Light curtain control safety bending device

Abstract

The utility model relates to the technical field of bending devices, and particularly discloses a light curtain control safety bending device which comprises a movable support, an installation transverse plate is transversely arranged in the movable support in a penetrating mode, the left side and the right side of the installation transverse plate are each provided with a limiting plate, and the limiting plates are fixed to a bending machine. A height adjusting mechanism is vertically arranged in the movable support in a penetrating mode, an emitter is installed at the bottom of the height adjusting mechanism, and a distance compensation mechanism is arranged above the movable support. The distance compensation mechanism comprises a compensation shell, the top of the compensation shell is fixedly provided with an adjusting motor through bolts, the power output end of the adjusting motor is connected with a transmission shaft, and the tail end of the transmission shaft is fixedly connected with a first bevel gear. The distance between the movable support and the upper bending die can be compensated through the distance compensation mechanism, the position of the whole device does not need to be moved when the upper bending die is replaced, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of bending devices, in particular to a light curtain controlled safety bending device. Background Art

[0002] The light curtain controlled safety bending device is a safety protection device that combines advanced photoelectric sensing technology. It is mainly used for safety protection of bending machines during operation. The light curtain controlled safety bending device, also known as the bending machine laser protection device, bending machine safety protection device, etc., monitors the working area of ​​the bending machine in real time by emitting and receiving infrared beams. Once it detects that an operator or other object has entered the danger zone, the device will immediately trigger the safety mechanism to quickly stop the bending machine from running, thereby preventing accidents.

[0003] The existing public technical solution, with announcement number CN220073080U, discloses a laser safety light curtain adjustment device dedicated to bending machines. It is made by sheet metal bending, without the need for customized molded aluminum profiles, saving costs; the structure can be adjusted in a variety of ways, with a wide adjustment range and fine-tuning function; it uses V-shaped rollers and V-shaped tracks to facilitate installation while ensuring accuracy; the mechanism is light and easy to adjust.

[0004] When the above technical solution is actually implemented, one end of the light curtain-controlled safety bending device is installed on the bending machine, the middle part is connected to the bending upper die, and the lower end is about 3 mm away from the bottom of the upper die. It can move up and down with the bending upper die. However, due to the different shapes of the bending upper die, the distance between the bending upper die and the bending machine housing is also different. When replacing a shorter bending upper die, it is necessary to move the position of the light curtain-controlled safety bending device to connect the light curtain-controlled safety bending device and the bending upper die, which is more troublesome to operate. Summary of the invention

[0005] The purpose of the utility model is to provide a light curtain controlled safety bending device, which can compensate the distance between the movable bracket and the bending upper mold through a distance compensation mechanism. When the bending upper mold is replaced, there is no need to move the position of the entire device, which is more convenient to use, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a light curtain controlled safety bending device, comprising a mobile bracket, a mounting horizontal plate is horizontally penetrated inside the mobile bracket, and limit plates are arranged on the left and right sides of the mounting horizontal plate, the limit plates are fixed on the bending machine, a height adjustment mechanism is vertically penetrated inside the mobile bracket, and a transmitter is installed at the bottom of the height adjustment mechanism, and a distance compensation mechanism is arranged above the mobile bracket;

[0007] The distance compensation mechanism includes a compensation shell, and an adjusting motor is fixedly installed on the top of the compensation shell by bolts, a power output end of the adjusting motor is connected to a transmission shaft, and the end of the transmission shaft is fixedly connected to a first bevel gear, one side of the first bevel gear is meshingly connected to a second bevel gear, the middle part of the second bevel gear is fixedly connected to an adjusting screw, and a telescopic sleeve is installed on the outside of the adjusting screw through a screw nut, a limit rod is provided on one side of the telescopic sleeve, and the limit rod is slidably connected to the compensation shell, the end of the telescopic sleeve is fixedly connected to a fixing plate, and an adhesive sheet is provided on the surface of the fixing plate.

[0008] Preferably, the telescopic sleeve is sleeved on the outside of the adjusting screw, and the screw nut is fixedly installed on the inside of the telescopic sleeve, and the telescopic sleeve slides in the compensation housing through the screw nut.

[0009] Preferably, the height adjustment mechanism comprises a guide bracket fixed to one side of the compensation housing, and an adjustment ruler is passed through the interior of the guide bracket.

[0010] Preferably, a fastening screw is provided on one side of the adjusting ruler, and a fixing nut is threadedly connected at the connection between the fastening screw and the guide bracket, one end of the fastening screw is fixedly connected to a fastening handle, and the other end of the fastening screw is fixedly connected to a rubber gasket.

[0011] Preferably, the rubber gasket abuts against the adjusting ruler, and the adjusting ruler passes through the interior of the movable bracket.

[0012] Preferably, the transmitter is located below the adjusting ruler, and the transmitter and the adjusting ruler are perpendicular to each other.

[0013] Preferably, the movable bracket slides on the mounting transverse plate, and the movable bracket slides on the adjusting ruler, and the mounting transverse plate and the adjusting ruler are perpendicular to each other.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The position of the fixed plate can be adjusted through the distance compensation mechanism. The adhesive sheet is used to fix the device on the side of the bending upper mold. Since the position of the fixed plate can be adjusted, the distance between the mobile bracket and the bending upper mold can be compensated. When connected to the side of the bending upper mold, it is adjusted according to the size of the bending upper mold without moving the position of the entire device. When replacing the bending upper mold, it is only necessary to separate the fixed plate from the bending upper mold without adjusting the installation position of the installation cross plate, which is more convenient to use; BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is the overall structural view of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the fastening screw of the utility model;

[0019] Figure 3 For the utility model Figure 1 A magnified view of middle;

[0020] Figure 4 It is a structural schematic diagram of the telescopic sleeve of the utility model.

[0021] Description of reference numerals:

[0022] 1. Mobile bracket; 2. Mounting cross plate; 3. Limit plate; 4. Height adjustment mechanism; 401. Adjusting ruler; 402. Fastening handle; 403. Fastening screw; 404. Rubber gasket; 405. Guide bracket; 406. Fixing nut; 5. Distance compensation mechanism; 501. Compensation shell; 502. Adjusting motor; 503. Telescopic sleeve; 504. Adhesive sheet; 505. Transmission shaft; 506. First bevel gear; 507. Second bevel gear; 508. Adjusting screw; 509. Fixing plate; 6. Transmitter. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides a technical solution:

[0025] See also Figure 1 and Figure 4A light curtain controlled safety bending device comprises a mobile bracket 1, a mounting horizontal plate 2 is horizontally penetrated inside the mobile bracket 1, and limit plates 3 are arranged on both sides of the mounting horizontal plate 2, and the limit plates 3 are fixed on the bending machine, a height adjustment mechanism 4 is vertically penetrated inside the mobile bracket 1, and a transmitter 6 is installed at the bottom of the height adjustment mechanism 4, and a distance compensation mechanism 5 is arranged above the mobile bracket 1;

[0026] The distance compensation mechanism 5 includes a compensation shell 501, and an adjusting motor 502 is fixedly installed on the top of the compensation shell 501 by bolts, a power output end of the adjusting motor 502 is connected to a transmission shaft 505, and the end of the transmission shaft 505 is fixedly connected to a first bevel gear 506, one side of the first bevel gear 506 is meshedly connected to a second bevel gear 507, the middle of the second bevel gear 507 is fixedly connected to an adjusting screw 508, and a telescopic sleeve 503 is installed on the outside of the adjusting screw 508 through a screw nut, a limit rod is provided on one side of the telescopic sleeve 503, and the limit rod is slidably connected to the compensation shell 501, a fixing plate 509 is fixedly connected to the end of the telescopic sleeve 503, and an adhesive sheet 504 is provided on the surface of the fixing plate 509, the telescopic sleeve 503 is sleeved on the outside of the adjusting screw 508, and the screw nut is fixedly installed on the inside of the telescopic sleeve 503, and the telescopic sleeve 503 slides in the compensation shell 501 through the screw nut.

[0027] By adopting the above technical scheme, holes can be opened at the four corners of the limit plate 3, and the limit plate 3 can be fixedly installed on the bending machine by screws, so that the direction of the light beam of the transmitter 6 is parallel to the bending upper mold. A receiver is installed on the other side of the bending machine, and the position of the receiver corresponds to the transmitter 6. The transmitter 6 can be moved left and right on the mounting cross plate 2 by the movable bracket 1 to adjust the position of the transmitter 6. The distance compensation mechanism 5 is used to fix the device on the side of the bending upper mold. When connecting with the side of the bending upper mold, the distance between the compensation shell 501 and the transmitter 6 is adjusted according to the size of the bending upper mold. After the compensation shell 501 is fixed on the bending upper mold, the distance between the light beam of the transmitter 6 and the bottom of the bending upper mold is about 3 mm. This distance can be adjusted according to actual usage. After the adjustment is completed, the adjustment motor 502 is started, and the adjustment motor 502 drives the transmission shaft 505 to rotate, so that the transmitter The first bevel gear 506 on the moving shaft 505 rotates, and at this time, the second bevel gear 507 can be driven to rotate through the first bevel gear 506, so that the adjusting screw 508 can be rotated, and the telescopic sleeve 503 can be driven to move forward under the action of the screw nut. Since a limit rod is provided on the telescopic sleeve 503, the limit rod only slides in the compensation shell 501, which can ensure that the telescopic sleeve 503 moves back and forth until the fixed plate 509 abuts against the side of the bending upper mold, and the adhesive sheet 504 is fixedly adhered to the side of the bending upper mold to realize the installation of the device. The receiver is also installed on the other side of the bending upper mold with the same structure. When the bending upper mold moves downward, the telescopic sleeve 503 can be driven to move downward through the fixed plate 509, thereby driving the height adjustment mechanism 4 to move downward at the same time through the compensation shell 501, and then the transmitter 6 moves with the movement of the bending upper mold.

[0028] Specifically, Figures 1 to 3 As shown, the height adjustment mechanism 4 includes a guide bracket 405 fixed to one side of the compensation shell 501, and an adjusting ruler 401 is inserted into the interior of the guide bracket 405, a fastening screw 403 is arranged on one side of the adjusting ruler 401, and a fixing nut 406 is threadedly connected to the connection between the fastening screw 403 and the guide bracket 405, one end of the fastening screw 403 is fixedly connected to a fastening handle 402, and the other end of the fastening screw 403 is fixedly connected to a rubber gasket 404, the rubber gasket 404 abuts against the adjusting ruler 401, and the adjusting ruler 401 passes through the interior of the mobile bracket 1, the transmitter 6 is located below the adjusting ruler 401, and the transmitter 6 and the adjusting ruler 401 are perpendicular to each other, the mobile bracket 1 slides on the mounting cross plate 2, and the mobile bracket 1 slides on the adjusting ruler 401, and the mounting cross plate 2 and the adjusting ruler 401 are perpendicular to each other.

[0029] By adopting the above technical solution, when it is necessary to adjust the position of the guide bracket 405, the fastening handle 402 can be rotated so that the fastening handle 402 drives the fastening screw 403 to rotate in the fixing nut 406, so that the rubber gasket 404 is away from the adjusting ruler 401. At this time, the guide bracket 405 can be slid on the adjusting ruler 401 to adjust the height of the launcher 6. After the adjustment is completed, the fastening handle 402 is rotated in the opposite direction, and the fastening handle 402 drives the fastening screw 403 to rotate in the fixing nut 406. The rubber gasket 404 and the adjusting ruler 401 abut against each other. After abutting against the adjusting ruler 401, the guide bracket 405 cannot move on the adjusting ruler 401. Therefore, when the height of the guide bracket 405 changes, the height of the launcher 6 will also be adjusted through the adjusting ruler 401, so that the launcher 6 moves synchronously with the bending upper mold.

[0030] Working principle: holes can be opened at the four corners of the limit plate 3, and the limit plate 3 is fixedly installed on the bending machine by screws, so that the light beam emission direction of the transmitter 6 is parallel to the bending upper die. A receiver is installed on the other side of the bending machine, and the position of the receiver corresponds to the transmitter 6. The transmitter 6 can be moved left and right on the installation horizontal plate 2 through the movable bracket 1 to adjust the position of the transmitter 6. The distance compensation mechanism 5 is used to fix the device on the side of the bending upper die to compensate for the distance between the movable bracket 1 and the bending upper die. When connected to the side of the bending upper die, according to the size of the bending upper die, the tightening handle 402 is rotated to make the tightening handle 402 drive the tightening screw 403 to rotate in the fixing nut 406, so that the rubber gasket 404 is away from the adjusting ruler 4 01, at this time, the guide bracket 405 can be slid on the adjusting ruler 401 to adjust the distance between the compensation shell 501 and the transmitter 6, so that the light beam distance of the transmitter 6 is about 3mm from the bottom of the bending upper mold. Under the action of the adjustment motor 502 on the distance compensation mechanism 5, the telescopic sleeve 503 is moved back and forth, and the adhesive sheet 504 is fixed and pasted together with the side of the bending upper mold to realize the installation of the device. The receiver is also installed on the other side of the bending upper mold with the same structure. When the bending upper mold moves downward, the telescopic sleeve 503 can be driven to move downward through the fixed plate 509, thereby driving the height adjustment mechanism 4 to move downward at the same time through the compensation shell 501, and then the transmitter 6 moves with the movement of the bending upper mold.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A light curtain controlled safety bending device, comprising a movable bracket (1), characterized in that: A mounting cross plate (2) is horizontally passed through the interior of the mobile bracket (1), and limit plates (3) are arranged on both the left and right sides of the mounting cross plate (2), and the limit plates (3) are fixed on the bending machine. A height adjustment mechanism (4) is vertically passed through the interior of the mobile bracket (1), and a transmitter (6) is installed at the bottom of the height adjustment mechanism (4). A distance compensation mechanism (5) is arranged above the mobile bracket (1); The distance compensation mechanism (5) comprises a compensation housing (501), and an adjustment motor (502) is fixedly installed on the top of the compensation housing (501) by means of bolts, a power output end of the adjustment motor (502) is connected to a transmission shaft (505), and the end of the transmission shaft (505) is fixedly connected to a first bevel gear (506), one side of the first bevel gear (506) is meshingly connected to a second bevel gear (507), the middle of the second bevel gear (507) is fixedly connected to an adjustment screw rod (508), and a telescopic sleeve (503) is installed on the outside of the adjustment screw rod (508) by means of a screw nut, a limit rod is provided on one side of the telescopic sleeve (503), and the limit rod is slidably connected to the compensation housing (501), the end of the telescopic sleeve (503) is fixedly connected to a fixing plate (509), and an adhesive sheet (504) is provided on the surface of the fixing plate (509).

2. A light curtain controlled safety bending device according to claim 1, characterized in that: The telescopic sleeve (503) is sleeved on the outside of the adjusting screw (508), and the screw nut is fixedly installed inside the telescopic sleeve (503). The telescopic sleeve (503) slides in the compensation housing (501) through the screw nut.

3. The light curtain controlled safety bending device according to claim 1, characterized in that: The height adjustment mechanism (4) comprises a guide bracket (405) fixed to one side of the compensation housing (501), and an adjustment ruler (401) is inserted into the interior of the guide bracket (405).

4. The light curtain controlled safety bending device according to claim 3, characterized in that: A fastening screw (403) is provided on one side of the adjusting ruler (401), and a fixing nut (406) is threadedly connected to the connection between the fastening screw (403) and the guide bracket (405), one end of the fastening screw (403) is fixedly connected to a fastening handle (402), and the other end of the fastening screw (403) is fixedly connected to a rubber gasket (404).

5. The light curtain controlled safety bending device according to claim 4, characterized in that: The rubber gasket (404) abuts against the adjustment ruler (401), and the adjustment ruler (401) penetrates the interior of the movable bracket (1).

6. The light curtain controlled safety bending device according to claim 5, characterized in that: The transmitter (6) is located below the adjusting ruler (401), and the transmitter (6) and the adjusting ruler (401) are perpendicular to each other.

7. The light curtain controlled safety bending device according to claim 6, characterized in that: The movable bracket (1) slides on the mounting transverse plate (2), and the movable bracket (1) slides on the adjusting ruler (401), and the mounting transverse plate (2) and the adjusting ruler (401) are perpendicular to each other.

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