CN217453587U

CN217453587U - Fixing device capable of quickly replacing and clamping multiple gearboxes

Info

Publication number: CN217453587U
Application number: CN202220288312.7U
Authority: CN
Inventors: 俞琦; 余扬; 周殷捷; 汪波; 夏善伟
Original assignee: Anhui Juyi Technology Co Ltd
Current assignee: Anhui Juyi Technology Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-09-20
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a fixing device capable of quickly changing and clamping a plurality of gearboxes, which comprises a base, a plurality of supporting plates, a group of rotary pressure heads and a group of rotary pressure claws, wherein the base positions and supports the plurality of supporting plates, and each supporting plate correspondingly supports one gearbox; the group of rotary pressing heads are arranged around the periphery of the supporting plate, and each rotary pressing head is operated by a pressing handle to quickly press/release the supporting plate; the group of rotary pressing claws is arranged around the periphery of the supporting plate and provided with a plurality of sets of replaceable quick-change pressing claws, and each set of quick-change pressing claws correspondingly presses one gearbox. The correct installation of the supporting plate is ensured by detecting whether the pressing handle is pressed in place or not and detecting and identifying the model of the supporting plate; and the mistake proofing is carried out through the positioning pin and the detection and identification of the type of the pressing claw. The utility model discloses satisfied can correct quick change, multiple gearbox's compatibility and the intelligent urgent demand of clamping to the tight end of clamp of gearbox.

Description

Fixing device capable of quickly replacing and clamping multiple gearboxes

Technical Field

The utility model relates to a gearbox clamping is intelligent, especially relates to a but fixing device of tight multiple gearbox of quick change clamp.

Background

The gearbox, one of the three major parts of the automobile, is a very important part on the automobile, and can change the transmission ratio and enlarge the action of the torque and the rotating speed of a driving wheel. The gearbox is required to be fixed in the testing and other processing processes, so that various mechanisms can be designed to fix the gearbox.

In the existing fixing structure, only a single gearbox can be fixed, and whether the gearbox is fixed in place is not detected and error-proof, for example, a test bench capable of quickly clamping the gearbox is disclosed in patent document CN 208921432U; chinese patent document CN201610478548.6 discloses a clamping device for machining a transmission housing.

Along with the trend of the intelligent development of production, the tight fixed design of clamp of original gearbox has unsatisfied actual need, is implementing the utility model discloses an in-process, the utility model discloses the people passes through the investigation, finds in the actual production to the tight end of clamp of gearbox can correct quick change, the compatibility and the clamping intelligence of multiple gearbox have urgent demands.

Some prior art can not carry on the quick change to the clamp structure, can not be compatible with the fixation of many gearboxes; some structures do not detect the action of the clamping structure, and the installation process is not mistake-proof; the gearbox is fixed and no check is made.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but fixing device of tight multiple gearbox of quick change clamp to make the tight end of clamp of gearbox correctly the quick change, and possess the compatibility to multiple gearbox.

Therefore, the utility model provides a fixing device capable of quickly changing and clamping a plurality of gearboxes, which comprises a base, a plurality of supporting plates, a group of rotary pressure heads and a group of rotary pressure claws, wherein the base is used for positioning and supporting the various supporting plates, and each supporting plate correspondingly supports one gearbox; the group of rotary pressing heads are arranged around the periphery of the supporting plate, and each rotary pressing head is operated by a pressing handle to quickly press/release the supporting plate; the group of rotary pressing claws is arranged around the periphery of the supporting plate and provided with a plurality of sets of replaceable quick-change pressing claws, and each set of quick-change pressing claws correspondingly presses one gearbox.

Further, the fixing device capable of clamping a plurality of gearboxes in a quick-change manner further comprises: the first detection mechanism is used for detecting whether the rotary pressure head is pressed in place or not; the second detection mechanism is used for detecting and identifying the model of the support plate; the floating plunger is used for triggering the gearbox to sink when the gearbox is located on the supporting plate; the third detection mechanism is used for detecting whether the floating plunger is sunk in place; the fourth detection mechanism is used for detecting the type of the quick-change pressing claw; and the fifth detection mechanism is used for detecting whether the quick-change pressing claw is pressed in place or not.

Furthermore, each rotary pressing claw comprises a rotary cylinder and an inserting mounting seat arranged on a cylinder rod head of the rotary cylinder, the quick-change pressing claw is provided with a slot matched with the inserting mounting seat, and a rotary plunger is further arranged on the quick-change clamping jaw.

Furthermore, a positioning pin with a unique position is arranged on the inserting mounting seat of each rotary pressing claw, and a U-shaped groove matched with the positioning pin is formed in the quick pressing claw.

Further, the base comprises a mounting base plate and a positioning boss located in the center of the mounting base plate, and the group of rotary pressing heads and the group of rotary pressing claws are supported on the mounting base plate and arranged around the positioning boss.

Further, the supporting plate comprises a body for supporting the gearbox and a plurality of ear parts distributed on the periphery of the body, wherein the set of rotary pressing heads is used for pressing the ear parts.

Further, the set of rotary pressing heads is three rotary pressing heads, and the set of rotary pressing claws is three rotary pressing claws.

Furthermore, the base is provided with a diamond pin for positioning the support plate, and the support plate is provided with a cylindrical pin for positioning the gearbox.

The utility model discloses a multiple quick change structure can satisfy the requirement of fixed multiple gearbox like this. And the error prevention of a physical structure and the detection of a sensor are adopted to ensure that all quick-change structures are correctly installed and installed in place. And a sensor is adopted to sense whether the gearbox is installed in place or not, and an alarm can be given if the gearbox is not installed in place. All quick-change parts are not installed by screws, so that time and labor waste caused by screw installation are avoided. And a sensor is adopted to sense whether the model of the quick-change piece is matched with the gearbox or not, and an alarm can be given if the model of the quick-change piece is not matched with the gearbox.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:

fig. 1 is a schematic plan view of a fixing device for quick-change clamping of a plurality of gearboxes according to the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a view showing a state of the fixing device for quick-change clamping of a plurality of transmissions according to the present invention;

figure 4 is a schematic plan view of a rotating jaw of the present invention for clamping a transmission; and

fig. 5 is a sectional view B-B of fig. 4.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 5, the fixing device for clamping a plurality of gearboxes in a quick-change manner of the present invention includes a base 15, a plurality of supporting plates 8, a set of rotary pressing heads 9 and a set of rotary pressing claws 1/2/3.

The base 15 is used for positioning and supporting various support plates 8, and each support plate 8 correspondingly supports one gearbox 14. Wherein, the base 15 is provided with a support plate positioning pin 10, such as a diamond pin. The support plate 8 is provided with a gearbox positioning pin 6, such as a cylindrical pin.

A set of rotary rams 9 is arranged around the periphery of said support plate 8, each rotary ram 9 being operated by a presser bar 9.1 to quickly press/release the support plate.

A set of rotary pressing jaws 1/2/3 is arranged around the periphery of the support plate 8, with a plurality of sets of replaceable quick-change pressing jaws 3.3, each set of quick-change pressing jaws pressing against a respective gearbox 14.

The fixing device also comprises a detection mechanism 13 for detecting whether the rotary pressure head is pressed in place or not and a detection mechanism 7 for detecting and identifying the model of the supporting plate, and whether the supporting plate is correctly installed in place or not can be judged through the detection mechanism and the detection mechanism.

The fixing device also comprises at least one floating plunger 11 and a detection mechanism 12 for detecting the sinking of the floating plunger so as to sense whether the gearbox is installed in place.

The fixing device also comprises a detection mechanism 4 for detecting the type of the quick-change pressing claw and a detection mechanism 5 for detecting whether the quick-change pressing claw is pressed in place or not, and further whether the gearbox is completely fixed or not is judged.

Referring collectively to fig. 2, the base 15 includes a base plate 15.1 and a locating boss 15.2 located at a central location of the mounting base plate. The positioning boss 15.2 has a positioning surface which is higher than the mounting substrate for positioning the support plate 8. Wherein the positioning pin 10 is arranged on this positioning boss 15.2.

Two floating plungers 14 which are separately arranged penetrate through the positioning boss 15.2, and the tops of the floating plungers extend out of through holes formed in the supporting plate 8 so as to detect whether the gearbox is installed in place.

With combined reference to fig. 1 and 2, the support plate 8 includes a body for supporting the transmission case and a plurality of ears 8.1 distributed on the periphery of the body, and a set of rotary indenters 9 press the plurality of ears 8.1 one-to-one. Therefore, the supporting plate is pressed and fixed at a position which does not interfere with the gearbox.

In order to reduce the workload of replacing parts, the number of the group of rotary pressure heads is three, and the number of the group of rotary pressure claws is three. In other embodiments, the number of the rotating pressing claws can be increased appropriately, for example, more than four rotating pressing claws can be used in whole or in part for a specific type of gearbox.

With reference to fig. 4 and 5, each rotary pressing claw includes a rotary cylinder 3.5, a plug-in mounting seat 3.4, a quick-change pressing claw 3.3, a rotary plunger 3.2 and a cylindrical pin 3.1 are arranged on a cylinder rod head of the rotary cylinder 3.5, the quick-change pressing claw 3.3 has a slot, such as a T-slot, which is matched with the plug-in mounting seat, and a rotary plunger 3.2 is further arranged on the quick-change clamping jaw, and the rotary plunger 3.2 is operated to enable a positioning portion of the rotary plunger 3.2 to extend into the plug-in mounting seat 3.4, thereby achieving positioning.

The utility model discloses a be applied to the structure that the tight end of clamp of gearbox can correctly the quick change, its correct quick change principle as follows:

(1) the supporting plate is correctly and quickly replaced: the supporting plate is matched with the pin hole in place through the positioning pin, the pressing handle of the rotary pressing head is pressed down, and the supporting plate is ensured to be correctly installed in place by detecting whether the pressing handle is pressed in place or not and detecting and identifying the model of the supporting plate;

(2) the gearbox pressing claw is correctly and quickly replaced: and loosening the rotary plunger 3.2 on the quick-change pressing claw, inserting the quick-change pressing claw 3.3 along the groove, locking the rotary plunger, and performing mistake proofing by using a positioning pin and detecting and identifying the type of the pressing claw.

The utility model discloses the switching process and the mistake proofing principle of each structure as follows:

(1) switching process and error proofing principle of the support plate 8: the supporting plate 8 is correctly installed through the matching of the positioning pin 10 and a pin hole in the supporting plate 8, and 3 same rotary pressure heads 9 are pressed down to fix the supporting plate 8 after the installation is finished. Detection mechanism 7 can detect whether the model of backup pad 8 matches with the model of gearbox and carries out the mistake proofing, and detection mechanism 13 can detect whether rotatory pressure head 9 presses in place and judges whether backup pad 8 is completely fixed, and the gearbox is fallen the position back floating plunger and can be triggered and sink in backup pad 8, thereby is detected by detection mechanism 12 and confirms that the gearbox is installed in place.

(2) The quick change process and the mistake proofing principle of the rotary pressing

claws

1, 2 and 3 are as follows: the quick-change process of the rotary pressing

claws

1, 2 and 3 is the same, taking the rotary pressing claw 3 as an example, the rotary plunger 3.2 is loosened, the quick-change pressing claw 3.3 is inserted according to the guide groove opening, and the rotary plunger is screwed down to fix the quick-change pressing claw 3.3 after the insertion. The detection mechanism 4 can detect whether the model of the pressing claw 3.3 is matched with the model of the gearbox for error prevention, and the detection mechanism 5 can detect whether the pressing claw 3.3 is pressed in place to judge whether the gearbox is completely fixed.

Owing to can appear pressing claw 1, 2, the condition of 3 simultaneous quick changes, for preventing that 3 press the claw installation errors each other, also designed the mistake proofing structure between the pressing claw, as shown in fig. 3, it can correctly cooperate with cylindric lock 3.1 after inserting to open the U-shaped groove on the pressing claw 3.3, the rotatory claw 1 that presses of the same reason, 2, 3 has all designed the cylindric lock in the mechanism, and 3 press the claw to all open on the position of difference has the U-shaped groove, cylindric lock and U-shaped groove can't correctly cooperate then press the claw to insert when 3 press the claw to insert the mistake each other, just so avoided the condition of quick change error between the pressing claw.

(3) The clamping process of the gearbox is as follows: the gearbox to be tested is correctly installed by matching the positioning pin 6 with a pin hole in the gearbox, the floating plunger 11 sinks under the action of the gravity of the gearbox, and the detection mechanism 12 detects the floating plunger 11 so as to determine that the gearbox is installed in place. After the gearbox is installed in place, the 3 pressing claws are driven by the rotating cylinder to complete the fixing of the gearbox, as shown in fig. 4, and then the relevant testing work of the gearbox can be carried out.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixing device capable of quickly changing and clamping various gearboxes is characterized by comprising a base, various supporting plates, a group of rotary pressing heads and a group of rotary pressing claws, wherein

The base is used for positioning and supporting each support plate in the multiple support plates, and each support plate correspondingly supports a gearbox;

the group of rotary pressing heads are arranged around the periphery of the supporting plate, and each rotary pressing head is operated by a pressing handle to quickly press/release the supporting plate;

the group of rotary pressing claws is arranged around the periphery of the supporting plate and provided with a plurality of sets of replaceable quick-change pressing claws, and each set of quick-change pressing claws correspondingly presses one gearbox.

2. The fixture for quick-change clamping of multiple gearboxes according to claim 1, further comprising:

the first detection mechanism is used for detecting whether the rotary pressure head is pressed in place or not;

the second detection mechanism is used for detecting and identifying the model of the support plate;

the floating plunger is used for triggering the gearbox to sink when the gearbox is located on the supporting plate;

the third detection mechanism is used for detecting whether the floating plunger is sunk in place;

the fourth detection mechanism is used for detecting the type of the quick-change pressing claw; and

and the fifth detection mechanism is used for detecting whether the quick-change pressing claw is pressed in place.

3. The fixing device capable of fast-changing and clamping multiple gearboxes according to claim 1, wherein each rotary pressing claw comprises a rotary cylinder and a plug-in mounting seat arranged on a cylinder rod head of the rotary cylinder, the fast-changing pressing claw is provided with a slot matched with the plug-in mounting seat, and the fast-changing clamping claw is further provided with a rotary plunger.

4. The fixing device capable of quickly clamping multiple gearboxes according to claim 1, wherein a positioning pin with a unique position is arranged on the plug-in mounting seat of each rotary pressing claw, and a U-shaped groove matched with the positioning pin is arranged on the quick pressing claw.

5. The fixture for quick-change clamping of multiple gearboxes according to claim 1, wherein the base comprises a mounting base plate and a positioning boss located at a central position of the mounting base plate, and the set of rotary pressing heads and the set of rotary pressing claws are supported on the mounting base plate and arranged around the positioning boss.

6. The fixture of claim 1, wherein the support plate comprises a body for supporting the gearbox and a plurality of ears distributed about the body, and wherein the set of rotary indenters is configured to compress the plurality of ears.

7. The quick-change clamping device for fixing a plurality of gearboxes according to claim 1, wherein the set of rotary pressing heads comprises three rotary pressing heads, and the set of rotary pressing claws comprises three rotary pressing claws.

8. The fixing device capable of quickly clamping multiple gearboxes according to claim 1, wherein the base is provided with a diamond-shaped pin for positioning a support plate, and the support plate is provided with a cylindrical pin for positioning the gearboxes.