Cutting device for door and window guardrails

Abstract

The utility model relates to the technical field of door and window guardrails, and provides a door and window guardrail cutting device which comprises a main body, a first motor is fixedly arranged on the outer side wall of the main body, a first mounting cavity is formed in the upper surface of the main body, and a first lead screw is arranged in an inner cavity of the first mounting cavity in a transmission mode; a first lead screw is arranged on the base, one end of the outer side of the first lead screw is in transmission connection with the output end of a first motor, positioning plates are symmetrically connected to the surface of the first lead screw in a threaded mode, and a first limiting groove is formed in one side of the upper surface of each positioning plate. A first lead screw drives a positioning plate to move oppositely to fix the door and window frame, the positioning plate drives a moving block to slide in a second limiting groove along a second guide rod in a guiding mode and compress a second spring, a screw is screwed to drive a pressing plate to move downwards, the pressing plate abuts against the surface of the door and window frame for limiting, and the door and window frame is prevented from tilting during cutting; and the practicability and the cutting efficiency of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to door and window guardrail technical field especially relates to a cutting device of door and window guardrail. BACKGROUND

[0002] Guardrails are mainly used for the protection and prevention of equipment and facilities in door and window, factory, workshop, warehouse, parking lot, commercial district, public place and the like. Guardrails can be seen everywhere in our life. Guardrail materials include aluminum alloy, ductile iron (ductile cast iron), carbon steel (spraying or galvanizing), stainless steel, plastic steel, zinc steel, PVC and other metal guardrails.

[0003] For example, the cutting device of door and window guardrail disclosed in publication No. CN211889922U includes a support plate and a cutting table arranged on the upper surface of the support plate. The rear side of the upper surface of the support plate is provided with a bracket, and the bracket is located at the rear side of the cutting table. The upper surface of the cutting table is fixedly provided with vertical plates on both sides. The side of each vertical plate close to the other vertical plate is fixedly provided with a clamping motor, and the output end of the clamping motor is fixedly provided with a clamping block. The front side of the bracket is provided with a sliding groove. The cutting device of door and window guardrail can clamp and fix the guardrail pipe to prevent the guardrail pipe from shaking during subsequent cutting, thereby ensuring the cutting quality. In addition, the cutting device has good buffering function to prevent the cutting knife wheel from being damaged when encountering a difficult-to-cut guardrail pipe during cutting, which is beneficial to prolonging the service life of the cutting knife wheel.

[0004] However, in the prior art, the door and window guardrail needs to be fixed before cutting to facilitate subsequent cutting. When the cutting length of the door and window guardrail is adjusted, the door and window guardrail will be raised due to the weight of the cutting part, which affects the cutting efficiency, thereby limiting the practicality of the device to a certain extent. SUMMARY

[0005] The utility model solves the problem that the door and window guardrail will be raised due to the weight of the cutting part when the cutting length of the door and window guardrail is adjusted in the prior art, which affects the cutting efficiency.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a cutting device of door and window guardrail, including the main part, the outer side wall fixed setting of main part has first motor, the upper surface of main part is set with first installation cavity, the inner chamber transmission of first installation cavity is provided with first screw rod, and the output end transmission of first screw rod one end of outside is connected with first motor, the surface of first screw rod is connected with the positioning plate of symmetry screw thread, the one side of positioning plate upper surface is set with first limiting slot, the upper surface of positioning plate is provided with the limiting mechanism for with first limiting slot is used in matched, the limiting mechanism includes support plate, the lower surface of support plate is set with second limiting slot, the inner wall fixed setting of second limiting slot has second guide rod, the surface sliding of second guide rod is provided with moving block, and the upper position of moving block inner side is fixedly connected through the second spring with the inner wall of second limiting slot, the centre of support plate surface is provided with screw rod, and the end transmission of screw rod is provided with pressing plate.

[0007] As a preferred implementation, the upper surface of the main body is symmetrically provided with a second installation cavity on both sides of the first installation cavity, the inner cavity of the second installation cavity is fixedly provided with a sliding rod, and the sliding rod is slidably connected with the positioning plate.

[0008] As a preferred implementation, the inner wall of the first limiting slot is fixedly provided with a first guide rod, and the first guide rod is slidably connected with the moving block. The lower position of the outer side of the moving block is fixedly connected with the inner wall of the first limiting slot through a first spring.

[0009] As a preferred implementation, the side of the upper surface of the main body close to the positioning plate is fixedly provided with a fixed frame, the inner side of the fixed frame is transmission provided with a second screw rod, the outer side wall of the fixed frame is fixedly provided with a second motor, and the output end transmission of the outer side of the second screw rod is connected with the output end of the second motor.

[0010] As a preferred implementation, the surface of the second screw rod is screw provided with a movable block, and the inner cavity of the movable block is fixedly provided with an electric telescopic rod.

[0011] As a preferred implementation, the output end of the electric telescopic rod is provided with a cutting motor, and the output end transmission of the cutting motor is provided with a cutting blade.

[0012] As a preferred implementation, the support plate is located at the center position of the positioning plate in the initial state.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] The utility model discloses a limiting mechanism is set up, and the output of first motor drives first screw rod to rotate, and first screw rod drives positioning board to move oppositely and fixes the door and window frame, and positioning board drives moving block to slide along second guide rod in the second limiting slot and compresses second spring, and the screw rod is driven to make the pressing plate go down, and the pressing plate is limited with the surface of door and window frame, avoids the door and window frame to appear to rise when cutting, and improved the practicality and cutting efficiency of device.

[0015] The utility model discloses a first limiting slot, first guide rod and the matched use of first spring, when fixing the door and window frame, push inwards support board, and support board drives moving block to slide along first guide rod and compresses first spring through second guide rod, and after the installation of door and window frame is placed, first spring resets and drives moving block, support board reset to the center of positioning board, and it is convenient to take and put the door and window frame, and the practicality of device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure front view schematic drawing of cutting device of door and window guardrail provided by the utility model;

[0017] Figure 2 It is whole structure back view schematic drawing of cutting device of door and window guardrail provided by the utility model;

[0018] Figure 3 It is whole structure side sectional view schematic drawing of cutting device of door and window guardrail provided by the utility model;

[0019] Figure 4 It is whole structure of cutting device of door and window guardrail provided by the utility model Figure 3 It is structure enlarged view schematic drawing of A place in;

[0020] LEGEND:

[0021] 1, main body;2, first installation cavity;3, second installation cavity;4, first motor;5, first screw rod;6, slide bar;7, positioning board;8, first limiting slot;9, first guide rod;10, first spring;11, moving block;12, support board;13, second limiting slot;14, second guide rod;15, second spring;16, screw rod;17, pressing plate;18, fixed frame;19, second motor;20, second screw rod;21, movable block;22, electric telescopic rod;23, cutting motor;24, cutting blade. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor are within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a cutting device of door and window guardrail, including main body 1, the outer side wall of main body 1 is fixedly arranged with first motor 4, the upper surface of main body 1 is opened with first installation cavity 2, the inner cavity of first installation cavity 2 is drivingly arranged with first lead screw 5, and the output end of first motor 4 is drivingly connected with the outer side of one end of first lead screw 5, the surface of first lead screw 5 is symmetrically connected with positioning plate 7 with screw thread, the upper surface of positioning plate 7 is opened with first limiting slot 8 on one side, the upper surface of positioning plate 7 is provided with the limiting mechanism for being used with first limiting slot 8, and the limiting mechanism includes support plate 12, the lower surface of support plate 12 is opened with second limiting slot 13, second guide rod 14 is fixedly arranged in the inner wall of second limiting slot 13, moving block 11 is slidingly arranged on the surface of second guide rod 14, and the upper position of inner side of moving block 11 is fixedly connected with the inner wall of second limiting slot 13 by second spring 15, screw rod 16 is screwedly arranged on the surface of the center of support plate 12, and pressing plate 17 is drivingly arranged on the end of screw rod 16, the output end of first motor 4 drives first lead screw 5 to rotate, first lead screw 5 drives positioning plate 7 to move towards each other and fixes door and window frame, positioning plate 7 drives moving block 11 to slide along second guide rod 14 in second limiting slot 13 and compresses second spring 15, and screwing screw rod 16 drives pressing plate 17 to move downwards, so that pressing plate 17 is limited to the surface of door and window frame, to avoid that door and window frame appears to be raised when cutting.

[0024] As Figures 1-4 Shown, the upper surface of main body 1 is opened with second installation cavity 3 on both sides of first installation cavity 2 symmetrically, the inner cavity of second installation cavity 3 is fixedly arranged with slide rod 6, and slide rod 6 is slidingly connected with positioning plate 7, and the design of second installation cavity 3 and slide rod 6 guarantees the stable movement of positioning plate 7.

[0025] As Figures 1-4As shown, the inner side wall of the first limiting groove 8 is fixedly provided with a first guide rod 9, and the first guide rod 9 is slidably connected with a moving block 11. The lower position of the outer side of the moving block 11 is fixedly connected with the inner side wall of the first limiting groove 8 through a first spring 10, and the support plate 12 is pushed inward. The support plate 12 drives the moving block 11 to slide along the first guide rod 9 and compresses the first spring 10. After the door and window frame is installed and placed, the first spring 10 resets the moving block 11 and the support plate 12 to the center of the positioning plate 7, facilitating the taking and placing of the door and window frame.

[0026] As shown in the initial state, the support plate 12 is located at the center position of the positioning plate 7. The second motor 19 drives the second screw rod 20 to rotate, and the second screw rod 20 drives the movable block 21, the electric telescopic rod 22, the cutting motor 23 and the cutting blade 24 to move towards each other. The electric telescopic rod 22 drives the cutting motor 23 and the cutting blade 24 to ascend and descend, so that the door and window frame of different sizes can be cut. Figures 1-4 As shown in the initial state, the support plate 12 is located at the center position of the positioning plate 7. The second motor 19 drives the second screw rod 20 to rotate, and the second screw rod 20 drives the movable block 21, the electric telescopic rod 22, the cutting motor 23 and the cutting blade 24 to move towards each other. The electric telescopic rod 22 drives the cutting motor 23 and the cutting blade 24 to ascend and descend, so that the door and window frame of different sizes can be cut.

[0027] Working principle: in use, the support plate 12 is pushed inward, and the support plate 12 drives the moving block 11 to slide along the first guide rod 9 and compresses the first spring 10. After the door and window frame is installed and placed, the first spring 10 resets the moving block 11 and the support plate 12 to the center of the positioning plate 7. At this time, the first motor 4 is started, the output end of the first motor 4 drives the first screw rod 5 to rotate, the first screw rod 5 drives the positioning plate 7 to move towards along the slide rod 6 to clamp and fix the door and window frame, and the positioning plate 7 drives the moving block 11 to slide along the second guide rod 14 in the second limiting groove 13 and compresses the second spring 15. The screw rod 16 drives the pressing plate 17 to move downward, so that the pressing plate 17 abuts against the surface of the door and window frame to limit the door and window frame from being raised during cutting. During cutting, the second motor 19 drives the second screw rod 20 to rotate, and the second screw rod 20 drives the movable block 21, the electric telescopic rod 22, the cutting motor 23 and the cutting blade 24 to move towards each other. The electric telescopic rod 22 drives the cutting motor 23 and the cutting blade 24 to ascend and descend, so that the door and window frame of different sizes can be cut. The whole structure is simple, convenient to operate, and suitable for large-scale promotion.

[0028] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A cutting device for door and window balustrades, comprising a main body (1), characterized in that: The outer side wall of the main body (1) is fixedly provided with a first motor (4), the upper surface of the main body (1) is provided with a first mounting cavity (2), the inner cavity of the first mounting cavity (2) is drivingly provided with a first lead screw (5), one end of the first lead screw (5) is drivingly connected with the output end of the first motor (4), the surface of the first lead screw (5) is symmetrically and threadedly connected with a positioning plate (7), one side of the upper surface of the positioning plate (7) is provided with a first limiting groove (8), the upper surface of the positioning plate (7) is provided with a limiting mechanism used in conjunction with the first limiting groove (8), the limiting mechanism comprises a supporting plate (12), the lower surface of the supporting plate (12) is provided with a second limiting groove (13), the inner wall of the second limiting groove (13) is fixedly provided with a second guide rod (14), the surface of the second guide rod (14) is slidingly provided with a moving block (11), the upper position of the inner side of the moving block (11) is fixedly connected with the inner wall of the second limiting groove (13) through a second spring (15), the center of the surface of the supporting plate (12) is threadedly provided with a screw rod (16), the end of the screw rod (16) is drivingly provided with a pressing plate (17).

2. A cutting device for a door and window guard bar according to claim 1, characterized in that: The upper surface of the main body (1) is symmetrically provided with a second mounting cavity (3) on both sides of the first mounting cavity (2), the inner cavity of the second mounting cavity (3) is fixedly provided with a sliding rod (6), and the sliding rod (6) is slidingly connected with the positioning plate (7).

3. A cutting device for a door and window guard bar according to claim 1, characterized in that: The inner wall of the first limiting groove (8) is fixedly provided with a first guide rod (9), and the first guide rod (9) is slidingly connected with the moving block (11), and the lower position of the outer side of the moving block (11) is fixedly connected with the inner wall of the first limiting groove (8) through a first spring (10).

4. A cutting device for a door and window guard bar according to claim 1, characterized in that: The upper surface of the main body (1) is fixedly provided with a fixed frame (18) on one side close to the positioning plate (7), the inner side of the fixed frame (18) is drivingly provided with a second lead screw (20), and the outer side wall of the fixed frame (18) is fixedly provided with a second motor (19), and one end of the second lead screw (20) is drivingly connected with the output end of the second motor (19).

5. A cutting device for a door and window guard bar according to claim 4, characterized in that: The surface of the second lead screw (20) is threadedly provided with a movable block (21), and the inner cavity of the movable block (21) is fixedly provided with an electric telescopic rod (22) on one side.

6. A cutting device for a door and window guard bar according to claim 5, characterized in that: The output end of the electric telescopic rod (22) is provided with a cutting motor (23), and the output end of the cutting motor (23) is drivingly provided with a cutting blade (24).

7. A cutting device for a door and window guard bar according to claim 1, characterized in that: In the initial state, the supporting plate (12) is located at the center position of the positioning plate (7).

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