CN110926321A

CN110926321A - Workpiece positioning detection device

Info

Publication number: CN110926321A
Application number: CN201911197308.9A
Authority: CN
Inventors: 程浩; 冯昆军; 张帆; 唐勇全
Original assignee: NINGBO ZHISHENG OVEN CO Ltd
Current assignee: NINGBO ZHISHENG OVEN CO Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-03-27

Abstract

The invention discloses a workpiece positioning detection device which comprises an action assembly fixed inside an oven and a response assembly arranged outside the oven, wherein the action assembly comprises a base and an articulated block, the articulated block is articulated on the upper end surface of the base, one end of the articulated block is higher than the other end of the articulated block, the other end of the articulated block is connected with a conducting wire, the other end of the conducting wire penetrates out of the base, the response assembly comprises a resetting piece and a response unit, the other end of the conducting wire is connected with the resetting piece, and the response unit is used for detecting the movement of the resetting piece; the advantage is that the position of tray or work piece that can pass through can be transmitted to the response subassembly through the conducting wire through the articulated piece that the action subassembly set up to through the proximity switch that the response subassembly set up with the position convert the signal of telecommunication into and realize the detection to work piece or tray positional information. The action subassembly carries out positional information's transmission through pipe and conduction line, and this design simple structure, the proximity switch's that the response subassembly set up response speed is fast simultaneously, and the reaction is more sensitive.

Description

Workpiece positioning detection device

Technical Field

The invention particularly relates to a workpiece positioning and detecting device.

Background

The baking oven can be used in the fields of industrial technology production, chemical industry and the like to bake and dry workpieces. The conveying belt used for conveying the workpieces is arranged in the oven, the workpieces are transferred into the oven from the inlet of the oven through the conveying belt to be baked, and the workpieces are conveyed to the outlet of the oven after being baked. The position of the workpiece needs to be detected through the detection device when the workpiece moves to the outlet, and the workpiece or a tray for placing the workpiece is prevented from colliding with the baffle. The existing detection device mostly adopts the travel switch to detect the position, but because the temperature in the oven is high, the existing travel switch has insufficient heat-resistant durability in the actual use process, namely the existing travel switch cannot work in the oven for a long time, the high temperature easily causes the damage of the internal parts of the travel switch, the travel switch needs to be frequently replaced, and the loss cost of an enterprise is increased; and the high-temperature-resistant travel switch passing through the inlet has higher cost and cannot be popularized and applied in the oven for use. Therefore, a detection device which is simple in structure, convenient to use and not easy to damage is urgently needed to replace a travel switch which is easy to wear to position and detect the position of a workpiece or a tray in the oven.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the workpiece positioning and detecting device is simple in structure, convenient to use, capable of working in the oven for a long time and not easy to damage.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a work piece location detection device, is including fixing the inside action subassembly of oven and setting at the outside response subassembly of oven, the action subassembly include base and articulated piece, articulated piece articulated setting be in the up end of base, the one end of articulated piece be higher than the other end, the other end of articulated piece be connected with the conducting wire, the other end of conducting wire wear out the base, the response subassembly including piece and the response unit that resets, the other end of conducting wire with the piece that resets be connected, the response unit be used for detecting the removal of piece that resets.

Preferably, a guide pipe with the inner diameter larger than the diameter of the conducting wire is fixedly arranged below the base, and the other end of the conducting wire penetrates out of the oven through the guide pipe.

Preferably, the response unit is a proximity switch, the response unit is fixedly arranged at the outer side of the oven, and the resetting piece is arranged below the response unit and is close to the response unit.

Preferably, the response subassembly still include the fixing base, the piece that resets through wearing out the conducting wire activity setting of fixing base is in the below of fixing base, the fixed spacing post that is provided with of up end that resets, spacing department wear out the fixing base, the piece that resets with the fixing base between be provided with reset spring, reset spring cover establish the spacing post outside.

Preferably, the response unit is fixed with the fixed seat and is located between the fixed seat and the reset piece, a blocking piece is integrally and fixedly arranged on the upper end face of the reset piece, and the blocking piece is close to the response unit.

Preferably, the conductive wire is made of metal.

Preferably, the conduit is a metal conduit.

Preferably, the base is fixedly arranged on the upper end face of the bottom of the oven, a conveyor belt is arranged on the bottom of the oven, one end of the hinge block is higher than the upper end face of the conveyor belt, and the other end of the hinge block is lower than the upper end face of the conveyor belt.

Preferably, the response unit is fixedly arranged on the outer surface of the oven, the other end of the guide pipe is fixed with the side wall of the oven, and the conducting wire passes through the guide pipe and out of the oven.

Preferably, one end of the hinge block is rotatably provided with a roller.

Compared with the prior art, the invention has the advantages that the corresponding detection process can be indirectly transmitted to the response component through the action component arranged in the oven, and the positioning detection of the workpiece or the tray is finished outside the oven. Therefore, the existing design that the sensor is arranged in the oven and the phenomenon that the sensor is easily damaged in a high-temperature environment through the stroke switch or the sensor is avoided. The position of the passing tray or the passing workpiece can be transmitted to the response assembly through the transmission line by the hinged block arranged by the action assembly, and the position is converted into an electric signal by the proximity switch arranged by the response assembly to realize the detection of the position information of the workpiece or the tray. The action assembly transmits position information through the guide pipe and the conducting wire, the design structure is simple and easy to realize, the phenomenon that a sensor or a travel switch in the existing design is easy to damage in the actual use process is overcome, the response speed of a proximity switch arranged on the response assembly is high, the response is more sensitive, and meanwhile, the phenomenon that scratches are generated between a workpiece or a tray and the hinge block due to mutual friction can be effectively reduced due to the fact that the roller is arranged at one end of the hinge block; according to the invention, the limiting column and the reset spring are arranged above the reset piece, the reset piece can only move along the vertical direction due to the limiting column, and the reset piece can move more quickly and reliably when being reset downwards due to the reset spring.

Drawings

FIG. 1 is one of the installation schematics of the present invention;

FIG. 2 is a second installation diagram of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is a schematic structural diagram of a motion assembly of the present invention;

fig. 5 is a schematic structural diagram of a response assembly of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

A workpiece positioning detection device comprises an action assembly 2 fixed inside an oven 1 and a response assembly 3 arranged outside the oven 1, wherein the action assembly 2 comprises a base 201 and a hinged block 202, the response assembly 3 comprises a reset piece 301 and a response unit 302, the base 201 is fixedly arranged on the upper end face of the bottom of the oven 1, a conveyor belt 9 is arranged at the bottom of the oven 1, one end of the hinged block 202 is slightly higher than the upper end face of the conveyor belt 9, the other end of the hinged block 202 is lower than the upper end face of the conveyor belt 9, the hinged block 202 is hinged on the upper end face of the base 201, one end of the hinged block 202 is higher than the other end, a roller 10 is rotatably arranged at one end of the hinged block 202, the other end of the hinged block 202 is connected with a conducting wire 4, a guide pipe 5 with the inner diameter larger than the conducting wire 4 is fixedly arranged below the base 201, the other end of the guide pipe 5 is fixed with the side wall of the oven 1, the, the other end of conductive wire 4 is connected with the piece 301 that resets, response subassembly 3 still includes the fixing base, the fixed lateral surface that sets up at oven 1 of fixing base, the piece 301 that resets sets up the below at the fixing base through the 4 activities of conductive wire that wear out the fixing base, wherein response unit 302 is proximity switch, response unit 302 is fixed mutually with the fixing base and is located the fixing base, reset between the piece 301, it sets up the below at response unit 302 to reset piece 301, and the integrative fixed separation blade 8 that is provided with of the up end that resets piece 301, response unit 302 is pressed close to separation blade 8, be used for detecting by response unit 302 whether the piece 301 that resets moves up.

The upper end surface of the reset piece 301 can be further fixedly provided with a limiting column 7, the limiting position penetrates out of the fixed seat, a reset spring 6 is arranged between the reset piece 301 and the fixed seat, the reset spring 6 is sleeved outside the limiting column 7 and used for limiting the reset piece 301 to stably move upwards, and when the reset is carried out, enough restoring force can restore the hinge block 202,

wherein the conductive wire 4 is made of heat-resistant metal, such as iron wire, steel wire or heat-resistant alloy; the conduit 5 is a metal conduit 5, such as a steel or alloy pipe, so that the conductive wire 4 and the conduit 5 can still work normally at a higher temperature.

The working process of the invention is as follows: the tray 11 is conveyed into the oven 1 through the conveyor belt 9, one end of the hinged block 202 arranged above the base 201 in the oven 1 is higher than the conveyor belt 9, when the conveyor belt conveys the tray 11, the bottom of the tray 11 is contacted with the roller 10 on the hinged block 202, the hinged block 202 is hinged to the base 201, when the tray 11 is contacted with the roller 10, one end of the hinged block 202 moves downwards, meanwhile, the other end of the hinged block 202 tilts upwards, the conductive wire 4 connected with the hinged block 202 moves synchronously, the arranged guide pipe 5 can protect the conductive wire 4, the conductive wire 4 is prevented from being contacted with the conveyor belt 9 when in work, and further, the working reliability of the conductive wire 4 is improved. The movement of the conductive wire 4 causes the reset element 301 connected to the other end thereof to move upward, and the reset element 301 is close to the response unit 302, so that the unit formed by the proximity switch can rapidly detect the movement of the reset element 301 when the reset element 301 moves, thereby realizing the positioning detection of the workpiece or the tray 11. After the tray 11 slides over the roller 10, the reset member 301 moves downward under its own gravity, synchronously moving the conductive wire 4 and restoring the hinge block 202 to the original state for the next positioning detection. Meanwhile, a return spring 6 can be arranged above the reset piece 301, and when the hinged block 202 acts, namely the tray 11 is in contact with the roller 10, so that one end of the hinged block 202 moves downwards, the reset piece 301 moves upwards to compress the return spring 6; after the tray 11 slides over the roller 10, the reset piece 301 makes the reset piece 301 move downwards under the action of the elastic force of the reset spring 6, so that the hinge block 202 is restored to the original state; and the setting of spacing post 7 makes piece 301 that resets can only move along vertical direction, and the setting of spacing post 7 and reset spring 6 can make articulated piece 202's the action that resets more reliable.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A workpiece positioning detection device is characterized in that, comprising an action assembly fixed inside the oven and a response assembly arranged outside the oven, the action assembly comprises a base and a hinge block, and the hinge block is hingedly arranged at the place. On the upper end surface of the base, one end of the hinge block is higher than the other end, the other end of the hinge block is connected with a conductive wire, and the other end of the conductive wire passes through the base, the response The assembly includes a reset member and a response unit, the other end of the conductive wire is connected with the reset member, and the response unit is used for detecting the movement of the reset member.

2 . The workpiece positioning detection device according to claim 1 , wherein a conduit with an inner diameter larger than the diameter of the conducting wire is fixedly arranged below the base, and the other end of the conducting wire passes through the conducting wire. 3 . The described catheter was passed out of the oven.

3. The workpiece positioning detection device according to claim 1, wherein the response unit is a proximity switch, the response unit is fixedly arranged on the outside of the oven, and the reset piece is arranged on the below and close to the response unit.

4 . The workpiece positioning detection device according to claim 1 , wherein the response component further comprises a fixed seat, and the reset member is movably arranged on the Below the fixed seat, the upper end surface of the reset piece is fixedly provided with a limit post, the limit position passes through the fixed seat, and a reset is provided between the reset piece and the fixed seat A spring, the return spring is sleeved on the outer side of the limit post.

5 . The workpiece positioning detection device according to claim 4 , wherein the response unit is fixed with the fixed seat and is located between the fixed seat and the reset piece, and the reset The upper end face of the piece is integrally fixed with a blocking piece, and the blocking piece is close to the response unit.

6 . The workpiece positioning detection device according to claim 1 , wherein the conductive wire is made of heat-resistant metal. 7 .

7 . The workpiece positioning detection device according to claim 2 , wherein the conduit is a metal conduit. 8 .

8. The workpiece positioning detection device according to claim 2, wherein the base is fixedly arranged on the upper end face of the bottom of the oven, the bottom of the oven is provided with a conveyor belt, and the hinged One end of the block is higher than the upper end surface of the conveyor belt, and the other end of the hinge block is lower than the upper end surface of the conveyor belt.

9 . The workpiece positioning detection device according to claim 8 , wherein the response unit is fixedly arranged on the outer surface of the oven, and the other end of the conduit is fixed with the side wall of the oven. 10 . , and the conducting wire goes out of the oven through the conduit.

10 . The workpiece positioning detection device according to claim 1 , wherein one end of the hinge block is rotatably provided with a roller. 11 .