CN104827273B - Elastic hook riveting device - Google Patents

Abstract

The invention discloses an elastic hook riveting device, and relates to the field of mechanical automation. The riveting machine comprises a rack (1), a riveting mechanism (2), an elastic hook placing seat (3) and a riveting driving mechanism (4), wherein the riveting mechanism (2), the elastic hook placing seat (3) and the riveting driving mechanism (4) are respectively installed on the rack (1), an elastic hook (5) is arranged in the elastic hook placing seat (3), and the riveting driving mechanism (4) drives the riveting mechanism (2) to rivet and mold the elastic hook (5). The invention can replace manual work to realize automatic production, and has the advantages of safety, reliability, high production efficiency, stable quality, low cost and suitability for popularization and application on the production assembly line of the elastic hook.

Description

An elastic hook riveting device

technical field

The invention relates to the field of mechanical automation, in particular to an elastic hook riveting device.

Background technique

Elastic hooks are very common in life, such as lobster clasps used in key chains and bracelets, and are often used in necklaces and various pendants. The elastic hook is generally made of metal material, and the elastic hook is assembled and riveted by a trigger, a torsion spring, and a hook body. At present, the production and assembly of the elastic hook is manual or semi-automatic production, which has low production efficiency, high labor cost and unstable quality. Now there is an urgent need for a fully automated production equipment to replace labor, save labor costs and improve assembly quality.

In view of this, the present invention is proposed.

Contents of the invention

Aiming at the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a riveting device for elastic hooks that can replace manual labor to realize automatic production, which is safe, reliable, high in production efficiency, stable in quality and low in cost.

In order to solve the above technical problems, the present invention provides an elastic hook riveting device, including a frame, a riveting mechanism, an elastic hook seat, and a riveting drive mechanism. The riveting mechanism, the elastic hook seat, and the riveting drive The mechanisms are respectively installed on the frame, the elastic hooks are arranged in the seating seats of the elastic hooks, and the riveting driving mechanism drives the riveting mechanism to form the elastic hooks by riveting.

A further improvement of the present invention is that the riveting mechanism includes an upper punch, an upper punch mounting plate, a pressing plate, a first push rod, a second push rod, a first spring, a second spring, a lower punch, a swing rod, A swing rod mounting block, the swing rod mounting block is provided with a through groove, the elastic hook seat is provided with a first through hole, the swing rod is placed in the through groove, the middle part of the swing rod is connected to the The swing rod mounting block is rotatably connected, the lower punch is loosely installed in the first through hole and placed loosely at the front end of the swing rod, and the swing rod mounting block is fixedly installed under the elastic hook seat, The upper punch is installed at the front end of the upper punch mounting plate, the first ejector rod passes through the middle of the upper punch mounting plate and is inserted into the middle of the through groove, and the first spring is placed on the upper punch The punch mounting plate and the swing rod mounting block are sleeved on the first ejector rod, and the second ejector rod passes through the rear part of the upper punch mounting plate and is inserted into the rear part of the through groove. The second spring is placed between the upper punch mounting plate and the swing rod mounting block and sleeved on the second push rod, and the pressing plate is mounted on the upper punch mounting plate.

A further improvement of the present invention is that the riveting mechanism further includes a push rod placement block, the push rod placement block is provided with two second through holes, and the push rod placement block is fixedly installed on the frame, so The first spring and the second spring loosely pass through the two second through holes respectively.

A further improvement of the present invention is that the riveting driving mechanism includes a roller, a rotating arm, a rotating arm mounting seat, a fluid cylinder, and a joint. The rotating arm mounting seat, the rotating arm mounting seat is fixedly installed on the frame, the fluid cylinder is fixedly installed under the frame, the piston rod of the fluid cylinder is fixedly connected with the joint, the The joint is rotationally connected with the tail of the pivoting arm.

A further improvement of the present invention is that the rollers are roller bearings.

A further improvement of the present invention is that the fluid cylinder is an air cylinder.

A further improvement of the present invention is that the joint is a Y-shaped joint.

A further improvement of the present invention is that the rack includes a rack deck and at least 2 legs, and the at least 2 legs are fixedly installed under the rack deck.

Compared with the prior art, the present invention has the beneficial effects: the part where the elastic hook is to be riveted is placed at the first through hole, the piston rod of the cylinder drives the rotating arm to rotate along the rotating arm mounting seat through the Y-shaped joint, In this way, the roller is driven to press down, and the upper punch is driven to move downward through the upper punch mounting plate and the pressing plate; The through hole moves upward and the upper punch simultaneously rivets and forms the elastic hook. The invention can replace manual to realize automatic production, has the advantages of safety and reliability, high production efficiency, stable quality and low cost.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is a three-dimensional schematic view of the frame, the elastic hook seat and the riveting drive mechanism of the present invention;

Fig. 3 is a three-dimensional expanded schematic diagram of Fig. 2;

Fig. 4 is a three-dimensional schematic view of the elastic hook seat of the present invention;

Fig. 5 is a three-dimensional expanded schematic diagram of Fig. 4;

Fig. 6 is a three-dimensional schematic view of the riveting mechanism of the present invention;

Fig. 7 is a three-dimensional expanded schematic diagram of Fig. 6;

Fig. 8 is a three-dimensional schematic view of the elastic hook of the present invention;

FIG. 9 is a schematic perspective view of FIG. 8 .

The names of the components in the figure are as follows:

1—rack;

11—rack table;

12—support feet;

2—Riveting mechanism;

21—upper punch;

22—upper punch mounting plate;

23—pressure plate;

24—the first push rod;

25—the second push rod;

26—the first spring;

27 - the second spring;

28—lower punch;

29 - pendulum;

210—swing rod mounting block;

2101—through slot;

211—Jump placement block;

2111—the second through hole;

3—Elastic hook seat;

31—the first through hole;

4—Riveting drive mechanism;

41 - roller;

42—rotary arm;

43—arm mounting seat;

44—fluid cylinder;

45 — connector;

5—elastic hook;

51 - hook body;

52 — trigger;

53—torsion spring.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in FIG. 8 and FIG. 9 , the elastic hook 5 of the present invention is assembled and riveted by a hook body 51 , a trigger 52 , and a torsion spring 53 . The torsion spring 53 is installed on the trigger 52, and the trigger 52 with the torsion spring 53 is inserted into the hollow part of the hook body 51, and the trigger 52 is elastically connected to the hook body 51 through riveting.

As shown in Figure 1, the elastic hook riveting device of the present invention includes a frame 1, a riveting mechanism 2, an elastic hook seat 3, a riveting drive mechanism 4, the riveting mechanism 2, an elastic hook seat 3, a riveting The pressing driving mechanism 4 is fixedly installed on the frame 1 respectively, the elastic hook 5 is placed in the elastic hook seat 3, and the riveting driving mechanism 4 drives the riveting mechanism 2 to rivet the elastic hook 5 forming.

Specifically, as shown in FIG. 2 and FIG. 3 , the rack 1 includes a rack table top 11 and at least two supporting legs 12 , and at least two supporting legs 12 are fixedly installed under the rack table top 11 . The present invention adopts 4 supporting legs 12 .

Specifically, as shown in FIGS. 6 and 7, the riveting mechanism 2 includes an upper punch 21, an upper punch mounting plate 22, a pressing plate 23, a first push rod 24, a second push rod 25, and a first spring 26. , the second spring 27, the lower punch 28, the swing rod 29, the swing rod mounting block 210, the front of the swing rod mounting block 210 is provided with a through groove 2101, and the front of the elastic hook seat 3 is provided with a first through hole 31. The part of the elastic hook 5 to be riveted is placed in the first through hole 31, the swing rod 29 is loosely placed in the through groove 2101, and the middle part of the swing rod 29 is in contact with the The swing rod mounting block 210 is connected by rotation, the tail end of the lower punch 28 is spherical, the front end of the lower punch 28 is loosely installed in the first through hole 31, the tail of the lower punch 28 The end is loosely placed on the front end of the swing rod 29, the swing rod mounting block 210 is fixedly installed under the elastic hook seat 3, and the upper punch 21 is fixedly mounted on the front end of the upper punch mounting plate 22. The front end of the first push rod 24 passes through the middle of the upper punch mounting plate 22 and is loosely inserted into the middle of the through groove 2101, and the first spring 26 is placed on the upper punch mounting plate 22 and the swing rod mounting block. 210 and sleeved on the first push rod 24, the front end of the second push rod 25 is spherical, the front end of the second push rod 25 passes through the rear part of the upper punch mounting plate 22 and Loosely insert the rear part of the through groove 2101, the second spring 27 is placed between the upper punch mounting plate 22 and the swing rod mounting block 210 and sleeved on the second push rod 25, the pressing plate 23 It is fixedly installed on the upper punch mounting plate 22. Preferably, the riveting mechanism 2 further includes a push rod placement block 211, the push rod placement block 211 is provided with two second through holes 2111, and the push rod placement block 211 is fixedly installed on the frame 1 On the rack table 11, the first spring 26 and the second spring 27 loosely pass through the two second through holes 2111 respectively.

Specifically, as shown in Fig. 4 and Fig. 5, the elastic hook seat 3 is a base, and the front of the base is provided with a first through hole 31, and the part of the elastic hook 5 to be riveted is placed on the first through hole 31. There are 31 through holes.

Specifically, as shown in FIG. 2 and FIG. 3 , the riveting drive mechanism 4 includes a roller 41, a rotating arm 42, a rotating arm mounting seat 43, a fluid cylinder 44, and a joint 45. The roller 41 is rotatably mounted on the rotating arm. The head of the arm 42, the pivot arm 42 is rotatably mounted on the pivot arm mounting seat 43 through a pin shaft, and the pivot arm mounting seat 43 is fixedly mounted on the frame table 11 of the frame 1, and the fluid cylinder 44 is fixedly installed under the frame table 11 of the frame 1 , the piston rod of the fluid cylinder 44 is fixedly connected to the joint 45 , and the joint 45 is connected to the tail of the rotating arm 42 in rotation. Specifically, the roller 41 adopts a roller bearing; the fluid cylinder 44 adopts an air cylinder; and the joint 45 adopts a Y-shaped joint.

Preferably, the present invention is also provided with a control system for controlling the operation of the fluid cylinder 44 .

The working process of the present invention is briefly described below: the position where the elastic hook 5 is to be riveted and formed is placed at the first through hole 31, and the piston rod of the fluid cylinder 44 drives the rotating arm 42 along the rotating arm mounting seat 43 through the joint 45. Rotate, thereby drive roller 41 to press down, drive upper punch 21 to move downward through upper punch mounting plate 22, pressing plate 23; up, thereby driving the lower punch 28 to move upward along the first through hole 31 and the upper punch 21 to carry out riveting molding on the elastic hook 5 at the same time; after the riveting molding is completed, the fluid cylinder 44 is reset, and the piston rod of the fluid cylinder 44 passes through the joint 45 drives the moving arm 42 and the roller 41 to reset, the upper punch mounting plate 22 and the pressing plate 23 drive the upper punch 21 to reset under the elastic force of the first spring 26 and the second spring 27, and the lower punch 28 under the action of its own gravity reset. The continuous riveting and pressing of the elastic hook 5 can be realized by reciprocating the above actions.

The advantage of the present invention is that the part of the elastic hook 5 to be riveted is placed at the first through hole 31, and the piston rod of the cylinder drives the rotating arm 42 to rotate along the rotating arm mounting seat 43 through the Y-shaped joint 45, thereby driving The roller 41 presses down, and the upper punch 21 is driven to move downward by the upper punch mounting plate 22 and the pressing plate 23; the swing rod 29 is driven upward by the upper punch mounting plate 22, the pressing plate 23, and the second ejector rod 25, thereby driving The lower punch 28 moves upward along the first through hole 31 together with the upper punch to rivet and press the elastic hook 5 . The invention can replace manual to realize automatic production, has the advantages of safety and reliability, high production efficiency, stable quality and low cost.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (7)

1. An elastic hook riveting device, comprising a frame (1), a riveting mechanism (2), an elastic hook seat (3), a riveting drive mechanism (4), the riveting mechanism (2), an elastic The hook seat (3) and the riveting drive mechanism (4) are respectively installed on the frame (1), the elastic hook (5) is arranged in the elastic hook seat (3), and the riveting drive mechanism ( 4) Drive the riveting mechanism (2) to form the elastic hook (5); it is characterized in that: the riveting mechanism (2) includes an upper punch (21), an upper punch mounting plate (22 ), pressing plate (23), first ejector rod (24), second ejector rod (25), first spring (26), second spring (27), lower punch (28), fork (29), A swing rod mounting block (210), the swing rod mounting block (210) is provided with a through groove (2101), the elastic hook seat (3) is provided with a first through hole (31), and the swing rod (29 ) is placed in the through groove (2101), the middle part of the swing rod (29) is rotationally connected with the swing rod mounting block (210), and the lower punch (28) is loosely installed on the first The through hole (31) is loosely placed at the front end of the swing rod (29), the swing rod installation block (210) is fixedly installed under the elastic hook seat (3), and the upper punch (21) Installed on the front end of the upper punch mounting plate (22), the first ejector rod (24) passes through the middle of the upper punch mounting plate (22) and is inserted into the middle of the through groove (2101), the first A spring (26) is placed between the upper punch mounting plate (22) and the swing rod mounting block (210) and sleeved on the first push rod (24), and the second push rod (25) Through the rear part of the upper punch mounting plate (22) and inserted into the rear part of the through groove (2101), the second spring (27) is installed on the upper punch mounting plate (22) and the swing rod The blocks (210) are sheathed on the second push rod (25), and the pressing plate (23) is installed on the upper punch mounting plate (22). 2. The elastic hook riveting device according to claim 1, characterized in that: the riveting mechanism (2) also includes a push rod placement block (211), and the push rod placement block (211) is provided with two The second through hole (2111), the push rod placement block (211) is fixedly installed on the frame (1), and the first spring (26) and the second spring (27) loosely pass through the 2 second through holes (2111). 3. The elastic hook riveting device according to claim 1, characterized in that: the riveting driving mechanism (4) includes a roller (41), a rotating arm (42), a rotating arm mounting seat (43), a fluid cylinder (44), joint (45), the roller (41) is rotatably mounted on the head of the rotating arm (42), and the rotating arm (42) is rotatably mounted on the rotating arm mount (43), the The rotating arm mounting base (43) is fixedly installed on the frame (1), the fluid cylinder (44) is fixedly installed under the frame (1), and the piston rod of the fluid cylinder (44) is connected to the frame (1). The joint (45) is fixedly connected, and the joint (45) is rotationally connected with the tail of the rotating arm (42). 4. The elastic hook riveting device according to claim 3, characterized in that the roller (41) is a roller bearing. 5. The elastic hook riveting device according to claim 3, characterized in that: the fluid cylinder (44) is an air cylinder. 6. The elastic hook riveting device according to claim 3, characterized in that: the joint (45) is a Y-shaped joint. 7. The elastic hook riveting device according to any one of claims 1 to 6, characterized in that: the frame (1) includes a frame table (11) and at least two legs (12), the At least two supporting feet (12) are fixedly installed under the rack table (11).