Forging and pressing die special for 316H austenitic stainless steel plate

Abstract

The utility model provides a forging die special for a 316H austenitic stainless steel plate, and relates to the field of forging dies. The lower die comprises a lower die body, pushing assemblies and a stress plate assembly are installed in the lower die body through inner grooves, the two pushing assemblies are symmetrically arranged, the pushing assemblies are of long-strip-shaped structures, stress block assemblies are slidably installed outside the pushing assemblies through sliding grooves, and the outer ends of the stress block assemblies with the inner ends of T-shaped structures are of circular structures. The outer end of the stress block assembly is embedded into the guide groove, after the upper die and the connecting plate structure ascend, the stress block assembly is firstly stressed to move in the guide groove, force for preliminarily controlling the pushing assembly to ascend is generated, the pushing assembly is driven to ascend to return materials by means of the ascending force of the upper die, the material returning efficiency is improved, elastic material returning by means of a spring is not needed, and the labor intensity of workers is reduced. The forging and pressing die solves the problem that a common forging and pressing die special for 316H austenitic stainless steel plates usually retreats materials by means of elasticity of a spring when the plates are retreated, and if the plates are clamped, the material retreating effect is limited.

Description

TECHNICAL FIELD

[0001] The utility model relates to forging die technical field especially relates to 316H austenitic stainless steel sheet special forging die. BACKGROUND

[0002] 316H austenitic stainless steel sheet is a kind of stainless steel material with excellent performance, mainly used in nuclear power and other key equipment manufacturing, its chemical composition includes chromium, nickel and molybdenum, with high corrosion resistance and high temperature strength, and 316H austenitic stainless steel sheet needs to be processed using 316H austenitic stainless steel sheet special forging die when being forged and pressed, 316H austenitic stainless steel sheet special forging die refers to the tool for forming stainless steel sheet in the forging process, mainly used for processing stainless steel sheet into the parts of required shape and size, forging die usually includes stamping die and extrusion die, for cold forging forming, commonly used in mechanical plastic forming process, forging die can be divided into stamping die and extrusion die, and extrusion die is used to form metal blank through the extrusion of die, and the common 316H austenitic stainless steel sheet special forging die on the market, when the upper die is connected with the connecting plate structure, multiple bolts need to be connected together, and it is relatively laborious and complicated to disassemble and maintain or assemble, and when the sheet is returned, spring elasticity is usually used to return material, and if the sheet is clamped, the returning effect is limited. SUMMARY

[0003] The connecting plate structure drives the upper die to be connected with the forging equipment, the connecting plate structure and the upper die are connected together, the protrusion of the upper die is inserted into the insertion hole, the splicing block is inserted into the side piece structure and the inside of the upper die, and then a single bolt is used to fix a single splicing block, so that the connecting plate structure and the upper die are quickly fixed together, and the connection effect and the connection strength can be guaranteed, so that the efficiency can be improved when the connecting plate structure and the upper die are assembled or disassembled.

[0004] In the first aspect, a 316H austenitic stainless steel sheet special forging die is provided, which specifically includes: a lower die body; the lower die body is installed in the inside of the forging equipment through bolts, and the inside of the lower die body is provided with a pushing assembly and a stress plate assembly through an inner groove, two pushing assemblies are symmetrically arranged, the pushing assembly is in a long strip structure, the outside of the pushing assembly is slidably provided with a stress block assembly through a sliding groove, the stress block assembly is in a T-shaped structure at the inner end and a circular structure at the outer end; a connecting plate structure; the connecting plate structure and the upper die are installed above the lower die body, the connecting plate structure is installed above the upper die, the connecting plate structure is embedded with a splicing block through a side piece structure, the inner end of the splicing block is inserted into the inside of the upper die, and the splicing block is connected with the side piece structure through bolts.

[0005] In at least some embodiments, the inner top end of the lower die body is provided with a forming groove, the upper inner side of the lower die body is provided with two inner grooves, the inner sides of the inner grooves are communicated with the inner side of the forming groove; the two sides of the lower die body are respectively provided with two side grooves, the inner sides of the side grooves are communicated with the inner grooves, one guide is fixed in the inner side of each side groove, the bottom of the guide with a cylindrical top end is rectangular, a spring is sleeved on the outer side of the top end of the guide; the inner side of the inner groove is inserted with a pushing assembly which can be freely pulled out of the inner groove, the outer side of the pushing assembly is fixed with two stress plate assemblies, the stress plate assemblies are inserted into the inner side of the side groove, the guide penetrates through the stress plate assemblies, the top end of the spring is in contact with the bottom of the stress plate assembly and continuously pushes the stress plate assembly upwards, the outer side of the stress plate assembly is provided with a T-shaped sliding groove.

[0006] In at least some embodiments, the top end of the connecting plate structure is connected with the inner side of the forging die through bolts, one insertion hole is respectively formed in the two ends of the connecting plate structure, and a side piece structure is welded and fixed on the outer end of the insertion hole; the top end of the upper die is provided with a protruding block, the protruding block is inserted into the inner side of the insertion hole, two splicing grooves are respectively formed in the two ends of the upper die; an insertion head structure is inserted into the inner side of the T-shaped splicing groove, the outer side of the insertion head structure is welded and fixed with an outer plate structure, a guide groove is formed in the bottom end of the outer plate structure, and the top end of the guide groove is in an inclined structure; after the upper die and the connecting plate structure move downwards, the stress block assembly is inserted into the inner side of the guide groove.

[0007] The utility model provides a special forging die for 316H austenitic stainless steel plate material has following beneficial effect:

[0008] When the connecting plate structure drives the upper die to be connected with the forging equipment, the connecting plate structure and the upper die need to be connected together, when the connecting plate structure and the upper die are connected, the protruding block of the upper die can be inserted into the inner side of the insertion hole, then the splicing block is controlled to be inserted into the inner side of the side piece structure and the upper die, then a single splicing block is fixed through a single bolt, so that the connecting plate structure and the upper die are quickly fixed together, and the connection effect and the connection strength can be guaranteed, so that when the connecting plate structure and the upper die are assembled or disassembled, the efficiency can be improved.

[0009] When stamping, the upper die and the connecting plate structure drive the outer plate structure to move downwards together, so that the outer end of the stress block assembly is embedded into the inner side of the guide groove, after compaction, the outer plate structure drives the stress block assembly, the stress plate assembly and the pushing assembly to move downwards together, so that the pushing assembly is automatically retracted, the forging effect is avoided to be affected, after the upper die and the connecting plate structure rise, the stress block assembly is first stressed to move in the inner side of the guide groove, the power of initially controlling the pushing assembly to rise is generated, the rising power of the upper die is used to drive the pushing assembly to rise and retreat material, the material retreat efficiency is improved, the spring elasticity is not needed to be used to retreat material, and the raw material is avoided to be stuck. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced as follows.

[0011] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0012] In the drawings:

[0013] Figure 1 A three-dimensional structural schematic diagram of the present application is shown;

[0014] Figure 2 An exploded three-dimensional structural schematic diagram of the present application is shown;

[0015] Figure 3 An exploded bottom view structural schematic diagram of the present application is shown;

[0016] Figure 4 A lower mold body exploded three-dimensional structural schematic diagram of the present application is shown;

[0017] Figure 5 A connecting plate structure exploded three-dimensional structural schematic diagram of the present application is shown;

[0018] Figure 6 A connecting plate structure exploded bottom view structural schematic diagram of the present application is shown;

[0019] List of reference signs

[0020] 1, lower mold body; 101, forming groove; 102, inner groove; 103, side groove; 104, guide; 105, pushing assembly; 106, stress plate assembly; 107, sliding groove; 108, stress block assembly;

[0021] 2, connecting plate structure; 201, insertion hole; 202, side piece structure; 203, splicing block; 204, upper mold; 205, splicing groove; 206, insertion head structure; 207, outer plate structure; 208, guide groove. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be clearly and completely described below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Embodiment one: please refer to Figures 1 to 6 :

[0024] The utility model discloses a 316H austenitic stainless steel plate special forging die, comprising: lower mould body 1, lower mould body 1 is installed in the forging equipment inside through bolt, the inside of lower mould body 1 is installed with push assembly 105 and force plate assembly 106 through inner groove 102, two push assembly 105 are symmetrically set up, push assembly 105 is long strip structure, can increase the material area of withdrawal, improves the material efficiency of withdrawal, the outside of push assembly 105 is slidably installed with force block assembly 108 through chute 107, the outer end of force block assembly 108 is circular structure for T-shaped structure, make the outer end of force block assembly 108 move in the inside of guide groove 208, make upper die 204 rise, drive force block assembly 108 and push assembly 105 to rise, directly push raw material to rise and withdraw; Connecting plate structure 2, connecting plate structure 2 and upper die 204 are installed above lower mould body 1, connecting plate structure 2 is installed above upper die 204, connecting plate structure 2 is embedded with splicing block 203 through side piece structure 202, the inner end of splicing block 203 is inserted in the inside of upper die 204 simultaneously, splicing block 203 is connected with side piece structure 202 through bolt, make a single bolt fixed single splicing block 203, splicing block 203 connects side piece structure 202 and connecting plate structure 2 together with upper die 204, improve the convenience of assembly or disassembly, convenient maintenance.

[0025] In the embodiment of the present disclosure, as shown in Figure 3 With Figure 4 The inside top of lower mould body 1 is provided with a forming groove 101, and the forging is formed in the inside of the forming groove 101, and two inner grooves 102 are provided on the upper inside of the lower mould body 1, the inside of the inner groove 102 is communicated with the inside of the forming groove 101, so that the push assembly 105 is guided to displace in the inside thereof; two side grooves 103 are respectively provided on the two sides of the lower mould body 1, so that the force plate assembly 106 is guided to displace in the inside thereof, the inside of the side groove 103 is communicated with the inner groove 102, and one guide 104 is fixed in the inside of each side groove 103, so as to control the upward and downward guided displacement of the force plate assembly 106, the guide 104 is in a cylindrical structure at the top and in a rectangular structure at the bottom, and a spring is sleeved on the outside of the top of the guide 104; the push assembly 105 is inserted in the inside of the inner groove 102 and can be freely pulled out in the inside of the inner groove 102, two force plate assemblies 106 are fixed on the outside of the push assembly 105, the force plate assembly 106 is inserted in the inside of the side groove 103, the guide 104 penetrates the force plate assembly 106, the top of the spring is in contact with the bottom of the force plate assembly 106, and the force plate assembly 106 is continuously pushed upward, and the outside of the force plate assembly 106 is provided with a T-shaped chute 107, so that the force block assembly 108 can be guided to slide and displace.

[0026] In the embodiment of the present disclosure, as shown in Figure 5 With Figure 6As shown, the top end of the connecting plate structure 2 is connected to the inside of the forging die through bolts, and a jack 201 is arranged at each end of the connecting plate structure 2 to insert the protrusion of the upper die 204, and the outer end of the jack 201 is welded with a side piece structure 202; the top end of the upper die 204 is provided with a protrusion which is inserted into the inside of the jack 201 for positioning and splicing, and two splicing grooves 205 are arranged at the two ends of the upper die 204 for installing the insertion head structure 206; the splicing groove 205 of the T-shaped structure is inserted with the insertion head structure 206, and the outside of the insertion head structure 206 is welded with the outer plate structure 207 to be fixedly connected with the outer plate structure 207, and the bottom end of the outer plate structure 207 is provided with a guide groove 208, and the top end of the guide groove 208 is an inclined structure; after the upper die 204 and the connecting plate structure 2 move downward, the stress block assembly 108 is inserted into the inside of the guide groove 208 to control the movement of the stress block assembly 108 and the pushing assembly 105 together.

[0027] The working principle of the embodiment is as follows: when the 316H austenitic stainless steel plate needs to be forged, the connecting plate structure 2 and the upper die 204 are spliced in advance, then the splicing block 203 is inserted into the inside of the side piece structure 202 and the upper die 204, the splicing block 203 is fixed by bolts, a small number of bolts can control the connection of the connecting plate structure 2 and the upper die 204 for use, which is convenient for maintenance or installation, then the lower die body 1, the connecting plate structure 2 and the upper die 204 are connected with the forging equipment respectively, then the 316H austenitic stainless steel plate to be forged is placed above the lower die body 1, the forging equipment is controlled to operate, the upper die 204 moves downward, the outer end of the stress block assembly 108 is inserted into the inside of the guide groove 208, when the outer end of the stress block assembly 108 moves to the end of the guide groove 208, the stress block assembly 108, the stress plate assembly 106 and the pushing assembly 105 move downward together, and the 316H austenitic stainless steel plate is forged and formed at the same time, after the forging is completed, the upper die 204 rises, the stress block assembly 108 and the pushing assembly 105 are pulled up together by the guide groove 208, and the 316H austenitic stainless steel plate is pushed out of the die by the moving force of the upper die 204, thereby improving the material removal efficiency.

[0028] In this paper, the following points need to be noted:

[0029] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0030] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0031] The above merely describes specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. Forging dies for 1.316H austenitic stainless steel plates, including: The lower die body (1) is bolted inside the forging equipment. The lower die body (1) is characterized by having a pushing assembly (105) and a force-bearing plate assembly (106) installed inside the lower die body (1) via an inner groove (102). The two pushing assemblies (105) are symmetrically arranged. Each pushing assembly (105) has a long strip structure. A force-bearing block assembly (108) is slidably installed outside the pushing assembly (105) via a sliding groove (107). The inner end of the force-bearing block assembly has a T-shaped structure. (108) The outer end is a circular structure; connecting plate structure (2); the connecting plate structure (2) and the upper mold (204) are installed together on the upper mold body (1), the connecting plate structure (2) is installed on the upper mold (204), the connecting plate structure (2) is embedded through the side member structure (202) and the splicing block (203) is inserted into the upper mold (204) at the same time, and the splicing block (203) is connected to the side member structure (202) by bolts.

2. The forging die for 316H austenitic stainless steel sheet according to claim 1, characterized in that, The lower mold body (1) has a forming groove (101) at its top interior. The lower mold body (1) has two inner grooves (102) at its upper interior, and the interior of the inner grooves (102) is connected to the interior of the forming groove (101).

3. The forging die for 316H austenitic stainless steel sheet according to claim 2, characterized in that, The lower mold body (1) has two side grooves (103) on both sides. The inside of the side groove (103) is connected to the inner groove (102). A guide (104) is fixed inside each side groove (103). The guide (104) has a cylindrical structure at the top and a rectangular structure at the bottom. A spring is fitted on the outside of the top of the guide (104).

4. The forging die for 316H austenitic stainless steel sheet according to claim 3, characterized in that, A pushing component (105) is inserted inside the inner groove (102) and can be freely pulled out inside the inner groove (102). Two force plate components (106) are fixed to the outside of the pushing component (105). The force plate components (106) are inserted into the side groove (103). The guide (104) passes through the force plate components (106). The top of the spring contacts the bottom of the force plate components (106) and continuously pushes the force plate components (106) to rise. A T-shaped groove (107) is opened on the outside of the force plate components (106).

5. The forging die for 316H austenitic stainless steel sheet according to claim 4, characterized in that, The top of the connecting plate structure (2) is connected to the inside of the forging die by bolts. A socket (201) is opened through both ends of the connecting plate structure (2). A side member structure (202) is welded and fixed to the outer end of the socket (201).

6. The forging die for 316H austenitic stainless steel sheet according to claim 5, characterized in that, The top of the upper mold (204) is provided with a protrusion, which is inserted into the interior of the insertion hole (201). Two splicing grooves (205) are respectively opened at both ends of the upper mold (204).

7. The forging die for 316H austenitic stainless steel sheet according to claim 6, characterized in that, An insert head structure (206) is inserted inside the splicing groove (205) of the T-shaped structure. The outside of the insert head structure (206) is welded and fixed to the outer plate structure (207). A guide groove (208) is opened at the bottom of the outer plate structure (207). The top of the guide groove (208) is an inclined structure. After the upper mold (204) and the connecting plate structure (2) move downward, the force block assembly (108) is inserted into the inside of the guide groove (208).

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