Pre-buried groove position forming device of PET foam composite structure

Abstract

The utility model relates to the technical field of foam pre-embedded groove forming, in particular to a pre-embedded groove position forming device of a PET foam composite structure, which comprises a bottom plate, a top plate and a grooving assembly, side clamping assemblies are arranged on four side edges of the bottom plate, and sliding columns are longitudinally and slidably arranged at symmetrical positions of the top plate on two sides of the grooving assembly in a penetrating manner. A connecting base is installed on the portion, located below the top plate, of the sliding column, and movable pressing plates are slidably arranged at the symmetrical positions, located on the two sides of the grooving assembly, between the two fixed pressing plates. In the process that the grooving assembly moves to carry out grooving, the grooving periphery of the foam composite structure is always in a compressed state, the situations that the grooving portion of the foam composite structure is prone to upwarp, local deformation is too large and the like are effectively avoided, the strength of the foam structure near the grooving is further prevented from being affected, and the service life of the foam composite structure is prolonged. And on the other hand, the situation that the groove position deviates in direction or is different in depth is avoided, the forming quality of the groove position is improved, and then the embedding and fitting degree of the reinforcing ribs in the follow-up process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of foam pre-embedded slot opening, in particular to a pre-embedded slot opening device of a PET foam composite structure. Background Art

[0002] CFRT material, which stands for continuous fiber reinforced thermoplastic, is a composite material made by evenly dispersing continuous fibers and arranging them side by side in the same direction, and then impregnating and bonding them with thermoplastics. It is a lightweight and high-strength material, mostly used to reinforce the structure of other materials. Polyethylene terephthalate, or PET, is the most produced and inexpensive variety of thermoplastic polyester. It has excellent physical, chemical and mechanical properties and is widely used in three major areas: synthetic fibers, biaxially oriented films and polyester bottles. After foaming, PET has the advantages of light weight, high rigidity, good electrical insulation and good thermal and sound insulation properties. It is widely used as a foam material. The molecular structure of PET plastic is highly symmetrical and has a certain crystal orientation. Ability, so it has high film-forming property and formability. PET plastic has good optical properties and weather resistance. Amorphous PET plastic has good optical transparency. In addition, PET plastic has excellent wear resistance, friction resistance, dimensional stability and electrical insulation. In the foam material, in order to improve the overall foam performance, some reinforcing ribs are often inserted between the two layers of foam composite structure. In order to improve the fit between the reinforcing ribs and the foam composite structure, it is often necessary to pre-open embedded slots in the single-layer foam structure. As an extended structure, the CFRT+PET foam+CFRT sandwich composite structure needs to add reinforcing ribs between layers to improve the overall strength.

[0003] The pre-embedded slots of the foam composite structure are often opened by a slotting knife. Generally, the slots are long and have a semicircular cross-section. In this way, when two foam structures are composited, circular holes for the reinforcing ribs to be inserted can be formed. However, in actual opening, the foam composite structure is often fixed to the table only by the side clamping assembly fixed on the side. In the process of the slotting knife advancing from one side to the other and opening the slot, due to the lack of a clamping structure near the slotting knife, the foam composite structure is prone to warping and excessive local deformation at the slot opening position under the pushing stress of the slotting knife. On the one hand, it affects the strength of the foam structure near the slot. On the other hand, it is easy to cause the slot direction to deviate or the depth to be uneven, resulting in poor slot opening quality, which affects the subsequent embedding of the reinforcing ribs.

[0004] Therefore, it is necessary to invent a pre-buried slot opening device for a PET foam composite structure to solve the above problems. Utility Model Content

[0005] In order to solve the shortcomings of the existing technology, the purpose of the utility model is to provide a pre-embedded slot opening device for a PET foam composite structure, which solves the problem in the existing technology that due to the lack of a clamping structure near the slotting knife, the foam composite structure is prone to upward warping and excessive local deformation at the slot opening position under the pushing stress of the slotting knife. On the one hand, it affects the strength of the foam structure near the slot, and on the other hand, it is easy to cause the slot direction to deviate or the depth to be uneven, resulting in poor slot opening quality and affecting the subsequent embedding of reinforcing ribs.

[0006] In order to achieve the above objectives, the present invention adopts the following technical solutions:

[0007] The cam is secured to the upper edge of the base plate and secured to the lower edge of the base plate by a spring, the cam being secured to the lower edge of the base plate and secured to the lower edge of the base plate by a spring.

[0008] When the constant pressure plate contacts the foam composite structure, the slotted assembly is in a suspended state; when the top plate moves further downward, the sliding column slides upward and compresses the spring.

[0009] As a preferred solution of the present invention, a first slide rail is installed on the bottom surface of the top plate along its centerline direction, and the grooving assembly includes a first slide seat that can slide along the first slide rail, a vertical rod installed in the middle of the bottom end of the first slide seat, and a grooving knife installed at the bottom end of the vertical rod and used for grooving.

[0010] As a preferred solution of the present invention, a plurality of drain grooves are provided upwardly on the bottom sides of the fixed pressure plate and the dynamic pressure plate.

[0011] As a preferred solution of the present invention, a square groove is opened in one of the dynamic pressure plates, and the connecting assembly includes a first connecting column installed on the side wall of the vertical rod and a first slider installed at the other end of the first connecting column and capable of sliding longitudinally along the square groove.

[0012] As a preferred solution of the present invention, a second slide rail is installed on the top of each fixed pressure plate, and a second slide seat that can slide along the second slide rail is installed on the top of the dynamic pressure plate. The two dynamic pressure plates are connected by multiple second connecting columns, and the distance between the two dynamic pressure plates and the slotting knife is consistent.

[0013] As a preferred solution of the present invention, longitudinally retractable lifting members are installed at the four corners of the top surface of the bottom plate, and the other ends of the lifting members are detachably connected to the corners of the top plate.

[0014] As a preferred solution of the present invention, guide grooves are opened inwardly in the middle of the four sides of the base plate, and a sealing plate is removably embedded at the end of each guide groove. A screw is threaded through the inner thread of the sealing plate, and the other end of the screw is rotatably abutted against the base plate. The side clamping assembly includes a second slider threaded on the screw and capable of sliding along the guide groove, a side clamping plate installed on the top end of the second slider, and a buffer pad installed on one side wall of the side clamping plate and capable of abutting against the side wall of the foam composite structure. A rotating bracket is installed at the end of the screw located outside the base plate.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] In the present invention, the foam composite structure is fixed to the top surface of the bottom plate by four side clamping assemblies, and then the embedded slot is opened. During the opening process, the top plate moves downward so that the slotted assembly gradually approaches the foam composite structure. First, the bottom end of the fixed pressure plate and the bottom end of the dynamic pressure plate abut against the top of the foam composite structure. In the process of further downward movement, the slotted assembly in the suspended state moves closer to the foam composite structure. During this process, the sliding column slides along the top plate and gradually compresses the spring, so that the fixed pressure plate and the dynamic pressure plate are always in contact with the foam composite structure and are pressed tightly. When the slotted assembly moves down to the slotting height, the connecting assembly moves down along one of the dynamic pressure plates to avoid interference. Then the slotted assembly slides along the top plate from one side to the other and completes the slotting process. During the process, the connecting assembly The component pulls one of the dynamic pressure plates and drives the other dynamic pressure plate to slide synchronously with the slotting component, that is, during the slotting process, the two fixed pressure plates press the foam composite structure on both sides of the slot moving direction, and the two dynamic pressure plates follow the slotting component to press around the foam composite machine structure, that is, in the process of the slotting component moving to open the slot, the slot opening periphery of the foam composite structure is always in a compressed state, which effectively avoids the foam composite structure from easily warping up and local deformation at the slot opening position, further avoids affecting the strength of the foam structure near the slot, and on the other hand avoids causing the slot direction to deviate or the depth to be uneven, thereby improving the slot opening quality and thereby improving the subsequent fit for the embedded reinforcement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front plan view structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the planar side view structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle.

[0021] Description of reference numerals:

[0022] 1. Bottom plate; 2. Lifting member; 3. Top plate; 4. First slide rail; 5. First slide seat; 6. Vertical pole; 7. Slotting knife; 8. Slide column; 9. Spring; 10. Connecting seat; 11. Fixed pressure plate; 12. Second slide rail; 13. Second slide seat; 14. Dynamic pressure plate; 15. First connecting column; 16. Square groove; 17. First slide block; 18. Second connecting column; 19. Leakage groove; 20. Guide groove; 21. Closing plate; 22. Screw; 23. Second slide block; 24. Side clamping plate; 25. Buffer pad; 26. Rotary frame. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention.

[0024] The utility model provides Figure 1-4 The device for opening a pre-embedded slot of a PET foam composite structure shown in the figure comprises a bottom plate 1, a top plate 3 longitudinally lifted and arranged above the bottom plate 1, and a slotting assembly that can slide from one side to the other side along the center line of the top plate 3, the four sides of the bottom plate 1 are provided with side clamping assemblies that can fix the foam composite structure to the top surface of the bottom plate 1, the top plate 3 is longitudinally slidably provided with sliding columns 8 at symmetrical positions on both sides of the slotting assembly, the part of the sliding column 8 located below the top plate 3 is provided with a connecting seat 10, the part of the sliding column 8 located between the connecting seat 10 and the top plate 3 is sleeved with a spring 9, a fixed pressure plate 11 whose bottom end can abut against the top end of the foam composite structure is installed between the two connecting seats 10 on the same side, a dynamic pressure plate 14 whose bottom end can abut against the top end of the foam composite structure is synchronously provided at symmetrical positions on both sides of the slotting assembly between the two fixed pressure plates 11, and a connecting assembly that can contact one of the dynamic pressure plates 14 and can slide longitudinally thereof is installed on the side wall of the slotting assembly;

[0025] When the constant pressure plate 11 contacts the foam composite structure, the slotted assembly is in a suspended state; when the top plate 3 moves further downward, the sliding column 8 slides upward and compresses the spring 9.

[0026] A first slide rail 4 is installed on the bottom surface of the top plate 3 along its midline direction. The slotting assembly includes a first slide 5 that can slide along the first slide rail 4, a vertical rod 6 installed in the middle of the bottom end of the first slide 5, and a slotting knife 7 installed at the bottom end of the vertical rod 6 and used for slotting. Both sides of the slotting knife 7 are sharpened to facilitate the slotting of the foam compounding machine structure.

[0027] A plurality of drain slots 19 are formed upwardly on the bottom sides of the fixed pressure plate 11 and the dynamic pressure plate 14 . Debris generated by the opening of the slots can be blown away by a fan and discharged through the drain slots 19 .

[0028] A square groove 16 is provided in one of the dynamic pressure plates 14, and the connecting assembly includes a first connecting column 15 installed on the side wall of the vertical rod 6 and a first slider 17 installed at the other end of the first connecting column 15 and capable of sliding longitudinally along the square groove 16. A second slide rail 12 is installed on the top of each fixed pressure plate 11, and a second slide seat 13 capable of sliding along the second slide rail 12 is installed on the top of the dynamic pressure plate 14. The two dynamic pressure plates 14 are connected by a plurality of second connecting columns 18, and the distance between the two dynamic pressure plates 14 and the slotting knife 7 is consistent. The first connecting column 15 can drive the slotting knife 7 and one of the dynamic pressure plates 14 to slide synchronously, and the two dynamic pressure plates 14 slide synchronously through the second connecting column 18.

[0029] The four corners of the top surface of the bottom plate 1 are each provided with longitudinally retractable lifting members 2 , and the other ends of the lifting members 2 are detachably connected to the corners of the top plate 3 .

[0030] The bottom plate 1 is provided with a guide groove 20 inwardly in the middle of the four sides of the bottom plate 1, and each end of the guide groove 20 is removably embedded with a sealing plate 21, and a screw 22 is passed through the inner thread of the sealing plate 21, and the other end of the screw 22 rotates and abuts against the bottom plate 1. The side clamping assembly includes a second slider 23 which is threadedly sleeved on the screw 22 and can slide along the guide groove 20, a side clamping plate 24 installed on the top of the second slider 23, and a buffer pad 25 installed on one side wall of the side clamping plate 24 and can abut against the side wall of the foam composite structure. The screw 22 is located at one end outside the bottom plate 1 and is equipped with a rotating bracket 26. Manual force is applied to the rotating bracket 26, thereby driving the screw 22 to rotate, and then under the limit of the guide groove 20, the second slider 23 slides along the guide groove 20, that is, drives the side clamping plate 24 to move horizontally until the buffer pad 25 abuts against the side of the foam composite structure, and then fixes the foam composite structure to the top surface of the bottom plate 1 through the four side clamping plates 24 and the four buffer pads 25.

[0031] In the present invention, the foam composite structure is fixed to the top surface of the bottom plate 1 by four side clamping assemblies, and then the embedded slot is opened. During the opening process, the top plate 3 moves downward so that the slotting assembly gradually approaches the foam composite structure. First, the bottom end of the fixed pressure plate 11 and the bottom end of the dynamic pressure plate 14 abut against the top of the foam composite structure. In the process of further downward movement, the slotting assembly in the suspended state moves further close to the foam composite structure. In this process, the sliding column 8 slides up along the top plate 3 and gradually compresses the spring 9, so that the fixed pressure plate 11 and the dynamic pressure plate 14 are always in contact with the foam composite structure and pressed. When the slotting assembly moves down to the slotting height, the connecting assembly moves down along one of the dynamic pressure plates 14 to avoid interference. Then the slotting assembly slides from one side to the other along the top plate 3 and completes the slotting process. During the process, The connecting component pulls one of the dynamic pressure plates 14 and drives the other dynamic pressure plate 14 to slide synchronously with the slotting component, that is, during the slotting process, the two fixed pressure plates 11 press the foam composite structure on both sides of the slot moving direction, and the two dynamic pressure plates 14 follow the slotting component to press around the foam composite machine structure, that is, in the process of the slotting component moving to open the slot, the slot opening periphery of the foam composite structure is always in a compressed state, which effectively avoids the foam composite structure from easily warping up and local excessive deformation at the slot opening position, further avoids affecting the strength of the foam structure near the slot, and on the other hand avoids causing the slot direction to deviate or the depth to be uneven, thereby improving the slot opening quality and thereby improving the subsequent fit for the buried reinforcement.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A device for creating a pre-buried slot for a PET foam composite structure, characterized by: The invention comprises a bottom plate (1), a top plate (3) which is longitudinally lifted and arranged above the bottom plate (1), and a slotted assembly which can slide from one side to the other side along the center line of the top plate (3); the four sides of the bottom plate (1) are provided with side clamp assemblies which can fix the foam composite structure to the top surface of the bottom plate (1); the top plate (3) is longitudinally slidably penetrated by sliding columns (8) at symmetrical positions on both sides of the slotted assembly; the portion of the sliding column (8) located below the top plate (3) is provided with a connecting seat (10); the sliding column (8) is located at the connecting seat A spring (9) is sleeved on the portion between the connecting seat (10) and the top plate (3); a fixed pressure plate (11) whose bottom end can abut against the top of the foam composite structure is installed between the two connecting seats (10) on the same side; a dynamic pressure plate (14) whose bottom end can abut against the top of the foam composite structure is synchronously slidably arranged between the two fixed pressure plates (11) at symmetrical positions on both sides of the slotted component; and a connecting component that can contact one of the dynamic pressure plates (14) and slide longitudinally thereof is installed on the side wall of the slotted component; When the constant pressure plate (11) contacts the foam composite structure, the slotted assembly is in a suspended state; when the top plate (3) moves further downward, the sliding column (8) slides upward and compresses the spring (9).

2. The device for creating a pre-buried slot for a PET foam composite structure according to claim 1, wherein: A first slide rail (4) is installed on the bottom surface of the top plate (3) along its centerline direction, and the slotting assembly comprises a first slide seat (5) that can slide along the first slide rail (4), a vertical rod (6) installed at the middle of the bottom end of the first slide seat (5), and a slotting knife (7) installed at the bottom end of the vertical rod (6) and used for slotting.

3. The device for creating a pre-buried slot for a PET foam composite structure according to claim 1, wherein: The bottom sides of the fixed pressure plate (11) and the dynamic pressure plate (14) are both provided with a plurality of leakage grooves (19) extending upward.

4. The device for creating a pre-buried slot for a PET foam composite structure according to claim 2, wherein: A square groove (16) is provided in one of the dynamic pressure plates (14), and the connecting assembly comprises a first connecting column (15) mounted on the side wall of the vertical rod (6) and a first sliding block (17) mounted on the other end of the first connecting column (15) and capable of sliding longitudinally along the square groove (16).

5. The device for creating a pre-buried slot for a PET foam composite structure according to claim 4, characterized in that: A second slide rail (12) is installed at the top of each fixed pressure plate (11), and a second slide seat (13) that can slide along the second slide rail (12) is installed at the top of the dynamic pressure plate (14). The two dynamic pressure plates (14) are connected by a plurality of second connecting columns (18), and the distance between the two dynamic pressure plates (14) and the slotting knife (7) is consistent.

6. The device for creating a pre-buried slot for a PET foam composite structure according to claim 1, wherein: The four corners of the top surface of the bottom plate (1) are each provided with longitudinally retractable lifting members (2), and the other end of the lifting member (2) is detachably connected to the corner of the top plate (3).

7. The device for creating a pre-buried slot for a PET foam composite structure according to claim 1, wherein: The bottom plate (1) is provided with a guide groove (20) inwardly in the middle of the four sides, and a sealing plate (21) is detachably embedded at the end of each guide groove (20). A screw rod (22) is threaded through the inner thread of the sealing plate (21), and the other end of the screw rod (22) is rotatably abutted against the bottom plate (1). The side clamping assembly includes a second slider (23) threadedly sleeved on the screw rod (22) and capable of sliding along the guide groove (20), a side clamping plate (24) installed on the top end of the second slider (23), and a buffer pad (25) installed on a side wall of the side clamping plate (24) and capable of abutting against the side wall of the foam composite structure. A rotating bracket (26) is installed at one end of the screw rod (22) located outside the bottom plate (1).

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