CN113145713A

CN113145713A - Compressor bearing bush production equipment and production process thereof

Info

Publication number: CN113145713A
Application number: CN202110478259.7A
Authority: CN
Inventors: 童林灿; 温德卫
Original assignee: Zhejiang Zhongyue Machinery Technology Co ltd
Current assignee: Zhejiang Zhongyue Machinery Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-07-23
Anticipated expiration: 2041-04-30
Also published as: CN113145713B

Abstract

The invention discloses compressor bearing bush production equipment which comprises a rack, an upper die and a lower die, wherein a guide rod is arranged between the upper die and the rack, the lower die is arranged on the rack, a first sliding block and a second sliding block which are matched with each other are arranged in the upper die, an insert cavity matched with a bearing bush lining is arranged on the first sliding block and the second sliding block, a first moving part and a second moving part which enable the first sliding block and the second sliding block to move in a mirror image mode are symmetrically arranged on the upper die, and a jacking part capable of enabling the lower die to longitudinally move is arranged on the lower die.

Description

Compressor bearing bush production equipment and production process thereof

Technical Field

The invention relates to the technical field of compressor bearing bush production equipment, in particular to compressor bearing bush production equipment and a production process thereof.

Background

The bearing bush is a commonly used assembly part in the compressor, and is mainly installed between a bearing and a shaft, so that the bearing bush has a bearing effect and can enable sliding shafts to slide more smoothly. The bearing bush adopted in the large-scale compressor is usually a thick-wall bearing bush, the inner wall of the thick-wall bearing bush is usually easy to wear and needs to be replaced frequently, great inconvenience is brought to production, and a layer of bearing alloy (called as a bearing bush) can be poured on the inner surface of the bearing bush for improving the friction performance. In order to make the bearing alloy and the bearing bush well attached, tenons, grooves or threads in various forms are often manufactured on the inner surface of the bearing bush, a press is usually adopted for producing the composite bearing bush, the existing punching mode is difficult to process the composite bearing bush, the composite bearing bush can not be punched at one time, multiple processes are needed for punching, the workload is greatly increased, and the production efficiency is reduced.

Disclosure of Invention

The invention provides production equipment and a production process of a compressor bearing bush, aiming at the defects in the prior art.

In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides a compressor axle bush production facility, includes the frame, goes up mould and lower mould, it is equipped with the guide arm to go up between mould and frame, the lower mould is located in the frame.

In the above-mentioned scheme, it is preferred, be equipped with first sliding block and the second sliding block of mutually supporting in going up the mould, be equipped with on first sliding block and the second sliding block with axle bush inside lining matched with cavity of inserting, it is equipped with the first removal portion and the second removal portion that make first sliding block and second sliding block mirror image remove to go up the symmetry on the mould, be equipped with the jacking portion that can supply lower mould longitudinal displacement on the lower mould, its beneficial effect lies in: the utility model provides a mould that the mould inner chamber can change makes compound axle bush can one-time stamping forming.

In the above scheme, preferably, the first moving portion includes a first rack, a first spring, and a first rotating portion, the first rack is located on the upper die, the first rotating portion is matched with the first spring, the first spring is located between the first rotating portion and the upper die, the first rotating portion is used for providing sliding power for the first rack, the upper die is provided with a first engaging portion, the first engaging portion is used for enabling the first rotating portion to slide, and the first moving portion has the following beneficial effects: the specific structure of the first moving part is provided, so that the first moving part drives the sliding block to slide.

In the above scheme, it is preferred, first rotation portion is including first pivot, first gear, second gear and first response piece, first pivot both ends are located to first gear and first response piece, the second gear is located in the first pivot, be equipped with in the last mould and supply the gliding first cavity of second gear, be equipped with in the frame with first gear matched with second rack, its beneficial effect lies in: the specific structure of the first rotating part is provided, so that the first rotating part drives the rack to enable the sliding block to slide linearly through gear rotation.

In the above-mentioned scheme, it is preferred, go up the mould and be equipped with the first electro-magnet with first response piece matched with, its beneficial effect lies in: the first induction block drives the first rotating shaft and the gear on the first rotating shaft to slide together when attracting.

In the above-mentioned scheme, it is preferred, the second removal portion including locate last third rack, the second spring on the mould and with third rack matched with second rotation portion, the second spring is located between second rotation portion and the last mould, the second rotation portion is used for providing third rack slip power, be equipped with on the mould with second rotation portion matched with second actuation portion, second actuation portion is used for making second rotation portion slide, and its beneficial effect lies in: the specific structure of the second moving part is provided, so that the second moving part can drive the sliding block to slide.

In the above scheme, it is preferable that the second rotating portion includes a second rotating shaft, a third gear, a fourth gear and a second sensing block, the third gear and the second sensing block are disposed at two ends of the second rotating shaft, the fourth gear is disposed on the second rotating shaft, a second cavity for sliding the fourth gear is disposed in the upper die, a fourth rack matched with the third gear is disposed on the frame, and the beneficial effects are that: the specific structure of the second rotating part is provided, so that the second rotating part drives the rack to enable the sliding block to slide linearly through gear rotation.

In the above-mentioned scheme, it is preferred, go up the mould and be equipped with the second electro-magnet with second response piece matched with, its beneficial effect lies in: provides a suction way of the second induction block, so that the second induction block drives the second rotating shaft and the gear on the second rotating shaft to slide together when in suction

In the above scheme, it is preferred that the jacking portion is a jacking cylinder, jacking cylinder piston rod end portion links to each other with the lower mould, in the frame cavity was located to jacking cylinder bottom, its beneficial effect lies in: the jacking mode of the lower die is provided, so that the lower die can rise for a certain distance along with the upper die.

In the above scheme, it is preferred, be equipped with first boss and second boss on the first rack, be equipped with respectively with first boss and second boss matched with first button and second button in the frame, first button passes through the cable and links to each other with first electro-magnet, the second button passes through the cable and links to each other with the jacking jar, be equipped with in the frame with first boss matched with third button, it links to each other with the second electro-magnet to state the third button through the cable, the frame top is equipped with and goes up mould matched with fourth button, the fourth button passes through the cable and all links to each other with first electro-magnet, second electro-magnet and jacking jar, provides the control mode of an electro-magnet and jacking jar, controls its outage and on-state through button switch, realizes automaticly.

The method for using the production equipment and the production process of the compressor bearing bush comprises the following steps: firstly, when the first sliding block and the second sliding block are in a fit state during primary stamping, placing a bush lining blank on a lower die, and forming a bush lining after stamping; after the jacking part drives the lower die to lift one end distance together with the upper die after the stamping of the upper die is completed, the first moving part and the second moving part control the mirror displacement of the first sliding block and the second sliding block, the upper die is separated from the bearing bush lining, and then the upper die continues to lift the process, the first moving part and the second moving part control the first sliding block and the second sliding block to continuously carry out the mirror displacement, so that a cavity matched with the bearing bush outer lining is reserved between the first sliding block and the second sliding block, and then the bearing bush outer lining blank is placed on the bearing bush lining, and is stamped again, so that the bearing bush outer blank and the bearing bush lining are stamped into a whole, and the stamping device has the beneficial effects that: the application method of the production process of the compressor bearing bush is provided, so that the composite bearing bush can be formed by one-time stamping, and the working procedures are saved.

The invention has the beneficial effects that: the invention saves the stamping process of the composite bearing bush, saves the cost of the stamping die, ensures that the stamping can be finished at one time, saves the production cost and improves the production efficiency.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic longitudinal sectional structure of the present invention.

Fig. 3 is a partial sectional structural schematic view of the present invention.

FIG. 4 is a cross-sectional structural view of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-4, a compressor bearing bush production device comprises a frame 1, an upper die 2 and a lower die 3, wherein a guide rod 4 is arranged between the upper die 2 and the frame 1, and the lower die 3 is arranged on the frame 1.

Preferably, frame 1 lower part is equipped with the cavity, be equipped with the jacking portion in the cavity, the jacking portion is connected with lower mould 3, lower mould 3 is the straight line jacking when the jacking, and is preferred, jacking portion is preferred to be equipped with jacking cylinder 32, preferred cylinder or pneumatic cylinder of jacking cylinder 32, cylinder or hydraulic pressure are controlled its lift by the cable more.

Preferably, a first sliding block 5 and a second sliding block 6 which are matched with each other are arranged in the upper die 2, the first sliding block 5 and the second sliding block 6 can punch a bearing bush inner lining when being closed and can punch a bearing bush outer lining when being opened, a convex insert is formed at the joint of the bearing bush inner lining and the bearing bush outer lining after punching, an insert cavity 7 matched with the convex insert is arranged at the joint of the first sliding block 5 and the second sliding block 6 when being closed, and a guide rod is preferably arranged between the first sliding block 5 and the upper die 2 and between the first sliding block 5 and the second sliding block 6 and the upper die 2, so that the first sliding block 5 and the second sliding block 6 can slide in the upper die 2.

Preferably, the upper die 2 is symmetrically provided with a first moving portion and a second moving portion for moving the first sliding block 5 and the second sliding block 6 in a mirror image manner, that is, the first sliding block 5 is provided with the first moving portion and the second moving portion, the second sliding block 6 is also provided with the first moving portion and the second moving portion, and the first moving portion and the second moving portion provided on the first sliding block 5 and the second sliding block 6 are arranged in a mirror image manner on a joint surface of the first sliding block 5 and the second sliding block 6.

Preferably, the first moving portion includes a first rack 8, a first spring 9, and a first rotating portion matched with the first rack 8, the first rack 8 is fixedly disposed on the upper mold 2, the first rotating portion includes a first rotating shaft 10, a first gear 11, a second gear 12, and a first sensing block 13, the first spring 9 is sleeved on the first rotating shaft 10, and two ends of the first spring respectively abut against the outer end surface of the upper mold 2 and the first gear 11, the first rotating shaft 10 is rotatably disposed on the upper mold 2, preferably, a sliding bearing is disposed between the first rotating shaft 10 and the upper mold 2, the first gear 11 and the first sensing block 13 are disposed at two ends of the first rotating shaft 10, the second gear 12 is disposed in the middle of the first rotating shaft 10, and a first cavity 14 matched with the second gear 12 is disposed in the upper mold 2 for sliding, the second gear 12 is a gear matched with the first rack 8, preferably, the first rotating shaft 10, the first gear 11, the second gear 12 and the first induction block 13 are preferably integrated, and may be welded or integrally molded.

Preferably, a second rack 15 matched with the first gear 11 is arranged on the rack 1, the second rack 15 is fixedly arranged on the rack 1, a tooth part of the second rack 15 is close to the outer side of the rack 1, the first gear 11 is a long gear, and the first gear 11 and the second rack 15 are always in a meshed state.

Preferably, the upper die 2 is provided with a first absorption part matched with the first sensing block 13 on the first rotating part, and the first absorption part is a first electromagnet 16 and a mounting bracket thereof.

Preferably, the second moving portion includes a third rack 17, a second spring 18, and a second rotating portion matched with the third rack 17, which are disposed on the upper die 2, and preferably, the second rotating portion includes a second rotating shaft 19, a third gear 20, a fourth gear 21, and a second sensing block 22, the second spring 18 is sleeved on the second rotating shaft 19, and two ends of the second spring respectively abut against the third gear 20 and the outer end surface of the upper die 2, the third gear 20 and the second sensing block 22 are respectively disposed at two ends of the second rotating shaft 19, the fourth gear 21 is disposed in the middle of the second rotating shaft 19, and a second cavity 23 for the fourth gear 21 to slide is disposed in the upper die 2.

Preferably, the rack 1 is provided with a fourth rack 24 matched with the third gear 20, the fourth rack 24 is fixedly arranged on the rack 1, the tooth surface of the fourth rack 24 faces one side of the upper die 2, preferably, the upper die 2 is provided with a second electromagnet 25 matched with the second induction block 22, the second electromagnet 25 attracts the second induction block 22 to enable the fourth gear 21 to be meshed with the third rack 17, and the third gear 20 is a long gear and is always matched with the fourth rack 24.

Preferably, the first rack 8 is provided with a first boss 26 and a second boss 27, the rack 1 is provided with a first button 28 and a second button 29 respectively matched with the first boss 26 and the second boss 27, that is, the first boss 26 and the second boss 27 respectively abut against the first button 28 and the second button 29 when the upper die 2 descends to the bottom of the first rack 8, the first button 28 is connected with the first electromagnet 16 through a cable, the second button 29 is connected with a control cable of a jacking cylinder 32 through a cable, the rack 1 is provided with a third button 30 matched with the first boss 26, that is, the first boss 26 can abut against the third button 30 when the first rack 8 moves outwards and then moves integrally to the bottom from the lower die 2, the third button 30 is connected with the second electromagnet 25 through a cable, the top of the rack 1 is provided with a fourth button 31 matched with the upper die 2, the fourth button 31 is connected with the first electromagnet 16, the second electromagnet 25 and the jacking cylinder 32 through cables, the first electromagnet 16 and the second electromagnet 25 are powered off after the fourth button 31 is contacted, and meanwhile the fourth button 31 controls the jacking cylinder 32 to recover.

Using the method as in the previous example, the steps are as follows: firstly, in an initial state, the first sliding block 5 and the second sliding block 6 are in a joint state, the first electromagnet 16 and the second electromagnet 25 are in a power-off state, so that the second gear 12 and the first rack 8 are in a disengagement state when the first spring 9 and the second spring 18 are in a free extension state, and meanwhile, the fourth gear 21 and the third rack 17 are also in a disengagement state, at the moment, a bush lining blank is put on the lower die 3, a press is started, the upper die 2 and the lower die 3 are combined and stamped, a part of the blank is extruded into the insert cavity 7, and the bush lining is formed; secondly, when the upper die 2 is pressed to the bottom, a first boss 26 and a second boss 27 which are arranged on the first rack 8 are respectively contacted with a first button 28 and a second button 29, the first button 28 enables the first electromagnet 16 to be electrified, the second button 29 controls the jacking cylinder 32 to jack, the first electromagnet 16 is electrified to attract the first induction block 13, the first rotating shaft 10 integrally slides to the inner side, so that the second gear 12 is meshed with the first rack 11, at the moment, the press drives the upper die 2 to slide upwards, at the moment, the lower die 3 and the upper die 2 simultaneously move upwards due to jacking of the jacking cylinder 32, the first gear 11 rolls on the second rack 15, the second gear 12 is driven to drive the first rack 11 to slide outwards, namely, the first sliding block 5 and the second sliding block 6 slide towards opposite directions, and the insert cavity 7 is separated; thirdly, when the jacking cylinder 32 rises to a set stroke, the lower die 3 does not rise any more, the upper die and the lower die are separated, the upper die 2 rises to the top and is contacted with the fourth button 31, so that the first electromagnet 16 is powered off, and meanwhile, the fourth button 31 controls the jacking cylinder 32 to reset; fourthly, when the upper die 2 rises to the top, a cavity capable of stamping the bearing bush outer lining is formed between the first sliding block 5 and the second sliding block 6, the bearing bush outer lining blank is placed on the bearing bush inner lining, and the upper die 2 is pressed downwards to the bottom to press and mould the bearing bush outer lining blank and the bearing bush inner lining into a whole to form a composite bearing bush; and fifthly, when the first boss 26 on the first rack 11 is on the outer side and is contacted with the third button 30 when the first boss descends to the bottom, the third button 30 controls the second electromagnet 25 to be electrified, so that the second electromagnet 25 is attracted with the second induction block 22, the fourth gear 21 is meshed with the third rack 17, when the upper die 2 finishes stamping, the third gear 20 rolls on the fourth rack 24, namely the third gear 20 rotates to drive the fourth gear 21 to rotate so that the third rack 17 slides inwards, so that the first sliding block 5 is attached to the second sliding block 6, and the next stamping process is restarted.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a compressor axle bush production facility, includes frame (1), goes up mould (2) and lower mould (3), it is equipped with guide arm (4) to go up between mould (2) and frame (1), on frame (1) was located in lower mould (3), its characterized in that: a first sliding block (5) and a second sliding block (6) which are matched with each other are arranged in the upper die (2), an insert cavity (7) matched with a bearing bush lining is arranged on the first sliding block (5) and the second sliding block (6), and a first moving part and a second moving part which enable the first sliding block (5) and the second sliding block (6) to move in a mirror image mode are symmetrically arranged on the upper die (2);

and the lower die (3) is provided with a jacking part for the longitudinal displacement of the lower die (3).

2. The compressor bearing shell production facility of claim 1, wherein: first removal portion is including locating first rack (8), first spring (9) on last mould (2) and with first rack (8) matched with first rotation portion, first rotation portion is located between first rotation portion and last mould (2) in first spring (9), first rotation portion is used for providing first rack (8) slip power, be equipped with on last mould (2) with first rotation portion matched with first absorption portion, first absorption portion is used for making first rotation portion slide.

3. The compressor bearing shell production facility of claim 2, wherein: first rotation portion is including first pivot (10), first gear (11), second gear (12) and first response piece (13), first pivot (10) both ends are located in first gear (11) and first response piece (13), second gear (12) are located on first pivot (10), upward be equipped with in mould (2) and supply gliding first cavity (14) of second gear (12), be equipped with on frame (1) with first gear (11) matched with second rack (15).

4. A compressor bearing shell production facility according to claim 3, wherein: and the upper die (2) is provided with a first electromagnet (16) matched with the first induction block (13).

5. The compressor bearing shell production facility of claim 1, wherein: the second removes the portion including locating third rack (17), second spring (18) on last mould (2) and with third rack (17) matched with second rotation portion, second rotation portion is located in second spring (18) and last mould (2) between, the second rotation portion is used for providing third rack (17) slip power, upward be equipped with on mould (2) with second rotation portion complex second actuation portion, second actuation portion is used for making the second rotation portion slide.

6. The compressor bearing shell production facility of claim 5, wherein: the second rotates the portion including second pivot (19), third gear (20), fourth gear (21) and second response piece (22), second pivot (19) both ends are located in third gear (20) and second response piece (22), fourth gear (21) are located on second pivot (19), upward be equipped with in mould (2) and supply gliding second cavity (23) of fourth gear (21), be equipped with on frame (1) with third gear (20) matched with fourth rack (24).

7. The compressor bearing shell production facility of claim 6, wherein: and a second electromagnet (25) matched with the second induction block (22) is arranged on the upper die (2).

8. The compressor bearing shell production facility of claim 1, wherein: the jacking portion is a jacking cylinder (32), the end portion of a piston rod of the jacking cylinder (32) is connected with the lower die (3), and the bottom of the jacking cylinder (31) is arranged in a cavity of the rack (1).

9. The compressor bearing shell production facility of claim 2, wherein: be equipped with first boss (26) and second boss (27) on first rack (8), be equipped with on frame (1) respectively with first boss (26) and second boss (27) matched with first button (28) and second button (29), first button (28) link to each other with first electro-magnet (16) through the cable, second button (29) link to each other with jacking jar (32) through the cable, be equipped with on frame (1) with first boss (26) matched with third button (30), it links to each other with second electro-magnet (25) through the cable to state third button (30), frame (1) top is equipped with and goes up mould (2) matched with fourth button (31), fourth button (31) all link to each other with first electro-magnet (16), second electro-magnet (25) and jacking jar (32) through the cable.

10. A method of using the compressor bearing shell manufacturing apparatus and process of claim 1, comprising the steps of: firstly, when the first sliding block and the second sliding block are in a fit state during primary stamping, placing a bush lining blank on a lower die, and forming a bush lining after stamping; and secondly, after the upper die is stamped, the jacking part drives the lower die and the upper die to lift together for a certain distance, the first moving part and the second moving part control the first sliding block and the second sliding block to perform mirror image displacement, the upper die is separated from the bearing bush lining, and then in the process of continuously lifting the upper die, the first moving part and the second moving part control the first sliding block and the second sliding block to perform continuous mirror image displacement, so that a cavity matched with the bearing bush outer lining is reserved between the first sliding block and the second sliding block, and then the bearing bush outer lining blank is placed on the bearing bush lining and is stamped again to stamp the bearing bush outer blank and the bearing bush lining into a whole.