CN213166727U

CN213166727U - Safety protection device of injection molding machine

Info

Publication number: CN213166727U
Application number: CN202021685444.0U
Authority: CN
Inventors: 张永辉; 李中胜; 黄涛; 董玉国
Original assignee: Tianjin Liangshanbo Technology Development Co ltd
Current assignee: Tianjin Liangshanbo Technology Development Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-11
Anticipated expiration: 2030-08-13

Abstract

The utility model provides an injection molding machine safety device belongs to injection molding machine accessory technical field. Including the installation component, wherein the workstation in the installation component is fixed in the install bin, and the stand is fixed in the workstation, and the sliding seat slides in the stand. The connecting block among the drive assembly is fixed in the sliding seat, and the rack is fixed in the connecting block through locking bolt, and gear drive is in the rack, and the gear is fixed in first pivot, and first belt pulley is fixed in first pivot, and second belt pulley drive is in first belt pulley, and the second belt pulley is fixed in the second pivot. A second rotating shaft in the lifting assembly rotates on the supporting frame, a first bevel gear is fixedly arranged on the second rotating shaft, a second bevel gear is transmitted to the first bevel gear and fixed on the screw rod, a transmission nut is connected to the screw rod in a transmission mode and fixed on the lifting block, and a protection plate is fixed on the lifting block. Realize the automatic rising of protection shield, work efficiency is high, utilizes the sliding seat of injection molding machine to reciprocate and provides power, need not the extra energy.

Description

Safety protection device of injection molding machine

Technical Field

The utility model relates to an injection molding machine accessory technical field particularly, relates to an injection molding machine safety device.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

In order to avoid the damage to workers by working parts of the injection molding machine during working, the vertical injection molding machine is generally provided with the protective cover, but the protective cover needs to be manually opened or closed, so that the working efficiency is reduced, the workers often do not close the protective cover in order to accelerate the working efficiency, the protective cover is arranged, and safety accidents are easy to happen.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides an injection molding machine safety device aims at improving the safety cover on the present vertical injection molding machine and needs artifical manual opening or close, has reduced work efficiency, and often the workman does not close the safety cover in order to accelerate work efficiency, leads to the safety cover to become to put, takes place the problem of incident easily.

The utility model discloses a realize like this: the utility model provides an injection molding machine safety device, including installation component, drive assembly and lifting unit, wherein, drive assembly and lifting unit install on the installation component, and drive assembly improves power for lifting unit, and lifting unit realizes rising and the reduction of protection shield.

The mounting assembly comprises a mounting box, a workbench, a stand column and a sliding seat, the workbench is fixedly mounted on the mounting box, the stand column is fixedly mounted on the workbench, and the sliding seat is slidably mounted on the stand column.

The driving assembly comprises a connecting block, a rack, a locking bolt, a gear, a first rotating shaft, a first belt pulley, a second belt pulley and a second rotating shaft, the connecting block is fixedly installed on the sliding seat, a through hole is formed in the rack, the locking bolt penetrates through the through hole, the rack passes through the locking bolt, the locking bolt is fixedly installed on the connecting block, the gear is driven by the rack, the gear is fixedly installed on the first rotating shaft, the first rotating shaft is rotatably installed on the installation box, the first belt pulley is fixedly installed on the first rotating shaft, the second belt pulley is in transmission connection with the first belt pulley, the second belt pulley is fixedly installed on the second rotating shaft, and the second rotating shaft is rotatably installed on the installation box.

The lifting assembly comprises a support frame, a first bevel gear, a second bevel gear, a screw rod, a transmission nut, a lifting block and a protection plate, wherein the second rotating shaft is rotatably installed on the support frame, the first bevel gear is fixedly installed on the second rotating shaft, the second bevel gear is in transmission connection with the first bevel gear, the second bevel gear is fixedly installed on the screw rod, one end of the screw rod is rotatably connected with the support frame, the other end of the screw rod is rotatably connected with the workbench, the transmission nut is in transmission connection with the screw rod, the transmission nut is fixedly installed on the lifting block, and the protection plate is fixedly installed on the lifting block.

The utility model discloses an in an embodiment, still include balanced adjusting part, balanced adjusting part is including installation piece, accommodate the lead screw and base, installation piece fixed mounting in the install bin, accommodate the lead screw fixed mounting in the installation piece, the base transmission connect in accommodate the lead screw.

The utility model discloses an in an embodiment, accommodate the lead screw is kept away from the one end tip fixed mounting of installation piece has the stopper.

The utility model discloses an in the embodiment, the balance adjustment subassembly is provided with four groups, four groups the balance adjustment subassembly is divided and is established the four corners position of install bin.

The utility model discloses an in the embodiment, the workstation with be fixed with the guide bar between the support frame, sliding connection has the sliding block on the guide bar, sliding block fixed mounting in the protection shield.

The utility model discloses an in the embodiment, the guide bar with the sliding block all is provided with two, two the guide bar with the sliding block is established separately the both sides of protection shield.

In an embodiment of the present invention, a protection box is fixed to the outer side of the installation box, and the gear, the first belt pulley and the second belt pulley are all disposed in the protection box.

In an embodiment of the present invention, a hand wheel is fixed to one end of the second rotating shaft, and the hand wheel is disposed outside the protection box.

In an embodiment of the present invention, a crank is fixed to the hand wheel.

The utility model discloses an in the embodiment, the via hole is provided with a plurality of, a plurality of the equidistant distribution of via hole is in on the rack.

The utility model has the advantages that: the utility model discloses an injection molding machine safety device that obtains through the above-mentioned design, when using, drive the rack downstream through the sliding seat, and then rack drive gear rotates, and then the gear drives the first belt pulley rotation through the first pivot, the first belt pulley drives the second belt pulley rotation through the conveyer belt, and then the second belt pulley drives the second pivot rotation, the second pivot drives the first bevel gear rotation, the first bevel gear drives the second bevel gear rotation, and then drives the lead screw rotation, and then the lead screw drives the elevator to move up along the lead screw, and then the elevator drives the protection shield and moves up, and then the protection shield moves up to the top of workstation, the protection shield realizes the isolation of workstation and external world, avoid staff and workstation contact, improve the security, and realize the lift of protection shield automatically, need not manual operation, high work efficiency, the sliding seat of the injection molding machine is moved up and down to provide power, and extra energy consumption is not needed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first perspective view of the overall structure provided by the embodiment of the present invention;

fig. 2 is a schematic perspective view of the overall structure provided by the embodiment of the present invention;

fig. 3 is a schematic structural view of a driving assembly and a lifting assembly provided in an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention;

fig. 5 is a schematic view of an internal structure of a protection box according to an embodiment of the present invention;

fig. 6 is an exploded view of a rack and a connecting block according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a balance adjustment assembly according to an embodiment of the present invention.

In the figure: 100-mounting the assembly; 110-an installation box; 111-protective box; 120-a workbench; 130-a column; 140-a slide mount; 200-a drive assembly; 210-connecting block; 220-a rack; 221-a via hole; 230-a locking bolt; 240-gear; 250-a first rotating shaft; 260-a first pulley; 270-a second pulley; 280-a second rotating shaft; 281-handwheel; 282-a crank; 300-a lifting assembly; 310-a support frame; 320-a first bevel gear; 330-second bevel gear; 340-a screw rod; 350-a drive nut; 360-lifting block; 370-a protective plate; 380-a guide rod; 381-sliding blocks; 400-a balance adjustment assembly; 410-a mounting block; 420-adjusting the screw rod; 421-a limiting block; 430-base.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a technical solution: a safety protection device of an injection molding machine comprises a mounting assembly 100, a driving assembly 200 and a lifting assembly 300, wherein the driving assembly 200 and the lifting assembly 300 are mounted on the mounting assembly 100, the driving assembly 200 provides power for the lifting assembly 300, and the lifting assembly 300 achieves lifting and lowering of a protection plate 370.

Referring to fig. 2, the mounting assembly 100 includes a mounting box 110, a workbench 120, a vertical column 130 and a sliding seat 140, the workbench 120 is fixedly mounted at the top end of the mounting box 110 by bolts, the vertical column 130 is fixedly mounted at the rear side of the workbench 120 by bolts, the sliding seat 140 is slidably mounted on the vertical column 130, the sliding seat 140 is a main component of the operation of the injection molding machine, and mainly drives a movable mold of the injection mold to move up and down to realize mold opening and mold closing of the injection mold, and the sliding seat 140 belongs to the prior art, and those skilled in the art will instruct the structure and the operation principle in detail, and will not be described in detail herein.

Referring to fig. 3, 5 and 6, the driving assembly 200 includes a connecting block 210, a rack 220, a locking bolt 230, a gear 240, a first rotating shaft 250, a first belt pulley 260, a second belt pulley 270 and a second rotating shaft 280, the connecting block 210 is fixedly mounted at the rear side of the sliding seat 140 through a bolt, the connecting block 210 penetrates through the column 130, a plurality of through holes 221 are formed in the rack 220, the plurality of through holes 221 are equidistantly distributed on the rack 220 to adjust the height between the rack 220 and the connecting block 210, thereby adjusting the moving stroke of the rack 220 and further adjusting the lifting range of the protection plate 370, the locking bolt 230 penetrates through the rack 220 through the through holes 221, the rack 220 is fixedly mounted at one end of the connecting block 210 away from the sliding seat 140 through the locking bolt 230, the gear 240 is engaged with and driven by the rack 220, the gear 240 is fixedly mounted in the middle of the first rotating shaft 250 through a key, one end of the first rotating shaft 250 is rotatably mounted on the rear wall of the mounting box 110 through a bearing, the first belt pulley 260 is fixedly mounted at the outer end of the first rotating shaft 250 through a key, the second belt pulley 270 is connected to the first belt pulley 260 through a transmission belt, the second belt pulley 270 is fixedly mounted at the end of the second rotating shaft 280 through a key, and the second rotating shaft 280 is rotatably mounted on the mounting box 110.

Referring to fig. 1 and 3, a protection box 111 is fixed to the outer side of the installation box 110 by welding, and the gear 240, the first pulley 260 and the second pulley 270 are all arranged in the protection box 111, so that the gear 240, the first pulley 260 and the second pulley 270 are isolated and protected. A hand wheel 281 is fixed to one end of the second rotating shaft 280, the hand wheel 281 is arranged on the outer side of the protective box 111, a crank 282 is fixed on the hand wheel 281, a hand can conveniently drive the hand wheel 281 to rotate through the crank 282, the hand wheel 281 drives the second rotating shaft 280 to rotate, lifting of the protective plate 370 is manually adjusted, and mobility and flexibility of the device are improved.

Referring to fig. 3 and 4, the lifting assembly 300 includes a support frame 310, a first bevel gear 320, a second bevel gear 330, a screw 340, a transmission nut 350, a lifting block 360 and a protection plate 370, the second rotating shaft 280 is rotatably mounted on the support frame 310 through a bearing, the first bevel gear 320 is fixedly mounted on the second rotating shaft 280, the second bevel gear 330 is in meshing transmission connection with the first bevel gear 320, the second bevel gear 330 is fixedly mounted on the lower end portion of the screw 340, the lower side of the screw 340 is rotatably connected with the support frame 310, the upper end is rotatably connected with the worktable 120, the transmission nut 350 is in threaded transmission connection with the screw 340, the transmission nut 350 is embedded in the lifting block 360, the protection plate 370 is fixedly mounted on the lifting block 360 through welding, and the protection plate.

Referring to fig. 3, a guide rod 380 is fixed between the worktable 120 and the supporting frame 310, a sliding block 381 is slidably connected to the guide rod 380, the sliding block 381 is fixedly installed on the protection plate 370, so that the protection plate 370 moves along the guide rod 380 in the lifting process to perform guiding and limiting functions, two guide rods 380 and two sliding blocks 381 are respectively arranged on two sides of the protection plate 370, and the stability of the protection plate 370 in lifting is improved.

Please refer to fig. 2 and fig. 7, in an embodiment of the present invention, the present invention further includes a balance adjusting assembly 400, the balance adjusting assembly 400 includes an installation block 410, an adjusting screw rod 420 and a base 430, the installation block 410 is installed at the bottom end of the installation box 110 by welding and fixing, the adjusting screw rod 420 is fixedly installed below the installation block 410, the base 430 is connected to the adjusting screw rod 420 by screw transmission, one end of the adjusting screw rod 420 far away from the installation block 410 is fixedly installed with a limit block 421, the base 430 is prevented from sliding on the adjusting screw rod 420, and the functions of limiting and protecting are performed. The balance degree of the whole device installed on the ground is adjusted. The balance adjusting assemblies 400 are provided with four groups, and the four groups of balance adjusting assemblies 400 are respectively arranged at four corners of the installation box 110, so that the stability and firmness of the device after installation are improved.

The utility model discloses an in the embodiment, it is concrete, this injection molding machine safety device's theory of operation: when the sliding seat 140 of the injection molding machine drives the injection mold to move downwards for injection molding, the sliding seat 140 drives the rack 220 to move downwards through the connecting block 210, so that the rack 220 drives the gear 240 to rotate, the gear 240 drives the first belt pulley 260 to rotate through the first rotating shaft 250, the first belt pulley 260 drives the second belt pulley 270 to rotate through the conveying belt, and the second belt pulley 270 drives the second rotating shaft 280 to rotate;

the second shaft 280 drives the first bevel gear 320 to rotate, the first bevel gear 320 drives the second bevel gear 330 to rotate, the second bevel gear 330 drives the screw rod 340 to rotate, the screw rod 340 drives the lifting block 360 to move upwards along the screw rod 340, the lifting block 360 drives the protection plate 370 to move upwards, the protection plate 370 moves upwards above the workbench 120, the protection plate 370 is isolated from the outside, contact between a worker and the workbench 120 is avoided, safety is improved, and on the contrary, when the sliding seat 140 moves upwards, the protection plate 370 moves downwards until the protection plate 370 is lower than the workbench 120, so that the worker can take and place products from the workbench 120 conveniently.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety protection device of an injection molding machine is characterized by comprising

The mounting assembly (100) comprises a mounting box (110), a workbench (120), a stand column (130) and a sliding seat (140), wherein the workbench (120) is fixedly mounted on the mounting box (110), the stand column (130) is fixedly mounted on the workbench (120), and the sliding seat (140) is slidably mounted on the stand column (130);

a driving assembly (200), the driving assembly (200) includes a connecting block (210), a rack (220), a locking bolt (230), a gear (240), a first rotating shaft (250), a first belt pulley (260), a second belt pulley (270) and a second rotating shaft (280), the connecting block (210) is fixedly mounted on the sliding seat (140), a via hole (221) is formed in the rack (220), the locking bolt (230) penetrates through the rack (220) through the via hole (221), the rack (220) is fixedly mounted on the connecting block (210) through the locking bolt (230), the gear (240) is transmitted to the rack (220), the gear (240) is fixedly mounted on the first rotating shaft (250), the first rotating shaft (250) is rotatably mounted on the mounting box (110), the first belt pulley (260) is fixedly mounted on the first rotating shaft (250), the second belt pulley (270) is in transmission connection with the first belt pulley (260), the second belt pulley (270) is fixedly installed on the second rotating shaft (280), and the second rotating shaft (280) is rotatably installed on the installation box (110);

the lifting assembly (300) comprises a supporting frame (310), a first bevel gear (320), a second bevel gear (330), a screw rod (340), a transmission nut (350), a lifting block (360) and a protection plate (370), the second rotating shaft (280) is rotatably arranged on the supporting frame (310), the first bevel gear (320) is fixedly arranged on the second rotating shaft (280), the second bevel gear (330) is in transmission connection with the first bevel gear (320), the second bevel gear (330) is fixedly arranged on the screw rod (340), one end of the screw rod (340) is rotatably connected with the support frame (310), the other end of the screw rod (340) is rotatably connected with the workbench (120), the transmission nut (350) is in transmission connection with the lead screw (340), the transmission nut (350) is fixedly installed on the lifting block (360), and the protection plate (370) is fixedly installed on the lifting block (360).

2. An injection molding machine safety shield apparatus according to claim 1, further comprising a balance adjustment assembly (400), wherein the balance adjustment assembly (400) comprises a mounting block (410), an adjustment screw (420) and a base (430), the mounting block (410) is fixedly mounted to the mounting box (110), the adjustment screw (420) is fixedly mounted to the mounting block (410), and the base (430) is drivingly connected to the adjustment screw (420).

3. The safety protection device of the injection molding machine according to claim 2, wherein a limit block (421) is fixedly installed at one end of the adjusting screw rod (420) far away from the installation block (410).

4. The safety protection device of an injection molding machine according to claim 2, wherein four groups of the balance adjusting assemblies (400) are arranged, and the four groups of the balance adjusting assemblies (400) are respectively arranged at four corners of the installation box (110).

5. An injection molding machine safety protection device according to claim 1, characterized in that a guide rod (380) is fixed between the worktable (120) and the supporting frame (310), a sliding block (381) is connected on the guide rod (380) in a sliding manner, and the sliding block (381) is fixedly installed on the protection plate (370).

6. An injection molding machine safety shield apparatus as claimed in claim 5, wherein there are two guide rods (380) and two sliding blocks (381), and two guide rods (380) and two sliding blocks (381) are disposed on both sides of the protection plate (370).

7. An injection molding machine safety shield apparatus according to claim 1, wherein a protective box (111) is fixed to an outer side of the mounting box (110), and the gear (240), the first pulley (260) and the second pulley (270) are all disposed in the protective box (111).

8. The safety protection device of the injection molding machine according to claim 7, characterized in that a hand wheel (281) is fixed at one end of the second rotating shaft (280), and the hand wheel (281) is arranged outside the protection box (111).

9. An injection molding machine safety shield apparatus as claimed in claim 8, wherein a crank (282) is fixed to said hand wheel (281).

10. An injection molding machine safety shield apparatus as claimed in claim 1, wherein said plurality of through holes (221) are provided, and a plurality of said through holes (221) are equidistantly distributed on said rack (220).