CN111957814B

CN111957814B - Lubricated mechanism of punching press head

Info

Publication number: CN111957814B
Application number: CN202010663474.XA
Authority: CN
Inventors: 杨永建
Original assignee: Zhejiang Aisin Auto Parts Co ltd
Current assignee: Zhejiang Aisin Auto Parts Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2022-06-24
Anticipated expiration: 2040-07-10
Also published as: CN111957814A

Abstract

The invention relates to the field of stamping dies, in particular to a stamping head lubricating mechanism which comprises a base, a stamping structure, a lubricating structure, a guide structure, a feeding structure, a cleaning structure and a pressing structure, wherein the base is provided with a guide groove; through stamping structure's setting, can make long sheet material punching into the required part of one by one circular shape, and when stamping structure carries out punching work, can drive lubricating structure in step and carry out work, through lubricating structure's work, can carry out oiling lubrication work to the inside subassembly of stamping structure when the punching press is automatic, thereby can reduce the frictional force of punching press subassembly and sheet material, the condition of burr appears in the finished product part periphery that can also avoid punching, reach the effect that improves production quality greatly, when the pay-off structure carries out work, can also drive clearance structure in step and carry out work, work through clearance structure, can blow off dust and piece on the metal sheet material of waiting to punching, thereby can avoid dust impurity along with the metal sheet material together by punching.

Description

Lubricated mechanism of punching press head

Technical Field

The invention relates to the field of stamping dies, in particular to a stamping head lubricating mechanism.

Background

The stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece (stamped part) of a desired shape and size. Stamping and forging are plastic working (or called pressure working), and are called forging and pressing. The stamped blanks are mainly hot and cold rolled steel sheets and strips. The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

In stamping die, can exert the subassembly of exerting stamping force to panel, strip, tubular product and section bar etc. and be called the punching press head, when the circular spare part is punched to the punching press head, generally be that the punching press head directly contradicts stamping forming with the material, but the punching press head when long-time punching press, will produce great frictional force with the material, will cause the punching press head to damage, the condition of burr appears in the messenger punching press finished product, and some longer materials of holding time are when punching, probably be stained with dust impurity on the material, if not clearing up, will seriously influence the quality of punching and damage the punching press head even.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a lubricating mechanism for a stamping head.

The technical scheme adopted by the invention for solving the technical problems is as follows: a stamping head lubricating mechanism comprises a base, a stamping structure, a lubricating structure, a guide structure, a feeding structure, a cleaning structure and a pressing structure, wherein the stamping structure for stamping a round part is arranged at the top end of the base for connecting, fixing and installing other parts, and the lubricating structure for oiling and lubricating the stamping structure is arranged in the stamping structure; the guiding structure for guiding the metal sheet is arranged at one end of the stamping structure, and the feeding structure for conveying the sheet coil stock to the interior of the stamping structure for stamping is arranged at one end of the guiding structure; the cleaning structure for cleaning dust on the sheet materials is arranged at one end of the guide structure, and the pressing structure for pressing and guiding the sheet materials with different thicknesses is arranged in the stamping structure.

Specifically, the stamping structure comprises a female die, guide posts, guide sleeves, an upper die base, a fixing plate, a stamping head and blanking holes, wherein the female die is installed at the top end of the base, the center positions of the female die and the base penetrate through the blanking holes, four guide posts are vertically fixed at the top end of the base in a pairwise symmetric relation, the four guide sleeves are connected to the outer portions of the four guide posts in a sliding mode, the four guide sleeves are installed on the upper die base, the fixing plate is installed at one end, close to the female die, of the upper die base, the stamping head in a T-shaped structure is installed inside the fixing plate, and the stamping head is matched with the blanking holes.

Specifically, the lubricating structure comprises a one-way valve, an oil storage tank, a sealing plug, a piston, a sliding rod, a spray head, a mounting plate, a first spring and a communicating hole, the one-way valve is arranged at one end of the fixed plate, the oil storage tank with a rectangular annular structure is arranged in the fixed plate, the sealing plug is arranged at one end of the fixing plate, which is far away from the one-way valve, the piston in an annular structure is connected in the fixing plate in a sliding manner, the bottom end of the piston is fixed with the sliding rod in an annular structure, the spray head in the annular structure is arranged in the sliding rod, the spray head and the stamping head are in an inclined structure, the slide rod slides with the fixed plate, the piston, the slide rod and the spray head are communicated through the communicating hole, the mounting plate is fixed at one end of the sliding rod, and the first spring is clamped and fixed between the mounting plate and the fixing plate.

Specifically, guide structure includes backup pad, splint, leading wheel and bearing, two the backup pad is parallel relationship vertical fixation in the one end of die is two the one end that the backup pad is relative all is the fixed two of perpendicular relationship and is parallel relationship splint are two the internally mounted of splint is three the leading wheel, and three the leading wheel all passes through the bearing with splint rotate.

Specifically, pay-off structure includes motor, first compression roller, second compression roller, spout, slider, adjusting screw, first belt pulley, belt and second belt pulley the top installation of base the motor is two rotate between the backup pad and be connected with first compression roller, two all be equipped with in the backup pad the spout is two the equal sliding connection in inside of spout has the slider, and two rotate between the slider the second compression roller, two the one end of slider all rotates to be connected with adjusting screw, and two the equal threaded connection of adjusting screw in the backup pad the one end of motor is fixed first belt pulley the one end of first compression roller is fixed the second belt pulley, just first belt pulley with the second belt pulley passes through belt drive.

Specifically, the clearance structure includes box, pivot, the cover of blowing, trachea, flabellum and intake pipe the top of base is fixed the box the inside of box is rotated and is connected with the pivot, just the pivot with the motor is fixed the outside of pivot is the fixed a plurality of arc structures that are of annular array the flabellum the one end of box is fixed the intake pipe, two the backup pad deviates from the fixed two of one end of die the cover of blowing, and two the cover of blowing is respectively through two the trachea with the inside of box communicates with each other.

Specifically, the pressing structure comprises a fixed groove, a limiting plate, a first fixed block, a first roller, a second spring, a second fixed block, a second roller and a third spring, the female die is provided with two fixing grooves which are in a symmetrical relation, a plurality of limiting plates are connected inside the female die in a linear sliding way, the first fixed block with the trapezoidal section is fixed at one end of the limiting plate and slides with the female die, one end of the first fixed block is rotatably connected with the first roller, the second spring is clamped and fixed between the limiting plate and the female die, the second fixing block is connected to the inner portion of the concave die in a sliding mode, one end of the second fixing block is connected with the second idler wheel in a rotating mode, and the third spring is clamped and fixed between the second fixing block and the concave die.

The invention has the beneficial effects that:

(1) the lubricating mechanism of the punching head can punch a long sheet material into round required parts through the arrangement of the punching structure, can synchronously drive the lubricating structure to work while the punching structure punches, can automatically perform oil injection and lubrication on components inside the punching structure during punching through the working of the lubricating structure, thereby reducing the friction force between the punching component and the sheet material, and also avoiding the situation that burrs are generated on the periphery of a punched finished part to achieve the effect of greatly improving the production quality, namely, when the lubricating mechanism works, because the base and the upper die base are respectively fixed at the upper end and the lower end of a punch press, the upper die base can approach to the base through the working of the punch press, because the through hole blanking holes are arranged at the central positions of the female die and the base, the sheet material can be punched by matching with the punching head fixed on the fixing plate, namely, the finished product can fall from the blanking hole and be collected, because the oil storage tank is arranged in the fixed plate, one end of the oil storage tank is provided with a sealing plug which can be taken down for oil injection, because the piston in the annular structure is connected in the fixed plate in a sliding way, the bottom end of the piston is fixedly provided with the slide rod in the annular structure, when in punching, the slide rod can firstly abut against the female die, the slide rod can drive the piston to slide towards the inside of the oil storage tank, the communicating hole on the piston can be opened, the air pressure in the oil storage tank can be increased, the lubricating oil in the oil storage tank can flow into the inside of the nozzle through the communicating hole, because the nozzle is in the annular structure, the lubricating oil can be injected into the outside of the punching head through the nozzle, therefore, when the punching head punches the sheet stock, the friction force with the sheet stock can be reduced, and the situation that burrs are generated on the finished product can be avoided, and because the mounting panel is fixed to one end at the slide bar, the fixed first spring of centre gripping between mounting panel and fixed plate, when the upper die base rose, the slide bar reseed this moment, and convenient continuous work, and because the check valve is fixed to the one end at the fixed plate, through the setting of check valve, can be timely supply the inside atmospheric pressure of oil storage tank to can guarantee the normal work of oiling.

(2) The invention relates to a lubricating mechanism of a punching head, wherein a guide structure is arranged at one end of a female die, and a feeding structure is arranged at one end of the guide structure, so that the metal sheet to be punched can be guided to work, the sheet can be prevented from being deflected and stuck, the punching quality can be ensured, and the feeding structure is arranged at one end of the guide structure, so that the metal sheet penetrating through the guide structure can be provided with conveying power, automatic feeding and continuous punching can be realized, the production efficiency can be increased, the sheet can be flattened, the sheet with different thicknesses can be fed, the applicability of the device can be increased, namely, two support plates which are in parallel relation are arranged at the feeding position of the female die, two clamping plates which are in parallel relation are fixed at the opposite ends of the two support plates, and three guide wheels are linearly and rotatably connected between the two clamping plates, when the metal sheet material needs to enter a punching area for punching, the metal sheet material needs to firstly pass through the six guide wheels, the six guide wheels are arranged, the metal sheet material can be guided and limited, so that the condition that the metal sheet material is blocked by conveying deviation can be avoided, a first press roller is rotationally connected between the two support plates, a second press roller is rotationally connected between the two sliders which are slidably connected with the two support plates, and the second press roller can also be subjected to height adjustment through an adjusting screw rod, so that the metal sheet material with different thicknesses can be suitable for, the applicability of the device can be increased, in addition, a second belt pulley is fixed outside the first press roller and is in transmission with a first belt pulley fixed on a motor through a belt, therefore, the motor works, the first press roller can be driven to rotate, and the first press roller and the second press roller are driven to rotate through the rotation of the first press roller, the metal sheet can move, so that the effect of feeding can be achieved, and the effect of flattening the metal sheet can be achieved.

(3) The stamping head lubricating mechanism can synchronously drive the cleaning structure to work while the feeding structure works, and can blow off dust and scraps on metal sheet materials to be stamped through the work of the cleaning structure, so that dust impurities can be prevented from being stamped along with the metal sheet materials, the damage of the stamping structure can be avoided, and the quality of stamped finished products can be ensured, namely, because the rotating shaft which is rotationally connected to the inside of the box body is fixed with the motor which is provided with the first belt pulley, the rotating shaft can be simultaneously driven to rotate when the motor works and feeds materials, because a plurality of arc-shaped fan blades are fixed on the outside of the rotating shaft in an annular array manner, the fan blades can be driven to rotate through the rotation of the rotating shaft, and at the moment, the mechanism can play the role of a blower, and can enable gas entering from the gas inlet pipe to enter the inside of the blowing sleeve through the gas pipe, and finally, blowing out from the inclined blowing sleeve, so that the two end faces of the metal sheet can be blown simultaneously, and dust on the metal sheet can be blown off and cleaned, thereby avoiding the damage of the punching head and ensuring the quality of punched finished products.

(4) The lubricating mechanism of the stamping head can play a role in pressing and guiding metal sheet materials and also play a role in unloading materials by arranging the pressing structure in the stamping structure, so that stamping waste materials are prevented from being directly pulled, the smoothness in conveying of the metal sheet materials can be ensured, the stamping quality can also be ensured, namely, the metal sheet materials can be conveniently conveyed and guided by arranging two fixing grooves which are in a symmetrical relation in the female die, in addition, a limiting plate is connected to the top end of each fixing groove in a sliding way, a first fixing block with a trapezoidal structure in cross section is fixed at one end of the limiting plate, a first roller is rotatably connected to one end of the first fixing block, the metal sheet materials which penetrate through the first fixing block can be pressed under the elastic force action of a second spring through a second spring clamped on the limiting plate and the female die, and the metal sheet materials with different thicknesses can be pressed, the conveying smoothness of the metal sheet materials can be improved, the second fixing block is connected to the bottom end of the fixing groove in a sliding mode, the second idler wheel is rotated at one end of the second fixing block, the third spring is clamped between the second fixing block and the female die, the metal sheet materials which penetrate through the fixing groove can be jacked up to be guided to slide under the action of the elastic force of the third spring, and therefore the guiding and sliding assisting effect can be achieved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of the overall structure of a preferred embodiment of a lubricating mechanism for a stamping head according to the present invention;

FIG. 2 is a schematic view of a connection structure of the base and the stamping structure shown in FIG. 1

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of the portion B shown in FIG. 1;

FIG. 5 is a schematic structural view of the cleaning structure shown in FIG. 1;

FIG. 6 is an enlarged view of the portion C shown in FIG. 2;

FIG. 7 is a schematic view showing a coupling structure of the female mold and the cleaning structure shown in FIG. 1;

fig. 8 is an enlarged view of the portion D shown in fig. 7.

In the figure: 1. the device comprises a base, a 2, a stamping structure, a 21, a female die, a 22, a guide post, a 23, a guide sleeve, a 24, an upper die holder, a 25, a fixing plate, a 26, a stamping head, a 27, a blanking hole, a 3, a lubricating structure, a 31, a one-way valve, a 32, an oil storage tank, a 33, a sealing plug, a 34, a piston, a 35, a sliding rod, a 36, a spray head, a 37, a mounting plate, a 38, a first spring, a 39, a communication hole, a 4, a guide structure, a 41, a support plate, a 42, a clamping plate, a 43, a guide wheel, a 44, a bearing, a 5, a feeding structure, a 51, a motor, a 52, a first press roller, a 53, a second press roller, a 54, a sliding groove, a 55, a sliding block, a 56, an adjusting screw, a 57, a first belt pulley, a 58, a belt, a 59, a second pulley, a 6, a cleaning structure, a 61, a box body, a 62, a rotating shaft, a 63, a blowing sleeve, a 64, an air pipe, a 65, a fan blade, a 66, an air inlet pipe, a 7, a pressing structure, a fixing groove, a 72, a fixing groove, a lubricating structure, a fixing groove, a, The device comprises a limiting plate 73, a first fixing block 74, a first roller 75, a second spring 76, a second fixing block 77, a second roller 78 and a third spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the stamping head lubricating mechanism according to the present invention includes a base 1, a stamping structure 2, a lubricating structure 3, a guiding structure 4, a feeding structure 5, a cleaning structure 6, and a pressing structure 7, wherein the stamping structure 2 for stamping a circular part is disposed at a top end of the base 1 for connecting, fixing, and mounting other components, and the lubricating structure 3 for lubricating the stamping structure 2 with oil is disposed inside the stamping structure 2; the guide structure 4 for guiding the metal sheet is installed at one end of the stamping structure 2, and the feeding structure 5 for conveying the sheet coil material to the interior of the stamping structure 2 for stamping is installed at one end of the guide structure 4; the cleaning structure 6 for cleaning dust on the sheet materials is arranged at one end of the guide structure 4, and the pressing structure 7 for pressing and guiding the sheet materials with different thicknesses is arranged in the punching structure 2.

Specifically, the stamping structure 2 includes a female die 21, guide posts 22, guide sleeves 23, an upper die holder 24, a fixing plate 25, a stamping head 26 and a blanking hole 27, the female die 21 is installed at the top end of the base 1, the central positions of the female die 21 and the base 1 penetrate through the blanking hole 27, four guide posts 22 are vertically fixed at the top end of the base 1 in a pairwise symmetric relationship, the four guide sleeves 23 are slidably connected to the outsides of the four guide posts 22, the four guide sleeves 23 are installed on the upper die holder 24, the fixing plate 25 is installed at one end of the upper die holder 24 close to the female die 21, the stamping head 26 in a T-shaped structure is installed inside the fixing plate 25, and the stamping head 26 is matched with the blanking hole 27, when in operation, because the base 1 and the upper die holder 24 are respectively fixed at the upper and lower ends of a punch press, therefore, the upper die holder 24 can approach the base 1 through the operation of the punch, and since the blanking holes 27 are formed through the central positions of the female die 21 and the base 1, the punching heads 26 fixed on the fixed plate 25 can be matched to punch the sheet material, and the finished product can fall from the blanking holes 27 and be collected.

Specifically, the lubricating structure 3 includes a check valve 31, an oil storage tank 32, a sealing plug 33, a piston 34, a sliding rod 35, a nozzle 36, a mounting plate 37, a first spring 38 and a communication hole 39, the check valve 31 is installed at one end of the fixing plate 25, the oil storage tank 32 in a rectangular annular structure is arranged inside the fixing plate 25, the sealing plug 33 is arranged at one end of the fixing plate 25 away from the check valve 31, the piston 34 in an annular structure is connected to the inside of the fixing plate 25 in a sliding manner, the sliding rod 35 in an annular structure is fixed at the bottom end of the piston 34, the nozzle 36 in an annular structure is arranged inside the sliding rod 35, the nozzle 36 and the punching head 26 are in an inclined structure, the sliding rod 35 slides relative to the fixing plate 25, and the piston 34, the sliding rod 35 and the nozzle 36 are communicated through the communication hole 39, the mounting plate 37 is fixed at one end of the sliding rod 35, the first spring 38 is clamped and fixed between the mounting plate 37 and the fixing plate 25, the oil storage tank 32 is arranged in the fixing plate 25, the sealing plug 33 capable of being taken down for oil injection is arranged at one end of the oil storage tank 32, the piston 34 in an annular structure is connected in the fixing plate 25 in a sliding manner, the sliding rod 35 in the annular structure is fixed at the bottom end of the piston 34, when the sliding rod 35 is pressed, the sliding rod 35 firstly collides with the female die 21, the sliding rod 35 drives the piston 34 to slide towards the inside of the oil storage tank 32, the communicating hole in the piston can be opened, the air pressure in the oil storage tank 32 can be increased, and at the moment, the lubricating oil in the oil storage tank 32 flows into the spray head 36 through the communicating hole 39, because the nozzle 36 is in an annular structure, lubricating oil can be injected into the outside of the stamping head 26 through the nozzle 36, so that when the stamping head 26 stamps sheet materials, the friction force between the lubricating oil and the sheet materials can be reduced, and the situation that burrs occur on a finished product is avoided, moreover, because the mounting plate 37 is fixed at one end of the sliding rod 35, the first spring 38 is clamped and fixed between the mounting plate 37 and the fixing plate 25, when the upper die base 24 ascends, the sliding rod 35 resets at the moment, so that the continuous operation is convenient, and because the check valve 31 is fixed at one end of the fixing plate 25, the air pressure in the oil storage tank 32 can be timely supplemented through the arrangement of the check valve 31, so that the normal operation of oil injection can be ensured.

Specifically, the guiding structure 4 includes supporting plates 41, clamping plates 42, guiding wheels 43 and bearings 44, two of the supporting plates 41 are vertically fixed at one end of the female die 21 in parallel, two of the clamping plates 42 are fixed at the opposite ends of the two supporting plates 41 in parallel in vertical relation, three guiding wheels 43 are installed inside the two clamping plates 42, and three guiding wheels 43 are rotated with the clamping plates 42 through the bearings 44, since two of the supporting plates 41 are installed in parallel relation at the feeding position of the female die 21, two of the clamping plates 42 are fixed at the opposite ends of the two supporting plates 41 in parallel relation, and three guiding wheels 43 are linearly and rotatably connected between the two clamping plates 42, when a metal sheet is required to enter a punching area for punching, the metal sheet is required to firstly to pass through between the six guiding wheels 43, through the arrangement of the six guide wheels 43, the metal sheet can be guided and limited, so that the condition that the metal sheet is clamped due to conveying deviation can be avoided.

Specifically, the feeding structure 5 includes a motor 51, a first pressing roller 52, a second pressing roller 53, a sliding chute 54, a sliding block 55, an adjusting screw 56, a first belt pulley 57, a belt 58 and a second belt pulley 59, the motor 51 is installed at the top end of the base 1, the first pressing roller 52 is rotatably connected between the two supporting plates 41, the sliding chutes 54 are respectively arranged on the two supporting plates 41, the sliding blocks 55 are respectively slidably connected inside the two sliding chutes 54, the second pressing roller 53 is rotated between the two sliding blocks 55, the adjusting screw 56 is respectively rotatably connected at one end of the two sliding blocks 55, the two adjusting screw 56 are respectively connected to the supporting plates 41 in a threaded manner, the first belt pulley 57 is fixed at one end of the motor 51, the second belt pulley 59 is fixed at one end of the first pressing roller 52, and the first belt pulley 57 and the second belt pulley 59 are driven by the belt 58, since the first press roller 52 is rotatably connected between the two support plates 41, the second press roller 53 is rotatably connected between the two sliders 55 slidably connected to the two support plates 41, and since the second press roller 53 is also height-adjustable by the adjusting screw 56, it is possible to adapt to metal sheet materials of different thicknesses, thereby increasing the applicability of the apparatus, and since the second pulley 59 is fixed to the outside of the first press roller 52 and the second pulley 59 is driven by the belt 58 to the first pulley 57 fixed to the motor 51, the motor 51 is operated to rotate the first press roller 52, and the metal sheet materials are moved by the rotation of the first press roller 52 and the pressing of the second press roller 53, thereby achieving the feeding effect, but also can flatten the metal sheet.

Specifically, clearance structure 6 includes box 61, pivot 62, the cover 63 of blowing, trachea 64, flabellum 65 and intake pipe 66 the top of base 1 is fixed box 61, the inside of box 61 is rotated and is connected with pivot 62, just pivot 62 with motor 51 is fixed, the outside of pivot 62 is the fixed a plurality of flabellums 65 that are the arc structure of annular array two the intake pipe 66 is fixed to the one end of box 61, two the backup pad 41 deviates from the fixed two of one end of die 21 the cover 63 of blowing, and two the cover 63 of blowing is respectively through two trachea 64 with the inside of box 61 communicates with each other, owing to rotate connect in box 61 inside pivot 62 with the installation first belt pulley 57 the motor 51 is fixed, consequently, during the pay-off of motor 51 work, can drive simultaneously pivot 62 rotates, because a plurality of arc-shaped fan blades 65 are fixed on the outer portion of the rotating shaft 62 in an annular array, the fan blades 65 can be driven to rotate through the rotation of the rotating shaft 62, at the moment, the air blower can play a role of an air blower, air entering from the air inlet pipe 66 can enter the air blowing sleeve 63 through the air pipe 64, and finally the air is blown out from the inclined air blowing sleeve 63, so that the air blowing work can be simultaneously carried out on two end faces of a metal sheet, and dust on the metal sheet can be blown off and cleaned, so that the damage to the punching head 26 can be avoided, and the quality of punched finished products can be guaranteed.

Specifically, the pressing structure 7 includes a fixing groove 71, a limiting plate 72, a first fixing block 73, a first roller 74, a second spring 75, a second fixing block 76, a second roller 77 and a third spring 78, two fixing grooves 71 are symmetrically arranged on the die 21, the limiting plate 72 is linearly slidably connected to the inside of the die 21, the first fixing block 73 is of a trapezoidal structure at one end fixing section of the limiting plate 72, the first fixing block 73 slides along with the die 21, the first roller 74 is rotatably connected to one end of the first fixing block 73, the second spring 75 is fixedly clamped between the limiting plate 72 and the die 21, the second fixing block 76 is slidably connected to the inside of the die 21, and the second roller 77 is rotatably connected to one end of the second fixing block 76, the third spring 78 is clamped and fixed between the second fixing block 76 and the female die 21, two fixing grooves 71 which are symmetrical are arranged in the female die 21, so that metal sheet materials can be conveniently conveyed and guided, the limiting plate 72 is connected to the top end of each fixing groove 71 in a sliding manner, the first fixing block 73 with the fixed cross section of one end of the limiting plate 72 in a trapezoidal structure is rotatably connected to one end of the first fixing block 73, the second spring 75 clamped on the limiting plate 72 and the female die 21 can press the metal sheet materials passing through under the elastic force action of the second spring 75, the metal sheet materials with different thicknesses can be pressed, the conveying smoothness of the metal sheet materials can be improved, and the second fixing block 76 is connected to the bottom end of each fixing groove 71 in a sliding manner, the second roller 77 is rotated at one end of the second fixing block 76, and the third spring 78 is clamped between the second fixing block 76 and the female die 21, so that the passing metal sheet can be jacked up and guided to slide by the elastic force of the third spring 78, and the guiding and sliding assisting effects can be achieved.

When the punching machine works, the base 1 and the upper die holder 24 are respectively fixed at the upper end and the lower end of the punching machine, so that the upper die holder 24 can approach the base 1 through the work of the punching machine, the blanking hole 27 is arranged at the central positions of the female die 21 and the base 1, the punching head 26 fixed on the fixed plate 25 can be matched to punch sheet materials, namely, finished products can fall and be collected from the blanking hole 27, the oil storage tank 32 is arranged in the fixed plate 25, the sealing plug 33 capable of being taken down and filled with oil is arranged at one end of the oil storage tank 32, the piston 34 in an annular structure is slidably connected in the fixed plate 25, the sliding rod 35 in an annular structure is fixed at the bottom end of the piston 34, and when the punching machine is used, the sliding rod 35 firstly collides with the female die 21, at this time, the sliding rod 35 drives the piston 34 to slide towards the inside of the oil storage tank 32, so that the communication hole on the piston can be opened, and the air pressure inside the oil storage tank 32 can be increased, at this time, the lubricating oil inside the oil storage tank 32 can flow into the inside of the spray head 36 through the communication hole 39, because the spray head 36 is in an annular structure, the lubricating oil can be injected to the outside of the punch head 26 through the spray head 36, so that when the punch head 26 punches a sheet material, the friction force with the sheet material can be reduced, and the situation that burrs occur on a finished product is avoided, and because the mounting plate 37 is fixed at one end of the sliding rod 35, the first spring 38 is clamped and fixed between the mounting plate 37 and the fixing plate 25, when the upper die holder 24 rises, the sliding rod 35 resets, the continuous work is convenient, and because the one-way valve 31 is fixed at one end of the fixing plate 25, the air pressure in the oil storage tank 32 can be supplemented in time through the arrangement of the one-way valve 31, so that the normal work of oil injection can be ensured; because two support plates 41 are arranged at the feeding position of the female die 21 in parallel, two clamping plates 42 are fixed at the opposite ends of the two support plates 41 in parallel, and three guide wheels 43 are linearly and rotatably connected between the two clamping plates 42, when metal sheet materials need to enter a punching area for punching, the metal sheet materials need to pass through the six guide wheels 43, and the six guide wheels 43 can guide and limit the metal sheet materials, thereby avoiding the phenomenon of conveying offset and jamming of the metal sheet materials, because the first press roller 52 is rotatably connected between the two support plates 41, the second press roller 53 is rotatably connected between the two slide blocks 55 which are slidably connected with the two support plates 41, and because the second press roller 53 can also perform height adjustment through the adjusting screw 56, therefore, the device can be suitable for metal sheet materials with different thicknesses, the applicability of the device can be increased, and the second belt pulley 59 is fixed outside the first pressure roller 52, and the second belt pulley 59 is in transmission with the first belt pulley 57 fixed on the motor 51 through the belt 58, so that the motor 51 works to drive the first pressure roller 52 to rotate, and the metal sheet materials can be moved through the rotation of the first pressure roller 52 and the pressing of the second pressure roller 53, so that the feeding effect and the flattening effect on the metal sheet materials can be achieved; since the rotating shaft 62 rotatably connected to the inside of the case 61 is fixed to the motor 51 on which the first pulley 57 is mounted, when the motor 51 is operated to feed, the rotating shaft 62 can be driven to rotate at the same time, since a plurality of arc-shaped fan blades 65 are fixed on the outer portion of the rotating shaft 62 in an annular array, by the rotation of the rotating shaft 62, the fan blade 65 can be driven to rotate, and at this time, the fan blade can play a role of a blower, so that the gas entering from the gas inlet pipe 66 can enter the inside of the air blowing sleeve 63 through the gas pipe 64, and finally the gas is blown out from the inclined air blowing sleeve 63, so that the two end surfaces of the metal sheet can be simultaneously blown, and the dust on the metal sheet can be blown off and cleaned, thereby avoiding the damage of the punching head 26 and ensuring the quality of the punched finished product; because two fixing grooves 71 which are in a symmetrical relation are arranged in the female die 21, metal sheet conveying guiding can be facilitated, in addition, because the limiting plate 72 is connected to the top end of the fixing groove 71 in a sliding way, the first fixing block 73 with the trapezoidal structure at the fixed cross section at one end of the limiting plate 72 is rotatably connected to the first roller 74 at one end of the first fixing block 73, the passing metal sheets can be pressed under the elastic action of the second spring 75 through clamping of the second spring 75 on the limiting plate 72 and the female die 21, metal sheets with different thicknesses can be pressed, the conveying smoothness of the metal sheets can be further improved, in addition, because the second fixing block 76 is connected to the bottom end of the fixing groove 71 in a sliding way, the second roller 77 is rotated at one end of the second fixing block 76, by clamping the third spring 78 between the second fixing block 76 and the female die 21, the passing metal sheet can be jacked up to guide and slide through the elastic force of the third spring 78, so that the guide and slide assisting effects can be achieved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lubricated mechanism of punching press head which characterized in that: the automatic oil injection lubricating device comprises a base (1), a stamping structure (2), a lubricating structure (3), a guide structure (4), a feeding structure (5), a cleaning structure (6) and a pressing structure (7), wherein the stamping structure (2) for stamping a round part is arranged at the top end of the base (1) for connecting, fixing and installing other parts, and the lubricating structure (3) for performing oil injection lubrication on the stamping structure (2) is arranged in the stamping structure (2); a guide structure (4) for guiding metal sheet materials is arranged at one end of the stamping structure (2), and a feeding structure (5) for conveying sheet coil materials to the interior of the stamping structure (2) for stamping is arranged at one end of the guide structure (4); the cleaning structure (6) for cleaning dust on the sheet materials is arranged at one end of the guide structure (4), and the pressing structure (7) for pressing and guiding the sheet materials with different thicknesses is arranged in the stamping structure (2);

the stamping structure (2) comprises a female die (21), a guide post (22), a guide sleeve (23), an upper die base (24), a fixing plate (25), a stamping head (26) and a blanking hole (27), the female die (21) is arranged at the top end of the base (1), the blanking hole (27) penetrates through the center positions of the female die (21) and the base (1), four guide posts (22) are vertically fixed on the top end of the base (1) in a pairwise symmetrical relationship, four guide sleeves (23) are connected outside the four guide posts (22) in a sliding manner, the four guide sleeves (23) are arranged on the upper die holder (24), one end of the upper die holder (24) close to the female die (21) is provided with the fixed plate (25), the punching head (26) in a T-shaped structure is arranged inside the fixing plate (25), and the punching head (26) is matched with the blanking hole (27);

lubricating structure (3) includes check valve (31), oil storage tank (32), sealing plug (33), piston (34), slide bar (35), shower nozzle (36), mounting panel (37), first spring (38) and intercommunicating pore (39) the one end installation of fixed plate (25) check valve (31) be equipped with in the inside of fixed plate (25) and be rectangle annular structure oil storage tank (32) fixed plate (25) deviate from the one end of check valve (31) is equipped with sealing plug (33) the inside sliding connection of fixed plate (25) has piston (34) that is annular structure the bottom mounting of piston (34) is annular structure slide bar (35) the inside of slide bar (35) is equipped with and is annular structure shower nozzle (36), just shower nozzle (36) with punching press head (26) are the slope column structure, the sliding rod (35) slides with the fixing plate (25), the piston (34), the sliding rod (35) and the spray head (36) are communicated through the communication hole (39), the mounting plate (37) is fixed at one end of the sliding rod (35), and the first spring (38) is clamped and fixed between the mounting plate (37) and the fixing plate (25).

2. A punch head lubrication mechanism as claimed in claim 1, wherein: guide structure (4) are including backup pad (41), splint (42), leading wheel (43) and bearing (44), two backup pad (41) are parallel relationship vertical fixation in the one end of die (21) two the one end that backup pad (41) is relative all is the fixed two of perpendicular relationship and is parallel relationship splint (42) two the internally mounted of splint (42) is three leading wheel (43), and three leading wheel (43) all passes through bearing (44) with splint (42) rotate.

3. A ram head lubrication mechanism according to claim 2, wherein: the feeding structure (5) comprises a motor (51), a first pressing roller (52), a second pressing roller (53), sliding grooves (54), sliding blocks (55), adjusting screws (56), a first belt pulley (57), a belt (58) and a second belt pulley (59), wherein the motor (51) is installed at the top end of the base (1), the first pressing roller (52) is rotatably connected between the two supporting plates (41), the sliding grooves (54) are respectively arranged on the two supporting plates (41), the sliding blocks (55) are respectively and slidably connected inside the two sliding grooves (54), the second pressing roller (53) is rotated between the two sliding blocks (55), the adjusting screws (56) are respectively and rotatably connected at one ends of the two sliding blocks (55), and the two adjusting screws (56) are respectively and threadedly connected to the supporting plates (41), the first belt pulley (57) is fixed at one end of the motor (51), the second belt pulley (59) is fixed at one end of the first pressing roller (52), and the first belt pulley (57) and the second belt pulley (59) are driven by the belt (58).

4. A punch head lubrication mechanism as claimed in claim 3, wherein: clearance structure (6) are including box (61), pivot (62), the cover of blowing (63), trachea (64), flabellum (65) and intake pipe (66) the top of base (1) is fixed box (61) the inside of box (61) is rotated and is connected with pivot (62), just pivot (62) with motor (51) is fixed the outside of pivot (62) is the fixed a plurality of arc structures that are of annular array flabellum (65) the one end of box (61) is fixed intake pipe (66), two backup pad (41) deviates from the one end of die (21) is fixed two cover of blowing (63), and two cover of blowing (63) is respectively through two trachea (64) with the inside of box (61) communicates with each other.

5. A punch head lubrication mechanism as claimed in claim 1, wherein: the pressing structure (7) comprises a fixing groove (71), a limiting plate (72), a first fixing block (73), a first idler wheel (74), a second spring (75), a second fixing block (76), a second idler wheel (77) and a third spring (78), wherein the two fixing grooves (71) are symmetrically arranged on the female die (21), the inside of the female die (21) is linearly connected with the limiting plate (72) in a sliding manner, the first fixing block (73) is of a trapezoid structure in the fixing section at one end of the limiting plate (72), the first fixing block (73) slides with the female die (21), the first idler wheel (74) is rotatably connected to one end of the first fixing block (73), the second spring (75) is fixedly clamped between the limiting plate (72) and the female die (21), the second fixing block (76) is slidably connected to the inside of the female die (21), one end of the second fixing block (76) is rotatably connected with the second roller (77), and the third spring (78) is clamped and fixed between the second fixing block (76) and the female die (21).