Plastic mold for precise plastic part of automobile

Abstract

The utility model discloses an automobile precision plastic part plastic mould which comprises a supporting table, a supporting frame is welded on the supporting table, a hydraulic cylinder is installed on the supporting frame, an upper mould is fixedly connected to the bottom end of a telescopic rod of the hydraulic cylinder, a lower mould is arranged below the upper mould, the lower mould is composed of a base and a ring body arranged on the base in a sleeved mode, and the ring body is arranged on the base. A supporting table is installed on the supporting frame, a punching mechanism is installed on the supporting table, a through hole is formed in the ring body, a stabilizing plate is detachably installed on the supporting frame, a first guide sleeve is fixedly installed on the stabilizing plate, and the inner wall of the first guide sleeve is slidably connected with a telescopic rod of a hydraulic cylinder. The ring body is arranged on the base used as the lower die, so that the upper die and the base can be quickly and accurately assembled, and the machining efficiency is improved; and through the arrangement of the punching mechanism, the formed workpiece can be directly punched in the mold, so that the time for placing the workpiece on punching equipment is saved, and the machining efficiency of the workpiece is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic molds, in particular to a plastic mold for automobile precision plastic parts. Background Art

[0002] In the process of processing precision plastic parts for automobiles, it is necessary to use an injection mold. If the workpieces that need to be drilled need to be moved to the drilling setting for drilling after injection molding, it will waste a lot of time to fix the workpiece using a fixing component or a clamping component, that is, the plastic mold does not have the function of drilling holes in the molded workpiece, resulting in low processing efficiency of the workpiece. Utility Model Content

[0003] In view of the problems existing in the existing plastic mold for automobile precision plastic parts, the utility model is proposed.

[0004] Therefore, the purpose of the utility model is to provide a plastic mold for automobile precision plastic parts, which solves the problem that if the workpieces that need to be drilled need to be moved to the hole-drilling device for drilling after injection molding, it will waste a lot of time to fix the workpiece using a fixing component or a clamping component, that is, the plastic mold does not have the function of drilling holes in the molded workpiece, thereby resulting in low processing efficiency of the workpiece.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A plastic mold for a precision plastic part of an automobile comprises a support platform, a support frame is welded on the support platform, a hydraulic cylinder is installed on the support frame, an upper mold is fixedly connected to the bottom end of a telescopic rod of the hydraulic cylinder, a lower mold is arranged below the upper mold, the lower mold consists of a base and a ring body sleeved thereon, a punching mechanism is installed on the support platform, and a through hole is opened on the ring body.

[0007] As a preferred solution of the plastic mold for automobile precision plastic parts described in the utility model, wherein: a stabilizing plate is detachably mounted on the support frame, a first guide sleeve is fixedly mounted on the stabilizing plate, and the inner wall of the first guide sleeve is slidably connected to the telescopic rod of the hydraulic cylinder.

[0008] As a preferred solution of a plastic mold for automobile precision plastic parts described in the utility model, a first support connecting seat is welded on the support frame, the inner wall of the first support connecting seat is plugged with the stabilizing plate, and the stabilizing plate and the first support connecting seat are fixed by bolts.

[0009] As a preferred solution of the plastic mold for automobile precision plastic parts described in the utility model, a first electric telescopic rod is installed at the bottom end of the base through bolts, and the bottom end of the first electric telescopic rod is connected to the support platform through bolts.

[0010] As a preferred solution of a plastic mold for a precision plastic part of an automobile described in the utility model, the punching mechanism includes a U-shaped frame welded on a support frame, a second electric telescopic rod is installed on the U-shaped frame by bolts, the other end of the second electric telescopic rod is connected to a motor bracket by bolts, a motor is installed on the motor bracket, and the output shaft of the motor is connected to the punching rod by bolts.

[0011] As a preferred solution of the plastic mold for automobile precision plastic parts described in the utility model, one end of the motor bracket is welded with a support plate, the inner wall of the support plate is slidably connected to a guide rod, and the guide rod is detachably mounted on the support frame.

[0012] As a preferred solution of the plastic mold for automobile precision plastic parts described in the utility model, the punching mechanism further includes a stabilizing column, a second guide sleeve is fixedly mounted on the stabilizing column, and an inner wall of the second guide sleeve is slidably connected to the punching rod.

[0013] As a preferred solution of the plastic mold for automobile precision plastic parts described in the utility model, one end of the punching rod is integrally provided with a threaded rod, and the end of the threaded rod is pointed.

[0014] Compared with existing technologies:

[0015] 1. By setting a ring body on the base used as the lower mold, it is helpful to quickly and accurately close the upper mold and the base, thereby improving the processing efficiency;

[0016] 2. By setting up a punching mechanism, the formed workpiece can be punched directly in the mold, thereby saving the time of placing the workpiece on the punching equipment and further improving the processing efficiency of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure provided by the utility model;

[0018] Figure 2 The utility model provides Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 The utility model provides Figure 1 A cross-sectional view of

[0020] Figure 4This is a schematic diagram of the support connecting seat provided by the utility model.

[0021] In the figure: support frame 1, hydraulic cylinder 2, stabilizing plate 4, first supporting connecting seat 5, U-shaped frame 6, support platform 7, first electric telescopic rod 8, base 9, ring body 91, upper mold 10, stabilizing column 11, punching rod 12, threaded rod 121, support plate 14, guide rod 15, motor bracket 16, motor 17, second electric telescopic rod 18. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation methods of the present invention will be further described in detail below with reference to the accompanying drawings.

[0023] The utility model provides a plastic mold for automobile precision plastic parts. Figure 1-4 , including a support platform 7, a support frame 1 is welded on the support platform 7, a hydraulic cylinder 2 is installed on the support frame 1, an upper mold 10 is fixedly connected to the bottom end of the telescopic rod of the hydraulic cylinder 2, a lower mold is arranged below the upper mold 10, the lower mold is composed of a base 9 and a ring body 91 sleeved thereon (the base 9 acts as a lower mold to cooperate with the upper mold 10 to realize the function), the ring body 91 is fixed on the support platform 7, the base 9 and the ring body 91 are slidably connected, a punching mechanism is installed on the support platform 7, a through hole is opened on the ring body 91, and the through hole is connected to the inner cavity of the ring body 91; at the same time, a through hole is also opened on the base 9, and the position of the through hole is the position where the workpiece needs to be punched; the top opening of the ring body 91 is larger than the size of the upper mold 10, and the cavity at the bottom end of the ring body 91 is the same as the size of the upper mold 10, so that the mold can be closed conveniently and quickly.

[0024] The support frame 1 is detachably mounted with a stabilizing plate 4, on which a first guide sleeve is fixedly mounted, and the inner wall of the first guide sleeve is slidably connected to the telescopic rod of the hydraulic cylinder 2, so that the stabilizing plate 4 can make the telescopic rod of the hydraulic cylinder 2 more smoothly extended and retracted, which is helpful for accurate mold closing.

[0025] A first support connection seat 5 is welded on the support frame 1 , and a stabilizing plate 4 is inserted into the inner wall of the first support connection seat 5 . The stabilizing plate 4 and the first support connection seat 5 are fixed by bolts.

[0026] A first electric telescopic rod 8 is installed on the bottom end of the base 9 by means of bolts, and the bottom end of the first electric telescopic rod 8 is connected to the support platform 7 by means of bolts.

[0027] The punching mechanism includes a U-shaped frame 6 welded to the support frame 1, a second electric telescopic rod 18 is installed on the U-shaped frame 6 by bolts, the other end of the second electric telescopic rod 18 is connected to the motor bracket 16 by bolts, a motor 17 is installed on the motor bracket 16, the output shaft of the motor 17 is connected to the punching rod 12 by bolts, one end of the punching rod 12 is integrally provided with a threaded rod 121, the end of the threaded rod 121 is pointed; the motor 17 is used to drive the punching rod 12 to rotate, thereby driving the threaded rod 121 to rotate, and at the same time the second electric telescopic rod 18 gradually extends to drive the threaded rod 121 to move.

[0028] A support plate 14 is welded to one end of the motor bracket 16 , and the inner wall of the support plate 14 is slidably connected to a guide rod 15 , which is detachably mounted on the support frame 1 ; the guide rod 15 can ensure the movement stability of the motor bracket 16 and the motor 17 .

[0029] The punching mechanism also includes a stabilizing column 11 , on which a second guide sleeve is fixedly mounted, and an inner wall of the second guide sleeve is slidably connected to the punching rod 12 ; the stabilizing column 11 can ensure the stability of the movement of the punching rod 12 .

[0030] During specific use, the telescopic rod of the hydraulic cylinder 2 drives the upper mold 10 to descend, so that it can complete the mold closing with the base 9; after cooling and forming, the first electric telescopic rod 8 extends to drive the base 9 to rise, so that the through hole on the workpiece base 9 is aligned with the threaded rod 121, and the motor 17 is used to drive the punching rod 12 and the threaded rod 121 to rotate, and the second electric telescopic rod 18 extends to drive the threaded rod 121 to gradually approach and enter the workpiece to complete the punching operation.

[0031] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A plastic mold for a precision plastic part of an automobile, comprising a support platform (7), a support frame (1) welded on the support platform (7), a hydraulic cylinder (2) mounted on the support frame (1), an upper mold (10) fixedly connected to the bottom end of a telescopic rod of the hydraulic cylinder (2), a lower mold being arranged below the upper mold (10), Features: The lower mold is composed of a base (9) and a ring body (91) sleeved thereon. A punching mechanism is installed on the support platform (7), and a through hole is opened on the ring body (91).

2. A plastic mold for automotive precision plastic parts according to claim 1, It is characterized in that A stabilizing plate (4) is detachably mounted on the support frame (1), a first guide sleeve is fixedly mounted on the stabilizing plate (4), and the inner wall of the first guide sleeve is slidably connected to the telescopic rod of the hydraulic cylinder (2).

3. A plastic mold for automotive precision plastic parts according to claim 2, It is characterized in that A first support connection seat (5) is welded to the support frame (1); the inner wall of the first support connection seat (5) is plugged with the stabilizing plate (4); and the stabilizing plate (4) and the first support connection seat (5) are fixed by bolts.

4. The plastic mold for automobile precision plastic parts according to claim 1, It is characterized in that A first electric telescopic rod (8) is mounted on the bottom end of the base (9) via bolts, and the bottom end of the first electric telescopic rod (8) is connected to the support platform (7) via bolts.

5. The plastic mold for automobile precision plastic parts according to claim 1, It is characterized in that The punching mechanism comprises a U-shaped frame (6) welded to a support frame (1); a second electric telescopic rod (18) is mounted on the U-shaped frame (6) via bolts; the other end of the second electric telescopic rod (18) is connected to a motor bracket (16) via bolts; a motor (17) is mounted on the motor bracket (16); and an output shaft of the motor (17) is connected to a punching rod (12) via bolts.

6. A plastic mold for automotive precision plastic parts according to claim 5, It is characterized in that A support plate (14) is welded to one end of the motor bracket (16); the inner wall of the support plate (14) is slidably connected to a guide rod (15); and the guide rod (15) is detachably mounted on the support frame (1).

7. The plastic mold for automobile precision plastic parts according to claim 1, It is characterized in that The punching mechanism further comprises a stabilizing column (11), a second guide sleeve being fixedly mounted on the stabilizing column (11), and an inner wall of the second guide sleeve being slidably connected to the punching rod (12).

8. A plastic mold for automotive precision plastic parts according to any one of claims 5 to 7, It is characterized in that A threaded rod (121) is integrally provided at one end of the punching rod (12), and the end of the threaded rod (121) is pointed.

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