CN205185396U - Device expandes suitable for end machine is stuck with paste to compound bag of paper twine - Google Patents

Abstract

The utility model belongs to the field of mechanical equipment for pasting the bottom of paper yarn composite bags, in particular to an unfolding device suitable for a bottom pasting machine for paper yarn composite bags, which solves the problem that the overall structure of the existing unfolding device is too complicated, high in cost and poor in stability The problem. The utility model is an unfolding device suitable for a paper yarn composite bag bottom paste machine, which specifically includes a left support beam, a middle beam, a cylinder, a slider, a guide rod, a right support beam, a disc, a side rod, a working table, and a stretcher. rod; the guide rod reciprocates up and down in the vertical direction under the drive of the cylinder; The unfolding device of the paper yarn composite bag bottom paste machine is connected with the whole machine, which has the advantages of simple structure, stable operation and replacing manual work.

Description

An unfolding device suitable for paper yarn composite bag bottom paste machine

technical field

The utility model relates to the field of mechanical equipment for pasting bottoms of paper yarn composite bags, in particular to an unfolding device suitable for bottom pasting machines for paper yarn composite bags.

Background technique

At present, most domestic paper yarn composite bag packaging equipment has a low degree of mechatronics, and the overall structure of the existing unfolding device is too complicated, high in cost, precise in matching requirements, poor in stability, and low in reliability, resulting in a high rate of bag breakage and scrap. , Low product performance, and a series of defects.

Contents of the invention

Aiming at the problems existing in the background technology, the object of the present invention is to propose an unfolding device suitable for a paper yarn composite bag bottom paste machine, which can flatten the mouth of the paper yarn composite bag that has been sucked into gaps, so that the mouth of the bag can be unfolded better. Shaped into a square shape, the device has the advantages of high paste bottom yield, simple structure, low cost, stable operation and replacing labor by connecting with the whole machine.

In order to realize the above-mentioned technical purpose, the present invention adopts following technical scheme to realize:

The utility model is an unfolding device suitable for a paper yarn composite bag bottom paste machine, which includes a left support beam, a middle beam, a cylinder, a slider, a guide rod, a right support beam, a disc, a side rod, a working table, and a spreader rod. , motor, gear, intermediate gear, worm, worm gear, hinged disc, drive shaft, small spur gear, rack; the intermediate beam is connected to the left support beam and the right support beam, and the cylinder and slider are fixed on the intermediate beam The guide rod is hinged with the cylinder rod, coaxial with the center hole of the slider, driven by the cylinder, the guide rod can reciprocate up and down in the vertical direction; the disc and the guide rod are coaxially matched, and the guide rod A rack is fixed at the groove, and the rack is connected to the transmission mechanism on the upper surface of the disc. The spreading rod is hinged to the lower surface of the disc. Orientation opening and closing.

Preferably, the cylinder and the slider are fixed on the middle beam; the guide rod is hinged to the cylinder rod, coaxially matched with the center hole of the slider, the slider has a V-shaped notch, and one end of the guide rod has a V-shaped protrusion, and the notch Cooperate with the protrusion to limit the degree of freedom of the guide rod, driven by the cylinder, the guide rod can reciprocate along the vertical direction.

Preferably, there is a fixed groove on one side of the disc, on which the driving shaft is installed, and the small spur gear is coaxially matched with the driving shaft and meshed with the rack in the fixed groove; the upper surface of the disc The driving mechanism includes motor, driving gear, intermediate gear, worm, worm gear, small spur gear, and rack.

Preferably, the output shaft of the motor is coaxially connected with the driving gear, and the driving gear meshes with the intermediate gear and is on the same plane; The center line of the worm gear is staggered to match at 90°; the worm gear and the driving shaft are coaxially matched, and the small spur gear on the driving shaft meshes with the fixed rack on the guide rod.

Preferably, there are two supporting rods and two side rods, and they are installed symmetrically. One end of the supporting rod is hinged to the guide rod, one end of the side rod is hinged to the hinge plate on the lower surface of the disc, and the other end is connected to the supporting rod. Middle hinged.

Preferably, a photoelectric sensor is installed under the worktable to detect paper bags.

Preferably, the guide rod is driven by the cylinder to reciprocate up and down in the vertical direction; the disc can reciprocate up and down along the guide rod through the forward and reverse rotation of the motor to drive the opening and closing of the spreader rod.

The beneficial effects of the present invention are: the paper yarn composite bag is vertically conveyed along the gap of the working table, the suction opening device sucks the opening of the bag to a certain gap, and the unfolding device detects the paper yarn composite bag through the photoelectric sensor under the working table, Control the cylinder to press down the guide rod, expand the rod to form a triangle, further expand the gap of the bag mouth, and control the motor at the same time, drive the disc to move down along the guide rod, and the spread rod opens along both sides of the bag mouth to expand the bag mouth; The above-mentioned device has the advantages of simple structure, low cost, stable deployment and replacing labor by being connected with the whole machine.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure assembly of an unfolding device suitable for a paper yarn composite bag bottom paste machine according to the present invention

Fig. 2 is the assembly schematic diagram of guide rod and disk three-dimensional structure of the present invention;

Figure 3 is an exploded view of the three-dimensional structure assembly of the guide rod, disc, and cylinder of the present invention;

Reference signs are as follows: left support beam (1), middle beam (2), cylinder (3), slide block (4), guide rod (5), right support beam (6), disc (7), side bar (8), working surface (9), spreader rod (10), motor (11), driving gear (12), intermediate gear (13), worm (14), worm gear (15), hinged disc (16), Drive shaft (17), small spur gear (18), rack (19).

detailed description

The present invention will be further described below in conjunction with accompanying drawing:

As shown in attached drawing 1, an unfolding device suitable for paper yarn composite bag bottom paste machine is characterized in that it includes a left support beam (1), a middle beam (2), an air cylinder (3), and a slider (4) , guide rod (5), right support beam (6), disc (7), side rod (8), working surface (9), spreader rod (10), motor (11), gear (12), middle Gear (13), worm (14), worm gear (15), hinged disc (16), driving shaft (17), small spur gear (18), rack (19); the middle beam (2) and The left support beam (1) and the right support beam (6) are connected by bolts above the worktable (9), and the cylinder (3) and slider (4) are fixedly connected by bolts on the middle beam (2), ensuring that the cylinder (3) ) and the central hole of the slider (4) are coaxially matched, and the cylinder (3) is above the slider (4) and kept at a certain distance; there is a fixed groove on one side of the disc (7), and the disc (7) ) and the guide rod (5) are coaxially matched, the groove of the guide rod (5) is fixed with the rack (19), the fixing groove on one side of the disc (7) is fitted with the groove of the guide rod (5), and the disc ( 7) The driving shaft (17) is installed on one side of the fixed groove, the small spur gear (18) is coaxially matched with the driving shaft (17), and meshed with the rack (19) in the fixed groove, through the driving shaft ( 17) Input power to drive the disc (7) to reciprocate up and down along the guide rod (5); the support rod (10) and the side rod (8) are respectively two and installed symmetrically, and one end of the support rod (10) It is hinged with the guide rod (5), one end of the side rod (8) is hinged with the hinge plate (16) on the lower surface of the disc (7), and the other end is hinged with the middle part of the support rod (10); the work surface (9 ) to install a photoelectric sensor below to detect paper bags;

As shown in Figure 2, the output shaft of the motor (11) is coaxially matched with the driving gear (12), and the driving gear (12) meshes with the intermediate gear (13) and is on the same plane; the worm (14) and The intermediate gear (13) fits with the center of the shaft, and one end is installed on the disc (7), and the worm (14) meshes with the center line of the worm wheel (15) at 90°; the worm wheel (15) and the driving shaft (17) Coaxial with the center, the small spur gear (18) on the drive shaft (17) meshes with the fixed rack (19) on the guide rod (5); the motor (11) drives the disc (7) forward and reverse ) reciprocates up and down along the guide rod (5) to control the opening and closing of the spreader rod (10).

As shown in Figure 3, the cylinder (3) and slider (4) are fixedly connected by bolts on the middle beam (2) to ensure that the cylinder rod in the cylinder (3) is coaxial with the center hole of the slider (4), The cylinder (3) is above the slider (4) and kept at a certain distance; the guide rod (5) is hinged with the cylinder rod and coaxially matched with the center hole of the slider (4); the slider (4) has a V There is a V-shaped notch at one end of the guide rod (5), and the notch cooperates with the protrusion to limit the degree of freedom of the guide rod (5). Driven by the cylinder (3), the guide rod (5) can reciprocate along the vertical direction sports;

Working principle: The paper yarn composite bag is conveyed vertically along the gap of the working table (9), the suction opening device sucks the mouth of the bag to a certain gap, and the unfolding device detects the paper yarn composite bag through the photoelectric sensor under the working table (9). bag, the control cylinder (3) presses down the guide rod (5), spreads the rod (10) into a triangle, and further expands the gap of the bag opening, and at the same time controls the motor (11) to drive the disc (7) along the guide rod (5 ) moves down, and the spreader rod (10) opens along both sides of the bag mouth to expand the bag mouth;

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (6)

1. An unfolding device suitable for a paper yarn composite bag bottom paste machine, characterized in that it includes a left support beam, a middle beam, an air cylinder, a slider, a guide rod, a right support beam, a disc, a side bar, a working table, Expansion rod, motor, driving gear, intermediate gear, worm, worm gear, hinged disc, driving shaft, small spur gear, rack; the middle beam is connected with the left support beam and the right support beam above the worktable, and the cylinder The slider is fixedly connected with the middle crossbeam; the guide rod is hinged with the cylinder rod and installed coaxially with the center hole of the slider; the disc is installed on the guide rod, and the groove of the guide rod is fixed with a rack, The drive mechanism on the upper surface of the disc cooperates; the lower surface of the disc is hinged to the side bars; a photoelectric sensor is installed under the working table to detect paper bags. 2. The unfolding device suitable for paper yarn composite bag bottom paste machine according to claim 1, characterized in that: the cylinder and the slider are fixed on the middle beam; the guide rod is hinged with the cylinder rod, and the slider is The center hole is matched with the axis, the slider has a V-shaped notch, and one end of the guide rod has a V-shaped protrusion. The notch cooperates with the protrusion to limit the freedom of the guide rod. Driven by the cylinder, the guide rod can reciprocate along the vertical direction . 3. The unfolding device suitable for paper yarn composite bag bottom paste machine according to claim 1, characterized in that: there is a fixed groove on one side of the disc, and a driving shaft and a small spur gear are installed on the fixed groove It is coaxially matched with the driving shaft and meshed with the rack in the fixed groove; the driving mechanism on the upper surface of the disc includes a motor, a driving gear, an intermediate gear, a worm, a worm wheel, a small spur gear, and a rack. 4. An unfolding device suitable for paper yarn composite bag bottom paste machine according to claim 3, characterized in that: the output shaft of the motor is coaxially connected with the driving gear, and the driving gear is meshed with the intermediate gear and The same plane; the worm and the intermediate gear are coaxially matched, and one end is installed on the disc, and the worm and the centerline of the worm wheel are staggered into 90°coordination; the worm and the driving shaft are coaxially matched, and the small straight shaft on the driving shaft The toothed spur gear meshes with a fixed rack on the guide rod. 5. An unfolding device suitable for a paper yarn composite bag bottom paste machine according to claim 1, characterized in that: there are two support rods and side rods respectively, and they are installed symmetrically, and one end of the support rod is connected to the guide The rod is hinged, one end of the side rod is hinged with the hinge plate on the lower surface of the disk, and the other end is hinged with the middle part of the support rod. 6. An unfolding device suitable for a paper yarn composite bag bottom paste machine according to claim 1, characterized in that: the guide rod reciprocates vertically up and down under the drive of the cylinder; the disc Through the positive and negative rotation of the motor, it can reciprocate up and down along the guide rod to drive the opening and closing of the expansion rod; the paper yarn composite bag is conveyed vertically along the gap of the work table, and the suction device sucks the opening of the bag to a certain gap , the unfolding device detects the paper yarn composite bag through the photoelectric sensor, controls the cylinder to press down the guide rod, expands the rod to form a triangle, and further expands the gap between the bag openings. The two sides of the bag opening are opened, and the bag opening is unfolded.