CN113319213A - Rapid forming and manufacturing device for creative support hinge of upper turnover door of draw-bar box - Google Patents
Rapid forming and manufacturing device for creative support hinge of upper turnover door of draw-bar box Download PDFInfo
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- CN113319213A CN113319213A CN202110634020.4A CN202110634020A CN113319213A CN 113319213 A CN113319213 A CN 113319213A CN 202110634020 A CN202110634020 A CN 202110634020A CN 113319213 A CN113319213 A CN 113319213A
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- base
- groove
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- bending
- pressure spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/38—Making other particular articles locksmith's goods, e.g. handles
- B21D53/40—Making other particular articles locksmith's goods, e.g. handles hinges, e.g. door hinge plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention provides a device for quickly forming and preparing an creative support hinge of an upturned door of a draw-bar box, which relates to the technical field of production and processing of bags and comprises a base, wherein the base is of a rectangular block structure, the top surface of the base is a plane, two sunken first-stage bending grooves are formed in the top end of the base, each sunken first-stage bending groove is a U-shaped groove, the distance between the two first-stage bending grooves is the front and rear edge width of a plate blank, and a second bending groove is formed in the left end of each first-stage bending groove; according to the invention, the inner wall of the hole is scraped through the barb groove, and the barb groove is matched with the sliding connection of the guide sliding groove and the cylindrical pin rod, so that the barb groove also has reciprocating rotation action in the scraping process, the precision of the inner wall of the round hole after punching the surface of the plate blank is improved, the quality after forming the surface of the plate blank is improved, the complex operation of polishing the inner wall of the round hole by replacing a station in the subsequent process is avoided, and the installation firmness of the round hole is improved.
Description
Technical Field
The invention relates to the technical field of luggage production and processing, in particular to a device for quickly forming and preparing an creative support hinge of an upturned door of a draw-bar box.
Background
The bag is a general name of bags, and is a general name of various bags for holding articles, including general shopping bags, handbags, purses, backpacks, single-shoulder bags, satchels, waist bags, various draw-bar boxes and the like, and in the prior art, in order to meet market demands, the bag is designed in an original way to obtain more approval of consumers, for example, various good-looking figures and ornaments are embedded on the outer surface of the draw-bar box;
currently, the draw-bar box has an upper shell and a lower shell, the upper shell and the lower shell are fixed by a hinge, the upper turnover door and the lower turnover door are turned over, the hinge is in the actual preparation process, as patent No. CN201610894929.2 discloses a primary punching and curling forming process for a primary hinge and a secondary hinge, the process comprises the following steps: a. raw material steel plates enter from a feeding hole, and are punched, counter bored and blanked under the metal punching and blanking process to manufacture a semi-finished product of the hinge punching die; b. pre-bending the hinge crankshaft by a metal pre-bending process; c. the metal hinge is pre-bent through a metal pre-bending process, and a hinge bent pipe is transversely stamped by a pipe bending die at one time; d. the bent pipe forming hinge enters a notching die, and is longitudinally punched and formed at one time by the notching die, so that the primary and secondary hinges form a two-piece conjoined structure which is beneficial to polishing and electroplating in a post process after notching. The punching system, the bending system and the notching forming system are unified, so that the safety coefficient of a product in the production process is effectively improved, the production cost is reduced, the quality of the product is improved, and the service life of the product is prolonged.
The hinge technology disclosed by the patent still has some defects in the actual processing process, and the specific defects are as follows:
present, the hinge is at the in-process, once can only prepare the shaping to a hinge, and often need bend through the cubic and just can bend into the otic placode of round hole form with the slab edge, one processing and need bend many times and make hinge production efficiency very low, and the hinge surface often need set up the round hole that a plurality of link up in the production process, so that the installation and the fixed of installation hinge, so current, the hinge is in the production process, need carry out to come and go the transfer between a plurality of stations to the hinge, cause hinge production efficiency very low, seriously influence the production speed of hinge.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a device for quickly forming and preparing an creative support hinge of an upturned door of a draw-bar box, which solves the technical problems that in the existing hinge, only one hinge can be formed at a time in the actual process, and the edge of a plate blank can be bent into a round-hole-shaped lug plate through three times of bending, the hinge is very low in production efficiency due to one time of processing and multiple times of bending, and a plurality of through round holes are required to be formed on the surface of the hinge in the production process so as to be convenient for mounting and fixing the hinge.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a pull rod box upturning door creative support hinge rapid prototyping preparation device comprises a base, wherein the base is arranged to be a rectangular block structure, the top surface of the base is a plane, two sunken first-stage bending grooves are formed in the top end of the base, each sunken first-stage bending groove is arranged to be a U-shaped groove, the distance between the two first-stage bending grooves is the front and back edge width of a plate blank, a second bending groove is formed in the left end of each first-stage bending groove, and the bottom surface of each second bending groove is an arc surface;
the top end of the base is fixedly provided with a top supporting plate, two pressing bases are fixedly arranged below the top supporting plate, primary bending ejector rods are symmetrically and fixedly arranged at the bottom ends of the pressing bases on the left side, and secondary bending ejector rods are symmetrically and fixedly arranged at the bottom ends of the pressing bases on the right side;
the two symmetrically arranged primary bending ejector rods are erected above the first-stage bending groove at the bottom end of the pressing base, and the two symmetrically arranged secondary bending ejector rods are erected right above the corresponding second bending groove at the bottom end of the other pressing base;
the top end of the top supporting plate is fixedly provided with two hydraulic cylinders, each hydraulic cylinder extends downwards to form a piston rod, the two pressing bases are respectively fixed at the bottom ends of the corresponding piston rods, the top end of the top supporting plate is provided with a plurality of through holes, the top end of each pressing base is fixedly provided with a lifting shaft rod which is upright on the top end of the pressing base, and each lifting shaft rod penetrates through the through holes in a sliding fit mode to extend out of the top end of the top supporting plate;
the top end of the left side of the inner wall of the first-stage bending groove on each side is provided with an arc-shaped surface, and the bottom end surfaces of the two symmetrically arranged first-stage bending ejector rods are provided with second arc-shaped surfaces corresponding to the arc-shaped surfaces at the top ends of the first-stage bending grooves.
As a preferred technical scheme of the present invention, the bottom end of one of the pressing bases includes a hole drill, a pressing plate, a pressing spring, and a pressing spring groove, the middle of the bottom end of the pressing base is provided with a plurality of hole drills standing upright at the bottom end of the pressing base, each hole drill is provided with a cylindrical structure, and the bottom end of each hole drill is provided with a conical surface;
the bottom end of the pressing base is provided with two pressure spring grooves, each pressure spring groove is an elongated groove, the bottom surface of each pressure spring groove is fixedly provided with a plurality of pressure springs at equal intervals, and the bottom ends of the plurality of pressure springs at the bottom surface of each pressure spring groove are fixedly provided with a pressure plate;
as a preferred technical scheme of the present invention, the bottom end of the pressing base is provided with a plurality of first sliding holes, the top end of each hole drill extends into the corresponding first sliding hole in a sliding fit manner, the inner wall of each first sliding hole is symmetrically and fixedly provided with at least two cylindrical pin rods, the outer circumferential surface of each cylindrical pin rod is provided with an S-shaped guide chute, the cylindrical pin rods are connected to the guide chutes corresponding to the outer circumferential surfaces of the cylindrical pin rods in a sliding manner, and the top end of each cylindrical pin rod extending into the first sliding hole is fixedly provided with a first pressure spring.
As a preferred technical scheme of the present invention, a plurality of recessed barb grooves are formed on an outer circumferential surface of each of the trepanning drills at equal intervals, each of the barb grooves is a V-shaped groove, and each of the barb grooves is provided as a bottom surface.
As a preferred technical scheme of the invention, the bottom end of the other pressing base comprises a chamfer drill, a second pressure spring groove, a second pressure spring, a secondary bending ejector rod, a second pressure spring plate and a splitting knife switch, wherein the bottom end of the pressing base is provided with two second pressure spring grooves, each second pressure spring groove is provided with an elongated groove, the bottom surface of each second pressure spring groove is fixedly provided with a plurality of second pressure springs at equal intervals, and the bottom ends of the plurality of second pressure springs on the bottom surface of each second pressure spring groove are fixedly provided with the second pressure spring plate;
a plurality of chamfering drills are fixedly arranged at the bottom end of the pressing base at equal intervals, and a conical surface is arranged at the edge of the bottom surface of each chamfering drill;
the bottom of pressing the base sets firmly upright splitting plug-in strip down, the splitting plug-in strip sets up to the long sword, the splitting plug-in strip is pressing base middle part and pressing base front and back both sides parallel distribution.
As a preferred technical scheme of the present invention, the splitting blade includes second inverted tooth hooks and blade edges, wherein a plurality of second inverted tooth hooks are symmetrically disposed on front and rear side walls of the splitting blade, each of the second inverted tooth hooks is configured as a V-shaped groove, and upright blade edges are symmetrically and fixedly disposed at a bottom end of the splitting blade and close to left and right sides of the splitting blade.
As a preferred technical scheme of the invention, the two second bending grooves at the top end of the base respectively comprise a lifting hole, a lifting shaft, a third pressure spring, a pressure spring pressing block, a sliding block, a roller, a mandril and a telescopic shaft lever,
sliding grooves are symmetrically formed in the top end of the base and positioned on the front side and the rear side of the two second bending grooves, a tongue pressing block is connected into each sliding groove in a sliding mode, the top end of each tongue pressing block protrudes out of the top end of the base, and one side wall of each tongue pressing block is an inclined plane;
a third pressure spring is fixedly installed at the bottom end of the tongue pressing block which is connected in the sliding groove in a sliding mode, a lifting shaft which is vertical downwards is fixedly installed at the bottom end of the tongue pressing block, the third pressure spring is fixedly arranged on the outer circular surface of the lifting shaft, a lifting hole is formed in the bottom end of the sliding groove, the bottom end of the lifting shaft extends into the lifting hole in a sliding connection mode, and a sliding block is arranged at the bottom end of the lifting shaft extending into the lifting hole;
a telescopic shaft lever is connected close to the sliding groove in a sliding manner, the middle part of the telescopic shaft lever is rotatably connected with a roller, the roller is arranged in the middle part of the telescopic shaft lever and is vertical to the telescopic shaft lever, the roller extends into the sliding groove through sliding connection, and the roller extending into the sliding groove is in rolling contact with an inclined surface on one side of the tongue depressing block;
one end of the telescopic shaft lever is fixedly provided with an ejector rod, and the ejector rod extends into the inner wall of the second bending groove in a sliding fit manner;
one end of the telescopic shaft rod penetrates through the base through sliding connection and extends out of the outer side wall of the base, a pressure spring pressing block is fixedly arranged at the top end of the telescopic shaft rod extending out of the base, and a third pressure spring is fixedly arranged between the pressure spring pressing block and the outer side wall of the base.
As a preferred technical scheme of the present invention, when the lift pin does not operate, the height of the lift pin on the inner wall of the second bending groove is equal to the height of the inner wall surface of the second bending groove.
As a preferred technical scheme of the present invention, a plurality of top support rods standing upright on the top end of the base are fixedly arranged at equal intervals on the top end of the base, and a plurality of guide grooves corresponding to the top support rods are arranged at the bottom ends of the two pressing bases.
As a preferred technical solution of the present invention, a downward vertical switch breaking knife is fixedly disposed at the bottom end of the pressing base located on the left side, and the switch breaking knife is close to the left side wall of the pressing base at the bottom end of the pressing base.
Compared with the prior art, the invention at least comprises the following beneficial effects:
firstly, the slab is placed on the base, and is intermittently pushed to slide leftwards on the base, so that the slab stays for a short time in the process of moving leftwards on the base, and the two pressing bases can be alternately pressed downwards in a reciprocating manner, the hinge comprises a hinge body, a hinge base, a pressing base and a hinge lug, wherein the pressing base is arranged on the hinge body, the pressing base is arranged on the left side of the hinge body, the pressing base is arranged on the right side of the hinge body, the pressing base is arranged on the left side of the hinge body, and the pressing base is arranged on the left side of the hinge body.
Secondly, the hinge is bent for the second time and the bending efficiency is obviously improved, the hinge production precision under the common use scenes of bags and the like is met by the process that the leftmost pressing base is pressed downwards in a reciprocating way, the tongue pressing block is pressed downwards in advance and pushed to extend out of the second bending groove by the tongue pressing block, the edge of the plate blank bent by the right pressing base is pushed to enable the edge of the plate blank bent into an arc shape to be gradually rolled up under the guiding of the push rod in a pushing and matching mode with the inner wall of the second bending groove, the plate blank is prevented from tilting through the compression of the second pressing plate in the pushing process of the push rod, the middle of the lug plate rolled into a round hole shape is pushed downwards through the backward downward jacking of the second-stage bending push rod, and the edge of the plate blank is rolled into a round hole shape.
Three, this application has the trompil to bore through pressing down base bottom fixed mounting on the rightmost side, through pressing the in-process that the base descends downwards, when bending to slab edge, still can be to slab surface trompil, realize pressing down the base and descend downwards once, can accomplish the action of bending and the trompil on surface to slab edge simultaneously, reduce the loaded down with trivial details operation that slab production each step need change a station, improve the shaping preparation efficiency of slab, this application is through bending and the trompil in-process to slab edge, utilize the pressure strip to press down on the base top earlier and make the slab installation firm, be favorable to improving the bending precision and the trompil precision of slab, improve the quality after the hinge shaping.
Fourthly, the open hole drill provided by the application is supported in the first sliding hole through the cylindrical pin rod through the first pressure spring, so that each open hole drill can ascend and descend on the bottom surface of the pressing base, the structure has the advantages that in the downward descending process of the pressing base, the bottom end of the open hole drill can be in pre-contact with the surface of a plate blank in advance, the bottom end of the open hole drill realizes pre-positioning of the open hole drill on the surface of the plate blank, in the downward descending process of the pressing base, the cylindrical pin rod is fixedly arranged in the first sliding hole, the open hole drill slides upwards in the first sliding hole, through the matching of the guide sliding chute and the cylindrical pin rod, the open hole drill also has the reciprocating rotation function in the upward sliding process in the first sliding hole, in the downward descending process of the pressing base, after the open hole drill rotates to pre-open hole positioning in advance on the surface of the plate blank in a reciprocating manner, through downward pressing of the pressing base, through pre-opening and positioning of the open hole drill, make the trompil bore more easily accurate to the slab surface punches a hole, improve the precision that the trompil bored and punched a hole, avoid punching a hole the in-process and slide, improve the installation fastness of the process of punching a hole.
And fifthly, the barb groove is formed in the outer circular surface of the hole drill, so that after the hole drill punches a hole on the surface of the plate blank, the hole drill scrapes the inner wall of the punched hole through the barb groove in the process of upwards pulling out the hole drill from the punched inner wall of the punched hole, and the barb groove also has reciprocating rotation action in the scraping process in cooperation with the sliding connection between the guide sliding groove and the cylindrical pin rod, so that the precision of the inner wall of the round hole punched on the surface of the plate blank is improved, the quality of the formed surface of the plate blank is improved, the complex operation of polishing the inner wall of the round hole by replacing a station in the subsequent process is avoided, and the installation firmness of the round hole is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic front view structural view of a creative support hinge rapid forming preparation device for an upturned door of a draw-bar box, provided by the invention;
FIG. 2 is a schematic left sectional view of the leftmost pressing base according to the present invention;
FIG. 3 is a schematic left sectional view of the right pressing base according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2;
FIG. 5 is a schematic cross-sectional view of the drill slidably connected within the first slide hole of the present invention;
FIG. 6 is a schematic top view of the base of the present invention;
FIG. 7 is a schematic view of the configuration of the slab of the present invention resting on the top surface of the top seat;
FIG. 8 is a schematic left side sectional view of a slab of the present invention;
FIG. 9 is a schematic view of the separation of the hinge after the left end of the slab is formed according to the present invention;
FIG. 10 is a schematic view of a separated three-dimensional structure of a hinge after the left end of a slab is prepared and molded;
in the figure: 1. a base; 2. a side support base; 3. a support rail; 4. a top support plate; 5. a hydraulic cylinder; 6. a lifting shaft lever; 7. a piston rod; 8. pressing the base; 801. a first slide hole; 802. a first pressure spring; 803. breaking the knife; 804. a cylindrical pin rod; 9. bending the ejector rod at the first stage; 10. a top support bar; 11. a first stage bending groove; 12. drilling holes; 1201. a guide chute; 13. a barb groove; 14. a compression plate; 15. a pressure spring; 17. a compression spring groove; 18. chamfering; 19. a slider; 21. a second compression spring groove; 22. a second pressure spring; 23. bending the ejector rod in a second stage; 24. a second compression plate; 25. a tongue pressing block; 26. a chute; 27. a third pressure spring; 28. a second bending groove; 29. splitting a knife switch; 2901. a second inverted tooth hook; 2902. a gate blade; 30. a guide groove; 31. a lifting hole; 32. a lifting shaft; 33. a third pressure spring; 34. pressing a pressure spring into a block; 19. a slider; 35. a roller; 36. a top rod; 37. a telescopic shaft lever.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
Please refer to fig. 1-10, which are schematic overall structural views of a device for rapidly forming and manufacturing an innovative support hinge of an upturned door of a draw-bar box;
a rapid forming preparation device for creative support hinges of an upturning door of a draw-bar box comprises a base 1, wherein the base 1 is arranged to be a rectangular block structure, the base 1 is horizontally fixed on the ground, the top surface of the base 1 is a plane, two sunken first-stage bending grooves 11 are formed in the top end of the base 1, each sunken first-stage bending groove 11 is formed to be a U-shaped groove, the distance between the two first-stage bending grooves 11 is the width of the front edge and the back edge of a plate blank, a second bending groove 28 is formed in the left end of each first-stage bending groove 11, and the bottom surface of each second bending groove 28 is an arc surface;
a top supporting plate 4 is fixedly installed at the top end of the base 1, two pressing bases 8 are fixedly arranged below the top supporting plate 4, primary bending ejector rods 9 are symmetrically and fixedly arranged at the bottom ends of the pressing bases 8 on the left side, and secondary bending ejector rods 23 are symmetrically and fixedly arranged at the bottom ends of the pressing bases 8 on the right side;
two symmetrically arranged first-stage bending ejector rods 9 are erected above the first-stage bending groove 11 at the bottom end of the pressing base 8, and two symmetrically arranged second-stage bending ejector rods 23 are erected above the corresponding second bending groove 28 at the bottom end of the other pressing base 8;
the front end and the rear end of the base 1 are symmetrically and fixedly provided with convex side support bases 2, the two ends of a top support plate 4 are fixedly provided with support cross rods 3 for supporting and fixing, and each side support cross rod 3 is fixed on the side support base 2 on the corresponding side; the top end of the top supporting plate 4 is fixedly provided with two hydraulic cylinders 5, each hydraulic cylinder 5 extends downwards to form a piston rod 7, two pressing bases 8 are respectively fixed at the bottom ends of the corresponding piston rods 7, the top end of the top supporting plate 4 is provided with a plurality of through holes, the top end of each pressing base 8 is fixedly provided with a lifting shaft lever 6 which is upright at the top end of the pressing base 8, and each lifting shaft lever 6 penetrates through the through holes in a sliding fit mode to extend out of the top end of the top supporting plate 4;
wherein, the arcwall face has been seted up on the inner wall left side top of the first order groove 11 of bending of each side, and the second arcwall face corresponding with the first order groove 11 top arcwall face of bending is seted up to two one-level ejector pin 9 bottom faces that the symmetry set up.
Specifically, the invention makes the slab stay for a short time in the process of moving leftwards on the base 1 by intermittently pushing the slab to slide leftwards on the base 1 by placing the slab on the base 1 so as to facilitate the alternate reciprocating downward pressing of the two pressing bases 8, the hinge is characterized in that the two pressing bases 8 are used for alternately pressing downwards in a reciprocating mode, the hinge ear edges can be bent and formed for two times, the problem that in the prior art, the ear edges can be bent into a round hole shape only by three times of stamping is solved, the production efficiency of the hinge is remarkably improved, the two ends of the plate blank are bent and formed at the same time, the plate blank is split downwards in the middle by the leftmost pressing base 8, the two plate blanks are bent and formed for one time, and the production efficiency of the hinge is further remarkably improved.
Wherein, the blank of this application is left intermittent type nature slip on base 1, and the accessible is artifical carries out intermittent type nature and promotes, also can carry out intermittent type nature to the blank through utilizing sheave intermittent type mechanism to promote, makes the blank remove the distance between the blank each time, can improve the conveying efficiency of blank effectively.
Specifically, the two bases 8 are alternately pressed downwards in a reciprocating manner, the first-stage bending ejector rod 9 below the rightmost pressing base 8 is pressed downwards, the arc-shaped surface at the top end of the first-stage bending groove 11 and the arc-shaped surface at the bottom end of the first-stage bending ejector rod 9 are matched for pressing, the edges of the two ends of each plate blank are bent into arcs, the plate blanks bent into the arcs are moved leftwards by intermittent movement for a distance of one plate blank, the leftmost pressing base 8 is pressed downwards in a reciprocating manner, the plate blanks bent into the arc-shaped shapes at the two ends are bent into round holes, secondary bending forming is realized, the bending efficiency is remarkably improved, the process meets the hinge production precision in common use scenes such as bags and the like, wherein in the process of pressing the leftmost pressing base 8 downwards in a reciprocating manner, the tongue pressing block 25 is pressed downwards in advance, and the tongue block 25 is pressed to push the ejector rod 36 to extend into the second bending groove 28, the edge of the plate blank bent by the right pressing base 8 is pushed to enable the edge of the plate blank bent into an arc shape to be pushed by the ejector rod 36 to be matched with the inner wall of the second bending groove 28 for guiding and gradually rolling up, the plate blank is prevented from tilting through the compression of the second pressing plate 24 in the pushing process of the ejector rod 36, then the middle of the lug plate rolled into a round hole shape is pushed downwards through the backward downward jacking of the secondary bending ejector rod 23, and the edge of the plate blank is rolled into a round hole shape.
The bottom end of one of the pressing bases 8 comprises a hole drilling drill 12, a pressing plate 14, a pressure spring 15 and a pressure spring groove 17, the middle of the bottom end of the pressing base 8 is provided with a plurality of hole drilling drills 12 which are vertical to the bottom end of the pressing base 8, each hole drilling drill 12 is of a cylindrical structure, and the bottom end of each hole drilling drill 12 is of a conical surface;
the bottom end of the pressing base 8 is provided with two compression spring grooves 17, each compression spring groove 17 is an elongated groove, the bottom surface of each compression spring groove 17 is fixedly provided with a plurality of compression springs 15 at equal intervals, and the bottom ends of the plurality of compression springs 15 at the bottom surface of each compression spring groove 17 are fixedly provided with a compression plate 14;
wherein, this application is through bending and trompil in-process to the slab edge, utilizes the pressure strip 14 to press down the messenger slab installation to base 1 top earlier, is favorable to improving the bending precision and the trompil precision of slab, improves the quality after the hinge shaping.
The bottom end of the pressing base 8 is provided with a plurality of first slide holes 801, the top end of each hole drilling drill 12 extends into the corresponding first slide hole 801 in a sliding fit mode, at least two cylindrical pin rods 804 are symmetrically and fixedly arranged on the inner wall of each first slide hole 801, an S-shaped guide chute 1201 is formed in the outer circular surface of each cylindrical pin rod 804, the cylindrical pin rods 804 are connected into the guide chutes 1201 corresponding to the outer circular surface of each cylindrical pin rod 804 in a sliding manner, and a first pressure spring 802 is fixedly mounted at the top end of each cylindrical pin rod 804 extending into the first slide hole 801.
Specifically, the trepanning drill 12 provided by the present application is supported by the first pressure spring in the first sliding hole 801 through the cylindrical pin 804, so that each trepanning drill 12 can be lifted up and down on the bottom surface of the pressing base 8, and this structure brings about the advantages that, in the process of downward falling of the pressing base 8, the bottom end of the trepanning drill 12 is in contact with the surface of the slab in advance, the bottom end of the trepanning drill 12 realizes the prepositioning of the trepanning drill 12 on the surface of the slab, in the process of downward falling of the pressing base 8, because the cylindrical pin 804 is fixedly arranged in the first sliding hole 801, the trepanning drill 12 slides upward in the first sliding hole 801, and through the cooperation of the guide chute 12 and the cylindrical pin 804, the trepanning drill 12 also has the function of reciprocating rotation in the process of upward sliding in the first sliding hole 801, so that in the process of downward falling of the pressing base 8, the trepanning drill 12 first reciprocates and rotates to the surface of the slab to the position, the rethread presses down of base 8, and through trompil and the location in advance of trompil brill 12, it is more light accurate to punch a hole to the slab surface that makes trompil brill 12, improves the precision that trompil brill 12 punched a hole, avoids punching a hole the in-process and slides, improves the installation fastness of the process of punching a hole.
It is specific, this application has the trompil to bore 12 through pressing down 8 bottom fixed mounting of base on the rightmost side, through pressing the in-process that base 8 descends downwards, when bending to slab edge, still can be to slab surface trompil, the realization is pressed down base 8 and is descended downwards once, can accomplish the action of bending and surperficial trompil to slab edge simultaneously, reduce the loaded down with trivial details operation that slab production each step need change a station, improve the shaping preparation efficiency of slab, this application is through bending and the trompil in-process to slab edge, utilize the pressure strip 14 to press down to base 1 top earlier and make the slab installation firm, be favorable to improving the bending precision and the trompil precision of slab, improve the quality after the hinge shaping.
A plurality of sunken barb grooves 13 are seted up to the outer disc of each trompil brill 12 equidistant, and each barb groove 13 is the V-arrangement groove, and each barb groove 13 all sets up to the bottom surface.
Specifically, the barb groove 13 is formed in the outer circular surface of the opening drill 12, so that after the opening drill 12 punches a hole in the surface of a plate blank, the inner wall of the hole is scraped through the barb groove 13 in the process that the opening drill 12 is upwards pulled out from the punched inner wall of the hole, and the barb groove 13 is matched with the sliding connection between the guide chute 12 and the cylindrical pin rod 804, so that the barb groove 13 also has reciprocating rotation action in the scraping process, the precision of the inner wall of the circular hole after the punching of the surface of the plate blank is improved, the quality after the surface of the plate blank is formed is improved, the tedious operation that the working position is required to be replaced to polish the inner wall of the circular hole in the subsequent working procedure is omitted, and the installation firmness of the circular hole is improved.
The bottom end of the other pressing base 8 comprises a chamfer drill 18, second pressure spring grooves 21, second pressure springs 22, a secondary bending ejector rod 23, second pressure plates 24 and a splitting knife switch 29, the bottom end of the pressing base 8 is provided with two second pressure spring grooves 21, each second pressure spring groove 21 is provided with an elongated slot, the bottom surface of each second pressure spring groove 21 is fixedly provided with a plurality of second pressure springs 22 at equal intervals, and the bottom ends of the plurality of second pressure springs 22 at the bottom surface of each second pressure spring groove 21 are fixedly provided with the second pressure plates 24;
pressing 8 bottoms of base equidistant a plurality of chamfer drills 18 that have set firmly, the conical surface has been seted up at 18 bottom surface borders of each chamfer drill, bores 18 through a plurality of chamfer and presses 8 bottoms of base in leftmost side, utilizes 18 bottoms of chamfer drills to press down and carries out the radius angle to the hole top that split drill 12 opened.
The two second bending grooves 28 at the top end of the base 1 respectively comprise a lifting hole 31, a lifting shaft 32, a third pressure spring 33, a pressure spring pressing block 34, a sliding block 19, a roller 35, an ejector rod 36 and a telescopic shaft lever 37,
sliding grooves 26 are symmetrically formed in the front side and the rear side of the top end of the base 1 and positioned in the two second bending grooves 28, a tongue pressing block 25 is connected in each sliding groove 26 in a sliding mode, the top end of each tongue pressing block 25 protrudes out of the top end of the base 1, and one side wall of each tongue pressing block 25 is an inclined plane;
a third pressure spring 33 is fixedly installed at the bottom end of the tongue pressing block 25 which is slidably connected in the chute 26, a lifting shaft 32 which is vertical downwards is fixedly installed at the bottom end of the tongue pressing block 25, the third pressure spring 33 is fixedly installed on the outer circular surface of the lifting shaft 32, a lifting hole 31 is formed at the bottom end of the chute 26, the bottom end of the lifting shaft 32 extends into the lifting hole 31 in a sliding connection mode, and a sliding block 19 is arranged at the bottom end of the lifting shaft 32 which extends into the lifting hole 31;
a telescopic shaft lever 37 is connected close to the sliding groove 26 in a sliding manner, the middle part of the telescopic shaft lever 37 is rotatably connected with a roller 35, the roller 35 is arranged in the middle part of the telescopic shaft lever 37 and is vertical to the telescopic shaft lever 37, the roller 35 extends into the sliding groove 26 through sliding connection, and the roller 35 extending into the sliding groove 26 is in rolling contact with an inclined plane on one side of the tongue depressing block 25;
one end of the telescopic shaft lever 37 is fixedly provided with an ejector rod 36, and the ejector rod 36 extends into the inner wall of the second bending groove 28 in a sliding fit manner;
one end of the telescopic shaft lever 37 penetrates through the base 1 through sliding connection and extends out of the outer side wall of the base 1, a pressure spring pressing block 34 is fixedly arranged at the top end of the telescopic shaft lever 37 extending out of the base 1, and a third pressure spring 33 is fixedly arranged between the pressure spring pressing block 34 and the outer side wall of the base 1.
Specifically, the two bases 8 are alternately pressed downwards in a reciprocating manner, the first-stage bending ejector rod 9 below the rightmost pressing base 8 is pressed downwards, the arc-shaped surface at the top end of the first-stage bending groove 11 and the arc-shaped surface at the bottom end of the first-stage bending ejector rod 9 are matched for pressing, the edges of the two ends of each plate blank are bent into arcs, the plate blanks bent into the arcs are moved leftwards by intermittent movement for a distance of one plate blank, the leftmost pressing base 8 is pressed downwards in a reciprocating manner, the plate blanks bent into the arc-shaped shapes at the two ends are bent into round holes, secondary bending forming is realized, the bending efficiency is remarkably improved, the process meets the hinge production precision in common use scenes such as bags and the like, wherein in the process of pressing the leftmost pressing base 8 downwards in a reciprocating manner, the tongue pressing block 25 is pressed downwards in advance, and the tongue block 25 is pressed to push the ejector rod 36 to extend into the second bending groove 28, the edge of the plate blank bent by the right pressing base 8 is pushed to enable the edge of the plate blank bent into an arc shape to be pushed by the ejector rod 36 to be matched with the inner wall of the second bending groove 28 for guiding and gradually rolling up, the plate blank is prevented from tilting through the compression of the second pressing plate 24 in the pushing process of the ejector rod 36, then the middle of the lug plate rolled into a round hole shape is pushed downwards through the backward downward jacking of the secondary bending ejector rod 23, and the edge of the plate blank is rolled into a round hole shape.
The bottom of pressing base 8 sets firmly upright splitting plug-in strip 29 down, and splitting plug-in strip 29 sets up to the long sword, and splitting plug-in strip 29 is pressing base 8 middle part and pressing base 8 front and back both sides parallel distribution.
Wherein, this application is through the shaping of bending simultaneously to the both ends of slab, and the rethread is leftmost presses base 8 and is carried out middle split to the slab downwards, realizes once only bending the shaping to two slabs, further is showing the production efficiency who improves the hinge.
The splitting blade 29 includes a second inverted tooth hook 2901 and a blade edge 2902, a plurality of second inverted tooth hooks 2901 are symmetrically provided on the front and rear side walls of the splitting blade 29, each second inverted tooth hook 2901 is provided as a V-shaped groove, and the upright blade edges 2902 are symmetrically provided at the bottom end of the splitting blade 29 and close to the left and right sides of the splitting blade 29.
Wherein, this application makes splitting plug-in strip 29 upwards rise the in-process at the slab surface through second pawl 2901, scrapes the inner wall both sides after the floodgate is cut, makes the burr that the floodgate was cut the in-process and is produced scraped and remove.
When the ejector rod does not work, the ejector rod 36 is equal in height with the inner wall surface of the second bending groove 28 on the inner wall of the second bending groove 28, so that the edge of the bent plate blank can be conveniently wound along the inner wall of the second bending groove 28 in the second bending groove 28.
The equidistant a plurality of top bracing piece 10 upright in base 1 top that has set firmly on base 1's top, two bottoms of pressing base 8 are seted up a plurality of and are pushed up the corresponding guide way 30 of bracing piece 10, lead to pressing base 8 punching press down in-process, improve the precision of punching a hole.
The bottom end of the pressing base 8 on the left side is fixedly provided with a downward vertical brake breaking knife 803, and the bottom end of the pressing base 8 of the brake breaking knife 803 is close to the left side wall of the pressing base 8, so that the brake breaking treatment of the punched plate blank is realized.
The application further provides a preparation method for quickly forming the creative support hinge of the upturned door of the draw-bar box under the cooperation of the preparation device for quickly forming the creative support hinge of the upturned door of the draw-bar box, and the preparation method specifically comprises the following steps:
s1, slab installation: horizontally placing a plate blank on the top surface of the base 1;
s2, slab moving: and (4) moving the slab horizontally placed on the top surface of the base 1 in the step S1, and intermittently pushing the slab manually or by using a sheave intermittent mechanism to move the slab by the distance between slabs and temporarily stop the slab each time.
S3, bending the plate blank: bending the slabs intermittently conveyed to the lower part of the mounting base 8 in the step S2, pressing downwards by two pressing bases 8 in an alternating reciprocating manner, pressing downwards by a first-stage bending ejector rod 9 below the rightmost pressing base 8, pressing by matching the arc surface at the top end of a first-stage bending groove 11 and the arc surface at the bottom end of the first-stage bending ejector rod 9, bending the edges of two ends of each slab into arcs, moving the slabs bent into arcs leftwards by the distance of one slab by intermittent movement, pressing the leftmost pressing base 8 downwards in a reciprocating manner, bending the slabs bent into arcs at two ends into round holes again, and realizing secondary bending molding,
s4, splitting the middle of the plate blank: in the forming process in the step S3, the leftmost pressing base 8 downwards splits the middle of the plate blank through the splitting knife switch 29, and bends the formed plate blank into two pieces, so that two pieces of hinges can be processed at one time, and the production efficiency of the hinges is remarkably improved;
in addition, the working principle of the tapping drill is as follows:
specifically, the trepanning drill 12 provided by the present application is supported by the first pressure spring in the first sliding hole 801 through the cylindrical pin 804, so that each trepanning drill 12 can be lifted up and down on the bottom surface of the pressing base 8, and this structure brings about the advantages that, in the process of downward falling of the pressing base 8, the bottom end of the trepanning drill 12 is in contact with the surface of the slab in advance, the bottom end of the trepanning drill 12 realizes the prepositioning of the trepanning drill 12 on the surface of the slab, in the process of downward falling of the pressing base 8, because the cylindrical pin 804 is fixedly arranged in the first sliding hole 801, the trepanning drill 12 slides upward in the first sliding hole 801, and through the cooperation of the guide chute 12 and the cylindrical pin 804, the trepanning drill 12 also has the function of reciprocating rotation in the process of upward sliding in the first sliding hole 801, so that in the process of downward falling of the pressing base 8, the trepanning drill 12 first reciprocates and rotates to the surface of the slab to the position, the rethread presses down of base 8, and through trompil and the location in advance of trompil brill 12, it is more light accurate to punch a hole to the slab surface that makes trompil brill 12, improves the precision that trompil brill 12 punched a hole, avoids punching a hole the in-process and slides, improves the installation fastness of the process of punching a hole.
Specifically, the barb groove 13 is formed in the outer circular surface of the opening drill 12, so that after the opening drill 12 punches a hole in the surface of a plate blank, the inner wall of the hole is scraped through the barb groove 13 in the process that the opening drill 12 is upwards pulled out from the punched inner wall of the hole, and the barb groove 13 is matched with the sliding connection between the guide chute 12 and the cylindrical pin rod 804, so that the barb groove 13 also has reciprocating rotation action in the scraping process, the precision of the inner wall of the circular hole after the punching of the surface of the plate blank is improved, the quality after the surface of the plate blank is formed is improved, the tedious operation that the working position is required to be replaced to polish the inner wall of the circular hole in the subsequent working procedure is omitted, and the installation firmness of the circular hole is improved.
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, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The rapid forming preparation device for the creative support hinge of the upper turnover door of the draw-bar box comprises a base and is characterized in that the base is arranged into a rectangular block structure, the top surface of the base is a plane, two sunken first-stage bending grooves are formed in the top end of the base, each sunken first-stage bending groove is arranged into a U-shaped groove, the distance between the two first-stage bending grooves is the front and back edge width of a plate blank, a second bending groove is formed in the left end of each first-stage bending groove, and the bottom surface of each second bending groove is an arc surface;
the top end of the base is fixedly provided with a top supporting plate, two pressing bases are fixedly arranged below the top supporting plate, primary bending ejector rods are symmetrically and fixedly arranged at the bottom ends of the pressing bases on the left side, and secondary bending ejector rods are symmetrically and fixedly arranged at the bottom ends of the pressing bases on the right side;
the two symmetrically arranged primary bending ejector rods are erected above the first-stage bending groove at the bottom end of the pressing base, and the two symmetrically arranged secondary bending ejector rods are erected right above the corresponding second bending groove at the bottom end of the other pressing base;
the top end of the top supporting plate is fixedly provided with two hydraulic cylinders, each hydraulic cylinder extends downwards to form a piston rod, the two pressing bases are respectively fixed at the bottom ends of the corresponding piston rods, the top end of the top supporting plate is provided with a plurality of through holes, the top end of each pressing base is fixedly provided with a lifting shaft rod which is upright on the top end of the pressing base, and each lifting shaft rod penetrates through the through holes in a sliding fit mode to extend out of the top end of the top supporting plate;
the top end of the left side of the inner wall of the first-stage bending groove on each side is provided with an arc-shaped surface, and the bottom end surfaces of the two symmetrically arranged first-stage bending ejector rods are provided with second arc-shaped surfaces corresponding to the arc-shaped surfaces at the top ends of the first-stage bending grooves.
2. The device for rapidly forming and preparing the creative support hinge of the upwards-turned door of the draw-bar box according to claim 1, is characterized in that: the bottom end of one of the pressing bases comprises a hole drilling drill, a pressing plate, a pressure spring and a pressure spring groove, the middle part of the bottom end of the pressing base is provided with a plurality of hole drilling drills which are vertical to the bottom end of the pressing base, each hole drilling drill is of a cylindrical structure, and the bottom end of each hole drilling drill is of a conical surface;
two pressure spring grooves are formed in the bottom end of the pressing base, each pressure spring groove is formed into an elongated groove, a plurality of pressure springs are fixedly mounted on the bottom surface of each pressure spring groove at equal intervals, and a pressing plate is fixedly mounted at the bottom end of each pressure spring.
3. The rapid forming and manufacturing device for the creative support hinge of the upwards-turned door of the draw-bar box, as claimed in claim 2, is characterized in that: the utility model discloses a drilling machine, including base, first slide opening, second slide opening, first slide opening inner wall symmetry sets firmly two at least cylinder cotter bars, each the excircle face of cylinder cotter bar is equipped with the guide chute of S-shaped, cylinder cotter bar passes through sliding connection in the guide chute that the excircle face of cylinder cotter bar corresponds, stretches into each in first slide opening first pressure spring is fixed mounting in cylinder cotter bar top.
4. The device for rapidly forming and preparing the creative support hinge of the upwards-turned door of the draw-bar box as claimed in claim 3, wherein: each the excircle face equidistant of trompil brill has seted up a plurality of sunken barb grooves, each barb groove is the V-arrangement groove, each barb groove all sets up to the bottom surface.
5. The device for rapidly forming and preparing the creative support hinge of the upwards-turned door of the draw-bar box according to claim 1, is characterized in that: the bottom end of the other pressing base comprises a chamfer drill, second pressure spring grooves, second pressure springs, a secondary bending ejector rod, a second pressure plate and a splitting knife switch, two second pressure spring grooves are formed in the bottom end of the pressing base, each second pressure spring groove is an elongated groove, a plurality of second pressure springs are fixedly installed on the bottom surface of each second pressure spring groove at equal intervals, and the second pressure plates are fixedly installed at the bottom ends of the plurality of second pressure springs on the bottom surface of each second pressure spring groove;
a plurality of chamfering drills are fixedly arranged at the bottom end of the pressing base at equal intervals, and a conical surface is arranged at the edge of the bottom surface of each chamfering drill;
the bottom of pressing the base sets firmly upright splitting plug-in strip down, the splitting plug-in strip sets up to the long sword, the splitting plug-in strip is pressing base middle part and pressing base front and back both sides parallel distribution.
6. The rapid forming and manufacturing device for the creative support hinge of the upwards-turned door of the draw-bar box, as claimed in claim 5, is characterized in that: the splitting switch blade comprises second inverted tooth hooks and switch blade blades, a plurality of second inverted tooth hooks are symmetrically arranged on the front side wall and the rear side wall of the splitting switch blade, each second inverted tooth hook is arranged to be a V-shaped groove, and the bottom end of the splitting switch blade is close to the left side and the right side of the splitting switch blade, and vertical switch blade blades are symmetrically arranged on the left side and the right side of the splitting switch blade.
7. The device for rapidly forming and preparing the creative support hinge of the upwards-turned door of the draw-bar box according to claim 1, is characterized in that: the two second bending grooves at the top end of the base respectively comprise a lifting hole, a lifting shaft, a third pressure spring, a pressure spring pressing block, a sliding block, a roller, a push rod and a telescopic shaft lever,
sliding grooves are symmetrically formed in the top end of the base and positioned on the front side and the rear side of the two second bending grooves, a tongue pressing block is connected into each sliding groove in a sliding mode, the top end of each tongue pressing block protrudes out of the top end of the base, and one side wall of each tongue pressing block is an inclined plane;
a third pressure spring is fixedly installed at the bottom end of the tongue pressing block which is connected in the sliding groove in a sliding mode, a lifting shaft which is vertical downwards is fixedly installed at the bottom end of the tongue pressing block, the third pressure spring is fixedly arranged on the outer circular surface of the lifting shaft, a lifting hole is formed in the bottom end of the sliding groove, the bottom end of the lifting shaft extends into the lifting hole in a sliding connection mode, and a sliding block is arranged at the bottom end of the lifting shaft extending into the lifting hole;
a telescopic shaft lever is connected close to the sliding groove in a sliding manner, the middle part of the telescopic shaft lever is rotatably connected with a roller, the roller is arranged in the middle part of the telescopic shaft lever and is vertical to the telescopic shaft lever, the roller extends into the sliding groove through sliding connection, and the roller extending into the sliding groove is in rolling contact with an inclined surface on one side of the tongue depressing block;
one end of the telescopic shaft lever is fixedly provided with an ejector rod, and the ejector rod extends into the inner wall of the second bending groove in a sliding fit manner;
one end of the telescopic shaft rod penetrates through the base through sliding connection and extends out of the outer side wall of the base, a pressure spring pressing block is fixedly arranged at the top end of the telescopic shaft rod extending out of the base, and a third pressure spring is fixedly arranged between the pressure spring pressing block and the outer side wall of the base.
8. The device for rapidly forming and preparing the creative support hinge of the upwards-turned door of the draw-bar box as claimed in claim 7, wherein: when the ejector rod does not work, the ejector rod is on the inner wall of the second bending groove and is equal in height with the surface of the inner wall of the second bending groove.
9. The device for rapidly forming and preparing the creative support hinge of the upwards-turned door of the draw-bar box according to claim 1, is characterized in that: the top of base is equidistant to be set firmly a plurality of and erects in the top of base bracing piece, two press the bottom of base and seted up a plurality of and the corresponding guide way of top bracing piece.
10. The device for rapidly forming and preparing the creative support hinge of the upwards-turned door of the draw-bar box as claimed in claim 9, wherein: the bottom end of the pressing base positioned on the left side is fixedly provided with a downward vertical switch breaking knife, and the bottom end of the pressing base is close to the left side wall of the pressing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110634020.4A CN113319213A (en) | 2021-06-07 | 2021-06-07 | Rapid forming and manufacturing device for creative support hinge of upper turnover door of draw-bar box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110634020.4A CN113319213A (en) | 2021-06-07 | 2021-06-07 | Rapid forming and manufacturing device for creative support hinge of upper turnover door of draw-bar box |
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| Publication Number | Publication Date |
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| CN113319213A true CN113319213A (en) | 2021-08-31 |
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|---|---|---|---|
| CN202110634020.4A Withdrawn CN113319213A (en) | 2021-06-07 | 2021-06-07 | Rapid forming and manufacturing device for creative support hinge of upper turnover door of draw-bar box |
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| CN (1) | CN113319213A (en) |
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Application publication date: 20210831 |