Engineering check ring die

Abstract

The utility model provides an engineering check ring die, and relates to the technical field of machining. Comprising a male die, a female die, an outer ring, an upper die plate and a lower die plate, the outer ring is installed on the outer side of the female die, the inner forming face of the male die is matched with the inner side of the check ring in shape, the outer forming face of the female die is matched with the outer side of the check ring in shape, and the check ring is placed on the inner forming face of the male die. The inner forming face of the male die and the outer forming face of the female die jointly press the check ring to be formed. The fourth inclined plane included angle beta of the outer ring facilitates press-fitting work of the outer ring and the female die, transition connection of the first inner face, the third inclined plane, the second inner face and the arc facilitates improvement of press-fitting stability and strength of the outer ring and the female die, and the step face of the male die facilitates press-forming of the check ring. The small-angle inclined plane included angle delta and the large-angle inclined plane included angle theta are convenient for the check ring to easily enter the female die when the check ring is pressed, and the check ring is easy to separate from the female die after the check ring is pressed; and the included angle alpha between the notch of the outer ring and the fifth inclined surface reduces the weight of the mold.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially relates to an engineering retaining ring die. BACKGROUND

[0002] At present, the retaining ring for wheel engineering of 49 inches and above usually adopts ring forging machining or steel plate pressing, the material utilization rate is low by adopting ring forging machining retaining ring, the high cost of die investment is adopted by adopting steel plate pressing to make retaining ring. UTILITY MODEL CONTENTS

[0003] The utility model provides an engineering retaining ring die, and the prior art has the problems of low material utilization rate of ring forging machining and high cost of die investment of steel plate pressing.

[0004] To solve the above-mentioned utility model problems, the technical scheme provided by the utility model is as follows:

[0005] An engineering retaining ring die, comprising a punch and a die, the outer side of the punch is provided with a second inclined surface and an inner forming surface connected in sequence, the inner side of the die is provided with a first inclined surface, an outer forming surface, a small-angle inclined surface and a large-angle inclined surface connected in sequence, the inner forming surface is matched with the inner side shape of the retaining ring, and the outer forming surface is matched with the outer side shape of the retaining ring.

[0006] An outer ring is mounted on the outer side of the die, the outer side of the die is provided with a first outer surface, a second inclined surface and a second outer surface connected in sequence, the inner side of the outer ring is provided with a first inner surface, a third inclined surface, a second inner surface and a fourth inclined surface connected in sequence, and the first outer surface, the second inclined surface and the second outer surface of the die correspond to the first inner surface, the third inclined surface and the second inner surface of the outer ring and are attached.

[0007] Preferably, the outer side of the punch is connected with the inner forming surface step surface, and the bottom of the retaining ring is on the step surface of the punch.

[0008] Preferably, the included angle between the small-angle inclined surface and the die axis is 1°-3°, and the included angle between the large-angle inclined surface and the die axis is 8°-12°.

[0009] Preferably, the included angle between the fourth inclined surface and the outer ring axis is 8°-12°.

[0010] Preferably, the outer side of the outer ring is provided with a missing groove.

[0011] Preferably, the missing groove is provided with a fifth inclined surface, and the included angle between the fifth inclined surface and the outer ring axis is 28°-32°.

[0012] Preferably, the die further comprises an upper die plate, and the bottom of the die plate is connected with the top of the die through bolts.

[0013] Preferably, the mold further comprises a lower mold plate, and the top of the lower mold plate is connected with the bottom of the male die by bolts.

[0014] Preferably, the small-angle inclined surface is connected with the large-angle inclined surface in a circular arc transition mode, and the large-angle inclined surface is connected with the bottom surface of the female die in a circular arc transition mode.

[0015] Preferably, the first inner surface is connected with the third inclined surface in a circular arc transition mode, the second inner surface is connected with the fourth inclined surface in an arc transition mode, and the fourth inclined surface is connected with the bottom surface of the outer ring in a circular arc transition mode.

[0016] Compared with the prior art, the technical scheme has at least the following beneficial effects:

[0017] The above scheme uses the mold to process the retaining ring, has high material utilization rate and low cost. The fourth inclined surface of the outer ring is provided with an angle β, which facilitates the pressing work of the outer ring and the female die. The first inner surface, the third inclined surface and the second inner surface are sequentially connected, and the first inner surface and the third inclined surface are connected in a circular arc transition mode, which is beneficial to improve the stability of the pressing of the outer ring and the female die and improve the strength of the outer ring and the female die. The inner side of the retaining ring is placed on the inner forming surface of the male die, the bottom of the retaining ring is placed on the step surface of the male die, and the step surface is provided to facilitate the pressing forming of the retaining ring. The small-angle inclined surface is provided with an angle δ and the large-angle inclined surface is provided with an angle θ, which facilitates the entry of the retaining ring into the female die during pressing and facilitates the separation of the retaining ring from the female die after the pressing of the retaining ring is completed. The outer ring is provided with a missing groove and the fifth inclined surface is provided with an angle α, which reduces the weight of the mold. The female die is made of H13 steel, has high service life, and the outer ring is made of 45# steel, which reduces the cost of the mold. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a front view of the engineering retaining ring mold of the present application.

[0020] Figure 2 It is a top view of the engineering retaining ring mold of the present application.

[0021] Figure 3 It is a front view of the outer ring of the engineering retaining ring mold of the present application.

[0022] Figure 4 It is a left view of the outer ring of the engineering retaining ring mold of the present application.

[0023] Figure 5 is a top view of the outer ring of the engineering check ring mold of the utility model;

[0024] Figure 6 is Figure 3 is an enlarged view of C in the figure;

[0025] Figure 7 is a front view of the concave die of the engineering check ring mold of the utility model;

[0026] Figure 8 is Figure 7 is an enlarged view of A in the figure;

[0027] Figure 9 is a front view of the convex die of the engineering check ring mold of the utility model;

[0028] Figure 10 is Figure 9 is an enlarged view of B in the figure.

[0029] The following is the explanation of the reference signs:

[0030] 1, upper die plate; 2, bolt; 3, outer ring; 31, first inner surface; 32, third inclined surface; 33, second inner surface; 34, fourth inclined surface; 35, missing groove; 351, fifth inclined surface; 4, concave die; 41, first inclined surface; 42, outer forming surface; 43, small angle inclined surface; 44, large angle inclined surface; 45, first outer surface; 46, second inclined surface; 47, second outer surface; 5, convex die; 51, second inclined surface; 52, inner forming surface; 53, step surface; 6, inner hexagonal screw; 7, lower die plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the ordinary meaning as understood by a person of ordinary skill in the art to which the present application pertains. The terms "first", "second", and similar terms used in the present application do not denote any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms "one", "a", or "the" do not denote a quantity restriction, but indicate the presence of at least one. The terms "include" or "contain" and similar terms mean that the elements or objects before the terms encompass the elements or objects listed after the terms and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect.

[0033] It should be noted that the terms "upper", "lower", "left", "right", "front", "back", and the like used in the present application are merely used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships can also change accordingly.

[0034] As shown in Figure 1 and Figure 2 , the present embodiment provides an engineering check ring mold, which comprises a male die 5, a female die 4, an outer ring 3, an upper mold plate 1 and a lower mold plate 7. The bottom of the mold plate is connected to the top of the female die 4 through a bolt 2, and the top of the lower mold plate 7 is connected to the bottom of the male die 5 through a bolt 2. The outer ring 3 is installed on the outer side of the female die 4. The inner forming surface 52 of the male die 5 is matched with the shape of the inner side of the check ring, and the outer forming surface 42 of the female die 4 is matched with the shape of the outer side of the check ring. The check ring is placed on the inner forming surface 52 of the male die 5, and the female die 4 is pressed downward. The inner forming surface 52 of the male die 5 and the outer forming surface 42 of the female die 4 jointly press the check ring to form.

[0035] As shown in Figure 9 and Figure 10 , the outer side of the male die 5 is provided with a second inclined surface 5146 and an inner forming surface 52 connected in sequence. The outer side of the male die 5 is connected with a step surface 53 at the inner forming surface 52. The size of the step surface 53 is matched with the size of the bottom of the check ring.

[0036] As shown in Figure 7 and Figure 8As shown, the inner side of the die 4 is provided with sequentially connected first slope 41, outer forming surface 42, small angle slope 43 and large angle slope 44, the small angle slope 43 and the large angle slope 44 are connected by arc transition, the large angle slope 44 and the bottom surface of the die 4 are connected by arc transition; the outer side of the die 4 is provided with sequentially connected first outer surface 45, second slope 5146 and second outer surface 47, the included angle δ between the small angle slope 43 and the axis of the die 4 is 1°-3°, preferably 2°; the included angle θ between the large angle slope 44 and the axis of the die 4 is 8°-12°, preferably 10°.

[0037] As shown, Figures 3-6 As shown, the outer side of the outer ring 3 is provided with a missing groove 35, the missing groove 35 is provided with a fifth slope 351, the included angle α between the fifth slope 351 and the axis of the outer ring 3 is 28°-32°, preferably 30°. The inner side of the outer ring 3 is provided with sequentially connected first inner surface 31, third slope 32, second inner surface 33 and fourth slope 34, the first inner surface 31 and the third slope 32 are connected by arc transition, the second inner surface 33 and the fourth slope 34 are connected by arc transition, the fourth slope 34 and the bottom surface of the outer ring 3 are connected by arc transition; the included angle β between the fourth slope 34 and the axis of the outer ring 3 is 8°-12°, preferably 10°.

[0038] The engineering retaining ring die of the utility model in use, the outer ring 3 is pressed and mounted on the outer side of the die 4, the first outer surface 45, the second slope 5146 and the second outer surface 47 on the outer side of the die 4 correspondingly adhere to the first inner surface 31, the third slope 32 and the second inner surface 33 of the inner ring of the outer ring 3, the fourth slope 34 of the outer ring 3 is provided with the included angle β, which is convenient for the pressing and mounting work of the outer ring 3 and the die 4; the first inner surface 31, the third slope 32 and the second inner surface 33 are sequentially connected, and the first inner surface 31 and the third slope 32 are connected by arc transition, which is conducive to improving the stability of the pressing and mounting of the outer ring 3 and the die 4 and improving the strength of the outer ring 3 and the die 4.

[0039] The inner side of the retaining ring is placed on the inner forming surface 52 of the convex die 5, the bottom of the retaining ring is placed on the step surface 53 of the convex die 5, and the step surface 53 is provided to facilitate the pressing forming of the retaining ring.

[0040] The small angle slope 43 and the large angle slope 44 are provided with the included angle δ and the included angle θ, which is convenient for the retaining ring to enter the die 4 when pressing the retaining ring, and the retaining ring is easy to separate from the die 4 after the pressing of the retaining ring is completed; the missing groove 35 of the outer ring 3 and the fifth slope 351 are provided with the included angle α, which reduces the weight of the die. The die 4 is an H13 steel die 4, which has high service life, and the outer ring 3 is a 45# steel outer ring 3, which has low die cost.

[0041] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. An engineered check ring mold, characterized by, The punch includes a second inclined surface and an inner forming surface connected in sequence on the outer side, and the die includes a first inclined surface, an outer forming surface, a small-angle inclined surface and a large-angle inclined surface connected in sequence on the inner side, the inner forming surface is matched with the inner side of the check ring, and the outer forming surface is matched with the outer side of the check ring; An outer ring is mounted on the outer side of the die, the outer side of the die is provided with a first outer surface, a second inclined surface and a second outer surface connected in sequence, the inner side of the outer ring is provided with a first inner surface, a third inclined surface, a second inner surface and a fourth inclined surface connected in sequence, and the first outer surface, the second inclined surface and the second outer surface of the die correspond to the first inner surface, the third inclined surface and the second inner surface of the outer ring.

2. The engineered check ring mold of claim 1, wherein, The outer side of the punch is connected with a step surface of the inner forming surface, and the bottom of the check ring is supported on the step surface of the punch.

3. The engineered check ring mold of claim 1, wherein, The included angle between the small-angle inclined surface and the die axis is 1°-3°, and the included angle between the large-angle inclined surface and the die axis is 8°-12°.

4. The engineered check ring mold of claim 1, wherein, The included angle between the fourth inclined surface and the outer ring axis is 8°-12°.

5. The engineered check ring mold of claim 1, wherein, The outer side of the outer ring is provided with a missing groove.

6. The engineered check ring mold of claim 5, wherein, A fifth inclined surface is arranged in the missing groove, and the included angle between the fifth inclined surface and the outer ring axis is 28°-32°.

7. The engineered check ring mold of claim 1, wherein, The mold further includes an upper die plate, and the bottom of the die plate is connected with the top of the die through bolts.

8. The engineered check ring mold of claim 1, wherein, The mold further includes a lower die plate, and the top of the lower die plate is connected with the bottom of the punch through bolts.

9. The engineered check ring mold of claim 1, wherein, The small-angle inclined surface and the large-angle inclined surface are connected in a circular arc transition, and the large-angle inclined surface and the bottom surface of the die are connected in a circular arc transition.

10. The engineered check ring mold of claim 1, wherein, The first inner surface and The third inclined surface are connected in a circular arc transition, the second inner surface and the fourth inclined surface are connected in a circular arc transition, and the fourth inclined surface and the bottom surface of the outer ring are connected in a circular arc transition.

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