Riveting machine for clutch assembly

Abstract

The riveting machine for clutch assembling comprises a riveting machine body, a workpiece containing table is correspondingly arranged at the top end of a working table plate on the lower portion of the riveting machine body, and center holes allowing a movable column sleeve to penetrate in a sliding mode are correspondingly formed in the middle of the workpiece containing table and the middle of the working table plate. The movable column sleeve vertically slides and penetrates through the workpiece placing table and the working table plate, and the movable column sleeve synchronously ascends and descends along with a riveting punch of the riveting machine main body; a to-be-riveted workpiece is correspondingly placed at the top of the workpiece placing table, and the to-be-riveted workpiece is correspondingly arranged on the outer side of the movable column sleeve in a sleeving mode; a pressing and ejecting assembly is correspondingly arranged in the movable column sleeve, and when the movable column sleeve moves downwards along with the riveting punch, the workpiece to be riveted can be pressed and fixed. According to the automatic riveting device, a workpiece can be automatically pressed, the workpiece is ejected out after riveting is completed, discharging is convenient, workers do not need to manually press the workpiece in the process, the riveting machining efficiency is effectively improved, the safety risk is reduced, and the automatic riveting device is quite flexible and convenient to use integrally and high in practicability.

Description

Technical Field

[0001] The invention relates to the technical field of riveting, in particular to a riveting machine for clutch assembly. Background Art

[0002] The clutch is located in the flywheel housing between the engine and the gearbox. The clutch assembly is fixed to the rear plane of the flywheel with screws. The clutch output shaft is the gearbox input shaft. During the driving process of the car, the driver can step on or release the clutch pedal as needed to temporarily separate and gradually engage the engine and gearbox to cut off or transfer the power input from the engine to the transmission.

[0003] The clutch is a mechanical transmission device widely used in the automotive field, which mainly includes a driving plate, a driven plate, a pressure plate, a flywheel and other components. During the production and assembly process of the clutch, the driven plate usually needs to be riveted together with the friction plate and the corrugated plate when it is assembled. The traditional riveting method generally uses a riveting machine for the riveting process. However, when riveting, the existing riveting machine requires the staff to adjust and press the workpiece to be riveted to ensure the riveting effect and riveting accuracy. Such manual operation not only makes the riveting process time longer and the efficiency lower, but also the labor length of the staff is longer. Mistakes are prone to occur after working for a long time, and there are greater safety risks. Therefore, it is necessary to propose an improvement measure to solve the above technical problems. Summary of the invention

[0004] The present invention provides a riveting machine for clutch assembly, which is used to solve the technical problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a riveting machine for clutch assembly, comprising a riveting machine body, a workpiece placing table is correspondingly provided at the top of the working table plate at the lower part of the riveting machine body, a center hole for a movable column sleeve to slide through is correspondingly provided at the middle of the workpiece placing table and the working table plate, the movable column sleeve vertically slides through the workpiece placing table and the working table plate, and the movable column sleeve rises and falls synchronously with the riveting punch of the riveting machine body; a workpiece to be riveted is correspondingly placed on the top of the workpiece placing table, and the workpiece to be riveted is correspondingly sleeved on the outside of the movable column sleeve; a pressing and ejecting assembly is correspondingly provided in the movable column sleeve, and when the movable column sleeve moves downward with the riveting punch, the workpiece to be riveted can be pressed and fixed; when the movable column sleeve moves upward with the riveting punch, the workpiece to be riveted can be released and ejected upward.

[0006] Preferably, the clamping and ejecting assembly includes an adjusting column, the adjusting column includes an inverted conical column at an upper portion, a connecting column in the middle portion and a conical column at a lower portion, the movable column sleeve is a hollow structure, and the adjusting column is correspondingly installed in the upper portion of the movable column sleeve; a plurality of vertical strip notches are correspondingly arranged around the upper portion of the movable column sleeve, and an L-shaped connecting block is correspondingly arranged in the strip notch, the bottom of the connecting block is correspondingly installed and connected to the upper hole wall of the center hole of the workpiece placing table, and a pressing block capable of radial elastic sliding and retracting is correspondingly installed on the top of the connecting block, the pressing block is correspondingly located at the top of the workpiece to be riveted, and the inner end surface of the pressing block is in contact with the inverted conical column; when the movable column sleeve moves downward, the inverted conical column moves downward so that the pressing blocks around it extend outward and are pressed tightly at the top edge of the workpiece to be riveted; when the movable column sleeve moves upward, the pressing block will elastically retract into the movable column sleeve to release the pressing and fixing of the workpiece to be riveted.

[0007] Preferably, a slide groove is correspondingly provided at the bottom of the pressing block, the top of the connecting block is slidably installed in the slide groove at the bottom of the pressing block, and a first spring is correspondingly installed between the top of the connecting block and the inner groove wall of the slide groove at the bottom of the pressing block, and the elastic sliding reset of the pressing block is realized by the first spring.

[0008] Preferably, a plurality of moving block mounting grooves are correspondingly provided around the hole wall at the lower part of the center hole of the workpiece placing table, and the number and positions of the moving block mounting grooves correspond to the number and positions of the strip notches; a moving block is elastically and slidably mounted in the moving block mounting groove, and the outer end surface of the moving block is fitted with the conical column, and a top block mounting groove is correspondingly provided at the top of the moving block mounting groove, and a top block is vertically slidably mounted in the top block mounting groove, and a groove is provided at the corresponding position of the top of the moving block, and a slope is correspondingly provided on the side of the groove close to the adjusting column, and another slope is provided at the bottom of the top block that fits with the slope in the groove; when the movable column sleeve moves upward, the conical column moves upward so that the moving blocks around it move into the moving block mounting groove, so that the top block moves upward and pushes the workpiece upward; when the movable column sleeve moves downward, the moving block will elastically retract outward along the conical column, so that the top block moves downward until it is completely retracted into the top block mounting groove.

[0009] Preferably, a second spring is correspondingly installed between the inner end surface of the moving block and the bottom of the moving block installation groove, and the elastic sliding reset of the moving block is achieved by the second spring.

[0010] Preferably, an L-shaped first connecting rod is installed on one side of the bottom of the riveting punch, an L-shaped second connecting rod is installed on the bottom of the first connecting rod, an external thread section is provided on the lower part of the movable column sleeve after passing through the worktable, a ring is provided on the bottom of the second connecting rod, the ring is slidably sleeved on the outside of the external thread section, a nut is installed on the bottom of the ring, the nut is rotatably connected to the ring, the nut is threadedly installed on the external thread section, and the position of the movable column sleeve can be adjusted by rotating the nut.

[0011] Preferably, a movable groove is correspondingly opened on the inner side of the bottom of the first connecting rod, the upper part of the second connecting rod is correspondingly slidably installed in the movable groove, and a third spring is correspondingly installed between the upper part of the second connecting rod and the bottom of the movable groove of the first connecting rod.

[0012] Preferably, the bottom of the connecting block is correspondingly mounted on the end of the telescopic element, and the telescopic element is correspondingly embedded in the upper hole wall of the center hole of the workpiece placement table, and the top height of the connecting block is controlled by the telescopic element.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The invention provides a workpiece placing platform at the top of the worktable plate, and a movable column sleeve which can be lifted and lowered synchronously with the riveting punch is correspondingly provided in the middle of the workpiece placing platform. The structure of the workpiece placing platform and the internal structure of the movable column sleeve are optimized and designed. During operation, when riveting and punching are performed, the movable column sleeve moves downward synchronously with the riveting punch, so that the pressure blocks on all sides can be extended outward and pressed tightly on the top edge of the workpiece to be riveted. After the riveting is completed, the movable column sleeve moves upward synchronously with the riveting punch, and the pressure blocks will elastically retract into the movable column sleeve to release the pressing and fixing of the workpiece to be riveted. At the same time, the movable column sleeve continues to move upward with the riveting punch, and the top block on the inner side of the top of the workpiece placing platform will move upward, and the riveted workpiece will be pushed out upward, so that the workpiece is convenient to remove. The overall design is ingenious, and the workpiece can be automatically pressed, and the workpiece can be pushed out after the riveting is completed for convenient unloading. The process does not require the staff to manually press the workpiece, which effectively improves the riveting processing efficiency and reduces the safety risk. The overall use is very flexible and convenient, and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the appearance structure of the riveting machine of the present invention; Figure 2 It is a cross-sectional structural schematic diagram of the coordinated installation of various components on the workbench of the present invention; Figure 3 It is an enlarged cross-sectional schematic diagram of the coordinated installation of the adjustment column of the present invention; Figure 4 It is an enlarged cross-sectional schematic diagram of the coordinated installation of the top block in the workpiece placement table of the present invention.

[0015] In the figure: 1. riveting machine body; 101. base; 102. lifting assembly; 103. work table; 2. first connecting rod; 3. second connecting rod; 301. collar; 4. riveting pressure plate; 5. workpiece placement table; 501. moving block mounting groove; 502. top block mounting groove; 6. nut; 7. movable column sleeve; 701. strip notch; 702. external thread section; 8. adjusting column; 801. inverted conical column; 802. conical column; 9. pressure block; 10. connecting block; 11. first spring; 12. moving block; 1201. groove; 1202. inclined surface; 13. top block; 14. second spring. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "two ends", "both sides" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0018] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0019] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Reference is now made to the accompanying drawings, wherein the purpose of each illustration is only to show certain exemplary embodiments and is not intended to limit the present invention. In each of the drawings, the same reference numerals represent the same or corresponding parts. The dimensions and proportions in each of the drawings are also only for illustration and should not be interpreted as limiting the present invention, and these dimensions may be exaggerated relative to the actual product. Example

[0021] See also Figure 1-4 A riveting machine for clutch assembly in this embodiment includes a riveting machine body 1, a base 101 is provided at the bottom of the riveting machine body 1, a workbench 103 is provided at the lower part of the riveting machine body 1, and a riveting punch 102 is provided at the upper part of the riveting machine body 1. It is worth noting that the riveting machine body 1 described in this embodiment can directly adopt the existing riveting machine equipment, and its specific structure is very mature in the prior art, and will not be elaborated here. A workpiece placement table 5 is provided at the top of the workbench 103 at the lower part of the riveting machine body 1, and a center hole for a movable column sleeve 7 to slide through is provided at the middle of the workpiece placement table 5 and the workbench 103. The movable column sleeve 7 slides vertically through the workpiece placement table 5 and the workbench 103, and the movable column sleeve 7 rises and falls synchronously with the riveting punch 102. A workpiece to be riveted is placed on the top of the workpiece placement table 5, and the workpiece to be riveted is correspondingly sleeved on the outside of the movable column sleeve 7. A pressing and ejecting assembly is correspondingly provided in the movable column sleeve 7. When the movable column sleeve 7 moves downward with the riveting punch 102, the workpiece to be riveted can be pressed and fixed; when the movable column sleeve 7 moves upward with the riveting punch 102, the workpiece to be riveted can be released and ejected upward.

[0022] Specifically, the clamping and ejecting assembly includes an adjusting column 8, which includes an inverted conical column 801 at the top, a connecting column at the middle, and a conical column 802 at the bottom; the movable column sleeve 7 is a hollow structure, and the adjusting column 8 is correspondingly installed in the upper part of the movable column sleeve 7. A plurality of vertical strip notches 701 are correspondingly arranged around the upper part of the movable column sleeve 7, and the plurality of strip notches 701 are evenly spaced in a ring. An L-shaped connecting block 10 is correspondingly arranged in the strip notches 701, and the bottom of the connecting block 10 is correspondingly installed and connected to the upper hole wall of the center hole of the workpiece placement table 5, and a pressing block 9 capable of radial elastic sliding and retracting is correspondingly installed on the top of the connecting block, and the pressing block 9 is correspondingly located at the top of the workpiece to be riveted. A sliding groove is correspondingly arranged at the bottom of the pressing block 9, and the top of the connecting block 10 is correspondingly slidably installed in the sliding groove at the bottom of the pressing block 9, and a first spring 11 is correspondingly installed between the top of the connecting block 10 and the inner groove wall of the sliding groove at the bottom of the pressing block 9, and the elastic sliding reset of the pressing block 9 is realized by the first spring 11. The inner end surface of the pressing block 9 is in contact with the inverted conical column 801. When the movable column sleeve 7 moves downward, the inverted conical column 801 moves downward so that the pressing blocks 9 on all sides extend outward and are pressed against the top edge of the workpiece to be riveted; when the movable column sleeve 7 moves upward, the pressing block 9 will elastically retract into the movable column sleeve 7, releasing the pressing and fixing of the workpiece to be riveted.

[0023] A plurality of moving block mounting grooves 501 are correspondingly arranged around the lower hole wall of the center hole of the workpiece placement table 5, and the number and position of the moving block mounting grooves 501 correspond to the number and position of the strip notches 701. A moving block 12 is elastically slidably installed in the moving block mounting groove 501; a second spring 14 is correspondingly installed between the inner end face of the moving block 12 and the bottom of the moving block mounting groove 501, and the elastic sliding reset of the moving block 12 is achieved by the second spring 14. The outer end face of the moving block 12 is fitted with the conical column 802. A top block mounting groove 502 is correspondingly provided at the top of the moving block mounting groove 501, and a top block 13 is vertically slidably installed in the top block mounting groove 502. A groove 1201 is provided at a corresponding position on the top of the moving block 12, and a slope 1202 is correspondingly provided on the side of the groove 1201 close to the adjustment column 8, and another slope is provided at the bottom of the top block 13 to fit with the slope 1202 in the groove 1201. When the movable column sleeve 7 moves upward, the conical column 802 moves upward so that the surrounding movable blocks 12 move into the movable block mounting groove 501, so that the top block 13 moves upward to push the workpiece upward; when the movable column sleeve 7 moves downward, the movable block 12 will elastically retract outward along the conical column 802, so that the top block 13 moves downward until it is completely retracted into the top block mounting groove 502.

[0024] An L-shaped first connecting rod 2 is correspondingly installed on one side of the bottom of the riveting punch 102, and an L-shaped second connecting rod 3 is correspondingly installed on the bottom of the first connecting rod 2. The lower part of the movable column sleeve 7 passes through the workbench 103 and is correspondingly provided with an external thread section 702. The bottom of the second connecting rod 3 is correspondingly provided with a collar 301, and the collar 301 is correspondingly slidably sleeved on the outside of the external thread section 702. A nut 6 is correspondingly installed at the bottom of the collar 301, and the nut 6 is rotatably connected to the collar 301, and the nut 6 is correspondingly threadedly installed on the external thread section 702. During operation, the lifting and lowering of the riveting punch 102 will drive the movable column sleeve 7 to rise and fall synchronously, and the rotating nut 6 can also adjust the position of the movable column sleeve 7, so that it is more flexible and convenient to use. A movable groove is correspondingly opened on the inner side of the bottom of the first connecting rod 2, and the upper part of the second connecting rod 3 is correspondingly slidably installed in the movable groove, and a third spring is correspondingly installed between the upper part of the second connecting rod 3 and the bottom of the movable groove of the first connecting rod 2, so that the riveting punch 102 can elastically press the workpiece to be riveted when it descends, and the rotating nut 6 can also adjust its spring pressing force.

[0025] The bottom of the connecting block 10 is installed correspondingly to the end of the telescopic element, and the telescopic element is embedded in the upper hole wall of the center hole of the workpiece placement table 5, and the top height of the connecting block 10 is controlled by the telescopic element. The telescopic element can directly select existing telescopic equipment such as existing small cylinders, hydraulic cylinders, electric push cylinders, etc., so as to adjust the top height of the connecting block 10 to meet the riveting requirements of workpieces of different thicknesses to be riveted. It is worth mentioning that the telescopic element can be electrically connected to the control system of the riveting machine body 1 to realize automatic control. In this embodiment, Figure 2 As shown, the workpiece to be riveted includes a friction plate and a corrugated plate, the corrugated plate is correspondingly located above the friction plate, the friction plate and the corrugated plate are correspondingly sleeved on the outside of the movable column sleeve 7 and placed on the top of the workpiece placement table 5, and the pressure block 9 is correspondingly located on the top of the workpiece to be riveted, that is, the pressure block 9 is correspondingly located on the top of the corrugated plate to achieve clamping. A riveting pressure plate 4 is correspondingly installed on the riveting punch 102 on the upper part of the riveting machine body 1, and the riveting pressure plate 4 can directly adopt the existing pressure plate for riveting friction plates and corrugated plates. Since the riveting pressure plate 4 adopts existing components and its specific structure is not the improvement of this application, it will not be elaborated here.

[0026] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A riveting machine for clutch assembly, characterized in that: The invention comprises a riveting machine body (1), wherein a workpiece placement table (5) is correspondingly provided at the top of a worktable (103) at the bottom of the riveting machine body (1), and a central hole for a movable column sleeve (7) to slide through is correspondingly provided in the middle of the workpiece placement table (5) and the worktable (103), and the movable column sleeve (7) vertically slides through the workpiece placement table (5) and the worktable (103), and the movable column sleeve (7) rises and falls synchronously with a riveting punch (102) of the riveting machine body (1); a workpiece to be riveted is correspondingly placed at the top of the workpiece placement table (5), and the workpiece to be riveted is correspondingly sleeved on the outside of the movable column sleeve (7); a pressing and ejecting assembly is correspondingly provided in the movable column sleeve (7), and when the movable column sleeve (7) moves downward with the riveting punch (102), the workpiece to be riveted can be pressed and fixed; when the movable column sleeve (7) moves upward with the riveting punch (102), the workpiece to be riveted can be released and ejected upward.

2. A riveting machine for clutch assembly according to claim 1, characterized in that: The pressing and ejecting assembly comprises an adjusting column (8), the adjusting column (8) comprising an upper inverted conical column (801), a middle connecting column and a lower conical column (802); the movable column sleeve (7) is a hollow structure, the adjusting column (8) is correspondingly mounted on the upper inner portion of the movable column sleeve (7); a plurality of vertical strip-shaped slots (701) are correspondingly arranged around the upper portion of the movable column sleeve (7); an L-shaped connecting block (10) is correspondingly arranged in the strip-shaped slots (701); the bottom of the connecting block (10) is correspondingly mounted and connected to the middle of the workpiece placement table (5); A pressure block (9) capable of radial elastic sliding and expansion is correspondingly installed on the top of the connection block on the upper hole wall of the core hole. The pressure block (9) is correspondingly located on the top of the workpiece to be riveted, and the inner end surface of the pressure block (9) is in contact with the inverted cone column (801); when the movable column sleeve (7) moves downward, the inverted cone column (801) moves downward so that the pressure blocks (9) on the surrounding sides extend outward and are pressed against the top edge of the workpiece to be riveted; when the movable column sleeve (7) moves upward, the pressure block (9) will elastically retract into the movable column sleeve (7), releasing the pressing and fixing of the workpiece to be riveted.

3. A riveting machine for clutch assembly according to claim 2, characterized in that: A sliding groove is correspondingly provided at the bottom of the pressing block (9), and the top of the connecting block (10) is slidably installed in the sliding groove at the bottom of the pressing block (9), and a first spring (11) is correspondingly installed between the top of the connecting block (10) and the inner groove wall of the sliding groove at the bottom of the pressing block (9), so that the elastic sliding reset of the pressing block (9) is achieved by the first spring (11).

4. A riveting machine for clutch assembly according to claim 2, characterized in that: A plurality of movable block mounting grooves (501) are correspondingly arranged around the lower hole wall of the center hole of the workpiece placement table (5), and the number and position of the movable block mounting grooves (501) correspond to the number and position of the strip-shaped notches (701); a movable block (12) is elastically slidably mounted in the movable block mounting groove (501), and the outer end surface of the movable block (12) is in contact with the conical column (802); a top block mounting groove (502) is correspondingly provided at the top of the movable block mounting groove (501), and a top block (13) is vertically slidably mounted in the top block mounting groove (502); a groove (120) is provided at a corresponding position on the top of the movable block (12). 1), a side of the groove (1201) close to the adjustment column (8) is provided with a corresponding inclined surface (1202), and the bottom of the top block (13) is provided with another inclined surface that fits with the inner inclined surface (1202) of the groove (1201); when the movable column sleeve (7) moves upward, the conical column (802) moves upward so that the surrounding movable blocks (12) move into the movable block installation groove (501), so that the top block (13) moves upward to push the workpiece upward; when the movable column sleeve (7) moves downward, the movable block (12) elastically retracts outward along the conical column (802), so that the top block (13) moves downward until it is completely retracted into the top block installation groove (502).

5. A riveting machine for clutch assembly according to claim 4, characterized in that: A second spring (14) is correspondingly installed between the inner end surface of the moving block (12) and the bottom of the moving block installation groove (501), and elastic sliding reset of the moving block (12) is achieved by the second spring (14).

6. A riveting machine for clutch assembly according to claim 1, characterized in that: An L-shaped first connecting rod (2) is correspondingly installed on one side of the bottom of the riveting punch (102), and an L-shaped second connecting rod (3) is correspondingly installed on the bottom of the first connecting rod (2). After the lower part of the movable column sleeve (7) passes through the workbench (103), an external thread section (702) is correspondingly provided. A collar (301) is correspondingly provided on the bottom of the second connecting rod (3). The collar (301) is correspondingly slidably sleeved on the outside of the external thread section (702). A nut (6) is correspondingly installed on the bottom of the collar (301). The nut (6) is rotatably connected to the collar (301). The nut (6) is correspondingly threadedly installed on the external thread section (702). The position of the movable column sleeve (7) can be adjusted by rotating the nut (6).

7. A riveting machine for clutch assembly according to claim 6, characterized in that: A movable groove is correspondingly provided on the inner side of the bottom of the first connecting rod (2), the upper part of the second connecting rod (3) is correspondingly slidably mounted in the movable groove, and a third spring is correspondingly mounted between the upper part of the second connecting rod (3) and the bottom of the movable groove of the first connecting rod (2).

8. A riveting machine for clutch assembly according to claim 2, characterized in that: The bottom of the connection block (10) is mounted correspondingly to the end of the telescopic element, and the telescopic element is embedded in the upper hole wall of the center hole of the workpiece placement table (5), and the height of the top of the connection block (10) is controlled by the telescopic element.

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