Hot knife assembly for bag making machine

Abstract

The utility model discloses a hot knife assembly for a bag making machine. The hot knife assembly comprises a front cross beam, a rear cross beam and a mounting seat, tracks are arranged on the tops of the front cross beam and the rear cross beam, two movable seats are arranged on each track, fixed seats are connected to the inner sides of the movable seats, and a fixed plate is arranged on the top of the movable seat on the front cross beam. A mounting seat is arranged between the fixed seats and is connected with the hot knife; rotating shafts are arranged at the two ends of the mounting base and rotationally matched with through holes in the fixing base, fixing holes are symmetrically formed in the upper and lower sides of the rotating shafts, fixing through holes are symmetrically formed in the upper and lower sides of the through holes, and the fixing through holes are fixedly connected with the fixing holes through bolts; the fixing plates extend towards the inner sides to be provided with racks, and the two sets of racks are engaged with the output end of the motor after being converged. The distance between the hot cutters can be adjusted by a machine without manual operation; meanwhile, the mounting base can be overturned, one-man operation can be achieved, the mounting space is larger, and operation is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bag making machine, especially a kind of ironing knife assembly for bag making machine. BACKGROUND

[0002] Bag making machine is commonly used equipment in packaging industry, for producing various specifications of plastic bags. In the process of making bag, ironing knife assembly plays a vital role, it is responsible for cutting and sealing the edge of plastic bag, ensure the integrity and sealing of bag.

[0003] The spacing between the traditional bag making machine ironing knives is manually adjusted, and the error caused by manual operation is inevitable during adjustment, and the adjustment mechanism needs to be rotated multiple times, which is complicated. Meanwhile, when installing the ironing knives, two people are generally needed to operate, one holds the ironing knife, and the other fixes it, which is not efficient. In terms of installation method, most of the ironing knives are installed in the space between the mounting seat and the conveying channel, which is narrow and inconvenient to install. SUMMARY

[0004] The utility model aims at providing a kind of ironing knife assembly for bag making machine that can adjust the spacing of ironing knives and is easy to install.

[0005] The utility model relates to a kind of ironing knife assembly for bag making machine that can adjust the spacing of ironing knives and is easy to install.

[0006] Preferably, the bottom of the mounting seat is provided with a limiting groove, and the ironing knife is arranged in the limiting groove and fixedly connected with the mounting seat by bolts.

[0007] Preferably, the main body of the motor is installed at the center position of the front cross beam by bolts.

[0008] Preferably, dovetail groove structure is adopted for butt joint between the moving seat and the track, the moving seat is covered with a rubber layer, and the track is provided with a limiting baffle at both ends.

[0009] Preferably, after the motor is driven, the running direction of the rack does not interfere with the fixed plate.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1. The moving seat is arranged on both sides of the hot knife, and the moving seat is driven to move by the rack driven by the motor, so that the distance between the two groups of hot knives can be adjusted to adapt to the requirements of different sizes of bag making;

[0012] 2. The mounting seat of the hot knife is optimally designed to be able to be turned over, and when the hot knife is installed, the mounting seat after being turned over is fixed, so that the hot knife can be put into the limiting groove by one person and then bolted, without the need for multiple people to operate, and the operation is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model.

[0014] Figure 2 It is a structural schematic view of the connection between the fixed seat and the hot knife of the utility model.

[0015] Figure 3 It is a sectional structural schematic view of the fixed seat and the hot knife of the utility model.

[0016] Among them, 1 is a front cross beam, 2 is a rear cross beam, 3 is a mounting seat, 301 is a rotating shaft, 302 is a fixed hole, 303 is a limiting groove, 4 is a track, 401 is a limiting baffle, 5 is a moving seat, 6 is a fixed seat, 601 is a through hole, 602 is a fixed through hole, 7 is a fixed plate, 8 is a hot knife, 9 is a rack, and 10 is a motor. DETAILED DESCRIPTION

[0017] The embodiments of the utility model will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification.

[0018] It should be understood that, in the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The indicated device or element must have a specific orientation, operation and construction, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance. The terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0019] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term '' set '', '' install '', '' link '', '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through intermediate medium indirectly connect, can be two element inside's intercommunication. For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model with specific circumstances.

[0020] As Figures 1-3 The utility model discloses a hot knife assembly for bag making machine, including front crossbeam 1, rear crossbeam 2, mounting seat 3, the top of front crossbeam 1, rear crossbeam 2 is equipped with track 4, and two groups of mobile seat 5 are equipped on each group of track 4, and the inboard of mobile seat 5 is connected with fixed seat 6, and the top of mobile seat 5 located on front crossbeam 1 is equipped with fixed plate 7, and the fixed seat 6 between is equipped with mounting seat 3, and mounting seat 3 is connected with hot knife 8, and the both ends of mounting seat 3 are equipped with pivot shaft 301 and the through hole 601 on fixed seat 6 rotationally cooperates, and the both sides of pivot shaft 301 are symmetrically equipped with fixed hole 302, and the both sides of through hole 601 are symmetrically equipped with fixed through hole 602, and fixed through hole 602 is fixedly connected with fixed hole 302 through bolt, and fixed plate 7 extends to the inboard and is equipped with rack 9, and two groups of rack 9 converge and are engaged with the output end of motor 10.

[0021] As Figures 2-3 The bottom of mounting seat 3 is equipped with limiting groove 303, and hot knife 8 is arranged in limiting groove 303, and hot knife 8 is fixedly connected with mounting seat 3 through bolt, and after mounting seat overturns, hot knife can be directly placed in limiting groove and will not fall off, and single person can realize hot knife installation and fixation.

[0022] As Figure 1 The main body of motor 10 is installed at the center position of front crossbeam 1 through bolt.

[0023] As Figure 1 The dovetail groove structure is adopted for butt joint between mobile seat 5 and track, and the periphery of mobile seat 5 is covered with rubber layer, so that hard contact between mobile seat and limiting baffle and motor 10 shell can be avoided, and limiting baffle 401 is arranged at the both ends of track 4, so that the derailment of mobile seat and track can be avoided.

[0024] As Figure 1 After the driving of motor 10, the running direction of rack 9 does not resist fixed plate 7, so that the contact of mobile seat with rack during movement can be avoided.

[0025] The working principle of the utility model is described as follows: in use, the interval of the two groups of hot knives is adjusted by the motor, so that different requirements of bag making can be met; when the hot knives need to be replaced, first, the bolts of the two side fixing bases are rotated and taken out, then the fixing bases are turned over by 180 degrees, one group of bolts is inserted, the limiting groove of the fixing base is placed upward, then the hot knife is taken out; when the hot knife is installed, the hot knife body is placed in the limiting groove from above the machine, the bolt of the hot knife is locked, then the inserted group of bolts is taken out, the fixing base is turned over by 180 degrees, the limiting groove of the fixing base is placed downward, then the bolts of the two side fixing bases are rotated and fixed; the hot knife is installed from above the fixing base, the operation space is larger, and the problem of insufficient installation interval between the installation base and the lower conveying channel is solved.

[0026] The above-described embodiments are merely preferred embodiments of the utility model, and do not limit the concept and scope of the utility model. Without departing from the design concept of the utility model, various modifications and improvements of the technical scheme of the utility model made by those skilled in the art shall fall within the protection scope of the utility model, and the technical content of the utility model claimed for protection has been recorded in the claims.

Claims

1. A hot knife assembly for a bag making machine, characterized by, The utility model relates to a kind of hot knife mounting seat, including front crossbeam, rear crossbeam, mounting seat;The top of front crossbeam, rear crossbeam is equipped with track, and each group track is equipped with two groups of mobile seat, and the inboard of mobile seat is connected with fixed seat, and the top of mobile seat located on front crossbeam is equipped with fixed plate;Mounting seat is equipped between the fixed seat, and mounting seat is connected with hot knife;Two ends of mounting seat are equipped with rotating shaft and the rotating cooperation of fixed seat on through-hole, and rotating shaft is equipped with fixed hole symmetrically on upper and lower sides, and through-hole is equipped with fixed through-hole symmetrically on upper and lower sides, and fixed through-hole is fixedly connected with fixed hole by bolt;Fixed plate extends inboard and is equipped with rack, and two groups of rack are met and engaged with the output end of motor after convergence.

2. A seaming iron assembly for a bag making machine according to claim 1, wherein The bottom of the mounting seat is provided with a limiting groove, and the hot knife is arranged in the limiting groove.

3. The seaming iron assembly of claim 1, wherein: The main body of the motor is installed at the center position of the front crossbeam by bolts.

4. The seaming iron assembly of claim 1, wherein: The dovetail groove structure is used to butt joint between the mobile seat and the track, the periphery of the mobile seat is covered with a rubber layer, and the both ends of the track are provided with limiting baffle plates.

5. The bag making machine according to claim 1, wherein After the motor is driven, the running direction of the rack does not interfere with the fixed plate.

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