CN218760705U - Large-bore rotary clamping cylinder - Google Patents

Large-bore rotary clamping cylinder Download PDF

Info

Publication number
CN218760705U
CN218760705U CN202222798615.6U CN202222798615U CN218760705U CN 218760705 U CN218760705 U CN 218760705U CN 202222798615 U CN202222798615 U CN 202222798615U CN 218760705 U CN218760705 U CN 218760705U
Authority
CN
China
Prior art keywords
rotary
cylinder
rotating shaft
clamping cylinder
piston rod
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.)
Active
Application number
CN202222798615.6U
Other languages
Chinese (zh)
Inventor
褚春旺
吕慧涛
金立国
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.)
Dongguan Yiheda Automation Co Ltd
Original Assignee
Dongguan Yiheda Automation 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.)
Filing date
Publication date
Application filed by Dongguan Yiheda Automation Co Ltd filed Critical Dongguan Yiheda Automation Co Ltd
Priority to CN202222798615.6U priority Critical patent/CN218760705U/en
Application granted granted Critical
Publication of CN218760705U publication Critical patent/CN218760705U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Jigs For Machine Tools (AREA)

Abstract

The utility model belongs to the technical field of clamping cylinders, and discloses a large-cylinder-diameter rotary clamping cylinder which comprises a rear cover; the rotary driver is positioned in the rear cover and used for providing driving force to ensure that subsequent work is carried out; a rotating shaft located at one side of the rotary driver for assisting the rotary driver to work; a connecting block located outside the rotating shaft for fixing the rotary driver and the rear cover; a connecting rod located outside the rotating shaft. According to the large-cylinder-diameter rotary clamping cylinder, the linear motion cylinder and the rotary driver are combined by applying the group of sliding rods with the key grooves and the connecting rod mechanism, so that the functions of plane rotation and linear pressing and clamping are achieved, the rotation stroke of the large-cylinder-diameter rotary clamping cylinder is zero, pressing and clamping after plane rotation can be achieved, the large-cylinder-diameter rotary clamping cylinder is suitable for occasions with large cylinder diameters and large clamping force, and the rotation angle has a large adjustment range.

Description

Large-bore rotary clamping cylinder
Technical Field
The utility model relates to a die clamping cylinder technical field specifically is a big jar footpath rotary clamping cylinder.
Background
In related stations in the fields of automatic production, assembly, detection, hardware machining and the like, part of products and workpieces need to be strongly clamped when being processed or detected, and a clamping arm needs to rotate by a certain angle to avoid the operation of other parts in equipment when being loosened, so that the large-cylinder-diameter rotary clamping composite cylinder is produced;
at present, the rotary clamping cylinder on the market generally realizes rotation and clamping through a guide pin and a piston rod which are orthogonally arranged, a continuous guide groove is arranged on the piston rod, the piston rod is pressed down while rotating under the constraint of the guide pin or pressed down after plane rotation, but the clamping cylinder on the market still has the following problems:
in the clamping cylinder on the market at present, because the guide groove is arranged on the piston rod, for a common rotary clamping cylinder, the larger the cylinder diameter is, the larger the diameter of the piston rod is, so the longer the rotary stroke is, the longer the guide groove stroke is needed for rotating the same angle, in addition, the rotary angle of the clamping cylinder is constant regardless of the common rotary clamping cylinder or the plane rotary clamping cylinder, and the angle rotary range is smaller.
Aiming at the problems, the novel clamping cylinder is innovatively designed on the basis of the original clamping cylinder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a big footpath rotary clamping cylinder to the clamping cylinder rotation range on the existing market who proposes in solving above-mentioned background is less, the longer problem of rotatory stroke.
In order to achieve the above object, the utility model provides a following technical scheme: a large-diameter rotary clamping cylinder comprises a cylinder body,
a rear cover;
the rotary driver is positioned in the rear cover and used for providing driving force to ensure that subsequent work is carried out;
a rotating shaft located at one side of the rotary driver for assisting the rotary driver to work;
a connecting block located outside the rotating shaft for fixing the rotary driver and the rear cover;
a connecting rod located outside the rotating shaft for fixing the rotating shaft;
the piston rod is positioned on one side of the rotating shaft and is used for being matched with the rotating shaft to work; and
and the clamping arm is positioned on one side of the piston rod and is used for clamping a workpiece.
Preferably, a front cover is further arranged on one side of the rear cover, and the rear cover and the front cover are integrally installed.
Preferably, the rotary driver is connected with the rotary shaft in a key connection mode, and the rotary driver and the connecting block are integrally installed.
Preferably, a sliding rod is further disposed outside the rotating shaft, and the rotating shaft and the sliding rod are fixedly connected.
Preferably, the connecting block and the rear cover are integrally installed, and the size of the connecting block is larger than that of the rotary driver.
Preferably, the connecting rod and the sliding rod are in sliding connection through a key groove structure, and the connecting rod and the front cover are in rotating connection.
Preferably, a sealing element is arranged on the outer side of the piston rod, the piston rod is tightly attached to the sealing element, and the piston rod is connected with the sealing element in a sliding mode.
Preferably, the piston rod and the sliding rod integrally rotate through the connecting rod, and the piston rod is connected with the front cover in a sliding mode.
Preferably, a fixing nut is arranged on one side of the clamping arm, and the fixing nut is composed of a bolt and a nut.
Preferably, the bolt of the fixing nut is connected with the piston rod in a threaded manner, and the fixing nut is connected with the clamping arm in a threaded manner.
Compared with the prior art, the beneficial effects of the utility model are that: the large-diameter rotary clamping cylinder is provided with a clamping cylinder,
through the application of a group of sliding rods with key grooves and a connecting rod mechanism, the linear motion cylinder is combined with a rotary driver, so that the functions of plane rotation and linear downward pressing and clamping are realized, the rotation stroke is zero, downward pressing and clamping after plane rotation can be realized, the device is suitable for occasions with large cylinder diameters and large clamping force, and the rotation angle has a large adjustment range.
Drawings
FIG. 1 is a schematic view of the loosening spatial structure of the clamping arm of the present invention;
FIG. 2 is a schematic view of the clamping arm clamping structure of the present invention;
FIG. 3 is a schematic view of the overall three-dimensional structure of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the piston rod of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the connecting rod of the present invention.
In the figure: 1. a rear cover; 2. a front cover; 3. a rotary driver; 4. a rotating shaft; 5. connecting blocks; 6. a seal member; 7. a connecting rod; 8. a piston rod; 9. a thrust bearing; 10. a clamp arm; 11. fixing a nut; 12. a slide bar.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a large bore rotary clamping cylinder includes,
a rear cover 1;
the rotary driver 3 is positioned in the rear cover 1 and used for providing driving force to ensure that subsequent work is carried out;
a rotation shaft 4 located at one side of the rotation driver 3 for assisting the rotation driver 3 to work;
a connecting block 5 located outside the rotating shaft 4 for fixing the rotary driver 3 and the rear cover 1;
a connecting rod 7 located outside the rotating shaft 4 for fixing the rotating shaft 4;
a piston rod 8 located at one side of the rotary shaft 4 for working in cooperation with the rotary shaft 4; and
and a clamping arm 10 located at one side of the piston rod 8 for clamping the workpiece.
One side of back lid 1 still is provided with protecgulum 2, and back lid 1 is the integration installation with protecgulum 2, and connecting block 5 is the integration installation with back lid 1, and connecting block 5's size is greater than rotary actuator 3's size, protects rotary actuator 3 through back lid 1 and protecgulum 2, guarantees that follow-up work goes on.
The outside of rotation axis 4 still is provided with slide bar 12, and rotation axis 4 is fixed connection with slide bar 12's connected mode, and connecting rod 7 passes through keyway structure sliding connection with slide bar 12, and connecting rod 7 is connected for rotating with the connected mode of protecgulum 2, through rotation axis 4 and slide bar 12 cooperation to drive connecting rod 7 and carry out work, make subsequent clamp arm 10 carry out work, be favorable to the centre gripping work to go on.
The outside of piston rod 8 is provided with sealing member 6, and piston rod 8 closely laminates with sealing member 6, and the connected mode of piston rod 8 and sealing member 6 is sliding connection, and piston rod 8 is the integration through connecting rod 7 and slide bar 12 and rotates, and the connected mode of piston rod 8 and protecgulum 2 is sliding connection, through the cooperation of piston rod 8 and connecting rod 7, realizes the tight work of clamp arm 10.
One side of clamping arm 10 is provided with fixation nut 11, and fixation nut 11 comprises bolt and nut, and the bolt in fixation nut 11 and the connected mode of piston rod 8 are threaded connection, and fixation nut 11 is threaded connection with the connected mode of clamping arm 10, through fixation nut 11 fixed clamping arm 10 and piston rod 8 to realize quick dismantlement installation work.
The working principle is as follows: according to fig. 1-5, firstly, in the unclamped state of the clamping arm 10, the linear cylinder piston rod 8 extends out, the thrust bearing contacts the cylinder front cover 2 9, and the process of the clamping arm 10 moving from the unclamped state to the clamped state is as follows, the rotating shaft 4 of the rotary driver 3 rotates, the connecting rod 7 and the linear cylinder piston rod 8 are driven by the sliding rod 12 to rotate, the clamping arm 10 also rotates along with the rotating, the piston and the front cover 2 have small plane friction force due to the existence of the thrust bearing 9 during rotation, the linear cylinder piston rod 8 does not rotate during retraction of the linear cylinder piston rod 8 when the linear cylinder piston rod 2 rotates to a specified angle, the cavity of the linear cylinder front cover 2 is ventilated, at this time, the clamping arm 10 moves linearly and clamps downwards along with the retraction of the cylinder piston rod 8, the connecting rod 7 and the sliding rod 12 are connected through the keyway structure, the piston rod 8 does not rotate during the retraction of the linear cylinder piston rod 8, otherwise, the process is the process of moving from the clamped state to the unclamped state, which is the working process of the whole device, and the content which is not described in detail in this specification belongs to the prior art well known by the professional skilled person in the art.
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 (10)

1. A large-diameter rotary clamping cylinder is characterized by comprising,
a rear cover (1);
the rotary driver (3) is positioned in the rear cover (1) and is used for providing driving force to ensure that subsequent work is carried out;
a rotating shaft (4) located at one side of the rotary driver (3) for assisting the rotary driver (3) in working;
a connecting block (5) located outside the rotating shaft (4) for fixing the rotary driver (3) and the rear cover (1);
a connecting rod (7) located outside the rotating shaft (4) for fixing the rotating shaft (4);
the piston rod (8) is positioned on one side of the rotating shaft (4) and is used for being matched with the rotating shaft (4) to work; and
and the clamping arm (10) is positioned on one side of the piston rod (8) and is used for clamping a workpiece.
2. A large bore rotary clamping cylinder as defined in claim 1 wherein: one side of the rear cover (1) is also provided with a front cover (2), and the rear cover (1) and the front cover (2) are integrally installed.
3. A large bore rotary clamping cylinder as defined in claim 1 wherein: the rotary driver (3) is connected with the rotating shaft (4) in a key mode, and the rotary driver (3) and the connecting block (5) are integrally installed.
4. A large bore rotary clamping cylinder according to claim 2, wherein: the outer side of the rotating shaft (4) is also provided with a sliding rod (12), and the rotating shaft (4) is fixedly connected with the sliding rod (12).
5. A large bore rotary clamping cylinder as defined in claim 1 wherein: the connecting block (5) and the rear cover (1) are integrally installed, and the size of the connecting block (5) is larger than that of the rotary driver (3).
6. A large bore rotary clamping cylinder according to claim 4, wherein: the connecting rod (7) is in sliding connection with the sliding rod (12) through a key groove structure, and the connecting rod (7) is in rotating connection with the front cover (2).
7. A large bore rotary clamping cylinder as defined in claim 1 wherein: the outer side of the piston rod (8) is provided with a sealing element (6), the piston rod (8) is tightly attached to the sealing element (6), and the piston rod (8) is connected with the sealing element (6) in a sliding mode.
8. A large bore rotary clamping cylinder according to claim 4, wherein: the piston rod (8) and the sliding rod (12) integrally rotate through the connecting rod (7), and the piston rod (8) is connected with the front cover (2) in a sliding mode.
9. A large bore rotary clamping cylinder as defined in claim 1 wherein: and one side of the clamping arm (10) is provided with a fixing nut (11), and the fixing nut (11) consists of a bolt and a nut.
10. A large bore rotary clamping cylinder according to claim 9, wherein: the connection mode of the bolt in the fixing nut (11) and the piston rod (8) is threaded connection, and the connection mode of the fixing nut (11) and the clamping arm (10) is threaded connection.
CN202222798615.6U 2022-10-24 2022-10-24 Large-bore rotary clamping cylinder Active CN218760705U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222798615.6U CN218760705U (en) 2022-10-24 2022-10-24 Large-bore rotary clamping cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222798615.6U CN218760705U (en) 2022-10-24 2022-10-24 Large-bore rotary clamping cylinder

Publications (1)

Publication Number Publication Date
CN218760705U true CN218760705U (en) 2023-03-28

Family

ID=85701024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222798615.6U Active CN218760705U (en) 2022-10-24 2022-10-24 Large-bore rotary clamping cylinder

Country Status (1)

Country Link
CN (1) CN218760705U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113103049A (en) * 2021-04-27 2021-07-13 深圳市盛川智能科技有限公司 Conveying device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113103049A (en) * 2021-04-27 2021-07-13 深圳市盛川智能科技有限公司 Conveying device

Similar Documents

Publication Publication Date Title
CN212371092U (en) Clamping and rotating device for forging processing
CN218760705U (en) Large-bore rotary clamping cylinder
CN106238515A (en) A kind of aluminium alloy extrusions moment corrects equipment
CN111546278A (en) Open hydraulic wrench
CN209903247U (en) Clamping device
CN206009478U (en) A kind of aluminium alloy extrusions torque correction equipment
CN106425582B (en) A kind of special fixture of milling connecting rod split surface
CN216152188U (en) Hydro-cylinder overhauls tool
CN201592259U (en) Programmable hydraulic servo locking-type tailstock
US8152148B2 (en) Device for positioning components
CN215967186U (en) Turnover welding tool
CN109877741A (en) A kind of big component adjustable hydraulic clamp and clamping means
CN213054563U (en) Open hydraulic wrench
CN214924541U (en) Engineering machinery bearing installation device
CN211867066U (en) Servo rifle equipment of screwing up
CN202344251U (en) Self-adaptive blank contour clamping mechanism
CN108838655B (en) Method for compressing piston pressing device of brake caliper
CN109093352B (en) Compressing mechanism for piston pressing device of brake caliper
CN118513824B (en) EPB calliper dust cover assembly quality
CN217992226U (en) Positioning and clamping tool for production and processing of hydraulic cylinder
CN216370220U (en) Swash plate clamp
CN216065732U (en) Clamp for chemical milling of titanium alloy thin-wall cylinder part
CN219053505U (en) Automatic compaction equipment
CN221824192U (en) Separating power cylinder for die
CN210615966U (en) Follow-up protection tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant