Rapid forming device for hub necking of hub of concentrator

Abstract

The utility model discloses a concentrator hub necking rapid forming device, and particularly relates to the technical field of hub necking forming, the hub necking rapid forming device comprises a bottom plate and a top plate, the upper end of the bottom plate is provided with a lower die assembly, the lower die assembly comprises a lower die plate, a lower cushion block, a lower fixing frame and a lower female die, the lower end of the top plate is provided with an upper die assembly, and the upper die assembly comprises a lower die plate, a lower cushion block, a lower fixing frame and a lower female die. The lower die plate is fixedly connected to the upper end face of the bottom plate, and the lower cushion block is fixedly connected to the upper end face of the lower die plate. Through the arrangement of the ejection structure, the formed part can be directly ejected out of the cavity, manual operation or other tools are not needed, the difficulty of taking-out operation in the cavity with limited space is avoided, the time required for taking out the formed part is shortened, the taking-out efficiency after a hub is formed is improved, and the production efficiency is improved. And the consistency of the process of taking out the formed part every time is ensured, the uncertainty caused by manual operation is avoided, and the quality fluctuation caused by careless taking-out operation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub shrinkage molding, in particular to a hub wheel hub shrinkage rapid molding device. Background Art

[0002] The hub is an important component in vehicles such as cars and bicycles. It is the key component connecting the wheel and the vehicle's main shaft. The hub not only bears the weight of the wheel, but also has functions such as transmitting power and supporting wheel rotation. Therefore, its processing quality directly affects the performance and safety of the vehicle. During the hub processing, it needs to be subjected to shrinking molding using a molding device to ensure its structural strength and functionality.

[0003] Currently, after the wheel hub is formed, it needs to be removed manually or with the help of other tools. However, the space in the cavity is limited, and manual removal is difficult. In addition, it is difficult to ensure consistency in the process of manually removing the finished product. Careless removal operation may cause quality fluctuations in the finished product, resulting in unstable product quality. In addition, careless operation may easily cause scratches and deformation to the molded parts during removal, affecting product quality and reducing the removal efficiency after the wheel hub is formed. Utility Model Content

[0004] The purpose of the utility model is to provide a hub necking rapid prototyping device to solve the above-mentioned technical deficiencies.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hub hub necking rapid prototyping device, comprising a bottom plate and a top plate, the upper end of the bottom plate is provided with a lower mold assembly, the lower mold assembly comprises a lower template, a lower pad, a lower fixed frame and a lower concave mold, the lower template is fixedly connected to the upper end surface of the bottom plate, the lower pad is fixedly connected to the upper end surface of the lower template, the lower concave mold is connected to the mounting groove opened in the lower fixed frame, the lower fixed frame is fixedly connected to the upper end surface of the lower pad, the lower end of the top plate is provided with An upper mold assembly includes an upper mold plate, an upper pad, an upper fixed frame, an upper die, a first punch and a second punch. The upper pad is fixedly connected to the lower end surface of the upper mold plate, the upper die is connected to the mounting groove opened in the upper fixed frame, the upper fixed frame is fixedly connected to the lower end surface of the upper pad, the second punch is clamped on the outside of the first punch, the first punch and the second punch are arranged in a cavity opened through the upper pad and the upper die, and the first punch and the second punch are respectively connected to the upper mold plate through an elastic connecting rod.

[0006] Preferably, a driving assembly is provided on the top plate, and the driving assembly includes a hydraulic cylinder and a hydraulic telescopic rod. The hydraulic cylinder is installed at the middle position of the upper end surface of the top plate, the hydraulic telescopic rod is connected to the output end of the hydraulic cylinder, and the free end of the hydraulic telescopic rod passes through the top plate and is connected to the upper template.

[0007] Preferably, the outer side of the upper die assembly is provided with a limiting assembly, the limiting assembly is composed of a limiting rod, a limiting plate and a limiting hole, the limiting rod is fixedly connected between the bottom plate and the top plate, the limiting hole is opened on the limiting plate, the limiting plate is located outside the limiting rod, and one end of the limiting plate is connected with the outer wall of the upper die plate.

[0008] Specifically, in use, first, the hub blank after preforming is placed in the cavity of the lower die, then the hydraulic cylinder drives the hydraulic telescopic rod to extend, driving the upper die assembly to descend, at this time, the second punch first touches the hub blank, pressing the surface of the hub blank, then the upper die assembly continues to descend, so that the lower end surface of the upper die contacts with the upper end surface of the lower die, and the first punch contacts and extrudes the middle position of the hub blank, so that the hub blank is realized to be necking forming, after forming, the driving assembly drives the upper die assembly to move upwards, when moving upwards and downwards, the limiting plate slides outside the limiting rod, which can play a limiting role, ensuring that the upper die assembly moves vertically.

[0009] Preferably, the lower die assembly is provided with an ejection structure, the ejection structure includes a cavity through the lower die plate, the lower cushion block and the inner wall of the bottom plate, the inside of the cavity is provided with a ejector rod, the upper end surface of the ejector rod is at the same horizontal plane with the bottom of the inner wall of the cavity of the lower die, the lower end surface of the ejector rod is fixedly connected with a connecting column, the front end of the connecting column is provided with a connecting rod, the outer middle position of the connecting rod is installed with a middle gear, the outer wall of the connecting column is provided with a groove matched with the middle gear.

[0010] Preferably, the ejection structure further includes a side gear connected to the end of the connecting rod, the lower end of the side gear is engaged with a rack plate, one side of the lower end surface of the rack plate is fixedly connected with a vertical plate, the side wall of the vertical plate is fixedly connected with a horizontal plate, the end of the horizontal plate away from the vertical plate is connected with a handle.

[0011] Preferably, the inside of the cavity and located at the lower end of the rack plate is connected with a spring, the free end of the spring is connected with the vertical plate.

[0012] Through the above technical solution:

[0013] After forming, first push the handle to the inside, make it move laterally through the rack plate connected by the horizontal plate and the vertical plate, at the same time of moving, the rack plate engages with the side gear, drive the connecting rod to rotate, make the middle gear rotate with the connecting rod, at the same time, the middle gear engages with the groove opened in the connecting column, drive the connecting column to move up, make it drive the ejector rod to move up, this operation can directly eject the forming piece from the cavity, without relying on manual operation or with the help of other tools, reduce the difficulty of taking out operation, reduce the time required for taking out the forming piece, improve the taking out efficiency of the hub after forming, after taking out the forming piece, loosen the handle, use the elastic force of the spring, drive the horizontal plate, the vertical plate, the rack plate, the connecting rod and the ejector rod to restore to the original position, facilitate subsequent ejecting operation.

[0014] Preferably, the front end of the handle is provided with a fixing structure, the fixing structure comprises a fixing seat fixedly connected to the front end of the handle through an end block, an elastic plate is connected in the fixing seat, and a fixed plate is hinged to the free end of the elastic plate.

[0015] Preferably, the fixed plate is fixedly connected with an insertion block close to the side wall of the bottom plate, and the lower end face of the bottom plate is provided with an insertion groove matched with the insertion block.

[0016] Through the above technical scheme:

[0017] When the ejecting structure is not used, the insertion block on the fixed plate is inserted into the insertion groove opened in the bottom plate, which can play a fixing role, ensures the fixation of the ejector rod in the non-use state, avoids the damage to the forming piece caused by the movement of the ejector rod due to external collision, does not affect the quality of the forming piece, ensures the precision of the forming piece, when used, pull down the elastic plate, move the insertion block out of the insertion groove, then bend the fixed plate outward, change it from horizontal to vertical, and the fixation can be released, which does not affect the subsequent ejecting operation.

[0018] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0019] 1. The ejection structure is provided, so that the forming device has the function of ejecting the formed part, and the formed part can be directly ejected from the cavity without manual operation or other tools, avoiding the difficulty of taking out the operation in the limited space of the cavity, reducing the time required for taking out the formed part, improving the taking-out efficiency of the hub after forming, and ensuring the consistency of the process of taking out the formed part each time, avoiding the uncertainty caused by manual operation, reducing the quality fluctuation caused by careless taking-out operation, in addition, preventing the formed part from being scratched or deformed during taking-out due to careless operation, ensuring the quality of the product, and reducing the scrap rate caused by improper operation, and improving the yield;

[0020] 2. The fixing structure is provided, so that the ejection structure has a fixing function, and when the ejection structure is not used, it can be fixed to ensure the fixation of the ejector rod in the non-use state, avoid the damage to the formed part caused by the movement of the ejector rod due to external collision, and not affect the quality of the formed part, and ensure the precision of the formed part. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. 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 based on these drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0023] Figure 2 It is a schematic diagram of the present application;

[0024] Figure 3 It is a schematic diagram of the connection between the ejection structure and the lower die assembly of the present application;

[0025] Figure 4 It is an enlarged schematic diagram of the meshing part of the present application;

[0026] Figure 5 It is an enlarged schematic diagram of the fixing structure of the present application;

[0027] Figure 6 It is a schematic diagram of the connection between the fixing structure and the bottom plate of the present application;

[0028] Figure 7 It is an enlarged schematic diagram of the connection between the plug and the slot of the present application.

[0029] Explanation of reference signs:

[0030] 1, bottom plate; 2, lower die assembly; 21, lower die plate; 22, lower pad; 23, lower fixed frame; 24, lower concave die; 3, top plate; 4, driving assembly; 5, upper die assembly; 51, upper die plate; 52, upper pad; 53, upper fixed frame; 54, upper concave die; 55, first punch; 56, second punch; 6, ejection structure; 61, cavity; 62, ejector rod; 63, connecting column; 64, groove; 65, connecting rod; 66, middle gear; 611, side gear; 612, rack plate; 613, vertical plate; 614, horizontal plate; 615, handle; 616, spring; 7, limiting assembly; 8, fixing structure; 81, fixing seat; 82, elastic plate; 83, fixed plate; 84, plug; 85, slot. DETAILED DESCRIPTION

[0031] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0032] The utility model provides a kind of hub necking quick forming device as Figure 1 And Figure 2 As shown in a kind of hub necking quick forming device, comprising:

[0033] Bottom plate 1 and top plate 3, the upper end of bottom plate 1 is equipped with lower die assembly 2, and lower die assembly 2 includes lower die plate 21, lower pad 22, lower fixed frame 23 and lower concave die 24, lower die plate 21 is fixedly connected to the upper end surface of bottom plate 1, lower pad 22 is fixedly connected to the upper end surface of lower die plate 21, lower concave die 24 is connected in the mounting groove of lower fixed frame 23, and lower fixed frame 23 is fixedly connected to the upper end surface of lower pad 22, and the lower end of top plate 3 is equipped with upper die assembly 5, and upper die assembly 5 includes upper die plate 51, upper pad 52, upper fixed frame 53, upper concave die 54, first punch 55 and second punch 56, upper pad 52 is fixedly connected to the lower end surface of upper die plate 51, upper concave die 54 is connected in the mounting groove of upper fixed frame 53, upper fixed frame 53 is fixedly connected to the lower end surface of upper pad 52, second punch 56 is clamped to the outside of first punch 55, and first punch 55 and second punch 56 are arranged in the cavity through upper pad 52 and upper concave die 54, and first punch 55 and second punch 56 are connected with upper die plate 51 by elastic connecting rod respectively.

[0034] Further, as shown in Figure 2 The upper end surface of top plate 3 is equipped with driving assembly 4, and driving assembly 4 includes hydraulic cylinder and hydraulic telescopic rod, hydraulic cylinder is installed at the intermediate position of the upper end surface of top plate 3, hydraulic telescopic rod is connected to the output end of hydraulic cylinder, and the free end of hydraulic telescopic rod penetrates top plate 3 and is connected with upper die plate 51.

[0035] The outer side of the upper die assembly 5 is provided with a limiting assembly 7, which is composed of a limiting rod, a limiting plate and a limiting hole, the limiting rod is fixedly connected between the bottom plate 1 and the top plate 3, the limiting hole is arranged on the limiting plate, the limiting plate is arranged outside the limiting rod, and one end of the limiting plate is connected with the outer wall of the upper die plate 51.

[0036] Specifically, in use, first, the hub blank after preforming is placed in the cavity of the lower die 24, then the hydraulic cylinder drives the hydraulic telescopic rod to extend, and drives the upper die assembly 5 to descend, at this time, the second punch 56 first touches the hub blank, and presses the surface of the hub blank, then the upper die assembly 5 continues to descend, so that the lower end surface of the upper die 54 contacts the upper end surface of the lower die 24, and the first punch 55 contacts and extrudes the middle position of the hub blank, so that the hub blank is realized to be necked, after forming, the driving assembly 4 drives the upper die assembly 5 to move upwards, and when moving upwards and downwards, the limiting plate slides outside the limiting rod, so that the limiting effect is achieved, and it is ensured that the upper die assembly 5 moves vertically.

[0037] The utility model provides a kind of hub necking rapid forming device as Figure 3 And Figure 4 As shown in a kind of concentrator hub necking rapid forming device, the upper die assembly 2 is equipped with ejection structure 6, and the ejection structure 6 includes the cavity 61 that is arranged in the lower die plate 21, lower cushion block 22 and the inner wall of bottom plate 1, the inside of the cavity 61 is equipped with the top rod 62, the upper end surface of the top rod 62 is at the same horizontal plane with the inner surface wall bottom of the lower die 24, the lower end surface of the top rod 62 is fixedly connected with the connecting column 63, the front end of the connecting column 63 is equipped with connecting rod 65, and the middle position of the outer side of connecting rod 65 is equipped with the middle gear 66, and the outer wall of the connecting column 63 is equipped with the recess 64 used in cooperation with the middle gear 66.

[0038] The ejection structure 6 further includes the side gear 611 connected to the end of the connecting rod 65, the lower end of the side gear 611 is engaged with the rack plate 612, one side of the lower end surface of the rack plate 612 is fixedly connected with the vertical plate 613, the side wall of the vertical plate 613 is fixedly connected with the horizontal plate 614, and the end, away from the vertical plate 613, of the horizontal plate 614 is connected with the handle 615.

[0039] The inside of the cavity 61 and the lower end of the rack plate 612 are connected with the spring 616, and the free end of the spring 616 is connected with the vertical plate 613.

[0040] Through the above technical scheme:

[0041] After forming, first push the handle 615 to the inside, make it move laterally through the rack plate 612 connected by the horizontal plate 614 and the vertical plate 613, and at the same time, the rack plate 612 is engaged with the side gear 611, drives the connecting rod 65 to rotate, and makes the gear 66 rotate with the connecting rod 65, at the same time, the gear 66 is engaged with the groove 64 opened in the connecting column 63, drives the connecting column 63 to move upwards, and makes it drive the top rod 62 to move upwards, which can directly push the formed part out of the cavity without relying on manual operation or other tools, reduces the difficulty of taking out operation, reduces the time required for taking out the formed part, and improves the taking out efficiency of the hub after forming, loosens the handle 615 after the formed part is taken out, and drives the horizontal plate 614, the vertical plate 613, the rack plate 612, the connecting rod 65 and the top rod 62 to restore to the original position by the elastic force of the spring 616, facilitating subsequent ejection operation.

[0042] The utility model provides a kind of hub necking rapid forming device as shown in Figure 5-Figure 7 The front end of the handle 615 is provided with a fixing structure 8, the fixing structure 8 includes a fixed seat 81 fixedly connected to the front end of the handle 615 by an end block, and the inside of the fixed seat 81 is connected with an elastic plate 82, and the free end of the elastic plate 82 is hinged with a fixed plate 83.

[0043] The fixed plate 83 is fixedly connected with an insertion block 84 close to the side wall of the bottom plate 1, and the lower end surface of the bottom plate 1 is provided with an insertion groove 85 matched with the insertion block 84.

[0044] Through the above technical scheme:

[0045] When the ejection structure 6 is not used, the insertion block 84 on the fixed plate 83 is inserted into the insertion groove 85 opened in the bottom plate 1, which can play a fixed role, ensures the fixation of the top rod 62 in the non-use state, avoids the damage to the formed part caused by the movement of the top rod 62 due to external impact, does not affect the quality of the formed part, ensures the precision of the formed part, and in use, the elastic plate 82 is pulled down to move the insertion block 84 out of the insertion groove 85, and then the fixed plate 83 is bent outward to change from horizontal to vertical, so that the fixation is released, and the subsequent ejection operation is not affected.

[0046] The above only describes certain exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection claimed by the utility model.

Claims

1. A hub hub necking rapid prototyping device, characterized in that: include: A bottom plate (1) and a top plate (3), wherein the upper end of the bottom plate (1) is provided with a lower die assembly (2), wherein the lower die assembly (2) comprises a lower die plate (21), a lower pad (22), a lower fixed frame (23) and a lower concave die (24), and the lower end of the top plate (3) is provided with an upper die assembly (5), wherein the lower die plate (21) is fixedly connected to the upper end surface of the bottom plate (1), the lower pad (22) is fixedly connected to the upper end surface of the lower die plate (21), the lower concave die (24) is connected to a mounting groove provided in the lower fixed frame (23), the lower fixed frame (23) is fixedly connected to the upper end surface of the lower pad (22), and the lower die assembly (2) is provided with an ejection structure (6); The ejection structure (6) includes a cavity (61) extending through the lower mold plate (21), the lower pad (22) and the inner wall of the bottom plate (1); a push rod (62) is provided inside the cavity (61); the upper end surface of the push rod (62) is in the same horizontal plane as the bottom of the inner wall of the cavity of the lower die (24); the lower end surface of the push rod (62) is fixedly connected to a connecting column (63); a connecting rod (65) is provided at the front end of the connecting column (63); a middle gear (66) is installed at the middle position of the outer portion of the connecting rod (65); and a groove (64) for use with the middle gear (66) is provided on the outer wall of the connecting column (63).

2. The hub necking rapid prototyping device according to claim 1, characterized in that: The ejection structure (6) further comprises a side gear (611) connected to the end of the connecting rod (65); the lower end of the side gear (611) is meshed with a rack plate (612); a vertical plate (613) is fixedly connected to one side of the lower end surface of the rack plate (612); a horizontal plate (614) is fixedly connected to the side wall of the vertical plate (613); and a handle (615) is connected to one end of the horizontal plate (614) away from the vertical plate (613).

3. The hub necking rapid prototyping device according to claim 1, characterized in that: A spring (616) is connected inside the cavity (61) and at the lower end of the rack plate (612), and the free end of the spring (616) is connected to the vertical plate (613).

4. The hub necking rapid prototyping device according to claim 1, characterized in that: The upper mold assembly (5) comprises an upper mold plate (51), an upper pad (52), an upper fixed frame (53), an upper die (54), a first punch (55) and a second punch (56); the upper pad (52) is fixedly connected to the lower end surface of the upper mold plate (51); the upper die (54) is connected to a mounting groove provided in the upper fixed frame (53); the upper fixed frame (53) is fixedly connected to the lower end surface of the upper pad (52); the second punch (56) is clamped on the outside of the first punch (55); the first punch (55) and the second punch (56) are arranged in a cavity provided through the upper pad (52) and the upper die (54); and the first punch (55) and the second punch (56) are respectively connected to the upper mold plate (51) through an elastic connecting rod.

5. The hub necking rapid prototyping device according to claim 1, characterized in that: A driving assembly (4) is provided on the top plate (3), and the driving assembly (4) includes a hydraulic cylinder and a hydraulic telescopic rod. The hydraulic cylinder is installed at the middle position of the upper end surface of the top plate (3), and the hydraulic telescopic rod is connected to the output end of the hydraulic cylinder, and the free end of the hydraulic telescopic rod passes through the top plate (3) and is connected to the upper template (51).

6. The hub necking rapid prototyping device according to claim 2, characterized in that: The front end of the handle (615) is provided with a fixing structure (8), and the fixing structure (8) includes a fixing seat (81) fixedly connected to the front end of the handle (615) through an end block, an elastic plate (82) is connected inside the fixing seat (81), and a fixing plate (83) is hinged at the free end of the elastic plate (82).

7. The hub necking rapid prototyping device according to claim 6, characterized in that: The fixing plate (83) is fixedly connected to a side wall close to the bottom plate (1) with an inserting block (84), and the lower end surface of the bottom plate (1) is provided with a slot (85) adapted to the inserting block (84).

8. The hub necking rapid prototyping device according to claim 1, characterized in that: A limiting assembly (7) is provided on the outer side of the upper mold assembly (5), and the limiting assembly (7) consists of a limiting rod, a limiting plate and a limiting hole. The limiting rod is fixedly connected between the bottom plate (1) and the top plate (3), and the limiting hole is opened on the limiting plate. The limiting plate is provided on the outside of the limiting rod, and one end of the limiting plate is connected to the outer wall of the upper mold plate (51).

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