Expanding machine for inner barrel of washing machine

Abstract

The utility model relates to the technical field of washing machine inner barrel forming, and discloses a washing machine inner barrel expanding machine which comprises a workbench, an expanding core assembly, an expanding block assembly, a bearing assembly and a limiting assembly. According to the expanding machine for the inner barrel of the washing machine, through cooperation of the expanding core assembly, the expanding block assembly, the bearing assembly and the limiting assembly, effective positioning and uniform pressure applying on an inner barrel product are achieved, the forming quality is improved, the detachable expanding plate facilitates rapid equipment model changing, the expanding machine is suitable for inner barrel products of various models, and the universality of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to washing machine inner drum forming technical field especially relates to a washing machine inner drum bulging machine. BACKGROUND

[0002] Aiming at the special cylindrical shape and concave-convex feature of the washing machine inner drum, its processing mode mainly has bulging forming and welding forming. Among them, the welding forming process is more complex, and the product quality is poor, and the bulging forming process depends on the bulging plate of a specific surface, and a set of equipment is only suitable for one product, the equipment cost is high, and uneven deformation is prone to occur in the bulging process, and the concentricity of the outer side wall of the inner drum after bulging is poor. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a washing machine inner drum bulging machine to solve the problems mentioned in the above background technical, guarantee the forming quality of the washing machine inner drum, and improve the versatility of the equipment.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A washing machine inner drum bulging machine, including workbench, bulging core subassembly, bulging block subassembly, bearing assembly and limiting component, wherein:

[0006] The bulging core subassembly includes a mandrel and a multi-ribbed platform transmission block, the mandrel is erected on the workbench and is driven by the first hydraulic cylinder to move vertically relative to the workbench, and the multi-ribbed platform transmission block is fixed on the mandrel;

[0007] The bulging block subassembly includes a transmission slide plate and a bulging plate, a plurality of transmission slide plates correspond to each inclined side surface of the multi-ribbed platform transmission block one by one and are in sliding cooperation, so that the vertical movement of the multi-ribbed platform transmission block is converted into the radial movement of each transmission slide plate, and each transmission slide plate is provided with a bulging plate correspondingly, and the bulging plate is detachably installed on the outer side surface of the transmission slide plate;

[0008] The bearing assembly includes a plurality of support blocks arranged on the workbench, and each support block is used for supporting the bottom end of the inner drum product to be processed;

[0009] The limiting component includes a ring plate and a thimble, the ring plate is coaxially arranged on the outer circle of each bulging plate with the mandrel, and the ring plate is driven by the second hydraulic cylinder to move vertically relative to the workbench, each bulging plate is provided with a thimble correspondingly, each thimble is uniformly distributed on the ring plate, and each thimble is used for forming the outer limiting of the inner drum product.

[0010] As an optional scheme, the outer side surface of the transmission slide plate is provided with a vertical slot, the bottom of the vertical slot is provided with a stop block, the surface of the bulging plate close to the transmission slide plate is provided with a protruding block matched with the vertical slot, the protruding block is installed in the vertical slot from the top of the vertical slot and is limited by the stop block, and the top of the bulging plate is provided with a handle.

[0011] As an alternative, a radial slide rail is arranged on the workbench corresponding to each transmission slide plate, and a sliding block is arranged on the radial slide rail and fixedly connected to the bottom of the corresponding transmission slide plate.

[0012] As an alternative, a stroke plate is arranged on one side of each sliding block, and a proximity switch for detecting the position of each stroke plate is arranged on the workbench.

[0013] As an alternative, a support block is arranged at the bottom of the gap between the adjacent two expansion plates, and a notch is arranged on the expansion plate to avoid the support block.

[0014] As an alternative, a guide block is arranged on each inclined side surface of the multi-prism platform transmission block, and a wedge-shaped block matched with the guide block is arranged on the surface of the transmission slide plate close to the multi-prism platform transmission block.

[0015] As an alternative, a sleeve is arranged on the workbench, a mandrel is arranged in the sleeve and in sliding fit with the sleeve, the cylinder body of the first hydraulic cylinder is fixed on the lower surface of the workbench, and the driving rod of the first hydraulic cylinder is connected to the bottom end of the mandrel.

[0016] As an alternative, two second hydraulic cylinders are arranged, which are arranged on the lower sides of the annular plate, the cylinder body of the second hydraulic cylinder is fixed on the workbench, and the driving rod of the second hydraulic cylinder is connected to the lower surface of the annular plate.

[0017] As an alternative, a hydraulic station is arranged on one side of the workbench, which is used to provide continuous hydraulic power to the first hydraulic cylinder and the second hydraulic cylinder.

[0018] As an alternative, an isolation net is arranged on the workbench to enclose the expansion core assembly, the expansion block assembly, the bearing assembly and the limiting assembly, and an electrical box and a two-hand starting button are arranged on the outer side of the isolation net.

[0019] The beneficial effects of the utility model are as follows:

[0020] The washing machine inner drum expansion machine realizes effective positioning and uniform pressure on the inner drum product through the cooperation of the expansion core assembly, the expansion block assembly, the bearing assembly and the limiting assembly, improves the forming quality, and the detachable expansion plate facilitates rapid equipment remodeling, so as to be suitable for various models of inner drum products and improve the universality of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is a structure schematic view of the washing machine inner drum expansion machine provided by the utility model embodiment;

[0022] Fig. 2 is a cooperation schematic view of the expansion core assembly, the expansion block assembly, the bearing assembly and the limiting assembly.

[0023] Fig. 3 Figure 1 is a structural schematic diagram of the core assembly, the block assembly and the bearing assembly according to the embodiment of the utility model.

[0024] In the drawings:

[0025] 1, workbench; 11, radial slide rail; 12, sliding block; 13, stroke plate; 14, proximity switch; 15, connecting plate;

[0026] 2, core assembly; 21, mandrel; 22, multi-rib platform transmission block; 23, first hydraulic cylinder;

[0027] 3, block assembly; 31, transmission slide plate; 32, expansion plate; 33, vertical slot; 34, stop block; 35, protruding block; 36, handle; 37, notch; 38, guide block; 39, wedge block;

[0028] 4, bearing assembly; 41, support block;

[0029] 5, limiting assembly; 51, annular plate; 52, thimble; 53, second hydraulic cylinder;

[0030] 6, hydraulic station;

[0031] 7, isolation net;

[0032] 8, electrical box;

[0033] 9, double-hand starting button. DETAILED DESCRIPTION

[0034] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0035] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "upper surface of" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature "under", "below" and "under surface of" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.

[0037] In the description of the embodiment, the orientation or position relationship of the terms "on", "under", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.

[0038] In addition, the terms "first", "second" and the like are only used for differentiation in description, and have no special meaning.

[0039] Please refer to Figs. 1 to 3 As shown in the figure, the utility model provides a washing machine inner tube expansion machine, including workbench 1, core assembly 2, expansion block assembly 3, bearing assembly 4 and limiting assembly 5, wherein:

[0040] Core assembly 2 includes mandrel 21 and multi-rib platform transmission block 22, mandrel 21 is erected on workbench 1 and is driven to move vertically relative to workbench 1 by first hydraulic cylinder 23, and multi-rib platform transmission block 22 is fixed on mandrel 21;

[0041] Expansion block assembly 3 includes transmission slide plate 31 and expansion plate 32, a plurality of transmission slide plates 31 are one-to-one corresponding with each inclined side surface of multi-rib platform transmission block 22 and are slidingly matched, so that the vertical movement of multi-rib platform transmission block 22 is converted into the radial movement of each transmission slide plate 31, one expansion plate 32 is correspondingly arranged on each transmission slide plate 31, and expansion plate 32 is detachably installed on the outer side surface of transmission slide plate 31;

[0042] Bearing assembly 4 includes a plurality of support blocks 41 arranged on workbench 1, and each support block 41 is used for supporting the bottom end of the inner tube product to be processed;

[0043] The limiting assembly 5 comprises an annular plate 51 and a top pin 52, the annular plate 51 is coaxially arranged on the outer ring of each bulging plate 32, and the annular plate 51 is driven by a second hydraulic cylinder 53 to move vertically relative to the workbench 1, and each bulging plate 32 is correspondingly provided with a top pin 52, and each top pin 52 is circumferentially distributed on the annular plate 51, and each top pin 52 is used for forming an outer limit for the inner drum product.

[0044] Therefore, the inner drum bulging machine of the washing machine realizes effective positioning and uniform pressure on the inner drum product through the cooperation of the bulging core assembly 2, the bulging block assembly 3, the bearing assembly 4 and the limiting assembly 5, improves the forming quality, and the detachable bulging plate 32 facilitates the rapid change of the equipment to adapt to various models of inner drum products, and improves the versatility of the equipment.

[0045] In the embodiment, the multi-ribbed transmission block 22 has six inclined side surfaces as an example, that is, six transmission sliding plates 31 and six bulging plates 32 are correspondingly provided, but it is not limited thereto, and the number of inclined side surfaces, transmission sliding plates 31 and bulging plates 32 can be designed according to the diameter size of the inner drum product.

[0046] Optionally, the outer surface of the transmission sliding plate 31 is provided with a vertical slot 33, the bottom of the vertical slot 33 is provided with a stop block 34, the surface of the bulging plate 32 close to the transmission sliding plate 31 is provided with a protruding block 35 matched with the vertical slot 33, the protruding block 35 is installed in the vertical slot 33 from the top of the vertical slot 33 and is limited by the stop block 34, and the top of the bulging plate 32 is provided with a handle 36.

[0047] Therefore, the bulging plate 32 is quickly installed in the vertical slot 33 or taken out from the vertical slot 33 by the handle 36 to replace the bulging plate 32 of different profiles (the high and low profiles of the bulging plate 32 are shown in the and Fig. 2 and Fig. 3 , and the bulging plate 32 is stably installed on the transmission sliding plate 31 to ensure the forming quality.

[0048] Optionally, the workbench 1 is provided with a radial sliding rail 11 corresponding to each transmission sliding plate 31, the radial sliding rail 11 is provided with a sliding block 12, and the sliding block 12 is provided with a connecting plate 15 fixedly connected with the bottom of the corresponding transmission sliding plate 31.

[0049] Therefore, it is ensured that each transmission sliding plate 31 can only move in the radial direction of the horizontal plane to expand outward and complete the bulging processing of the inner drum product.

[0050] Optionally, one side of each connecting plate 15 is provided with a travel plate 13, and the workbench 1 is provided with a proximity switch 14 for detecting the position of each travel plate 13.

[0051] Therefore, the bulging action is stopped in time after the transmission sliding plate 31 reaches the target position, so as to avoid damaging the inner drum product.

[0052] Optionally, the support block 41 is arranged at the bottom of the gap between two adjacent inflatable plates 32, and the inflatable plate 32 is provided with a notch 37 avoiding the support block 41.

[0053] Therefore, the structure layout is optimized, and the overall structure is more compact.

[0054] Optionally, a guide block 38 is arranged on each inclined side surface of the multi-ribbed platform transmission block 22, and a wedge-shaped block 39 matched with the guide block 38 is arranged on the surface of the transmission sliding plate 31 close to the multi-ribbed platform transmission block 22.

[0055] Therefore, the vertical movement of the multi-ribbed platform transmission block 22 is converted into the radial movement of the transmission sliding plate 31 through the cooperation of the wedge-shaped block 39 of the transmission sliding plate 31 and the guide block 38 of the multi-ribbed platform transmission block 22, and the inflation function is realized.

[0056] Optionally, a sleeve is arranged on the workbench 1, the mandrel 21 is arranged in the sleeve and is in sliding fit with the sleeve, the cylinder body of the first hydraulic cylinder 23 is fixed on the lower surface of the workbench 1, and the driving rod of the first hydraulic cylinder 23 is connected with the bottom end of the mandrel 21.

[0057] Therefore, the mandrel 21 is accurately lifted and moved in the vertical direction through the first hydraulic cylinder 23.

[0058] Optionally, two second hydraulic cylinders 53 are arranged, and the two second hydraulic cylinders 53 are arranged on the lower sides of the annular plate 51, the cylinder body of the second hydraulic cylinder 53 is fixed on the workbench 1, and the driving rod of the second hydraulic cylinder 53 is connected with the lower surface of the annular plate 51.

[0059] Optionally, a hydraulic station 6 is arranged on one side of the workbench 1, and the hydraulic station 6 is used for providing continuous hydraulic power to the first hydraulic cylinder 23 and the second hydraulic cylinder 53.

[0060] Optionally, an isolation net 7 is arranged on the workbench 1, and the inflation core assembly 2, the inflation block assembly 3, the bearing assembly 4 and the limiting assembly 5 are surrounded in the isolation net 7, and an electrical box 8 and a two-hand starting button 9 are arranged on the outer side of the isolation net 7.

[0061] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be carried out without departing from the protection scope of the utility model. Here, it is unnecessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A washing machine tub bulging machine, characterized by, The utility model relates to a kind of inner tube product processing device, including workbench (1), core assembly (2), bulge block assembly (3), bearing assembly (4) and limiting assembly (5), wherein: The core assembly (2) includes a mandrel (21) and a multi-prism platform transmission block (22), the mandrel (21) is erected on the workbench (1) and is driven by a first hydraulic cylinder (23) to move vertically relative to the workbench (1), the multi-prism platform transmission block (22) is fixed on the mandrel (21); The bulge block assembly (3) includes a transmission slide plate (31) and a bulging plate (32), a plurality of transmission slide plates (31) correspond to each inclined side surface of the multi-prism platform transmission block (22) one by one and are slidingly engaged, so that the vertical movement of the multi-prism platform transmission block (22) is converted into the radial movement of each transmission slide plate (31), and each transmission slide plate (31) is provided with a bulging plate (32) corresponding to it, which is detachably mounted on the outer side surface of the transmission slide plate (31). The bearing assembly (4) includes a plurality of support blocks (41) provided on the workbench (1), and each support block (41) is used to support the bottom end of the inner tube product to be processed. The limiting assembly (5) includes an annular plate (51) and a thimble (52), the annular plate (51) is coaxially arranged with the mandrel (21) outside each bulging plate (32), and the annular plate (51) is driven by a second hydraulic cylinder (53) to move vertically relative to the workbench (1), each bulging plate (32) is provided with a thimble (52) corresponding to it, and each thimble (52) is circumferentially distributed on the annular plate (51), and each thimble (52) is used to form an outer limit for the inner tube product.

2. The washing machine inner tub bulging machine according to claim 1, characterized in that, The outer side surface of the transmission slide plate (31) is provided with a vertical slot (33), the bottom of the vertical slot (33) is provided with a stop block (34), the surface of the bulging plate (32) close to the transmission slide plate (31) is provided with a protruding block (35) matched with the vertical slot (33), the protruding block (35) is loaded into the vertical slot (33) from the top of the vertical slot (33) and is limited by the stop block (34), and the top of the bulging plate (32) is provided with a handle (36).

3. The washing machine inner tub bulging machine according to claim 1, characterized in that, The workbench (1) is provided with a radial slide rail (11) corresponding to each transmission slide plate (31), the radial slide rail (11) is provided with a sliding block (12), and the sliding block (12) is provided with a connecting plate (15) fixedly connected with the bottom of the corresponding transmission slide plate (31).

4. The washing machine inner tub bulging machine according to claim 3, characterized in that, One side of each connecting plate (15) is provided with a stroke plate (13), and the workbench (1) is provided with a proximity switch (14) for detecting the position of each stroke plate (13).

5. The washing machine inner tub bulging machine according to claim 1, wherein, The support block (41) is arranged at the bottom of the gap between adjacent two bulging plates (32), and the bulging plate (32) is provided with a notch (37) to avoid the support block (41).

6. The washing machine inner tub bulging machine according to claim 1, wherein, The inclined side of the multi-ribbed platform transmission block (22) is provided with a guide block (38), and the surface of the transmission slide plate (31) close to the multi-ribbed platform transmission block (22) is provided with a wedge-shaped block (39) matched with the guide block (38).

7. The washing machine inner tub bulging machine according to claim 1, wherein, The workbench (1) is provided with a sleeve, the mandrel (21) is arranged in the sleeve and is in sliding fit with the sleeve, the cylinder body of the first hydraulic cylinder (23) is fixed on the lower surface of the workbench (1), and the driving rod of the first hydraulic cylinder (23) is connected with the bottom end of the mandrel (21).

8. The washing machine inner tub bulging machine according to claim 1, wherein, The second hydraulic cylinder (53) is provided with two, and the two second hydraulic cylinders (53) are distributed on the lower sides of the annular plate (51), the cylinder body of the second hydraulic cylinder (53) is fixed on the workbench (1), and the driving rod of the second hydraulic cylinder (53) is connected with the lower surface of the annular plate (51).

9. The washing machine inner tub bulging machine according to claim 1, wherein, One side of the workbench (1) is provided with a hydraulic station (6), and the hydraulic station (6) is used to provide continuous hydraulic power to the first hydraulic cylinder (23) and the second hydraulic cylinder (53).

10. The washing machine inner tub bulging machine according to claim 1, characterized in that, The workbench (1) is provided with an isolation net (7) for surrounding the core expanding assembly (2), the bulge block assembly (3), the bearing assembly (4) and the limiting assembly (5), and the outer side of the isolation net (7) is provided with an electrical box (8) and a double-hand starting button (9).

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