Shearing device for injection molding machining

Abstract

The utility model discloses an injection molding machining shearing device which comprises a base, and a plurality of air cylinder cutters are arranged at the top end of the base. A sliding groove is formed in the top end of the base, an adjusting mechanism capable of adjusting movement of the multiple air cylinder cutters is arranged in the sliding groove, a protection mechanism is arranged at the top ends of the air cylinder cutters and comprises a protection shell, and the air cylinder cutters are connected with an inner cavity of the protection shell in a sliding and penetrating mode; and a plurality of clamping grooves are formed in the bottom end of the protective shell at equal intervals, and the clamping assemblies are located in the clamping grooves. By means of the arrangement mode that the protective shell and the clamping assembly are matched, when the air cylinder cutter is not used, the protective shell can be arranged outside the cutter part of the air cylinder cutter in a sleeved mode through the clamping assembly, and therefore the cutter part can be protected, and meanwhile when the air cylinder cutter is used, the cutter part can be prevented from being damaged. And a rotating plate in the adjusting assembly is positioned through the clamping assembly, so that the driving rod is effectively prevented from rotating by mistake during working.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding processing related technical field, especially injection molding processing shearing mechanism. BACKGROUND

[0002] The cylinder scissors is also one kind of cylinder tools, which is mainly used for product shearing and cutting in industrial production. Generally, the cylinder scissors products include electronic foot special cylinder scissors, injection molding plastic sprue special cylinder scissors, etc.

[0003] In the process of injection molding processing, the cylinder scissors is used for shearing the material handle of the injection molding part. However, when the cylinder scissors is not in use, the tip of the scissors is always exposed to the external environment, which may cause damage to the tip of the scissors when an external object or the user accidentally touches the tip of the scissors. At the same time, the object being hit may be scratched, and the user may be stabbed by the tip, thereby reducing the safety performance of the cylinder scissors. SUMMARY

[0004] The utility model aims at providing an injection molding processing shearing device to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an injection molding processing shearing device, comprising a base, a plurality of cylinder cutters are arranged at the top end of the base;

[0006] A sliding groove is formed at the top end of the base, and an adjusting mechanism for adjusting the movement of the plurality of cylinder cutters is arranged inside the sliding groove. The top end of the cylinder cutter is provided with a protection mechanism, which comprises:

[0007] A protective shell is slidably connected with the inner cavity of the cylinder cutter and the protective shell, which is used for protecting the cutter part;

[0008] A clamping assembly is arranged inside the clamping groove at the bottom end of the protective shell, which is used for positioning the protective shell.

[0009] Preferably, the clamping assembly comprises:

[0010] A sliding rod is fixedly connected with the inner wall of the clamping groove at both ends;

[0011] A clamping rod is slidably connected with the sliding rod, and a plurality of clamping holes are formed at the outer wall of the cylinder cutter at equal intervals. The clamping rod is slidably connected with the inner cavity of the clamping hole, and the clamping rod cooperates with the adjusting mechanism.

[0012] A compression spring is sleeved on the outside of the sliding rod.

[0013] Preferably, one end of the compression spring is fixedly connected with the clamping rod, the other end of the compression spring is fixedly connected with the inner wall of the clamping groove, and the clamping rod is in L-shaped cross section.

[0014] Preferably, the plurality of clamping rods are fixedly connected with pull rods on opposite sides, and the plurality of pull rods are fixedly connected with synchronous plates on adjacent sides.

[0015] Preferably, the adjusting mechanism comprises:

[0016] The drive rod is rotatably connected with the inner wall of the sliding groove at both ends, and the outer wall of the drive rod is provided with a bidirectional screw thread.

[0017] The plurality of rotating plates are fixedly connected with the two ends of the drive rod respectively, the outer wall of the rotating plate is provided with a plurality of positioning holes at equal intervals, and the plurality of clamping rods are matched with the inner cavities of the positioning holes.

[0018] The plurality of sliding seats are in screw transmission with the drive rod, and the plurality of cylinder cutters are fixedly connected with the plurality of sliding seats.

[0019] Preferably, the top end of the base is provided with a plurality of positioning grooves at equal intervals, and the plurality of clamping rods are slidably connected with the inner cavities of the positioning grooves.

[0020] The technical effects and advantages of the utility model are as follows:

[0021] The utility model discloses a protective shell and clamping assembly matched setting mode, when not using the cylinder cutter, can use the clamping assembly to cover the cutter part outside the cylinder cutter, thereby can protect the cutter part, also can prevent the staff from being hurt, simultaneously when using the cylinder cutter, can adjust the spacing between the plurality of cylinder cutters to the distance required for cutting through the adjusting assembly, to adapt to the synchronous processing of different specifications and sizes of injection molding parts, make the processing efficiency better, and through the clamping assembly, the rotating plate in the adjusting assembly is positioned, thereby effectively preventing the drive rod from being misrotated when working, and the protective shell also cannot be lost, convenient to use. DRAWINGS

[0022] Figure 1 It is one of the overall structure schematic diagram of the utility model.

[0023] Figure 2 It is the second overall structure schematic diagram of the utility model.

[0024] Figure 3 It is the front internal structure schematic diagram of the protective mechanism of the utility model.

[0025] Figure 4 It is the front internal structure schematic diagram of the base of the utility model.

[0026] In the figure: 1, base; 2, cylinder cutter; 3, protection mechanism; 31, protection shell; 32, clamping assembly; 321, sliding rod; 322, clamping rod; 323, compression spring; 4, adjusting mechanism; 41, driving rod; 42, rotating plate; 43, sliding seat; 5, pull rod; 6, synchronization plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] The utility model provides a kind of injection processing shearing device as Figures 1-4 As shown in the figure, a kind of injection processing shearing device is provided, including base 1, its top end is provided with multiple cylinder cutters 2, cylinder cutter 2 can be sheared to the material of injection part and is operated;

[0029] Further, the top end of the base 1 is provided with a sliding groove, and the inside of the sliding groove is provided with an adjusting mechanism 4 for adjusting the movement of the plurality of cylinder cutters 2. The top end of the cylinder cutter 2 is provided with a protection mechanism 3, which includes a protection shell 31 and a clamping assembly 32. The cylinder cutter 2 is slidably connected with the inner cavity of the protection shell 31 for protecting the cutter part. A plurality of clamping grooves are equidistantly formed at the bottom end of the protection shell 31, and the clamping assembly 32 is located inside the clamping grooves for positioning the protection shell 31.

[0030] Specifically, the clamping assembly 32 includes a sliding rod 321, a clamping rod 322 and a compression spring 323. Both ends of the sliding rod 321 are fixedly connected with the inner wall of the clamping groove. The clamping rod 322 is slidably connected with the sliding rod 321. A plurality of clamping holes are equidistantly formed on the outer wall of the cylinder cutter 2. The clamping rod 322 is slidably connected with the inner cavity of the clamping hole. The clamping rod 322 cooperates with the adjusting mechanism 4. When the cylinder cutter 2 is not in use, the clamping rod 322 can be clamped with the clamping hole. At this time, the protection shell 31 is sleeved on the cutter part of the cylinder cutter 2, so that the cutter can be effectively prevented from being damaged by external objects, and the cutter can also be prevented from causing harm to the workers. The compression spring 323 is sleeved outside the sliding rod 321. One end of the compression spring 323 is fixedly connected with the clamping rod 322, and the other end of the compression spring 323 is fixedly connected with the inner wall of the clamping groove. The cross section of the clamping rod 322 is L-shaped, and the compression spring 323 is always in a compressed state, so as to provide a stable elastic force to the clamping rod 322, thereby stably clamping the clamping rod 322 with the clamping hole or the positioning hole.

[0031] Further, the plurality of clamping rods 322 are fixedly connected with pull rods 5 on the opposite side, and the plurality of pull rods 5 are fixedly connected with synchronous plates 6 on the adjacent side, the plurality of pull rods 5 on the adjacent side can be pulled simultaneously through the synchronous plates 6, so that the plurality of clamping rods 322 can be pulled through the pull rods 5, and the plurality of clamping rods 322 can be separated from the clamping holes at the same time, that is, the protective shell 31 can be removed.

[0032] Specifically, the adjusting mechanism 4 comprises: a driving rod 41, a rotating plate 42 and a sliding seat 43, both ends of the driving rod 41 are rotatably connected with the inner wall of the sliding groove, and a double-thread is formed on the outer wall of the driving rod 41; a plurality of rotating plates 42 are fixedly connected with both ends of the driving rod 41, a plurality of positioning holes are equidistantly formed on the outer wall of the rotating plate 42, and the plurality of clamping rods 322 are matched with the inner cavities of the positioning holes; a plurality of sliding seats 43 are formed with screw transmission with the driving rod 41, and a plurality of cylinder cutters 2 are fixedly connected with the plurality of sliding seats 43, the driving rod 41 can be rotated through the rotating plate 42, the plurality of sliding seats 43 can be moved close to or away from each other according to the rotating direction of the driving rod 41, so that the cylinder cutters 2 on the sliding seats 43 can simultaneously cut the material handle of the injection molding parts of different specifications, and the processing efficiency is better.

[0033] Further, a plurality of positioning grooves are equidistantly formed on the top end of the base 1, and the plurality of clamping rods 322 are slidably connected with the inner cavities of the positioning grooves, before the cylinder cutter 2 is used, the protective shell 31 on the cylinder cutter 2 needs to be removed, and the protective shell 31 can be horizontally rotated by 90° after the position is adjusted through the driving rod 41, and the plurality of clamping rods 322 can be clamped with the positioning holes formed on the rotating plate 42 under the elastic force of the compression spring 323, and the plurality of clamping rods 322 are slidably connected with the positioning grooves, at this time, the clamping rods 322 can position the rotating plate 42, so that the driving rod 41 will not be slightly rotated due to the vibration of the machine when the cylinder cutter 2 is used, so as to cause the displacement of the cylinder cutter 2 and the poor shearing effect.

[0034] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An injection molding processing shearing device, comprising: a base (1) provided with a plurality of cylinder cutters (2) at the top end; characterized in that: the top end of the base (1) is provided with a sliding groove, the inside of the sliding groove is provided with an adjusting mechanism (4) capable of adjusting the movement of the plurality of cylinder cutters (2), the top end of the cylinder cutter (2) is provided with a protection mechanism (3), the protection mechanism (3) comprises: a protective shell (31), the cylinder cutter (2) is slidably connected with the inner cavity of the protective shell (31), and the cutter part is protected; a clamping assembly (32), a plurality of clamping grooves are equidistantly formed in the bottom end of the protective shell (31), and the clamping assembly (32) is located in the clamping groove.

2. An injection molding process shear device as defined in claim 1, wherein, The clamping assembly (32) comprises: a slide rod (321), both ends of the slide rod (321) are fixedly connected with the inner wall of the clamping groove; a clamping rod (322), the clamping rod (322) is slidably connected with the slide rod (321), a plurality of clamping holes are equidistantly formed in the outer wall of the cylinder cutter (2), the clamping rod (322) is slidably connected with the inner cavity of the clamping hole, and the clamping rod (322) cooperates with the adjusting mechanism (4); a compression spring (323), the compression spring (323) is sleeved on the outside of the slide rod (321).

3. An injection molding process shear device as defined in claim 2, wherein, One end of the compression spring (323) is fixedly connected with the clamping rod (322), the other end of the compression spring (323) is fixedly connected with the inner wall of the clamping groove, and the clamping rod (322) has an L-shaped cross section.

4. An injection molding process shear device as defined in claim 2, wherein The side opposite to the plurality of clamping rods (322) is fixedly connected with a pull rod (5), and the adjacent side of the plurality of pull rods (5) is fixedly connected with a synchronization plate (6).

5. An injection molding process shear device as defined in claim 2, wherein, The adjusting mechanism (4) comprises: a drive rod (41), both ends of the drive rod (41) are rotatably connected with the inner wall of the sliding groove, and the outer wall of the drive rod (41) is provided with a double-thread screw; a rotating plate (42), a plurality of rotating plates (42) are fixedly connected with both ends of the drive rod (41), a plurality of positioning holes are equidistantly formed in the outer wall of the rotating plate (42), and the plurality of clamping rods (322) cooperate with the inner cavities of the positioning holes; a sliding seat (43), a plurality of sliding seats (43) are formed with a lead screw transmission with the drive rod (41), and a plurality of cylinder cutters (2) are fixedly connected with the plurality of sliding seats (43).

6. An injection molding process shear device as defined in claim 2, wherein, The top end of the base (1) is equidistantly provided with a plurality of positioning grooves, and the plurality of clamping rods (322) are slidably connected with the inner cavities of the positioning grooves.

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