Automatic edge cutting device for sealing strip

Abstract

The utility model relates to an automatic edge cutting device for a sealing strip, which comprises a working table top, a positioning jig and a cutter assembly are connected onto the working table top, the positioning jig is arranged along the length direction of the working table top, the positioning jig is provided with a positioning groove matched with the shape of the sealing strip to be cut, and the cutter assembly is arranged on the working table top. The side face, facing the cutter assembly, of the positioning jig is a cutting matching face, angle positioning blocks are fixedly arranged at the two ends of the cutting matching face respectively, and the opposite sides of the two angle positioning blocks are constructed to be of a slope structure. And the cutter assembly comprises a cutter body and a driving part used for driving the cutter body to ascend and descend, the cutter body is provided with a cutting face matched with the cutting matching face, and the two ends of the cutting face are constructed to be of inclined face structures matched with the angle positioning blocks. According to the device, the edge of the sealing strip can be automatically cut, the cutting angle and size are ensured, the operation precision is higher than that of manual operation, potential safety hazards can be reduced, the labor cost is saved, and the production takt is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing strip cutting technical field, concretely is a kind of automatic trimming device of sealing strip. BACKGROUND

[0002] Sealing strip is one of the important accessories of refrigerator door, can effectively ensure the sealing property inside the refrigerator cabinet, prevent the cold air loss inside the refrigerator or the hot gas of outside enters.In actual production process, the sealing strip of completion rough machining is needed to trim, so that its edge and angle specification are adapted to the installation structure of refrigerator door.

[0003] At present, the trimming of sealing strip mainly adopts offline manual cutting, and this mode can exist cutting deviation, cannot guarantee key dimension or angle, simultaneously still can restrict operation efficiency, and easily bring safety hidden danger. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of automatic trimming device of sealing strip, can at least partially solve the technical problem mentioned in the above background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic trimming device of sealing strip, including workbench, the workbench is connected with positioning fixture and cutter assembly, positioning fixture is arranged along the length direction of the workbench, the positioning fixture is equipped with the positioning groove that is adapted to the shape of the sealing strip to be cut, the side of the positioning fixture towards the cutter assembly is the cutting mating surface, the cutting mating surface is fixed with angle positioning block at both ends respectively, and the opposite sides of the two angle positioning blocks are structured as inclined surface structure;Cutter assembly, including cutter body and the driving part for driving cutter body to lift, the cutter body is equipped with the cutting surface matched with cutting mating surface, and the both ends of the cutting surface are structured as the inclined surface structure matched with angle positioning block.

[0006] In a preferred embodiment, the bottom end of the cutting surface in the cutter body is structured as a right angle or an acute angle.

[0007] In a preferred embodiment, the cutter body is connected to the driving part through a cutter seat, and the driving part includes a linear driving member connected to the workbench, and the output end of the linear driving member is connected to the top end of the cutter seat.

[0008] In a preferred embodiment, the driving part further includes at least two groups of Z-direction guide rails fixedly connected to the workbench, and the cutter seat is slidingly connected to the Z-direction guide rails through a sliding block.

[0009] In a preferred embodiment, the positioning fixture is structured to be capable of adjusting the distance relative to the cutter assembly.

[0010] In a preferred embodiment, the top end of the workbench top is further connected with a control member for adjusting the position of the positioning jig, the control member comprises a fixed block connected to the side of the positioning jig and a plurality of sets of adjusting lead screws in threaded cooperation with the fixed block, both ends of the adjusting lead screws are respectively threaded through the fixed block, one end connected to the positioning jig and the other end installed with an adjusting knob.

[0011] In a preferred embodiment, the bottom end of the cutter body is connected with a limiting block, the limiting block is arranged along the length direction of the cutter body and has a preset interval from the cutting surface.

[0012] In a preferred embodiment, the device further comprises a support frame, the workbench top is connected to the top end of the support frame through an adjusting assembly, and the adjusting assembly is used to drive the workbench top to perform orientation adjustment in the X direction and / or the Y direction.

[0013] Compared with the prior art, the sealing strip automatic edge cutting device has the advantages that: the sealing strip automatic edge cutting device can realize automatic cutting of the edge of the sealing strip, the length of the cutter body and the preset bevel can ensure the cutting angle and size of the edge, and the working precision is more accurate than manual work; meanwhile, the edge cutting mode and the hidden cutter body can reduce safety hazards, prevent injuries, effectively save labor costs and improve production rhythm. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the overall structure of the sealing strip automatic edge cutting device provided by the embodiment of the utility model;

[0015] Figure 2 The figure is a schematic diagram of the structure of the workbench top and the cutter assembly in the embodiment of the utility model;

[0016] Figure 3 The figure is a rear view of the utility model; Figure 2 The figure is a rear view of the utility model;

[0017] Figure 4 The figure is a schematic diagram of the structure of the positioning jig in the embodiment of the utility model;

[0018] Figure 5 The figure is a schematic diagram of the structure of the cutter body in the embodiment of the utility model.

[0019] The meanings of the various reference numerals in the figure are as follows:

[0020] 1, support frame; 2, workbench; 3, positioning fixture; 31, cutting matching surface; 32, angle positioning block; 33, positioning groove; 34, long hole; 4, cutter assembly; 41, cutter body; 411, cutting surface; 42, limiting block; 43, driving part; 431, linear driving part; 432, Z-direction guide rail; 5, vertical mounting frame; 6, fixed block; 61, threaded hole; 7, support seat; 8, connecting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0023] Referring to Figures 1-2 The present embodiment discloses a kind of automatic edge cutting device of sealing strip, including being configured as rectangular frame structure support frame 1, the top end of the support frame 1 is connected with workbench 2, cutting knife assembly 4 and the positioning fixture 3 for sealing strip positioning are connected by workbench 2, cutting knife assembly 4 and positioning fixture 3 cooperate and carry out sealing strip edge cutting, so that it reaches preset size and angle.

[0024] Specifically, positioning fixture 3 and cutting knife assembly 4 are connected to the top end of workbench 2, and are arranged in sequence along the width direction of workbench 2, i.e. Y direction.

[0025] Positioning fixture 3 has a predetermined length, which is arranged along the length direction of workbench 2, i.e. X direction, as shown in Figure 4 Positioning fixture 3 is provided with a positioning groove 33 matched with the shape of the sealing strip to be cut, and the close fitting structure of the positioning groove 33 and the sealing strip enables the sealing strip to be limited, ensuring the relative stability of the sealing strip during cutting.

[0026] In this embodiment, the side of the positioning jig 3 facing the cutter assembly 4 is the cutting matching surface 31, and when the sealing strip is installed in the positioning groove 33, the edge of the sealing strip extends beyond the cutting matching surface 31.

[0027] Further, the cutting matching surface 31 of the positioning jig 3 is fixed with an angle positioning block 32 at each end, and the two angle positioning blocks 32 are configured as inclined surface structures on opposite sides, so that they are arranged at an angle with the cutting matching surface 31. The angle can be specifically set according to the required cutting edge angle of the sealing strip.

[0028] The cutter assembly 4 includes a cutter body 41 closely matched with the cutting matching surface 31 of the positioning jig 3, and a driving part 43 for controlling the lifting of the cutter body 41. Specifically, as shown in Figure 5 , the cutter body 41 is provided with a cutting surface 411 matched with the cutting matching surface 31 of the positioning jig 3, and the bottom end of the cutting surface 411 is configured as a right angle or an acute angle, thereby ensuring the cutting effect and making the cutting surface smooth without burrs. The two ends of the cutting surface 411 are configured as inclined surface structures matched with the angle positioning blocks 32. In actual application, the cutting action is implemented by controlling the lifting of the cutter body 41, and the edge of the sealing strip can be cut by matching the cutting surface 411 of the cutter body 41 with the cutting matching surface 31 of the positioning jig 3. Further, the end of the sealing strip can be cut at a preset angle by matching the inclined surface structure of the cutting surface 411 with the angle positioning block 32.

[0029] Referring again to Figure 5 , the bottom end of the cutter body 41 is also connected with a limiting block 42, which is arranged along the length direction of the cutter body 41, and the limiting block 42 is at a preset distance from the cutting surface 411. The limiting block 42 is used to limit the position of the extended edge of the sealing strip, so as to further ensure the stability of the sealing strip during the cutting process.

[0030] Further, the cutter body 41 is connected to the driving part 43 through a cutter seat. Specifically, the top end of the workbench 2 is fixedly connected with a vertical mounting frame 5 for installing the driving part 43. The driving part 43 includes a linear driving part 431 fixedly connected to the vertical mounting frame 5, and the output end of the linear driving part 431 is connected to the top end of the cutter seat for driving the cutter seat to lift. The linear driving part 431 can adopt a linear driving structure such as a pneumatic cylinder, a push rod, or a linear motor, which is not limited in this embodiment. In order to ensure the stability of the movement of the cutter seat, preferably, as shown in Figure 3 , the driving part 43 further includes at least two groups of Z-direction guide rails 432 fixedly connected to the workbench 2, and the cutter seat is slidingly connected to the Z-direction guide rails 432 through a sliding block.

[0031] In an embodiment, the distance between the positioning jig 3 and the cutter body 41 is adjustable, so that the present edge cutting device can be adapted to different specifications of sealing strip products. Specifically, the positioning jig 3 is connected to the workbench 2 by bolts, and the positioning jig 3 is provided with a long slot 34 in the Y direction at the corresponding connection position. In a preferred embodiment, the top end of the workbench 2 is also connected with a control member for controlling the position adjustment of the positioning jig 3, as shown in Figure 1 The control member includes a fixed block 6 fixedly connected to the side of the positioning jig 3 and a plurality of adjusting lead screws (not shown in the figure) threadedly matched with the fixed block 6. Specifically, the fixed block 6 is provided with a plurality of threaded holes 61 arranged in the Y direction, and the adjusting lead screws are matched with the threaded holes 61. In this embodiment, the fixed block 6 and the positioning jig 3 have substantially the same length, the plurality of adjusting lead screws are distributed along the length direction of the fixed block 6, and the two ends respectively pass through the threaded holes 61, one end is fixedly connected to the positioning jig 3, and the other end can be installed with an adjusting knob.

[0032] Referring to Figure 1 In another embodiment, the X direction and Y direction positions of the workbench 2 are adjustable, so that they can be accurately docked with the sealing strip injection molding machine and the material pulling machine at the front end and the rear end. Specifically, the workbench 2 is connected to the top end of the support frame 1 through an adjusting assembly, the adjusting assembly includes a support seat 7 slidingly connected to the top end of the support frame 1 in the X direction, and the workbench 2 is slidingly connected to the top end of the support seat 7 in the Y direction. In this embodiment, the sliding connection is controlled by a lead screw driving structure controlled by hand or motor, which is a prior art and will not be described here. In a preferred embodiment, the workbench 2 is connected to the top end of the support seat 7 through a connecting plate 8, and the workbench 2 connected to the connecting plate 8 can be two or more groups to adapt to multi-station operation requirements.

[0033] In actual application, the operator passes the sealing strip cooled and discharged from the injection molding machine through the positioning groove 33 of the positioning jig 3, and then pulls the sealing strip to the preset size by the material pulling machine, and then the cutter assembly 4 is lowered to cut the edge.

[0034] The sealing strip automatic edge cutting device provided in the embodiment can realize automatic cutting of the edge of the sealing strip, and the length of the cutter body 41 and the preset bevel can ensure the cutting angle and size, and the operation precision is more accurate than manual operation. The edge cutting method and the hidden cutter body 41 of the device can reduce safety hazards, prevent injuries, and effectively save labor costs and improve production rhythm.

[0035] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for automatically trimming a weather strip, characterized by comprising: Including a workbench (2), which is connected with: A positioning jig (3) is arranged along the length direction of the workbench (2), the positioning jig (3) is provided with a positioning groove (33) matched with the shape of the to-be-cut sealing strip, the side of the positioning jig (3) facing the cutter assembly (4) is a cutting matching surface (31), and the two ends of the cutting matching surface (31) are respectively fixedly provided with angle positioning blocks (32), and the two angle positioning blocks (32) are configured as inclined surface structures on opposite sides. The cutter assembly (4) comprises a cutter body (41) and a driving part (43) for driving the cutter body (41) to ascend and descend, the cutter body (41) is provided with a cutting surface (411) matched with the cutting matching surface (31), and the two ends of the cutting surface (411) are configured as inclined surface structures matched with the angle positioning blocks (32).

2. The apparatus of claim 1, wherein, In the cutter body (41), the bottom end of the cutting surface (411) is configured as a right angle or an acute angle.

3. The apparatus of claim 1, wherein, The cutter body (41) is connected to the driving part (43) through a cutter seat, the driving part (43) comprises a linear driving piece (431) connected to the workbench (2), and the output end of the linear driving piece (431) is connected to the top end of the cutter seat.

4. The apparatus of claim 3, wherein, The driving part (43) further comprises at least two groups of Z-direction guide rails (432) fixedly connected to the workbench (2), and the cutter seat is slidably connected to the Z-direction guide rails (432) through a sliding block.

5. The apparatus of claim 1, wherein, The positioning jig (3) is configured to be capable of adjusting the distance relative to the cutter assembly (4).

6. The apparatus of claim 5, wherein, The top end of the workbench (2) is further connected with a control member for adjusting the position of the positioning jig (3), the control member comprises a fixed block (6) connected to the side of the positioning jig (3) and a plurality of adjusting lead screws threadedly matched with the fixed block (6), the two ends of the adjusting lead screws are respectively connected to the positioning jig (3) and the other end is provided with an adjusting knob.

7. The apparatus of claim 1, wherein, The bottom end of the cutter body (41) is connected with a limiting block (42), the limiting block (42) is arranged along the length direction of the cutter body (41), and the limiting block (42) is away from the cutting surface (411) by a preset distance.

8. The apparatus of claim 1, wherein, The device further comprises a support frame (1), the workbench (2) is connected to the top end of the support frame (1) through an adjusting assembly, and the adjusting assembly is used to drive the workbench (2) to adjust the orientation in the X direction and / or the Y direction.

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