CN212179555U - Heating furnace bottom positioning device - Google Patents
Heating furnace bottom positioning device Download PDFInfo
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- CN212179555U CN212179555U CN202020705128.9U CN202020705128U CN212179555U CN 212179555 U CN212179555 U CN 212179555U CN 202020705128 U CN202020705128 U CN 202020705128U CN 212179555 U CN212179555 U CN 212179555U
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Abstract
The utility model relates to the field of heating furnace parts, in particular to a heating furnace bottom positioning device, which comprises an outer cover contacted with the outer side surface of a furnace plate; an encoder is connected to the housing. The utility model discloses a positioner's setting can be used with photoelectric rod location fit, uses the dual detection means to guarantee that stove bottom chassis turned angle accords with the settlement requirement, has the function that detects each other simultaneously between the two, makes things convenient for the calibration in the in-service use process.
Description
Technical Field
The utility model relates to a heating furnace spare part field is a heating furnace stove bottom positioner particularly.
Background
Along with the rapid development of the high-speed railway era in China, the safety requirement of train wheels gets social attention more and more, the quality requirement of the wheels is higher and higher, in order to achieve the traceability of each wheel, a single piece is arranged on the production line of the train wheels for tracking, the quality requirement of each wheel is very strict, for the train wheels, the important point is the temperature uniformity in the heating process, the current wheel heating furnace is a ring-shaped heating furnace, the wheels are charged from a feeding hole by an automatic mechanical arm, the whole hearth is divided into N angles, 3 wheels are arranged inside and outside each angle, after one angle is finished, the positioning device of the photoelectric rod at the bottom of the furnace is controlled, the whole furnace rotates by one angle, the second angle is arranged after the furnace is stopped, due to the positioning error of the photoelectric rod, the position deviation occurs when the furnace runs for one circle to the door of a discharging furnace, the automatic mechanical arm is, the production quality and the like are affected to a certain extent, the wheel production efficiency is low, the labor intensity of workers is high, and in order to change the situation, a wheel heating furnace bottom positioning device needs to be designed, so that the problems are solved in a key way.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a positioning device for the rotary positioning of the furnace bottom of a heating furnace.
In order to realize the purpose, the utility model discloses a technical scheme be:
a heating furnace bottom positioning device comprises an outer cover contacted with the outer side surface of a furnace disc; an encoder is connected to the housing.
The outer cover is connected with the encoder through an upper base, the upper base comprises a lower base plate, and a connecting sleeve is arranged on the lower base plate; the connecting sleeve is connected with the outer cover.
The upper base is connected with the encoder through a connecting block; the connecting block is provided with a connecting hole for connecting the rotary shaft of the encoder; the connecting block is fixedly connected with the upper base.
The outer cover is connected with the connecting sleeve through a first buffering part; the first buffer part comprises a positioning rod arranged on the connecting sleeve and a positioning sleeve arranged on the inner wall of the outer cover; one end of the positioning rod is inserted into the positioning sleeve.
A first buffer spring is arranged inside the positioning sleeve; the end part of the first buffer spring is connected with the end part of the positioning rod.
The outer cover and the lower bottom plate are arranged at intervals; and a protective layer is arranged on the outer side of the outer cover.
The encoder is connected with a second buffer component; the second buffer part comprises a buffer frame connected with the encoder, and the buffer frame is connected with a supporting bottom plate.
The buffer frame can move transversely on the supporting bottom plate; the buffer frame is connected with the supporting bottom plate through the guide part;
the guide part comprises a connecting side plate arranged on the side edge of the supporting bottom plate, and a guide groove is formed in the connecting side plate; the side surface of the buffer frame is provided with a guide block, and the guide block is matched with the guide groove.
The end part of the supporting bottom plate is provided with an end plate, and two ends of the end part are connected with the connecting side plate; the buffer frame is connected with the end plate through the guide rod.
And a second buffer spring is arranged on the guide rod.
After the encoder rotates by a set angle, the encoder automatically corrects zero.
A use method of a heating furnace bottom positioning device comprises the following steps:
(1) assembling the positioning device on a workbench of the heating furnace, and attaching the outer cover to the outer side surface of the furnace disc;
(2) when the furnace plate rotates, an encoder in the positioning device receives a signal and transmits the signal to the controller; the controller carries out identification and judgment;
(3) the furnace plate continuously rotates, and the positioning device continuously identifies and judges.
The utility model has the advantages that:
the utility model provides a heating furnace bottom positioning device, which can accurately position the furnace bottom through the matching of an encoder and an outer cover, greatly improve the wheel production efficiency, reduce the labor intensity of workers, use the current mature linear encoder for encoding, adapt to the current furnace bottom production condition, ensure the reliable operation of the whole circle of furnace bottom, and better position the furnace bottom under the condition that a certain ellipse exists on the furnace bottom; the fault time of the positioning device of the annular heating furnace is reduced, and the product quality is ensured.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
The labels in the above figures are:
1. an encoder; 2. connecting blocks; 3. an upper base; 301. positioning a rod; 4. a housing; 401. a positioning sleeve; 5. a first buffer spring 1; 6. a rubber pad; 7. a furnace plate; 101. a buffer frame; 1011. guide rod 1012, guide block; 102. a second buffer spring; 103. a support base plate; 104. connecting the side plates; 1041. a guide groove; 105. and an end plate.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in further detail with reference to the accompanying drawings.
A heating furnace bottom positioning device comprises an outer cover 4 contacted with the outer side surface of a furnace disc 7; the outer cover 4 is connected with an encoder 1; the utility model provides a heating furnace bottom positioning device, which can accurately position the furnace bottom through the matching of an encoder 1 and an outer cover 4, greatly improve the production efficiency of wheels, reduce the labor intensity of workers, use the current mature linear encoder 1 for encoding, adapt to the current production condition of the furnace bottom, ensure the reliable operation of the whole circle of furnace bottom, and better position the furnace bottom under the condition that a certain ellipse exists on the furnace bottom; the fault time of the positioning device of the annular heating furnace is reduced, and the product quality is ensured.
Preferably, in the present invention, the outer cover 4 is connected to the encoder 1 through an upper base 3, the upper base 3 includes a lower base plate 31, and a connecting sleeve 32 is disposed on the lower base plate 31; the connecting sleeve 32 is connected with the outer cover 4; go up the setting of base 3, made things convenient for being connected of dustcoat 4 and encoder 1, lower plate 31 plays basic connection effect, convenient and follow-up connecting block 2 be connected, in addition as preferred, the utility model discloses be equipped with connecting sleeve 32 on the well lower plate 31, connecting sleeve 32 plays basic connection effect, and connecting sleeve 32 is connected with dustcoat 4, and 4 primary positions of dustcoat and the coaxial setting of connecting sleeve 32.
Preferably, in the present invention, the upper base 3 is connected to the encoder 1 through the connecting block 2; the connecting block 2 is provided with a connecting hole for connecting the rotating shaft of the encoder 1; the connecting block 2 is fixedly connected with the upper base 3; the setting of connecting block 2, the convenient base 3 of going up is connected with encoder 1, in addition the utility model discloses well connecting hole is in connecting block 2's central point and puts the department, is favorable to guaranteeing the stability and the dynamic balance of whole device, in addition, as bigger optimization, the utility model discloses well connecting block 2 is connected through the bolt in the edge with last between the base 3.
Preferably, in the present invention, the outer cover 4 is connected to the connecting sleeve 32 through a first buffer member; the first buffer member comprises a positioning rod 301 arranged on the connecting sleeve 32 and a positioning sleeve 401 arranged on the inner wall of the outer cover 4; one end of the positioning rod 301 is inserted into the positioning sleeve 401; the arrangement of the first buffer part is beneficial to ensuring that the influence of the transverse movement of the outer cover 4 on the position of the encoder 1 is reduced when the outer cover 4 and the connecting sleeve 32 move transversely; the assembly of the first buffer member with the outer cover 4 and the connecting sleeve 32 may be welding or the like.
Preferably, in the present invention, a first buffer spring 5 is disposed inside the positioning sleeve 401; the end part of the first buffer spring 5 is connected with the end part of the positioning rod 301; through the arrangement of the first buffer spring 5, the relative position stability of the outer cover 4 and the connecting sleeve 32 can be ensured; in addition, the first buffer spring 5 also has a self-returning function, namely the utility model discloses well first buffer spring 5's setting not only can avoid the interference problem of dustcoat 4 lateral shifting and connecting sleeve 32, can also guarantee dustcoat 4 and connecting sleeve 32 relative position's stability.
Preferably, the outer cover 4 and the lower bottom plate 31 are arranged at intervals in the utility model; a protective layer 6 is arranged on the outer side of the outer cover 4; the arrangement of the protective layer 6 can reduce the direct contact between the outer cover 4 and the furnace plate 7, because the outer cover 4 is generally made of rigid materials, and the damage of the outer cover 4 to the outer side surface of the furnace plate 7 can be reduced through the arrangement of the protective layer 6.
Preferably, the encoder 1 of the present invention is connected to a second buffer member; the second buffer part comprises a buffer frame 101 connected with the encoder 1, and the buffer frame 101 is connected with a supporting bottom plate 103; the buffer frame 101 plays a role in basic support, the buffer frame 101 is connected with the supporting bottom plate 103, the supporting bottom plate 103 is arranged on the workbench, and the supporting bottom plate 103 is fixedly connected with the workbench; the function of primary positioning is achieved; in addition, the matching mode of the supporting bottom plate 103 and the buffer frame 101 can be set according to requirements; a fixed connection mode can be adopted, and in order to have a better using effect, a movable connection mode can be adopted; in the present invention, the buffer frame 101 can move laterally on the supporting bottom plate 103; the buffer frame 101 is connected with the supporting bottom plate 103 through a guide part; through such setting, can be so that encoder 1 also can lateral shifting, when lateral shifting takes place for dustcoat 4, it is great when stove dish 7 warp, then can cause dustcoat 4 lateral shifting great, and dustcoat 4 lateral shifting is great, when driving base 3 and removing, probably drives encoder 1 and has lateral shifting's drive, the utility model discloses a setting of second buffer is used for avoiding when dustcoat 4 lateral shifting and encoder 1 within a definite time motion to interfere.
Preferably, the guide portion of the present invention includes a connecting side plate 104 disposed on the side of the supporting bottom plate 103, and the connecting side plate 104 is provided with a guide slot 1041; a guide block 1012 is arranged on the side surface of the buffer frame 101, and the guide block 1012 is matched with the guide slot 1041; through the arrangement of the guide slot 1041 and the guide block 1012, the connection between the buffer frame 101 and the connecting side plate 104 can be realized, and an auxiliary guiding function is also realized; preferably, the cross sections of the guide slot 1041 and the guide block 1012 are trapezoidal; with the arrangement, because the guide slot 1041 and the guide block 1012 of the trapezoid structure have a limiting function, the stability of the connection between the buffer frame 101 and the connecting side plate 104 can be ensured.
Preferably, in the present invention, an end plate 105 is disposed at an end portion of the supporting bottom plate 103, and both ends of the end portion are connected to the connecting side plate 104; the buffer frame 101 is connected with the end plate 105 through a guide rod 1011; the end plate 105 serves as a support; the installation of the guide rod 1011 is convenient, in addition, the guide rod 1011 is connected to the end plate 105, the guide rod 1011 is matched with the end plate 105, the guide rod 1011 also has a good guide effect, and the motion linearity of the buffer frame 101 is ensured; in addition, the provision of the guide rod 1011 facilitates the provision of the second buffer spring 102.
Preferably, in the present invention, the guide rod 1011 is provided with a second buffer spring 102; the second buffer spring 102 can not only buffer the external force received by the encoder 1, but also facilitate the reset of the encoder 1.
Preferably, in the utility model, after the encoder 1 rotates a set angle, the encoder 1 automatically corrects zero; with such an arrangement, it is possible to avoid accumulation of errors caused by continuous rotation of the encoder 1; the automatic zero calibration can be realized by programming, the encoder is connected with a controller, and the controller can adopt the existing PLC controller; the PLC controller realizes automatic zero calibration of the encoder.
In addition, the positioning device disclosed by the utility model is used in cooperation with the traditional furnace bottom photoelectric rod positioning device, and the photoelectric rod is needed to identify and position the rotation and positioning of the traditional furnace plate; here, the traditional furnace plate can also be used for carrying out the initial positioning of the furnace plate through a position sensor or an angle sensor; the positioning device disclosed by the utility model can be used in cooperation with a traditional photoelectric pole positioning device, and the positioning device and the traditional photoelectric pole positioning device have a mutual calibration function; since the utility model discloses a smooth pole positioning device and the utility model discloses a positioning device can both identify the rotating angle of the furnace plate; when in specific use:
when the positioning device disclosed by the utility model recognizes that the furnace plate rotates to the set position and the traditional photoelectric rod positioning device does not feed back a signal in place to the controller, the photoelectric rod positioning device and the positioning device disclosed by the utility model detect the deviation; whether the optical pole positioning device and the positioning device disclosed by the utility model are damaged or the furnace plate is deformed needs to be detected; on the contrary, when the photoelectric rod positioning device recognizes that the furnace plate rotates to the set position, and the positioning device of the utility model does not feed back the in-place signal at the moment, the photoelectric rod positioning device and the positioning device of the utility model detect the deviation; need detect optical pole positioner with the utility model discloses a positioner whether damages or the stove dish warp, maintains or changes as required.
In order to express the structure of the present invention more clearly, the following detailed discussion is made in conjunction with the embodiments:
the utility model discloses a positioning device, which comprises an encoder 1, a connecting block 2, an upper base 3, an outer cover 4 and a buffer frame 101; the middle part of the connecting block 2 is provided with a connecting hole, the connecting block 2 is directly connected with the shaft end of the encoder 1 through the connecting hole, no relative rotation is required between the connecting block 2 and the encoder 1, the outer ring of the connecting block 2 is provided with four blind holes, the blind holes are fixed on the upper base 3 and can be connected and fixed by bolts, and the outer cover 4 is arranged on the outer ring of the upper base 3; positioning rods 301, a first buffer spring 5 and positioning sleeves 401 are arranged between the upper base 3 and the outer cover 4, the positioning rods 301 are connected with the upper base 3, the positioning sleeves 401 are connected with the outer cover 4, and the number of the positioning rods 301 and the number of the positioning sleeves 401 are set according to actual needs; an upper layer and a lower layer can be respectively arranged as shown in the attached drawings, the positioning rod 301 is matched with the positioning sleeve 401 to prevent the positioning sleeve 401 and the upper base 3 from relatively rotating and generating errors for the record of the encoder 1, the first buffer spring 5 is arranged between the positioning rod 301 and the positioning sleeve 401, and the first buffer spring 5 can select proper parameters according to the specific offset on site; the outer cover 4 and the upper base 3 can be radially displaced and are not rigidly connected; the outer ring of the outer cover 4 is connected with a protective layer 6; the protective layer 6 can be a rubber pad, the protective layer 6 and the outer cover 4 adopt a detachable connection mode, and the rubber pad can be replaced at any time; the train wheel heating furnace bottom positioning device is in contact with a furnace plate 7 below the annular furnace through the rubber pad, certain extrusion with the rubber pad is ensured in the rotating process of the furnace bottom, and the furnace bottom positioning device is ensured to rotate along with the annular furnace; the lower body of the encoder 1 is attached to the buffer frame 101, one side of the buffer frame 101 is arc-shaped, the other side of the buffer frame 101 is provided with a protruding positioning rod 301, two side faces of the buffer frame 101 are provided with guide blocks 1012, the encoder 1 and the buffer frame 101 fall on the supporting bottom plate 103, the two buffer frames 101 are symmetrically arranged to fix the encoder 1, the guide blocks 1012 on the two sides of the buffer frame 101 are in rubber fit with the guide grooves 1041, the buffer frame 101 can move relative to the guide grooves 1041, the positioning rod 301 is sleeved with a second buffer spring 102, the outer side of the positioning rod 301 is provided with an end plate 105, and the end plate 105 is connected with the connecting side; the second buffer spring 102 is arranged between the buffer frame 101 and the support plate, and the upper end of the connecting side plate 104 is connected with the closing plate; the purpose is to ensure the sealing of the whole second buffer part; additionally, the utility model discloses well encoder 1 can follow guide way 1041 and take place the translation, can guarantee like this to contact completely with the stove bottom stove dish 7, even there is the skew, the device can adjust by oneself for with stove dish 7 contact is intact down, the device grope according to the operation conditions of stove bottom light pole at present, after stable to stove bottom rotation procedure carry out effective control, guarantee that whole stove bottom turned angle is fixed, the location is reliable.
As described above, the first buffer spring 5 and the second buffer spring 102 have a certain pre-tightening force; the stability of the whole device is ensured.
The outer ring of the outer cover 4 is connected with a rubber pad or a pad with certain elasticity and roughness; the friction can be achieved, and meanwhile, the replacement is convenient.
In the normal working process, the spring has certain pretightening force, and the outer cover 4 is ensured to be in complete contact with the lower furnace plate 7. Under the condition that the furnace bottom has an ellipse, the outer cover 4 can move along with the deviation of the contact position of the furnace bottom, so that the furnace bottom does not have relative sliding, and once the relative sliding occurs, the device can automatically alarm, and can automatically position according to the condition point position of the whole circle of the furnace bottom, thereby improving the control accuracy.
A use method of a heating furnace bottom positioning device comprises the following steps:
(1) assembling the positioning device on a workbench of the heating furnace, and attaching the outer cover 4 to the outer side surface of the furnace plate 7;
(2) when the furnace plate 7 rotates, the encoder 1 in the positioning device receives signals and transmits the signals to the controller;
the controller carries out identification and judgment;
(3) the furnace plate 7 continuously rotates, and the positioning device continuously identifies and judges.
Obviously the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial improvements made by the method concept and technical solution of the present invention are all within the protection scope of the present invention.
Claims (10)
1. A heating furnace bottom positioning device is characterized by comprising an outer cover contacted with the outer side surface of a furnace disc; an encoder is connected to the housing.
2. The heating furnace bottom positioning device of claim 1, wherein the outer cover is connected to the encoder through an upper base, the upper base comprises a lower base plate, and a connecting sleeve is arranged on the lower base plate; the connecting sleeve is connected with the outer cover.
3. The heating furnace bottom positioning device according to claim 2, wherein the upper base is connected with the encoder through a connecting block; the connecting block is provided with a connecting hole for connecting the rotary shaft of the encoder; the connecting block is fixedly connected with the upper base.
4. The heating furnace bottom positioning device according to claim 2, wherein the outer cover is connected to the connecting sleeve through a first buffer member; the first buffer part comprises a positioning rod arranged on the connecting sleeve and a positioning sleeve arranged on the inner wall of the outer cover; one end of the positioning rod is inserted into the positioning sleeve.
5. The heating furnace bottom positioning device according to claim 4, wherein a first buffer spring is arranged inside the positioning sleeve; the end part of the first buffer spring is connected with the end part of the positioning rod.
6. The heating furnace bottom positioning device of claim 2, wherein the outer cover and the lower bottom plate are arranged at intervals; and a protective layer is arranged on the outer side of the outer cover.
7. The heating furnace bottom positioning device according to claim 1, wherein a second buffer member is connected to the encoder; the second buffer part comprises a buffer frame connected with the encoder, and the buffer frame is connected with a supporting bottom plate.
8. The heating furnace bottom positioning device according to claim 7, wherein the buffer frame is capable of moving laterally on the support base plate; the buffer frame is connected with the supporting bottom plate through the guide part.
9. The heating furnace bottom positioning device according to claim 8, wherein the guide portion includes a connection side plate provided on a side of the support base plate, the connection side plate being provided with a guide groove; the side surface of the buffer frame is provided with a guide block, and the guide block is matched with the guide groove.
10. The heating furnace bottom positioning device according to claim 9, wherein an end plate is provided at an end portion of the support bottom plate, and both ends of the end portion are connected to the connecting side plate; the buffer frame is connected with the end plate through the guide rod; and a second buffer spring is arranged on the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020705128.9U CN212179555U (en) | 2020-04-30 | 2020-04-30 | Heating furnace bottom positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020705128.9U CN212179555U (en) | 2020-04-30 | 2020-04-30 | Heating furnace bottom positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212179555U true CN212179555U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020705128.9U Active CN212179555U (en) | 2020-04-30 | 2020-04-30 | Heating furnace bottom positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212179555U (en) |
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2020
- 2020-04-30 CN CN202020705128.9U patent/CN212179555U/en active Active
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