CN210371135U

CN210371135U - Servo oil pump for molding machine

Info

Publication number: CN210371135U
Application number: CN201920611775.0U
Authority: CN
Inventors: 刘斌; 刘化书; 刘化明; 李娜
Original assignee: Weifang Qiankun Machinery Co Ltd
Current assignee: Weifang Qiankun Machinery Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-21
Anticipated expiration: 2029-04-30

Abstract

The utility model belongs to the technical field of servo oil pump, especially, be a servo oil pump for molding machine, including servo oil pump body, be equipped with into oil pipe on the servo oil pump body, it is linked together with servo oil pump body to advance oil pipe, it is equipped with the annular piece to advance the oil intraductal, the bottom fixed mounting of annular piece has a section of thick bamboo, the draw-in groove has all been seted up to the both sides of annular piece, advance and seted up two cavities on the oil pipe, the cavity is close to and has seted up the slide opening on one side inner wall of annular piece, slidable mounting has the fixture block in the slide opening, the one end that the cavity was kept away from to the fixture block extends to in the draw-in groove that corresponds and with the inner wall sliding connection of draw-in groove, slidable mounting. The utility model is simple in operation, convenient to use can carry out prefiltering to the oil that enters into in the servo oil pump, has guaranteed the safety in utilization of servo oil pump.

Description

Servo oil pump for molding machine

Technical Field

The utility model relates to a servo oil pump technical field especially relates to a servo oil pump for molding machine.

Background

The servo oil pump is a hydraulic pump driven by a servo motor, the design of the servo oil pump is scientific, the pressure is stable, the pulsation is low, the smooth running of the machine can be effectively ensured, and the service life is prolonged. The maintenance and the replacement cost of enterprise are reduced, simultaneously can perfect adaptation servo motor, realize servo economizer system's steady operation, unique positive and negative rotation structural design for servo hydraulic system's response speed, be applicable to the unit that high energy consumption urgently needed energy-saving transformation such as moulding plastics, die-casting, hydraulic engineering machinery, the molding machine is the casting equipment who is used for making the sand mould, its main function is: filling sand, namely filling loose molding sand into a sand box; compacting the molding sand, namely compacting the loose molding sand in the sand box by different methods such as jolt ramming, compaction, jolt ramming, injection pressing and the like, so that the sand mould has necessary strength in the processes of carrying, pouring and the like; and stripping, namely taking out the pattern from the compacted sand mold by using different mechanisms, wherein the servo oil pump makes essential components in the molding machine.

However, the conventional servo oil pump does not have the function of pre-filtering, and when debris is generated due to abrasion of parts in hydraulic oil, the servo oil pump is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a servo oil pump for a molding machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a servo oil pump for a molding machine comprises a servo oil pump body, wherein an oil inlet pipe is arranged on the servo oil pump body and is communicated with the servo oil pump body, an annular block is arranged in the oil inlet pipe, a filter cartridge is fixedly arranged at the bottom of the annular block, clamping grooves are formed in two sides of the annular block, two cavities are formed in the oil inlet pipe, a sliding hole is formed in one side of the cavity, which is close to the annular block, a clamping block is arranged in the sliding hole in a sliding mode, one end, far away from the cavity, of the clamping block extends into the corresponding clamping groove and is in sliding connection with the inner wall of the clamping groove, a vertical plate is arranged in the cavity in a sliding mode, one end, far away from the clamping groove, of the clamping block extends into the cavity and is fixedly connected with the vertical plate, a spring is fixedly arranged at one side, which is, and the spring sliding sleeve is established on the fixture block, one side fixed mounting that the riser kept away from the slide opening has two mounting panels, and the equal fixed mounting in one side that two mounting panels are close to each other has first rack, the cavity has been kept away from and has been seted up the through-hole on one side inner wall of slide opening, slidable mounting has the connecting rod in the through-hole, the one end that the connecting rod is close to the riser extends to in the cavity, be equipped with two second racks in the cavity, one side that two second racks are close to each other respectively with the top and the bottom fixed connection of connecting rod, be equipped with two gears in the cavity, two gears mesh with corresponding first rack and second rack respectively.

Preferably, two cross rods are fixedly installed in the cavity, and the two gears are respectively and rotatably connected with the corresponding cross rods.

Preferably, the top and the bottom of the vertical plate are respectively nested with a ball, and the two balls are respectively in rolling connection with the inner walls of the top and the bottom of the cavity.

Preferably, an annular groove is formed in the annular block, an oil ring is fixedly installed in the annular groove, and the oil ring is in sliding connection with the inner wall of the oil inlet pipe.

Preferably, a sealing ring is fixedly installed in the through hole, and the connecting rod is connected with the inner wall of the sealing ring in a sliding mode.

Preferably, be equipped with two stoppers in the cavity, the one end that two stoppers are close to each other respectively with the top and the bottom fixed connection of connecting rod, and the connecting rod is kept away from the one end of riser and is extended to outside the through-hole and fixed mounting has the disc.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with devices such as a servo oil pump body, an oil inlet pipe, an annular block, a clamping groove, a cavity, a sliding hole, a clamping block, a vertical plate, a spring, a mounting plate, a first rack, a through hole, a connecting rod, a second rack, a gear, a filter cartridge and the like, the model of the servo oil pump body is KCB-300, the stiffness coefficient of the spring is 20N/m, after the servo oil pump body is used for a long time, two disks can be pressed in the direction of the oil inlet pipe at the same time, the connecting rod is pushed by the disks to be close to the sliding hole, meanwhile, the two second racks on the connecting rod drive the corresponding gears to rotate at the same time, the two gears drive the vertical plate to be far away from the sliding hole through the two first racks, so that the clamping block can be pulled out from the clamping groove by the vertical plate, the filter cartridge can be detached for washing, when, when the bottom of the annular block contacts with the two clamping blocks, the two clamping blocks are pushed to be away from each other, and when the two clamping blocks are clamped into the corresponding clamping grooves, the two clamping blocks are close to each other and clamped into the corresponding clamping grooves under the action of the two springs, so that the filter cylinder is fixed in the oil inlet pipe.

The utility model is simple in operation, convenient to use can carry out prefiltering to the oil that enters into in the servo oil pump, has guaranteed the safety in utilization of servo oil pump.

Drawings

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

FIG. 2 is a front sectional view of the portion A in FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 2;

fig. 4 is an enlarged schematic structural view of a portion C in fig. 3.

In the figure: 1. a servo oil pump body; 2. an oil inlet pipe; 3. a ring block; 4. a card slot; 5. a chamber; 6. a slide hole; 7. a clamping block; 8. a vertical plate; 9. a spring; 10. mounting a plate; 11. a first rack; 12. a through hole; 13. a connecting rod; 14. a second rack; 15. a gear; 16. a filter cartridge.

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. 1-4, the present invention provides a technical solution: a servo oil pump for a molding machine comprises a servo oil pump body 1, wherein an oil inlet pipe 2 is arranged on the servo oil pump body 1, the oil inlet pipe 2 is communicated with the servo oil pump body 1, an annular block 3 is arranged in the oil inlet pipe 2, a filter cartridge 16 is fixedly arranged at the bottom of the annular block 3, clamping grooves 4 are respectively formed in two sides of the annular block 3, two cavities 5 are formed in the oil inlet pipe 2, a sliding hole 6 is formed in the inner wall of one side, close to the annular block 3, of each cavity 5, a clamping block 7 is slidably arranged in each sliding hole 6, one end, far away from each cavity 5, of each clamping block 7 extends into the corresponding clamping groove 4 and is slidably connected with the inner wall of the corresponding clamping groove 4, a vertical plate 8 is slidably arranged in each cavity 5, one end, far away from the clamping groove 4, of each clamping block 7 extends into each cavity 5 and is fixedly connected with the vertical plate 8, a spring 9, the spring 9 is slidably sleeved on the fixture block 7, two mounting plates 10 are fixedly mounted on one side of the vertical plate 8, which is far away from the sliding hole 6, first racks 11 are fixedly mounted on the mutually close sides of the two mounting plates 10, a through hole 12 is formed in the inner wall of one side of the cavity 5, which is far away from the sliding hole 6, a connecting rod 13 is slidably mounted in the through hole 12, one end of the connecting rod 13, which is close to the vertical plate 8, extends into the cavity 5, two second racks 14 are arranged in the cavity 5, the mutually close sides of the two second racks 14 are fixedly connected with the top and the bottom of the connecting rod 13 respectively, two gears 15 are arranged in the cavity 5, and the two gears 15 are meshed with the corresponding first racks 11;

two transverse rods are fixedly installed in the cavity 5, two gears 15 are respectively connected with the corresponding transverse rods in a rotating mode, the top and the bottom of the vertical plate 8 are respectively nested with balls, the two balls are respectively connected with the top and the bottom inner walls of the cavity 5 in a rolling mode, an annular groove is formed in the annular block 3, an oil ring is fixedly installed in the annular groove, the oil ring is connected with the inner wall of the oil inlet pipe 2 in a sliding mode, a sealing ring is fixedly installed in the through hole 12, a connecting rod 13 is connected with the inner wall of the sealing ring in a sliding mode, two limiting blocks are arranged in the cavity 5, one ends, close to each other, of the two limiting blocks are respectively fixedly connected with the top and the bottom of the connecting rod 13, one end, far away from the vertical plate 8, of the connecting rod 13 extends out of the through hole 12 and is fixedly provided with a disc, and the two transverse rods pass through, The model of the servo oil pump body 1 is KCB-300, the stiffness coefficient of the spring 9 is 20N/m, after the servo oil pump body 1 is used for a long time, two discs can be pressed in the direction of the oil inlet pipe 2 at the same time, the discs push the connecting rod 13 to be close to the sliding hole 6, the two second racks 14 on the connecting rod 13 drive the corresponding gears 15 to rotate at the same time, the two gears 15 pull the vertical plate 8 to be far away from the sliding hole 6 through the two first racks 11, so that the vertical plate 8 pulls the fixture blocks 7 out of the clamping grooves 4, the filter cartridge 16 can be detached for changing and washing, when the clean filter cartridge 16 is installed in the oil inlet pipe 2, only the annular block 3 needs to be installed in the oil inlet pipe 2 in a sliding mode, when the bottom of the annular block 3 contacts the two fixture blocks 7, just promoting two fixture blocks 7 and keeping away from each other, when two fixture blocks 7 card advance in the draw-in groove 4 that corresponds, under the effect of two springs 9, two fixture blocks 7 are close to each other and block in advancing the draw-in groove 4 that corresponds to strain a section of thick bamboo 16 and just fixed into advancing oil pipe 2 in, the utility model is simple in operation, convenient to use can carry out prefiltering to the oil that enters into in the servo oil pump, have guaranteed the safety in utilization of servo oil pump.

The working principle is as follows: the model of the servo oil pump body 1 is KCB-300, the stiffness coefficient of the spring 9 is 20N/m, after the servo oil pump body 1 is used for a long time, two discs can be pressed simultaneously in the direction of the oil inlet pipe 2, the discs push the connecting rod 13 to be close to the sliding hole 6, meanwhile, two second racks 14 on the connecting rod 13 drive corresponding gears 15 to rotate simultaneously, the two gears 15 pull the vertical plate 8 to be far away from the sliding hole 6 through two first racks 11, so that the vertical plate 8 pulls the fixture blocks 7 out of the clamping grooves 4, the filter cylinder 16 can be detached for changing and washing, when a clean filter cylinder 16 is installed in the oil inlet pipe 2, the annular block 3 is only required to be installed in the oil inlet pipe 2 in a sliding mode, when the bottom of the annular block 3 contacts the two fixture blocks 7, the two fixture blocks 7 are pushed to be far away from each other, when the two fixture blocks 7 are clamped in the corresponding clamping grooves 4, under the action of the two springs 9, the two clamping blocks 7 approach each other and are clamped into the corresponding clamping grooves 4, so that the filter cartridge 16 is fixed in the oil inlet pipe 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a servo oil pump for molding machine, includes servo oil pump body (1), its characterized in that: the oil feeding device is characterized in that an oil feeding pipe (2) is arranged on the servo oil pump body (1), the oil feeding pipe (2) is communicated with the servo oil pump body (1), an annular block (3) is arranged in the oil feeding pipe (2), a filter cartridge (16) is fixedly arranged at the bottom of the annular block (3), clamping grooves (4) are formed in two sides of the annular block (3), two cavities (5) are formed in the oil feeding pipe (2), a sliding hole (6) is formed in the inner wall of one side, close to the annular block (3), of each cavity (5), a clamping block (7) is slidably arranged in each sliding hole (6), one end, far away from each cavity (5), of each clamping block (7) extends into the corresponding clamping groove (4) and is in sliding connection with the inner wall of each clamping groove (4), a vertical plate (8) is slidably arranged in each cavity (5), and one end, far away from each clamping groove (4), of each clamping block (7), extends, the improved structure is characterized in that a spring (9) is fixedly mounted on one side, close to the sliding hole (6), of the vertical plate (8), one end, far away from the vertical plate (8), of the spring (9) is fixedly connected with the inner wall of one side, close to the annular block (3), of the cavity (5), the spring (9) is slidably sleeved on the fixture block (7), two mounting plates (10) are fixedly mounted on one side, far away from the sliding hole (6), of the vertical plate (8), a first rack (11) is fixedly mounted on one side, close to each other, of the two mounting plates (10), a through hole (12) is formed in the inner wall of one side, far away from the sliding hole (6), a connecting rod (13) is slidably mounted in the through hole (12), one end, close to the vertical plate (8), of the connecting rod (13) extends into the cavity (5), two second racks (14) are arranged in the cavity (5), one side, close to each other, of the two, two gears (15) are arranged in the cavity (5), and the two gears (15) are respectively meshed with the corresponding first rack (11) and the second rack (14).

2. The servo oil pump for molding machine according to claim 1, characterized in that: two cross rods are fixedly installed in the cavity (5), and the two gears (15) are respectively and rotatably connected with the corresponding cross rods.

3. The servo oil pump for molding machine according to claim 1, characterized in that: the top and the bottom of the vertical plate (8) are all nested with balls, and the two balls are respectively in rolling connection with the inner walls of the top and the bottom of the cavity (5).

4. The servo oil pump for molding machine according to claim 1, characterized in that: an annular groove is formed in the annular block (3), an oil ring is fixedly installed in the annular groove, and the oil ring is connected with the inner wall of the oil inlet pipe (2) in a sliding mode.

5. The servo oil pump for molding machine according to claim 1, characterized in that: and a sealing ring is fixedly arranged in the through hole (12), and the connecting rod (13) is connected with the inner wall of the sealing ring in a sliding manner.

6. The servo oil pump for molding machine according to claim 1, characterized in that: be equipped with two stoppers in cavity (5), the one end that two stoppers are close to each other respectively with the top and the bottom fixed connection of connecting rod (13), and connecting rod (13) keep away from the one end of riser (8) and extend to through-hole (12) outside and fixed mounting have the disc.