CN214639998U

CN214639998U - Multi-station forging die for guide bar hanger base blank for warp knitting machine

Info

Publication number: CN214639998U
Application number: CN202120530520.9U
Authority: CN
Inventors: 殷剑; 黎诚; 金康; 边翊; 丁金根; 丁伟; 孙奋丽
Original assignee: China Machinery Industry Technology Research Institute Of Precision Forming Anhui Co ltd
Current assignee: China Machinery Industry Technology Research Institute Of Precision Forming Anhui Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-09
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a multistation forging die of sley bar gallows base blank for tricot machine, including installing the master frame on the press, the master frame comprises upper die carrier and lower die carrier jointly, be provided with bending die, finish forging die and side cut mould along the processing order in order between upper die carrier and the lower die carrier; the bending die comprises an upper die frame and a lower die frame which are positioned on the left side of the upper die frame and the left side of the lower die frame respectively, the two ends of the upper die frame and the two ends of the lower die frame are matched with each other to install an elastic correction mechanism which is matched with the upper die frame and the lower die frame in a closed double-layer mode to perform hinging, the elastic correction mechanism is arranged into a double-layer hinging structure, and blanks are elastically pushed in a bending die cavity through the elastic correction mechanisms arranged at the two ends in the process that the bending dies are combined, so that the corresponding positions of the blanks in the bending lower die cavity are automatically corrected.

Description

Multi-station forging die for guide bar hanger base blank for warp knitting machine

Technical Field

The utility model relates to a tricot machine sley bar gallows base shaping technical field, concretely relates to multistation forging mould of sley bar gallows base blank for tricot machine.

Background

The guide bar hanger base is an important device in the warp knitting machine, and the guide bar hanger base of the warp knitting machine is always in a working environment with strong impact, large abrasion and high stress, and various failure conditions are easy to occur due to large acting force applied to the guide bar hanger base, so that the use stability of machinery is seriously influenced. Therefore, the base of the guide bar hanger is required to have higher strength, fatigue resistance, toughness and the like.

At present, most of guide bar hanger bases of warp knitting machines adopt forming modes such as casting, forging and welding, wherein the forming mode of forging has the advantages of stable casting quality, few defects, fine and smooth structure, good mechanical property and the like compared with casting and welding, but the conventional forging process comprises the working procedures of blanking, heating, forging and trimming, more equipment, complex working procedures and long time consumption, the efficiency is low, meanwhile, the utilization rate of materials is low, and the aims of energy conservation and emission reduction which are vigorously advocated by the state at the present stage cannot be met.

In addition, due to the special structure of the guide bar hanger base, before the blank is forged, the middle part of the blank needs to be bent through the bending die, but in actual operation, the blank is placed in the bending die cavity at different positions, so that the bent part of the blank may deviate towards two ends, and the waste rate of the bent finished product of the blank may be increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistation forging mould of sley bar gallows base blank for tricot machine to the blank of solving among the prior art is placed in the technical problem that the position is not unified in the bending model chamber.

In order to solve the above technical problem, the utility model particularly provides the following technical scheme:

a multi-station forging die for a guide bar hanger base blank for a warp knitting machine comprises a main die frame arranged on a press, wherein the main die frame consists of an upper die frame and a lower die frame, a bending die, a finish forging die and a trimming die are sequentially arranged between the upper die frame and the lower die frame along a processing sequence, and the upper die frame and the lower die frame are synchronously stamped by closing the bending die, the finish forging die and the trimming die;

the bending die comprises an upper die frame and a lower die frame which are positioned on the left side of the upper die frame and the left side of the lower die frame respectively, the two ends of the upper die frame and the two ends of the lower die frame are matched with each other to install a matched elastic correction mechanism which is hinged with the upper die frame and the lower die frame in a closed double mode, and the upper die frame and the lower die frame of the bending die are oppositely punched through the two sides of the upper die frame and the lower die frame to automatically elastically correct blanks through the elastic correction mechanism.

As an optimized scheme of the utility model, the bottom of mould on the bending die is seted up the crooked mould die cavity that the cross section diameter is greater than the stock, and the crooked mould die cavity of going up is the coaxial semi-circular cavity structure of the middle outwardly directed both ends level, the crooked mould die cavity under the bending die is seted up the diameter and is greater than the crooked of stock, and the crooked mould die cavity of going down sinks the coaxial semi-circular cavity structure of both ends level in the middle of the whole of the crooked mould die cavity, the mould die cavity is gone up in the bending with penetrating and the inclosed cavity structure of periphery around the crooked mould cavity cooperation forms.

As an optimized scheme of the utility model, elasticity correction mechanism includes fixed mounting and is in on the bending die with the bending die swivel rod seat at both ends around the bending die lower mould, and the inside of bending die swivel rod seat is rotated and is connected with spacing hinge bar, on the bending die with the bending die lower mould homonymy spacing hinge bar front end cooperation is installed and is articulated the frame, on the bending die with bending die lower mould relative movement even takes two spacing hinge bar with articulated frame forms one and heavily articulates and promotes articulated frame level trend the bending die removes.

As an optimal scheme of the utility model, the inboard of articulated frame is rotated and is connected with perpendicular pivoted vertical swing installation piece, the inside swing joint of vertical swing installation piece has the edge the flexible slide bar of vertical swing installation piece, the tail end of flexible slide bar is used for the restriction through the cover to be equipped with the jump ring the maximum extension length of flexible slide bar, the front end of jump ring is rotated and is connected with coincidently crooked last mould die cavity with the crooked circular cavity's that forms in lower mould cavity die block keeps off the material piece, articulated frame trend crooked mould removes and is taken together the vertical swing installation piece the jump ring with the die cavity keeps off the material piece and becomes double articulated and take together the jump ring to retract in the vertical swing installation piece.

As an optimal scheme of the utility model, the outside cover of jump ring is equipped with the elastic extrusion the die cavity keeps off the spring of material piece, the die cavity keeps off the material piece through taking together flexible slide bar with the vertical swing installation piece is followed articulated frame vertical rotation natural overlap joint is in the tip in crooked lower mould chamber, articulated frame is through the trend bending die removes through the extrusion spring elasticity promotes the die cavity keeps off the material piece and follows crooked lower mould chamber is inwards slided.

Compared with the prior art, the utility model following beneficial effect has:

through setting up elasticity correction mechanism to dual articulated structure, the elasticity correction mechanism through both ends setting up pushes the stock along the elasticity in the bending model chamber in the process that the bending die merges to this corresponding position that the stock is in the bending lower mould chamber of automatic correction, reduced the waste material production that the stock leads to because of being in the position skew in the bending model chamber, effectively promoted the precision of bending the stock.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

Fig. 1 is a schematic structural view of the whole device in the embodiment of the present invention;

fig. 2 is a schematic structural diagram of the bending die as a whole in the embodiment of the present invention.

The reference numerals in the drawings denote the following, respectively:

1-mounting a mould frame; 2-lower die carrier; 3-bending the mould; 4-finish forging die; 5-trimming the die; 6-an elastic correction mechanism;

31-bending the upper die; 32-bending a lower die; 33-bending the upper die cavity; 34-bending the lower mold cavity;

61-bending die screw base; 62-limit hinge rod; 63-hinged frame;

631-vertical swing mounting block; 632-telescoping slide bar; 633-circlip; 634-a cavity stop block; 635-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 2, the utility model provides a multistation forging die of sley bar hanger base blank for tricot machine, including installing the total die carrier on the press, the total die carrier comprises cope match-frame 1 and lower die carrier 2 jointly, is provided with bending die 3, finish forging die 4 and side cut die 5 along the processing order in order between cope match-frame 1 and the lower die carrier 2, and cope match-frame 1 and lower die carrier 2 are through closed even take bending die 3, finish forging die 4 and side cut die 5 synchronous punching press;

the bending die 3 comprises an upper bending die 31 and a lower bending die 32 which are respectively positioned and installed on the left sides of the upper die frame 1 and the lower die frame 2, two ends of the upper bending die 31 and the lower bending die 32 are matched and installed with an elastic correction mechanism 6 which is matched with the upper die frame 1 and the lower die frame 2 to be closed and hinged, and the upper bending die 31 and the lower bending die 32 are oppositely punched to automatically correct blanks through the elastic correction mechanisms 6 on the two sides.

The bottom end of the bending die upper die 31 is provided with a bending die upper die cavity 33 with the cross section diameter larger than that of the blank, the whole bending die upper die cavity 33 is of a semicircular cavity structure with the middle protruding outwards and the two ends horizontally coaxial, the top end of the bending die lower die 32 is provided with a bending die lower die cavity 34 with the diameter larger than that of the blank, the whole bending die lower die cavity 34 is of a semicircular cavity structure with the middle sinking and the two ends horizontally coaxial, and the bending die upper die cavity 33 and the bending die lower die cavity 34 are matched to form a cavity structure with the front and back through and sealed periphery.

The elastic correction mechanism 6 comprises bending die rotary rod seats 61 fixedly installed at the front end and the rear end of the bending die upper die 31 and the bending die lower die 32, limiting hinge rods 62 are rotatably connected to the inner portions of the bending die rotary rod seats 61, hinge frames 63 are installed at the front ends of the limiting hinge rods 62 on the same sides of the bending die upper die 31 and the bending die lower die 32 in a matched mode, the bending die upper die 31 and the bending die lower die 32 move relatively, and the two limiting hinge rods 62 are connected with the hinge frames 63 in a hinged mode to form a hinge mode and push the hinge frames 63 to horizontally move towards the bending die 3.

The inner side of the hinged frame 63 is rotatably connected with a vertical swing mounting block 631 which vertically rotates, a telescopic slide rod 632 which extends and retracts along the vertical swing mounting block 631 is movably connected inside the vertical swing mounting block 631, the tail end of the telescopic slide rod 632 is sleeved with a clamp spring 633 for limiting the maximum extension length of the telescopic slide rod 632, the front end of the clamp spring 633 is rotatably connected with a cavity stop block 634 which is matched with a circular cavity formed by the upper bending mold cavity 33 and the lower bending mold cavity 34, and the hinged frame 63 moves towards the bending mold 3 and is provided with the vertical swing mounting block 631, the clamp spring 633 and the cavity stop block 634 to form double hinge and retract towards the vertical swing mounting block 631.

The outside of the clamp spring 633 is sleeved with a spring 635 elastically extruding the cavity stop block 634, the cavity stop block 634 naturally overlaps the end of the curved lower mold cavity 34 by vertically rotating along the hinge frame 63 with the telescopic slide rod 632 and the vertical swing mounting block 631, and the hinge frame 63 elastically pushes the cavity stop block 634 to slide inwards along the curved lower mold cavity 34 by moving towards the curved mold 3 through the extrusion spring 635.

Before the device is used for stamping, an upper die frame 1 and a lower die frame 2 of a main die frame are required to be installed on a press through die frame hoisting holes, so that the upper die frame 1 and the lower die frame 2 can complete fully matched stamping action under the control of the press.

When the bending die 3 is installed, the lower bending die 32 and the lower die carrier 2 need to be installed in a positioning mode, the upper bending die 31 and the upper die carrier 1 need to be installed in a positioning mode, then the length of the extension of the telescopic slide rod 632 on the hinge frame 63 in the elastic correction mechanism 6 along the vertical swing installation block 631 is adjusted, it is guaranteed that the cavity material blocking block 634 rotatably connected to the front end of the telescopic slide rod 632 is located at the end portion of the bent lower die cavity 34 at the top end of the lower bending die 32 after natural sagging, and the extension length of the telescopic slide rod 632 can be adjusted by adjusting the position of the clamping spring 633 at the tail of the telescopic slide rod 632.

After the bending die 3, the finish forging die 4 and the trimming die 5 are mounted, the blank is placed into a lower bending die cavity 34 of a lower bending die 32, a press is started, the upper die frame 1 and the lower die frame 2 are controlled to move relatively through the press until the blank is closed, in the process, the bending die automatically corrects the blank inside the lower bending die cavity 34 along with the closing, and the method comprises the following specific steps:

step 100, relatively moving and approaching the upper bending die 31 and the lower bending die 32, and rotating the upper bending die 31 and the lower bending die 32 to the direction of the bending die 3 through the front ends of the upper bending die rotating rod seats 61 and the limiting hinge rods 62, so that the hinge frames 63 jointly hinged with the front ends of the two limiting hinge rods 62 horizontally move to the direction of the bending die 3;

step 200, along with the horizontal movement of the hinged frame 63 towards the bending die 3, the vertical swing installation block 631 installed on the connecting band moves synchronously, at this time, the telescopic slide rod 632 is not easy to move along the extension and retraction of the vertical swing installation block 631, and the spring 635 sleeved outside the telescopic slide rod 632 is moved and extruded by the vertical swing installation block 631 to apply elastic thrust to the cavity material blocking block 634;

step 300, when the pushing force provided by the spring 635 is smaller than the friction force between the cavity blocking block 634 and the curved lower mold cavity 34, the cavity blocking block 634 and the blank do not move, and the pushing force provided by the spring 635 to the cavity blocking block 634 is continuously enhanced along with the continuous movement of the vertical swing mounting block 631 and the increase of the force of the pressing spring 635 until the pushing force provided by the spring 635 is larger than the friction force between the cavity blocking block 634 and the blank and the curved lower mold cavity 34, at this time, the cavity blocking block 634 pushes the blank to continuously move inwards along the end of the curved lower mold cavity 34 until the two ends of the blank are elastically pressed by the cavity blocking block 634, and at this time, the blank is in the middle part of the curved lower mold cavity 34.

The invention puts the bending die 3, the finish forging die 4 and the trimming die 5 into a device, so that the three procedures of bending, forging and trimming which are originally required to be independently completed by three devices can be completely completed by only one device, the integration level of the device is improved, the space occupied by the device is effectively saved,

and the main die frame can synchronously complete three processes with three dies by single stamping, thereby greatly improving the production efficiency, reducing the energy consumption of equipment and improving the economic benefit.

By arranging the elastic correction mechanism 6 into a double-hinged structure, the blank is elastically pushed along the bending model cavity by the elastic correction mechanisms 6 arranged at two ends in the merging process of the bending mould 3, so that the corresponding position of the blank in the bending lower model cavity 34 is automatically corrected, the generation of waste materials caused by the position deviation of the blank in the bending model cavity is reduced, and the precision of the bent blank is effectively improved.

The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.

Claims

1. The utility model provides a multistation forging mould of sley bar gallows base blank for tricot machine, is including installing the total die carrier on the press, the total die carrier comprises last die carrier (1) and lower die carrier (2) jointly, its characterized in that: a bending die (3), a finish forging die (4) and a trimming die (5) are sequentially arranged between the upper die frame (1) and the lower die frame (2) along the processing sequence, and the upper die frame (1) and the lower die frame (2) are synchronously stamped by closing and connecting the bending die (3), the finish forging die (4) and the trimming die (5);

bending die (3) are including fixing a position respectively and installing go up die carrier (1) with mould (31) and bending die lower mould (32) on the left bending die of die carrier (2) down, mould (31) on the bending die with the cooperation is installed in the both ends cooperation of bending die lower mould (32) go up die carrier (1) with die carrier (2) closed two times carries out articulated elasticity correction mechanism (6) down, mould (31) on the bending die with bending die lower mould (32) are to dashing through its both sides elasticity correction mechanism (6) automatic elastic correction stock.

2. The multi-station forging die for the guide bar hanger base blank of the warp knitting machine as claimed in claim 1, wherein: the bottom of the bending die upper die (31) is provided with a bending upper die cavity (33) with the diameter of the cross section larger than that of the blank, the whole bending upper die cavity (33) is of a semicircular cavity structure with the middle part protruding outwards and the two ends horizontally coaxial, the top end of the bending die lower die (32) is provided with a bending lower die cavity (34) with the diameter larger than that of the blank, the whole bending lower die cavity (34) is of a semicircular cavity structure with the middle part sinking and the two ends horizontally coaxial, and the bending upper die cavity (33) and the bending lower die cavity (34) are matched to form a cavity structure with the front and back through and the periphery closed.

3. The multi-station forging die for the guide bar hanger base blank for the warp knitting machine as claimed in claim 2, wherein: elasticity correction mechanism (6) are including fixed mounting in the bending die go up mould (31) with bending die swing rod seat (61) at both ends around bending die lower mould (32), and the inside rotation of bending die swing rod seat (61) is connected with spacing articulated rod (62), the bending die go up mould (31) with bending die lower mould (32) homonymy spacing articulated rod (62) front end cooperation is installed and is articulated frame (63), the bending die go up mould (31) with bending die lower mould (32) relative movement even takes two spacing articulated rod (62) with articulated frame (63) form one and heavily articulate and promote articulated frame (63) level trend bending die (3) remove.

4. The multi-station forging die for the guide bar hanger base blank for the warp knitting machine as claimed in claim 3, wherein: the inner side of the hinged frame (63) is rotationally connected with a vertical swing mounting block (631) which vertically rotates, the inside of the vertical swing mounting block (631) is movably connected with a telescopic slide rod (632) which extends and retracts along the vertical swing mounting block (631), the tail end of the telescopic sliding rod (632) is sleeved with a clamp spring (633) for limiting the maximum extension length of the telescopic sliding rod (632), the front end of the clamp spring (633) is rotationally connected with a cavity material blocking block (634) which is matched with a circular cavity formed by the upper bending die cavity (33) and the lower bending die cavity (34), the hinged frame (63) moves towards the bending die (3) to form double hinges together with the vertical swing mounting block (631), the clamp spring (633) and the cavity stop block (634) and retract together with the clamp spring (633) into the vertical swing mounting block (631).

5. The multi-station forging die for the guide bar hanger base blank for the warp knitting machine as claimed in claim 4, wherein: the outside cover of jump ring (633) is equipped with elastic extrusion the spring (635) of die cavity material blocking block (634), die cavity material blocking block (634) is through linking flexible slide bar (632) with vertical swing installation piece (631) are followed articulated frame (63) vertical rotation natural overlap joint is in the tip of crooked lower model chamber (34), articulated frame (63) is through tending crooked mould (3) remove through the extrusion spring (635) elasticity promotes die cavity material blocking block (634) is followed crooked lower model chamber (34) is inside sliding.