CN212370986U - One-time stamping forming die for processing ring blank of spinning frame - Google Patents

Abstract

The utility model relates to a one shot forming die for processing spinning frame ring blank, including upper punch body (1), bed die pedestal (2) and bed die core (3), the lower extreme of upper punch body (1) is provided with cylinder drift (11), and the lower extreme of cylinder drift (11) is provided with shaping chamfer (12), and bed die pedestal (2) include bed die (21), prestressing force collar (22), elastic rubber circle (23), lower mount pad (24) and bolt (25) for the reaming, and bed die core (3) are T type step axle shape, and it includes bed die dabber (31) and ejector beam (32), the utility model discloses novel structure function is practical, to the one shot forming of ring blank, and the shaping rate is high, and the shaping is of high quality, mould long service life.

Description

One-time stamping forming die for processing ring blank of spinning frame

Technical Field

The utility model relates to a stamping die for metal machining, concretely relates to one-time stamping forming mould for processing spinning frame ring blank.

Background

The ring is a special key part for the ring spinning frame and is formed by finish machining a ring blank, as shown in figure 3, the ring blank of the spinning frame is in a ring shape, an outward-turned rectangular ring edge is machined at the upper end of the ring blank, and an inward-turned triangular ring edge is machined at the lower end of the ring blank. At present, two methods for processing and manufacturing a ring blank by taking a seamless steel pipe as a raw material are available: the first is a cutting method, a seamless steel pipe with proper wall thickness is cut and blanked into pipe blanks, and then the pipe blanks are cut and processed by a lathe, and the method has the defects of low utilization rate of raw materials, difficult cutting and processing and low processing efficiency; the second method is a stamping forming method, wherein a seamless steel pipe with proper wall thickness is cut and blanked into pipe blanks, a stamping forming die is adopted, and the pipe blanks are stamped by stamping equipment to form the ring blanks.

Disclosure of Invention

The utility model aims to solve the not enough of prior art existence, provide a one shot stamping forming mould for processing spinning frame ring blank, novel structure function is practical, to ring blank one shot stamping forming, the shaping rate is high, and the shaping is of high quality, mould long service life.

The utility model adopts the technical proposal that: a one-time stamping forming die for processing spinning frame ring blanks comprises an upper punch body 1, a lower die base body 2 and a lower die core body 3, wherein the lower end of the upper punch body 1 is provided with a cylindrical punch 11, the lower end of the cylindrical punch 11 is provided with a forming chamfer 12, the lower die base body 2 comprises a lower die 21, a prestress mounting ring 22, an elastic rubber ring 23, a lower mounting seat 24 and a bolt 25 for hinging holes, the lower die 21 is cylindrical, the center of the lower die 21 is provided with a stamping mounting hole 26, the upper end of the stamping mounting hole 26 is provided with a forming counterbore 27, the prestress mounting ring 22 is fixedly arranged at the upper end of the lower die 21, the periphery of the prestress mounting ring is uniformly provided with a plurality of hinging connecting holes 28, the center of the lower mounting seat 24 is provided with a step positioning hole 29, the lower mounting seat 24 is arranged below the lower die 21, a working gap is arranged between the lower die and the step, the elastic rubber ring 23 is sleeved on the lower die 21 and arranged between the prestress mounting ring 22 and the lower mounting seat 24, the bolt 25 for the hinge hole is mounted in the hinge connecting hole 28, the lower end of the bolt is in threaded connection with the lower mounting seat 24, the lower die core body 3 is in a T-shaped step shaft shape and comprises a lower die core shaft 31 and an ejector rod 32, the lower die core body 3 is inserted into the step positioning hole 29, the lower end surface of the lower die core shaft 31 is in contact with the step surface of the step positioning hole 29, the upper end of the lower die core shaft 31 extends upwards and is inserted into the stamping mounting hole 26, and the ejector rod 32 extends downwards to the outside of the lower mounting seat 24.

Compared with the prior art, the utility model following beneficial effect has: novel structure function is practical, to ring blank one-time stamping forming, and the shaping rate is high, and shaping quality is good, and mould long service life.

Drawings

Figure 1 is a schematic structural diagram of the present invention,

figure 2 is a top view of figure 1,

figure 3 is a schematic structural view of a ring blank,

FIG. 4 is a schematic view of the process of ring blank punch forming.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

As shown in fig. 1 and 2, a one-step stamping forming die for processing a ring blank of a spinning frame comprises an upper punch body 1, a lower die base 2 and a lower die core body 3, wherein a cylindrical punch 11 is arranged at the lower end of the upper punch body 1, a forming chamfer 12 is arranged at the lower end of the cylindrical punch 11, the lower die base 2 comprises a lower die 21, a prestressed mounting ring 22, an elastic rubber ring 23, a lower mounting base 24 and a bolt 25 for hinging holes, the lower die 21 is cylindrical, a stamping mounting hole 26 is arranged at the center of the lower die 21, a forming counter bore 27 is arranged at the upper end of the stamping mounting hole 26, the prestressed mounting ring 22 is fixedly arranged at the upper end of the lower die 21, four hinging connecting holes 28 are uniformly arranged around the prestressed mounting ring 22, a step positioning hole 29 is arranged at the center of the lower mounting base 24, the lower mounting base 24 is arranged below the lower die 21, a working gap is arranged between the lower die and the step, the elastic rubber ring 23 is sleeved on the lower die 21 and arranged between the prestress mounting ring 22 and the lower mounting seat 24, the bolt 25 for the hinge hole is mounted in the hinge connecting hole 28, the lower end of the bolt is in threaded connection with the lower mounting seat 24, the lower die core body 3 is in a T-shaped step shaft shape and comprises a lower die core shaft 31 and an ejector rod 32, the lower die core body 3 is inserted into the step positioning hole 29, the lower end surface of the lower die core shaft 31 is in contact with the step surface of the step positioning hole 29, the upper end of the lower die core shaft 31 extends upwards and is inserted into the stamping mounting hole 26, and the ejector rod 32 extends downwards to the outside of the lower mounting seat 24.

The upper punch head body 1 of the one-step stamping forming die is fixedly arranged on a sliding block of a punch press, a cylindrical punch 11 faces downwards and moves up and down along with the sliding block, a lower die seat body 2 is arranged on a workbench of the punch press, a stamping mounting hole 26 faces upwards, and the cylindrical punch 11 and the stamping mounting hole 26 are coaxially arranged; the prestress mounting ring 22 is fixedly mounted at the upper end of the lower die 21, the prestress mounting ring 22 is connected with the lower mounting seat 24 through a bolt 25 for reaming, and when the lower die 21 is subjected to stamping and extruding force, the prestress mounting ring 22 can assist the lower die 21 to buffer and release, so that the service life of the die is prolonged; the elastic rubber ring 23 is sleeved on the lower die 21 and arranged between the prestress mounting ring 22 and the lower mounting seat 24, the elastic rubber ring 23 is novel in structural design and practical in function, the outward-turned rectangular ring edge and the inward-turned triangular ring edge of the ring blank can be formed in two steps by one-step stamping, the forming rate is high, and the forming quality is good.

As shown in fig. 4, the process of one-time punch forming of the ring blank by using the one-time punch forming die comprises the following steps: the pipe blank is placed in a punching mounting hole 26, the lower end of the pipe blank is contacted with a lower die mandrel 31, an upper punch body 1 moves downwards, a cylindrical punch 11 is inserted into the pipe blank hole, the upper end of the pipe blank is outwards punched and extended into a forming counter bore 27, the pipe blank is punched and formed into an outward-turned rectangular circular ring edge, the upper punch body 1 continues to move downwards, the lower die 21 and a prestress mounting ring 22 are integrally pressed under the guidance of a reaming bolt 25, an elastic rubber ring 23 is compressed to move downwards, the lower end of the pipe blank is inwards punched and extended to a forming chamfer 12, the pipe blank is punched and formed into an inward-turned triangular circular ring edge, the upper punch body 1 moves upwards, the lower die 21 and the prestress mounting ring 22 return to the original positions under the elastic force of the elastic rubber ring 23, an ejector rod 32 moves upwards, and the lower die mandrel 31 pushes out the formed steel collar blank upwards.

Without being limited thereto, any changes or substitutions which are not thought of through creative efforts should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (1)

1. A one-time stamping forming die for processing a spinning frame ring blank is characterized by comprising an upper punch body (1), a lower die base body (2) and a lower die core body (3), wherein a cylindrical punch (11) is arranged at the lower end of the upper punch body (1), a forming chamfer (12) is arranged at the lower end of the cylindrical punch (11), the lower die base body (2) comprises a lower die (21), a prestress mounting ring (22), an elastic rubber ring (23), a lower mounting seat (24) and a bolt (25) for hinging holes, the lower die (21) is cylindrical, a stamping mounting hole (26) is formed in the center of the lower die, a forming counter bore (27) is formed in the upper end of the stamping mounting hole (26), the prestress mounting ring (22) is fixedly arranged at the upper end of the lower die (21), a plurality of hinging connecting holes (28) are uniformly formed in the periphery of the prestress mounting ring, and a step positioning hole (29) is formed in the, the lower mounting seat (24) is arranged below the lower die (21), a working gap is arranged between the lower mounting seat and the lower die, the step positioning hole (29) and the stamping mounting hole (26) are concentrically arranged, the elastic rubber ring (23) is sleeved on the lower die (21) and arranged between the prestress mounting ring (22) and the lower mounting seat (24), the reamed hole is arranged in the reamed connecting hole (28) by a bolt (25), the lower end of the lower die core body is connected with a lower mounting seat (24) through screw threads, the lower die core body (3) is in a T-shaped step shaft shape, the lower die core body (3) is inserted into a step positioning hole (29), the lower end face of the lower die core body (31) is in contact with the step face of the step positioning hole (29), the upper end of the lower die core body (31) extends upwards and is inserted into a stamping mounting hole (26), and the ejector rod (32) extends downwards to the outside of a lower mounting seat (24).

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