Sealing rubber strip forming device

Abstract

The utility model relates to the field of sealing rubber strip processing, in particular to a sealing rubber strip forming device which comprises a rack, a screening structure for screening cut sealing rubber strips, a cutting assembly, a positioning assembly, a conveying assembly and a limiting structure for limiting the sealing rubber strips during cutting. And the output shaft is fixedly arranged in the lower roller shaft. According to the sealing rubber strip cutting machine, the purpose of screening waste materials is achieved by starting the driving motor, the output shaft drives the cam to rotate, the connecting shaft drives the connecting rod to move, the screen is made to shake, the material collecting efficiency is improved, during cutting, the fixed motor and the rotating shaft are started to drive the cutter to rotate, the purpose of adjusting the direction of the cutter is achieved, sealing rubber strips with different sections can be cut out, and meanwhile the cutting efficiency is improved. The telescopic spring extrudes the limiting rod, the limiting rod makes contact with the sealing rubber strip, the purpose of limiting the sealing rubber strip during cutting is achieved, and the situation that the edge of the sealing rubber strip warps is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of seal strip processing, and particularly relates to a seal strip forming device. Background Art

[0002] A seal strip is an elastic strip or rod-shaped material used at the joints between glass and bead, glass and frame sash, frame and sash, sash and sash, etc., which can prevent the leakage or intrusion of internal and external media. During the processing of the seal strip, it needs to be cut to form it.

[0003] The utility model with the publication number of CN213320295U provides a seal strip forming device, which facilitates the collection of the formed seal strip by setting this device, saves a lot of time and improves work efficiency; it includes a processing box, a power switch, a gantry, a first cylinder, a first push rod, a cutting knife, a guide plate and a handle. A processing chamber is arranged inside the processing box, a limiting device is arranged at the top of the processing box, the power switch is installed at the front end of the processing box, and the power switch is electrically connected to the limiting device. The cutting knife is installed at the bottom end of the first push rod. A cutting groove is communicated and arranged at the top of the processing box, and the position of the cutting groove corresponds to the position of the cutting knife. A dropping groove is communicated and arranged at the right side of the top of the processing box. The guide plate is inclined and installed at the top of the processing chamber inside the dropping groove. A drawer is communicated and arranged at the front end of the processing box, and the drawer is slidably connected to the processing box and corresponds to the position of the guide plate. The handle is installed at the front end of the drawer.

[0004] During cutting, waste materials will be generated, and the waste materials and the formed seal strips fall into the material receiving groove, making it difficult to screen them out, which affects the material receiving efficiency.

[0005] Therefore, it is necessary to provide a new technical solution to overcome the above defects. Content of the Utility Model

[0006] The purpose of the utility model is to provide a seal strip forming device that can effectively solve the above technical problems.

[0007] To achieve the purpose of the utility model, the following technical solution is adopted: A seal strip forming device includes: a frame, a screening structure for screening the cut seal strip, a cutting assembly, a positioning assembly, a conveying assembly, and a limiting structure for limiting the seal strip during cutting. The conveying assembly includes: a lower roller shaft that can rotate at the rear end of the frame, an output shaft fixedly installed inside the lower roller shaft, and a driving motor for driving the output shaft to rotate. An upper roller shaft that can rotate is installed above the lower roller shaft. The screening structure includes: a cam fixedly installed at one end of the output shaft, a connecting shaft fixedly installed at the eccentric point position of the cam, a connecting rod hinged at one end of the connecting shaft, a connecting plate hinged at one end of the connecting rod, and the connecting plate is fixedly installed on the screen mesh at the front end of the frame.

[0008] Further, limiting plates are hinged on both sides of the screen mesh. The limiting plates are inserted into the hanging ears on both sides of the front end of the machine frame and are hinged to the machine frame through a rotating rod to form a hinged structure.

[0009] Further, the cutting assembly includes: a driving cylinder located at the top of the machine frame, a lifting frame connected to the output end of the driving cylinder, a fixed motor fixedly installed on the lifting frame, a rotating shaft coaxially installed at the output end of the fixed motor, and a cutting knife fixedly installed at the bottom end of the rotating shaft.

[0010] Further, the limiting structure includes: fixed rods fixedly installed at both ends of the rotating shaft, a telescopic spring located inside the fixed rods, and a limiting rod connected to the bottom end of the telescopic spring.

[0011] Compared with the prior art, the utility model has the following beneficial effects: By starting the driving motor, the output shaft drives the cam to rotate, the coupling drives the connecting rod to move, and the screen mesh shakes, so as to realize the purpose of screening waste materials and improve the material collection efficiency. During cutting, by starting the fixed motor, the rotating shaft drives the cutting knife to rotate, so as to realize the purpose of adjusting the orientation of the cutting knife, so as to cut sealing rubber strips with different cross-sections. At the same time, the telescopic spring presses the limiting rod, and the limiting rod contacts the sealing rubber strip, so as to realize the purpose of limiting the sealing rubber strip during cutting and avoid the situation of the sealing rubber strip warping. Description of the Drawings

[0012] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. They are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation to the utility model.

[0013] Figure 1 It is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0015] Figure 3 It is a front view structural schematic diagram of the screening structure of the utility model;

[0016] Figure 4 It is a front view sectional structural schematic diagram of the limiting structure of the utility model.

[0017] In the figure: 1, frame; 2, screening structure; 201, cam; 202, coupling shaft; 203, connecting rod; 204, connecting plate; 205, screen mesh; 3, material receiving trough; 4, waste trough; 5, cutting assembly; 501, driving cylinder; 502, lifting frame; 503, fixed motor; 504, rotating shaft; 505, cutting knife; 6, positioning assembly; 601, adjusting screw rod; 602, bushing; 603, positioning plate; 7, conveying assembly; 701, adjusting screw; 702, upper roller shaft; 703, lower roller shaft; 704, driving motor; 705, output shaft; 8, limiting structure; 801, telescopic spring; 802, limiting rod; 803, fixed rod. Detailed implementation manners

[0018] In order to make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Apparently, the described embodiments are some but not all of the embodiments of the present utility model.

[0019] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "transverse", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the protection scope of the present utility model. When a mechanism is referred to as "fixed to" another mechanism, it can be directly on the other mechanism or there can also be an intermediate mechanism. When a mechanism is considered to be "connected" to another mechanism, it can be directly connected to the other mechanism or there may be an intermediate mechanism at the same time. When a mechanism is considered to be "disposed on" another mechanism, it can be directly disposed on the other mechanism or there may be an intermediate mechanism at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0020] As Figures 1 to 4 shown, a sealing strip forming device of the present utility model includes: a frame 1, a screening structure 2 for screening the cut sealing strip, a cutting assembly 5, a positioning assembly 6, a conveying assembly 7, and a limiting structure 8 for limiting the sealing strip during cutting.

[0021] The conveying assembly 7 includes: a lower roller shaft 703 rotatably located at the rear end of the frame 1, an output shaft 705 fixedly installed inside the lower roller shaft 703, and a driving motor 704 for driving the output shaft 705 to rotate. An upper roller shaft 702 is installed above the lower roller shaft 703. Adjusting screws 701 are installed on the frame 1 at both ends of the upper roller shaft 702. By rotating the adjusting screws 701, the height of the upper roller shaft 702 can be adjusted. Through the rotation of the lower roller shaft 703 and the upper roller shaft 702, the sealing strip can be conveyed forward.

[0022] The positioning assembly 6 includes: adjusting screws 601 rotatably installed symmetrically on the frame 1 at the rear end of the conveying assembly 7. A bushing 602 is installed at one end of the adjusting screw 601, and a positioning plate 603 is fixedly installed at one end of the bushing 602. By rotating the adjusting screws 601, the distance between the positioning plates 603 can be adjusted. Through the positioning of the sealing strip by the positioning plates 603, its deviation can be prevented.

[0023] The screening structure 2 includes: a cam 201 fixedly installed at one end of the output shaft 705, a coupling 202 fixedly installed at the eccentric position of the cam 201, a connecting rod 203 hinged at one end of the coupling 202, a connecting plate 204 hinged at one end of the connecting rod 203. The connecting plate 204 is fixedly installed on a screen 205 at the front end of the frame 1. Limiting plates are hinged on both sides of the screen 205. The limiting plates are inserted into the hanging ears on both sides of the front end of the frame 1 and are hinged to it through a rotating rod. Through the shaking of the screen 205, the waste materials and the formed sealing strips can be screened.

[0024] A waste material trough 4 is placed at the bottom end of the screen 205, and a material receiving trough 3 is placed at the front end of the bottom of the screen 205. The waste material trough 4 is used to collect waste materials, and the material receiving trough 3 is used to collect the formed sealing strips.

[0025] The cutting assembly 5 includes: a driving cylinder 501 located at the top end of the frame 1. The output end of the driving cylinder 501 is connected to a lifting frame 502, a fixed motor 503 fixedly installed on the lifting frame 502, a rotating shaft 504 coaxially installed at the output end of the fixed motor 503, and a cutting knife 505 fixedly installed at the bottom end of the rotating shaft 504. Through the cutting assembly 5, the sealing strip can be cut to make it formed.

[0026] The limiting structure 8 includes: fixed rods 803 fixedly installed at both ends of the rotating shaft 504, a telescopic spring 801 located inside the fixed rods 803, and a limiting rod 802 connected to the bottom end of the telescopic spring 801. By the telescopic spring 801 squeezing the limiting rod 802, the limiting rod 802 can limit the sealing strip to prevent it from warping.

[0027] In this utility model, when the driving motor 704 is started, the output shaft 705 drives the cam 201 to rotate, the coupling shaft 202 drives the connecting rod 203 to move, causing the screen 205 to shake, screening the waste materials, and improving the material collection efficiency. During cutting, the fixed motor 503 is started, the rotating shaft 504 drives the cutter 505 to rotate, and the orientation of the cutter 505 is adjusted so as to cut sealing rubber strips with different cross-sections. At the same time, the telescopic spring 801 presses the limiting rod 802, and the limiting rod 802 contacts the sealing rubber strip to limit the sealing rubber strip and prevent the sealing rubber strip from warping.

[0028] Working principle: Rotate the adjusting screw rod 601 and the adjusting screw 701 to move the positioning plate 603 and the upper roller shaft 702 to appropriate positions. Start the driving motor 704, and the output shaft 705 drives the lower roller shaft 703 to rotate, which can convey the sealing rubber strip forward. The positioning plate 603 can position the sealing rubber strip to prevent it from running off. Start the driving cylinder 501, and the lifting frame 502 drives the cutter 505 to descend to cut the sealing rubber strip to make it take shape. The formed sealing rubber strip falls through the screen 205 into the material collection tank 3 for collection for subsequent processing.

[0029] During cutting, on the one hand, the output shaft 705 drives the cam 201 to rotate, the coupling shaft 202 drives the connecting rod 203 to move, causing the screen 205 to shake, achieving the purpose of screening waste materials. The waste materials fall into the waste material tank 4 for subsequent treatment.

[0030] On the other hand, start the fixed motor 503, the rotating shaft 504 drives the cutter 505 to rotate, achieving the purpose of adjusting the orientation of the cutter 505 so as to cut sealing rubber strips with different cross-sections. At the same time, the telescopic spring 801 presses the limiting rod 802, and the limiting rod 802 contacts the sealing rubber strip, achieving the purpose of limiting the sealing rubber strip during cutting. Using the limiting rod 802 to press the sealing rubber strip can reduce the occurrence of warping of the sealing rubber strip.

[0031] The standard parts used in this utility model can all be purchased from the market. The special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

[0032] It should be understood that those of ordinary skill in the art can make improvements or transformations according to the above description, and all such improvements and transformations should fall within the protection scope of the appended claims of this utility model.

Claims

1. A sealing strip forming device, characterized in that: include: A frame (1), a screening structure (2) for screening the cut sealing strips, a cutting assembly (5), a positioning assembly (6), a conveying assembly (7), and a limiting structure (8) for limiting the position of the sealing strips during cutting; The conveying assembly (7) comprises: a rotatable lower roller shaft (703) located at the rear end of the frame (1), an output shaft (705) fixedly installed inside the lower roller shaft (703), and a driving motor (704) driving the output shaft (705) to rotate; a rotatable upper roller shaft (702) is installed above the lower roller shaft (703); The screening structure (2) comprises: a cam (201) fixedly mounted on one end of an output shaft (705), a connecting shaft (202) fixedly mounted at an eccentric point of the cam (201), a connecting rod (203) hingedly connected to one end of the connecting rod (203), a connecting plate (204) hingedly connected to one end of the connecting rod (203), and the connecting plate (204) fixedly mounted on a screen (205) located at the front end of the frame (1).

2. A sealing strip forming device as claimed in claim 1, characterized in that: Limiting plates are hinged on both sides of the screen (205), and the limiting plates are inserted into the hanging ears on both sides of the front end of the frame (1) to form a hinged structure with the frame via a rotating rod.

3. A sealing strip forming device as claimed in claim 1, characterized in that: The cutting assembly (5) comprises: a driving cylinder (501) located at the top of the frame (1); the output end of the driving cylinder (501) is connected to a lifting frame (502); a fixed motor (503) fixedly mounted on the lifting frame (502); a rotating shaft (504) coaxially mounted on the output end of the fixed motor (503); and a cutting knife (505) fixedly mounted on the bottom end of the rotating shaft (504).

4. A sealing strip forming device as claimed in claim 1, characterized in that: The limiting structure (8) comprises: a fixing rod (803) fixedly mounted on both ends of the rotating shaft (504), a telescopic spring (801) located inside the fixing rod (803), and the bottom end of the telescopic spring (801) is connected to the limiting rod (802).

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