Automatic feeding device of injection molding machine

Abstract

An automatic feeding device of an injection molding machine comprises an injection molding machine feeding groove, the front side of the injection molding machine feeding groove is provided with a bag cutting mechanism, the bag cutting mechanism comprises a first L-shaped plate, the first L-shaped plate is slidably connected with the injection molding machine feeding groove, one end of the first L-shaped plate extends to the inner side of the injection molding machine feeding groove and is fixedly connected with a cutter, and the other end of the first L-shaped plate extends to the inner side of the injection molding machine feeding groove. A material shaking mechanism is installed at the upper end of the injection molding machine feeding groove and comprises two sets of fixing sleeves, and the two sets of fixing sleeves are fixedly connected to the left side and the right side of the upper end of the injection molding machine feeding groove correspondingly. By arranging the bag cutting mechanism, the material shaking mechanism and the bag lifting mechanism, automatic cutting, material shaking and lifting of plastic packaging bags are achieved, the feeding automation of the injection molding machine is improved, the whole feeding process is smoother and more efficient, manual intervention is greatly reduced, a blade is prevented from accidentally injuring workers or falling into a feeding groove of the injection molding machine, and the production efficiency is improved. And the stability and the reliability in the feeding process are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine feeding technical field, concretely relates to an automatic feeding device of injection molding machine. BACKGROUND

[0002] Injection molding machine is the equipment widely used in the plastic processing industry, and is used for injecting thermoplastic or thermosetting plastic into a mold to form a required product. In the production process of the injection molding machine, the feeding link is a crucial step, which directly affects the production efficiency and product quality. Currently, the injection molding raw material is usually plastic particles, and the plastic particles are usually packaged with packaging bags. When feeding, the worker slides the packaging bag out of an opening with a blade, so that the plastic particles flow into the injection molding machine feeding port.

[0003] However, the traditional manual feeding method may cause waste of plastic raw materials and instability of product quality due to operation errors. When the plastic particles flow into the injection molding machine feeding port from the raw material package, part of the raw material in the raw material package may be left, causing waste of raw material. Manual operation has certain safety hazards, and the blade is relatively sharp, which can easily cause harm to the human body. If the blade is not stable enough, it can easily fall into the inside of the feeding groove, causing damage to the injection molding machine. SUMMARY

[0004] To solve the above technical problems, an automatic feeding device for an injection molding machine is provided. The technical solution solves the problem of waste of raw material in the package, which is not convenient for fully pouring out the plastic particles, and the problem of manual operation having certain safety hazards and easily causing harm to the human body.

[0005] To achieve the above purposes, the technical solution adopted by the utility model is as follows:

[0006] An automatic feeding device for an injection molding machine, comprising an injection molding machine feeding groove, a cutting package mechanism is installed on the front side of the injection molding machine feeding groove, the cutting package mechanism comprises a first L-shaped plate, the first L-shaped plate is in sliding connection with the injection molding machine feeding groove, a cutter is fixedly connected to the inside of the injection molding machine feeding groove at one end of the first L-shaped plate, a material shaking mechanism is installed at the upper end of the injection molding machine feeding groove, the material shaking mechanism comprises two groups of fixed sleeves, the two groups of fixed sleeves are fixedly connected to the upper end of the injection molding machine feeding groove on the left and right sides respectively, an active rod is in sliding connection with the inside of the fixed sleeve, a horizontal plate and a top plate are fixedly connected to the middle and top of the active rod respectively, a bag lifting mechanism is installed between the horizontal plate and the top plate, the bag lifting mechanism comprises a second guide rail, two groups of second L-shaped plates are in sliding connection with the inside of the second guide rail, a mechanical claw is fixedly installed at the lower end of each of the two groups of second L-shaped plates.

[0007] Preferably, the cutting mechanism further comprises a first guide rail, a moving block and a first motor, the moving block is slidingly connected to the inner side of the first guide rail, the inner side of the first guide rail is rotatably connected with a translation screw, the translation screw is threadedly connected with the moving block, the moving block is threadedly connected with the other end of the first L-shaped plate, the first motor is fixedly installed on the right side of the first guide rail, and the output end of the first motor extends to the inner side of the first guide rail and is fixedly connected with the translation screw.

[0008] Preferably, the upper end of each of the two groups of fixed sleeves is rotatably connected with a driving ring, the upper end of each of the driving rings is fixedly connected with a first wedge-shaped block, the lower side of each of the left and right ends of the cross plate is fixedly connected with a second wedge-shaped block, the lower end of each of the two groups of driving rings is fixedly connected with a first belt pulley, and the two groups of first belt pulleys are drivingly connected through a belt.

[0009] Preferably, the inner bottom of the fixed sleeve is fixedly connected with a buffer spring.

[0010] Preferably, the shaking mechanism further comprises a second motor, the second motor is fixedly installed on the left upper end of the injection molding machine feeding tank, the output end of the second motor is fixedly connected with a second belt pulley, and the second belt pulley is drivingly connected with the left first belt pulley through a belt.

[0011] Preferably, the bag mechanism further comprises a third motor, a guide rod, a lifting screw, a guide block and a threaded block, the guide rod is fixedly connected between the top plate and the cross plate, the guide block is slidingly connected with the guide rod, the front side of the guide block is fixedly connected with the second guide rail, the lifting screw is rotatably connected between the top plate and the cross plate, the threaded block is rotatably connected with the lifting screw, the front side of the threaded block is fixedly connected with the second guide rail, the third motor is fixedly installed on the upper end of the top plate, and the output end of the third motor extends to the lower end of the top plate and is fixedly connected with the lifting screw.

[0012] Preferably, the inner side of the second guide rail is rotatably connected with a bidirectional screw, the two ends of the bidirectional screw are provided with threads and have opposite rotation directions, the two groups of second L-shaped plates are threadedly connected with the two ends of the bidirectional screw respectively, a fourth motor is fixedly installed on the left side of the second guide rail, and the output end of the fourth motor extends to the inner side of the second guide rail and is threadedly connected with the bidirectional screw.

[0013] Preferably, the upper end of the injection molding machine feeding tank is provided with a feeding opening, and the inner side of the feeding opening is fixedly connected with a blocking grid.

[0014] Compared with the prior art, the utility model have advantages that through be provided cut bag mechanism, shake material mechanism and take bag mechanism, realized to the automatic cutting of plastic packaging bag, shake material and lift, improved the automation of injection molding machine feeding, made whole feeding process more smooth and efficient, greatly reduced the manual intervention, reduced the security risk, prevented the blade from injuring the worker oneself or falling in the injection molding machine feeding groove inside, ensured the stability and reliability in the feeding process, simultaneously, through thereby under the cooperation of driving ring, first wedge and second wedge, realized the up and down reciprocating motion of horizontal plate, movable rod, top plate and take bag mechanism, thereby realized the effect of shake material, it is helpful to the plastic particle from the raw material bag, reduce the residue of plastic particles, avoided the great waste of plastic particles. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model;

[0016] Figure 2 It is injection molding machine feeding groove structure schematic diagram of the utility model;

[0017] Figure 3 It is cut bag mechanism structure schematic diagram of the utility model;

[0018] Figure 4 It is shake material mechanism and take bag mechanism structure schematic diagram of the utility model;

[0019] Figure 5 It is A place enlarged structure schematic diagram of the utility model;

[0020] Figure 6 It is fixed sleeve section structure schematic diagram of the utility model;

[0021] Figure 7 It is second motor, pulley and driving ring structure schematic diagram of the utility model;

[0022] Figure 8 It is take bag mechanism structure schematic diagram of the utility model.

[0023] Reference numerals in the drawing are:

[0024] 1, injection molding machine feeding groove;101, feeding port;103, block grid;

[0025] 2, cut bag mechanism;201, first guide rail;202, translation screw;203, moving block;204, first L-shaped plate;205, cutter;206, first motor;

[0026] 3, the shaking mechanism; 301, the fixed sleeve; 302, the movable rod; 303, the top plate; 304, the cross plate; 305, the second motor; 306, the first pulley; 307, the driving ring; 308, the first wedge; 309, the second wedge; 310, the buffer spring; 311, the second pulley;

[0027] 4, the bag lifting mechanism; 401, the third motor; 402, the guide rod; 403, the lifting screw; 404, the guide block; 405, the threaded block; 406, the second guide rail; 407, the bidirectional screw; 408, the fourth motor; 409, the second L-shaped plate; 410, the mechanical claw. DETAILED DESCRIPTION

[0028] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0029] Embodiment 1

[0030] Please refer to Figures 1-8 The automatic feeding device of injection molding machine shown in the figure, including injection molding machine feeding tank 1, the front side of injection molding machine feeding tank 1 is installed with cutting bag mechanism 2, cutting bag mechanism 2 includes first L-shaped plate 204, first L-shaped plate 204 is slidably connected with injection molding machine feeding tank 1, one end of first L-shaped plate 204 extends to the inner side of injection molding machine feeding tank 1 and is fixedly connected with cutter 205, the upper end of injection molding machine feeding tank 1 is installed with shaking mechanism 3, shaking mechanism 3 includes two groups of fixed sleeve 301, two groups of fixed sleeve 301 are fixedly connected to the upper end of injection molding machine feeding tank 1 left and right sides respectively, the inner side of fixed sleeve 301 is slidably connected with movable rod 302, the middle part of movable rod 302 is fixedly connected with cross plate 304 and top plate 303 respectively, cross plate 304 and top plate 303 are installed with bag lifting mechanism 4, bag lifting mechanism 4 includes second guide rail 406, the inner side of second guide rail 406 is slidably connected with two groups of second L-shaped plate 409, the lower end of two groups of second L-shaped plate 409 is fixedly installed with mechanical claw 410.

[0031] In the scheme, first L-shaped plate 204 can slide in the inner side of injection molding machine feeding tank 1, the raw material bag loaded with plastic particles is conveyed to the upper end of injection molding machine feeding tank 1 by external conveying mechanism, so that cutter 205 is driven by first L-shaped plate 204 to cut the opening of raw material bag, so that plastic particles flow from raw material bag into the inside of injection molding machine feeding tank 1, thereby feeding the injection molding machine;

[0032] Further, the second guide rail 406 can move up and down between the top plate 303 and the horizontal plate 304, and the second L-shaped plate 409 can move towards each other or move away from each other on the inner side of the second guide rail 406, so that the mechanical claw 410 can clamp the raw material bag, and the second L-shaped plate 409 can lift the raw material bag through the second guide rail 406, so that the plastic particles in the raw material bag can flow out sufficiently;

[0033] Further, the movable rod 302 can move up and down on the inner side of the fixed sleeve 301, and drive the top plate 303, the horizontal plate 304 and the second guide rail 406 to realize the shaking effect, so that the raw material bag is shaken, and the plastic particles in the raw material bag are more fully flowed out to the inside of the injection molding machine feeding groove 1, reducing the residue of the plastic particles, and avoiding the waste of the plastic particles.

[0034] Embodiment 2

[0035] Please refer to Figure 3 The cutting mechanism 2 further includes a first guide rail 201, a moving block 203 and a first motor 206. The moving block 203 is slidably connected to the inner side of the first guide rail 201. The first guide rail 201 is rotatably connected to the inside of the first guide rail 201. The translation screw 202 is threadedly connected to the moving block 203. The moving block 203 is threadedly connected to the other end of the first L-shaped plate 204. The first motor 206 is fixedly installed on the right side of the first guide rail 201. The output end of the first motor 206 extends to the inner side of the first guide rail 201 and is fixedly connected to the translation screw 202.

[0036] In this scheme, the first motor 206 is electrically connected to the external power supply. The first motor 206 can drive the translation screw 202 to rotate, so that the moving block 203 drives the first L-shaped plate 204 to move.

[0037] Embodiment 3

[0038] Please refer to Figures 4-7 The upper end of the two groups of fixed sleeves 301 is rotatably connected to the driving ring 307. The upper end of the driving ring 307 is fixedly connected to the two groups of first wedge-shaped blocks 308. The lower side of the left and right ends of the horizontal plate 304 is fixedly connected to the second wedge-shaped block 309. The lower end of the two groups of driving rings 307 is fixedly connected to the first belt pulley 306. The two groups of first belt pulleys 306 are drivingly connected through the belt.

[0039] The inner side of the fixed sleeve 301 is fixedly connected to the buffer spring 310.

[0040] The shaking mechanism 3 further comprises a second motor 305 fixedly installed on the left upper end of the injection molding machine feeding tank 1, and the output end of the second motor 305 is fixedly connected with a second belt pulley 311, which is in transmission connection with the left first belt pulley 306 through a belt.

[0041] In the present scheme, the second motor 305 is electrically connected with an external power supply, and the second motor 305 can drive the left first belt pulley 306 to rotate through the belt and the second belt pulley 311, so as to drive the two groups of first belt pulleys 306 to rotate through another set of belts, and then drive the two groups of driving rings 307 to rotate simultaneously, and drive the first wedge block 308 to rotate, so that the inclined surface of the first wedge block 308 abuts against the inclined surface of the second wedge block 309, thereby driving the horizontal plate 304, the movable rod 302, the top plate 303 and the bag mechanism 4 to move upward. When the first wedge block 308 continues to rotate and no longer abuts against the second wedge block 309, the second wedge block 309 moves downward, so that the horizontal plate 304, the movable rod 302, the top plate 303 and the bag mechanism 4 move downward, and at the same time, the next group of first wedge blocks 308 and second wedge blocks 309 abut against each other, so that the horizontal plate 304, the movable rod 302, the top plate 303 and the bag mechanism 4 move upward again. Thus, under the cooperation of the driving rings 307, the first wedge blocks 308 and the second wedge blocks 309, the horizontal plate 304, the movable rod 302, the top plate 303 and the bag mechanism 4 realize reciprocating movement, thereby realizing the shaking effect.

[0042] Further, through the movable rod 302 and the buffer spring 310, the horizontal plate 304, the movable rod 302, the top plate 303 and the bag mechanism 4 can be buffered when they are being shaken.

[0043] Embodiment 3

[0044] Please refer to Figure 4 and Figure 8 , please refer to the bag mechanism 4 further comprises a third motor 401, a guide rod 402, a lifting screw 403, a guide block 404 and a threaded block 405. The guide rod 402 is fixedly connected between the top plate 303 and the horizontal plate 304, the guide block 404 is in sliding connection with the guide rod 402, the front side of the guide block 404 is fixedly connected with the second guide rail 406, the lifting screw 403 is in rotational connection between the top plate 303 and the horizontal plate 304, the threaded block 405 is in rotational connection with the lifting screw 403, and the front side of the threaded block 405 is fixedly connected with the second guide rail 406. The third motor 401 is fixedly installed on the upper end of the top plate 303, and the output end of the third motor 401 extends to the lower end of the top plate 303 and is fixedly connected with the lifting screw 403.

[0045] The inner side of the second guide rail 406 is rotationally connected with a bidirectional screw rod 407, the two ends of the bidirectional screw rod 407 are provided with threads and are opposite in rotation direction, two groups of second L-shaped plates 409 are respectively threadedly connected to the two ends of the bidirectional screw rod 407, and the left side of the second guide rail 406 is fixedly installed with a fourth motor 408, and the output end of the fourth motor 408 extends to the inner side of the second guide rail 406 and is threadedly connected with the bidirectional screw rod 407.

[0046] In the scheme, the third motor 401 and the fourth motor 408 are electrically connected with an external power supply, the third motor 401 can drive the lifting screw rod 403 to rotate, thereby driving the second guide rail 406 to move up and down through the threaded block 405, and further driving the second L-shaped plate 409 and the mechanical claw 410 to move up and down, so as to conveniently position and clamp the two sides of the raw material bag, and the fourth motor 408 can drive the bidirectional screw rod 407 to rotate, thereby driving the two groups of second L-shaped plates 409 to move relative to each other, so as to clamp raw material bags of different sizes, and the scheme has wide application range and high flexibility.

[0047] The upper end of the injection molding machine feeding groove 1 is provided with a feeding opening 101, the inner side of the feeding opening 101 is fixedly connected with a blocking grid 103, the raw material bag can be supported through the blocking grid 103, and the raw material in the raw material bag can flow into the injection molding machine feeding groove 1 through the gap of the blocking grid 103 and the feeding opening 101.

[0048] The working principle and use process of the utility model are as follows: firstly, when feeding, the first motor 206 is started and drives the translation screw rod 202 to rotate, thereby driving the moving block 203 and the first L-shaped plate 204 to move, so that the cutter 205 moves to cut an opening at the bottom of the raw material bag, so that the plastic particles flow into the inside of the injection molding machine feeding groove 1 from the raw material bag, then, the distance between the two groups of mechanical claws 410 is adjusted according to the size of the raw material bag, the fourth motor 408 is started, the bidirectional screw rod 407 is driven to rotate, thereby driving the two groups of second L-shaped plates 409 to move relative to each other, the third motor 401 is started to drive the lifting screw rod 403 to rotate, thereby driving the second guide rail 406 to move downwards through the threaded block 405, and further driving the second L-shaped plate 409 and the mechanical claw 410 to move downwards, and the two sides of the raw material bag are clamped by the mechanical claw 410, then the second guide rail 406, the second L-shaped plate 409 and the mechanical claw 410 are driven to move upwards, the raw material bag is lifted, the raw material of the raw material bag is fully discharged, at the same time, the second motor 305 is started, the two groups of driving rings 307 are simultaneously driven to rotate, and the first wedge block 308 is driven to rotate, so that the inclined surface of the first wedge block 308 abuts against the inclined surface of the second wedge block 309, the first wedge block 308 repeatedly abuts against the second wedge block 309, thereby realizing the up-down reciprocating movement of the horizontal plate 304, the movable rod 302, the top plate 303 and the lifting bag mechanism 4, realizing the effect of shaking the material, and being beneficial to the discharge of the raw material.

[0049] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic feeding device for an injection molding machine, comprising a feeding chute (1) for the injection molding machine, characterized in that: A bag cutting mechanism (2) is installed on the front side of the injection molding machine feeding chute (1), and the bag cutting mechanism (2) includes a first L-shaped plate (204), the first L-shaped plate (204) is slidably connected to the injection molding machine feeding chute (1), one end of the first L-shaped plate (204) extends to the inner side of the injection molding machine feeding chute (1) and is fixedly connected to a cutter (205), and a material shaking mechanism (3) is installed on the upper end of the injection molding machine feeding chute (1), and the material shaking mechanism (3) includes two groups of fixed sleeves (301), and the two groups of fixed sleeves (301) are respectively fixedly connected to the injection molding machine feeding chute ( 1), the inner side of the fixed sleeve (301) is slidably connected to a movable rod (302), the middle part and the top of the movable rod (302) are respectively fixedly connected to a horizontal plate (304) and a top plate (303), a bag carrying mechanism (4) is installed between the horizontal plate (304) and the top plate (303), and the bag carrying mechanism (4) includes a second guide rail (406), the inner side of the second guide rail (406) is slidably connected to two groups of second L-shaped plates (409), and the lower ends of the two groups of second L-shaped plates (409) are fixedly installed with mechanical claws (410).

2. The automatic feeding device of an injection molding machine according to claim 1, characterized in that: The package cutting mechanism (2) further comprises a first guide rail (201), a moving block (203) and a first motor (206); the moving block (203) is slidably connected to the inner side of the first guide rail (201); a translation screw (202) is rotatably connected inside the first guide rail (201); the translation screw (202) is threadedly connected to the moving block (203); the moving block (203) is threadedly connected to the other end of the first L-shaped plate (204); the first motor (206) is fixedly mounted on the right side of the first guide rail (201); an output end of the first motor (206) extends to the inner side of the first guide rail (201) and is fixedly connected to the translation screw (202).

3. The automatic loading device for an injection molding machine according to claim 1, characterized in that: The upper ends of the two groups of fixed sleeves (301) are rotatably connected to a driving ring (307), the upper ends of the driving ring (307) are fixedly connected to two groups of first wedge blocks (308), the lower sides of the left and right ends of the transverse plate (304) are fixedly connected to second wedge blocks (309), the lower ends of the two groups of driving rings (307) are fixedly connected to a first pulley (306), and the two groups of the first pulleys (306) are connected through a belt transmission.

4. The automatic loading device for an injection molding machine according to claim 1, characterized in that: A buffer spring (310) is fixedly connected to the inner bottom of the fixed sleeve (301).

5. The automatic loading device for an injection molding machine according to claim 3, characterized in that: The material shaking mechanism (3) further comprises a second motor (305), the second motor (305) being fixedly mounted on the upper left end of the injection molding machine feed chute (1), the output end of the second motor (305) being fixedly connected to a second pulley (311), the second pulley (311) being transmission-connected to the first pulley (306) on the left side via a belt.

6. The automatic loading device for an injection molding machine according to claim 1, characterized in that: The bag carrying mechanism (4) further comprises a third motor (401), a guide rod (402), a lifting screw rod (403), a guide block (404) and a threaded block (405); the guide rod (402) is fixedly connected between the top plate (303) and the cross plate (304); the guide block (404) is slidably connected to the guide rod (402); the front side of the guide block (404) is fixedly connected to the second guide rail (406); the lifting screw rod (403) is rotatably connected between the top plate (303) and the cross plate (304); the threaded block (405) is rotatably connected to the lifting screw rod (403); the front side of the threaded block (405) is fixedly connected to the second guide rail (406); the third motor (401) is fixedly mounted on the upper end of the top plate (303); the output end of the third motor (401) extends to the lower end of the top plate (303) and is fixedly connected to the lifting screw rod (403).

7. The automatic loading device for an injection molding machine according to claim 1, characterized in that: The inner side of the second guide rail (406) is rotatably connected to a bidirectional screw (407), and both ends of the bidirectional screw (407) are provided with threads with opposite rotation directions. Two sets of the second L-shaped plates (409) are respectively threadedly connected to the two ends of the bidirectional screw (407). A fourth motor (408) is fixedly installed on the left side of the second guide rail (406), and the output end of the fourth motor (408) extends to the inner side of the second guide rail (406) and is threadedly connected to the bidirectional screw (407).

8. The automatic loading device for an injection molding machine according to claim 1, characterized in that: A feeding port (101) is provided through the upper end of the injection molding machine feeding chute (1), and a blocking grille (103) is fixedly connected to the inner side of the feeding port (101).

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