Modeling mold for press machine

Abstract

The utility model relates to the technical field of part forming, in particular to a molding die for a press machine, which comprises a press machine main body, one end of a hydraulic cylinder of the press machine main body is fixedly connected with a hoisting pressing plate, the center of the bottom surface of the hoisting pressing plate is fixedly connected with a die hoisting seat, and a molding die is arranged below the die hoisting seat. The modeling mold comprises an upper mold cylinder and a lower mold base; in the stamping process, the spherical groove making contact with a stamping part firstly can overcome the elastic acting force of the spring under the action of continuously-output pressure and is locally hidden in the upper die barrel, and after the spherical groove and the spherical protruding block are completely matched, stamping forming of the device on the spherical part is achieved; the spring losing extrusion force provides elastic acting force for resetting the upper die pressing head in the resetting process of the upper die barrel body, the part cannot be clamped with the upper die barrel body and the spherical groove after the upper die barrel body is reset, the process that an external device assists in demolding is omitted, and then the machining efficiency of the modeling die is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of part forming, and particularly relates to a molding die for a press. BACKGROUND

[0002] The press is a kind of general mechanical equipment with exquisite structure, which can be used for cutting, punching, blanking, bending, riveting and forming and the like, and through the driving of a motor, metal blanks are plastically deformed and broken under strong pressure, so as to be processed into required parts, and the press has high working efficiency and is an important equipment indispensable in manufacturing industry.

[0003] At present, in the prior art, the press provides stamping force for the molding process of the stamping forming part, and the molding die for the spherical part is mostly of integral structure, and the formed part is easily clamped in the upper die groove, so that an external device is needed to assist in demolding, thereby affecting the forming efficiency of the molding die.

[0004] Therefore, the molding die for the press is provided for the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, solve the problem that the molding die for the spherical part is mostly of integral structure, the formed part is easily clamped in the upper die groove, an external device is needed to assist in demolding, and the forming efficiency of the molding die is affected, and a molding die for a press is provided.

[0006] The utility model discloses a molding die for a press, which solves the technical problems thereof by adopting the technical scheme that the molding die for the press comprises a press main body, a lifting pressing plate is fixedly connected to one end of a hydraulic cylinder of the press main body, a die lifting seat is fixedly connected to the bottom surface center of the lifting pressing plate, a molding die is arranged below the die lifting seat, the molding die comprises an upper die cylinder body and a lower die base, a first limiting ring is fixedly connected to the inner wall near the bottom edge of the upper die cylinder body, a plurality of arc surface lifting blocks are fixedly connected to the top surface of the upper die cylinder body, the top surface threaded holes of the plurality of arc surface lifting blocks and the through holes of the die lifting seat are connected through bolts, and a molding assembly is installed in the upper die cylinder body.

[0007] Preferably, the molding assembly comprises an upper die pressing head, a transition block and a spring, and the outer concave wall of the upper die pressing head and the inner convex wall of the first limiting ring are mutually clamped.

[0008] Preferably, a second limiting ring is fixedly connected to the upper wall of the outer wall of the upper die pressing head, and the bottom surface of the second limiting ring is in contact with the top surface of the first limiting ring.

[0009] Preferably, a spherical recess is formed at the center of the bottom surface of the upper die head, and a convex circular table is fixed at the center of the top surface of the upper die head, with the outer wall of the convex circular table and the inner wall of one end of the spring being mutually sleeved.

[0010] Preferably, the top recess of the transition block and the bottom surface protrusion of the mold hoisting seat are mutually clamped, and the bottom surface circular table of the transition block and the inner wall of the other end of the spring are mutually sleeved.

[0011] Preferably, the lower die base is fixed to the top surface of the workbench of the press main body, and the axis of the lower die base is coincident with the axis of the upper die cylinder.

[0012] Preferably, a spherical protrusion is fixed to the top surface of the lower die base, and the outer wall of the spherical protrusion and the spherical recess are mutually adapted.

[0013] Preferably, a plurality of pressure relief grooves are formed above the outer wall of the lower die base, and the plurality of pressure relief grooves are formed along the circumferential direction of the lower die base.

[0014] The utility model discloses a beneficial effect:

[0015] In the utility model, the modeling mold is installed through the cooperation between the press main body workbench and the hoisting pressing plate between the cylinder output end, and the spherical part can be formed by stamping between the spherical protrusion of the modeling mold and the spherical recess of the modeling assembly, wherein the modeling assembly filled in the upper die cylinder provides the elastic force for the upper die head away from the transition block through the spring, the spherical recess first contacted with the stamping part in the stamping process can overcome the elastic force of the spring under the continuous output pressure and be partially hidden in the upper die cylinder, when the spherical recess and the spherical protrusion are completely adapted, the stamping forming of the device to the spherical part is realized, the spring loses the extrusion force in the process of the upper die cylinder resetting, provides the elastic force for the reset of the upper die head, and after the upper die cylinder resets, the part does not jam with the upper die cylinder and the spherical recess, the process of the external device auxiliary demolding is omitted, and the processing efficiency of the modeling mold is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model. In the drawings:

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the perspective view of the hoisting pressing plate and the modeling mold cooperation in the utility model;

[0019] Figure 3is a perspective view of the mold hoisting seat and the upper mold cylinder body split in the utility model;

[0020] Figure 4 is a perspective view of the upper mold cylinder body partially cut in the utility model;

[0021] Figure 5 is a perspective view of the upper mold cylinder body and the molding assembly split in the utility model;

[0022] Legend:

[0023] 1, press main body;11, hoisting pressing plate;12, mold hoisting seat;2, molding mold;21, upper mold cylinder body;22, lower mold base;211, first limit ring;212, arc hoisting block;3, molding assembly;31, upper mold pressing head;32, transition block;33, spring;311, second limit ring;312, spherical groove;313, convex round table;221, spherical convex block;222, pressure relief groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] The specific embodiments are given below.

[0026] Please refer to Figure 1 - Figure 5The utility model provides a molding die for press, including press main body 1, the one end of hydraulic press cylinder of press main body 1 is fixedly connected with hoisting pressure plate 11, hoisting pressure plate 11's bottom surface center is fixedly connected with mould hoisting seat 12, the below of mould hoisting seat 12 is provided with molding die 2, molding die 2 includes upper die cylinder body 21 and lower mould base 22, the inner wall of upper die cylinder body 21 is fixedly connected with first limit ring 211 near the bottom edge, the top of upper die cylinder body 21 is fixedly connected with a plurality of arc surface hoisting blocks 212, the threaded hole of a plurality of arc surface hoisting blocks 212's top and the through -hole of mould hoisting seat 12 are connected through bolt, the inside of upper die cylinder body 21 is installed with molding assembly 3, press main body 1 passes through the telescopic control of its belonging hydraulic cylinder and controls the lifting of hoisting pressure plate 11, and the mould hoisting seat 12 of hoisting molding die 2 belonging upper die cylinder body 21 is installed below hoisting pressure plate 11, this makes press main body 1 can control the relative height of upper die cylinder body 21 in a certain range, the bolt is screwed after the through -hole of mould hoisting seat 12, and the threaded hole of arc surface hoisting block 212 is screwed, and then the hoisting of mould hoisting seat 12 to upper die cylinder body 21 is realized, the molding assembly 3 installed in upper die cylinder body 21 is limited under the limiting action of first limit ring 211 and realizes the stamping forming of part through the cooperation with lower mould base 22.

[0027] As Figure 2 , Figure 4 and Figure 5 Indicated, molding assembly 3 includes upper die head 31, transition block 32 and spring 33, the outer concave wall of upper die head 31 and the inner convex wall of first limit ring 211 are mutually engaged, the outer wall of upper die head 31 is fixedly connected with second limit ring 311 above, the bottom surface of second limit ring 311 and the top surface of first limit ring 211 contact, the bottom surface center of upper die head 31 is provided with spherical recess 312, the top surface center of upper die head 31 is fixedly connected with convex round table 313, the outer wall of convex round table 313 and the inner wall of one end of spring 33 are mutually sleeved, the top recess of transition block 32 and the bottom surface convex block of mould hoisting seat 12 are mutually engaged, the bottom surface round table of transition block 32 and the inner wall of the other end of spring 33 are mutually sleeved, after upper die head 31 is installed in upper die cylinder body 21, second limit ring 311 and first limit ring 211 are mutually limited, prevent upper die head 31 and upper die cylinder body 21 from mutually separating, while the mutually engaged mode between the inner convex wall of first limit ring 211 and the outer concave wall of upper die head 31 makes that upper die cylinder body 21 and upper die head 31 will not relatively rotate, and after convex round table 313 limits spring 33, the other end of spring 33 and the bottom surface convex platform of transition block 32 are mutually engaged, at this moment, the top recess of transition block 32 and the bottom surface convex block of mould hoisting seat 12 are mutually engaged, at this moment, the part of molding assembly 3 belonging will fill the cavity in upper die cylinder body 21 completely, and make upper die head 31 can move up in a certain range by overcoming the elastic action of spring 33.

[0028] As Figure 2 And Figure 3 As shown in the drawings, the lower die base 22 is fixed to the workbench top surface of the press body 1, the axis of the lower die base 22 coincides with the axis of the upper die cylinder 21, the top surface of the lower die base 22 is fixed with a spherical convex block 221, the outer wall of the spherical convex block 221 is matched with the spherical concave groove 312, a plurality of pressure relief grooves 222 are provided above the outer wall of the lower die base 22, the plurality of pressure relief grooves 222 are provided along the outer peripheral direction of the lower die base 22, the workbench of the press body 1 installs the lower die base 22, the axis of the lower die base 22 coincides with the axis of the upper die cylinder 21, at this time the spherical convex block 221 is located directly below the spherical concave groove 312, when the spherical convex block 221 is pressed down with the upper die cylinder 21, the spherical convex block 221 can gradually match with the spherical concave groove 312 and the spherical molding of the pressing plate between the upper die cylinder 21 and the lower die base 22, and the pressure relief grooves 222 can keep the air pressure stability between the two surfaces during the process of the pressing plate being molded and gradually adhering to the top surface of the lower die base 22, preventing the parts from being molded and adhering to the lower die base 22, the spring loses the extrusion force during the process of the upper die cylinder 21 returning; 33 provides elastic force for the upper die head 31 to reset, and after the upper die cylinder 21 resets, the parts will not be jammed with the upper die cylinder 21 and the spherical concave groove 312, and the process of external device assisted demolding is omitted.

[0029] Working principle: the press body 1 controls the lifting of the lifting press plate 11 through the extension and contraction of the hydraulic cylinder, the mold lifting seat 12 for lifting the upper mold cylinder 21 of the molding mold 2 is installed below the lifting press plate 11, which enables the press body 1 to control the relative height of the upper mold cylinder 21 within a certain range, the bolt is screwed with the threaded hole on the arc lifting block 212 after penetrating the through hole on the mold lifting seat 12, thereby realizing the lifting of the mold lifting seat 12 to the upper mold cylinder 21, the molding assembly 3 installed in the upper mold cylinder 21 is limited by the first limiting ring 211 and realizes the stamping forming of the part by cooperating with the lower mold base 22, the second limiting ring 311 and the first limiting ring 211 are limited after the upper die head 31 is installed in the upper mold cylinder 21, which prevents the upper die head 31 from being separated from the upper mold cylinder 21, and at the same time, the upper mold cylinder 21 and the upper die head 31 are prevented from rotating relative to each other in the form of mutual engagement between the inner convex wall of the first limiting ring 211 and the outer concave wall of the upper die head 31, and after the convex circular cone 313 limits the spring 33, the other end of the spring 33 and the bottom surface boss of the transition block 32 are mutually engaged, at this time, the top surface groove of the transition block 32 and the bottom surface boss of the mold lifting seat 12 are mutually engaged, at this time, the part of the molding assembly 3 completely fills the cavity in the upper mold cylinder 21, and the upper die head 31 can be lifted within a certain range by overcoming the elastic action of the spring 33, the axis of the lower mold base 22 coincides with the axis of the upper mold cylinder 21 after the workbench of the press body 1 installs the lower mold base 22, at this time, the spherical boss 221 is located directly below the spherical groove 312, when the spherical boss 221 follows the overall downward pressure of the upper mold cylinder 21, the spherical boss 221 can gradually completely adapt to the spherical groove 312 and perform spherical molding on the stamping plate between the upper mold cylinder 21 and the lower mold base 22, and in this process, the pressure relief groove 222 can keep the air pressure stability between the two surfaces during the process of the stamping plate being molded and gradually completely adhering to the top surface of the lower mold base 22, preventing the part from being engaged with the lower mold base 22 after molding, the spring 33 loses the extrusion force during the restoration of the upper mold cylinder 21, providing elastic force for the reset of the upper die head 31, and after the upper mold cylinder 21 is reset, the part will not be engaged with the upper mold cylinder 21 and the spherical groove 312, and the process of external device assisted demolding is omitted.

[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A molding mold for a press machine, characterized by: The utility model relates to a molding device, including the press main part (1), one end of the hydraulic cylinder of press main part (1) is fixedly connected with the hoisting pressing plate (11), the bottom surface center of hoisting pressing plate (11) is fixedly connected with the mould hoisting seat (12), the lower portion of mould hoisting seat (12) is provided with the modeling mould (2), the modeling mould (2) includes the upper die cylinder (21) and lower die base (22), the inner wall of upper die cylinder (21) is fixedly connected with the first limit ring (211) near the bottom edge, the top of upper die cylinder (21) is fixedly connected with a plurality of arc surface hoisting blocks (212), the top surface threaded hole of a plurality of arc surface hoisting blocks (212) and the through -hole of mould hoisting seat (12) are connected through bolt, and the inside of upper die cylinder (21) is installed with modeling assembly (3).

2. A molding die for a press machine according to claim 1, characterized by: The utility model relates to a molding device, including the press main part (1), one end of the hydraulic cylinder of press main part (1) is fixedly connected with the hoisting pressing plate (11), the bottom surface center of hoisting pressing plate (11) is fixedly connected with the mould hoisting seat (12), the lower portion of mould hoisting seat (12) is provided with the modeling mould (2), the modeling mould (2) includes the upper die cylinder (21) and lower die base (22), the inner wall of upper die cylinder (21) is fixedly connected with the first limit ring (211) near the bottom edge, the top of upper die cylinder (21) is fixedly connected with a plurality of arc surface hoisting blocks (212), the top surface threaded hole of a plurality of arc surface hoisting blocks (212) and the through -hole of mould hoisting seat (12) are connected through bolt, and the inside of upper die cylinder (21) is installed with modeling assembly (3).

3. A molding die for a press machine according to claim 2, characterized in that: The outer wall of upper die head (31) is fixedly connected with the second limit ring (311) above, and the bottom surface of second limit ring (311) is in contact with the top surface of first limit ring (211).

4. A molding die for a press machine according to claim 3, characterized in that: The bottom surface center of upper die head (31) is provided with spherical groove (312), and the top surface center of upper die head (31) is fixedly connected with convex circular table (313), and the outer wall of convex circular table (313) and the inner wall of one end of spring (33) are mutually sleeved.

5. A molding die for a press machine according to claim 4, characterized in that: The top groove of transition block (32) and the bottom surface convex block of mould hoisting seat (12) are mutually clamped, and the bottom surface circular table of transition block (32) and the inner wall of the other end of spring (33) are mutually sleeved.

6. The molding die for a press according to claim 1, characterized by: The top surface of lower die base (22) is fixedly connected with spherical convex block (221), and the outer wall of spherical convex block (221) and spherical groove (312) are mutually adapted.

7. A molding die for a press machine according to claim 6, characterized in that: A plurality of pressure relief grooves (222) are arranged above the outer wall of lower die base (22), and a plurality of pressure relief grooves (222) are arranged along the outer circumferential direction of lower die base (22) and are equally divided by angle.

8. A molding die for a press machine according to claim 7, characterized in that: ​

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