CN210173379U

CN210173379U - Device for detecting and clamping gear shifting fork shaft

Info

Publication number: CN210173379U
Application number: CN201920857154.0U
Authority: CN
Inventors: Jin Lu; 陆锦; Xiaodong Cheng; 程晓冬
Original assignee: Anhui Yucheng Electromechanical Co Ltd
Current assignee: Anhui Yucheng Electromechanical Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-24
Anticipated expiration: 2029-06-06

Abstract

The utility model relates to an automobile parts processing field, concretely relates to a device for shifting fork axle detects centre gripping usefulness, comprises a workbench, drive actuating cylinder and fixture, be provided with the work piece locating hole on the workstation, three fixture of group all include the connecting rod along work piece locating hole circumference evenly distributed setting, every fixture of group, the axis of rotation, the rotation wheel, the catch wheel, the slip table, slider and pinch roller, the axis of rotation is pegged graft perpendicularly on the connecting rod, it sets up with the catch wheel is concentric to rotate the wheel, it is provided with the propelling rod still to extend on the catch wheel edge, the propelling rod is connected with the slider, be provided with pinch roller on the slider, the slider sets up on the slip table, one of them fixture's connecting rod is connected with the output shaft that drives actuating cylinder, be connected through first transfer line and second transfer line respectively between the connecting rod of adjacent two sets of. The device carries out a series of transmission through driving the air cylinder, so that the clamping wheel is close to the workpiece positioning hole to fix the workpiece, and the device has a simple structure and is convenient to use.

Description

Device for detecting and clamping gear shifting fork shaft

Technical Field

The utility model relates to an automobile parts processing field, concretely relates to a device for shifting fork axle detects centre gripping usefulness.

Background

The gearbox is an important part of a vehicle, and can change the transmission ratio and enlarge the torque and the rotating speed of a driving wheel. The manual transmission mainly comprises gears and shafts, and the speed and torque changing is realized by combining different gears; the automatic gearbox consists of a hydraulic torque converter, a planetary gear, a hydraulic pitch-changing system and a hydraulic control system. The speed and torque changing is achieved by combining hydraulic transmission and gears. The shifting fork shaft is a device for pushing the sliding gear, a shifting fork with an annular groove on the sliding gear rides in the annular groove, when a driver pushes the gear lever, the speed lever drives the shifting fork shaft, the shifting fork shaft drives the shifting fork, and the shifting fork pushes the gear again to achieve speed change, such as a first-gear shifting fork shaft, a second-gear shifting fork shaft, a third-fourth-gear shifting fork shaft, a reverse shifting fork shaft and the like.

There are many structures on the shifting fork axle, like constant head tank, recess, V type groove etc. and when processing, need especially pay attention to the detail, guarantee product quality, in addition to its surperficial coating, surface smoothness etc. all have the requirement, so will detect it in production, will use clamping device in the testing process, but current clamping device uses a bit not convenient enough, and the structure is comparatively complicated, complex operation, still can not guarantee to carry out comprehensive effective angle regulation to the shifting fork axle, seems not nimble enough convenient. This problem is not solved, and an improvement in the holding device is required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device that is used for shifting fork axle to detect centre gripping usefulness.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a device for shifting fork axle detects centre gripping usefulness, includes workstation, drive actuating cylinder and fixture all set up on the workstation, be provided with the work piece locating hole on the workstation, fixture is provided with three groups, three groups fixture evenly distributed sets up along work piece locating hole circumference, be provided with the fixing base on the workstation, the fixing base is provided with threely, fixing base and fixture one-to-one set up, and every group fixture all includes connecting rod, axis of rotation, rotating wheel, push wheel, slip table, slider and clamp pulley, connecting rod, rotating wheel and push wheel all set up in the top of fixing base and with the workstation level setting, the axis of rotation is pegged graft at the intermediate position of connecting rod perpendicularly, rotating wheel and push wheel set up with one heart, the rotating wheel joint is located the intermediate position of push wheel, the utility model discloses a workpiece positioning device, including promotion wheel, slider, work piece locating hole, drive wheel, push rod and promotion wheel integrated into one piece, the promotion wheel is the loop configuration, still extend on the promotion wheel edge and be provided with the promotion stick, promote stick and promotion wheel integrated into one piece, the one end fixed connection of work piece locating hole is kept away from with the slider, the slider is close to one of work piece locating hole and serves and be provided with the tight pulley of clamp, the fixed setting of slip table is on the workstation, the slider setting on the slip table and with slip table sliding connection, the one end of one of them fixture's connecting rod is connected with the output shaft that drives actuating cylinder, is connected through.

Furthermore, a driving rod is arranged on an output shaft of the driving air cylinder, and a connecting rod of one clamping mechanism is connected with the output shaft of the driving air cylinder through the driving rod.

Furthermore, a fixed bearing is arranged in the fixed seat and is connected with the bottom end of the rotating shaft.

Furthermore, the intermediate position of connecting rod is provided with first spliced eye, the eccentric position of rotating the wheel is provided with the second spliced eye, be provided with the key structure on the axis of rotation, first spliced eye and second spliced eye all are provided with the keyway structure, the connecting rod links to each other through first spliced eye and axis of rotation grafting cooperation, the wheel that rotates links to each other through second spliced eye and axis of rotation grafting cooperation.

Further, a sliding groove is formed in the sliding table, the sliding block is located in the sliding groove, the sliding groove is of a dovetail groove structure, and the bottom of the sliding block corresponds to the sliding groove in shape and is in sliding fit with the sliding groove.

Furthermore, an installation part is arranged at one end, close to the workpiece positioning hole, of the sliding block, a middle shaft of the clamping wheel is fixed on the installation part through a fixing shaft, the clamping wheel is arranged in parallel to the workbench, and the clamping wheel can rotate freely.

Further, still be provided with control panel on the workstation, control panel and drive actuating cylinder electric connection.

The utility model has the advantages that: the gear shifting fork shaft clamping device can effectively position and clamp the gear shifting fork shaft, the whole device adopts a power source, the purpose of operating the whole device can be achieved, the structure is simple, the operation is coordinated, and the operation of workers is convenient. After the centre gripping is fixed, the pinch roller can not influence the adjustment of work piece, can rotate along with the work piece together, and the staff angle of adjustment and position of being convenient for can carry out comprehensive detection to the work piece effectively, are favorable to in-service use, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of a partially disassembled structure of the present invention;

fig. 5 is a schematic diagram of a partially disassembled structure of the present invention;

in the figure: workstation 1, work piece locating hole 1a, fixing base 1b, control panel 1c drives actuating cylinder 2, actuating lever 2a, fixture 3, connecting rod 3a, first spliced eye 3a1, axis of rotation 3b, the wheel of rotating 3c, second spliced eye 3c1, catch wheel 3d, push rod 3d1, slip table 3e, slider 3f, installed part 3g, press from both sides tight wheel 3h, first transfer line 4, second transfer line 5, fixing bearing 6, example declutch shift axle work piece 7.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the device for clamping and detecting a shift fork shaft comprises a workbench 1, a driving cylinder 2 and a clamping mechanism 3, wherein the driving cylinder 2 and the clamping mechanism 3 are both arranged on the workbench 1, a workpiece positioning hole 1a is arranged on the workbench 1, the clamping mechanism 3 is provided with three groups, the three groups of clamping mechanisms 3 are uniformly distributed along the circumferential direction of the workpiece positioning hole 1a, a fixed seat 1b is arranged on the workbench 1, the fixed seat 1b is provided with three groups, the fixed seat 1b and the clamping mechanism 3 are arranged in a one-to-one correspondence manner, each group of clamping mechanism 3 comprises a connecting rod 3a, a rotating shaft 3b, a rotating wheel 3c, a pushing wheel 3d, a sliding table 3e, a sliding block 3f and a clamping wheel 3h, the connecting rod 3a, the rotating wheel 3c and the pushing wheel 3d are all arranged above the fixed seat 1b and are horizontally arranged with the workbench 1, the rotating shaft 3b is vertically inserted in the middle of the connecting rod 3a, the rotating wheel 3c and the pushing wheel 3d are concentrically arranged, the rotating wheel 3c is clamped and positioned at the middle position of the pushing wheel 3d, the pushing wheel 3d is of an annular structure, the edge of the pushing wheel 3d is also provided with a pushing rod 3d1 in an extending way, the pushing rod 3d1 and the pushing wheel 3d are integrally formed, the pushing rod 3d1 is fixedly connected with one end of the sliding block 3f far away from the workpiece positioning hole 1a, one end of the sliding block 3f close to the workpiece positioning hole 1a is provided with a clamping wheel 3h, the sliding table 3e is fixedly arranged on the workbench 1, the sliding block 3f is arranged on the sliding table 3e and is connected with the sliding table 3e in a sliding way, one end of a connecting rod 3a of one clamping mechanism 3 is connected with an output shaft of the driving cylinder 2, and the connecting rods 3a of two adjacent groups of clamping mechanisms 3 are respectively connected through a first transmission rod 4 and a second transmission rod 5. The device is used for clamping and fixing the shifting fork shaft part so as to detect, process or maintain a workpiece. The example fork shaft workpiece 7 is first passed through the workpiece positioning hole 1a in the middle of the table 1, and then the driving cylinder 2 is activated through the control panel 1c, the driving cylinder 2 pushes one end of the connecting rod 3a of one of the gripping mechanisms 3, the link 3a is deflected and then rotates with the rotating shaft 3b inserted thereon, the rotating shaft 3b will bring the rotating wheel 3c to rotate, and the rotating wheel 3c will bring the pushing wheel 3d to rotate, because the eccentric positions of the rotating shaft 3b and the rotating wheel 3c are connected, therefore, when the pushing wheel 3d is driven to rotate, the traveling path of the pushing rod 3d1 has a certain angle, the pushing rod 3d1 pushes the front slide block 3f to advance in the sliding table 3e, and the slide block 3f pushes the front clamping wheel 3h to approach the workpiece positioning hole 1a until the front clamping wheel contacts and abuts against the example declutch shift shaft workpiece 7. Meanwhile, the other end of the connecting rod 3a of the group of clamping mechanisms 3 pushes the first transmission rod 4 to move, and further pushes the connecting rod 3a of the next group of clamping mechanisms 3 to deflect, and the series of movements are completed. Similarly, the second link 3a deflects and pushes the second transmission rod 5 to move, so as to push the link 3a of the third group of clamping mechanisms 3 to deflect, and the above-mentioned series of movements are completed. The three groups of clamping mechanisms 3 are cooperated to push respective clamping wheels 3h to approach an example declutch shift shaft workpiece 7 in the workpiece positioning hole 1a together to fixedly clamp the workpiece. After the work is finished, the driving cylinder 2 is pulled back, the whole device is driven to move reversely, clamping and positioning can be cancelled, and a workpiece is taken down. In addition, when the clamping wheel 3h supports against the workpiece, the rotation of the dead workpiece cannot be limited, and the clamping wheel 3h can be matched with the workpiece to rotate together. The device has the advantages of convenient use, simple structure, flexible operation and strong practicability.

The output shaft of the driving cylinder 2 is provided with a driving rod 2a, and a connecting rod 3a of one clamping mechanism 3 is connected with the output shaft of the driving cylinder 2 through the driving rod 2 a. Drive actuating cylinder 2 through promoting actuating lever 2a, and then promote one of them fixture 3's connecting rod 3a and take place to deflect, reach the purpose of driving whole device, actuating lever 2a plays protection and driven effect, has avoided the contact between the part, has reduced the degree of wear of equipment, postpones life.

A fixed bearing 6 is arranged in the fixed seat 1b, and the fixed bearing 6 is connected with the bottom end of the rotating shaft 3 b. The rotating shaft 3b is freely rotatable in the fixed bearing 6 and functions as a support for the components.

The middle position of the connecting rod 3a is provided with a first plug hole 3a1, the eccentric position of the rotating wheel 3c is provided with a second plug hole 3c1, the rotating shaft 3b is provided with a key structure, the first plug hole 3a1 and the second plug hole 3c1 are both provided with key groove structures, the connecting rod 3a is connected with the rotating shaft 3b through the first plug hole 3a1 in a plug-in matching mode, and the rotating wheel 3c is connected with the rotating shaft 3b through the second plug hole 3c1 in a plug-in matching mode. The key has very strong connectivity with the grafting cooperation of keyway, when promoting transmission efficiency for equipment operation is stable, still has longer life.

The sliding table 3e is provided with a sliding groove, the sliding block 3f is located in the sliding groove, the sliding groove is of a dovetail groove structure, and the bottom of the sliding block 3f corresponds to the sliding groove in shape and is in sliding fit with the sliding groove. The arrangement of the dovetail groove structure ensures that the sliding block 3f and the sliding table 3e are connected and fastened, and the working stability of the device is ensured.

One end of the sliding block 3f, close to the workpiece positioning hole 1a, is provided with a mounting piece 3g, a middle shaft of the clamping wheel 3h is fixed on the mounting piece 3g through a fixed shaft, the clamping wheel 3h is arranged in parallel to the workbench 1, and the clamping wheel 3h can rotate freely. The clamping wheel 3h freely rotates relative to the mounting piece 3g, so when the sample declutch shift shaft workpiece 7 is tightly supported, the rotation of the workpiece cannot be hindered, and the worker can conveniently adjust the direction and the angle of the workpiece, so that the detection and maintenance are more comprehensive, and convenience is brought to operation.

The workbench 1 is further provided with a control panel 1c, and the control panel 1c is electrically connected with the driving cylinder 2. The control panel 1c has a regulation function, and the operation of the driving cylinder 2 is operated through the control panel 1c to control the operation and stop of the device.

The working principle is as follows: the device is used for clamping and fixing the shifting fork shaft part so as to detect, process or maintain a workpiece. The example fork shaft workpiece 7 is first passed through the workpiece positioning hole 1a in the middle of the table 1, and then the driving cylinder 2 is activated through the control panel 1c, the driving cylinder 2 pushes one end of the connecting rod 3a of one of the gripping mechanisms 3, the link 3a is deflected and then rotates with the rotating shaft 3b inserted thereon, the rotating shaft 3b will bring the rotating wheel 3c to rotate, and the rotating wheel 3c will bring the pushing wheel 3d to rotate, because the eccentric positions of the rotating shaft 3b and the rotating wheel 3c are connected, therefore, when the pushing wheel 3d is driven to rotate, the traveling path of the pushing rod 3d1 has a certain angle, the pushing rod 3d1 pushes the front slide block 3f to advance in the sliding table 3e, and the slide block 3f pushes the front clamping wheel 3h to approach the workpiece positioning hole 1a until the front clamping wheel contacts and abuts against the example declutch shift shaft workpiece 7. Meanwhile, the other end of the connecting rod 3a of the group of clamping mechanisms 3 pushes the first transmission rod 4 to move, and further pushes the connecting rod 3a of the next group of clamping mechanisms 3 to deflect, and the series of movements are completed. Similarly, the second link 3a deflects and pushes the second transmission rod 5 to move, so as to push the link 3a of the third group of clamping mechanisms 3 to deflect, and the above-mentioned series of movements are completed. The three groups of clamping mechanisms 3 are cooperated to push respective clamping wheels 3h to approach an example declutch shift shaft workpiece 7 in the workpiece positioning hole 1a together to fixedly clamp the workpiece. After the work is finished, the driving cylinder 2 is pulled back, the whole device is driven to move reversely, clamping and positioning can be cancelled, and a workpiece is taken down. In addition, when the clamping wheel 3h supports against the workpiece, the rotation of the dead workpiece cannot be limited, and the clamping wheel 3h can be matched with the workpiece to rotate together. The control panel 1c has a regulation function, and the operation of the driving cylinder 2 is operated through the control panel 1c to control the operation and stop of the device.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A device for detecting and clamping a gear shifting fork shaft is characterized by comprising a workbench (1), a driving cylinder (2) and clamping mechanisms (3), wherein the driving cylinder (2) and the clamping mechanisms (3) are arranged on the workbench (1), the workbench (1) is provided with workpiece positioning holes (1a), the clamping mechanisms (3) are provided with three groups, the three groups of clamping mechanisms (3) are uniformly distributed and arranged along the circumferential direction of the workpiece positioning holes (1a), the workbench (1) is provided with three fixing seats (1b), the three fixing seats (1b) are arranged, the fixing seats (1b) and the clamping mechanisms (3) are arranged in a one-to-one correspondence manner, each group of clamping mechanisms (3) comprises a connecting rod (3a), a rotating shaft (3b), a rotating wheel (3c), a pushing wheel (3d), a sliding table (3e), a sliding block (3f) and a clamping wheel (3h), the connecting rod (3a), the rotating wheel (3c) and the pushing wheel (3d) are all arranged above the fixed seat (1b) and are horizontally arranged with the workbench (1), the rotating shaft (3b) is vertically inserted in the middle of the connecting rod (3a), the rotating wheel (3c) and the pushing wheel (3d) are concentrically arranged, the rotating wheel (3c) is clamped in the middle of the pushing wheel (3d), the pushing wheel (3d) is of an annular structure, a pushing rod (3d1) is further arranged on the edge of the pushing wheel (3d) in an extending mode, the pushing rod (3d1) and the pushing wheel (3d) are integrally formed, the pushing rod (3d1) is fixedly connected with one end, far away from the workpiece positioning hole (1a), of the sliding block (3f) close to the workpiece positioning hole (1a), and a clamping wheel (3h) is arranged at one end, close to the workpiece positioning hole (1a), of the sliding block (3f), the sliding table (3e) is fixedly arranged on the workbench (1), the sliding block (3f) is arranged on the sliding table (3e) and is in sliding connection with the sliding table (3e), one end of a connecting rod (3a) of one clamping mechanism (3) is connected with an output shaft of the driving cylinder (2), and the connecting rods (3a) of two adjacent groups of clamping mechanisms (3) are connected through a first transmission rod (4) and a second transmission rod (5) respectively.

2. A device for detecting clamping of a shift rail according to claim 1, characterized in that: and a driving rod (2a) is arranged on an output shaft of the driving cylinder (2), and a connecting rod (3a) of one clamping mechanism (3) is connected with the output shaft of the driving cylinder (2) through the driving rod (2 a).

3. A device for detecting clamping of a shift rail according to claim 2, characterized in that: a fixed bearing (6) is arranged in the fixed seat (1b), and the fixed bearing (6) is connected with the bottom end of the rotating shaft (3 b).

4. A device for detecting clamping of a shift rail according to claim 3, characterized in that: the middle position of connecting rod (3a) is provided with first spliced eye (3a1), the eccentric position of rotating wheel (3c) is provided with second spliced eye (3c1), be provided with the key structure on axis of rotation (3b), first spliced eye (3a1) and second spliced eye (3c1) all are provided with the keyway structure, connecting rod (3a) are pegged graft the cooperation through first spliced eye (3a1) and are linked to each other with axis of rotation (3b), it is continuous with axis of rotation (3b) grafting cooperation through second spliced eye (3c1) to rotate wheel (3 c).

5. A device for detecting clamping of a shift rail according to claim 4, characterized in that: the sliding table (3e) is provided with a sliding groove, the sliding block (3f) is located in the sliding groove, the sliding groove is of a dovetail groove structure, and the bottom of the sliding block (3f) corresponds to the sliding groove in shape and is in sliding fit with the sliding groove.

6. A device for detecting clamping of a shift rail according to claim 5, characterized in that: one end, close to the workpiece positioning hole (1a), of the sliding block (3f) is provided with a mounting piece (3g), a middle shaft of the clamping wheel (3h) is fixed on the mounting piece (3g) through a fixing shaft, the clamping wheel (3h) is arranged in parallel to the workbench (1), and the clamping wheel (3h) can rotate freely.

7. A device for detecting clamping of a shift rail according to claim 6, characterized in that: the workbench (1) is further provided with a control panel (1c), and the control panel (1c) is electrically connected with the driving cylinder (2).