CN216226536U

CN216226536U - Automatic riveting equipment for sliding shoe plunger

Info

Publication number: CN216226536U
Application number: CN202120349846.1U
Authority: CN
Inventors: 何樱
Original assignee: Yuhuan Fangbo Machinery Co ltd
Current assignee: Yuhuan Fangbo Machinery Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2022-04-08
Anticipated expiration: 2031-02-07

Abstract

The utility model belongs to the technical field of automation equipment, in particular to automatic riveting equipment for a sliding shoe plunger, which comprises a rack; the moving seat is arranged on the rack, and a clamp is arranged on the moving seat and used for mounting the plunger; the static seat is arranged on the rack and used for mounting the sliding shoes; the moving seat and the static seat are oppositely arranged; the driving assembly is arranged on the rack and used for driving the moving seat to move towards the static seat, so that the ball end of the plunger is embedded into the ball bowl of the sliding shoe; and the spin riveting assembly is movably arranged on the moving seat or the static seat and used for applying pressure to the outer side surface of the ball bowl of the sliding shoe to deform the sliding shoe and wrap the ball end of the plunger. According to the utility model, the automatic processing of the piston shoe plunger is carried out through the spin riveting assembly, and compared with a die pressing process, the method provided by the utility model can effectively reduce the impression caused by die pressing, so that the surface of the piston shoe is smoother; meanwhile, the automatic connection of the sliding shoe plunger is realized through the automatic conveying of the driving assembly, and then riveting is carried out.

Description

Automatic riveting equipment for sliding shoe plunger

Technical Field

The utility model belongs to the technical field of automation equipment, and particularly relates to automatic piston shoe plunger riveting equipment.

Background

The plunger is the key part in the swash plate type plunger pump, because the swash plate rotates relative to the cylinder block, the extrusion stroke of the plunger depends on the swash plate to push the piston shoes and the plunger, so that the plunger retracts into the cylinder hole, and the suction stroke of the plunger depends on the concentrated spring to pull the plunger out of the cylinder hole through the return plate and the piston shoe shoulder. The piston shoes do swinging motion to the plunger, so the piston shoes and the plunger are connected and matched by a ball hinge.

The existing piston shoe plunger is manufactured by extruding, deforming and rolling a piston shoe through a die and then attaching the piston shoe to the outer spherical surface of a ball head, and the process is called ball wrapping. However, when the machining is performed by this method, if the operation is not performed properly, the surface of the shoe tends to be indented, which affects the appearance of the shoe, and the indentation also has a certain effect on the strength of the shoe itself.

Disclosure of Invention

The utility model aims to provide automatic riveting equipment which is simple in structure and can automatically rivet a slipper column so as to eliminate indentation on the surface of a slipper.

The purpose of the utility model is realized as follows:

an automatic piston shoe plunger riveting device comprises a frame;

the moving seat is arranged on the rack, and a clamp is arranged on the moving seat and used for mounting the plunger;

the static seat is arranged on the rack and used for mounting the sliding shoes; the moving seat and the static seat are oppositely arranged;

the driving assembly is arranged on the rack and used for driving the moving seat to move towards the static seat, so that the ball end of the plunger is embedded into the ball bowl of the sliding shoe;

and the spin riveting assembly is movably arranged on the moving seat or the static seat and used for applying pressure to the outer side surface of the ball bowl of the sliding shoe to deform the sliding shoe and wrap the ball end of the plunger.

Furthermore, the machine frame comprises an upper machine frame and a lower machine frame, the stationary seat is arranged on the lower machine frame, and the moving seat is arranged on the upper machine frame; the drive assembly performs the connection of the elements to be machined by driving the kinematic seat downwards.

Further, the driving assembly comprises an oil cylinder, the oil cylinder is connected with a power source for driving the oil cylinder to move, and the tail end of the oil cylinder is provided with the moving seat.

Furthermore, the spin riveting assembly comprises a hydraulic chuck arranged at the tail end of the driving assembly, and a plurality of spin riveting heads are arranged in the hydraulic chuck; the fixture is arranged on the hydraulic chuck, and the spin riveting operation is performed by driving the spin riveting head to tightly support the outer side surface of the ball bowl of the sliding shoe.

Furthermore, the hydraulic chuck is arranged on a rotating mechanism, the rotating mechanism comprises a rotating main shaft arranged in the upper frame, and a rotating motor is arranged at the upper end of the rotating main shaft; the hydraulic clamping device is characterized in that a bearing piece is arranged on the clamp, the hydraulic clamping chuck rotates to drive a riveting head which is abutted to the outer side surface of a ball bowl of the sliding shoe to carry out riveting operation, and the bearing piece enables the plunger not to rotate along with the hydraulic clamping chuck.

Further, the clamp comprises a base connected with the hydraulic chuck, and a mounting head is detachably arranged on the base; the mounting head is used for mounting the plunger, and the mounting head with different lengths is replaced to adapt to the sliding shoe plunger pieces with different lengths required to be manufactured.

Furthermore, a clamping groove for the installation head to be connected is arranged in the base, a plurality of openings are formed in the groove wall of the clamping groove, and a ring groove is formed in one end of the installation head; when the mounting head is connected into the base, the mounting head and the base are connected by connecting a push rod into the opening and enabling the push rod to abut against the annular groove.

Furthermore, a groove is also formed in the hydraulic chuck, and the clamp is arranged in the groove; a flange is arranged on the groove wall of the groove, a protruding part used for abutting against the flange is arranged on the clamp, and the clamp is limited in the groove through the abutting joint of the flange and the protruding part; and a spring part is also arranged in the groove and is used for continuously abutting against the groove bottom of the groove and the clamp.

Furthermore, the fixture further comprises a connecting sleeve, one end of the connecting sleeve is provided with the protruding portion, and the other end of the connecting sleeve is provided with a bearing piece connected with the base.

Furthermore, flaring ports are arranged at two ends of the connecting sleeve, so that the convex part is formed on the outer surface of the connecting sleeve due to the flaring ports.

Furthermore, the hydraulic chuck takes the clamp as a starting point and outwards extends to form a sliding groove, a sliding block is arranged in the sliding groove, and the rotary riveting head is arranged on the sliding block.

Further, the stationary seat comprises a support part and a placing part detachably arranged on the support part, the placing part is used for placing the sliding shoes or the plungers, and the support part is used for supporting when the movable seat moves downwards to enable the sliding shoes to be connected with the plungers.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

according to the utility model, the automatic processing of the piston shoe plunger is carried out through the spin riveting assembly, and compared with a die pressing process, the method provided by the utility model can effectively reduce the impression caused by die pressing, so that the surface of the piston shoe is smoother; meanwhile, the automatic connection of the sliding shoe plunger is realized through the automatic conveying of the driving assembly, and then riveting is carried out.

The rack comprises an upper rack and a lower rack, wherein the upper rack and the lower rack are respectively provided with a moving seat and a static seat, so that the connecting effect of a sliding shoe and a plunger is enhanced by the gravity of the moving seat when the moving seat works, the load of a driving assembly is reduced, and the vertical structure is convenient for the installation of the sliding shoe and the plunger, namely the sliding shoe and the plunger which are at least positioned on the lower rack do not need to be additionally provided with a fixing device.

The spin riveting assembly comprises a hydraulic chuck arranged at the tail end of a driving cylinder, a plurality of spin riveting heads are arranged in the hydraulic chuck to perform spin riveting operation of the sliding shoe plunger, and the hydraulic chuck is stable in structure and accurate in control.

The hydraulic chuck is also connected with a rotating mechanism, and a riveting head abutting against the outer side surface of a ball bowl of the sliding shoe is driven to carry out riveting operation through the rotation of the hydraulic chuck; it is comparatively difficult to set up the power supply that drives the riveter pivoted on the riveter in hydraulic chuck, sets up the rotation main shaft of riveter promptly and drives the power supply that rotates the main shaft, so drive the riveter through hydraulic chuck's rotation and rotate, and this mode is simple, the realization of being convenient for.

The motion base comprises a base fixed in a hydraulic chuck, an installation head is detachably arranged on the base, and a sliding shoe or a plunger is connected through the installation head; the slipper plunger pieces have various specifications with different lengths, but the length of the spin riveting head is fixed, when the slipper plunger pieces are too long or too short, the spin riveting head is difficult to contact the slipper plunger pieces, and therefore the slipper plunger pieces with different lengths are adapted by arranging the mounting heads with different lengths.

The mounting head is provided with a ring groove, and the mounting head is fixed by inserting a mandril into the ring groove; the connecting structure is convenient to operate, and a user can rapidly replace the mounting head conveniently.

When the hydraulic chuck works, the spring arranged in the groove is abutted to the moving seat, so that when the moving seat is downward to enable the sliding shoe to be abutted to the plunger, the spring enables the sliding shoe to be always abutted to the plunger tightly due to self restoring force, and the phenomenon that a workpiece is scrapped due to the fact that the sliding shoe is not abutted to the plunger tightly during machining is avoided.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a structural cross-sectional view of the present invention

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the structure at the hydraulic chuck

FIG. 5 is a schematic view of the kinematic seat;

fig. 6 is a schematic structural view of the stationary seat.

The reference numerals in the figures denote the meanings:

1. a motion base; 11. a base; 111. a card slot; 112. an opening; 113. a top rod; 12. a mounting head; 121. a ring groove; 122. an installation port; 13. a boss portion; 14. connecting sleeves; 141. flaring; 15. a bearing member; 2. a stationary seat; 21. a support portion; 22. a placement section; 221. a placement section; 3. a drive assembly; 31. an oil cylinder; 32. a power source; 4. an upper frame; 5. a lower frame; 6. spin riveting the assembly; 61. a hydraulic chuck; 611. a groove; 612. a flange; 62. screwing the riveting head; 63. a chute; 64. a slider; 7. a spring member; 81. rotating the main shaft; 82. the motor is rotated.

Detailed Description

The utility model is further described below with reference to specific examples:

an automatic piston shoe plunger riveting device is shown in figures 1-6 and comprises a rack, wherein the rack is C-shaped, the upper end and the lower end of the rack are respectively provided with an upper rack 4 and a lower rack 5, and the rack positioned between the upper rack 4 and the lower rack 5 has the effect of connecting the upper rack 4 and the lower rack 5; the device comprises a rack, and is characterized by further comprising a fixing assembly and a driving assembly 3, wherein the fixing assembly and the driving assembly 3 are arranged on the rack and comprise a moving seat 1 and a static seat 2 which are opposite, a clamp is arranged on the moving seat 1 and used for installing a plunger, a sliding shoe is arranged on the static seat 2, the driving assembly 3 is connected with the moving seat 1 and drives the moving seat 1 to move towards the static seat 2 and is used for connecting the sliding shoe on the moving seat 1 and the static seat 2 with the plunger, and even if the ball end of the plunger is embedded into a ball bowl of the sliding shoe; in this example, the stationary base 2 is disposed on the lower frame 5, the movable base 1 is disposed on the upper frame 4, the driving assembly 3 is specifically an oil cylinder 31 disposed in the upper frame 4, the oil cylinder 31 is connected to a power source 32 for driving the oil cylinder to move, i.e., an oil feeding motor disposed in the frame, the movable base 1 is disposed at the end of the oil cylinder 31, and the driving assembly 3 drives the movable base 1 downward to connect the components to be processed.

The utility model also comprises a spin riveting assembly 6 which is arranged on the moving seat 1 and is used for applying pressure to the outer side surface of the ball bowl of the sliding shoe to deform the sliding shoe and wrap the ball end of the plunger. According to the utility model, the automatic processing of the piston shoe plunger is carried out through the spin riveting assembly 6, and compared with a die pressing process, the method provided by the utility model can effectively reduce the impression caused by die pressing, so that the surface of the piston shoe is smoother; meanwhile, the automatic connection of the piston shoes and the riveting are realized through the automatic conveying of the driving assembly 3.

Further, the spin riveting assembly 6 comprises a hydraulic chuck 61 arranged at the tail end of the oil cylinder 31, a plurality of spin riveting heads 62 are arranged in the hydraulic chuck 61, the clamp is arranged in the middle of the hydraulic chuck 61, the spin riveting operation is performed by driving the spin riveting heads 62 to one side of the clamp, the hydraulic chuck 61 drives the spin riveting heads 62 to move through the hydraulic movement of the hydraulic chuck 61, and when the slipper is in contact connection with the plunger, the spin riveting heads 62 tightly abut against the outer side surface of the ball cup of the slipper to perform the spin riveting operation. The hydraulic chuck 61 is provided with a sliding groove 63 extending outwards from the clamp as a starting point, a sliding block 64 is arranged in the sliding groove 63, the rotary riveting heads 62 are arranged on the sliding block 64, the rotary riveting heads 62 are driven to move towards the clamp along the sliding groove 63 to perform rotary riveting operation, the number of the rotary riveting heads 62 is three, and the difference of angles among the rotary riveting heads 62 is 120 degrees; the effect of setting like this lies in can be when spin-riveting comprehensive cover in the piston shoe plunger increases the riveting effect of piston shoe plunger.

The riveting head 62 can be configured with power by itself, that is, a rotating spindle and a power assembly are arranged in the riveting head 62, but because the riveting head 62 is mounted on the hydraulic chuck 61, a spindle and a power assembly for driving the riveting head 62 to rotate are not conveniently mounted on the hydraulic chuck 61, in the utility model, the hydraulic chuck 61 is further connected with a rotating mechanism which comprises a rotating spindle 81 arranged in the upper frame 4, the rotating spindle 81 is arranged in the oil cylinder 31 of the upper frame 4 in a penetrating manner, a bearing is arranged on a contact surface of the rotating spindle 81 and the oil cylinder 31, and one end of the rotating spindle 81 is connected with a rotating motor 82; the fixture is provided with a bearing piece 15, the hydraulic chuck 61 rotates to drive the spin riveting head 62 abutted to the outer side surface of the ball bowl of the sliding shoe to perform spin riveting operation, and the bearing piece 15 enables the plunger not to rotate along with the hydraulic chuck 61. The rotating motor 82 is a servo motor arranged on the top of the upper frame 4, and the servo motor can accurately control the rotating speed and distance of the hydraulic chuck 61, so that the accuracy of the slipper plunger is increased.

Specifically, the clamp comprises a base 11 connected with the hydraulic chuck 61, a mounting head 12 is detachably arranged on the base 11, and a mounting opening 122 for mounting and fixing the plunger is arranged at the other end of the mounting head 12; specifically, a clamping groove 111 for the mounting head 12 to connect to is formed in the base 11, a plurality of transverse openings 112 communicated with the outside are formed in a groove wall of the clamping groove 111, a circular groove 121 is formed in one end of the mounting head 12, and the mounting head 12 is T-shaped when viewed from the side, a push rod 113 is further arranged in the transverse opening 112, and when the mounting head 12 is connected to the base 11, the push rod 113 is located in the transverse opening 112 and abuts against the circular groove 121 at the same time, so that one end of the mounting head 12 is limited in the base 11, and the mounting head 12 is connected to the base 11. The slipper plunger pieces have various specifications of different lengths, but the length of the spin rivet head 62 is fixed, and when the slipper plunger piece is too long or too short, the spin rivet head 62 is difficult to contact with the slipper plunger piece, so that the slipper plunger pieces of different lengths are adapted by arranging the mounting heads 12 of different lengths. The top rod 113 may further include a fixing mechanism, for example, a screw thread may be provided on the surface of the top rod 113, a nut may be added to the screw thread, and the top rod may be fixed to the base 11 by rotating the nut.

Further, a groove 611 is further formed in the hydraulic chuck 61, and the clamp is narrower than the width of the groove 611, so that the clamp is arranged in the groove 611 in a lifting manner; a flange 612 is arranged on the groove wall of the groove 611, a protruding part 13 used for abutting against the flange 612 is arranged on the clamp, and the clamp is limited in the groove 611 through the abutting of the flange 612 and the protruding part 13; a spring element 7 is also provided in the recess 611 for abutting against the groove bottom of the recess 611 and the clamp. When the device works, the driving assembly 3 drives the moving seat 1 to move downwards to enable the sliding shoes to be abutted to the plungers, and as the plungers on the clamp touch the sliding shoes and are limited by the sliding shoes, the clamp retracts towards the groove 611 when the moving seat moves downwards continuously; at the moment, the driving assembly 3 stops, the spring piece 7 has a certain restoring force, the spring piece is continuously abutted to the clamp through the restoring force, so that the sliding shoe is tightly abutted to the plunger and is always in a tight abutting state, and the effect of preventing the workpiece from being scrapped because the sliding shoe is not tightly abutted to the plunger during processing is achieved.

Specifically, the fixture further includes a connecting sleeve 14, and two ends of the connecting sleeve 14 are provided with flared ends 141, so that the protruding portion 13 is formed on the outer surface of the connecting sleeve 14 due to the flared ends 141. The projection 13 may also be an outer edge provided on the connection sleeve 14.

Further, the bearing piece 15 is arranged at the other end of the connecting sleeve 14, and the bearing piece 15 is used for connecting the base 11, so that the base 11 does not rotate along with the rotation of the hydraulic chuck 61 when the sliding shoe plunger is machined, and the machining requirements of spin riveting are met.

Further, the stationary base 2 includes a support portion 21 and a placement portion 22 detachably disposed on the support portion 21, the support portion 21 has a certain thickness to bear the pressure during the spin riveting operation, the placement portion 22 is provided with a placement base 221, the placement base 221 is provided with a claw for clamping the slipper, and the size of the claw is set according to the size of the slipper or the plunger; the placing part 22 can be directly detached from the supporting seat, and different placing seats 221 with different sizes can be obtained by replacing different placing parts 22, so that different sliding shoes or plungers can be matched.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides an automatic riveting equipment of piston shoes plunger which characterized in that: comprises a frame;

the moving seat (1) is arranged on the rack, and a clamp is arranged on the moving seat (1) and used for mounting the plunger;

the static seat (2) is arranged on the rack and used for mounting a sliding shoe; the moving seat (1) and the static seat (2) are arranged oppositely;

the driving assembly (3) is arranged on the rack and used for driving the moving seat (1) to move towards the static seat (2) so that the ball end of the plunger piston is embedded into the ball bowl of the sliding shoe;

and the spin riveting assembly (6) is movably arranged on the moving seat (1) or the static seat (2) and is used for applying pressure to the outer side surface of the ball bowl of the sliding shoe, deforming the ball bowl and wrapping the ball end of the plunger.

2. The slipper plunger auto-riveting apparatus of claim 1, wherein: the machine frame comprises an upper machine frame (4) and a lower machine frame (5), the stationary seat (2) is arranged on the lower machine frame (5), and the moving seat (1) is arranged on the upper machine frame (4); the drive assembly (3) performs the connection of the elements to be machined by driving the kinematic seat (1) downwards.

3. The slipper plunger auto-riveting apparatus of claim 2, wherein: the driving assembly (3) comprises an oil cylinder (31), the oil cylinder (31) is connected with a power source (32) for driving the oil cylinder (31) to move, and the tail end of the oil cylinder (31) is provided with the moving seat (1).

4. The slipper plunger auto-riveting apparatus of claim 3, wherein: the spin riveting assembly (6) comprises a hydraulic chuck (61) arranged at the tail end of the driving assembly (3), and a plurality of spin riveting heads (62) are arranged in the hydraulic chuck (61); the fixture is arranged on a hydraulic chuck (61), and the spin riveting operation is performed by driving the spin riveting head (62) to be tightly abutted against the outer side surface of the ball bowl of the sliding shoe.

5. The slipper plunger auto-riveting apparatus of claim 4, wherein: the hydraulic chuck (61) is arranged on a rotating mechanism, the rotating mechanism comprises a rotating main shaft (81) arranged in the upper rack (4), and the upper end of the rotating main shaft (81) is provided with a rotating motor (82); the fixture is provided with a bearing piece (15), the hydraulic chuck (61) rotates to drive a spin riveting head (62) which is abutted to the outer side surface of the ball bowl of the sliding shoe to perform spin riveting operation, and the plunger does not rotate along with the hydraulic chuck (61) through the bearing piece (15).

6. The slipper plunger auto-riveting apparatus of claim 5, wherein: the clamp comprises a base (11) connected with the hydraulic chuck (61), and a mounting head (12) is detachably arranged on the base (11); the mounting head (12) is used for mounting the plunger, and the mounting head (12) with different lengths is replaced to adapt to the sliding shoe plunger pieces with different lengths required to be manufactured.

7. The slipper plunger auto-riveting apparatus of claim 6, wherein: a clamping groove (111) for connecting the mounting head (12) is formed in the base (11), a plurality of openings (112) are formed in the wall of the clamping groove (111), and a ring groove (121) is formed in one end of the mounting head (12); when the mounting head (12) is connected to the base (11), a lift pin (113) is connected to the opening (112) and the lift pin (113) is brought into contact with the annular groove (121) to connect the mounting head (12) and the base (11).

8. The slipper plunger auto-riveting apparatus of claim 6, wherein: a groove (611) is further formed in the hydraulic chuck (61), and the clamp is arranged in the groove (611); a flange (612) is arranged on the groove wall of the groove (611), a protruding part (13) which is used for abutting against the flange (612) is arranged on the clamp, and the clamp is limited in the groove (611) through the abutting of the flange (612) and the protruding part (13); and a spring piece (7) is further arranged in the groove (611), and the spring piece (7) abuts against the groove bottom of the groove (611) and the clamp.

9. The slipper plunger auto-riveting apparatus of claim 8, wherein: the clamp further comprises a connecting sleeve (14), one end of the connecting sleeve (14) is provided with the protruding part (13), and the other end of the connecting sleeve (14) is provided with a bearing piece (15) connected with the base (11); flaring openings (141) are formed in two ends of the connecting sleeve (14), and the bulge parts (13) are formed on the outer surface of the connecting sleeve (14) due to the flaring openings (141).

10. The slipper plunger auto-riveting apparatus of claim 2, wherein: the static seat (2) comprises a supporting part (21) and a placing part (22) detachably arranged on the supporting part (21), the placing part (22) is used for placing a slipper or a plunger, and the supporting part (21) is used for supporting when the movable seat moves downwards to enable the slipper to be connected with the plunger.