveniently, a new plate can be placed again, the steps are repeated, and the production operation of the workpiece is started circularly.
During the work of the stretching die for the metal shell type workpieces, the problem that the stamping forming quality is influenced by the difficult positioning of the plates is solved through the workpiece positioning groove 14 of the ejection plate 5, the formed yield of the workpieces is effectively guaranteed, the problem that workers are difficult to timely unload the workpieces from stations is solved through the cooperation of the ejection plate 5 and the ejection cylinder 6, the production efficiency is reduced, the labor amount is improved, meanwhile, the cooperation of the limiting annular plate 12 and the ceramic annular plate 13 is adopted, the fact that the friction between a female die opening and the workpieces is reduced in the stamping production process of the workpieces is effectively guaranteed, the damage of the female die opening is avoided, and the yield of the stamping forming workpieces is influenced.

Claims (8)

1. The utility model provides a tensile mould of metal shell class work piece, it includes bottom plate (1), upper fixed plate (2), bottom plate (3), die subassembly, convex die head (4), liftout plate (5), jacking cylinder (6) and supporting leg (7), its characterized in that: a lower fixing plate (3) is arranged on the bottom plate (1) through supporting legs (7), an upper fixing plate (2) is arranged above the lower fixing plate (3), guide rods (8) are symmetrically arranged between the upper fixing plate (2) and the lower fixing plate (3), one end of each guide rod (8) is fixedly connected with the upper fixing plate (2), and the other end of each guide rod (8) penetrates through the lower fixing plate (3) and extends to the outer side; the jacking device is characterized in that a reset spring (10) is sleeved on a guide rod (8) between an upper fixing plate (2) and a lower fixing plate (3), the reset spring (10) is in contact connection with the upper fixing plate (2) and the lower fixing plate (3), a female die assembly is arranged on the upper fixing plate (2) between the guide rods (8), a male die head (4) is arranged on the lower fixing plate (3) corresponding to the female die assembly, a jacking plate (5) is sleeved on the male die head (4), jacking cylinders (6) are symmetrically arranged on the lower fixing plate (3) between supporting legs (7), and piston rods of the jacking cylinders (6) penetrate through the lower fixing plate (3) and the jacking plate (5) to be fixedly connected.
2. The drawing die for a metal shell-type workpiece according to claim 1, wherein: the die assembly comprises a die body (11), a limiting ring plate (12) and a ceramic ring plate (13), a die groove (17) is formed in the center of the lower end face of the die body (11), the limiting ring plate (12) is installed on the lower end face of the die body (11) through bolts, the ceramic ring plate (13) is sleeved in the limiting ring plate (12), the limiting ring plate (12) is in interference fit with the ceramic ring plate (13), the inner ring section size of the ceramic ring plate (13) corresponds to the cross section size of the die groove (17) of the die body (11), and the die body (11) is fixedly connected with an upper fixing plate (2).
3. A drawing die for a metal shell-type workpiece according to claim 2, wherein: the outer circle surface of the ceramic ring plate (13) is in a slope shape.
4. A drawing die for a metal shell-type workpiece according to claim 2, wherein: the limiting ring plate (12) is a circular ring plate, and the inner ring surface of the limiting ring plate (12) is in a slope shape.
5. The drawing die for a metal shell-type workpiece according to claim 1, wherein: the upper fixing plate (2) and the lower fixing plate (3) are both rectangular plate-shaped bodies.
6. The drawing die for a metal shell-type workpiece according to claim 1, wherein: the ejection plate (5) is in a ring plate shape, the upper surface of the ejection plate (5) is provided with a workpiece positioning groove (14), the center of the workpiece positioning groove (14) is provided with an assembling hole (15), and the cross section size of the assembling hole (15) of the ejection plate (5) corresponds to the cross section size of the convex die head (4) in a matched mode.
7. The drawing die for a metal shell-type workpiece according to claim 1, wherein: and a limiting rod (16) is fixedly arranged on the lower fixing plate (3) on one side of the guide rod (8), and the limiting rod (16) is in intermittent contact connection with the upper fixing plate (2).
8. The drawing die for a metal shell-type workpiece according to claim 1, wherein: the end of the guide rod (8) extending to the outer side of the fixing plate is provided with a limiting boss (9), and the limiting boss (9) is in intermittent contact connection with the lower fixing plate (3).
CN202022507943.7U 2020-11-03 2020-11-03 Drawing die for metal shell workpieces Active CN213645613U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022507943.7U CN213645613U (en) 2020-11-03 2020-11-03 Drawing die for metal shell workpieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022507943.7U CN213645613U (en) 2020-11-03 2020-11-03 Drawing die for metal shell workpieces

Publications (1)

Publication Number Publication Date
CN213645613U true CN213645613U (en) 2021-07-09

Family

ID=76705203

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022507943.7U Active CN213645613U (en) 2020-11-03 2020-11-03 Drawing die for metal shell workpieces

Country Status (1)

Country Link
CN (1) CN213645613U (en)

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