CN216095855U

CN216095855U - Forming device for blade

Info

Publication number: CN216095855U
Application number: CN202122097435.0U
Authority: CN
Inventors: 王有塔; 项湘滨
Original assignee: Yongkang Nanzheng Industry And Trade Co ltd
Current assignee: Yongkang Nanzheng Industry And Trade Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-03-22
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a forming device for a blade, which comprises a base, wherein the outer wall of the top of the base is provided with a punch forming assembly, the punch forming assembly comprises a polygonal lifting block, a female die and a punch knife, each side edge of the polygonal lifting block is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with a sliding block, the sliding block is slidably connected to the top of the base, the female die is fixedly arranged on the outer wall of the top of the base, the punch knife is fixedly arranged on the side wall of the sliding block, and the punch knife is in sliding fit with the female die through a punch sliding groove formed in the female die. According to the utility model, the polygonal lifting block is connected with the driving source, the polygonal lifting block is set to be of a regular polygonal structure, each side surface is connected with the sliding block through the connecting rod, the matching of a plurality of groups of stamping tools and the female die is realized, the simultaneous molding of a plurality of blades can be realized by the driving source through a single reciprocating stroke, and the working efficiency is greatly improved.

Description

Forming device for blade

Technical Field

The utility model relates to the technical field of blade forming, in particular to a forming device for a blade.

Background

When the blade is machined and formed, two common methods are powder metallurgy forming and punch forming, in the punch forming, a steel sheet is generally adopted as a base material, a punching knife is utilized to punch a formed knife blank at one time, and then the side edge of the knife blank is subjected to edge forming treatment.

Through retrieval, chinese patent publication No. CN113084160A discloses an alloy blade forming device and a forming method thereof, which includes an upper punch, a die body, a lower punch and a round core rod, which are sequentially arranged from top to bottom, wherein a die cavity hole penetrates through the center of the die body, a polygonal hole forming part is arranged at the bottom of the upper punch, an upper mating hole adapted to the round core rod is arranged at the center of the upper punch, the upper mating hole penetrates through the center of the hole forming part, a boss corresponding to the hole forming part is arranged at the top of the lower punch, a lower passing hole for the round core rod to pass through is arranged at the centers of the lower punch and the boss, and a lower mating section adapted to the round core rod is arranged at the top of the lower passing hole. Also discloses a forming method of the alloy blade forming device, which comprises the following steps: a filler; pressing; and (6) demolding.

The above patents suffer from the following disadvantages: when the driving source moves in a single period, only one finished product can be formed, the efficiency is low, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a forming device for a blade.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a forming device for blade, includes the base, the top outer wall of base is provided with the stamping forming subassembly, the stamping forming subassembly includes polygon elevator, master model and punching press sword, every side of polygon elevator all rotates and is connected with the connecting rod, the other end of connecting rod rotates and is connected with the slider, slider sliding connection in base top, master model fixed mounting is on the top outer wall of base, punching press sword fixed mounting is on the lateral wall of slider, punching press spout and master model sliding fit that the punching press sword seted up through the master model, the logical groove of pan feeding has been seted up to the inner wall of master model.

As a still further scheme of the utility model: the outer wall of the top of the base is fixedly provided with a portal frame, and the outer wall of the top of the portal frame is fixedly provided with a driving source.

As a still further scheme of the utility model: the driving source is positioned right above the polygonal lifting block.

As a still further scheme of the utility model: the piston is fixed on the outer wall of the top of the polygonal lifting block through a connecting rod, the outer wall of the piston is matched with a cylinder body, and the cylinder body is fixedly installed on the outer wall of the top of the base.

As a still further scheme of the utility model: the bottom inner wall fixed mounting of cylinder body has baroceptor, baroceptor and driving source control are connected.

As a still further scheme of the utility model: the inner wall fixed mounting of stamping knife has the electro-magnet, the inner wall of stamping knife has the stripper plate through slide bar sliding connection, the top outer wall fixed mounting of base has the limiting plate, the blanking mouth has been seted up to the inner wall of base, and the bottom outer wall that the base is located the blanking mouth passes through the bolt fastening case that gathers materials.

As a still further scheme of the utility model: and a spring is fixedly arranged on the outer wall of the opposite side of the punching knife and the stripper plate positioned outside the slide bar.

As a still further scheme of the utility model: and a press closing type inductive switch is clamped on the inner wall of the limiting plate and is just opposite to the position of the sliding rod, and the press closing type inductive switch is in control connection with the electromagnet.

Compared with the prior art, the utility model provides a forming device for a blade, which has the following beneficial effects:

1. this a forming device for blade, through connecting the drive source with polygon elevator, and set up polygon elevator into regular polygon structure, every side all connects the slider through the connecting rod, has realized the cooperation of multiunit stamping knife with the master model, and the drive source single reciprocating stroke shaping when can realizing a plurality of blades has improved work efficiency greatly.

2. This a forming device for blade, when the polygon elevator drives the atmospheric pressure that the piston descends and lead to the cylinder body intracavity and rise, baroceptor can monitor concrete pressure, and the decline value of pressure value and polygon elevator is relevant, the decline value of polygon elevator also is relevant with the position of stamping knife, so the accessible sets up the threshold value to baroceptor, when reaching threshold pressure, the control driving source stops the drive and descends, can carry out the accurate positioning to the stamping knife, thereby the reliability and the accuracy nature of device have been increased.

3. This a forming device for blade, after the punching press is ended, the electro-magnet circular telegram produces the magnetic field, can produce the adsorption affinity to the blade under the punching press, guarantee that blade and stamping knife contract together, separate with the steel pipe base material, when the stamping knife drove the shaping blade return stroke of drawing of patterns, the tip collision limiting plate of slide bar this moment, carry on spacingly to the return stroke position of taking off the flitch, thereby make taking off the flitch and slide along the inside of stamping knife, the blade that will draw the patterns is ejecting from the stamping knife in, the blade that is ejecting from the stamping knife can be along the blanking mouth entering collection workbin, accomplish the automatic drawing of patterns and the collection of blade.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has the advantages of simple structure and convenient operation.

Drawings

Fig. 1 is a front view schematically illustrating a forming device for a blade according to the present invention;

fig. 2 is an overall sectional structural view of a molding device for a blade according to the present invention;

FIG. 3 is a schematic view of a structure of a female mold and a punching blade of the forming device for a blade according to the present invention;

fig. 4 is a partial sectional structural schematic view of a forming device for a blade according to the present invention.

In the figure: 1-base, 2-portal frame, 3-driving source, 4-punch forming component, 5-polygonal lifting block, 6-connecting rod, 7-female die, 8-punching knife, 9-sliding block, 10-air pressure sensor, 11-cylinder, 12-piston, 13-feeding through groove, 14-punching sliding groove, 15-stripper plate, 16-sliding rod, 17-spring, 18-electromagnet, 19-pressing closed inductive switch, 20-limiting plate, 21-blanking port and 22-collecting box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

In order to improve the processing efficiency, as shown in fig. 1-3, the forming device for a blade includes a base 1, a punch forming assembly 4 is disposed on the top outer wall of the base 1, the punch forming assembly 4 includes a polygonal lifting block 5, a female die 7 and a punch 8, in this embodiment, the shape of the polygonal lifting block 5 is not specifically limited, and may be a regular polygonal structure such as a regular triangle, a cube, a regular pentagon, and as an example, preferably: and the polygonal lifting block is a 5-bit cube.

Every side of polygon elevator 5 all rotates and is connected with connecting rod 6, the other end of connecting rod 6 rotates and is connected with slider 9, and slider 9 sliding connection is in base 1 top, and when polygon elevator 5 goes up and down, accessible connecting rod 6 drives slider 9 along base 1 reciprocating motion.

The female die 7 is fixed on the outer wall of the top of the base 1 through a bolt, the punching knife 8 is fixed on the side wall of the sliding block 9 through a bolt, and the punching knife 8 is in sliding fit with the female die 7 through a punching sliding groove 14 formed in the female die 7.

When stamping knife 8 stretches out to female mould 7 along punching press spout 14 along slider 9 reciprocating motion when being close to, can carry out stamping forming to the sheetmetal base material in the female mould 7, pan feeding logical groove 13 has been seted up to the inner wall of female mould 7, and pan feeding logical groove 13 can supply the sheetmetal to pass, and during the in-service use, usable coil of strip, one end insert the pan feeding logical groove 13 in, realize lasting the feed.

For the punching power, as shown in fig. 1 and 2, a gantry 2 is fixed on the top outer wall of the base 1 through bolts, and a driving source 3 is fixed on the top outer wall of the gantry 2 through bolts, in this embodiment, the type of the driving source 3 is not limited, and the driving source may be a mechanical component that can realize reciprocating telescopic motion, such as an air cylinder, a hydraulic cylinder, and a motor in cooperation with a crank-slider mechanism, and preferably: the driving source 3 is a cylinder, the driving source 3 is located right above the polygonal lifting block 5, and when the driving source 3 is started to extend, the driving source can press down the polygonal lifting block 5 through extension of the telescopic end to enable the polygonal lifting block to descend.

For resetting and sensing, as shown in fig. 2, a piston 12 is fixed on the outer wall of the top of the polygonal lifting block 5 through a connecting rod, a cylinder 11 is fitted on the outer wall of the piston 12, the cylinder 11 is fixed on the outer wall of the top of the base 1 through a bolt, when the polygonal lifting block 5 descends, the piston 12 is pressed to descend, at this time, the air pressure in the cylinder 11 rises, and then when the polygonal lifting block 5 loses pressure, the piston 12 can be jacked up by the pressure in the cavity of the cylinder 11, so that resetting of the polygonal lifting block 5 is completed.

The bottom inner wall of cylinder body 11 bonds and has baroceptor 10, baroceptor 10 and the 3 control connection of driving source, when polygon elevator 5 drives piston 12 and descends and lead to the atmospheric pressure in the 11 intracavity of cylinder body to rise, baroceptor 10 can monitor concrete pressure, and the decline value of pressure value and polygon elevator 5 is relevant, the decline value of polygon elevator 5 is also relevant with the position of punching press sword 8, so the accessible sets up the threshold value to baroceptor 10, when reaching threshold pressure, control driving source 3 stop drive and descend, can carry out the accurate positioning to punching press sword 8.

In this embodiment: when the driving source 3 is started to extend, one end of the steel coil can be inserted into the feeding through groove 13 to realize continuous feeding, when the driving source is started to extend, the polygonal lifting block 5 can be pressed downwards through the extension of the telescopic end to enable the steel coil to descend, when the polygonal lifting block 5 descends, the piston 12 can be pressed to descend, the air pressure in the cylinder 11 rises at the moment, then when the polygonal lifting block 5 loses pressure, the piston 12 can be jacked up by the pressure in the cavity of the cylinder 11, so that the reset of the polygonal lifting block 5 is completed, when the polygonal lifting block 5 ascends and descends, the slide block 9 can be driven by the connecting rod 6 to reciprocate along the base 1, when the stamping knife 8 reciprocates along with the slide block 9 and extends to the female die 7 along the stamping chute 14 to be close to the female die 7, the metal sheet base material in the female die 7 can be stamped, and when the polygonal lifting block 5 drives the piston 12 to descend to cause the air pressure in the cavity of the cylinder 11 to rise, the air pressure sensor 10 can monitor specific pressure, the pressure value is related to the descending value of the polygonal lifting block 5, and the descending value of the polygonal lifting block 5 is also related to the position of the punching knife 8, so that the punching knife 8 can be accurately positioned by setting a threshold value for the air pressure sensor 10 and controlling the driving source 3 to stop driving to descend when the threshold pressure is reached.

The device realizes the matching of a plurality of groups of punching knives 8 and a female die 7 by connecting the polygonal lifting block 5 with the driving source, arranging the polygonal lifting block 5 into a regular polygonal structure and connecting each side with the sliding block 9 through the connecting rod 6, and simultaneously molding a plurality of blades by a single reciprocating stroke of the driving source, thereby greatly improving the working efficiency, in addition, when the polygonal lifting block 5 drives the piston 12 to descend, so that the air pressure in the cavity of the cylinder 11 is increased, the air pressure sensor 10 can monitor the specific pressure, and the pressure value is related to the descending value of the polygonal lifting block 5, the descending value of the polygonal lifting block 5 is also related to the position of the stamping knife 8, it is possible to control the driving source 3 to stop driving down by setting a threshold value to the air pressure sensor 10, when the threshold pressure is reached, the punching blade 8 can be accurately positioned, thereby increasing the reliability and accuracy of the device.

Example 2:

in order to automatically discharge materials, the forming device for the blades is improved on the basis of embodiment 1, as shown in fig. 4, an electromagnet 18 is fixed on the inner wall of a stamping knife 8 through a bolt, after stamping is finished, the electromagnet 18 is electrified to generate a magnetic field, so that an adsorption force can be generated on the blades under stamping, and the blades and the stamping knife 8 are ensured to shrink together and be separated from a steel pipe base material.

The inner wall of stamping knife 8 has stripper plate 15 through slide bar 16 sliding connection, the top outer wall of base 1 passes through bolt fastening limiting plate 20, and when stamping knife 8 drove the shaping blade return stroke of drawing of patterns, the tip of slide bar 16 collided limiting plate 20 this moment, spacing the return stroke position of stripper plate 15 to make stripper plate 15 slide along the inside of stamping knife 8, ejecting in the blade follow stamping knife 8 of drawing of patterns.

The blanking mouth 21 has been seted up to base 1's inner wall, and base 1 is located the bottom outer wall of blanking mouth 21 and passes through the bolt fastening case 22 that gathers materials, and the blade that follows ejecting in stamping knife 8 can follow blanking mouth 21 and get into the case 22 that gathers materials in, accomplishes the automatic drawing of patterns and the collection of blade, stamping knife 8 and stripper plate 15 are located the relative one side outer wall welding in the slide bar 16 outside has spring 17, and when stamping knife 8 was in the punching stroke, spring 17 can stimulate stripper plate 15 shrink into the inside of stamping knife 8, provides storage space for the blade.

The inner wall joint of limiting plate 20 has press closed inductive switch 19, press closed inductive switch 19 just to slide bar 16 position, just press closed inductive switch 19 and electromagnet 18 control connection, when being in the punching stroke, slide bar 16 is to pressing closed inductive switch 19 no pressure, press closed inductive switch 19 this moment and be in the off-state, do not have the circular telegram signal, use this as the opening signal of electromagnet 18, when punching press sword 8 is in the return stroke, slide bar 16 contact is pressed closed inductive switch 19 and is produced pressure to it, make it closed, produce the signal of telecommunication, use this as the outage signal of electromagnet 18, thereby lose the adsorption affinity to the blade, make the blade can reliably separate with punching press sword 8.

In this embodiment: when the steel pipe is stamped and formed, the sliding rod 16 has no pressure on the pressing closed type induction switch 19, the pressing closed type induction switch 19 is in an off state at the moment, no power-on signal is generated, the signal is used as an opening signal of the electromagnet 18, after stamping is finished, a magnetic field generated by the electromagnet 18 can generate adsorption force on a blade under stamping to ensure that the blade and the stamping knife 8 contract together to be separated from a steel pipe base material, when the stamping knife 8 drives a formed blade for demoulding to return, the end part of the sliding rod 16 collides with the limiting plate 20 at the moment to limit the return position of the stripper plate 15, so that the stripper plate 15 slides along the inside of the stamping knife 8 to eject the blade for demoulding from the inside of the stamping knife 8, and when the stamping knife 8 is in the return stroke, the sliding rod 16 contacts and presses the pressing closed type induction switch 19 to generate pressure to close the stripper plate to generate an electric signal which is used as a power-off signal of the electromagnet 18, thereby losing the suction force to the blade and enabling the blade to be reliably separated from the punching blade 8.

This device, after the punching press, electro-magnet 18 circular telegram produces magnetic field, can produce the adsorption affinity to the blade under the punching press, guarantee that blade and punching press sword 8 contract together, separate with the steel pipe base material, when punching press sword 8 drives the shaping blade return stroke of drawing of patterns, the tip collision limiting plate 20 of slide bar 16 this moment, carry on spacingly to the return stroke position of taking off flitch 15, thereby make taking off flitch 15 along the inside slip of punching press sword 8, ejecting in the blade of drawing of patterns is followed punching press sword 8, ejecting blade can follow blanking mouth 21 entering collection workbin 22 in the punching press sword 8, accomplish the automatic drawing of patterns and the collection of blade.

The working principle is as follows: when the driving source 3 is started to extend, one end of the steel coil can be inserted into the feeding through groove 13 to realize continuous feeding, when the driving source is started to extend, the polygonal lifting block 5 can be pressed downwards through the extension of the telescopic end to enable the steel coil to descend, when the polygonal lifting block 5 descends, the piston 12 can be pressed to descend, the air pressure in the cylinder 11 rises at the moment, then when the polygonal lifting block 5 loses pressure, the piston 12 can be jacked up by the pressure in the cavity of the cylinder 11, so that the reset of the polygonal lifting block 5 is completed, when the polygonal lifting block 5 ascends and descends, the slide block 9 can be driven by the connecting rod 6 to reciprocate along the base 1, when the stamping knife 8 reciprocates along with the slide block 9 and extends to the female die 7 along the stamping chute 14 to be close to the female die 7, the metal sheet base material in the female die 7 can be stamped, and when the polygonal lifting block 5 drives the piston 12 to descend to cause the air pressure in the cavity of the cylinder 11 to rise, the air pressure sensor 10 can monitor specific pressure, the pressure value is related to the descending value of the polygonal lifting block 5, and the descending value of the polygonal lifting block 5 is also related to the position of the stamping knife 8, so that the driving source 3 is controlled to stop driving to descend when the threshold pressure is reached through setting a threshold value on the air pressure sensor 10, and the stamping knife 8 can be accurately positioned; when the steel pipe is stamped and formed, the sliding rod 16 has no pressure on the pressing closed type induction switch 19, the pressing closed type induction switch 19 is in an off state at the moment, no power-on signal is generated, the signal is used as an opening signal of the electromagnet 18, after stamping is finished, a magnetic field generated by the electromagnet 18 can generate adsorption force on a blade under stamping to ensure that the blade and the stamping knife 8 contract together to be separated from a steel pipe base material, when the stamping knife 8 drives a formed blade for demoulding to return, the end part of the sliding rod 16 collides with the limiting plate 20 at the moment to limit the return position of the stripper plate 15, so that the stripper plate 15 slides along the inside of the stamping knife 8 to eject the blade for demoulding from the inside of the stamping knife 8, and when the stamping knife 8 is in the return stroke, the sliding rod 16 contacts and presses the pressing closed type induction switch 19 to generate pressure to close the stripper plate to generate an electric signal which is used as a power-off signal of the electromagnet 18, thereby losing the suction force to the blade and enabling the blade to be reliably separated from the punching blade 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A forming device for a blade comprises a base (1) and is characterized in that a punch forming component (4) is arranged on the outer wall of the top of the base (1), the punch forming component (4) comprises a polygonal lifting block (5), a female die (7) and a punching knife (8), each side edge of the polygonal lifting block (5) is rotationally connected with a connecting rod (6), the other end of the connecting rod (6) is rotatably connected with a sliding block (9), the sliding block (9) is connected to the top of the base (1) in a sliding way, the female die (7) is fixedly arranged on the outer wall of the top of the base (1), the punching knife (8) is fixedly arranged on the side wall of the sliding block (9), the stamping knife (8) is in sliding fit with the female die (7) through a stamping chute (14) formed in the female die (7), and a feeding through groove (13) is formed in the inner wall of the female die (7).

2. The molding device for the blade as claimed in claim 1, wherein a gantry (2) is fixedly installed on the outer wall of the top of the base (1), and the driving source (3) is fixedly installed on the outer wall of the top of the gantry (2).

3. A forming device for a blade according to claim 2, characterized in that the drive source (3) is located directly above the polygonal lifting block (5).

4. The forming device for the blades as claimed in claim 3, wherein a piston (12) is fixed on the outer wall of the top of the polygonal lifting block (5) through a connecting rod, a cylinder (11) is matched on the outer wall of the piston (12), and the cylinder (11) is fixedly installed on the outer wall of the top of the base (1).

5. A forming device for a blade according to claim 4, characterized in that an air pressure sensor (10) is fixedly arranged on the inner wall of the bottom of the cylinder (11), and the air pressure sensor (10) is in control connection with the driving source (3).

6. The forming device for the blade, according to claim 5, characterized in that an electromagnet (18) is fixedly installed on the inner wall of the punching knife (8), a stripper plate (15) is slidably connected to the inner wall of the punching knife (8) through a sliding rod (16), a limiting plate (20) is fixedly installed on the outer wall of the top of the base (1), a blanking opening (21) is formed in the inner wall of the base (1), and the outer wall of the bottom of the base (1) located at the blanking opening (21) is fixed to a material collecting box (22) through a bolt.

7. A forming device for a blade according to claim 6, characterized in that the outer wall of the punching knife (8) and the stripper plate (15) on the opposite side outside the slide rod (16) is fixedly provided with a spring (17).

8. The molding device for the blade as claimed in claim 7, wherein the inner wall of the limit plate (20) is clamped with a press-to-close type inductive switch (19), the press-to-close type inductive switch (19) is opposite to the position of the sliding rod (16), and the press-to-close type inductive switch (19) is in control connection with the electromagnet (18).