CN206613941U - A riveting mechanism of an automatic riveting machine - Google Patents

Abstract

The utility model discloses an automatic riveting mechanism of riveting lid machine, which comprises a support, pressure cylinder and riveting module, the upper end at the support is installed to the pressure cylinder, the lower extreme at the support is installed to the riveting module, pressure cylinder is provided with the depression bar that drives riveting module up-and-down motion, the lower extreme of riveting module is provided with briquetting and a plurality of riveting sword in advance, accomplish the alignment adjustment in a duty cycle, three steps of work of pre-compaction and riveting, degree of automation is high, can replace traditional manual work, reduce workman intensity of labour, reduce the emergence of production accident, the quality of effective control product, and the production cost is reduced.

Description

A riveting mechanism of an automatic riveting machine

technical field

The utility model relates to a stepping motor manufacturing machine, in particular to a riveting mechanism of a stepping motor casing riveting cover machine.

Background technique

At present, manual work is still used to install the cover plate on the casing of the stepping motor in the industry. For example, first use pliers to cut the upper edge of the casing to form a fixed part, and then bend and buckle the fixed part by knocking and pressing. Closed on the rear end of the cover; another example is to use manual hand-held casings and electric soldering irons to weld the cover on the casing. Both of these two operations require a lot of manpower. Moreover, the efficiency is low, and the yield rate of the product cannot be effectively controlled. These factors lead to high production costs of the product.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a riveting mechanism of an automatic cap riveting machine which can improve production efficiency and reduce production cost.

The technical scheme that the utility model solves its technical problem adopts is:

A riveting mechanism of an automatic cap riveting machine, comprising a support, a booster cylinder and a riveting module, the booster cylinder is installed on the upper end of the support, and the riveting module is installed on the support The lower end of the pressurized cylinder is provided with a pressure bar that drives the riveting module to move up and down, and the lower end of the riveting module is provided with several riveting knives.

The riveting module is provided with a guide plate, a riveting seat plate and a riveting knife plate sequentially from top to bottom, the guide plate is provided with a pressing bar hole, the pressing bar is fixed in the pressing bar hole, and the riveting A knife is mounted on said rivet plate.

The upper end of the guide plate is provided with a guide shaft, the guide shaft is connected with the support through a linear bearing, the guide plate and the rivet seat plate are connected by a number of guide pressure plates, and the rivet plate is threaded on the Describe the lower end of the rivet seat plate.

A pre-pressing hole is arranged in the rivet plate, and a return spring and a pre-pressing block are sequentially installed in the pre-pressing hole from top to bottom. An adjustment cavity is arranged in the rivet seat plate, and a A screw, the lower end of the adjustment cavity is provided with a through hole communicating with the pre-pressing hole, and the screw is threaded with the pre-pressing block after passing through the through hole and the return spring in turn.

The upper end surface of the rivet seat plate is provided with an adjustment groove, the upper end of the adjustment groove communicates with the pressure bar hole, and the lower end of the adjustment groove communicates with the adjustment cavity.

A slit matching the rivet is provided inside the rivet plate, an outwardly protruding fixing block is provided at the upper end of the rivet, and a fixing cavity matching the fixing block is provided at the upper end of the rivet.

A slot is provided on the side wall of the pre-pressing block, and the rivet is provided with an insertion part matching the slot.

The lower end surface of the insertion part is a curved surface, forming a folding surface, and a cutting part is arranged on the outer side of the folding surface.

The lower end surface of the pre-pressing block is provided with a guide hole.

The lower end surface of the rivet plate is provided with several riveting guide posts.

The beneficial effects of the utility model are: the utility model is provided with a pressurized cylinder and a riveting module, the booster cylinder drives the riveting module to move up and down, and the riveting module is provided with a riveting knife and a pre-pressing block. The three-step work of alignment adjustment, pre-pressing and riveting is completed within the machine, with a high degree of automation, which can replace traditional manual work, reduce labor intensity of workers, reduce production accidents, effectively control product quality, and reduce production costs.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the riveting module;

Fig. 3 is a transverse sectional view of the riveting module;

Fig. 4 is an exploded view of the structure of the riveting module;

Fig. 5 is the structural representation of rivet plate;

Fig. 6 is the structural representation of pre-press block;

Fig. 7 is a schematic structural view of the rivet.

detailed description

Referring to Figures 1 to 7, a riveting mechanism of an automatic cap riveting machine includes a support 1, a booster cylinder 2 and a riveting module 3, the booster cylinder 2 is installed on the upper end of the support 1, The riveting module 3 is installed on the lower end of the support 1, the booster cylinder 2 is provided with a pressure rod 4 that drives the riveting module 3 to move up and down, and the lower end of the riveting module 3 is set There are several riveters 5 . Furthermore, the riveting module 3 is provided with a guide plate 7, a riveting seat plate 8 and a riveting knife plate 9 in order from top to bottom, and the guide plate 7 is provided with a pressing bar hole 10, and the pressing bar 4 The threaded connection is in the pressure rod hole 10, and the rivet 5 is installed on the rivet plate 9. The upper end of the guide plate 7 is provided with a guide shaft 6, and the guide shaft 6 is connected with the support 1 through a linear bearing, and acts as a limit to the riveting module 3. The guide plate 7 and the rivet seat plate 8 are connected by several guide pressure plates, and the rivet plate 9 is threadedly connected to the lower end of the rivet seat plate 8, which has a simple structure and is firmly installed.

The rivet plate 9 is provided with a pre-pressing hole 22, and the pre-pressing hole 22 is sequentially installed with a return spring and a pre-pressing block 11 from top to bottom. Screws 12 are installed in the adjustment cavity 23, and the lower end of the adjustment cavity 23 is provided with a through hole communicating with the pre-pressing hole 22. 11 threaded connection, the lower end surface of the pre-compression block 11 is provided with a guide hole 20, during pre-compression, the guide column of the tooling position in the prior art extends into the guide hole 20, the pre-compression block 11 is in contact with the workpiece, and is squeezed and reset Spring, after the riveting is completed, the back-moving spring resets the pre-pressing block 11.

The upper end surface of the rivet seat plate 8 is provided with an adjustment groove 24, the upper end of the adjustment groove 24 communicates with the pressure rod hole 10, and the lower end of the adjustment groove 24 communicates with the adjustment cavity 23, which is convenient for adjusting the guide plate 7 and the position between the rivet seat plate 8, and adjust the installation position of the pressure rod 4.

The rivet plate 9 is provided with a slit 13 matching with the rivet 5, the upper end of the rivet 5 is provided with a protruding fixing block 14, and the upper end of the slit 13 is provided with a The fixed cavity 15 that block 14 matches, after assembly, because rivet seat plate 8 is fixed on the rivet knife plate 9, plays a fixing role to rivet knife 5. A slot 16 is provided on the side wall of the pre-pressing block 11, and the rivet 5 is provided with an insertion portion 17 matching the slot 16. In this embodiment, four rivets 5 are provided in total. , evenly distributed on the outside of the pre-compression block 11 , during pre-compression, the slot 16 moves upward along the insertion portion 17 , and the insertion portion 17 acts as a limiter for the pre-compression block 11 .

The lower end surface of the insertion part is a curved surface, forming a folding surface 18, and a cutting part 19 is arranged on the outside of the folding surface 18. When riveting, the cutting part 19 clips the upper edge of the casing to form a fixed part; the folding surface 18 bends and fastens the fixing part to the rear end of the cover plate. The lower end surface of the riveter plate 9 is provided with a number of riveting guide posts 21. When riveting, the riveting guide posts 21 extend into the guide post cover 18 of the tooling position to play a positioning role.

The riveting mechanism of the automatic riveting machine completes the three-step work of alignment adjustment, preloading and riveting within one working cycle, with a high degree of automation, which can replace traditional manual work, reduce labor intensity of workers, and reduce production accidents. Effectively control product quality and reduce production costs.

The above embodiments cannot limit the scope of protection of the present invention, and equivalent modifications and changes made by those in the technical field without departing from the overall concept of the present invention still fall within the scope of the present invention.

Claims (10)

1. A riveting mechanism of an automatic riveting machine, characterized in that it includes a support (1), a booster cylinder (2) and a riveting module (3), and the booster cylinder (2) is installed on the The upper end of the support (1), the riveting module (3) is installed on the lower end of the support (1), the booster cylinder (2) is provided with a drive to drive the riveting module (3) The pressing bar (4) moves up and down, and the lower end of the riveting module (3) is provided with several riveting knives (5). 2. The riveting mechanism of the automatic riveting machine according to claim 1, characterized in that the riveting module (3) is sequentially provided with a guide plate (7), a riveting seat plate (8) and The rivet plate (9), the guide plate (7) is provided with a pressure rod hole (10), the pressure rod (4) is fixed in the pressure rod hole (10), and the rivet (5) is installed on the rivet plate (9). 3. The riveting mechanism of the automatic cap riveting machine according to claim 2, characterized in that the upper end of the guide plate (7) is provided with a guide shaft (6), and the guide shaft (6) is connected to the The support (1) is connected, the guide plate (7) and the rivet seat plate (8) are connected by several guide platens, and the rivet plate (9) is threaded on the rivet seat plate (8) lower end. 4. The riveting mechanism of the automatic cap riveting machine according to claim 2, characterized in that the riveter plate (9) is provided with a pre-press hole (22), and the pre-press hole (22) is formed from the upper A return spring and a pre-pressing block (11) are installed sequentially from bottom to bottom. An adjustment chamber (23) is arranged in the rivet seat plate (8), and a screw (12) is installed in the adjustment chamber (23). The lower end of the cavity (23) is provided with a through hole communicating with the preloading hole (22), and the screw (12) passes through the through hole and the return spring in turn and is threadedly connected with the preloading block (11). 5. The riveting mechanism of the automatic cap riveting machine according to claim 4, characterized in that an adjustment groove (24) is provided on the upper surface of the rivet seat plate (8), and the upper end of the adjustment groove (24) is in contact with The pressure rod hole (10) is in communication, and the lower end of the adjustment groove (24) is in communication with the adjustment chamber (23). 6. The riveting mechanism of the automatic cap riveting machine according to claim 2, characterized in that the riveter plate (9) is provided with a knife groove (13) matching the riveter (5), the The upper end of the rivet (5) is provided with a protruding fixing block (14), and the upper end of the knife groove (13) is provided with a fixing cavity (15) matching the fixing block (14). 7. The riveting mechanism of the automatic cap riveting machine according to claim 4, characterized in that a slot (16) is provided on the side wall of the pre-pressing block (11), and the riveter (5) is provided with A socket (17) matching the slot (16). 8. The riveting mechanism of the automatic cap riveting machine according to claim 7, characterized in that the lower end surface of the insertion part is a curved surface, forming a folding surface (18), and the outer side of the folding surface (18) A cutting part (19) is provided. 9. The riveting mechanism of the automatic cap riveting machine according to claim 4, characterized in that a guide hole (20) is provided on the lower end surface of the pre-pressing block (11). 10. The riveting mechanism of the automatic cap riveting machine according to claim 2, characterized in that a plurality of riveting guide posts (21) are arranged on the lower end surface of the riveter plate (9).