CN217164639U - Quick-mounting-dismounting hammer pin shaft device for hammer mill - Google Patents
Quick-mounting-dismounting hammer pin shaft device for hammer mill Download PDFInfo
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- CN217164639U CN217164639U CN202220424778.5U CN202220424778U CN217164639U CN 217164639 U CN217164639 U CN 217164639U CN 202220424778 U CN202220424778 U CN 202220424778U CN 217164639 U CN217164639 U CN 217164639U
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- hammer mill
- connecting piece
- hammer pin
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Abstract
The utility model belongs to the technical field of hammer mill, especially, relate to a quick assembly disassembly hammer pin axle device for hammer mill, including jackshaft, activity striking piece and connecting piece, the tip of hammer pin axle is provided with the internal thread, the front end of connecting piece is provided with the external screw thread with the interior screw-thread fit of hammer pin axle tip, the rear end of connecting piece can be dismantled with the front end of jackshaft and be connected, the rear end of connecting piece is provided with first boss, the rear end of jackshaft is provided with the second boss, activity striking piece sliding sleeve is established on the jackshaft, just activity striking piece sets up between first boss and second boss. Has the advantages that: this quick assembly disassembly hammer pin axle device, operating personnel only need stand and operate in the front wall board side, and operating space is big, utilizes the inertia of activity striking piece, uses less strength just can make the hammer pin axle pull out and push away, greatly improves operating efficiency and operating personnel and experiences.
Description
Technical Field
The utility model belongs to the technical field of the hammer mill, especially, relate to a quick assembly disassembly hammer pin axle device for hammer mill.
Background
The hammer mill is the most widely used one, as shown in fig. 1, a rotor assembly 55 of the hammer mill includes a hammer frame plate 551, a rotor 552, a hammer pin 553, a hammer slice 554 and a spacer 555, wherein a plurality of hammer frame plates 551 are sequentially arranged on the rotor 552 along the axial direction of the rotor 552, the hammer pin 553 passes through a pin shaft mounting hole on the hammer frame plate 551 and is fixed on the hammer frame plate 551, a plurality of hammer pin shafts 553 are sequentially arranged around the circumferential direction of the rotor 552, the hammer slice 554 is arranged on the hammer pin shaft 553, the hammer slice 554 is arranged between the hammer slices 554, and the hammer slice 554 and the hammer frame plate 551 are limited by the spacer 555. As shown in fig. 2 and 3, the front wall plate 51 and the rear wall plate 54 of the hammer mill are provided with pin mounting holes 511 for mounting and replacing the hammer 554.
As shown in fig. 2 and 3, the motor 56 for driving the rotor 552 is installed on the rear wall plate 54 side of the hammer mill, and the hammer pin 553 is slowly knocked out by knocking with a round bar or other tool smaller than the diameter of the hammer pin 553, and the hammer pin 553 is slowly pulled out on the front wall plate 51 side in the conventional process, because the motor 56, the coupling, the sliding door and other parts are installed on the rear wall plate 54 side, the operation space is extremely small, and the knocking operation is extremely inconvenient, and the radial direction of the pin dismounting hole 511 on some rear wall plates 54 intersects with the mounting position of the coupling, so that the knocking operation cannot be performed in the straight direction, and the hammer 554 is greatly inconvenient, and the time and labor are consumed when installing and replacing the hammer 554, and the operator experiences extremely poor experience; in addition, since a single hammer pin 553 passes through the pin mounting holes of the plurality of hammer frame plates 551, during the process of pulling and inserting the hammer piece 554 during the installation and replacement, the deviation of concentricity of the pin mounting holes of the plurality of hammer frame plates 551 causes a particularly large resistance, and also causes a particularly great effort and time consumption during the hammering process, the hammer pin 553 needs to be knocked from the pin dismounting hole 511 of the rear wall plate 54 to move the hammer pin 553, and the hammer pin 553 is slowly pulled out from the front wall plate 51 side.
SUMMERY OF THE UTILITY MODEL
For solving the extremely difficult problem of hammer pin axle dress that prior art exists, the utility model provides a quick assembly disassembly hammer pin axle device for hammer mill.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows, a quick assembly disassembly hammer pin axle device for hammer mill, including jackshaft, activity striking piece and connecting piece, the tip of hammer pin axle is provided with the internal thread, the front end of connecting piece is provided with the external screw thread with the interior screw-thread fit of hammer pin axle tip, the rear end of connecting piece can be dismantled with the front end of jackshaft and be connected, the rear end of connecting piece is provided with first boss, the rear end of jackshaft is provided with the second boss, activity striking piece sliding sleeve is established on the jackshaft, just activity striking piece sets up between first boss and second boss.
Preferably, the movable impact block comprises a round pipe part and an impact block part, the round pipe part and the impact block part are fixedly connected through welding, the round pipe part is a seamless steel pipe, the middle shaft sequentially penetrates through the impact block part and the round pipe part in a sliding mode, and the impact block part is close to the second boss. The circular tube portion improves the gliding reliability and stability of activity striking piece along the jackshaft, and the circular tube portion still is convenient for the operator hand and grips the operation, hits the quality that piece portion increased activity striking piece, utilizes the inertia of activity striking piece, only needs to use less strength just can make the quick extraction or the push of hammer pin axle.
Furthermore, the round tube part is provided with an anti-skidding sleeve, and the anti-skidding sleeve is made of rubber. The anti-slip sleeve increases the friction force when the hand grips during operation, prevents sliding and improves the operation comfort level.
Preferably, the rear end of the connecting piece is detachably connected with the front end of the intermediate shaft through threads. The connecting piece is convenient to replace according to the size of the internal thread at the end part of the hammer pin shaft, the application range of the quick assembling and disassembling hammer pin shaft device is expanded, and the cost is reduced.
Preferably, the connecting piece and the first boss are fixedly connected by welding; the intermediate shaft and the second boss are fixedly connected through welding. The connection mode of first boss and second boss is simple firm.
Further, the first boss, the second boss and the bump block portion are all circular. The stress is even, safe and reliable, and the service life of the quick assembling and disassembling hammer pin shaft device is prolonged.
Preferably, a protective base plate is detachably arranged in the hammer mill, and the protective base plate is positioned below a rotor assembly of the hammer mill. When the hammer sheet and the spacer bush of the hammer sheet type crusher are assembled and disassembled, if the hammer sheet and/or the spacer bush accidentally fall off, the protective cushion plate can receive the hammer sheet and/or the spacer bush, and the hammer sheet and/or the spacer bush can be effectively prevented from accidentally falling into the conveying equipment below the crusher.
Preferably, a hinge pin assembling and disassembling hole is reserved in a front wall plate of the hammer mill, a hole blocking cover is arranged on the front wall plate through a blocking cover screw, and the hole blocking cover and the hinge pin assembling and disassembling hole are arranged oppositely. The hole blocking cover is effective in dust prevention.
Has the advantages that: the utility model discloses a quick assembly disassembly hammer pin axle device for hammer mill, simple structure, design benefit, it is with low costs, operating personnel only need stand and operate on the front wall board side, utilize the inertia of activity striking piece, use less strength just can make hammer pin axle pull out and push in, need not to operate in the narrow space on back wall board side, operating personnel need not the side and/or squat down, normal posture can be handled, accord with ergonomics, greatly improve operating efficiency and operating personnel experience; the utility model discloses a quick assembly disassembly hammer pin axle device for hammer mill, the rear end of connecting piece can be dismantled with the front end of jackshaft and be connected, is convenient for change the connecting piece according to the internal thread size of hammer pin axle head portion, enlarges the application scope of this quick assembly disassembly hammer pin axle device, reduce cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a rotor assembly;
FIG. 2 is a schematic perspective view of a hammer mill of the prior art;
FIG. 3 is a schematic side view of a prior art beater mill;
FIG. 4 is an exploded view of the quick release hammer pin assembly of the present invention for use in a hammer mill;
FIG. 5 is a schematic perspective view of the movable impact block of the quick-release hammer pin shaft assembly for a hammer mill of the present invention in a pulled-out position;
FIG. 6 is a schematic perspective view of the movable impact block of the quick-release hammer pin shaft assembly of the present invention in a pushed-in position for use in a hammer mill;
FIG. 7 is a schematic side view of a hammer mill with a quick release hammer pin shaft assembly for a hammer mill in accordance with the present invention;
FIG. 8 is a schematic perspective view of the movable impact block in a pulled-out position when the quick-release hammer pin shaft assembly for a hammer mill of the present invention is in use;
FIG. 9 is a schematic perspective view of the movable impact block pushed in during use of the quick-release hammer pin shaft assembly for a hammer mill of the present invention;
in the figure: 1. the middle shaft, 11, the second boss, 2, the activity hits the piece, 21, the pipe portion, 22, hit the piece portion, 3, connecting piece, 31, first boss, 4, antiskid cover, 51, preceding wallboard, 511, round pin axle dismouting hole, 52, keep off the lid screw, 53, hole fender lid, 54, back wallboard, 55, rotor assembly, 551, hammer carrier board, 552, rotor, 553, hammer pin axle, 554, hammer leaf, 555, spacer sleeve, 56, motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 4 to 9, a quick assembly disassembly hammer pin shaft device for a hammer mill comprises an intermediate shaft 1, a movable impact block 2 and a connecting piece 3, wherein an internal thread is arranged at the end of the hammer pin shaft 553, an external thread matched with the internal thread at the end of the hammer pin shaft 553 is arranged at the front end of the connecting piece 3, the rear end of the connecting piece 3 is detachably connected with the front end of the intermediate shaft 1, a first boss 31 is arranged at the rear end of the connecting piece 3, the connecting piece 3 and the first boss 31 are fixedly connected by welding, a second boss 11 is arranged at the rear end of the intermediate shaft 1, the intermediate shaft 1 and the second boss 11 are also fixedly connected by welding, the movable impact block 2 is slidably sleeved on the intermediate shaft 1, and the movable impact block 2 is arranged between the first boss 31 and the second boss 11.
In order to facilitate the operation of the movable impact block 2, in the present embodiment, as shown in fig. 4 to 6, the movable impact block 2 includes a round tube portion 21 and an impact block portion 22, the round tube portion 21 and the impact block portion 22 are fixedly connected by welding, the round tube portion 21 is a seamless steel tube, the intermediate shaft 1 sequentially slides through the impact block portion 22 and the round tube portion 21, the impact block portion 22 is disposed near the second boss 11, and the first boss 31, the second boss 11 and the impact block portion 22 of the present embodiment are all circular in shape for uniform stress; the round pipe part 21 is provided with an anti-skidding sleeve 4, and the anti-skidding sleeve 4 is made of rubber.
In order to facilitate the replacement of the connecting member 3 according to the size of the internal thread at the end of the hammer pin 553, in this embodiment, as shown in fig. 4 to 6, the rear end of the connecting member 3 is detachably connected to the front end of the intermediate shaft 1 through a thread.
In order to protect the hammer 554 and the spacer 555, in this embodiment, a protective cushion plate (not shown) is detachably disposed in the hammer crusher, and the protective cushion plate is located below the rotor assembly 55 of the hammer crusher; in order to facilitate the detachment and installation of the hammer pin 553, in this embodiment, as shown in fig. 7, a pin detachment and installation hole 511 is reserved on a front wall plate 51 of the hammer mill, a hole blocking cover 53 is disposed on the front wall plate 51 through a blocking cover screw 52, and the hole blocking cover 53 is disposed opposite to the pin detachment and installation hole 511.
As described in the background art, as shown in fig. 1, the rotor assembly 55 of the hammer mill of the present embodiment is conventional, and includes a hammer frame plate 551, a rotor 552, a hammer pin 553, a hammer blade 554 and a spacer 555, wherein a plurality of hammer frame plates 551 are sequentially arranged on the rotor 552 along the axial direction of the rotor 552, the hammer pin 553 passes through a pin shaft mounting hole on the hammer frame plate 551 and is fixed on the hammer frame plate 551, a plurality of hammer pin shafts 553 are sequentially arranged around the circumferential direction of the rotor 552, the hammer blade 554 is mounted on the hammer pin shaft 553, the hammer blade 554 is between the hammer blades 554, and the space between the hammer blade 554 and the hammer frame plate 551 is limited by the spacer 555; the motor 56 that drives the rotor 552 is mounted on the rear wall plate 54 side of the hammer mill.
The working principle is as follows:
as shown in fig. 5 and 8, when the hammer pin 553 is removed: firstly, the connecting piece 3 is selected according to the size of the internal thread at the end part of the hammer pin 553, during operation, an operator only needs to stand on the front wall plate 51 side (the side usually has a large space during the actual feed factory layout) to operate, then the hole blocking cover 53 is opened, the operator manually rotates the rotor assembly 55 until the hammer pin 553 to be disassembled is opposite to the pin disassembling and assembling hole 511 so as to expose the end part of the hammer pin 553 to be disassembled, then the front end of the connecting piece 3 is fixedly connected with the end part of the hammer pin 553 through threads (the hammer pin 553 can be provided with corresponding internal threads at two ends during the manufacturing process, firstly, the hammer pin 553 needs to be fixed during the heat treatment process and is convenient to disassemble and assemble), the operator holds the antiskid sleeve 4 by hand and slides the movable impact block 2 outwards, the inertia of the movable impact block 2 impacts the second boss 11 so as to drive the hammer pin 553 to move outwards and pull out the hammer pin slowly, meanwhile, another operator takes down the hammer piece 554 and the spacer 555 from the hammer pin shaft 553, if the hammer piece 554 and/or the spacer 555 accidentally fall off, the protective cushion plate can receive the hammer piece 554 and/or the spacer 555, and the hammer piece 554 and/or the spacer 555 are effectively prevented from falling into conveying equipment below the pulverizer;
as shown in fig. 6 and 9, when the hammer pin 553 is installed: firstly, the connecting piece 3 is selected according to the size of the internal thread at the end part of the hammer pin 553, during operation, an operator only needs to stand on the side of the front wall plate 51 (the side usually has a large space during the layout of an actual feed factory) to operate, then the hole blocking cover 53 is opened, the operator manually rotates the rotor assembly 55 until the hammer pin 553 to be installed is opposite to the pin dismounting hole 511 so as to expose the end part of the hammer pin 553 to be installed, then the front end of the connecting piece 3 is fixedly connected with the end part of the hammer pin 553 through threads (the hammer pin 553 can be provided with corresponding internal threads at two ends during the manufacturing process, firstly, the hammer pin 553 needs to be fixed during the heat treatment process and is convenient to dismount, the operator holds the anti-skid sleeve 4 by hand and slides the movable impact block 2 inwards, the first boss 31 is impacted by the inertia of the movable impact block 2, so that the hammer pin 553 moves inwards to push the hammer pin 553 slowly, meanwhile, another operator installs the hammer blade 554 and the spacer 555 to the hammer pin shaft 553, and if the hammer blade 554 and/or the spacer 555 are accidentally dropped, the protective cushion plate can catch the hammer blade 554 and/or the spacer 555, and the hammer blade 554 and/or the spacer 555 are effectively prevented from dropping into conveying equipment below the pulverizer.
In the above-mentioned operation process, operating personnel utilizes the inertia of activity striking piece 2, only needs to use less strength just can make hammer pin 553 pull out and push, and need not to operate in the narrow space of back wallboard 54 side, and operating personnel need not to lean on one's side and/or squat down, and normal posture can be operated, accords with human engineering, greatly improves operating efficiency and operating personnel and experiences.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a quick assembly disassembly hammer pin axle device for hammer mill which characterized in that: including jackshaft (1), activity striking piece (2) and connecting piece (3), the tip of hammer pin axle (553) is provided with the internal thread, the front end of connecting piece (3) be provided with the internal thread complex external screw thread of hammer pin axle (553) tip, the rear end of connecting piece (3) can be dismantled with the front end of jackshaft (1) and be connected, the rear end of connecting piece (3) is provided with first boss (31), the rear end of jackshaft (1) is provided with second boss (11), activity striking piece (2) slip cover is established on jackshaft (1), just activity striking piece (2) set up between first boss (31) and second boss (11).
2. The quick release hammer pin shaft device for a hammer mill according to claim 1, wherein: activity striking block (2) include round tube portion (21) and hit a portion (22), round tube portion (21) with hit a portion (22) and pass through welded fastening and connect, round tube portion (21) are seamless steel pipe, jackshaft (1) slides in proper order and passes and hit a portion (22) and round tube portion (21), it is close to second boss (11) and sets up to hit a portion (22).
3. The quick release hammer pin shaft device for a hammer mill according to claim 2, wherein: the anti-skidding pipe is characterized in that an anti-skidding sleeve (4) is arranged on the round pipe part (21), and the anti-skidding sleeve (4) is made of rubber.
4. The quick-release hammer pin shaft device for a hammer mill according to claim 1, 2 or 3, wherein: the rear end of the connecting piece (3) is detachably connected with the front end of the intermediate shaft (1) through threads.
5. The quick-release hammer pin shaft device for a hammer mill according to claim 1, 2 or 3, wherein: the connecting piece (3) is fixedly connected with the first boss (31) through welding; the intermediate shaft (1) and the second boss (11) are fixedly connected through welding.
6. The quick-release hammer pin shaft device for a hammer mill according to claim 2 or 3, wherein: the first boss (31), the second boss (11) and the bump part (22) are all circular.
7. A quick release hammer pin shaft assembly for a hammer mill according to claim 1, 2 or 3, wherein: the hammer mill is internally detachably provided with a protective base plate, and the protective base plate is positioned below a rotor assembly (55) of the hammer mill.
8. A quick release hammer pin shaft assembly for a hammer mill according to claim 1, 2 or 3, wherein: the hammer mill is characterized in that a hinge pin dismounting hole (511) is reserved in a front wall plate (51) of the hammer mill, a hole blocking cover (53) is arranged on the front wall plate (51) through a blocking cover screw (52), and the hole blocking cover (53) is arranged opposite to the hinge pin dismounting hole (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220424778.5U CN217164639U (en) | 2022-03-01 | 2022-03-01 | Quick-mounting-dismounting hammer pin shaft device for hammer mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220424778.5U CN217164639U (en) | 2022-03-01 | 2022-03-01 | Quick-mounting-dismounting hammer pin shaft device for hammer mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217164639U true CN217164639U (en) | 2022-08-12 |
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ID=82739010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220424778.5U Active CN217164639U (en) | 2022-03-01 | 2022-03-01 | Quick-mounting-dismounting hammer pin shaft device for hammer mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217164639U (en) |
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2022
- 2022-03-01 CN CN202220424778.5U patent/CN217164639U/en active Active
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