CN211028856U - Automatic assembling machine for crossed bearing and framework oil seal - Google Patents

Abstract

The utility model discloses an automatic assembly machine for a cross bearing and a skeleton oil seal, comprising a worktable, a clamp mechanism, a clamping mechanism for clamping the cross bearing, and a carrying mechanism for carrying the clamp mechanism. On the worktable, the clamp mechanism is installed on the output end of the carrier mechanism. The clamp mechanism and the clamp mechanism are arranged opposite to each other in the same direction. The carrier mechanism drives the clamp to move in a direction close to or away from the clamp mechanism. The clamp mechanism includes a pair of cross bearings. The inner pressure ring pressed against the inner ring, the outer pressure ring pressed against the outer ring of the cross bearing, and the oil seal pressure ring slidably arranged between the inner pressure ring and the outer pressure ring, the inner pressure ring, the outer pressure ring and the The oil seal pressure ring together encloses an accommodation cavity for accommodating the skeleton oil seal, and the sliding of the oil seal pressure ring pushes the skeleton oil seal to be pressed into the cross bearing. Therefore, the utility model has a high degree of automation, high assembly precision and assembly efficiency, and improves the sealing performance of the cross bearing, thereby ensuring the sealing performance of the harmonic reducer.

Description

Cross bearing and skeleton oil seal automatic assembly machine

technical field

The utility model relates to the field of harmonic reducer assembly, in particular to an assembly device of a cross bearing and a skeleton oil seal.

Background technique

Harmonic reducer is a new type of reducer developed by using the principle of harmonic drive. Harmonic drive relies on flexible parts to generate elastic mechanical waves to transmit power and motion. Because the harmonic gear reducer has the unique advantages of high carrying capacity, large transmission ratio, small size, light weight, high transmission efficiency, and stable transmission, it is widely used in electronics, aerospace, robotics and other industries, and also in the chemical industry. gradually increase.

In order to ensure the high-precision, stable and reliable operation of the harmonic reducer, in addition to the high precision of its own components, it is also necessary to maintain good lubricity of the harmonic reducer. Direct contact makes the grease deteriorate and carbonize, which will greatly shorten the life of the harmonic reducer, so the sealing performance of the harmonic reducer is particularly important.

Cross bearing has become one of the important components of harmonic reducer because it can bear axial load, radial load and overturning moment and other loads at the same time, and has high rigidity, high rotation accuracy and composite bearing capacity. Therefore, the lubricity of the cross bearing is extremely important.

At present, there is no special device in China for the installation of cross bearing and skeleton oil seal. At present, most of the skeleton oil seals are installed by hammering, which is easy to cause damage to the skeleton oil seal, such as spring protruding, oil seal edge flanging leading to grease leakage, etc., and the knocking will also damage the relevant parts of the harmonic reducer, resulting in reduced overall accuracy.

Therefore, there is an urgent need for an automatic assembly machine for the cross bearing and the skeleton oil seal that realizes the automatic assembly of the cross bearing and the skeleton oil seal and has high assembly accuracy and assembly efficiency to overcome the above defects.

Utility model content

The purpose of the utility model is to provide an automatic assembly machine for cross bearing and frame oil seal which realizes automatic assembly of cross bearing and frame oil seal and has high assembly precision and assembly efficiency.

In order to achieve the above purpose, the cross bearing and skeleton oil seal automatic assembly machine of the present invention includes a workbench, a clamp mechanism, a clamp mechanism for clamping the cross bearing, and a carrying mechanism for carrying the clamp mechanism, the The clamping mechanism and the carrying mechanism are arranged on the worktable, the clamping mechanism is installed on the output end of the carrying mechanism, and the clamping mechanism and the clamping mechanism are arranged opposite to each other along the same direction. The carrier mechanism drives the clamp to move in a direction close to or away from the clamping mechanism, and the clamp mechanism includes an inner pressure ring that presses the inner ring of the cross bearing, and a ring that presses the outer ring of the cross bearing. The outer pressure ring and the oil seal pressure ring slidably arranged between the inner pressure ring and the outer pressure ring, the inner pressure ring, the outer pressure ring and the oil seal pressure ring together enclose a space for accommodating the skeleton oil seal. The accommodating cavity, the sliding of the oil seal pressure ring pushes the skeleton oil seal to be pressed into the cross bearing.

Preferably, the carrying mechanism includes a base plate, a motor arranged on the base plate, a lead screw connected to the output end of the motor, a nut sleeved on the lead screw, and a movable motor that is fixedly connected to the nut. A connecting plate, the clamp mechanism is mounted on the moving connecting plate.

Preferably, the carrying mechanism further includes a guide assembly that provides guidance for the movement of the moving connecting plate, and the guiding assembly includes a sliding rail provided on the bottom plate and a sliding adapter disposed at the bottom of the moving connecting plate. The sliding adapter block is slidably arranged on the sliding rail.

Preferably, it also includes a mounting plate erected on the output end of the carrying mechanism, and the clamping mechanism is mounted on the mounting plate.

Preferably, the inner pressure ring passes through the mounting plate, and the inner pressure ring and the outer pressure ring are arranged concentrically.

Preferably, the clamp mechanism further includes an outer pressure ring mounting assembly fixed on the mounting plate, a hollow hole is formed in the middle of the outer pressure ring mounting assembly, and the outer pressure ring is butted to the edge of the hollow hole. The inner pressure ring also passes through the hollow hole, and the side surface of the outer pressure ring used to press against the cross bearing is flush with the side surface of the inner pressure ring.

Preferably, an accommodation hole for accommodating the oil seal pressure ring is provided between the outer pressure ring and the inner pressure ring, and the oil seal pressure ring is in clearance fit with the accommodation hole.

Preferably, the clamp mechanism further includes a drive mechanism for driving the oil seal pressure ring to slide, and an output end of the drive mechanism is connected to the oil seal pressure ring.

Preferably, the drive mechanism includes a support frame mounted on the mounting plate, a cylinder mounted on the support frame, a floating joint connected to the output end of the cylinder, and the floating joint is connected to the oil seal. Compression ring connection.

Preferably, an oil seal pressure ring installation assembly is provided between the drive mechanism and the oil seal pressure ring, the oil seal pressure ring installation assembly is connected with the end cover of the oil seal pressure ring, and the oil seal pressure ring installation assembly is further selectively abuts the mounting plate. .

Compared with the prior art, the utility model provides an automatic assembly machine for cross bearings and skeleton oil seals. By means of the mutual coordination among the clamping mechanism, the clamping mechanism and the carrying mechanism, the clamping mechanism and the clamping mechanism are arranged horizontally in the same direction. , and the clamp mechanism is also installed on the output end of the carrier mechanism, so the carrier mechanism can drive the clamp mechanism to move in the direction close to the clamp mechanism. When the clamp mechanism is close to the cross bearing of the clamp mechanism, the inner part of the clamp mechanism The pressure ring is pressed against the inner ring of the cross bearing, the outer pressure ring of the clamp mechanism is pressed against the outer ring of the cross bearing, and because the oil seal pressure ring between the inner pressure ring and the outer pressure ring can slide, and the skeleton oil seal is It is located in the receiving cavity enclosed by the inner pressure ring, the outer pressure ring and the oil seal pressure ring, so the sliding of the oil seal pressure ring can push the skeleton oil seal to press the skeleton oil seal into the concave between the inner ring and the outer ring of the cross bearing. After the press-fitting is completed, the carrier mechanism drives the clamp mechanism to move in a direction away from the clamping mechanism, and the clamping mechanism releases the assembled cross bearing. Therefore, the cross bearing and skeleton oil seal automatic assembling machine of the utility model has a high degree of automation, avoids the error of manual operation and damage to the cross bearing, has high assembly accuracy and assembly efficiency, improves the sealing performance of the cross bearing, thereby ensuring harmonic deceleration. tightness of the device.

Description of drawings

Figure 1 is a schematic diagram of the assembly process of the cross bearing and the skeleton oil seal.

Fig. 2 is a three-dimensional schematic diagram of the automatic assembly machine for cross bearing and skeleton oil seal of the present invention.

FIG. 3 is a schematic three-dimensional structure diagram from another perspective of the automatic assembly machine of the cross bearing and the skeleton oil seal of the present invention.

4 is a schematic three-dimensional structural diagram of the clamp mechanism and the carrying mechanism of the automatic cross bearing and skeleton oil seal assembly machine of the present invention.

FIG. 5 is a perspective structural schematic diagram of the clamp mechanism and the carrying mechanism of the cross bearing and the skeleton oil seal automatic assembling machine of the present invention from another perspective.

6 is a sectional view of the clamp mechanism and the carrying mechanism of the automatic cross bearing and skeleton oil seal assembling machine of the present invention, taken along the vertical section line.

FIG. 7 is a three-dimensional structural schematic diagram of the oil seal pressure ring of the cross bearing and the skeleton oil seal automatic assembly machine of the present invention.

Detailed ways

In order to describe the technical content and structural features of the present utility model in detail, further description is given below with reference to the embodiments and the accompanying drawings.

Please refer to FIG. 1 to FIG. 2 , the automatic assembly machine 100 of the cross bearing and the skeleton oil seal of the present invention is suitable for the occasion where the bone oil seal is press-fitted into the cross bearing 200 . The cross bearing 200 includes an inner ring 201 and an outer ring 202, and a groove 203 is provided between the inner ring 201 and the outer ring 202 for the skeleton oil seal 300 to be press-fitted into. It is worth noting that the structures of the cross bearing 200 and the skeleton oil seal 300 are well known to those skilled in the art, so they will not be repeated here.

Please refer to FIGS. 2 to 6 , the cross bearing and skeleton oil seal automatic assembly machine 100 of the present invention includes a worktable 1 , a clamp mechanism 3 , a clamp mechanism 2 for clamping the cross bearing 200 , a clamp mechanism 3 for carrying the clamp mechanism 3 . Carrying mechanism 4 , controller (not shown) and operation panel 6 . The controller is electrically connected with the clamping mechanism 2 , the clamping mechanism 3 , the carrying mechanism 4 and the operation panel 6 to coordinately control the starting and closing of the clamping mechanism 2 , the clamping mechanism 3 and the carrying mechanism 4 . The operation panel 6 is arranged on the workbench. The clamping mechanism 2 and the carrying mechanism 4 are arranged on the worktable 1, the clamping mechanism 3 is installed on the output end of the carrying mechanism 4, the clamping mechanism 2 and the clamping mechanism 3 are oppositely arranged in the same direction, and the carrying mechanism 4 drives the clamping Or move away from the clamping mechanism 2, the clamping mechanism 3 includes an inner pressure ring 31 pressing against the inner ring 201 of the cross bearing 200, an outer pressing ring 32 pressing against the outer ring 202 of the cross bearing 200, and a slidable device. The oil seal pressure ring 33 between the inner pressure ring 31 and the outer pressure ring 32, the inner pressure ring 31, the outer pressure ring 32 and the oil seal pressure ring 33 together enclose a receiving cavity 34 for receiving the skeleton oil seal 300. The oil seal pressure ring The sliding of 33 pushes the skeleton oil seal 300 to be pressed into the cross bearing 200 . More specifically, as follows:

Referring to FIGS. 4 to 5 , the carrying mechanism 4 includes a base plate 41 , a motor 42 disposed on the base plate 41 , a lead screw 43 connected to the output end of the motor 42 , a nut 44 sleeved on the lead screw 43 , and fixed to the nut 44 The connected moving connecting plate 45 and the clamp mechanism 3 are mounted on the moving connecting plate 45 . Therefore, when the carrying mechanism 4 is running, the motor 42 is started, and the motor 42 drives the lead screw 43 to rotate, thereby making the nut 44 move on the lead screw 43, so the moving connecting plate 45 moves with the nut 44, thereby realizing the driving of the clamp mechanism 3 along the approaching or moving direction. The purpose of moving away from the direction of the clamping mechanism 2. Preferably, the carrying mechanism 4 further includes a coupling 46 , one end of the coupling 46 is connected to the motor 42 and the other end is connected to the lead screw 43 . Do not disengage, and protect the lead screw 43 from excessive load. At the same time, the carrying mechanism 4 further includes bearing seats 47 , there are two bearing seats 47 , the bearing seats 47 are arranged on the bottom plate 41 , one of the bearing seats 47 is sleeved on the first end of the lead screw 43 , and the other bearing seat 47 is sleeved A coupling 46 is adjacent to the second end of the lead screw 43 , and the bearing seat 47 helps the lead screw 43 to rotate smoothly and reliably and supports the lead screw 43 , thereby making the sliding of the nut 44 more stable. In addition, the carrying mechanism 4 further includes a guide assembly 48 that provides guidance for the movement of the moving connecting plate 45 . The guiding assembly 48 includes a sliding rail 481 provided on the bottom plate 41 and a sliding adapter block 482 disposed at the bottom of the moving connecting plate 45 . , the sliding adapter block 482 is slidably arranged on the sliding rail 481 . For example, the motor 42 is a servo motor 42 with a speed reducer, but not limited thereto.

Please refer to FIGS. 2 to 3 , the clamping mechanism 2 includes a support assembly 21 arranged on the worktable 1 , a clamping cylinder 22 mounted on the support assembly 21 , and a clamping jaw 23 disposed at the output end of the clamping cylinder 22 . The cylinder 22 selectively drives the clamping jaws 23 to move toward or away from the center to clamp or release the cross bearing 200 . Specifically, the clamping cylinder 22 is horizontally inserted on the support assembly 21 , the output end of the clamping cylinder 22 is arranged laterally, the number of clamping jaws 23 is three and is symmetrically distributed in the center, and the number of clamping jaws 23 is not the same limited. It is understandable that the structural principles of the clamping cylinder 22 and the clamping jaws 23 are well known to those skilled in the art, so they will not be repeated here. Specifically, the support assembly 21 includes a connecting bottom plate 211 horizontally disposed on the workbench 1 , a vertical plate 212 vertically disposed on one side of the connecting bottom plate 211 , and a reinforcing plate 213 connected between the connecting bottom plate 211 and the vertical plate 212 . , the reinforcing plate 213 is a triangular plate structure, and in other embodiments, the reinforcing plate 213 can also be a fan-shaped plate structure, so it is not limited thereto. More specifically, the clamping cylinder 22 is horizontally penetrated on the vertical plate 212 .

Please refer to FIG. 4 to FIG. 7 , the cross bearing and skeleton oil seal automatic assembly machine 100 of the present invention further includes a mounting plate 5 erected on the output end of the carrying mechanism 4 , that is, the mounting plate 5 is erected on the movable connecting plate 45 , the clamp mechanism 3 is mounted on the mounting plate 5 . Specifically, the inner pressure ring 31 passes through the mounting plate 5 , that is, the mounting plate 5 is provided with a through hole through which the inner pressure ring 31 passes. The inner pressure ring 31 and the outer pressure ring 32 are arranged concentrically, so that an accommodation hole 35 for accommodating the oil seal pressure ring 33 is provided between the outer pressure ring 32 and the inner pressure ring 31, and the oil seal pressure ring 33 and the accommodation hole 35 are in clearance fit , thereby facilitating the smooth sliding of the oil seal pressure ring 33 in the accommodating hole 35 . It can be understood that the accommodating cavity 34 and the accommodating hole 35 communicate with each other. Specifically, the inner pressure ring 31 , the outer pressure ring 32 and the oil seal pressure ring 33 are all cylindrical structures with end caps to facilitate installation, but not limited thereto. It is worth noting that both the inner pressure ring 31 and the outer pressure ring 32 are fixed relative to the mounting plate 5 , and the oil seal pressure ring 33 is movable relative to the mounting plate 5 .

Please refer to FIGS. 4 to 7 , in order to achieve the purpose that the inner pressure ring 31 and the outer pressure ring 32 are arranged concentrically, the clamp mechanism 3 further includes an outer pressure ring mounting assembly 36 fixed on the mounting plate 5 , and the outer pressure ring mounting assembly 36 A hollow hole (not shown in the figure) is provided in the middle, the outer pressure ring 32 is butted on the edge of the hollow hole, and the inner pressure ring 31 also passes through the hollow hole. Specifically, in this embodiment, the outer pressure ring mounting assembly 36 includes a first connecting plate connected to the outer pressure ring 32 and a second connecting plate vertically connected to the first connecting plate 361 . The first connecting plate is connected to the mounting plate 5 In parallel, the second connecting plates are respectively vertically connected on both sides of the mounting plate 5 . More specifically, the hollow hole is formed on the first connecting plate 361 . Preferably, the side surface of the outer pressure ring 32 for pressing the cross bearing 200 is flush with the side surface of the inner pressure ring 31, so that the outer ring 32 and the inner pressure ring 31 press against the outer ring 202 and the outer ring 202 of the cross bearing 200. When the inner ring 201 is pressed synchronously and quickly, the pressing is prevented from being unreliable, and the skeleton oil seal 300 is prevented from falling off from the gap during the pushing process.

Please refer to FIGS. 4 to 7 , in order to drive the oil seal pressing ring 33 to slide in the accommodating hole 35 , the clamp mechanism 3 further includes a driving mechanism 37 for driving the oil seal pressing ring 33 to slide, and a driving mechanism 37 connected between the driving mechanism 37 and the oil seal pressing ring 33 The oil seal pressure ring installation assembly 38. Specifically, the oil seal pressure ring installation component 38 is movably located between the outer pressure ring installation component 36 and the installation plate 5, the installation plate 5 is fixed, and the outer pressure ring installation component 36 is fixed relative to the installation plate 5, so that the inner pressure ring 31 and the outer The pressure rings 32 are fixed relative to the mounting plate 5 , and the oil seal pressure ring 33 is movable relative to the mounting plate 5 . When the drive mechanism 37 drives the oil seal pressure ring 33 mounting plate 5 assembly to move, the oil seal pressure ring mounting assembly 38 is selectively pressed between the outer pressure ring mounting assembly 36 and the mounting plate 5 .

Please continue to refer to FIGS. 4 to 7 , the output end of the driving mechanism 37 is connected to the oil seal pressure ring mounting assembly 38 , and the oil seal pressure ring mounting assembly 38 is connected to the end cover of the oil seal pressure ring 33 ; of course, in other embodiments, according to the actual situation If necessary, the oil seal pressure ring mounting assembly 38 can be ignored, and the output end of the drive mechanism 37 is directly connected to the oil seal pressure ring 33, so it is not limited thereto. Specifically, the driving mechanism 37 includes a support frame 371 mounted on the mounting plate 5 , a cylinder 372 mounted on the support frame 371 , a floating joint 373 connected to the output end of the cylinder 372 , and the floating joint 373 is connected to the oil seal pressure ring mounting assembly 38 By means of the floating joint 373, the flexible connection between the cylinder 372 and the oil seal pressure ring 33 is realized, and the problem of insufficient parallelism between the shaft center of the oil seal pressure ring 33 and the output end of the cylinder 372 is absorbed and solved. Even if the coaxiality is low, the thrust will not be reduced, and the damage of the cylinder 372 is prevented, and the life of the cylinder 372 is prolonged. It can be understood that the cylinder 372 pushes or pulls the oil seal pressure ring mounting assembly 38, and then pushes or pulls the oil seal pressure ring 33 to slide in the accommodating hole 35, so the oil seal pressure ring mounting assembly 38 has the function of enabling the oil seal pressure ring 33 to press the skeleton oil seal 300. into the first position of the cross bearing 200 and the second position to reset the oil seal pressure ring 33 . For example, when the oil seal pressure ring installation assembly 38 is in the first position, the oil seal pressure ring installation assembly 38 abuts against the outer pressure ring installation assembly 36, and the oil seal pressure ring 33 pushes the skeleton oil seal 300 to be pressed into the cross bearing 200; when the oil seal pressure When the ring mounting assembly 38 is in the second position, the oil seal pressing ring mounting assembly 38 abuts against the mounting plate 5 , so that the oil seal pressing ring mounting assembly 38 is positioned at the initial position, preventing excessive reset of the oil seal pressing ring mounting assembly 38 .

Please continue to refer to FIGS. 4 to 7 , the oil seal pressure ring mounting assembly 38 includes an oil seal connecting plate 381 connected to the end cover of the oil seal pressure ring 33 , a side plate 382 vertically connected to both sides of the oil seal connecting plate 381 , and two The cross bar 383 between the side plates 382 , the oil seal connecting plate 381 and the cross bar 383 are parallel to each other, the side plate 382 is vertically connected between the oil seal connecting plate 381 and the side plate 382 , and the floating joint 373 is connected with the cross bar 383 . Specifically, the oil seal connection plate 381 , the first connection plate 361 and the installation are parallel to each other, and the oil seal connection plate 381 is located between the first connection plate 361 and the installation plate 5 . Preferably, when the oil seal pressure ring mounting assembly 38 slides under the driving of the driving mechanism 37 , the oil seal connecting plate 381 selectively abuts on the mounting plate 5 or the first connecting plate 361 . For example, when the oil seal connecting plate 381 abuts on the first connecting plate 361, that is, the oil seal pressing ring mounting assembly 38 is in the first position, that is, the skeleton oil seal 300 is pressed into the cross bearing 200; when the oil seal connecting plate 381 abuts When the plate 5 is installed, the oil seal pressure ring installation assembly 38 is in the second position. Preferably, an escape hole 3821 is formed on the side of the side plate 382 close to the first connecting plate 361 , and the second connecting plate 362 can be placed in the avoidance hole 3821 by means of the escape hole 3821 and connected to the mounting plate 5 , thereby The clamp mechanism 3 has a reasonable space utilization, compact structure, and maximized space saving. For example, the avoidance hole 3821 is a hole connected to the bottom plate 211 . Of course, the avoidance hole 3821 can also be a U-shaped hole, which is not limited thereto.

With reference to the accompanying drawings, the working principle of the cross bearing and skeleton oil seal automatic assembly machine 100 of the present invention is described: the clamping mechanism 2 is activated, the clamping cylinder 22 controls the opening of the clamping jaws 23, and the cross bearing 200 is placed between the clamping jaws 23. , the clamping cylinder 22 drives the clamping jaws 23 to clamp the cross bearing 200 , and then the skeleton oil seal 300 is placed in the receiving cavity 34 . Next, start the carrying mechanism 4, move the connecting plate 45 to drive the mounting plate 5 and the clamp mechanism 3 to move together toward the clamping mechanism 2, until the outer pressure ring 32 and the inner pressure ring 31 press against the outer ring 202 of the cross bearing 200 at the same time. When the inner ring 201 is reached, the driving mechanism 37 is activated, the air cylinder 372 drives the floating joint 373, and the floating joint 373 pushes the oil seal pressure ring mounting assembly 38, thereby pushing the oil seal pressure ring 33 to slide in the accommodating hole 35, thereby pushing the skeleton oil seal 300, and finally The skeleton oil seal 300 is pressed into the groove 203 of the cross bearing 200; after the pressing is completed, the drive mechanism 37 drives the oil seal pressure ring mounting assembly 38 and the oil seal pressure ring 33 to reset, and the carrier mechanism 4 drives the clamp mechanism 3 and the mounting plate 5 to move away together. The direction of the clamping mechanism 2 moves, and finally the clamping mechanism 2 releases the assembled cross bearing 200 .

Compared with the prior art, the present invention provides an automatic assembly machine 100 for a cross bearing and a skeleton oil seal. By means of the mutual coordination among the clamping mechanism 2, the clamping mechanism 3 and the carrying mechanism 4, the clamping mechanism 2 and the clamping mechanism 3 is arranged horizontally in the same direction, and the clamp mechanism 3 is also installed on the output end of the carrier mechanism 4, so the carrier mechanism 4 can drive the clamp mechanism 3 to move in the direction close to the clamping mechanism 2. When the cross bearing 200 of the mechanism 2 is in close contact, the inner pressure ring 31 of the clamp mechanism 3 is pressed against the inner ring 201 of the cross bearing 200, and the outer pressure ring 32 of the clamp mechanism 3 is pressed against the outer ring 202 of the cross bearing 200, In addition, because the oil seal pressure ring 33 between the inner pressure ring 31 and the outer pressure ring 32 can slide, and the skeleton oil seal 300 is arranged in the receiving cavity 34 jointly enclosed by the inner pressure ring 31, the outer pressure ring 32 and the oil seal pressure ring 33 , so the sliding of the oil seal pressing ring 33 can push the skeleton oil seal 300 to press the skeleton oil seal 300 into the groove 203 between the inner ring 201 and the outer ring 202 of the cross bearing 200; after the pressing is completed, the carrier mechanism 4 drives the The clamp mechanism 3 moves in a direction away from the clamp mechanism 2 , and the clamp mechanism 2 releases the assembled cross bearing 200 . Therefore, the automatic assembly machine 100 of the cross bearing and the skeleton oil seal of the present invention has a high degree of automation, avoids the error of manual operation and damage to the cross bearing 200, has high assembly accuracy and assembly efficiency, and improves the sealing of the cross bearing 200, thereby ensuring The tightness of the harmonic reducer.

The above disclosures are only preferred examples of the present invention, and cannot limit the scope of the rights of the present invention. Therefore, the equivalent changes made according to the claims of the present invention all belong to the scope covered by the present invention.

Claims (10)

1. An automatic assembling machine for a crossed bearing and a framework oil seal is characterized by comprising a workbench, a clamp mechanism, a clamping mechanism used for clamping the crossed bearing and a carrying mechanism used for carrying the clamp mechanism, wherein the clamping mechanism and the carrying mechanism are arranged on the workbench, the clamp mechanism is arranged at the output end of the carrying mechanism, the clamping mechanism and the clamp mechanism are oppositely arranged along the same direction, the carrying mechanism drives the clamp to move along the direction close to or far away from the clamping mechanism, the clamp mechanism comprises an inner pressure ring for pressing an inner ring of the crossed bearing, an outer pressure ring for pressing an outer ring of the crossed bearing and an oil seal pressure ring arranged between the inner pressure ring and the outer pressure ring in a sliding manner, the inner pressure ring, the outer pressure ring and the oil seal pressure ring jointly enclose an accommodating cavity for accommodating the framework oil seal, and the sliding of the oil seal pressing ring pushes the framework oil seal to be pressed into the crossed bearing.

2. The automatic assembling machine for crossed bearing and framework oil seal as claimed in claim 1, wherein said carrying mechanism comprises a base plate, a motor arranged on said base plate, a lead screw connected with the output end of said motor, a nut sleeved on said lead screw, and a moving connecting plate fixedly connected with said nut, and said clamping mechanism is mounted on said moving connecting plate.

3. The automatic assembling machine for crossed bearing and framework oil seal as claimed in claim 2, wherein said carrying mechanism further comprises a guiding component for guiding the movement of said moving connection plate, said guiding component comprises a sliding rail disposed on said base plate and a sliding adapter block disposed on the bottom of said moving connection plate, said sliding adapter block is slidably disposed on said sliding rail.

4. The automatic assembling machine for crossed bearing and framework oil seal as claimed in claim 1, further comprising a mounting plate erected on the output end of said carrying mechanism, said clamp mechanism being mounted on said mounting plate.

5. The cross bearing and framework oil seal automatic assembling machine as claimed in claim 4, wherein the inner pressure ring is arranged on the mounting plate in a penetrating manner, and the inner pressure ring and the outer pressure ring are arranged concentrically.

6. The cross bearing and framework oil seal automatic assembling machine as claimed in claim 5, wherein the clamp mechanism further comprises an outer pressure ring mounting assembly fixed on the mounting plate, a hollow hole is formed in the middle of the outer pressure ring mounting assembly, the outer pressure ring is butted on the edge of the hollow hole, and the inner pressure ring further penetrates through the hollow hole and is used for abutting against the side face of the outer pressure ring of the cross bearing to be flush with the side face of the inner pressure ring.

7. The automatic assembling machine for the crossed bearing and the framework oil seal as claimed in claim 1, wherein a containing hole for containing the oil seal pressing ring is formed between the outer pressing ring and the inner pressing ring, and the oil seal pressing ring is in clearance fit with the containing hole.

8. The automatic cross bearing and framework oil seal assembling machine according to claim 4, wherein the fixture mechanism further comprises a driving mechanism for driving the oil seal pressing ring to slide, and an output end of the driving mechanism is connected with the oil seal pressing ring.

9. The cross bearing and framework oil seal automatic assembling machine according to claim 8, wherein the driving mechanism comprises a support frame mounted on the mounting plate, an air cylinder mounted on the support frame, and a floating joint connected with an output end of the air cylinder, and the floating joint is connected with the oil seal pressing ring.

10. The crossed bearing and framework oil seal automatic assembling machine according to claim 8, wherein an oil seal compression ring installation assembly is arranged between the driving mechanism and the oil seal compression ring, the oil seal compression ring installation assembly is connected with an end cover of the oil seal compression ring, and the oil seal compression ring installation assembly is further selectively abutted against the installation plate.

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