阅读说明：本技术 一种挤压模具 (Extrusion die ) 是由 宋余平 于 2020-06-23 设计创作，主要内容包括：本发明公开了一种挤压模具,其结构包括挤压平台、液压轴、模具槽、固定座、定位杆,挤压平台通过定位杆嵌套卡合在模具槽的正上方,液压轴通过电焊连接在挤压平台上端表面的正中心,模具槽嵌固安装在固定座的正上方,固定座位于液压轴的正下方,定位杆对称安装在固定座上端左右两侧,在使用时通过弹簧的弹性将传递力均匀的平衡板上,在挤压的同时通过螺纹环内的配合块与第二连接槽的间隙配合,使力传递时通过分流传递,减少力之间的相互干扰,避免受力不均时造成成品厚度不一的问题。(The invention discloses an extrusion die which structurally comprises an extrusion platform, a hydraulic shaft, a die groove, a fixed seat and a positioning rod, wherein the extrusion platform is embedded and clamped right above the die groove through the positioning rod, the hydraulic shaft is connected to the right center of the upper end surface of the extrusion platform through electric welding, the die groove is embedded and fixedly arranged right above the fixed seat, the fixed seat is positioned right below the hydraulic shaft, the positioning rod is symmetrically arranged on the left side and the right side of the upper end of the fixed seat, when the extrusion die is used, the force is transmitted uniformly on a balance plate through the elasticity of a spring, and when the extrusion die is used, the force is transmitted through shunting through the clearance fit of a matching block in a threaded ring and a second connecting groove, so that the mutual interference among the forces is reduced, and the problem of different thicknesses of finished products.)

1. An extrusion die structurally comprises an extrusion platform (1), a hydraulic shaft (2), a die groove (3), a fixed seat (4) and a positioning rod (5), wherein the extrusion platform (1) is embedded and clamped right above the die groove (3) through the positioning rod (5), the hydraulic shaft (2) is connected to the center of the upper end surface of the extrusion platform (1) through electric welding, the die groove (3) is embedded and fixedly installed right above the fixed seat (4), the fixed seat (4) is located right below the hydraulic shaft (2), and the positioning rod (5) is symmetrically installed on the left side and the right side of the upper end of the fixed seat (4); the method is characterized in that:

extrusion platform (1) includes balancing piece (11), spread groove (12), spring (13), inlays solid board (14), rubber layer (15), connecting plate (16), the outside terminal surface at spread groove (12) is installed in parcel is inlayed in balancing piece (11), hydraulic shaft (2) are being connected through threaded connection in spread groove (12), spring (13) evenly distributed is at the upper end surface of connecting plate (16), inlay solid board (14) and inlay solid and connect under connecting plate (16), inlay on rubber layer (15) and connect and inlay solid board (14) directly over and laminate mutually with connecting plate (16).

2. The extrusion die of claim 1, wherein the embedded plate (14) comprises a convex block (141), a bearing ring (142) and an embedded block (143), the convex block (141) is embedded and clamped and connected on the lower end surface of the connecting plate (16), the bearing ring (142) is uniformly wrapped on the peripheral end surface of the convex block (141), and the embedded blocks (143) are symmetrically arranged on the left side and the right side of the convex block (141).

3. The extrusion die of claim 2, wherein the bearing ring (142) comprises a threaded ring (2 a), an embedded row of lines (2 b) and a fixing block (2 c), the outer end face of the threaded ring (2 a) is uniformly wrapped around the embedded row of lines (2 b), the inner end face of the threaded ring is connected with the protruding block (141), the outer end face of the embedded row of lines (2 b) is attached to the inner end face of the embedded plate (14), the fixing block (2 c) is fixedly installed at the end face of the bearing ring (142), and the embedded row of lines (2 b) are uniformly distributed on the outer end face of the threaded ring (2 a) in a matrix manner.

4. An extrusion die according to claim 3, said threaded ring (2 a) comprising a filling layer (2 a 1), a mating block (2 a 2), a second connecting groove (2 a 3), a ring-shaped strip (2 a 4), said filling layer (2 a 1) being located on the upper end face of said ring-shaped strip (2 a 4), said mating block (2 a 2) being located on the right side of said second connecting groove (2 a 3) and being parallel thereto, said second connecting groove (2 a 3) being located on the left outer end face of said ring-shaped strip (2 a 4).

5. The extrusion die of claim 1, wherein the rubber layer (15) comprises flexible split blocks (151), second mosaic blocks (152), fixing blocks (153) and a fitting groove (154), the flexible split blocks (151) are symmetrically arranged on the left side and the right side of the upper end of the rubber layer, the second mosaic blocks (152) are fixedly connected to the right lower end face of the flexible split blocks (151) in a embedding manner, and the fixing blocks (153) are arranged right above the fitting groove (154).

6. An extrusion die according to claim 5, wherein the flexible split block (151) comprises an annular rib groove (1 a), a rubber block (1 b) and a connecting block (1 c), the annular rib groove (1 a) is mounted on the outer surface of the upper end of the rubber block (1 b) in an embedded manner, the lower end surface of the rubber block (1 b) is attached to a second embedded block (152) in a fitted manner, and the connecting block (1 c) is symmetrically mounted on the left side and the right side of the rubber block (1 b).

Technical Field

The invention belongs to the field of dies, and particularly relates to an extrusion die.

Background

The extrusion die is characterized in that a processed material is sleeved on the extrusion die, the extrusion die is extruded by hydraulic equipment, the material is processed into an appearance consistent with the inner contour of the die, and the left side and the right side of an extrusion groove are provided with small notches so that a finished product after extrusion forms a hook groove in order to conveniently disassemble a finished product.

Based on the findings of the inventor, the following defects mainly exist in the prior art, such as: because the pressure intensity gradually decreases from the center of the extrusion end face to the periphery in the extrusion process, and the upper end of the outer side of the extrusion end face is provided with the notch, when the extrusion processing is carried out, because the peripheral fitting performance of the inner wall of the die is inconsistent, and the plasticity of the low-carbon steel at high temperature is high, the surface of a finished product is easy to form a conical crack taking the center and the notch as a path, so that the hardness and the pressure intensity of the outer wall of the finished product are inconsistent.

It is therefore desirable to provide an extrusion die.

Disclosure of Invention

The problem that in the technology, because the pressure intensity gradually decreases from the center of the extrusion end face to the periphery in the extrusion process, and the upper end of the outer side of the extrusion end face is provided with the notch, when the extrusion processing is carried out, because the peripheral fitting performance of the inner wall of the die is inconsistent, and the plasticity of the low-carbon steel at high temperature is high, the surface of a finished product is easy to form a conical crack taking the center and the notch as a path, so that the hardness and the pressure intensity of the outer wall of the finished product are inconsistent is.

The purpose and the effect of the extrusion die are achieved by the following specific technical means: the structure of the extrusion die comprises an extrusion platform, a hydraulic shaft, a die groove, a fixed seat and positioning rods, wherein the extrusion platform is embedded and clamped right above the die groove through the positioning rods, the hydraulic shaft is connected to the right center of the surface of the upper end of the extrusion platform through electric welding, the die groove is embedded and fixedly arranged right above the fixed seat, the fixed seat is positioned right below the hydraulic shaft, and the positioning rods are symmetrically arranged on the left side and the right side of the upper end of the fixed seat; the extrusion platform comprises a balance block, a connecting groove, a spring, a fixing plate, a rubber layer and a connecting plate, wherein the balance block is embedded and wrapped on the end face of the outer side of the connecting groove, the connecting groove is connected with a hydraulic shaft through threads, the spring is uniformly distributed on the upper end surface of the connecting plate, the fixing plate is embedded and connected under the connecting plate, the rubber layer is embedded and connected right above the fixing plate and is attached to the connecting plate, and the fixing plate and the upper end surface of the connecting plate adopt a design that the middle height is low and the periphery is low.

The embedded plate comprises a convex block, a bearing ring and an embedded block, the convex block is embedded and clamped on the lower end surface of the connecting plate, the bearing ring is evenly wrapped on the peripheral end surface of the convex block, the embedded blocks are symmetrically arranged on the left side and the right side of the convex block, the bearing ring is in a threaded strip shape, and the connection between the bearing ring and the bearing ring is utilized.

Wherein, the bearing ring includes the screw ring, inlays row line, fixed block, the outside terminal surface of screw ring is evenly wrapping up and is inlaying row line, and interior terminal surface is connected with protruding piece, inlay the outside terminal surface laminating of arranging the line and connecting the interior terminal surface of inlaying the solid board, the fixed block inlays solid and installs at the terminal surface of bearing ring, inlay row line and be matrix align to grid distribution at the screw ring outside terminal surface, and two inlay row line alternate distribution between the screw ring.

Wherein, the screw ring is including filling layer, cooperation piece, second spread groove, cyclic annular strip, the filling layer is located the up end of cyclic annular strip, the cooperation piece is located the right side of second spread groove and keeps parallel, the second spread groove is located the outer terminal surface in the left side of cyclic annular strip, there is the clearance between cooperation piece and the second spread groove.

The rubber layer comprises flexible splitting blocks, second embedding blocks, fixed blocks and a laminating groove, the upper end left side and the upper end right side of the flexible splitting blocks are symmetrically installed, the second embedding blocks are fixedly connected with the lower end faces of the flexible splitting blocks, the fixed blocks are arranged right above the laminating groove, and the inner contour of the laminating groove is consistent with the upper end face of the connecting plate.

Wherein, flexible split piece includes arris annular, block rubber, connecting block, the upper end surface at the block rubber is inlayed in arris annular, the laminating of terminal surface is connected at the second mosaic block under the block rubber, the left and right sides at the block rubber is installed to the connecting block symmetry, arris annular comprises a plurality of rhombus recesses from high to low even laminating.

Compared with the prior art, the invention has the following beneficial effects:

1. on the elasticity through the spring will transmit even balance plate of power when using, through the clearance fit of the interior cooperation piece of threaded ring and second spread groove in the extruded, through the reposition of redundant personnel transmission during messenger's power transmission, reduce the mutual interference between the power, cause the problem that finished product thickness differs when avoiding the atress inequality.

2. The rubber block thickness reduces, and the horizontal area increases, and laminating and balancing piece lower extreme face make power pass through the even transmission that makes progress of pie rubber block, avoid equipment in the past because of the uneven tiny crackle that causes the finished product surface production of processing of the atress of machined part and mould, can make the finished product wall thickness unanimous by effectual increase finished product surface finish, reduce the number of times of doing over again.

Drawings

Fig. 1 is a schematic view of the overall structure of an extrusion die according to the present invention.

FIG. 2 is a schematic front view of an extrusion platform of an extrusion die of the present invention.

FIG. 3 is a schematic top view of an insert plate of an extrusion mold according to the present invention.

FIG. 4 is a schematic view of a partial structure of a load-bearing ring of an extrusion die according to the present invention.

FIG. 5 is a schematic cross-sectional view of a threaded ring of an extrusion die of the present invention.

FIG. 6 is a schematic diagram of a front view structure of a rubber layer of an extrusion die according to the present invention.

Fig. 7 is a schematic perspective view of a flexible split block of an extrusion die according to the present invention.

In the figure: the device comprises an extrusion platform-1, a hydraulic shaft-2, a die groove-3, a fixed seat-4, a positioning rod-5, a balance block-11, a connecting groove-12, a spring-13, an embedded plate-14, a rubber layer-15, a connecting plate-16, a convex block-141, a bearing ring-142, an embedded block-143, a threaded ring-2 a, an embedded line-2 b, a fixed block-2 c, a filling layer-2 a1, a matching block-2 a2, a second connecting groove-2 a3, an annular strip-2 a4, a flexible split block-151, a second embedded block-152, a fixed block-153, a bonding groove-154, a prismatic ring groove-1 a, a rubber block-1 b and a connecting block-1 c.

Detailed Description

The invention is further described below with reference to the accompanying drawings: