CN212760652U - Automatic spring plate forming machine - Google Patents

Abstract

The utility model relates to an automatic spring plate forming machine, include and set gradually feeding mechanism, levelling mechanism, shutdown mechanism, bend mechanism and ejection mechanism according to the process order, the plate wire rod conveys to levelling mechanism through feeding mechanism, and levelling mechanism conveys to the shutdown mechanism after leveling the plate wire rod on, and after shutdown mechanism cut off the plate wire rod, the mechanism of bending is bent the shaping to the plate wire rod section of being cut off again, and the product after the shaping is ejecting by ejection mechanism at last. The utility model discloses in, need not artifical transport, adopt automatic operation in the forming process of bending of plate wire rod, the product shaping is fast, and production efficiency is high. Because the utility model discloses a processing technology of plate wire material, consequently, the shaping precision of product is high, and no waste material produces, and is with low costs.

Description

Automatic spring plate forming machine

Technical Field

The utility model relates to a shell fragment shaping technical field, in particular to shell fragment automatic molding machine.

Background

The hardware elastic sheet can be widely applied to various industries such as automobiles, electronics, aviation and the like, so that the demand is increasing. At present, the common elastic sheets in the market are usually processed by firstly performing die punch forming on a large plate and then manually conveying the large plate to a forming and rounding machine for reprocessing.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an automatic spring plate forming machine, include that feeding mechanism, leveling mechanism, shutdown mechanism, bending mechanism and ejection mechanism set gradually according to the process order:

the feeding mechanism comprises a feeding supporting block and a feeding cover plate, wherein a conveying groove matched with the width of the plate wire is formed in the upper surface of the feeding supporting block, the feeding cover plate covers the conveying groove, and the plate wire is conveyed to the leveling mechanism along the conveying groove;

the flattening mechanism comprises a support frame and a pressing plate, a flattening platform is arranged on the support frame, and the pressing plate is arranged on the support frame and positioned above the flattening platform and can flatten the plate wire on the flattening platform;

the cutting mechanism comprises a cutting female die, a cutting fixed block, a cutting male die and a cutting cylinder, the cutting female die and the cutting fixed block are both fixedly arranged on the front surface of a base, and the cutting fixed block is positioned above the cutting female die; the cutting male die is fixedly connected with a piston rod of the cutting cylinder, and the cutting male die can cut off the plate wire on the cutting female die through the cutting fixing block;

the bending mechanism comprises a forming fixing block and a plurality of forming cutters, the forming fixing block is arranged on the front side of the base, the forming cutters are distributed on the periphery of the forming fixing block, and the forming cutters are driven by a servo motor and can push the plate wire in the direction of the forming fixing block to tightly press the plate wire and form the plate wire on the forming fixing block;

the ejection mechanism comprises an ejection cylinder and an ejection block, the ejection cylinder is located on the back of the base and is in driving connection with the ejection block, and the ejection block can penetrate through the base and eject out a molded product on the molding fixed block.

Preferably, the support frame is fixedly provided with a mounting plate, the mounting plate is positioned above the leveling platform, the mounting plate is provided with a through groove penetrating through the upper end surface and the lower end surface of the mounting plate, and a mounting sleeve is slidably arranged in the through groove; the outer side of the upper end of the mounting sleeve is fixedly provided with a mounting arm, and the mounting arm is arranged above the mounting plate through a spring screw;

the two side walls of the lower section of the mounting sleeve are provided with stroke sockets, the pressing plate is positioned below the mounting sleeve, and the upper end of the pressing plate can move up and down along the stroke sockets through a pin;

the inner wall of the mounting sleeve is provided with threads, an adjusting bolt extends into the mounting sleeve from the upper end of the mounting sleeve and is in threaded connection with the mounting sleeve, and the adjusting bolt can abut against the upper end of the pressing plate.

Preferably, the back of the cutting male die is convexly provided with a positioning block, the base is provided with an accommodating groove for accommodating the positioning block, the lower end face of the positioning block is elastically connected with the lower groove wall of the accommodating groove through a return spring, and the upper end face of the positioning block can abut against the upper groove wall of the accommodating groove.

Preferably, the cutting fixed block is provided with a guide groove which penetrates through the upper end surface and the lower end surface of the cutting fixed block, and the guide groove is communicated with the cutting female die;

one side of the cutting fixing block facing the base is provided with a notch, the notch is communicated with the guide groove, and the positioning block penetrates through the notch and extends into the accommodating groove.

Preferably, the groove wall of the guide groove and the outer side wall of the cutting male die are correspondingly provided with a guide block and a guide groove which are matched, and the guide block is positioned in the guide groove and can move up and down along the guide groove.

Preferably, the bending mechanism further comprises a horizontal positioning block, the horizontal positioning block is fixedly arranged on the front face of the base and is positioned on one side of the forming fixing block, which is far away from the cutting mechanism;

the upper end of the horizontal positioning block is provided with a horizontal positioning groove for horizontally supporting the plate wire, and the end part of the plate wire conveyed to the horizontal positioning groove is abutted against the end wall of the horizontal positioning groove.

Preferably, the bottom of the horizontal positioning groove and the upper end face of the cutting female die are on the same horizontal line, and the distance from the end wall of the horizontal positioning groove to the forming fixed block is equal to the distance from the cutting center of the cutting female die to the forming fixed block.

Preferably, the front surface of the base is further provided with a plurality of forming cutter guide blocks, and the forming cutter can move along a guide groove formed by the two forming cutter guide blocks.

Preferably, the forming machine is suitable for processing and forming the non-closed heart-shaped elastic sheet, the outer contour of the forming fixed block is heart-shaped and comprises two symmetrical half-heart-shaped sections, each half-heart-shaped section comprises a lower end circular arc section and an upper end oblique line section which are connected, and the upper end oblique line section is positioned above the lower end circular arc section; the bottoms of the two semicircular sections are connected through a bent section, the bent section is upwards convex and comprises a bottom arc section and two bottom straight-line sections, and the two bottom straight-line sections are respectively connected to two sides of the bottom arc section and are respectively connected with the two lower end arc sections; the tops of the two upper inclined line segments are connected through a top straight line segment;

the knife edge of each forming knife is matched with the shape of each corresponding section of the outer contour of the forming fixing block.

Preferably, the ejection mechanism comprises a plurality of ejection blocks, the ejection blocks are all fixed on an ejection fixing plate, and the ejection fixing plate is positioned on the back of the base and is fixedly connected with a piston rod of the ejection cylinder;

the base is provided with a plurality of conduction grooves, the conduction grooves penetrate through the front face and the back face of the base and are distributed on the periphery of the forming fixed block, and the ejection block penetrates through the conduction grooves.

Compared with the prior art, the utility model discloses there are following technological effect:

the utility model discloses in, the plate wire rod conveys to levelling mechanism through feeding mechanism, and levelling mechanism conveys to cutting mechanism after leveling the plate wire rod, and after cutting mechanism cut off the plate wire rod, bending mechanism bent the shaping to the plate wire rod section of being cut off again, and the product after the shaping is ejecting by ejection mechanism at last. The utility model discloses in, need not artifical transport, adopt automatic operation in the forming process of bending of plate wire rod, the product shaping is fast, and production efficiency is high. The utility model discloses a processing technology of sheet wire rod, sheet metal wire rod are through the shutdown mechanism back of cutting off, and the mechanism of bending is bent the shaping to the sheet wire rod section of being cut off again, consequently, no waste material produces, and is with low costs, and the shaping precision of product is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts. In the drawings:

fig. 1 is a schematic structural view of an automatic spring piece forming machine according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of an automatic spring piece forming machine according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of a leveling mechanism according to a preferred embodiment of the present invention;

FIG. 4 is a cross-sectional view of a grading mechanism provided in a preferred embodiment of the present invention;

fig. 5 is an exploded view of a shut-off mechanism provided in a preferred embodiment of the present invention;

fig. 6 is an assembly view of a cutting mechanism according to a preferred embodiment of the present invention;

fig. 7 is a cross-sectional view of a cutting mechanism provided in a preferred embodiment of the present invention;

fig. 8 is a schematic structural diagram of a cut-off plate wire rod according to a preferred embodiment of the present invention;

fig. 9 is a perspective view of an unclosed heart-shaped spring piece according to a preferred embodiment of the present invention;

fig. 10 is a plan view of an unclosed heart-shaped spring piece according to a preferred embodiment of the present invention;

fig. 11 is a schematic structural diagram of an outer contour of a molding fixing block according to a preferred embodiment of the present invention;

fig. 12 and 13 are schematic structural views of an ejection mechanism according to a preferred embodiment of the present invention.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 13, and this embodiment is implemented on the premise of the technical solution of the present invention, and a detailed embodiment and a specific operation process are given, but the present invention is not limited to the following embodiments, and those skilled in the art can modify and color the present invention without changing the spirit and content of the present invention.

Referring to fig. 1 to 13, an automatic spring plate forming machine includes a feeding mechanism 2, a flattening mechanism 3, a cutting mechanism 4, a bending mechanism 5 and an ejection mechanism 7 sequentially arranged in sequence, a metal plate wire 1 is conveyed to the flattening mechanism 3 through the feeding mechanism 2, the flattening mechanism 3 flattens the plate wire 1 and conveys the flattened plate wire 1 to the cutting mechanism 4, the cutting mechanism 4 cuts the plate wire 1, the bending mechanism 5 bends and forms the cut plate wire segment, and the formed product is ejected by the ejection mechanism 7.

In this embodiment, the feeding mechanism 2 includes a feeding support block 22 and a feeding cover plate 21, a conveying groove matched with the width of the sheet wire 1 is formed in the upper surface of the feeding support block 22, the feeding cover plate 21 covers the conveying groove, and the sheet wire 1 is conveyed to the leveling mechanism 3 along the conveying groove. Since the sheet wires 1 are all coiled, the feeding deck 21 has a function of preliminarily leveling the sheet wires 1 in the feeding grooves in the present embodiment.

Referring to fig. 3 and 4, the leveling mechanism 3 further levels the plate wire 1, and includes a supporting frame 31 and a pressing plate 32, the supporting frame 31 is provided with a leveling platform 33, and the pressing plate 32 is disposed on the supporting frame 31 and above the leveling platform 33. In the present embodiment, when the feeding mechanism 2 conveys the plate wire 1 onto the leveling table 33, the pressing plate 32 is used for leveling the plate wire 1 on the leveling table 33.

In order to adapt to the plate wire 1 with different curling degrees, in the embodiment, the pressing plate 32 can be adjusted up and down, and the specific structure is that the supporting frame 31 is fixedly provided with the mounting plate 34, the mounting plate 34 is positioned above the flat platform 33, the mounting plate 34 is provided with a through groove penetrating through the upper end surface and the lower end surface of the mounting plate 34, and the mounting sleeve 35 is slidably arranged in the through groove; the outer side of the upper end of the mounting sleeve 35 is fixedly provided with a mounting arm 37, and the mounting arm 37 is arranged above the mounting plate 34 through a spring screw 39. The pressing plate 32 is movably connected below the mounting sleeve 35 and below the mounting plate 34. In this embodiment, by adjusting this spring screw 39, the height of the mounting sleeve 35, and thus the distance between the platen 32 and the leveling table 33, can be adjusted.

Further, the pressing plate 32 comprises a horizontal plate 321 and a vertical inserting plate 322, wherein the vertical inserting plate 322 is fixedly connected to the upper end surface of the horizontal plate 321, and forms a T-shaped structure with the horizontal plate 321. The stroke socket 351 has been seted up on the lower segment both sides wall of installation sleeve 35, and this stroke socket 351 has certain stroke height, and vertical picture peg 322 inserts in installation sleeve 35 from the lower extreme of installation sleeve 35 to connect on stroke socket 351 through a pin 38, this pin 38 runs through vertical picture peg 322 promptly, and two stroke sockets 351 are inserted respectively to the both ends of this pin 38, and pin 38 can reciprocate along this stroke socket 351, and then clamp plate 32 can reciprocate along installation sleeve 35. In the present embodiment, the pressing plate 32 presses the wire rod 1 on the leveling table 33 by its gravity.

When the bending degree of the plate wire 1 is relatively large, the plate wire 1 will jack up the pressing plate 32, and in order to ensure that the pressing plate 32 can flatten the plate wire 1, an adjusting bolt 36 is needed to limit the jack-up amplitude of the pressing plate 32 above the vertical inserting plate 322. That is, in this embodiment, the inner wall of the mounting sleeve 35 is further provided with threads, the adjusting bolt 36 extends into the mounting sleeve 35 from the upper end of the mounting sleeve 35 and is in threaded connection with the mounting sleeve 35, and when the pressing plate 32 is jacked up, the adjusting bolt 36 abuts against the upper end of the vertical insertion plate 322, so that the plate wire 1 can be flattened.

Referring to fig. 5 to 8, in the present embodiment, the cutting mechanism 4 includes a cutting die 41, a cutting fixing block 42, a cutting punch 43, and a cutting cylinder 44, the cutting die 41 and the cutting fixing block 42 are both fixedly mounted on the front surface of a base 6, and the cutting fixing block 42 is located above the cutting die 41; the cutting punch 43 is fixedly connected with a piston rod of the cutting cylinder 44, and the cutting punch 43 can cut the plate wire 1 on the cutting die 41 through the cutting fixing block 42.

In order to ensure that the cutting punch 43 can penetrate through the cutting fixing block 42 each time, the cutting punch 43 needs to be positioned. The specific structure is that a guide groove 421 penetrating through the upper and lower end faces of the cutting fixed block 42 is arranged on the cutting fixed block 42, the guide groove 421 is communicated with the cutting female die 41 up and down, and the lower end of the cutting male die 43 is inserted into the guide groove 421. One side of the cutting fixing block 42 facing the base 6 is provided with a notch, and the notch is communicated with the guide groove 421. A positioning block 45 is convexly arranged on the back surface (i.e. the surface facing the base 6) of the cutting convex die 43, an accommodating groove 61 for accommodating the positioning block 45 is formed in the base 6, and the positioning block 45 passes through the gap and extends into the accommodating groove 61. The lower end surface of the positioning block 45 is elastically connected with the lower groove wall of the accommodating groove 61 through a return spring 46, and the upper end surface of the positioning block 45 can abut against the upper groove wall of the accommodating groove 61. In the embodiment, the cutting cylinder 44 controls the on-off of the air passage of the cutting cylinder 44 through a solenoid valve, when the air passage is connected, the piston rod of the cutting cylinder 44 drives the cutting punch 43 to move downwards, the cutting punch 43 penetrates through the cutting fixing block 42 through the guide groove 421 to cut off the plate wire 1 on the cutting die 41, and in order to prevent the upper end of the cutting punch 43 from being separated from the guide groove 421, the lower groove wall of the accommodating groove 61 plays a role in preventing the cutting punch 43 from continuing to move downwards, that is, after the plate wire 1 is cut off by the cutting punch 43, the lower groove wall of the accommodating groove 61 prevents the cutting punch 43 from continuing to move downwards. In the present embodiment, after the cutting punch 43 cuts the plate wire 1, the cutting punch 43 is reset by the reset spring 46, that is, the reset spring 46 springs up the cutting punch 43, and when the upper end surface of the positioning block 45 abuts against the upper groove wall of the accommodating groove 61, the cutting punch 43 cannot move upwards, and at this time, the lower end of the cutting punch 43 is still located in the guide groove 421. In the present embodiment, the receiving groove 61 functions to prevent the cutting punch 43 from being detached from the cutting anchor 42.

In this embodiment, the guide groove 421 has a guiding function, that is, a guide block and a guide groove are correspondingly arranged on the groove wall of the guide groove 421 and the outer side wall of the cutting punch 43, and the guide block is located in the guide groove and can move up and down along the guide groove. As shown in fig. 5, as an example, a guide block 422 is vertically protruded on a groove wall of the guide groove 421, a guide groove 431 is vertically recessed on an outer side wall of the cutting punch 43, the guide block 422 is located in the guide groove 431, and the cutting punch 43 can move up and down along the guide block 422. Of course, the guide block is arranged on the outer side wall of the cutting convex die 43, the guide groove is arranged on the groove wall of the guide groove 421, and the guide function of the guide groove 421 can also be realized, and the utility model discloses do not specifically limit this.

Referring to fig. 1 and 2, the bending mechanism 5 includes a fixing block 51 and a plurality of forming knives, the fixing block 51 is installed on the front surface of the base 6, the forming knives are distributed on the periphery of the fixing block 51, each forming knife is driven by a servo motor, and the forming knives can push the plate and wire material towards the fixing block 51 by the driving of the servo motor, so as to press and form the plate and wire material on the fixing block 51.

The bending mechanism 5 further comprises a horizontal positioning block 52, and the horizontal positioning block 52 is fixedly arranged on the front surface of the base 6 and is positioned on one side of the forming fixing block 51, which is far away from the cutting mechanism 4;

the upper end of the horizontal positioning block 52 is provided with a horizontal positioning groove 521 for horizontally supporting the plate wire 1, and the end of the plate wire 1 conveyed to the horizontal positioning groove 521 abuts against the end wall 5211 of the horizontal positioning groove 521. Referring to fig. 1, in the present embodiment, the cutting mechanism 4 is located at the right side of the fixed molding block 51, and the horizontal positioning block 52 is located at the left side of the fixed molding block 51, so that the end wall 5211 of the horizontal positioning groove 521 is a left end wall. In the present embodiment, the upper end of the horizontal positioning groove 521 is open, and the right end thereof is open, that is, the horizontal positioning groove 521 has a horizontal groove bottom, a front groove wall, a rear groove wall and a left end wall, when the plate-wire rod 1 is conveyed to the bending mechanism 5, the plate-wire rod 1 is located on the horizontal groove bottom, that is, the horizontal groove bottom plays a role of supporting the plate-wire rod 1; the front groove wall and the rear groove wall are respectively positioned at the front side and the rear side of the bottom of the horizontal groove, and the distance between the front groove wall and the rear groove wall is consistent with the width of the plate wire 1; the left end wall is respectively connected with the bottom of the horizontal groove, the front groove wall and the rear groove wall, and is used for positioning the plate wire 1, namely when the plate wire 1 is conveyed to the left end from the right end of the bending mechanism 5, when the left end of the plate wire 1 is abutted against the left groove wall, the conveying is stopped, and at the moment, the cutting mechanism 4 can cut off the plate wire 1.

In this embodiment, the horizontal groove bottom of the horizontal positioning groove 521 is on the same horizontal line with the upper end surface of the cutting die 41, and the distance from the left end wall of the horizontal positioning groove 521 to the fixed molding block 51 is equal to the distance from the cutting center of the cutting die 41 to the fixed molding block 51, so as to ensure that the lengths of the sheet-wire rods 1 on both sides of the fixed molding block 51 are equal when the sheet-wire rods 1 are cut by the cutting mechanism 4.

In this embodiment, the front surface of the base 6 is further provided with a plurality of forming knife guide blocks 56, and the forming knife can move along the guide sliding groove formed by the two forming knife guide blocks 56. In order to simplify the installation structure on the base 6, in this embodiment, the horizontal positioning block 52 may serve as the forming knife guide blocks 56, each forming knife is respectively located between two of the forming knife guide blocks 56, and a guide sliding slot for the forming knife to slide is formed between the two forming knife guide blocks 56, that is, the forming knife slides along the corresponding guide sliding slot, so as to ensure that the moving directions of the forming knives are the same each time.

Referring to fig. 9 and 10, the forming machine is suitable for forming the non-closed heart-shaped elastic piece 8, in this embodiment, the non-closed heart-shaped elastic piece 8 includes two half heart-shaped sections 82 that are symmetrical left and right, and the half heart-shaped section 82 includes a circular arc section 821 and a diagonal section 822 that are connected. The two arc sections I821 are connected through a bending section 81, and the bending section 81 protrudes into the annular elastic sheet; the bent section 81 comprises a second arc section 811 and two straight line sections 812, wherein the two straight line sections 812 are respectively connected to two sides of the second arc section 811 and are respectively connected with the first arc sections 821; the other ends of the two oblique line segments 822 are respectively connected with a short straight line segment 83, the two short straight line segments 83 are arranged face to face and are not connected, and a gap is reserved between the two short straight line segments 83.

Referring to fig. 11, the outer contour of the fixed block 51 is adapted to the shape of the non-closed heart-shaped elastic sheet 8, that is, the outer contour of the fixed block 51 is heart-shaped, and includes two symmetrical half-heart-shaped sections 511, the half-heart-shaped section 511 includes a lower end circular arc section 5111 and an upper end oblique line section 5112 connected to each other, and the upper end oblique line section 5112 is located above the lower end circular arc section 5111; the bottoms of the two semicircular segments 511 are connected through a bent segment 512, the bent segment 512 is upwards convex and comprises a bottom arc segment 5121 and two bottom straight segments 5122, and the two bottom straight segments 5122 are respectively connected to two sides of the bottom arc segment 5121 and respectively connected with the two lower end arc segments 5111; the tops of the two upper oblique line segments 5112 are connected by a top straight line segment 513.

The plurality of forming knives are distributed around each forming fixing block 51, the knife edge of each forming knife is adapted to the shape of each corresponding section of the outer contour of the forming fixing block 51, in this embodiment, the plurality of forming knives include a first forming knife 55, two second forming knives 54, a third forming knife 58 and two fourth forming knives 57, the first forming knife 55 is located below the forming fixing block 51, the middle part of the knife edge thereof is adapted to the shape of the bending section 512, and the two ends thereof are adapted to the shape of a part of the two lower end circular arc sections 5111, that is, the shape of the knife edge of the first forming knife 55: the middle part is a bending section, and the two ends are arc sections; the two second forming tools 54 are symmetrically arranged on two sides of the first forming tool 55, and the cutting edges of the two second forming tools are respectively matched with the other part of the lower end circular arc segment 5111 and one part of the upper end oblique line segment 5112 in shape, that is, the shape of the cutting edge of the first forming tool 55: one end is a circular arc section, and the other end is a diagonal section; the third forming knife 58 is positioned above the forming fixed block 51, and the knife edge of the third forming knife 58 is matched with the shape of the middle section of the top straight line section 513, namely the knife edge of the third forming knife 58 is a straight line section; the two fourth forming knives 57 are symmetrically arranged on two sides of the third forming knife 58, and the knife edges of the two fourth forming knives are respectively matched with the other part of the upper oblique line section 5112 and the end part of the top straight line section 513 in shape, namely, one end of each fourth forming knife 57 is a straight line section, and the other end of each fourth forming knife 57 is a straight line section. The first forming knife 55, the two second forming knives 54, the third forming knife 58 and the two fourth forming knives 57 are respectively in driving connection with a servo motor.

Referring to fig. 12 and 13, the ejection mechanism 7 includes an ejection cylinder 71 and an ejection block 73, the ejection cylinder 71 is located on the back of the base 6 and is in driving connection with the ejection block 73, and the ejection block 73 can penetrate through the base 6 and eject the molded product on the fixed molding block 51.

Specifically, because the forming machine is used for processing and forming the non-closed heart-shaped elastic sheet 8, and the elastic sheet product is in an irregular shape, the ejection mechanism 7 includes a plurality of ejection blocks 73, the ejection blocks 73 are all fixed on an ejection fixing plate 72, and the ejection fixing plate 72 is located on the back of the base 6 and is fixedly connected with the piston rod of the ejection cylinder 71. The base 6 is provided with a plurality of conduction grooves 61, the conduction grooves 61 penetrate through the front and the back of the base 6 and are distributed on the periphery of the forming fixed block 51, and the ejection block 73 penetrates through the conduction grooves 61.

The working principle is as follows:

1. the feeding mechanism 2 works to feed the plate wire 1 into the flattening mechanism 3;

2. the flattening mechanism 3 flattens the fed plate wire 1 and then feeds the flattened plate wire into the cutting mechanism 4 and the bending mechanism 5;

the electromagnetic valve of the cutting cylinder 44 is energized, and the piston rod thereof pushes the cutting punch 43 to move downward after overcoming the spring force of the return spring 46 to cut the sheet wire 1, where the tail of the previous sheet wire segment 11 and the head of the next sheet wire segment 12 can be formed at the same time (the head of the previous sheet wire segment 11 is positioned in the horizontal positioning slot 521 of the bending mechanism 5), please refer to fig. 8;

after the plate wire 1 is cut by the cutting mechanism 4, firstly, the first servo motor drives the first forming cutter 55 to move upwards, the first forming cutter 55 pushes the middle section of the previous plate wire section 11 to bend and form at the bending section 512 of the forming fixing block 51, and through the step, the bending section 81 of the unclosed heart-shaped elastic sheet 8 is formed;

secondly, two second servo motors simultaneously drive two second forming cutters 54 respectively, the two second forming cutters 54 simultaneously push the plate-wire section 11 to bend and form the plate-wire section on two lower end arc sections 5111, and through the step, an arc section I821 of the unsealed heart-shaped elastic sheet 8 is formed;

thirdly, two fourth servo motors simultaneously drive two fourth forming cutters 57 respectively, the two fourth forming cutters 57 simultaneously push the plate-wire section 11 to bend and form the plate-wire section on the oblique line sections 5112 at the two upper ends, and the oblique line section 822 of the non-closed heart-shaped elastic sheet 8 is formed through the step;

then, the third servo motor drives the third forming knife 58 to move downward, the third forming knife 58 pushes the plate wire material section 11 to bend and form the plate wire material section on the top straight line section 513, and through the step, the two short straight line sections 83 of the unclosed heart-shaped elastic sheet 8 are formed, and the product shown in fig. 9 is obtained.

3. Resetting each forming cutter;

4. the ejection cylinder 71 works, the piston rod of the ejection cylinder extends out, and the ejection block 73 ejects the formed product;

5. the piston rod of the ejection cylinder 71 is reset.

Claims (10)

1. The utility model provides an automatic spring plate forming machine which is characterized in that, includes that feeding mechanism, leveling mechanism, shutdown mechanism, bending mechanism and ejection mechanism set gradually according to the process order:

the feeding mechanism comprises a feeding supporting block and a feeding cover plate, wherein a conveying groove matched with the width of the plate wire is formed in the upper surface of the feeding supporting block, the feeding cover plate covers the conveying groove, and the plate wire is conveyed to the leveling mechanism along the conveying groove;

the flattening mechanism comprises a support frame and a pressing plate, a flattening platform is arranged on the support frame, and the pressing plate is arranged on the support frame and positioned above the flattening platform and can flatten the plate wire on the flattening platform;

the cutting mechanism comprises a cutting female die, a cutting fixed block, a cutting male die and a cutting cylinder, the cutting female die and the cutting fixed block are both fixedly arranged on the front surface of a base, and the cutting fixed block is positioned above the cutting female die; the cutting male die is fixedly connected with a piston rod of the cutting cylinder, and the cutting male die can cut off the plate wire on the cutting female die through the cutting fixing block;

the bending mechanism comprises a forming fixing block and a plurality of forming cutters, the forming fixing block is arranged on the front side of the base, the forming cutters are distributed on the periphery of the forming fixing block, and the forming cutters are driven by a servo motor and can push the plate wire in the direction of the forming fixing block to tightly press the plate wire and form the plate wire on the forming fixing block;

the ejection mechanism comprises an ejection cylinder and an ejection block, the ejection cylinder is located on the back of the base and is in driving connection with the ejection block, and the ejection block can penetrate through the base and eject out a molded product on the molding fixed block.

2. The automatic spring plate forming machine according to claim 1, wherein the support frame is fixedly provided with a mounting plate, the mounting plate is positioned above the leveling platform, the mounting plate is provided with a through groove penetrating through the upper end surface and the lower end surface of the mounting plate, and a mounting sleeve is slidably arranged in the through groove; the outer side of the upper end of the mounting sleeve is fixedly provided with a mounting arm, and the mounting arm is arranged above the mounting plate through a spring screw;

the two side walls of the lower section of the mounting sleeve are provided with stroke sockets, the pressing plate is positioned below the mounting sleeve, and the upper end of the pressing plate can move up and down along the stroke sockets through a pin;

the inner wall of the mounting sleeve is provided with threads, an adjusting bolt extends into the mounting sleeve from the upper end of the mounting sleeve and is in threaded connection with the mounting sleeve, and the adjusting bolt can abut against the upper end of the pressing plate.

3. The automatic spring plate forming machine according to claim 1, wherein a positioning block is protruded from the back surface of the cutting punch, a receiving groove for receiving the positioning block is formed in the base, the lower end surface of the positioning block is elastically connected to the lower groove wall of the receiving groove through a return spring, and the upper end surface of the positioning block can abut against the upper groove wall of the receiving groove.

4. An automatic spring plate forming machine according to claim 3, characterized in that a guide groove penetrating through the upper and lower end faces of the cutting fixing block is arranged on the cutting fixing block, and the guide groove is communicated with the cutting female die;

one side of the cutting fixing block facing the base is provided with a notch, the notch is communicated with the guide groove, and the positioning block penetrates through the notch and extends into the accommodating groove.

5. The automatic spring plate forming machine according to claim 4, wherein the groove wall of the guide groove and the outer side wall of the cutting punch are correspondingly provided with a guide block and a guide groove which are matched, and the guide block is positioned in the guide groove and can move up and down along the guide groove.

6. The automatic spring plate forming machine according to claim 1, wherein the bending mechanism further comprises a horizontal positioning block, the horizontal positioning block is fixedly arranged on the front surface of the base and is positioned on one side of the forming fixing block, which is far away from the cutting mechanism;

the upper end of the horizontal positioning block is provided with a horizontal positioning groove for horizontally supporting the plate wire, and the end part of the plate wire conveyed to the horizontal positioning groove is abutted against the end wall of the horizontal positioning groove.

7. The automatic spring plate molding machine according to claim 6, wherein the bottom of the horizontal positioning groove is on the same horizontal line with the upper end surface of the cutting female die, and the distance from the end wall of the horizontal positioning groove to the molding fixed block is equal to the distance from the cutting center of the cutting female die to the molding fixed block.

8. The automatic molding machine for spring plates according to claim 1, wherein the front surface of the base is further provided with a plurality of molding knife guide blocks, and the molding knife can move along a guide groove formed by the two molding knife guide blocks.

9. The automatic spring plate forming machine according to claim 1, wherein the forming machine is adapted to form an unclosed heart-shaped spring plate, the outer contour of the forming fixing block is heart-shaped and comprises two symmetrical half heart-shaped sections, each half heart-shaped section comprises a lower end circular arc section and an upper end oblique line section which are connected, and each upper end oblique line section is located above the corresponding lower end circular arc section; the bottoms of the two semicircular sections are connected through a bent section, the bent section is upwards convex and comprises a bottom arc section and two bottom straight-line sections, and the two bottom straight-line sections are respectively connected to two sides of the bottom arc section and are respectively connected with the two lower end arc sections; the tops of the two upper inclined line segments are connected through a top straight line segment;

the knife edge of each forming knife is matched with the shape of each corresponding section of the outer contour of the forming fixing block.

10. The automatic molding machine for spring plates according to claim 1, wherein the ejection mechanism comprises a plurality of ejection blocks, the ejection blocks are all fixed on an ejection fixing plate, and the ejection fixing plate is located on the back surface of the base and is fixedly connected with a piston rod of the ejection cylinder;

the base is provided with a plurality of conduction grooves, the conduction grooves penetrate through the front face and the back face of the base and are distributed on the periphery of the forming fixed block, and the ejection block penetrates through the conduction grooves.

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