CN214747249U - Anti-clamping-stagnation self-closing heating furnace door structure - Google Patents
Anti-clamping-stagnation self-closing heating furnace door structure Download PDFInfo
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- CN214747249U CN214747249U CN202120137029.XU CN202120137029U CN214747249U CN 214747249 U CN214747249 U CN 214747249U CN 202120137029 U CN202120137029 U CN 202120137029U CN 214747249 U CN214747249 U CN 214747249U
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Abstract
A self-closing heating furnace door structure capable of preventing clamping stagnation comprises a door frame, a door, a chain, a lifting oil cylinder and a hydraulic station, wherein the door is vertically arranged on the inner side of the door frame; the portal is composed of an upright post, a cross beam, a guide pulley and a bracket, wherein the left side of the upright post is symmetrically and vertically arranged, and the cross beam is horizontally arranged at the upper part of the upright post; the utility model provides a technical scheme has reached good effect: the anti-clamping self-closing heating furnace door structure is arranged on the inner side of the door frame through the door frame, and the chain is driven to move through the upgrading oil cylinder, so that the up-and-down opening and closing of the furnace door are realized, and the clamping is avoided; and the guide shafts on the two sides of the furnace door move to the rear side through the guide grooves when the furnace door descends to the lower end of the upright post, so that the furnace door is well sealed with the front of the furnace body, the heat leakage of the heating furnace is avoided, and the integral heating efficiency is improved.
Description
Technical Field
The utility model relates to a firing equipment field, concretely relates to prevent jamming self-closing heating furnace gate structure.
Background
The heating furnace is a very important industrial device and is widely applied in the fields of experiments, tests, detection and the like, and the heating furnace is generally divided into a front opening type, an upper opening type and a lower lifting type; the furnace door of the front-opening type heating furnace is divided into a lifting type furnace door and a side-opening type furnace door according to the size of the heating furnace, the lifting type furnace door is usually used for a large-scale heating furnace, the furnace door of the existing heating furnace is lifted by a hoisting device, locking grooves on two sides are closed, but the closing effect is poor, heat leakage in the heating process of the heating furnace can be caused, the furnace door is easy to be clamped and blocked due to deflection when the furnace door is lifted in the using process, and the use is greatly influenced; therefore, a novel heating furnace door is needed to solve the problems of heat leakage and easy clamping stagnation caused by untight closing of the existing large heating furnace door after closing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent self-closing heating furnace gate structure of jamming for closed not tight heat leakage and the easy problem that takes place the jamming of causing of current large-scale heating furnace gate closure back is solved.
The purpose of the utility model is realized by adopting the following technical scheme:
a self-closing heating furnace door structure capable of preventing clamping stagnation comprises a door frame, a door, a chain, a lifting oil cylinder and a hydraulic station, wherein the door is vertically arranged on the inner side of the door frame; the portal frame is composed of upright columns, cross beams, guide pulleys and a bracket, wherein the left sides of the upright columns are symmetrically and vertically arranged, the cross beams are horizontally arranged at the upper parts of the upright columns, the left end parts of the cross beams are suspended, the guide pulleys are respectively arranged at the left ends and the middle parts of the upper parts and the lower parts of the cross beams, and the bracket is arranged at the lower part of the outer side of the upright column at the left side; the furnace body is characterized in that the stand column is a channel steel with an inward notch, guide grooves obliquely arranged towards the rear lower part are formed in the middle and the lower part of the back of the stand column, a vertical connecting plate is arranged at the rear end of each guide groove and fixedly connected with the front of the furnace body through bolts, an oblique supporting rod is arranged on the upper part of the rear side of the stand column, and the lower end of each supporting rod is connected with the two sides of the upper surface of the furnace body.
The furnace door is of a rectangular plate structure, the upper part and the lower part of the left side and the right side of the door frame are symmetrically provided with transverse guide shafts, the guide shafts are matched with inner grooves of upright posts on the two sides of the door frame, the middle part of the upper rear side of the furnace door is provided with a quadrangular conical heat insulation block, and the upper part of the furnace door is symmetrically provided with lifting lugs.
The bracket is a triangular structural frame, the upper surface of the bracket is horizontal, and the right side surface of the bracket is connected with the lower part of the outer side surface of the left upright post of the portal frame.
The lower end tailstock of the lifting oil cylinder is connected with the upper surface of a bracket outside the upright column on the left side of the door frame, a double-lug plate is arranged at the upper end of a mandril of the lifting oil cylinder, a chain wheel is arranged on the inner side of the double-lug plate, and the lifting oil cylinder is connected with an external hydraulic station through an oil pipe.
The middle part of the chain is meshed with a chain wheel at the upper end of the lifting oil cylinder, one end of the chain is connected with a lifting lug at the right side of the upper part of the furnace door by upward bypassing a guide pulley at the upper part of the beam, and one end of the chain is connected with the lifting lug at the right side of the upper part of the furnace door by upward bypassing a guide pulley at the lower part of the beam.
The distance between the upper part and the lower part of the guide shafts on the two sides of the oven door is consistent with the distance between the guide grooves on the back side of the upright post.
The utility model provides a technical scheme has reached good effect: the anti-clamping self-closing heating furnace door structure is arranged on the inner side of the door frame through the door frame, and the chain is driven to move through the upgrading oil cylinder, so that the up-and-down opening and closing of the furnace door are realized, and the clamping is avoided; and the guide shafts on the two sides of the furnace door move to the rear side through the guide grooves when the furnace door descends to the lower end of the upright post, so that the furnace door is well sealed with the front of the furnace body, the heat leakage of the heating furnace is avoided, and the integral heating efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of the present invention.
In the figure: 1. the furnace comprises a vertical column, 2, a guide groove, 3, a furnace door, 4, a bracket, 5, a lifting oil cylinder, 6, a hydraulic station, 7, a chain wheel, 8, a cross beam, 9, a guide pulley, 10, a chain, 11, a support rod, 12, a furnace body, 13, a guide shaft, 14 and a heat insulation block.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and the detailed description thereof:
the anti-clamping self-closing heating furnace door structure comprises a door frame, a furnace door 3, a chain 10, a lifting oil cylinder 5 and a hydraulic station 6, wherein the door frame is composed of an upright post 1, a cross beam 8, a guide pulley 9 and a bracket 4, the left side of the upright post 1 is symmetrically and vertically arranged, the upright post 1 is a channel steel with an inward notch, the middle part and the lower part of the rear surface of the upright post 1 are provided with guide grooves 2 which are obliquely arranged backwards and downwards, the rear end of each guide groove 2 is provided with a vertical connecting plate, the connecting plate is fixedly connected with the front surface of a furnace body 12 through bolts, the upper part of the rear side of the upright post 1 is provided with an oblique supporting rod 11, and the lower end of the supporting rod 11 is connected with the two sides of the upper surface of the furnace body 12; the crossbeam 8 is horizontally arranged at the upper part of the upright post 1, the left end head part of the crossbeam 8 is suspended, and the guide pulleys 9 are respectively arranged at the left end and the middle part of the upper part and the lower part of the crossbeam 8; the bracket 4 is arranged at the lower part of the outer side of the left upright post 1, the bracket 4 is a triangular structural frame, the upper surface of the bracket 4 is horizontal, and the right side surface of the bracket 4 is connected with the lower part of the outer side surface of the left upright post 1 of the portal frame;
the oven door 3 is vertically arranged on the inner side of the door frame, the oven door 3 is of a rectangular plate structure, the upper part and the lower part of the left side and the right side of the door frame are symmetrically provided with transverse guide shafts 13, the guide shafts 13 are matched with the inner grooves of the upright posts 1 on the two sides of the door frame, the middle part of the upper part of the rear side of the oven door 3 is provided with a quadrangular conical heat insulation block 14, and the upper part of the oven door 3 is symmetrically provided with lifting lugs; the distance between the upper part and the lower part of the guide shafts 13 at the two sides of the oven door 3 is consistent with the distance between the guide grooves 2 at the back side of the upright post 1; the lifting oil cylinder 5 is vertically and upwards arranged on the left side of the portal frame, a tail seat at the lower end of the lifting oil cylinder 5 is connected with the upper surface of a bracket 4 outside the upright post 1 on the left side of the portal frame, a double-lug plate is arranged at the upper end of a mandril of the lifting oil cylinder 5, a chain wheel 7 is arranged on the inner side of the double-lug plate, and the lifting oil cylinder 5 is connected with an external hydraulic station 6 through an oil pipe; the chain 10 is arranged at the upper part of the oven door 3, the middle part of the chain 10 is meshed with the chain wheel 7 at the upper end of the lifting oil cylinder 5, one end of the chain 10 upwards rounds the guide pulley 9 at the upper part of the beam 8 to be connected with the lifting lug at the right side of the upper part of the oven door 3, and one end of the chain 10 upwards rounds the guide pulley 9 at the lower part of the beam 8 to be connected with the lifting lug at the right side of the upper part of the oven door 3; the hydraulic station 6 is arranged on one side of the portal.
When the clamping stagnation prevention self-closing heating furnace door structure is used, when the furnace door 3 needs to be closed, the hydraulic station 6 controls the lifting oil cylinder 5 to enable the ejector rod of the lifting oil cylinder 5 to extend upwards, the chain 10 on the upper part of the ejector rod integrally moves upwards, the end head of the chain 10 pulls the furnace door 3 to move downwards and slowly, when the furnace door 3 descends to the position of the guide groove 2 on the rear side of the upright post 1, the furnace door 3 slides backwards and downwards into the guide groove 2 under the guide of the guide shaft 13, and the heat insulation block 14 on the rear side of the furnace door 3 is pushed into the furnace opening of the furnace body 12 to enable the furnace door 3 to be in contact with the front side of the furnace body 12, so that the closing of the furnace door 3 is completed; when the furnace door 3 needs to be opened, the hydraulic station 6 controls the ejector rod of the lifting oil cylinder 5 to move downwards, and the furnace door 3 is pulled upwards through the chain 10, so that the furnace door 3 is slowly opened; the closing and opening processes of the heating furnace door 3 are completed.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides a prevent jamming self-closing heating furnace gate structure, includes portal, furnace gate (3), chain (10), lift cylinder (5) and hydraulic pressure station (6), characterized by: the furnace door (3) is vertically arranged on the inner side of the door frame, the lifting oil cylinder (5) is vertically and upwards arranged on the left side of the door frame, the chain (10) is arranged on the upper part of the furnace door (3), and the hydraulic station (6) is arranged on one side of the door frame; the portal frame is composed of an upright post (1), a cross beam (8), guide pulleys (9) and a bracket (4), wherein the left side of the upright post (1) is symmetrically and vertically arranged, the cross beam (8) is horizontally arranged at the upper part of the upright post (1), the left end part of the cross beam (8) is suspended, the guide pulleys (9) are respectively arranged at the left end and the middle part of the upper part and the lower part of the cross beam (8), and the bracket (4) is arranged at the lower part of the outer side of the upright post (1) on the left side; the furnace body is characterized in that the upright post (1) is a channel steel with an inward notch, guide grooves (2) which are obliquely arranged towards the rear lower part are formed in the middle and the lower part of the back of the upright post (1), a vertical connecting plate is arranged at the rear end of each guide groove (2), the connecting plate is fixedly connected with the front of the furnace body through bolts, an oblique supporting rod (11) is arranged on the upper part of the back side of the upright post (1), and the lower end of each supporting rod (11) is connected with the two sides of the upper surface of the furnace body.
2. The furnace door structure of the self-closing heating furnace capable of preventing the clamping stagnation according to claim 1, which is characterized in that: the oven door (3) is of a rectangular plate structure, transverse guide shafts (12) are symmetrically arranged on the upper portion and the lower portion of the left side and the right side of the door frame, the guide shafts (12) are installed in a matched mode with inner grooves of upright columns (1) on the two sides of the door frame, a quadrangular conical heat insulation block (14) is arranged in the middle of the upper portion of the rear side face of the oven door (3), and lifting lugs are symmetrically arranged on the upper portion of the oven door (3).
3. The furnace door structure of the self-closing heating furnace capable of preventing the clamping stagnation according to claim 1, which is characterized in that: the bracket (4) is a triangular structure frame, the upper surface of the bracket (4) is horizontal, and the right side surface of the bracket (4) is connected with the lower part of the outer side surface of the left upright post (1) of the portal frame.
4. The furnace door structure of the self-closing heating furnace capable of preventing the clamping stagnation according to claim 1, which is characterized in that: the lower end tailstock of the lifting oil cylinder (5) is connected with the upper surface of a bracket (4) outside the upright column (1) on the left side of the door frame, a double-lug plate is arranged at the upper end of a mandril of the lifting oil cylinder (5), a chain wheel (7) is arranged on the inner side of the double-lug plate, and the lifting oil cylinder (5) is connected with an external hydraulic station (6) through an oil pipe.
5. The furnace door structure of the self-closing heating furnace capable of preventing the clamping stagnation according to claim 1, which is characterized in that: the middle part of the chain (10) is meshed with a chain wheel (7) at the upper end of the lifting oil cylinder (5), one end of the chain (10) upwards rounds a guide pulley (9) at the upper part of the cross beam (8) to be connected with a lifting lug at the right side of the upper part of the oven door (3), and one end of the chain (10) upwards rounds a guide pulley (9) at the lower part of the cross beam (8) to be connected with the lifting lug at the right side of the upper part of the oven door (3).
6. The furnace door structure of the self-closing heating furnace capable of preventing the clamping stagnation as claimed in claim 2, wherein: the distance between the upper part and the lower part of the guide shafts (12) at the two sides of the oven door (3) is consistent with the distance between the guide grooves (2) at the back of the upright post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120137029.XU CN214747249U (en) | 2021-01-19 | 2021-01-19 | Anti-clamping-stagnation self-closing heating furnace door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120137029.XU CN214747249U (en) | 2021-01-19 | 2021-01-19 | Anti-clamping-stagnation self-closing heating furnace door structure |
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| CN214747249U true CN214747249U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120137029.XU Active CN214747249U (en) | 2021-01-19 | 2021-01-19 | Anti-clamping-stagnation self-closing heating furnace door structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233158A (en) * | 2021-11-30 | 2022-03-25 | 北京航星机器制造有限公司 | Front heat-preservation door mechanism of thermoforming machine and opening and closing method |
-
2021
- 2021-01-19 CN CN202120137029.XU patent/CN214747249U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233158A (en) * | 2021-11-30 | 2022-03-25 | 北京航星机器制造有限公司 | Front heat-preservation door mechanism of thermoforming machine and opening and closing method |
| CN114233158B (en) * | 2021-11-30 | 2024-01-09 | 北京航星机器制造有限公司 | Thermoforming machine |
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