Fly cutter cutting device and bag making machine

Abstract

The utility model belongs to the technical field of packaging bag preparation, and discloses a fly cutter cutting device and a bag making machine. The cutter assembly is at least provided with a cutter and a cutter holder, the cutter is installed on the cutter holder, and the cutter assembly is located above the packaging bag film material and used for cutting off the packaging bag film material; the fly cutter longitudinal transmission assembly is installed on the rack and used for completing movement control over the cutter assembly in the longitudinal direction; and the fly-cutter transverse transmission assembly is mounted on the rack and used for completing movement control over the cutter assembly in the transverse direction. According to the fly-cutter cut-off device and the bag making machine, the driving structure in the longitudinal direction of the fly-cutter pressing plate is installed in the machine frame at the bottom, so that the visual field of the whole structure, especially the upper structure, is wide, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing bag preparation technical field especially, it relates to fly -knife cutting device and bag making machine that packing bag film material cut off is used. BACKGROUND

[0002] The packing bag refers to the bag for packing various articles, makes goods convenient transportation, easy storage in the production flow process, is widely used in daily life and industrial production. The existing packing bag preparation process needs to cut the film material when making the bag, and the fly -knife cutting device is the structure for completing the film material cutting. The applicant has previously applied a kind of integrated fly -knife cutting device and bag making machine with publication number CN208133696U, the driving device of this structure is all arranged on the upper portion of rack, occupies larger rack space, and the operation space is narrow, and the problem needs to be optimized. UTILITY MODEL CONTENTS

[0003] The utility model is to provide a kind of fly -knife cutting device and bag making machine, to solve the problem of background art.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] Fly -knife cutting device, comprising:

[0006] Rack, as support frame body;

[0007] Knife assembly, at least has cutter and cutter seat, the cutter is installed on the cutter seat, the knife assembly is located above packing bag film material, for completing the cutting of packing bag film material;

[0008] Fly -knife longitudinal transmission component, is installed on the rack, for completing the movement control of the longitudinal direction of the knife assembly;

[0009] Fly -knife transverse transmission component, is installed on the rack, for completing the movement control of the transverse direction of the knife assembly.

[0010] As the optional scheme of fly -knife cutting device, the cutter seat bottom is fixed with the cutter, and the upper portion is provided with chute, the chute is matched with the fly -knife transverse transmission component, realizes the movement of the cutter in transverse direction.

[0011] As an optional solution of the flying knife cutting device, the flying knife longitudinal transmission assembly is installed in the lower rack, and at least has a first driving mechanism, a transmission assembly, a support assembly and a flying knife pressing plate. The first driving mechanism is connected with the transmission assembly. The support assembly is symmetrically arranged. The two groups of symmetrically arranged support assemblies are connected with the transmission assembly. The flying knife pressing plate is arranged between the two groups of symmetrically arranged support assemblies and is supported by the support assembly. The knife assembly is located at the flying knife pressing plate, and the position of the flying knife is limited by the flying knife pressing plate.

[0012] As an optional solution of the flying knife cutting device, the transmission assembly at least includes a first transmission belt connected with the first driving mechanism, a first transmission wheel sleeved with the first transmission belt, eccentric wheels coaxially arranged and symmetrically arranged on both sides of the rack, lifting forks respectively connected with the two eccentric wheels, and a transmission rod connecting the two eccentric wheels.

[0013] As an optional solution of the flying knife cutting device, the transmission assembly further has an adjusting assembly. The adjusting assembly is symmetrically arranged in two groups. Each group of the adjusting assembly at least has an adjusting seat and an adjusting hole. The bottom of the adjusting seat is connected with the lifting fork. The seat body of the adjusting seat is provided with the adjusting hole. The bottom of the support assembly is installed in the adjusting hole through a bearing assembly, and the position of the support assembly can be finely adjusted through the adjusting hole.

[0014] As an optional solution of the flying knife cutting device, the lifting fork is in Y-shaped structure. The bottom of the adjusting seat is installed between the two support parts of the upper part of the Y-shaped structure of the lifting fork and is connected through a bearing structure. The lower support part of the Y-shaped structure of the lifting fork is connected with the mounting seat of the eccentric wheel.

[0015] As an optional solution of the flying knife cutting device, each group of the support assembly at least has a pressing plate stand column connected with the adjusting seat of the transmission assembly. The flying knife pressing plate is arranged between the pressing plate stand columns of the two groups of support assemblies. A guide plate is arranged above the flying knife pressing plate between the two pressing plate stand columns. The guide plate has a guide protrusion. The guide protrusion cooperates with a sliding groove of the cutting knife seat. The cutting knife seat can move in the horizontal direction along the guide protrusion.

[0016] As an optional solution of the flying knife cutting device, the flying knife pressing plate is in plate structure. The cutting knife is located between the flying knife pressing plate and the pressing plate stand column. The side surface of the cutting knife seat facing the pressing plate stand column is a plane. The side surface of the cutting knife seat facing the flying knife pressing plate is a stepped structure. The movement stroke of the cutting knife seat is limited by the stepped structure of the flying knife pressing plate.

[0017] As an alternative to the flying knife cutting device, the flying knife transverse transmission assembly at least has a second driving mechanism, a synchronous belt, a second transmission wheel synchronously driven with the second driving mechanism through the synchronous belt, and a second transmission belt connected with the second transmission wheel, the cutter seat is connected with the second transmission belt, and the cutter seat is driven by the second transmission belt to move in the transverse direction.

[0018] As an alternative to the flying knife cutting device, the first driving structure and the second driving structure both adopt servo motors.

[0019] The utility model also provides a bag making machine, the bag making machine is provided with the flying knife cutting device, and the cutting work of the packaging bag film material is efficiently completed.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The flying knife cutting device and the bag making machine have the driving structure installed in the bottom rack, the overall structure, especially the upper structure, has a wide field of view, and operation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the bag making machine structure schematic view of the utility model assembly flying knife cutting device;

[0023] Figure 2 is Figure 1 structure schematic view of side view;

[0024] Figure 3 is Figure 1 structure schematic view of top view;

[0025] Figure 4 is the flying knife longitudinal transmission assembly structure schematic view of the utility model;

[0026] Figure 5 is Figure 4 structure schematic view of the middle adjusting assembly and the lifting fork connecting structure;

[0027] Figures 6-7 is the cutter assembly structure schematic view of the utility model;

[0028] Figure 8 is the cutter assembly and the guide plate installation cooperation structure schematic view of the utility model;

[0029] Reference numerals in the drawing:

[0030] 1-bag making machine;

[0031] 10 - frame; 11 - fly cutter longitudinal transmission assembly; 110 - first driving mechanism; 111 - transmission mechanism; 1110 - first transmission belt; 1111 - first transmission wheel; 1112 - eccentric wheel; 1113 - lifting fork; 1114 - transmission rod; 1115 - adjusting assembly; 11150 - adjusting seat; 11151 - adjusting hole; 112 - supporting assembly; 1120 - pressing plate stand; 1121 - guide plate; 11210 - guide protrusion; 113 - fly cutter pressing plate; 12 - fly cutter transverse transmission assembly; 120 - second driving mechanism; 121 - synchronous belt; 123 - second transmission wheel; 124 - second transmission belt; 13 - cutter assembly; 130 - cutter seat; 1300 - sliding groove; 1301 - stepped structure; 131 - cutter;

[0032] 2 - packaging bag film material;

[0033] The arrow in the drawing indicates the direction of movement. DETAILED DESCRIPTION

[0034] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for the convenience of description, not all the structures.

[0035] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0037] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0038] This embodiment provides a flying knife cutting device and a bag making machine, which are described below in conjunction with... Figures 1 to 8 The specific content of this embodiment will be described in detail.

[0039] Combination Figures 1-3 As shown, the bag-making machine 1 has a frame 10. The frame 10 can adopt the frame structure of an existing bag-making machine 1, having a bottom frame and an upper working support section. The flying knife cutting device involved in this utility model is installed on the frame 10 and includes:

[0040] The knife assembly 13 has at least a cutter 131 and a cutter holder 130. The cutter 131 is mounted on the cutter holder 130. The knife assembly 13 is located above the packaging bag film 2 and is used to cut the packaging bag film 2.

[0041] The longitudinal transmission assembly 11 for flying cutters is mounted on the frame 10 and is used to control the longitudinal movement of the tool setting assembly 13.

[0042] The lateral transmission assembly 12 for the flying knife is mounted on the frame 10 and is used to control the lateral movement of the tool setting assembly 13.

[0043] To explain the above structure in more detail.

[0044] In the solution of this embodiment, combined with Figures 6-8 The cutter holder 130 in the cutter assembly 13 is arranged longitudinally, and the cutter 131 is fixed at its bottom. A groove 1300 is provided on the side of the cutter holder 130 facing the fly knife transverse transmission assembly 12. The groove 1300 cooperates with the fly knife transverse transmission assembly 12 to realize the movement of the cutter 131 in the transverse direction. Below the groove 1300 is a stepped structure 1301. The stepped structure 1301 cooperates with the fly knife longitudinal transmission assembly 11 to realize the movement of the cutter 131 in the longitudinal direction.

[0045] In the solution of this embodiment, combined with Figures 4-5As shown, in order to realize the movement of the cutter 121 in the longitudinal direction, the flying cutter longitudinal transmission assembly 11 is installed in the lower rack 10, and at least has a first driving mechanism 110, a transmission mechanism 111, a support assembly 112 and a flying cutter pressing plate 113. The first driving mechanism 110 is connected with the transmission mechanism 111. The support assembly 112 is symmetrically arranged, and the two groups of symmetrically arranged support assemblies 112 are connected with the transmission mechanism 111. The flying cutter pressing plate 113 is arranged between the two groups of symmetrically arranged support assemblies 112 and is supported by the support assemblies 112. The cutter assembly 13 is located at the flying cutter pressing plate 113, and the position of the flying cutter is defined by the flying cutter pressing plate 113.

[0046] More specifically, the transmission mechanism 111 at least includes a first transmission belt 1110 connected with the first driving mechanism 110, a first transmission wheel 1111 sleeved with the first transmission belt 1110, an eccentric wheel 1112 coaxially arranged with the first transmission wheel 1111 and symmetrically arranged on both sides of the rack, a lifting fork 1113 respectively connected with the two eccentric wheels 1112, and a transmission rod 1114 connected with the two eccentric wheels 1112.

[0047] The support assembly 112 is arranged above the transmission mechanism 111, and each group of support assemblies 112 at least has a pressing plate stand 1120 connected with the transmission mechanism 111. The pressing plate stand 1120 is a column structure arranged in the longitudinal direction. The bottom of the column structure is connected with the transmission mechanism 111, and the top is connected with the flying cutter pressing plate 113. An adjusting spring is further arranged above the flying cutter pressing plate 113.

[0048] The lifting fork 1113 is a Y-shaped structure. The pressing plate stand 1120 of the support assembly 112 can be installed between the two support portions of the upper part of the Y-shaped structure of the lifting fork 1113 and is connected through a bearing structure. The lower support portion of the Y-shaped structure of the lifting fork 1113 is connected with the mounting seat of the eccentric wheel 1112.

[0049] Based on the above structure, in the embodiment, the first driving mechanism 110 adopts a servo motor, when the servo motor is reversed, the output shaft drives the upper first transmission wheel 1111 to rotate through the first transmission belt 1110, the first transmission wheel 1111 is connected with a transmission rod 1114 through a bearing, the transmission rod 1114 is horizontally arranged along the width direction of the rack 10, both ends of the transmission rod 1114 are respectively connected with two eccentric wheels 1112, the first transmission wheel 1111 is located between the two eccentric wheels 1112, the driving force of the first driving mechanism 110 acts on the two eccentric wheels 1112 through the transmission rod 1114, drives the two eccentric wheels 1112 to complete the forward and reverse rotation, the eccentric wheel 1112 has a mounting seat, the mounting seat is connected with a lifting fork 1113 outside, the lifting fork 1113 completes the longitudinal stroke movement through the rotation of the eccentric wheel 1112, and then drives the press plate stand 1120 connected above the lifting fork 1113 to complete the longitudinal stroke movement, the flying knife press plate 113 is arranged between the press plate stands 1120 of the two groups of supporting assemblies 112, the synchronous movement of the transmission mechanisms 111 on the two sides drives the flying knife press plate 113 connected on the press plate stand 1120 to realize the longitudinal movement.

[0050] The flying knife press plate 113 is a plate structure, the cutter 131 is located between the flying knife press plate 113 and the press plate stand 1120, and the cutter 131 is limited by the flying knife press plate 113 and the press plate stand 1120, one side of the cutter seat 130 facing the press plate stand 1120 is a plane, and the stepped structure 11310 of the cutter seat 130 is located on the side facing the flying knife press plate 113, and the movement stroke of the cutter seat 130 is limited by the stepped structure 11310 of the flying knife press plate 113.

[0051] In addition, in other embodiments, the transmission mechanism 111 of the flying knife longitudinal transmission assembly 11 can also be provided with an adjusting assembly 1115, the adjusting assembly 1115 is symmetrically arranged in two groups, each adjusting assembly 1115 has at least an adjusting seat 11150 and an adjusting seat hole 11151, the adjusting seat 11150 can be arranged between the press plate stand 1120 and the lifting fork 1113, and is used for realizing the horizontal fine adjustment of the press plate stand 1120, based on this, the bottom of the adjusting seat 11150 is connected with the lifting fork 1113, the seat body of the adjusting seat 11150 is provided with the adjusting seat hole 11151, the bottom of the press plate stand 1120 is installed in the adjusting seat hole 11151 through a bearing assembly, and the position of the press plate stand 1120 can be fine adjusted through the adjusting seat hole 11151.

[0052] In the embodiment, the combination of Figure 1 , Figure 3 , Figure 6 and Figure 8As shown, in order to realize the horizontal movement of the cutter 131, the flying cutter transverse transmission assembly 12 at least has a second driving mechanism 120, a synchronous belt 121, a second transmission wheel 123 which is synchronously driven with the second driving mechanism 120 through the synchronous belt 121, and a second transmission belt 124 connected with the second transmission wheel 123, and the cutter seat 130 is connected with the second transmission belt 124 and is driven by the second transmission belt 124 to move in the transverse direction.

[0053] Correspondingly, each set of support assembly 112 also has a guide plate 1121 which is arranged above the flying cutter pressing plate 113 between the two pressing plate upright columns 1120 in the width direction of the rack 10, and a guide protrusion 11210 is arranged on the side of the guide plate 1121 which faces the cutter seat 130, and the guide protrusion 11210 cooperates with the sliding groove 1300 of the cutter seat 130, and the cutter seat 130 can move in the transverse direction along the guide protrusion 11210.

[0054] Based on the above structure, in the embodiment, the second driving mechanism 120 adopts a servo motor, when the servo motor is reversed, the output shaft drives the second transmission wheel 123 to rotate through the synchronous belt 121, the second transmission wheel 123 is installed on both sides of the rack 10, the second transmission belt 124 is sleeved on the two second transmission wheels 123, and the movement of the second transmission belt 124 driven by the second transmission wheel 123 drives the cutter seat 130 connected thereon to move between the two second transmission wheels 123, as a horizontal support structure, the cutter seat 130 is stably supported on the guide plate 1121 through the cooperation of the sliding groove 1300 and the guide protrusion 11210, and is driven to move by the flying cutter transverse transmission assembly 12.

[0055] It should be noted that in the driving of the transverse movement, the connection between the second transmission belt 124 and the cutter seat 130 can be a gear and rack structure cooperation transmission, or the cutter seat 130 can be fixedly installed on the second transmission belt 124 through other structures, as long as the relative fixed synchronous movement of the second transmission belt 124 and the cutter seat 130 is realized.

[0056] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model claims.

Claims

1. Flying knife cutting-off device, characterized in that include: The frame serves as the supporting structure; A knife assembly, having at least a cutter and a cutter holder, wherein the cutter is mounted on the cutter holder and the knife assembly is located above the packaging bag film for cutting the packaging bag film; The longitudinal transmission assembly for the flying knife is mounted on the frame and is used to control the longitudinal movement of the knife assembly. The lateral transmission assembly for the flying knife is mounted on the frame and is used to control the lateral movement of the knife assembly.

2. The flying knife cutoff device of claim 1, wherein The cutter is fixed at the bottom of the cutter holder and has a sliding groove at the top. The sliding groove cooperates with the lateral transmission assembly of the flying knife to realize the movement of the cutter in the lateral direction.

3. The flying knife cutoff device of claim 1, wherein The longitudinal transmission assembly for the flying knife is installed in the frame below and has at least a first drive mechanism, a transmission assembly, a support assembly, and a flying knife pressure plate. The first drive mechanism is connected to the transmission assembly. The support assemblies are symmetrically arranged, and both sets of symmetrically arranged support assemblies are connected to the transmission assembly. The flying knife pressure plate is disposed between the two sets of symmetrically arranged support assemblies and is supported by the support assemblies. The knife assembly is located at the flying knife pressure plate, and the position of the flying knife is defined by the flying knife pressure plate.

4. The flying knife cutoff device of claim 3, wherein The transmission assembly includes at least a first transmission belt connected to the first drive mechanism, a first transmission wheel sleeved with the first transmission belt, eccentric wheels coaxially arranged with the first transmission wheel and symmetrically arranged on both sides of the frame, lifting forks connected to the two eccentric wheels respectively, and a transmission rod connecting the two eccentric wheels.

5. The flying knife cutoff device of claim 4, wherein, The transmission assembly also includes an adjustment assembly, which consists of two symmetrically arranged sets. Each set of the adjustment assembly has at least an adjustment seat and an adjustment hole. The bottom of the adjustment seat is connected to the lifting fork, and the adjustment hole is provided on the seat body of the adjustment seat. The bottom of the support assembly is installed in the adjustment hole through a bearing assembly, and the position of the support assembly can be finely adjusted through the adjustment hole.

6. The flying knife cutoff device of claim 5, wherein, The lifting fork has a Y-shaped structure. The bottom of the adjustment seat is installed between the two support parts of the upper part of the Y-shaped structure of the lifting fork and is connected by a bearing structure. The lower support part of the Y-shaped structure of the lifting fork is connected to the mounting seat of the eccentric wheel.

7. The flying knife cutoff device of claim 5, wherein Each set of the support components has at least one pressure plate column connected to the adjustment seat of the transmission component. The flying knife pressure plate is disposed between the pressure plate columns of the two sets of the support components. A guide plate is disposed above the flying knife pressure plate between the two pressure plate columns. The guide plate has a guide protrusion. The guide protrusion cooperates with the sliding groove of the cutter seat. The cutter seat can move horizontally along the guide protrusion.

8. The flying knife cutoff device of claim 7, wherein, The flying knife pressure plate has a plate-like structure, and the cutter is located between the flying knife pressure plate and the pressure plate column. The side of the cutter seat facing the pressure plate column is flat, and the side of the cutter seat facing the flying knife pressure plate has a stepped structure. The stepped structure of the flying knife pressure plate limits the travel of the cutter seat.

9. The flying knife cutoff device of claim 1 wherein, The fly cutter transverse transmission assembly at least has a second driving mechanism, a synchronous belt, a second transmission wheel synchronously driven with the second driving mechanism through the synchronous belt, and a second transmission belt connected with the second transmission wheel, and the cutter seat is connected with the second transmission belt to drive the cutter seat to move in the transverse direction.

10. A bag making machine characterized by, The bag making machine is provided with the fly cutter cutting device as claimed in any one of claims 1-9, to efficiently complete the cutting work of the packaging bag film material.

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