CN217667628U

CN217667628U - Plunger and piston shoe assembly device

Info

Publication number: CN217667628U
Application number: CN202221645320.9U
Authority: CN
Inventors: 汤婷; 宋江北
Original assignee: Weichai Power Co Ltd; Linde Hydraulics China Co Ltd
Current assignee: Weichai Hydraulic Transmission Co ltd; Weichai Power Co Ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-10-28
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a plunger and piston shoe assembly device, a ball socket for with piston shoe extrusion deformation so that the bulb of plunger can't break away from piston shoe, this plunger and piston shoe assembly device includes supporting mechanism, fixture, fixed forming mechanism and press, fixture slides and wears to locate supporting mechanism, fixture is used for the centre gripping plunger, fixed forming mechanism can dismantle and connects in supporting mechanism, fixed forming mechanism is configured as the bulb of plunger and is located piston shoe's ball socket and piston shoe wears to establish behind the fixed forming mechanism piston shoe can be by extrusion deformation so that the bulb of plunger can't break away from piston shoe's ball socket, the pressure head of press is used for pushing down piston shoe. The plunger and sliding shoe assembling device is simple in structure, convenient to operate, capable of preventing the sliding shoes from being broken at the extruded positions, low in cost, small in occupied space and high in applicability.

Description

Plunger and piston shoe assembly device

Technical Field

The utility model relates to a mechanical assembly technical field especially relates to a plunger and piston shoe assembly device.

Background

The plunger pump is an important device in a hydraulic system, a plunger assembly is a core part of the plunger pump, and the plunger assembly comprises a plunger and a sliding shoe. During assembly, the sliding shoe needs to be buckled on the ball head of the plunger, so that the ball head of the plunger can rotate in the ball socket of the sliding shoe but cannot be separated from the sliding shoe. The device of equipment plunger and piston shoe among the prior art has two kinds, and the first kind is utilizing the plunger spinning-lathe to assemble, but appears processing blank position skew easily when assembling with the device, takes place relative rotation phenomenon with the main shaft, influences the machining precision and the product quality of plunger, and the piece that produces in the course of working can splash everywhere moreover, causes the safety in production accident easily. The second type is that the stamping mechanism of the automatic press fitting of the piston and the piston shoe is used for assembling, a transverse moving cylinder is adopted in the stamping mechanism of the automatic press fitting of the piston and the piston shoe to drive a fastener to move so as to fix the piston, then the piston shoe is placed on the piston, and then a pressing piece is driven by an oil cylinder to press down so as to complete the stamping operation between the piston and the piston shoe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plunger and piston shoes assembly device to the device of equipment plunger and piston shoes leads to the piston shoes easily to be produced the fracture defect by extruded position among the solution prior art, and occupation space is big, problem high in price.

To achieve the purpose, the utility model adopts the following technical proposal:

a plunger and shoe assembly for compressively deforming a shoe such that a ball of a plunger cannot disengage from a socket of the shoe, comprising:

a support mechanism;

the clamping mechanism is slidably arranged in the supporting mechanism in a penetrating mode and used for clamping the plunger;

the fixed forming mechanism is detachably connected to the supporting mechanism and is configured in a way that the ball head of the plunger is positioned in the ball socket of the sliding shoe, and the sliding shoe can be extruded and deformed after the sliding shoe is arranged in the fixed forming mechanism in a penetrating way so that the ball head of the plunger cannot be separated from the ball socket of the sliding shoe;

and the press comprises a pressure head, and the pressure head is used for pressing the sliding shoe downwards.

As a preferable scheme of the above plunger and slipper assembling device, the supporting mechanism includes a support, a first platform and a second platform, the clamping mechanism is slidably disposed through the first platform, the fixing and forming mechanism is detachably connected to the second platform, the first platform and the second platform are disposed at an interval, the first platform is fixedly disposed on the support, and the second platform can be close to or far away from the first platform.

As a preferable scheme of the above plunger and sliding shoe assembling device, the supporting mechanism further includes a driving member, the driving member is fixedly disposed on the bracket, and the driving member is in transmission connection with the second platform.

As a preferable scheme of the above plunger and sliding shoe assembling device, the bracket is provided with a sliding rail, and the second platform is provided with a sliding block, and the sliding block is slidably disposed on the sliding rail.

As a preferable scheme of the above plunger and sliding shoe assembly device, the bracket is provided with a plurality of first mounting holes at intervals, the second platform is provided with a second mounting hole, and a connecting pin can be sequentially inserted into any one of the first mounting hole and the second mounting hole.

As a preferable mode of the plunger and slipper assembling device, an external thread is provided on an outer peripheral surface of the fixed forming mechanism, and an internal thread is provided on the second platform, and the external thread is screwed with the internal thread.

As a preferable mode of the plunger and shoe assembling device, the support mechanism further includes an elastic member, and both ends of the elastic member in a compression direction thereof are respectively abutted against the lower surface of the clamping mechanism and the bracket.

As a preferable mode of the above-mentioned plunger and shoe assembly device, the elastic member is a spring.

As a preferable mode of the above-mentioned plunger and slipper assembling device, the fixing and forming mechanism is made of steel.

As a preferable solution of the above plunger and slipper assembling device, the plunger and slipper assembling device further includes a locking mechanism, the press further includes a base, the locking mechanism is fixedly connected with the supporting mechanism, and the locking mechanism is used for locking the supporting mechanism and the base.

The utility model has the advantages that:

the utility model provides a plunger and piston shoe assembly device for with piston shoe extrusion deformation so that the bulb of plunger can't break away from the ball socket of piston shoe, among this plunger and piston shoe assembly device, fixture is used for the centre gripping plunger, fixture slides and wears to locate supporting mechanism, fixed forming mechanism is configured as the bulb of plunger and is located the ball socket of piston shoe and piston shoe wears to establish fixed forming mechanism back piston shoe can be by extrusion deformation so that the bulb of plunger can't break away from the ball socket of piston shoe. When the plunger and the sliding shoe assembly device is used for assembling the plunger and the sliding shoe, the sliding shoe part is placed in the fixed forming mechanism, the plunger is clamped by the clamping mechanism, the fixed forming mechanism is adjusted to be close to the plunger until the ball head of the plunger is placed in the ball socket of the sliding shoe, then the fixed forming mechanism is fixed, the sliding shoe and the plunger are pressed down by the press machine to enable the sliding shoe and the plunger to keep the ball head at the position of the ball socket and move towards one end of the plunger far away from the sliding shoe, and after the sliding shoe penetrates from the upper end to the lower end of the fixed forming mechanism, the sliding shoe is extruded and deformed to enable the lower part of the sliding shoe to be attached to the ball head and cover the ball head, so that the ball head cannot be separated from the sliding shoe. The plunger and sliding shoe assembling device is simple in structure and convenient to operate, can prevent the sliding shoes from being broken at the extruded positions, is low in cost and small in occupied space, and the fixed forming mechanism can be detachably connected to the supporting mechanism, can select the suitable fixed forming mechanism to be installed on the supporting mechanism according to the sliding shoes with different shapes and sizes, and can improve the applicability.

Drawings

Fig. 1 is a schematic structural view of an assembly device of a plunger and a slipper according to an embodiment of the present invention.

In the figure:

1. a plunger; 2. a slipper; 3. a clamping mechanism; 4. fixing the forming mechanism; 5. a support mechanism; 6. a pressure head; 51. a first platform; 52. a second platform.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. 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.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides a plunger and piston shoe assembly quality, a ball socket for can't break away from piston shoe 2 with piston shoe 2 extrusion deformation so that plunger 1's bulb, as shown in figure 1, this plunger and piston shoe assembly quality includes supporting mechanism 5, fixture 3, fixed forming mechanism 4 and press, fixture 3 slides and wears to locate supporting mechanism 5, fixture 3 is used for centre gripping plunger 1, fixed forming mechanism 4 can be dismantled and connect in supporting mechanism 5, fixed forming mechanism 4 is configured into that plunger 1's bulb is located piston shoe 2's ball socket and piston shoe 2 wears to establish fixed forming mechanism 4 back piston shoe 2 can be by extrusion deformation so that plunger 1's bulb can't break away from piston shoe 2's ball socket, the press includes pressure head 6, pressure head 6 is used for pushing down piston shoe 2.

When the plunger and the sliding shoe assembly device is used for assembling a plunger 1 and a sliding shoe 2, a part of the sliding shoe 2 is placed in a fixed forming mechanism 4, the plunger 1 is clamped by a clamping mechanism 3, the fixed forming mechanism 4 is adjusted to be close to the plunger until a ball head of the plunger 1 is placed in a ball socket of the sliding shoe 2, then the fixed forming mechanism 4 is fixed, the sliding shoe 2 is pressed down by a press machine to enable the sliding shoe 2 and the plunger 1 to keep the ball head at the position of the ball socket and move to one end of the plunger far away from the sliding shoe, and after the sliding shoe 2 penetrates from the upper end to the lower end of the fixed forming mechanism 4, the sliding shoe 2 is extruded and deformed to enable the lower part of the sliding shoe 2 to be attached to the ball head and cover the ball head, so that the ball head cannot be separated from the sliding shoe 2. This plunger and piston shoe assembly device's simple structure, convenient operation can prevent that piston shoe 2 from being produced the fracture by the extruded position, and with low costs, and occupation space is little, and fixed forming mechanism 4 can dismantle in supporting mechanism 5 in addition, can install in supporting mechanism 5 according to the piston shoe 2 selection of different shapes size is suitable fixed forming mechanism 4, can improve the suitability.

It can be understood that the inner wall of the fixing and forming mechanism 4 can be designed according to the required shape of the extruded slipper 2, and the inner wall of the fixing and forming mechanism 4 can be attached to the outer wall of the extruded slipper 2.

Optionally, the supporting mechanism 5 includes a support, a first platform 51 and a second platform 52, the clamping mechanism 3 is slidably disposed through the first platform 51, the fixing and forming mechanism 4 is detachably connected to the second platform 52, the first platform 51 and the second platform 52 are disposed at an interval, the first platform 51 is fixedly disposed on the support, and the second platform 52 can be close to or far away from the first platform 51. The first platform 51 is fixed, the distance between the second platform 52 and the first platform 51 is adjusted by adjusting the position of the second platform 52, when the position of the second platform 52 is adjusted, the clamping mechanism 3 is static relative to the first platform 51, so that the fixed forming mechanism 4 is adjusted to be close to the plunger 1, and the ball head of the plunger 1 is positioned in the ball socket of the sliding shoe 2.

Optionally, the supporting mechanism 5 further includes a driving member, the driving member is fixedly disposed on the bracket, and the driving member is in transmission connection with the second platform 52. Optionally, the drive member is an air cylinder, an electric cylinder or a hydraulic cylinder. The driving member drives the second platform 52 to approach or separate from the first platform 51, thereby driving the fixed forming mechanism 4 to approach or separate from the first platform 51. Optionally, the support is provided with a slide rail, and the second platform 52 is provided with a slide block, and the slide block is slidably disposed on the slide rail. The second platform 52 can be moved along the extending direction of the slide rail, and the second platform 52 is prevented from shaking in the moving process, so that the second platform 52 can be stably moved.

As an alternative, the bracket is provided with a plurality of first mounting holes at intervals, the second platform 52 is provided with a second mounting hole, and the connecting pin can be inserted into any one of the first mounting hole and the second mounting hole in sequence. The second platform 52 is adjusted to approach or move away from the first platform 51 by inserting the connecting pin into the second mounting hole and the different first mounting hole.

Alternatively, the outer peripheral surface of the fixed molding mechanism 4 is provided with external threads, and the second platform 52 is provided with internal threads, with the external threads being screwed with the internal threads. The fixed forming mechanism 4 is convenient to be mounted on the second platform 52, and the fixed forming mechanism 4 is convenient to be dismounted from the second platform 52.

Optionally, the supporting mechanism 5 further includes an elastic member, and both ends of the elastic member in the compression direction thereof are respectively abutted with the lower surface of the clamping mechanism 3 and the bracket. Optionally, the resilient member is a spring. The elastic piece can support the clamping mechanism 3, so that the clamping mechanism 3 can move downwards along with the sliding shoe 2 and is not separated from the sliding shoe 2.

Alternatively, the fixed forming mechanism 4 is made of steel. The steel material has high hardness, and can prevent the deformation of the fixed forming mechanism 4.

Optionally, the plunger and slipper assembling device further comprises a locking mechanism, and the press further comprises a base, the locking mechanism is fixedly connected with the supporting mechanism 5, and the locking mechanism is used for locking the supporting mechanism 5 with the base. After the locking mechanism locks the support mechanism 5 and the base, the position of the support mechanism 5 can be fixed, and the position deviation in the process of assembling the sliding shoe 2 and the plunger 1 can be prevented.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A plunger and slipper assembling device for pressing and deforming a slipper (2) so that a ball head of a plunger (1) cannot be separated from a ball socket of the slipper (2), comprising:

a support mechanism (5);

the clamping mechanism (3) penetrates through the supporting mechanism (5) in a sliding mode, and the clamping mechanism (3) is used for clamping the plunger (1);

the fixed forming mechanism (4), the fixed forming mechanism (4) is detachably connected to the supporting mechanism (5), the fixed forming mechanism (4) is configured in such a way that the ball head of the plunger (1) is positioned in the ball socket of the slipper (2), and after the slipper (2) is arranged in the fixed forming mechanism (4) in a penetrating way, the slipper (2) can be extruded and deformed so that the ball head of the plunger (1) cannot be separated from the ball socket of the slipper (2);

press comprising a ram (6), said ram (6) being adapted to press down said shoe (2).

2. The plunger and slipper assembly device of claim 1, wherein the support mechanism (5) comprises a bracket, a first platform (51) and a second platform (52), the clamping mechanism (3) is slidably disposed through the first platform (51), the fixed forming mechanism (4) is detachably connected to the second platform (52), the first platform (51) and the second platform (52) are spaced apart, the first platform (51) is fixedly disposed on the bracket, and the second platform (52) can approach or separate from the first platform (51).

3. The plunger and slipper assembly device of claim 2, wherein the support mechanism (5) further comprises an actuating member fixedly disposed on the bracket, the actuating member drivingly connected to the second platform (52).

4. The plunger and slipper assembly device of claim 3, wherein the cradle is provided with a slide track and the second platform (52) is provided with a slide block slidably disposed on the slide track.

5. The plunger and slipper assembly device of claim 2, wherein the bracket has a plurality of spaced first mounting holes, and the second platform (52) has second mounting holes, and a connecting pin is insertable into either of the first and second mounting holes.

6. The plunger and slipper assembly device of claim 2, wherein the outer peripheral surface of the fixed forming mechanism (4) is provided with external threads, and the second platform (52) is provided with internal threads, the external threads being threadedly engaged with the internal threads.

7. The plunger and slipper assembly device of claim 2, wherein the support mechanism (5) further comprises a resilient member having both ends in its compression direction abutting a lower surface of the clamping mechanism (3) and the bracket, respectively.

8. The plunger and slipper assembly device of claim 7, wherein the resilient member is a spring.

9. The plunger and slipper assembly device of claim 1, wherein the stationary forming means (4) is made of steel.

10. The plunger and slipper assembly device of claim 1, further comprising a locking mechanism, the press further comprising a base, the locking mechanism being fixedly connected to the support mechanism (5), the locking mechanism being adapted to lock the support mechanism (5) to the base.