CN217726964U

CN217726964U - Wire diameter control mechanism of fine spring forming machine

Info

Publication number: CN217726964U
Application number: CN202221267633.5U
Authority: CN
Inventors: 白中泉
Original assignee: Dongguan Xinding Machinery Equipment Co ltd
Current assignee: Dongguan Xinding Machinery Equipment Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-04
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to the technical field of spring machines, in particular to a wire diameter control mechanism of a fine spring forming machine, which comprises a bottom plate, an upper forming component and a lower forming component, wherein the upper forming component comprises an upper sliding seat and an upper forming lever, the upper sliding seat is slidably arranged on the bottom plate, and the upper forming lever is arranged on the upper sliding seat; the lower forming assembly comprises a lower sliding seat and a lower forming lever, the lower sliding seat is slidably arranged on the bottom plate, and the lower forming lever is arranged on the lower sliding seat; the upper forming lever and the lower forming lever are arranged in a V shape in a separated way; the bottom plate is provided with a driving mechanism for driving the upper sliding seat to slide along a preset track, and a linkage rod is arranged between the upper sliding seat and the lower sliding seat so that the upper sliding seat and the lower sliding seat can slide synchronously. Compared with the prior art, the synchronous sliding is realized between the upper sliding seat and the lower sliding seat through the linkage rod, only the upper sliding seat is required to be provided with the driving mechanism, the cost is low, the synchronous movement can be ensured, and the control precision of the outer diameter of the spring is further ensured.

Description

Wire diameter control mechanism of fine spring forming machine

Technical Field

The utility model relates to a coiling machine technical field, concretely relates to slight spring make-up machine's line footpath control mechanism.

Background

The spring is a mechanical part which works by utilizing elasticity, and the part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed, and is generally made of spring steel. The types of springs are complicated and various, and they are classified by their shapes, and mainly include coil springs, spiral springs, leaf springs, and deformed springs.

Springs such as coil springs, spiral springs, and profile springs are made of coiled spring wire, and spring manufacturing equipment must be precisely operated in both the wire feeding process and the coil spring process. The prior spring machine, as disclosed in chinese patent publication No. CN206392764U, comprises a spring wire feeding mechanism, a spring cutting mechanism, a spring forming mechanism, a control main machine, a fixed frame plate and a workbench. The spring forming mechanism comprises a forming cutter assembly, an outer diameter forming control assembly, a bevel forming control assembly and a forming transmission assembly. The outer diameter forming control assembly comprises an outer diameter changing cam, an outer diameter changing lever connected with the outer diameter changing cam and a forming lever connected with the outer diameter changing lever; the middle part of the outer diameter changing lever is hinged with the fixed frame plate, one end of the outer diameter changing lever is connected with the outer diameter changing cam, the other end of the outer diameter changing lever is contacted with the forming lever, and the outer diameter changing lever presses down the forming lever to adjust the position of the forming lever; one end of the forming lever is hinged with the fixed frame plate, and the other end of the forming lever is connected with the forming sliding block so as to push the forming sliding block to adjust the forming position of the forming cutter and control the outer diameter forming.

In the prior art, the movement of two shaping levers is driven through independent actuating mechanism respectively, so need accurate control to and the part cooperation of high accuracy just can realize synchronous motion, with high costs, and the asynchronous condition appears easily, influences spring shaping quality.

Disclosure of Invention

There is above-mentioned technical problem to prior art, the utility model provides a slight spring make-up machine's line footpath control mechanism.

In order to achieve the above object, the utility model provides a following technical scheme:

the wire diameter control mechanism of the fine spring forming machine comprises a bottom plate, an upper forming assembly and a lower forming assembly, wherein the upper forming assembly comprises an upper sliding seat and an upper forming lever, the upper sliding seat is slidably arranged on the bottom plate, and the upper forming lever is arranged on the upper sliding seat; the lower forming assembly comprises a lower sliding seat and a lower forming lever, the lower sliding seat is slidably arranged on the bottom plate, and the lower forming lever is arranged on the lower sliding seat; the upper forming lever and the lower forming lever are arranged in a V shape in a separated mode; the bottom plate is provided with a driving mechanism for driving the upper sliding seat to slide along a preset track, and a linkage rod is arranged between the upper sliding seat and the lower sliding seat so that the upper sliding seat and the lower sliding seat can slide synchronously.

Specifically, actuating mechanism includes motor and cam, and the cam is fixed in the output shaft of motor, goes up the sliding seat and is equipped with the runner of going up that can free rotation, and the outside of cam supports runner of going up.

Specifically, the lower sliding seat is provided with a lower rotating wheel which can rotate freely, one end of the linkage rod is fixed on the upper sliding seat, and the other end of the linkage rod abuts against the lower rotating wheel.

Specifically, the end parts of the upper forming lever and the lower forming lever, which are close to each other, are provided with wire guiding grooves.

Specifically, go up the shaping subassembly and still include bearing seat, go up the shaping lever and be fixed in bearing seat, bearing seat rotationally installs in last slide, and bearing seat is equipped with extension spring and ejector pin, and extension spring and ejector pin exert pulling force and thrust to bearing seat respectively to make bearing seat by spacing.

Specifically, the ejector rod is a bolt, and the ejector rod is in threaded connection with the peripheral mechanism and abuts against the bearing seat, so that the rotary ejector rod can rotate to adjust the bearing seat.

Specifically, go up the shaping lever and include basic festival section and shaping festival section, basic festival section is fixed in the bearing seat, and shaping festival section detachably is fixed in basic festival section.

Specifically, the back of upper sliding seat and lower sliding seat all is equipped with sliding fit's direction slide rail, and the direction slide rail is fixed in the bottom plate.

The utility model has the advantages that:

the utility model discloses a slight spring make-up machine's line footpath control mechanism compares with prior art, goes up and realizes the synchronous slip through the gangbar between slide and the lower slide, only need to go up the slide set up actuating mechanism can, with low costs, can ensure synchronous motion, and then the control accuracy of guarantee spring external diameter.

Drawings

FIG. 1 is a schematic structural diagram of a wire diameter control mechanism of a fine spring forming machine in an embodiment.

Fig. 2 is another schematic view of the wire diameter control mechanism of the fine spring forming machine according to the embodiment, with the bottom plate hidden.

Fig. 3 is an enlarged view at a of fig. 2.

Fig. 4 is a schematic structural view of the upper molding assembly in an embodiment, in which the upper slide is hidden.

Reference numerals are as follows:

a base plate 1;

the upper forming component 2, an upper sliding seat 21, an upper forming lever 22, a base segment 221, a forming segment 222, an upper rotating wheel 23, a supporting seat 24, a tension spring 25, a mandril 26 and a cam 27;

the lower forming component 3, the lower slide seat 31, the lower forming lever 32 and the lower runner 33;

a linkage rod 4, a wire guide groove 5 and a guide slide rail 6.

Detailed Description

The present invention will be described in detail with reference to the following embodiments and accompanying drawings.

The wire diameter control mechanism of the fine spring forming machine of the present embodiment, as shown in fig. 1 to 4, comprises a bottom plate 1, an upper forming assembly 2 and a lower forming assembly 3, wherein the upper forming assembly 2 comprises an upper slide 21 and an upper forming lever 22, the upper slide 21 is slidably mounted on the bottom plate 1, and the upper forming lever 22 is mounted on the upper slide 21. The bottom plate 1 is provided with a driving mechanism for driving the upper sliding seat 21 to slide along a preset track, the driving mechanism comprises a motor and a cam 27, the cam 27 is fixed on an output shaft of the motor, the upper sliding seat 21 is provided with an upper rotating wheel 23 capable of freely rotating, the outer side of the cam 27 is propped against the upper rotating wheel 23, and the upper rotating wheel 23 and the upper sliding plate can be driven to move in a smaller range towards a direction far away from or close to the cam 27 when the cam 27 rotates.

The lower forming assembly 3 comprises a lower slide 31 and a lower forming lever 32, the lower slide 31 is slidably mounted on the base plate 1, and the lower forming lever 32 is mounted on the lower slide 31, similar to the structure of the upper forming assembly 2. The upper forming lever 22 and the lower forming lever 32 are arranged in a spaced V-shape; a linkage rod 4 is arranged between the upper sliding seat 21 and the lower sliding seat 31, the lower sliding seat 31 is provided with a lower rotating wheel 33 capable of rotating freely, one end of the linkage rod 4 is fixed on the upper sliding seat 21, and the other end of the linkage rod 4 supports against the lower rotating wheel 33, so that the upper sliding seat 21 and the lower sliding seat 31 can slide synchronously. The upper carriage 21 and the lower carriage 31 are each provided with a return spring to hold the upper turning wheel 23 of the upper carriage 21 against the cam 27.

In this embodiment, the wire guide slot 5 is disposed at the end portion of the upper forming lever 22 close to the lower forming lever 32, the steel wire is first embedded in the wire guide slot 5 of the lower forming lever 32 when passing through, and then the wire guide slot 5 of the upper forming lever 22 is tilted upward, so that the steel wire moves along the arc-shaped track to form a spiral shape, and the distance between the end portions of the upper forming lever 22 and the lower forming lever 32 determines the wire diameter of the spring.

In this embodiment, the upper forming assembly 2 further includes a bearing seat 24, the upper forming lever 22 is fixed to the bearing seat 24, the bearing seat 24 is rotatably mounted on the upper slide seat 21, the bearing seat 24 is provided with a tension spring 25 and a top rod 26, one end of the tension spring 25 is fixed to the bearing seat 24, and the other end is fixed to the peripheral structure, so as to pull the bearing seat 24; the push rod 26 is a bolt, the push rod 26 is in threaded connection with the peripheral mechanism and pushes against the bearing seat 24 to apply thrust to the bearing seat 24, so that the pull force of the tension spring 25 and the thrust of the push rod 26 are balanced with each other, the bearing seat 24 is limited, and the rotary push rod 26 can rotate to adjust the bearing seat 24. The bearing bracket 24 is provided with a semicircular groove, and the upper forming lever is partially embedded in the semicircular groove.

In practice, it can be further refined that the upper shaping lever 22 is divided into two continuous segments, including a base segment 221 and a shaping segment 222, the base segment 221 is fixed on the support seat 24, and the shaping segment 222 is detachably fixed on the base segment 221 through threads, so as to facilitate the replacement of the shaping segment 222 with different specifications.

In this embodiment, the back surfaces of the upper sliding seat 21 and the lower sliding seat 31 are both provided with a guide sliding rail 6 in sliding fit, and the guide sliding rail 6 is fixed on the bottom plate 1, so that the upper sliding seat 21 and the lower sliding seat 31 can slide directionally.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A wire diameter control mechanism of a fine spring forming machine is characterized in that: the upper forming assembly comprises an upper sliding seat and an upper forming lever, the upper sliding seat is slidably arranged on the bottom plate, and the upper forming lever is arranged on the upper sliding seat; the lower forming assembly comprises a lower sliding seat and a lower forming lever, the lower sliding seat is slidably arranged on the bottom plate, and the lower forming lever is arranged on the lower sliding seat; the upper forming lever and the lower forming lever are arranged in a V shape in a separated mode; the bottom plate is provided with a driving mechanism for driving the upper sliding seat to slide along a preset track, and a linkage rod is arranged between the upper sliding seat and the lower sliding seat so that the upper sliding seat and the lower sliding seat can slide synchronously.

2. The wire diameter control mechanism of a fine spring molding machine as claimed in claim 1, wherein: the driving mechanism comprises a motor and a cam, the cam is fixed on an output shaft of the motor, an upper sliding seat is provided with an upper rotating wheel capable of freely rotating, and the outer side of the cam abuts against the upper rotating wheel.

3. The wire diameter control mechanism of a fine spring forming machine as claimed in claim 2, wherein: the lower sliding seat is provided with a lower rotating wheel which can rotate freely, one end of the linkage rod is fixed on the upper sliding seat, and the other end of the linkage rod supports against the lower rotating wheel.

4. The wire diameter control mechanism of a fine spring forming machine as claimed in claim 1, wherein: the end parts of the upper forming lever and the lower forming lever, which are close to each other, are provided with wire grooves.

5. The wire diameter control mechanism of a fine spring forming machine as claimed in claim 1, wherein: go up the shaping subassembly and still include bearing seat, go up the shaping lever and be fixed in bearing seat, bearing seat rotationally installs in the top slide, and bearing seat is equipped with extension spring and ejector pin, and extension spring and ejector pin exert pulling force and thrust to bearing seat respectively to make bearing seat by spacing.

6. The wire diameter control mechanism of a fine spring molding machine as claimed in claim 5, wherein: the ejector pin is the bolt, and ejector pin threaded connection is in peripheral mechanism and withstands the bearing seat to make rotatory ejector pin can rotate the adjustment bearing seat.

7. The wire diameter control mechanism of a fine spring molding machine as claimed in claim 5, wherein: go up the shaping lever and include basic festival section and shaping festival section, basic festival section is fixed in the bearing seat, and shaping festival section detachably is fixed in basic festival section.

8. The wire diameter control mechanism of a fine spring molding machine as claimed in claim 1, wherein: the back of the upper sliding seat and the back of the lower sliding seat are both provided with guide sliding rails in sliding fit, and the guide sliding rails are fixed on the bottom plate.