CN214720716U

CN214720716U - Clutch friction plate rivet hole perforating device

Info

Publication number: CN214720716U
Application number: CN202022875217.0U
Authority: CN
Inventors: 雷海瑞; 胡晓洪
Original assignee: Friction Material Kunshan Co ltd
Current assignee: Friction Material Kunshan Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-11-16
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a punching device for rivet holes of clutch friction plates, which comprises a positioning mechanism, an indexing mechanism and a drilling mechanism, wherein the positioning mechanism comprises a positioning pin and a lower template, the friction plates are placed on the lower template, and the friction plates are fixed on the lower template by positioning slightly; the indexing adjusting mechanism comprises an indexing motor and an angle divider, the indexing motor controls the angle divider to rotate, and the angle divider is arranged below the positioning mechanism and drives the positioning mechanism to rotate; the drilling mechanism comprises a drill bit and a drilling motor, the drill bit is vertical to the lower template, and the drilling motor controls the drilling depth and speed of the drill bit; the indexing motor and the drilling motor are both servo motors. The utility model reduces the deviation of the punching position by positioning the friction plate slightly; through servo motor control drilling and corner, improve the precision of hole depth and hole interval, avoid manual operation, improve punching precision and production efficiency, reduce intensity of labour and manufacturing cost, be suitable for small batch production.

Description

Clutch friction plate rivet hole perforating device

Technical Field

The utility model relates to a clutch friction disc production technical field, concretely relates to clutch friction disc rivet hole perforating device.

Background

The rivet hole on the clutch friction plate is an important technical hole for assembling the clutch driven plate, the accuracy of the depth of the rivet hole directly influences the service life and the riveting strength of the friction plate, the accuracy of the position of the rivet hole directly determines whether the friction plate can be riveted, and the friction plate can be directly scrapped if the friction plate cannot be riveted, so that the cost is increased. With the rapid development of the automobile industry in China, the automobile part industry is continuously promoted, and the requirement on quality is higher and higher; the product types in the after-sale market are many, the batch quantity is small, in order to flexibly meet the requirements of customers, the production mode needs to be continuously updated, and the requirements of various small-batch production are met. The production of friction disc mostly uses the one shot forming porous drill, but the equipment cost of one shot forming porous drill is very high, is not suitable for the production of small batch. The existing method for punching the rivet holes in the friction plates in small batches mainly adopts a drilling die or a multi-hole drilling forming through hole to drill the rivet holes one by one after the through hole is formed. However, the precision of manual operation is not high, which easily causes the hole position deviation and the hole depth not reaching the requirement; meanwhile, the labor intensity of manual operation is high, the efficiency is low, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a replace manual operation with the machine and beat the rivet hole, improve the clutch friction disc rivet hole perforating device of the precision of rivet hole simultaneously.

In order to solve the technical problem, the utility model provides a punching device for a rivet hole of a clutch friction plate, which comprises a positioning mechanism, an indexing adjustment mechanism and a drilling mechanism,

the positioning mechanism comprises a positioning pin and a lower template, the friction plate is placed on the lower template, and the positioning pin is inserted into a through hole in the friction plate to fix the friction plate on the lower template;

the indexing adjusting mechanism comprises an indexing motor and an angle divider, the indexing motor is connected with the angle divider and controls the angle divider to rotate, and the angle divider is arranged below the positioning mechanism and drives the positioning mechanism to rotate;

the drilling mechanism comprises a drill bit and a drilling motor, the drill bit is perpendicular to the lower template and is connected with the drilling motor, and the drilling motor controls the drilling depth and speed of the drill bit;

the indexing motor and the drilling motor are servo motors.

Furthermore, the positioning mechanism also comprises a clamping cylinder, a cylinder barrel of the clamping cylinder is vertically fixed at the center of the lower template and is positioned at the center of a central hole of the friction plate, and the positioning pin is connected to a piston of the clamping cylinder in a rotating manner.

Further, the positioning mechanism comprises two positioning pins, and the positioning pins are conical pins.

Further, the drilling mechanism still includes ball screw, the drill bit passes through ball screw with the drilling motor is connected.

The friction plate conveying device comprises a base frame, and is characterized by further comprising a feeding mechanism, wherein the feeding mechanism comprises a feeding cylinder and a first slide rail, the first slide rail is arranged above the base frame in parallel, the feeding cylinder is fixed on a slide block of the first slide rail and moves on the first slide rail, a grabbing assembly is arranged on a piston of the feeding cylinder, the moving direction of the grabbing assembly is perpendicular to the base frame, and the grabbing assembly is used for conveying the friction plate on the base frame to the lower template.

Furthermore, the grabbing assembly comprises a tensioner, an extension rod and a bolt, the tensioner is fixed at the tail end of a piston of the feeding cylinder, the extension rod is arranged at two ends of the tensioner, and the bolt is arranged on one side, close to the base frame, of the extension rod.

Furthermore, the feeding mechanism further comprises a lifting machine, a material stacking plate and a positioning rod are arranged on the lifting machine, and the material stacking plate is arranged on the positioning rod in a penetrating mode under the action of the lifting machine.

The lower template is arranged on a piston of the ejection cylinder, the discharge hook is fixed on the piston of the discharge cylinder, and the piston motion direction of the ejection cylinder is perpendicular to the piston motion direction of the discharge cylinder.

Further, still include the second slide rail, drilling mechanism fixes on the slider of second slide rail.

And the control panel is respectively connected with the positioning mechanism, the indexing adjusting mechanism and the drilling mechanism and controls the positioning mechanism, the indexing adjusting mechanism and the drilling mechanism to work.

The utility model has the advantages that: the punching device for the rivet hole of the clutch friction plate has the advantages that the structure is simple, the equipment cost is low, and the deviation of the punching position is reduced by slightly positioning the friction plate; the drilling and the turning angles are controlled through the servo motor, so that the precision of the hole depth and the hole distance is improved, and the consistency of product through holes is ensured. The punching machine is convenient and fast, avoids manual operation, improves punching precision and production efficiency, reduces labor intensity and production cost, and is suitable for small-batch production.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial enlarged view of portion a of fig. 1.

Fig. 3 is a front view of the present invention.

Fig. 4 is a schematic structural diagram of the feeding mechanism of the present invention.

The reference numbers in the figures illustrate: 1. the device comprises a positioning mechanism, 11, a positioning pin, 12, a lower template, 13, a clamping cylinder, 14, a rotating shaft, 2, an indexing adjusting mechanism, 21, an indexing motor, 22, an angle divider, 3, a drilling mechanism, 31, a drill bit, 32, a drilling motor, 33, a ball screw, 4, a friction plate, 41, a through hole, 42, a central hole, 5, a feeding mechanism, 51, a feeding cylinder, 52, a first sliding rail, 50, a grabbing assembly, 53, a tensioner, 54, an extension rod, 55, a bolt, 56, a lifter, 57, a stacking disc, 58, a positioning rod, 6, a base frame, 7, a discharging mechanism, 71, an ejection cylinder, 72, a discharging cylinder, 73, a discharging hook, 8, a second sliding rail, 9 and a control panel.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "second" or "first" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features, or indirectly contacting the first and second features through intervening media. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements does not include a limitation to the listed steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1-4, the embodiment of the punching device for the rivet hole of the clutch friction plate of the present invention includes a positioning mechanism 1, an indexing mechanism 2 and a drilling mechanism 3, wherein the positioning mechanism 1 includes a positioning pin 11 and a lower template 12, the friction plate 4 is placed on the lower template 12, and the positioning pin 11 is inserted into a through hole 41 of the friction plate 4 to fix the friction plate 4 on the lower template 12; the friction plate 4 is fixed by the positioning pin 11 and the existing through hole 41 on the friction plate 4, so that the friction plate 4 is effectively prevented from shifting in the drilling process, and the deviation of the punching position of the rivet hole of the product can be controlled within 0.1 mm. The indexing adjustment mechanism 2 comprises an indexing motor 21 and an angle divider 22, the indexing motor 21 is connected with the angle divider 22 and controls the angle divider 22 to rotate, the angle divider 22 is arranged below the positioning mechanism 1 and drives the positioning mechanism 1 to rotate, the positioning mechanism 1 drives the friction plates 4 to rotate together, and accurate control of the rotation angle of the friction plates 4 is achieved. The drilling mechanism 3 comprises a drill bit 31 and a drilling motor 32, the drill bit 31 is perpendicular to the lower template 12, the drill bit 31 is connected with the drilling motor 32, and the drilling motor 32 controls the drilling depth and speed of the drill bit 31; the drill 31 is a single-shaft head, and a single-shaft head continuous servo indexing mode is adopted to avoid hole leakage. After the drilling mechanism 3 completes drilling of one rivet hole, the angle divider 22 rotates a certain angle to drill the next rivet hole, and the angle and the number of times of rotation are determined according to the distribution of the holes. The indexing motor 21 and the drilling motor 32 are both servo motors. The servo motor has high precision, and can accurately control the rotating angle of the angle divider 22 and the drilling depth and speed of the drill bit 31.

In this embodiment, the positioning mechanism 1 further includes a clamping cylinder 13, a cylinder barrel of the clamping cylinder 13 is vertically fixed at the center of the lower mold plate 12 and located at the center of a central hole of the friction plate 4, and the positioning pin 11 is rotatably connected to a piston of the clamping cylinder 13. The piston of the clamping cylinder 13 moves in a direction perpendicular to the surface of the friction plate 4, and the piston of the clamping cylinder 13 is pressed downwards to insert the positioning pin 11 into the through hole 41 of the friction plate 4, so that the friction plate 4 is fixed on the lower template 12. The positioning pin 11 is connected to the piston end of the clamping cylinder 13 through a rotating shaft 14, and the rotating shaft 14 is controlled to rotate through external power. When the friction plate 4 is fed, rotated and discharged, the positioning pin 11 is turned into a central hole of the friction plate under the action of the rotating shaft 14, so that the friction plate can move conveniently; when the friction plate 4 is punched, the positioning pin 11 is turned outside the central hole of the friction plate under the action of the rotating shaft 14, and then the positioning pin is pressed downwards to align with the through hole 41 to fix the friction plate.

In this embodiment, the positioning mechanism 1 includes two positioning pins 11, and the positioning pins 11 are tapered pins. The two positioning pins 11 are simultaneously inserted into the two through holes 41 on the friction plate 4, so that the friction plate 4 can be stably fixed; the positioning pin 11 is a conical pin, and different diameters on the conical inclined plane are attached to through holes with different sizes on the friction plate, so that the friction plate is prevented from displacing.

In this embodiment, the drilling mechanism 3 further includes a ball screw 33, and the drill 31 is connected to the drilling motor 32 through the ball screw 33. The drilling motor 32 controls the drill 31 to work through the ball screw 33, and the accuracy of the drilling depth of the drill 31 is further improved.

In this embodiment, the friction plate. After the friction plate 4 is conveyed to the lower template 12 by the feeding mechanism 5, the clamping cylinder 13 inserts the positioning pin 11 into the through hole 41 on the friction plate 4 to fix the friction plate 4.

In this embodiment, the grabbing assembly 50 includes a tensioner 53, an extension rod 54 and a bolt 55, the tensioner 53 is fixed at the end of the piston of the feeding cylinder 51, the extension rod 54 is disposed at two ends of the tensioner 53, and the bolt 55 is disposed at one side of the extension rod 54 close to the base frame. The feeding mechanism 5 further comprises a lifting machine 56, a material stacking plate 57 and a positioning rod 58 are arranged on the lifting machine 56, and the material stacking plate 57 is arranged on the positioning rod 58 in a penetrating mode under the action of the lifting machine 56. The friction plate 4 is limited and stacked on the stacking plate 57 by inserting the positioning rod 58 into the through hole 41 on the friction plate 4, and the friction plate 4 is lifted to a high position by the lifter 56, so that the friction plate 4 can be conveniently taken out by the feeding cylinder 51. In this embodiment, the elevator 56 is a step elevator, the step elevator has high precision, and the lifting height of the step elevator can be accurately determined according to the thickness of the friction plate 4. The stacking disc 57 is also provided with a pressure sensor, and when all the friction plates 4 on the stacking disc 57 are fed, the pressure sensor gives out a warning to prompt an operator to stack the friction plates 4 again. The bolt 55 is inserted into the through hole 41 of the friction plate 4, the tensioner 53 props open the extension rod 54 towards two sides in the direction parallel to the surface of the base frame 6, the extension rod 54 drives the bolt 55 to prop open towards two sides, and the friction plate 4 is propped open and tensioned; then the piston of the feeding cylinder 51 retracts, the friction plate 4 is lifted to be away from the positioning rod 58, and the feeding cylinder 51 moves on the first slide rail 52 to feed the friction plate 4 to the upper part of the lower template 12; then the tension device 53 retracts the extension rod 54 inwards from two sides in the direction parallel to the surface of the base frame 6, and the friction plate 4 on the bolt 55 falls onto the lower template 12, so that the friction plate 4 is fed.

In this embodiment, the device further comprises a discharging mechanism 7, wherein the discharging mechanism 7 comprises an ejection cylinder 71, a discharging cylinder 72 and a discharging hook 73, the lower template 12 is arranged on a piston of the ejection cylinder 71, the discharging hook 73 is fixed on the piston of the discharging cylinder 72, and the moving direction of the piston of the ejection cylinder 71 is perpendicular to the moving direction of the piston of the discharging cylinder 72. After the drill 31 finishes drilling, the positioning pin 11 moves out of the through hole 41 of the friction plate 4, the discharging hook 73 moves above the central hole 42 of the friction plate 4 under the action of the discharging cylinder 72, the ejecting cylinder 71 ejects the friction plate 4 until the discharging hook 73 hooks the central hole 42, then the piston of the discharging cylinder 72 retracts, the friction plate 4 which finishes drilling a rivet hole moves out of the lower template 12, and discharging is finished.

In this embodiment, the drilling machine further includes a second slide rail 8, the second slide rail 8 is disposed on the base frame 6 and located on one side of the positioning mechanism 1, and the drilling mechanism 3 is fixed on a slide block of the second slide rail 8. The drilling mechanism 3 is moved away from the upper side of the positioning mechanism 1 by moving on the second slide rail 8, so that feeding and discharging are facilitated.

In this embodiment, the drilling machine further comprises a control panel 9, wherein the control panel 9 is respectively connected with the positioning mechanism 1, the indexing mechanism 2 and the drilling mechanism 3 and controls the positioning mechanism 1, the indexing mechanism 2 and the drilling mechanism 3 to work. In this embodiment, the control panel 9 is a touch screen, and the touch screen is connected with the feeding mechanism 5, the positioning mechanism 1, the drilling mechanism 3, the indexing mechanism 2 and the discharging mechanism 7 and controls the work of each mechanism. The assembly line operation is carried out through the control panel 9, so that the workload can be reduced, the labor cost can be reduced, and the automation degree can be improved.

The working flow of the punching device for the rivet hole of the clutch friction plate in the embodiment is as follows: manually stacking the friction plates 4 on the stacking tray 57, and positioning the stacked friction plates 4 by the positioning rods 58 to prevent the stacked friction plates 4 from sliding off; the friction plate 4 is lifted to a high position by the lifter 56, the bolt 55 is inserted into the through hole 41 of the friction plate 4 under the action of the feeding cylinder 51, the tension device 53 tensions the friction plate 4 through the extension rod 54, then the feeding cylinder 51 retracts upwards, the feeding cylinder 51 moves on the first slide rail 52 to convey the friction plate 4 to the upper part of the lower template 12, and the tension device 53 retracts the friction plate 4 and drops on the lower template 12 to finish feeding; then, the clamping cylinder 13 is pressed down to insert the positioning pin 11 into the through hole 41 of the friction plate 4, so as to realize fixation; then, the drilling motor 32 controls the drill 31 to drill the positions, needing rivet holes, of the friction plates 4 through the ball screw 33, after one hole is drilled, the drill 31 retracts, the angle divider 22 rotates the friction plates 4 to the next position needing drilling under the action of the indexing motor 21 to continue drilling until all the positions needing drilling are drilled, and the drilling mechanism 3 moves on the second slide rail 8 to be far away from the friction plates 4; then, the clamping cylinder 13 pulls the positioning pin 11 out of the friction plate 4, the discharging cylinder 72 moves the discharging hook 73 to the position above the friction plate 4 to align the central hole 42, the ejecting cylinder 72 ejects the friction plate 4 to be high, the discharging hook 73 hooks the central hole 42, then the piston of the discharging cylinder 72 is retracted, the friction plate with the rivet hole is moved out of the lower template 12, and discharging is completed; finally, the product is taken out manually.

In the embodiment, all the mechanisms are lubricated without oil, and the feeding mechanism 5, the positioning mechanism 1, the drilling mechanism 3, the indexing mechanism 2 and the discharging mechanism 7 can be controlled by a Programmable Logic Controller (PLC), wherein a drilling program is preset in the PLC. Under the control of a PLC, the feeding mechanism 5 automatically feeds materials, the positioning mechanism 1 automatically clamps the friction plate 4 after the feeding is finished, then the drilling mechanism 3 automatically punches holes, the indexing adjusting mechanism 2 automatically rotates the friction plate after one hole is punched, and the drilling mechanism 3 punches the next hole; after holes in the preset drilling program are drilled, the positioning mechanism 1, the indexing adjusting mechanism 2 and the drilling mechanism 3 stop working and return to the original point, and the friction plate 4 is automatically taken out by the discharging mechanism 7; after one friction plate is punched, the feeding mechanism 5 feeds materials again to punch the next friction plate, so that the labor workload is reduced, and the automation degree is further improved. Meanwhile, the PLC comprises drilling programs of friction plates with different specifications, the specification and the shape of the lower template 12 correspond to the specification and the shape of the friction plates, and when the product specification of the friction plate is changed, drilling of the friction plates with different specifications can be realized only by replacing the corresponding lower template 12 and reselecting the drilling program which is input in advance.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a clutch friction disc rivet hole perforating device which characterized in that: comprises a positioning mechanism, an indexing adjusting mechanism and a drilling mechanism,

the indexing motor and the drilling motor are servo motors.

2. The clutch friction plate rivet hole perforating device of claim 1, characterized in that: the positioning mechanism further comprises a clamping cylinder, a cylinder barrel of the clamping cylinder is vertically fixed in the center of the lower template and located in the center of a center hole of the friction plate, and the positioning cylinder is slightly rotatably connected to a piston of the clamping cylinder.

3. The clutch friction plate rivet hole perforating device of claim 1, characterized in that: the positioning mechanism comprises two positioning pins, and the positioning pins are conical pins.

4. The clutch friction plate rivet hole perforating device of claim 1, characterized in that: the drilling mechanism further comprises a ball screw, and the drill bit is connected with the drilling motor through the ball screw.

5. The clutch friction plate rivet hole perforating device of claim 1, characterized in that: the friction plate grabbing mechanism comprises a base frame and is characterized by further comprising a feeding mechanism, the feeding mechanism comprises a feeding cylinder and a first sliding rail, the first sliding rail is arranged above the base frame in parallel, the feeding cylinder is fixed on a sliding block of the first sliding rail and moves on the first sliding rail, a grabbing assembly is arranged on a piston of the feeding cylinder, the moving direction of the grabbing assembly is perpendicular to the base frame, and the grabbing assembly is used for carrying a friction plate on the base frame onto the lower template.

6. The apparatus of claim 5, wherein: the grabbing assembly comprises a tensioner, an extension rod and a bolt, the tensioner is fixed at the tail end of a piston of the feeding cylinder, the extension rod is arranged at two ends of the tensioner, and the bolt is arranged on one side, close to the base frame, of the extension rod.

7. The apparatus of claim 5, wherein: the feeding mechanism further comprises a lifting machine, a material stacking plate and a positioning rod are arranged on the lifting machine, and the material stacking plate is arranged on the positioning rod in a penetrating mode under the action of the lifting machine.

8. The clutch friction plate rivet hole perforating device of claim 1, characterized in that: the discharging mechanism comprises an ejection cylinder, a discharging cylinder and a discharging hook, the lower template is arranged on a piston of the ejection cylinder, the discharging hook is fixed on the piston of the discharging cylinder, and the piston motion direction of the ejection cylinder is perpendicular to the piston motion direction of the discharging cylinder.

9. The clutch friction plate rivet hole perforating device of claim 1, characterized in that: the drilling mechanism is fixed on a sliding block of the second sliding rail.

10. A clutch friction plate rivet hole perforating device as defined in any one of claims 1 to 9, characterized in that: the drilling machine further comprises a control panel, wherein the control panel is respectively connected with the positioning mechanism, the indexing adjusting mechanism and the drilling mechanism and controls the positioning mechanism, the indexing adjusting mechanism and the drilling mechanism to work.