CN217343013U - Z-shaped elastic sheet one-time forming mechanism - Google Patents

Abstract

The utility model discloses a one-time forming mechanism of a Z-shaped elastic piece, which comprises a positioning block, a forming block and a bending block. The compressed air source is connected; the forming block is arranged above the positioning block, and the bottom of the forming block is provided with a bending protrusion 1 and a bending groove 1 located above the bending protrusion; the bending block is located below the positioning block, and Inclined arrangement, the top of the bending block is arranged on the bending groove 2 adapted to the first bending protrusion, and the second bending protrusion matched with the first bending groove; the bending forming surface of the bending protrusion 2 The angle with the outer side is 25°. The forming block is used in conjunction with the inclined bending block to simultaneously form the two acute angles of 45° of the Z-shaped shrapnel, and the product is fixed by the combination of negative pressure adsorption and pressing mechanism, which ensures the positioning stability and positioning accuracy of the product. It is guaranteed that the product does not shift during bending.

Description

A Z-shaped shrapnel one-time forming mechanism

technical field

The utility model belongs to the technical field of 3C product production equipment, and relates to a Z-shaped elastic piece one-time forming mechanism.

Background technique

The Z-shaped shrapnel has two acute angles of 45°. At present, these two acute angles are bent in steps. The bending and forming efficiency of the Z-shaped shrapnel is low and cannot meet the production capacity requirements.

Utility model content

The technical problem to be solved by the utility model is to provide a forming mechanism capable of forming two acute angles of the Z-shaped elastic piece in one step.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the utility model is as follows:

A Z-shaped shrapnel one-time forming mechanism includes a positioning block, a forming block and a bending block, the positioning surface of the positioning block is provided with a number of air holes communicating with the internal air passage, the joints arranged on the side of the positioning block and the negative pressure air source connection; the forming block is arranged above the positioning block, and the bottom of the forming block is provided with a bending bump 1 and a bending groove 1 located above the bending boss; the bending block It is located below the positioning block and is inclined, and the top of the bending block is set in the second bending groove, which is adapted to the first bending protrusion, and the second bending groove that is adapted to the first bending groove. Bending convex block 2; the included angle between the bending forming surface of the bending convex block 2 and the outer side surface is 25°; the bending block is driven by the cylinder to move toward or away from the positioning block.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The product is fixed by the combination of negative pressure adsorption and pressing mechanism, which ensures the positioning stability and positioning accuracy of the product, and also ensures that the product does not shift during bending;

2. The forming block is used in conjunction with the inclined bending block to simultaneously form the two acute angles of 45° of the Z-shaped shrapnel, and the second acute angle of the forming block has a 20° bending rebound, which ensures the Z-shaped spring. The forming quality of the shrapnel.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present utility model more clearly, the accompanying drawings required to be used in the description of the embodiments will be briefly introduced below.

Fig. 1 is a structural schematic diagram of a Z-shaped shrapnel one-time forming mechanism;

Figure 2 is a side view of the pressing mechanism;

Figure 3 is a side view of the pressing mechanism (open state);

FIG. 4 is a schematic diagram of the forming state of the forming block and the bending block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example

As shown in FIG. 1, the Z-shaped elastic piece one-time forming mechanism includes a positioning block 10, a forming block 20 and a bending block 30. The positioning surface of the positioning block 10 is provided with a number of air holes that communicate with the internal air passages, which are arranged on the positioning block 10. The connector on the side is connected to the negative pressure air source. 2 and 3, the forming block 20 is arranged above the positioning block 10, the bottom of the forming block 20 is provided with a bending protrusion 21, and a bending groove 22 located above the bending protrusion; the bending block 30 It is located below the positioning block 10 and is inclined, and the top of the bending block 30 is set in the bending groove 2 31 adapted to the bending protrusion 1 21, and the bending protrusion corresponding to the bending groove 1 22. Two 32 ; the angle between the bending forming surface and the outer side surface of the second bending protrusion 32 is 25°;

Place the product on the positioning block 10 for positioning, adsorption and fixation, the forming block 20 presses the product downward, the cylinder drives the bending block 30 to move toward the product, and the bending bump 1 21 cooperates with the bending groove 2 31 to form a lower acute angle, and then fold the product. The second bending protrusion 32 cooperates with the first bending groove 22 to form an upper acute angle (see FIG. 4 ). The bending bump II 32 reserves a 20° bending rebound, which ensures the forming quality of the Z-shaped shrapnel.

As an improvement of this embodiment, the cylinder body of the air cylinder 40 is installed on the bracket 60, the bracket is provided with an arc-shaped adjustment groove 61, a base plate is installed in the arc-shaped adjustment groove, the cylinder body of the cylinder is fixed in the base plate, and the bending block The angle of 30 can be adjusted by the installation angle of the cylinder on the bracket.

Preferably, the bottom of the bracket is slidably connected to the horizontal sliding table of the translation cylinder 70, and by jointly designing the motion stroke and start-up time of the two cylinders, Z-shaped features of various deformation designs can be correspondingly formed.

As an improvement of this embodiment, the molding mechanism further includes a pressing mechanism, and the pressing mechanism drives the forming block 20 to press down the product. Preferably, the pressing mechanism includes a pressing plate 81, a rotating seat 82, a hook rod 83 and a fixing seat 84. One end of the pressing plate is installed in the rotating seat through a rotating shaft, and the forming block 20 is fixed to the other end of the pressing plate. After placing the product on the positioning block 10, the pressure plate is rotated downward so that the pressure plate is pressed against the product. A through groove is arranged in the pressure plate, the hook rod is installed in the through groove, the protrusion on the side of the hook rod is connected with the rotating shaft in the through groove, and the protrusion and the pressure plate are connected by a spring 85. The rod is always upright. The bottom of the hook rod is provided with a hook portion 831, and the side of the fixing seat is provided with a hook groove 841. The hook portion enters the hook groove, the pressure plate is fixed in a horizontal state, and the molding block presses the product.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. A one-step forming mechanism for a Z-shaped elastic sheet is characterized by comprising a positioning block, a forming block and a bending block, wherein a plurality of air holes communicated with an internal air passage are formed in the positioning surface of the positioning block, and a connector arranged on the side surface of the positioning block is connected with a negative pressure air source;

the forming block is arranged above the positioning block, and the bottom of the forming block is provided with a first bending lug and a first bending groove which is positioned above the bending boss;

the bending block is positioned below the positioning block and is obliquely arranged, and the top of the bending block is arranged in a second bending groove matched with the first bending lug and a second bending lug matched with the first bending groove; the included angle between the bending forming surface of the second bending lug and the outer side surface is 25 degrees;

the bending block is driven by the air cylinder to move towards the direction close to or far away from the positioning block.

2. The one-step forming mechanism for a Z-shaped elastic sheet according to claim 1, wherein the cylinder body of the cylinder is mounted on a support, an arc-shaped adjusting groove is formed in the support, a base plate is mounted in the arc-shaped adjusting groove, and the cylinder body of the cylinder is fixed in the base plate.

3. The one-step forming mechanism for the Z-shaped elastic sheet according to claim 2, wherein the bottom of the bracket is slidably connected to a horizontal sliding table of the translation cylinder.

4. The one-step forming mechanism for the Z-shaped elastic sheet according to claim 1, further comprising a pressing mechanism, wherein the pressing mechanism drives the forming block to press down the product; the pressing mechanism comprises a pressing plate, a rotating seat, a hook rod and a fixing seat, one end of the pressing plate is installed in the rotating seat through a rotating shaft, and the forming block is fixed at the other end of the pressing plate.

5. The mechanism of claim 4, wherein the pressing plate has a through slot, the hook rod is mounted in the through slot, the protrusion on the side of the hook rod is connected with the rotating shaft in the through slot, the protrusion is connected with the pressing plate through a spring, and the hook rod is always in a vertical state when the spring is not subjected to an external force; the bottom of the hook rod is provided with a hook part, the side surface of the fixing seat is provided with a hook groove, the hook part enters the hook groove, and the pressing plate is fixed in a horizontal state.

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