CN218891151U - Sheet inner cavity side wall spin riveting mechanism - Google Patents

Abstract

The utility model discloses a spin riveting mechanism for the side wall of a sheet inner cavity, which comprises the following components: the device comprises a front-back moving base, a material supporting component, a fixed support and a spin riveting mechanism; the material supporting component is fixed on the front-back moving base and moves back and forth along with the front-back moving base; the fixed bracket is fixed on the front-back moving base and moves back and forth along with the front-back moving base; the spin riveting mechanism is arranged on the fixed support and comprises a height adjusting mechanism, a spin riveting driving mechanism and a spin riveting tool bit; the height adjusting mechanism is arranged on the fixed bracket and is connected with the spin riveting driving mechanism; the rotary riveting driving mechanism is provided with a dovetail slide rail, the fixed support is provided with a dovetail block, and the dovetail slide rail on the rotary riveting driving mechanism is matched with the dovetail block, so that the rotary riveting driving mechanism moves up and down along the dovetail block under the driving of the height adjusting mechanism; the rotary riveting tool bit is arranged at the action end of the rotary riveting driving mechanism and performs rotary riveting action under the action of the rotary riveting driving mechanism.

Description

A spin riveting mechanism for the side wall of the inner cavity of a sheet

technical field

The utility model belongs to the technical field of automatic riveting, in particular to a spin riveting mechanism for the side wall of a sheet inner cavity.

Background technique

In recent years, with the development of science and technology, the assembly of electronic parts required by mobile phones, automobiles and other electronic industries has become more sophisticated and complex, and some products have put forward higher requirements for their firm sealing. It must have the ability to combine high-precision, high-efficiency, multi-direction, and multi-components to complete production at the same time.

In the current automatic riveting equipment, basically the riveting production mechanism is a fixed product, a fixed riveting machine. And basically they only have the ability to work in the large space direction of the front of the product.

However, with the change of customers' riveting process and high requirements for riveting precision, this kind of technology has been difficult to meet the precision, efficiency and requirements of the production process, which often deepens the customer's initial investment cost, production maintenance cost and bad loss cost.

As far as the appeal is concerned, the quality of the processed products is different, the cost is still high, and the side walls of the inner cavity cannot be riveted, etc., which have become technical problems to be solved urgently by those skilled in the art.

Utility model content

Purpose of the utility model: In order to solve the problem that the existing riveting mechanism cannot better deal with the riveting of the side wall of the inner cavity, this utility model proposes a spin riveting mechanism for the side wall of the thin slice inner cavity to maximize the technological performance of the spin riveting equipment and meet the needs in practical application.

Technical solution: A side wall spin riveting mechanism of the sheet cavity, including: a forward and backward moving base, a supporting component, a fixed bracket and a spinning riveting mechanism; the supporting component is fixed on the forward and backward moving base, and moves back and forth with the forward and backward moving base; The fixed bracket is fixed on the forward and backward moving base, and moves forward and backward along with the forward and backward moving base;

The riveting mechanism is arranged on a fixed bracket, and the riveting mechanism includes a height adjustment mechanism, a riveting driving mechanism and a riveting cutter head; the height adjusting mechanism is arranged on a fixing bracket and connected with the riveting driving mechanism; A dovetail slide rail is provided on the spin riveting drive mechanism, and a dovetail block is provided on the fixed bracket. The dovetail slide rail on the spin riveting drive mechanism cooperates with the dovetail block, so that the spin riveting drive mechanism is driven by the height adjustment mechanism along the The dovetail block moves up and down; the riveting cutter head is set at the action end of the riveting drive mechanism, and performs the riveting action under the action of the riveting drive mechanism;

The rotary riveting cutter head includes a right-angled part and an inclined part, one end of the right-angled part is connected to the rotating riveting drive mechanism, the other end of the right-angled part is connected to the upper end of the inclined part, and the tail end of the inclined part is provided with a rotating riveting action part, the riveting action part is used for riveting; the riveting action part acts on the side wall of the inner cavity of the sheet;

The supporting material assembly includes a supporting material fixing bracket, a supporting rivet piece and buttresses arranged on both sides of the supporting rivet piece; the supporting rivet pieces and buttress pieces are fixed on the supporting material fixing bracket, and the supporting The material fixing bracket is fixed on the front and rear moving base; a U-shaped notch is arranged on the head of the supporting rivet, and the size of the U-shaped notch matches the rivet to be riveted; the head of the supporting wall There is a distance between the side inner wall and the outer side wall of the head of the part to be riveted.

Further, the rivet head is arranged above the support assembly.

Further, the forward and backward moving base includes a base, a wire rail and a driving mechanism, the base is arranged on the wire rail, and the driving mechanism is connected to the base for driving the base to move forward and backward on the wire rail.

Further, the height adjustment mechanism is a cam driving mechanism.

Beneficial effect: compared with the prior art, the utility model has the following advantages:

(1) The utility model adopts a new structure of the riveting cutter head, which can be used for riveting in a small space; at the same time, the cam driving mechanism is used to drive the riveting cutter head to move up and down, so that the stability of the riveting mechanism is greater Guaranteed, with a high degree of automation, and can complete high-precision riveting of the side wall of the thin sheet cavity;

(2) The rotary riveting mechanism of the utility model has the advantages of simple structure, convenient operation, convenient maintenance and adjustment, etc., and can realize the internal cavity side wall rotary riveting function that cannot be completed by traditional riveting machines, and can provide technological layout and product design for products. Provide more ideas.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the sheet to be riveted; (a) in Fig. 1 is a front view of the sheet to be riveted; (b) in Fig. 1 is a perspective view of the sheet to be riveted;

Fig. 2 is a schematic structural view of the riveting head; (a) in Fig. 2 is a schematic plan view of the riveting head; (b) in Fig. 2 is a perspective view of the riveting head;

Fig. 3 is a structural schematic diagram of the height adjustment mechanism and the rivet cutter head;

Fig. 4 is a structural schematic diagram of the height adjustment mechanism;

Figure 5 is a schematic diagram of the position of the height adjustment mechanism and the fixed bracket;

Fig. 6 is the structural representation of holding up material assembly;

Fig. 7 is the schematic structural view of the wire track and the driving mechanism of the forward and backward moving base;

Fig. 8 is a schematic diagram of the position of the sheet to be riveted, the rivet head and the support assembly;

Fig. 9 is a schematic diagram of the position of the sheet to be riveted and the support assembly;

Figure 10 is an enlarged view of the head of the supporting assembly;

Fig. 11 is an overall schematic diagram of the utility model.

Detailed ways

The technical scheme of the utility model is further set forth below in conjunction with the accompanying drawings.

Example 1:

As shown in Fig. 11, this embodiment discloses a cam-feed type sheet inner cavity side wall spin riveting mechanism, which mainly includes: a forward and backward moving base 1, a material support assembly 2, a fixed bracket 3 and a spin riveting mechanism 4; The material component 2 is fixed on the forward and backward moving base 1, and moves forward and backward with the forward and backward moving base 1. The supporting material component 2 is used to fix the sheet to be riveted. The sheet to be riveted mentioned in this embodiment is composed of two sub-sheets 5 The sub-sheet 5 includes four side walls. The riveting mentioned in this embodiment includes riveting the side walls of two sub-sheets 5 to obtain the sheet structure as shown in FIG. 1 . The fixed bracket 3 is fixed on the front and rear moving base 1, and moves back and forth with the front and rear moving base 1; the spin riveting mechanism 4 of this embodiment is arranged on the fixed bracket 3, and the front and rear moving base 1 drives the supporting component 2 to advance to the sheet to be riveted , to locate the riveted parts of the two sub-sheets. When the support assembly 2 reaches the designated position, the riveting mechanism 4 at this time is driven by the front and rear moving base 1 to the top of the sheet to be riveted, and the sheet to be riveted Perform spin riveting.

Specifically, the spin riveting mechanism 4 of this embodiment includes a height adjustment mechanism 41, a spin riveting drive mechanism 42 and a spin riveting cutter head 43, as shown in Fig. 3, Fig. 4 and Fig. 5 for details; the height adjustment mechanism of this embodiment 41 is arranged on the fixed bracket 3 and is connected with the rivet driving mechanism 32. The height adjustment mechanism 41 of this embodiment can be a cam feeding module; There is a dovetail block 31 on the top, and the dovetail slide rail 421 on the rivet drive mechanism 42 cooperates with the dovetail block 31, so that the rivet drive mechanism 42 moves up and down along the dovetail block 31 under the drive of the height adjustment mechanism 41; as shown in Figure 3 As shown, the riveting cutter head 43 of the present embodiment is arranged on the action end of the riveting driving mechanism 42, and performs the riveting action under the action of the riveting driving mechanism 42; as shown in FIG. 2 , the riveting cutter head 43 includes a right-angled portion 431 and an inclined portion 432, one end of the right-angled portion 431 is connected to the rivet driving mechanism 42, the other end of the right-angled portion 431 is connected to the upper end of the inclined portion 432, and the tail end of the inclined portion 432 is provided with a rotating riveting action piece 433 , the riveting action part 433 is used for riveting; the riveting action part 433 acts on the side wall of the inner cavity of the sheet; When the riveting mechanism 4 was positioned above the sheet to be riveted, the height adjustment mechanism 41 made the riveting drive mechanism 42 and the riveting head 43 go down, and because of the special structure of the riveting head 43, the riveting head 43 entered the waiting position. The inside of the riveted sheet is in contact with the part to be riveted. At this time, the spin riveting drive mechanism 42 drives the spin riveting head 43 to perform riveting.

Specifically, as shown in Figure 6 and Figure 10, the supporting material assembly 2 of this embodiment includes a supporting material fixing bracket 21, a supporting rivet piece 22 and buttress pieces 23 arranged on both sides of the supporting rivet piece 22; and buttress parts 23 are all fixed on the supporting material fixing bracket 21, and the supporting material fixing bracket 21 is fixed on the front and rear moving base 1; referring to Fig. 10, a U-shaped notch 221 is arranged on the head of the supporting rivet part 22, The size of the U-shaped notch 221 matches the rivet to be riveted; there is a distance between the side inner wall of the head of the buttress member 23 and the outer wall of the head of the buttress member 22 . As shown in Figures 8 and 9, when riveting, the side wall of the sheet is between the supporting rivet 22 and the supporting wall 23, and the rivet to be riveted is located in the U-shaped notch 221 of the supporting rivet 22, At this time, the riveting action part 433 of the riveting cutter head 43 performs riveting to the rivet, so that the side walls of the two sub-sheets are riveted together.

Specifically, as shown in Figure 11 and Figure 7, the forward and backward moving base 1 of this embodiment includes a base 11, a line rail 12 and a drive mechanism 13, the base 11 is arranged on the line rail 12, and the drive mechanism 13 is connected to the base 11 for The driving base 11 moves forward and backward on the line rail 12 .

The working process of the spin riveting mechanism in this embodiment is: after the product is in place, move the base 1 forward and backward to drive the spin riveting mechanism 4 forward to the working position, and the supporting component 2 presses the sheet forward synchronously, mainly pressing the upper sub-sheet The side wall of the riveting drive mechanism 42 moves downward under the action of the height adjustment mechanism 41, and the riveting cutter head 43 enters the inside of the sheet to be riveted, and the riveting cutter head 43 proceeds with the action of the riveting driving mechanism 42. The riveting action finally fulfills the industrial needs.

Claims (4)

1. The utility model provides a thin slice inner chamber lateral wall rivets mechanism soon which characterized in that: comprising the following steps: the device comprises a front-back moving base, a material supporting component, a fixed support and a spin riveting mechanism; the material supporting component is fixed on the front-back moving base and moves back and forth along with the front-back moving base; the fixed support is fixed on the front-back moving base and moves back and forth along with the front-back moving base;

the spin riveting mechanism is arranged on the fixed support and comprises a height adjusting mechanism, a spin riveting driving mechanism and a spin riveting tool bit; the height adjusting mechanism is arranged on the fixed bracket and is connected with the spin riveting driving mechanism; the rotary riveting driving mechanism is provided with a dovetail sliding rail, the fixed support is provided with a dovetail block, and the dovetail sliding rail on the rotary riveting driving mechanism is matched with the dovetail block, so that the rotary riveting driving mechanism moves up and down along the dovetail block under the driving of the height adjusting mechanism; the rotary riveting tool bit is arranged at the action end of the rotary riveting driving mechanism and performs rotary riveting action under the action of the rotary riveting driving mechanism;

the rotary riveting tool bit comprises a right-angle part and an inclined part, one end of the right-angle part is connected with a rotary riveting driving mechanism, the other end of the right-angle part is connected with the upper end of the inclined part, and a rotary riveting action piece is arranged at the tail end of the inclined part and is used for rotary riveting; the rotary riveting action piece acts on the side wall of the inner cavity of the sheet;

the material supporting component comprises a material supporting fixed bracket, a rivet supporting piece and buttress pieces arranged on two sides of the rivet supporting piece; the rivet supporting piece and the buttress piece are both fixed on a material supporting fixed bracket, and the material supporting fixed bracket is fixed on a front-back moving base; the head of the rivet supporting piece is provided with a U-shaped notch, and the size of the U-shaped notch is matched with that of a rivet to be screwed; a space exists between the side inner wall of the head of the buttress and the outer side wall of the head of the part to be riveted.

2. The sheet lumen sidewall spin-riveting mechanism of claim 1, wherein: the rotary riveting tool bit is arranged above the material supporting component.

3. The sheet lumen sidewall spin-riveting mechanism of claim 1, wherein: the back-and-forth moving base comprises a base, a wire rail and a driving mechanism, wherein the base is arranged on the wire rail, and the driving mechanism is connected with the base and used for driving the base to move back and forth on the wire rail.

4. The sheet lumen sidewall spin-riveting mechanism of claim 1, wherein: the height adjusting mechanism is a cam driving mechanism.

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