CN219443190U - Lamp tube extending stamping die - Google Patents

Abstract

The utility model provides a lamp tube extension stamping die, which comprises: the device comprises a workbench and a lower die holder, wherein an adjusting groove is formed in the workbench, a first screw rod is movably connected to the middle of the adjusting groove through a bearing, a first adjusting plate is movably connected to the adjusting groove through a first screw rod which is in threaded connection, two ends of the bottom of the adjusting groove are symmetrically provided with threaded holes, a positioning rod is connected in threaded connection Kong Naluo mode, a first guide rod is fixedly connected between the lower die holder and a fixing frame, an upper die plate is fixedly connected with the first guide rod through a first guide hole which is formed, the lower surface of the upper die plate is fixedly connected with the first upper die, a storage groove is formed in the edge of the lower surface of the upper die plate, a second guide groove is formed in the top of the storage groove, the second guide rod is in sliding connection with the second guide groove through a spring, and meanwhile the lower end of the second guide rod is fixedly connected with a fastening plate. According to the utility model, through the matching of the buffer rod II, the spring, the adjusting plate and the screw rod I, the lower die I can automatically eject the punched product, and the difficulty in taking out the product is reduced.

Description

Lamp tube extending stamping die

Technical Field

The utility model relates to the technical field of automobile lamps, in particular to a lamp cylinder extending stamping die.

Background

The stamping die is a special technological device for processing materials into parts in cold stamping processing, and is called a cold stamping die; the lamp tube in the automobile lamp needs stamping die when the manufacturing, and the lamp tube is the car lamp shell, and after most stamping dies are used for a long time, the lower die of the stamping die is violently collided with the lower die through a plurality of times of upper die, and the service life of the lower die can be reduced once the time is long, so that the accuracy of the die is reduced, and the qualification rate of the produced car lamp shell is reduced.

Through searching, the automobile lamp shade stamping die disclosed in the prior art (application number: CN 201820462378.7) records that the bottom of the inner wall of the lower die is welded with a third fixed block, the bottom of the inner wall of the third fixed block is welded with a second spring, the other end of the second spring is welded with a fourth sliding plate, both sides of the inner wall of the third fixed block are provided with sliding grooves, the sliding grooves are movably clamped with the fourth sliding plate, a connecting rod is welded at the central shaft of the top surface of the fourth sliding plate, the other end of the connecting rod penetrates through the top surface of the third fixed block, and both sides of the top surface of the lower die are provided with notches. "; this stamping die is equipped with buffer structure, increases upper and lower mould's life, improves work efficiency, saves company's operation cost, and upper and lower mould life increases, guarantees the accuracy of stamping workpiece, improves the qualification rate of work piece, but at the in-process of the actual punching press of car light shell, has inconvenient problem of getting the mould, needs the manual work to take off, and in the punching press in-process, the side of material board lacks effectual fixed knot structure moreover for when extending the punching press, can lead to the side perk of material board, and then influence the punching press effect of car light shell.

Disclosure of Invention

In order to overcome the defects in the prior art, a lamp tube extending stamping die is provided to solve the problems in the prior art.

To achieve the above object, there is provided a lamp tube extending stamping die comprising: the workbench and the lower die holder are fixedly connected with the fixing frame on two sides of the upper surface of the workbench, the middle part of the upper surface of the workbench is fixedly connected with the lower die holder, the top of the fixing frame is fixedly connected with the first cylinder, meanwhile, the multi-stage telescopic rod of the first cylinder is fixedly connected with the upper die plate, the workbench is internally provided with an adjusting groove, a first screw rod is movably connected with the middle part of the adjusting groove through a bearing, the adjusting plate is movably connected with the adjusting groove through a screw rod which is in threaded connection, two ends of the bottom of the adjusting groove are symmetrically provided with threaded holes, the threaded holes Kong Naluo are connected with the positioning rod, meanwhile, the opposite positions of the top and the bottom of the adjusting groove are respectively provided with a first groove and a second groove, the top of the first groove is communicated with the die holder groove provided by the lower die holder through a hole, the first sliding connection of lower mould is in the die holder inslot to buffer rod second is connected to fixed surface of lower mould, and buffer rod second lower extreme passes the through-hole that recess first and regulating plate were seted up, and buffer rod second surface cup joints the spring, fixed connection guide bar first between die holder and the mount, cope match-plate pattern pass through the guiding hole first sliding connection guide bar first of seting up, and the fixed connection of the relative lower mould of the position of cope match-plate pattern lower surface first, and storage tank first is seted up to the edge of cope match-plate pattern lower surface, and guide tank second is seted up at storage tank first's top, and the guide bar passes through spring sliding connection in guide tank second, and the lower extreme fixed connection fastening plate of guide bar second simultaneously.

Preferably, the regulating groove arranged in the workbench is of a square structure, the top and the bottom of the regulating groove are symmetrically provided with a plurality of groups of first grooves and second grooves respectively, the first grooves and the second grooves are of cylindrical structures, and the diameter of the first grooves is larger than that of the second grooves.

Preferably, the adjusting plate is of a square structure, the adjusting plate is matched with the adjusting groove in size, through holes are correspondingly formed in the surface of the adjusting plate opposite to the first groove and the second groove, the diameter of the through holes is equal to that of the second groove, and meanwhile springs are sleeved on the part, located between the first groove and the adjusting plate, of the second surface of the buffer rod.

Preferably, the buffer rod II is of a cylindrical structure, the upper end of the buffer rod II is fixedly connected with a limiting ring, the limiting ring is of a circular ring structure, the outer diameter of the limiting ring is matched with the diameter of the groove I, meanwhile, the cross section of a shaft formed by combining the groove I and the open hole together is of a convex structure, and the size of the open hole is matched with the size of the buffer rod II.

Preferably, the first storage groove that the cope match-plate pattern lower surface was seted up is returns the font structure, and four guide way second of group are offered to the middle part symmetry of storage groove a four sides, and the upper end fixed connection limiting plate of guide bar second, and the limiting plate is circular structure, and the part that guide bar second is located the cope match-plate pattern top cup joints the spring, and the lower extreme fixed connection cope match-plate pattern of spring is surperficial simultaneously, the upper end fixed connection limiting plate of spring.

Preferably, the fastening plate is a back font structure, the fastening plate and the size looks adaptation of accomodating the groove one, and the lower fixed surface of fastening plate connects the fastening layer, and the multiunit deformation groove is evenly offered to the lower surface of fastening layer, and the guide bar of fixed surface connection on the fastening plate and the size looks adaptation of guide way two simultaneously.

Preferably, the whole cylinder structure that is of locating lever, the screw thread structure is seted up to the upper end of locating lever surface, and spout one intercommunication inner chamber is seted up to locating lever surface lower extreme, and buffer rod one through fixed connection's pilot rod sliding connection at the inner chamber of locating lever, pilot rod sliding connection is in spout one, and the weight reduction groove is seted up to buffer rod one inside simultaneously.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of cope match-plate pattern, guide bar two, spring and fastening plate for go up mould one before contacting the work piece, the fastening plate just can carry out corresponding fixedly to the edge of work piece, when can avoid going up mould one punching press work piece then, the problem of waning appears in work piece edge, ensure the punching press effect of car light shell then, simultaneously, through the cooperation of lead screw one, regulating plate, buffer rod two, spring and spacing ring, make lower mould one can be ejecting with the work piece that the punching press is good voluntarily, improve the convenience of getting the mould, and also can be according to the ejecting dynamics of the nimble regulation lower mould one of weight of work piece, thereby ensure the ejecting effect of work piece.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present utility model.

Fig. 2 is a schematic top view of an embodiment of the present utility model.

FIG. 3 is a schematic cross-sectional view of a portion of a retaining rod and a bumper according to an embodiment of the present utility model.

Fig. 4 is an enlarged schematic view at a of fig. 1 according to an embodiment of the present utility model.

In the figure: 1. a work table; 2. a lower die holder; 3. a first lower die; 4. a first guide rod; 5. a fastening plate; 6. a second guide rod; 7. a first upper die; 8. an upper template; 9. a fixing frame; 10. a first cylinder; 11. a positioning rod; 12. a buffer rod I; 13. an indication rod; 14. an adjustment tank; 15. a buffer rod II; 16. a first screw rod; 17. an adjusting plate; 18. and a limiting ring.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a lamp barrel extension stamping die, comprising: the workbench 1 and the lower die holder 2, the two sides of the upper surface of the workbench 1 are fixedly connected with the fixing frame 9, the middle of the upper surface of the workbench 1 is fixedly connected with the lower die holder 2, the top of the fixing frame 9 is fixedly connected with the first cylinder 10, meanwhile, the multi-stage telescopic rod of the first cylinder 10 is fixedly connected with the upper die plate 8, the workbench 1 is internally provided with the adjusting groove 14, the first screw rod 16 is movably connected with the middle of the adjusting groove 14 through a bearing, the adjusting plate 17 is movably connected with the adjusting groove 14 through the first screw rod 16 which is in threaded connection, two ends of the bottom of the adjusting groove 14 are symmetrically provided with threaded holes, the threaded connection Kong Naluo is connected with the positioning rod 11, meanwhile, the opposite positions of the top and the bottom of the adjusting groove 14 are respectively provided with the first groove and the second groove, the top of the groove is communicated with the die holder groove provided with the lower die holder 2 through a hole, the first lower die 3 is in sliding connection in the die holder groove, and the buffer rod second 15 is fixedly connected to the lower surface of the first lower die 3, the lower end of the buffer rod second 15 penetrates through the through hole formed in the groove first and the adjusting plate 17, the surface of the buffer rod second 15 is sleeved with a spring, the first guide rod 4 is fixedly connected between the lower die holder 2 and the fixing frame 9, the first guide rod 4 is fixedly connected to the lower surface of the upper die 8 through the first guide hole formed, the first upper die 7 is fixedly connected to the lower surface of the upper die 8 at the position corresponding to the first lower die 3, the first storage groove is formed in the edge of the lower surface of the upper die 8, the second guide groove is formed in the top of the first storage groove, the second guide rod 6 is in the second guide groove through the sliding connection of the spring, and meanwhile the lower end of the second guide rod 6 is fixedly connected with the fastening plate 5.

In this embodiment, the workpiece to be punched is placed at the corresponding position on the surface of the lower die holder 2, the switch of the first cylinder 10 is started, the multi-stage telescopic rod of the first cylinder 10 pushes the upper die plate 8 to move downwards, the upper die plate 8 drives the second guide rod 6 and the fastening plate 5 to move downwards through the spring and the limiting plate, the fastening plate 5 contacts the surface of the workpiece to be punched, and in the continuous moving process of the upper die plate 8, the moving guide rod gradually stretches the spring through the limiting plate, so that the fixing effect of the fastening plate 5 on the workpiece to be punched is gradually enhanced, and then when the first upper die 7 punches the workpiece, the side edge of the workpiece can be effectively prevented from tilting, and along with the gradual punching of the first upper die 7, the first lower die 3 also gradually moves downwards along with the extending deformation of the workpiece, and the second buffer rod 15 compresses the spring through the limiting ring 18, when the fastening plate 5 is stored in the first storage groove and the first lower die 3 moves to the bottom of the die holder groove, the extending stamping of the workpiece is completed, the switch of the first cylinder 10 is started, the first cylinder 10 drives the upper die plate 8 to reset, meanwhile, the second buffer rod 15 and the limiting ring 18 push the first lower die 3 to reset under the action of the compressed spring, and then the lamp shell can be ejected out, so that the convenience of die taking is improved, wherein the first lower die 3 is insufficient in spring elasticity due to long-time use or heavy lamp shell, when the lamp shell cannot be completely separated from the lower die holder 2, the first screw rod 16 is rotated through a hand wheel, the first screw rod pushes the adjusting plate 17 of the screw joint to move upwards, then the compression state of the spring is sleeved on the surface of the second buffer rod 15 can be adjusted, the complete demoulding of the lamp shell is ensured, and the subsequent stamping is convenient to be smoothly carried out.

As a preferred embodiment, the adjusting groove 14 formed in the workbench 1 has a square structure, the top and the bottom of the adjusting groove 14 are symmetrically provided with a plurality of groups of first grooves and second grooves, the first grooves and the second grooves are both cylindrical structures, and the diameter of the first grooves is larger than that of the second grooves.

In this embodiment, as shown in fig. 1 and fig. 4, the number and positions of the first grooves and the second grooves are in one-to-one correspondence, and then the upper end and the lower end of the second buffer rod 15 can be respectively slidably connected in the first grooves and the second grooves, so as to ensure the stability of the second buffer rod 15 during moving, and the diameter of the first grooves is larger than that of the second grooves, so that the springs sleeved on the surfaces of the second buffer rod 15 can correspondingly move in the first grooves.

As a preferred embodiment, the adjusting plate 17 is in a square structure, the adjusting plate 17 and the adjusting groove 14 are matched in size, through holes are correspondingly formed in the surface of the adjusting plate 17 opposite to the first groove and the second groove, the diameter of the through holes is equal to that of the second groove, and meanwhile, the part, located between the first groove and the adjusting plate 17, of the surface of the second buffer rod 15 is sleeved with a spring.

In this embodiment, as shown in fig. 1, the adjusting plate 17 and the adjusting groove 14 are adapted in size, so that the stability of the adjusting plate 17 during sliding in the adjusting groove 14 can be enhanced, through holes formed in the surface of the adjusting plate 17 enable the adjusting plate 17 and the buffer rod two 15 to slide relatively, and the adjusting plate 17 two can adjust the compression state of the spring sleeved on the surface of the buffer rod two 15, so that the lower die one 3 can be completely reset.

As a preferred embodiment, the buffer rod II 15 is in a cylindrical structure, the upper end of the buffer rod II 15 is fixedly connected with the limiting ring 18, the limiting ring 18 is in a circular ring structure, the outer diameter of the limiting ring 18 is matched with the diameter of the groove I, meanwhile, the cross section of the shaft formed by combining the groove I and the open hole together is in a convex structure, and the size of the open hole is matched with the size of the buffer rod II 15.

In this embodiment, as shown in fig. 1 and 4, the setting of the limiting ring 18 makes the spring sleeved on the surface of the second buffer rod 15 move synchronously along with the second buffer rod 15, so that the compression state of the spring is convenient to change, so that the first lower die 3 can automatically eject the punched workpiece, and meanwhile, the stability of the second buffer rod 15 during movement can be further enhanced.

As a preferred embodiment, a first storage groove formed in the lower surface of the upper template 8 is of a back-shaped structure, four groups of second guide grooves are symmetrically formed in the middle of four sides of the first storage groove, the upper end of the second guide rod 6 is fixedly connected with a limiting plate, the limiting plate is of a circular structure, the part of the second guide rod 6 located above the upper template 8 is sleeved with a spring, meanwhile, the lower end of the spring is fixedly connected with the surface of the upper template 8, and the upper end of the spring is fixedly connected with the limiting plate.

In this embodiment, as shown in fig. 1 and 2, the setting of the limiting plate can not only avoid the fastening plate 5 and the second guide rod 6 from separating from the upper die plate 8, but also apply corresponding acting force to the second guide rod 6 and the fastening plate 5 through the corresponding springs when the upper die plate 8 punches the workpiece, so as to ensure the fixing effect of the fastening plate 5 to the workpiece.

As a preferred embodiment, the fastening plate 5 is in a shape like a Chinese character 'hui', the fastening plate 5 is matched with the first storage groove in size, the lower surface of the fastening plate 5 is fixedly connected with a fastening layer, a plurality of groups of deformation grooves are uniformly formed in the lower surface of the fastening layer, and meanwhile, the second guide rod 6 and the second guide groove which are fixedly connected with the upper surface of the fastening plate 5 are matched in size.

In this embodiment, as shown in fig. 1 and 2, the fastening layer fixedly connected to the lower surface of the fastening plate 5 is made of soft rubber, and the deformation groove is formed, so that the elasticity of the fastening layer is enhanced, and a negative pressure adsorption effect is formed on the surface of the workpiece in the deformation process of the deformation groove, so that the fixing effect of the fastening layer on the surface of the workpiece is further enhanced.

As a preferred embodiment, the positioning rod 11 is integrally in a cylindrical structure, the upper end of the outer surface of the positioning rod 11 is provided with a threaded structure, the lower end of the outer surface of the positioning rod 11 is provided with a first sliding groove communicating with the inner cavity, the first buffer rod 12 is slidably connected with the inner cavity of the positioning rod 11 through a fixedly connected indicating rod 13, the indicating rod 13 is slidably connected in the first sliding groove, and meanwhile, the first buffer rod 12 is internally provided with a weight reducing groove.

In this embodiment, as shown in fig. 1 and 3, the positioning rod 11 is screwed in the screw hole through the screw structure, so that the positioning rod 11 can adjust the corresponding position in the adjusting groove 14, thereby being convenient for forming supporting points at two ends of the adjusting plate 17, avoiding the problem that deformation damage occurs when the adjusting plate 17 limits the movement of the spring, simultaneously, the lower end of the positioning rod 11 is fixedly connected with the rotating plate, the spring arranged between the rotating plate and the buffer rod one 12 can ensure the movement state of the buffer rod one 12, and the indicating rod 13 can synchronously move downwards along with the buffer rod one 12 when the buffer rod one 12 contacts the adjusting plate 17, thereby avoiding the transitional adjustment of the positioning rod 11.

According to the lamp tube extension stamping die, the buffer rod II 15, the spring, the adjusting plate 17 and the screw rod I16 are matched, so that the lower die I3 can automatically eject a stamped product, the product taking-out difficulty is reduced, and when the lower die I3 is used for a long time, the ejection force is weakened, the lower die I3 can be conveniently adjusted, and the lower die I3 has a good ejection effect again.

Claims (7)

1. A lamp barrel extension stamping die comprising: workstation (1) and die holder (2), workstation (1) upper surface both sides fixed connection mount (9), and middle part fixed connection die holder (2) of workstation (1) upper surface, mount (9) top fixed connection cylinder one (10), multistage telescopic link fixed connection cope match-plate pattern (8) of cylinder one (10), its characterized in that simultaneously: an adjusting groove (14) is formed in the workbench (1), a first screw rod (16) is movably connected to the middle of the adjusting groove (14) through a bearing, an adjusting plate (17) is movably connected to the adjusting groove (14) through a first screw rod (16) which is in threaded connection, two ends of the bottom of the adjusting groove (14) are symmetrically provided with threaded holes, a positioning rod (11) is connected in threaded connection Kong Naluo, meanwhile, the opposite positions of the top and the bottom of the adjusting groove (14) are respectively provided with a first groove and a second groove, the top of the first groove is communicated with the die holder groove formed in the lower die holder (2) through a hole, the first lower die (3) is in sliding connection with the die holder groove, the lower surface of the first lower die (3) is fixedly connected with a buffer rod (15), the lower end of the buffer rod (15) penetrates through a through hole formed in the first groove and the adjusting plate (17), the surface of the buffer rod (15) is sleeved with a spring, a guide rod (4) is fixedly connected between the lower die holder (2) and a fixed mount (9), an upper die plate (8) is in sliding connection with the guide rod (4) through the first guide hole, the lower die plate (8) is in the position of the lower die holder (8) which is opposite to the lower surface of the first die plate (3) and is fixedly connected with the lower die plate (7), the upper die (8) through the upper die (7) and the upper die (7) is fixedly connected with the lower end of the lower die rod, meanwhile, the lower end of the second guide rod (6) is fixedly connected with the fastening plate (5).

2. The lamp tube extension stamping die according to claim 1, wherein the adjusting groove (14) formed in the workbench (1) is of a square structure, a plurality of groups of first grooves and second grooves are symmetrically formed in the top and the bottom of the adjusting groove (14), the first grooves and the second grooves are of cylindrical structures, and the diameter of the first grooves is larger than that of the second grooves.

3. The lamp tube extending stamping die according to claim 1, wherein the adjusting plate (17) is of a square structure, the adjusting plate (17) and the adjusting groove (14) are matched in size, through holes are correspondingly formed in the surface of the adjusting plate (17) opposite to the first groove and the second groove, the diameter of the through holes is equal to that of the second groove, and meanwhile springs are sleeved on the part, located between the first groove and the adjusting plate (17), of the surface of the buffer rod II (15).

4. The lamp tube extending stamping die according to claim 1, wherein the buffer rod II (15) is of a cylindrical structure, the upper end of the buffer rod II (15) is fixedly connected with the limiting ring (18), the limiting ring (18) is of a circular ring structure, the outer diameter of the limiting ring (18) is matched with the diameter of the groove I, meanwhile, the cross section of a shaft formed by combining the groove I and the open hole is of a convex structure, and the size of the open hole is matched with the size of the buffer rod II (15).

5. The lamp tube extending stamping die according to claim 1, wherein a first storage groove formed in the lower surface of the upper die plate (8) is of a back-shaped structure, four groups of second guide grooves are symmetrically formed in the middle of four sides of the first storage groove, the upper end of the second guide rod (6) is fixedly connected with a limiting plate, the limiting plate is of a circular structure, a part, above the upper die plate (8), of the second guide rod (6) is sleeved with a spring, the lower end of the spring is fixedly connected with the surface of the upper die plate (8), and the upper end of the spring is fixedly connected with the limiting plate.

6. The lamp tube extension stamping die according to claim 1, wherein the fastening plate (5) is in a back-shaped structure, the fastening plate (5) is matched with the first storage groove in size, the lower surface of the fastening plate (5) is fixedly connected with a fastening layer, a plurality of groups of deformation grooves are uniformly formed in the lower surface of the fastening layer, and meanwhile, the second guide rod (6) fixedly connected with the upper surface of the fastening plate (5) is matched with the second guide groove in size.

7. The lamp tube extending stamping die according to claim 1, wherein the positioning rod (11) is integrally of a cylindrical structure, a threaded structure is formed in the upper end of the outer surface of the positioning rod (11), a first connecting cavity of a sliding groove is formed in the lower end of the outer surface of the positioning rod (11), the first buffer rod (12) is slidably connected to the inner cavity of the positioning rod (11) through an indicating rod (13) fixedly connected, the indicating rod (13) is slidably connected to the first sliding groove, and a weight-reducing groove is formed in the first buffer rod (12).