Safety grating fixing frame
By designing synchronous lifting and disassembly components, the problem of misalignment between the transmitting and receiving parts in the safety light curtain fixing frame is solved, enabling precise adjustment and convenient maintenance, and improving detection accuracy and equipment operation stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG MOODY OPTOELECTRONICS TECHNOLOGY CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-04-10
AI Technical Summary
The existing safety light curtain fixing bracket has separate threaded rods on both sides of the punch press worktable, which can easily lead to misalignment of the transmitting and receiving parts during adjustment, resulting in incorrect judgments, false activation of the safety mechanism, punch press shutdown, and reduced detection accuracy.
The system employs a synchronous lifting assembly and a disassembly assembly. The synchronous lifting assembly, driven by forward and reverse motors, enables height adjustment and alignment of the transmitting and receiving parts of the safety light curtain. The disassembly assembly facilitates quick disassembly and installation, improving maintenance efficiency.
It achieves precise adjustment of the safety grating's transmitting and receiving parts, avoids false triggering safety mechanisms, improves detection accuracy and equipment maintenance flexibility, and prevents unnecessary downtime of the punch press.
Smart Images

Figure CN224107961U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of safety grating, especially relates to a safety grating fixing frame. BACKGROUND
[0002] Safety grating is a kind of photoelectric protection device, it is also called safety light curtain or photoelectric protector, and safety grating is mainly composed of transmitter, receiver and controller etc., it has real-time detection, high precision, response fast and flexibility etc., and safety grating is mainly applied to industrial production line, logistics storage etc.
[0003] In a kind of fixing frame for safety grating disclosed in Chinese patent application No. "202320089030.9", specifically a kind of fixing frame for safety grating, including punch press body, the left and right sides of the punch press body are both fixedly installed with mounting plate, the top of the mounting plate is fixedly installed with stand, the side of the stand close to punch press body is fixedly installed with safety grating body, adjusting mechanism is arranged on the stand, the side of the safety grating body close to the stand is fixedly installed with mounting sleeve.
[0004] However, the above-mentioned fixing frame for safety grating still has the following disadvantages:
[0005] Although the above-mentioned device uses a threaded rod to drive a threaded block to lift the safety grating body, but by setting separate threaded rods on both sides of the punch press workbench, it is necessary to adjust the threaded rods separately to complete the lifting, and the separate threaded rods set on both sides of the punch press make it easy to cause the emission and receiving parts of the safety grating to be misaligned, resulting in false judgment of the case where an object blocks the light, thus causing the safety mechanism to be triggered incorrectly, leading to unnecessary downtime of the punch press, unable to operate normally, also reducing the detection accuracy, and the use effect is not good. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a safety grating fixing frame to solve the problem that separate threaded rods are set on both sides of the punch press workbench, thus requiring separate adjustment of the threaded rods to complete the lifting, and the separate threaded rods set on both sides of the punch press make it easy to cause the emission and receiving parts of the safety grating to be misaligned, resulting in false judgment of the case where an object blocks the light, thus causing the safety mechanism to be triggered incorrectly, leading to unnecessary downtime of the punch press, unable to operate normally, also reducing the detection accuracy, and the use effect is not good.
[0007] To achieve the above-mentioned purpose, a safety grating fixing frame is provided, which comprises: a punch press workbench and a bow-shaped plate, a dismounting assembly is arranged on the punch press workbench, a synchronous lifting assembly is arranged on the bow-shaped plate, a safety grating assembly is arranged on the synchronous lifting assembly, and a mounting groove is formed in the upper surface of the punch press workbench;
[0008] The synchronous lifting assembly comprises a first threaded rod and a second threaded rod, a second driving rod is fixedly installed at the bottom end of the first threaded rod, a first driving rod is fixedly installed at the bottom end of the second threaded rod, a chain wheel is fixedly installed on the outer wall of the first driving rod and the second driving rod, a chain belt is arranged on the outer wall of the two chain wheels, an internal thread ring is threadedly installed on the outer wall of the first threaded rod and the second threaded rod, and a connecting rod is fixedly installed on the outer wall of the internal thread ring.
[0009] According to the safety grating fixing frame, a first bevel gear is fixedly installed on the outer wall of the second driving rod, a first shell is fixedly installed on one end of the bow-shaped plate, a second shell is fixedly installed on the other end of the bow-shaped plate, the bottom end of the first driving rod is rotatably installed in the inner bottom of the second shell, the bottom end of the second driving rod is rotatably installed in the inner bottom of the first shell, and a reversible motor is fixedly installed on the outer wall of the first shell.
[0010] According to the safety grating fixing frame, the output shaft of the reversible motor penetrates through the through hole formed in the outer wall of the first shell, the output shaft of the reversible motor is fixedly installed with a second bevel gear, the first bevel gear and the second bevel gear are in meshing connection, a chain belt through groove is formed in the bow-shaped plate, and the chain belt is located inside the chain belt through groove.
[0011] According to the safety grating fixing frame, the chain belt penetrates through the through hole arranged on the side wall of the first shell and the second shell, a stroke groove is formed in the outer wall of the first shell and the second shell, and the inner wall of the stroke groove is in sliding connection with the connecting rod.
[0012] According to the safety grating fixing frame, the safety grating assembly comprises a safety grating transmitter and a safety grating receiver, and the safety grating transmitter and the safety grating receiver are fixedly installed on the other end of the connecting rod.
[0013] According to the safety grating fixing frame, the dismounting assembly comprises a pull rod, an integrated plate is fixedly installed at one end of the pull rod, the pull rod penetrates through the through hole formed in one side of the punch press workbench, a spring is fixedly installed on one side of the integrated plate, and a latch is fixedly installed on the other side of the integrated plate.
[0014] According to the safety grating fixing frame, a spring bin and a circular hole groove are formed in the interior of the punch press workbench, one end of the circular hole groove is in communication with the spring bin, and the other end of the spring is fixedly installed on the inner wall of the spring bin.
[0015] According to the safety grating fixing frame, the latch is slidingly installed on the inner wall of the circular hole groove, and a plug hole is formed in one side of the bow-shaped plate.
[0016] The above scheme has the beneficial effects of:
[0017] In the utility model, through the synchronous lifting assembly, the threaded rods arranged on both sides of the punch bench worktable are synchronously adjusted, the emitting and receiving parts of the safety grating are still aligned during height adjustment, the height can be accurately adjusted while the emitting and receiving parts of the safety grating are aligned, the height can be steplessly adjusted, the situation that an object shields light and causes the safety mechanism to be erroneously triggered is avoided, unnecessary shutdown of the punch is prevented, normal operation is ensured, the detection accuracy is improved, and the use effect is good.
[0018] In the utility model, through the dismounting assembly, the arch-shaped plate and the mounting groove, the safety grating fixing frame is quickly dismounted, which makes it more convenient for maintenance personnel to check, maintain and replace parts, is not limited by the overall structure of the equipment, the flexibility of the use of maintenance tools is improved, the maintenance efficiency is improved, and the use effect is good.
[0019] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0020] The utility model will be further explained in connection with the drawings and embodiments;
[0021] Figure 1 It is a perspective view of a safety grating fixing frame of the utility model;
[0022] Figure 2 It is an exploded view of a safety grating fixing frame of the utility model;
[0023] Figure 3 It is a perspective view of a synchronous lifting assembly in a safety grating fixing frame of the utility model;
[0024] Figure 4 It is a perspective view of a dismounting assembly in a safety grating fixing frame of the utility model;
[0025] Figure 5 It is an enlarged view of A in a safety grating fixing frame of the utility model;
[0026] Figure 6 It is a partial view of an arch-shaped plate in a safety grating fixing frame of the utility model.
[0027] LEGEND:
[0028] 1 punch workbench;2, arch plate;3, safety grating assembly;31, safety grating transmitter;32, safety grating receiver;4, synchronous lifting assembly;41, first housing;42, second housing;43, stroke slot;44, positive and negative motor;45, first threaded rod;46, second threaded rod;47, internal thread ring;48, connecting rod;49, chain wheel;410, chain belt;411, first drive rod;412, second drive rod;413, first bevel gear;414, second bevel gear;5, disassembly assembly;51, spring bin;52, round hole slot;53, jack;54, integrated plate;55, pull rod;56, spring;57, bolt;6, mounting groove;7, chain belt through slot. DETAILED DESCRIPTION
[0029] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0030] Referring to Figures 1-6 , the utility model embodiment a safety grating fixed frame, it includes: punch workbench 1 and arch plate 2, punch workbench 1 is provided with disassembly assembly 5, arch plate 2 is provided with synchronous lifting assembly 4, synchronous lifting assembly 4 is provided with safety grating assembly 3, the upper surface of punch workbench 1 is set with mounting groove 6;
[0031] The safety grating fixing frame in the utility model, the dismounting assembly 5 is arranged on the punch bench 1, its main function is to provide convenience for the installation and dismounting of the arch-shaped plate 2, through the dismounting assembly 5, the staff can quickly and conveniently install the arch-shaped plate 2 into the installation slot 6 opened on the upper surface of the punch bench 1, or dismount it when needed to facilitate the maintenance and overhaul of the equipment, the synchronous lifting assembly 4 on the arch-shaped plate 2 is the key to realize the position adjustment of the safety grating assembly 3, the synchronous lifting assembly 4 can accurately control the safety grating assembly 3 to move up and down according to the actual work requirement, the safety grating assembly 3 can be adjusted to the appropriate height position under the driving of the synchronous lifting assembly 4, its main function is to protect the dangerous work area, when an object enters the sensing area of the safety grating assembly 3, the safety grating can immediately sense and transmit the signal to the control system of the punch, after the control system receives the signal, it will quickly respond and stop the punching action of the punch, thereby avoiding the operator from being hurt due to the accidental touch of the work area, in the whole working process, the punch bench 1 serves as the basic bearing platform and provides stable installation positions for other assemblies, the dismounting assembly 5 guarantees the flexibility of the installation and dismounting of the arch-shaped plate 2, and the synchronous lifting assembly 4 and the safety grating assembly 3 jointly constitute the safety protection system, ensuring the safety of the operator during the operation of the punch and realizing the efficient and safe operation of the equipment.
[0032] The synchronous lifting assembly 4 comprises a first threaded rod 45 and a second threaded rod 46, the bottom end of the first threaded rod 45 is fixedly installed with a second driving rod 412, the bottom end of the second threaded rod 46 is fixedly installed with a first driving rod 411, the outer wall of the first driving rod 411 and the second driving rod 412 is fixedly installed with a chain wheel 49, the outer wall of the two chain wheels 49 is provided with a chain belt 410, the outer wall of the first threaded rod 45 and the second threaded rod 46 is screwedly installed with an internal thread ring 47, the outer wall of the internal thread ring 47 is fixedly installed with a connecting rod 48, the outer wall of the second driving rod 412 is fixedly installed with a first bevel gear 413, one end of the outer wall of the arch-shaped plate 2 is fixedly installed with a first outer shell 41, the outer wall of the other end of the arch-shaped plate 2 is fixedly installed with a second outer shell 42, the bottom end of the first driving rod 411 is rotatably installed in the inner bottom of the second outer shell 42, the bottom end of the second driving rod 412 is rotatably installed in the inner bottom of the first outer shell 41, the outer wall of the first outer shell 41 is fixedly installed with a reversible motor 44, the output shaft of the reversible motor 44 penetrates through the through hole formed in the outer wall of the first outer shell 41, the output shaft of the reversible motor 44 is fixedly installed with a second bevel gear 414, the first bevel gear 413 and the second bevel gear 414 are in mesh connection, the chain belt through slot 7 is formed in the arch-shaped plate 2, the chain belt 410 is located inside the chain belt through slot 7, the chain belt 410 penetrates through the through hole formed in the side wall of the first outer shell 41 and the second outer shell 42, the outer wall of the first outer shell 41 and the second outer shell 42 is formed with a stroke slot 43, the inner wall of the stroke slot 43 is in sliding connection with the connecting rod 48.
[0033] The safety grating assembly 3 comprises a safety grating transmitter 31 and a safety grating receiver 32, and the safety grating transmitter 31 and the safety grating receiver 32 are fixedly installed at the other end of the connecting rod 48.
[0034] In the safety grating fixing frame, when the height of the safety grating assembly 3 needs to be adjusted, the reversible motor 44 starts to work, the output shaft drives the second bevel gear 414 to rotate, the first bevel gear 413 is meshed and connected with the second bevel gear 414, the rotation of the second bevel gear 414 drives the first bevel gear 413 to rotate synchronously, and then drives the first bevel gear 413 fixed on the second driving rod 412 to rotate, when the second driving rod 412 rotates, the sprocket 49 fixed on the outer wall thereof rotates, through the transmission of the chain belt 410, the other sprocket 49 fixed on the outer wall of the first driving rod 411 also starts to rotate, thereby driving the first driving rod 411 to rotate, the first threaded rod 45 and the second threaded rod 46 rotate synchronously under the driving of the first driving rod 411 and the second driving rod 412, with the rotation of the first threaded rod 45 and the second threaded rod 46, the internally threaded ring 47 screw-connected therewith moves along the axial direction of the threaded rod, since the outer wall of the internally threaded ring 47 is fixedly installed with the connecting rod 48, and the connecting rod 48 is slidingly connected with the inner wall of the stroke groove 43 formed in the outer wall of the first housing 41 and the second housing 42, the movement of the internally threaded ring 47 drives the connecting rod 48 to smoothly slide in the stroke groove 43, and since the safety grating transmitter 31 and the safety grating receiver 32 are fixedly installed at the other end of the connecting rod 48, the movement of the connecting rod 48 can accurately drive the safety grating assembly 3 to synchronously ascend and descend, so that the safety grating assembly 3 is adjusted to a suitable height position, thereby effectively protecting the safety of the operator.
[0035] The dismounting assembly 5 comprises a pull rod 55, one end of the pull rod 55 is fixedly installed with an integrated plate 54, the pull rod 55 penetrates through a through hole formed in one side of the punch press workbench 1, one side of the integrated plate 54 is fixedly installed with a spring 56, the other side of the integrated plate 54 is fixedly installed with a bolt 57, the interior of the punch press workbench 1 is formed with a spring bin 51 and a circular hole groove 52, one end of the circular hole groove 52 is communicated with the spring bin 51, the other end of the spring 56 is fixedly installed on the inner wall of the spring bin 51, the bolt 57 is slidingly installed on the inner wall of the circular hole groove 52, and one side of the bow plate 2 is formed with a insertion hole 53.
[0036] In the safe grating fixed frame in the utility model, in punch press equipment, the important function of quick installation and disassembly of the bow-shaped plate 2 is borne by the disassembly assembly 5, when the bow-shaped plate 2 needs to be disassembled, pull the pull rod 55, the pull rod 55 drives the integrated plate 54 to move, the integrated plate 54 overcomes the elastic force of the spring 56, makes the bolt 57 gradually from the insertion hole 53 of the bow-shaped plate 2 exit, when the bolt 57 completely separates from the insertion hole 53, the bow-shaped plate 2 can be easily taken out from the installation groove 6, after taking out the bow-shaped plate 2, loosen the pull rod 55, the elastic force of the spring 56 pushes the integrated plate 54 again, makes the bolt 57 reset, returns to the initial position, prepares for the next time installation bow-shaped plate 2, the disassembly assembly 5 is through the mutual cooperation of pull rod 55, integrated plate 54, spring 56 and bolt 57, realizes automatic fixing by the elastic force of spring 56, realizes quick unlocking by external force pulling pull rod 55, simple operation is convenient, greatly improves the installation and disassembly efficiency of bow-shaped plate 2.
[0037] Working principle: drive the positive and negative motor 44, the output shaft of the positive and negative motor 44 drives the second bevel gear 414 to rotate, the second bevel gear 414 is meshed with the first bevel gear 413, so that the first bevel gear 413 is driven to rotate, the first bevel gear 413 rotates at the same time drive the second drive rod 412 to rotate, the second drive rod 412 drives the first threaded rod 45 to rotate, the second drive rod 412 drives the first drive rod 411 to rotate synchronously through the chain wheel 49 and the chain belt 410, the first drive rod 411 rotates at the same time drive the second threaded rod 46 to rotate, the first threaded rod 45 and the second threaded rod 46 are screwed with the internal thread ring 47 on the outer wall, the first threaded rod 45 and the second threaded rod 46 rotate at the same time drive the internal thread ring 47 to displace on its outer wall, the internal thread ring 47 drives the safety grating transmitter 31 and the safety grating receiver 32 to displace through the connecting rod 48, so that the safety grating transmitter 31 and the safety grating receiver 32 displace, when the safety grating fixed frame needs to be repaired, only pull the pull rod 55, the pull rod 55 drives the integrated plate 54 to displace, the integrated plate 54 drives the bolt 57 to displace, so that the bolt 57 moves out from the insertion hole 53, the integrated plate 54 extrudes the spring 56, so that it forms the extrusion state, and then the bow-shaped plate 2 is taken out from the inside of the installation groove 6, and the safety grating fixed frame is repaired.
[0038] The utility model is not limited to the above embodiment, and various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the utility model.
Claims
1. A security grating fixture comprising: The punch workbench (1) and the arch plate (2) are characterized in that the punch workbench (1) is provided with a disassembly assembly (5), the arch plate (2) is provided with a synchronous lifting assembly (4), the synchronous lifting assembly (4) is provided with a safety grating assembly (3), and the upper surface of the punch workbench (1) is provided with a mounting groove (6). The synchronous lifting assembly (4) comprises a first threaded rod (45) and a second threaded rod (46), the bottom end of the first threaded rod (45) is fixedly installed with a second driving rod (412), the bottom end of the second threaded rod (46) is fixedly installed with a first driving rod (411), the outer wall of the first driving rod (411) and the second driving rod (412) is fixedly installed with a chain wheel (49), the outer wall of the two chain wheels (49) is provided with a chain belt (410), and the outer wall of the first threaded rod (45) and the second threaded rod (46) is screwedly installed with an internal thread ring (47).
2. The security grating mounting frame of claim 1, wherein, The outer wall of the second driving rod (412) is fixedly installed with a first bevel gear (413), one end of the outer wall of the arch plate (2) is fixedly installed with a first shell (41), the outer wall of the other end of the arch plate (2) is fixedly installed with a second shell (42), the bottom end of the first driving rod (411) is rotatably installed in the inner bottom of the second shell (42), the bottom end of the second driving rod (412) is rotatably installed in the inner bottom of the first shell (41), and the outer wall of the first shell (41) is fixedly installed with a reversible motor (44).
3. The security grating mounting frame of claim 2, wherein, The output shaft of the reversible motor (44) penetrates through the through hole formed in the outer wall of the first shell (41), the output shaft of the reversible motor (44) is fixedly installed with a second bevel gear (414), the first bevel gear (413) and the second bevel gear (414) are in meshing connection, and the arch plate (2) is provided with a chain belt through groove (7), and the chain belt (410) is located in the chain belt through groove (7).
4. The security grating mounting frame of claim 3, wherein, The chain belt (410) penetrates through the through hole formed in the side wall of the first shell (41) and the second shell (42), the outer wall of the first shell (41) and the second shell (42) is provided with a stroke groove (43), and the inner wall of the stroke groove (43) is in sliding connection with the connecting rod (48).
5. The security grating mounting frame of claim 1, wherein, The safety grating assembly (3) comprises a safety grating transmitter (31) and a safety grating receiver (32), and the safety grating transmitter (31) and the safety grating receiver (32) are fixedly installed at the other end of the connecting rod (48).
6. The security grating mounting frame of claim 1, wherein, The disassembly assembly (5) comprises a pull rod (55), one end of the pull rod (55) is fixedly installed with an integrated plate (54), the pull rod (55) penetrates through the through hole formed in one side of the punch workbench (1), one side of the integrated plate (54) is fixedly installed with a spring (56), and the other side of the integrated plate (54) is fixedly installed with a bolt (57).
7. A security grating mounting frame according to claim 6, wherein The inside of the punch press workbench (1) is provided with a spring bin (51) and a round hole groove (52), one end of the round hole groove (52) is communicated with the spring bin (51), and the other end of the spring (56) is fixedly installed on the inner wall of the spring bin (51).
8. The security grating mounting frame of claim 7, wherein, The plug pin (57) is slidingly installed on the inner wall of the round hole groove (52), and one side of the arch-shaped plate (2) is provided with a plug hole (53).
Citation Information
Patent Citations
Fixing frame for safety grating
CN220338084U