Roundness detection device for tire mold

Abstract

The utility model relates to the technical field of tire molds, in particular to a roundness detection device for a tire mold, which comprises a base, a roundness instrument body is fixedly mounted on the base, a groove is formed in the base, a placing table for placing the tire mold is rotatably connected in the groove, a plurality of arc-shaped plates are slidably arranged on the placing table, and the arc-shaped plates are arranged on the arc-shaped plates. A containing cavity is formed in the containing table, a driving part is arranged in the containing cavity, and the driving part can drive the multiple arc-shaped plates to be close to or away from each other at the same time. Through the cooperation of the structures, the driving part can drive the arc-shaped plates to move close to one another at the same time, under pushing of the arc-shaped plates, a tire mold is made to make contact with the four arc-shaped plates, at the moment, the axis of the tire mold coincides with the axis of the containing table, and position adjustment of tire molds of different specifications is achieved; and then, the detection needle on the roundness measuring instrument body is adjusted to be in contact with the inner wall of the tire mold, so that roundness detection is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire mould detection technical field especially relates to a roundness detection device for tire mould. BACKGROUND

[0002] With the improvement of living standards, the number of cars is increasing, and as one of the main accessories of cars, the quality of tires is particularly important, however, with the long time use of the mould, the wear is inevitable, the wear of the mould will cause the change of its roundness, and then affect the quality of the manufactured tire products, in order to ensure the quality of the mass-produced tires, therefore, the roundness of the tire mould needs to be detected.

[0003] Such as patent CN220931937U discloses a mould production detection device, the contrast patent although the expansion plate is in the threaded rod and fixed disc threaded connection effect and outward expansion and tire mould inner wall contact, then control tire mould rotation through reading pressure sensor value, can detect the roundness of tire mould inner wall.

[0004] But the applicant found that the above-mentioned contrast patent when placing the tire mould on the fixed table, the axis of the tire mould cannot be accurately coincided with the axis of the fixed table, and because the tire mould is heavy, it is not convenient for manual adjustment of the position of the tire, and the adjustment process is also relatively complicated, causing the axis of the tire mould and the axis of the fixed table to exist deviation, resulting in the position of the tire mould changing constantly during the rotation of the fixed table, so that the roundness of the tire mould cannot be accurately detected by the pressure sensor. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a roundness detection device for tire mould to solve the problem that the axis of the tire mould cannot be accurately adjusted to coincide with the axis of the detection table when the tire mould is placed on the placing table, so that the position of the tire mould changes constantly when the placing table drives the tire mould to rotate and detect, resulting in the problem that the tire mould cannot be accurately measured.

[0006] Based on the above purpose, the utility model provides a roundness detection device for tire mould, which comprises a base, a roundness instrument body is fixedly installed on the base, a groove is formed in the base, and a placing table for placing tire mould is rotatably connected in the groove, and a plurality of arc-shaped plates are slidably arranged on the placing table.

[0007] The inside of the placing table is provided with a placing cavity, and a driving part is arranged in the placing cavity, the driving part can simultaneously drive multiple arc-shaped plates to move close to or away from each other, the tire mold to be detected is placed on the placing table, and the driving part can simultaneously drive multiple arc-shaped plates to move close to each other, so that the arc-shaped plates can push the tire mold to move to the center of the placing table, so that the axis of the tire mold coincides with the axis of the placing table.

[0008] Preferably, the placing table is disc-shaped, and the number of the arc-shaped plates is four, and the four arc-shaped plates are distributed on the placing table at equal intervals in the circumferential direction.

[0009] Preferably, the driving part comprises a gear set arranged in the placing cavity, and each of the four arc-shaped plates is fixedly connected with a rack engaged with the gear set through a connecting rod, and a strip-shaped through slot for the movement of the connecting rod is formed in the placing table, and a driving machine one for driving the gear set to rotate is fixedly installed in the placing cavity.

[0010] Preferably, the gear set comprises an upper gear and a lower gear, the upper gear and the lower gear are fixedly sleeved on the output shaft of the driving machine one, and two racks are engaged with the upper gear, and the other two racks are engaged with the lower gear.

[0011] Preferably, the rack is fixedly connected with a sliding block, and the inner wall of the placing cavity is provided with a sliding groove matched with the sliding block.

[0012] Preferably, a storage cavity is formed in the base, a driving machine two is installed in the storage cavity, a gear is fixedly sleeved on the output end of the driving machine two, and an external gear ring engaged with the gear is fixedly sleeved on the placing table.

[0013] The tire mold roundness detection device has the advantages that when the tire mold is placed on the placing table, the driving part can simultaneously drive multiple arc-shaped plates to move close to each other, so that the arc-shaped plate closest to the tire mold first contacts the tire mold and pushes the tire mold to move to the center of the placing table, and finally the tire mold contacts the four arc-shaped plates under the pushing of the arc-shaped plates, so that the axis of the tire mold coincides with the axis of the placing table, the position of the tire mold of different specifications is adjusted, the detection needle on the roundness gauge body then contacts the inner wall of the tire mold, and the roundness detection is realized.

[0014] The axis of the tire mold and the axis of the placing table are prevented from deviating, so that the position of the tire mold changes when the placing table drives the tire mold to rotate for detection, and the detection probe on the roundness gauge body cannot accurately measure the tire mold. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0016] Figure 1 The structure schematic view of the present application embodiment is shown in the figure.

[0017] Figure 2 The structure schematic view of the present application embodiment is shown in the figure. Figure 1 The structure schematic view of the present application embodiment is shown in the figure.

[0018] Figure 3 The internal structure schematic view of the base of the present application embodiment is shown in the figure.

[0019] Figure 4 The structure schematic view of the driving part of the present application embodiment is shown in the figure.

[0020] Figure 5 The structure schematic view of the present application embodiment is shown in the figure. Figure 4 The structure schematic view of the present application embodiment is shown in the figure.

[0021] Figure 6 The structure schematic view of the driving machine one and gear set of the present application embodiment is shown in the figure.

[0022] In the figure: 1, base; 2, roundness gauge body; 3, placing table; 4, outer gear ring; 5, arc plate; 6, driving part; 61, gear set; 62, rack; 63, driving machine one; 64, upper gear; 65, lower gear; 66, sliding block; 67, connecting rod; 7, driving machine two; 8, gear. Specific implementation

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will further detail the present application by combining with specific embodiments and referring to the drawings.

[0024] It should be noted that, unless otherwise defined, technical or scientific terms used in the embodiments of the present application should be understood as having the common meaning in the field of the present application to which the embodiments of the present application pertain. The terms "first", "second", and similar terms used in the present application do not denote any order, quantity, or importance, but are used to distinguish different components. The terms "include", "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, and do not exclude 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. The terms "upper", "lower", "left", "right", and the like are used only to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships can also change accordingly.

[0025] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 A roundness detection device for a tire mold includes a base 1, a roundness gauge body 2 is fixedly installed on the base 1, the roundness gauge body 2 has a detection probe, a groove is formed in the base 1, and a placement table 3 for placing a tire mold is rotatably connected in the groove, and a plurality of arc-shaped plates 5 are slidably arranged on the placement table 3.

[0026] A placement cavity is formed in the inside of the placement table 3, and a driving part 6 is arranged in the placement cavity, the driving part 6 can simultaneously drive the plurality of arc-shaped plates 5 to move closer to each other or farther away from each other, the tire mold to be detected is placed on the placement table 3, and the driving part 6 can simultaneously drive the plurality of arc-shaped plates 5 to move closer to each other, so that the arc-shaped plates 5 can push the tire mold to move to the center of the placement table 3, so as to realize the coincidence of the axis of the tire mold and the axis of the placement table 3.

[0027] The driving part 6 can simultaneously drive the plurality of arc-shaped plates 5 to move closer to each other, so that the arc-shaped plate 5 closest to the tire mold will first contact the tire mold and push the tire mold to move to the center of the placement table 3, and finally the tire mold will contact the four arc-shaped plates 5 under the pushing of the arc-shaped plates 5, at this time the axis of the tire mold coincides with the axis of the placement table 3, then the detection probe on the roundness gauge body 2 is adjusted to contact the inner wall of the tire mold, so that the placement table 3 can always locate the tire mold at the center of the placement table during the rotation of the tire mold, and the detection probe on the roundness gauge body 2 can always contact the inner wall of the tire mold, thereby realizing roundness detection.

[0028] In one preferred embodiment of the utility model, the shape of the placing table 3 is discoid, the number of the arc-shaped plates 5 is four, and the four arc-shaped plates 5 are distributed equidistantly on the placing table 3 in the circumferential direction.

[0029] Through the arrangement of the four arc-shaped plates 5, the tire mold can be conveniently pushed from various directions to move to the center of the placing table 3.

[0030] In another preferred embodiment of the utility model, the driving part 6 comprises a gear set 61 arranged in the placing cavity, each of the four arc-shaped plates 5 is fixedly connected with a rack 62 engaged with the gear set 61 through a connecting rod 67, a strip-shaped through slot for the movement of the connecting rod 67 is formed in the placing table 3, a driving machine one 63 for driving the gear set 61 to rotate is fixedly installed in the placing cavity, the driving machine one 63 is an integrated structure of a motor and a speed reducer, a wire hole is formed in the center of the placing cavity of the placing table 3, the wire hole plays a role of heat dissipation for the driving machine one 63 on one hand, and on the other hand, it is convenient to pass the external power supply wire into the wire hole, and since the wire hole is located at the axis of the placing table 3, the external power supply wire does not hinder the rotation of the placing table 3 in the process of rotation of the placing table 3, and the external power supply wire can be connected with the external power supply equipment through a rotating joint;

[0031] The gear set 61 comprises an upper gear 64 and a lower gear 65, the upper gear 64 and the lower gear 65 are fixedly sleeved on the output shaft of the driving machine one 63, and two of the racks 62 are engaged with the upper gear 64, and the other two racks 62 are engaged with the lower gear 65;

[0032] The rack 62 is fixedly connected with a sliding block 66, and the inner wall of the placing cavity is provided with a sliding groove matched with the sliding block 66, through the arrangement of the sliding block 66 and the sliding groove, the rack 62 is supported and limited, so that the movement of the rack 62 is more stable and smooth.

[0033] When the inner wall of the tire mold needs to be detected for roundness, the tire mold is placed on the placing table 3, and the axis of the tire mold does not coincide with the axis of the placing table 3, the driving machine one 63 is started, the driving machine one 63 drives the upper gear 64 and the lower gear 65 to rotate, since the upper gear 64 is engaged with the two racks 62, and the lower gear 65 is engaged with the other two racks 62, the upper gear 64 will drive the two racks 62 engaged therewith to approach each other when rotating, and the lower gear 65 will drive the two racks 62 engaged therewith to approach each other when rotating, thereby driving the four arc-shaped plates 5 to approach each other, in the moving process of the four arc-shaped plates 5, the arc-shaped plate 5 closest to the tire mold will first contact the tire mold and push the tire mold to move to the center of the placing table 3, and finally the tire mold will be in contact with the four arc-shaped plates 5 under the pushing of the arc-shaped plates 5, at this time the axis of the tire mold coincides with the axis of the placing table 3, the detection probe on the roundness gauge body 2 is adjusted to be in contact with the inner wall of the tire mold, and in the process of driving the tire mold to rotate, the placing table 3 can always locate the tire mold at the center of the placing table, so that the detection probe on the roundness gauge body 2 can always be in contact with the inner wall of the tire mold, thereby realizing roundness detection.

[0034] The base 1 is provided with a storage cavity, a driving machine two 7 is installed in the storage cavity, and a heat dissipation hole is formed in the bottom of the storage cavity.

[0035] When the arc-shaped plate 5 pushes the axis of the tire mold to coincide with the axis of the placing table 3, the driving machine two 7 is started, the output end of the driving machine two 7 drives the gear 8 to rotate, since the gear 8 is engaged with the outer gear ring 4, the placing table 3 is driven to rotate, and the tire mold is further driven to rotate, in the process of rotating, the detection probe on the roundness gauge body 2 can detect the roundness of the inner wall of the tire mold, and the detection result can be observed through the display screen.

[0036] It should be understood by those of ordinary skill in the art that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope of the present application is limited to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0037] The embodiments of the present application are intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A roundness detection device for a tire mold, comprising a base (1) on which a roundness gauge body (2) is fixedly installed, characterized in that, The base (1) is provided with a recess, and a placing table (3) for placing a tire mold is rotatably connected in the recess, and a plurality of arc-shaped plates (5) are slidably arranged on the placing table (3); the placing table (3) is internally provided with a placing cavity, and a driving part (6) is arranged in the placing cavity; the driving part (6) can simultaneously drive the plurality of arc-shaped plates (5) to move close to or away from each other; the tire mold to be detected is placed on the placing table (3), and the driving part (6) can simultaneously drive the plurality of arc-shaped plates (5) to move close to each other, so that the arc-shaped plates (5) can push the tire mold to move to the center of the placing table (3), so as to realize the coincidence of the axis of the tire mold and the axis of the placing table (3).

2. A roundness detecting device for a tire mold according to claim 1, wherein The placing table (3) is disc-shaped, the number of the arc-shaped plates (5) is four, and the four arc-shaped plates (5) are distributed on the placing table (3) at equal intervals in the circumferential direction.

3. A roundness detecting device for a tire mold according to claim 2, wherein The driving part (6) comprises a gear set (61) arranged in the placing cavity, and each of the four arc-shaped plates (5) is fixedly connected with a rack (62) engaged with the gear set (61) through a connecting rod (67); the placing table (3) is provided with a strip-shaped through slot for the movement of the connecting rod (67); and the placing cavity is fixedly installed with a driving machine one (63) for driving the gear set (61) to rotate.

4. A roundness detecting device for a tire mold according to claim 3, wherein The gear set (61) comprises an upper gear (64) and a lower gear (65), the upper gear (64) and the lower gear (65) are fixedly sleeved on the output shaft of the driving machine one (63), and two of the racks (62) are engaged with the upper gear (64), and the other two racks (62) are engaged with the lower gear (65).

5. A roundness detecting device for a tire mold according to claim 4, wherein The rack (62) is fixedly connected with a sliding block (66), and the inner wall of the placing cavity is provided with a sliding groove matched with the sliding block (66).

6. The roundness detecting device for a tire mold according to claim 1, wherein The base (1) is provided with a storage cavity, the storage cavity is provided with a driving machine two (7), the output end of the driving machine two (7) is fixedly sleeved with a gear (8), and the placing table (3) is fixedly sleeved with an external gear ring (4) engaged with the gear (8).

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