EVA foam sheet four-edge cutting machine
By designing limiting and correcting components and combining them with servo motor drive, precise positioning and stable cutting of EVA foam sheets are achieved, solving the problems of inaccurate material positioning and cutting errors in traditional cutting equipment, and improving product quality and production efficiency.
Patent Information
- Application Number
- CN202520075179.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional cutting equipment struggles to ensure precise positioning and neat cut edges of EVA foam sheets, resulting in low product quality and efficiency. Furthermore, the material is prone to displacement and cutting errors during the cutting process.
The cutter uses a limit and correction component in conjunction with a cutter. The limit and correction frame, driven by a cylinder and a servo motor, accurately positions and stably cuts the material. The auxiliary moving component uses a chain drive structure to achieve stable material transport and cutting.
It achieves precision and stability in the four-sided cutting of EVA foam sheets, avoids material displacement and uneven cutting during the cutting process, and improves product qualification rate and production efficiency.
Smart Images

Figure CN223749717U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cutting machine technical field, concretely is a kind of EVA bubble cotton sheet four edge cutting machine. BACKGROUND
[0002] EVA bubble cotton sheet is a kind of polymer material widely used in electronic, packaging, cushioning and other fields, it has good cushioning performance, chemical resistance and excellent heat preservation performance, in production process, cutting of EVA bubble cotton sheet is one of key process steps, it directly influences the quality and production efficiency of product.
[0003] However, traditional cutting equipment is often difficult to ensure the accurate positioning of material during cutting, resulting in uneven cutting edge, affecting the appearance and use performance of product, and the existing cutting equipment when processing material, cutting error may be caused due to irregular movement or deformation of material, reduce the qualified rate of product, in addition, when the staff moves sheet to conveying belt, the position of sheet needs to be adjusted, often manually adjusted, and the efficiency is low, therefore, a kind of EVA bubble cotton sheet four edge cutting machine is needed to solve the existing deficiency. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of EVA bubble cotton sheet four edge cutting machines, be limited to the component of being set, it is favorable to the end of material is smoothly cut, avoid material displacement during cutting;By setting the auxiliary moving component, after being corrected by correction frame, avoid the situation that one side of material is cut too much while the other side is cut less.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of EVA bubble cotton sheet four edge cutting machine, including conveying belt, the top end of the conveying belt is placed with raw material, the rear end of the conveying belt is provided with support frame, cutting device is installed on the support frame, for the front end and rear end cutting of raw material, the inner side of the support frame is movably connected with fixed connection limit component, and limit component is connected with the surface of raw material, the inner side of the support frame movably connects with correction component, and correction component is connected with the side of raw material, the front end of the conveying belt is provided with support plate on both sides, the opposite side of the support plate auxiliary moving component, and auxiliary moving component is movably connected with the surface of raw material, the inner side of the support plate is movably connected with cutting wheel by pivot, for the side cutting of raw material.
[0006] The utility model further sets up, the spacing assembly fixed plate, air cylinder, connecting rod and pressing plate, the fixed plate fixed connection in the inside of support frame, the bottom fixed connection of fixed plate has a group of symmetry air cylinder, and the telescopic end of air cylinder all is fixedly connected with connecting rod, the bottom all is fixedly connected with the top of pressing plate of connecting rod, and the bottom of pressing plate and the surface of raw material are pasted.
[0007] The utility model further sets up, the correction assembly includes drive rod and correction frame, the drive rod is through bearing swing joint in the inside of support frame, and correction frame is symmetrically set up, the outside of drive rod is set up with a group of symmetry screw threads, drive rod penetrates the top of correction frame, and drive rod is connected with correction frame screw thread.
[0008] The utility model further sets up, the outside of support frame is fixedly connected with servo motor no.
[0009] The utility model further sets up, the auxiliary movement subassembly includes movement belt one, movement belt two, rotation link one and rotation link two, the inside of movement belt one and the inside of movement belt two all are set up with rotation link one and rotation link two, movement belt one is close to support frame, and cutting wheel is located the opposite side of movement belt one and movement belt two, rotation link one, rotation link two and movement belt one constitute chain transmission structure, and rotation link one, rotation link two and movement belt two constitute chain transmission structure, rotation link one and rotation link two all are through bearing swing joint in the opposite side of support plate.
[0010] The utility model further sets up, the auxiliary movement subassembly still includes rotation link three, synchronous pulley one, synchronous pulley two and synchronous belt, both ends of rotation link one all are fixedly connected with synchronous pulley one, both ends of rotation link three all are fixedly connected with synchronous pulley two, the outside of adjacent synchronous pulley one and synchronous pulley two all are set up with synchronous belt, and synchronous pulley one, synchronous pulley two and synchronous belt constitute chain transmission structure, the shape of synchronous belt is triangle.
[0011] The utility model further sets up, rotation link three is through bearing swing joint in the opposite side of support plate, the outside of support plate is fixedly connected with servo motor no.
[0012] Compared with the prior art, the EVA foam sheet four-edge cutting machine has the following beneficial effects:
[0013] 1. The utility model discloses a limiting assembly, utilize the telescopic end of air cylinder to extend downward, push the connecting rod to move downward, push the pressing plate to move downward, until the bottom end of pressing plate holds the top of material, effectively adjust the material position to correct direction, and through the mode of holding, it is favorable to the end of material and is cut smoothly, avoid the material displacement in the cutting process.
[0014] 2. The utility model discloses an auxiliary moving assembly, the part of raw material cutting is completed and moves with movable contact no. 2, and the raw material continues to move forward, until the raw material side cutting is completed, effectively guarantee the stability of material when cutting the side, make it stable to the front, and after the correction frame is corrected, avoid the situation that one side of material cuts too much and the other side cuts less. DRAWINGS
[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0016] Figure 2 It is another visual angle structure schematic diagram of the utility model;
[0017] Figure 3 It is the limiting assembly and correction assembly structure schematic diagram of the utility model;
[0018] Figure 4 It is the auxiliary moving assembly structure schematic diagram of the utility model.
[0019] In the drawing: 1, conveying belt; 2, raw material; 3, support frame; 4, cutting device; 5, limiting assembly; 501, fixed plate; 502, air cylinder; 503, connecting rod; 504, pressing plate; 6, correction assembly; 601, drive rod; 602, correction frame; 7, support plate; 8, auxiliary moving assembly; 801, movable belt one; 802, movable belt two; 803, rotary rod one; 804, rotary rod two; 805, rotary rod three; 806, synchronous pulley one; 807, synchronous pulley two; 808, synchronous belt; 9, cutting wheel; 10, servo motor one; 11, servo motor two. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model.
[0021] As Figures 1-4As shown, the utility model provides a technical scheme: a kind of EVA bubble cotton sheet four-edge cutting machine, including conveyor belt 1, and the top end of conveyor belt 1 is placed with raw material 2, and the rear end of conveyor belt 1 is provided with support frame 3, and cutting device 4 is installed on support frame 3, for the front end and rear end cutting of raw material 2, and the inner side of support frame 3 is movably connected with fixedly connected limit component 5, and limit component 5 is connected with the surface of raw material 2, and the inner side of support frame 3 movably connects with correction component 6, and correction component 6 is connected with the side of raw material 2, and the front end of conveyor belt 1 is provided with support plate 7 on both sides, and the opposite side of support plate 7 is provided with auxiliary moving component 8, and auxiliary moving component 8 is movably connected with the surface of raw material 2, and the inner side of support plate 7 is movably connected with cutting wheel 9 by pivot, for the side cutting of raw material 2, material is cut in front and back first, and cutting is carried out on both sides simultaneously, and all are carried out by rolling cutting knife.
[0022] As Figure 1 And Figure 3 As shown, limit component 5 fixed plate 501, air cylinder 502, connecting rod 503 and pressing plate 504, fixed plate 501 is fixedly connected to the inner side of support frame 3, and the bottom end of fixed plate 501 is fixedly connected with a group of symmetrical air cylinder 502, and the telescopic end of air cylinder 502 is fixedly connected with connecting rod 503, and the bottom end of connecting rod 503 is fixedly connected to the top end of pressing plate 504, and the bottom end of pressing plate 504 is in close contact with the surface of raw material 2, and correction component 6 includes drive rod 601 and correction frame 602, drive rod 601 is movably connected to the inner side of support frame 3 by bearing, and correction frame 602 is symmetrically arranged, a group of symmetrical threads are formed on the outer side of drive rod 601, drive rod 601 penetrates the top end of correction frame 602, and drive rod 601 is screw-connected with correction frame 602, and servo motor one 10 is fixedly connected to the outer side of support frame 3, and the output end of servo motor one 10 is fixedly connected with the end of drive rod 601, and correction frame 602 is movably sleeved on the outer side of fixed plate 501, and correction frame 602 is movably sleeved on the outer side of pressing plate 504.
[0023] Start servo motor one 10, drive drive rod 601 to rotate in the inner side of support frame 3, because drive rod 601 is screw-connected with correction frame 602, and support frame 3 limits the moving direction of correction frame 602, so that correction frame 602 is close to each other, and at the same time close to the side of raw material 2, so as to adjust the position of raw material 2, so that its side is parallel to the side of conveyor belt 1, and is located in the middle position of conveyor belt 1, then, the telescopic end of air cylinder 502 is elongated downward, pushing connecting rod 503 to move downward, pushing pressing plate 504 to move downward, until the bottom end of pressing plate 504 holds the top of material, effectively adjusting the material position to correct direction, and by holding, it is beneficial to smoothly cut the end of material, avoid displacement of material during cutting process.
[0024] As Figure 1 and Figure 3 shown, the auxiliary moving assembly 8 includes a moving belt one 801, a moving belt two 802, a rotating rod one 803 and a rotating rod two 804, the inner side of the moving belt one 801 and the inner side of the moving belt two 802 are provided with the rotating rod one 803 and the rotating rod two 804, the moving belt one 801 is close to the support frame 3, and the cutting wheel 9 is located at the opposite side of the moving belt one 801 and the moving belt two 802, the rotating rod one 803, the rotating rod two 804 and the moving belt one 801 constitute a chain transmission structure, and the rotating rod one 803, the rotating rod two 804 and the moving belt two 802 constitute a chain transmission structure, the rotating rod one 803 and the rotating rod two 804 are movably connected to the opposite sides of the support plate 7 through bearings, the auxiliary moving assembly 8 further includes a rotating rod three 805, a synchronous wheel one 806, a synchronous wheel two 807 and a synchronous belt 808, both ends of the rotating rod one 803 are fixedly connected with the synchronous wheel one 806, both ends of the rotating rod three 805 are fixedly connected with the synchronous wheel two 807, the outer sides of the adjacent synchronous wheel one 806 and the synchronous wheel two 807 are sleeved with the synchronous belt 808, and the synchronous wheel one 806, the synchronous wheel two 807 and the synchronous belt 808 constitute a chain transmission structure, the shape of the synchronous belt 808 is triangular, the rotating rod three 805 is movably connected to the opposite sides of the support plate 7 through a bearing, and the outer side of the support plate 7 is fixedly connected with a servo motor two 11, and the output end of the servo motor two 11 is fixedly connected with the rotating shaft of the rotating rod three 805.
[0025] Start the servo motor two 11, drive the rotating rod three 805 and the synchronous wheel two 807 to rotate, under the action of the synchronous belt 808, make the two synchronous wheel one 806 synchronous rotation, and under the action of the rotating rod two 804, make the moving belt one 801 and the moving belt two 802 synchronous transmission, because the conveyor belt 1 is closer to the support frame 3, first, the raw material 2 is in contact with the conveyor belt 1, which provides downward pressure to the raw material 2, the outer side of the support plate 7 is provided with a motor for driving the cutting wheel 9 to rotate, so as to cut the raw material 2 on both sides at the same time, the part of the raw material 2 cut is in contact with the moving belt two 802, which helps the raw material 2 to move forward, until the side cutting of the raw material 2 is completed, effectively ensuring the stability of the material during side cutting, making it stable forward, and after correction by the correction frame 602, avoiding the situation that one side of the material is cut too much and the other side is cut less.
[0026] Working principle: in use, first, the worker places the raw material 2 on the conveying belt 1, moves the front end of the raw material 2 to the bottom end of the supporting frame 3 through the conveying belt 1, then starts the servo motor one 10, drives the driving rod 601 to rotate on the inner side of the supporting frame 3, since the driving rod 601 is screwed with the correction frame 602, and the supporting frame 3 limits the moving direction of the correction frame 602, so that the correction frame 602 approaches each other, and at the same time approaches the side of the raw material 2, thereby adjusting the position of the raw material 2, so that the side thereof keeps parallel with the side of the conveying belt 1 and is located at the middle position of the conveying belt 1, then the extension end of the air cylinder 502 extends downward, pushes the connecting rod 503 to move downward, pushes the pressing plate 504 to move downward, until the bottom end of the pressing plate 504 holds the top of the material, then the front end of the raw material 2 can be cut by the cutter 4, so that the front end thereof is flat, after completion, the restriction is released, the raw material 2 continues to move forward by the conveying belt 1, until the rear end of the raw material 2 moves to the inner side of the supporting frame 3, the rear end of the raw material 2 is cut by the same operation; then, the raw material 2 moves forward along with the conveying belt 1, so as to pass through the opposite side of the supporting plate 7, so that the servo motor two 11 is started along with the movement of the conveying belt 1, drives the rotating rod three 805 and the synchronous wheel two 807 to rotate, under the action of the synchronous belt 808, the two synchronous wheels one 806 rotate synchronously, and under the action of the rotating rod two 804, the moving belt one 801 and the moving belt two 802 are synchronously driven, since the conveying belt 1 is closer to the supporting frame 3, first, the raw material 2 is in contact with the conveying belt 1, providing downward pressure to the raw material 2, the outer side of the supporting plate 7 is provided with a motor for driving the cutting wheel 9 to rotate, so as to cut the two sides of the raw material 2 at the same time, the cut part of the raw material 2 is in contact with the moving belt two 802, assisting the raw material 2 to continue to move forward, until the cutting of the side of the raw material 2 is completed.
[0027] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
Claims
1. An EVA foam sheet four-side cutting machine comprising a conveyor belt (1), characterized in that: The top end of the conveying belt (1) is provided with raw materials (2), the rear end of the conveying belt (1) is provided with a support frame (3), a cutting device (4) is installed on the support frame (3) for cutting the front end and the rear end of the raw materials (2), the inner side of the support frame (3) is movably connected with a limiting assembly (5) which is fixedly connected with the surface of the raw materials (2), the inner side of the support frame (3) is movably connected with a correcting assembly (6) which is connected with the side edge of the raw materials (2), the front end of the conveying belt (1) is provided with a support plate (7) on both sides, the opposite side of the support plate (7) is provided with an auxiliary moving assembly (8) which is movably connected with the surface of the raw materials (2), and the inner side of the support plate (7) is movably connected with a cutting wheel (9) through a rotating shaft for cutting the side edge of the raw materials (2).
2. The EVA foam sheet four-side cutting machine according to claim 1, characterized in that: The limiting assembly (5) includes a fixed plate (501), a cylinder (502), a connecting rod (503) and a pressing plate (504), the fixed plate (501) is fixedly connected to the inner side of the support frame (3), a group of symmetrical cylinders (502) are fixedly connected to the bottom end of the fixed plate (501), the telescopic ends of the cylinders (502) are fixedly connected with the connecting rods (503), and the bottom ends of the connecting rods (503) are fixedly connected to the top ends of the pressing plates (504), and the bottom ends of the pressing plates (504) are in close contact with the surface of the raw materials (2).
3. The EVA foam sheet four-side cutting machine according to claim 1, characterized in that: The correcting assembly (6) includes a driving rod (601) and a correcting frame (602), the driving rod (601) is movably connected to the inner side of the support frame (3) through a bearing, and the correcting frame (602) is symmetrically arranged, a group of symmetrical threads are formed on the outer side of the driving rod (601), the driving rod (601) penetrates the top end of the correcting frame (602), and the driving rod (601) is threadedly connected with the correcting frame (602).
4. The EVA foam sheet four-side cutting machine according to claim 3, characterized in that: The outer side of the support frame (3) is fixedly connected with a servo motor (10), the output end of the servo motor (10) is fixedly connected with the end of the driving rod (601), the correcting frame (602) is movably sleeved on the outer side of the fixed plate (501), and the correcting frame (602) is movably sleeved on the outer side of the pressing plate (504).
5. The EVA foam sheet four-side cutting machine according to claim 1, characterized in that: The auxiliary moving assembly (8) includes a moving belt one (801), a moving belt two (802), a rotating rod one (803) and a rotating rod two (804), the rotating rod one (803) and the rotating rod two (804) are arranged through the inner sides of the moving belt one (801) and the moving belt two (802), the moving belt one (801) is close to the support frame (3), and the cutting wheel (9) is located on the opposite side of the moving belt one (801) and the moving belt two (802), the rotating rod one (803), the rotating rod two (804) and the moving belt one (801) constitute a chain transmission structure, the rotating rod one (803), the rotating rod two (804) and the moving belt two (802) constitute a chain transmission structure, and the rotating rod one (803) and the rotating rod two (804) are movably connected to the opposite sides of the support plate (7) through bearings.
6. The EVA foam sheet four-side cutting machine according to claim 5, characterized in that: The auxiliary moving assembly (8) further comprises a rotating rod three (805), a synchronous wheel one (806), a synchronous wheel two (807) and a synchronous belt (808), both ends of the rotating rod one (803) are fixedly connected with the synchronous wheel one (806), both ends of the rotating rod three (805) are fixedly connected with the synchronous wheel two (807), the outer sides of the adjacent synchronous wheel one (806) and synchronous wheel two (807) are sleeved with the synchronous belt (808), and the synchronous wheel one (806), the synchronous wheel two (807) and the synchronous belt (808) form a chain transmission structure, and the shape of the synchronous belt (808) is triangular.
7. The EVA foam sheet four-side cutting machine according to claim 6, characterized in that: The rotating rod three (805) is movably connected to the opposite sides of the supporting plate (7) through bearings, the outer side of the supporting plate (7) is fixedly connected with a servo motor two (11), and the output end of the servo motor two (11) is fixedly connected with the rotating shaft of the rotating rod three (805).