CN218798571U - Double-end hole flanging die for round pipe - Google Patents

Abstract

The utility model relates to a pipe double-end flanging dies, including upper die base, die holder, the subassembly that punches a hole, carrier assembly and the tight subassembly in top, be equipped with two fixed plates on the upper die base, two the subassembly that punches a hole is installed on the fixed plate, two the carrier assembly is installed on the die holder, carrier assembly is corresponding with the subassembly that punches a hole, the adjacent both sides of carrier assembly are equipped with the stopper, the tight subassembly in top is installed at the die holder both ends, the subassembly that punches a hole includes drift, first guide pillar and last positioning seat, it installs first guide pin bushing with a plurality of first guide pillar complex positions to go up the positioning seat, the drift is fixed on the fixed plate and wear to locate go up the positioning seat. An object of the utility model is to provide a pipe double-end flanging dies that stable in structure, commonality are strong and production efficiency is high.

Description

Double-end hole flanging die for round pipe

Technical Field

The utility model relates to the technical field of mold, concretely relates to pipe double-end flanging dies.

Background

In fields such as barbecue, the application of hole flanging pipe is very extensive, the hole flanging pipe indicates the turn-ups's of processing round hole on the pipe, processing round hole and turn-ups divide into two processes in general actual production, and the processing at pipe both ends is also divided, high in production cost, the inefficiency ratio is lower, the process of processing is more, the production precision of pipe just is lower, and need all fix the horizontal and vertical of pipe when punching a hole, otherwise can appear the hole site skew, because the pipe has different pipe diameters and length, all produce a mould cost very high according to each section pipe, so need a compatible strong mould, improve the efficiency of production when guaranteeing production precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe double-end flanging dies that stable in structure, commonality are strong and production efficiency is high.

The double-end hole flanging die for the round pipe comprises an upper die base, a lower die base, a punching assembly, a bearing assembly and a jacking assembly, wherein two fixing plates are arranged on the upper die base, the two punching assemblies are arranged on the fixing plates, the two bearing assemblies are arranged on the lower die base and correspond to the punching assembly, limiting blocks are arranged on two adjacent sides of the bearing assembly, the jacking assembly is arranged at two ends of the lower die base, the punching assembly comprises a punch, a first guide pillar and an upper positioning seat, a first guide sleeve is arranged at the position, matched with the first guide pillars, of the upper positioning seat, and the punch is fixed on the fixing plates and penetrates through the upper positioning seat.

In the above scheme, the both ends of pipe are placed on two carrier assemblies, the stopper is installed respectively to two carrier assemblies's both sides, two punching assemblies are installed respectively on two fixed plates, the fixed plate passes through the fastener and installs on the upper die base, the position of the subassembly that punches a hole is relative with carrier assembly, when punching a hole to the pipe, the tight subassembly in top of lower bolster both ends installation passes stopper and pipe looks butt, prevent that the pipe from horizontal skew at the in-process that punches a hole, the upper die base receives outside pressure downstream after the tight subassembly in top, the upper positioning seat combines earlier to restrict the fore-and-aft position of pipe with carrier assembly, first guide pillar passes carrier assembly, later the upper die base continues to push down and drives the drift downwards to punch a hole to the pipe, it is just hole flanging to punch a hole simultaneously, the efficiency of punching a hole to the both ends of pipe is high, and stable in structure, the accuracy of the position of punching a hole is high.

Furthermore, the bearing assembly comprises a mounting plate, a base plate and a lower positioning seat, the mounting plate is mounted on the lower die seat through a positioning pin and a fastening piece, the base plate is connected with the mounting plate, and the lower positioning seat is connected with the base plate.

In the above scheme, the mounting panel passes through the locating pin location and installs on the die holder through the fastener, is equipped with the backing plate between lower positioning seat and the mounting panel, and in actual production process, the position that the pipe was placed can have the error, and it is more convenient than direct lower positioning seat modification to carry out processing to the backing plate, can prepare the backing plate of multiple height in addition and use in a flexible way when the installation to improve the efficiency of production.

Furthermore, the upper positioning seat and the lower positioning seat are respectively provided with a first limiting groove and a second limiting groove, and the first limiting groove and the second limiting groove are arc-shaped grooves.

In the above scheme, go up the positioning seat and all need the shape of cooperation pipe with lower positioning seat, so first spacing groove and second spacing groove are the arc wall, place the pipe in the second spacing groove, and the tight back in top group spare top, go up positioning seat downstream and lower positioning seat butt, and the cross-section after first spacing groove and the combination of second spacing groove is a complete circle, and the pipe is placed more stably in the arc wall to be convenient for punch a hole the processing to the pipe.

Furthermore, a step hole is formed in the position, opposite to the first guide pillar, of the lower positioning seat, and a clearance groove is formed in the position, opposite to the punch, of the lower positioning seat.

In the above scheme, the first guide pillar of going up four angles of positioning seat all passes the positioning seat with middle drift, the upper die base receives pressure downstream, first guide pillar is worn to establish into down behind the step hole of positioning seat, it is fixed to go up the positioning seat and fix a pipe with the mutual butt of positioning seat down, accomplish simultaneously and punch a hole to the first of pipe, later continue to exert pressure to the upper die base, make drift and first guide pillar descend to pass the pipe and accomplish the second of the first below of punching a hole and punch a hole, it needs turn-ups down to punch a hole, need set up in the relative position of positioning seat and drift down and keep away the dead slot in order to avoid influencing punching a hole, install the spring on the first guide pillar between upper positioning seat and fixed plate, it receives the elasticity of spring to reset to go up the positioning seat after the completion of punching a hole.

Furthermore, a second guide sleeve is arranged on the limiting block, the limiting block is installed on the installation plate through a step pin and a second guide pillar, and a limiting through hole is formed in the middle of the limiting block.

In the above scheme, the stopper is installed in the both sides of lower positioning seat, fixes a position the stopper through the step round pin, and the step round pin can be worn to establish spacing through-hole to the spring is installed to the position of second guide pillar between mounting panel and stopper, and the second guide pin bushing mutually supports with the second guide pillar and makes the stopper install on the mounting panel, and the position of placing in the second positioning seat according to the pipe can adjust the height that the stopper makes spacing through-hole relative with the pipe.

Further, the tight subassembly in top is including pushing up tight driving piece, ejector pin and connecting piece, the output of pushing up tight driving piece is connected with the connecting piece, the one end that the tight driving piece in top was kept away from to the connecting piece is connected with the ejector pin.

In the above scheme, ejector pin one end is connected with the connecting piece, and the connecting piece is connected with the output of the tight driving piece in top, and spacing through-hole is worn to locate by the ejector pin other end, and the pipe is placed behind lower positioning seat, and the tight driving piece in top drive connecting piece removes towards bearing assembly to drive the ejector pin towards the pipe direction remove until with the pipe butt, thereby fix the pipe.

Furthermore, a T-shaped groove is formed in the connecting piece, and a clamping groove is formed in the end portion, connected with the connecting piece, of the ejector rod.

In the above scheme, the ejector rod is installed on the connecting piece through the cooperation of the clamping groove and the T-shaped groove, the knob ejector rod can be fixed on the connecting piece, the ejector rod and the connecting piece are simple in structure and easy to install, and the connecting piece moves to drive the ejector rod to move along the same direction.

Furthermore, vertical plates are arranged at two ends of the lower die base, the jacking driving piece is fixed on the vertical plates, and the output end of the jacking driving piece penetrates through the vertical plates.

In the above scheme, the riser is installed on the die holder, and the output of pushing up tight driving piece passes the riser and is connected with the connecting piece, and the riser plays the effect of fixed pushing up tight driving piece for push up tight driving piece drive connecting piece and remove along the horizontal direction.

The utility model relates to a pipe double-end flanging dies has following beneficial effect at least:

the first and the second punching assemblies are respectively arranged on two fixed plates which are arranged on an upper die base through fasteners, the positions of the punching assemblies are opposite to those of a bearing assembly, when a circular tube is punched, a jacking assembly arranged at two ends of a lower die base penetrates through a limiting block to be abutted against the circular tube, so that the circular tube is prevented from transversely deviating in the punching process, an upper die base moves downwards under the external pressure after the jacking assembly is jacked, the upper positioning base is firstly combined with the bearing assembly to limit the longitudinal position of the circular tube, and then the upper die base continues to press downwards to drive a punch to punch the circular tube downwards,

second, commonality are strong, and the carrier assembly includes the mounting panel, installs the backing plate on the mounting panel, installs lower positioning seat on the backing plate, can prepare the backing plate of multiple co-altitude not according to the size of pipe diameter and make the tight subassembly in top can with the pipe butt to restrict the horizontal position of pipe.

The third, the installation is simple, and production efficiency is high, is equipped with two fixed plates on the upper die base, and two subassembly installations that punch a hole are on the fixed plate, and two carrier assembly install on the die holder, and carrier assembly is corresponding with the subassembly that punches a hole, and the adjacent both sides of carrier assembly are equipped with the stopper, and the tight subassembly in top is installed at the die holder both ends, holistic simple structure once can accomplish the hole flanging of pipe double-end.

Drawings

Fig. 1 is a schematic structural view of a double-headed hole flanging die according to an embodiment.

Fig. 2 is a schematic structural view of the double-headed hole flanging die in different viewing angles according to an embodiment.

Fig. 3 is a schematic view of the lower positioning seat in fig. 1.

Fig. 4 is a schematic view of the installation position of the limiting block.

Fig. 5 is a schematic view of the ejector rod in fig. 1.

Fig. 6 is a schematic view of the connector in fig. 1.

The reference numbers illustrate: 1. an upper die holder; 2. a fixing plate; 300. a punching assembly; 310. a punch; 320. an upper positioning seat; 330. a first guide post; 410. a lower positioning seat; 420. a base plate; 430. mounting a plate; 5. a lower die holder; 600. jacking the assembly; 610. tightly pushing the driving piece; 620. a connecting member; 630. a top rod; 70. a limiting block; 71. a limiting through hole; 8. a second guide post; 9. a step pin; 10. a vertical plate; 321. a first limit groove; 411. a second limit groove; 412. an empty avoiding groove; 413. a stepped bore; 631. a card slot; 621. t-shaped grooves.

Detailed Description

The following describes the double-headed hole flanging die with round tubes in detail with reference to the specific embodiments and the accompanying drawings.

As shown in fig. 1 and fig. 2, in a preferred embodiment, the utility model discloses a pipe double-end hole flanging mould, including upper die base 1, die holder 5, the subassembly 300 that punches a hole, carrier assembly and the tight subassembly 600 in top, be equipped with two fixed plates 2 on the upper die base 1, two the subassembly 300 that punches a hole is installed on fixed plate 2, two the carrier assembly is installed on die holder 5, carrier assembly is corresponding with the subassembly 300 that punches a hole, the adjacent both sides of carrier assembly are equipped with stopper 70, the tight subassembly 600 that pushes up is installed at die holder 5 both ends, the subassembly 300 that punches a hole includes drift 310, first guide pillar 330 and last positioning seat 320, go up positioning seat 320 and a plurality of first guide pillar 330 complex position and install first guide pin bushing, drift 310 is fixed on the fixed plate 2 and wear to locate last positioning seat 320. Two ends of a round pipe are placed on two bearing components, limiting blocks 70 are respectively installed on two sides of the two bearing components, two punching components 300 are respectively installed on two fixing plates 2, the fixing plates 2 are installed on an upper die base 1 through fasteners, the positions of the punching components 300 are opposite to the bearing components, when the round pipe is punched, jacking components 600 installed at two ends of a lower die base 5 penetrate through the limiting blocks 70 to be abutted to the round pipe, the round pipe is prevented from transversely deviating in the punching process, the upper die base 1 moves downwards under the action of external pressure after the jacking components 600 jack tightly, upper positioning bases 320 and the bearing components are combined firstly to limit the longitudinal position of the round pipe, first guide pillars 330 penetrate through the bearing components, then the upper die base 1 continues to press downwards to drive a punch a hole on the round pipe downwards, downward flanging is simultaneously punched, the hole flanging is called as hole flanging, the efficiency of punching two ends of the round pipe is high, the structure is stable, and the accuracy of the punching position is high.

As shown in fig. 1, in some embodiments, the bearing assembly includes a mounting plate 430, a shim plate 420, and a lower positioning seat 410, the mounting plate 430 is mounted on the lower die seat 5 through a positioning pin and a fastener, the shim plate 420 is connected to the mounting plate 430, and the lower positioning seat 410 is connected to the shim plate 420. The mounting plate 430 is positioned through the locating pin and is mounted on the lower die holder 5 through the fastener, the backing plate 420 is arranged between the lower locating seat 410 and the mounting plate 430, errors can exist in the pipe diameter of the round pipe and the placed position in the actual production process, the backing plate 420 is processed more conveniently than the lower locating seat 410, the backing plates 420 with various heights can be prepared and used flexibly when being mounted, and therefore production efficiency is improved.

As shown in fig. 2, in some embodiments, the upper positioning seat 320 and the lower positioning seat 410 are respectively provided with a first limiting groove 321 and a second limiting groove 411, and the first limiting groove 321 and the second limiting groove 411 are arc-shaped grooves. The upper positioning seat 320 and the lower positioning seat 410 are both required to be matched with the shape of a circular tube, so that the first limiting groove 321 and the second limiting groove 411 are arc-shaped grooves. Place the pipe in second spacing groove 411, the tight back in top subassembly 600 top, go up 320 downstream of positioning seats and positioning seat 410 butt down, the cross-section after first spacing groove 321 combines with second spacing groove 411 is a complete circle, and the pipe is placed more stably in the arc wall to be convenient for punch a hole the processing to the pipe.

Specifically, when punching a hole to the pipe, the position that punches a hole appears stress concentration, and the both ends at the position of punching a hole have the trend of bending upwards, carry out spacingly through first spacing groove 321 and second spacing groove 411 and can reduce the possibility that the product adds the appearance quality problem man-hour.

As shown in fig. 3, in some embodiments, a stepped hole 413 is formed at a position of the lower positioning seat 410 opposite to the first guide pillar 330, and a clearance groove 412 is formed at a position of the lower positioning seat 410 opposite to the punch 310. The first guide pillars 330 at four corners of the upper positioning seat 320 and the middle punch 310 penetrate through the upper positioning seat 320, the upper mold seat 1 is pressed to move downwards, after the first guide pillars 330 penetrate through the step holes 413 of the lower positioning seat 410, the upper positioning seat 320 and the lower positioning seat 410 are mutually abutted to fix a round pipe, meanwhile, the first punching of the round pipe is completed, then, pressure is continuously applied to the upper mold seat 1, the punch 310 and the first guide pillars 330 descend to penetrate through the round pipe to complete the second punching below the first punching, the punching needs to be turned downwards, in order to avoid influencing the punching, clearance grooves 412 need to be arranged at positions, corresponding to the lower positioning seat 410 and the punch 310, springs are installed on the first guide pillars 330 between the upper positioning seat 320 and the fixing plate 2, and after the punching is completed, the upper positioning seat 320 is reset by elasticity of the springs.

As shown in fig. 2 and 4, in some embodiments, a second guide sleeve is provided on the stopper 70, the stopper 70 is mounted on the mounting plate 430 through a step pin 9 and a second guide post 8, and a stopper through hole 71 is provided in the middle of the stopper 70. The limiting blocks 70 are arranged on two sides of the lower positioning seat 410, the limiting blocks 70 are positioned through the step pins 9, the step pins 9 can penetrate through the limiting through holes 71, springs are arranged at positions of the second guide pillars 8 between the mounting plate 430 and the limiting blocks 70, the second guide sleeves and the second guide pillars 8 are matched with each other to enable the limiting blocks 70 to be mounted on the mounting plate 430, and the limiting through holes 71 are opposite to the round pipes by adjusting the heights of the limiting blocks 70 according to the positions of the round pipes placed in the second positioning seat.

Specifically, when the top bar 630 with a higher position of the limiting through hole 71 cannot penetrate, the limiting block 70 is pressed down, and the top bar 630 can penetrate through the limiting through hole 71 after the spring is stressed and compressed.

As shown in fig. 1, in some embodiments, the tightening assembly 600 includes a tightening driving member 610, a push rod 630 and a connecting member 620, an output end of the tightening driving member 610 is connected to the connecting member 620, and an end of the connecting member 620, which is far away from the tightening driving member 610, is connected to the push rod 630. Ejector pin 630 one end is connected with connecting piece 620, and connecting piece 620 is connected with the output of pushing up driving piece 610, and the spacing through-hole 71 is worn to locate by the ejector pin 630 other end, and the pipe is placed under positioning seat 410 after, pushes up driving piece 610 drive connecting piece 620 and removes towards bearing assembly to drive ejector pin 630 towards the pipe direction remove until with the pipe butt, thereby strengthen the injectment to the pipe position.

Specifically, the tightening actuator 610 is generally a cylinder with a piston rod.

As shown in fig. 5 and 6, in some embodiments, the connecting element 620 is provided with a T-shaped groove 621, and the end of the push rod 630 connected to the connecting element 620 is provided with a locking groove 631. Ejector pin 630 passes through draw-in groove 631 and the cooperation of T-shaped groove 621 and installs on connecting piece 620, and knob ejector pin 630 can be fixed on connecting piece 620, and ejector pin 630 and connecting piece 620's simple structure installs easily, and connecting piece 620 removes and can drive ejector pin 630 and move along the same direction.

As shown in fig. 2, in some embodiments, the lower die holder 5 is provided with vertical plates 10 at two ends, the tightening driving member 610 is fixed on the vertical plates 10, and an output end of the tightening driving member 610 penetrates through the vertical plates 10. The vertical plate 10 is installed on the lower die base 5, the output end of the jacking driving member 610 penetrates through the vertical plate 10 to be connected with the connecting member 620, and the vertical plate 10 plays a role in fixing the jacking driving member 610, so that the jacking driving member 610 drives the connecting member 620 to move along the horizontal direction.

The utility model relates to a pipe double-end flanging dies theory of operation and process, place the both ends of pipe on two carrier assemblies, stopper 70 is installed respectively to two carrier assemblies's both sides, two punch a hole subassembly 300 correspond carrier assembly respectively and install on two fixed plates 2, fixed plate 2 passes through the fastener and installs on upper die base 1, when punching a hole to the pipe, spacing through-hole 71 and the pipe looks butt that stopper 70 was passed to tight subassembly 600 in top of 5 both ends installations of die holder, prevent the pipe at the in-process horizontal skew that punches a hole, the tight subassembly 600 in top tightly back upper die base 1 receives outside pressure downstream, go up positioning seat 320 and the carrier assembly earlier combine to restrict the fore-and-aft position of pipe, first guide pillar 330 wears to locate lower positioning seat 410's step hole 413, later upper die base 1 continues to push down and drives drift 310 and punch a hole to the pipe downwards, the turn-ups that punches a hole simultaneously, the realization is to the hole flanging of double-end pipe.

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

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims (8)

1. The double-end hole flanging die for the round pipe comprises an upper die base and a lower die base and is characterized by further comprising a punching assembly, a bearing assembly and a jacking assembly, wherein two fixing plates are arranged on the upper die base, the punching assembly is installed on the fixing plates, the bearing assembly is installed on the lower die base and corresponds to the punching assembly, limit blocks are arranged on two adjacent sides of the bearing assembly, the jacking assembly is installed at two ends of the lower die base, the punching assembly comprises a punch, a first guide pillar and an upper positioning seat, the upper positioning seat is provided with a first guide sleeve in a position matched with the first guide pillars, and the punch is fixed on the fixing plates and penetrates through the upper positioning seat.

2. The double-ended flanging die for the round pipe as claimed in claim 1, wherein the bearing assembly comprises a mounting plate, a backing plate and a lower positioning seat, the mounting plate is mounted on the lower die seat through a positioning pin and a fastener, the backing plate is connected with the mounting plate, and the lower positioning seat is connected with the backing plate.

3. The round tube double-end hole flanging die according to claim 2, wherein the upper positioning seat and the lower positioning seat are respectively provided with a first limiting groove and a second limiting groove, and the first limiting groove and the second limiting groove are arc-shaped grooves.

4. The round tube double-end hole flanging die as claimed in claim 3, wherein a stepped hole is formed at a position of the lower positioning seat opposite to the first guide post, and a clearance groove is formed at a position of the lower positioning seat opposite to the punch.

5. The round tube double-end hole flanging die as claimed in claim 2, wherein a second guide sleeve is arranged on the limiting block, the limiting block is mounted on the mounting plate through a step pin and a second guide post, and a limiting through hole is arranged in the middle of the limiting block.

6. The round tube double-head hole flanging die according to claim 1, wherein the tightening component comprises a tightening driving member, a push rod and a connecting member, an output end of the tightening driving member is connected with the connecting member, and one end of the connecting member, which is far away from the tightening driving member, is connected with the push rod.

7. The round tube double-end hole flanging die as claimed in claim 6, wherein a T-shaped groove is formed in the connecting piece, and a clamping groove is formed in the end portion of the ejector rod connected with the connecting piece.

8. The double-end hole flanging die for the round pipes as claimed in claim 6, wherein vertical plates are arranged at two ends of the lower die base, the jacking driving member is fixed on the vertical plates, and the output end of the jacking driving member penetrates through the vertical plates.

Images