CN220992713U - Improved shaft sleeve for screw press - Google Patents
Improved shaft sleeve for screw press Download PDFInfo
- Publication number
- CN220992713U CN220992713U CN202322524205.7U CN202322524205U CN220992713U CN 220992713 U CN220992713 U CN 220992713U CN 202322524205 U CN202322524205 U CN 202322524205U CN 220992713 U CN220992713 U CN 220992713U
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- screw
- friction disc
- bolt
- shaft sleeve
- nut
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- 239000004677 Nylon Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 229920001778 nylon Polymers 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000005242 forging Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910000677 High-carbon steel Inorganic materials 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Bolts, Nuts, And Washers (AREA)
Abstract
The application relates to an improved shaft sleeve for a screw press, which belongs to the field of screw shaft sleeves of screw presses and comprises a screw, wherein a flywheel is rotationally connected with the screw, the screw is sleeved with a shaft sleeve, a friction plate is arranged at the upper side of the screw, which corresponds to the flywheel, a circle of sinking groove is formed at the position of the friction plate, which corresponds to the shaft sleeve, a positioning pin is fixedly connected at the position of the shaft sleeve, which corresponds to the friction plate, which corresponds to the sinking groove, a circle of screw thread is connected with a plurality of nuts, the nuts penetrate through the friction plate and the shaft sleeve, bolts are fixedly connected at the positions of the shaft sleeve, which correspond to the friction plate, the screw thread is connected with the nuts, a plurality of friction blocks are slidingly connected at the positions, which are far away from the screw, of the flywheel, a clutch is arranged above the flywheel, and the clutch can control the friction blocks to be tightly abutted against the flywheel. The application can conveniently and firmly connect the shaft sleeve with the friction disc.
Description
Technical Field
The application relates to the field of screw shaft sleeves of screw presses, in particular to an improved shaft sleeve for a screw press.
Background
At present, no matter the common machinery in life or the field of aerospace industry or even the field of military manufacturing, a plurality of mechanical devices are formed by forging and pressing through a press, the application field of the press is very wide, the press is an important industrial production large-scale machine, and a screw press is a common one in the press.
The screw press that uses mainly includes screw rod and nut, the screw rod rotates to be connected in the frame, nut threaded connection is in the screw rod lower extreme, the nut lower extreme fixedly connected with slider, the frame upper end rotates to be connected with the flywheel, the screw rod upper end rotates to be connected in the flywheel, screw rod and flywheel rotation junction cover are equipped with axle sleeve and bearing, the screw rod corresponds the axle sleeve outside rigid coupling and has the friction disc, it can up-and-down motion's movable block to inlay on the friction disc, the flywheel upper end is provided with the clutch, the clutch passes through pressurization control movable block downward movement and flywheel butt, rotate along with the flywheel and drive friction disc and axle sleeve synchronous rotation, and then realize the screw rod synchronous rotation, forward and reverse gyration motion with the flywheel through the screw rod and the screw drive of nut changes the up-and-down reciprocating motion of slider, realize the forging and pressing process.
In order to realize the stability of the forging process, the shaft sleeve and the friction disc need to have larger connection strength, and in the prior art, the friction disc and the shaft sleeve are forged in an integrated mode or welded together.
Aiming at the related technology, for the integral forming forging, as the finish machining is needed on the surface of the friction disc, after the friction disc and the shaft sleeve are integrally formed and forged, the volume is larger, the finish machining is extremely inconvenient for the surface of the friction disc, and the installation is difficult due to the larger volume; in the welding method, the shaft sleeve is contacted with the screw rod, so that the abrasion is reduced, high-carbon steel with higher price is generally adopted for forging, the friction disc inevitably has higher abrasion, the friction disc needs to be replaced after abrasion, low-carbon steel with lower price is generally adopted for forging, the high-carbon steel and the low-carbon steel are welded together, on one hand, the high-carbon steel generates higher welding stress due to higher carbon content during welding, and hot cracks are easy to generate, so that the welding performance is poor; in addition, the welding process of high carbon steel and low carbon steel is complex and has extremely high process requirements, so that the method is also not preferable.
Disclosure of utility model
In order to be able to connect the sleeve and the friction disk together in a convenient and firm manner, the application provides an improved sleeve for a screw press.
The application provides an improved shaft sleeve for a screw press, which adopts the following technical scheme:
The utility model provides an improved generation axle sleeve for screw press, including the screw rod, the screw rod rotates to be connected with the flywheel, the screw rod cover is equipped with the axle sleeve, the screw rod corresponds the flywheel upside and is provided with the friction disc, the friction disc corresponds the axle sleeve position department and has seted up the round heavy groove, the axle sleeve corresponds the equal rigid coupling in friction disc heavy groove position department and has the locating pin, the friction disc corresponds heavy groove and keeps away from screw rod round threaded connection and have a plurality of nuts, the nut passes friction disc and axle sleeve, the nut position department that the axle sleeve corresponds the friction disc all rigid coupling has the bolt, bolt threaded connection is in the nut, friction disc is kept away from screw rod department sliding connection and is provided with a plurality of friction blocks, the flywheel top is provided with the clutch, the clutch can control friction block and flywheel inseparable butt.
Through adopting above-mentioned scheme, during the installation, at first install screw rod and flywheel, follow down with the nut and upwards threaded connection in the friction disc, install the friction disc in the flywheel top afterwards, locate the screw rod with the axle sleeve cover again, the locating pin of axle sleeve can realize simple location and fixed with the heavy groove of friction disc mutually supporting, again with bolt threaded connection in the nut this moment, realize the firm connection of friction disc and axle sleeve, simple installation is convenient, economical and practical.
Preferably, the nut corresponds to the slotting in the shaft sleeve, the bolt corresponds to the slotting of the nut and is provided with a through hole, the side surface of the shaft sleeve corresponds to the through hole of the bolt and is provided with a yielding hole, the shaft sleeve corresponds to the yielding hole and is inserted with a cotter pin, and the cotter pin penetrates through the groove of the nut and the through hole of the bolt.
Through adopting above-mentioned scheme, cotter pin and the groove of nut mutually support, and wear to locate in the through-hole of bolt, make difficult emergence relative slip between bolt and the bolt, increase joint strength.
Preferably, a nylon ring is arranged in the nut.
By adopting the scheme, the nylon embedded in the nut is extruded by the screw thread of the bolt, so that the nylon is deformed, after the nylon is installed, the nylon and the screw thread are completely in extrusion contact, the extruded nylon generates a large resilience force on the bolt, friction is increased, and the bolt is not easy to loosen due to the force.
Preferably, the bolt sleeve is provided with a locking gasket.
Through adopting above-mentioned scheme, locking gasket can be by the action of locking gasket, spring gasket, dish spring gasket etc. that the bolt is not hard up can be played to locking gasket. When the friction disc and the shaft sleeve are vibrated to loosen, the radial convex line surface on the outer side of the anti-loosening washer is meshed with the contact surfaces of the two ends, and the tension is lifted, so that the locking effect is achieved, the anti-loosening effect is excellent, and the anti-loosening washer is easy to install and detach.
Preferably, the head parts of the bolts are provided with connecting holes, steel wires penetrate through the positions of the bolts corresponding to the connecting holes, and the steel wires connect a plurality of bolts in series.
Through adopting above-mentioned scheme, the steel wire can be in series all bolts together and play the effect of mutual restriction, even if there is a sign that the bolt appears not hard up, because the effect of steel wire, all bolts form a whole, can effectually reduce the probability that the bolt appears not hard up.
Preferably, the friction disc is provided with a plurality of process holes.
Through adopting above-mentioned scheme, the technology hole is convenient friction disc installation usefulness, because the friction disc is great, needs to install through hoisting machinery during the installation, and hoisting machinery passes through the technology hole with friction disc installation and flywheel upside.
In summary, the application has the following beneficial effects:
1. During installation, the screw rod and the flywheel are installed, the nut is connected with the friction disc in a threaded manner from bottom to top, the friction disc is installed above the flywheel, the shaft sleeve is sleeved on the screw rod, the positioning pin of the shaft sleeve can be matched with the sinking groove of the friction disc to achieve simple positioning and fixing, at the moment, the bolt is connected with the nut in a threaded manner, so that firm connection between the friction disc and the shaft sleeve is achieved, and the installation is simple, convenient, economical and practical;
2. The locking gasket can be a stop gasket, a spring gasket, a disc spring gasket and the like, and can play a role in preventing the bolt from loosening. When the friction disc and the shaft sleeve are vibrated to loosen, the radial convex line surface on the outer side of the anti-loosening washer is meshed with the contact surfaces of the two ends, and the tension is raised, so that the locking effect is achieved, the anti-loosening effect is excellent, and the anti-loosening washer is easy to install and disassemble;
3. The steel wire can be in series connection with all bolts and play the effect of mutual restriction, even if a bolt shows the sign of becoming flexible, because the effect of steel wire, all bolts form a whole, can effectually reduce the probability that the bolt appears becoming flexible.
Drawings
FIG. 1 is a cross-sectional view of an improved bushing for a screw press according to an embodiment of the present application;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of a clutch-off structure of an improved bushing for a screw press according to an embodiment of the present application.
Reference numerals illustrate: 1. a screw; 11. a flywheel; 12. a bearing; 13. a clutch; 2. a shaft sleeve; 21. a mounting plate; 22. a positioning pin; 23. a bolt; 24. a locking gasket; 25. a steel wire; 26. a cotter pin; 3. a friction plate; 31. a sliding groove; 32. sinking grooves; 33. a nut; 34. nylon rings; 35. and (5) processing holes.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses an improved shaft sleeve 2 for a screw press. Referring to fig. 1 and 2, the screw comprises a screw 1, wherein the screw 1 is rotationally connected with a flywheel 11, a bearing 12 is sleeved between the screw 1 and the flywheel 11, a shaft sleeve 2 is sleeved on an inner ring of the screw 1 corresponding to the bearing 12, a sliding key is arranged on the screw 1 along the axis direction, a sliding groove is arranged on the position of the shaft sleeve 2 corresponding to the sliding key of the screw 1, and the sliding key of the screw 1 is matched with the sliding groove of the shaft sleeve 2. The shaft sleeve 2 stretches out of the screw 1 and extends in the direction away from the axis to form a mounting plate 21, the screw 1 is rotationally connected with a friction plate 3 corresponding to the upper part of the flywheel 11, the friction plate 3 is sleeved outside the shaft sleeve 2 corresponding to the screw 1, the position of the friction plate 3, which is close to the screw 1, is overlapped with the mounting plate 21 and is mutually connected, and the friction plate 3 can drive the shaft sleeve 2 to rotate when rotating. The friction disc 3 is far away from the sliding groove 31 of the parallel axis direction of the screw 1, the sliding groove 31 array is arranged on the friction disc 3 in a circle, the friction disc 3 is correspondingly connected with a friction block in a sliding manner in the sliding groove 31, and the friction block can slide up and down along the length direction of the sliding groove. The screw 1 is provided with a clutch 13 corresponding to the friction plate 3 and above the screw 1, and the clutch 13 can bring the friction block into close contact with the flywheel 11 by pressurizing the friction block. When the motor drives the flywheel 11 to rotate, the clutch 13 controls the friction block to be abutted with the flywheel 11 so as to drive the friction disc 3 to rotate, the friction disc 3 drives the shaft sleeve 2 and the screw 1 to rotate, and forward and reverse rotation of the flywheel 11 is converted into up and down reciprocating motion of the sliding block through screw transmission of the screw 1 and the nut 33, so that the forging and pressing process is realized.
Referring to fig. 1 and 2, a circle of sinking groove 32 is formed in the position, close to the screw 1, of the friction disc 3, positioning pins 22 are fixedly connected to the position, corresponding to the sinking groove 32, of the friction disc 3, of the shaft sleeve 2, and when the friction disc is installed, simple fixing is achieved through the cooperation of the positioning pins 22 and the sinking groove 32. The friction disc 3 corresponds heavy groove 32 and keeps away from screw rod 1 position department and has seted up a plurality of screw holes, and the screw hole array is seted up and friction disc 3 round sets up, and friction disc 3 corresponds screw hole position department threaded connection has nut 33, and nut 33 inner circle outer lane all sets up the screw thread, and nut 33 can wear to locate axle sleeve 2, and nut 33 corresponds the setting of slotting in the axle sleeve 2, and the nut 33 is embedded to be equipped with nylon circle 34. The mounting plate 21 of the shaft sleeve 2 is provided with the bolt 23 at the position corresponding to the nut 33, the bolt 23 is connected in the nut 33 in a threaded manner, the nylon embedded in the nut 33 is extruded by the threads of the bolt 23, so that the nylon is deformed, after the mounting is finished, the nylon and the threads are completely in extrusion contact, the extruded nylon generates a large resilience force on the bolt 23, friction is increased, and the bolt 23 is not easy to loosen due to the force.
Referring to fig. 2 and 3, the bolt 23 is sleeved with a locking washer 24, the locking washer 24 may be a stopper washer, a spring washer, a disc spring washer, etc., and the locking washer 24 may play a role in preventing the bolt 23 from loosening. When the friction disc 3 and the shaft sleeve 2 are vibrated to loosen, the radial convex line surface on the outer side of the anti-loosening washer is in an engagement state with the contact surfaces of the two ends, and the tension is lifted, so that the locking effect is achieved, the anti-loosening effect is excellent, and the anti-loosening washer is easy to install and detach. The connecting holes are formed in the heads of the bolts 23, steel wires 25 are arranged at positions of the bolts 23 corresponding to the connecting holes in a penetrating mode, the steel wires 25 can connect all the bolts 23 in series to play a role in mutual holding, and even if one bolt 23 is loose, due to the action of the steel wires 25, all the bolts 23 form a whole, so that the probability of the occurrence of looseness of the bolts 23 can be effectively reduced. The bolt 23 corresponds the nut 33 fluting department and has seted up the through-hole of perpendicular to axis direction, and the mounting disc 21 of axle sleeve 2 is kept away from bolt 23 one side and is corresponded bolt 23 through-hole position department and has been seted up the hole of stepping down, and axle sleeve 2 corresponds the hole of stepping down department and inserts cotter pin 26, and cotter pin 26 passes the hole of stepping down, the groove of nut 33 and the through-hole of bolt 23 in succession, and cotter pin 26 can block in the groove of nut 33, reduces the probability that bolt 23 and nut 33 take place the relative slip. The friction disc 3 is far away from the screw hole position department and has been seted up a plurality of process holes 35, and process hole 35 array setting and friction disc 3 round set up, and process hole 35 is convenient friction disc 3 installation usefulness, because friction disc 3 is bulky, needs to install through hoisting machinery during the installation, hoisting machinery passes through process hole 35 with friction disc 3 installation and flywheel 11 upside.
The embodiment of the application provides an improved shaft sleeve 2 for a screw press, which is implemented by the following principle: during actual installation, firstly, after the screw 1 and the flywheel 11 are installed, firstly, the nut 33 is in threaded connection with the threaded hole of the friction disc 3 from bottom to top, then the friction disc 3 is installed on the upper side of the flywheel 11, then the shaft sleeve 2 is sleeved on the screw 1, the installation disc 21 of the shaft sleeve 2 is abutted against the friction disc 3, positioning can be simply and conveniently realized through the cooperation of the sinking groove 32 and the positioning pin 22, the bolt 23 sleeved with the anti-loose gasket 24 is in threaded connection with the nut 33, after the bolt 23 is screwed, the steel wire 25 sequentially penetrates through the connecting hole at the head of the bolt 23, all the bolts 23 are connected, finally, the cotter pin 26 is inserted into the yielding hole at the side face of the shaft sleeve 2, is matched with the groove of the nut 33 and penetrates through the through hole of the bolt 23, so that firm connection between the friction disc 3 and the shaft sleeve 2 is realized, and finally, the clutch 13 is installed above the friction disc 3.
The embodiment of the application has the effect of conveniently and firmly connecting the shaft sleeve and the friction disc together.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. An improved bushing (2) for a screw press, comprising a screw (1), characterized in that: screw rod (1) rotates and is connected with flywheel (11), screw rod (1) cover is equipped with axle sleeve (2), screw rod (1) corresponds flywheel (11) upside is provided with friction disc (3), friction disc (3) correspond axle sleeve (2) position department has seted up round heavy groove (32), axle sleeve (2) corresponds friction disc (3) heavy groove (32) position department all rigid coupling has locating pin (22), friction disc (3) correspond heavy groove (32) are kept away from screw rod (1) round threaded connection has a plurality of nuts (33), nut (33) pass friction disc (3) and axle sleeve (2), axle sleeve (2) correspond nut (33) position department all rigid coupling of friction disc (3) has bolt (23), bolt (23) threaded connection in nut (33), friction disc (3) keep away from screw rod (1) department sliding connection has clutch (11) top, flywheel (13) can be provided with clutch (13), clutch (13) can closely support with flywheel (13).
2. An improved bushing (2) for a screw press according to claim 1, characterized in that: the nut (33) corresponds to the grooving arrangement in the shaft sleeve (2), the bolt (23) corresponds to the grooving of the nut (33) and is provided with a through hole, the side surface of the shaft sleeve (2) corresponds to the through hole of the bolt (23) and is provided with a yielding hole, the shaft sleeve (2) corresponds to the yielding hole and is inserted with a cotter pin (26), and the cotter pin (26) is arranged in the groove of the nut (33) and the through hole of the bolt (23) in a penetrating mode.
3. An improved bushing (2) for a screw press according to claim 1, characterized in that: a nylon ring (34) is arranged in the nut (33).
4. An improved bushing (2) for a screw press according to claim 1, characterized in that: the bolt (23) is sleeved with a locking gasket (24).
5. An improved bushing (2) for a screw press according to claim 1, characterized in that: the head of each bolt (23) is provided with a connecting hole, a steel wire (25) is arranged at the position of each bolt (23) corresponding to the connecting hole in a penetrating mode, and a plurality of bolts (23) are connected in series through the steel wires (25).
6. An improved bushing (2) for a screw press according to claim 1, characterized in that: the friction disc (3) is provided with a plurality of process holes (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322524205.7U CN220992713U (en) | 2023-09-15 | 2023-09-15 | Improved shaft sleeve for screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322524205.7U CN220992713U (en) | 2023-09-15 | 2023-09-15 | Improved shaft sleeve for screw press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220992713U true CN220992713U (en) | 2024-05-24 |
Family
ID=91126896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322524205.7U Active CN220992713U (en) | 2023-09-15 | 2023-09-15 | Improved shaft sleeve for screw press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220992713U (en) |
-
2023
- 2023-09-15 CN CN202322524205.7U patent/CN220992713U/en active Active
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