Handheld injection molding machine

Abstract

The utility model relates to the technical field of injection molding mechanisms, in particular to a handheld injection molding machine which is additionally provided with an adjustable supporting and moving mechanism for handheld injection molding, so that the injection molding is more stable. Comprising a small injection molding mechanism, an injection molding head and a grip, the output end of the front side of the small injection molding mechanism is communicated with the input end of the injection molding head, the rear side of the bottom end of the small injection molding mechanism is connected with the top end of the grip, and three sets of connecting frames are evenly connected to the front portion of the outer end of the small injection molding mechanism; the outer side of each connecting frame is connected with the middle of the outer end of a sliding sleeve, the inner wall of each sliding sleeve is slidably connected with the outer wall of a sliding strip, a jacking mechanism is arranged on the outer side of each sliding sleeve, the rear ends of the three sliding strips are connected with the three corner sides of the front end of a connecting ring, and the front end of each sliding strip is rotationally connected with the middle of the outer end of a wheel box through a steering constraint shaft. Rollers are rotationally connected to the inner sides of the wheel boxes.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding mechanisms, in particular to a handheld injection molding machine. Background Art

[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it ejected and fill the mold cavity.

[0003] In order to meet the injection molding of some small objects, handheld injection molding machines came into being. The existing handheld portable injection molding machine with Chinese patent publication number CN207240667U has a simple and novel structure, simple operation, and easy disassembly and assembly. By providing an adjustable angle injection molding end, the injection molding angle can be manually adjusted, and a handle and a body shell are provided. It can be used through a handheld injection molding machine to meet the use requirements of different environments. A heat insulation protective layer is provided at the connection between the body shell and the injection molding tube, which can effectively reduce the heat transfer in the injection molding tube to the surface of the body shell, and can also keep the liquid raw material in the injection molding tube warm. It is relatively convenient to use, and a feed port with a screen is provided to filter the injected liquid raw material to prevent larger particles from penetrating into the injection molding tube and causing inconvenience in the injection molding work. At the same time, the structure is relatively simple, the production cost is low, it is easy to carry and transport, and it is suitable for large-scale production use.

[0004] However, since the device only relies on hand-held position control, its stability is poor. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies of the prior art, the utility model provides a handheld injection molding machine which is provided with an adjustable support and movement mechanism for handheld injection molding, so that the injection molding is more stable.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld injection molding machine, comprising a small injection molding mechanism, an injection molding head and a handle, the front output end of the small injection molding mechanism is connected to the input end of the injection molding head, the rear side of the bottom end of the small injection molding mechanism is connected to the top end of the handle, and also comprises a connecting frame, a sliding sleeve, a slide bar, a connecting ring, a steering constraint shaft, a wheel box and a roller, the front part of the outer end of the small injection molding mechanism is evenly connected with three groups of connecting frames, the outer side of each group of connecting frames is respectively connected to the middle part of the outer end of a group of sliding sleeves, the inner wall of each group of sliding sleeves is respectively slidably connected to the outer wall of a group of sliding bars, a tightening mechanism is arranged on the outer side of the sliding sleeve, the rear ends of the three groups of sliding bars are connected to the three corner sides of the front end of the connecting ring, the front end of each group of sliding bars is respectively rotatably connected to the middle part of the outer end of a group of wheel boxes via the steering constraint shaft, and the inner side of the wheel box is rotatably connected with a roller.

[0009] Preferably, the tightening mechanism includes a tightening nut sleeve, a tightening screw and a tightening handle, a middle portion of the outer side of a set of sliding sleeves is connected to the inner side of the tightening nut sleeve, the inner wall of the tightening nut sleeve is threadedly connected to the outer wall of the tightening screw, and the outer side of the tightening screw is connected to the inner side of the tightening handle.

[0010] Preferably, it further comprises a grip cover, and one side of the outer end of the connecting ring is connected to the inner side of the grip cover.

[0011] Preferably, it also includes a battery and a charging port, wherein the battery is connected to the rear side of the small injection molding mechanism, and the charging port is provided at the input end of the battery, and the output end of the battery is connected to the input end of the small injection molding mechanism.

[0012] Preferably, it also includes a connecting piece and a dust plug, wherein one side of the charging port at the outer end of the battery is connected to the inner side of the connecting piece, and the inner end of the connecting piece is connected to the outer end of the dust plug.

[0013] Preferably, an information plate is further included, and the middle right side portion of the small injection molding mechanism is connected to the inner side of the information plate.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a handheld injection molding machine, which has the following beneficial effects:

[0016] When in use, hold the handle and then operate the connecting ring according to the actual injection situation to make the three groups of slide bars slide synchronously on the inside of the sliding sleeve and tighten and fix accordingly. Then the three groups of rollers contact the active surface. While the small injection molding mechanism is operating the injection molding, it is supported by the slide bars, sliding sleeve and connecting frame, and rolled by the three groups of rollers under the constraint of the wheel box. It is steered by the steering constraint shaft to realize on-demand movement. An adjustable support and moving mechanism is added to the handheld injection molding to make the injection molding more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 Left view of

[0019] Figure 3 For this utility model Figure 1 Bottom view of

[0020] Figure 4 For this utility model Figure 1 Front view of.

[0021] Markings in the attached figure: 1. small injection molding mechanism; 2. injection molding head; 3. handle; 4. connecting frame; 5. sliding sleeve; 6. sliding bar; 7. connecting ring; 8. steering restraint shaft; 9. wheel box; 10. roller; 11. tightening nut sleeve; 12. tightening screw; 13. tightening wrench; 14. handle cover; 15. battery; 16. charging port; 17. connecting plate; 18. dust plug; 19. information plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-Figure 4A handheld injection molding machine includes a small injection molding mechanism 1, an injection molding head 2 and a handle 3. The front output end of the small injection molding mechanism 1 is connected to the input end of the injection molding head 2, and the rear side of the bottom end of the small injection molding mechanism 1 is connected to the top of the handle 3. It also includes a connecting frame 4, a sliding sleeve 5, a slide bar 6, a connecting ring 7, a steering constraint shaft 8, a wheel box 9 and a roller 10. The front part of the outer end of the small injection molding mechanism 1 is evenly connected with three groups of connecting frames 4, and the outer side of each group of connecting frames 4 is respectively connected to the middle part of the outer end of a group of sliding sleeves 5, and the inner wall of each group of sliding sleeves 5 is respectively slidably connected to the outer wall of a group of sliding bars 6. A tightening mechanism is arranged on the outer side of the sliding sleeve 5. The rear of the three groups of sliding bars 6 The ends are connected to the three corner sides of the front end of the connecting ring 7, and the front end of each group of slides 6 is rotationally connected to the middle part of the outer end of a group of wheel boxes 9 through the steering constraint shaft 8, and the inner side of the wheel box 9 is rotationally connected with a roller 10; when in use, the handle 3 is held, and then the connecting ring 7 is operated according to the actual injection molding situation, so that the three groups of slides 6 slide synchronously on the inner side of the sliding sleeve 5 and are tightened and fixed accordingly, and then the three groups of rollers 10 contact the active surface, and while the small injection molding mechanism 1 is operating the injection molding, it is supported by the slides 6, the sliding sleeve 5 and the connecting frame 4, and rolled by the three groups of rollers 10 under the constraint of the wheel box 9, and the steering is constrained by the steering constraint shaft 8 to achieve on-demand movement.

[0025] The tightening mechanism includes a tightening nut 11, a tightening screw 12 and a tightening hand 13. The middle part of the outer side of a group of the sliding sleeve 5 is connected with the inner side of the tightening nut 11, the inner wall of the tightening nut 11 is threadedly connected with the outer wall of the tightening screw 12, and the outer side of the tightening screw 12 is connected with the inner side of the tightening hand 13; by screwing the tightening hand 13, the tightening screw 12 can be rotated, and the tightening screw 12 can act inward on the outer side of the sliding bar 6 to tighten it by threading with the tightening nut 11, so that the sliding bar 6 is fixed relative to the sliding sleeve 5, thereby improving stability.

[0026] It also includes a grip cover 14, and one side of the outer end of the connecting ring 7 is connected to the inner side of the grip cover 14; the grip cover 14 is convenient for contact and gripping with the hand, and the connecting ring 7 is easy to adjust and improve convenience.

[0027] It also includes a battery 15 and a charging port 16, wherein the battery 15 is connected to the rear side of the small injection molding mechanism 1, and the charging port 16 is provided at the input end of the battery 15, and the output end of the battery 15 is connected to the input end of the small injection molding mechanism 1; the center of gravity of the small injection molding mechanism 1 can be balanced when the handle 3 is held by the battery 15 to avoid deviation, and the charging port 16 can charge the battery 15, and the battery 15 can provide power for the operation of the small injection molding mechanism 1.

[0028] It also includes a connecting piece 17 and a dust plug 18. One side of the charging port 16 at the outer end of the battery 15 is connected to the inner side of the connecting piece 17, and the inner end of the connecting piece 17 is connected to the outer end of the dust plug 18. The dust plug 18 can be connected to prevent loss through the connecting piece 17, and the dust plug 18 can be inserted into the charging port 16 for protection, thereby improving reliability.

[0029] It also includes an information board 19, and the middle part of the right side of the small injection molding mechanism 1 is connected to the inner side of the information board 19; the device information can be displayed through the information board 19, which is convenient for reading and auxiliary use, thereby improving convenience.

[0030] In summary, when a handheld injection molding machine is used, the battery 15 is charged through the charging port 16, and the battery 15 stores electricity. Then, the dust plug 18 is inserted into the charging port 16 for protection under the connection of the connecting piece 17. When in use, the handle 3 is held, and then the connecting ring 7 is operated by holding the handle sleeve 14 according to the actual injection molding situation, so that the three groups of slide bars 6 slide synchronously on the inner side of the sliding sleeve 5, and the tightening screw 12 can be rotated by twisting the tightening hand 13, and the tightening screw 12 is connected with the handle 3 to operate the connecting ring 7. The tightening screw sleeve 11 is threadedly fitted and can act inward on the outer side of the slide bar 6 to tighten it, so that the slide bar 6 is fixed relative to the sleeve 5. Then, three groups of rollers 10 contact the active surface. While the small injection molding mechanism 1 is operating the injection molding, it is supported by the slide bar 6, the sleeve 5 and the connecting frame 4, and rolled by the three groups of rollers 10 under the constraint of the wheel box 9, and is constrained by the steering constraint shaft 8 to achieve on-demand movement. In addition, the device information can be displayed through the information board 19, which is convenient for reading and auxiliary use, thereby improving convenience.

[0031] The small injection molding mechanism 1 and the storage battery 15 are well-known devices purchased directly from the market by technicians in this field. We only use them here without making any structural or functional improvements to them, so we will not go into details here.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A handheld injection molding machine, comprising a small injection molding mechanism (1), an injection molding head (2) and a handle (3), wherein the front output end of the small injection molding mechanism (1) is connected to the input end of the injection molding head (2), and the rear side of the bottom end of the small injection molding mechanism (1) is connected to the top end of the handle (3), characterized in that: The small injection molding mechanism (1) also comprises a connecting frame (4), a sliding sleeve (5), a sliding bar (6), a connecting ring (7), a steering constraint shaft (8), a wheel box (9) and a roller (10). The front part of the outer end of the small injection molding mechanism (1) is evenly connected with three groups of connecting frames (4). The outer side of each group of connecting frames (4) is respectively connected to the middle part of the outer end of a group of sliding sleeves (5). The inner wall of each group of sliding sleeves (5) is respectively slidably connected to the outer wall of a group of sliding bars (6). A tightening mechanism is arranged on the outer side of the sliding sleeve (5). The rear ends of the three groups of sliding bars (6) are connected to the three corner sides of the front end of the connecting ring (7). The front end of each group of sliding bars (6) is respectively rotatably connected to the middle part of the outer end of a group of wheel boxes (9) via the steering constraint shaft (8). The inner side of the wheel box (9) is rotatably connected with the roller (10).

2. The handheld injection molding machine according to claim 1, characterized in that: The tightening mechanism comprises a tightening screw sleeve (11), a tightening screw rod (12) and a tightening hand (13); a middle portion of the outer side of a set of the sliding sleeves (5) is connected to the inner side of the tightening screw sleeve (11); the inner wall of the tightening screw sleeve (11) is screwed to the outer wall of the tightening screw rod (12); and the outer side of the tightening screw rod (12) is connected to the inner side of the tightening hand (13).

3. The handheld injection molding machine according to claim 1, characterized in that: It also comprises a grip sleeve (14), and one side of the outer end of the connecting ring (7) is connected to the inner side of the grip sleeve (14).

4. The handheld injection molding machine according to claim 1, characterized in that: It also includes a storage battery (15) and a charging port (16), wherein the storage battery (15) is connected to the rear side of the small injection molding mechanism (1), and the charging port (16) is provided at the input end of the storage battery (15), and the output end of the storage battery (15) is connected to the input end of the small injection molding mechanism (1).

5. The handheld injection molding machine according to claim 4, characterized in that: It also includes a connecting piece (17) and a dust plug (18), wherein one side of the charging port (16) at the outer end of the storage battery (15) is connected to the inner side of the connecting piece (17), and the inner end of the connecting piece (17) is connected to the outer end of the dust plug (18).

6. The handheld injection molding machine according to claim 1, characterized in that: It also includes an information plate (19), and the middle part of the right side of the small injection molding mechanism (1) is connected to the inner side of the information plate (19).

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