CN112919090A - Speed chain blocking device suitable for multiple paths - Google Patents

Speed chain blocking device suitable for multiple paths Download PDF

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Publication number
CN112919090A
CN112919090A CN202110270932.8A CN202110270932A CN112919090A CN 112919090 A CN112919090 A CN 112919090A CN 202110270932 A CN202110270932 A CN 202110270932A CN 112919090 A CN112919090 A CN 112919090A
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CN
China
Prior art keywords
sleeved
cavity
lifting base
cylindrical
top surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110270932.8A
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Chinese (zh)
Inventor
刘可
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Shengnuo Automation Equipment Co ltd
Original Assignee
Hefei Shengnuo Automation Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Hefei Shengnuo Automation Equipment Co ltd filed Critical Hefei Shengnuo Automation Equipment Co ltd
Priority to CN202110270932.8A priority Critical patent/CN112919090A/en
Publication of CN112919090A publication Critical patent/CN112919090A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
    • B65G47/68—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor
    • B65G47/71—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor the articles being discharged or distributed to several distinct separate conveyors or to a broader conveyor lane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/88—Separating or stopping elements, e.g. fingers
    • B65G47/8807—Separating or stopping elements, e.g. fingers with one stop
    • B65G47/8815—Reciprocating stop, moving up or down in the path of the article

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)

Abstract

The invention relates to the technical field of conveying devices, and particularly discloses a multi-speed chain blocking device suitable for multiple ways, wherein a telescopic end of a lifting telescopic cylinder sleeved on the top surface of a base is connected with the bottom surface of a lifting base, a horizontal gear ring is sleeved at the bottom end of a direction-adjusting driving part vertically rotatably sleeved at four corners of the top surface of the lifting base, a driving roller is rotatably sleeved on the inner side wall of a notch formed in the top of the direction-adjusting driving part, a vertical gear ring is arranged on the bottom surface of an annular groove in the middle of the driving roller, a power output end of a horizontal motor sleeved on the side wall of the direction-adjusting driving part is sleeved with a vertical gear meshed with the vertical gear ring, a vertical motor sleeved on the bottom surface of an inner cavity of the lifting base drives a horizontal gear meshed with the horizontal gear ring, a rotary table rotatably sleeved at the center of the top surface of the lifting base is slidably sleeved with; the problem that the blocking device of the speed-multiplying chain conveyor cannot realize multi-way transfer is solved.

Description

Speed chain blocking device suitable for multiple paths
Technical Field
The invention relates to the technical field of conveying devices, in particular to a speed chain blocking device suitable for multiple paths.
Background
The production line formed by the speed-multiplying chain assembly line is generally called as a speed-multiplying chain conveyor of a self-flowing conveying system, and is mainly used for conveying materials in an assembly and processing production line, and the conveying principle is that the speed-increasing function of the speed-multiplying chain is applied, so that a tooling plate bearing goods on the tooling plate can run quickly, and the tooling plate is stopped at a corresponding operation position through a stopper; or the functions of power and free movement, moving, transposition, special line and the like are completed through corresponding instructions.
At present, a blocking device used by a wide speed chain conveyor can only meet the requirements of pause of a tooling plate and transfer of a single processing path, but cannot meet the requirement of multi-path transfer.
Disclosure of Invention
Aiming at solving the problem that the blocking device of the speed-multiplying chain conveyor in the prior art cannot realize multi-path transfer, the invention designs the speed-multiplying chain blocking device suitable for multiple paths.
In order to achieve the purpose, the invention provides the following technical scheme: a speed chain blocking device suitable for multiple ways comprises a base, a lifting base, a direction adjusting driving part, a vertical motor, a gas pump for charging and pumping, a turntable and a sucker fixing part, wherein a lifting telescopic cylinder is sleeved on the upper surface of the base;
the bottom surface of the lifting base is connected with the telescopic end of the lifting telescopic cylinder;
the direction-adjusting driving part is vertically sleeved at the position, close to four corners, of the top surface of the lifting base in a rotating mode respectively, a horizontal gear ring is fixedly sleeved at the bottom end, penetrating through the top surface of the inner cavity of the lifting base, of the direction-adjusting driving part, a notch is formed in the middle position of the top of the direction-adjusting driving part, driving rollers are rotatably sleeved on two side walls of the inner cavity of the notch in a rotating mode, an annular groove is formed in the middle of each driving roller, a vertical gear ring is arranged on the bottom surface of the annular groove, a horizontal motor is sleeved on the side wall, close to the bottom end, of the direction-adjusting driving part, and a vertical;
the bottom end of the vertical motor is fixedly sleeved at the central position of the bottom surface of the inner cavity of the lifting base, the power output end of the vertical motor is fixedly sleeved with a horizontal gear, and the horizontal gear is meshed with the horizontal gear ring;
the air pump for air inflation and air suction is fixedly arranged on the top surface of the inner cavity of the lifting base, and a port on one side of the air pump for air inflation and air suction is sleeved with the central position of the top surface of the inner cavity of the lifting base;
the bottom end of the rotary table is rotatably sleeved at the central position of the top surface of the lifting base, a bottom cavity is arranged at the bottom of the rotary table, an air hole for communicating the bottom cavity with the port of the air pump for air inflation and air exhaust is formed in the central position of the top of the lifting base, a plurality of cylindrical cavities are vertically arranged above the bottom cavity of the rotary table, and the bottom surfaces of the cylindrical cavities and the top ends of the side walls of the cylindrical cavities are communicated with the bottom cavity through pore channels respectively;
the sucker fixing part comprises a sucker, a vertical pipe and a piston disc, the vertical pipe is sleeved on the top surface of the rotary table corresponding to the cylindrical cavity in a sliding mode along the vertical direction, the bottom end of the sucker is in butt joint with the top end of the vertical pipe, the piston disc is fixedly sleeved on the bottom end of the vertical pipe, and the piston disc is sleeved with the cylindrical cavity in a sliding mode.
Preferably, the positions, close to four corners, of the top surface of the base are respectively provided with a cylindrical groove, and the bottom end of the lifting telescopic cylinder is fixedly sleeved in the cylindrical grooves.
Preferably, the lifting base comprises a box body and a strip-shaped block, the strip-shaped block is clamped at the openings at two side positions of the top end of the box body, a first screw hole is vertically formed in the side wall of the opening of the box body, the side face of the strip-shaped block corresponds to the position of the first screw hole, a second screw hole is vertically formed in the position of the side wall of the box body, the second screw hole penetrates through two side walls of the strip-shaped block, a first semi-cylindrical groove is formed in the position, close to the front end and the position, close to the rear end of the side wall of the opening of the box body, of the side wall of the strip-shaped block respectively along the vertical direction, a second semi-cylindrical groove is formed in the position, close to the front end and the position, close to the rear end.
Preferably, the bottom position that is close to of first semicircle cylinder recess inner wall has seted up first semi-annular groove, the bottom position that is close to of second semicircle cylinder recess inner wall has seted up second semi-annular groove, it is provided with annular arch to transfer to the outlying middle part position that is close to of drive division, the bellied external diameter of annular equals the diameter of first semi-annular groove and second semi-annular groove.
Preferably, the middle position of the bottom surface of the rotary table is vertically and fixedly connected with a bottom cylinder, the bottom cylinder is rotatably sleeved at the middle position of the top surface of the lifting base, and a central cavity of the bottom cylinder is communicated with the bottom cavity and the air hole respectively.
Preferably, a first pore passage is arranged in the center of the bottom surface of the cylindrical cavity, the first pore passage is communicated with the bottom cavity, a second pore passage is arranged at the top end of the side wall of the cylindrical cavity, and the other end of the second pore passage is communicated with the bottom cavity.
Preferably, an air-tight sealing structure is arranged between the outer wall of the piston disc and the inner wall of the cylindrical cavity.
Preferably, the thickness of the piston disc is larger than the distance between the lower edge of the top port of the second hole passage and the top surface of the cylindrical cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. the blocking device realizes the lifting of the lifting base through the lifting telescopic cylinder, so that the lifting base can jack up the tooling plate, and the tooling plate is separated from the conveying station; drive action through vertical motor makes four transfer to certain angles of drive division can arbitrary rotation, and horizontal motor's drive action makes drive gyro wheel order about the frock board to the required way in to realize the effect of multi-path transportation.
2. The direction-adjusting driving part rotates under the driving action, so that the driving roller is positioned on the tangential direction of the central circle of the bottom surface of the tooling plate, and the rotation of the driving roller can drive the tooling plate to horizontally rotate.
3. The blocking device is provided with the sucker fixing part which can realize up-and-down movement by controlling the air pressure difference through the air pump for air inflation and air suction, and the sucker fixing part can adsorb and fix the bottom surface of the tooling plate, so that the tooling plate can be kept stable in the process of rotating the direction adjusting driving part.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 4 is a schematic perspective view of a base according to the present invention;
FIG. 5 is a schematic perspective view of the case of the present invention;
FIG. 6 is a schematic perspective view of a bar block according to the present invention;
FIG. 7 is a schematic front view of the direction-adjusting driving portion of the present invention;
FIG. 8 is a schematic top view of the direction-adjusting driving portion of the present invention;
fig. 9 is a schematic perspective view of a fixing portion of the suction cup of the present invention.
In the figure: 10-a base; 101-a cylindrical groove; 11-a lifting telescopic cylinder; 20-a lifting base; 21-a box body; 2101-air holes; 211-a first semi-cylindrical recess; 212-a first screw hole; 213-a first semi-annular groove; 22-a bar block; 221-a second semi-cylindrical groove; 222-a second screw hole; 223-a second semi-annular groove; 30-direction-adjusting driving part; 301-notches; 31-horizontal gear ring; 32-driving the roller; 321-an annular groove; 322-vertical gear ring; 33-a horizontal motor; 34-a vertical gear; 35-an annular projection; 40-a vertical motor; 41-horizontal gear; 50-air pump for air inflation and air exhaust; 60-a turntable; 61-bottom cylinder; 62-bottom cavity; 63-cylindrical cavity; 64-a first porthole; 65-a second porthole; 70-a suction cup fixing part; 71-a sucker; 72-a standpipe; 73-piston disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution, a multi-speed chain blocking device suitable for multiple paths, which includes a base 10, a lifting base 20, a direction-adjusting driving part 30, a vertical motor 40, a dual-purpose air pump 50 for inflation and evacuation, a turntable 60 and a suction cup fixing part 70, wherein a lifting telescopic cylinder 11 is sleeved on the upper surface of the base 10;
wherein, the bottom surface of the lifting base 20 is connected with the telescopic end of the lifting telescopic cylinder 11;
the direction-adjusting driving part 30 is respectively vertically sleeved at the positions, close to four corners, of the top surface of the lifting base 20 in a rotating mode, the direction-adjusting driving part 30 penetrates through the bottom end of the top surface of an inner cavity of the lifting base 20 and is fixedly sleeved with a horizontal gear ring 31, the middle position of the top of the direction-adjusting driving part 30 is provided with a notch 301, two side walls of the inner cavity of the notch 301 are rotatably sleeved with driving rollers 32, the middle of each driving roller 32 is provided with an annular groove 321, the bottom surface of each annular groove 321 is provided with a vertical gear ring 322, the side wall, close to the bottom end, of the direction-adjusting driving part 30 is sleeved with a horizontal motor 33, and;
wherein, the bottom end of the vertical motor 40 is fixedly sleeved at the central position of the bottom surface of the inner cavity of the lifting base 20, the power output end of the vertical motor 40 is fixedly sleeved with a horizontal gear 41, and the horizontal gear 41 is meshed with the horizontal gear ring 31;
wherein, the air pump 50 for both air inflation and air exhaust is fixedly arranged on the top surface of the inner cavity of the lifting base 20, and a port at one side of the air pump 50 for both air inflation and air exhaust is sleeved with the central position of the top surface of the inner cavity of the lifting base 20;
the bottom end of the rotating disc 60 is rotatably sleeved at the central position of the top surface of the lifting base 20, a bottom cavity 62 is arranged at the bottom of the rotating disc 60, an air hole 2101 for communicating the bottom cavity 62 with the port of the air pump 50 for air inflation and air exhaust is arranged at the central position of the top of the lifting base 20, a plurality of cylindrical cavities 63 are vertically arranged above the bottom cavity 62 of the rotating disc 60, and the bottom surfaces of the cylindrical cavities 63 and the top ends of the side walls of the cylindrical cavities 63 are respectively communicated with the bottom cavity 62 through a hole channel;
wherein, sucking disc fixed part 70 includes sucking disc 71, standpipe 72 and piston disc 73, and the standpipe 72 slides along vertical direction and cup joints in the carousel 60 top surface department that cylinder cavity 63 corresponds, and the bottom of sucking disc 71 and the top butt joint of standpipe 72, the fixed bottom at standpipe 72 of cup jointing of piston disc 73, and piston disc 73 slides with cylinder cavity 63 and cup joints.
In this embodiment, the positions near the four corners of the top surface of the base 10 are respectively provided with a cylindrical groove 101, and the bottom end of the telescopic lifting cylinder 11 is fixedly sleeved in the cylindrical groove 101.
In this embodiment, the lifting base 20 includes the box 21 and the bar-shaped block 22, the bar-shaped block 22 is connected to the opening at the two sides of the top end of the box 21, the first screw hole 212 has been vertically opened on the side wall of the opening of the box 21, the second screw hole 222 has been vertically opened respectively at the position corresponding to the first screw hole 212 on the side surface of the bar-shaped block 22, the second screw hole 222 penetrates through the two side walls of the bar-shaped block 22, the first semi-cylindrical groove 211 has been opened along the vertical direction respectively near the front end and near the rear end of the side wall of the opening of the box 21, the second semi-cylindrical groove 221 has been opened respectively near the front end and near the rear end of the inner side wall of the bar-shaped block 22, the direction-adjusting driving part 30 is sleeved in the cylindrical groove formed.
In this embodiment, the first semicircular groove 213 is opened at a position close to the bottom end of the inner wall of the first semicircular groove 211, the second semicircular groove 223 is opened at a position close to the bottom end of the inner wall of the second semicircular groove 221, the annular protrusion 35 is arranged at a position close to the middle of the periphery of the driving portion 30, and the outer diameter of the annular protrusion 35 is equal to the diameters of the first semicircular groove 213 and the second semicircular groove 223.
In this embodiment, the bottom cylinder 61 is fixedly connected to the center of the bottom surface of the turntable 60, the bottom cylinder 61 rotates to be sleeved on the center of the top surface of the lifting base 20, and the central cavity of the bottom cylinder 61 is communicated with the bottom cavity 62 and the air vent 2101 respectively.
In this embodiment, a first hole 64 is disposed in a central position of the bottom surface of the cylindrical cavity 63, the first hole 64 is communicated with the bottom cavity 62, a second hole 65 is disposed at the top end of the side wall of the cylindrical cavity 63, and the other end of the second hole 65 is communicated with the bottom cavity 62.
In this embodiment, an airtight structure is formed between the outer wall of the piston disc 73 and the inner wall of the cylindrical cavity 63.
In this embodiment, the thickness of the piston disc 73 is larger than the distance between the lower edge of the top opening of the second duct 65 and the top surface of the cylindrical cavity 63.
The working principle is as follows: when the lifting telescopic cylinder 11 is used, when a tooling plate for bearing cargos is conveyed to the position right above the lifting base 20 along with the double-speed chain conveyor, the lifting telescopic cylinder 11 extends to enable the lifting base 20 to integrally lift up so as to lift the tooling plate and enable the tooling plate to be separated from a conveying station; the vertical motor 40 enables the direction-adjusting driving part 30 to rotate for a certain angle through the meshing action of the horizontal gear 41 and the horizontal gear ring 31, so that the rotating direction of the driving roller 32 is positioned on the tangential direction of the center circle of the bottom surface of the tooling plate, and the rotation of the driving roller 32 can drive the tooling plate to horizontally rotate; before that, the air pump 50 for air inflation and air exhaust pumps the inside of the bottom cavity 62 into a negative pressure state through the air hole 2101, the second hole 65 causes a negative pressure to be formed in the cylindrical cavity 63 above the piston disc 73, so that the suction disc fixing portion 70 is lifted, the suction disc 71 is in contact with the bottom surface of the tooling plate, the inside of the suction disc 71 is pumped into a vacuum state through the first hole 64, the tooling plate is firmly adsorbed on the suction disc 71, and the rotating disc 60 rotates relative to the lifting base 20 while the tooling plate rotates. According to the direction of the path to be converted of the tooling plate, the vertical motor 40 drives the horizontal gear 41 to rotate for a certain angle again; the rotating horizontal gear 41 drives the direction-adjusting driving part 30 to rotate by a corresponding angle through the horizontal gear ring 31; then the horizontal motor 33 makes the driving roller 32 rotate through the meshing action of the vertical gear 34 and the vertical gear ring 34; before that, the air pump 50 is changed to an air-filled state, so that the suction of the tool plate by the suction cup 71 is released, and the tool plate is conveyed to a predetermined path by the rotating drive roller 32. By separating the bar block 22 from the case 21, the direction adjustment drive unit 30 can be taken out for maintenance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A multiple speed chain blocking device adapted for multiple passes, comprising:
a base (10);
a lifting base (20);
a direction-adjusting drive unit (30);
a vertical motor (40);
an air pump (50) for both air inflation and air suction;
a turntable (60) and
the sucker fixing part (70), the upper surface of the base (10) is sleeved with a lifting telescopic cylinder (11);
the bottom surface of the lifting base (20) is connected with the telescopic end of the lifting telescopic cylinder (11);
the direction-adjusting driving part (30) is vertically sleeved at the position, close to four corners, of the top surface of the lifting base (20) in a rotating mode respectively, the direction-adjusting driving part (30) penetrates through the bottom end of the top surface of an inner cavity of the lifting base (20) and is fixedly connected with a horizontal gear ring (31) in a sleeved mode, a notch (301) is formed in the middle of the top of the direction-adjusting driving part (30), driving rollers (32) are rotatably sleeved on two side walls of the inner cavity of the notch (301), an annular groove (321) is formed in the middle of each driving roller (32), a vertical gear ring (322) is arranged on the bottom surface of each annular groove (321), a horizontal motor (33) is sleeved on the side wall, close to the bottom end, of the direction-adjusting driving part (30), and a vertical gear (34) meshed with the vertical gear ring;
the bottom end of the vertical motor (40) is fixedly sleeved at the central position of the bottom surface of the inner cavity of the lifting base (20), the power output end of the vertical motor (40) is fixedly sleeved with a horizontal gear (41), and the horizontal gear (41) is meshed with the horizontal gear ring (31);
the dual-purpose air pump (50) is fixedly arranged on the top surface of the inner cavity of the lifting base (20), and a port on one side of the dual-purpose air pump (50) is sleeved with the center of the top surface of the inner cavity of the lifting base (20);
the bottom end of the rotary table (60) is rotatably sleeved at the central position of the top surface of the lifting base (20), a bottom cavity (62) is arranged at the bottom of the rotary table (60), an air hole (2101) for communicating the bottom cavity (62) with the port of the air pump (50) for air inflation and air exhaust is arranged at the central position of the top of the lifting base (20), a plurality of cylindrical cavities (63) are arranged above the rotary table (60) along the vertical direction, and the bottom surfaces of the cylindrical cavities (63) and the top ends of the side walls of the cylindrical cavities are respectively communicated with the bottom cavity (62) through pore channels;
the sucker fixing part (70) comprises a sucker (71), a vertical pipe (72) and a piston disc (73), the vertical pipe (72) is sleeved on the top surface of the rotary table (60) corresponding to the cylindrical cavity (63) in a sliding mode along the vertical direction, the bottom end of the sucker (71) is in butt joint with the top end of the vertical pipe (72), the piston disc (73) is fixedly sleeved on the bottom end of the vertical pipe (72), and the piston disc (73) is sleeved with the cylindrical cavity (63) in a sliding mode.
2. A multiple speed chain blocking device for multiple passes according to claim 1, wherein: cylindrical grooves (101) are formed in the positions, close to four corners, of the top surface of the base (10), and the bottom end of the lifting telescopic cylinder (11) is fixedly sleeved in the cylindrical grooves (101).
3. A multiple speed chain blocking device for multiple passes according to claim 1, wherein said lifting base (20) comprises:
case (21) and
the bar-shaped block (22), the bar-shaped block (22) is clamped at the notches at the two sides of the top end of the box body (21), a first screw hole (212) is vertically arranged on the side wall of the opening of the box body (21), the side surface of the bar-shaped block (22) is respectively and vertically provided with a second screw hole (222) corresponding to the position of the first screw hole (212), the second screw hole (222) penetrates through two side walls of the strip-shaped block (22), a first semi-cylindrical groove (211) is respectively formed in the position, close to the front end and the rear end, of the side wall of the opening of the box body (21) along the vertical direction, the inner side wall of the strip-shaped block (22) is respectively provided with a second semi-cylindrical groove (221) close to the front end and the rear end, the direction-adjusting driving part (30) is sleeved in a cylindrical groove formed by the first semi-cylindrical groove (211) and the corresponding second semi-cylindrical groove (221).
4. A multiple speed chain blocking device for multiple passes according to claim 3, wherein: first semicircle annular groove (213) have been seted up to the bottom position that is close to of first semicircle cylinder recess (211) inner wall, second semicircle annular groove (223) have been seted up to the bottom position that is close to of second semicircle cylinder recess (221) inner wall, it is provided with annular bulge (35) to transfer to the outlying middle part position that is close to of drive division (30), the external diameter of annular bulge (35) equals the diameter of first semicircle annular groove (213) and second semicircle annular groove (223).
5. A multiple speed chain blocking device suitable for multiple passes according to any one of claims 1 to 4, wherein: the middle position of the bottom surface of the rotary table (60) is vertically and fixedly connected with a bottom cylinder (61), the bottom cylinder (61) is rotatably sleeved at the middle position of the top surface of the lifting base (20), and a central cavity of the bottom cylinder (61) is communicated with the bottom cavity (62) and the air hole (2101) respectively.
6. A multiple speed chain blocking device for multiple passes according to claim 5, wherein: the middle position of cylinder cavity (63) bottom surface is provided with first pore (64), first pore (64) with bottom cavity (62) intercommunication, the top of cylinder cavity (63) lateral wall is provided with second pore (65), the other end in second pore (65) with bottom cavity (62) intercommunication.
7. A multiple speed chain blocking device for multiple passes according to claim 6, wherein: and an air-tight sealing structure is arranged between the outer wall of the piston disc (73) and the inner wall of the cylindrical cavity (63).
8. A multiple speed chain blocking device for multiple passes according to claim 7, wherein: the thickness of the piston disc (73) is larger than the distance between the lower edge of the top hole opening of the second hole channel (65) and the top surface of the cylindrical cavity (63).
CN202110270932.8A 2021-03-12 2021-03-12 Speed chain blocking device suitable for multiple paths Pending CN112919090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110270932.8A CN112919090A (en) 2021-03-12 2021-03-12 Speed chain blocking device suitable for multiple paths

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110270932.8A CN112919090A (en) 2021-03-12 2021-03-12 Speed chain blocking device suitable for multiple paths

Publications (1)

Publication Number Publication Date
CN112919090A true CN112919090A (en) 2021-06-08

Family

ID=76172903

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110270932.8A Pending CN112919090A (en) 2021-03-12 2021-03-12 Speed chain blocking device suitable for multiple paths

Country Status (1)

Country Link
CN (1) CN112919090A (en)

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