Gear and rack telescopic mechanism and automobile carpet oven material laying platform

Abstract

The present application relates to the technical field of automobile carpet, and particularly relates to a gear and rack telescopic mechanism and an automobile carpet oven laying platform, wherein the gear and rack telescopic mechanism comprises a gear box, a power gear shaft and a plurality of transmission gears meshing with the power gear shaft are arranged in the gear box, and two parallel arranged L-direction and R-direction push-out racks are arranged to protrude from the gear box, one end of the L-direction push-out rack is provided with a first push block, one end of the R-direction push-out rack different from the first push block is provided with a second push block, and the L-direction push-out rack and the R-direction push-out rack are respectively meshed with the transmission gears, so that the first push block and the second push block are synchronously extended or retracted. The gear and rack telescopic mechanism and the automobile carpet oven laying platform using the mechanism can effectively adapt to a high-temperature environment and realize the width adjustment function of the laying platform in the carpet production.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile carpet, and particularly relates to a rack and pinion telescopic mechanism and an automobile carpet oven laying platform. BACKGROUND

[0002] The carpet is one of main interior parts of an automobile, and the production of the carpet generally needs to be formed by a mold after heating, and the heating is generally completed by a carpet line oven. Because the sizes of carpets of different brands and models are different, the sizes of raw materials are also different, and accordingly, the carpet laying table in the carpet line oven needs to be adjusted according to the size of the carpet door width.

[0003] At present, the adjustment of the laying table mainly has two modes of manual adjustment of an operator and driving of a screw rod by a motor, the former has poor reliability due to the operation of the personnel, and the risk of scalding is high in a high-temperature environment; and the latter is prone to damage of the screw rod and its combined parts due to the high-temperature environment in the oven, and the maintenance cost is high. SUMMARY

[0004] Based on the above problems, one object of the present application is to provide a rack and pinion telescopic mechanism suitable for a high-temperature environment, improve the action stability, meet the width adjustment requirement, and reduce the adjustment difficulty.

[0005] Another object of the present application is to provide an automobile carpet oven laying platform to adapt to carpets of various sizes, meet the production requirement, and reduce the production risk and maintenance cost.

[0006] To achieve the above objects, on the one hand, the present application adopts the following technical scheme:

[0007] A rack and pinion telescopic mechanism comprises a gear box, a power gear shaft and a plurality of transmission gears meshing with the power gear shaft are arranged in the gear box, and two parallel arranged L-direction and R-direction push-out racks are arranged to protrude from the gear box, one end of the L-direction push-out rack is provided with a first push block, one end of the R-direction push-out rack different from the first push block is provided with a second push block, and the L-direction push-out rack and the R-direction push-out rack are respectively meshed with the transmission gears, so that the first push block and the second push block are synchronously extended or retracted.

[0008] In particular, the lower surface of the L-direction push-out rack and the R-direction push-out rack is a tooth part meshing with the transmission gear, the upper surface is a plane part, and a graphite brass grinding plate in sliding contact with the plane part is arranged on the gear box.

[0009] In particular, a limiting guide wheel in rolling contact with the side surface of the L-direction push-out rack and the R-direction push-out rack is arranged on the gear box.

[0010] Particularly, a partition is arranged between the L-directional pushing rack and the R-directional pushing rack, the partition divides the interior of the gear box into two regions, the power gear shaft penetrates through the two regions, and two transmission gears are arranged in each region and symmetrically distributed on both sides of the power gear shaft.

[0011] In another aspect, the present application adopts the following technical solutions:

[0012] An automobile carpet oven laying platform comprises a chassis, a first table frame, a second table frame and the rack and pinion mechanism, the gear box of the rack and pinion mechanism is fixed on the chassis, the first table frame and the second table frame are respectively arranged on the upper surface of the chassis in a sliding manner, the first pushing block of the rack and pinion mechanism is fixedly connected with the first table frame, and the second pushing block of the rack and pinion mechanism is fixedly connected with the second table frame.

[0013] Particularly, a plurality of rack and pinion mechanisms are arranged at intervals along the length direction of the chassis, a driving motor is arranged on the chassis, and the power gear shafts of the rack and pinion mechanisms are connected in series through a connecting shaft.

[0014] Particularly, a plurality of guide rollers are arranged on the two side edges of the chassis, the first table frame and the second table frame are respectively arranged on the guide rollers on the corresponding side, so that the first table frame and the second table frame can only move towards or away from each other along the width direction of the chassis.

[0015] Particularly, a plurality of guide rollers are arranged on the two side edges of the chassis, the first table frame and the second table frame are respectively arranged on the guide rollers on the corresponding side, so that the first table frame and the second table frame can only move towards or away from each other along the width direction of the chassis.

[0016] In summary, compared with the prior art, the rack and pinion mechanism and the automobile carpet oven laying platform have the following advantages: the simple structure of the rack and pinion mechanism and the automobile carpet oven laying platform can replace the original adjustment mode, realize safer and more reliable operation, meet the width adjustment requirements of the oven laying platform for different widths of carpets, the key components are made of materials with better high-temperature adaptability, the service life of the mechanism is greatly increased, the failure rate is low, the frequency of frequent shutdown and maintenance during production is reduced, the production efficiency is improved, and energy waste and insufficient production during maintenance are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the rack and pinion mechanism provided by the embodiment of the present application;

[0018] Figure 2 is a structural schematic view of the automobile carpet oven laying platform provided by the embodiment of the present application.

[0019] Fig.:

[0020] 1 - Rack and pinion telescopic mechanism; 11 - Gear box; 12 - Power gear shaft; 13 - Transmission gear; 14 - L-direction pushing rack; 15 - R-direction pushing rack; 16 - First pushing block; 17 - Second pushing block; 18 - Graphite brass grinding plate; 19 - Limiting guide wheel;

[0021] 2 - Chassis; 21 - Guiding roller;

[0022] 3 - First table frame;

[0023] 4 - Second table frame;

[0024] 5 - Driving motor;

[0025] 6 - Transverse rod;

[0026] 7 - Vertical rod. DETAILED DESCRIPTION

[0027] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters in the drawings and the following description denote the same or similar functions. The embodiments described below are illustrative only, and are not intended to be limiting on the present application.

[0028] In the description of the present application, unless otherwise clearly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, can be mechanical connection, can also be electrical connection, can be direct connection, can also be indirect connection through intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the description of the present application, unless otherwise clearly specified and limited, the first feature "on" or "below" the second feature can include that the first feature and the second feature are in direct contact, or that the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0030] The technical solutions of the present application are further illustrated below in conjunction with the drawings and through specific embodiments.

[0031] As shown in Figure 1 The preferred embodiment provides a gear and rack telescopic mechanism 1, which comprises a gear box 11, a power gear shaft 12 and a plurality of transmission gears 13 meshing with the power gear shaft 12 are arranged in the gear box 11, and two parallel arranged L and R push-out racks 14 and 15 are arranged in the gear box 11, one end of the L push-out rack 14 is provided with a first push block 16, and one end of the R push-out rack 15 on the side different from the first push block 16 is provided with a second push block 17, the L and R push-out racks 14 and 15 are respectively meshed with the transmission gears 13, so that the first push block 16 and the second push block 17 are synchronously extended or retracted.

[0032] Among them, the lower surface of the L and R push-out racks 14 and 15 is a tooth part meshing with the transmission gears 13, and the upper surface is a flat part, and the gear box 11 is provided with a graphite brass grinding plate 18 in sliding contact with the flat part, which ensures the stable operation of the L and R push-out racks 14 and 15 and reduces wear.

[0033] Further, the gear box 11 is provided with a limiting guide wheel 19 in rolling contact with the side surface of the L and R push-out racks 14 and 15, which ensures the accuracy of meshing.

[0034] Specifically, a partition plate is arranged between the L and R push-out racks 14 and 15, which divides the interior of the gear box 11 into two areas, and the power gear shaft 12 penetrates through the two areas, and two transmission gears 13 symmetrically distributed on both sides of the power gear shaft 12 are arranged in each area.

[0035] For this purpose, as Figure 2 The embodiment also provides an automobile carpet oven laying platform, which comprises a chassis 2, a first table frame 3, a second table frame 4 and the above-mentioned gear and rack telescopic mechanism 1, the gear box 11 of the gear and rack telescopic mechanism 1 is fixed on the chassis 2, the first and second table frames 3 and 4 are respectively arranged in sliding manner on the upper surface of the chassis 2, and the first push block 16 of the gear and rack telescopic mechanism 1 is fixedly connected with the first table frame 3, and the second push block 17 of the gear and rack telescopic mechanism 1 is fixedly connected with the second table frame 4.

[0036] Specifically, a plurality of gear and rack telescopic mechanisms 1 are arranged at intervals along the length direction of the chassis 2, and a driving motor 5 is arranged on the chassis 2, and the driving motor 5 connects the power gear shafts 12 of the gear and rack telescopic mechanisms 1 in series through a connecting shaft.

[0037] A plurality of guide rollers 21 are arranged on the two side edges of the chassis 2, and the first and second table frames 3 and 4 are respectively arranged on the guide rollers 21 on the corresponding side, so that the first and second table frames 3 and 4 can only move towards or away from each other along the width direction of the chassis 2, meeting the need of width adjustment.

[0038] In addition, the first table frame 3 and the second table frame 4 are provided with transverse rods 6 for supporting the carpet, the transverse rods 6 are arranged along the width direction of the chassis 2, the vertical rods 7 for supporting the carpet are arranged on the chassis 2 and between the first table frame 3 and the second table frame 4, the vertical rods 7 are arranged along the length direction of the chassis 2, and the gear rack telescopic mechanism 1 is below the vertical rods 7.

[0039] Therefore, the driving motor 5 drives the power gear shaft 12 to rotate, and then drives the transmission gear 13 to realize forward and reverse rotation, respectively, the transmission gear 13 drives the L-direction push-out rack 14 and the R-direction push-out rack 15 to move in opposite directions, thereby driving the first table frame 3 and the second table frame 4 to move, realizing the width adjustment action when producing carpets of different widths, and the structure is simple and not easily affected by temperature.

[0040] In summary, the above-mentioned gear rack telescopic mechanism and the automobile carpet oven laying platform realize more safe, standard and reliable action effects by replacing the original adjustment mode with the simple structure of gear rack cooperation, meet the width adjustment requirements of the oven laying platform for different widths of carpets, and the key components are made of materials with better high-temperature adaptability, so that the service life of the mechanism is greatly increased, the failure rate is low, the frequency of frequent downtime maintenance in the production process is reduced, the production efficiency is improved, and energy waste and insufficient production caused by maintenance period are reduced.

[0041] The above embodiments only illustrate the basic principles and characteristics of the present application, and the present application is not limited by the above embodiments. Without departing from the spirit and scope of the present application, the present application has various changes and changes, and these changes and changes fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An automotive carpet oven layup platform, characterized by, The application relates to a carpet stretching device, which comprises a base frame, a first table frame, a second table frame and a gear and rack telescopic mechanism. The lower surface of the L-direction pushing-out rack and the R-direction pushing-out rack is a toothed part for engaging with the transmission gear, and the upper surface is a flat part; graphite brass grinding plates are arranged on the gear box to slide with the flat parts. The gear box of the gear and rack telescopic mechanism is fixed on the base frame, the first table frame and the second table frame are respectively arranged on the upper surface of the base frame in a sliding mode, the first pushing block of the gear and rack telescopic mechanism is fixedly connected with the first table frame, and the second pushing block of the gear and rack telescopic mechanism is fixedly connected with the second table frame. A plurality of gear and rack telescopic mechanisms are arranged along the length direction of the base frame, a driving motor is arranged on the base frame, and the driving motor is connected with the power gear shafts of the gear and rack telescopic mechanisms through connecting shafts.

2. The automotive carpet oven floor laying platform of claim 1, wherein: Limiting guide wheels are arranged on the gear box to roll with the side surfaces of the L-direction pushing-out rack and the R-direction pushing-out rack.

3. The automotive carpet oven layup platform of claim 1, wherein: A partition plate is arranged between the L-direction pushing-out rack and the R-direction pushing-out rack, the partition plate divides the interior of the gear box into two areas, the power gear shafts pass through the two areas, and two transmission gears are arranged in each area and symmetrically distributed on the two sides of the power gear shaft.

4. The automotive carpet oven layup platform of claim 1, wherein: A plurality of guide rollers are arranged on the two side edges of the base frame, the first table frame and the second table frame are respectively arranged on the guide rollers on the corresponding sides, so that the first table frame and the second table frame can only move towards or away from each other along the width direction of the base frame.

5. The automotive carpet oven laydown platform of claim 1, wherein: Horizontal rods for supporting carpets are arranged on the first table frame and the second table frame, the horizontal rods are arranged along the width direction of the base frame, vertical rods for supporting carpets are arranged on the base frame and between the first table frame and the second table frame, the vertical rods are arranged along the length direction of the base frame, and the gear and rack telescopic mechanism is arranged below the vertical rods.

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