A split-type discharge ring

Abstract

The present invention discloses a split-type discharge ring, which relates to the field of machining and includes a mounting plate. The bottom of the mounting plate is a cooling cylinder body. A circular hole communicating with the cooling cylinder body is opened on the mounting plate. An installation groove is opened at the bottom of the cooling cylinder body, and a clamping block is provided on the side wall of the installation groove. An installation body is installed in the installation groove, and a clamping edge is provided outside the installation body, and the clamping edge is connected to the clamping block; Multiple layers of cooling holes are opened on the wall of the cooling cylinder body. A plurality of strip plates are connected to the bottom of the installation body at equal angles, and multiple layers of deformation grooves are opened on the strip plates. For this discharge ring, the split cooling cylinder body and the installation body are easier to manufacture than the existing discharge rings. The cooling cylinder body is a cylindrical structure, and its overall integrity is stressed evenly. For the strip plates on the installation body, by designing multiple deformation grooves, the strip plates can be bent and deformed at different positions, reducing the overall stress bending deformation of the strip plates during discharge and demoulding, thereby reducing the cracking of the strip plates.

Description

Technical Field

[0001] The present invention relates to the technical field of machining, and particularly to a split-type unloading ring. Background Art

[0002] Automotive transmission parts such as drive shafts are the main components of automobiles. When machining drive shafts, a forging method is adopted. After cutting the steel into appropriate lengths, the steel is pushed into a mold, and then formed into a corresponding shape by the mold. When the upper mold acts on the lower mold, unloading and cooling are required to assist in the forming process.

[0003] As shown in the attached drawings, a commonly used existing unloading ring has an installation surface at the top and a stepped cylindrical structure at the bottom. Cooling holes for cooling are provided in the upper part of the stepped cylindrical structure, and a notch is provided in the lower part of the stepped cylindrical structure. The notch divides the lower part of the stepped cylindrical structure into individual strip-shaped plates. After forging, the strip-shaped plates expand outward by the action of a punch to complete the unloading of the workpiece. The existing unloading ring is integrally manufactured, which is relatively troublesome to process. At the same time, because the strip-shaped plates of the stepped cylindrical structure are rigidly connected to the outer wall of the unloading ring, when unloading, the entire strip-shaped plate is rigidly pushed by the workpiece. In this way, the position of the strip-shaped plate on the unloading ring is easily broken. Moreover, the cooling water is perpendicular to the workpiece, and the cooled medium is easily concentrated at the position where the strip-shaped plate is arranged on the unloading ring. Thus, when unloading, the strip-shaped plate is rigidly pushed by the workpiece, and due to the concentration of the cooling medium, the strip-shaped plate is prone to breakage and needs to be replaced as a whole, resulting in waste of the entire unloading ring. For this reason, we propose a split-type unloading ring. Summary of the Invention

[0004] The purpose of the present invention is to provide a split-type unloading ring to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A split-type unloading ring includes a mounting plate. The bottom of the mounting plate is a cooling cylinder. A round hole communicating with the cooling cylinder is provided on the mounting plate. An installation groove is provided at the bottom of the cooling cylinder, and a clamping block is provided on the side wall of the installation groove. An installation body is installed in the installation groove, and a clamping edge is provided on the installation body, and the clamping edge is connected to the clamping block; A wedge-shaped ring surface is provided on the outer circle of the installation body, a cover plate is provided at the bottom of the installation body, a plugging gap is formed between the wedge-shaped ring surface and the installation groove, and a wedge-shaped plugging body plugged at the plugging gap is provided at the bottom of the cover plate. A profiling surface adapted to the bottom of the installation body is provided on the cover plate. An anti-slip hole groove is provided on the clamping block, and an anti-slip body is connected to the installation body, and the anti-slip body is plugged in the anti-slip hole groove;

[0006] A plurality of layers of cooling holes are formed in the cylindrical wall of the cooling cylinder body. The cooling holes in the top layer are distributed obliquely downward, and the cooling holes in the bottom layer are distributed obliquely upward; a plurality of strip plates are connected to the bottom of the installation body at equal angles, and a plurality of layers of deformation grooves are formed in the strip plates.

[0007] Preferably, the areas of the multiple layers of deformation grooves decrease arithmetically from top to bottom.

[0008] Preferably, a wedge-shaped annular surface is provided on the outer circle of the installation body, and a cover plate is provided at the bottom of the installation body. An insertion gap is formed between the wedge-shaped annular surface and the installation groove, and a wedge-shaped insertion body inserted at the insertion gap is provided at the bottom of the cover plate. A profiling surface of the bottom of the installation body is formed on the cover plate. Anti-slip hole grooves are formed in the engaging blocks, and anti-slip bodies are connected to the installation body and inserted into the anti-slip hole grooves.

[0009] Preferably, the anti-slip body is a bent rod, and the anti-slip hole groove is a bent groove.

[0010] Preferably, spherical grooves are provided on the engaging blocks, and spherical columnar bodies are installed on the installation body, and the spherical columnar bodies are pressed in the spherical grooves.

[0011] Preferably, the anti-slip body is a telescopic rod body, and the anti-slip hole groove is a cylindrical hole.

[0012] Preferably, the wedge-shaped insertion body and the insertion gap are in interference fit, and the height of the installation body is lower than the height of the installation groove.

[0013] Preferably, the cover plate is connected with a disassembly and assembly plate, and a disassembly and assembly groove is formed in the disassembly and assembly plate, and the disassembly and assembly plate covers the spherical columnar body.

[0014] Preferably, the strip plate is bent and deformed along the multiple layers of deformation grooves under pressure.

[0015] Preferably, the top of the installation plate is provided with an installation surface for installation, an edge extension plate is provided on the installation plate, and installation holes are formed in the edge extension plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] By providing a detachable cooling cylinder body and an installation body, the present invention is easier to manufacture than the existing discharge ring. And during use, since the cooling cylinder body is a cylindrical structure and is integral and uniformly stressed, the cooling cylinder body is not easily damaged. For the strip plates on the installation body, by designing multiple deformation grooves with different sizes, the strip plates can be bent and deformed at different positions, reducing the overall bending deformation of the strip plates when discharging and demolding, thereby reducing the cracking of the strip plates. At the same time, by providing symmetric cooling holes arranged obliquely, it is easy to disperse the cooling liquid and avoid the formation of convergence at the strip plates, reducing the damage to the strip plates.

[0018] The detachable cooling cylinder body and mounting body of the present invention can separately detach the damaged mounting body and strip plate, so that the continuous use of the cooling cylinder body can be maintained, waste can be reduced, and the manufacturing of the separately detached mounting body and strip plate is easier to form than the existing discharge ring.

[0019] By providing a cover plate, an interference fit is achieved through the wedge-shaped insertion body and the insertion gap at the bottom of the cover plate, so that the mounting body can be stably installed at the position of the mounting groove. At the same time, through the function of the disassembly and assembly plate, the cover plate and the insertion body can be withdrawn from the insertion gap, thus facilitating the disassembly and assembly of the mounting body and the strip plate. Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of the existing discharge ring.

[0021] Figure 2 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure 3 It is a schematic top view structure diagram of the present invention.

[0023] Figure 4 It is a schematic diagram of the partial explosion structure of the present invention.

[0024] Figure 5 It is a schematic diagram of the structure at the cooling cylinder body of the present invention.

[0025] Figure 6 It is a schematic diagram of the partial sectional structure of the cooling cylinder body of the present invention.

[0026] Figure 7 It is a schematic diagram of the structure at the mounting body of the present invention.

[0027] Figure 8 It is a schematic diagram of the structure at the cover plate of the present invention.

[0028] Figure 9 It is a schematic diagram of the structure after the cooling cylinder body and the mounting body of the present invention are assembled.

[0029] Figure 10 It is a schematic diagram of the deformation state of the strip plate of the present invention.

[0030] Figure 11 It is a schematic diagram of the cooling liquid flowing into from the cooling holes of the present invention.

[0031] In the figure: 1-mounting plate; 2-cooling cylinder; 3-mounting body; 4-clamping edge; 5-cooling hole; 6-strip plate; 7-deformation groove; 8-cover plate; 9-anti-slip body; 11-mounting surface; 12-edge plate; 13-mounting hole; 21-mounting groove; 22-clamping block; 23-anti-slip hole groove; 24-spherical groove; 31-wedge-shaped annular surface; 32-plug-in gap; 33-spherical clamping column; 81-wedge-shaped plug-in body; 82-disassembly plate; 83-disassembly groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figures 1-11 The present invention provides a technical solution: a split unloading ring, which is used to solve the problem that the unloading ring of the existing automobile transmission parts such as the transmission shaft is easily damaged during forging, comprises a mounting plate 1, the top of the mounting plate 1 is provided with a mounting surface 11, the mounting surface 11 is lower than the top surface of the mounting plate 1, and is used to make an avoidance space with the installation position of the upper mold, the mounting plate 1 is provided with an extension plate 12, and the extension plate 12 is provided with a mounting hole 13. During installation, the mounting surface 11 is aligned with the installation position of the upper mold, and then the mounting plate 1 is fixedly installed at the installation position of the upper mold by passing the fixing parts such as bolts through the mounting hole 13.

[0034] The bottom of the mounting plate 1 is designed as a cooling cylinder 2. The cooling cylinder 2 is cylindrical in shape and has a through hole inside. The through hole inside is used to pass the punch and the workpiece. A circular hole connected to the cooling cylinder 2 is opened on the mounting plate 1. A mounting groove 21 is opened at the bottom of the cooling cylinder 2. The design of the mounting groove 21 is as shown in the attached figure. Figure 5 As shown, its outer shape is composed of an arc segment and a straight line, and a snap-fit block 22 is provided on the straight side wall of the mounting groove 21. After the snap-fit block 22 is filled, the through hole at the bottom of the cooling cylinder 2 is in a shape formed by splicing an arc and a straight line. A mounting body 3 is installed in the mounting groove 21, and a snap-fit edge 4 is provided on the outside of the mounting, and the snap-fit edge 4 is connected to the snap-fit block 22. The mounting body 3 and the mounting groove 21 are designed with an arc segment. In order to facilitate the assembly of the two, a straight line edge is designed to prevent the mounting body 3 from relative rotation in the mounting groove 21. When the mounting body 3 is assembled in the mounting groove 21, a complete circular hole is formed at the bottom of the cooling cylinder 2. The diameter of the circular hole is smaller than the diameter of the upper part of the cooling cylinder 2, and the diameter of the circular hole is much larger than the punch, thereby facilitating the passage of the punch.

[0035] A plurality of cooling holes 5 are provided in the cylindrical wall of the cooling cylinder 2. The cooling holes 5 at the top layer are inclined downward, and the cooling holes 5 at the bottom layer are inclined upward. The cooling liquid enters the cooling cylinder 2 through the cooling holes 5 to cool the workpiece. The specific flow direction of the cooling liquid through the cooling holes 5 is as shown in the appendix Figure 11 As shown. The cooling liquid is obliquely injected into the interior of the cooling cylinder from the upper cooling holes 5 and the lower cooling holes 5. For the cooling water in the middle layer, it vertically enters the interior of the cooling cylinder 2. In this way, the cooling liquid in the upper part quickly contacts the workpiece and the mold to achieve rapid cooling. At the same time, the middle layer is intensively cooled. The cooling liquid at the bottom is also obliquely injected into the interior of the cooling cylinder 2. On the one hand, it is convenient to further strengthen the cooling process. At the same time, the cooling liquid ejected obliquely upward at the bottom is convenient to impact the cooling liquid in the upper part to avoid the convergence of the cooling liquid, thereby reducing the damage to the strip plate 6.

[0036] A plurality of strip plates 6 are connected to the bottom of the mounting body 3 at equal angles. The strip plates 6 are made of plate-shaped steel and are fixed to the mounting body 3 by welding or other means. Compared with the existing strip plates cut out at the bottom of the discharge ring by cutting, the design of the strip plates 6 in this solution effectively avoids the pulling between adjacent strip plates 6, thereby reducing the cracking of the strip plates 6. The strip plates 6 are bent and deformed along the multi-layer deformation grooves 7 under pressure, and a plurality of layers of deformation grooves 7 are provided on the strip plates 6. The areas of the multi-layer deformation grooves 7 decrease arithmetically from top to bottom. The design of the strip plates 6 and the deformation grooves 7 is as shown in the appendix Figure 7 As shown. When the punch moves upward, after pushing the workpiece, the workpiece contacts the strip plate 6, so that the strip plate 6 is bent and deformed along the deformation groove 7. The bending deformation trajectory of the strip plate 6 is as shown in the appendix Figure 10 As shown. For those that need slight deformation, the strip plate 6 is bent along the topmost deformation groove 7, that is, bent and deformed from the largest area. In this way, according to the unloading of transmission parts of different lengths, bending unloading can be carried out according to different bending degrees, thereby avoiding the bending deformation of the entire strip plate 6 from the connection position with the discharge ring, reducing the tearing of the strip plate 6 during bending unloading. At the same time, the layer-by-layer deformation not only applies to the unloading of transmission shafts of different sizes, but also helps to release the bending deformation force of the strip plate 6 layer by layer during unloading, thereby reducing the damage to the strip plate 6.

[0037] In order to increase the installation stability between the installation body 3 and the installation groove 21, a wedge-shaped toroidal surface 31 is provided on the outer circle of the installation body 3. The arc section of the installation body 3 is machined into a tapered surface with a taper ranging from 10° to 45° by a lathe. Part of the tapered surface can be selected, or the entire arc section can be machined into the wedge-shaped toroidal surface 31. For the convenience of machining, in this solution, the entire arc section is machined into the wedge-shaped toroidal surface 31. A cover plate 8 is provided at the bottom of the installation body 3. An insertion gap 32 is formed between the wedge-shaped toroidal surface 31 and the installation groove 21, and a wedge-shaped insertion body 81 inserted at the insertion gap 32 is provided at the bottom of the cover plate 8. The overall height of the wedge-shaped insertion body 81 is higher than the height of the installation body 3. The wedge-shaped insertion body 81 and the insertion gap 32 are in interference fit, and the height of the installation body 3 is 1 - 3 mm lower than that of the installation groove 21. In this way, the bottom of the wedge-shaped insertion body 81 is aligned with the insertion gap 32 for insertion. After the wedge-shaped insertion body 81 is inserted, the cover plate 8 is struck by knocking the workpiece with a hammer or the like, so that the wedge-shaped insertion body 81 is completely inserted, and the wedge-shaped insertion body 81 and the insertion gap 32 complete the interference fit, making the installation body 3, the wedge-shaped insertion body 81, and the cooling cylinder 2 form a complete whole.

[0038] To facilitate the passage of the strip plate 6 on the installation body 3, a profiling surface at the bottom of the installation body 3 is provided on the cover plate 8. When the wedge-shaped insertion body 81 is inserted into the cooling cylinder 2, the cover plate 8 just covers the installation body 3 and is flush with the bottom of the cooling cylinder 2, thus facilitating the processing and forming of the steel by the mold.

[0039] To increase the stability of the installation body 3 in the installation groove 21 and prevent the relative rotation of the installation body 3 during the insertion of the wedge-shaped insertion body 81, an anti-slip hole groove 23 is provided on the engaging block 22, and an anti-slip body 9 is connected to the installation body 3, and the anti-slip body 9 is inserted into the anti-slip hole groove 23.

[0040] Example 1: The anti-slip body 9 is designed as a bent rod, and the anti-slip hole groove 23 is a bent groove. In this way, when the installation body 3 is assembled in the installation groove 21, first align the bent rod with the bent groove, and hold the arc part of the installation body 3 by hand. When the bent rod is inserted into the bent groove, then turn the direction of the arc part of the installation body 3. Through the cooperation of the bent rod and the bent groove, the relative rotation of the installation body 3 is avoided.

[0041] To increase the engagement stability between the bent rod and the bent groove, a spherical groove 24 is provided on the engaging block 22, and a spherical stud 33 is installed on the installation body 3. After the bent rod is inserted into the bent groove, by pressing the spherical stud 33 into the spherical groove 24, the straight edge of the installation body 3 is restricted, thus preventing the installation body 3 from rotating.

[0042] Embodiment 2: The anti-slip body 9 is a telescopic rod body, and the anti-slip hole groove 23 is a cylindrical hole. When assembling the mounting body 3, first press and contract the telescopic rod body until the anti-slip body 9 is inserted into the anti-slip hole groove 23, thereby preventing the mounting body 3 from rotating.

[0043] To facilitate the replacement of the strip plate 6 after damage, a disassembly and assembly plate 82 is connected to the cover plate 8, and a disassembly and assembly groove 83 is formed on the disassembly and assembly plate 82. The disassembly and assembly plate 82 covers the spherical clamping column 33. In this way, by hanging on the disassembly and assembly groove 83 with a hook or the like and pulling it outwards, the cover plate 8 and the wedge-shaped insertion body 81 are pulled out from the insertion gap 32, so as to remove the mounting body 3 from the mounting groove 21, thereby completing the replacement of the mounting body 3 and the strip plate 6. For a single damaged strip plate 6, it can be re-welded to complete.

[0044] During specific use, first align the mounting surface 11 with the mounting position of the upper mold, and then pass fixing parts such as bolts through the mounting holes 13 to fixedly install the mounting plate 1 at the mounting position of the upper mold; then the mounting body 3 needs to be assembled in the mounting groove 21. Hold the arc part of the mounting body 3 by hand, insert the anti-slip body 9 into the anti-slip hole groove 23, and then assemble the mounting body 3 in the mounting groove 21. During the forming process, the specific flow direction of the cooling liquid through the cooling holes 5 is as shown in the appendix Figure 11 As shown, the cooling liquid is obliquely injected into the cooling cylinder body from the upper cooling holes 5 and the lower cooling holes 5. For the cooling water in the middle layer, it vertically enters the cooling cylinder body 2. In this way, the cooling liquid in the upper part quickly contacts the workpiece and the mold to achieve rapid cooling. At the same time, the middle layer is intensively cooled. The cooling liquid at the bottom is also obliquely injected into the cooling cylinder body 2. On the one hand, it is convenient to further strengthen the cooling process. At the same time, the cooling liquid obliquely ejected upwards at the bottom is convenient to impact the cooling liquid in the upper part to avoid the convergence of the cooling liquid, thereby reducing the damage to the strip plate 6; after the forming is completed, the punch is jacked upwards, so that the workpiece presses the strip plate 6 to deform, and the workpiece contacts the strip plate 6, so that the strip plate 6 is bent and deformed along the deformation groove 7. The bending deformation track of the strip plate 6 is as shown in the appendix Figure 10As shown in the figure, for those that require slight deformation, the strip plate 6 is bent along the topmost deformation groove 7, that is, bent and deformed from the area with the largest area. In this way, according to the discharging of transmission parts with different lengths, bending and discharging can be carried out according to different bending degrees, thereby avoiding the bending deformation of the entire strip plate 6 from the connection position with the discharging ring, reducing the situation of cracking of the strip plate 6 during bending and discharging. At the same time, the layer-by-layer deformation not only applies to the discharging of transmission shafts of different sizes, but also helps to gradually release the bending deformation force of the strip plate 6 during discharging, thereby reducing the damage to the strip plate 6. In order to facilitate the replacement of the strip plate 6 after damage, a disassembly and assembly plate 82 is connected to the cover plate 8, and a disassembly and assembly groove 83 is provided on the disassembly and assembly plate 82. The disassembly and assembly plate 82 covers the spherical clamping column 33. In this way, by hanging on the disassembly and assembly groove 83 with a hook and pulling outwards, the cover plate 8 and the wedge-shaped insertion body 81 are pulled out from the insertion gap 32, so as to remove the installation body 3 from the installation groove 21, thereby completing the replacement of the installation body 3 and the strip plate 6. For the damage of a single strip plate 6, it can be welded again to complete the replacement.

[0045] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0046] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A split-type discharge ring, comprising a mounting plate (1), the bottom of the mounting plate (1) being a cooling cylinder (2), and a circular hole communicating with the cooling cylinder (2) being formed in the mounting plate (1), characterized in that: An installation groove (21) is formed at the bottom of the cooling cylinder body (2), and engaging blocks (22) are provided on the side wall of the installation groove (21). An installation body (3) is installed in the installation groove (21), and an engaging edge (4) is provided on the installation body (3), and the engaging edge (4) is in contact with the engaging blocks (22). A wedge-shaped ring surface (31) is provided on the outer circle of the installation body (3). A cover plate (8) is provided at the bottom of the installation body (3). An insertion gap (32) is formed between the wedge-shaped ring surface (31) and the installation groove (21). A wedge-shaped insertion body (81) inserted at the insertion gap (32) is provided at the bottom of the cover plate (8). A profiling surface adapted to the bottom of the installation body (3) is formed on the cover plate (8). Anti-slip hole grooves (23) are formed on the engaging blocks (22). An anti-slip body (9) is connected to the installation body (3), and the anti-slip body (9) is inserted into the anti-slip hole grooves (23). Multiple layers of cooling holes (5) are formed in the cylinder wall of the cooling cylinder body (2). The cooling holes (5) at the top layer are inclined downward, and the cooling holes (5) at the bottom layer are inclined upward. A plurality of strip plates (6) are connected to the bottom of the installation body (3) at equal angles, and multiple layers of deformation grooves (7) are formed in the strip plates (6).

2. The split discharging ring according to claim 1, wherein: The areas of the multiple layers of deformation grooves (7) decrease arithmetically from top to bottom.

3. The split discharge ring according to claim 2, characterized in that: The anti-slip body (9) is a bent rod, and the anti-slip hole groove (23) is a bent groove.

4. The split discharge ring according to claim 3, wherein: A spherical groove (24) is formed on the engaging block (22). A spherical column (33) is installed on the installation body (3), and the spherical column (33) is pressed in the spherical groove (24).

5. The split discharging ring according to claim 1, wherein: The anti-slip body (9) is a telescopic rod body, and the anti-slip hole groove (23) is a cylindrical hole.

6. The split discharging ring according to claim 1, characterized in that: The wedge-shaped insertion body (81) and the insertion gap (32) are in interference fit, and the height of the installation body (3) is lower than the height of the installation groove (21).

7. The split discharging ring according to claim 4, wherein: The cover plate (8) is connected with a disassembly and assembly plate (82), and a disassembly and assembly groove (83) is formed in the disassembly and assembly plate (82). The disassembly and assembly plate (82) covers the spherical column (33).

8. A split discharge ring according to claim 1, characterized in that: The strip plate (6) is bent and deformed along the multiple layers of deformation grooves (7) under pressure.

9. The split discharging ring according to claim 1, wherein: An installation surface (11) for installation is provided at the top of the installation plate (1). A border plate (12) is provided on the installation plate (1), and installation holes (13) are formed in the border plate (12).

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