CN110773973A - A column type press-fit shaft bearing press - Google Patents

Abstract

The invention relates to the technical field of universal joint bearing press-fitting, in particular to a column-type press-fitting shaft bearing press, comprising a frame body, an upper base plate and a lower base plate mounted on the frame body, and installed between the upper base plate and the lower base plate. The shaft rod and the bearing seat press-fitting mechanism and the oil seal bushing press-fitting mechanism between the upper and lower bottom plates are fixedly connected by the column, and the shaft rod and the bearing seat press-fitting mechanism and the oil seal bushing press-fitting mechanism are on the frame body. Left and right are arranged side by side. The shaft rod and bearing seat press-fitting mechanism includes a pressure seat assembly, a pressure head, a booster cylinder, a pressure sensor, and a displacement sensor. The oil seal bushing press-fit mechanism includes a pressure seat assembly. , the second booster cylinder, the second pressure sensor and the second displacement sensor, the present invention can carry out the press-fitting installation of the shaft rod, and can perform the pressing-fitting displacement and pressing-fitting pressure detection during the bearing installation process.

Description

A column type press-fit shaft bearing press

technical field

The invention relates to the technical field of universal joint bearing press-fitting, in particular to a column type press-fitting shaft bearing press.

Background technique

During the assembly process of the axially movable ball cage type universal joint, because the bearing part is processed and installed by press-fitting, the existing technology cannot effectively monitor the tension pressure and displacement of the press during the installation process, making it impossible to The bearing is judged whether the press fit is qualified.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a column type press-fitting shaft bearing press to solve the problems in the prior art that the press-fitting process requires multiple press-fittings, the assembly efficiency is low, and it is impossible to effectively monitor and judge whether the press-fitting is qualified.

In order to achieve the above purpose, the present invention provides the following technical solutions: a column type press-fit shaft bearing press, comprising a frame body, an upper base plate and a lower base plate installed on the frame body, and a A shaft rod and a bearing seat pressing mechanism and an oil seal bushing pressing mechanism, the frame body includes an upper frame and a lower frame, the upper frame is installed above the lower frame, and the lower bottom plate is installed above the lower frame, And the upper platform is facing downward and is facing the lower base plate, the upper base plate is installed directly above the lower base plate, a column is arranged between the upper plate and the lower plate, the upper plate and the lower plate are fixedly connected by the column, and the shaft rod is connected to the lower plate The bearing seat pressing mechanism and the oil seal bushing pressing mechanism are arranged side by side on the frame body.

The shaft rod and bearing seat press-fitting mechanism includes a pressure seat assembly, a pressure head, a booster cylinder, a pressure sensor, and a displacement sensor. The first pressure seat assembly is installed on the lower base plate, and the booster cylinder And the piston rod of the booster cylinder 1 is located on the lower side of the upper bottom plate and faces the pressure seat assembly 1, the pressure head 1 is installed on the piston rod of the booster cylinder 1, the pressure head 1 is arranged in cooperation with the pressure seat assembly 1, the displacement sensor 1 It is installed on the upper frame, and the expansion and contraction displacement of the piston rod of the booster cylinder 1 is detected by the sensor 1. The pressure sensor is installed between the piston rod of the booster cylinder 1 and the pressure head 1, and the pair of booster cylinders is detected by the pressure sensor. The pressure applied by the indenter,

The oil seal bushing pressing mechanism includes the second pressure seat assembly, the second pressure head, the second booster cylinder, the second pressure sensor and the second displacement sensor. The piston rod of the second force cylinder is located on the lower side of the upper bottom plate and faces the second pressure seat assembly. The second pressure head is installed on the piston rod of the second force cylinder. The second pressure head and the second pressure seat assembly are arranged in cooperation with the second displacement sensor. On the upper frame, the telescopic displacement of the piston rod of the booster cylinder 2 is detected by the sensor 2. The pressure sensor is installed between the piston rod of the booster cylinder 2 and the pressure head 2, and the pressure sensor is used to detect the pressure head of the booster cylinder 2. II applied pressure.

Preferably, the first pressing seat assembly includes a pressing seat and a movable mechanism, the pressing seat is a vertical cylinder, the side wall of the vertical cylinder is provided with a through groove, the vertical cylinder is vertically installed on the lower bottom plate, and the vertical cylinder is A fixed plate is arranged on one side of the upper end, the movable mechanism is arranged on the fixed plate, the shaft rod is placed in the vertical cylinder through the through groove, the bearing seat matched with the shaft rod is located at the top of the vertical cylinder, and the bearing seat is connected to the movable mechanism. Contact fit.

Preferably, the movable mechanism includes a U-shaped clamping block and a reciprocating push cylinder, the reciprocating pushing cylinder is installed on the fixing plate, the U-shaped clamping block is installed on the piston rod of the reciprocating pushing cylinder, and the opening of the U-shaped clamping block is set upward. , When the bearing seat is located at the top of the vertical cylinder, the component mechanism of the bearing seat is placed in the U-shaped block, and the U-shaped block is moved forward and backward through the reciprocating push cylinder, so that the bearing seat can move during the process of pressing the seat.

Preferably, the second pressing seat assembly includes a mounting seat, a sliding plate, a pushing cylinder, a telescopic cylinder, a sleeve and a fixing seat, the mounting seat is arranged on the lower bottom plate, the sliding plate is slidably installed on the upper surface of the mounting seat, and the pushing The cylinder is installed on the mounting seat, and the piston rod of the pushing cylinder is connected with the sliding plate. The sliding plate can be pushed forward and backward on the mounting seat through the pushing cylinder. There are 4 telescopic cylinders vertically arranged on the mounting seat, and 4 The telescopic cylinders are arranged in two rows on both sides of the sliding plate, the fixed seat is installed on the upper piston rod of the four telescopic cylinders, the sleeve is installed vertically on the installation seat, and the upper and lower ends of the sleeve are arranged through the upper and lower ends. The front side of the sleeve is a vertical groove connected to the inside of the sleeve, and the shaft rod placed on the sliding plate can be placed in the sleeve through the vertical groove through the backward movement and sliding of the sliding plate.

Preferably, the lower end of the sleeve is made of plastic.

Preferably, six of the uprights are arranged between the upper bottom plate and the lower bottom plate, and the six uprights are arranged according to two in each row of the left, middle and right, and the corresponding two uprights of each row are respectively located at the front and rear of the upper bottom and the lower bottom plate. side.

Preferably, the shaft rod and bearing seat pressing mechanism is installed between the left and middle rows of uprights, and the oil seal bushing pressing mechanism is installed between the middle and right rows of uprights.

Preferably, a position adjustment device is provided between the first and second pressure seat assemblies and the lower bottom plate, respectively. The position adjustment device includes a positioning block and an adjustment bolt. The positioning block is installed on the lower bottom plate, and the corresponding pressure seat The assembly is installed on the corresponding positioning block, and the adjusting bolt connects the positioning block and the corresponding pressing seat assembly.

Preferably, the press-fitting mechanism of the shaft rod and the bearing seat further includes a fixed plate 1 and a guide column 1, the piston rod of the booster cylinder 1 is fixedly connected with the center of the fixed plate 1, and the guide column 1 is provided with two guide columns. The first guide posts are symmetrically and vertically arranged on the upper side surface of the fixing plate, the upper base plate is provided with a through hole one corresponding to the two guide posts, and the two guide posts are slidably installed in the corresponding through holes one, respectively. The indenter one is installed at the center of the lower side of the fixing plate one.

Preferably, the oil seal bushing press-fitting mechanism further includes a second fixed plate and a second guide column, the piston rod of the second booster cylinder is fixedly connected with the center of the second fixed plate, and the second guide column is provided with two guide columns. The second pillars are respectively symmetrically and vertically arranged on the upper surface of the fixing plate, the upper base plate is provided with through holes 2 corresponding to the two guide pillars, and the two guide pillars are respectively slidably installed in the corresponding through holes 2. The second is installed at the center of the lower side of the second fixing plate.

Compared with the prior art, the beneficial effects of the present invention are: the pressing process of the shaft rod and the bearing seat and the shaft rod and the retaining spring can be carried out by the shaft bearing press, and the shaft rod, the bearing, the clamping spring can be detected by the displacement sensor. The press-fitting displacement in the spring installation process. The press-fitting process equipment collects the tension pressure and displacement sensor signals and processes them. The output force-displacement curve, after comparing the output signal with the set value, can judge whether the press-fitting is qualified or not, which improves the bearing pressure. The detection efficiency of the equipment can be improved, and the qualified rate of product output can be improved.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the partial enlarged structural schematic diagram of the shaft rod and the bearing seat press-fitting mechanism of the present invention;

Fig. 3 is the partial enlarged structural schematic diagram of the oil seal bushing pressing mechanism of the present invention;

Fig. 4 is the side structure schematic diagram of the movable mechanism part of Fig. 2;

FIG. 5 is a schematic view of the side structure of the sliding plate in FIG. 3 .

In the picture: 1. Upper frame; 2. Lower frame; 3. Upper base plate; 4. Lower base plate; 5. Upright column; 6. Press seat; 7. Fixed plate; Cylinder; 10. Indenter 1; 11. Intensifier cylinder 1; 12. Pressure sensor 1; 13. Displacement sensor 1; 14. Mounting seat; 15. Sliding plate; 16. Push cylinder; 17. Telescopic cylinder; Sleeve; 19. Fixed seat; 20. Indenter 2; 21. Booster cylinder 2; 22. Pressure sensor 2; 23. Displacement sensor 2; 24. Positioning block; 25. Adjusting bolt; 26. Fixing plate 1; , Guide column one; 28, fixed plate two; 29, guide column two.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1 to 3, the present invention provides a technical solution: a column type press-fitting shaft bearing press, comprising a frame body, an upper base plate 3 and a lower base plate 4 installed on the frame body, and installed on the upper base plate 3 The shaft rod and the bearing seat press-fitting mechanism and the oil seal bushing press-fitting mechanism between the lower base plate 4, the frame body includes an upper frame 1 and a lower frame 2, and the upper frame 1 is installed above the lower frame 2, The lower bottom plate 4 is installed above the lower platform 2 , and the upper platform 1 is facing downward and is positioned opposite to the lower bottom plate 4 , the upper bottom plate 3 is installed directly above the lower bottom plate 4 , and a column is provided between the upper bottom plate 3 and the lower bottom plate 4 . 5. The upper bottom plate 3 and the lower bottom plate 4 are fixedly connected by the column 5. The shaft rod and the bearing seat pressing mechanism and the oil seal bushing pressing mechanism are arranged side by side on the frame body.

As shown in Figure 2, the shaft and bearing seat press-fitting mechanism includes a pressure seat assembly 1, a pressure head 10, a booster cylinder 11, a pressure sensor 12 and a displacement sensor 13, and the pressure seat assembly 1 is installed on the lower bottom plate 4. , the booster cylinder one 11 is installed on the upper bottom plate 3, and the piston rod of the booster cylinder one 11 is located on the lower side of the upper bottom plate 3 and faces the pressure seat assembly 1, and the pressure head one 10 is installed on the piston of the booster cylinder one 11. On the rod, the pressure head 10 and the pressure seat assembly 1 are arranged in cooperation, and the displacement sensor 1 13 is installed on the upper frame 1. Between the piston rod of cylinder one 11 and the indenter one 10, the pressure exerted by the booster cylinder one 11 on the indenter one 10 is detected by the pressure sensor,

As shown in Figure 3, the oil seal bushing press-fitting mechanism includes a second pressure seat assembly, a second pressure head 20, a second booster cylinder 21, a second pressure sensor 22 and a second displacement sensor 23. The second pressure seat assembly is installed on the lower bottom plate 4, and the second The second power cylinder 21 is installed on the upper base plate 3, and the piston rod of the second power cylinder 21 is located on the lower side of the upper base plate 3 and faces the second pressing seat assembly, and the second pressure head 20 is installed on the piston rod of the second power cylinder 21. , the second pressure head 20 is arranged in cooperation with the second pressure seat assembly, the second displacement sensor 23 is installed on the upper frame 1, and the second sensor is located to detect the expansion and contraction displacement of the piston rod of the second booster cylinder 21, and the pressure sensor is installed in the second booster cylinder. Between the piston rod of 21 and the second indenter 20, the pressure exerted by the second intensifier cylinder 21 on the second indenter 20 is detected by a pressure sensor.

The first pressing seat assembly includes a pressing seat 6 and a movable mechanism. The pressing seat 6 is a vertical cylinder, the side wall of the vertical cylinder is provided with a through groove, and the vertical cylinder is vertically installed on the lower bottom plate 4. A fixed plate 7 is arranged on one side of the upper end, the movable mechanism is arranged on the fixed plate 7, the shaft rod is placed in the vertical cylinder through the through groove, the bearing seat matched with the shaft rod is located at the top of the vertical cylinder, and the bearing seat is connected to the vertical cylinder. The movable mechanism is in contact and matched, and the through groove is located in front of the side of the vertical cylinder. The shaft can be placed in the vertical cylinder through the through groove, which avoids the shaft from being placed in the vertical cylinder from the upper part of the vertical cylinder. Large scale operation steps.

The pressing process is:

1. The bearing is installed in the support;

2. The inner oil seal is pressed into the support;

3. The shaft is inserted into the inner hole of the bearing, and the circlip is manually inserted;

4. The outer oil seal is pressed into the bearing support;

5. Install the retainer on the shaft sleeve;

6. Press the shaft sleeve onto the shaft.

As shown in FIG. 4 , the movable mechanism includes a U-shaped block 8 and a reciprocating push cylinder 9. The reciprocating push cylinder 9 is installed on the fixing plate 7, and the U-shaped block 8 is installed on the piston rod of the reciprocating push cylinder 9, and The opening of the U-shaped block 8 is set upward, and when the bearing seat is located at the top of the vertical cylinder, the component mechanism of the bearing seat is placed in the U-shaped block 8, and the U-shaped block 8 is driven by the reciprocating push cylinder 9 to move back and forth, so that the The bearing seat can move during the process of pressing the seat 6. In order to avoid the jamming of the bearing and the bearing seat during the pressing process of the bearing seat, the bearing seat is clamped in the U-shaped block 8 during the press-fitting process of the shaft and the bearing. , through the reciprocating push cylinder 9, the U-shaped block 8 is pushed forward and backward for a certain stroke, so that the bearing seat can move between the bearing seat and the shaft rod when the press-fitting process ends.

As shown in FIG. 3 and FIG. 5 , the second pressing seat assembly includes a mounting seat 14 , a sliding plate 15 , a pushing cylinder 16 , a telescopic cylinder 17 , a sleeve 18 and a fixing seat 19 , and the mounting seat 14 is arranged on the lower bottom plate 4 , The sliding plate 15 is slidably installed on the upper surface of the mounting seat 14, the push cylinder 16 is installed on the mounting seat 14, and the piston rod of the pushing cylinder 16 is connected with the sliding plate 15, and the sliding plate 15 can be pushed through the pushing cylinder 16 in the sliding plate 15. The mounting base 14 slides back and forth, four telescopic cylinders 17 are vertically arranged on the mounting base 14, and the four telescopic cylinders 17 are respectively arranged in two rows on both sides of the sliding plate 15, and the fixed base 19 is installed on the four On the upper piston rod of the telescopic cylinder 17, the sleeve 18 is vertically installed on the mounting seat 14, and the upper and lower ends of the sleeve 18 are arranged through the upper and lower ends. The shaft rod placed on the sliding plate 15 can be placed in the sleeve 18 through the vertical groove through the backward movement and sliding of the sliding plate 15 . The sliding plate 15 can be retracted and driven into the mounting seat 14, so that the shaft on the sliding plate 15 is located in the sleeve 18, and then the telescopic cylinder 17 moves down, and the mounting seat 14 drives the sleeve 18 to move down and interfere with the shaft. At the circlip on the rod, the second pressing head 20 presses the mounting seat 14 so that the mounting seat 14 is press-fitted.

The lower end of the sleeve 18 is made of a plastic part, and the plastic part can prevent the metal sleeve 18 from causing metal bumps to the bearing.

The uprights 5 are provided with six between the upper bottom plate 3 and the lower bottom plate 4, and the six uprights 5 are respectively arranged according to two in each row of the left, middle and right, and the corresponding two uprights 5 of each row are located at the upper bottom and the lower bottom plate 4 respectively. front and rear sides.

The shaft rod and bearing seat press-fitting mechanism is installed between the left and middle rows of uprights 5 , and the oil seal bushing press-fit mechanism is installed between the middle and right rows of uprights 5 .

A position adjustment device is provided between the first and second pressing seat assemblies and the lower bottom plate 4, respectively. The position adjusting device includes a positioning block 24 and an adjusting bolt 25. The positioning block 24 is installed on the lower bottom plate, and the corresponding pressure The seat assembly is installed on the corresponding positioning block 24 and accurately positioned, and then the positioning block and the corresponding pressing seat assembly are connected by adjusting bolts 25 .

The shaft rod and bearing seat press-fitting mechanism also includes a fixed plate 1 26 and a guide column 1 27, the piston rod of the booster cylinder 11 is fixedly connected with the center of the fixed plate 1 26, and the guide column 1 27 is provided with two , the two guide posts 1 27 are respectively symmetrically and vertically arranged on the upper surface of the fixing plate 7, the upper base plate 3 is provided with a through hole 1 corresponding to the two guide posts 1 27, and the two guide posts 1 27 are respectively slidably installed on Inside the corresponding through hole one, the indenter one 10 is installed at the center of the lower side of the fixing plate one 26 .

The oil seal bushing press-fitting mechanism also includes a second fixing plate 28 and a second guide column 29. The piston rod of the second booster cylinder 21 is fixedly connected to the center of the second fixing plate 28. The second guide column 29 is provided with two guide columns. Two guide posts 29 are respectively symmetrically and vertically arranged on the upper surface of the fixing plate 7, and two through holes are provided on the upper base plate 3 corresponding to the two guide posts 29, and the two guide posts 29 are respectively slidably installed on the corresponding two guide posts 29. In the second through hole, the second indenter 20 is installed at the center of the lower side of the second fixing plate 28 .

The arrangement of the guide post and the through hole can limit the position of the fixed plate 7, so as to avoid the displacement of the piston rod of the booster cylinder during the downward movement, resulting in the press-fitting damage between the shaft rod, the bearing and the bearing seat. .

Through this technical solution, the electrical operation of the shaft rod and the bearing seat pressing mechanism and the oil seal bushing pressing mechanism is connected to the external PLC controller through the electrical connection method of the prior art, and the PLC controller is used for monitoring and operation control. The shaft and bearing seat press-fitting mechanism can fit the bearing seat, the bearing and the shaft to the pressing seat 6, and the displacement sensor-13 and pressure sensor-12 can detect the down pressure and the downward stroke during the pressing process. To judge whether the press-fitting is complete, the circlip can be press-fitted onto the shaft through the oil-seal bushing press-fitting mechanism, and through the setting of the second pressure sensor 22 and the second displacement sensor 23, the circlip pressure and downward stroke amount can be pressed The test is carried out so as to be used to judge whether the circlip press-fit installation parameters are met, so as to judge whether the circlip press-fit is qualified.

The press-fitting process equipment collects the pull pressure and displacement sensor signals and processes the output force-displacement curve. After comparing the output signal with the set value, it can be judged whether the press-fitting is qualified. If the press fitting is unqualified, the equipment will automatically alarm and prompt, and if the pressing seat 6 is qualified, the workpiece will be manually taken out and flowed into the next process.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a column pressure equipment axostylus axostyle bearing press which characterized in that: comprises a frame body, an upper base plate and a lower base plate which are arranged on the frame body, a shaft lever and bearing seat press-mounting mechanism and an oil seal shaft sleeve press-mounting mechanism which are arranged between the upper base plate and the lower base plate, wherein the frame body comprises an upper rack and a lower rack, the upper rack is arranged above the lower rack, the lower base plate is arranged above the lower rack, the upper rack faces downwards and is right opposite to the lower base plate, the upper base plate is arranged right above the lower base plate, an upright post is arranged between the upper base plate and the lower base plate, the upper base plate is fixedly connected with the lower base plate through the upright post, the shaft lever and bearing seat press-mounting mechanism and the oil seal shaft sleeve press-mounting mechanism are arranged side by side from left,

the shaft lever and bearing seat press-mounting mechanism comprises a first press seat component, a first pressure head, a first booster cylinder, a first pressure sensor and a first displacement sensor, wherein the first press seat component is arranged on a lower base plate, the first booster cylinder is arranged on an upper base plate, a piston rod of the first booster cylinder is positioned on the lower side of the upper base plate and faces the first press seat component, the first pressure head is arranged on a piston rod of the first booster cylinder, the first pressure head and the first press seat component are arranged in a matched mode, the first displacement sensor is arranged on an upper rack and is used for detecting the telescopic displacement of the piston rod of the first booster cylinder, the first pressure sensor is arranged between the piston rod of the first booster cylinder and the first pressure head, and the pressure sensor is used for detecting the pressure applied by the,

the oil seal shaft sleeve press-mounting mechanism comprises a second press seat assembly, a second pressure head, a second booster cylinder, a second pressure sensor and a second displacement sensor, wherein the second press seat assembly is installed on the lower base plate, the second booster cylinder is installed on the upper base plate, a piston rod of the second booster cylinder is located on the lower side of the upper base plate and faces the second press seat assembly, the second pressure head is installed on a piston rod of the second booster cylinder, the second pressure head and the second press seat assembly are arranged in a matched mode, the second displacement sensor is installed on the upper rack, the telescopic displacement of the piston rod of the second booster cylinder is detected through the second pressure sensor, the pressure sensor is installed between the piston rod of the second booster cylinder and the second pressure head, and pressure applied by the two pairs of.

2. The column press-fitting shaft bearing press according to claim 1, wherein: the first pressing seat assembly comprises a pressing seat and a moving mechanism, the pressing seat is a vertical cylinder, a through groove is formed in the side wall of the vertical cylinder, the vertical cylinder is vertically installed on the lower bottom plate, a fixing plate is arranged on one side of the upper end of the vertical cylinder, the moving mechanism is arranged on the fixing plate, the shaft rod is arranged in the vertical cylinder through the through groove, the shaft rod is located at the top end of the vertical cylinder through a bearing seat matched with the shaft rod, and the bearing seat is in contact fit with the moving mechanism.

3. The column press-fitting shaft bearing press according to claim 2, wherein: the movable mechanism comprises a U-shaped clamping block and a reciprocating pushing cylinder, the reciprocating pushing cylinder is installed on the fixing plate, the U-shaped clamping block is installed on a piston rod of the reciprocating pushing cylinder, an opening of the U-shaped clamping block faces upward, when the bearing seat is located at the top end of the vertical cylinder, a part mechanism of the bearing seat is arranged in the U-shaped clamping block, the reciprocating pushing cylinder drives the U-shaped clamping block to move back and forth, and the bearing seat can move in the press fitting process.

4. The column press-fitting shaft bearing press according to claim 1, wherein: the pressure seat subassembly two includes the mount pad, the slide, push away the jar, the telescoping cylinder, sleeve and fixing base, the mount pad sets up on the bottom plate down, slide slidable mounting is on the upside surface of mount pad, push away the jar and install on the mount pad, and push away the piston rod of jar and be connected with the slide, can promote the slide to slide around on the mount pad through pushing away the jar, the telescoping cylinder is vertical on the mount pad to be provided with 4, and 4 telescoping cylinders are two rows of settings respectively in the both sides of slide, the fixing base is installed on the upper portion piston rod of 4 telescoping cylinders, the sleeve is vertical to be installed on the mount pad, and the sleeve is for both ends link up the setting from top to bottom, the side of the dead ahead of sleeve is the inside vertical groove of intercommunication sleeve, arrange the axostylus axostyle on the slide in, the backshifting through the slide of.

5. The column press-fitting shaft bearing press according to claim 4, wherein: the lower end of the sleeve is made of a plastic piece.

6. The column press-fitting shaft bearing press according to claim 1, wherein: six stand columns are arranged between the upper base plate and the lower base plate, the six stand columns are arranged in two rows from left to right respectively, and two corresponding stand columns in each row are located on the front side and the rear side of the upper base plate and the front side and the rear side of the lower base plate respectively.

7. The column press-fitting shaft bearing press according to claim 6, wherein: the shaft lever and the bearing seat press-mounting mechanism are arranged between the left row of upright posts and the middle row of upright posts, and the oil seal shaft sleeve press-mounting mechanism is arranged between the middle row of upright posts and the right row of upright posts.

8. The column press-fitting shaft bearing press according to claim 1, wherein: and position adjusting devices are respectively arranged between the first pressing seat assembly and the second pressing seat assembly and the lower base plate, each position adjusting device comprises a positioning block and an adjusting bolt, the positioning blocks are installed on the lower base plate, the corresponding pressing seat assemblies are installed on the corresponding positioning blocks, and the adjusting bolts are connected with the positioning blocks and the corresponding pressing seat assemblies.

9. The column press-fitting shaft bearing press according to claim 1, wherein: the shaft lever and bearing seat press-fitting mechanism further comprises a first fixing plate and two first guide pillars, a piston rod of the first booster cylinder is fixedly connected with the center of the first fixing plate, the two first guide pillars are symmetrically and vertically arranged on the upper side surface of the first fixing plate respectively, a first through hole is formed in the upper bottom plate corresponding to the two first guide pillars, the two first guide pillars are slidably arranged in the corresponding first through holes respectively, and a first pressure head is arranged at the center of the lower side of the first fixing plate.

10. The column press-fitting shaft bearing press according to claim 1, wherein: the oil seal shaft sleeve press-fitting mechanism further comprises a second fixing plate and two guide pillars, a piston rod of the second booster cylinder is fixedly connected with the center of the second fixing plate, the two guide pillars are respectively symmetrically and vertically arranged on the upper side surface of the second fixing plate, a second through hole is formed in the upper base plate corresponding to the two guide pillars, the two guide pillars are respectively slidably arranged in the corresponding second through holes, and a second pressing head is arranged at the center of the lower side of the second fixing plate.

Images