CN-224231043-U - Workpiece material level detection device of multichannel furnace body

Abstract

The utility model provides a work piece material level detection device of multichannel furnace body, including two bearing frames, the pivot, a plurality of inspection bars, a plurality of first swing arm, the second swing arm, flexible drive unit, three touch portion, three travel detection switch and control unit, a plurality of inspection holes are seted up to the lateral wall of multichannel furnace body and a plurality of inspection bars are inserted, and set up these two bearing frames and wear to establish the pivot in these a plurality of inspection holes both sides, one end of inspection bar is adjacent to the work piece material level, another end is connected with the pivot through first swing arm, flexible drive unit sets up on the lateral wall and its flexible end is connected with the pivot through the second swing arm, this three touch portion cover is located in the pivot, travel detection switch corresponds touch portion and sets up in multichannel furnace body outside and with corresponding touch portion between have touch detection distance, control unit sets up in multichannel furnace body outside and with flexible drive unit and travel detection switch electric connection. Accordingly, the structure of the device can be simplified, and the application of the driving component is reduced, so that the manufacturing and operating cost is reduced.

Inventors

• MA ZHUANG

Assignees

• 爱协林热处理系统(北京)有限公司

Dates

Publication Date

20260512

Application Date

20250430

Claims (10)

1. 1. The workpiece material level detection device of the multichannel furnace body is used for detecting the positions of workpieces on the material levels of the workpieces in different channels of the multichannel furnace body and is characterized by comprising two bearing seats, a rotating shaft, a plurality of detection rods, a plurality of first swing arms, a second swing arm, a telescopic driving unit, three touching parts, three travel detection switches and a control unit, wherein the plurality of detection holes are formed in the side walls of the workpiece material levels in the adjacent channels of the multichannel furnace body corresponding to the workpiece material levels, the two bearing seats are respectively and fixedly arranged on the outer side surfaces of the side walls of the multichannel furnace body on the two sides of the plurality of detection holes, the rotating shaft can circumferentially rotate and is penetrated in the two bearing seats, the plurality of detection rods are respectively and correspondingly inserted in the plurality of detection holes, one end parts of the detection rods face and are adjacent to the workpiece material level, the other end parts of the detection rods are hinged with one end parts of the first swing arms, the other end parts of the first swing arms are fixedly sleeved on the rotating shaft, the second end parts of the second swing arms are fixedly sleeved on the side surfaces of the side walls of the multichannel furnace body corresponding to the telescopic driving unit, the three rocker arm units are fixedly arranged on the outer side surfaces of the three swing arms corresponding to the telescopic driving unit, the three rocker arm drive units are fixedly arranged on the side surfaces of the side surfaces corresponding to the three side surfaces, and the telescopic driving unit is arranged between the three side surfaces corresponding to the side surfaces of the three side surfaces of the detection switches are respectively arranged on the side surfaces corresponding to the side surfaces of the side surfaces, and the telescopic driving unit is arranged between the telescopic driving unit, the control unit is arranged on the outer side of the multi-channel furnace body and is respectively and electrically connected with the telescopic driving unit and the three travel detection switches, and the control unit detects the positions of workpieces on the workpiece material levels in different channels and controls the telescopic driving unit to reset by receiving signals generated by the corresponding travel detection switches touched by the touching parts.
2. 2. The workpiece level detecting device according to claim 1, wherein the other end portion of the detecting rod is provided with a through hole in a horizontal direction, the first swing arm is formed by a fixing sleeve, two first strip-shaped plates and a first connecting pin, a fixing key is arranged on the side wall of the rotating shaft, a fixing groove is concavely formed in the inner side wall of the fixing sleeve corresponding to the fixing key, the fixing sleeve is fixedly sleeved on the rotating shaft by being embedded in the fixing groove and the fixing key in an aligned manner, the two first strip-shaped plates are parallel, the plate surfaces are opposite and are separated by a certain distance, the one end portions of the two first strip-shaped plates are fixedly combined with the side wall of the fixing sleeve, the other end portions of the two first strip-shaped plates are aligned and provided with holes, and the detecting rod is aligned with the through holes of the two first strip-shaped plates through the through holes and can be circumferentially and rotatably hinged through the first connecting pin.
3. 3. The workpiece level detecting device according to claim 1, wherein one end of the rotating shaft penetrates out of the bearing seat and extends a distance to form a touch section, the second swing arm is composed of a second strip-shaped plate and a second connecting pin, a fixed key is arranged on the side wall of the touch section, a sleeved hole is formed in one end of the second strip-shaped plate, a groove is concavely formed in the hole edge of the sleeved hole, the second strip-shaped plate is fixedly sleeved on the touch section by being in alignment jogging of the groove and the fixed key, a hole is formed in the other end of the second strip-shaped plate, a connecting hole is formed in the end of the telescopic driving unit, and the second strip-shaped plate is in circumferential rotary penetrating hinge connection with the connecting hole of the telescopic driving unit in alignment of the hole through the second connecting pin.
4. 4. A workpiece level detecting device as claimed in claim 3, wherein said three touching portions are fixedly sleeved on said touching section, said touching portions have touching blocks, said travel detecting switch has electrical contacts, wherein on a radial plane of said rotating shaft, projections of each touching block have a pitch, projections of each electrical contact overlap, projections of each touching block overlap, projections of each electrical contact have a pitch, or projections of each touching block have a pitch, and projections of each electrical contact have a pitch.
5. 5. The workpiece material level detection device according to claim 1, further comprising a plurality of high temperature resistant sealing ring sleeves, wherein the diameter of the detection hole is larger than that of the detection rod, each high temperature resistant sealing ring sleeve is fixedly arranged on each detection hole, and the detection rod is inserted into each high temperature resistant sealing ring sleeve.
6. 6. The apparatus of claim 5, further comprising a plurality of seal caps, wherein the seal caps are rectangular, the seal caps are open at one side wall of each of the seal caps corresponding to the first swing arm, shaft holes are formed at opposite side walls of each of the seal caps corresponding to the rotating shaft, seal bearings are disposed in the shaft holes, the seal caps seal the first swing arm inside the seal caps through the openings, the seal caps are fixedly combined to the side walls of the multi-channel furnace, and the seal caps enable the rotating shaft to be rotatably sealed in the seal bearings through the shaft holes at both sides of the seal caps.
7. 7. The workpiece material level detecting device according to claim 1, further comprising a fixing frame, wherein the fixing frame is composed of ㄩ groove steel sections and two angle-shaped steel plates, the ㄩ groove steel sections are arranged below the telescopic driving unit with grooves facing upwards, one end of each ㄩ groove steel section is fixedly combined with the outer side face of the side wall of the multi-channel furnace body, the two angle-shaped steel plates are vertically arranged, opposite side faces of the two angle-shaped steel plates and the end edge far away from the telescopic driving unit are fixedly combined with two sides of each ㄩ groove steel section and the side wall of the multi-channel furnace body respectively, the telescopic driving unit is arranged with telescopic ends of the telescopic driving unit facing upwards, and the lower end of a cylinder end of the telescopic driving unit is fixedly arranged in the grooves of the ㄩ groove steel sections.
8. 8. The workpiece level detection device of claim 1, wherein the telescopic drive unit is a pneumatic telescopic cylinder, a hydraulic telescopic cylinder or an electric telescopic cylinder.
9. 9. The workpiece level detecting device according to claim 1, wherein the plurality of detection holes are formed at the same height, and the two bearing seats are formed at the same height.
10. 10. The workpiece level detection device of claim 1, wherein the control unit is constituted by a programmable logic control circuit or a microcontroller circuit.

Description

Workpiece material level detection device of multichannel furnace body Technical Field The utility model relates to a workpiece material level detection technology, in particular to a workpiece material level detection device of a multi-channel furnace body. Background With the rapid development of equipment manufacturing industry, multi-channel furnace body structures are developed and manufactured successively, wherein the multi-channel furnace body structures comprise multi-channel heating furnaces, tempering furnaces, carburizing furnaces and the like. The workpiece material level detecting device is an indispensable sensing detection control component for detecting the workpiece conveying position and controlling the orderly development of the workpiece heat treatment process of various furnace bodies. However, the existing multi-channel furnace still uses a single-channel material level detection device with independent structure, and multiple single-channel material level detection devices have to be used to detect the material level of the workpiece in each channel, so that the manufacturing cost and the operation cost of the furnace are increased. Therefore, how to combine the structural features of the multi-channel furnace body, develop a workpiece level detection device which is specially suitable for the multi-channel furnace body and has a simplified structure and parts can be shared, so as to reduce the manufacturing and operation costs, and become one of the technical problems to be solved in the art. Disclosure of utility model The technical problem to be solved by the technical scheme is how to provide a workpiece material level detection device which is specially applicable to a multi-channel furnace body, has a simplified structure and can share part of components, so that the manufacturing and running cost is reduced. In order to solve the technical problems, the technical scheme provides a workpiece material level detection device of a multi-channel furnace body, which is used for detecting the positions of workpieces on the material levels of the workpieces in different channels of the multi-channel furnace body, and comprises two bearing seats, a rotating shaft, a plurality of detection rods, a plurality of first swing arms, a second swing arm, a telescopic driving unit, three touch parts, three travel detection switches and a control unit, wherein a plurality of detection holes are formed on the side walls of the workpiece material levels in the adjacent channels of the multi-channel furnace body corresponding to the workpieces, the two bearing seats are respectively and fixedly arranged on the outer side surfaces of the side walls of the multi-channel furnace body at the two sides of the detection holes, a rotating shaft can circumferentially rotate and penetrates through the two bearing seats, the plurality of detection rods are respectively and correspondingly inserted into the detection holes, one end parts of the detection rods face and are adjacent to the workpiece material level, the other end parts of the detection rods are hinged with one end parts of the first swing arms, the other end parts of the first swing arms are fixedly sleeved on the rotating shaft, one end parts of the second swing arms are fixedly sleeved on the rotating shaft, the telescopic driving unit is fixedly arranged on the side walls of the rotating shaft corresponding to the outer side surfaces of the three travel detection switches corresponding to the three travel switches, the three travel detection switches are respectively arranged on the outer sides of the three travel switches corresponding to the outer sides of the three travel switches, the three travel switches are respectively and are electrically connected with the three travel switches respectively, the three travel switches are arranged on the outer sides of the three travel switches respectively, the control unit is used for detecting the workpiece positions on the workpiece material levels in different channels by receiving signals generated by the touch parts touching the corresponding travel detection switches and controlling the telescopic driving unit to reset. Accordingly, the workpiece material level detection device of the technical scheme can be used for respectively detecting the workpiece positions on the workpiece material levels in the channels by only arranging the rotating shaft, the telescopic driving unit and the three travel detection switches, and can realize the reset detection of the detection rods and the detection of the workpiece reaching the designated position and the detection of the workpiece exceeding position in the channels, so that compared with the existing structure of the multi-channel furnace body by using a plurality of single-channel material level detection devices, the application quantity of the telescopic driving unit, the travel detection switches and related matched components can be saved, the