CN215316889U - Compressor main shaft press-fitting equipment - Google Patents

Abstract

The utility model provides a compressor main shaft press-mounting device, which comprises a bearing press-mounting mechanism and a first tool mechanism, wherein the first tool mechanism comprises a first positioning sleeve, a first elastic part and a first top shaft, the top end of the first top shaft extends in the vertical direction and is inserted into the first positioning sleeve to be close to the first end of a workbench, the first elastic part forces the top end of the first top shaft to be close to the second end of the first positioning sleeve far away from the workbench, the bearing press-mounting mechanism comprises a first control assembly, a lifting plate, a second control assembly, a pressure head assembly, a third control assembly and a second top shaft, the first control assembly can control the lifting plate to move in the vertical direction, the pressure head assembly comprises a sliding plate, the sliding plate is movably supported on the side face of the lifting plate close to the first positioning sleeve. The compressor spindle press-fitting equipment is high in automation degree, high in press-fitting precision and convenient and efficient to operate.

Description

Compressor main shaft press-fitting equipment

Technical Field

The utility model relates to the technical field of compressor production, in particular to a compressor main shaft press-fitting device.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is a heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from an air suction pipe, compresses the refrigerant gas, and discharges high-temperature high-pressure refrigerant gas to an air discharge pipe to provide power for a refrigeration cycle. Referring to fig. 1 and 2, a conventional compressor includes a main shaft 12, a first bearing 13, a second bearing 14, and a bearing housing 11, wherein the first bearing 13 and the second bearing 14 are respectively press-fitted on the main shaft 12, and the bearing housing 11 is thermally sleeved on the first bearing 13 and the second bearing 14.

The main shaft 12, the first bearing 13, the second bearing 14 and the bearing seat 11 of the existing compressor are assembled independently by adopting a plurality of devices, so that the automation degree is low, and the production efficiency is low.

Disclosure of Invention

The utility model mainly aims to provide compressor main shaft press-fitting equipment which is high in automation degree, high in press-fitting precision, convenient to operate and high in efficiency.

In order to achieve the main purpose of the utility model, the utility model provides compressor main shaft press-fitting equipment which comprises a workbench, and a bearing press-fitting mechanism and a first tool mechanism which are arranged on the workbench, wherein the first tool mechanism comprises a first positioning sleeve, a first elastic part and a first top shaft, the first positioning sleeve is arranged on the workbench, the top end of the first top shaft extends in the vertical direction and is inserted into the first end, close to the workbench, of the first positioning sleeve, the first elastic part forces the top end of the first top shaft to be close to the second end, far away from the workbench, of the first positioning sleeve, the bearing press-fitting mechanism comprises a first control assembly, a lifting plate, a second control assembly, a pressure head assembly, a third control assembly and a second top shaft, the lifting plate is arranged above the first positioning sleeve in the vertical direction, the first control assembly can control the lifting plate to move in the vertical direction, and the pressure head assembly comprises a sliding plate, a pressure bearing sleeve, a first elastic part and a second elastic part, The sliding plate is movably supported on the side surface of the lifting plate close to the first positioning sleeve, the second control assembly can control the sliding plate to move in the horizontal direction, the pressure bearing sleeve and the first pressure sleeve are respectively positioned on the side surface of the sliding plate close to the workbench, the first positioning posts are arranged on the ring wall of the first pressure sleeve, the ball head of each first positioning post can telescopically protrude out of the inner peripheral wall of the first pressure sleeve in the radial direction of the first pressure sleeve, the floating pressure plate is movably supported on the sliding plate and positioned right below the pressure bearing sleeve in the vertical direction, the floating pressure plate is forced to be far away from the pressure bearing sleeve by the second elastic member, the second pressure sleeve is positioned on the side surface of the floating pressure plate close to the workbench and positioned right below the pressure bearing sleeve in the vertical direction, the second positioning posts are arranged on the ring wall of the second pressure sleeve, the ball head of each second positioning column can telescopically protrude out of the inner peripheral wall of the second pressing sleeve in the radial direction of the second pressing sleeve, the second jacking shaft extends in the vertical direction and penetrates through the lifting plate, the third control component can control the second jacking shaft to move in the vertical direction, and the jacking end of the second jacking shaft can be inserted into the first pressing sleeve or the second pressing sleeve.

According to the scheme, the first end of the main shaft of the compressor is inserted into the first positioning sleeve from the second port of the first positioning sleeve, and the first elastic piece forces the top end of the first ejector shaft to be close to the second end of the first positioning sleeve and to be pressed against the first end of the main shaft for positioning, so that the main shaft is vertically kept in the first positioning sleeve of the first tooling mechanism. Meanwhile, the first bearing is pressed into a first pressing sleeve of the pressing head assembly, the ball heads of the first positioning columns are respectively pressed on the peripheral wall of the first bearing in the radial direction of the first pressing sleeve, so that the first bearing is kept in the first pressing sleeve, the second bearing is pressed into a second pressing sleeve of the pressing head assembly, and the ball heads of the second positioning columns are respectively pressed on the peripheral wall of the second bearing in the radial direction of the second pressing sleeve, so that the second bearing is kept in the second pressing sleeve. Wherein the inner diameter and the outer diameter of the second bearing are larger than those of the first bearing. Then, the second control assembly controls the sliding plate to move in the horizontal direction, so that the second pressing sleeve is located right above the first positioning sleeve, the first control assembly controls the lifting plate to move downwards in the vertical direction, and the lifting plate drives the pressing head assembly to move downwards. Along with the downward movement of the pressure head assembly in the vertical direction, the third control assembly controls the second ejector shaft to move downward in the vertical direction, so that the ejector tip of the second ejector shaft is inserted into the second pressing sleeve and is firstly pressed against the second end of the main shaft for positioning, and then the second bearing sleeve is sleeved on the second end of the main shaft. The second bearing is forced to enable the floating pressure plate to be close to and abut against the pressure-bearing sleeve under the reaction force of the second end of the main shaft, and the pressure-bearing sleeve forces the floating pressure plate to drive the second pressure sleeve and the second bearing to move downwards to be pressed on the main shaft along with the continuous downward movement of the pressure head assembly in the vertical direction. After the second shaft is pressed and assembled, the first control assembly controls the lifting plate to move upwards in the vertical direction, the lifting plate synchronous belt pressure head assembly moves upwards, the third control assembly controls the second jacking shaft to move upwards in the vertical direction to reset, the second elastic piece forces the floating pressure plate to be far away from the pressure-bearing sleeve to reset, and the second elastic piece enables the floating pressure plate and the second pressure sleeve to have a press-assembling buffering force, so that the working reliability and precision of the device are improved. Subsequently, the second control assembly controls the sliding plate to move in the horizontal direction, so that the first pressing sleeve is located right above the first positioning sleeve, the first control assembly controls the lifting plate to move downwards in the vertical direction, and the lifting plate drives the pressing head assembly to move downwards. Along with the downward movement of the pressure head assembly in the vertical direction, the third control assembly controls the second ejector shaft to move downward in the vertical direction, so that the ejector tip of the second ejector shaft is inserted into the first pressing sleeve and is firstly pressed against the second end of the main shaft for positioning, and then the first bearing sleeve is sleeved on the second end of the main shaft. Along with the continuous downward movement of pressure head subassembly in vertical direction, first pressure cover drives first bearing and moves down the pressure equipment on the main shaft. After the first bearing is completely pressed and assembled, the first control assembly controls the lifting plate to move upwards in the vertical direction, the lifting plate synchronous belt pressing head assembly moves upwards, and the third control assembly controls the second jacking shaft to move upwards in the vertical direction for resetting. The main shaft of the compressor, the first bearing and the second bearing are automatically pressed and mounted through the bearing pressing and mounting mechanism and the first tooling mechanism, the automation degree is high, the operation is convenient and efficient, and the main shaft is fixed in the vertical direction by utilizing the top tip of the first top shaft and the top tip of the second top shaft, so that the working performance is reliable, the pressing and mounting precision is high, the structure of the equipment is simple, and the production cost is saved.

Preferably, the second control assembly comprises a first control cylinder, a first guide rail and a first sliding block, the first guide rail is located on the side surface, close to the first positioning sleeve, of the lifting plate in a manner of extending in the horizontal direction, the first sliding block is mounted on the sliding plate and movably matched with the first guide rail, and a piston rod of the first control cylinder is connected with the sliding plate.

According to a further scheme, the first tooling mechanism further comprises a first base, the first base is located on the workbench, the first positioning sleeve is located on the first base, the first base is provided with a first accommodating groove, the first accommodating groove extends in the vertical direction, the first elastic piece is a first compression spring, the shaft shoulder end of the first jacking shaft is located in the first accommodating groove, the first compression spring is located in the first accommodating groove, and two ends of the first compression spring are respectively abutted between the shaft shoulder end of the first jacking shaft and the groove face of the first accommodating groove.

According to a further scheme, the pressure head assembly further comprises a guide pillar, a first end of the guide pillar is connected with the floating pressure plate, a second end of the guide pillar extends in the vertical direction and penetrates through the sliding plate, the second elastic piece is a second compression spring, the second compression spring is sleeved on the guide pillar, and two ends of the second compression spring are respectively abutted between the sliding plate and the floating pressure plate.

The further proposal is that the compressor main shaft press-fitting equipment also comprises a hot-fitting mechanism, a second tool mechanism, a heating coil and a heating machine, the hot-fitting mechanism comprises a fourth control assembly, a moving plate, a mounting plate, a third elastic piece, a fifth control assembly, a plurality of clamping jaws and a press ring, the fourth control assembly can control the moving plate to move in the vertical direction and the horizontal direction, the second tool mechanism and the heating coil are arranged on the workbench side by side in the horizontal moving direction of the moving plate, the heating machine is electrically connected with the heating coil, the second tool mechanism comprises a second locating sleeve, a fourth elastic piece and a third top shaft, the second locating sleeve is positioned on the workbench, the top end of the third top shaft extends in the vertical direction and is inserted into the first end of the second locating sleeve close to the workbench, the fourth elastic piece forces the top end of the third top shaft close to the second locating sleeve and far away from the second end of the workbench, the movable plate is located the top of second position sleeve on vertical direction, and the mounting panel movably supports in the movable plate and is close to one side of workstation, and the mounting panel is forced to keep away from the movable plate by the third elastic component, and fifth control assembly installs on the side that the mounting panel is close to the workstation, and the controllable a plurality of clamping jaws of fifth control assembly move towards or keep away from each other, and the clamping ring is located the region that encloses between a plurality of clamping jaws, and the clamping ring supports on the movable plate.

According to a further scheme, the compressor spindle press-fitting equipment further comprises a plurality of cooling pipes, the cooling pipes are distributed on the outer side of the second tooling mechanism and are mounted on the workbench, an air inlet end of each cooling pipe is externally connected with an air cooler, and an air outlet end of each cooling pipe faces the upper portion of the second positioning sleeve.

According to a further scheme, the compressor main shaft press-fitting equipment further comprises a protective cover, wherein the protective cover extends in an arc shape and is arranged on the periphery of the heating coil and mounted on the workbench.

The hot-assembly mechanism further comprises a limiting sleeve, the limiting sleeve is installed on the side face, close to the moving plate, of the installation plate, the third elastic piece is a third compression spring, the first end of the third compression spring is located in a limiting hole of the limiting sleeve and abuts against the side face, close to the moving plate, of the installation plate, and the second end of the third compression spring abuts against the side face, close to the installation plate, of the moving plate.

The third tool mechanism further comprises a second base, the second base is located on the workbench, the second positioning sleeve is located on the second base, the second base is provided with a second accommodating groove, the second accommodating groove extends in the vertical direction, the fourth elastic piece is a fourth compression spring, the shaft shoulder end of the third top shaft is located in the second accommodating groove, the fourth compression spring is located in the second accommodating groove, and two ends of the fourth compression spring abut against the shaft shoulder end of the third top shaft and the groove surface of the second accommodating groove respectively.

The compressor main shaft press fitting equipment further comprises a third tool mechanism, the third tool mechanism comprises a bottom plate, a tool plate and a plurality of fastening components, the bottom plate is installed on the workbench, the tool plate is located on the bottom plate, mounting grooves are formed in a plurality of side faces of the tool plate, each fastening component comprises a pressing sleeve, a reset spring and a stud, the pressing sleeves are located on the bottom plate, shaft shoulder ends of the pressing sleeves can be located in the mounting grooves, screwing ends of the studs are located on the shaft shoulder ends of the pressing sleeves, threaded ends of the studs extend in the vertical direction and penetrate through the pressing sleeve, threaded ends of the studs are in threaded connection with the bottom plate, the reset springs are located in the avoiding grooves of the pressing sleeves and are sleeved on the studs, and two ends of the reset springs are respectively abutted between the bottom faces of the avoiding grooves and the bottom plate.

Drawings

Fig. 1 is a partial configuration diagram of a conventional compressor.

Fig. 2 is a partial exploded view of a conventional compressor.

Fig. 3 is a first perspective view structural view of the embodiment of the compressor main shaft press-fitting apparatus of the present invention.

Fig. 4 is a second perspective view structural view of the embodiment of the compressor main shaft press-fitting apparatus of the present invention.

Fig. 5 is a structural diagram of the cooperation between the bearing press-fitting mechanism and the first tooling mechanism in the embodiment of the compressor main shaft press-fitting device of the utility model.

Fig. 6 is a first perspective view structural view of a bearing press-fitting mechanism in an embodiment of a compressor main shaft press-fitting apparatus of the present invention.

Fig. 7 is a second perspective view structural view of a bearing press-fitting mechanism in the embodiment of the compressor main shaft press-fitting apparatus of the present invention.

Fig. 8 is a sectional view of the bearing press-fitting mechanism in the embodiment of the compressor main shaft press-fitting apparatus of the present invention.

Fig. 9 is a first partially exploded view of a first tooling mechanism in an embodiment of a compressor spindle press-fitting apparatus of the present invention.

Fig. 10 is a second partially exploded view of the first tooling mechanism in an embodiment of the compressor spindle press-fitting apparatus of the present invention.

Fig. 11 is a sectional view of the first tooling mechanism in the embodiment of the press-fitting apparatus for the compressor main shaft according to the present invention.

Fig. 12 is a structural view showing the cooperation among the hot charging mechanism, the second tooling mechanism, the heating coil, the heater and the third tooling mechanism in the embodiment of the press-fitting apparatus for the main shaft of the compressor of the present invention.

Fig. 13 is a structural sectional view of a second tooling mechanism in an embodiment of the compressor spindle press-fitting apparatus according to the present invention.

Fig. 14 is a partial exploded view of a third tooling mechanism in an embodiment of the press-fitting apparatus for a compressor main shaft according to the present invention.

Fig. 15 is a sectional view of a third tooling mechanism in an embodiment of the press-fitting apparatus for a compressor spindle according to the present invention.

Fig. 16 is a structural view showing the cooperation between a heating coil, a heater and a shield in the embodiment of the press-fitting apparatus for a compressor main shaft according to the present invention.

Fig. 17 is a partial structural view of a shrink-fitting mechanism in an embodiment of the compressor main shaft shrink-fitting apparatus of the present invention.

Fig. 18 is a partial sectional view showing the construction of a shrink-fitting mechanism in the embodiment of the press-fitting apparatus for a compressor main shaft according to the present invention.

The utility model is further explained with reference to the drawings and the embodiments.

Detailed Description

Referring to fig. 1 and 2, the compressor includes a main shaft 12, a first bearing 13, a second bearing 14, and a bearing seat 11, wherein the first bearing 13 and the second bearing 14 are respectively press-fitted on the main shaft 12, and the bearing seat 11 is shrink-fitted on the first bearing 13 and the second bearing 14.

Referring to fig. 3 and 4, the present embodiment discloses a compressor main shaft press-fitting device 2, which includes a workbench 21, a bearing press-fitting mechanism 3, a first tooling mechanism 4, a hot-fitting mechanism 5, a second tooling mechanism 6, a heating coil 8, a heater 10, a plurality of cooling pipes 101, a protective cover 9 and a third tooling mechanism 7, wherein the bearing press-fitting mechanism 3, the first tooling mechanism 4, the hot-fitting mechanism 5, the second tooling mechanism 6, the heating coil 8, the heater 10, the plurality of cooling pipes 101, the protective cover 9 and the third tooling mechanism 7 are respectively located on the workbench 21.

Referring to fig. 5 to 11, the first tooling mechanism 4 includes a first positioning sleeve 41, a first elastic member and a first top shaft 43, the first positioning sleeve 41 is located on the workbench 21, a top end 431 of the first top shaft 43 extends in a vertical direction and is inserted into a first end of the first positioning sleeve 41 close to the workbench 21, and the first elastic member forces the top end 431 of the first top shaft 43 close to a second end of the first positioning sleeve 41 away from the workbench 21. The bearing press-fitting mechanism 3 comprises a first control component, a lifting plate 32, a second control component, a pressure head component, a third control component and a second top shaft 316, wherein the lifting plate 32 is located above the first positioning sleeve 41 in the vertical direction, and the first control component can control the lifting plate 32 to move in the vertical direction. The pressure head assembly comprises a sliding plate 34, a pressure bearing sleeve 310, a floating pressure plate 36, a second elastic part, a first pressure sleeve 38, a second pressure sleeve 37, a plurality of first positioning columns 313 and a plurality of second positioning columns 312, wherein the sliding plate 34 is movably supported on the side surface of the lifting plate 32 close to the first positioning sleeve 41, the second control assembly can control the sliding plate 34 to move in the horizontal direction, the pressure bearing sleeve 310 and the first pressure sleeve 38 are respectively located on the side surface of the sliding plate 34 close to the workbench 21, the plurality of first positioning columns 313 are arranged on the annular wall of the first pressure sleeve 38, and the ball head of each first positioning column 313 can telescopically protrude out of the inner peripheral wall of the first pressure sleeve 38 in the radial direction of the first pressure sleeve 38. The floating pressure plate 36 is movably supported on the sliding plate 34 and is located right below the pressure bearing sleeve 310 in the vertical direction, the second elastic member forces the floating pressure plate 36 to be away from the pressure bearing sleeve 310, the second pressure bearing sleeve 37 is located right below the pressure bearing sleeve 310 in the vertical direction and is arranged on the side face, close to the workbench 21, of the floating pressure plate 36, the plurality of second positioning columns 312 are arranged on the annular wall of the second pressure bearing sleeve 37, and the ball head of each second positioning column 312 can telescopically protrude out of the inner peripheral wall of the second pressure bearing sleeve 37 in the radial direction of the second pressure bearing sleeve 37. The second top shaft 316 extends in a vertical direction and is disposed through the lift plate 32, and the third control assembly may control the second top shaft 316 to move in the vertical direction, and the top tip 3161 of the second top shaft 316 may be inserted into the first pressing sleeve 38 or the second pressing sleeve 37.

The first end of the main shaft 12 of the compressor is inserted into the first positioning sleeve 41 from the second port of the first positioning sleeve 41, and the first elastic member forces the pointed end 431 of the first ejector shaft 43 to approach the second end of the first positioning sleeve 41 and press against the first end of the main shaft 12 for positioning, so that the main shaft 12 is vertically held in the first positioning sleeve 41 of the first tooling mechanism 4. Meanwhile, the first bearing 13 is pressed into the first pressing sleeve 38 of the pressing head assembly, the ball heads of the first positioning columns 313 respectively press against the outer peripheral wall of the first bearing 13 in the radial direction of the first pressing sleeve 38, so that the first bearing 13 is held in the first pressing sleeve 38, and the second bearing 14 is pressed into the second pressing sleeve 37 of the pressing head assembly, and the ball heads of the second positioning columns 312 respectively press against the outer peripheral wall of the second bearing 14 in the radial direction of the second pressing sleeve 37, so that the second bearing 14 is held in the second pressing sleeve 37. The second bearing 14 has an inner diameter larger than that of the first bearing 13. Then, the second control assembly controls the sliding plate 34 to move in the horizontal direction so that the second pressing sleeve 37 is positioned directly above the first positioning sleeve 41, and then the first control assembly controls the lifting plate 32 to move downward in the vertical direction, and the lifting plate 32 presses the head assembly downward in synchronization. Along with the downward movement of the ram assembly in the vertical direction, the third control assembly controls the second top shaft 316 to move downward in the vertical direction, so that the top tip 3161 of the second top shaft 316 is inserted into the second pressing sleeve 37 and is pressed against the second end of the main shaft 12 for positioning, and then the second bearing 14 is sleeved on the second end of the main shaft 12. The second bearing 14 is forced to make the floating pressure plate 36 approach and press against the pressure-bearing sleeve 310 under the reaction force of the second end of the main shaft 12, and as the pressure head assembly continuously moves downwards in the vertical direction, the pressure-bearing sleeve 310 forces the floating pressure plate 36 to drive the second pressure sleeve 37 and the second bearing 14 to move downwards and press-fit on the main shaft 12. After the press-fitting of the second bearing 14 is completed, the first control component controls the lifting plate 32 to move upwards in the vertical direction, the synchronous belt pressing head component moves upwards on the lifting plate 32, the third control component controls the second jacking shaft 316 to move upwards in the vertical direction for resetting, the second elastic component forces the floating pressing plate 36 to move away from the pressure bearing sleeve 310 for resetting, and the second elastic component enables the floating pressing plate 36 and the second pressure bearing sleeve 37 to have a press-fitting buffering force, so that the working reliability and precision of the device are improved. Subsequently, the second control assembly controls the sliding plate 34 to move in the horizontal direction so that the first pressing sleeve 38 is positioned directly above the first positioning sleeve 41, and then the first control assembly controls the lifting plate 32 to move downward in the vertical direction, and the lifting plate 32 presses the head assembly downward in synchronization. Along with the downward movement of the ram assembly in the vertical direction, the third control component controls the second top shaft 316 to move downward in the vertical direction, so that the top tip 3161 of the second top shaft 316 is inserted into the first pressing sleeve 38 and is pressed against the second end of the main shaft 12 for positioning, and then the first bearing 13 is sleeved on the second end of the main shaft 12. Along with the continuous downward movement of the pressure head assembly in the vertical direction, the first pressing sleeve 38 drives the first bearing 13 to move downward and press on the main shaft 12. After the first bearing 13 is pressed, the first control component controls the lifting plate 32 to move upwards in the vertical direction, the lifting plate 32 synchronizes the upward movement of the dynamic pressure head component, and the third control component controls the second jacking shaft 316 to move upwards in the vertical direction for resetting. This embodiment compressor main shaft pressure equipment 2 is through bearing pressure equipment mechanism 3 and first frock mechanism 4 main shaft 12 to the compressor, first bearing 13 and second bearing 14 carry out automatic pressure equipment, degree of automation is high, the simple operation is high-efficient, and the apical end 431 that utilizes first apical axis 43 and apical end 3161 of second apical axis 316 fixes main shaft 12 in vertical direction, make working property reliable, the pressure equipment precision is high, and the simple structure of equipment, practice thrift manufacturing cost.

The second control assembly of this embodiment includes a first control cylinder 35, a first guide rail 314 and a first sliding block 315, the first guide rail 314 is located on the side surface of the lifting plate 32 close to the first positioning sleeve 41 and extends in the horizontal direction, the first sliding block 315 is installed on the sliding plate 34, the first sliding block 315 is movably matched with the first guide rail 314, and a piston rod of the first control cylinder 35 is connected with the sliding plate 34. The piston rod control slide plate 34 of the first control cylinder 35 moves in the horizontal direction along the first guide rail 314, so that the press fitting work switching of the first press sleeve 38 and the second press sleeve 37 is realized, the working performance is reliable, and the precision is high. And the first control component of this embodiment is a second control cylinder 31, the second control cylinder 31 is supported on the workbench 21 through the first mounting frame 22, and a piston rod of the second control cylinder 31 extends in the vertical direction and is connected with the lifting plate 32, so that the lifting plate 32 can be controlled to move in the vertical direction. The third control component of this embodiment is a third control cylinder 33, the third control cylinder 33 is mounted on the lifting plate 32, and a piston rod of the third control cylinder 33 extends in the vertical direction and is connected with one end of the second top shaft 316, so that the second top shaft 316 can be controlled to move in the vertical direction.

The ram assembly of this embodiment further includes a guide post (not shown) having a first end coupled to the floating platen 36 and a second end extending in a vertical direction and disposed through the slide plate 34. The second elastic element is a second compression spring 39, the second compression spring 39 is sleeved on the guide post, and two ends of the second compression spring 39 are respectively abutted between the sliding plate 34 and the floating pressing plate 36. The second compression spring 39 enables the floating pressure plate 36 and the second pressing sleeve 37 to have press-fitting buffering force, and the working reliability and precision of the device are improved.

In addition, the first tooling mechanism 4 of this embodiment further includes a first base 42, the first base 42 is located on the workbench 21, the first positioning sleeve 41 is located on the first base 42, the first base 42 is provided with a first accommodating groove (not shown), and the first accommodating groove extends in the vertical direction. The first elastic element is a first compression spring 47, the shoulder end 432 of the first top shaft 43 is located in the first receiving groove, the first compression spring 47 is located in the first receiving groove, and two ends of the first compression spring 47 respectively abut between the shoulder end 432 of the first top shaft 43 and the groove surface of the first receiving groove. Specifically, the first tooling mechanism 4 of this embodiment further includes a first adjusting seat 44, a first adjusting screw 45 and a first flat key 46, the first adjusting seat 44 is located on the workbench 21, one end of the first adjusting screw 45 is connected with the first base 42, the first adjusting screw 45 extends in the horizontal direction and is in threaded fit with the first adjusting seat 44, the first adjusting screw 45 is adjusted to move in the horizontal direction through the threaded fit of the first adjusting screw 45 and the first adjusting seat 44, so as to adjust the movement of the first base 42 in the horizontal direction, and further adjust the position of the first positioning sleeve 41 in the horizontal direction. In this embodiment, the first base 42 is provided with a first T-shaped groove 421, and the T-shaped end 451 of the first adjusting screw 45 is embedded in the first T-shaped groove 421, so that the first adjusting screw 45 is detachably connected with the first base 42. In the present embodiment, the first flat key 46 is disposed on the workbench 21 in a manner of extending in the horizontal direction, and a first sliding slot (not shown) is formed in the bottom surface of the first base 42, and the first sliding slot can be slidably engaged with the first flat key 46 in the horizontal direction.

The pressure head assembly of the present embodiment further includes an adjusting plate 311, a second adjusting base 317, a second adjusting screw 318 and a second flat key 319, the second adjusting base 317 is located on the floating pressure plate 36, one end of the second adjusting screw 318 is connected to the adjusting plate 311, the second pressure sleeve 37 is located on the adjusting plate 311, the other end of the second adjusting screw 318 extends in the horizontal direction and is in threaded fit with the second adjusting base 317, the second adjusting screw 318 is adjusted to move in the horizontal direction through the threaded fit between the second adjusting screw 318 and the second adjusting base 317, so that the adjusting plate 311 is adjusted to move in the horizontal direction, and further, the position of the second pressure sleeve 37 in the horizontal direction can be adjusted. In this embodiment, the adjusting plate 311 is provided with a second T-shaped groove 3111, and the T-shaped end 3181 of the second adjusting screw 318 is embedded in the second T-shaped groove 3111, so that the second adjusting screw 318 and the adjusting plate 311 are detachably connected. In this embodiment, the second flat key 319 is disposed on the floating pressing plate 36 in a manner extending in the horizontal direction, and a second sliding slot (not labeled) is disposed on the bottom surface of the adjusting plate 311, and the second sliding slot is slidably engaged with the second flat key 319 in the horizontal direction. In this embodiment, the extending directions of the first adjusting screw 45 and the second adjusting screw 318 are parallel to each other.

Referring to fig. 12 to 18, the hot-setting mechanism 5 includes a fourth control assembly, a moving plate 57, a mounting plate 58, a third elastic member, a fifth control assembly, a plurality of clamping jaws 511, and a pressing ring 512, the fourth control assembly controls the moving plate 57 to move in the vertical direction and the horizontal direction, the second tooling mechanism 6 and the heating coil 8 are arranged side by side on the worktable 21 in the horizontal moving direction of the moving plate 57, and the heater 10 is electrically connected to the heating coil 8. The second tooling mechanism 6 includes a second positioning sleeve 61, a fourth elastic member and a third top shaft 63, the second positioning sleeve 61 is located on the workbench 21, a top tip 631 of the third top shaft 63 extends in the vertical direction and is inserted into a first end of the second positioning sleeve 61 close to the workbench 21, and the fourth elastic member forces the top tip 631 of the third top shaft 63 close to a second end of the second positioning sleeve 61 far from the workbench 21. The moving plate 57 is located above the second positioning sleeve 61 in the vertical direction, the mounting plate 58 is movably supported on a side of the moving plate 57 close to the table 21, the third elastic member forces the mounting plate 58 away from the moving plate 57, and a fifth control assembly is mounted on a side of the mounting plate 58 close to the table 21 and controls the plurality of clamping jaws 511 to move toward or away from each other. Pressing ring 512 is located in an area defined between plurality of clamping jaws 511, and pressing ring 512 is supported on moving plate 57 by pressing plate 59.

The main shaft 12, the first bearing 13 and the second bearing 14 are press-fitted to form a main shaft assembly, the first end of the main shaft 12 of the main shaft assembly is inserted into the second positioning sleeve 61 from the second port of the second positioning sleeve 61, and the fourth elastic member forces the ejector tip 631 of the third ejector shaft 63 to approach the second end of the second positioning sleeve 61 and press against the first end of the main shaft 12 for positioning, so that the main shaft 12 of the main shaft assembly is vertically held in the second positioning sleeve 61 of the second tooling mechanism 6. Meanwhile, the fourth control assembly controls the moving plate 57 to move in the vertical direction and the horizontal direction, thereby synchronously moving the mounting plate 58, the third elastic member, the fifth control assembly and the plurality of clamping jaws 511 in the vertical direction and the horizontal direction, and the fifth control assembly controls the plurality of clamping jaws 511 to move toward each other and clamp the bearing housing 11. Next, the fourth control unit controls the moving plate 57 to move in the vertical direction and the horizontal direction so that the bearing housing 11 gripped by the plurality of jaws 511 is fitted over the heating coil 8, and the heater 10 is electrically connected to the heating coil 8 to heat the bearing housing 11. After the heating step of the bearing block 11 is completed, the fourth control assembly controls the moving plate 57 to move in the vertical direction and the horizontal direction, so that the heating bearing block 11 clamped by the plurality of clamping jaws 511 is located right above the second positioning sleeve 61 and is sleeved on the first bearing 13. Along with the fourth control component controlling the moving plate 57 to move downwards in the vertical direction, the synchronously driven press ring 512 moves downwards in the vertical direction to abut against the heating bearing seat 11, and at this time, the fifth control component controls the plurality of clamping jaws 511 to move away from each other to loosen the heating bearing seat 11. As the press ring 512 continues to move downward in the vertical direction, the press ring 512 forces the heated bearing housing 11 to be shrink-fitted onto the first and second bearings 13, 14 of the main shaft assembly. The compressor main shaft press fitting equipment 2 of the embodiment carries out automatic hot fitting on a bearing seat 11 and a main shaft assembly of a compressor through a hot fitting mechanism 5, a second tooling mechanism 6, a heating coil 8 and a heater 10, the automation degree is high, and the operation is convenient and efficient. In the automatic feeding and discharging process of the clamping jaws 511, the third elastic piece forces the mounting plate 58 to be far away from the moving plate 57, so that the clamping jaws 511 have elastic buffering capacity in the vertical direction in the working process, the phenomenon of hard collision of the clamping jaws 511 is avoided, the working reliability and the hot-assembling precision are improved, the structure of the device is simple, and the production cost is saved.

Wherein, a plurality of cooling tubes 101 of this embodiment distribute in the outside of second frock mechanism 6 and install on workstation 21, the external air-cooler (not marked) of air inlet end of each cooling tube 101, the air-out end of each cooling tube 101 is towards the top of second position sleeve 61, and the air-out end of cooling tube 101 is towards bearing frame 11 and the main shaft assembly setting that hot packing was accomplished promptly, carries out cooling process to bearing frame 11 and the main shaft assembly that hot packing was accomplished, improves the quality of hot packing product. In order to improve the safety performance of the equipment, the protection cover 9 is arranged on the periphery of the heating coil 8 in an arc-shaped extending manner and is installed on the workbench 21, and the protection cover 9 is provided with a plurality of heat dissipation holes 91.

In addition, the shrink-fitting mechanism 5 of the present embodiment further includes a position-limiting sleeve 513, and the position-limiting sleeve 513 is mounted on the side surface of the mounting plate 58 close to the moving plate 57. The third elastic element is a third compression spring 514, a first end of the third compression spring 514 is located in the limiting hole of the limiting sleeve 513 and abuts against the side surface of the mounting plate 58 close to the moving plate 57, and a second end of the third compression spring 514 abuts against the side surface of the moving plate 57 close to the mounting plate 58. The third compression spring 514 urges the mounting plate 58 away from the moving plate 57 under the action of self-reset elastic force, so that the clamping jaw 511 has elastic buffering capacity in the vertical direction in the working process, the phenomenon of hard collision of the clamping jaw 511 is avoided, and the working reliability is improved.

The fourth control assembly of this embodiment includes a motor 51, a screw rod 52, a screw nut (not labeled), a linkage plate 56, a second guide rail 53, a second slider 54 and a fourth control cylinder 55, the screw rod 52 extends in the horizontal direction and is rotatably supported on the workbench 21 through the second mounting frame 23, the motor 51 is installed on the second mounting frame 23 and is connected with one end of the screw rod 52, the screw nut is installed on the linkage plate 56 and movably sleeved on the screw rod 52, the extending direction of the second guide rail 53 and the extending direction of the screw rod 52 are arranged on the second mounting frame 23 in parallel, the second slider 54 is installed on the linkage plate 56, and the second slider 54 is slidably matched with the second guide rail 53. The fourth control cylinder 55 is installed on the linkage plate 56, the moving plate 57 is located below the linkage plate 56 in the vertical direction, and a piston rod of the fourth control cylinder 55 penetrates through the linkage plate 56 in the vertical direction and is connected with the moving plate 57. The motor 51 can control the screw 52 to rotate, so that the screw nut drives the linkage plate 56 to move in the horizontal direction, meanwhile, the second slider 54 of the linkage plate 56 is in sliding fit with the second guide rail 53 in the horizontal direction, so that the fourth control cylinder 55 and the moving plate 57 are synchronously driven to move in the horizontal direction, and the piston rod of the fourth control cylinder 55 can control the moving plate 57 to move in the vertical direction, so that the moving plate 57 can stably and reliably move in the horizontal direction and the vertical direction. In addition, the fifth control assembly of the present embodiment is a jaw control cylinder 510.

The second tooling mechanism 6 of this embodiment further includes a second base 62, the second base 62 is located on the worktable 21, the second positioning sleeve 61 is located on the second base 62, the second base 62 is provided with a second receiving groove (not labeled), and the second receiving groove extends in the vertical direction. The fourth elastic element is a fourth compression spring 64, the shaft shoulder end 632 of the third top shaft 63 is located in the second accommodating groove, the fourth compression spring 64 is located in the second accommodating groove, and two ends of the fourth compression spring 64 are respectively abutted between the shaft shoulder end 632 of the third top shaft 63 and the groove surface of the second accommodating groove. Specifically, the second tooling mechanism 6 of this embodiment further includes a third adjusting seat 67, a third adjusting screw 66 and a third key 65, the third adjusting seat 67 is located on the workbench 21, one end of the third adjusting screw 66 is connected with the second base 62, the other end of the third adjusting screw 66 extends in the horizontal direction and is in threaded fit with the third adjusting seat 67, and the third adjusting screw 66 is adjusted to move in the horizontal direction through the threaded fit of the third adjusting screw 66 and the third adjusting seat 67, so that the second base 62 is adjusted to move in the horizontal direction, and further the position of the second positioning sleeve 61 in the horizontal direction can be adjusted. In this embodiment, the second base 62 is provided with a third T-shaped groove (not labeled), and the T-shaped end 661 of the third adjusting screw 66 is embedded in the third T-shaped groove, so that the third adjusting screw 66 is detachably connected to the second base 62. In the present embodiment, the third flat key 65 is disposed on the workbench 21 in a manner of extending in the horizontal direction, and a third sliding slot (not labeled) is formed in the bottom surface of the second base 62, and the third sliding slot is slidably matched with the third flat key 65 in the horizontal direction. The extending directions of the third adjusting screw 66 and the first adjusting screw 45 are parallel to each other in this embodiment.

The third tooling mechanism 7 of the embodiment is located between the second tooling mechanism 6 and the heating coil 8 in the extending direction of the screw 52, the third tooling mechanism 7 comprises a bottom plate 72, a tooling plate 71 and a plurality of fastening components, the bottom plate 72 is installed on the workbench 21, the tooling plate 71 is located on the bottom plate 72, and a plurality of side faces of the tooling plate 71 are provided with installation grooves 711. Each fastening assembly comprises a pressing sleeve 76, a return spring 77 and a stud 78, wherein the pressing sleeve 76 is positioned on the bottom plate 72, a shoulder end 761 of the pressing sleeve 76 can be positioned in the mounting groove 711, a screwing end 781 of the stud 78 is positioned on the shoulder end 761 of the pressing sleeve 76, a threaded end 782 of the stud 78 extends in the vertical direction and is arranged through the pressing sleeve 76, and the threaded end 782 of the stud 78 is in threaded connection with the bottom plate 72. The return spring 77 is located in a avoiding groove (not labeled) of the pressing sleeve 76 and sleeved on the stud 78, and two ends of the return spring 77 are respectively abutted between the groove bottom surface of the avoiding groove and the bottom plate 72. The tooling plate 71 is used for placing the bearing seat 11 to be heated, the fourth control assembly controls the moving plate 57 to move in the vertical direction and the horizontal direction, so as to synchronously drive the mounting plate 58, the third elastic piece, the fifth control assembly and the plurality of clamping jaws 511 to move in the vertical direction and the horizontal direction, so that the plurality of clamping jaws 511 are positioned right above the tooling plate 71 in the vertical direction, and then the fourth control assembly continuously controls the moving plate 57 to move downwards in the vertical direction, and the fifth control assembly controls the plurality of clamping jaws 511 to move towards each other, so that the plurality of clamping jaws 511 clamp the bearing seat 11 to be heated on the tooling plate 71.

Specifically, the third tooling mechanism 7 of this embodiment further includes a fourth adjusting seat 74, a fourth adjusting screw 75 and a fourth flat key 73, the fourth adjusting seat 74 is located on the workbench 21, one end of the fourth adjusting screw 75 is connected with the bottom plate 72, the other end of the fourth adjusting screw 75 extends in the horizontal direction and is in threaded fit with the fourth adjusting seat 74, the fourth adjusting screw 75 is adjusted to move in the horizontal direction through the threaded fit of the fourth adjusting screw 75 and the fourth adjusting seat 74, so that the bottom plate 72 is adjusted to move in the horizontal direction, and further the position of the adjustable tooling plate 71 in the horizontal direction is adjusted. In this embodiment, the bottom plate 72 is provided with a fourth T-shaped groove 721, and the T-shaped end 751 of the fourth adjusting screw 75 is embedded in the fourth T-shaped groove 721, so that the fourth adjusting screw 75 is detachably connected with the bottom plate 72. The fourth flat key 73 of the present embodiment is disposed on the workbench 21 in a manner of extending in the horizontal direction, and a fourth sliding slot (not labeled) is opened on the bottom surface of the bottom plate 72, and the fourth sliding slot is slidably engaged with the fourth flat key 73 in the horizontal direction. The extending directions of the fourth adjusting screw 75 and the third adjusting screw 66 are parallel to each other in this embodiment.

The above embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications made based on the structure, characteristics and principles of the utility model as claimed should be included in the claims of the present invention.

Claims (10)

1. The compressor spindle press-fitting equipment comprises a workbench, and is characterized by further comprising a bearing press-fitting mechanism and a first tooling mechanism, wherein the bearing press-fitting mechanism and the first tooling mechanism are positioned on the workbench;

the first tool mechanism comprises a first positioning sleeve, a first elastic piece and a first ejector shaft, the first positioning sleeve is positioned on the workbench, the ejector tip of the first ejector shaft extends in the vertical direction and is inserted into the first end, close to the workbench, of the first positioning sleeve, and the first elastic piece forces the ejector tip of the first ejector shaft to be close to the second end, far away from the workbench, of the first positioning sleeve;

the bearing press-fitting mechanism comprises a first control assembly, a lifting plate, a second control assembly, a pressure head assembly, a third control assembly and a second jacking shaft, wherein the lifting plate is positioned above the first positioning sleeve in the vertical direction, and the first control assembly can control the lifting plate to move in the vertical direction;

the pressure head assembly comprises a sliding plate, a pressure bearing sleeve, a floating pressure plate, a second elastic part, a first pressure sleeve, a second pressure sleeve, a plurality of first positioning columns and a plurality of second positioning columns, the sliding plate is movably supported on the side face, close to the first positioning sleeve, of the lifting plate, the second control assembly can control the sliding plate to move in the horizontal direction, the pressure bearing sleeve and the first pressure sleeve are respectively located on the side face, close to the workbench, of the sliding plate, the first positioning columns are arranged on the annular wall of the first pressure sleeve, and the ball head of each first positioning column can telescopically protrude out of the inner peripheral wall of the first pressure sleeve in the radial direction of the first pressure sleeve;

the floating pressure plate is movably supported on the sliding plate and is positioned right below the pressure-bearing sleeve in the vertical direction, the second elastic part forces the floating pressure plate to be away from the pressure-bearing sleeve, the second pressure sleeve is positioned right below the pressure-bearing sleeve in the vertical direction and is arranged on the side surface, close to the workbench, of the floating pressure plate, the second positioning columns are arranged on the annular wall of the second pressure sleeve, and the ball head of each second positioning column can telescopically protrude out of the inner peripheral wall of the second pressure sleeve in the radial direction of the second pressure sleeve;

the second jacking shaft extends in the vertical direction and penetrates through the lifting plate, the third control component can control the second jacking shaft to move in the vertical direction, and the jacking end of the second jacking shaft can be inserted into the first pressing sleeve or the second pressing sleeve.

2. The compressor spindle press-fitting apparatus according to claim 1, wherein:

the second control assembly comprises a first control cylinder, a first guide rail and a first sliding block, the first guide rail is located on the side face, close to the first positioning sleeve, of the lifting plate in an extending mode in the horizontal direction, the first sliding block is installed on the sliding plate, the first sliding block is movably matched with the first guide rail, and a piston rod of the first control cylinder is connected with the sliding plate.

3. The compressor spindle press-fitting apparatus according to claim 1, wherein:

the first tool mechanism further comprises a first base, the first base is located on the workbench, the first positioning sleeve is located on the first base, the first base is provided with a first accommodating groove, and the first accommodating groove extends in the vertical direction;

the first elastic piece is a first compression spring, the shaft shoulder end of the first top shaft is located in the first accommodating groove, the first compression spring is located in the first accommodating groove, and two ends of the first compression spring are respectively abutted between the shaft shoulder end of the first top shaft and the groove surface of the first accommodating groove.

4. The compressor spindle press-fitting apparatus according to claim 1, wherein:

the pressure head assembly further comprises a guide pillar, a first end of the guide pillar is connected with the floating pressure plate, and a second end of the guide pillar extends in the vertical direction and penetrates through the sliding plate;

the second elastic piece is a second compression spring, the second compression spring is sleeved on the guide post, and two ends of the second compression spring are respectively abutted between the sliding plate and the floating pressing plate.

5. A compressor main shaft press-fitting apparatus according to any one of claims 1 to 4, wherein:

the compressor spindle press-fitting equipment further comprises a hot-fitting mechanism, a second tool mechanism, a heating coil and a heater, wherein the hot-fitting mechanism comprises a fourth control assembly, a moving plate, a mounting plate, a third elastic piece, a fifth control assembly, a plurality of clamping jaws and a pressing ring, the fourth control assembly can control the moving plate to move in the vertical direction and the horizontal direction, the second tool mechanism and the heating coil are arranged on the workbench side by side in the horizontal moving direction of the moving plate, and the heater is electrically connected with the heating coil;

the second tooling mechanism comprises a second positioning sleeve, a fourth elastic piece and a third jacking shaft, the second positioning sleeve is positioned on the workbench, the jacking end of the third jacking shaft extends in the vertical direction and is inserted into the first end, close to the workbench, of the second positioning sleeve, and the fourth elastic piece forces the jacking end of the third jacking shaft to be close to the second end, far away from the workbench, of the second positioning sleeve;

the movable plate is vertically positioned above the second positioning sleeve, the mounting plate is movably supported on one side, close to the workbench, of the movable plate, the third elastic piece forces the mounting plate to be away from the movable plate, the fifth control assembly is mounted on the side face, close to the workbench, of the mounting plate, and the fifth control assembly can control the clamping jaws to move towards or away from each other;

the clamping ring is arranged in an area enclosed by the clamping jaws, and the clamping ring is supported on the moving plate.

6. The compressor spindle press-fitting apparatus according to claim 5, wherein:

the compressor main shaft press fitting equipment further comprises a plurality of cooling pipes, the cooling pipes are distributed on the outer side of the second tooling mechanism and are mounted on the workbench, each air inlet end of each cooling pipe is externally connected with an air cooler, and each air outlet end of each cooling pipe faces towards the upper portion of the second positioning sleeve.

7. The compressor spindle press-fitting apparatus according to claim 5, wherein:

the compressor main shaft press fitting equipment further comprises a protective cover, wherein the protective cover is arranged on the periphery of the heating coil in an arc-shaped extending mode and is installed on the workbench.

8. The compressor spindle press-fitting apparatus according to claim 5, wherein:

the hot charging mechanism further comprises a limiting sleeve, and the limiting sleeve is arranged on the side face, close to the moving plate, of the mounting plate;

the third elastic piece is a third compression spring, the first end of the third compression spring is located in a limiting hole of the limiting sleeve and abuts against the mounting plate, the mounting plate is close to the side face of the moving plate, and the second end of the third compression spring abuts against the side face of the mounting plate, the moving plate is close to the side face of the mounting plate.

9. The compressor spindle press-fitting apparatus according to claim 5, wherein:

the second tooling mechanism further comprises a second base, the second base is positioned on the workbench, the second positioning sleeve is positioned on the second base, the second base is provided with a second accommodating groove, and the second accommodating groove extends in the vertical direction;

the fourth elastic piece is a fourth compression spring, the shaft shoulder end of the third top shaft is located in the second accommodating groove, the fourth compression spring is located in the second accommodating groove, and two ends of the fourth compression spring are respectively abutted between the shaft shoulder end of the third top shaft and the groove surface of the second accommodating groove.

10. The compressor spindle press-fitting apparatus according to claim 5, wherein:

the compressor main shaft press-fitting equipment further comprises a third tool mechanism, the third tool mechanism comprises a bottom plate, a tool plate and a plurality of fastening components, the bottom plate is installed on the workbench, the tool plate is located on the bottom plate, and a plurality of side faces of the tool plate are provided with installation grooves;

each fastening assembly comprises a pressing sleeve, a return spring and a stud, the pressing sleeve is positioned on the bottom plate, a shaft shoulder end of the pressing sleeve can be positioned in the mounting groove, a screwing end of the stud is positioned on the shaft shoulder end of the pressing sleeve, a threaded end of the stud extends in the vertical direction and penetrates through the pressing sleeve to be arranged, and the threaded end of the stud is in threaded connection with the bottom plate;

the reset spring is positioned in the position avoiding groove of the compression sleeve and sleeved on the stud, and two ends of the reset spring are respectively abutted against the groove bottom surface of the position avoiding groove and the bottom plate.

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