CN116037734A

CN116037734A - Spring plate bending equipment and spring plate bending method

Info

Publication number: CN116037734A
Application number: CN202210952010.XA
Authority: CN
Inventors: 张爱林; 赵山; 廉哲
Original assignee: Suzhou Lianxun Instrument Co ltd
Current assignee: Suzhou Lianxun Instrument Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-05-02
Anticipated expiration: 2042-08-09
Also published as: CN116037734B

Abstract

The invention provides elastic piece bending equipment and an elastic piece bending method, and belongs to the technical field of elastic piece bending. This shell fragment equipment of bending includes: a base; the fixing clamp is fixed at the base and comprises a first clamping block and a second clamping block, a fixed elastic sheet is arranged between the first clamping block and the second clamping block, and mutually matched limiting features are further arranged between the first clamping block and the second clamping block and used for limiting the root of the extending arm to be inclined towards a preset direction; a drawing apparatus comprising: the pressing block assembly is clamped at the position of the extending arm, which is away from the root of the extending arm by a preset distance; the clamping mechanism is used for applying preset pressing force to the pressing block assembly; the first sliding component is used for driving the pressing block component to move along a first direction relative to the base, so that the pressing block component can draw the extending arm along the first direction. The elastic sheet bending equipment can save the manufacturing cost of the elastic sheet.

Description

Spring plate bending equipment and spring plate bending method

Technical Field

The invention relates to the technical field of spring bending, in particular to spring bending equipment and a spring bending method.

Background

The elastic piece is often needed in the field of the clamp of the chip, the elastic force of the elastic piece is utilized to compress the chip, and the elastic characteristic of the elastic piece can ensure the positioning of the chip and does not damage the chip.

In the prior art, the spring plate is generally manufactured in a stamping mode, and a special stamping module and stamping equipment are needed, so that the problem of high manufacturing cost of the spring plate exists.

Disclosure of Invention

An object of the first aspect of the present invention is to provide a spring bending apparatus, which can save manufacturing cost of a spring.

A further object of the invention is to achieve a quick and simple folding out of an arc of controllable folding length and folding radius.

An object of the second aspect of the present invention is to provide a spring bending method implemented by using the spring bending apparatus described in any one of the above.

In particular, the invention provides a spring plate bending device, comprising:

a base;

the fixing clamp is fixed at the base and comprises a first clamping block and a second clamping block, a spring piece is fixed between the first clamping block and the second clamping block, so that a plurality of extending arms on one side of the fixed spring piece are exposed out of one side of the fixing clamp, and limit features matched with each other are further arranged between the first clamping block and the second clamping block and used for limiting the root parts of the extending arms to be inclined towards a preset direction;

a drawing apparatus comprising:

the pressing block assembly is clamped at the position of the extending arm, which is away from the root of the extending arm by a preset distance;

the clamping mechanism is used for applying preset pressing force to the pressing block assembly so that the pressing block assembly presses the protruding arm;

the first sliding component is used for driving the pressing block component to move along a first direction relative to the base, so that the pressing block component can draw the extending arm along the first direction, and the extending arm can form a bending shape.

Optionally, the fixing clamp extends along a second direction, and the plurality of protruding arms are sequentially arranged along the second direction;

the elastic piece bending equipment further comprises a second sliding component which is used for realizing the movement of the fixed clamp relative to the base along the second direction, so that the drawing device draws each extending arm in sequence.

Optionally, the limit feature comprises:

the plurality of abdication grooves are arranged on one side of the first clamping block, which is exposed out of the extending arm, and each abdication groove is arranged corresponding to each extending arm;

the protruding blocks are arranged on the side face, facing the first clamping block, of the second clamping block, and each protruding block is arranged corresponding to each protruding arm and used for pressing the root of each protruding arm and enabling the root of each protruding arm to incline towards the preset direction.

Optionally, the briquette assembly includes:

the first pressing block and the second pressing block are formed with mutually matched pressing inclined planes at the same ends of the first pressing block and the second pressing block and are used for pressing the extending arms.

Optionally, one side of the first pressing block is connected with the first sliding component;

one end of the second pressing block, which is far away from the elastic piece, is rotationally connected with the first pressing block, so that the extending arm is arranged between the first pressing block and the second pressing block.

Optionally, a strip-shaped hole is formed in the second pressing block;

the briquetting assembly further comprises a first fastener which passes through the strip-shaped hole and is fixedly connected with the first briquetting, and a limiting boss is arranged at the position, away from the first briquetting, of the first fastener and used for limiting the rotation angle of the second briquetting relative to the first briquetting.

Optionally, the crimping mechanism is an elbow clamp for compressing the second pressing block.

Optionally, the first sliding assembly comprises:

the first fixing seat is fixed at the base;

the first sliding block is fixedly connected with the first pressing block, and the first sliding block is in sliding connection with the first fixing seat;

the first limiting rod is arranged at the first fixing seat and can move back and forth along the first direction relative to the first fixing seat;

the second limiting rod is arranged at the first fixing seat and can move back and forth along the first direction relative to the first fixing seat; wherein, the liquid crystal display device comprises a liquid crystal display device,

the first limiting rod and the second limiting rod are respectively arranged at two ends of the first sliding block and used for limiting the sliding stroke of the first sliding block.

In particular, the invention also provides a spring plate bending method realized by using the spring plate bending equipment, which comprises the following steps:

providing a spring plate, wherein one side of the spring plate is provided with a plurality of extending arms;

controlling the fixing clamp to fix the elastic sheet;

controlling the pressing block assembly of the drawing device to clamp the extending arm at the position of the extending arm at a preset distance from the root of the extending arm;

controlling the clamping mechanism to apply a preset pressing force to the pressing block assembly so that the pressing block assembly presses the extending arm;

and controlling the first sliding assembly to drive the pressing block assembly to move along a first direction relative to the base, so that the pressing block assembly can draw the extending arm along the first direction, and the extending arm can form a bent shape.

Optionally, the step of controlling the fixing clamp to fix the elastic sheet includes:

manufacturing the elastic sheet through a laser cutting process;

the step of controlling the first sliding component to drive the pressing block component to move along the first direction relative to the base further comprises the following steps:

and controlling the fixing clamp to move to a bending working position along the second direction relative to the base, so that the drawing device draws each extending arm in sequence.

According to one embodiment of the invention, a novel bending device for a spring plate is provided, the spring plate is fixed by arranging a fixing clamp, a stretching arm to be bent on the spring plate is exposed out of one side of the fixing clamp, the root of the stretching arm is limited to be in an inclined posture by the limiting feature of a pressing block assembly, and after the stretching arm is pressed by a clamping mechanism, the clamped stretching arm is driven to move by a first sliding assembly, so that bending of the stretching arm is completed. The bending equipment does not need to bend the elastic sheet in a stamping mode like the prior art, so that the manufacturing cost is lower.

According to one embodiment of the invention, a second sliding assembly for realizing the movement of the fixing clamp relative to the base is arranged, so that the fixing clamp can move with the elastic sheet, and the drawing device bends each extending arm in turn, thereby improving bending efficiency.

According to the embodiment of the invention, the first clamping block and the second clamping block are detachably connected, so that after the extending arm on one side of the elastic sheet is bent, the elastic sheet can be repositioned to the second clamping block, and the extending arm on the other side is exposed out of one side, close to the pressing block assembly, of the fixing clamp, so that the extending arm on the other side is bent, the bending function of bending equipment is increased, and the bending of the extending arms on two sides of the elastic sheet can be completed through one bending equipment.

According to the embodiment of the invention, the final bending length and bending radius of the extending arm can be controlled by controlling the moving distance and moving direction of the pressing block assembly, the pressing position of the pressing block assembly at the extending arm and the size of the limiting feature, namely, the elastic piece bending equipment can rapidly and simply bend an arc with controllable bending length and bending radius.

According to one embodiment of the present invention, the first fixing base is connected to the base through a fastener, and the angle, i.e. the first direction, of the first fixing base can be adjusted by adjusting the setting position of the fastener. Therefore, the spring plate bending device is suitable for spring plates with different angles of various extending arms, and the universality of the spring plate bending device is improved.

The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic structural view of a spring bending apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a front view of a spring bending apparatus (with a first clamping block removed) according to one embodiment of the invention;

FIG. 4 is a partial enlarged view at B in FIG. 3;

FIG. 5 is a partial top view of a clip and spring of a spring bending apparatus according to one embodiment of the present invention;

FIG. 6 is an assembled side view of a stationary fixture, a second slide assembly and a base of a spring bending apparatus according to one embodiment of the present invention;

FIG. 7 is a schematic view of a partial structure of a limit feature of a spring bending apparatus according to one embodiment of the present invention;

FIG. 8 is a schematic structural view of a drawing device of a spring bending apparatus according to an embodiment of the present invention;

fig. 9 is a schematic side view of a drawing device of a spring bending apparatus according to an embodiment of the present invention.

Reference numerals:

100-shell fragment bending equipment, 10-base, 20-mounting fixture, 21-first clamp splice, 211-groove of stepping down, 22-second clamp splice, 221-lug, 222-first plane, 223-second plane, 224-locating pin, 23-second fastener, 30-briquetting subassembly, 31-first briquetting, 311-first inclined plane, 32-second briquetting, 321-second inclined plane, 322-third plane, 323-bar hole, 33-pivot, 34-first fastener, 341-spacing boss, 40-clamping mechanism, 41-toggle clamp, 411-operating handle, 50-first slide subassembly, 51-first fixing base, 511-first slide rail, 52-first slider, 53-first spacing lever, 54-second spacing lever, 60-second slide subassembly, 61-second fixing base, 611-second slide rail, 62-second slider, 621-second slide rail, 200-shell fragment, 201-extension arm.

Detailed Description

Fig. 1 is a schematic structural view of a spring bending apparatus 100 according to an embodiment of the present invention. Fig. 3 is a front view of the spring bending apparatus 100 (with the first clamping block 21 removed) according to one embodiment of the present invention. Fig. 4 is a partial enlarged view at B in fig. 3. Fig. 5 is a partial top view of the fixing clip 20 and the spring 200 of the spring bending apparatus 100 according to an embodiment of the present invention. As shown in fig. 1, in one embodiment, the spring bending apparatus 100 includes a base 10, a fixing jig 20, and a drawing device. The base 10 is a fixedly arranged component. The fixing clamp 20 is fixed at the base 10, and the fixing clamp 20 includes a first clamping block 21 and a second clamping block 22, and a spring plate 200 (see fig. 3) is fixed between the first clamping block 21 and the second clamping block 22, so that a plurality of protruding arms 201 on one side of the fixed spring plate 200 are exposed on one side of the fixing clamp 20. The shape of the spring plate 200 can be seen in fig. 3, and before the spring plate 200 is placed in the bending device to be bent, the spring plate 200 can be cut into a semi-finished product shown in fig. 3 by a laser cutting mode, that is, a plurality of extending arms 201 are formed on two sides. As shown in fig. 5, a mutually matched limiting feature is further provided between the first clamping block 21 and the second clamping block 22 for limiting the root of the projecting arm 201 to an attitude inclined toward a preset direction. The drawing device includes a press block assembly 30, a clamping mechanism 40, and a first slide assembly 50. As shown in fig. 4, the press block assembly 30 is clamped at a position of the projecting arm 201 at a preset distance from the root thereof. The clamping mechanism 40 is used to apply a preset pressing force to the press block assembly 30 so that the press block assembly 30 presses the pressing of the projecting arm 201. The first sliding assembly 50 is configured to move the press block assembly 30 relative to the base 10 along a first direction, so that the press block assembly 30 draws the protruding arm 201 along the first direction, and further the protruding arm 201 forms a bent shape (see fig. 1).

The embodiment provides a new bending device for a spring plate 200, which is characterized in that a fixing clamp 20 is arranged to fix the spring plate 200 in a positioning manner, a protruding arm 201 to be bent on the spring plate 200 is exposed out of one side of the fixing clamp 20, then the root of the protruding arm 201 is limited to be in an inclined posture through the limiting feature of a pressing block assembly 30, and after the protruding arm 201 is pressed by a clamping mechanism 40, the clamped protruding arm 201 is driven to move through a first sliding assembly 50, so that bending of the protruding arm 201 is completed. The bending equipment does not need to bend the elastic sheet 200 in a stamping mode like the prior art, so the manufacturing cost is lower.

Fig. 6 is an assembled side view of the fixing clip 20, the second slide assembly 60 and the base 10 of the spring bending apparatus 100 according to one embodiment of the present invention. As shown in fig. 3, in one embodiment, the fixing jig 20 extends in the second direction, and the plurality of protruding arms 201 are arranged in order in the second direction. The spring bending apparatus 100 further includes a second sliding assembly 60 for moving the fixing clamp 20 along the second direction relative to the base 10, so that the drawing device draws each of the extending arms 201 in turn. As shown in fig. 6, in one embodiment, the second sliding assembly 60 includes a second sliding block 62 and a second fixing base 61, where the second fixing base 61 is fixed at the base 10, and a side of the second fixing base 61 away from the base 10 is provided with a convex second sliding rail 611, such as a dovetail-shaped sliding rail, and the second sliding block 62 is provided with a second sliding groove 621 that forms a sliding connection with the second sliding rail 611. The second slider 62 is fixedly connected to the fixing clamp 20, for example, to the second clamping block 22.

The second sliding assembly 60 for moving the fixing clamp 20 relative to the base 10 is provided in this embodiment, so that the fixing clamp 20 can move with the elastic sheet 200, so that the drawing device bends each of the extending arms 201 in turn, thereby improving bending efficiency.

Further, in order to ensure accuracy in manual operation, a scale may be provided at the second sliding assembly 60, for example, at the second fixing base 61, so that the movement amount of the fixing jig 20 is conveniently and precisely controlled, and the positional accuracy in bending the extension arm 201 is ensured.

In a further embodiment, as shown in fig. 3, a plurality of positioning holes may be formed on the spring 200, and positioning pins 224 matching with the positioning holes are formed on the second clamping block 22 to position the spring 200. The second clamping block 22 and the first clamping block 21 can be connected through a fastener so as to realize detachable connection of the two. As in fig. 1, the first clamp block 21 and the second clamp block 22 are connected by a plurality of second fasteners 23, and the cap portion of the second fasteners 23 may be provided in a large disc shape for a user to operate when tightening.

In this embodiment, the first clamping block 21 and the second clamping block 22 are detachably connected, so that after the extending arm 201 on one side of the elastic sheet 200 is bent, the elastic sheet 200 can be repositioned to the second clamping block 22, so that the extending arm 201 on the other side is exposed on one side of the fixing clamp 20, which is close to the pressing block assembly 30, so as to bend the extending arm 201 on the other side, thereby increasing the bending function of the bending device, and bending the extending arms 201 on two sides of the elastic sheet 200 can be completed by one bending device.

Fig. 2 is a partial enlarged view at a in fig. 1. Fig. 7 is a schematic partial structural view of a limiting feature of the spring bending apparatus 100 according to an embodiment of the present invention. As shown in fig. 7, the stop feature includes a plurality of relief grooves 211 and a plurality of bumps 221. The plurality of relief grooves 211 are disposed on one side of the first clamping block 21 exposing the protruding arms 201, and each relief groove 211 is disposed corresponding to each protruding arm 201. The plurality of protruding blocks 221 are disposed on the side of the second clamping block 22 facing the first clamping block 21, and each protruding block 221 is disposed corresponding to each protruding arm 201, for pressing the root of the protruding arm 201 and making the root of the protruding arm 201 incline towards the preset direction. In one embodiment, as shown in fig. 2, referring also to fig. 7, the surface of the bump 221 is formed with a first plane 222 that is attached to the root of the protruding arm 201 and a second plane 223 that is parallel to the second direction, and the flat second plane 223 can prevent the hanging damage to the spring plate 200.

As shown in fig. 2, in one embodiment, the compact assembly 30 includes a first compact 31 and a second compact 32. The same ends of the first and second

pressing blocks

31 and 32 are formed with mutually matched pressing slopes for pressing the projecting arms 201. The briquette assembly 30 may form numerous small folds at the projecting arm 201 when moved. Specifically, as shown in fig. 2, the first pressing block 31 is formed with a first inclined surface 311, the second pressing block 32 is formed with a second inclined surface 321 matching with the first inclined surface 311, the second pressing block 32 is further formed with a third plane 322 at the end portion thereof far from the first inclined surface 311, so that a triangle area is formed between the second pressing block 32 and the first inclined surface 311, and when the pressing block assembly 30 is moved by pressing the protruding arm 201, the end portion of the protruding arm 201 can have a certain deformation space, and in addition, the first inclined surface 311 and the second inclined surface 321 are arranged, the protruding arm 201 can form an arc-shaped bending shape.

The final bending length and bending radius of the extending arm 201 can be controlled by controlling the moving distance and moving direction of the pressing block assembly 30, the pressing position of the pressing block assembly 30 at the extending arm 201 and the size of the limiting feature, namely, the elastic piece bending equipment 100 can rapidly and simply bend out an arc with controllable bending length and bending radius.

Fig. 8 is a schematic structural view of a drawing device of the spring bending apparatus 100 according to an embodiment of the present invention. As shown in fig. 8, in one embodiment, one side of the first press block 31 is connected to the first sliding assembly 50. The end of the second press block 32 remote from the spring 200 is in rotational connection with the first press block 31 so that the projecting arm 201 is arranged between the first press block 31 and the second press block 32. As shown in fig. 8, the first pressing block 31 and the second pressing block 32 are connected by a rotation shaft 33.

The present embodiment allows one side of the press block assembly 30 to form an opening by providing the first press block 31 and the second press block 32 to be rotatably coupled so as to clamp the projecting arm 201.

In a further embodiment, as shown in fig. 8, a bar-shaped hole 323 is provided at the second pressing block 32. The press block assembly 30 further comprises a first fastener 34, which is fixedly connected with the first press block 31 after passing through the bar-shaped hole 323, wherein a limiting boss 341 is arranged at a position, away from the first press block 31, of the first fastener 34, and is used for limiting the rotation angle of the second press block 32 relative to the first press block 31.

In one embodiment, as shown in fig. 8, the crimping mechanism is an elbow clamp 41 for crimping the second press 32. The toggle clamp 41 may be a toggle clamp commonly used in the art and will not be described in detail herein. The state of compression self-locking and contact compression can be formed by operating the operating handle 411 of the toggle clamp 41.

Fig. 9 is a schematic side view of a drawing device of the spring bending apparatus 100 according to an embodiment of the present invention. As shown in fig. 9, in one embodiment, the first sliding assembly 50 includes a first fixing base 51, a first slider 52, a first limit lever 53, and a second limit lever 54. The first fixing base 51 is fixed at the base 10. The first slider 52 is fixedly connected with the first pressing block 31, the first slider 52 and the first fixing seat 51 form a sliding connection, for example, in the embodiment shown in fig. 9, a first sliding rail 511 is disposed at the first fixing seat 51, a first sliding groove matched with the first sliding rail 511 is disposed at the first slider 52, and similarly, the first sliding groove may be a dovetail groove. The first limiting rod 53 is disposed at the first fixing seat 51 and can move back and forth along a first direction relative to the first fixing seat 51. The second limiting rod 54 is disposed at the first fixing seat 51 and can move back and forth along the first direction relative to the first fixing seat 51. The first limiting rod 53 and the second limiting rod 54 are respectively disposed at two ends of the first slider 52, for limiting the sliding travel of the first slider 52. The first and

second stopper rods

53 and 54 may be threaded rods that form a threaded connection with the first fixing base 51.

In one embodiment, the first fixing base 51 is connected to the base 10 by a fastener, and the angle, that is, the first direction, of the first fixing base 51 can be adjusted by adjusting the setting position of the fastener. Thereby adapting to the spring pieces 200 with different angles of the various extending arms 201, and improving the universality of the spring piece bending equipment 100.

The invention also provides a method for bending the elastic sheet 200 by using the elastic sheet bending device 100 in any embodiment or combination of embodiments, and in one embodiment, the method comprises the following steps:

in step S100, a spring 200 is provided, and a plurality of protruding arms 201 are disposed on one side of the spring 200.

In this step, the spring plate 200 may be manufactured by a laser cutting process.

In step S200, the fixing clamp 20 is controlled to fix the spring plate 200.

In step S300, the press block assembly 30 of the drawing device is controlled to clamp the projecting arm 201 at a position of the projecting arm 201 at a preset distance from the root thereof.

In step S400, the clamping mechanism 40 is controlled to apply a preset pressing force to the press block assembly 30 so that the press block assembly 30 presses the pressing of the projecting arm 201.

In step S500, the first sliding assembly 50 is controlled to drive the press block assembly 30 to move along the first direction relative to the base 10, so that the press block assembly 30 draws the extension arm 201 along the first direction, and the extension arm 201 forms a bent shape.

In a further embodiment, step S500 further includes:

step S600, determining whether the currently bent extension arm 201 is the last one, if yes, ending the procedure, otherwise, entering step S700.

In step S700, the fixing clamp 20 is controlled to move to the bending position (i.e. the position where the extension arm 201 is located in step S300) along the second direction relative to the base 10, so that the drawing device draws each extension arm 201 in turn, i.e. returns to step S300 until the last extension arm 201 is bent.

After the bending of the extending arm 201 at one side of the spring 200 is finished, the fixing clamp 20 can be controlled to be opened manually or automatically, and then the spring 200 is turned over and positioned and fixed, so that the extending arm 201 at the other side of the spring 200 is placed at one side of the pressing block assembly 30, and the extending arm 201 at the other side is bent in sequence.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims

1. Spring plate equipment of bending, its characterized in that includes:

a base;

a drawing apparatus comprising:

2. The spring bending apparatus according to claim 1, wherein,

the fixed clamp extends along a second direction, and the plurality of the extending arms are sequentially arranged along the second direction;

3. The spring bending apparatus of claim 2, wherein the limit feature comprises:

4. A dome bending apparatus according to claim 3, wherein the press block assembly comprises:

5. The spring bending apparatus according to claim 4, wherein,

one side of the first pressing block is connected with the first sliding component;

6. The spring bending apparatus according to claim 5, wherein,

a strip-shaped hole is formed in the second pressing block;

7. The spring bending apparatus according to claim 6, wherein,

the crimping mechanism is an elbow clamp and is used for compressing the second pressing block.

8. The spring bending apparatus according to any one of claims 4-7, wherein the first slide assembly comprises:

the first fixing seat is fixed at the base;

9. A spring bending method achieved by the spring bending apparatus according to any one of claims 1 to 8, comprising:

controlling the fixing clamp to fix the elastic sheet;

10. The spring bending method according to claim 9, wherein the step of controlling the fixing jig to fix the spring includes:

manufacturing the elastic sheet through a laser cutting process;