CN212792827U - Device for preparing and riveting relay pull shaft - Google Patents

Abstract

The utility model relates to a preparation and device of riveting relay axle that draws, include: the cutting tool comprises a lower base (1), a first cutter (3), a base plate (4), a first support (5), a second cutter (6), a second detection switch (7), a second support (8), a first detection switch (9), a guide post (10), a punch (11) and an upper base (12); the lower base (1) is fixed with the upper base (12) through the left and right guide posts (10), so that the lower base (1) is connected with the upper base (12) in parallel, and a punch (11) is fixed at the lower end of the upper base (12) between the left and right guide posts (10); a first bracket (5) is fixed at the upper end of the lower base (1) between the left guide post and the right guide post (10). The device for preparing and riveting the relay pull shaft is convenient for preparing the pull shaft and riveting the pull shaft at the same time, has high reliability, good riveting quality consistency and lower cost, can reduce the labor intensity of a front-line worker and improve the production capacity of a workshop.

Description

Device for preparing and riveting relay pull shaft

Technical Field

The utility model relates to a production railway signal relay equipment for preparation railway signal relay part (blind axle), and with the blind axle riveting in railway signal relay part (armature) elongated slot, especially about a device of preparation and riveting relay blind axle.

Background

At present, various types of railway signal relays (hereinafter referred to as relays) are widely applied to a track signal control system, particularly in recent years, along with the high-speed development of high-speed railways, the demand of relay products is rapidly increased, and meanwhile, higher requirements are provided for the product quality of the relays, so that higher requirements are provided for the production capacity of our department.

The pull shaft is fixed in the armature elongated slot in a riveting mode and used for pulling the relay pull rod, so that the relay realizes the function of opening or closing a contact, and therefore the pull shaft and the armature are basic key parts of the relay. The pull shaft is an L-shaped part, the armature is also an L-shaped part, the armature is provided with a long groove with the length of 1.5 multiplied by 1.5mm, the pull shaft is riveted in the long groove of the armature, and the L end of the pull shaft is upwards exposed out of the opening of the armature for later mounting of other parts. The pull shaft and the armature are prepared by a stamping process according to the design drawing and technical requirements of a relay product, and then surface treatment (respectively acid pickling passivation and multilayer plating) is carried out to finally form a qualified relay part with certain corrosion resistance for assembling the relay. In the existing production and assembly process of the relay, the pull shaft is firstly placed in the long groove of the armature in a manual grabbing mode and is placed in the long groove of the armature in a left-right centering mode, and then the pull shaft is riveted in the long groove of the armature by using the punch and the iron hammer in a manual knocking mode, so that the pull shaft cannot have abnormal phenomena of looseness, back-and-forth movement and the like.

Because the two parts need to be separately stamped, prepared and subjected to surface treatment, the surface treatment needs to be implemented by professional outsourcing enterprises, the material inventory cost is increased, the production period of the parts is prolonged, in addition, the manual riveting and pulling shaft is adopted, the production capacity of the relay is limited to a certain extent, especially, a front-line operator hopes to have equipment for preparing the pulling shaft and riveting the pulling shaft, the production efficiency of the riveting and pulling shaft can be improved, and meanwhile, the quality of the riveting and pulling shaft is also improved.

Disclosure of Invention

The utility model aims at: the device for preparing and riveting the relay pull shaft is convenient for preparing the pull shaft and riveting the pull shaft at the same time, has high reliability, good riveting quality consistency and lower cost, can reduce the labor intensity of a front-line worker, and improves the production capacity of a workshop.

In order to solve the above problem, the technical scheme of the utility model is that: relate to a preparation and rivet relay draws device of axle, include: the device comprises a lower base, a first cutter, a base plate, a first support, a second cutter, a second detection switch, a second support, a first detection switch, a guide pillar, a punch and an upper base; the lower base is fixed with the upper base through the left and right guide posts, so that the lower base is connected with the upper base in parallel, and a punch is fixed at the lower end of the upper base between the left and right guide posts; a first bracket is fixed at the upper end of the lower base between the left guide post and the right guide post; a second bracket is fixedly arranged at the right end of the first bracket, and a first detection switch is arranged on the second bracket and used for detecting whether a tin bronze wire rod of a pull shaft of a part to be prepared is conveyed to a preparation station; the second detection switch is installed on the backing plate and is used for detecting whether the armature of the part to be riveted is placed on the riveting station, when the first detection switch and the second detection switch are synchronously connected, the first detection switch and the second detection switch respectively detect the material and the part, and then the punch, the first cutter and the second cutter are synchronously started to work.

Further, the lower end of the punch, the lower base and the upper base are parallel to the first detection switch and the first cutter; the tin bronze wire passes through first cutter and first detection switch.

Furthermore, the first support is L-shaped, the first support and the second support form a groove-shaped structure, and a base plate and a second detection switch are arranged in a groove cavity.

Furthermore, a pull shaft limiting guide groove is formed in the punch.

Further, the first detection switch is fixed on the second support and used for detecting whether the tin bronze wire is sent to the pull shaft preparation station or not; the second detection switch is fixed on the cushion block and used for detecting whether the armature iron to be riveted is placed at a riveting station or not; when the tin bronze wire is conveyed to a proper position, the armature is placed at the riveting station, and the first detection switch and the second detection switch respectively detect the material and the part, so that the device starts to work.

The utility model has the advantages that: the riveting method has the advantages that the pulling shaft and the riveting pulling shaft are manufactured by stamping through a mechanical structure, and the riveting method is high in precision, high in process integration degree, simple to operate and relatively low in cost; the riveting device has the advantages that the pull shaft preparation process and the riveting process are integrated, and meanwhile, the consistency and the reliability of the riveting quality are improved. For existing order preparation part method and order riveting method, the utility model discloses a riveting quality has been guaranteed to the preparation method that the process is concentrated, has reduced material stock and turnover cost and a ray of workman's intensity of labour to the production efficiency in relay workshop has been improved.

The invention will be further explained with reference to the drawings of the embodiments.

Drawings

Fig. 1 is a schematic view of an apparatus for preparing and riveting a relay pull shaft, the tin bronze wire for preparing the pull shaft in fig. 1 having been conveyed in place.

Fig. 2 is a schematic view of the punch structure.

In the figure: 1. a lower base; 2. a tin bronze wire; 3. a first cutter, 4, a backing plate; 5. a first bracket; 6. a second cutter; 7. a second detection switch; 8. a second bracket; 9. a first detection switch; 10. a guide post; 11. a punch; 12. an upper base 13 and a pull shaft limiting guide groove; 14. and riveting the boss.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, the utility model relates to a device of preparation and riveting relay axle that draws, include: the cutting device comprises a lower base 1, a first cutter 3, a backing plate 4, a first support 5, a second cutter 6, a second detection switch 7, a second support 8, a first detection switch 9, a guide pillar 10, a punch 11 and an upper base 12; the lower base 1 is fixed with the upper base 12 through the left and right guide posts 10, so that the lower base 1 is connected with the upper base 12 in parallel, and the punch 11 is fixed at the lower end of the upper base 12 between the left and right guide posts 10; a first bracket 5 is fixed at the upper end of the lower base 1 between the left guide post and the right guide post 10; a second bracket 8 is fixedly arranged at the right end of the first bracket 5, and a first detection switch 9 is arranged on the second bracket 8 and used for detecting whether a tin bronze wire rod of a part to be prepared, which is used for drawing a shaft, is conveyed to a preparation station; the second detection switch 7 is installed on the backing plate 4 and is used for detecting whether the armature of the part to be riveted is placed on the riveting station, when the first detection switch 9 and the second detection switch 7 are synchronously connected, the first detection switch 9 and the second detection switch 7 respectively detect the material and the part, and then the punch 11, the first cutter 3 and the second cutter 6 are synchronously started to work.

The lower end of the punch 11 is parallel to the lower base 1 and the upper base 12, and the lower end of the punch is parallel to the first detection switch 9 and the first cutter 3; the tin bronze wire 2 passes through the first cutter 3 and the first detection switch 9.

The first support 5 is L-shaped, the first support 5 and the second support 8 form a groove-shaped structure, and a backing plate 4 and a second detection switch 7 are arranged in a groove cavity.

The punch 11 is provided with a pull shaft limiting guide groove 13.

As shown in fig. 1 and fig. 2, the working process of the embodiment of the present invention is: after the device is started to work, the punch 11 and the second cutter 6 move downwards together, the shaft-pulling limiting guide groove 13 on the punch 11 firstly strides over the tin bronze wire 2, and the second cutter 6 and the first cutter 3 on the first support 5 start to cut off the tin bronze wire 2 of the shaft-pulling of the part to be prepared along with the continuous downward movement of the punch 11; at the moment, the second bracket 8 and the punch 11 also start to punch the tin bronze wire 2, so that the tin bronze wire 2 is bent and deformed; after the tin bronze wire is cut off and deformed, the punch 11 continuously conveys the pulling shaft downwards through the pulling shaft limiting guide groove 13 of the punch 11 until the pulling shaft is conveyed into the armature long groove to be riveted, and then the punch 11 performs punching riveting on the edge of the armature long groove to be riveted through the riveting boss 14 of the punch 11.

The guide post 10 is fastened to the upper base 12 by a bolt, passes through the lower base 1, connects the upper base 12 and the lower base 1, supports the upper base 12 and the accompanying movable components, and controls the positioning accuracy of the up-and-down reciprocating movement of the punch 11.

After the process is implemented, the prepared pull shaft is finally riveted in the armature elongated slot, so that the pull shaft is firmly fixed in the armature elongated slot and cannot move, the armature pulling shaft riveting method is improved, the production period is shortened, and the production capacity of the armature pulling shaft riveting assembly is effectively improved.

The punch 11 and the second support 8 are used for punching and preparing tin bronze wire deformation of the pull shaft, the punch 11 is also used for sending the cut and deformed pull shaft into an armature elongated slot to be riveted and riveting, and the action sequence is controlled by the first detection switch 9, the second detection switch 7 and a matched circuit.

The first bracket 5 is provided with a through hole for penetrating through the tin bronze wire 2 for preparing the pull shaft; a hollow cylindrical first cutter 3 is embedded in a through hole position of a boss surface on the right side of the first support 5 and is matched with a second cutter 6 to cut off the tin bronze wire 2 for preparing the pull shaft.

The second bracket 8 is provided with a through hole for penetrating through the tin bronze wire 2 for preparing the pull shaft; an arc chamfer is arranged at the position of the through hole on the left side surface of the through hole of the second bracket 8 and is used for preparing the deformation of the pull shaft; the second bracket 8 is at a certain distance from the right side of the punch 11 and is used for controlling the deformation angle of the pull shaft.

The second cutter 6 is fixed on the left side surface of the punch 11 and reciprocates up and down together with the punch 11, and the second cutter 6 moves up and down along with clinging to the right boss surface of the first bracket 5.

The punch 11 is fixed on the upper base 12 through a fastening bolt, and a pull shaft limiting guide groove 13 is arranged on the lower end face of the punch 11 and used for sending a pull shaft into an armature long groove to be riveted; and an arc riveting boss 14 is arranged on the lower end face of the punch 11 and used for punching and riveting the edge part of the armature long notch, so that the material at the armature notch flows into the groove due to deformation, and the functions of guiding and riveting are realized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all changes, substitutions and modifications of the structure and features described in the claims of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a device of preparation and riveting relay draws axle which characterized by: the method comprises the following steps: the cutting tool comprises a lower base (1), a first cutter (3), a base plate (4), a first support (5), a second cutter (6), a second detection switch (7), a second support (8), a first detection switch (9), a guide post (10), a punch (11) and an upper base (12); the lower base (1) is fixed with the upper base (12) through the left and right guide posts (10), so that the lower base (1) is connected with the upper base (12) in parallel, and a punch (11) is fixed at the lower end of the upper base (12) between the left and right guide posts (10); a first bracket (5) is fixed at the upper end of the lower base (1) between the left guide post and the right guide post (10); a second support (8) is fixedly arranged at the right end of the first support (5), a first detection switch (9) is arranged on the second support (8), and a second detection switch (7) is arranged on the base plate (4).

2. The device for preparing and riveting the relay pull shaft as claimed in claim 1, wherein: the lower end of the punch (11), the lower base (1) and the upper base (12) are parallel to the first detection switch (9) and the first cutter (3); the tin bronze wire (2) passes through the first cutter (3) and the first detection switch (9).

3. The device for preparing and riveting the relay pull shaft as claimed in claim 1, wherein: the first support (5) is L-shaped, the first support (5) and the second support (8) form a groove-shaped structure, and a base plate (4) and a second detection switch (7) are arranged in a groove cavity.

4. The device for preparing and riveting the relay pull shaft as claimed in claim 1, wherein: the first support (5) is provided with a through hole, and a hollow cylindrical second cutter (6) is embedded in the through hole of the boss face on the right side of the first support (5) and used for cutting off the tin bronze wire (2) for preparing the pull shaft.

5. The device for preparing and riveting the relay pull shaft as claimed in claim 1, wherein: the second support (8) is provided with a through hole, the position of the through hole on the left side surface is provided with an arc chamfer, and the left side surface of the second support (8) and the right side surface of the punch (11) have a certain distance for controlling the deformation angle of the pull shaft.

6. The device for preparing and riveting the relay pull shaft as claimed in claim 1, wherein: the second cutter (6) is fixed on the left side surface of the punch (11) through a screw and reciprocates up and down together with the punch (11), and the second cutter (6) is tightly attached to the right convex table surface of the first bracket (5) in the motion process.

7. The device for preparing and riveting the relay pull shaft as claimed in claim 1, wherein: the punch (11) is provided with a pull shaft limiting guide groove (13), and the lower end face of the punch (11) is provided with an arc riveting boss (14).

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