CN212190847U

CN212190847U - Automatic sliding rail die

Info

Publication number: CN212190847U
Application number: CN202020255148.0U
Authority: CN
Inventors: 阮子斌; 陈坚毅
Original assignee: Foshan Shunde Lihong Electronic Co ltd
Current assignee: Foshan Shunde Lihong Electronic Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-12-22
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a slide rail automatic die, which comprises an upper die and a lower die, wherein the upper die comprises a material returning plate, a material returning base plate, a fixing plate, a punching needle and a forming male die, the material returning base plate is fixed on the fixing plate and clamps and fixes the forming male die; a fixed seat for fixing the punching needle is arranged on the fixing plate, the fixed seat comprises a tower spring and a plurality of steel balls, and one side of the material returning base plate, which is attached to the fixing plate, is provided with a conical groove for mounting the tower spring and the steel balls; the steel balls are circumferentially arranged in the conical groove and are pushed to the small end of the conical groove through the tower spring; the continuous processing and forming of the slide rail can be realized, and the quality of the product is well ensured; the product which can be finished by 2 steps can be finished by one step, so that the labor cost is greatly reduced, the die runs stably, the problem of workpiece vibration is solved, and the noise is low; the punching needle of the die can be installed at last, so that the die is more convenient to assemble.

Description

Automatic sliding rail die

Technical Field

The utility model belongs to the technical field of the mould, especially, relate to a slide rail automatic mould.

Background

The progressive die is a cold stamping die which adopts a strip-shaped stamping raw material in one stamping stroke of a press machine and simultaneously completes a plurality of stamping processes on a pair of dies by a plurality of different stations, and a material strip moves once at a fixed distance every time the dies complete stamping until a product is completed; at present, a progressive die suitable for machining a sliding rail is not available, and when a sliding rail is manufactured at present, firstly, a coil stock is used for cutting a side plate, then, edge folding is carried out, and finally, forming is carried out. One side plate needs 2 steps to be completed, and each step needs one person to be completed; the process is complicated and needs a great amount of hands to complete; the quality of the side plate is not guaranteed, and waste reports are easy to appear; the efficiency is difficult to be greatly improved because the whole operator mainly operates the machine by hand; in addition, the punching needles on the existing mold are all compressed and fixed through the material returning cushion plate, and other parts such as the punching needles and the material returning cushion plate need to be installed firstly during assembly, so that the operation of multiple persons is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an automatic slide rail mould which can realize the continuous processing and forming of the slide rail and ensure the quality of the product; the product that needs 2 steps to accomplish before just can accomplish in one step now, greatly reduced cost of labor, and the mould operates steadily, has solved the problem of work piece vibrations, and the noise is little.

The utility model discloses a slide rail automatic die, which comprises an upper die and a lower die, wherein the upper die comprises a material returning plate, a material returning base plate, a fixing plate, a punching needle and a forming male die, and the material returning base plate is fixed on the fixing plate and clamps and fixes the forming male die; the fixture plate is also fixedly provided with a plurality of limiting pins, and the stripper plate is vertically and slidably connected with each limiting pin; a pressure spring is sleeved on the limiting pin and provides downward pressure for a stripper plate through the pressure spring, and a first abdicating hole for abdicating the punching needle and the forming male die is formed in the stripper plate; a fixed seat for fixing the punching needle is arranged on the fixing plate, the fixed seat comprises a tower spring and a plurality of steel balls, and one side of the material returning base plate, which is attached to the fixing plate, is provided with a conical groove for mounting the tower spring and the steel balls; the steel balls are circumferentially arranged in the conical groove and are pushed to the small end of the conical groove through the tower spring; the number of the steel balls is at least three, the tower spring and the steel balls are placed in the conical groove during assembly, the material returning base plate is assembled and then naturally seals the tower spring and the steel balls, the punching needle adopts a polished rod structure, a step structure at the root is eliminated, the root of the punching needle penetrates through the material returning plate and is inserted into the conical groove of the material returning base plate and is contacted with each steel ball when the punching needle is installed, the cone angle of the conical groove is not more than 15 degrees, and the punching needle is clamped tightly by the action between the steel balls and the conical surface.

Furthermore, the fixing seat further comprises a flat pad, and the flat pad is arranged between the tower spring and each steel ball, so that the steel balls are uniformly stressed.

Further, the lower die comprises a female die base plate and a female die plate which are fixed together, a punching insert and a forming insert are fixedly arranged on the female die plate corresponding to the punching needle and the forming male die, and a positioning needle and a top block are further arranged on the female die plate; the surface of the material returning plate is provided with a yielding groove corresponding to the positioning pin; the fixing plate is arranged right above the female die plate and driven by the press, a feeder is used for conveying materials to the top surface of the female die plate, the feeder is a numerical control feeder, and the feeder can be replaced by a cylinder type feeder; the positioning pin is used for positioning the coil stock, so that the coil stock is prevented from moving away in the stamping process, and waste products are avoided. The function of the punching insert is to punch out the required shape and inner hole of the product in advance. The effect of kicking block is to part material and mould chassis, and burr and die that appear when preventing die-cut take place the friction, make the pay-off precision mistake because of the friction when avoiding the pay-off. The function of the molding insert is to fold the material into a required shape, and the prior art needs 2 working procedures to finish the prior art, and the work efficiency is greatly increased and the required labor cost is greatly reduced. And finally, the guide post is convenient for the rapid assembly after the die is disassembled.

Furthermore, a spring for bouncing the ejector block is arranged in the concave template, and the ejector block is jacked upwards by the elasticity of the spring and automatically fluctuates along with repeated stamping actions.

Furthermore, the surface of the fixture plate is inlaid with a cushion block corresponding to the punching needle, and the cushion block is provided with a groove for the punching needle to insert, so that the cushion block plays an effective supporting role for the punching needle and bears the reaction force of the punching needle.

The utility model has the advantages that: the utility model discloses a slide rail automatic mould can realize the continuous processing shaping of slide rail, and the quality of product has fine assurance; the product which can be finished by 2 steps can be finished by one step, so that the labor cost is greatly reduced, the die runs stably, the problem of workpiece vibration is solved, and the noise is low; the punching needle of the die can be installed at last, so that the die is more convenient to assemble.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a cavity plate;

FIG. 3 is a schematic structural view of a die backing plate;

FIG. 4 is a schematic structural view of the stripper plate;

FIG. 5 is a schematic view of the structure of a material returning shim plate;

fig. 6 is a schematic structural view of the fixing plate.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1-6: the automatic sliding rail die comprises a concave die plate 3, a concave die cushion plate 7, a material returning plate 8, a material returning cushion plate 10 and a fixing plate 11, wherein a punching insert 1, a forming insert 2 and a guide post 6 are fixedly arranged on the concave die plate 3; the concave template 3 is fixed on a concave die base plate 7; the fixing plate 11 is correspondingly provided with a punching needle 12, a forming male die and a guide sleeve; the female die plate 3 is also provided with a positioning needle 5 and an ejector block 4, the material returning base plate 10 is fixed on a fixing plate 11, and the punching needle 12, the forming male die and the guide sleeve are clamped and fixed; the guide post 6 extends upwards and is connected with the guide sleeve, a plurality of limiting pins are fixedly arranged on the fixing plate 11, and the stripper plate 8 is vertically connected with each limiting pin in a sliding manner; a pressure spring is sleeved on the limit pin, downward pressure is provided for the stripper plate 8 through the pressure spring, and a first abdicating hole 9 for abdicating the punching needle 12 and the forming male die is formed in the stripper plate 8; the fixing plate 11 is arranged right above the concave template 3 and driven by a press, a feeder is used for conveying materials to the top surface of the concave template 3, the feeder is a numerical control feeder, and a cylinder type feeder can be used for replacement; the positioning needle 5 is used for positioning the coil stock, so that the coil stock is prevented from moving away in the stamping process, and waste products are avoided. The function of the punching insert 1 is to punch out the required shape and inner hole of the product in advance. The effect of kicking block 4 is to part material and mould chassis, and burr and die that appear when preventing die-cut take place the friction, make the pay-off precision mistake because of the friction when avoiding the pay-off. The forming insert 2 has the function of folding the material into a required shape, and the former needs 2 working procedures to finish the existing process of connecting the material and the cutting together in the same working procedure, thereby greatly increasing the working efficiency and greatly reducing the required labor cost. Finally, the guide post 6 is convenient for the rapid assembly after the mould is disassembled; a fixed seat for fixing the punching needle 12 is arranged on the fixing plate, the fixed seat comprises a tower spring 13 and a plurality of steel balls 15, and one side of the material returning base plate, which is attached to the fixing plate, is provided with a conical groove for mounting the tower spring 13 and the steel balls 15; the steel balls 15 are circumferentially arranged in the conical groove and are pushed to the small end of the conical groove through the tower spring 13; at least three steel balls 15 are arranged, the tower spring 13 and the steel balls 15 are placed in the conical groove during assembly, the material returning base plate is assembled to naturally seal the tower spring 13 and the steel balls 15, the punching needle 12 adopts a polished rod structure, the step structure of the root is cancelled, and finally, when the punching needle 12 is installed, the root of the punching needle 12 penetrates through the material returning plate to be inserted into the conical groove of the material returning base plate and is contacted with each steel ball 15, the cone angle of the conical groove is not more than 15 degrees, and the punching needle 12 is clamped by the action between the steel balls 15 and the conical surface; the fixing seat further comprises a flat pad, and the flat pad is arranged between the tower spring 13 and each steel ball 15, so that the steel balls 15 are uniformly stressed.

In this embodiment, a cushion block 14 is embedded on the surface of the fixture plate corresponding to the punching pin 12, and a groove for inserting the punching pin 12 is formed in the cushion block 14, so as to effectively support the punching pin 12 and bear the reaction force of the punching pin 12.

In this embodiment, a spring for ejecting the ejector block 4 is provided in the cavity plate 3, and the ejector block is ejected upward by the elastic force of the spring and automatically undulates with the repeated punching operation.

In this embodiment, the surface of the stripper plate 8 is provided with a relief groove corresponding to the positioning pin 5; the positioning needle 5 penetrates through the coil and extends into the abdicating groove, so that the coil is accurately positioned.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a slide rail automatic mold which characterized in that: the stamping die comprises an upper die and a lower die, wherein the upper die comprises a material returning plate, a material returning base plate, a fixing plate, a stamping needle and a forming male die, and the material returning base plate is fixed on the fixing plate and clamps and fixes the forming male die; the fixture plate is also fixedly provided with a plurality of limiting pins, and the stripper plate is vertically and slidably connected with each limiting pin; a pressure spring is sleeved on the limiting pin and provides downward pressure for a stripper plate through the pressure spring, and a first abdicating hole for abdicating the punching needle and the forming male die is formed in the stripper plate; a fixed seat for fixing the punching needle is arranged on the fixing plate, the fixed seat comprises a tower spring and a plurality of steel balls, and one side of the material returning base plate, which is attached to the fixing plate, is provided with a conical groove for mounting the tower spring and the steel balls; the steel balls are circumferentially arranged in the conical groove and are pushed to the small end of the conical groove through the tower spring.

2. The slide rail automatic mold according to claim 1, wherein: the fixing seat further comprises a flat pad, and the flat pad is arranged between the tower spring and each steel ball.

3. The slide rail automatic mold according to claim 2, wherein: the lower die comprises a female die base plate and a female die plate which are fixed together, a punching insert and a forming insert are fixedly arranged on the female die plate corresponding to the punching needle and the forming male die, and a positioning needle and a top block are further arranged on the female die plate; the surface of the material returning plate is provided with a yielding groove corresponding to the positioning pin.

4. The slide rail automatic mold according to claim 3, wherein: the concave die plate is internally provided with a spring used for bouncing the ejector block.

5. The slide rail automatic mold according to claim 4, wherein: the surface of the fixing plate is inlaid with a cushion block corresponding to the punching pin, and the cushion block is provided with a groove for the punching pin to insert.