CN212312557U - Double-drawing mechanism for in-mold labeling - Google Patents

Abstract

The utility model discloses a labeling is with two mechanisms of drawing in mould, bear arm, first drive unit and the second drive unit including base, first bearing arm, second. The first driving unit and the second driving unit are arranged on the base, the first bearing arms are arranged on the first driving unit, the second bearing arms are arranged on the second driving unit, the first bearing arms and the second bearing arms are horizontal, the first bearing arms are spaced up and down, the first driving unit synchronously drives all the first bearing arms, the second bearing arms are located between the two first bearing arms along the up-down direction, the first bearing arms are connected with the first jig, the second bearing arms are connected with the second jig, the first jig and the second jig are aligned with each other along the moving direction and are arranged back to back, the first bearing arms and the second bearing arms are respectively provided with reinforcing structures, and the first bearing arms and the second bearing arms are close to or far away from each other simultaneously. Therefore, the utility model discloses a label is drawn with two and is drawn mechanism in mould has the space and utilize reasonable, the load is big, the vibration is little, intensity is big advantage.

Description

Double-drawing mechanism for in-mold labeling

Technical Field

The utility model relates to a field of moulding plastics especially relates to a label is drawn mechanism with two drawing in mould.

Background

With the development of science and technology and the advancement of humanity, the automation of the in-mold labeling and forming equipment has begun to appear. For some products, the labeling process needs to be done in-mold. When the procedure is completed, the product to be labeled and the label strip are respectively placed on the front die and the rear die by using the corresponding picking and placing mechanisms, and then the product is moved away from the forming die to wait for the forming of the product.

The existing pick-and-place mechanism comprises a first bearing wall for bearing a product and a second bearing arm for bearing a label, and the number of label jigs borne by the second bearing arm is small because the jigs for bearing the label of the second bearing arm are heavy. With the increasing market demand, the traditional one-out-of-four and one-out-of-six dies can not meet the production demand. The market today is increasingly favouring one-eight, one-twelve and even one-sixteen moulds. In order to meet the market demand, the traditional pick and place mechanism can not meet the demand of the existing mold. The traditional pick-and-place mechanism needs to simultaneously bring the first bearing arm and the second bearing arm into the die cavity, so that the transverse volume is large, if the number of jigs on the bearing arms needs to be increased, the bearing strength needs to be structurally enhanced, and the bearing strength exceeds the reserved space of the die cavity.

Therefore, there is a need for a dual-drawing mechanism for in-mold labeling with reasonable space utilization, large load, small vibration and high strength to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a labeling is with two drawing mechanisms in mould that space utilization is reasonable, the load is big, the vibration is little, intensity is big.

In order to achieve the above object, the dual drawing mechanism for in-mold labeling of the present invention comprises a base, a first carrying arm for carrying a product, a second carrying arm for carrying a label fixture, a first driving unit for driving the first carrying arm to move horizontally, and a second driving unit for driving the second carrying arm to move horizontally, wherein the first driving unit and the second driving unit are installed on the sidewall of the base, the first carrying arm is installed on the output end of the first driving unit, the second carrying arm is installed on the output end of the second driving unit, the first carrying arm and the second carrying arm are both horizontally disposed, the first carrying arms are at least two and spaced apart from each other in the vertical direction, the first driving unit synchronously drives all the first carrying arms to move horizontally, and the second carrying arm is located between the first carrying arms in the vertical direction, the first arm that bears is connected with the first tool that is used for absorbing the product, the second bears the arm and is connected with the second tool that is used for absorbing the label, first tool with the second tool along first arm/second that bears the moving direction of arm aligns each other and sets up back to back, first bear the arm and the second bears the arm and respectively has additional strengthening, first bear the arm with the second bear the arm and do the horizontal migration that is close to each other or keeps away from each other simultaneously.

Preferably, a vertical connecting rod is connected between the end parts of the two first bearing arms.

Preferably, each of the first carrying arms has at least two first jigs, the first jigs are spaced apart along the length direction of the first carrying arm, and the first jigs on the two first carrying arms are aligned along the vertical direction.

Preferably, the first bearing arm is connected with one end of the first driving unit and is provided with a first mounting plate, the second bearing arm is connected with one end of the second driving unit and is provided with a second mounting plate, the first mounting plate is vertically connected with the first bearing arm, the second mounting plate is vertically connected with the second bearing arm, the side wall of the base is provided with a substrate, the first driving unit and the second driving unit are mounted on the substrate, the first mounting plate is mounted on the output end of the first driving unit, and the second mounting plate is mounted on the output end of the second driving unit.

Preferably, the reinforcing structure of the first carrying arm comprises a horizontal reinforcing plate and a vertical reinforcing plate which are vertically connected with each other, the side wall of the horizontal reinforcing plate is connected with the first mounting plate, and the bottom wall of the horizontal reinforcing plate is connected with the first carrying arm; the lateral wall of vertical reinforcing plate with first mounting panel is connected, another lateral wall of vertical reinforcing plate with first bear the arm and be connected.

Preferably, a first slide block is arranged on one surface of the first mounting plate facing the first driving unit, and the substrate is provided with a first slide rail connected with the first slide block in a sliding manner; the one side of second mounting panel towards second drive unit is equipped with the second slider, the base plate be equipped with second slider sliding connection's second slide rail.

Preferably, the reinforcing structure is arranged between the second mounting plate and the second bearing arm, the reinforcing structure comprises two reinforcing plates which are spaced from each other in the vertical direction, the two reinforcing plates are horizontally arranged, and a plurality of upright columns which are vertically arranged are arranged between the two reinforcing plates.

Preferably, the second bearing arm comprises a bearing arm body and strip-shaped plates perpendicular to the bearing arm body, the middle of each strip-shaped plate is a drop foot, the strip-shaped plates are multiple and spaced along the length direction of the bearing arm body, and the upper end and the lower end of each strip-shaped plate are connected with the second jig.

Preferably, the first driving unit includes a first motor, a first driving wheel, a first driven wheel, a reversing wheel and a conveyor belt, the first motor is connected to the first driving wheel, the conveyor belt is wound around the first driving wheel, the first driven wheel and the reversing wheel and forms a U-shaped structure, the conveyor belt of the U-shaped structure includes an upper conveying portion and a lower conveying portion, the conveying directions of the upper conveying portion and the lower conveying portion are the same, and the first bearing arm is respectively mounted on the upper conveying portion and the lower conveying portion.

Preferably, the second driving unit includes a second motor, a second driving wheel, a second driven wheel and a transmission belt, the second motor is connected to the second driving wheel, the second driving wheel and the second driven wheel are spaced apart from each other along the left-right direction, the transmission belt is wound around the second driving wheel and the second driven wheel and forms a straight structure, the transmission belt, the upper conveying portion and the lower conveying portion are arranged in parallel, and the transmission belt is located between the upper conveying portion and the lower conveying portion.

Compared with the prior art, the utility model discloses an in-mould labeling is with two drawing mechanisms of pulling out installs the first tool of clamping product on bearing the arm with the help of first, the second bears the second tool of installing the absorption label on the arm, first drive unit drive first bears the arm and second drive unit drive second bears the arm and makes first bear the arm and bear the arm with the second and do the horizontal migration that is close to each other or keeps away from each other, when first bear the arm and bear the arm with the second and keep away from each other, then work of getting work piece and absorption label is accomplished respectively to first tool and second tool, then do the preparation of a compression cubical space for being about to get into the die cavity when first bear the arm and bear the arm to be close to each other with the second. The second bearing arm is positioned between the two first bearing arms along the vertical direction, and when the first bearing arm and the second bearing arm are close to each other, the first bearing arm and the second bearing arm can avoid each other, so that the space is reduced; the first bearing arm and the second bearing arm are respectively provided with a reinforcing structure, so that the shaking generated in the moving process of the first bearing arm and the second bearing arm is reduced, in addition, the quantity of the first jig and the second jig can be increased by means of the improvement of the strength, and the situation of a large number of die cavities is met. Therefore, the utility model discloses a label is drawn with two and is drawn mechanism in mould has the space and utilize reasonable, the load is big, the vibration is little, intensity is big advantage.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the dual-pulling mechanism for in-mold labeling of the present invention.

Fig. 2 is a schematic perspective view of another view angle of the dual drawing mechanism for in-mold labeling of the present invention.

Fig. 3 is a schematic view of the assembled three-dimensional structure of the first carrying arm and the first fixture of the dual-pulling mechanism for in-mold labeling of the present invention.

Fig. 4 is a schematic perspective view of the assembled second carrying arm and second fixture of the dual-pulling mechanism for in-mold labeling of the present invention.

Fig. 5 is a schematic perspective view of the second bearing arm of the dual-pulling mechanism for in-mold labeling of the present invention and another view angle of the assembled second fixture.

Fig. 6 is a schematic perspective view of the base, the first driving unit and the second driving unit of the dual-pulling mechanism for in-mold labeling according to the present invention.

Fig. 7 is a front view of the base, the first driving unit and the second driving unit of the dual drawing mechanism for in-mold labeling of the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

The utility model discloses a labeling is with two drawing mechanisms 100 that pull out in mould is applicable to and moves the occasion of going into the mould intracavity with both products and labels together. The utility model discloses an in-mould labeling draws with two and pulls out mechanism 100 locates on a slide mechanism (not shown in the figure), and this slide mechanism drives the utility model discloses an in-mould labeling draws with two and pulls out mechanism 100 and slides in or the roll-off die cavity.

Referring to fig. 1 to 2, the dual drawing mechanism 100 for in-mold labeling of the present invention includes a base 1, a first bearing arm 2 for bearing a product, a second bearing arm 3 for bearing a label fixture, a first driving unit 4 for driving the first bearing arm 2 to move horizontally, and a second driving unit 5 for driving the second bearing arm 3 to move horizontally. The first driving unit 4 and the second driving unit 5 are installed on the side wall of the base 1, the first bearing arm 2 is installed on the output end of the first driving unit 4, and the second bearing arm 3 is installed on the output end of the second driving unit 5. The first bearing arms 2 and the second bearing arms 3 are horizontally arranged, the two first bearing arms 2 are spaced from each other in the vertical direction, and the first driving unit 4 synchronously drives all the first bearing arms 2 to horizontally move, so that the driving units are saved, and the cost is reduced. The second bearing arm 3 is positioned between the two first bearing arms 2 along the up-down direction, so that the space between the two first bearing arms 2 is reasonably utilized. It can be understood that, when there are three first carrying arms 2, there are two second carrying arms 3 located between the two first carrying arms 2, so the disclosure is not limited thereto. The first arm 2 that bears is connected with the first tool 6 that is used for absorbing the product, and the second bears and is connected with the second tool 7 that is used for absorbing the label on the arm 3, and first tool 6 and second tool 7 bear the moving direction of arm 3 along the first arm 2/second that bears and align each other and set up back to back, conveniently get into on the position of one-to-one behind the die cavity to make things convenient for the interior label work of mould. The first carrying arm 2 and the second carrying arm 3 are respectively driven by the first driving unit 4 and the second driving unit 5 to simultaneously move horizontally toward or away from each other. It should be noted that when the first carrying arm 2 and the second carrying arm 3 move horizontally away from each other, the first fixture 6 clamps or adsorbs the product, and the second fixture 7 adsorbs the label; when the first carrier arm 2 and the second carrier arm 3 are moved horizontally closer to each other, they are prepared for spatial compression in preparation for entering or exiting the mold cavity. When the first arm 2 and the second arm 3 that bear is close to the back each other, the utility model discloses an in-mould labeling gets into the die cavity or withdraws from the die cavity with two drawing mechanisms 100 under slide mechanism's drive. It should be noted that the bottom of the base 1 is provided with a guiding slide 11 for better sliding on the sliding mechanism. First arm 2 and the second of bearing bear arm 3 and respectively have additional strengthening, with the help of this additional strengthening to make first arm 2 and the second of bearing bear arm 3's structure firmer, reduce the shake, thereby reduce positioning error, in addition, with the help of this additional strengthening, thereby make first arm 2 and the second of bearing bear arm 3 and can do the extension and handle, thereby increase the quantity of the first tool 6 and the second tool 7 that can bear, thereby satisfy the occasion demand of multimode chamber. More specifically, the following:

referring to fig. 1 and fig. 2, one end of the first carrying arm 2 connected to the first driving unit 4 has a first mounting plate 21, and the first mounting plate 21 is vertically connected to the first carrying arm 2. The end of the second carrying arm 3 connected to the second driving unit 5 has a second mounting plate 31, and the second mounting plate 31 is vertically connected to the second carrying arm 3. The base 1 has a substrate 12 on a sidewall thereof, and the first driving unit 4 and the second driving unit 5 are mounted on the substrate 12. With the base plate 12, the base plate 12 can be detachably connected, which is beneficial to the maintenance and replacement of the first drive unit 4 or the second drive unit 5. The first mounting plate 21 is mounted on the output of the first drive unit 4 and the second mounting plate 31 is mounted on the output of the second drive unit 5. The first mounting plate 21 and the second mounting plate 31 are used to facilitate the stable connection of the first carrier arm 2 and the second carrier arm 3 to the output terminals of the first driving unit 4 and the second driving unit 5.

Referring to fig. 3, a vertical connecting rod 8 is connected between the ends of the two first carrying arms 2, and the horizontal movement of the two first carrying arms 2 is more synchronous by the connecting rod 8; meanwhile, the shaking of the two first bearing arms 2 during movement is reduced, and in addition, the loads of the two first bearing arms 2 are shared. Specifically, each first bearing arm 2 is provided with two first jigs 6, the first jigs 6 are spaced apart along the length direction of the first bearing arm 2, and the first jigs 6 on the two first bearing arms 2 are aligned along the vertical direction. Of course, in other embodiments, the number of the first jigs 6 on the first carrying arm 2 may be three, four, or five, and the invention is not limited thereto.

With reference to fig. 3, the reinforcing structure of the first carrying arm 2 includes a horizontal reinforcing plate 22 and a vertical reinforcing plate 23 that are vertically connected to each other, a side wall of the horizontal reinforcing plate 22 is connected to the first mounting plate 21, and a bottom wall of the horizontal reinforcing plate 22 is connected to the first carrying arm 2; a side wall of the vertical reinforcing plate 23 is connected to the first mounting plate 21 and the other side wall of the vertical reinforcing plate 23 is connected to the first carrier arm 2. The stability of the connection between the top/bottom of the first carrier arm 2 and the first mounting plate 21 is enhanced by means of the horizontal reinforcement plate 22; the vertical reinforcing plate 23 can reinforce the connection stability between the side wall of the first carrier arm 2 and the first mounting plate 21, and the horizontal reinforcing plate 22 is connected to the vertical reinforcing plate 23 in a perpendicular intersecting manner, so that the reinforcing structure is more stable. Preferably, in this embodiment, a first slide block 24 is disposed on a surface of the first mounting plate 21 facing the first driving unit 4, and the base plate 12 is provided with a first slide rail 13 slidably connected to the first slide block 24. By means of the sliding fit between the first slider 24 and the first slide rail 13, when the first driving unit 4 drives the first carrying arm 2 to move horizontally, a guiding function is provided for the horizontal movement of the first carrying arm 2, and in addition, the load of the first carrying arm 2 is also shared.

Referring to fig. 4 and 5, a reinforcing structure is disposed between the second mounting plate 31 and the second carrying arm 3, the reinforcing structure includes two reinforcing plates 32 spaced apart from each other in the vertical direction, the two reinforcing plates 32 are further disposed horizontally, and a plurality of upright posts 33 are disposed vertically between the two reinforcing plates 32. In particular, the reinforcing plate 32 is connected between the second mounting plate 31 and the side of the second carrying arm 3. The two reinforcing plates 32 spaced up and down are made more stable by the columns 33, which act as mutual support. For example, the stiffener 32 is a triangle; of course, in other embodiments, the stiffener 32 may be a right-angle fan-shaped plate, and is not limited thereto. Preferably, a second slider 34 is disposed on a surface of the second mounting plate 31 facing the second driving unit 5, and the base plate 12 is provided with a second slide rail 14 slidably connected to the second slider 34. By means of the sliding fit between the second slider 34 and the second slide rail 14, when the second driving unit 5 drives the second carrying arm 3 to move horizontally, a guiding function is provided for the horizontal movement of the second carrying arm 3, and in addition, the load of the second carrying arm 3 is also shared.

Referring to fig. 4 and 5, the second carrying arm 3 includes a carrying arm body 3a and a plurality of strip-shaped plates 3b perpendicular to the carrying arm body 3a, the middle portion of the strip-shaped plates 3b is substantially vertical, the strip-shaped plates 3b are spaced apart along the length direction of the carrying arm body 3a, and the upper and lower ends of each strip-shaped plate 3b are connected to the second fixture 7. It can be understood that the number of the second jigs 7 is the same as the number of the first jigs 6. The second jig 7 is also aligned with the first jig 6 in the left-right direction.

Referring to fig. 6 and 7, the first driving unit 4 includes a first motor 41 penetrating the base 1, a first driving wheel 42, three first driven wheels 43, two reversing wheels 44, and a conveyor belt 45, the first motor 41 is connected to the first driving wheel 42, the first driving wheel 42 and the first driven wheels 43 are arranged to form four points of a rectangle, the two reversing wheels 44 are spaced apart in the up-down direction and are located on the left inner side or the right inner side of the rectangle, the conveyor belt 45 is wound around the first driving wheel 42, the first driven wheels 43, and the reversing wheels 44 and forms a U-shaped structure, the conveyor belt 45 of the U-shaped structure includes an upper conveying portion 45a and a lower conveying portion 45b having the same conveying direction, and the first bearing arm 2 is respectively mounted on the upper conveying portion 45a and the lower conveying portion 45 b. When the first driving unit 4 works, the first motor 41 drives the first main wheel to rotate, and the first main wheel drives all the first driven wheels 43 and the reversing wheels 44 to rotate, so that the conveyor belt 45 makes a rotary motion, specifically, the upper conveying portion 45a and the lower conveying portion 45b make a rotary motion in a horizontal direction synchronously, and the first bearing arm 2 is driven to move back and forth in a left-right horizontal reverse direction. It can be understood that the direction of the first motor 41 is reversed to realize the horizontal movement of the upper and lower conveying parts 45a and 45 b. More specifically, the first mounting plate 21 has thereon a first clamp block 25 that clamps the upper conveying portion 45a or the lower conveying portion 45b to effect connection of the first mounting plate 21 to the first driving unit 4.

Referring to fig. 6 and 7, the second driving unit 5 includes a second motor 51 penetrating the substrate 12 of the base 1, a second driving wheel 52, a second driven wheel 53 and a transmission belt 54, the second motor 51 is connected to the second driving wheel 52, the second driving wheel 52 and the second driven wheel 53 are spaced apart from each other along the left-right direction, and the transmission belt 54 is wound around the second driving wheel 52 and the second driven wheel 53 and forms a zigzag structure. When the second driving unit 5 is operated, the second motor 51 drives the second driving wheel 52 to rotate, and the second driving wheel 52 drives the second driven wheel 53 to rotate, so as to drive the conveying belt 54 to make a horizontal rotation movement. The conveyor belt 54, the upper conveying portion 45a and the lower conveying portion 45b are arranged in parallel, and the conveyor belt 54 is positioned between the upper conveying portion 45a and the lower conveying portion 45b, so that the space of the substrate 12 is perfectly utilized, and the first driving unit 4 and the second driving unit 5 are compactly mounted on the substrate 12. It can be understood that the conveying direction of the conveying belt 54 is always opposite to the conveying direction of the upper conveying part 45 a/the lower conveying part 45b, so that the first carrying arm 2 and the second carrying arm 3 can be horizontally moved to be close to or away from each other. Specifically, the second mounting plate 31 has thereon a second clamp block 35 that clamps the conveyor belt 54.

Compared with the prior art, the utility model discloses an in-mould labeling is with two drawing mechanism 100 installs the first tool 6 of clamping product with the help of first bearing arm 2 on, the second bears the second tool 7 of installing the adsorption label on the arm 3, first drive unit 4 drive first bearing arm 2 and second drive unit 5 drive second bear arm 3 and make first bearing arm 2 bear arm 3 and second bear arm 3 and do the horizontal migration that is close to each other or keeps away from each other, when first bearing arm 2 and second bear arm 3 when keeping away from each other, then work of getting work piece and adsorption label is accomplished respectively to first tool 6 and second tool 7, when first bearing arm 2 and second bear arm 3 and be close to each other then do the preparation of a compression cubical space for being about to get into the die cavity. The second bearing arm 3 is positioned between the two first bearing arms 2 along the vertical direction, and when the first bearing arms 2 and the second bearing arms 3 are close to each other, the first bearing arms 2 and the second bearing arms 3 can avoid each other, so that the space is reduced; by means of the first bearing arm 2 and the second bearing arm 3 respectively having a reinforcing structure, the shaking generated in the moving process of the first bearing arm 2 and the second bearing arm 3 is reduced, in addition, the quantity of the first fixture 6 and the second fixture 7 can be increased by means of the improvement of the strength, and the situation of large number of die cavities is met. Therefore, the dual-pulling mechanism 100 for in-mold labeling of the present invention has the advantages of reasonable space utilization, large load, small vibration and large strength.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims (10)

1. A double-pull mechanism for in-mold labeling is characterized by comprising a base, a first bearing arm for bearing a product, a second bearing arm for bearing a label jig, a first driving unit for driving the first bearing arm to horizontally move and a second driving unit for driving the second bearing arm to horizontally move, wherein the first driving unit and the second driving unit are arranged on the side wall of the base, the first bearing arm is arranged on the output end of the first driving unit, the second bearing arm is arranged on the output end of the second driving unit, the first bearing arm and the second bearing arm are horizontally arranged, the first bearing arms are at least two and are spaced in the vertical direction, the first driving unit synchronously drives all the first bearing arms to horizontally move, and the second bearing arm is positioned between the two first bearing arms in the vertical direction, the first arm that bears is connected with the first tool that is used for absorbing the product, the second bears the arm and is connected with the second tool that is used for absorbing the label, first tool with the second tool along first arm/second that bears the moving direction of arm aligns each other and sets up back to back, first bear the arm and the second bears the arm and respectively has additional strengthening, first bear the arm with the second bear the arm and do the horizontal migration that is close to each other or keeps away from each other simultaneously.

2. The dual puller mechanism for in-mold labeling of claim 1, wherein a vertical link is connected between the ends of the first carrying arms.

3. The dual pulling mechanism for in-mold labeling according to claim 1, wherein each of the first carrying arms has at least two first jigs, the first jigs are spaced apart along a length direction of the first carrying arm, and the first jigs of the two first carrying arms are aligned along a vertical direction.

4. The dual pull-out mechanism for in-mold labeling according to claim 1, wherein the first bearing arm has a first mounting plate at an end thereof connected to the first driving unit, the second bearing arm has a second mounting plate at an end thereof connected to the second driving unit, the first mounting plate is vertically connected to the first bearing arm, the second mounting plate is vertically connected to the second bearing arm, a base plate is disposed on a sidewall of the base, the first driving unit and the second driving unit are mounted on the base plate, the first mounting plate is mounted on an output end of the first driving unit, and the second mounting plate is mounted on an output end of the second driving unit.

5. The dual pulling mechanism for in-mold labeling according to claim 4, wherein the reinforcing structure of the first carrying arm comprises a horizontal reinforcing plate and a vertical reinforcing plate which are vertically connected to each other, the side wall of the horizontal reinforcing plate is connected to the first mounting plate, and the bottom wall of the horizontal reinforcing plate is connected to the first carrying arm; the lateral wall of vertical reinforcing plate with first mounting panel is connected, another lateral wall of vertical reinforcing plate with first bear the arm and be connected.

6. The dual drawing mechanism for in-mold labeling according to claim 4, wherein a first slide block is disposed on a surface of the first mounting plate facing the first driving unit, and the base plate is provided with a first slide rail slidably connected to the first slide block; the one side of second mounting panel towards second drive unit is equipped with the second slider, the base plate be equipped with second slider sliding connection's second slide rail.

7. The dual pulling mechanism for in-mold labeling according to claim 4, wherein the reinforcing structure is disposed between the second mounting plate and the second carrying arm, the reinforcing structure comprises two reinforcing plates spaced apart from each other in the vertical direction, the two reinforcing plates are further disposed horizontally, and a plurality of vertical pillars are disposed between the two reinforcing plates.

8. The dual drawing mechanism for in-mold labeling according to claim 1, wherein the second carrying arm comprises a carrying arm body and a plurality of strip-shaped plates perpendicular to the carrying arm body, the middle part of the strip-shaped plates is a drop foot, the strip-shaped plates are spaced apart along the length direction of the carrying arm body, and the upper and lower ends of each strip-shaped plate are connected with the second fixture.

9. The dual drawing mechanism for in-mold labeling according to claim 1, wherein the first driving unit comprises a first motor, a first driving wheel, three first driven wheels, two reversing wheels and a conveyor belt, the first motor is connected to the first driving wheel, the first driving wheel and the first driven wheels are arranged into four points of a rectangle, the two reversing wheels are spaced apart in an up-down direction and are located on the left inner side or the right inner side of the rectangle, the conveyor belt is wound around the first driving wheel, the first driven wheels and the reversing wheels and forms a U-shaped structure, the conveyor belt of the U-shaped structure comprises an upper conveying part and a lower conveying part which have the same conveying direction, and the first bearing arm is respectively mounted on the upper conveying part and the lower conveying part.

10. The dual pull mechanism for in-mold labeling according to claim 9, wherein the second driving unit comprises a second motor, a second driving wheel, a second driven wheel and a transmission belt, the second motor is connected to the second driving wheel, the second driving wheel and the second driven wheel are spaced apart from each other in the left-right direction, the transmission belt is wound around the second driving wheel and the second driven wheel and forms a straight structure, the transmission belt, the upper conveying portion and the lower conveying portion are arranged in parallel, and the transmission belt is located between the upper conveying portion and the lower conveying portion.

Images