CN109452677A - Screw rod ejecting mechanism - Google Patents
Screw rod ejecting mechanism Download PDFInfo
- Publication number
- CN109452677A CN109452677A CN201910025560.5A CN201910025560A CN109452677A CN 109452677 A CN109452677 A CN 109452677A CN 201910025560 A CN201910025560 A CN 201910025560A CN 109452677 A CN109452677 A CN 109452677A
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- CN
- China
- Prior art keywords
- screw rod
- screw
- output shaft
- push rod
- tail end
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a kind of screw rod ejecting mechanisms (101), the screw rod ejecting mechanism (101) is used to dismantle the screw rod (110) of twin-screw Bulking Machine (100), the screw rod (110) is sleeved in swivel nut (120) and is connected by spline housing (130) with gearbox output shaft (140) anti-torsion, the swivel nut (120) is fixed by swivel nut support frame (150) of the fixed and arranged on the base of the twin-screw Bulking Machine (100), the axial ends of the spline housing passes through splined nut (132) respectively and is connected with the screw rod (110) and the gearbox output shaft, the screw rod ejecting mechanism (101) includes: several push rods (160), sleeve (170), clamping device (180), pulling force provides device (190).
Description
Technical field
It is especially a kind of for dismantling the spiral shell of the twin-screw of twin-screw Bulking Machine the present invention relates to a kind of screw rod ejecting mechanism
Bar ejecting mechanism.
Background technique
Feed extruder is widely used in producing aquatic products material and high-grade animal feed at present, major function be cured feed,
Sterilization and expanded molding.Equipment price is higher, is important one of feed equipment.With the single serew bulker phase generallyd use
Than the performance of twin-screw feed extruder is more superior, is embodied in and is capable of providing higher extrusion force and feed is made to reach higher
Mixture homogeneity, thus make feed have preferably curing performance.Twin-screw Bulking Machine is in dismantling screw, it usually needs same
When dismantle two screw rods, two screw rods could be pulled out in this way.
But the screw size of large-scale twin-screw bulking machine, weight are all bigger, and the part of screw rod swivel nut is all essence
Close part, disassembly is also sufficiently complex and difficult, high to the technical requirements of worker, and needs often to dismantle spiral shell in production process
Bar.Dismantling screw is needed by lifting equipment, and time-consuming, influences production efficiency.In addition, existing screw rod ejecting mechanism, be with
Gear-box is stress supporting point, will cause adverse effect to gear-box.
Therefore, it is necessary to it is a kind of can be improved dismantling screw efficiency, live operability and the degree of automation for tearing open
The screw rod ejecting mechanism of the twin-screw of twin-screw Bulking Machine is unloaded, to save manpower and time and improve production efficiency.
Summary of the invention
Technical problem to be solved by the present invention lies in a kind of screw rod ejecting mechanism is provided, using screw rod provided by the invention
Ejecting mechanism can release the screw rod in swivel nut under conditions of not dismantling the swivel nut of bulking machine.
This technical problem is released by a kind of screw rod according to the present invention for dismantling the screw rod of twin-screw Bulking Machine
Mechanism solves.In screw rod ejecting mechanism according to the present invention, screw rod is sleeved in swivel nut and by spline housing and gear
Case output shaft anti-torsion it is connected, swivel nut support frame of the swivel nut by fixed and arranged on the base of the twin-screw Bulking Machine
Fixed, the axial ends of the spline housing passes through splined nut respectively and is connected with the screw rod and the gearbox output shaft, should
Screw rod ejecting mechanism includes: several push rods, and the tail end of the push rod is designed as being suitable for the front end with another push rod with dismountable
Mode anti-torsion dungeon is solidly connected, and the Front-end Design of at least one push rod is suitable for the close tooth with the screw rod
Removably anti-torsion dungeon is solidly connected the tail end of roller box output shaft；Sleeve, which, which has, is suitable for accommodating the tooth
The open end of roller box output shaft and shape are suitable for withstanding on the closed end on the tail end of the screw rod or the tail end of the push rod；Clamping
Device, the clamping device be suitable for clamped under clamp position the spline housing or sleeve and in the loosened condition release clamped by
Spline housing or sleeve, wherein the side of the sleeve be respectively provided be suitable for by the clamping part of the gripping apparatus grips；Pulling force
Device is provided, the pulling force, which provides device, can stretch and be suitable for providing needed for dismantling screw upwards by being contracted in screw shaft
Pulling force, wherein one end that the pulling force provides device is fixed on the swivel nut support frame, the other end and is arranged in the gear
The clamping device between case and the swivel nut support frame is connected.
Preferably, it is hydraulic cylinder or pneumatic cylinder that the pulling force, which provides device,.
A kind of preferred implementing form of the screw rod ejecting mechanism provided according to the present invention, the close gear of the screw rod
The tail end of the tail end of case output shaft and each push rod all has the shape to match with the closed end of the sleeve.Preferably
It is the closed end close to the tail end of the gearbox output shaft and the tail end of each push rod and the sleeve of the screw rod
It is respectively provided with perpendicular to axial end face, suitable for abutting each other.
A kind of preferred implementing form of the screw rod ejecting mechanism provided according to the present invention, with the screw rod close to the tooth
The front end of the connected push rod of the tail end of roller box output shaft has for the close gearbox output shaft with the screw rod
Tail end helicitic texture interconnected.
The tail end of a kind of preferred implementing form of the screw rod ejecting mechanism provided according to the present invention, each push rod has
There is the helicitic texture for being suitable for being connected with the front end of push rod described at least another.Preferably, the tail end of each push rod
Equipped with centering threaded hole, which is suitable for being connected with the screw thread of the front end of push rod described at least another.
According to another aspect of the present invention, a kind of twin-screw Bulking Machine is additionally provided, which has as above
The screw rod ejecting mechanism.
According to another aspect of the invention, the present invention also provides it is a kind of dismantle twin-screw Bulking Machine screw rod method,
The twin-screw Bulking Machine has screw rod ejecting mechanism as described above, and this method comprises the following steps:
Unclamp the splined nut (S1) of the axial ends of the spline housing；
The clamping device is moved to, which in the loosened condition, and making the pulling force provide device stretching, extension is suitable for clamping
The position (S2) of the spline housing；
The clamping device is switched to clamp position to clamp the spline housing (S3)；
The spline housing promotion screw rod is clamped to far from the gear by providing the pulling force and device is shunk
The direction of case output shaft moves (S4)；
The clamping device is unclamped to remove the spline housing (S5)；
The clamping device is returned in the loosened condition close to the tooth and making the pulling force provide device stretching, extension
The position (S6) of roller box output shaft；
With sleeve described in the gripping apparatus grips, the closed end of the sleeve is made to be directed at the close tooth of the screw rod
The tail end (S7) of roller box output shaft；
Select the push rod of suitable length and by the front end of the push rod according to the moving distance of the screw rod with dismountable side
Formula is connected firmly to the tail end (S8) close to the gearbox output shaft of the screw rod；
The sleeve is clamped and making the pulling force provide device contraction to push the push rod and push the spiral shell in turn
Bar moves (S9) to the direction far from the gearbox output shaft；
Make the sleeve is clamped to return to close to the gearbox output shaft and making the pulling force provide device stretching, extension
Position (S10)；
Select the push rod of suitable length and by the front end of the push rod according to the moving distance of the screw rod with dismountable side
Formula is connected firmly to the tail end of the previous push rod, then clamps the sleeve by providing the pulling force and device is shunk
It pushes the push rod and the screw rod is pushed to move to the direction far from the gearbox output shaft in turn, constantly repeat this step
Until screw rod can be completely pushed out of swivel nut (S11)；
The push rod (S12) is respectively unloaded from the screw rod.
Screw rod ejecting mechanism of the invention, can use pneumatic cylinder or hydraulic cylinder provides driving force, two spiral shells
Bar is released from swivel nut step by step simultaneously, and whole process does not need disassembly swivel nut, so as to avoid during dismantling swivel nut
Damage screw rod, at the same also avoid as repeatedly dismantle swivel nut and caused by swivel nut installation accuracy decline.
Using screw rod ejecting mechanism of the invention, hydraulic cylinder or cylinder can be fixed on swivel nut support frame, in liquid
During the piston rod of cylinder pressure retracts, screw rod is released step by step, rather than will during the piston rod of hydraulic cylinder stretches out
Screw rod ejection, therefore gear-box not will receive the thrust that hydraulic cylinder or cylinder generate reduces tooth to protect gear-box
Take turns the design strength requirement of box body.
Using screw rod ejecting mechanism of the invention, the efficiency for tearing screw rod open can be effectively improved, shortens bulking machine maintenance
Time, cost that time and manpower is saved improve production efficiency, and avoid screwing element of damaging in disassembly process, while
The requirement to live lifting appliance is reduced, the adaptability of equipment is improved, improves the usage experience and satisfaction of client.
Detailed description of the invention
Fig. 1 schematically shows the gearbox output shaft of twin-screw Bulking Machine and the connection relationship of screw rod；
Fig. 2 schematically shows the assembling figures of screw rod ejecting mechanism of the invention；
Fig. 3 schematically shows the sectional view of screw rod ejecting mechanism of the invention；
Fig. 4 schematically shows the push rods of screw rod ejecting mechanism of the invention；
Fig. 5 schematically shows the sleeve of screw rod ejecting mechanism of the invention；
Fig. 6 to Figure 12 schematically shows the step of screw rod of disassembly twin-screw Bulking Machine of the invention.
Specific embodiment
The method of the screw rod of screw rod ejecting mechanism of the invention and disassembly twin-screw Bulking Machine is carried out with reference to the accompanying drawing
It is described in detail.
Fig. 1 schematically shows the gearbox output shaft of twin-screw Bulking Machine and the connection relationship of screw rod, such as Fig. 1 institute
Show, the screw rod 110 of twin-screw Bulking Machine is sleeved in swivel nut and passes through spline housing 130 with 140 anti-torsion of gearbox output shaft
It is connected, the axial ends of spline housing 130 passes through splined nut 132 respectively and is connected with screw rod 110 and gearbox output shaft 140.
Fig. 2 schematically shows the assembling figure of screw rod ejecting mechanism of the invention, Fig. 3 schematically shows the present invention
Screw rod ejecting mechanism sectional view, as shown in Figure 2 and Figure 3, screw rod ejecting mechanism 101 provided by the invention, for dismantling double spiral shells
The screw rod 110 of bar bulking machine 100, screw rod 110 are sleeved in swivel nut 120 and are resisted by spline housing 130 and gearbox output shaft 140
Torsionally it is connected, swivel nut 120 is fixed by swivel nut support frame 150 of the fixed and arranged on the base of twin-screw Bulking Machine 100, flower
The axial ends of key set 130 passes through splined nut 132 respectively and is connected with screw rod 110 and gearbox output shaft 140, which pushes away
Mechanism 101 includes: several push rods 160 out, and the tail end 162 of push rod is designed as being suitable for the front end 164 with another push rod with detachable
Mode anti-torsion dungeon be solidly connected, and the front end 164 of at least one push rod is designed as being suitable for close gear with the screw rod
Removably anti-torsion dungeon is solidly connected the tail end of case output shaft 140；Sleeve 170, which, which has, is suitable for accommodating
The open end 172 of gearbox output shaft 140 and shape are suitable for withstanding on the closed end 174 on the tail end of screw rod or the tail end of push rod；
Clamping device 180, clamping device 180 are suitable for clamping spline housing or sleeve under clamp position and in the loosened condition folded by releases
The spline housing or sleeve held, wherein the side of push rod and sleeve, which is respectively provided with, to be suitable for by the clamping part of the gripping apparatus grips
176；Pulling force provides device 190, and pulling force, which provides device 190, can stretch and be suitable for providing disassembly upwards by being contracted in screw shaft
Pulling force needed for screw rod, wherein one end that pulling force provides device is fixed on the swivel nut support frame, the other end and is arranged in tooth
Clamping device between roller box and swivel nut support frame is connected.
The front end 164 of the connected push rod of the tail end of the close gearbox output shaft 140 of screw rod 110, which has, to be used for and screw rod
The 110 tail end helicitic texture interconnected close to the gearbox output shaft 140.
Wherein, pulling force, which provides device 190, both can be used hydraulic cylinder, and pneumatic cylinder also can be used.
Fig. 4 schematically shows the push rods of screw rod ejecting mechanism of the invention, as shown in figure 4, the tail end 162 of push rod is set
It is calculated as being suitable for that removably anti-torsion dungeon is solidly connected with the front end 164 of another push rod, and before at least one push rod
End 164 is designed as being suitable for and the tail end of the close gearbox output shaft 140 of the screw rod removably anti-torsion dungeon
It is solidly connected, the side of push rod has the clamping part 176 for being suitable for clamped device clamping.
The tail end 162 of each push rod 160 has the spiral shell for being suitable for being connected with the front end 164 of at least another push rod 160
Line structure.
The tail end 162 of each push rod 160 be equipped with centering threaded hole 114, the centering threaded hole 114 be suitable for at least
The screw thread of the front end 164 of another push rod is connected.
Fig. 5 schematically shows the sleeve of screw rod ejecting mechanism of the invention, fits as shown in figure 5, sleeve 170 has
It is suitable for withstanding on the closing on the tail end of screw rod or the tail end of push rod in the open end 172 and shape for accommodating gearbox output shaft 140
End 174, the side of sleeve have the clamping part 176 for being suitable for clamped device clamping.
Fig. 6 to Figure 12 schematically shows the step of screw rod of disassembly twin-screw Bulking Machine of the invention.
As shown in fig. 6, step 1, unclamps the splined nut 132 (S1) of the axial ends of spline housing 130；Step 2 passes through
Pulling force is set to provide the stretching, extension of device 190 and clamping device 180 is made to move to the position for being suitable for clamping spline housing 130 in the loosened condition
(S2)；
As shown in fig. 7, step 3, is switched to clamp position for clamping device 180 to clamp spline housing 130 (S3)；Step
Four, 130 lead-screw 110 of spline housing is clamped to the side far from gearbox output shaft by providing pulling force and device 190 is shunk
To movement (S4)；
As shown in figure 8, step 5, unclamps clamping device 180 to remove spline housing 130 (S5)；Step 6, by making pulling force
The stretching, extension of device 190 is provided and returns to the clamping device in the loosened condition close to the position of the gearbox output shaft
(S6)；Step 7 makes the closed end of sleeve 170 be directed at the close tooth of screw rod 110 with 180 gripper sleeve 170 of clamping device
The tail end (S7) of roller box output shaft；
As shown in Figure 9, Figure 10, step 8 selects the push rod 160 of suitable length according to the moving distance of screw rod 110 and incites somebody to action
The front end of the push rod 160 is removably connected firmly to the tail end close to the gearbox output shaft of screw rod 110
(S8)；
As shown in figure 11, step 9, by providing pulling force and device 190 is shunk, gripper sleeve 170 pushes push rod 160
And lead-screw 110 to far from the direction of gearbox output shaft moves (S9) in turn；
As shown in figure 12, step 10, by make pulling force provide make and device 190 stretches sleeve 170 it is clamped return to it is close
The position (S10) of gearbox output shaft；Step 11 selects the push rod 160 of suitable length simultaneously according to the moving distance of screw rod 110
The front end of the push rod is removably connected firmly to the tail end of the previous push rod, then by providing pulling force
Device 190 shrink and gripper sleeve 170 push push rod 160 and and then lead-screw 110 to far from gearbox output shaft direction
Movement constantly repeats this step until screw rod 110 can be completely pushed out of swivel nut (S11)；Step 12, it is each from the screw rod
Unload the push rod (S12).
Describe the preferred embodiment of the present invention above, but the spirit and scope of the present invention be not limited to it is disclosed herein
Particular content.Those skilled in the art can introduction any combination according to the present invention and extension the various embodiments described above and in this hair
More embodiments and application are made in bright spirit and scope.The spirit and scope of the present invention are not limited by specific embodiment
It is fixed, and be defined by the claims.
Reference signs list
100 twin-screw Bulking Machines
101 screw rod ejecting mechanisms
110 screw rods
The tail end of 112 screw rods
114 centering threaded holes
120 swivel nuts
130 spline housings
132 splined nuts
140 gearbox output shafts
150 swivel nut support frames
160 push rods
The tail end of 162 push rods
The front end of 164 push rods
170 sleeves
The open end of 172 sleeves
The closed end of 174 sleeves
176 clamping parts
180 clamping devices
190 pulling force provide device.
Claims (10)
1. a kind of screw rod ejecting mechanism (101), which is used to dismantle the spiral shell of twin-screw Bulking Machine (100)
Bar (110), the screw rod (110) are sleeved in swivel nut (120) and anti-by spline housing (130) and gearbox output shaft (140)
Torsionally it is connected, swivel nut support frame of the swivel nut (120) by fixed and arranged on the base of the twin-screw Bulking Machine (100)
(150) fixed, the axial ends of the spline housing (132) passes through splined nut (132) and the screw rod (110) and described respectively
Gearbox output shaft (140) is connected, which is characterized in that the screw rod ejecting mechanism (101) includes:
Several push rods (160), the tail end (162) of the push rod are designed as being suitable for the front end (164) with another push rod with detachable
Mode anti-torsion dungeon be solidly connected, and the front end (164) of at least one push rod is designed as being suitable for leaning on the screw rod
Removably anti-torsion dungeon is solidly connected the tail end of the nearly gearbox output shaft (140)；
Sleeve (170), the sleeve (170) have the open end (172) for being suitable for accommodating the gearbox output shaft (140) and shape
Suitable for the closed end (174) withstood on the tail end of the screw rod or the tail end of the push rod；
Clamping device (180), the clamping device (180) are suitable for clamping the spline housing or sleeve under clamp position and in pine
Clamped spline housing or sleeve are unclamped under open state, wherein the side of the spline housing and the sleeve, which has, to be suitable for by institute
State the clamping part (176) of clamping device (180) clamping；
Pulling force provides device (190), and the pulling force, which provides device (190), can stretch and be suitable for upward by being contracted in screw shaft
Pulling force needed for dismantling screw (110) are provided, wherein one end that the pulling force provides device is fixed on the swivel nut support frame
On, the other end is connected with the clamping device (180) being arranged between the gear-box and the swivel nut support frame.
2. screw rod ejecting mechanism (101) according to claim 1, which is characterized in that the pulling force provides device (190) and is
Hydraulic cylinder.
3. screw rod ejecting mechanism (101) according to claim 1, which is characterized in that the pulling force provides device (190) and is
Pneumatic cylinder.
4. screw rod ejecting mechanism (101) according to any one of claim 1 to 3, which is characterized in that the screw rod
(110) close to the gearbox output shaft (140) tail end (112) and each push rod tail end (162) all with the set
The closed end (174) of cylinder (170) has the shape to match.
5. screw rod ejecting mechanism (101) according to claim 4, which is characterized in that the screw rod (110) close to described
The closed end (174) of the tail end (112) of gearbox output shaft (140) and the tail end (162) of each push rod and the sleeve
It is respectively provided with perpendicular to axial end face, suitable for abutting each other.
6. screw rod ejecting mechanism (101) according to claim 1, which is characterized in that the close institute with the screw rod (110)
State the connected push rod of tail end (112) of gearbox output shaft (140) front end (164) have for and the screw rod
(110) tail end (112) helicitic texture interconnected close to the gearbox output shaft (140).
7. screw rod ejecting mechanism (101) according to claim 6, which is characterized in that the tail end of each push rod (160)
(162) all there is the helicitic texture for being suitable for being connected with the front end (164) of push rod described at least another (160).
8. screw rod ejecting mechanism (101) according to claim 6 or 7, which is characterized in that each push rod (160)
Tail end (162) is equipped with centering threaded hole (114), which is suitable for the front end with push rod described at least another
(164) screw thread is connected.
9. a kind of twin-screw Bulking Machine (100), which is characterized in that the twin-screw Bulking Machine has as any in claim 1 to 7
Screw rod ejecting mechanism (101) described in.
10. a kind of method for the screw rod (110) for dismantling twin-screw Bulking Machine (100), the twin-screw Bulking Machine have as right is wanted
Screw rod ejecting mechanism (101) described in asking any one of 1 to 7, this method comprises the following steps:
Unclamp the splined nut (S1) of the axial ends of the spline housing；
The clamping device is moved in the loosened condition and making the pulling force provide device stretching, extension to be suitable for described in clamping
The position (S2) of spline housing；
The clamping device is switched to clamp position to clamp the spline housing (S3)；
Clamping the spline housing and making the pulling force provide device contraction pushes the screw rod defeated to the separate gear-box
The direction of shaft moves (S4)；
The clamping device is unclamped to remove the spline housing (S5)；
The clamping device is returned in the loosened condition close to the gear-box and making the pulling force provide device stretching, extension
The position (S6) of output shaft；
With sleeve described in the gripping apparatus grips, the closed end of the sleeve is made to be directed at the close gear-box of the screw rod
The tail end (S7) of output shaft；
It is according to the push rod of the moving distance of screw rod selection suitable length and the front end of the push rod is removably firm
It is solidly connected the tail end (S8) close to the gearbox output shaft in the screw rod；
By make the pulling force provide clamped and device is shunk the sleeve push the push rod and push in turn the screw rod to
Direction far from the gearbox output shaft moves (S9)；
Make the sleeve is clamped to return to close to the position of the gearbox output shaft and making the pulling force provide device stretching, extension
Set (S10)；
It is according to the push rod of the moving distance of screw rod selection suitable length and the front end of the push rod is removably firm
It is solidly connected the tail end in the previous push rod, then clamps the sleeve promotion by providing the pulling force and device is shunk
The push rod and and then push the screw rod move to far from the direction of the gearbox output shaft, constantly repeat this step up to
Screw rod can be completely pushed out of swivel nut (S11)；
The push rod (S12) is respectively unloaded from the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025560.5A CN109452677A (en) | 2019-01-11 | 2019-01-11 | Screw rod ejecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025560.5A CN109452677A (en) | 2019-01-11 | 2019-01-11 | Screw rod ejecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109452677A true CN109452677A (en) | 2019-03-12 |
Family
ID=65616382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910025560.5A Pending CN109452677A (en) | 2019-01-11 | 2019-01-11 | Screw rod ejecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109452677A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113712232A (en) * | 2021-09-01 | 2021-11-30 | 广州天地实业有限公司 | Screw rod ejecting mechanism and double-screw extruder with same |
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|---|---|---|---|---|
| DE10344622A1 (en) * | 2003-09-25 | 2005-04-28 | Bosch Gmbh Robert | Device for removal of fuel injection valve, comprising threaded bar acting in combination with sleeve and knurled nut |
| CN201493086U (en) * | 2009-09-04 | 2010-06-02 | 国营万峰无线电厂 | Bulking machine with screw sleeve capable of being rapidly detached |
| CN201509120U (en) * | 2009-09-30 | 2010-06-16 | 冯祥根 | Motor push rod with a push pole and a speed reducer combined in a straight line |
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| CN113712232A (en) * | 2021-09-01 | 2021-11-30 | 广州天地实业有限公司 | Screw rod ejecting mechanism and double-screw extruder with same |
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