A kind of furnace door structure of glass tempering furnace of improvement
Technical field
This utility model relates to glass tempering furnace field, the furnace door structure of glass tempering furnace of a kind of improvement.
Background technology
nullOn the glass tempering furnace of currently available technology,As shown in Figure 1: after glass heats in annealing furnace,Come out of the stove arrival fire door near time,Door driving device action,Drive fire door drive axis,Thus drive the flap being fixed on power transmission shaft to rotate,The adjustable connecting-rod connected with flap pulls fire door,Fire door is at adjustable connecting-rod and promotes guide plate、Pin、Move by the guide groove direction promoting guide plate under the common effect of sliding sleeve,Oven door opening,After the glass heated is come out of the stove,Driving means opposite action makes fire door decline playback by guide groove,The heating of next stove glass is started after closing upper furnace door,But owing to the side of fire door is in stove,Long-term in the condition of high temperature,And other side is to being room temperature state to air,In the case of fire door internal-external temperature difference is bigger, fire door is easy to the distortion that deforms,Thus cause the bearing pin of the guiding being arranged on fire door both sides,Sliding sleeve walks movement,Because bearing pin and sliding sleeve are in the guide groove promoting guide plate at fire door two ends,Bearing pin,Sliding sleeve displacement directly results in this structure discontinuity in groove or stuck,Thus cause furnacing door lifting to have some setbacks or stuck phenomenon occurs.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and the furnace door structure of glass tempering furnace of a kind of a kind of improvement simple and reasonable for structure is provided, use this structure can avoid fire door because of in stove the outer temperature difference of stove cause slide assemblies deformation to make fire door occur lifting has some setbacks or stuck phenomenon occurs.
This utility model solves its technical problem and be the technical scheme is that
nullA kind of furnace door structure of glass tempering furnace of improvement,Including driving means、Link transmission structure and fire door,Fire door is arranged on the body of heater port of export,One end of link transmission structure is connected with the driving means being arranged on annealing furnace top,The other end of link transmission structure is connected on fire door,It is characterized in that: outside described fire door, integral type is extended with link plate,Central shaft and connecting shaft it is rotatably connected on link plate,Central shaft is fixedly connected on the top of outlet of still end,Connecting shaft constitutes hinged cooperation with the other end of link transmission structure,By driving means drive link drive mechanism,Link transmission structure is made to drive connecting shaft to promote or decline,Fire door is made to overturn around central shaft,Realize opening or closing of the body of heater port of export,The fire door that causes that the fire door using this structure avoids because fire door internal-external temperature difference is big distorts,And the furnacing door lifting produced has some setbacks or the stuck phenomenon do not opened occurs.
Described link transmission structure includes rocking bar, bearing block, power transmission shaft, flap and adjustable connecting-rod, adjustable connecting-rod one end is hingedly mounted on fire door by connecting shaft, the adjustable connecting-rod other end is articulated and connected with flap one end, the flap other end is fixedly mounted on the power transmission shaft that the body of heater port of export is provided above, power transmission shaft is arranged on the bearing block above body of heater along body of heater width, power transmission shaft is also installed with rocking bar, and the other end of rocking bar connects driving means.
Described adjustable connecting-rod includes two pitman shafts and Adjusting bolt Adjusting screw, two pitman shaft opposite ends are provided with and the thread of Adjusting bolt Adjusting screw threaded engagement, adjustable connecting-rod length is controlled by rotating Adjusting bolt Adjusting screw, it is easy to the adjustment of fire door folding scope needed for different glass thickness, make the glass tempering furnace scope of application wider, meanwhile, after the long-term folding of fire door uses, occur that oven door sealing lowers, Adjusting bolt Adjusting screw be can manually finely tune, production efficiency and maintenance difficulty improved.
Described driving means is cylinder or handle, it is also possible to other power modes substitute cylinder or handle apparatus.
Outside described fire door, integral type is extended with polylith link plate, polylith link plate is rotatably connected on same central shaft simultaneously, it is provided with multiple driving means and link transmission structure and polylith link plate corresponding matching on corresponding glass tempering furnace, each link transmission structure is connected with link plate by an independent connecting shaft, make fire door stress can realize synchronous on-off simultaneously, avoid fire door because of discontinuity, cause left and right fire door folding degree different, make safety glass collide with fire door when coming out of the stove, damage safety glass.
The outside of described fire door is provided with securing member, securing member runs through fire door inner chamber and extends fire door opening, the extending end of securing member is fixedly connected with the baffle plate that fire door width adapts, the inner side of baffle plate is equipped with heat-barrier material, baffle plate is made to be pressed on by heat-barrier material on fire door opening by tightening up securing member, it is possible to by fire door tight seal, when preventing annealing furnace from heating, heat scatters and disappears from fire door gap, affects glass tempering effect.
The beneficial effects of the utility model are:
The furnace door structure of glass tempering furnace of a kind of improvement of the present utility model, simple in construction, assembling is quick, avoiding the side of fire door in stove, for a long time in the condition of high temperature, and other side is to being room temperature state to air, in the case of fire door internal-external temperature difference is bigger, fire door is easy to the distortion that deforms, thus cause the guider being arranged on fire door both sides to walk movement, directly results in the fire door discontinuity in groove or stuck, thus cause furnacing door lifting to have some setbacks or stuck phenomenon occurs.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional approach.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is enlarged diagram at A in Fig. 2.
Fig. 4 is structural representation of the present utility model.
Fig. 5 is link transmission architecture schematic diagram of the present utility model.
Fig. 6 is utility model works schematic diagram.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings:
nullAs shown in Figures 2 to 5,A kind of furnace door structure of glass tempering furnace of improvement,Including driving means 1、Link transmission structure 2 and fire door 3,Fire door 3 is arranged on the body of heater port of export 4,One end of link transmission structure 2 is connected with driving 1 device being arranged on annealing furnace top,The other end of link transmission structure 2 is connected on fire door 3,It is characterized in that: outside described fire door 3, integral type is extended with link plate 5,Central shaft 501 and connecting shaft 502 it is rotatably connected on link plate 5,Central shaft 501 is fixedly connected on the top of the body of heater port of export 4,Connecting shaft 502 constitutes hinged cooperation with the other end of link transmission structure 2,By driving means 1 drive link drive mechanism 2,Link transmission structure 2 is made to drive connecting shaft 502 promote or decline,Fire door 3 is made to overturn around central shaft 501,Realize opening or closing of the body of heater port of export 4,The fire door 3 using this structure avoid fire door 3 internal-external temperature difference bigger in the case of fire door 3 be easy to the distortion that deforms,Cause fire door 3 to promote have some setbacks or stuck phenomenon occurs.
Described link transmission structure 2 includes rocking bar 6, bearing block 7, power transmission shaft 8, flap 9 and adjustable connecting-rod 10, adjustable connecting-rod 10 one end is hingedly mounted on fire door 3 by connecting shaft 502, adjustable connecting-rod 10 other end is articulated and connected with flap 9 one end, flap 9 other end is fixedly mounted on the power transmission shaft 8 that the body of heater port of export 4 is provided above, power transmission shaft 8 is arranged on the bearing block 7 above body of heater along body of heater width, power transmission shaft 8 is also installed with rocking bar 6, and the other end of rocking bar 6 connects driving means 1.
Described adjustable connecting-rod 10 includes two pitman shaft 10a and Adjusting bolt Adjusting screw 10b, two pitman shaft 10a opposite ends are provided with and the thread of Adjusting bolt Adjusting screw 10b threaded engagement, adjustable connecting-rod 10 length is controlled by rotating Adjusting bolt Adjusting screw 10b, it is easy to the adjustment of fire door folding scope needed for different glass thickness, make the glass tempering furnace scope of application wider, meanwhile, after the long-term folding of fire door 3 uses, occur that fire door 3 sealing lowers, Adjusting bolt Adjusting screw 10b be can manually finely tune, production efficiency and maintenance difficulty improved.
Described driving means 1 is cylinder or handle, it is also possible to other power modes substitute cylinder or handle apparatus.
Outside described fire door, integral type is extended with polylith link plate 5, polylith link plate 5 is rotatably connected on same central shaft 501 simultaneously, multiple driving means 1 and link transmission structure 2 and polylith link plate 5 corresponding matching it is provided with on corresponding glass tempering furnace, each link transmission structure 2 is connected with link plate 5 by an independent connecting shaft 502, make fire door 3 stress can realize synchronous on-off simultaneously, avoid fire door 3 because of discontinuity, cause left and right fire door 3 folding degree different, make safety glass collide with fire door 3 when coming out of the stove, damage safety glass.
The outside of described fire door 3 is provided with securing member 11, securing member 11 runs through fire door 3 inner chamber and extends fire door opening, the extending end of securing member 11 is fixedly connected with the baffle plate 12 that fire door 3 width adapts, the inner side of baffle plate 12 is equipped with heat-barrier material 13, baffle plate 12 is made to be pressed on fire door opening by heat-barrier material 13 by tightening up securing member 11, it is possible to by fire door 3 tight seal, when preventing annealing furnace from heating, heat scatters and disappears from fire door 3 gap, affects glass tempering effect.
When fire door is closed, as shown in Figure 2: the sliding bar of driving means 1 flexes outward, stretching process promotes rocking bar 6 rotating drive shaft 8, power transmission shaft 8 drives flap 9 to rotate down promotion adjustable connecting-rod 10, make adjustable connecting-rod 10 to bottom offset, promoting connecting shaft 502, last fire door 3 downwardly turns over around central shaft 501 thus hides the body of heater port of export 4.
During oven door opening, as shown in Figure 6: the sliding bar of driving means 1 shrinks to driving means 1 direction, rocking bar 6 is pulled during contraction, the power transmission shaft 8 rightabout when fire door 1 is closed is made to rotate, rotate and drive flap 9 up to rotate simultaneously, pulling adjustable connecting-rod 10 to shift up drive connecting shaft 502 during rotation, connecting shaft 503 promotes fire door 3, makes fire door 3 be flipped up to safety glass to come out of the stove from the body of heater port of export 4 around central shaft 501.
Particular embodiments described above, only this utility model preferred embodiment, the equivalent arrangements such as done according to this utility model claim, all should be technology of the present utility model and contained.