Rubber sealing strip fixed-length cutting tool

Abstract

The utility model discloses a kind of rubber sealing strip fixed-length cutting tool, including base, base top end slidingly connected carrier plate, multiple sealing strips to be cut are placed in width direction interval on carrier plate, fixed frame is equipped above base, cutting assembly is symmetrically equipped at both ends of fixed frame, cutting assembly includes cutting cylinder being vertically installed at the top of fixed frame, its output end penetrates fixed frame back and connects positioning plate, positioning plate bottom end one side is fixedly connected with fixed rod, fixed rod bottom end is fixedly connected with connecting seat, cutting knife is installed in one side of connecting seat, positioning plate bottom other side is movably penetrated T-shaped rod, T-shaped rod bottom end is fixed with L-shaped plate, L-shaped plate one end is connected with pressing plate, positioning ring is sleeved on the rod part of T-shaped rod, and outside is sleeved with reset spring between positioning ring and positioning plate, the tool can move carrier plate from below cutting knife and move out feeding, improve safety, can also cut multiple sealing strips simultaneously, guarantee cutting length uniform, improve efficiency and accuracy.

Description

Technical Field

[0001] This utility model relates to the field of rubber sealing strip processing technology, and in particular to a fixed-length cutting tool for rubber sealing strips. Background Technology

[0002] Rubber sealing strips are key sealing components in automobiles, doors and windows, and home appliances. Their production and processing require fixed-length cutting according to specific assembly needs to ensure compatibility and sealing effect during subsequent installation. Currently, the industry mainly relies on two methods for fixed-length cutting of rubber sealing strips: manual assisted cutting or simple tooling cutting. In manual assisted cutting, operators need to manually fix the sealing strip and align it with the cutting reference, which is not only inefficient but also prone to inconsistent cutting lengths due to hand tremors and reference alignment deviations, making it difficult to meet the precision requirements of mass production. Although simple tooling can achieve initial positioning of the sealing strip, it generally has structural design defects, such as the lack of a reliable sealing strip clamping mechanism. The sealing strip is prone to displacement during the cutting process, resulting in skewed cuts and length deviations. Moreover, most simple tooling can only support cutting a single sealing strip at a time, and cannot process multiple sets of workpieces simultaneously, making it difficult to improve processing efficiency. These problems not only reduce the processing quality and production efficiency of rubber sealing strips but also increase the labor intensity of operators, making it difficult to meet the high-precision and high-efficiency processing requirements of modern mass production.

[0003] Therefore, those skilled in the art have provided a fixed-length cutting tool for rubber sealing strips to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a fixed-length cutting fixture for rubber sealing strips.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A rubber sealing strip fixed-length cutting fixture includes a base, a carrier plate slidably connected to the top of the base, and a plurality of sealing strips to be cut are placed at intervals along the width direction of the carrier plate.

[0007] A fixing frame is provided above the base, and cutting components are symmetrically arranged at both ends of the fixing frame;

[0008] The cutting assembly includes a cutting cylinder vertically mounted on the top of the fixed frame. The output end of the cutting cylinder moves through the fixed frame and is fixedly connected to the positioning plate. A fixing rod is fixedly connected to one side of the bottom end of the positioning plate. The bottom end of the fixing rod is fixedly connected to the connecting seat. A cutter is installed on one side of the connecting seat.

[0009] A T-shaped rod is movably inserted through the bottom side of the positioning plate away from the fixing rod. The bottom end of the T-shaped rod is fixedly connected to the L-shaped plate. A pressure plate is fixedly connected to the end of the L-shaped plate near the cutter.

[0010] The T-shaped rod is fitted with a positioning ring, and a return spring is fitted on the outer side of the T-shaped rod between the positioning ring and the positioning plate. The large head of the T-shaped rod is located above the positioning plate.

[0011] Preferably, a blade plate is integrally fixed to the top of the cutter, and the blade plate is detachably connected to the connecting seat by screws. The side of the cutter near the pressure plate is in contact with the pressure plate.

[0012] Preferably, there are two fixed rods and two T-shaped rods. The top ends of the two fixed rods are respectively fixedly connected to the corresponding positions of the bottom end of the positioning plate, and the bottom ends are jointly fixedly connected to the top end of the connecting seat. The top ends of the two T-shaped rods respectively movably pass through the corresponding positions of the positioning plate, and the bottom ends are jointly fixedly connected to the top end of the L-shaped plate. The two fixed rods and the two T-shaped rods are symmetrically distributed along the length direction of the positioning plate.

[0013] Preferably, the top of the carrier plate is provided with a plurality of placement grooves spaced apart along its width direction. The groove shape of the placement groove is adapted to the shape of the sealing strip to be cut, and the sealing strip to be cut is placed in the corresponding placement groove one by one.

[0014] Preferably, the base has sliding grooves on both sides of the top, and the bottom of the carrier plate has sliding plates fixedly connected to the sliding grooves on both sides of the bottom, and the sliding plates slide in conjunction with the sliding grooves.

[0015] Preferably, a support seat is integrally connected to the end of the base away from the cutting component. The height of the support seat is higher than the height of the base. Multiple support rods are installed at intervals along the length of the top of the support seat. The top of the support rods is fixedly connected to the side of the fixing frame.

[0016] Preferably, the base is symmetrically equipped with guide ramps at both ends, and the top surface of the guide ramp near the base is lower than the top surface of the base.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] This rubber sealing strip length-cutting fixture uses a sliding fit between the base and the carrier plate to move the carrier plate out from under the cutter for loading, effectively improving operational safety. The placement groove on the carrier plate, which matches the shape of the sealing strip to be cut, accurately positions the workpiece, preventing it from shifting. Combined with the symmetrically arranged cutting components at both ends of the fixing frame, multiple sealing strips can be cut simultaneously, significantly improving processing efficiency. During cutting, the linkage between the T-shaped rod and the return spring ensures that the pressure plate first presses the sealing strip, and then the cutter cuts, preventing the sealing strip from shifting during cutting and ensuring consistent cutting length for each strip, thus improving length-cutting accuracy. Simultaneously, the cutter is detachably connected to the connecting seat via the top blade plate. When the cutter wears out or needs to be adapted to different cutting specifications, it can be quickly disassembled and replaced, reducing maintenance difficulty. Overall, it solves the problems of low efficiency and poor accuracy of traditional cutting methods, meeting the needs of batch processing of rubber sealing strips. Attached Figure Description

[0019] To illustrate the technical solutions in the embodiments of the present invention or the prior art more specifically and intuitively, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0020] Figure 1 This is a schematic diagram of the fixed-length cutting fixture for rubber sealing strips proposed in this utility model;

[0021] Figure 2 This is a schematic diagram of the cutting component structure proposed in this utility model;

[0022] Figure 3 This is a schematic diagram of the pressure plate installation structure proposed in this utility model;

[0023] Figure 4 This is a schematic diagram of the carrier plate structure proposed in this utility model.

[0024] In the diagram: 1. Base; 2. Carrier plate; 3. Sealing strip to be cut; 4. Fixing frame; 5. Cutting cylinder; 6. Positioning plate; 7. Fixing rod; 8. Connecting seat; 9. Cutting blade; 91. Blade plate; 10. T-shaped rod; 11. L-shaped plate; 12. Pressure plate; 13. Positioning ring; 14. Return spring; 15. Placement groove; 16. Slide groove; 17. Slide plate; 18. Bearing seat; 19. Support rod; 20. Guide ramp. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Reference Figure 1-4A rubber sealing strip fixed-length cutting fixture includes a base 1, a carrier plate 2 slidably connected to the top of the base 1, and multiple sealing strips 3 to be cut are placed on the carrier plate 2 at intervals along its own width direction.

[0027] A fixing frame 4 is provided above the base 1, and cutting components are symmetrically arranged at both ends of the fixing frame 4;

[0028] The cutting assembly includes a cutting cylinder 5 vertically mounted on the top of the fixed frame 4. The output end of the cutting cylinder 5 moves through the fixed frame 4 and is fixedly connected to the positioning plate 6. A fixing rod 7 is fixedly connected to one side of the bottom end of the positioning plate 6. The bottom end of the fixing rod 7 is fixedly connected to the connecting seat 8. A cutter 9 is installed on one side of the connecting seat 8.

[0029] A T-shaped rod 10 is movably inserted through the bottom of the positioning plate 6 on the side away from the fixing rod 7. The bottom end of the T-shaped rod 10 is fixedly connected to the L-shaped plate 11. A pressure plate 12 is fixedly connected to the end of the L-shaped plate 11 near the cutter 9.

[0030] The T-shaped rod 10 is fitted with a positioning ring 13, and a return spring 14 is fitted on the outer side of the T-shaped rod 10 between the positioning ring 13 and the positioning plate 6. The large head of the T-shaped rod 10 is located above the positioning plate 6.

[0031] Using the above technical solution, the sliding cooperation between the base 1 and the carrier plate 2 allows the carrier plate 2 to be moved out from under the cutter 9 when placing the sealing strip 3 to be cut, avoiding contact between the operator and the cutting components during loading and ensuring operational safety. The cutting components symmetrically arranged at both ends of the fixing frame 4 provide a structural basis for "simultaneous cutting of the excess parts at both ends of the sealing strip". During the cutting stage, the cutting cylinder 5 drives the positioning plate 6 to move the cutter 9 and the pressure plate 12 downwards synchronously. When the pressure plate 12 contacts and presses down the sealing strip 3 to be cut, it cannot move further downwards. At this time, the positioning plate 6 continues to move downwards and will squeeze the reset spring 14 through the positioning ring 13. At the same time, the T-shaped rod 10 moves upwards relative to the positioning plate 6, allowing the cutter 9 to continue to move downwards and accurately cut off the excess parts at both ends of the sealing strip. This linkage logic of "pressure plate first limiting, cutter then cutting" combined with the symmetrical cutting components at both ends can ensure that the cutting length of multiple sets of sealing strips 3 to be cut is completely consistent, effectively improving the fixed length accuracy. At the same time, the large head of the T-shaped rod 10 can prevent it from detaching from the positioning plate 6, ensuring the stability of the tooling operation.

[0032] The top of the cutter 9 is integrally fixed with a blade plate 91, and the blade plate 91 is detachably connected to the connecting seat 8 by screws. The side of the cutter 9 near the pressure plate 12 is in contact with the pressure plate 12.

[0033] Using the above technical solution, the top blade plate 91 of the cutter 9 and the connecting seat 8 are detachably connected by screws, which facilitates quick replacement of the cutter 9 when it is worn or when it is adapted to different cutting requirements, thus reducing maintenance costs. At the same time, the side of the pressure plate 12 is flush with the end face of the carrier plate 2, and the cutter 9 fits against the pressure plate 12, which can accurately cut the part of the sealing strip that extends beyond the carrier plate 2, ensuring that only the excess part is removed. This further ensures that the length of the sealing strip is consistent after cutting and avoids lateral deviation of the cutter 9, thus improving the flatness of the cut.

[0034] There are two fixed rods 7 and two T-shaped rods 10. The top ends of the two fixed rods 7 are fixedly connected to the corresponding positions of the bottom end of the positioning plate 6, and the bottom ends are fixedly connected to the top end of the connecting seat 8. The top ends of the two T-shaped rods 10 are movably connected through the corresponding positions of the positioning plate 6, and the bottom ends are fixedly connected to the top end of the L-shaped plate 11. The two fixed rods 7 and the two T-shaped rods 10 are symmetrically distributed along the length direction of the positioning plate 6.

[0035] By adopting the above technical solution, two fixing rods 7 and two T-shaped rods 10 are provided, which can improve the connection stability with the connecting seat and the L-shaped plate respectively, and achieve force balance.

[0036] The top of the carrier plate 2 is provided with multiple placement slots 15 spaced apart along its width direction. The shape of the placement slots 15 is adapted to the shape of the sealing strip 3 to be cut, and the sealing strip 3 to be cut is placed in the corresponding placement slot 15 one by one.

[0037] Using the above technical solutions, the placement groove 15 on the carrier plate 2 is adapted to the shape of the sealing strip 3 to be cut, which can accurately position the sealing strip and prevent it from moving or shifting; the design of multiple placement grooves 15 can be used with the cutting component to achieve batch cutting, improve efficiency, and at the same time reduce the vibration of the sealing strip during cutting and ensure a flat cut.

[0038] The base 1 has grooves 16 on both sides of the top, and the bottom of the carrier plate 2 has slide plates 17 fixedly connected to the corresponding positions of the grooves 16 on both sides, and the slide plates 17 slide in conjunction with the grooves 16.

[0039] Using the above technical solution, the sliding groove 16 of the base 1 and the sliding plate 17 of the carrier plate 2 slide together to provide precise guidance for the carrier plate 2, ensuring that the two ends of the sealing strip can be aligned with the cutter 9, avoiding misalignment of the cutting position and ensuring cutting accuracy.

[0040] The base 1 is integrally connected to a support seat 18 at the end away from the cutting component. The height of the support seat 18 is higher than that of the base 1. Multiple support rods 19 are installed at intervals along the length of the support seat 18 at its top. The top of the support rods 19 is fixedly connected to the side of the fixing frame 4.

[0041] Using the above technical solution, the bearing seat 18 is higher than the base 1. When the carrier plate 2 slides to abut against the bearing seat 18, it can accurately reach the cutting position without additional positioning. Multiple support rods 19 can not only stably support the fixing frame 4 to prevent deformation, but also set the fixing frame 4 at the appropriate height to ensure that the cutting component and the sealing strip are in the same position, thus ensuring cutting accuracy.

[0042] The base 1 has symmetrical guide ramps 20 installed at both ends, and the top surface of the guide ramp 20 near the base 1 is lower than the top surface of the base 1.

[0043] By adopting the above technical solution, the guide ramp 20 facilitates the discharge of cutting waste on the one hand; on the other hand, its height is lower than that of the base 1, which can avoid interfering with the cutting action of the cutter 9 and ensure a smooth cutting process.

[0044] Working principle:

[0045] Place the sealing strip 3 to be cut into the placement groove 15 of the carrier plate 2, and push the carrier plate 2 to slide along the slide groove 16 of the base 1 until the carrier plate 2 and the bearing seat 18 abut against each other and reach the cutting position; then the cutting cylinder 5 drives the positioning plate 6 to move down, which drives the pressure plate 12 and the cutter 9 to descend synchronously. The pressure plate 12 first contacts and presses the sealing strip. When the positioning plate 6 continues to move down, it squeezes the return spring 14 through the positioning ring 13. The T-shaped rod 10 moves up relative to the positioning plate 6, and the cutter 9 continues to descend to cut off the excess parts at both ends of the sealing strip; after the cutting is completed, the cutting cylinder 5 drives the positioning plate 6 to reset, the return spring 14 pushes the pressure plate 12 back to its position, and the cutting waste will be discharged along the guide ramp 20.

[0046] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A rubber sealing strip fixed-length cutting fixture, comprising a base (1), characterized in that, The base (1) is slidably connected to a carrier plate (2) at its top end, and multiple sealing strips (3) to be cut are placed on the carrier plate (2) at intervals along its width direction; A fixing frame (4) is provided above the base (1), and cutting components are symmetrically arranged at both ends of the fixing frame (4); The cutting assembly includes a cutting cylinder (5) vertically mounted on the top of the fixed frame (4). The output end of the cutting cylinder (5) moves through the fixed frame (4) and is fixedly connected to the positioning plate (6). A fixing rod (7) is fixedly connected to one side of the bottom end of the positioning plate (6). The bottom end of the fixing rod (7) is fixedly connected to the connecting seat (8). A cutter (9) is installed on one side of the connecting seat (8). A T-shaped rod (10) is movably passed through the bottom of the positioning plate (6) on the side away from the fixing rod (7). The bottom end of the T-shaped rod (10) is fixedly connected to the L-shaped plate (11). A pressure plate (12) is fixedly connected to the end of the L-shaped plate (11) near the cutter (9). The T-shaped rod (10) is fitted with a positioning ring (13), and a return spring (14) is fitted on the outside of the T-shaped rod (10) between the positioning ring (13) and the positioning plate (6). The large head of the T-shaped rod (10) is located above the positioning plate (6).

2. The rubber sealing strip fixed-length cutting fixture according to claim 1, characterized in that, The top of the cutter (9) is integrally fixed with a blade plate (91), and the blade plate (91) is detachably connected to the connecting seat (8) by screws. The side of the cutter (9) near the pressure plate (12) is in contact with the pressure plate (12).

3. The rubber sealing strip fixed-length cutting fixture according to claim 1, characterized in that, Two fixed rods (7) and two T-shaped rods (10) are provided. The top ends of the two fixed rods (7) are fixedly connected to the corresponding positions of the bottom end of the positioning plate (6), and the bottom ends are fixedly connected to the top end of the connecting seat (8). The top ends of the two T-shaped rods (10) respectively movably pass through the corresponding positions of the positioning plate (6), and the bottom ends are fixedly connected to the top end of the L-shaped plate (11). The two fixed rods (7) and the two T-shaped rods (10) are symmetrically distributed along the length direction of the positioning plate (6).

4. The rubber sealing strip fixed-length cutting fixture according to claim 1, characterized in that, The top of the carrier plate (2) is provided with multiple placement slots (15) spaced apart along its width direction. The slot shape of the placement slot (15) is adapted to the shape of the sealing strip (3) to be cut. The sealing strip (3) to be cut is placed in the corresponding placement slot (15) one by one.

5. The rubber sealing strip fixed-length cutting fixture according to claim 1, characterized in that, The base (1) has sliding grooves (16) on both sides of its top end, and the base plate (2) has sliding plates (17) fixedly connected to both sides of its bottom end corresponding to the sliding grooves (16), and the sliding plates (17) slide in cooperation with the sliding grooves (16).

6. The rubber sealing strip fixed-length cutting fixture according to claim 1, characterized in that, The base (1) is integrally connected to a support seat (18) at the end away from the cutting component. The height of the support seat (18) is higher than that of the base (1). Multiple support rods (19) are installed at intervals along the length of the top of the support seat (18). The top of the support rods (19) is fixedly connected to the side of the fixing frame (4).

7. The rubber sealing strip fixed-length cutting fixture according to claim 1, characterized in that, The base (1) is symmetrically equipped with guide ramps (20) at both ends, and the top surface of the guide ramp (20) near the base (1) is lower than the top surface of the base (1).

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