Die fixing device and automobile half shaft vertical forging die

Abstract

The utility model discloses a mould fixing device and an automobile half axle vertical forging mould, which comprises a support column, a first support hole and a second support hole, the first support hole is arranged on an upper mould portion of the automobile half axle vertical forging mould, the second support hole is arranged on a lower mould portion of the automobile half axle vertical forging mould, and the support column is arranged on the upper mould portion of the automobile half axle vertical forging mould. The second supporting holes and the first supporting holes are arranged in a one-to-one correspondence mode, and the two ends of the supporting columns are detachably connected with the corresponding first supporting holes and the corresponding second supporting holes respectively. According to the automobile half shaft vertical forging die, the detachable supporting columns are arranged, the relative positions of the upper die part and the lower die part of the automobile half shaft vertical forging die can be fixed through the supporting columns, preliminary installation and alignment of the die before machining are facilitated, and meanwhile the whole die is convenient to carry, move and place.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts production, in particular to a mold fixing device and an automobile half-axle vertical forging mold. Background Art

[0002] The half shaft of a commercial vehicle is the drive shaft in the drive axle unit that connects the wheels and the driven gear of the main reducer to achieve wheel drive and differential turning. It usually has an external spline at one end and a flange at the other end. The flange is connected to the wheel hub by bolts, and the external spline engages with the internal spline of the driven gear of the main reducer.

[0003] The flange at the upper end of the existing half-axle structure is a relatively complex rotating body structure, and the overall processing method of the half-axle is relatively complicated. It can be processed and formed multiple times through the automobile half-axle vertical forging die according to the specific structure. Since the multiple processing and forming of the die requires the upper and lower dies to move relative to each other, the upper and lower templates cannot be connected by a guide column and guide sleeve structure. The upper and lower parts of the die are not easy to align during installation. At the same time, when the entire die frame system is moved with the upper and lower presses, it will also cause inconvenience in handling and placement.

[0004] In view of the above-mentioned defects, the inventor of the present invention finally obtained the present invention after a long period of research and practice. Utility Model Content

[0005] In order to solve the above-mentioned technical defects, the technical solution adopted by the utility model is to provide a mold fixing device, including a support column, a first support hole and a second support hole, the first support hole is arranged on the upper mold part of the automobile half-axle vertical forging mold, the second support hole is arranged on the lower mold part of the automobile half-axle vertical forging mold, and the second support hole is arranged one-to-one with the first support hole, and the two ends of the support column are respectively detachably connected to the corresponding first support hole and the second support hole.

[0006] Preferably, the support column is configured as a cylindrical structure.

[0007] Preferably, the support column adopts a hollow structure.

[0008] Preferably, four support columns are provided, and the support columns are symmetrically arranged in pairs, and both ends of each support column are provided with the first support hole and the second support hole correspondingly arranged.

[0009] Preferably, a first limiting ring and a second limiting ring are respectively provided at both ends of the support column, the first limiting ring is provided corresponding to the first supporting hole, the second limiting ring is provided corresponding to the second supporting hole, the first supporting hole and the second supporting hole are both provided as through holes, the outer diameter of the first limiting ring is larger than the diameter of the first supporting hole, and the outer diameter of the second limiting ring is larger than the diameter of the second supporting hole.

[0010] Preferably, a handle is provided on the circumferential surface of the support column, and the handle is provided between the first limiting ring and the second limiting ring.

[0011] Preferably, the diameter of the support column is 0.4 mm to 0.6 mm larger than the diameter of the first support hole, and the diameter of the support column is 0.4 mm to 0.6 mm larger than the diameter of the second support hole.

[0012] Preferably, a mounting section is provided at the end of the support column, and the cross-sectional diameter of the mounting section gradually decreases in a direction away from the axis of the support column to form a frustum-shaped structure.

[0013] Preferably, a vertical forging die for an automobile half-axle comprises an upper die portion and a lower die portion, wherein the die fixing device is arranged on the upper die portion and the lower die portion, wherein the upper die portion comprises a plurality of upper modules, wherein the upper modules are fixedly arranged on the upper die portion through an upper die seat, wherein the upper die portion is slidably arranged on a sliding assembly, wherein the first supporting hole is arranged on the upper die portion, and wherein the upper modules are arranged in a straight line along the sliding direction of the upper die portion; wherein the lower die portion comprises a lower die, wherein the lower die is fixedly arranged on a workbench through the lower die portion, wherein the second supporting hole is arranged on the lower die portion, and wherein the lower die is provided with a placing cavity, wherein the forming cavities in the respective upper modules can be respectively arranged corresponding to the placing cavities, and wherein the upper ends of the bars placed in the placing cavities are arranged corresponding to the forming cavities.

[0014] Preferably, the sliding assembly includes a slide plate, a slide and a fixed plate, the upper template is fixedly arranged on the slide plate, the slide plate is slidably connected to the slide plate, the slide plate can slide linearly along the slide plate, the slide plate is fixedly arranged on the fixed plate, and the fixed plate is connected to the pressing block of the press.

[0015] Compared with the prior art, the beneficial effect of the utility model is that the utility model is provided with a detachable support column, through which the relative position of the upper die part and the lower die part of the automobile half-axle vertical forging die can be fixed, which is convenient for the preliminary installation and alignment of the die before processing, and also convenient for the transportation, movement and placement of the entire die. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural sectional view of the mold fixing device;

[0017] Figure 2 It is a structural front view of the mold fixing device;

[0018] Figure 3 It is a structural side view of the mold fixing device;

[0019] Figure 4 is a structural cross-sectional view of the support column;

[0020] Figure 5 It is a structural view of the vertical forging die of the automobile half-axle.

[0021] The numbers in the figure represent:

[0022] 1-support column; 2-first support hole; 3-second support hole; 4-upper mold part; 5-lower mold part; 11-first limiting ring; 12-second limiting ring; 13-handle; 14-installation section; 41-upper module; 42-upper mold base; 43-upper template; 44-slide plate; 45-slide table; 46-fixed plate; 51-lower mold; 52-lower template. DETAILED DESCRIPTION

[0023] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0024] Embodiment 1

[0025] like Figure 1 , Figure 2 , Figure 3 As shown, Figure 1 A structural sectional view of the mold fixing device; Figure 2 It is a structural front view of the mold fixing device; Figure 3 It is a structural side view of the mold fixing device.

[0026] The mold fixing device of the utility model includes a support column 1, a first support hole 2 and a second support hole 3. The first support hole 2 is arranged on the upper mold part 4 of the automobile half-axle vertical forging mold, and the second support hole 3 is arranged on the lower mold part 5 of the automobile half-axle vertical forging mold, and the second support hole 3 is arranged in a one-to-one correspondence with the first support hole 2. The two ends of the support column 1 are detachably connected to the corresponding first support hole 2 and the second support hole 3 respectively. Through the support positioning of the support column 1, the relative position of the upper mold part 4 and the lower mold part 5 can be stabilized, thereby facilitating the initial positioning of the mold during installation, as well as the transportation, movement and placement of the mold as a whole.

[0027] Preferably, the support column 1 is configured as a cylindrical structure, thereby ensuring that the upper mold portion 4 and the lower mold portion 5 are stably aligned, thereby improving the accuracy of the initial alignment of the upper and lower molds during mold installation.

[0028] Generally, the support column 1 adopts a hollow structure to reduce the weight of the support column 1, thereby reducing the carrying weight of the entire mold when the support column 1 is used as much as possible to facilitate carrying.

[0029] Generally, there are four support columns 1, and the support columns 1 are symmetrically arranged in pairs, and the first support hole 2 and the second support hole 3 are correspondingly arranged at both ends of each support column 1, so as to ensure that the support columns 1 effectively connect and fix the upper mold part 4 and the lower mold part 5.

[0030] The utility model provides a detachable support column 1, through which the relative positions of the upper die part 4 and the lower die part 5 of the automobile half-axle vertical forging die can be fixed, which is convenient for the preliminary installation and alignment of the die before processing, and also convenient for the transportation, movement and placement of the entire die.

[0031] Embodiment 2

[0032] like Figure 4 As shown, Figure 4 The figure is a cross-sectional view of the structure of the support column. The two ends of the support column 1 are respectively provided with a first limiting ring 11 and a second limiting ring 12, the first limiting ring 11 is provided corresponding to the first supporting hole 2, the second limiting ring 12 is provided corresponding to the second supporting hole 3, the first supporting hole 2 and the second supporting hole 3 are both provided as through holes, the outer diameter of the first limiting ring 11 is larger than the diameter of the first supporting hole 2, and the outer diameter of the second limiting ring 12 is larger than the diameter of the second supporting hole 3, so that the two ends of the support column 1 can be clamped and positioned with the corresponding upper mold part 4 and the lower mold part 5 through the first limiting ring 11 and the second limiting ring 12, so as to realize the vertical positioning effect of the support column 1 on the upper mold part 4 and the lower mold part 5.

[0033] Preferably, the first limiting ring 11 and the second limiting ring 12 are both fixedly provided with annular gaskets, and the annular gaskets are sleeved on the support column. The first limiting ring 11 is contacted with the upper mold part 4 through the annular gasket, and the second limiting ring 12 is contacted with the lower mold part 5 through the annular gasket. The annular gaskets are made of rubber material, which can prevent the first limiting ring 11 and the second limiting ring 12 from scratching the upper mold part 4 and the lower mold part 5, and also increase the friction force of the contact position of the first limiting ring 11 and the second limiting ring 12, thereby further improving the position stability between the upper mold part 4 and the lower mold part 5.

[0034] Preferably, a handle 13 is provided on the circumferential surface of the support column 1 , and the handle 13 is disposed between the first limiting ring 11 and the second limiting ring 12 , so as to facilitate an operator to move the support column 1 to realize the disassembly of the support column 1 .

[0035] Preferably, the diameter of the support column 1 is 0.4mm to 0.6mm larger than the aperture size of the first support hole 2, and the diameter of the support column 1 is 0.4mm to 0.6mm larger than the aperture size of the second support hole 3, so as to facilitate the placement of the end of the support column 1 in the first support hole 2 and the second support hole 3.

[0036] In this embodiment, the distance from the first limiting ring 11 to the corresponding end is less than the depth of the first supporting hole 2, and the distance from the second limiting ring 12 to the corresponding end is less than the depth of the second supporting hole 3, thereby preventing the end of the support column 1 from extending from the other end of the first supporting hole 2 or the second supporting hole 3, thereby installing or placing the upper mold part 4 and the lower mold part 5.

[0037] Preferably, a mounting section 14 is provided at the end of the support column 1, and the mounting section 14 gradually decreases in cross-sectional diameter in the axial direction away from the support column 1 to form a frustum-shaped guide structure, thereby facilitating the end of the support column 1 to be placed in the first support hole 2 or the second support hole 3. The mounting section 14 may be provided only at the upper end or the lower end of the support column 1, or the mounting section 14 may be provided at both ends of the support column 1.

[0038] Embodiment 3

[0039] like Figure 5 As shown, Figure 5 The structural view of the automobile half-axle vertical forging die. The automobile half-axle vertical forging die of the utility model includes an upper die part 4 and a lower die part 5, the die fixing device is arranged on the upper die part 4 and the lower die part 5, the upper die part 4 includes a plurality of upper modules 41, the upper modules 41 are fixedly arranged on the upper template 43 through the upper die seat 42, the upper template 43 is slidably arranged on the sliding assembly, the first support hole 2 is arranged on the upper template 43, and each of the upper modules 41 is arranged in a straight line along the sliding direction of the upper template 43; the lower die part 5 includes a lower die 51, the lower die 51 is fixedly arranged on the workbench through the lower template 52, the second support hole 3 is arranged on the lower template 52, the lower die 51 is provided with a placement cavity, the forming cavity in each of the upper modules 41 can be respectively arranged corresponding to the placement cavity, and the upper end of the bar placed in the placement cavity is arranged corresponding to the forming cavity.

[0040] The sliding assembly includes a slide plate 44, a slide table 45 and a fixed plate 46, the upper mold plate 43 is fixedly arranged on the slide plate 44, the slide plate 44 is slidably connected to the slide table 45, the slide plate 44 can slide linearly along the slide table 45, the slide table 45 is fixedly arranged on the fixed plate 46, and the fixed plate 46 is connected to the pressing block of the press, and the upper mold part 41 is pressed downward to the lower mold part 5 by the pressure of the press, so as to realize the top upsetting operation of the molding cavity on the upper end of the bar material.

[0041] The upper mold part 4 is provided with a plurality of workstations, and the upper mold part 4 and the lower mold part 5 are preliminarily positioned by the mold fixing device, so that under the control and drive of the hydraulic or electric control system of the press, each upper mold block 41 is moved forward and backward by a preset distance, so that the upper mold of each workstation is aligned with the lower mold 51, thereby ensuring accurate mold closing.

[0042] The utility model sets different upper modules 41 and realizes the transformation of different forming stations through the linear sliding of the upper modules 41, so that the bar material set on the lower die part 5 can be subjected to multiple upsetting and gathering, so as to complete the forging of the flange part through a conventional press. Compared with other processing methods in the prior art, the equipment investment is small, the material utilization rate is high, the processing cost is low and the processing efficiency is high.

[0043] Generally, the lower end faces of the upper modules 41 are at the same height, thereby ensuring that when the upper modules 41 are closing the lower mold 51 , the downward stroke of the upper mold part 4 driven by the press is consistent, which is more convenient for continuous processing.

[0044] The specific usage of the utility model is as follows:

[0045] Install the support column 1: Install the hollow support column 1 into the second support hole 3 of the lower template 52. The lower end surface of the second limiting ring 12 is in contact with the lower template 52 to bear force; the support column 1 has two fixed handles on both sides, and the operator can take it with both hands; at the same time, the middle hole structure is adopted to reduce weight, so that the operator can install, extract and carry it alone; a single-sided gap of 0.2mm to 0.3mm is set between the support column 1 and the first support hole 2 or the second support hole 3, so that the operator can easily extract and put it into the positioning hole.

[0046] Install the upper mold part 4: Assemble the upper mold block 41, the upper mold base 42, and the upper mold plate 43 into one body to form the upper mold part 4, lift the upper mold part 4 so that the four first support holes 2 of the upper mold plate 43 are aligned with the upper end of the support column 1, and then lower it so that the lower plane of the upper mold plate 43 fits with the upper end surface of the first limiting ring 11 on the support column 1, and the weight of the upper mold part 4 is transferred to the lower mold plate 52 through the support column 1 to form an upper and lower mold system. The upper end of the support column 1 has a frustum-shaped structure, which can be easily aligned and installed when the upper mold part 4 is hoisted.

[0047] Move the upper and lower mold system: lift the upper and lower mold frame system that is integrated into a whole onto the mold changing trolley or the mold transfer arm, and push the press workbench into position;

[0048] The upper and lower templates are connected to the press: the upper template 43 is connected to the slide plate 44, and the lower template 52 is connected to the workbench by using T-bolts or clamps;

[0049] The pressing block of the press moves upward and the support column 1 is removed: the press is started to move the pressing block upward to a set height, the upper end of the support column 1 is completely disengaged from the first support hole 2, and the operator removes the support column 1 in sequence;

[0050] The pressing block of the press machine works downward: after all the four support columns 1 are removed, there is no foreign matter between the upper mold part 4 and the lower mold part 5, and the mold can be tested or worked.

[0051] The above is only a preferred embodiment of the utility model, which is only illustrative and not restrictive. Those skilled in the art understand that many changes, modifications, and even equivalences can be made within the spirit and scope defined by the claims of the utility model, but they will all fall within the scope of protection of the utility model.

Claims

1. A mold fixing device, characterized in that: It includes a support column, a first support hole and a second support hole, the first support hole is arranged on the upper die portion of the vertical forging die of the automobile half-axle, the second support hole is arranged on the lower die portion of the vertical forging die of the automobile half-axle, and the second support hole is arranged one-to-one with the first support hole, and the two ends of the support column are respectively detachably connected to the corresponding first support hole and the second support hole.

2. The mold fixing device according to claim 1, characterized in that: The support column is configured as a cylindrical structure.

3. The mold fixing device according to claim 1, characterized in that: The supporting column adopts a hollow structure.

4. The mold fixing device according to claim 1, characterized in that: There are four support columns, and the support columns are symmetrically arranged in pairs. Both ends of each support column are provided with the first support hole and the second support hole correspondingly arranged.

5. The mold fixing device according to claim 2, characterized in that: A first limiting ring and a second limiting ring are respectively provided at both ends of the support column, the first limiting ring is provided corresponding to the first supporting hole, and the second limiting ring is provided corresponding to the second supporting hole, the first supporting hole and the second supporting hole are both provided as through holes, the outer diameter of the first limiting ring is larger than the diameter of the first supporting hole, and the outer diameter of the second limiting ring is larger than the diameter of the second supporting hole.

6. The mold fixing device according to claim 5, characterized in that: A handle is arranged on the circumferential surface of the support column, and the handle is arranged between the first limiting ring and the second limiting ring.

7. The mold fixing device according to claim 5, characterized in that: The diameter of the support column is 0.4 mm to 0.6 mm larger than the diameter of the first support hole, and the diameter of the support column is 0.4 mm to 0.6 mm larger than the diameter of the second support hole.

8. The mold fixing device according to claim 5, characterized in that: The end of the support column is provided with a mounting section, and the cross-sectional diameter of the mounting section gradually decreases in a direction away from the axis of the support column to form a frustum-shaped structure.

9. A vertical forging die for an automobile half shaft, characterized in that: It comprises an upper mold part and a lower mold part, wherein the mold fixing device as described in any one of claims 1 to 8 is arranged on the upper mold part and the lower mold part, wherein the upper mold part comprises a plurality of upper modules, wherein the upper modules are fixedly arranged on the upper mold part through an upper mold base, wherein the upper mold part is slidably arranged on a sliding assembly, wherein the first supporting hole is arranged on the upper mold part, and wherein each of the upper modules is arranged in a straight line along the sliding direction of the upper mold part; wherein the lower mold part comprises a lower mold, wherein the lower mold is fixedly arranged on a workbench through the lower mold part, wherein the second supporting hole is arranged on the lower mold part, and wherein the lower mold part is provided with a placing cavity, wherein the forming cavities in each of the upper modules can be respectively arranged corresponding to the placing cavities, and wherein the upper ends of the rods placed in the placing cavities are arranged corresponding to the forming cavities.

10. The automobile half-axle vertical forging die according to claim 9, characterized in that: The sliding assembly includes a slide plate, a slide table and a fixed plate. The upper template is fixedly arranged on the slide plate. The slide plate is slidably connected to the slide table. The slide plate can slide linearly along the slide table. The slide table is fixedly arranged on the fixed plate. The fixed plate is connected to the pressing block of the press.

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