Multifunctional clamp for automobile gearbox synchronizing ring

Abstract

The invention provides an automobile gearbox synchronizing ring multifunctional clamp which comprises a clamp mechanism, and the clamp mechanism comprises a clamping air cylinder, a precise clamp, a partition plate, a synchronizing ring clamp rotating shaft, a pressure sensor, an adjusting air cylinder, a synchronizing ring clamp mounting plate, a synchronizing ring clamp butt joint flange and a station position detection sensor. The precise clamp is movably connected to the bottom of the clamping air cylinder, the partition plate is fixedly connected to the top of the clamping air cylinder, and the synchronous ring clamp rotating shaft is movably connected to the top of the partition plate. Through the arrangement of the clamp mechanism, the phenomenon of periodic workpiece clamping caused by accumulation of machining tolerance and assembly tolerance is avoided, and the problems of low efficiency and high reject ratio of manual operation are solved; and a theoretical technical basis and a reliable research and development result are provided for standardized production, batch production, efficient production and unmanned digital intelligent workshop construction of the automobile transmission synchronizing ring.

Description

Technical Field

[0001] The present invention relates to a multi-functional fixture for automotive transmission synchronizer rings and belongs to the technical field of automotive processing. Background Art

[0002] Automotive transmission synchronizer rings are mechanical transmission parts used inside automotive transmissions, which are crucial parts of automotive transmissions and also determine the mobility performance of automobiles. The processing accuracy requirements for the production process of transmission synchronizer rings are very high. The existing production process is to manually place the blank on the spindle of the machine tool on the production line for processing.

[0003] This production method belongs to primitive manual processing and has great disadvantages: when manually placing the blank, due to the frequent existence of gaps between the end face of the blank and the end face of the spindle, the airtightness detection is unqualified, and the problem of installing the blank multiple times occurs, reducing labor efficiency; when manually performing secondary processing, it is easy to knock the tooth tips of the synchronizer ring, resulting in the unusability of the synchronizer ring and a low qualification rate; it is impossible to form a batch and standardized production line. Later, the South Korean automotive industry improved the manual processing method and developed an automated system. The core of this automated system is the synchronizer ring fixture. The working principle of this system is: the system memorizes the stop position of the machine tool spindle; the system simultaneously memorizes the position of the synchronizer ring teeth before the synchronizer ring is clamped; the fixture automatically grabs the workpiece and places it into the spindle according to the system signal. This method has continued for many years and has made some progress compared to the manual processing method, but there are fatal problems in actual production: this system will fail to automatically load materials every 10 - 15 days, and it takes 2 days to re-calibrate the system, which cannot meet the requirements of an intelligent factory's automatic production line. The reasons for the problems are obvious: this South Korean system first utilizes the spindle positioning function, but the spindle positioning is not decisive positioning and there is a positioning error; secondly, this system utilizes the synchronizer ring blank positioning, and this positioning also has a positioning error; when the fixture grabs the blank, it is impossible to manually adjust the axis of the blank and the axis of the fixture to be concentric, and there is also a grabbing positioning error; the system has a cumulative error, so problems will occur irregularly.

[0004] Therefore, a multi-functional fixture for automotive transmission synchronizer rings is proposed. Summary of the Invention

[0005] In view of this, the present invention provides a multi-functional fixture for automotive transmission synchronizer rings to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0006] The technical solution of the present invention is realized as follows: A multi-functional fixture for an automotive transmission synchronizer ring, including a fixture mechanism. The fixture mechanism includes a clamping cylinder, a precision clamp, a partition plate, a synchronizer ring fixture rotating shaft, a pressure sensor, an adjustment cylinder, a synchronizer ring fixture mounting plate, a synchronizer ring fixture docking flange, and a station position detection sensor. The precision clamp is movably connected to the bottom of the clamping cylinder, the partition plate is fixedly connected to the top of the clamping cylinder, the synchronizer ring fixture rotating shaft is movably connected to the top of the partition plate, the pressure sensor is arranged on the top of the partition plate, the adjustment cylinder is fixedly connected to the top of the partition plate, the synchronizer ring fixture mounting plate is fixedly connected to the top of the synchronizer ring fixture rotating shaft, and the synchronizer ring fixture docking flange is arranged on the top of the synchronizer ring fixture mounting plate.

[0007] Further preferably, a cylinder rotating shaft seat is fixedly connected to the back of the adjustment cylinder.

[0008] Further preferably, the output end of the adjustment cylinder is drivingly connected to a cylinder push rod.

[0009] Further preferably, a cylinder support is penetrated through the inside of the cylinder rotating shaft seat.

[0010] Further preferably, a rubber pad is fixedly connected to the inner side of the precision clamp.

[0011] Further preferably, an air pipe joint is communicated with the inside of the clamping cylinder.

[0012] Further preferably, a fixing plate is fixedly connected to the front of the clamping cylinder.

[0013] Further preferably, a transmission plate is fixedly connected to the top of the cylinder push rod, and the bottom of the transmission plate is fixedly connected to the bottom of the synchronizer ring fixture mounting plate.

[0014] Due to the adoption of the above technical solutions in the embodiments of the present invention, it has the following advantages:

[0015] 1. Through the setting of the fixture mechanism, the present invention solves the problem of periodic workpiece jamming caused by the accumulation of machining tolerances and assembly tolerances, and solves the problems of low efficiency and high unqualified rate associated with manual operation, providing a theoretical technical basis and reliable R & D results for the standardized production, batch production, high-efficiency production of automotive transmission synchronizer rings, and the construction of unmanned digital intelligent workshops.

[0016] Second, through the setting of the cylinder support, the adjustment cylinder can be strengthened, ensuring that the adjustment cylinder can operate more stably. Through the setting of the rubber pad, it can ensure that when the precision clamp performs the clamping operation, it will not cause excessive wear to the clamped item, greatly reducing the friction between the two. Through the setting of the air pipe joint, it is more convenient to connect the cylinder to the external air source. Through the setting of the fixed plate, the clamping cylinder can be strengthened, ensuring the stability of the overall structure. Through the setting of the transmission plate, the power transmission effect can be achieved between the cylinder push rod and the synchronous ring fixture mounting plate.

[0017] The above summary is only for the purpose of the specification and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a three-dimensional front view structural schematic diagram of the present invention;

[0020] Figure 2 For the present invention Figure 1 It is an enlarged structural schematic diagram at position A in

[0021] Figure 3 It is a structural schematic diagram of the adjustment cylinder in the disassembled state of the present invention;

[0022] Figure 4 It is a partial structural schematic diagram of the present invention;

[0023] Figure 5 It is a front view structural diagram of the precision clamp of the present invention.

[0024] Reference numerals: 1. Fixture mechanism; 11. Clamping cylinder; 12. Precision clamp; 13. Partition plate; 14. Synchronous ring fixture rotating shaft; 15. Pressure sensor; 16. Adjustment cylinder; 17. Synchronous ring fixture mounting plate; 18. Synchronous ring fixture docking flange; 2. Cylinder rotating shaft seat; 3. Cylinder push rod; 4. Cylinder support; 5. Rubber pad; 6. Air pipe joint; 7. Fixed plate; 8. Transmission plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0026] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] Embodiment 1

[0028] As Figures 1-5 shown, the embodiment of the present invention provides a multi-functional fixture for an automotive transmission synchronizer ring, including a fixture mechanism 1. The fixture mechanism 1 includes a clamping cylinder 11, a precision clamp 12, a partition plate 13, a synchronizer ring fixture rotating shaft 14, a pressure sensor 15, an adjustment cylinder 16, a synchronizer ring fixture mounting plate 17, a synchronizer ring fixture docking flange 18, and a station position detection sensor 19. The precision clamp 12 is movably connected to the bottom of the clamping cylinder 11. The partition plate 13 is fixedly connected to the top of the clamping cylinder 11. The synchronizer ring fixture rotating shaft 14 is movably connected to the top of the partition plate 13. The pressure sensor 15 is arranged on the top of the partition plate 13. The adjustment cylinder 16 is fixedly connected to the top of the partition plate 13. The synchronizer ring fixture mounting plate 17 is fixedly connected to the top of the synchronizer ring fixture rotating shaft 14. The synchronizer ring fixture docking flange 18 is arranged on the top of the synchronizer ring fixture mounting plate 17. A cylinder rotating shaft seat 2 is fixedly connected to the back of the adjustment cylinder 16. The output end of the adjustment cylinder 16 is drivingly connected to a cylinder push rod 3.

[0029] Through the setting of the fixture mechanism 1, the phenomenon of periodic workpiece jamming caused by the accumulation of machining tolerances and assembly tolerances is solved, and the problems of low efficiency and high unqualified rate associated with manual operation are solved, providing a theoretical technical basis and reliable research and development results for the standardized production, batch production, high-efficiency production, and construction of a unmanned digital intelligent workshop for automotive transmission synchronizer rings.

[0030] Embodiment 2

[0031] In one embodiment, a cylinder support 4 is penetrated through the inside of the cylinder rotating shaft seat 2. A rubber pad 5 is fixedly connected to the inner side of the precision clamp 12. An air pipe joint 6 is communicated with the inner side of the clamping cylinder 11. A fixing plate 7 is fixedly connected to the front of the clamping cylinder 11. The top of the cylinder push rod 3 is fixedly connected to a transmission plate 8. The bottom of the transmission plate 8 is fixedly connected to the bottom of the synchronizer ring fixture mounting plate 17.

[0032] Through the setting of the cylinder support 4, the adjustment cylinder 16 can be strengthened to ensure that the adjustment cylinder 16 can operate more stably. Through the setting of the rubber pad 5, it can be ensured that when the precision clamp 12 performs the clamping operation, it will not cause excessive wear to the clamped object, greatly reducing the friction between the two. Through the setting of the air pipe joint 6, it is more convenient to connect the cylinder to an external air source. Through the setting of the fixing plate 7, the clamping cylinder 11 can be strengthened to ensure the stability of the overall structure. Through the setting of the transmission plate 8, the power transmission effect can be achieved between the cylinder push rod 3 and the synchronous ring fixture mounting plate 17.

[0033] When the present invention is working: only need to start the clamping cylinder 11 and the adjustment cylinder 16. When the output end of the clamping cylinder 11 drives the precision clamp 12 to perform the clamping operation, the pressure sensor 15 senses that the workpiece is grasped in place. When the transmission synchronizing ring cannot be inserted into the machine tool spindle, the sensor sends a signal to drive the rotation of the synchronizing ring fixture rotating shaft 14 for angle adjustment. The adjustment cylinder 16 adjusts the position to a suitable position to install the transmission synchronizing ring. Through the above operations, the periodic jamming phenomenon of the workpiece caused by the accumulation of machining tolerances and assembly tolerances is changed.

[0034] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of various changes or substitutions, and these should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claimed rights.

Claims

1. A multifunctional clamp for a synchronizer ring of an automobile transmission, comprising a clamp mechanism (1), characterized in that: The clamp mechanism (1) comprises a clamping cylinder (11), a precision clamp (12), a partition plate (13), a synchronous ring clamp rotating shaft (14), a pressure sensor (15), an adjustment cylinder (16), a synchronous ring clamp mounting plate (17), a synchronous ring clamp interface flange (18), and a workstation position detection sensor (19). The precision clamp (12) is movably connected to the bottom of the clamping cylinder (11), the partition plate (13) is fixedly connected to the top of the clamping cylinder (11), the synchronous ring clamp rotating shaft (14) is movably connected to the top of the partition plate (13), the pressure sensor (15) is arranged on the top of the partition plate (13), the adjustment cylinder (16) is fixedly connected to the top of the partition plate (13), the synchronous ring clamp mounting plate (17) is fixedly connected to the top of the synchronous ring clamp rotating shaft (14), and the synchronous ring clamp interface flange (18) is arranged on the top of the synchronous ring clamp mounting plate (17).

2. The multifunctional fixture for the synchronizer ring of an automobile transmission according to claim 1, characterized in that: The back side of the adjusting cylinder (16) is fixedly connected with a cylinder rotating shaft seat (2).

3. The multifunctional fixture for the synchronizer ring of an automobile transmission according to claim 1, characterized in that: The output end of the adjustment cylinder (16) is transmission-connected to a cylinder push rod (3).

4. The multifunctional fixture for the synchronizer ring of an automobile transmission according to claim 2, characterized in that: A cylinder support (4) is provided through the interior of the cylinder rotating shaft seat (2).

5. The multifunctional fixture for the synchronizer ring of an automobile transmission according to claim 1, characterized in that: A rubber pad (5) is fixedly connected to the inner side of the precision clamp (12).

6. The multifunctional fixture for the synchronizer ring of an automobile transmission according to claim 1, characterized in that: The inner side of the clamping cylinder (11) is connected to a gas pipe joint (6).

7. The multifunctional fixture for the synchronizer ring of an automobile transmission according to claim 1, characterized in that: A fixing plate (7) is fixedly connected to the front side of the clamping cylinder (11).

8. The multifunctional fixture for the synchronizer ring of an automobile transmission according to claim 3, characterized in that: The top of the cylinder push rod (3) is fixedly connected to a transmission plate (8), and the bottom of the transmission plate (8) is fixedly connected to the bottom of a synchronization ring clamp mounting plate (17).

Images