Feeding device of plastic vacuum forming machine

Abstract

The utility model relates to the field of plastic vacuum forming machine coiled material feeding, in particular to a plastic vacuum forming machine feeding device which comprises a support, a bearing seat, a synchronous rotating shaft, a hook plate, a buckle, an electric push rod, a roller shaft, a limiting piece, a screw, a rubber bearing and a feeding set. Bearing blocks are rotatably arranged on the two sides of the middle of the support, a synchronous rotating shaft is rotatably arranged between the two sides of the middle in the support, the two ends of the synchronous rotating shaft are connected with the bearing blocks on the two sides, hook plates with the middle portions in a zigzag shape are arranged on the outward sides of the bearing blocks on the two sides, and containing grooves are formed in the front sides in the hook plates. Ring buckles capable of self-locking are hinged to the placing grooves of the hook plates on the two sides. The electric push rod, the buckle, the limiting piece, the rubber bearing and other components work cooperatively, stability and accuracy of plastic sheets in the feeding process are guaranteed, and the operation process is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to a plastic uptake machine coiled material feeding field, especially a plastic uptake machine feeding device. BACKGROUND

[0002] The plastic uptake machine is a kind of equipment specially used for the forming of thermoplastic plastic, mainly used for producing various plastic packaging products, such as food tray, toy packaging, cosmetic box, etc.

[0003] On some small or medium-sized production lines, the common operation for the coiled material feeding step of the plastic uptake machine is generally to place the coiled plastic sheet on the coiled material frame, and then prepare auxiliary tools for unfolding and positioning the sheet, such as guide rail, tension regulator, cutting tool, etc.

[0004] However, the process of placing the coiled plastic sheet on the coiled material frame is usually to lift the coiled plastic sheet by two persons, and the center of the coiled material needs to be aligned with the shaft center of the coiled material frame when placed. However, although this method is simple, it also has some limitations and potential risks. The coiled plastic sheet is usually heavy, and it requires a lot of physical effort to lift it by hand, especially when operating frequently, which can easily cause fatigue. SUMMARY

[0005] The utility model discloses in order to overcome the above-mentioned prior art's shortcomings, the utility model provides a plastic uptake machine feeding device of more relaxed feeding mode.

[0006] In order to solve the above technical problems, the utility model provides a plastic uptake machine feeding device, which comprises a support, a bearing seat, a synchronous shaft, a hook plate, a ring buckle, an electric push rod, a roller shaft, a limiting piece, a screw, a rubber bearing and a feeding group. The front part of the support is inclinedly arranged, at least four limiting grooves are formed in the support, bearing seats are rotatably arranged on both sides of the middle part of the support, a synchronous shaft is rotatably arranged between the two limiting grooves in the middle part of the support, the two ends of the synchronous shaft are connected with the two bearing seats, the outer sides of the two bearing seats are provided with hook plates with a meandering shape in the middle part, placing grooves are formed in the inner front sides of the hook plates, and self-locking ring buckles are hingedly arranged in the placing grooves of the two hook plates. Electric push rods are arranged on both sides of the rear part of the support, the extension rods of the two electric push rods are connected with the rear parts of the hook plates, the roller shafts are placed in two of the limiting grooves on the front side of the upper part of the support, the limiting pieces are slidably arranged on the two sides of the roller shaft, a plurality of screws are threadedly arranged in the limiting pieces, the ends of the screws abut against the outer sides of the roller shafts, rubber bearings are arranged on the outer sides of the roller shafts, and the rear part of the support is provided with a feeding group for conveying the plastic sheet.

[0007] Preferably, the ring buckle forms a ring-shaped limiting space with the placing groove of the hook plate when locked.

[0008] Preferably, the end of the limiting piece is conical and suitable for the profile of the inner shaft of the plastic coiled material.

[0009] Preferably, the feeding group comprises a bearing frame, guide rods, an electric cylinder, a mounting frame, an electric push roller and a driven roller, an arc-shaped bearing frame is arranged at the top rear side of the support, guide rods are slidably arranged at the upper sides of the bearing frame, an electric cylinder is arranged at the central position of the top of the bearing frame, the lower part of the piston rod of the electric cylinder and the lower part of the guide rod penetrate into the interior of the bearing frame, a mounting frame is arranged at the bottom end of the piston rod of the electric cylinder, the bottom sides of the mounting frame are connected with the lower ends of the guide rods, an electric push roller is rotatably arranged in the interior of the mounting frame, and a driven roller is rotatably arranged in the lower part of the bearing frame.

[0010] Preferably, the outer sides of the electric push roller and the driven roller are provided with a plurality of evenly arranged anti-skid soft teeth.

[0011] Preferably, the support is further provided with a hot air blower, and the hot air blower is arranged at the upper rear part of the support and below the bearing frame.

[0012] Preferably, the support is further provided with supporting legs, and the supporting legs are arranged at the corners of the bottom of the support.

[0013] Beneficial effects: 1. The electric push rod, the ring buckle, the limiting piece and the rubber bearing in the utility model work cooperatively, so that the stability and accuracy of the plastic sheet during the feeding process are ensured, and the operation process is simplified.

[0014] 2. The utility model preheats the plastic sheet about to be unfolded through the hot air blower, improves the flexibility of the sheet, makes it easier to be pulled and positioned, and is helpful to the subsequent forming process.

[0015] 3. The utility model is provided with anti-skid soft teeth on the outer sides of the electric push roller and the driven roller, so that the friction between the sheet and the roller can be increased, the sheet can not slip during the conveying process, and stable and uniform feeding speed can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a three-dimensional structure schematic view of the rear side view of the utility model.

[0018] Figure 3 It is a three-dimensional structure schematic view of the support, bearing seat and supporting leg and other components of the utility model.

[0019] Figure 4 It is a three-dimensional structure schematic view of the roller shaft, limiting rod and screw and other components of the utility model.

[0020] Figure 5 It is a three-dimensional structure schematic view of the mounting frame, electric push roller and driven roller and other components of the utility model.

[0021] Figure 6This is a schematic diagram of the three-dimensional structure of the utility model after the electric push rod drives the hook plate to drive the roller to lift.

[0022] Figure 7 This is a schematic diagram of the three-dimensional structure of the utility model after the electric push rod drives the hook plate to be flush with the lower part.

[0023] The marks in the accompanying drawings are: 1-bracket, 2-bearing seat, 21-synchronous rotating shaft, 22-support foot, 3-hook plate, 31-ring buckle, 4-electric push rod, 5-roller, 6-limiting piece, 61-screw, 7-rubber bearing, 8-carrying frame, 9-guide rod, 10-electric cylinder, 11-mounting frame, 111-electric push roller, 12-driven roller, 13-hot air blower. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Embodiment: A feeding device for a blister machine, such as Figures 1-7 As shown, it includes a bracket 1, a bearing seat 2, a synchronous rotating shaft 21, a hook plate 3, a buckle 31, an electric push rod 4, a roller shaft 5, a limiter 6, a screw 61, a rubber bearing 7 and a feeding group. The front part of the bracket 1 is tilted, and at least four limit slots are provided on the bracket 1. Bearing seats 2 are rotatably provided on both sides of the middle part of the bracket 1, and a synchronous rotating shaft 21 is rotatably provided between the two sides of the middle part of the bracket 1. Both ends of the synchronous rotating shaft 21 are connected to the bearing seats 2 on both sides to maintain synchronous movement. A hook plate 3 with a zigzag middle part is provided on the outward side of the bearing seats 2 on both sides, and a placement groove is provided on the front side of the hook plate 3, and the placement grooves of the hook plates 3 on both sides are hinged with self-locking buckles 31. When the buckle 31 is locked, it forms an annular limiting space suitable for the placement groove of the roller shaft 5 with the placement groove of the hook plate 3. The buckle 31 works together with the hook plate 3 to fix the roller Shaft 5, electric push rods 4 are provided on both sides of the rear of the bracket 1, and the electric push rods 4 are used to push the hook plate 3 so that the roller 5 can be placed or taken out smoothly. The telescopic rods of the electric push rods 4 on both sides are connected to the rear of the hook plate 3, and rollers 5 are placed on two of the limit grooves on the upper front side of the bracket 1. The roller 5 is used to carry the coil to facilitate subsequent processing. Limiting members 6 are slidingly provided on both sides of the roller 5. The end of the limiting member 6 is conical and suitable for the inner shaft profile of the plastic coil. The internal thread of the limiting member 6 is penetrated by a number of screws 61 for fixing the position of the limiting member 6 to ensure its stability. The ends of each screw 61 are in contact with the outside of the roller 5, and rubber bearings 7 are provided on both sides of the roller 5 to the outside. The rubber bearings 7 can reduce the friction of the roller 5 and ensure its service life. A feeding group for conveying plastic sheets is provided at the rear of the bracket 1.

[0026] like Figure 1 、 Figure 2 and Figure 5As shown, the feeding group includes a bearing frame 8, a guide rod 9, an electric cylinder 10, a mounting frame 11, an electric push roller 111 and a driven roller 12. The top rear side of the support 1 is provided with an arc-shaped bearing frame 8. The upper sides of the bearing frame 8 are slidably provided with guide rods 9. The guide rods 9 are used to guide the up-down movement of the mounting frame 11. The top center of the bearing frame 8 is provided with an electric cylinder 10. The lower part of the piston rod of the electric cylinder 10 and the lower part of the guide rod 9 are both penetrated into the inside of the bearing frame 8. The electric cylinder 10 provides power to drive the up-down movement of the mounting frame 11. The bottom of the piston rod of the electric cylinder 10 is provided with a mounting frame 11. The bottom sides of the mounting frame 11 are connected with the lower ends of the guide rods 9. The inside of the mounting frame 11 is rotatably provided with an electric push roller 111. The inside of the bearing frame 8 is rotatably provided with a driven roller 12. The driven roller 12 cooperates with the electric push roller 111 to ensure the smooth transmission of the sheet. The outside of the electric push roller 111 and the driven roller 12 is provided with a plurality of evenly arranged anti-slip soft teeth.

[0027] As shown in Figure 1 , Figure 2 and Figure 5 , it also includes a hot air blower 13. The upper rear part of the support 1 is provided with a hot air blower 13. The blowing end of the hot air blower 13 is arranged below the bearing frame 8. The hot air blower 13 is used to assist the preheating treatment of the plastic sheet, laying a foundation for subsequent processing.

[0028] As shown in Figure 1 and Figure 2 , it also includes a support leg 22. Each corner of the bottom of the support 1 is provided with a support leg 22 through screws. The support leg 22 is used to support the support, ensuring the stability of the device, and not directly contacting the ground.

[0029] Firstly, the operator carries the plastic sheet roll to the vicinity of the suction molding machine feeding device, at this time, the device is in the initial state, the electric push rod 4 is retracted, the hook plate 3 is in the lowest position, the ring buckle 31 is in the open state, the limiting piece 6 is not fixed on the roller shaft 5, and the plastic sheet roll is placed on the support 1, at this time, the height of the hook plate 3 is adjusted by using the electric push rod 4, the operator controls the electric push rod 4 to extend, drives the hook plate 3 to move upwards until the placing groove of the hook plate 3 can completely accommodate the inner shaft of the roll, the placing groove of the hook plate 3 is designed to be suitable for the inner diameter of the roll of different sizes, so as to ensure good adaptability, after the roll is placed, the ring buckle 31 is rotated to the closed position to form a ring-shaped limiting space with the placing groove of the hook plate 3, so as to fix the roll and prevent it from rolling in the subsequent operation, then, the limiting piece 6 is placed on both sides of the roller shaft 5 and fixed by rotating the screw 61, the end of the limiting piece 6 is designed in a conical shape, which can better fit the contour of the inner shaft of the plastic roll, so as to ensure that the roll will not be transversely displaced during the unwinding process, in addition, the rubber bearings 7 arranged on the outer two sides of the roller shaft 5 can reduce the friction when the roll rolls on the support 1, so as to ensure that the roll can be smoothly unwound, the hot air blower 13 is started, which is arranged at the upper position in the rear part of the support 1, the air supply end of the hot air blower 13 is arranged below the bearing frame 8, the hot air blower 13 starts to send hot air below the bearing frame 8 to preheat the plastic sheet which is about to be unwound, this process helps to improve the flexibility of the sheet, so that it is easier to be pulled and positioned, the electric cylinder 10 is started, the piston rod thereof extends downwards to drive the mounting frame 11 to descend, the electric push roller 111 rotatably arranged in the inner side of the mounting frame 11 starts to cooperate with the driven roller 12 rotatably arranged at the lower part of the bearing frame 8 to jointly act on the plastic sheet, the outer sides of the electric push roller 111 and the driven roller 12 are provided with a plurality of evenly arranged anti-skid soft teeth, which can increase the friction between the sheet and the rollers, so as to ensure that the sheet will not slip during the conveying process, thereby realizing stable and uniform feeding speed, with the continuous driving of the electric cylinder 10, the electric push roller 111 and the driven roller 12 will continuously push the plastic sheet to move forward to enter the suction molding machine for the next forming process, during this process, the electric push rod 4, the ring buckle 31, the limiting piece 6 and the rubber bearings 7 work cooperatively to ensure the stability and accuracy of the plastic sheet during the feeding process.

[0030] The above-described embodiments only express the preferred embodiments of the present application, which are described in detail, but should not be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications, improvements and substitutions can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A feeding device for a blister machine, characterized in that: The invention comprises a bracket (1), a bearing seat (2), a synchronous rotating shaft (21), a hook plate (3), a buckle (31), an electric push rod (4), a roller (5), a limiter (6), a screw (61), a rubber bearing (7) and a feeding group. The front of the bracket (1) is tilted, and at least four limit slots are provided on the bracket (1). The bearing seats (2) are rotatably provided on both sides of the middle of the bracket (1). A synchronous rotating shaft (21) is rotatably provided between the two sides of the middle of the bracket (1). Both ends of the synchronous rotating shaft (21) are connected to the bearing seats (2) on both sides. The outer side of the bearing seats (2) on both sides is provided with a hook plate (3) with a zigzag shape in the middle, and the inner front side of the hook plate (3) is provided with a placement slot. , and the placement grooves of the hook plates (3) on both sides are hinged with self-locking ring buckles (31), and electric push rods (4) are provided on both sides of the rear of the bracket (1), and the telescopic rods of the electric push rods (4) on both sides are connected to the rear of the hook plates (3), and rollers (5) are placed on two of the limiting grooves on the front side of the upper part of the bracket (1), and limiting members (6) are slidably provided on both sides of the roller (5), and the internal threads of the limiting members (6) are penetrated by a plurality of screws (61), and the ends of the screws (61) are in contact with the outside of the roller (5), and rubber bearings (7) are provided on both sides of the roller (5) facing outward. A feeding group for conveying plastic sheets is provided at the rear of the bracket (1).

2. A feeding device for a blister machine according to claim 1, characterized in that: When the ring buckle (31) is locked, it forms an annular limiting space with the placement groove of the hook plate (3).

3. A feeding device for a blister machine according to claim 2, characterized in that: The end of the limiting member (6) is in a tapered shape suitable for the inner axis profile of the plastic coil.

4. A feeding device for a blister machine according to claim 3, characterized in that: The feeding group comprises: a carrier frame (8), a guide rod (9), an electric cylinder (10), a mounting frame (11), an electric push roller (111) and a driven roller (12); an arched carrier frame (8) is provided at the rear side of the top of the bracket (1); guide rods (9) are slidably provided on both sides of the upper inner portion of the carrier frame (8); an electric cylinder (10) is provided at the center of the top of the carrier frame (8); the lower part of the piston rod of the electric cylinder (10) and the lower part of the guide rod (9) are both passed through the interior of the carrier frame (8); a mounting frame (11) is provided at the bottom end of the piston rod of the electric cylinder (10); the two sides of the bottom of the mounting frame (11) are connected to the lower end of the guide rod (9); an electric push roller (111) is rotatably provided inside the mounting frame (11); and a driven roller (12) is rotatably provided at the lower inner portion of the carrier frame (8).

5. A feeding device for a blister machine according to claim 4, characterized in that: The outer sides of the electric pushing roller (111) and the driven roller (12) are both provided with a plurality of evenly arranged anti-slip soft teeth.

6. A feeding device for a blister machine according to claim 5, characterized in that: It also includes a hot air blower (13), which is arranged at an upper position in the rear portion of the bracket (1), and an air supply end of the hot air blower (13) is arranged below the carrier frame (8).

7. A feeding device for a blister machine according to claim 6, characterized in that: It also includes supporting feet (22), and each corner of the bottom of the bracket (1) is provided with a supporting foot (22).

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