CN211120657U - Vertical vacuum furnace top furnace door lifting mechanism - Google Patents
Vertical vacuum furnace top furnace door lifting mechanism Download PDFInfo
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- CN211120657U CN211120657U CN201921693880.XU CN201921693880U CN211120657U CN 211120657 U CN211120657 U CN 211120657U CN 201921693880 U CN201921693880 U CN 201921693880U CN 211120657 U CN211120657 U CN 211120657U
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Abstract
The utility model relates to an electric power protective equipment specifically is a vertical vacuum furnace roof furnace gate elevating system, including rocking arm, cylinder, pivot and fixing base, the rocking arm is including stretching out the wall and changeing the cover, stretches out the wall connection and changes the cover side, and the fixing base is connected in the furnace body side, and pivot one end is connected in the fixing base, and the pivot other end is connected and is being changeed the cover in rotating, stretches out the wall and establishes in a furnace gate top, and the cylinder is connected in stretching out the wall upper end, and the piston rod of cylinder is connected at a furnace gate center. The lifting of the top furnace door is realized by using the cylinder, a transmission mechanism and additional equipment such as a motor are not needed, the structure is simple, and the use is convenient and quick; when the top furnace door is rotated, the guide post and the guide sleeve prevent the top furnace door from rotating or swinging automatically, the rotating arm rotates flexibly on the rotating shaft, the top furnace door can be easily rotated by manpower, and the use is time-saving and labor-saving; the utility model discloses rotate in a flexible way, easy operation, the safety and stability satisfies the high efficiency in the vertical vacuum furnace production process and gets, put the needs of work piece.
Description
Technical Field
The utility model relates to a vacuum furnace technical field specifically is a vertical vacuum furnace roof furnace gate elevating system.
Background
The vertical vacuum furnace is one kind of vacuum furnace and is one heating apparatus for sintering ceramic, smelting refractory metal material, annealing, etc.
When the vertical vacuum furnace is used for placing and taking the workpiece, the upper furnace door needs to be lifted and rotated, and after the workpiece is placed and taken, the upper furnace door is rotated and lowered.
When the vertical vacuum furnace in the prior art is used for opening the top furnace door, the furnace door needs to be lifted manually, the swinging of the top furnace door needs to be controlled in the process of lifting the top furnace door, the top furnace door needs to be rotated to a specified position, the top furnace door needs to be controlled not to rotate continuously when the top furnace door is rotated to the specified position, the series of movement operations are troublesome and labor-consuming, and sometimes, the vertical vacuum furnace needs to be matched with hoisting equipment for use, so that the use efficiency is influenced.
The patent number is CN201821403677.X, the utility model patent with the patent name of a vertical vacuum furnace discloses a vertical vacuum furnace, wherein a top furnace door is opened by adopting a speed reduction motor to drive a screw rod to rotate so as to realize the opening mode of the top furnace door, but when the vertical vacuum furnace is used in a limited use scene of a production field, the space required for installing the speed reduction motor is also required to be considered, and the use is not very convenient; in addition, the speed reduction motor is utilized to drive the screw rod to rotate, so that the top furnace door is driven to lift by the lifting of the mechanism related to the side surface of the furnace body, the furnace door can deflect in the lifting process, and the normal use of the equipment is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical vacuum furnace top furnace gate elevating system utilizes the cylinder to promote a furnace gate, labour saving and time saving rotates in a flexible way, easy operation, and the demand of work piece is got, put to the high efficiency in satisfying vertical vacuum furnace production process.
In order to solve the technical problem, the utility model relates to a vertical vacuum furnace top furnace gate elevating system, including rocking arm, cylinder, pivot and fixing base, the rocking arm is including stretching out the wall and changeing the cover, stretches out the wall connection and changes the cover side, and the fixing base is connected to the furnace body side, and pivot one end is connected in the fixing base, and the pivot other end is connected and is connected to change the cover in rotating, stretches out the wall and establishes in a furnace gate top, and the cylinder is connected in stretching out the wall upper end, and the piston rod of cylinder is connected at a furnace gate center. The lifting of the top furnace door is realized by utilizing the cylinder, a complex transmission mechanism is not needed, and additional equipment such as a motor is not needed. After the top furnace door is lifted, the rotating arm is manually rotated, and then the top furnace door can be rotated to a specified position.
Further, be connected with the adapter sleeve on pushing up the furnace gate, the adapter sleeve is connected at a furnace gate center, the cylinder piston rod on threaded connection have a cylinder connection, cylinder joint connects in, in the adapter sleeve, is equipped with the spread groove on the cylinder connection, the spread groove in-connection has to insert, still is connected with gland II on the adapter sleeve, gland II is equipped with the centre bore, cylinder joint connects in gland II's centre bore, gland II blocks and inserts. The connecting sleeve can be directly welded on the top furnace door; or opening a hole in the center of the top furnace door, inserting the connecting sleeve into the hole in the center of the top furnace door, and then welding to ensure the air tightness. Insert and withstand gland II when promoting the top furnace gate, gland II passes through bolt and nut with the adapter sleeve to be connected, and gland II drives the adapter sleeve and the promotion of top furnace gate.
Furthermore, a butterfly spring and a pressing block are connected in the connecting sleeve, the butterfly spring is connected between the cylinder joint and the connecting sleeve, and the pressing block is connected between the butterfly spring and the cylinder joint. When the top furnace door is closed, the belleville spring can play a role in buffering, meanwhile, the top furnace door is tightly pressed on the furnace body through the belleville spring, and when the vacuum furnace is pumped, the top furnace door and the furnace body can be used without fastening by using fastening devices such as bolts and nuts.
Furthermore, a jackscrew is also arranged on the cylinder joint, the jackscrew is in threaded connection with the side wall of the cylinder joint, and the jackscrew tightly jacks a piston rod of the cylinder; the butterfly springs are arranged in the connecting sleeve in a plurality. The jackscrew prevents that the piston rod of cylinder and cylinder joint are not hard up.
Furthermore, the extending wall is connected with a guide sleeve, the guide sleeve is connected to the side face of the extending wall, the top furnace door is connected with a guide column, and the guide column is connected in the guide sleeve in a sliding mode. When the top furnace door is lifted, the guide post slides in the guide sleeve, and when the top furnace door is rotated, the guide post and the guide sleeve prevent the top furnace door from rotating or swinging automatically, so that the use stability is ensured.
Furthermore, the guide sleeves are two, the two guide sleeves are respectively arranged on two sides of the extending wall, the two guide columns are arranged on the top furnace door, and the two guide columns are connected in the two guide sleeves in a sliding mode. The arrangement of the two guide posts and the two guide sleeves further ensures that the top furnace door cannot rotate or swing automatically.
Furthermore, two bearings I are arranged between the rotating sleeve and the rotating shaft, the two bearings I are respectively connected to two ends of the rotating sleeve, a shaft sleeve and a sleeve are arranged between the two bearings I, and the sleeve is connected in the shaft sleeve; the rotating shaft is also connected with a bearing II, the bearing II is connected below the bearing I at the lower end of the rotating sleeve, and a compression ring is arranged between the bearing II and the bearing I at the lower end of the rotating sleeve; the upper end of the rotating sleeve is further connected with a gland I, the bearing I is a deep groove ball bearing, and the bearing II is a thrust ball bearing. Bearing I and bearing II set up, and the setting of axle sleeve, sleeve and clamping ring, make the rocking arm rotate in the pivot in a flexible way, rely on the manpower can easily rotate a furnace gate, use labour saving and time saving.
Further, commentaries on classics cover bottom be connected with stopper I, stopper I is connected in changeing the cover side, the fixing base top be connected with stopper II, stopper II is connected in the fixing base side, stopper II is equipped with two, stopper I is established between two stoppers II. When the rotary top furnace door is in place, the limiting block I contacts the limiting block II, and the rotating arm stops rotating; two II stoppers are one to opening of top furnace gate and are carried on spacingly, and another is spacing to closing of top furnace gate, and in the manufacturing process, stopper I and II onsite weldings of stopper or the assembly of joining in marriage to guarantee spacing accuracy.
Furthermore, the side surface of the furnace body is provided with a connecting seat, and the fixing seat is connected to the connecting seat, so that the structure is compact, and the overall occupied space is effectively reduced. The side wall of the fixed seat is also in threaded connection with a locking screw which locks the rotating shaft; the locking screw is provided with at least one.
Furthermore, the lower end of the fixed seat is also provided with a supporting column. The supporting function of the supporting column body enables the rotation of the top furnace door to be more stable and reliable.
The utility model has the advantages that:
1. the lifting of the top furnace door is realized by the air cylinder, a complex transmission mechanism is not needed, and additional equipment such as a motor is not needed, so that the structure is simple, and the use is convenient and quick;
2. the guide post and the guide sleeve are arranged, when the top furnace door is rotated, the top furnace door is prevented from rotating or swinging automatically by the guide post and the guide sleeve, and the use stability is ensured;
3. the rotary shaft is provided with the bearing I, the bearing II, the shaft sleeve, the sleeve and the compression ring, so that the rotary arm can flexibly rotate on the rotary shaft, the top furnace door can be easily rotated by manpower, and the use is time-saving and labor-saving;
4. the top furnace door is provided with a limiting block I and a limiting block II, and the top furnace door can be stopped at a designated position in the rotating process of the top furnace door.
Drawings
Fig. 1 is a sectional view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is an enlarged view of a portion I of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of a portion II of FIG. 1 according to the present invention;
fig. 5 is an enlarged view of a portion iii of fig. 1 according to the present invention;
fig. 6 is a sectional view taken along line a-a of fig. 1 according to the present invention.
In the figure: 1. a rotating arm; 101. the wall is extended; 102. rotating the sleeve; 103. a limiting block I; 2. a cylinder; 3. a rotating shaft; 4. a fixed seat; 401. a limiting block II; 5. a connecting seat; 6. a support pillar; 7. a guide sleeve; 8. a guide post; 9. a bearing I; 10. a gland I; 11. a shaft sleeve; 12. a sleeve; 13. a bearing II; 14. pressing a ring; 15. connecting sleeves; 16. a belleville spring; 17. briquetting; 18. a gland II; 19. a cylinder joint; 1901. connecting grooves; 20. carrying out top thread; 21. an insert; 22. and locking the screw.
Detailed Description
As shown in fig. 1 and 2, the utility model relates to a vertical vacuum furnace top furnace gate elevating system, including rocking arm 1, cylinder 2, pivot 3 and fixing base 4, rocking arm 1 is including stretching out wall 101 and commentaries on classics cover 102, stretch out wall 101 and connect in commentaries on classics cover 102 side, fixing base 4 is connected in the furnace body side, 3 one ends of pivot are connected in fixing base 4, the 3 other ends of pivot are connected and are rotated the connection on commentaries on classics cover 102, it establishes in a furnace gate top to stretch out wall 101, cylinder 2 is connected in stretching out wall 101 upper end, the piston rod of cylinder 2 is connected at a furnace gate center. The side surface of the furnace body is provided with a connecting seat 5, the fixed seat 4 is connected on the connecting seat 5, the side wall of the fixed seat 4 is also in threaded connection with a locking screw 22, and the locking screw 22 locks the rotating shaft 3; the locking screws 22 are provided with at least two. The lower end of the fixed seat 4 is also provided with a support column 6. The furnace door lifting device is characterized in that the extending wall 101 is connected with a guide sleeve 7, the guide sleeve 7 is connected to the side face of the extending wall 101, a top furnace door is connected with a guide column 8, and the guide column 8 is connected in the guide sleeve 7 in a sliding mode. The two guide sleeves 7 are arranged, the two guide sleeves 7 are respectively arranged on two sides of the extending wall 101, the two guide columns 8 are arranged on the top furnace door, and the two guide columns 8 are connected in the two guide sleeves 7 in a sliding mode.
As shown in fig. 5, a connecting sleeve 15 is connected to the top oven door, the connecting sleeve 15 is connected to the center of the top oven door, a piston rod of the cylinder 2 is connected with a cylinder joint 19 in a threaded manner, the cylinder joint 19 is connected to the inside of the connecting sleeve 15, a connecting groove 1901 is formed in the cylinder joint 19, an insert 21 is connected to the inside of the connecting groove 1901, a gland ii 18 is further connected to the connecting sleeve 15, the gland ii 18 is provided with a center hole, the cylinder joint 19 is connected to the center hole of the gland ii 18, and the gland ii 18. The connecting sleeve 15 is also internally connected with a butterfly spring 16 and a pressing block 17, the butterfly spring 16 is connected between the cylinder joint 19 and the connecting sleeve 15, and the pressing block 17 is connected between the butterfly spring 16 and the cylinder joint 19. The cylinder joint 19 is also provided with a jackscrew 20, the jackscrew 20 is in threaded connection with the side wall of the cylinder joint 19, and the jackscrew 20 tightly props against a piston rod of the cylinder 2; two belleville springs 16 are arranged in the connecting sleeve 15.
As shown in fig. 3 and 4, two bearings i 9 are arranged between the rotating sleeve 102 and the rotating shaft 3, the two bearings i 9 are respectively connected to two ends of the rotating sleeve 102, a shaft sleeve 11 and a sleeve 12 are arranged between the two bearings i 9, and the sleeve 12 is connected in the shaft sleeve 11; the rotating shaft 3 is also connected with a bearing II 13, the bearing II 13 is connected below a bearing I9 at the lower end of the rotating sleeve 102, and a pressing ring 14 is arranged between the bearing II 13 and the bearing I9 at the lower end of the rotating sleeve 102; the upper end of the rotating sleeve 102 is further connected with a gland I10, the bearing I9 is a deep groove ball bearing, and the bearing II 13 is a thrust ball bearing.
As shown in fig. 6, the bottom of the rotary sleeve 102 is connected with a limiting block I103, the limiting block I103 is connected to the side of the rotary sleeve 102, the top of the fixing seat 4 is connected with a limiting block II 401, the limiting block II 401 is connected to the side of the fixing seat 4, the limiting blocks II 401 are provided with two limiting blocks, and the limiting block I103 is arranged between the two limiting blocks II 401.
The utility model discloses utilize 2 lifts that realize a furnace gate of cylinder, need not complicated drive mechanism, also need not extra equipment such as motor. After the top furnace door is lifted, the rotating arm 1 is manually rotated, and the top furnace door can be rotated to a specified position. The connecting sleeve 15 can be directly welded on the top furnace door; or opening a hole in the center of the top furnace door, inserting the connecting sleeve into the hole in the center of the top furnace door, and then welding to ensure the air tightness. When the top furnace door is lifted, the insert 21 props against the gland II 18, the gland II 18 is connected with the connecting sleeve 15 through bolts and nuts, and the gland II 18 drives the connecting sleeve 15 and the top furnace door to be lifted. When the top furnace door is closed, the belleville spring 16 can play a role in buffering, meanwhile, the top furnace door is tightly pressed on the furnace body through the belleville spring 16, and when the vacuum furnace is vacuumized, the top furnace door and the furnace body can be used without fastening devices such as bolts and nuts. The jackscrew 20 prevents the piston rod of the cylinder 2 from loosening from the cylinder head 19. When the top furnace door is lifted, the guide column 8 slides in the guide sleeve 7, and when the top furnace door is rotated, the guide column 8 and the guide sleeve 7 prevent the top furnace door from rotating or swinging automatically, so that the use stability is ensured. The setting of bearing I9 and bearing II 13, and the setting of axle sleeve 11, sleeve 12 and clamping ring 14 make rocking arm 1 rotate in the pivot 3 in a flexible way, rely on the manpower can easily rotate a furnace gate, use labour saving and time saving. Two stopper II 401 one is spacing to opening of top furnace door, and another is spacing to closing of top furnace door, and in the equipment manufacture process, stopper I103 and stopper II 401 join in marriage the welding or join in marriage the equipment at the scene to guarantee spacing accuracy. The utility model discloses rotate in a flexible way, easy operation, the safety and stability satisfies the high efficiency in the vertical vacuum furnace production process and gets, put the needs of work piece.
Claims (10)
1. The utility model provides a vertical vacuum furnace roof furnace gate elevating system which characterized in that: including rocking arm (1), cylinder (2), pivot (3) and fixing base (4), rocking arm (1) is including stretching out wall (101) and commentaries on classics cover (102), stretch out wall (101) and connect in commentaries on classics cover (102) side, fixing base (4) are connected in the furnace body side, pivot (3) one end is connected in fixing base (4), pivot (3) other end is connected and is being rotated and connect on commentaries on classics cover (102), it establishes in a furnace gate top to stretch out wall (101), cylinder (2) are connected and are being stretched out wall (101) upper end, the piston rod of cylinder (2) is connected at a furnace gate center.
2. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 1, characterized in that: be connected with adapter sleeve (15) on the top furnace gate, adapter sleeve (15) are connected at top furnace gate center, cylinder (2) piston rod on threaded connection have cylinder joint (19), cylinder joint (19) are connected, in adapter sleeve (15), be equipped with spread groove (1901) on cylinder joint (19), spread groove (1901) in-connection has insert (21), still be connected with gland II (18) on adapter sleeve (15), gland II (18) are equipped with the centre bore, cylinder joint (19) are connected in the centre bore of gland II (18), gland II (18) block insert (21).
3. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 2, characterized in that: the connecting sleeve (15) is internally connected with a belleville spring (16) and a pressing block (17), the belleville spring (16) is connected between the cylinder joint (19) and the connecting sleeve (15), and the pressing block (17) is connected between the belleville spring (16) and the cylinder joint (19).
4. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 3, characterized in that: the air cylinder connector (19) is also provided with a jackscrew (20), the jackscrew (20) is in threaded connection with the side wall of the air cylinder connector (19), and the jackscrew (20) tightly props against a piston rod of the air cylinder (2); the butterfly springs (16) are arranged in the connecting sleeve (15).
5. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 3, characterized in that: the furnace door lifting device is characterized in that the extending wall (101) is connected with a guide sleeve (7), the guide sleeve (7) is connected to the side surface of the extending wall (101), the top furnace door is connected with a guide column (8), and the guide column (8) is connected in the guide sleeve (7) in a sliding mode.
6. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 5, characterized in that: the guide sleeves (7) are two, the two guide sleeves (7) are respectively arranged on two sides of the extending wall (101), the two guide columns (8) are arranged on the top furnace door, and the two guide columns (8) are connected in the two guide sleeves (7) in a sliding mode.
7. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 1, characterized in that: a bearing I (9) is arranged between the rotating sleeve (102) and the rotating shaft (3), two bearings I (9) are arranged, the two bearings I (9) are respectively connected to two ends of the rotating sleeve (102), a shaft sleeve (11) and a sleeve (12) are arranged between the two bearings I (9), and the sleeve (12) is connected in the shaft sleeve (11); the rotating shaft (3) is also connected with a bearing II (13), the bearing II (13) is connected below the bearing I (9) at the lower end of the rotating sleeve (102), and a pressing ring (14) is arranged between the bearing II (13) and the bearing I (9) at the lower end of the rotating sleeve (102); the upper end of the rotating sleeve (102) is also connected with a gland I (10), the bearing I (9) is a deep groove ball bearing, and the bearing II (13) is a thrust ball bearing.
8. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 1, characterized in that: commentaries on classics cover (102) bottom be connected with stopper I (103), stopper I (103) are connected in commentaries on classics cover (102) side, fixing base (4) top be connected with stopper II (401), stopper II (401) are connected in fixing base (4) side, stopper II (401) are equipped with two, stopper I (103) are established between two stopper II (401).
9. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 1, characterized in that: a connecting seat (5) is arranged on the side surface of the furnace body, the fixed seat (4) is connected to the connecting seat (5), a locking screw (22) is further in threaded connection with the side wall of the fixed seat (4), and the rotating shaft (3) is locked by the locking screw (22); at least one locking screw (22) is provided.
10. The furnace door lifting mechanism of the vertical vacuum furnace top according to claim 9, characterized in that: the lower end of the fixed seat (4) is also provided with a support column (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693880.XU CN211120657U (en) | 2019-10-11 | 2019-10-11 | Vertical vacuum furnace top furnace door lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693880.XU CN211120657U (en) | 2019-10-11 | 2019-10-11 | Vertical vacuum furnace top furnace door lifting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211120657U true CN211120657U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921693880.XU Active CN211120657U (en) | 2019-10-11 | 2019-10-11 | Vertical vacuum furnace top furnace door lifting mechanism |
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| CN (1) | CN211120657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105682A (en) * | 2021-11-26 | 2022-03-01 | 中钢热能金灿新能源科技(湖州)有限公司 | Improved method and device for prolonging service life of graphite crucible |
-
2019
- 2019-10-11 CN CN201921693880.XU patent/CN211120657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105682A (en) * | 2021-11-26 | 2022-03-01 | 中钢热能金灿新能源科技(湖州)有限公司 | Improved method and device for prolonging service life of graphite crucible |
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