CN213352189U

CN213352189U - Hydraulic clamping device for piston rod machining

Info

Publication number: CN213352189U
Application number: CN202022039710.9U
Authority: CN
Inventors: 杨勇
Original assignee: Wuxi Haijike Hydraulic Machinery Co ltd
Current assignee: Wuxi Haijike Hydraulic Machinery Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-04
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a piston rod processing hydraulic clamping device, including first cylinder body and second cylinder body, the inside movable rod that is equipped with that inlays of first cylinder body, and the movable rod runs through in the second cylinder body, and the one end that the second cylinder body was kept away from to the movable rod is provided with the release link, and the inside position department that corresponds with the release link of first cylinder body is provided with the sleeve that resets, and the other end of movable rod is provided with the plectane. Through the sleeve that resets that sets up, the release link, the position sleeve, a plurality of baffles, two hinder oily heads, a plurality of sealing rings and a plurality of circular slot, can strengthen the stability and the sealed effect of hindering oily head, prevent the dislocation oil leak, fixed cover through setting up, the screw rod, the plectane, lug and protection shield, can be in the centre gripping piston rod, lug position is in the first contact of piston rod, the first atress, thereby it promotes to one side to reach the movable rod and makes the extrusion force that the piston rod body received stronger, fixed dynamics is stronger, detachable structure is convenient for change the movable rod simultaneously, reach cost-effective effect.

Description

Hydraulic clamping device for piston rod machining

Technical Field

The utility model relates to a piston rod processing technology field especially relates to piston rod processing hydraulic clamping device.

Background

The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and an air cylinder movement executing component, and the piston rod is a movement component with frequent movement and high technical requirements. Taking a hydraulic oil cylinder as an example, the hydraulic oil cylinder comprises: the cylinder barrel, the piston rod (oil cylinder rod), the piston and the end cover. The quality of the machining quality of the piston rod directly influences the service life and the reliability of the whole product, the piston rod can be clamped when being machined, and the piston rod is prevented from moving when being machined.

Piston rod processing hydraulic clamping device is an operation tool who is used for processing the piston rod, fix the convenient next operation of piston rod through pressing from both sides tightly, current piston rod processing hydraulic clamping device, the movable rod when removing in the hydro-cylinder, the oil leak can take place, lead to wasing difficulty and polluted environment, increase manufacturing cost, and simultaneously, clamping device is easy emergence fracture of movable rod when the operation, lead to whole hydro-cylinder to be out of use and scrap, increase manufacturing cost, secondly, general hydro-cylinder inside can not maintain the clearance greasy dirt, the work efficiency of reduction hydro-cylinder.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model discloses can be in centre gripping piston rod, lug position in the piston rod contacts at first, atress at first to reach the movable rod and promote the extrusion force that makes the piston rod body receive to one side stronger, fixed dynamics is stronger, and the movable rod is convenient for change to detachable structure simultaneously, reaches the effect of practicing thrift the cost.

In order to solve the technical problem, the utility model provides a following technical scheme: a movable rod is embedded in the first cylinder body and penetrates through the second cylinder body, a reset rod is arranged at one end, far away from the second cylinder body, of the movable rod, a reset sleeve is arranged at a position, corresponding to the reset rod, in the first cylinder body, a circular plate is arranged at the other end of the movable rod, a protruding block is uniformly arranged at a position, close to the edge, of one side face, far away from the movable rod, of the circular plate, a protection plate is attached to one side, corresponding to the protruding block, of the circular plate, a first annular plate is arranged at one end, close to the protruding block, in the first cylinder body, a second annular plate is arranged at one end, close to the first cylinder body, in the second cylinder body, a positioning sleeve is arranged at one end, opposite to the second annular plate, in the second cylinder body, a first oil blocking head is arranged at one end, close to the reset rod, of the movable rod, the first one side that hinders the oil head and the release link is relative is provided with the second and hinders the oil head, the movable rod is located the first oil head that hinders and is provided with the baffle between the oil head is hindered to the second.

As a preferred technical scheme of the utility model, the one end that first cylinder body exterior wall is close to the second cylinder body is provided with first flange, the one end that the second cylinder body corresponds with first flange is provided with the second flange, it has the lead screw to evenly run through on the first flange, and the lead screw runs through in the second flange, the equal screw thread in both ends of lead screw has the nut.

As a preferred technical scheme of the utility model, the position department that first crown plate, second crown plate and movable rod correspond the contact all pastes and is equipped with the seal cover, the inside one end of keeping away from the second crown plate of position sleeve pastes and is equipped with the seal cover, the movable rod is located the body of rod between first cylinder body, the second cylinder body and has evenly seted up the circular slot, first cylinder body is located the position department of sleeve below that resets and has seted up first hydraulic fluid port, the second cylinder body is located the position department of position sleeve below and has seted up the second hydraulic fluid port.

As a preferred technical scheme of the utility model, the movable rod is located the baffle both sides body of rod and has all seted up the thread tooth, threaded connection has fixed cover between the movable rod is located first oil head and the first crown plate of hindering.

As an optimal technical scheme of the utility model, a terminal surface that the movable rod corresponds with the plectane is provided with the screw rod, and the screw rod is provided with two, two the screw rod is about movable rod terminal surface central symmetry.

As a preferred technical scheme of the utility model, the fixed slot has been seted up to the position department that the plectane corresponds with the screw rod, the lug is provided with four, threaded connection has the nut on the screw rod is located the inside body of rod of fixed slot.

As an optimized technical scheme of the utility model, the protection shield sets the arc structure to the side relative with the plectane.

As an optimal technical scheme of the utility model, be provided with the sealed crown plate between first flange and the second flange, the equal threaded connection in both ends of lead screw has the nut.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the reset sleeve, the reset rod, the positioning sleeve, the baffles, the two oil blocking heads, the sealing rings and the circular grooves, the stability and the sealing effect of the oil blocking heads can be enhanced, and staggered oil leakage is prevented;

2. through fixed cover, screw rod, plectane, lug and the protection shield that sets up, can be in the centre gripping piston rod, lug portion is located the piston rod and contacts at first, atress at first to it promotes the extrusion force that makes the piston rod body receive to one side to reach the movable rod, and fixed dynamics is stronger, and the detachable structure is convenient for change the movable rod simultaneously, reaches the effect of practicing thrift the cost.

3. Through two cylinder bodies, two flanges, the lead screw that set up, can open the cylinder body, the regularly maintenance inspection of being convenient for washs the greasy dirt, improves work efficiency.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic diagram of the right-side view structure of the present invention;

FIG. 3 is a schematic diagram of the right view structure of the movable rod of the present invention;

fig. 4 is a schematic diagram of the right side view structure of the circular plate of the present invention.

Wherein: 1. a first cylinder; 2. a first ring plate; 3. a first oil blocking head; 4. a second oil blocking head; 5. a movable rod; 6. a circular groove; 7. a second cylinder; 8. a positioning sleeve; 9. a circular plate; 901. fixing grooves; 10. a bump; 11. a reset sleeve; 12. a first oil port; 13. a reset lever; 14. fixing a sleeve; 15. a partition plate; 16. a second ring plate; 17. a first flange; 18. a second flange; 19. a screw rod; 20. a second oil port; 21. a screw; 22. and (5) protecting the board.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the hydraulic clamping device for processing a piston rod comprises a first cylinder 1 and a second cylinder 7, a movable rod 5 is embedded in the first cylinder 1, the movable rod 5 penetrates through the second cylinder 7, a reset rod 13 is arranged at one end of the movable rod 5 away from the second cylinder 7, a reset sleeve 11 is arranged at a position corresponding to the reset rod 13 in the first cylinder 1, a circular plate 9 is arranged at the other end of the movable rod 5, a convex block 10 is uniformly arranged at a position close to the edge of one side surface of the circular plate 9 away from the movable rod 5, a protective plate 22 is attached to one side of the circular plate 9 corresponding to the convex block 10, a first annular plate 2 is arranged at one end close to the convex block 10 in the first cylinder 1, a second annular plate 16 is arranged at one end close to the first cylinder 1 in the second cylinder 7, a positioning sleeve 8 is arranged at one end of the second cylinder 7 opposite to the second annular plate 16, a first oil blocking head 3 is sleeved at one end of the movable rod 5 close to the, a second oil blocking head 4 is arranged on one side of the first oil blocking head 3 opposite to the reset rod 13, and a partition plate 15 is arranged between the first oil blocking head 3 and the second oil blocking head 4 of the movable rod 5;

when the piston rod clamping device works, the first oil port 12 and the second oil port 20 are matched with each other to drive the movable rod 5 to move in the oil cylinder, so that the circular plate 9 and the protection plate 22 are driven to clamp the piston rod, the arc-shaped structure at the center of the protection plate 22 firstly contacts the piston rod, then the convex block 10 clamps the piston rod, the convex block 10 applies clamping force to the piston rod, when the oil cylinder hydraulic pressure is overlarge, the circular plate 9 and the movable rod 5 are firstly damaged, meanwhile, when the movable rod 5 is damaged, the undamaged parts on the movable rod can be dismounted, the brand new movable rod 5 is replaced, through the arranged fixed sleeve 14, the screw rod 21, the circular plate 9, the convex block 10 and the protection plate 22, when the piston rod is clamped, the convex block 10 is firstly contacted with the piston rod and firstly stressed, so that the movable rod 5 is pushed to one side to enable the extrusion force of the piston rod, meanwhile, the detachable structure is convenient for replacing the movable rod 5, and the effect of saving cost is achieved.

In other embodiments, the present embodiment discloses a connection relationship between two oil cylinders, as shown in fig. 1-2, a first flange 17 is disposed at one end of the outer wall of the first cylinder 1 close to the second cylinder 7, a second flange 18 is disposed at one end of the second cylinder 7 corresponding to the first flange 17, a screw rod 19 is uniformly penetrated through the first flange 17, the screw rod 19 penetrates through the second flange 18, and nuts are threaded at both ends of the screw rod 19;

when the oil cylinder is installed, a sealing ring plate is arranged between the first flange 17 and the second flange 18, then the screw rod 19 is inserted into the through holes corresponding to the two flanges, and then nuts are installed on the screw rod 19 and located at the two ends of the two flanges for fastening, so that the two oil cylinders are fixed together.

In other embodiments, this embodiment discloses an oil leakage preventing structure, as shown in fig. 1, seal sleeves are respectively attached to positions where the first ring plate 2, the second ring plate 16 and the movable rod 5 are in corresponding contact, one end of the positioning sleeve 8, which is far away from the second ring plate 16, is attached to the seal sleeve, circular grooves 6 are uniformly formed in rod bodies of the movable rod 5, which are located between the first cylinder body 1 and the second cylinder body 7, a first oil port 12 is formed in a position of the first cylinder body 1, which is located below the reset sleeve 11, and a second oil port 20 is formed in a position of the second cylinder body 7, which is located below the positioning sleeve 8;

during operation, first hydraulic fluid port 12 and second hydraulic fluid port 20 mutually support, drive movable rod 5 and remove in the hydro-cylinder, movable rod 5 can be guaranteed to a plurality of seal covers in the removal, prevent the oil leak, simultaneously movable rod 5 removes in position sleeve 8, reset sleeve 11 and release link 13, avoid the skew of movable rod 5, press from both sides tightly the piston rod simultaneously, reset sleeve 11 through setting up, release link 13, position sleeve 8, a plurality of baffles, two hinder oily head, a plurality of sealing rings and a plurality of circular slot 6, can strengthen the stability and the sealed effect of hindering oily head, prevent the oil leak of dislocation.

In other embodiments, the embodiment discloses a structure for fixing two oil blocking heads, as shown in fig. 1, the movable rod 5 is provided with screw threads on rod bodies on both sides of the partition plate 15, and the movable rod 5 is located between the first oil blocking head 3 and the first annular plate 2 and is in threaded connection with a fixing sleeve 14;

the movable rod 5 is located the second and hinders that the first one side of hindering the first 3 that hinders of oily head 4 also threaded connection has fixed cover 14, can hinder two oily heads and dismantle from movable rod 5, hinders two sealed effects when hindering oily head and can promote the oil change simultaneously.

In other embodiments, the present embodiment discloses a connection relationship between the circular plate 9 and the movable rod 5, as shown in fig. 1, 3 and 4, one end face of the movable rod 5 corresponding to the circular plate 9 is provided with two screws 21, and the two screws 21 are centrosymmetric with respect to the end face of the movable rod 5;

the circular plate 9 and the movable rod 5 can be separated from each other, and the movable rod 5 is detached from the second cylinder 7.

In other embodiments, the present embodiment discloses a structure of the circular plate 9, as shown in fig. 1, 2, and 4, a fixing groove 901 is formed at a position of the circular plate 9 corresponding to the screw 21, four protrusions 10 are provided, and a nut is connected to a rod body of the screw 21 inside the fixing groove 901 in a threaded manner;

the fixing groove 901 can prevent the nut from protruding on the circular plate 9, and the protrusion 10 can clamp the piston rod more firmly.

In other embodiments, the present embodiment discloses the structure of the protection plate 22, as shown in fig. 1 and 2, one side of the protection plate 22 opposite to the circular plate 9 is set to be an arc-shaped structure;

the arc-shaped structure can better clamp and fix the piston rod by the structure of the piston rod.

In other embodiments, the present embodiment discloses a connection relationship between two flanges, as shown in fig. 1 and 2, a sealing ring plate is disposed between the first flange 17 and the second flange 18, and both ends of the screw rod 19 are connected with nuts by screw threads;

the two flanges can be conveniently and fixedly mounted together, the opening of the inside of the traveling cylinder body is facilitated, and the movable rod 5 and the inside of the oil cylinder are conveniently replaced.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Piston rod processing hydraulic clamping device, including first cylinder body (1) and second cylinder body (7), its characterized in that: the cylinder is characterized in that a movable rod (5) is embedded in the first cylinder body (1), the movable rod (5) penetrates through the second cylinder body (7), a reset rod (13) is arranged at one end, far away from the second cylinder body (7), of the movable rod (5), a reset sleeve (11) is arranged at a position, corresponding to the reset rod (13), of the first cylinder body (1), a circular plate (9) is arranged at the other end of the movable rod (5), a convex block (10) is uniformly arranged at a position, close to the edge, of one side, far away from the movable rod (5), of the circular plate (9), a protective plate (22) is attached to one side, corresponding to the convex block (10), of the circular plate (9), a first annular plate (2) is arranged at one end, close to the convex block (10), of the first cylinder body (1) in the first cylinder body (1), a second annular plate (16) is arranged at one end, close to, the inside one end relative with second crown plate (16) of second cylinder body (7) is provided with position sleeve (8), the pot head that movable rod (5) is close to release link (13) is equipped with first oily head (3) of hindering, first oily head (3) of hindering is provided with the second and hinders oily head (4) with release link (13) one side relative, movable rod (5) are located first oily head (3) of hindering and the second hinders and are provided with baffle (15) between oily head (4).

2. The hydraulic clamping device for piston rod processing according to claim 1, wherein: one end, close to the second cylinder body (7), of the outer wall of the first cylinder body (1) is provided with a first flange (17), one end, corresponding to the first flange (17), of the second cylinder body (7) is provided with a second flange (18), a screw rod (19) uniformly penetrates through the first flange (17), the screw rod (19) penetrates through the second flange (18), and nuts are threaded at two ends of the screw rod (19).

3. The hydraulic clamping device for piston rod processing according to claim 1, wherein: the utility model discloses a reset cylinder, including first crown plate (2), second crown plate (16), movable rod (5), first basin (8), locating sleeve (7), first hydraulic fluid port (12) has been seted up to the one end subsides that the contact is corresponded in first crown plate (2), second crown plate (16) and movable rod (5) all paste and be equipped with the seal cover, the seal cover is equipped with to the inside one end of keeping away from second crown plate (16) of locating sleeve (8), circular slot (6) have evenly been seted up on the body of rod that movable rod (5) are located between first cylinder body (1), second cylinder body (7), first hydraulic fluid port (12) have been seted up to the position department that first cylinder body (1) is located reset sleeve (11.

4. The hydraulic clamping device for piston rod processing according to claim 1, wherein: the movable rod (5) is located and all seted up the screw thread on the body of rod of baffle (15) both sides, threaded connection has fixed cover (14) between movable rod (5) are located first oil head (3) and first crown plate (2).

5. The hydraulic clamping device for piston rod processing according to claim 1, wherein: one end face of the movable rod (5) corresponding to the circular plate (9) is provided with two screw rods (21), and the two screw rods (21) are in central symmetry relative to the end face of the movable rod (5).

6. The hydraulic clamping device for piston rod processing according to claim 5, wherein: the fixing groove (901) is formed in the position, corresponding to the screw rod (21), of the circular plate (9), four protruding blocks (10) are arranged, and nuts are connected to the screw rod (21) on the rod body located inside the fixing groove (901) in a threaded mode.

7. The hydraulic clamping device for piston rod processing according to claim 1, wherein: one side surface of the protection plate (22) opposite to the circular plate (9) is arranged into an arc-shaped structure.

8. The hydraulic clamping device for piston rod processing according to claim 2, wherein: a sealing ring plate is arranged between the first flange (17) and the second flange (18), and nuts are in threaded connection with both ends of the screw rod (19).