Automatic centering device for elevator guide rail machining

Abstract

The utility model relates to an automatic centering device for elevator guide rail processing, which comprises a rack, a conveying device and a top support, the top support is fixedly connected above the rack, the conveying device is arranged in the rack, a plurality of elevator guide rails to be processed are placed on the conveying device, limiting devices are symmetrically arranged in the top support, and the limiting devices are arranged on the top support. The limiting device comprises an upper fixing plate erected in the top support, a lower fixing plate and a plurality of limiting clamps which are in driving connection through a first air cylinder are arranged below the upper fixing plate, and a control plate in driving connection through a second air cylinder is arranged below the lower fixing plate. The elevator guide rail limiting device is reasonable in structure, the elevator guide rail is limited through the limiting clamp, the second air cylinder and the groove, and the situation that in the transporting and machining process, the elevator guide rail deviates and cannot accurately enter a machining station, and machining errors are caused is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator guide rail processing and manufacturing field especially a kind of automatic centering device for elevator guide rail processing. BACKGROUND

[0002] With the development of society, high-rise building is more and more, and elevator is one of indispensable equipment in high-rise building, and it is fast to reach specified floor by elevator, and elevator is usually composed of hoisting machine, guide rail, car, counterweight and the like, wherein guide rail is elevator component composed of steel rail and connecting plate, guide rail is under the action of guiding at the same time, and it bears the impact force of car and elevator braking, so the quality of elevator guide rail is very important, and in the processing of elevator guide rail, due to the length of elevator guide rail itself is long, and it is easy to appear deflection due to vibration or external interference of conveying device in conveying process, so that elevator guide rail is difficult to correctly enter subsequent processing position, and it will affect subsequent processing, so that the quality of guide rail finished product is affected. SUMMARY

[0003] In order to overcome the above-mentioned problems, the utility model provides an automatic centering device for elevator guide rail processing.

[0004] The utility model discloses a kind of automatic centering devices for elevator guide rail processing.

[0005] As preferred, an automatic centering device for elevator guide rail processing includes rack, conveying device and top support, the top support is fixedly connected above the rack, the conveying device is arranged in the rack, and a plurality of elevator guide rails to be processed are placed on the conveying device, the top support is equipped with limit device arranged symmetrically, the limit device includes upper fixed plate erected in the top support, the lower side of the upper fixed plate is equipped with lower fixed plate and a plurality of limit clamps driven and connected by first air cylinder, the lower side of the lower fixed plate is equipped with control plate driven and connected by second air cylinder.

[0006] As preferred, the limit clamps include left clamping plate and right clamping plate arranged symmetrically, the left clamping plate and the right clamping plate are fixedly connected with the upper fixed plate through connecting piece, two interlocking gears are arranged between the left clamping plate, the right clamping plate and the connecting piece, the gears are fixedly connected with the left clamping plate and the right clamping plate respectively, a connecting rod mechanism is arranged between the left clamping plate and the right clamping plate below the gears, a pull rod is arranged at the center hinge point of the connecting rod mechanism, and the other end of the pull rod is fixedly connected with the control plate.

[0007] As preferred, grooves are formed below the left clamping plate and the right clamping plate, and two rows of driven rollers are arranged symmetrically in the grooves.

[0008] Preferably, a first guide rod is arranged through the upper fixed plate below the top support, and a second guide rod is arranged through the control plate below the upper fixed plate.

[0009] Preferably, the conveying device comprises several conveying rollers driven by motors.

[0010] The utility model discloses the beneficial effect is, through the limit clamp, second cylinder and recess to the elevator guide rail position limiting, prevent in the transportation and processing process, elevator guide rail appears the deviation and leads to the situation of unable accurate entering the processing position, causes the processing to appear the error. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model is further illustrated below in connection with the drawings and examples.

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2 It is Figure 1 It is the A-A direction section view of the utility model;

[0014] Figure 3 It is the plan view of the utility model;

[0015] Figure 4 It is the front view of the utility model limiting device;

[0016] Figure 5 It is the front view of the utility model limit clamp when opening;

[0017] Figure 6 It is the front view of the utility model limit clamp when closing;

[0018] Figure 7 It is the section view of the utility model limit clamp;

[0019] In the drawing, 1, rack; 2, conveying device; 3, top support; 4, elevator guide rail; 5, upper fixed plate; 6, first cylinder; 7, lower fixed plate; 8, limit clamp; 9, left clamping plate; 10, right clamping plate; 11, connecting piece; 12, gear; 13, connecting rod mechanism; 14, pull rod; 15, second cylinder; 16, control plate; 17, recess; 18, driven roller; 19, first guide rod; 20, second guide rod; 21, conveying roller; 22, limiting device. DETAILED DESCRIPTION

[0020] All features disclosed in this specification, and / or all steps of any methods disclosed in this specification, can be combined in any combination, except combinations where at least some of the features and / or steps are mutually exclusive.

[0021] Any feature in the foregoing specification (including any accompanying claims, abstract and drawings) can be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, unless expressly stated otherwise, every feature described above is one example only of a generic series of equivalent or similar features.

[0022] As Figures 1-7 The automatic centering device for elevator guide rail processing shown in the figure, including rack 1, conveying device 2 and top support 3, the top support 3 is fixedly connected above the rack 1, the conveying device 2 is arranged in the rack 1, and a plurality of elevator guide rails 4 to be processed are placed on the conveying device 2, the top support 3 is provided with limiting device 22 arranged symmetrically, the limiting device 22 includes upper fixed plate 5 arranged in the top support 3, a plurality of limiting clamps 8 and lower fixed plate 7 driven and connected by first cylinder 6 are arranged below the upper fixed plate 5, the lower fixed plate 7 is provided with control plate 16 driven and connected by second cylinder 15 below; the number of limiting clamps 8 can be adjusted according to actual production needs.

[0023] The limiting clamp 8 includes left clamp plate 9 and right clamp plate 10 arranged symmetrically, the left clamp plate 9 and the right clamp plate 10 are fixedly connected with the upper fixed plate 5 through the connecting piece 11, two interlocking gears 12 are arranged between the left clamp plate 9, the right clamp plate 10 and the connecting piece 11, the gears 12 are fixedly connected with the left clamp plate 9 and the right clamp plate 10 respectively, a connecting rod mechanism 13 is arranged between the left clamp plate 9 and the right clamp plate 10 below the gear 12, a pull rod 14 is arranged at the center hinge point of the connecting rod mechanism 13, the other end of the pull rod 14 is fixedly connected with the control plate 16, in use, the second cylinder 15 drives the control plate 16 to drive the pull rod 14 to move upward, and the left clamp plate 9 and the right clamp plate 10 are mutually pasted under the action of the gear 12 and the connecting rod mechanism 13.

[0024] The left clamp plate 9 and the right clamp plate 10 are provided with grooves 17 below, and two rows of driven rollers 18 are arranged symmetrically in the grooves 17.

[0025] The top support 3 is provided with first guide rod 19 penetrating through the upper fixed plate 5 below, and the control plate 16 is provided with second guide rod 20 penetrating through the control plate 16 below.

[0026] The conveying device 2 includes a plurality of conveying rollers 21 driven by motor. Specific embodiments

[0027] The conveying device 2 drives the elevator guide rail 4 to transport forward, the first cylinder 6 drives the lower fixed plate 7 and the limiting clamp 8 to move downward along the direction of the first guide rod 19, when the limiting clamp 8 is located at the elevator guide rail 4, the second cylinder 15 drives the control plate 16 to lift upward along the direction of the second guide rod 20, drives the pull rod 14 to move upward, so that the limiting clamp 8 is clamped, the elevator guide rail 4 is located in the recess 17, and then washing work and punching work are carried out on both ends of the elevator guide rail 4.

[0028] The design scheme is ingenious, the elevator guide rail is limited by the limiting clamp, the second cylinder and the recess, the deviation of the elevator guide rail in the transportation and processing process is prevented, the elevator guide rail cannot accurately enter the processing position, the processing error is caused, in addition, the driven roller is arranged in the recess, the side surface of the elevator guide rail is attached to the driven roller, the direct contact between the side wall of the elevator guide rail and the recess in the transportation is prevented, and the scratches and abrasion of the surface of the elevator guide rail are prevented.

[0029] The utility model is not limited to the foregoing specific embodiments. The utility model extends to any new feature or any new combination disclosed in the specification, as well as any new method or process step or any new combination disclosed.

Claims

1. An automatic centering device for elevator guide rail processing, characterized by: Including frame (1), conveying device (2) and top support (3), top support (3) is fixedly connected above frame (1), conveying device (2) is arranged in frame (1), several to be processed elevator guide rails (4) are placed on conveying device (2), the top support (3) is equipped with the limiting device (22) of symmetrical arrangement, the limiting device (22) includes the upper fixed plate (5) erected in the top support (3), the lower fixed plate (7) and several limiting clamps (8) are arranged below the upper fixed plate (5) and are drivenly connected by the first air cylinder (6), the control plate (16) is drivenly connected by the second air cylinder (15) and is arranged below the lower fixed plate (7).

2. The automatic centering device for elevator guide rail machining according to claim 1, characterized in that: The limiting clamp (8) includes the left clamping plate (9) and the right clamping plate (10) of symmetrical arrangement, the left clamping plate (9) and the right clamping plate (10) are fixedly connected with the upper fixed plate (5) by the connecting piece (11), two mutually interlocking gear (12) are arranged between the left clamping plate (9), the right clamping plate (10) and the connecting piece (11), the gear (12) is fixedly connected with the left clamping plate (9) and the right clamping plate (10) respectively, the gear (12) below, the left clamping plate (9) and the right clamping plate (10) between the connecting rod mechanism (13) is arranged, the center hinge point of the connecting rod mechanism (13) is provided with the pull rod (14), the other end of the pull rod (14) is fixedly connected with the control plate (16).

3. The automatic centering device for elevator guide rail machining according to claim 2, characterized in that: The recess (17) is arranged below the left clamping plate (9) and the right clamping plate (10), and two rows of symmetrical driven rollers (18) are arranged in the recess (17).

4. The automatic centering device for elevator guide rail machining according to claim 1, characterized in that: The first guide rod (19) is arranged below the top support (3) and penetrates the upper fixed plate (5), and the second guide rod (20) is arranged below the upper fixed plate (5) and penetrates the control plate (16).

5. The automatic centering device for elevator guide rail machining according to claim 1, characterized in that: The conveying device (2) includes several conveying rollers (21) driven by a motor.

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