An adjustable hot melt glue cutting device

Abstract

The utility model discloses an adjustable hot melt adhesive cutting device belongs to hot melt adhesive processing equipment technical field, aims at solving the problem of the existing technology in the adhesive conveying position easy to deviate, cutting time easy to shift and the poor adaptability of device to different specification adhesive. The device includes frame, conveyer belt and cutting knife, be equipped with the rectification mechanism and fixed mechanism on the frame. The rectification mechanism includes handle, screw rod and fixed rod, the handle rotates the screw rod, drives the fixed rod and the guide wheel of its bottom to carry out horizontal position adjustment, to adapt to different specification adhesive and carry out dynamic rectification. The utility model discloses through the synergies of adjustable rectification mechanism and elastic fixed mechanism, has realized the compatibility to various specification adhesive, and effectively avoided the adhesive shift when cutting, improved the cutting accuracy and production efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of hot melt adhesive processing equipment, and in particular to an adjustable hot melt adhesive cutting device. Background Technology

[0002] Hot melt adhesive, as an important adhesive raw material, is often processed into strips or blocks for storage and use. In industrial production, precisely cutting large blocks of hot melt adhesive to a fixed length is a key step in subsequent processing.

[0003] Existing hot melt adhesive cutting devices typically employ a conveyor belt system with a cylinder-driven cutter. However, these devices face significant technical bottlenecks in practical applications. First, during conveyor belt transport, the irregular shape of the hot melt adhesive material, or the friction from the guide structures on both sides, easily leads to lateral displacement. This results in inaccurate positioning of the material upon entering the cutting station, directly impacting cutting precision. Second, due to the inherent toughness of hot melt adhesive, the material is prone to slight displacement or elastic deformation under the powerful shearing force at the moment of contact with the high-speed cutter. This unstable displacement during cutting leads to inaccurate final cutting lengths and uneven cut surfaces, severely affecting product quality and production efficiency.

[0004] Especially when dealing with hot melt adhesive materials of different widths and specifications, the existing equipment's correction and fixing mechanisms are often fixed or difficult to adjust quickly. Operators need to spend a lot of time manually adjusting or replacing parts, resulting in poor equipment compatibility, long production preparation time, and inability to meet the flexible and multi-variety production needs of modern industry.

[0005] Therefore, this utility model proposes an adjustable hot melt adhesive cutting device, which aims to solve the technical shortcomings of the prior art, such as the positional deviation of hot melt adhesive during transportation, the unstable displacement of adhesive during cutting, and the poor adaptability of the device to adhesives of different specifications. Utility Model Content

[0006] To overcome the above shortcomings, this utility model provides an adjustable hot melt adhesive cutting device, which aims to improve the problems in the prior art where hot melt adhesive materials are prone to positional shifts and displacements during the conveying and cutting process, as well as the poor adaptability of the device to different specifications of adhesive materials.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable hot melt adhesive cutting device, comprising a frame, a conveyor belt and a cutter, wherein the conveyor belt is horizontally mounted on the frame, and the cutter is mounted on the top of the frame and driven by a cylinder to perform up-and-down reciprocating motion.

[0008] The frame is equipped with a correction mechanism and a fixing mechanism.

[0009] The alignment mechanism is used to adjust the lateral position of the rubber material on the conveyor belt. The mechanism includes a fixed plate, a handle, a screw, a fixed rod, a fixed post, and a guide wheel. The handle is rotatably connected to the fixed plate, and the screw is fixedly connected to the handle and threadedly fitted to the fixed plate. The fixed rod is slidably connected to the fixed plate and fixedly connected to the end of the screw furthest from the handle; the position of the fixed rod is adjusted laterally as the screw rotates. The guide wheel is rotatably connected to the bottom of the fixed rod via the fixed post.

[0010] The fixing mechanism is used to elastically fix the rubber material before cutting. The fixing mechanism includes a fixing frame, a sliding column, a limiting block, a spring, and a fixing block. The fixing frame is fixedly connected to the bottom of the cutter, and the limiting block is fixedly installed on the inner side of the fixing frame. The sliding column is slidably engaged with the limiting block, and the spring is sleeved on the sliding column. The two ends of the spring abut against the limiting block and the fixing block, respectively. The fixing block is fixedly connected to the bottom of the sliding column.

[0011] The fixing mechanism is fixedly connected to the cutter through the fixing frame and moves up and down synchronously with the cutter. The sliding column and the limiting block inside the fixing mechanism form a longitudinal sliding fit relationship, and the spring provides elastic pre-tightening force to the fixing block, realizing the coordinated action of the fixing block contacting and elastically fixing the rubber material before the cutter.

[0012] Preferably, the downward stroke of the cutter limits the stroke required for the fixing block to contact the adhesive material, so that as the cutter continues to move downward, the fixing frame compresses the spring, thereby enabling the fixing block to produce a continuous elastic fit against the surface of the adhesive material.

[0013] Preferably, the spring is a compression spring, and when the cutter moves upward to reset, the elastic release force of the spring causes the sliding column and the fixed block to retract upward.

[0014] Preferably, the fixing plate is fixedly supported on the side of the conveyor belt, and the guide wheel is positioned between the fixing plate and the conveyor belt.

[0015] Preferably, the outer circumferential side of the guide wheel contacts the side edge of the adhesive material, and the guide wheel rotates as the adhesive material moves.

[0016] Preferably, the pressing surface of the fixing block is a plane adapted to the top of the adhesive material, and the pressing surface is made of an anti-stick material.

[0017] Preferably, the rotation axis of the handle coincides with the axis of the screw, and the rotation of the handle is converted into linear displacement of the fixed rod through the screw.

[0018] Preferably, the fixing post is vertically disposed at the bottom of the fixing rod, and the guide wheel is rotatably sleeved on the outer periphery of the fixing post.

[0019] This utility model has the following beneficial effects:

[0020] 1. This utility model solves the problem of poor adaptability of hot melt adhesive cutting devices to different specifications of adhesive materials by setting an adjustable structure composed of a handle, screw and fixing rod, and achieves the technical effect that the device can be compatible with and quickly switch between multiple width specifications of adhesive materials.

[0021] 2. This utility model solves the problem of positional deviation of rubber material during conveying due to high friction and lack of effective lateral support in the prior art by setting guide wheels. It achieves the technical effect of dynamically and with low friction calibrating the conveying position of rubber material and ensuring accurate positioning for subsequent cutting. Attached Figure Description

[0022] Figure 1 This is a perspective view of an adjustable hot melt adhesive cutting device proposed in this utility model;

[0023] Figure 2 This is a schematic diagram of the guide wheel of an adjustable hot melt adhesive cutting device proposed in this utility model;

[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0026] Legend:

[0027] 1. Frame; 2. Cutter; 3. Conveyor belt; 4. Correction mechanism; 401. Fixing plate; 402. Handle; 403. Screw; 404. Fixing rod; 405. Fixing column; 406. Guide wheel; 5. Fixing mechanism; 501. Fixing frame; 502. Sliding column; 503. Limiting block; 504. Spring; 505. Fixing block. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Reference Figures 1-4This utility model provides an embodiment of an adjustable hot melt adhesive cutting device, comprising a frame 1, a conveyor belt 3, a cutter 2, a correction mechanism 4, and a fixing mechanism 5. The frame 1 serves as the mounting base and supporting body for the entire device. The conveyor belt 3 is horizontally mounted on the frame 1 and is used to transport hot melt adhesive material to the working area. The cutter 2 is mounted on the top of the frame 1 and is driven by a cylinder to reciprocate up and down, used to cut the hot melt adhesive material.

[0030] The correction mechanism 4 and the fixing mechanism 5 are the core innovative components of this device. The correction mechanism 4 is mounted on the frame 1 and located on the side of the conveyor belt 3. It is used to adjust the lateral position of the rubber material during conveying to avoid deviation and ensure the accuracy of cutting. The fixing mechanism 5 is fixedly connected to the cutter 2 and moves up and down together with the cutter 2. It is used to firmly press down and fix the rubber material before the cutter 2 cuts, to prevent the rubber material from shifting during the cutting process.

[0031] The web-aligning mechanism 4 includes a fixed plate 401, a handle 402, a screw 403, a fixed rod 404, a fixed column 405, and a guide wheel 406. The fixed plate 401 is fixedly supported on the side of the conveyor belt 3. The handle 402 is rotatably connected to the fixed plate 401. The screw 403 is fixedly connected to the handle 402 and threadedly engaged with the fixed plate 401. The rotation of the handle 402 is converted into a lateral linear displacement of the fixed rod 404 through the threaded engagement of the screw 403. The fixed rod 404 is slidably connected to the fixed plate 401 and fixedly connected to the end of the screw 403 away from the handle 402. The guide wheel 406 is rotatably connected to the bottom of the fixed rod 404 through the fixed column 405. This structure allows for adjustable lateral position of the guide wheel 406, enabling it to adapt to the web-aligning requirements of different specifications of hot melt adhesive materials.

[0032] The fixing mechanism 5 includes a fixing frame 501, a sliding column 502, a limiting block 503, a spring 504, and a fixing block 505. The fixing frame 501 is fixedly connected to the bottom of the cutter 2, and the limiting block 503 is fixedly installed on the inner side of the fixing frame 501. The sliding column 502 is slidably engaged with the limiting block 503, and the fixing block 505 is fixedly connected to the bottom of the sliding column 502. The spring 504 is sleeved on the sliding column 502, and its two ends abut against the limiting block 503 and the fixing block 505, respectively. The unique feature of the fixing mechanism 5 is that it uses the spring 504 to provide elastic downward pressure for the fixing block 505. When the cutter 2 moves downward, the fixing block 505 contacts the rubber material first. Then, the cutter 2 continues to move downward and compresses the spring 504. The elastic force of the spring 504 ensures that the fixing block 505 is tightly attached to the surface of the rubber material, providing a reliable fixing effect and effectively preventing the rubber material from shifting during cutting.

[0033] The alignment mechanism 4 is used to adjust the conveying position of the rubber material on the conveyor belt 3 and has an adjustable characteristic. The alignment mechanism 4 includes a fixed plate 401, a handle 402, a screw 403, a fixed rod 404, a fixed column 405, and a guide wheel 406. The fixed plate 401 is fixedly supported on the frame 1 and located on the side of the conveyor belt 3, serving as the mounting base for the screw 403 and the fixed rod 404. The handle 402 is rotatably connected to the fixed plate 401, and the screw 403 is fixedly connected to the handle 402 and threadedly engaged with the fixed plate 401. The axis of the screw 403 coincides with the rotation axis of the handle 402.

[0034] The fixing rod 404 is slidably connected to the fixing plate 401 and fixedly connected to the end of the screw 403 away from the handle 402. The rotation of the handle 402 drives the fixing rod 404 to make a lateral linear displacement on the fixing plate 401 through the threaded engagement of the screw 403, thereby realizing the compatibility adjustment of hot melt adhesive materials of different specifications.

[0035] The guide wheel 406 is rotatably connected to the bottom of the fixed rod 404 via the fixed column 405. The fixed column 405 is vertically disposed at the bottom of the fixed rod 404, and the guide wheel 406 is rotatably sleeved on the outer circumference of the fixed column 405. The outer circumferential side of the guide wheel 406 contacts the side of the conveyed rubber material, applying a guiding force during the conveying process. The guide wheel 406 rotates along with the movement of the rubber material, reducing the friction between the rubber material and the correction mechanism 4.

[0036] The fixing mechanism 5 is used to tightly fix the rubber material at the moment of cutting, ensuring the cutting accuracy. The fixing mechanism 5 includes a fixing frame 501, a sliding column 502, a limiting block 503, a spring 504, and a fixing block 505. The fixing frame 501 is fixedly connected to the bottom of the cutter 2, ensuring that the fixing mechanism 5 and the cutter 2 move downward synchronously. The limiting block 503 is fixedly installed on the inner side of the fixing frame 501, and the sliding column 502 slides in conjunction with the limiting block 503, which limits the sliding column 502 to only longitudinal reciprocating motion.

[0037] The fixing block 505 is fixedly connected to the bottom of the sliding column 502. The pressing surface of the fixing block 505 is a plane adapted to the top of the adhesive material, and this pressing surface can be made of an anti-stick material. The spring 504 is a compression spring, sleeved on the sliding column 502. The two ends of the spring 504 abut against the bottom surface of the limiting block 503 and the top surface of the fixing block 505, respectively. When compressed, the spring 504 provides a downward elastic force to the fixing block 505. This structure, through sliding fit and spring preload, forms a unique flexible fixing mechanism, effectively solving the displacement problem during hot melt adhesive cutting.

[0038] In a preferred embodiment, the downward stroke of the cutter 2 is precisely limited so that its downward distance is greater than the stroke required for the fixing block 505 to contact the top of the rubber material. With this design, as the cutter 2 continues to move downward, the fixing bracket 501 will further compress the spring 504. After the spring 504 is compressed, it generates an elastic force that presses the fixing block 505 tightly and flexibly against the surface of the rubber material, thereby ensuring that the fixing block 505 can elastically fit the rubber material and providing reliable fixation.

[0039] As another preferred embodiment, the spring 504 is preferably a compression spring. After being compressed, the compression spring 504 stores elastic potential energy. When the cutter 2 completes the cutting task and moves upward to reset, the fixing frame 501 moves upward with the cutter 2, and the elastic force of the spring 504 is released. The elastic release force drives the sliding column 502 and the fixing block 505 to move upward back to the initial position, thereby releasing the fixing state of the rubber material.

[0040] In another preferred embodiment, the fixing plate 401 is fixedly supported on the side of the conveyor belt 3, and the guide wheel 406 is positioned in the conveying channel between the fixing plate 401 and the conveyor belt 3 by the fixing rod 404 and the fixing column 405. This ensures that the guide wheel 406 can effectively contact and adjust the side position of the rubber material.

[0041] In another preferred embodiment, the outer circumferential side of the guide wheel 406 contacts the side of the rubber material, and the contact surface between the guide wheel 406 and the rubber material is a circumferential surface to minimize contact friction. The guide wheel 406 will rotate freely as the rubber material moves longitudinally.

[0042] In another preferred embodiment, the pressing surface of the fixing block 505 is preferably a planar structure, which maintains full contact with the top of the adhesive. To prevent the hot melt adhesive from sticking to the fixing block 505, the pressing surface of the fixing block 505 can be made of an anti-stick material, such as having a Teflon coating on its surface.

[0043] As another preferred embodiment, the rotation axis of the handle 402 coincides with the axis of the screw 403. The rotation of the handle 402 is converted into a precise linear displacement of the fixed rod 404 through a threaded engagement mechanism. This structure ensures the accuracy and stability of the correction mechanism 4 when adjusting its position.

[0044] In another preferred embodiment, the fixing post 405 is vertically disposed at the bottom of the fixing rod 404, and the guide wheel 406 is rotatably sleeved on the outer periphery of the fixing post 405. The function of the fixing post 405 is to provide a stable rotation axis so that the guide wheel 406 can rotate flexibly.

[0045] Working principle: Hot melt adhesive is conveyed to the cutting area by conveyor belt 3. During the conveying process, the correction mechanism 4 adjusts the position of the adhesive to prevent deviation.

[0046] When it is necessary to adjust the rubber material of different specifications, the operator turns the handle 402, which drives the screw 403 to rotate on the fixed plate 401. The threaded engagement of the screw 403 converts the rotation into a lateral linear displacement of the fixed rod 404, which then slides and adjusts its position. The guide wheel 406 is rotatably connected to the bottom of the fixed rod 404 through the fixed column 405. When the rubber material deviates during conveying on the conveyor belt 3, the outer circumferential side of the guide wheel 406 applies a guiding force to the rubber material and rotates along with the movement of the rubber material, reducing the friction during the movement of the rubber material. Combined with the fixed support of the fixed plate 401, this completes the correction operation of the rubber material, ensuring the accuracy of subsequent cutting processes.

[0047] After the rubber material is corrected by the correction mechanism 4 and conveyed to the cutting station, the cylinder at the top of the frame 1 drives the cutter 2 and the fixing mechanism 5 to move downwards simultaneously. Before the cutter 2 cuts, the fixing mechanism 5 first fixes the rubber material.

[0048] As the cutter 2 moves downwards, the fixing frame 501 drives the sliding column 502 to move along the limiting direction of the limiting block 503. When the fixing block 505 contacts the top of the rubber material, it presses it down and fixes it. Subsequently, the cutter 2 continues to move downwards, causing the fixing frame 501 to compress the spring 504.

[0049] The spring 504 is compressed and generates an elastic force, causing the fixing block 505 to fit tightly against the surface of the rubber material, providing reliable elastic fixation and preventing the rubber material from shifting during cutting. Then, the cutter 2 continues to move downwards, completing the cutting of the rubber material.

[0050] After cutting, the cutter 2 moves upward to reset. The elastic force of the spring 504 is then released, causing the sliding column 502 and the fixing block 505 to retract upward, releasing the fixing of the rubber material so that the cut rubber material can be pushed to the discharge end, completing one work cycle.

Claims

1. An adjustable hot melt adhesive cutting device, comprising: The frame (1), conveyor belt (3), and cutter (2); The conveyor belt (3) is horizontally mounted on the frame (1); The cutter (2) is mounted on the top of the frame (1) and is driven by a cylinder to move up and down reciprocally; Its features are: The frame (1) is equipped with a correction mechanism (4) and a fixing mechanism (5); The correction mechanism (4) is used to adjust the position of the adhesive on the conveyor belt (3). The correction mechanism (4) includes: a handle (402) rotatably connected to a fixed plate (401); a screw (403) fixedly connected to the handle (402) and threadedly fitted to the fixed plate (401); a fixed rod (404) slidably connected to the fixed plate (401) and fixedly connected to the end of the screw (403) away from the handle (402), the position of the fixed rod (404) being adjusted laterally as the screw (403) rotates; and a guide wheel (406) rotatably connected to the bottom of the fixed rod (404) via a fixed column (405). The fixing mechanism (5) is used to fix the adhesive material before cutting. The fixing mechanism (5) includes: a fixing frame (501) which is fixedly connected to the bottom of the cutter (2); a limiting block (503) which is fixedly installed on the inner side of the fixing frame (501); a sliding column (502) which is slidably engaged with the limiting block (503); and a spring (504) which is sleeved on the sliding column (502). The two ends of the spring (504) abut against the limiting block (503) and the fixing block (505) respectively. The fixing block (505) is fixedly connected to the bottom of the sliding column (502).

2. The adjustable hot melt glue cutting device of claim 1, wherein, The downward stroke of the cutter (2) is greater than the stroke required for the fixing block (505) to contact the adhesive material, so that when the cutter (2) continues to move downward, it compresses the spring (504) through the fixing frame (501), thereby enabling the fixing block (505) to elastically fit the surface of the adhesive material.

3. The adjustable hot melt glue cutting apparatus of claim 1, wherein, The spring (504) is a compression spring. When the cutter (2) moves upward to reset, the elastic release force of the spring (504) drives the sliding column (502) and the fixed block (505) to move upward back.

4. The adjustable hot melt glue cutting apparatus of claim 1, wherein, The fixing plate (401) is fixedly supported on the side of the conveyor belt (3), and the guide wheel (406) is located between the fixing plate (401) and the conveyor belt (3).

5. The adjustable hot melt adhesive cutting device according to claim 1, characterized in that, The outer circumferential side of the guide wheel (406) contacts the side of the rubber material, and the guide wheel (406) rotates as the rubber material moves.

6. The adjustable hot melt adhesive cutting device according to claim 1, characterized in that, The pressing surface of the fixing block (505) is a plane that is adapted to the top of the adhesive material, and the pressing surface is made of an anti-stick material.

7. The adjustable hot melt adhesive cutting device according to claim 1, characterized in that, The rotation axis of the handle (402) coincides with the axis of the screw (403), and the rotation of the handle (402) is converted into the linear displacement of the fixed rod (404) through the screw (403).

8. The adjustable hot melt adhesive cutting device according to claim 1, characterized in that, The fixing post (405) is vertically disposed at the bottom of the fixing rod (404), and the guide wheel (406) is rotatably sleeved on the outer periphery of the fixing post (405).

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