Automobile tail door telescopic rod machining die

Abstract

The utility model belongs to the field of dies, and particularly relates to an automobile tail door telescopic rod machining die which comprises a shell, a workbench fixedly installed on the top of the shell, a lower die fixedly installed on the top of the workbench, a rack installed on the top of the workbench, and two hydraulic cylinders fixedly installed on the top of the rack. A hydraulic cylinder is fixedly installed on the lower die, an upper die matched with the lower die is fixedly installed on an output shaft of the hydraulic cylinder, a lower forming groove is formed in the top of the lower die, an upper forming groove is formed in the bottom of the upper die, the lower forming groove and the upper forming groove form the shape of the automobile tail door telescopic rod, and an ejection mechanism is arranged on the lower die. According to the utility model, the design is reasonable, the ejector rod is quickly reset through the reset spring, the ejection mechanism is protected through sliding sealing connection, the threaded rod and the trapezoidal extrusion seat are matched to drive the ejector rod, the limiting rod and the limiting seat are used for guiding, and the driving mechanism is linked for demolding and discharging, so that the working continuity, stability, reliability and automation degree of the mold are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field especially relates to a kind of automobile tailgate telescopic rod processing mould. BACKGROUND

[0002] In the automobile manufacturing industry, the automobile tailgate telescopic rod is the key component to ensure the normal opening and closing of tailgate. Its processing precision and quality are directly related to the opening and closing smoothness, sealing and service life of the tailgate, and thus affect the user experience and safety of the whole vehicle.

[0003] The conventional automobile tailgate telescopic rod processing mould often has the phenomenon of telescopic rod and mould adhesion in the demoulding stage, and the discharge is relatively troublesome. In the discharging link, manual operation dominates, and the efficiency is extremely low, which is difficult to meet the rhythm of large-scale automobile production and seriously restricts the improvement of production efficiency. At the same time, the instability of manual discharge also makes it difficult to ensure the consistency of product quality, so we propose a kind of automobile tailgate telescopic rod processing mould to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides an automobile tailgate telescopic rod processing mould.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An automobile tailgate telescopic rod processing mould, comprising a shell, a workbench is fixedly installed on the top of the shell, a lower die is fixedly installed on the top of the workbench, a rack is installed on the top of the workbench, two hydraulic cylinders are fixedly installed on the top of the rack, an upper die matched with the lower die is fixedly installed on the output shaft of the hydraulic cylinder, a lower forming groove is formed in the top of the lower die, an upper forming groove is formed in the bottom of the upper die, and the lower forming groove and the lower forming groove form the shape of the automobile tailgate telescopic rod, an ejection mechanism is arranged on the lower die, the ejection mechanism comprises a moving groove, a moving plate and a ejector rod, two moving grooves are formed in the bottom of the lower die, the moving plate is slidably installed in the moving groove, the ejector rod is installed on the moving plate, and the ejector rod extends into the lower forming groove, and the bottom end of the ejector rod extends into the shell.

[0007] Preferably, a return spring is fixedly installed on the top of the moving plate, and the top end of the return spring is fixedly installed on the top inner wall of the moving groove.

[0008] Preferably, a moving hole is formed in the top of the moving groove, and the ejector rod is slidably and sealingly connected with the moving hole.

[0009] Preferably, the bottom of the workbench is fixedly provided with two connecting seats, a threaded rod is rotatably arranged between the two connecting seats, two trapezoidal extrusion seats are threadedly arranged on the threaded rod, and the trapezoidal extrusion seats are matched with the ejector rod.

[0010] Preferably, the threaded rod is provided with two external threads in opposite directions, and the trapezoidal extrusion seat is provided with an internal thread hole on one side, and the external thread is matched with the corresponding internal thread hole.

[0011] Preferably, the same limiting rod is fixedly arranged between the two connecting seats, and the limiting seat is fixedly arranged at the bottom of the trapezoidal extrusion seat and slidably arranged on the limiting rod.

[0012] Preferably, one side of the upper die is fixedly provided with a lifting plate, the bottom of the lifting plate is fixedly provided with a driving seat, and the driving mechanism is arranged between the driving seat and the threaded rod.

[0013] Preferably, the driving mechanism comprises a straight rack and a rotating gear, the straight rack is fixedly arranged on the front side of the driving seat, the rotating gear is fixedly arranged on one end of the threaded rod, and the rotating gear is engaged with the straight rack.

[0014] The utility model discloses the beneficial effects of:

[0015] 1. Because set up the ejection mechanism, in the demolding process can automatically the formed automobile tail door telescopic rod ejection, greatly improved the discharging efficiency, reduced manual operation, reduced production cost.

[0016] 2. The lifting of the upper die is used to drive the rotation of the threaded rod, and then the ejection action of the ejector rod is controlled, so that the linkage of the demolding and discharging processes is realized, and the automation degree of the machining process is improved.

[0017] 3. The ejector rod is in sliding sealing connection with the moving hole, the setting of the reset spring ensures the position stability of the ejector rod in the non-working state, and the ejector rod can be automatically reset after ejection, so that the stability and reliability of the die are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A three-dimensional structure schematic view of the automobile tail door telescopic rod machining die is provided for the utility model;

[0019] Figure 2 A sectional three-dimensional structure schematic view of the automobile tail door telescopic rod machining die is provided for the utility model;

[0020] Figure 3 A structure schematic view of part A of the automobile tail door telescopic rod machining die is provided for the utility model;

[0021] Figure 4The utility model provides a kind of automobile tail door telescopic rod processing mould's B part structure schematic view.

[0022] In the figure: 101, shell; 102, workbench; 103, lower mould; 104, lower forming groove; 105, rack; 106, hydraulic cylinder; 107, upper mould; 108, upper forming groove; 201, moving groove; 202, moving plate; 203, ejector rod; 204, return spring; 301, connecting seat; 302, threaded rod; 303, trapezoidal extrusion seat; 401, limiting rod; 402, limiting seat; 501, lifting plate; 502, driving seat; 601, straight rack; 602, rotating gear. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings Figures 1-4 Further detailed description is made to the present application.

[0024] The embodiment of the application discloses a kind of automobile tail door telescopic rod processing mould.

[0025] Refer to Figures 1-4 A kind of automobile tail door telescopic rod processing mould, including shell 101, the top of shell 101 is fixedly installed with workbench 102, the top of workbench 102 is fixedly installed with lower mould 103, the top of workbench 102 is installed with rack 105, the top of rack 105 is fixedly installed with two hydraulic cylinders 106, the output shaft of hydraulic cylinder 106 is fixedly installed with the upper mould 107 that is compatible with lower mould 103, the top of lower mould 103 is equipped with lower forming groove 104, the bottom of upper mould 107 is equipped with upper forming groove 108, and lower forming groove 104 and lower forming groove 104 constitute the shape of automobile tail door telescopic rod, lower mould 103 is equipped with ejection mechanism, ejection mechanism includes moving groove 201, moving plate 202 and ejector rod 203, the bottom of lower mould 103 is equipped with two moving grooves 201, moving plate 202 is slidably installed in moving groove 201, moving plate 202 is installed with ejector rod 203, and ejector rod 203 extends into lower forming groove 104, the bottom end of ejector rod 203 extends into shell 101.

[0026] In the embodiment, the top of moving plate 202 is fixedly installed with return spring 204, and the top end of return spring 204 is fixedly installed on the top inner wall of moving groove 201.The setting of return spring 204 makes that ejector rod 203 can be reset quickly by its elastic potential energy after completing the action of ejecting telescopic rod, prepares for next injection molding and discharging process, greatly improves the coherence and efficiency of mould work.

[0027] In this embodiment, the top of the moving groove 201 is provided with a moving hole, and the top rod 203 is in sliding sealing connection with the moving hole. This sliding sealing connection mode ensures the stability of the top rod 203 during movement, so that it can accurately eject the formed telescopic rod, and also prevents the injection material from flowing into the moving groove 201 during mold injection, avoiding damage to the ejection mechanism and prolonging the service life of the mold.

[0028] In this embodiment, the bottom of the workbench 102 is fixedly provided with two connecting seats 301, a threaded rod 302 is rotatably arranged between the two connecting seats 301, two trapezoidal extrusion seats 303 are threadedly arranged on the threaded rod 302, the trapezoidal extrusion seats 303 are matched with the top rod 203, the threaded rod 302 is provided with two external threads in opposite directions, and the trapezoidal extrusion seats 303 are provided with internal thread holes on one side, and the external threads are matched with the corresponding internal thread holes. The structure is ingenious, the relative or reverse movement of the two trapezoidal extrusion seats 303 can be accurately controlled through the rotation of the threaded rod 302, the trapezoidal extrusion seats 303 are used to apply stable and controllable extrusion force to the top rod 203, the effective driving of the top rod 203 is realized, and the stability and reliability of the discharging process are ensured.

[0029] In this embodiment, the same limiting rod 401 is fixedly arranged between the two connecting seats 301, and the limiting seat 402 is fixedly arranged on the bottom of the trapezoidal extrusion seat 303 and slidably arranged on the limiting rod 401. The cooperation of the limiting rod 401 and the limiting seat 402 provides accurate guidance for the movement of the trapezoidal extrusion seat 303, so that it can only move stably along the direction of the limiting rod 401 under the driving of the threaded rod 302, avoiding the deviation or shaking of the trapezoidal extrusion seat 303 during movement, and further improving the stability and accuracy of the operation of the ejection mechanism.

[0030] In this embodiment, the lifting plate 501 is fixedly arranged on one side of the upper mold 107, the driving seat 502 is fixedly arranged on the bottom of the lifting plate 501, the driving mechanism is arranged between the driving seat 502 and the threaded rod 302, the driving mechanism comprises a straight rack 601 and a rotating gear 602, the straight rack 601 is fixedly arranged on the front side of the driving seat 502, the rotating gear 602 is fixedly arranged on one end of the threaded rod 302, and the rotating gear 602 is engaged with the straight rack 601. This driving mechanism cleverly converts the lifting movement of the upper mold 107 into the rotation of the threaded rod 302, realizes the linkage of demolding and discharging, does not need an additional power source, simplifies the power structure of the mold, improves the automation degree of the whole mold operation, reduces the manual intervention, ensures the efficiency and stability of the production process.

[0031] The utility model discloses a working principle: when the automobile tail door telescopic rod is processed, when the upper die 107 and lower die 103 close mould, the top rod 203 is received to the mobile hole at this moment, the shape of the automobile tail door telescopic rod is constituted through lower forming groove 104 and lower forming groove 104, thereby can realize the purpose of the injection molding of automobile tail door telescopic rod, and the upper die 107 can be driven to move upwards through hydraulic cylinder 106, thereby can realize the purpose of stripping, and the upper die 107 can be moved upwards to take lift plate 501 and drive seat 502 to move upwards, and drive seat 502 can take rotating gear 602 to rotate through straight rack 601, and rotating gear 602 can take screw rod 302 to rotate, because two external threads of opposite rotation are equipped on screw rod 302, the rotation of screw rod 302 can take two trapezoidal extrusion seat 303 to move to the direction of mutually far away, and trapezoidal extrusion seat 303 can extrude top rod 203 upwards through the hypotenuse, and top rod 203 can take moving plate 202 to move upwards and compress reset spring 204, and top rod 203 can push the telescopic rod of forming out lower forming, thereby realizes the purpose of discharging.

[0032] The above are the preferred embodiments of the present application, and not limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A mold for processing a car tailgate telescopic rod, characterized in that, The device includes a housing (101), a workbench (102) is fixedly mounted on the top of the housing (101), a lower mold (103) is fixedly mounted on the top of the workbench (102), a frame (105) is mounted on the top of the workbench (102), two hydraulic cylinders (106) are fixedly mounted on the top of the frame (105), and an upper mold (107) adapted to the lower mold (103) is fixedly mounted on the output shaft of the hydraulic cylinders (106). The lower mold (103) has a lower forming groove (104) at the top, and the upper mold (107) has an upper forming groove (108) at the bottom. The lower forming groove (104) and the lower forming groove (108) together form the shape of a car tailgate telescopic rod. The lower mold (103) is provided with an ejection mechanism. The ejection mechanism includes a movable groove (201), a movable plate (202), and an ejector rod (203). The bottom of the lower mold (103) has two movable grooves (201). The movable plate (202) is slidably installed in the movable groove (201). The ejector rod (203) is installed on the movable plate (202) and extends into the lower forming groove (104). The bottom end of the ejector rod (203) extends into the housing (101).

2. The automobile tailgate telescopic rod processing mold according to claim 1, characterized in that, A reset spring (204) is fixedly installed on the top of the movable plate (202), and the top end of the reset spring (204) is fixedly installed on the top inner wall of the movable groove (201).

3. The automobile tailgate telescopic rod processing mold according to claim 1, characterized in that, The top of the movable groove (201) is provided with a movable hole, and the top rod (203) is slidably and sealingly connected to the movable hole.

4. The automobile tailgate telescopic rod processing mold according to claim 1, characterized in that, Two connecting seats (301) are fixedly installed at the bottom of the workbench (102). A threaded rod (302) is rotatably installed between the two connecting seats (301). Two trapezoidal extrusion seats (303) are threaded on the threaded rod (302), and the trapezoidal extrusion seats (303) are adapted to the top rod (203).

5. The automobile tailgate telescopic rod processing mold according to claim 4, characterized in that, The threaded rod (302) is provided with two external threads with opposite directions of rotation, and the trapezoidal extrusion seat (303) has an internal thread hole on one side, and the external threads are adapted to the corresponding internal thread hole.

6. The automobile tailgate telescopic rod processing mold according to claim 4, characterized in that, The same limiting rod (401) is fixedly installed between the two connecting seats (301), and a limiting seat (402) is fixedly installed at the bottom of the trapezoidal extrusion seat (303), and the limiting seat (402) is slidably sleeved on the limiting rod (401).

7. The automobile tailgate telescopic rod processing mold according to claim 1, characterized in that, A lifting plate (501) is fixedly installed on one side of the upper mold (107), and a drive seat (502) is fixedly installed at the bottom of the lifting plate (501). A drive mechanism is provided between the drive seat (502) and the threaded rod (302).

8. The automobile tailgate telescopic rod processing mold according to claim 7, characterized in that, The drive mechanism includes a rack (601) and a rotating gear (602). The rack (601) is fixedly mounted on the front side of the drive seat (502), and the rotating gear (602) is fixedly mounted on one end of the threaded rod (302), and the rotating gear (602) meshes with the rack (601).

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