Bag opening mechanism of long and short bag universal packaging machine

Abstract

The utility model provides a long and short bag universal packaging machine bag opening mechanism which comprises a vertical support vertically arranged on a packaging machine body, a sliding rail arranged on the vertical support, a bag opening assembly vertically arranged on the sliding rail in a sliding mode, a material poking assembly arranged above the bag opening assembly in a lifting mode, and an adjusting assembly used for adjusting the stroke of the bag opening assembly. The material poking assembly is arranged on the sliding rail in a liftable mode, the bag opening assembly comprises a supporting frame vertically arranged on the sliding rail in a sliding mode, a bag opening unit arranged on the supporting frame in a swinging mode and a material groove formed in the upper portion of the bag opening unit, and the material poking assembly penetrates through the material groove in a separable mode. According to the bag opening mechanism of the packaging machine universal for the long bags and the short bags, the motor of the adjusting assembly drives the lead screw to rotate, then the bag opening clamps of the bag opening assembly open the bags in advance or in a delayed mode, the bag opening mechanism is universal for the long bags and the short bags, the bag opening mechanism can adapt to packaging bags of different lengths without replacing the bag opening clamps, and the universality of the bag opening mechanism is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing machinery technical field, concretely relates to a long short bag general packaging machine bag opening mechanism. BACKGROUND

[0002] In the packaging industry, the packaging bag as the most commonly used packing supplies, its automation processing has been the key link of promoting production efficiency. In the traditional packaging process, often through manual bag opening operation, in order to solve this problem, gradually appears some automatic bag opening mechanism in the market, through bag opening operation to long bag or short bag etc. specific size packaging bag by bag opening clamp.

[0003] However, the existing bag opening mechanism is only suitable for the bag opening operation of specific size packaging bag, if different size packaging bag needs to be opened, bag opening clamp needs to be replaced, leading to the inconvenience of the use of bag opening mechanism, and the existing bag opening mechanism is not suitable for the bag opening operation of long and short bags, and the present scheme solves the technical problem. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a long short bag general packaging machine bag opening mechanism, the motor of adjusting assembly drives the rotation of the lead screw, the lead screw drives the bearing roller on the support table to move up and down through the nut, so that the driving arm contacts the bearing roller at different times, and then the bag opening clamp of the bag opening assembly opens the bag in advance or delays, the bag opening mechanism is universal for long and short bags, and can adapt to packaging bags of different lengths without replacing the bag opening clamp, and the bag opening mechanism is more universal for long and short bags.

[0005] In order to achieve the above object, the utility model takes the technical scheme that a long short bag general packaging machine bag opening mechanism, including vertical setting on the packaging machine body on the vertical support, setting on the slide rail of the vertical support, still including the bag opening assembly of vertical sliding setting on the slide rail, the liftable setting of the bag opening assembly above position the material pushing assembly, for adjusting the adjusting assembly travel of the bag opening assembly, the liftable setting of the material pushing assembly on the slide rail, the bag opening assembly includes vertical sliding setting on the slide rail on the support frame, the bag opening unit of swing setting on the support frame, the chute of setting above the bag opening unit, the material pushing assembly can be separated through the chute setting, the adjusting assembly and the bag opening unit can be separated from the contact.

[0006] The bag opening unit includes rotating setting respectively on both sides of the support frame on the shaft, one end and the shaft side fixed connection of the bag opening clamp, the driving arm fixedly connected with one end of the shaft, the limiting block connected with the other end of the shaft, the limiting block and the support frame can be separated from the abutment, and the adjusting assembly and the driving arm can be separated from the abutment.

[0007] The adjusting assembly comprises a sliding block I connected with the sliding rail, a support table arranged on the sliding block I, bearing rollers arranged on both sides of the support table, a nut for driving the support table to lift, a lead screw vertically penetrating the nut, a motor connected with the lead screw, the motor being arranged on the vertical support, the nut being connected with the support table, and the two bearing rollers being respectively and separably contacted with the driving arms.

[0008] The poking assembly comprises a linear bearing arranged on the support frame, a connecting rod slidingly penetrating the linear bearing, and a poking block connected with one end of the connecting rod, the sliding rail being provided with a sliding block II, the sliding block II being provided with a fixed plate, and the other end of the connecting rod being connected with the fixed plate.

[0009] The support frame is provided with a bearing frame, the discharge opening of the chute is fixedly arranged on the bearing frame, the rotating shaft is rotatably arranged on the bearing frame, and the limiting block is separably abutted with the bottom side of the bearing frame.

[0010] The bag opening and stretching clamp extends a support plate, the bearing frame is provided with a support seat, and a return spring for resetting the bag opening and stretching clamp is arranged between the support plate and the support seat.

[0011] The support frame is vertically provided with a rack, and the packaging machine body is provided with a gear for driving the support plate to lift.

[0012] Compared with the prior art, the packaging machine has the beneficial effects that:

[0013] (1) The motor of the adjusting assembly drives the lead screw to rotate, the lead screw drives the bearing rollers on the support table to move up and down through the nut, the driving arms contact the bearing rollers for different time, the bag opening and stretching clamp of the bag opening assembly is advanced or delayed to open the bag, the bag opening mechanism is universal for long and short bags, and the bag opening mechanism is more universal for long and short bags without replacing the bag opening and stretching clamp.

[0014] (2) The connecting rod is slidingly arranged on the support frame through the linear bearing, one end of the connecting rod is slidingly arranged on the sliding rail through the fixed plate and the sliding block II in sequence, different lengths of packaging bags are adapted, the up and down movement of the poking block is more stable and reliable, and the poking effect is better.

[0015] (3) The bag opening assembly, the poking assembly and the adjusting assembly are slidingly arranged on the sliding rail, the bag opening mechanism is more integral, more stable and reliable, and installation, disassembly and maintenance are more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2It is structural schematic diagram of adjusting assembly of the utility model.

[0018] Figure 3 It is structural schematic diagram of bag opening assembly of the utility model.

[0019] Figure 4 It is structural exploded schematic diagram of bag opening assembly of the utility model.

[0020] Figure 5 It is structural exploded schematic diagram of bag opening unit of the utility model.

[0021] Figure 6 It is structural schematic diagram of material poking assembly of the utility model.

[0022] In the figure, 1, vertical support, 2, slide rail, 21, sliding block two, 22, fixed plate, 3, bag opening assembly, 31, support frame, 32, bag opening unit, 321, rotating shaft, 322, bag opening clamp, 3221, support plate, 323, driving arm, 324, limit block, 33, material chute, 34, bearing frame, 341, support seat, 35, rack, 4, material poking assembly, 41, linear bearing, 42, connecting rod, 43, material poking block, 5, adjusting assembly, 51, sliding block one, 52, support table, 53, bearing roller, 54, nut, 55, lead screw, 56, motor, 6, return spring. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the technical features of the scheme, the following through specific implementation, the scheme is described.

[0024] Referring to Figures 1-6 A bag opening mechanism of long and short bag universal packaging machine, including vertical setting on the packaging machine body vertical support 1, setting on vertical support 1 slide rail 2, still including vertical sliding setting on slide rail 2 bag opening assembly 3, the liftable setting on the position above bag opening assembly 3 material poking assembly 4, for adjusting the stroke of bag opening assembly 3 adjusting assembly 5, material poking assembly 4 liftable setting on slide rail 2, bag opening assembly 3 includes vertical sliding setting on slide rail 2 support frame 31, swing setting on support frame 31 bag opening unit 32, setting on the material chute 33 above bag opening unit 32, material poking assembly 4 can be separated through material chute 33 setting, adjusting assembly 5 and bag opening unit 32 separable contact.

[0025] Bag opening unit 32 includes rotating setting on both sides of support frame 31 rotating shaft 321, one end and rotating shaft 321 side fixed connection bag opening clamp 322, with rotating shaft 321 one end fixed connection driving arm 323, with rotating shaft 321 the other end connection limit block 324, limit block 324 and support frame 31 separable abutment, adjusting assembly 5 and driving arm 323 separable abutment.

[0026] The adjusting assembly 5 comprises a sliding block one 51 connected with the sliding rail 2, a support table 52 arranged on the sliding block one 51, bearing rollers 53 arranged on both sides of the support table 52, a nut 54 for driving the support table 52 to ascend and descend, a lead screw 55 vertically penetrating in the nut 54, a motor 56 connected with the lead screw 55, the motor 56 is arranged on the vertical support 1, the nut 54 is connected with the support table 52, and the two bearing rollers 53 are respectively and detachably contacted with the driving arms 323.

[0027] The poking assembly 4 comprises a linear bearing 41 arranged on the support frame 31, a connecting rod 42 slidingly penetrating in the linear bearing 41, and a poking block 43 connected with one end of the connecting rod 42, the sliding rail 2 is provided with a sliding block two 21, the sliding block two 21 is provided with a fixed plate 22, and the other end of the connecting rod 42 is connected with the fixed plate 22.

[0028] The support frame 31 is provided with a bearing frame 34, the discharging opening of the chute 33 is fixedly arranged on the bearing frame 34, the rotating shaft 321 is rotationally arranged on the bearing frame 34, and the limiting block 324 is detachably abutted with the bottom side of the bearing frame 34.

[0029] The bag opening clamp 322 extends out of the support plate 3221, the bearing frame 34 is provided with a support seat 341, and the support plate 3221 and the support seat 341 are provided with a return spring 6 for resetting the bag opening clamp 322.

[0030] The support frame 31 is vertically provided with a rack 35, and the packaging machine body is provided with a gear for driving the support plate 3221 to ascend and descend.

[0031] The specific working process of the utility model is as follows:

[0032] The motor 56 drives the lead screw 55 to rotate, the lead screw 55 drives the sliding block one 51 of the support table 52 to slide up and down along the sliding rail 2 to a set position, then the gear on the packaging machine body drives the rack 35 to drive the support frame 31 to move downwards along the sliding rail 2, until the driving arms 323 of the bag opening unit 32 are contacted with the bearing rollers 53 on the support table 52, the two driving arms 323 drive the rotating shaft 321 to rotate, the rotating shaft 321 drives the bag opening clamp 322 to expand, and the packaging bag is gradually opened, when the rotating shaft 321 rotates to abut against the bottom of the bearing frame 34, the two bag opening clamps 322 stop expanding, the packaging bag is completely opened, then the connecting rod 42 on the fixed plate 22 is driven by the sliding block two 21 to slide, after the connecting rod 42 penetrates through the linear bearing 41, the material in the chute 33 is poked into the packaging bag through the poking block, the filling of the material is completed, and then the bag opening assembly 3 is reset to the initial position.

[0033] If the length of the packaging bag is short, the motor 56 drives the support table 52 to rise through the cooperation of the lead screw 55 and the nut 54, and at this time, the bearing roller 53 on the support table 52 is located at a higher position, when the bag opening assembly 3 is lowered to the driving arm 323 contacts the bearing roller 53, the bag opening clamp 322 can be opened in advance, for the shorter packaging bag, the bag opening clamp 322 falls into the bottom of the packaging bag and can be completely opened, avoiding the bag opening clamp 322 of the bag opening assembly 3 in advance contacting the bottom of the packaging bag, and then avoiding the concentrated stress on the bottom of the packaging bag caused by two bag opening clamps 322 not completely opened, and then avoiding the skew or even falling of the packaging bag.

[0034] If the length of the packaging bag is long, the motor 56 drives the support table 52 and the bearing roller 53 to be adjusted downward, so that the bag opening clamp 322 of the bag opening assembly 3 is completely expanded when it is inserted into the bottom of the packaging bag to open the packaging bag.

[0035] The motor 56 of the adjusting assembly 5 drives the lead screw 55 to rotate, and the lead screw 55 drives the bearing roller 53 on the support table 52 to move up and down through the nut 54, so that the driving arm 323 contacts the bearing roller 53 at different times, and then the bag opening clamp 322 of the bag opening assembly 3 opens the bag in advance or delays, and the bag opening mechanism is universal for long and short bags, and can adapt to packaging bags of different lengths without replacing the bag opening clamp 322, and the universality of the bag opening mechanism for long and short bags is stronger.

[0036] The connecting rod 42 is slidably arranged on the support frame 31 through the linear bearing 41, one end of the connecting rod 42 is slidably arranged on the slide rail 2 through the fixed plate 22 and the sliding block two 21 in sequence, the up-down movement of the poking block 43 is more stable and reliable, and the poking effect is better.

[0037] The bag opening assembly 3, the poking assembly 4 and the adjusting assembly 5 are slidably arranged on the slide rail 2, the integrity of the bag opening mechanism is stronger, more stable and reliable, and the installation, disassembly and maintenance are more convenient and fast.

[0038] The technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here, of course, the above description is not a limitation of the utility model, the utility model is not limited to the above examples, the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. A bag opening mechanism for a long-short bag universal packaging machine, comprising a vertical support (1) vertically arranged on a packaging machine body, a slide rail (2) arranged on the vertical support (1), characterized in that, Also include vertical slidingly arranged on the slide rail (2) on the bag opening assembly (3), the adjustable arrangement on the bag opening assembly (3) above the position of the material pushing assembly (4), for adjusting the bag opening assembly (3) travel adjustment assembly (5), the material pushing assembly (4) can be arranged on the slide rail (2), the bag opening assembly (3) includes vertical slidingly arranged on the slide rail (2) on the support frame (31), swing arranged on the support frame (31) on the bag opening unit (32), arranged on the bag opening unit (32) above the chute (33), the material pushing assembly (4) can be separated through the chute (33) is arranged, the adjustment assembly (5) and the bag opening unit (32) can be separated from the contact.

2. The long-short bag universal packaging machine bag opening mechanism according to claim 1, characterized in that, The bag opening unit (32) includes rotatingly arranged on both sides of the support frame (31) respectively rotating shaft (321), one end of the rotating shaft (321) side fixedly connected with the bag opening clamp (322), the driving arm (323) is fixedly connected with one end of the rotating shaft (321), the limiting block (324) is connected with the other end of the rotating shaft (321), the limiting block (324) and the support frame (31) can be separated from the abutment, the adjustment assembly (5) and the driving arm (323) can be separated from the abutment.

3. The long-short bag universal packaging machine bag opening mechanism according to claim 2, characterized in that, The adjustment assembly (5) includes a sliding block (51) connected with the slide rail (2), a support table (52) arranged on the sliding block (51), a bearing roller (53) arranged on both sides of the support table (52), a nut (54) for driving the support table (52) to ascend and descend, a lead screw (55) vertically penetrating in the nut (54), a motor (56) connected with the lead screw (55), the motor (56) is arranged on the vertical support (1), the nut (54) is connected with the support table (52), and the two bearing rollers (53) are respectively connected with the driving arm (323).

4. The long and short bag generic packaging machine bag opening mechanism according to claim 2, characterized by, The material pushing assembly (4) includes a linear bearing (41) arranged on the support frame (31), a connecting rod (42) slidingly penetrating in the linear bearing (41), and a material pushing block (43) connected with one end of the connecting rod (42). The slide rail (2) is provided with a sliding block (21), the sliding block (21) is provided with a fixed plate (22), and the other end of the connecting rod (42) is connected with the fixed plate (22).

5. The long-short bag universal packaging machine bag opening mechanism according to claim 2, characterized in that, The support frame (31) is provided with a bearing frame (34), the discharge port of the chute (33) is fixedly arranged on the bearing frame (34), the rotating shaft (321) is rotatably arranged on the bearing frame (34), and the limiting block (324) is abuttable with the bottom side of the bearing frame (34).

6. The long-short bag universal packaging machine bag opening mechanism according to claim 5, characterized in that, The bag opening clamp (322) extends out a support plate (3221), the bearing frame (34) is provided with a support seat (341), and a return spring (6) for resetting the bag opening clamp (322) is arranged between the support plate (3221) and the support seat (341).

7. The long-short bag universal packaging machine bag opening mechanism according to claim 6, characterized in that, A rack (35) is vertically arranged on the support frame (31), and a gear is arranged on the packaging machine body for driving the support plate (3221) to lift.

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